2243 changed files with 17422 additions and 129502 deletions
--- a/.bazelrc
+++ b/.bazelrc
@ -87,9 +87,6 @@ build:ios_fat --config=ios
 build:ios_fat --ios_multi_cpus=armv7,arm64
 build:ios_fat --watchos_cpus=armv7k

-build:ios_sim_fat --config=ios
-build:ios_sim_fat --ios_multi_cpus=x86_64,sim_arm64
-
 build:darwin_x86_64 --apple_platform_type=macos
 build:darwin_x86_64 --macos_minimum_os=10.12
 build:darwin_x86_64 --cpu=darwin_x86_64
@ -98,9 +95,6 @@ build:darwin_arm64 --apple_platform_type=macos
 build:darwin_arm64 --macos_minimum_os=10.16
 build:darwin_arm64 --cpu=darwin_arm64

-# Turn off maximum stdout size
-build --experimental_ui_max_stdouterr_bytes=-1
-
 # This bazelrc file is meant to be written by a setup script.
 try-import %workspace%/.configure.bazelrc

--- a/.github/ISSUE_TEMPLATE/50-other-issues.md
+++ b/.github/ISSUE_TEMPLATE/50-other-issues.md
--- a/.github/ISSUE_TEMPLATE/17-documentation-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/17-documentation-issue-template.yaml
--- a/.github/ISSUE_TEMPLATE/18-solution-legacy-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/18-solution-legacy-issue-template.yaml
@ -48,16 +48,18 @@ body:
      placeholder: e.g. C++, Python, Java
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: current_model
    attributes:
      label: Describe the actual behavior
+      render: shell
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: expected_model
    attributes:
      label: Describe the expected behaviour
+      render: shell
    validations:
      required: false
  - type: textarea
--- a/.github/ISSUE_TEMPLATE/16-bug-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/16-bug-issue-template.yaml
@ -80,16 +80,18 @@ body:
      label: Xcode & Tulsi version (if issue is related to building for iOS)
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: current_model
    attributes:
      label: Describe the actual behavior
+      render: shell
    validations:
      required: true
-  - type: input
+  - type: textarea
    id: expected_model
    attributes:
      label: Describe the expected behaviour
+      render: shell
    validations:
      required: true
  - type: textarea
--- a/.github/ISSUE_TEMPLATE/15-build-install-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/15-build-install-issue-template.yaml
@ -87,13 +87,14 @@ body:
      placeholder:
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: what-happened
    attributes:
      label: Describe the problem
      description: Provide the exact sequence of commands / steps that you executed before running into the [problem](https://google.github.io/mediapipe/getting_started/getting_started.html)
      placeholder: Tell us what you see!
      value: "A bug happened!"
+      render: shell
    validations:
      required: true
  - type: textarea
--- a/.github/ISSUE_TEMPLATE/14-feature-request-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/14-feature-request-issue-template.yaml
@ -28,33 +28,37 @@ body:
        - 'No'
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: behaviour
    attributes:
      label: Describe the feature and the current behaviour/state
+      render: shell
    validations:
      required: true
-  - type: input
+  - type: textarea
    id: api_change
    attributes:
      label: Will this change the current API? How?
+      render: shell
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: benifit
    attributes:
      label: Who will benefit with this feature?
    validations:
       required: false
-  - type: input
+  - type: textarea
    id: use_case
    attributes:
      label: Please specify the use cases for this feature
+      render: shell
    validations:
       required: true
-  - type: input
+  - type: textarea
    id: info_other
    attributes:
      label: Any Other info
+      render: shell
    validations:
      required: false
--- a/.github/ISSUE_TEMPLATE/11-model-maker-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/11-model-maker-issue-template.yaml
@ -41,16 +41,18 @@ body:
      label: Task name (e.g. Image classification, Gesture recognition etc.)
    validations:
      required: true
-  - type: input
+  - type: textarea
    id: current_model
    attributes:
      label: Describe the actual behavior
+      render: shell
    validations:
      required: true
-  - type: input
+  - type: textarea
    id: expected_model
    attributes:
      label: Describe the expected behaviour
+      render: shell
    validations:
      required: true
  - type: textarea
--- a/.github/ISSUE_TEMPLATE/12-studio-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/12-studio-issue-template.yaml
@ -31,16 +31,18 @@ body:
      label: URL that shows the problem
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: current_model
    attributes:
      label: Describe the actual behavior
+      render: shell
    validations:
      required: false
-  - type: input
+  - type: textarea
    id: expected_model
    attributes:
      label: Describe the expected behaviour
+      render: shell
    validations:
      required: false
  - type: textarea
--- a/.github/ISSUE_TEMPLATE/00-task-issue-template.yaml
+++ b/.github/ISSUE_TEMPLATE/00-task-issue-template.yaml
@ -40,16 +40,18 @@ body:
      label: Programming Language and version (e.g. C++, Python, Java)
    validations:
      required: true
-  - type: input
+  - type: textarea
    id: current_model
    attributes:
      label: Describe the actual behavior
+      render: shell
    validations:
      required: true
-  - type: input
+  - type: textarea
    id: expected_model
    attributes:
      label: Describe the expected behaviour
+      render: shell
    validations:
      required: true
  - type: textarea
--- a/.github/stale.yml
+++ b/.github/stale.yml
@ -0,0 +1,34 @@
+# Copyright 2021 The MediaPipe Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+#
+# This file was assembled from multiple pieces, whose use is documented
+# throughout. Please refer to the TensorFlow dockerfiles documentation
+# for more information.
+
+# Number of days of inactivity before an Issue or Pull Request becomes stale
+daysUntilStale: 7
+# Number of days of inactivity before a stale Issue or Pull Request is closed
+daysUntilClose: 7
+# Only issues or pull requests with all of these labels are checked if stale. Defaults to `[]` (disabled)
+onlyLabels:
+ - stat:awaiting response
+# Comment to post when marking as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you.
+# Comment to post when removing the stale label. Set to `false` to disable
+unmarkComment: false
+closeComment: >
+  Closing as stale. Please reopen if you'd like to work on this further.
--- a/.github/workflows/stale.yaml
+++ b/.github/workflows/stale.yaml
@ -1,68 +0,0 @@
-# Copyright 2023 The TensorFlow Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# ==============================================================================
-
-# This workflow alerts and then closes the stale issues/PRs after specific time
-# You can adjust the behavior by modifying this file.
-# For more information, see:
-# https://github.com/actions/stale
-
-name: 'Close stale issues and PRs'
-"on":
-  schedule:
-  - cron: "30 1 * * *"
-permissions:
-  contents: read
-  issues: write
-  pull-requests: write
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: 'actions/stale@v7'
-      with:
-        # Comma separated list of labels that can be assigned to issues to exclude them from being marked as stale.
-        exempt-issue-labels: 'override-stale'
-        # Comma separated list of labels that can be assigned to PRs to exclude them from being marked as stale.
-        exempt-pr-labels: "override-stale"
-        # Limit the No. of API calls in one run default value is 30.
-        operations-per-run: 500
-        # Prevent to remove stale label when PRs or issues are updated.
-        remove-stale-when-updated: true
-        # List of labels to remove when issues/PRs unstale.
-        labels-to-remove-when-unstale: 'stat:awaiting response'
-        # comment on issue if not active for more then 7 days.
-        stale-issue-message: 'This issue has been marked stale because it has no recent activity since 7 days. It will be closed if no further activity occurs. Thank you.'
-        # comment on PR if not active for more then 14 days.
-        stale-pr-message: 'This PR has been marked stale because it has no recent activity since 14 days. It will be closed if no further activity occurs. Thank you.'
-        # comment on issue if stale for more then 7 days.
-        close-issue-message: This issue was closed due to lack of activity after being marked stale for past 7 days.
-        # comment on PR if stale for more then 14 days.
-        close-pr-message: This PR was closed due to lack of activity after being marked stale for past 14 days.
-        # Number of days of inactivity before an Issue Request becomes stale
-        days-before-issue-stale: 7
-        # Number of days of inactivity before a stale Issue is closed
-        days-before-issue-close: 7
-        # reason for closed the issue default value is not_planned
-        close-issue-reason: completed
-        # Number of days of inactivity before a stale PR is closed
-        days-before-pr-close: 14
-        # Number of days of inactivity before an PR Request becomes stale
-        days-before-pr-stale: 14
-        # Check for label to stale or close the issue/PR
-        any-of-labels: 'stat:awaiting response'
-        # override stale to stalled for PR
-        stale-pr-label: 'stale'
-        # override stale to stalled for Issue
-        stale-issue-label: "stale"
--- a/README.md
+++ b/README.md
@ -1,121 +1,99 @@
 ---
-layout: forward
-target: https://developers.google.com/mediapipe
+layout: default
 title: Home
 nav_order: 1
 ---

+![MediaPipe](https://mediapipe.dev/images/mediapipe_small.png)
+
 ----

-**Attention:** *We have moved to
+**Attention:** *Thanks for your interest in MediaPipe! We have moved to
 [https://developers.google.com/mediapipe](https://developers.google.com/mediapipe)
 as the primary developer documentation site for MediaPipe as of April 3, 2023.*

-![MediaPipe](https://developers.google.com/static/mediapipe/images/home/hero_01_1920.png)
+*This notice and web page will be removed on June 1, 2023.*

-**Attention**: MediaPipe Solutions Preview is an early release. [Learn
-more](https://developers.google.com/mediapipe/solutions/about#notice).
+----

-**On-device machine learning for everyone**
+<br><br><br><br><br><br><br><br><br><br>
+<br><br><br><br><br><br><br><br><br><br>
+<br><br><br><br><br><br><br><br><br><br>

-Delight your customers with innovative machine learning features. MediaPipe
-contains everything that you need to customize and deploy to mobile (Android,
-iOS), web, desktop, edge devices, and IoT, effortlessly.
+--------------------------------------------------------------------------------

-*   [See demos](https://goo.gle/mediapipe-studio)
-*   [Learn more](https://developers.google.com/mediapipe/solutions)
+## Live ML anywhere

-## Get started
+[MediaPipe](https://google.github.io/mediapipe/) offers cross-platform, customizable
+ML solutions for live and streaming media.

-You can get started with MediaPipe Solutions by by checking out any of the
-developer guides for
-[vision](https://developers.google.com/mediapipe/solutions/vision/object_detector),
-[text](https://developers.google.com/mediapipe/solutions/text/text_classifier),
-and
-[audio](https://developers.google.com/mediapipe/solutions/audio/audio_classifier)
-tasks. If you need help setting up a development environment for use with
-MediaPipe Tasks, check out the setup guides for
-[Android](https://developers.google.com/mediapipe/solutions/setup_android), [web
-apps](https://developers.google.com/mediapipe/solutions/setup_web), and
-[Python](https://developers.google.com/mediapipe/solutions/setup_python).
+![accelerated.png](https://mediapipe.dev/images/accelerated_small.png)                                                               | ![cross_platform.png](https://mediapipe.dev/images/cross_platform_small.png)
+:------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------:
+***End-to-End acceleration***: *Built-in fast ML inference and processing accelerated even on common hardware* | ***Build once, deploy anywhere***: *Unified solution works across Android, iOS, desktop/cloud, web and IoT*
+![ready_to_use.png](https://mediapipe.dev/images/ready_to_use_small.png)                                                             | ![open_source.png](https://mediapipe.dev/images/open_source_small.png)
+***Ready-to-use solutions***: *Cutting-edge ML solutions demonstrating full power of the framework*            | ***Free and open source***: *Framework and solutions both under Apache 2.0, fully extensible and customizable*

-## Solutions
+----

-MediaPipe Solutions provides a suite of libraries and tools for you to quickly
-apply artificial intelligence (AI) and machine learning (ML) techniques in your
-applications. You can plug these solutions into your applications immediately,
-customize them to your needs, and use them across multiple development
-platforms. MediaPipe Solutions is part of the MediaPipe [open source
-project](https://github.com/google/mediapipe), so you can further customize the
-solutions code to meet your application needs.
+## ML solutions in MediaPipe

-These libraries and resources provide the core functionality for each MediaPipe
-Solution:
+Face Detection                                                                                                                 | Face Mesh                                                                                                       | Iris                                                                                                      | Hands                                                                                                      | Pose                                                                                                      | Holistic
+:----------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------: | :------:
+[![face_detection](https://mediapipe.dev/images/mobile/face_detection_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/face_detection) | [![face_mesh](https://mediapipe.dev/images/mobile/face_mesh_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/face_mesh) | [![iris](https://mediapipe.dev/images/mobile/iris_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/iris) | [![hand](https://mediapipe.dev/images/mobile/hand_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/hands) | [![pose](https://mediapipe.dev/images/mobile/pose_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/pose) | [![hair_segmentation](https://mediapipe.dev/images/mobile/holistic_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/holistic)

-*   **MediaPipe Tasks**: Cross-platform APIs and libraries for deploying
-    solutions. [Learn
-    more](https://developers.google.com/mediapipe/solutions/tasks).
-*   **MediaPipe models**: Pre-trained, ready-to-run models for use with each
-    solution.
+Hair Segmentation                                                                                                                       | Object Detection                                                                                                                     | Box Tracking                                                                                                                | Instant Motion Tracking                                                                                                                               | Objectron                                                                                                             | KNIFT
+:-------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :---------------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------: | :---:
+[![hair_segmentation](https://mediapipe.dev/images/mobile/hair_segmentation_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/hair_segmentation) | [![object_detection](https://mediapipe.dev/images/mobile/object_detection_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/object_detection) | [![box_tracking](https://mediapipe.dev/images/mobile/object_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/box_tracking) | [![instant_motion_tracking](https://mediapipe.dev/images/mobile/instant_motion_tracking_android_small.gif)](https://google.github.io/mediapipe/solutions/instant_motion_tracking) | [![objectron](https://mediapipe.dev/images/mobile/objectron_chair_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/objectron) | [![knift](https://mediapipe.dev/images/mobile/template_matching_android_cpu_small.gif)](https://google.github.io/mediapipe/solutions/knift)

-These tools let you customize and evaluate solutions:
+<!-- []() in the first cell is needed to preserve table formatting in GitHub Pages. -->
+<!-- Whenever this table is updated, paste a copy to solutions/solutions.md. -->

-*   **MediaPipe Model Maker**: Customize models for solutions with your data.
-    [Learn more](https://developers.google.com/mediapipe/solutions/model_maker).
-*   **MediaPipe Studio**: Visualize, evaluate, and benchmark solutions in your
-    browser. [Learn
-    more](https://developers.google.com/mediapipe/solutions/studio).
+[]()                                                                                      | [Android](https://google.github.io/mediapipe/getting_started/android) | [iOS](https://google.github.io/mediapipe/getting_started/ios) | [C++](https://google.github.io/mediapipe/getting_started/cpp) | [Python](https://google.github.io/mediapipe/getting_started/python) | [JS](https://google.github.io/mediapipe/getting_started/javascript) | [Coral](https://github.com/google/mediapipe/tree/master/mediapipe/examples/coral/README.md)
+:---------------------------------------------------------------------------------------- | :-------------------------------------------------------------: | :-----------------------------------------------------: | :-----------------------------------------------------: | :-----------------------------------------------------------: | :-----------------------------------------------------------: | :--------------------------------------------------------------------:
+[Face Detection](https://google.github.io/mediapipe/solutions/face_detection)                   | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             | ✅
+[Face Mesh](https://google.github.io/mediapipe/solutions/face_mesh)                             | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Iris](https://google.github.io/mediapipe/solutions/iris)                                       | ✅                                                               | ✅                                                       | ✅                                                       |                                                               |                                                               |
+[Hands](https://google.github.io/mediapipe/solutions/hands)                                     | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Pose](https://google.github.io/mediapipe/solutions/pose)                                       | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Holistic](https://google.github.io/mediapipe/solutions/holistic)                               | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Selfie Segmentation](https://google.github.io/mediapipe/solutions/selfie_segmentation)         | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Hair Segmentation](https://google.github.io/mediapipe/solutions/hair_segmentation)             | ✅                                                               |                                                         | ✅                                                       |                                                               |                                                               |
+[Object Detection](https://google.github.io/mediapipe/solutions/object_detection)               | ✅                                                               | ✅                                                       | ✅                                                       |                                                               |                                                               | ✅
+[Box Tracking](https://google.github.io/mediapipe/solutions/box_tracking)                       | ✅                                                               | ✅                                                       | ✅                                                       |                                                               |                                                               |
+[Instant Motion Tracking](https://google.github.io/mediapipe/solutions/instant_motion_tracking) | ✅                                                               |                                                         |                                                         |                                                               |                                                               |
+[Objectron](https://google.github.io/mediapipe/solutions/objectron)                             | ✅                                                               |                                                         | ✅                                                       | ✅                                                             | ✅                                                             |
+[KNIFT](https://google.github.io/mediapipe/solutions/knift)                                     | ✅                                                               |                                                         |                                                         |                                                               |                                                               |
+[AutoFlip](https://google.github.io/mediapipe/solutions/autoflip)                               |                                                                 |                                                         | ✅                                                       |                                                               |                                                               |
+[MediaSequence](https://google.github.io/mediapipe/solutions/media_sequence)                    |                                                                 |                                                         | ✅                                                       |                                                               |                                                               |
+[YouTube 8M](https://google.github.io/mediapipe/solutions/youtube_8m)                           |                                                                 |                                                         | ✅                                                       |                                                               |                                                               |

-### Legacy solutions
+See also
+[MediaPipe Models and Model Cards](https://google.github.io/mediapipe/solutions/models)
+for ML models released in MediaPipe.

-We have ended support for [these MediaPipe Legacy Solutions](https://developers.google.com/mediapipe/solutions/guide#legacy)
-as of March 1, 2023. All other MediaPipe Legacy Solutions will be upgraded to
-a new MediaPipe Solution. See the [Solutions guide](https://developers.google.com/mediapipe/solutions/guide#legacy)
-for details. The [code repository](https://github.com/google/mediapipe/tree/master/mediapipe)
-and prebuilt binaries for all MediaPipe Legacy Solutions will continue to be
-provided on an as-is basis.
+## Getting started

-For more on the legacy solutions, see the [documentation](https://github.com/google/mediapipe/tree/master/docs/solutions).
+To start using MediaPipe
+[solutions](https://google.github.io/mediapipe/solutions/solutions) with only a few
+lines code, see example code and demos in
+[MediaPipe in Python](https://google.github.io/mediapipe/getting_started/python) and
+[MediaPipe in JavaScript](https://google.github.io/mediapipe/getting_started/javascript).

-## Framework
+To use MediaPipe in C++, Android and iOS, which allow further customization of
+the [solutions](https://google.github.io/mediapipe/solutions/solutions) as well as
+building your own, learn how to
+[install](https://google.github.io/mediapipe/getting_started/install) MediaPipe and
+start building example applications in
+[C++](https://google.github.io/mediapipe/getting_started/cpp),
+[Android](https://google.github.io/mediapipe/getting_started/android) and
+[iOS](https://google.github.io/mediapipe/getting_started/ios).

-To start using MediaPipe Framework, [install MediaPipe
-Framework](https://developers.google.com/mediapipe/framework/getting_started/install)
-and start building example applications in C++, Android, and iOS.
+The source code is hosted in the
+[MediaPipe Github repository](https://github.com/google/mediapipe), and you can
+run code search using
+[Google Open Source Code Search](https://cs.opensource.google/mediapipe/mediapipe).

-[MediaPipe Framework](https://developers.google.com/mediapipe/framework) is the
-low-level component used to build efficient on-device machine learning
-pipelines, similar to the premade MediaPipe Solutions.
-
-Before using MediaPipe Framework, familiarize yourself with the following key
-[Framework
-concepts](https://developers.google.com/mediapipe/framework/framework_concepts/overview.md):
-
-*   [Packets](https://developers.google.com/mediapipe/framework/framework_concepts/packets.md)
-*   [Graphs](https://developers.google.com/mediapipe/framework/framework_concepts/graphs.md)
-*   [Calculators](https://developers.google.com/mediapipe/framework/framework_concepts/calculators.md)
-
-## Community
-
-*   [Slack community](https://mediapipe.page.link/joinslack) for MediaPipe
-    users.
-*   [Discuss](https://groups.google.com/forum/#!forum/mediapipe) - General
-    community discussion around MediaPipe.
-*   [Awesome MediaPipe](https://mediapipe.page.link/awesome-mediapipe) - A
-    curated list of awesome MediaPipe related frameworks, libraries and
-    software.
-
-## Contributing
-
-We welcome contributions. Please follow these
-[guidelines](https://github.com/google/mediapipe/blob/master/CONTRIBUTING.md).
-
-We use GitHub issues for tracking requests and bugs. Please post questions to
-the MediaPipe Stack Overflow with a `mediapipe` tag.
-
-## Resources
-
-### Publications
+## Publications

 *   [Bringing artworks to life with AR](https://developers.googleblog.com/2021/07/bringing-artworks-to-life-with-ar.html)
    in Google Developers Blog
@ -124,8 +102,7 @@ the MediaPipe Stack Overflow with a `mediapipe` tag.
 *   [SignAll SDK: Sign language interface using MediaPipe is now available for
    developers](https://developers.googleblog.com/2021/04/signall-sdk-sign-language-interface-using-mediapipe-now-available.html)
    in Google Developers Blog
-*   [MediaPipe Holistic - Simultaneous Face, Hand and Pose Prediction, on
-    Device](https://ai.googleblog.com/2020/12/mediapipe-holistic-simultaneous-face.html)
+*   [MediaPipe Holistic - Simultaneous Face, Hand and Pose Prediction, on Device](https://ai.googleblog.com/2020/12/mediapipe-holistic-simultaneous-face.html)
    in Google AI Blog
 *   [Background Features in Google Meet, Powered by Web ML](https://ai.googleblog.com/2020/10/background-features-in-google-meet.html)
    in Google AI Blog
@ -153,6 +130,43 @@ the MediaPipe Stack Overflow with a `mediapipe` tag.
    in Google AI Blog
 *   [MediaPipe: A Framework for Building Perception Pipelines](https://arxiv.org/abs/1906.08172)

-### Videos
+## Videos

 *   [YouTube Channel](https://www.youtube.com/c/MediaPipe)
+
+## Events
+
+*   [MediaPipe Seattle Meetup, Google Building Waterside, 13 Feb 2020](https://mediapipe.page.link/seattle2020)
+*   [AI Nextcon 2020, 12-16 Feb 2020, Seattle](http://aisea20.xnextcon.com/)
+*   [MediaPipe Madrid Meetup, 16 Dec 2019](https://www.meetup.com/Madrid-AI-Developers-Group/events/266329088/)
+*   [MediaPipe London Meetup, Google 123 Building, 12 Dec 2019](https://www.meetup.com/London-AI-Tech-Talk/events/266329038)
+*   [ML Conference, Berlin, 11 Dec 2019](https://mlconference.ai/machine-learning-advanced-development/mediapipe-building-real-time-cross-platform-mobile-web-edge-desktop-video-audio-ml-pipelines/)
+*   [MediaPipe Berlin Meetup, Google Berlin, 11 Dec 2019](https://www.meetup.com/Berlin-AI-Tech-Talk/events/266328794/)
+*   [The 3rd Workshop on YouTube-8M Large Scale Video Understanding Workshop,
+    Seoul, Korea ICCV
+    2019](https://research.google.com/youtube8m/workshop2019/index.html)
+*   [AI DevWorld 2019, 10 Oct 2019, San Jose, CA](https://aidevworld.com)
+*   [Google Industry Workshop at ICIP 2019, 24 Sept 2019, Taipei, Taiwan](http://2019.ieeeicip.org/?action=page4&id=14#Google)
+    ([presentation](https://docs.google.com/presentation/d/e/2PACX-1vRIBBbO_LO9v2YmvbHHEt1cwyqH6EjDxiILjuT0foXy1E7g6uyh4CesB2DkkEwlRDO9_lWfuKMZx98T/pub?start=false&loop=false&delayms=3000&slide=id.g556cc1a659_0_5))
+*   [Open sourced at CVPR 2019, 17~20 June, Long Beach, CA](https://sites.google.com/corp/view/perception-cv4arvr/mediapipe)
+
+## Community
+
+*   [Awesome MediaPipe](https://mediapipe.page.link/awesome-mediapipe) - A
+    curated list of awesome MediaPipe related frameworks, libraries and software
+*   [Slack community](https://mediapipe.page.link/joinslack) for MediaPipe users
+*   [Discuss](https://groups.google.com/forum/#!forum/mediapipe) - General
+    community discussion around MediaPipe
+
+## Alpha disclaimer
+
+MediaPipe is currently in alpha at v0.7. We may be still making breaking API
+changes and expect to get to stable APIs by v1.0.
+
+## Contributing
+
+We welcome contributions. Please follow these
+[guidelines](https://github.com/google/mediapipe/blob/master/CONTRIBUTING.md).
+
+We use GitHub issues for tracking requests and bugs. Please post questions to
+the MediaPipe Stack Overflow with a `mediapipe` tag.
--- a/104
+++ b/104
@ -46,12 +46,11 @@ http_archive(

 http_archive(
   name = "rules_foreign_cc",
-    sha256 = "2a4d07cd64b0719b39a7c12218a3e507672b82a97b98c6a89d38565894cf7c51",
-    strip_prefix = "rules_foreign_cc-0.9.0",
-    url = "https://github.com/bazelbuild/rules_foreign_cc/archive/refs/tags/0.9.0.tar.gz",
+   strip_prefix = "rules_foreign_cc-0.1.0",
+   url = "https://github.com/bazelbuild/rules_foreign_cc/archive/0.1.0.zip",
 )

-load("@rules_foreign_cc//foreign_cc:repositories.bzl", "rules_foreign_cc_dependencies")
+load("@rules_foreign_cc//:workspace_definitions.bzl", "rules_foreign_cc_dependencies")

 rules_foreign_cc_dependencies()

@ -73,9 +72,12 @@ http_archive(
 http_archive(
    name = "zlib",
    build_file = "@//third_party:zlib.BUILD",
-    sha256 = "b3a24de97a8fdbc835b9833169501030b8977031bcb54b3b3ac13740f846ab30",
-    strip_prefix = "zlib-1.2.13",
-    url = "http://zlib.net/fossils/zlib-1.2.13.tar.gz",
+    sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
+    strip_prefix = "zlib-1.2.11",
+    urls = [
+        "http://mirror.bazel.build/zlib.net/fossils/zlib-1.2.11.tar.gz",
+        "http://zlib.net/fossils/zlib-1.2.11.tar.gz",  # 2017-01-15
+    ],
    patches = [
        "@//third_party:zlib.diff",
    ],
@ -154,41 +156,22 @@ http_archive(
 # 2020-08-21
 http_archive(
    name = "com_github_glog_glog",
-    strip_prefix = "glog-0.6.0",
-    sha256 = "8a83bf982f37bb70825df71a9709fa90ea9f4447fb3c099e1d720a439d88bad6",
+    strip_prefix = "glog-0a2e5931bd5ff22fd3bf8999eb8ce776f159cda6",
+    sha256 = "58c9b3b6aaa4dd8b836c0fd8f65d0f941441fb95e27212c5eeb9979cfd3592ab",
    urls = [
-        "https://github.com/google/glog/archive/v0.6.0.tar.gz",
+        "https://github.com/google/glog/archive/0a2e5931bd5ff22fd3bf8999eb8ce776f159cda6.zip",
    ],
 )
 http_archive(
    name = "com_github_glog_glog_no_gflags",
-    strip_prefix = "glog-0.6.0",
-    sha256 = "8a83bf982f37bb70825df71a9709fa90ea9f4447fb3c099e1d720a439d88bad6",
+    strip_prefix = "glog-0a2e5931bd5ff22fd3bf8999eb8ce776f159cda6",
+    sha256 = "58c9b3b6aaa4dd8b836c0fd8f65d0f941441fb95e27212c5eeb9979cfd3592ab",
    build_file = "@//third_party:glog_no_gflags.BUILD",
    urls = [
-        "https://github.com/google/glog/archive/v0.6.0.tar.gz",
+        "https://github.com/google/glog/archive/0a2e5931bd5ff22fd3bf8999eb8ce776f159cda6.zip",
    ],
    patches = [
-        "@//third_party:com_github_glog_glog.diff",
-    ],
-    patch_args = [
-        "-p1",
-    ],
-)
-
-# 2023-06-05
-# This version of Glog is required for Windows support, but currently causes
-# crashes on some Android devices.
-http_archive(
-    name = "com_github_glog_glog_windows",
-    strip_prefix = "glog-3a0d4d22c5ae0b9a2216988411cfa6bf860cc372",
-    sha256 = "170d08f80210b82d95563f4723a15095eff1aad1863000e8eeb569c96a98fefb",
-    urls = [
-      "https://github.com/google/glog/archive/3a0d4d22c5ae0b9a2216988411cfa6bf860cc372.zip",
-    ],
-    patches = [
-        "@//third_party:com_github_glog_glog.diff",
-        "@//third_party:com_github_glog_glog_windows_patch.diff",
+        "@//third_party:com_github_glog_glog_9779e5ea6ef59562b030248947f787d1256132ae.diff",
    ],
    patch_args = [
        "-p1",
@ -244,24 +227,16 @@ http_archive(
 # sentencepiece
 http_archive(
    name = "com_google_sentencepiece",
-    strip_prefix = "sentencepiece-0.1.96",
-    sha256 = "8409b0126ebd62b256c685d5757150cf7fcb2b92a2f2b98efb3f38fc36719754",
+    strip_prefix = "sentencepiece-1.0.0",
+    sha256 = "c05901f30a1d0ed64cbcf40eba08e48894e1b0e985777217b7c9036cac631346",
    urls = [
-        "https://github.com/google/sentencepiece/archive/refs/tags/v0.1.96.zip"
+        "https://github.com/google/sentencepiece/archive/1.0.0.zip",
+    ],
+    patches = [
+        "@//third_party:com_google_sentencepiece_no_gflag_no_gtest.diff",
    ],
-    build_file = "@//third_party:sentencepiece.BUILD",
-    patches = ["@//third_party:com_google_sentencepiece.diff"],
    patch_args = ["-p1"],
-)
-
-http_archive(
-    name = "darts_clone",
-    build_file = "@//third_party:darts_clone.BUILD",
-    sha256 = "c97f55d05c98da6fcaf7f9ecc6a6dc6bc5b18b8564465f77abff8879d446491c",
-    strip_prefix = "darts-clone-e40ce4627526985a7767444b6ed6893ab6ff8983",
-    urls = [
-        "https://github.com/s-yata/darts-clone/archive/e40ce4627526985a7767444b6ed6893ab6ff8983.zip",
-    ],
+    repo_mapping = {"@com_google_glog" : "@com_github_glog_glog_no_gflags"},
 )

 http_archive(
@ -281,10 +256,10 @@ http_archive(

 http_archive(
    name = "com_googlesource_code_re2",
-    sha256 = "ef516fb84824a597c4d5d0d6d330daedb18363b5a99eda87d027e6bdd9cba299",
-    strip_prefix = "re2-03da4fc0857c285e3a26782f6bc8931c4c950df4",
+    sha256 = "e06b718c129f4019d6e7aa8b7631bee38d3d450dd980246bfaf493eb7db67868",
+    strip_prefix = "re2-fe4a310131c37f9a7e7f7816fa6ce2a8b27d65a8",
    urls = [
-        "https://github.com/google/re2/archive/03da4fc0857c285e3a26782f6bc8931c4c950df4.tar.gz",
+        "https://github.com/google/re2/archive/fe4a310131c37f9a7e7f7816fa6ce2a8b27d65a8.tar.gz",
    ],
 )

@ -390,22 +365,6 @@ http_archive(
    url = "https://github.com/opencv/opencv/releases/download/3.2.0/opencv-3.2.0-ios-framework.zip",
 )

-# Building an opencv.xcframework from the OpenCV 4.5.3 sources is necessary for
-# MediaPipe iOS Task Libraries to be supported on arm64(M1) Macs. An
-# `opencv.xcframework` archive has not been released and it is recommended to
-# build the same from source using a script provided in OpenCV 4.5.0 upwards.
-# OpenCV is fixed to version to 4.5.3 since swift support can only be disabled
-# from 4.5.3 upwards. This is needed to avoid errors when the library is linked
-# in Xcode. Swift support will be added in when the final binary MediaPipe iOS
-# Task libraries are built.
-http_archive(
-    name = "ios_opencv_source",
-    sha256 = "a61e7a4618d353140c857f25843f39b2abe5f451b018aab1604ef0bc34cd23d5",
-    build_file = "@//third_party:opencv_ios_source.BUILD",
-    type = "zip",
-    url = "https://github.com/opencv/opencv/archive/refs/tags/4.5.3.zip",
-)
-
 http_archive(
    name = "stblib",
    strip_prefix = "stb-b42009b3b9d4ca35bc703f5310eedc74f584be58",
@ -499,10 +458,9 @@ http_archive(
 )

 # TensorFlow repo should always go after the other external dependencies.
-# TF on 2023-07-26.
-_TENSORFLOW_GIT_COMMIT = "e92261fd4cec0b726692081c4d2966b75abf31dd"
-# curl -L https://github.com/tensorflow/tensorflow/archive/<TENSORFLOW_GIT_COMMIT>.tar.gz | shasum -a 256
-_TENSORFLOW_SHA256 = "478a229bd4ec70a5b568ac23b5ea013d9fca46a47d6c43e30365a0412b9febf4"
+# TF on 2023-03-08.
+_TENSORFLOW_GIT_COMMIT = "24f7ee636d62e1f8d8330357f8bbd65956dfb84d"
+_TENSORFLOW_SHA256 = "7f8a96dd99215c0cdc77230d3dbce43e60102b64a89203ad04aa09b0a187a4bd"
 http_archive(
    name = "org_tensorflow",
    urls = [
@ -510,12 +468,8 @@ http_archive(
    ],
    patches = [
        "@//third_party:org_tensorflow_compatibility_fixes.diff",
-        "@//third_party:org_tensorflow_system_python.diff",
        # Diff is generated with a script, don't update it manually.
        "@//third_party:org_tensorflow_custom_ops.diff",
-        # Works around Bazel issue with objc_library.
-        # See https://github.com/bazelbuild/bazel/issues/19912
-        "@//third_party:org_tensorflow_objc_build_fixes.diff",
    ],
    patch_args = [
        "-p1",
--- a/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.pbxproj
+++ b/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.pbxproj
@ -1,342 +0,0 @@
-// !$*UTF8*$!
-{
-  archiveVersion = 1;
-  classes = {
-  };
-  objectVersion = 56;
-  objects = {
-
-/* Begin PBXBuildFile section */
-    8566B55D2ABABF9A00AAB22A /* MediaPipeTasksDocGen.h in Headers */ = {isa = PBXBuildFile; fileRef = 8566B55C2ABABF9A00AAB22A /* MediaPipeTasksDocGen.h */; settings = {ATTRIBUTES = (Public, ); }; };
-/* End PBXBuildFile section */
-
-/* Begin PBXFileReference section */
-    8566B5592ABABF9A00AAB22A /* MediaPipeTasksDocGen.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = MediaPipeTasksDocGen.framework; sourceTree = BUILT_PRODUCTS_DIR; };
-    8566B55C2ABABF9A00AAB22A /* MediaPipeTasksDocGen.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MediaPipeTasksDocGen.h; sourceTree = "<group>"; };
-/* End PBXFileReference section */
-
-/* Begin PBXFrameworksBuildPhase section */
-    8566B5562ABABF9A00AAB22A /* Frameworks */ = {
-      isa = PBXFrameworksBuildPhase;
-      buildActionMask = 2147483647;
-      files = (
-      );
-      runOnlyForDeploymentPostprocessing = 0;
-    };
-/* End PBXFrameworksBuildPhase section */
-
-/* Begin PBXGroup section */
-    8566B54F2ABABF9A00AAB22A = {
-      isa = PBXGroup;
-      children = (
-        8566B55B2ABABF9A00AAB22A /* MediaPipeTasksDocGen */,
-        8566B55A2ABABF9A00AAB22A /* Products */,
-      );
-      sourceTree = "<group>";
-    };
-    8566B55A2ABABF9A00AAB22A /* Products */ = {
-      isa = PBXGroup;
-      children = (
-        8566B5592ABABF9A00AAB22A /* MediaPipeTasksDocGen.framework */,
-      );
-      name = Products;
-      sourceTree = "<group>";
-    };
-    8566B55B2ABABF9A00AAB22A /* MediaPipeTasksDocGen */ = {
-      isa = PBXGroup;
-      children = (
-        8566B55C2ABABF9A00AAB22A /* MediaPipeTasksDocGen.h */,
-      );
-      path = MediaPipeTasksDocGen;
-      sourceTree = "<group>";
-    };
-/* End PBXGroup section */
-
-/* Begin PBXHeadersBuildPhase section */
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-      files = (
-        8566B55D2ABABF9A00AAB22A /* MediaPipeTasksDocGen.h in Headers */,
-      );
-      runOnlyForDeploymentPostprocessing = 0;
-    };
-/* End PBXHeadersBuildPhase section */
-
-/* Begin PBXNativeTarget section */
-    8566B5582ABABF9A00AAB22A /* MediaPipeTasksDocGen */ = {
-      isa = PBXNativeTarget;
-      buildConfigurationList = 8566B5602ABABF9A00AAB22A /* Build configuration list for PBXNativeTarget "MediaPipeTasksDocGen" */;
-      buildPhases = (
-        8566B5542ABABF9A00AAB22A /* Headers */,
-        8566B5552ABABF9A00AAB22A /* Sources */,
-        8566B5562ABABF9A00AAB22A /* Frameworks */,
-        8566B5572ABABF9A00AAB22A /* Resources */,
-      );
-      buildRules = (
-      );
-      dependencies = (
-      );
-      name = MediaPipeTasksDocGen;
-      productName = MediaPipeTasksDocGen;
-      productReference = 8566B5592ABABF9A00AAB22A /* MediaPipeTasksDocGen.framework */;
-      productType = "com.apple.product-type.framework";
-    };
-/* End PBXNativeTarget section */
-
-/* Begin PBXProject section */
-    8566B5502ABABF9A00AAB22A /* Project object */ = {
-      isa = PBXProject;
-      attributes = {
-        BuildIndependentTargetsInParallel = 1;
-        LastUpgradeCheck = 1430;
-        TargetAttributes = {
-          8566B5582ABABF9A00AAB22A = {
-            CreatedOnToolsVersion = 14.3.1;
-          };
-        };
-      };
-      buildConfigurationList = 8566B5532ABABF9A00AAB22A /* Build configuration list for PBXProject "MediaPipeTasksDocGen" */;
-      compatibilityVersion = "Xcode 14.0";
-      developmentRegion = en;
-      hasScannedForEncodings = 0;
-      knownRegions = (
-        en,
-        Base,
-      );
-      mainGroup = 8566B54F2ABABF9A00AAB22A;
-      productRefGroup = 8566B55A2ABABF9A00AAB22A /* Products */;
-      projectDirPath = "";
-      projectRoot = "";
-      targets = (
-        8566B5582ABABF9A00AAB22A /* MediaPipeTasksDocGen */,
-      );
-    };
-/* End PBXProject section */
-
-/* Begin PBXResourcesBuildPhase section */
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-      runOnlyForDeploymentPostprocessing = 0;
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-/* End PBXResourcesBuildPhase section */
-
-/* Begin PBXSourcesBuildPhase section */
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-/* End PBXSourcesBuildPhase section */
-
-/* Begin XCBuildConfiguration section */
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-      isa = XCBuildConfiguration;
-      buildSettings = {
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-        CLANG_ANALYZER_NONNULL = YES;
-        CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-        CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
-        CLANG_ENABLE_MODULES = YES;
-        CLANG_ENABLE_OBJC_ARC = YES;
-        CLANG_ENABLE_OBJC_WEAK = YES;
-        CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
-        CLANG_WARN_BOOL_CONVERSION = YES;
-        CLANG_WARN_COMMA = YES;
-        CLANG_WARN_CONSTANT_CONVERSION = YES;
-        CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
-        CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
-        CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
-        CLANG_WARN_EMPTY_BODY = YES;
-        CLANG_WARN_ENUM_CONVERSION = YES;
-        CLANG_WARN_INFINITE_RECURSION = YES;
-        CLANG_WARN_INT_CONVERSION = YES;
-        CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
-        CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
-        CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
-        CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
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-        CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
-        CLANG_WARN_STRICT_PROTOTYPES = YES;
-        CLANG_WARN_SUSPICIOUS_MOVE = YES;
-        CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
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-        GCC_PREPROCESSOR_DEFINITIONS = (
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-          "$(inherited)",
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-        GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
-        GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
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-        GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
-        GCC_WARN_UNUSED_FUNCTION = YES;
-        GCC_WARN_UNUSED_VARIABLE = YES;
-        IPHONEOS_DEPLOYMENT_TARGET = 16.4;
-        MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
-        MTL_FAST_MATH = YES;
-        ONLY_ACTIVE_ARCH = YES;
-        SDKROOT = iphoneos;
-        SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
-        SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-        VERSIONING_SYSTEM = "apple-generic";
-        VERSION_INFO_PREFIX = "";
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-      name = Debug;
-    };
-    8566B55F2ABABF9A00AAB22A /* Release */ = {
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-        CLANG_ENABLE_MODULES = YES;
-        CLANG_ENABLE_OBJC_ARC = YES;
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-        CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
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-        COPY_PHASE_STRIP = NO;
-        CURRENT_PROJECT_VERSION = 1;
-        DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-        ENABLE_NS_ASSERTIONS = NO;
-        ENABLE_STRICT_OBJC_MSGSEND = YES;
-        GCC_C_LANGUAGE_STANDARD = gnu11;
-        GCC_NO_COMMON_BLOCKS = YES;
-        GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
-        GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
-        GCC_WARN_UNDECLARED_SELECTOR = YES;
-        GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
-        GCC_WARN_UNUSED_FUNCTION = YES;
-        GCC_WARN_UNUSED_VARIABLE = YES;
-        IPHONEOS_DEPLOYMENT_TARGET = 16.4;
-        MTL_ENABLE_DEBUG_INFO = NO;
-        MTL_FAST_MATH = YES;
-        SDKROOT = iphoneos;
-        SWIFT_COMPILATION_MODE = wholemodule;
-        SWIFT_OPTIMIZATION_LEVEL = "-O";
-        VALIDATE_PRODUCT = YES;
-        VERSIONING_SYSTEM = "apple-generic";
-        VERSION_INFO_PREFIX = "";
-      };
-      name = Release;
-    };
-    8566B5612ABABF9A00AAB22A /* Debug */ = {
-      isa = XCBuildConfiguration;
-      buildSettings = {
-        CODE_SIGN_STYLE = Automatic;
-        CURRENT_PROJECT_VERSION = 1;
-        DEFINES_MODULE = YES;
-        DYLIB_COMPATIBILITY_VERSION = 1;
-        DYLIB_CURRENT_VERSION = 1;
-        DYLIB_INSTALL_NAME_BASE = "@rpath";
-        ENABLE_MODULE_VERIFIER = YES;
-        GENERATE_INFOPLIST_FILE = YES;
-        INFOPLIST_KEY_NSHumanReadableCopyright = "";
-        INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-        LD_RUNPATH_SEARCH_PATHS = (
-          "$(inherited)",
-          "@executable_path/Frameworks",
-          "@loader_path/Frameworks",
-        );
-        MARKETING_VERSION = 1.0;
-        MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
-        MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++20";
-        PRODUCT_BUNDLE_IDENTIFIER = com.google.mediapipe.MediaPipeTasksDocGen;
-        PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
-        SKIP_INSTALL = YES;
-        SWIFT_EMIT_LOC_STRINGS = YES;
-        SWIFT_VERSION = 5.0;
-        TARGETED_DEVICE_FAMILY = "1,2";
-      };
-      name = Debug;
-    };
-    8566B5622ABABF9A00AAB22A /* Release */ = {
-      isa = XCBuildConfiguration;
-      buildSettings = {
-        CODE_SIGN_STYLE = Automatic;
-        CURRENT_PROJECT_VERSION = 1;
-        DEFINES_MODULE = YES;
-        DYLIB_COMPATIBILITY_VERSION = 1;
-        DYLIB_CURRENT_VERSION = 1;
-        DYLIB_INSTALL_NAME_BASE = "@rpath";
-        ENABLE_MODULE_VERIFIER = YES;
-        GENERATE_INFOPLIST_FILE = YES;
-        INFOPLIST_KEY_NSHumanReadableCopyright = "";
-        INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-        LD_RUNPATH_SEARCH_PATHS = (
-          "$(inherited)",
-          "@executable_path/Frameworks",
-          "@loader_path/Frameworks",
-        );
-        MARKETING_VERSION = 1.0;
-        MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
-        MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++20";
-        PRODUCT_BUNDLE_IDENTIFIER = com.google.mediapipe.MediaPipeTasksDocGen;
-        PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
-        SKIP_INSTALL = YES;
-        SWIFT_EMIT_LOC_STRINGS = YES;
-        SWIFT_VERSION = 5.0;
-        TARGETED_DEVICE_FAMILY = "1,2";
-      };
-      name = Release;
-    };
-/* End XCBuildConfiguration section */
-
-/* Begin XCConfigurationList section */
-    8566B5532ABABF9A00AAB22A /* Build configuration list for PBXProject "MediaPipeTasksDocGen" */ = {
-      isa = XCConfigurationList;
-      buildConfigurations = (
-        8566B55E2ABABF9A00AAB22A /* Debug */,
-        8566B55F2ABABF9A00AAB22A /* Release */,
-      );
-      defaultConfigurationIsVisible = 0;
-      defaultConfigurationName = Release;
-    };
-    8566B5602ABABF9A00AAB22A /* Build configuration list for PBXNativeTarget "MediaPipeTasksDocGen" */ = {
-      isa = XCConfigurationList;
-      buildConfigurations = (
-        8566B5612ABABF9A00AAB22A /* Debug */,
-        8566B5622ABABF9A00AAB22A /* Release */,
-      );
-      defaultConfigurationIsVisible = 0;
-      defaultConfigurationName = Release;
-    };
-/* End XCConfigurationList section */
-  };
-  rootObject = 8566B5502ABABF9A00AAB22A /* Project object */;
-}
--- a/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:">
-   </FileRef>
-</Workspace>
--- a/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-  <key>IDEDidComputeMac32BitWarning</key>
-  <true/>
-</dict>
-</plist>
--- a/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.xcworkspace/xcuserdata/macd.xcuserdatad/UserInterfaceState.xcuserstate
+++ b/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/project.xcworkspace/xcuserdata/macd.xcuserdatad/UserInterfaceState.xcuserstate
--- a/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/xcuserdata/macd.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen.xcodeproj/xcuserdata/macd.xcuserdatad/xcschemes/xcschememanagement.plist
@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-  <key>SchemeUserState</key>
-  <dict>
-    <key>MediaPipeTasksDocGen.xcscheme_^#shared#^_</key>
-    <dict>
-      <key>orderHint</key>
-      <integer>0</integer>
-    </dict>
-  </dict>
-</dict>
-</plist>
--- a/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen/MediaPipeTasksDocGen.h
+++ b/docs/MediaPipeTasksDocGen/MediaPipeTasksDocGen/MediaPipeTasksDocGen.h
@ -1,17 +0,0 @@
-//
-//  MediaPipeTasksDocGen.h
-//  MediaPipeTasksDocGen
-//
-//  Created by Mark McDonald on 20/9/2023.
-//
-
-#import <Foundation/Foundation.h>
-
-//! Project version number for MediaPipeTasksDocGen.
-FOUNDATION_EXPORT double MediaPipeTasksDocGenVersionNumber;
-
-//! Project version string for MediaPipeTasksDocGen.
-FOUNDATION_EXPORT const unsigned char MediaPipeTasksDocGenVersionString[];
-
-// In this header, you should import all the public headers of your framework using statements like
-// #import <MediaPipeTasksDocGen/PublicHeader.h>
--- a/docs/MediaPipeTasksDocGen/Podfile
+++ b/docs/MediaPipeTasksDocGen/Podfile
@ -1,11 +0,0 @@
-# Uncomment the next line to define a global platform for your project
-platform :ios, '15.0'
-
-target 'MediaPipeTasksDocGen' do
-  # Comment the next line if you don't want to use dynamic frameworks
-  use_frameworks!
-
-  # Pods for MediaPipeTasksDocGen
-  pod 'MediaPipeTasksText'
-  pod 'MediaPipeTasksVision'
-end
--- a/docs/MediaPipeTasksDocGen/README.md
+++ b/docs/MediaPipeTasksDocGen/README.md
@ -1,9 +0,0 @@
-# MediaPipeTasksDocGen
-
-This empty project is used to generate reference documentation for the
-ObjectiveC and Swift libraries.
-
-Docs are generated using [Jazzy](https://github.com/realm/jazzy) and published
-to [the developer site](https://developers.google.com/mediapipe/solutions/).
-
-To bump the API version used, edit [`Podfile`](./Podfile).
--- a/docs/build_java_api_docs.py
+++ b/docs/build_java_api_docs.py
@ -1,4 +1,4 @@
-# Copyright 2022 The MediaPipe Authors.
+# Copyright 2022 The MediaPipe Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@ -14,7 +14,6 @@
 # ==============================================================================
 """Generate Java reference docs for MediaPipe."""
 import pathlib
-import shutil

 from absl import app
 from absl import flags
@ -42,9 +41,7 @@ def main(_) -> None:
  mp_root = pathlib.Path(__file__)
  while (mp_root := mp_root.parent).name != 'mediapipe':
    # Find the nearest `mediapipe` dir.
-    if not mp_root.name:
-      # We've hit the filesystem root - abort.
-      raise FileNotFoundError('"mediapipe" root not found')
+    pass

  # Find the root from which all packages are relative.
  root = mp_root.parent
@ -54,14 +51,6 @@ def main(_) -> None:
  if (mp_root / 'mediapipe').exists():
    mp_root = mp_root / 'mediapipe'

-  # We need to copy this into the tasks dir to ensure we don't leave broken
-  # links in the generated docs.
-  old_api_dir = 'java/com/google/mediapipe/framework/image'
-  shutil.copytree(
-      mp_root / old_api_dir,
-      mp_root / 'tasks' / old_api_dir,
-      dirs_exist_ok=True)
-
  gen_java.gen_java_docs(
      package='com.google.mediapipe',
      source_path=mp_root / 'tasks/java',
--- a/docs/build_model_maker_api_docs.py
+++ b/docs/build_model_maker_api_docs.py
@ -1,4 +1,4 @@
-# Copyright 2022 The MediaPipe Authors.
+# Copyright 2022 The MediaPipe Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
--- a/docs/build_py_api_docs.py
+++ b/docs/build_py_api_docs.py
@ -1,4 +1,4 @@
-# Copyright 2022 The MediaPipe Authors.
+# Copyright 2022 The MediaPipe Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
--- a/docs/getting_started/hello_world_cpp.md
+++ b/docs/getting_started/hello_world_cpp.md
@ -50,7 +50,7 @@ as the primary developer documentation site for MediaPipe as of April 3, 2023.*
 3.  The [`hello world`] example uses a simple MediaPipe graph in the
    `PrintHelloWorld()` function, defined in a [`CalculatorGraphConfig`] proto.

-    ```c++
+    ```C++
    absl::Status PrintHelloWorld() {
      // Configures a simple graph, which concatenates 2 PassThroughCalculators.
      CalculatorGraphConfig config = ParseTextProtoOrDie<CalculatorGraphConfig>(R"(
@ -126,7 +126,7 @@ as the primary developer documentation site for MediaPipe as of April 3, 2023.*
    ```c++
    mediapipe::Packet packet;
    while (poller.Next(&packet)) {
-      ABSL_LOG(INFO) << packet.Get<string>();
+      LOG(INFO) << packet.Get<string>();
    }
    ```

--- a/docs/getting_started/hello_world_ios.md
+++ b/docs/getting_started/hello_world_ios.md
@ -138,7 +138,7 @@ Create a `BUILD` file in the `$APPLICATION_PATH` and add the following build
 rules:

 ```
-MIN_IOS_VERSION = "12.0"
+MIN_IOS_VERSION = "11.0"

 load(
    "@build_bazel_rules_apple//apple:ios.bzl",
--- a/docs/index.md
+++ b/docs/index.md
@ -1,121 +1,99 @@
 ---
-layout: forward
-target: https://developers.google.com/mediapipe
+layout: default
 title: Home
 nav_order: 1
 ---

+![MediaPipe](https://mediapipe.dev/images/mediapipe_small.png)
+
 ----

-**Attention:** *We have moved to
+**Attention:** *Thanks for your interest in MediaPipe! We have moved to
 [https://developers.google.com/mediapipe](https://developers.google.com/mediapipe)
 as the primary developer documentation site for MediaPipe as of April 3, 2023.*

-![MediaPipe](https://developers.google.com/static/mediapipe/images/home/hero_01_1920.png)
+*This notice and web page will be removed on June 1, 2023.*

-**Attention**: MediaPipe Solutions Preview is an early release. [Learn
-more](https://developers.google.com/mediapipe/solutions/about#notice).
+----

-**On-device machine learning for everyone**
+<br><br><br><br><br><br><br><br><br><br>
+<br><br><br><br><br><br><br><br><br><br>
+<br><br><br><br><br><br><br><br><br><br>

-Delight your customers with innovative machine learning features. MediaPipe
-contains everything that you need to customize and deploy to mobile (Android,
-iOS), web, desktop, edge devices, and IoT, effortlessly.
+--------------------------------------------------------------------------------

-*   [See demos](https://goo.gle/mediapipe-studio)
-*   [Learn more](https://developers.google.com/mediapipe/solutions)
+## Live ML anywhere

-## Get started
+[MediaPipe](https://google.github.io/mediapipe/) offers cross-platform, customizable
+ML solutions for live and streaming media.

-You can get started with MediaPipe Solutions by by checking out any of the
-developer guides for
-[vision](https://developers.google.com/mediapipe/solutions/vision/object_detector),
-[text](https://developers.google.com/mediapipe/solutions/text/text_classifier),
-and
-[audio](https://developers.google.com/mediapipe/solutions/audio/audio_classifier)
-tasks. If you need help setting up a development environment for use with
-MediaPipe Tasks, check out the setup guides for
-[Android](https://developers.google.com/mediapipe/solutions/setup_android), [web
-apps](https://developers.google.com/mediapipe/solutions/setup_web), and
-[Python](https://developers.google.com/mediapipe/solutions/setup_python).
+![accelerated.png](https://mediapipe.dev/images/accelerated_small.png)                                                               | ![cross_platform.png](https://mediapipe.dev/images/cross_platform_small.png)
+:------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------:
+***End-to-End acceleration***: *Built-in fast ML inference and processing accelerated even on common hardware* | ***Build once, deploy anywhere***: *Unified solution works across Android, iOS, desktop/cloud, web and IoT*
+![ready_to_use.png](https://mediapipe.dev/images/ready_to_use_small.png)                                                             | ![open_source.png](https://mediapipe.dev/images/open_source_small.png)
+***Ready-to-use solutions***: *Cutting-edge ML solutions demonstrating full power of the framework*            | ***Free and open source***: *Framework and solutions both under Apache 2.0, fully extensible and customizable*

-## Solutions
+----

-MediaPipe Solutions provides a suite of libraries and tools for you to quickly
-apply artificial intelligence (AI) and machine learning (ML) techniques in your
-applications. You can plug these solutions into your applications immediately,
-customize them to your needs, and use them across multiple development
-platforms. MediaPipe Solutions is part of the MediaPipe [open source
-project](https://github.com/google/mediapipe), so you can further customize the
-solutions code to meet your application needs.
+## ML solutions in MediaPipe

-These libraries and resources provide the core functionality for each MediaPipe
-Solution:
+Face Detection                                                                                                                 | Face Mesh                                                                                                       | Iris                                                                                                      | Hands                                                                                                      | Pose                                                                                                      | Holistic
+:----------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------: | :------:
+[![face_detection](https://mediapipe.dev/images/mobile/face_detection_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/face_detection) | [![face_mesh](https://mediapipe.dev/images/mobile/face_mesh_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/face_mesh) | [![iris](https://mediapipe.dev/images/mobile/iris_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/iris) | [![hand](https://mediapipe.dev/images/mobile/hand_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/hands) | [![pose](https://mediapipe.dev/images/mobile/pose_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/pose) | [![hair_segmentation](https://mediapipe.dev/images/mobile/holistic_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/holistic)

-*   **MediaPipe Tasks**: Cross-platform APIs and libraries for deploying
-    solutions. [Learn
-    more](https://developers.google.com/mediapipe/solutions/tasks).
-*   **MediaPipe models**: Pre-trained, ready-to-run models for use with each
-    solution.
+Hair Segmentation                                                                                                                       | Object Detection                                                                                                                     | Box Tracking                                                                                                                | Instant Motion Tracking                                                                                                                               | Objectron                                                                                                             | KNIFT
+:-------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :---------------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------: | :---:
+[![hair_segmentation](https://mediapipe.dev/images/mobile/hair_segmentation_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/hair_segmentation) | [![object_detection](https://mediapipe.dev/images/mobile/object_detection_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/object_detection) | [![box_tracking](https://mediapipe.dev/images/mobile/object_tracking_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/box_tracking) | [![instant_motion_tracking](https://mediapipe.dev/images/mobile/instant_motion_tracking_android_small.gif)](https://google.github.io/mediapipe/solutions/instant_motion_tracking) | [![objectron](https://mediapipe.dev/images/mobile/objectron_chair_android_gpu_small.gif)](https://google.github.io/mediapipe/solutions/objectron) | [![knift](https://mediapipe.dev/images/mobile/template_matching_android_cpu_small.gif)](https://google.github.io/mediapipe/solutions/knift)

-These tools let you customize and evaluate solutions:
+<!-- []() in the first cell is needed to preserve table formatting in GitHub Pages. -->
+<!-- Whenever this table is updated, paste a copy to solutions/solutions.md. -->

-*   **MediaPipe Model Maker**: Customize models for solutions with your data.
-    [Learn more](https://developers.google.com/mediapipe/solutions/model_maker).
-*   **MediaPipe Studio**: Visualize, evaluate, and benchmark solutions in your
-    browser. [Learn
-    more](https://developers.google.com/mediapipe/solutions/studio).
+[]()                                                                                      | [Android](https://google.github.io/mediapipe/getting_started/android) | [iOS](https://google.github.io/mediapipe/getting_started/ios) | [C++](https://google.github.io/mediapipe/getting_started/cpp) | [Python](https://google.github.io/mediapipe/getting_started/python) | [JS](https://google.github.io/mediapipe/getting_started/javascript) | [Coral](https://github.com/google/mediapipe/tree/master/mediapipe/examples/coral/README.md)
+:---------------------------------------------------------------------------------------- | :-------------------------------------------------------------: | :-----------------------------------------------------: | :-----------------------------------------------------: | :-----------------------------------------------------------: | :-----------------------------------------------------------: | :--------------------------------------------------------------------:
+[Face Detection](https://google.github.io/mediapipe/solutions/face_detection)                   | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             | ✅
+[Face Mesh](https://google.github.io/mediapipe/solutions/face_mesh)                             | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Iris](https://google.github.io/mediapipe/solutions/iris)                                       | ✅                                                               | ✅                                                       | ✅                                                       |                                                               |                                                               |
+[Hands](https://google.github.io/mediapipe/solutions/hands)                                     | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Pose](https://google.github.io/mediapipe/solutions/pose)                                       | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Holistic](https://google.github.io/mediapipe/solutions/holistic)                               | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Selfie Segmentation](https://google.github.io/mediapipe/solutions/selfie_segmentation)         | ✅                                                               | ✅                                                       | ✅                                                       | ✅                                                             | ✅                                                             |
+[Hair Segmentation](https://google.github.io/mediapipe/solutions/hair_segmentation)             | ✅                                                               |                                                         | ✅                                                       |                                                               |                                                               |
+[Object Detection](https://google.github.io/mediapipe/solutions/object_detection)               | ✅                                                               | ✅                                                       | ✅                                                       |                                                               |                                                               | ✅
+[Box Tracking](https://google.github.io/mediapipe/solutions/box_tracking)                       | ✅                                                               | ✅                                                       | ✅                                                       |                                                               |                                                               |
+[Instant Motion Tracking](https://google.github.io/mediapipe/solutions/instant_motion_tracking) | ✅                                                               |                                                         |                                                         |                                                               |                                                               |
+[Objectron](https://google.github.io/mediapipe/solutions/objectron)                             | ✅                                                               |                                                         | ✅                                                       | ✅                                                             | ✅                                                             |
+[KNIFT](https://google.github.io/mediapipe/solutions/knift)                                     | ✅                                                               |                                                         |                                                         |                                                               |                                                               |
+[AutoFlip](https://google.github.io/mediapipe/solutions/autoflip)                               |                                                                 |                                                         | ✅                                                       |                                                               |                                                               |
+[MediaSequence](https://google.github.io/mediapipe/solutions/media_sequence)                    |                                                                 |                                                         | ✅                                                       |                                                               |                                                               |
+[YouTube 8M](https://google.github.io/mediapipe/solutions/youtube_8m)                           |                                                                 |                                                         | ✅                                                       |                                                               |                                                               |

-### Legacy solutions
+See also
+[MediaPipe Models and Model Cards](https://google.github.io/mediapipe/solutions/models)
+for ML models released in MediaPipe.

-We have ended support for [these MediaPipe Legacy Solutions](https://developers.google.com/mediapipe/solutions/guide#legacy)
-as of March 1, 2023. All other MediaPipe Legacy Solutions will be upgraded to
-a new MediaPipe Solution. See the [Solutions guide](https://developers.google.com/mediapipe/solutions/guide#legacy)
-for details. The [code repository](https://github.com/google/mediapipe/tree/master/mediapipe)
-and prebuilt binaries for all MediaPipe Legacy Solutions will continue to be
-provided on an as-is basis.
+## Getting started

-For more on the legacy solutions, see the [documentation](https://github.com/google/mediapipe/tree/master/docs/solutions).
+To start using MediaPipe
+[solutions](https://google.github.io/mediapipe/solutions/solutions) with only a few
+lines code, see example code and demos in
+[MediaPipe in Python](https://google.github.io/mediapipe/getting_started/python) and
+[MediaPipe in JavaScript](https://google.github.io/mediapipe/getting_started/javascript).

-## Framework
+To use MediaPipe in C++, Android and iOS, which allow further customization of
+the [solutions](https://google.github.io/mediapipe/solutions/solutions) as well as
+building your own, learn how to
+[install](https://google.github.io/mediapipe/getting_started/install) MediaPipe and
+start building example applications in
+[C++](https://google.github.io/mediapipe/getting_started/cpp),
+[Android](https://google.github.io/mediapipe/getting_started/android) and
+[iOS](https://google.github.io/mediapipe/getting_started/ios).

-To start using MediaPipe Framework, [install MediaPipe
-Framework](https://developers.google.com/mediapipe/framework/getting_started/install)
-and start building example applications in C++, Android, and iOS.
+The source code is hosted in the
+[MediaPipe Github repository](https://github.com/google/mediapipe), and you can
+run code search using
+[Google Open Source Code Search](https://cs.opensource.google/mediapipe/mediapipe).

-[MediaPipe Framework](https://developers.google.com/mediapipe/framework) is the
-low-level component used to build efficient on-device machine learning
-pipelines, similar to the premade MediaPipe Solutions.
-
-Before using MediaPipe Framework, familiarize yourself with the following key
-[Framework
-concepts](https://developers.google.com/mediapipe/framework/framework_concepts/overview.md):
-
-*   [Packets](https://developers.google.com/mediapipe/framework/framework_concepts/packets.md)
-*   [Graphs](https://developers.google.com/mediapipe/framework/framework_concepts/graphs.md)
-*   [Calculators](https://developers.google.com/mediapipe/framework/framework_concepts/calculators.md)
-
-## Community
-
-*   [Slack community](https://mediapipe.page.link/joinslack) for MediaPipe
-    users.
-*   [Discuss](https://groups.google.com/forum/#!forum/mediapipe) - General
-    community discussion around MediaPipe.
-*   [Awesome MediaPipe](https://mediapipe.page.link/awesome-mediapipe) - A
-    curated list of awesome MediaPipe related frameworks, libraries and
-    software.
-
-## Contributing
-
-We welcome contributions. Please follow these
-[guidelines](https://github.com/google/mediapipe/blob/master/CONTRIBUTING.md).
-
-We use GitHub issues for tracking requests and bugs. Please post questions to
-the MediaPipe Stack Overflow with a `mediapipe` tag.
-
-## Resources
-
-### Publications
+## Publications

 *   [Bringing artworks to life with AR](https://developers.googleblog.com/2021/07/bringing-artworks-to-life-with-ar.html)
    in Google Developers Blog
@ -124,8 +102,7 @@ the MediaPipe Stack Overflow with a `mediapipe` tag.
 *   [SignAll SDK: Sign language interface using MediaPipe is now available for
    developers](https://developers.googleblog.com/2021/04/signall-sdk-sign-language-interface-using-mediapipe-now-available.html)
    in Google Developers Blog
-*   [MediaPipe Holistic - Simultaneous Face, Hand and Pose Prediction, on
-    Device](https://ai.googleblog.com/2020/12/mediapipe-holistic-simultaneous-face.html)
+*   [MediaPipe Holistic - Simultaneous Face, Hand and Pose Prediction, on Device](https://ai.googleblog.com/2020/12/mediapipe-holistic-simultaneous-face.html)
    in Google AI Blog
 *   [Background Features in Google Meet, Powered by Web ML](https://ai.googleblog.com/2020/10/background-features-in-google-meet.html)
    in Google AI Blog
@ -153,6 +130,43 @@ the MediaPipe Stack Overflow with a `mediapipe` tag.
    in Google AI Blog
 *   [MediaPipe: A Framework for Building Perception Pipelines](https://arxiv.org/abs/1906.08172)

-### Videos
+## Videos

 *   [YouTube Channel](https://www.youtube.com/c/MediaPipe)
+
+## Events
+
+*   [MediaPipe Seattle Meetup, Google Building Waterside, 13 Feb 2020](https://mediapipe.page.link/seattle2020)
+*   [AI Nextcon 2020, 12-16 Feb 2020, Seattle](http://aisea20.xnextcon.com/)
+*   [MediaPipe Madrid Meetup, 16 Dec 2019](https://www.meetup.com/Madrid-AI-Developers-Group/events/266329088/)
+*   [MediaPipe London Meetup, Google 123 Building, 12 Dec 2019](https://www.meetup.com/London-AI-Tech-Talk/events/266329038)
+*   [ML Conference, Berlin, 11 Dec 2019](https://mlconference.ai/machine-learning-advanced-development/mediapipe-building-real-time-cross-platform-mobile-web-edge-desktop-video-audio-ml-pipelines/)
+*   [MediaPipe Berlin Meetup, Google Berlin, 11 Dec 2019](https://www.meetup.com/Berlin-AI-Tech-Talk/events/266328794/)
+*   [The 3rd Workshop on YouTube-8M Large Scale Video Understanding Workshop,
+    Seoul, Korea ICCV
+    2019](https://research.google.com/youtube8m/workshop2019/index.html)
+*   [AI DevWorld 2019, 10 Oct 2019, San Jose, CA](https://aidevworld.com)
+*   [Google Industry Workshop at ICIP 2019, 24 Sept 2019, Taipei, Taiwan](http://2019.ieeeicip.org/?action=page4&id=14#Google)
+    ([presentation](https://docs.google.com/presentation/d/e/2PACX-1vRIBBbO_LO9v2YmvbHHEt1cwyqH6EjDxiILjuT0foXy1E7g6uyh4CesB2DkkEwlRDO9_lWfuKMZx98T/pub?start=false&loop=false&delayms=3000&slide=id.g556cc1a659_0_5))
+*   [Open sourced at CVPR 2019, 17~20 June, Long Beach, CA](https://sites.google.com/corp/view/perception-cv4arvr/mediapipe)
+
+## Community
+
+*   [Awesome MediaPipe](https://mediapipe.page.link/awesome-mediapipe) - A
+    curated list of awesome MediaPipe related frameworks, libraries and software
+*   [Slack community](https://mediapipe.page.link/joinslack) for MediaPipe users
+*   [Discuss](https://groups.google.com/forum/#!forum/mediapipe) - General
+    community discussion around MediaPipe
+
+## Alpha disclaimer
+
+MediaPipe is currently in alpha at v0.7. We may be still making breaking API
+changes and expect to get to stable APIs by v1.0.
+
+## Contributing
+
+We welcome contributions. Please follow these
+[guidelines](https://github.com/google/mediapipe/blob/master/CONTRIBUTING.md).
+
+We use GitHub issues for tracking requests and bugs. Please post questions to
+the MediaPipe Stack Overflow with a `mediapipe` tag.
--- a/docs/solutions/face_detection.md
+++ b/docs/solutions/face_detection.md
@ -20,9 +20,9 @@ nav_order: 1
 ---

 **Attention:** *Thank you for your interest in MediaPipe Solutions.
-As of May 10, 2023, this solution was upgraded to a new MediaPipe
+As of March 1, 2023, this solution is planned to be upgraded to a new MediaPipe
 Solution. For more information, see the
-[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/vision/face_detector)
+[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/guide#legacy)
 site.*

 ----
--- a/docs/solutions/face_mesh.md
+++ b/docs/solutions/face_mesh.md
@ -20,9 +20,9 @@ nav_order: 2
 ---

 **Attention:** *Thank you for your interest in MediaPipe Solutions.
-As of May 10, 2023, this solution was upgraded to a new MediaPipe
+As of March 1, 2023, this solution is planned to be upgraded to a new MediaPipe
 Solution. For more information, see the
-[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/vision/face_landmarker)
+[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/guide#legacy)
 site.*

 ----
--- a/docs/solutions/iris.md
+++ b/docs/solutions/iris.md
@ -20,9 +20,9 @@ nav_order: 3
 ---

 **Attention:** *Thank you for your interest in MediaPipe Solutions.
-As of May 10, 2023, this solution was upgraded to a new MediaPipe
+As of March 1, 2023, this solution is planned to be upgraded to a new MediaPipe
 Solution. For more information, see the
-[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/vision/face_landmarker)
+[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/guide#legacy)
 site.*

 ----
--- a/docs/solutions/pose.md
+++ b/docs/solutions/pose.md
@ -22,9 +22,9 @@ nav_order: 5
 ---

 **Attention:** *Thank you for your interest in MediaPipe Solutions.
-As of May 10, 2023, this solution was upgraded to a new MediaPipe
+As of March 1, 2023, this solution is planned to be upgraded to a new MediaPipe
 Solution. For more information, see the
-[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/vision/pose_landmarker)
+[MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/vision/pose_landmarker/)
 site.*

 ----
--- a/docs/solutions/pose_classification.md
+++ b/docs/solutions/pose_classification.md
@ -21,7 +21,7 @@ nav_order: 1
 ---

 **Attention:** *Thank you for your interest in MediaPipe Solutions.
-As of May 10, 2023, this solution was upgraded to a new MediaPipe
+As of March 1, 2023, this solution is planned to be upgraded to a new MediaPipe
 Solution. For more information, see the
 [MediaPipe Solutions](https://developers.google.com/mediapipe/solutions/vision/pose_landmarker/)
 site.*
--- a/docs/solutions/solutions.md
+++ b/docs/solutions/solutions.md
@ -1,6 +1,5 @@
 ---
-layout: forward
-target: https://developers.google.com/mediapipe/solutions/guide#legacy
+layout: default
 title: MediaPipe Legacy Solutions
 nav_order: 3
 has_children: true
@ -14,7 +13,8 @@ has_toc: false
 {:toc}
 ---

-**Attention:** *We have ended support for
+**Attention:** *Thank you for your interest in MediaPipe Solutions. We have
+ended support for
 [these MediaPipe Legacy Solutions](https://developers.google.com/mediapipe/solutions/guide#legacy)
 as of March 1, 2023. All other
 [MediaPipe Legacy Solutions will be upgraded](https://developers.google.com/mediapipe/solutions/guide#legacy)
@ -25,6 +25,14 @@ be provided on an as-is basis. We encourage you to check out the new MediaPipe
 Solutions at:
 [https://developers.google.com/mediapipe/solutions](https://developers.google.com/mediapipe/solutions)*

+*This notice and web page will be removed on June 1, 2023.*
+
+----
+
+<br><br><br><br><br><br><br><br><br><br>
+<br><br><br><br><br><br><br><br><br><br>
+<br><br><br><br><br><br><br><br><br><br>
+
 ----

 MediaPipe offers open source cross-platform, customizable ML solutions for live
--- a/mediapipe/BUILD
+++ b/mediapipe/BUILD
@ -14,155 +14,81 @@

 licenses(["notice"])  # Apache 2.0

-load("@mediapipe//mediapipe:platforms.bzl", "config_setting_and_platform")
+# Note: yes, these need to use "//external:android/crosstool", not
+# @androidndk//:default_crosstool.

-# Generic Android
 config_setting(
    name = "android",
-    constraint_values = [
-        "@platforms//os:android",
-    ],
+    values = {"crosstool_top": "//external:android/crosstool"},
    visibility = ["//visibility:public"],
 )

-# Android x86 32-bit.
-config_setting_and_platform(
-    name = "android_x86",
-    constraint_values = [
-        "@platforms//os:android",
-        "@platforms//cpu:x86_32",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# Android x86 64-bit.
-config_setting_and_platform(
-    name = "android_x86_64",
-    constraint_values = [
-        "@platforms//os:android",
-        "@platforms//cpu:x86_64",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# Android ARMv7.
-config_setting_and_platform(
-    name = "android_arm",
-    constraint_values = [
-        "@platforms//os:android",
-        "@platforms//cpu:armv7",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# Android ARM64.
-config_setting_and_platform(
-    name = "android_arm64",
-    constraint_values = [
-        "@platforms//os:android",
-        "@platforms//cpu:arm64",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# Generic MacOS.
 config_setting(
+    name = "android_x86",
+    values = {
+        "crosstool_top": "//external:android/crosstool",
+        "cpu": "x86",
+    },
+    visibility = ["//visibility:public"],
+)
+
+config_setting(
+    name = "android_x86_64",
+    values = {
+        "crosstool_top": "//external:android/crosstool",
+        "cpu": "x86_64",
+    },
+    visibility = ["//visibility:public"],
+)
+
+config_setting(
+    name = "android_armeabi",
+    values = {
+        "crosstool_top": "//external:android/crosstool",
+        "cpu": "armeabi",
+    },
+    visibility = ["//visibility:public"],
+)
+
+config_setting(
+    name = "android_arm",
+    values = {
+        "crosstool_top": "//external:android/crosstool",
+        "cpu": "armeabi-v7a",
+    },
+    visibility = ["//visibility:public"],
+)
+
+config_setting(
+    name = "android_arm64",
+    values = {
+        "crosstool_top": "//external:android/crosstool",
+        "cpu": "arm64-v8a",
+    },
+    visibility = ["//visibility:public"],
+)
+
+# Note: this cannot just match "apple_platform_type": "macos" because that option
+# defaults to "macos" even when building on Linux!
+alias(
    name = "macos",
-    constraint_values = [
-        "@platforms//os:macos",
-    ],
+    actual = select({
+        ":macos_i386": ":macos_i386",
+        ":macos_x86_64": ":macos_x86_64",
+        ":macos_arm64": ":macos_arm64",
+        "//conditions:default": ":macos_i386",  # Arbitrarily chosen from above.
+    }),
    visibility = ["//visibility:public"],
 )

-# MacOS x86 64-bit.
-config_setting_and_platform(
-    name = "macos_x86_64",
-    constraint_values = [
-        "@platforms//os:macos",
-        "@platforms//cpu:x86_64",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# MacOS ARM64.
-config_setting_and_platform(
-    name = "macos_arm64",
-    constraint_values = [
-        "@platforms//os:macos",
-        "@platforms//cpu:arm64",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# Generic iOS.
+# Note: this also matches on crosstool_top so that it does not produce ambiguous
+# selectors when used together with "android".
 config_setting(
    name = "ios",
-    constraint_values = [
-        "@platforms//os:ios",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# iOS device ARM32.
-config_setting_and_platform(
-    name = "ios_armv7",
-    constraint_values = [
-        "@platforms//os:ios",
-        "@platforms//cpu:arm",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# iOS device ARM64.
-config_setting_and_platform(
-    name = "ios_arm64",
-    constraint_values = [
-        "@platforms//os:ios",
-        "@platforms//cpu:arm64",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# iOS device ARM64E.
-config_setting_and_platform(
-    name = "ios_arm64e",
-    constraint_values = [
-        "@platforms//os:ios",
-        "@platforms//cpu:arm64e",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# iOS simulator x86 32-bit.
-config_setting_and_platform(
-    name = "ios_i386",
-    constraint_values = [
-        "@platforms//os:ios",
-        "@platforms//cpu:x86_32",
-        "@build_bazel_apple_support//constraints:simulator",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# iOS simulator x86 64-bit.
-config_setting_and_platform(
-    name = "ios_x86_64",
-    constraint_values = [
-        "@platforms//os:ios",
-        "@platforms//cpu:x86_64",
-        "@build_bazel_apple_support//constraints:simulator",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-# iOS simulator ARM64.
-config_setting_and_platform(
-    name = "ios_sim_arm64",
-    constraint_values = [
-        "@platforms//os:ios",
-        "@platforms//cpu:arm64",
-        "@build_bazel_apple_support//constraints:simulator",
-    ],
+    values = {
+        "crosstool_top": "@bazel_tools//tools/cpp:toolchain",
+        "apple_platform_type": "ios",
+    },
    visibility = ["//visibility:public"],
 )

@ -176,26 +102,53 @@ alias(
    visibility = ["//visibility:public"],
 )

-# Windows 64-bit.
-config_setting_and_platform(
-    name = "windows",
-    constraint_values = [
-        "@platforms//os:windows",
-        "@platforms//cpu:x86_64",
-    ],
+config_setting(
+    name = "macos_i386",
+    values = {
+        "apple_platform_type": "macos",
+        "cpu": "darwin",
+    },
    visibility = ["//visibility:public"],
 )

-# Linux 64-bit.
-config_setting_and_platform(
-    name = "linux",
-    constraint_values = [
-        "@platforms//os:linux",
-        "@platforms//cpu:x86_64",
-    ],
+config_setting(
+    name = "macos_x86_64",
+    values = {
+        "apple_platform_type": "macos",
+        "cpu": "darwin_x86_64",
+    },
    visibility = ["//visibility:public"],
 )

+config_setting(
+    name = "macos_arm64",
+    values = {
+        "apple_platform_type": "macos",
+        "cpu": "darwin_arm64",
+    },
+    visibility = ["//visibility:public"],
+)
+
+[
+    config_setting(
+        name = arch,
+        values = {"cpu": arch},
+        visibility = ["//visibility:public"],
+    )
+    for arch in [
+        "ios_i386",
+        "ios_x86_64",
+        "ios_armv7",
+        "ios_arm64",
+        "ios_arm64e",
+    ]
+]
+
+config_setting(
+    name = "windows",
+    values = {"cpu": "x64_windows"},
+)
+
 exports_files(
    ["provisioning_profile.mobileprovision"],
    visibility = ["//visibility:public"],
--- a/mediapipe/calculators/audio/BUILD
+++ b/mediapipe/calculators/audio/BUILD
@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.

-# Placeholder: load py_proto_library
 load("//mediapipe/framework/port:build_config.bzl", "mediapipe_cc_proto_library")

 licenses(["notice"])
@ -146,7 +145,6 @@ cc_library(
        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:status",
        "//mediapipe/util:time_series_util",
-        "@com_google_absl//absl/log:absl_check",
        "@com_google_absl//absl/strings",
        "@com_google_audio_tools//audio/dsp/mfcc",
        "@eigen_archive//:eigen3",
@ -165,9 +163,8 @@ cc_library(
        "//mediapipe/framework/formats:matrix",
        "//mediapipe/framework/formats:time_series_header_cc_proto",
        "//mediapipe/framework/port:integral_types",
+        "//mediapipe/framework/port:logging",
        "//mediapipe/util:time_series_util",
-        "@com_google_absl//absl/log:absl_check",
-        "@com_google_absl//absl/log:absl_log",
        "@com_google_absl//absl/strings",
        "@com_google_audio_tools//audio/dsp:resampler",
        "@com_google_audio_tools//audio/dsp:resampler_q",
@ -188,7 +185,6 @@ cc_library(
        "//mediapipe/framework/port:core_proto",
        "//mediapipe/framework/port:status",
        "//mediapipe/util:time_series_util",
-        "@com_google_absl//absl/log:absl_check",
    ],
    alwayslink = 1,
 )
@ -223,12 +219,13 @@ cc_library(
    deps = [
        ":time_series_framer_calculator_cc_proto",
        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework:timestamp",
        "//mediapipe/framework/formats:matrix",
        "//mediapipe/framework/formats:time_series_header_cc_proto",
+        "//mediapipe/framework/port:integral_types",
+        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:ret_check",
+        "//mediapipe/framework/port:status",
        "//mediapipe/util:time_series_util",
-        "@com_google_absl//absl/log:absl_check",
        "@com_google_audio_tools//audio/dsp:window_functions",
        "@eigen_archive//:eigen3",
    ],
@ -299,7 +296,6 @@ cc_test(
        "//mediapipe/framework/port:integral_types",
        "//mediapipe/framework/port:status",
        "//mediapipe/util:time_series_test_util",
-        "@com_google_absl//absl/log:absl_log",
        "@com_google_audio_tools//audio/dsp:number_util",
        "@eigen_archive//:eigen3",
    ],
@ -323,21 +319,6 @@ cc_test(
    ],
 )

-cc_binary(
-    name = "time_series_framer_calculator_benchmark",
-    srcs = ["time_series_framer_calculator_benchmark.cc"],
-    deps = [
-        ":time_series_framer_calculator",
-        ":time_series_framer_calculator_cc_proto",
-        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework:packet",
-        "//mediapipe/framework/formats:matrix",
-        "//mediapipe/framework/formats:time_series_header_cc_proto",
-        "@com_google_absl//absl/log:absl_check",
-        "@com_google_benchmark//:benchmark",
-    ],
-)
-
 cc_test(
    name = "time_series_framer_calculator_test",
    srcs = ["time_series_framer_calculator_test.cc"],
@ -352,7 +333,6 @@ cc_test(
        "//mediapipe/framework/port:integral_types",
        "//mediapipe/framework/port:status",
        "//mediapipe/util:time_series_test_util",
-        "@com_google_absl//absl/log:absl_log",
        "@com_google_audio_tools//audio/dsp:window_functions",
        "@eigen_archive//:eigen3",
    ],
--- a/mediapipe/calculators/audio/mfcc_mel_calculators.cc
+++ b/mediapipe/calculators/audio/mfcc_mel_calculators.cc
@ -23,7 +23,6 @@
 #include <vector>

 #include "Eigen/Core"
-#include "absl/log/absl_check.h"
 #include "absl/strings/str_cat.h"
 #include "absl/strings/string_view.h"
 #include "absl/strings/substitute.h"
@ -139,7 +138,7 @@ absl::Status FramewiseTransformCalculatorBase::Process(CalculatorContext* cc) {
    TransformFrame(input_frame, &output_frame);

    // Copy output from vector<float> to Eigen::Vector.
-    ABSL_CHECK_EQ(output_frame.size(), num_output_channels_);
+    CHECK_EQ(output_frame.size(), num_output_channels_);
    Eigen::Map<const Eigen::MatrixXd> output_frame_map(&output_frame[0],
                                                       output_frame.size(), 1);
    output->col(frame) = output_frame_map.cast<float>();
--- a/mediapipe/calculators/audio/rational_factor_resample_calculator.cc
+++ b/mediapipe/calculators/audio/rational_factor_resample_calculator.cc
@ -16,8 +16,6 @@

 #include "mediapipe/calculators/audio/rational_factor_resample_calculator.h"

-#include "absl/log/absl_check.h"
-#include "absl/log/absl_log.h"
 #include "audio/dsp/resampler_q.h"

 using audio_dsp::Resampler;
@ -47,9 +45,9 @@ void CopyVectorToChannel(const std::vector<float>& vec, Matrix* matrix,
  if (matrix->cols() == 0) {
    matrix->resize(matrix->rows(), vec.size());
  } else {
-    ABSL_CHECK_EQ(vec.size(), matrix->cols());
+    CHECK_EQ(vec.size(), matrix->cols());
  }
-  ABSL_CHECK_LT(channel, matrix->rows());
+  CHECK_LT(channel, matrix->rows());
  matrix->row(channel) =
      Eigen::Map<const Eigen::ArrayXf>(vec.data(), vec.size());
 }
@ -79,7 +77,7 @@ absl::Status RationalFactorResampleCalculator::Open(CalculatorContext* cc) {
      r = ResamplerFromOptions(source_sample_rate_, target_sample_rate_,
                               resample_options);
      if (!r) {
-        ABSL_LOG(ERROR) << "Failed to initialize resampler.";
+        LOG(ERROR) << "Failed to initialize resampler.";
        return absl::UnknownError("Failed to initialize resampler.");
      }
    }
--- a/mediapipe/calculators/audio/rational_factor_resample_calculator.h
+++ b/mediapipe/calculators/audio/rational_factor_resample_calculator.h
@ -27,6 +27,7 @@
 #include "mediapipe/framework/formats/matrix.h"
 #include "mediapipe/framework/formats/time_series_header.pb.h"
 #include "mediapipe/framework/port/integral_types.h"
+#include "mediapipe/framework/port/logging.h"
 #include "mediapipe/util/time_series_util.h"

 namespace mediapipe {
--- a/mediapipe/calculators/audio/spectrogram_calculator.cc
+++ b/mediapipe/calculators/audio/spectrogram_calculator.cc
@ -210,23 +210,6 @@ REGISTER_CALCULATOR(SpectrogramCalculator);
 // Factor to convert ln(SQUARED_MAGNITUDE) to deciBels = 10.0/ln(10.0).
 const float SpectrogramCalculator::kLnSquaredMagnitudeToDb = 4.342944819032518;

-namespace {
-std::unique_ptr<audio_dsp::WindowFunction> MakeWindowFun(
-    const SpectrogramCalculatorOptions::WindowType window_type) {
-  switch (window_type) {
-    // The cosine window and square root of Hann are equivalent.
-    case SpectrogramCalculatorOptions::COSINE:
-    case SpectrogramCalculatorOptions::SQRT_HANN:
-      return std::make_unique<audio_dsp::CosineWindow>();
-    case SpectrogramCalculatorOptions::HANN:
-      return std::make_unique<audio_dsp::HannWindow>();
-    case SpectrogramCalculatorOptions::HAMMING:
-      return std::make_unique<audio_dsp::HammingWindow>();
-  }
-  return nullptr;
-}
-}  // namespace
-
 absl::Status SpectrogramCalculator::Open(CalculatorContext* cc) {
  SpectrogramCalculatorOptions spectrogram_options =
      cc->Options<SpectrogramCalculatorOptions>();
@ -283,14 +266,28 @@ absl::Status SpectrogramCalculator::Open(CalculatorContext* cc) {

  output_scale_ = spectrogram_options.output_scale();

-  auto window_fun = MakeWindowFun(spectrogram_options.window_type());
-  if (window_fun == nullptr) {
-    return absl::Status(absl::StatusCode::kInvalidArgument,
-                        absl::StrCat("Invalid window type ",
-                                     spectrogram_options.window_type()));
-  }
  std::vector<double> window;
-  window_fun->GetPeriodicSamples(frame_duration_samples_, &window);
+  switch (spectrogram_options.window_type()) {
+    case SpectrogramCalculatorOptions::COSINE:
+      audio_dsp::CosineWindow().GetPeriodicSamples(frame_duration_samples_,
+                                                   &window);
+      break;
+    case SpectrogramCalculatorOptions::HANN:
+      audio_dsp::HannWindow().GetPeriodicSamples(frame_duration_samples_,
+                                                 &window);
+      break;
+    case SpectrogramCalculatorOptions::HAMMING:
+      audio_dsp::HammingWindow().GetPeriodicSamples(frame_duration_samples_,
+                                                    &window);
+      break;
+    case SpectrogramCalculatorOptions::SQRT_HANN: {
+      audio_dsp::HannWindow().GetPeriodicSamples(frame_duration_samples_,
+                                                 &window);
+      absl::c_transform(window, window.begin(),
+                        [](double x) { return std::sqrt(x); });
+      break;
+    }
+  }

  // Propagate settings down to the actual Spectrogram object.
  spectrogram_generators_.clear();
--- a/mediapipe/calculators/audio/spectrogram_calculator.proto
+++ b/mediapipe/calculators/audio/spectrogram_calculator.proto
@ -68,7 +68,7 @@ message SpectrogramCalculatorOptions {
    HANN = 0;
    HAMMING = 1;
    COSINE = 2;
-    SQRT_HANN = 4;  // Alias of COSINE.
+    SQRT_HANN = 4;
  }
  optional WindowType window_type = 6 [default = HANN];

@ -80,7 +80,7 @@ message SpectrogramCalculatorOptions {
  // If use_local_timestamp is true, the output packet's timestamp is based on
  // the last sample of the packet and it's inferred from the latest input
  // packet's timestamp.  If false, the output packet's timestamp is based on
-  // the cumulative timestamping, which is inferred from the initial input
+  // the cumulative timestamping, which is inferred from the intial input
  // timestamp and the cumulative number of samples.
  optional bool use_local_timestamp = 8 [default = false];
 }
--- a/mediapipe/calculators/audio/spectrogram_calculator_test.cc
+++ b/mediapipe/calculators/audio/spectrogram_calculator_test.cc
@ -22,7 +22,6 @@
 #include <vector>

 #include "Eigen/Core"
-#include "absl/log/absl_log.h"
 #include "audio/dsp/number_util.h"
 #include "mediapipe/calculators/audio/spectrogram_calculator.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
@ -883,9 +882,9 @@ void BM_ProcessDC(benchmark::State& state) {

  const CalculatorRunner::StreamContents& output = runner.Outputs().Index(0);
  const Matrix& output_matrix = output.packets[0].Get<Matrix>();
-  ABSL_LOG(INFO) << "Output matrix=" << output_matrix.rows() << "x"
+  LOG(INFO) << "Output matrix=" << output_matrix.rows() << "x"
            << output_matrix.cols();
-  ABSL_LOG(INFO) << "First values=" << output_matrix(0, 0) << ", "
+  LOG(INFO) << "First values=" << output_matrix(0, 0) << ", "
            << output_matrix(1, 0) << ", " << output_matrix(2, 0) << ", "
            << output_matrix(3, 0);
 }
--- a/mediapipe/calculators/audio/stabilized_log_calculator.cc
+++ b/mediapipe/calculators/audio/stabilized_log_calculator.cc
@ -18,7 +18,6 @@
 #include <memory>
 #include <string>

-#include "absl/log/absl_check.h"
 #include "mediapipe/calculators/audio/stabilized_log_calculator.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/formats/matrix.h"
@ -60,7 +59,7 @@ class StabilizedLogCalculator : public CalculatorBase {
    output_scale_ = stabilized_log_calculator_options.output_scale();
    check_nonnegativity_ =
        stabilized_log_calculator_options.check_nonnegativity();
-    ABSL_CHECK_GE(stabilizer_, 0.0)
+    CHECK_GE(stabilizer_, 0.0)
        << "stabilizer must be >= 0.0, received a value of " << stabilizer_;

    // If the input packets have a header, propagate the header to the output.
--- a/mediapipe/calculators/audio/time_series_framer_calculator.cc
+++ b/mediapipe/calculators/audio/time_series_framer_calculator.cc
@ -15,17 +15,19 @@
 // Defines TimeSeriesFramerCalculator.
 #include <math.h>

-#include <vector>
+#include <deque>
+#include <memory>
+#include <string>

 #include "Eigen/Core"
-#include "absl/log/absl_check.h"
 #include "audio/dsp/window_functions.h"
 #include "mediapipe/calculators/audio/time_series_framer_calculator.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/formats/matrix.h"
 #include "mediapipe/framework/formats/time_series_header.pb.h"
+#include "mediapipe/framework/port/integral_types.h"
+#include "mediapipe/framework/port/logging.h"
 #include "mediapipe/framework/port/ret_check.h"
-#include "mediapipe/framework/timestamp.h"
 #include "mediapipe/util/time_series_util.h"

 namespace mediapipe {
@ -86,6 +88,11 @@ class TimeSeriesFramerCalculator : public CalculatorBase {
  absl::Status Close(CalculatorContext* cc) override;

 private:
+  // Adds input data to the internal buffer.
+  void EnqueueInput(CalculatorContext* cc);
+  // Constructs and emits framed output packets.
+  void FrameOutput(CalculatorContext* cc);
+
  Timestamp CurrentOutputTimestamp() {
    if (use_local_timestamp_) {
      return current_timestamp_;
@ -99,13 +106,21 @@ class TimeSeriesFramerCalculator : public CalculatorBase {
                 Timestamp::kTimestampUnitsPerSecond);
  }

+  // Returns the timestamp of a sample on a base, which is usually the time
+  // stamp of a packet.
+  Timestamp CurrentSampleTimestamp(const Timestamp& timestamp_base,
+                                   int64_t number_of_samples) {
+    return timestamp_base + round(number_of_samples / sample_rate_ *
+                                  Timestamp::kTimestampUnitsPerSecond);
+  }
+
  // The number of input samples to advance after the current output frame is
  // emitted.
  int next_frame_step_samples() const {
    // All numbers are in input samples.
    const int64_t current_output_frame_start = static_cast<int64_t>(
        round(cumulative_output_frames_ * average_frame_step_samples_));
-    ABSL_CHECK_EQ(current_output_frame_start, cumulative_completed_samples_);
+    CHECK_EQ(current_output_frame_start, cumulative_completed_samples_);
    const int64_t next_output_frame_start = static_cast<int64_t>(
        round((cumulative_output_frames_ + 1) * average_frame_step_samples_));
    return next_output_frame_start - current_output_frame_start;
@ -127,174 +142,61 @@ class TimeSeriesFramerCalculator : public CalculatorBase {
  Timestamp initial_input_timestamp_;
  // The current timestamp is updated along with the incoming packets.
  Timestamp current_timestamp_;
-
-  // Samples are buffered in a vector of sample blocks.
-  class SampleBlockBuffer {
-   public:
-    // Initializes the buffer.
-    void Init(double sample_rate, int num_channels) {
-      ts_units_per_sample_ = Timestamp::kTimestampUnitsPerSecond / sample_rate;
-      num_channels_ = num_channels;
-      num_samples_ = 0;
-      first_block_offset_ = 0;
-    }
-
-    // Number of channels, equal to the number of rows in each Matrix.
-    int num_channels() const { return num_channels_; }
-    // Total number of available samples over all blocks.
-    int num_samples() const { return num_samples_; }
-
-    // Pushes a new block of samples on the back of the buffer with `timestamp`
-    // being the input timestamp of the packet containing the Matrix.
-    void Push(const Matrix& samples, Timestamp timestamp);
-    // Copies `count` samples from the front of the buffer. If there are fewer
-    // samples than this, the result is zero padded to have `count` samples.
-    // The timestamp of the last copied sample is written to *last_timestamp.
-    // This output is used below to update `current_timestamp_`, which is only
-    // used when `use_local_timestamp` is true.
-    Matrix CopySamples(int count, Timestamp* last_timestamp) const;
-    // Drops `count` samples from the front of the buffer. If `count` exceeds
-    // `num_samples()`, the buffer is emptied.  Returns how many samples were
-    // dropped.
-    int DropSamples(int count);
-
-   private:
-    struct Block {
-      // Matrix of num_channels rows by num_samples columns, a block of possibly
-      // multiple samples.
-      Matrix samples;
-      // Timestamp of the first sample in the Block. This comes from the input
-      // packet's timestamp that contains this Matrix.
-      Timestamp timestamp;
-
-      Block() : timestamp(Timestamp::Unstarted()) {}
-      Block(const Matrix& samples, Timestamp timestamp)
-          : samples(samples), timestamp(timestamp) {}
-      int num_samples() const { return samples.cols(); }
-    };
-    std::vector<Block> blocks_;
-    // Number of timestamp units per sample. Used to compute timestamps as
-    // nth sample timestamp = base_timestamp + round(ts_units_per_sample_ * n).
-    double ts_units_per_sample_;
-    // Number of rows in each Matrix.
  int num_channels_;
-    // The total number of samples over all blocks, equal to
-    // (sum_i blocks_[i].num_samples()) - first_block_offset_.
-    int num_samples_;
-    // The number of samples in the first block that have been discarded. This
-    // way we can cheaply represent "partially discarding" a block.
-    int first_block_offset_;
-  } sample_buffer_;
+
+  // Each entry in this deque consists of a single sample, i.e. a
+  // single column vector, and its timestamp.
+  std::deque<std::pair<Matrix, Timestamp>> sample_buffer_;

  bool use_window_;
-  Eigen::RowVectorXf window_;
+  Matrix window_;

  bool use_local_timestamp_;
 };
 REGISTER_CALCULATOR(TimeSeriesFramerCalculator);

-void TimeSeriesFramerCalculator::SampleBlockBuffer::Push(const Matrix& samples,
-                                                         Timestamp timestamp) {
-  num_samples_ += samples.cols();
-  blocks_.emplace_back(samples, timestamp);
+void TimeSeriesFramerCalculator::EnqueueInput(CalculatorContext* cc) {
+  const Matrix& input_frame = cc->Inputs().Index(0).Get<Matrix>();
+
+  for (int i = 0; i < input_frame.cols(); ++i) {
+    sample_buffer_.emplace_back(std::make_pair(
+        input_frame.col(i), CurrentSampleTimestamp(cc->InputTimestamp(), i)));
+  }
 }

-Matrix TimeSeriesFramerCalculator::SampleBlockBuffer::CopySamples(
-    int count, Timestamp* last_timestamp) const {
-  Matrix copied(num_channels_, count);
-
-  if (!blocks_.empty()) {
-    int num_copied = 0;
-    // First block has an offset for samples that have been discarded.
-    int offset = first_block_offset_;
-    int n;
-    Timestamp last_block_ts;
-    int last_sample_index;
-
-    for (auto it = blocks_.begin(); it != blocks_.end() && count > 0; ++it) {
-      n = std::min(it->num_samples() - offset, count);
-      // Copy `n` samples from the next block.
-      copied.middleCols(num_copied, n) = it->samples.middleCols(offset, n);
-      count -= n;
-      num_copied += n;
-      last_block_ts = it->timestamp;
-      last_sample_index = offset + n - 1;
-      offset = 0;  // No samples have been discarded in subsequent blocks.
-    }
-
-    // Compute the timestamp of the last copied sample.
-    *last_timestamp =
-        last_block_ts + std::round(ts_units_per_sample_ * last_sample_index);
-  }
-
-  if (count > 0) {
-    copied.rightCols(count).setZero();  // Zero pad if needed.
-  }
-
-  return copied;
-}
-
-int TimeSeriesFramerCalculator::SampleBlockBuffer::DropSamples(int count) {
-  if (blocks_.empty()) {
-    return 0;
-  }
-
-  auto block_it = blocks_.begin();
-  if (first_block_offset_ + count < block_it->num_samples()) {
-    // `count` is less than the remaining samples in the first block.
-    first_block_offset_ += count;
-    num_samples_ -= count;
-    return count;
-  }
-
-  int num_samples_dropped = block_it->num_samples() - first_block_offset_;
-  count -= num_samples_dropped;
-  first_block_offset_ = 0;
-
-  for (++block_it; block_it != blocks_.end(); ++block_it) {
-    if (block_it->num_samples() > count) {
-      break;
-    }
-    num_samples_dropped += block_it->num_samples();
-    count -= block_it->num_samples();
-  }
-
-  blocks_.erase(blocks_.begin(), block_it);  // Drop whole blocks.
-  if (!blocks_.empty()) {
-    first_block_offset_ = count;  // Drop part of the next block.
-    num_samples_dropped += count;
-  }
-
-  num_samples_ -= num_samples_dropped;
-  return num_samples_dropped;
-}
-
-absl::Status TimeSeriesFramerCalculator::Process(CalculatorContext* cc) {
-  if (initial_input_timestamp_ == Timestamp::Unstarted()) {
-    initial_input_timestamp_ = cc->InputTimestamp();
-    current_timestamp_ = initial_input_timestamp_;
-  }
-
-  // Add input data to the internal buffer.
-  sample_buffer_.Push(cc->Inputs().Index(0).Get<Matrix>(),
-                      cc->InputTimestamp());
-
-  // Construct and emit framed output packets.
-  while (sample_buffer_.num_samples() >=
+void TimeSeriesFramerCalculator::FrameOutput(CalculatorContext* cc) {
+  while (sample_buffer_.size() >=
         frame_duration_samples_ + samples_still_to_drop_) {
-    sample_buffer_.DropSamples(samples_still_to_drop_);
-    Matrix output_frame = sample_buffer_.CopySamples(frame_duration_samples_,
-                                                     &current_timestamp_);
+    while (samples_still_to_drop_ > 0) {
+      sample_buffer_.pop_front();
+      --samples_still_to_drop_;
+    }
    const int frame_step_samples = next_frame_step_samples();
-    samples_still_to_drop_ = frame_step_samples;
+    std::unique_ptr<Matrix> output_frame(
+        new Matrix(num_channels_, frame_duration_samples_));
+    for (int i = 0; i < std::min(frame_step_samples, frame_duration_samples_);
+         ++i) {
+      output_frame->col(i) = sample_buffer_.front().first;
+      current_timestamp_ = sample_buffer_.front().second;
+      sample_buffer_.pop_front();
+    }
+    const int frame_overlap_samples =
+        frame_duration_samples_ - frame_step_samples;
+    if (frame_overlap_samples > 0) {
+      for (int i = 0; i < frame_overlap_samples; ++i) {
+        output_frame->col(i + frame_step_samples) = sample_buffer_[i].first;
+        current_timestamp_ = sample_buffer_[i].second;
+      }
+    } else {
+      samples_still_to_drop_ = -frame_overlap_samples;
+    }

    if (use_window_) {
-      // Apply the window to each row of output_frame.
-      output_frame.array().rowwise() *= window_.array();
+      *output_frame = (output_frame->array() * window_.array()).matrix();
    }

-    cc->Outputs().Index(0).AddPacket(MakePacket<Matrix>(std::move(output_frame))
-                                         .At(CurrentOutputTimestamp()));
+    cc->Outputs().Index(0).Add(output_frame.release(),
+                               CurrentOutputTimestamp());
    ++cumulative_output_frames_;
    cumulative_completed_samples_ += frame_step_samples;
  }
@ -304,18 +206,35 @@ absl::Status TimeSeriesFramerCalculator::Process(CalculatorContext* cc) {
    // fact to enable packet queueing optimizations.
    cc->Outputs().Index(0).SetNextTimestampBound(CumulativeOutputTimestamp());
  }
+}
+
+absl::Status TimeSeriesFramerCalculator::Process(CalculatorContext* cc) {
+  if (initial_input_timestamp_ == Timestamp::Unstarted()) {
+    initial_input_timestamp_ = cc->InputTimestamp();
+    current_timestamp_ = initial_input_timestamp_;
+  }
+
+  EnqueueInput(cc);
+  FrameOutput(cc);

  return absl::OkStatus();
 }

 absl::Status TimeSeriesFramerCalculator::Close(CalculatorContext* cc) {
-  sample_buffer_.DropSamples(samples_still_to_drop_);
+  while (samples_still_to_drop_ > 0 && !sample_buffer_.empty()) {
+    sample_buffer_.pop_front();
+    --samples_still_to_drop_;
+  }
+  if (!sample_buffer_.empty() && pad_final_packet_) {
+    std::unique_ptr<Matrix> output_frame(new Matrix);
+    output_frame->setZero(num_channels_, frame_duration_samples_);
+    for (int i = 0; i < sample_buffer_.size(); ++i) {
+      output_frame->col(i) = sample_buffer_[i].first;
+      current_timestamp_ = sample_buffer_[i].second;
+    }

-  if (sample_buffer_.num_samples() > 0 && pad_final_packet_) {
-    Matrix output_frame = sample_buffer_.CopySamples(frame_duration_samples_,
-                                                     &current_timestamp_);
-    cc->Outputs().Index(0).AddPacket(MakePacket<Matrix>(std::move(output_frame))
-                                         .At(CurrentOutputTimestamp()));
+    cc->Outputs().Index(0).Add(output_frame.release(),
+                               CurrentOutputTimestamp());
  }

  return absl::OkStatus();
@ -339,7 +258,7 @@ absl::Status TimeSeriesFramerCalculator::Open(CalculatorContext* cc) {
      cc->Inputs().Index(0).Header(), &input_header));

  sample_rate_ = input_header.sample_rate();
-  sample_buffer_.Init(sample_rate_, input_header.num_channels());
+  num_channels_ = input_header.num_channels();
  frame_duration_samples_ = time_series_util::SecondsToSamples(
      framer_options.frame_duration_seconds(), sample_rate_);
  RET_CHECK_GT(frame_duration_samples_, 0)
@ -393,7 +312,8 @@ absl::Status TimeSeriesFramerCalculator::Open(CalculatorContext* cc) {
  }

  if (use_window_) {
-    window_ = Eigen::Map<Eigen::RowVectorXd>(window_vector.data(),
+    window_ = Matrix::Ones(num_channels_, 1) *
+              Eigen::Map<Eigen::MatrixXd>(window_vector.data(), 1,
                                          frame_duration_samples_)
                  .cast<float>();
  }
--- a/mediapipe/calculators/audio/time_series_framer_calculator.proto
+++ b/mediapipe/calculators/audio/time_series_framer_calculator.proto
@ -66,7 +66,7 @@ message TimeSeriesFramerCalculatorOptions {
  // If use_local_timestamp is true, the output packet's timestamp is based on
  // the last sample of the packet and it's inferred from the latest input
  // packet's timestamp.  If false, the output packet's timestamp is based on
-  // the cumulative timestamping, which is inferred from the initial input
+  // the cumulative timestamping, which is inferred from the intial input
  // timestamp and the cumulative number of samples.
  optional bool use_local_timestamp = 6 [default = false];
 }
--- a/mediapipe/calculators/audio/time_series_framer_calculator_benchmark.cc
+++ b/mediapipe/calculators/audio/time_series_framer_calculator_benchmark.cc
@ -1,93 +0,0 @@
-// Copyright 2023 The MediaPipe Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// Benchmark for TimeSeriesFramerCalculator.
-#include <memory>
-#include <random>
-#include <vector>
-
-#include "absl/log/absl_check.h"
-#include "benchmark/benchmark.h"
-#include "mediapipe/calculators/audio/time_series_framer_calculator.pb.h"
-#include "mediapipe/framework/calculator_framework.h"
-#include "mediapipe/framework/formats/matrix.h"
-#include "mediapipe/framework/formats/time_series_header.pb.h"
-#include "mediapipe/framework/packet.h"
-
-using ::mediapipe::Matrix;
-
-void BM_TimeSeriesFramerCalculator(benchmark::State& state) {
-  constexpr float kSampleRate = 32000.0;
-  constexpr int kNumChannels = 2;
-  constexpr int kFrameDurationSeconds = 5.0;
-  std::mt19937 rng(0 /*seed*/);
-  // Input around a half second's worth of samples at a time.
-  std::uniform_int_distribution<int> input_size_dist(15000, 17000);
-  // Generate a pool of random blocks of samples up front.
-  std::vector<Matrix> sample_pool;
-  sample_pool.reserve(20);
-  for (int i = 0; i < 20; ++i) {
-    sample_pool.push_back(Matrix::Random(kNumChannels, input_size_dist(rng)));
-  }
-  std::uniform_int_distribution<int> pool_index_dist(0, sample_pool.size() - 1);
-
-  mediapipe::CalculatorGraphConfig config;
-  config.add_input_stream("input");
-  config.add_output_stream("output");
-  auto* node = config.add_node();
-  node->set_calculator("TimeSeriesFramerCalculator");
-  node->add_input_stream("input");
-  node->add_output_stream("output");
-  mediapipe::TimeSeriesFramerCalculatorOptions* options =
-      node->mutable_options()->MutableExtension(
-          mediapipe::TimeSeriesFramerCalculatorOptions::ext);
-  options->set_frame_duration_seconds(kFrameDurationSeconds);
-
-  for (auto _ : state) {
-    state.PauseTiming();  // Pause benchmark timing.
-
-    // Prepare input packets of random blocks of samples.
-    std::vector<mediapipe::Packet> input_packets;
-    input_packets.reserve(32);
-    float t = 0;
-    for (int i = 0; i < 32; ++i) {
-      auto samples =
-          std::make_unique<Matrix>(sample_pool[pool_index_dist(rng)]);
-      const int num_samples = samples->cols();
-      input_packets.push_back(mediapipe::Adopt(samples.release())
-                                  .At(mediapipe::Timestamp::FromSeconds(t)));
-      t += num_samples / kSampleRate;
-    }
-    // Initialize graph.
-    mediapipe::CalculatorGraph graph;
-    ABSL_CHECK_OK(graph.Initialize(config));
-    // Prepare input header.
-    auto header = std::make_unique<mediapipe::TimeSeriesHeader>();
-    header->set_sample_rate(kSampleRate);
-    header->set_num_channels(kNumChannels);
-
-    state.ResumeTiming();  // Resume benchmark timing.
-
-    ABSL_CHECK_OK(graph.StartRun({}, {{"input", Adopt(header.release())}}));
-    for (auto& packet : input_packets) {
-      ABSL_CHECK_OK(graph.AddPacketToInputStream("input", packet));
-    }
-    ABSL_CHECK(!graph.HasError());
-    ABSL_CHECK_OK(graph.CloseAllInputStreams());
-    ABSL_CHECK_OK(graph.WaitUntilIdle());
-  }
-}
-BENCHMARK(BM_TimeSeriesFramerCalculator);
-
-BENCHMARK_MAIN();
--- a/mediapipe/calculators/audio/time_series_framer_calculator_test.cc
+++ b/mediapipe/calculators/audio/time_series_framer_calculator_test.cc
@ -19,7 +19,6 @@
 #include <vector>

 #include "Eigen/Core"
-#include "absl/log/absl_log.h"
 #include "audio/dsp/window_functions.h"
 #include "mediapipe/calculators/audio/time_series_framer_calculator.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
@ -187,12 +186,11 @@ class TimeSeriesFramerCalculatorTest
    const int num_unique_output_samples =
        round((output().packets.size() - 1) * frame_step_samples) +
        frame_duration_samples;
-    ABSL_LOG(INFO) << "packets.size()=" << output().packets.size()
+    LOG(INFO) << "packets.size()=" << output().packets.size()
              << " frame_duration_samples=" << frame_duration_samples
              << " frame_step_samples=" << frame_step_samples
              << " num_input_samples_=" << num_input_samples_
-                   << " num_unique_output_samples="
-                   << num_unique_output_samples;
+              << " num_unique_output_samples=" << num_unique_output_samples;
    const int num_padding_samples =
        num_unique_output_samples - num_input_samples_;
    if (options_.pad_final_packet()) {
--- a/mediapipe/calculators/core/BUILD
+++ b/mediapipe/calculators/core/BUILD
@ -21,10 +21,10 @@ licenses(["notice"])
 package(default_visibility = ["//visibility:public"])

 selects.config_setting_group(
-    name = "apple_or_disable_gpu",
+    name = "ios_or_disable_gpu",
    match_any = [
        "//mediapipe/gpu:disable_gpu",
-        "//mediapipe:apple",
+        "//mediapipe:ios",
    ],
 )

@ -117,7 +117,6 @@ mediapipe_proto_library(
        "//mediapipe/framework:calculator_proto",
        "//mediapipe/framework/formats:classification_proto",
        "//mediapipe/framework/formats:landmark_proto",
-        "//mediapipe/framework/formats:matrix_data_proto",
        "//mediapipe/framework/formats:time_series_header_proto",
    ],
 )
@ -193,19 +192,17 @@ cc_library(
        "//mediapipe/framework:calculator_context",
        "//mediapipe/framework:calculator_contract",
        "//mediapipe/framework:calculator_framework",
+        "//mediapipe/framework:collection_item_id",
        "//mediapipe/framework:packet",
        "//mediapipe/framework/formats:detection_cc_proto",
-        "//mediapipe/framework/formats:image",
-        "//mediapipe/framework/formats:image_frame",
        "//mediapipe/framework/formats:landmark_cc_proto",
        "//mediapipe/framework/formats:matrix",
        "//mediapipe/framework/formats:rect_cc_proto",
        "//mediapipe/framework/formats:tensor",
+        "//mediapipe/framework/port:integral_types",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
-        "//mediapipe/gpu:gpu_buffer",
        "@com_google_absl//absl/memory",
-        "@com_google_absl//absl/status",
    ],
    alwayslink = 1,
 )
@ -218,18 +215,18 @@ cc_library(
        "//mediapipe/framework:calculator_context",
        "//mediapipe/framework:calculator_contract",
        "//mediapipe/framework:calculator_framework",
+        "//mediapipe/framework:collection_item_id",
        "//mediapipe/framework/formats:classification_cc_proto",
        "//mediapipe/framework/formats:detection_cc_proto",
        "//mediapipe/framework/formats:image",
-        "//mediapipe/framework/formats:image_frame",
        "//mediapipe/framework/formats:landmark_cc_proto",
        "//mediapipe/framework/formats:matrix",
        "//mediapipe/framework/formats:rect_cc_proto",
        "//mediapipe/framework/formats:tensor",
+        "//mediapipe/framework/port:integral_types",
        "//mediapipe/framework/port:ret_check",
-        "//mediapipe/gpu:gpu_buffer",
+        "//mediapipe/framework/port:status",
        "//mediapipe/util:render_data_cc_proto",
-        "@com_google_absl//absl/status",
        "@org_tensorflow//tensorflow/lite:framework",
    ],
    alwayslink = 1,
@ -290,7 +287,6 @@ cc_library(
        "//mediapipe/framework/api2:node",
        "//mediapipe/framework/api2:port",
        "//mediapipe/framework/formats:classification_cc_proto",
-        "//mediapipe/framework/formats:image",
        "//mediapipe/framework/formats:landmark_cc_proto",
        "//mediapipe/framework/formats:tensor",
        "//mediapipe/framework/port:integral_types",
@ -299,7 +295,8 @@ cc_library(
        "//mediapipe/util:render_data_cc_proto",
        "@org_tensorflow//tensorflow/lite:framework",
    ] + select({
-        ":apple_or_disable_gpu": [],
+        "//mediapipe/gpu:disable_gpu": [],
+        "//mediapipe:ios": [],
        "//conditions:default": [
            "@org_tensorflow//tensorflow/lite/delegates/gpu/gl:gl_buffer",
        ],
@ -325,7 +322,6 @@ cc_library(
        ":concatenate_vector_calculator_cc_proto",
        "//mediapipe/framework:calculator_framework",
        "//mediapipe/framework/api2:node",
-        "//mediapipe/framework/formats:body_rig_cc_proto",
        "//mediapipe/framework/formats:classification_cc_proto",
        "//mediapipe/framework/formats:landmark_cc_proto",
        "//mediapipe/framework/port:ret_check",
@ -382,6 +378,17 @@ cc_library(
    alwayslink = 1,
 )

+cc_library(
+    name = "clip_detection_vector_size_calculator",
+    srcs = ["clip_detection_vector_size_calculator.cc"],
+    deps = [
+        ":clip_vector_size_calculator",
+        "//mediapipe/framework:calculator_framework",
+        "//mediapipe/framework/formats:detection_cc_proto",
+    ],
+    alwayslink = 1,
+)
+
 cc_test(
    name = "clip_vector_size_calculator_test",
    srcs = ["clip_vector_size_calculator_test.cc"],
@ -583,7 +590,6 @@ cc_library(
        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:status",
        "//mediapipe/framework/tool:options_util",
-        "@com_google_absl//absl/log:absl_check",
    ],
    alwayslink = 1,
 )
@ -599,7 +605,6 @@ cc_test(
        "//mediapipe/framework/formats:video_stream_header",
        "//mediapipe/framework/port:gtest_main",
        "//mediapipe/framework/port:integral_types",
-        "@com_google_absl//absl/log:absl_check",
        "@com_google_absl//absl/strings",
    ],
 )
@ -632,7 +637,6 @@ cc_library(
        "//mediapipe/framework:calculator_framework",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/log:absl_log",
    ],
    alwayslink = 1,
 )
@ -727,7 +731,6 @@ cc_library(
        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/status",
    ],
    alwayslink = 1,
 )
@ -743,7 +746,6 @@ cc_test(
        "//mediapipe/framework/port:parse_text_proto",
        "//mediapipe/framework/port:status",
        "//mediapipe/framework/tool:options_util",
-        "//mediapipe/util:packet_test_util",
        "@com_google_absl//absl/memory",
        "@com_google_absl//absl/strings",
    ],
@ -782,11 +784,10 @@ cc_library(
        "//mediapipe/framework/deps:random",
        "//mediapipe/framework/formats:video_stream_header",
        "//mediapipe/framework/port:integral_types",
+        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
        "//mediapipe/framework/tool:options_util",
-        "@com_google_absl//absl/log:absl_check",
-        "@com_google_absl//absl/log:absl_log",
        "@com_google_absl//absl/strings",
    ],
    alwayslink = 1,
@ -842,7 +843,6 @@ cc_test(
        "//mediapipe/framework/port:gtest_main",
        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/tool:validate_type",
-        "@com_google_absl//absl/log:absl_check",
        "@eigen_archive//:eigen3",
    ],
 )
@ -904,7 +904,6 @@ cc_library(
        "//mediapipe/framework:calculator_framework",
        "//mediapipe/framework/formats:classification_cc_proto",
        "//mediapipe/framework/formats:detection_cc_proto",
-        "//mediapipe/framework/formats:image",
        "//mediapipe/framework/formats:landmark_cc_proto",
        "//mediapipe/framework/formats:matrix",
        "//mediapipe/framework/formats:rect_cc_proto",
@ -915,7 +914,7 @@ cc_library(
        "@org_tensorflow//tensorflow/lite:framework",
        "@org_tensorflow//tensorflow/lite/kernels:builtin_ops",
    ] + select({
-        ":apple_or_disable_gpu": [],
+        ":ios_or_disable_gpu": [],
        "//conditions:default": [
            "@org_tensorflow//tensorflow/lite/delegates/gpu/gl:gl_buffer",
        ],
@ -947,7 +946,6 @@ cc_library(
    deps = [
        ":split_vector_calculator_cc_proto",
        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework/formats:body_rig_cc_proto",
        "//mediapipe/framework/formats:landmark_cc_proto",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
@ -1031,7 +1029,6 @@ cc_library(
        "//mediapipe/framework:calculator_framework",
        "//mediapipe/framework/api2:node",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/log:absl_log",
    ],
    alwayslink = 1,
 )
@ -1070,7 +1067,6 @@ cc_test(
        "//mediapipe/framework:calculator_runner",
        "//mediapipe/framework/port:gtest_main",
        "//mediapipe/framework/port:parse_text_proto",
-        "@com_google_absl//absl/log:absl_log",
    ],
 )

@ -1117,7 +1113,6 @@ cc_library(
        "//mediapipe/framework/api2:node",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/log:absl_log",
    ],
    alwayslink = 1,
 )
@ -1141,7 +1136,6 @@ cc_library(
    deps = [
        "//mediapipe/framework:calculator_framework",
        "//mediapipe/framework:timestamp",
-        "//mediapipe/framework/api2:node",
        "//mediapipe/framework/port:status",
    ],
    alwayslink = 1,
@ -1170,7 +1164,6 @@ cc_library(
        "//mediapipe/framework:collection_item_id",
        "//mediapipe/framework/formats:classification_cc_proto",
        "//mediapipe/framework/formats:landmark_cc_proto",
-        "//mediapipe/framework/formats:matrix_data_cc_proto",
        "//mediapipe/framework/formats:time_series_header_cc_proto",
        "//mediapipe/framework/port:integral_types",
        "//mediapipe/framework/port:ret_check",
@ -1245,7 +1238,6 @@ cc_library(
        "//mediapipe/framework/formats:classification_cc_proto",
        "//mediapipe/framework/formats:detection_cc_proto",
        "//mediapipe/framework/formats:landmark_cc_proto",
-        "//mediapipe/framework/formats:rect_cc_proto",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
    ],
@ -1393,26 +1385,3 @@ cc_test(
        "@com_google_absl//absl/types:optional",
    ],
 )
-
-cc_library(
-    name = "value_or_default_calculator",
-    srcs = ["value_or_default_calculator.cc"],
-    visibility = ["//visibility:public"],
-    deps = [
-        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework/port:status",
-    ],
-    alwayslink = True,
-)
-
-cc_test(
-    name = "value_or_default_calculator_test",
-    srcs = ["value_or_default_calculator_test.cc"],
-    deps = [
-        ":value_or_default_calculator",
-        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework:calculator_runner",
-        "//mediapipe/framework:packet",
-        "//mediapipe/framework/port:gtest_main",
-    ],
-)
--- a/mediapipe/calculators/core/begin_end_loop_calculator_graph_test.cc
+++ b/mediapipe/calculators/core/begin_end_loop_calculator_graph_test.cc
@ -13,7 +13,6 @@
 // limitations under the License.

 #include <string>
-#include <utility>
 #include <vector>

 #include "absl/memory/memory.h"
@ -164,75 +163,6 @@ TEST_F(BeginEndLoopCalculatorGraphTest, MultipleVectors) {
                  PacketOfIntsEq(input_timestamp2, std::vector<int>{3, 4})));
 }

-TEST(BeginEndLoopCalculatorPossibleDataRaceTest,
-     EndLoopForIntegersDoesNotRace) {
-  auto graph_config = ParseTextProtoOrDie<CalculatorGraphConfig>(
-      R"pb(
-        num_threads: 4
-        input_stream: "ints"
-        node {
-          calculator: "BeginLoopIntegerCalculator"
-          input_stream: "ITERABLE:ints"
-          output_stream: "ITEM:int"
-          output_stream: "BATCH_END:timestamp"
-        }
-        node {
-          calculator: "IncrementCalculator"
-          input_stream: "int"
-          output_stream: "int_plus_one"
-        }
-        # BEGIN: Data race possibility
-        # EndLoop###Calculator and another calculator using the same input
-        # may introduce race due to EndLoop###Calculator possibly consuming
-        # packet.
-        node {
-          calculator: "EndLoopIntegersCalculator"
-          input_stream: "ITEM:int_plus_one"
-          input_stream: "BATCH_END:timestamp"
-          output_stream: "ITERABLE:ints_plus_one"
-        }
-        node {
-          calculator: "IncrementCalculator"
-          input_stream: "int_plus_one"
-          output_stream: "int_plus_two"
-        }
-        # END: Data race possibility
-        node {
-          calculator: "EndLoopIntegersCalculator"
-          input_stream: "ITEM:int_plus_two"
-          input_stream: "BATCH_END:timestamp"
-          output_stream: "ITERABLE:ints_plus_two"
-        }
-      )pb");
-  std::vector<Packet> int_plus_one_packets;
-  tool::AddVectorSink("ints_plus_one", &graph_config, &int_plus_one_packets);
-  std::vector<Packet> int_original_packets;
-  tool::AddVectorSink("ints_plus_two", &graph_config, &int_original_packets);
-
-  CalculatorGraph graph;
-  MP_ASSERT_OK(graph.Initialize(graph_config));
-  MP_ASSERT_OK(graph.StartRun({}));
-  for (int i = 0; i < 100; ++i) {
-    std::vector<int> ints = {i, i + 1, i + 2};
-    Timestamp ts = Timestamp(i);
-    MP_ASSERT_OK(graph.AddPacketToInputStream(
-        "ints", MakePacket<std::vector<int>>(std::move(ints)).At(ts)));
-    MP_ASSERT_OK(graph.WaitUntilIdle());
-    EXPECT_THAT(int_plus_one_packets,
-                testing::ElementsAre(
-                    PacketOfIntsEq(ts, std::vector<int>{i + 1, i + 2, i + 3})));
-    EXPECT_THAT(int_original_packets,
-                testing::ElementsAre(
-                    PacketOfIntsEq(ts, std::vector<int>{i + 2, i + 3, i + 4})));
-
-    int_plus_one_packets.clear();
-    int_original_packets.clear();
-  }
-
-  MP_ASSERT_OK(graph.CloseAllPacketSources());
-  MP_ASSERT_OK(graph.WaitUntilDone());
-}
-
 // Passes non empty vector through or outputs empty vector in case of timestamp
 // bound update.
 class PassThroughOrEmptyVectorCalculator : public CalculatorBase {
--- a/mediapipe/calculators/core/begin_loop_calculator.cc
+++ b/mediapipe/calculators/core/begin_loop_calculator.cc
@ -17,13 +17,10 @@
 #include <vector>

 #include "mediapipe/framework/formats/detection.pb.h"
-#include "mediapipe/framework/formats/image.h"
-#include "mediapipe/framework/formats/image_frame.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
 #include "mediapipe/framework/formats/matrix.h"
 #include "mediapipe/framework/formats/rect.pb.h"
 #include "mediapipe/framework/formats/tensor.h"
-#include "mediapipe/gpu/gpu_buffer.h"

 namespace mediapipe {

@ -63,22 +60,4 @@ REGISTER_CALCULATOR(BeginLoopUint64tCalculator);
 typedef BeginLoopCalculator<std::vector<Tensor>> BeginLoopTensorCalculator;
 REGISTER_CALCULATOR(BeginLoopTensorCalculator);

-// A calculator to process std::vector<mediapipe::ImageFrame>.
-typedef BeginLoopCalculator<std::vector<ImageFrame>>
-    BeginLoopImageFrameCalculator;
-REGISTER_CALCULATOR(BeginLoopImageFrameCalculator);
-
-// A calculator to process std::vector<mediapipe::GpuBuffer>.
-typedef BeginLoopCalculator<std::vector<GpuBuffer>>
-    BeginLoopGpuBufferCalculator;
-REGISTER_CALCULATOR(BeginLoopGpuBufferCalculator);
-
-// A calculator to process std::vector<mediapipe::Image>.
-typedef BeginLoopCalculator<std::vector<Image>> BeginLoopImageCalculator;
-REGISTER_CALCULATOR(BeginLoopImageCalculator);
-
-// A calculator to process std::vector<float>.
-typedef BeginLoopCalculator<std::vector<float>> BeginLoopFloatCalculator;
-REGISTER_CALCULATOR(BeginLoopFloatCalculator);
-
 }  // namespace mediapipe
--- a/mediapipe/calculators/core/begin_loop_calculator.h
+++ b/mediapipe/calculators/core/begin_loop_calculator.h
@ -15,57 +15,47 @@
 #ifndef MEDIAPIPE_CALCULATORS_CORE_BEGIN_LOOP_CALCULATOR_H_
 #define MEDIAPIPE_CALCULATORS_CORE_BEGIN_LOOP_CALCULATOR_H_

-#include "absl/status/status.h"
 #include "mediapipe/framework/calculator_context.h"
 #include "mediapipe/framework/calculator_contract.h"
 #include "mediapipe/framework/calculator_framework.h"
+#include "mediapipe/framework/collection_item_id.h"
 #include "mediapipe/framework/packet.h"
+#include "mediapipe/framework/port/integral_types.h"
 #include "mediapipe/framework/port/ret_check.h"
+#include "mediapipe/framework/port/status.h"
+#include "mediapipe/framework/port/status_macros.h"

 namespace mediapipe {

 // Calculator for implementing loops on iterable collections inside a MediaPipe
-// graph. Assume InputIterT is an iterable for type InputT, and OutputIterT is
-// an iterable for type OutputT, e.g. vector<InputT> and vector<OutputT>.
-// First, instantiate specializations in the loop calculators' implementations
-// if missing:
-//   BeginLoopInputTCalculator = BeginLoopCalculator<InputIterT>
-//   EndLoopOutputTCalculator = EndLoopCalculator<OutputIterT>
-// Then, the following graph transforms an item of type InputIterT to an
-// OutputIterT by applying InputToOutputConverter to every element:
+// graph.
 //
-// node {                                        # Type        @timestamp
-//   calculator:    "BeginLoopInputTCalculator"
-//   input_stream:  "ITERABLE:input_iterable"    # InputIterT  @iterable_ts
-//   input_stream:  "CLONE:extra_input"          # ExtraT      @extra_ts
-//   output_stream: "ITEM:input_iterator"        # InputT      @loop_internal_ts
-//   output_stream: "CLONE:cloned_extra_input"   # ExtraT      @loop_internal_ts
-//   output_stream: "BATCH_END:iterable_ts"      # Timestamp   @loop_internal_ts
+// It is designed to be used like:
+//
+// node {
+//   calculator:    "BeginLoopWithIterableCalculator"
+//   input_stream:  "ITERABLE:input_iterable"      # IterableT @ext_ts
+//   output_stream: "ITEM:input_element"           # ItemT     @loop_internal_ts
+//   output_stream: "BATCH_END:ext_ts"             # Timestamp @loop_internal_ts
 // }
 //
 // node {
-//   calculator:    "InputToOutputConverter"
-//   input_stream:  "INPUT:input_iterator"       # InputT      @loop_internal_ts
-//   input_stream:  "EXTRA:cloned_extra_input"   # ExtraT      @loop_internal_ts
-//   output_stream: "OUTPUT:output_iterator"     # OutputT     @loop_internal_ts
+//   calculator:    "ElementToBlaConverterSubgraph"
+//   input_stream:  "ITEM:input_to_loop_body"      # ItemT     @loop_internal_ts
+//   output_stream: "BLA:output_of_loop_body"      # ItemU     @loop_internal_ts
 // }
 //
 // node {
-//   calculator:    "EndLoopOutputTCalculator"
-//   input_stream:  "ITEM:output_iterator"       # OutputT     @loop_internal_ts
-//   input_stream:  "BATCH_END:iterable_ts"      # Timestamp   @loop_internal_ts
-//   output_stream: "ITERABLE:output_iterable"   # OutputIterT @iterable_ts
+//   calculator:    "EndLoopWithOutputCalculator"
+//   input_stream:  "ITEM:output_of_loop_body"     # ItemU     @loop_internal_ts
+//   input_stream:  "BATCH_END:ext_ts"             # Timestamp @loop_internal_ts
+//   output_stream: "ITERABLE:aggregated_result"   # IterableU @ext_ts
 // }
 //
-// The resulting 'output_iterable' has the same timestamp as 'input_iterable'.
-// The output packets of this calculator are part of the loop body and have
-// loop-internal timestamps that are unrelated to the input iterator timestamp.
-//
 // Input streams tagged with "CLONE" are cloned to the corresponding output
-// streams at loop-internal timestamps. This ensures that a MediaPipe graph or
-// sub-graph can run multiple times, once per element in the "ITERABLE" for each
-// packet clone of the packets in the "CLONE" input streams. Think of CLONEd
-// inputs as loop-wide constants.
+// streams at loop timestamps. This ensures that a MediaPipe graph or sub-graph
+// can run multiple times, once per element in the "ITERABLE" for each pakcet
+// clone of the packets in the "CLONE" input streams.
 template <typename IterableT>
 class BeginLoopCalculator : public CalculatorBase {
  using ItemT = typename IterableT::value_type;
--- a/mediapipe/calculators/core/bypass_calculator.cc
+++ b/mediapipe/calculators/core/bypass_calculator.cc
@ -92,7 +92,7 @@ class BypassCalculator : public Node {
    auto options = cc->Options<BypassCalculatorOptions>();
    RET_CHECK_EQ(options.pass_input_stream().size(),
                 options.pass_output_stream().size());
-    MP_ASSIGN_OR_RETURN(
+    ASSIGN_OR_RETURN(
        auto pass_streams,
        GetPassMap(options, *cc->Inputs().TagMap(), *cc->Outputs().TagMap()));
    std::set<CollectionItemId> pass_out;
@ -121,9 +121,8 @@ class BypassCalculator : public Node {
  // Saves the map of passthrough input and output stream ids.
  absl::Status Open(CalculatorContext* cc) override {
    auto options = cc->Options<BypassCalculatorOptions>();
-    MP_ASSIGN_OR_RETURN(
-        pass_streams_,
-        GetPassMap(options, *cc->Inputs().TagMap(), *cc->Outputs().TagMap()));
+    ASSIGN_OR_RETURN(pass_streams_, GetPassMap(options, *cc->Inputs().TagMap(),
+                                               *cc->Outputs().TagMap()));
    return absl::OkStatus();
  }

--- a/mediapipe/tasks/ios/vision/face_stylizer/sources/MPPFaceStylizerOptions.h
+++ b/mediapipe/tasks/ios/vision/face_stylizer/sources/MPPFaceStylizerOptions.h
@ -1,4 +1,4 @@
-// Copyright 2023 The MediaPipe Authors.
+// Copyright 2019 The MediaPipe Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@ -12,16 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#import <Foundation/Foundation.h>
+#include <vector>

-#import "mediapipe/tasks/ios/core/sources/MPPTaskOptions.h"
+#include "mediapipe/calculators/core/clip_vector_size_calculator.h"
+#include "mediapipe/framework/formats/detection.pb.h"

-NS_ASSUME_NONNULL_BEGIN
+namespace mediapipe {

-/** Options for setting up a `FaceStylizer`. */
-NS_SWIFT_NAME(FaceStylizerOptions)
-@interface MPPFaceStylizerOptions : MPPTaskOptions <NSCopying>
+typedef ClipVectorSizeCalculator<::mediapipe::Detection>
+    ClipDetectionVectorSizeCalculator;
+REGISTER_CALCULATOR(ClipDetectionVectorSizeCalculator);

-@end
-
-NS_ASSUME_NONNULL_END
+}  // namespace mediapipe
--- a/mediapipe/calculators/core/concatenate_proto_list_calculator.cc
+++ b/mediapipe/calculators/core/concatenate_proto_list_calculator.cc
@ -18,7 +18,6 @@
 #include "mediapipe/calculators/core/concatenate_vector_calculator.pb.h"
 #include "mediapipe/framework/api2/node.h"
 #include "mediapipe/framework/calculator_framework.h"
-#include "mediapipe/framework/formats/body_rig.pb.h"
 #include "mediapipe/framework/formats/classification.pb.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
 #include "mediapipe/framework/port/canonical_errors.h"
@ -129,19 +128,6 @@ class ConcatenateClassificationListCalculator
 };
 MEDIAPIPE_REGISTER_NODE(ConcatenateClassificationListCalculator);

-class ConcatenateJointListCalculator
-    : public ConcatenateListsCalculator<Joint, JointList> {
- protected:
-  int ListSize(const JointList& list) const override {
-    return list.joint_size();
-  }
-  const Joint GetItem(const JointList& list, int idx) const override {
-    return list.joint(idx);
-  }
-  Joint* AddItem(JointList& list) const override { return list.add_joint(); }
-};
-MEDIAPIPE_REGISTER_NODE(ConcatenateJointListCalculator);
-
 }  // namespace api2
 }  // namespace mediapipe

--- a/mediapipe/calculators/core/concatenate_vector_calculator.cc
+++ b/mediapipe/calculators/core/concatenate_vector_calculator.cc
@ -17,7 +17,6 @@
 #include <vector>

 #include "mediapipe/framework/formats/classification.pb.h"
-#include "mediapipe/framework/formats/image.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
 #include "mediapipe/framework/formats/tensor.h"
 #include "mediapipe/framework/port/integral_types.h"
@ -56,10 +55,6 @@ MEDIAPIPE_REGISTER_NODE(ConcatenateUInt64VectorCalculator);
 typedef ConcatenateVectorCalculator<bool> ConcatenateBoolVectorCalculator;
 MEDIAPIPE_REGISTER_NODE(ConcatenateBoolVectorCalculator);

-typedef ConcatenateVectorCalculator<std::string>
-    ConcatenateStringVectorCalculator;
-MEDIAPIPE_REGISTER_NODE(ConcatenateStringVectorCalculator);
-
 // Example config:
 // node {
 //   calculator: "ConcatenateTfLiteTensorVectorCalculator"
@ -105,7 +100,4 @@ typedef ConcatenateVectorCalculator<mediapipe::RenderData>
    ConcatenateRenderDataVectorCalculator;
 MEDIAPIPE_REGISTER_NODE(ConcatenateRenderDataVectorCalculator);

-typedef ConcatenateVectorCalculator<mediapipe::Image>
-    ConcatenateImageVectorCalculator;
-MEDIAPIPE_REGISTER_NODE(ConcatenateImageVectorCalculator);
 }  // namespace mediapipe
--- a/mediapipe/calculators/core/concatenate_vector_calculator_test.cc
+++ b/mediapipe/calculators/core/concatenate_vector_calculator_test.cc
@ -30,15 +30,13 @@ namespace mediapipe {
 typedef ConcatenateVectorCalculator<int> TestConcatenateIntVectorCalculator;
 MEDIAPIPE_REGISTER_NODE(TestConcatenateIntVectorCalculator);

-template <typename T>
-void AddInputVector(int index, const std::vector<T>& input, int64_t timestamp,
+void AddInputVector(int index, const std::vector<int>& input, int64_t timestamp,
                    CalculatorRunner* runner) {
  runner->MutableInputs()->Index(index).packets.push_back(
-      MakePacket<std::vector<T>>(input).At(Timestamp(timestamp)));
+      MakePacket<std::vector<int>>(input).At(Timestamp(timestamp)));
 }

-template <typename T>
-void AddInputVectors(const std::vector<std::vector<T>>& inputs,
+void AddInputVectors(const std::vector<std::vector<int>>& inputs,
                     int64_t timestamp, CalculatorRunner* runner) {
  for (int i = 0; i < inputs.size(); ++i) {
    AddInputVector(i, inputs[i], timestamp, runner);
@ -384,23 +382,6 @@ TEST(ConcatenateFloatVectorCalculatorTest, OneEmptyStreamNoOutput) {
  EXPECT_EQ(0, outputs.size());
 }

-TEST(ConcatenateStringVectorCalculatorTest, OneTimestamp) {
-  CalculatorRunner runner("ConcatenateStringVectorCalculator",
-                          /*options_string=*/"", /*num_inputs=*/3,
-                          /*num_outputs=*/1, /*num_side_packets=*/0);
-
-  std::vector<std::vector<std::string>> inputs = {
-      {"a", "b"}, {"c"}, {"d", "e", "f"}};
-  AddInputVectors(inputs, /*timestamp=*/1, &runner);
-  MP_ASSERT_OK(runner.Run());
-
-  const std::vector<Packet>& outputs = runner.Outputs().Index(0).packets;
-  EXPECT_EQ(1, outputs.size());
-  EXPECT_EQ(Timestamp(1), outputs[0].Timestamp());
-  std::vector<std::string> expected_vector = {"a", "b", "c", "d", "e", "f"};
-  EXPECT_EQ(expected_vector, outputs[0].Get<std::vector<std::string>>());
-}
-
 typedef ConcatenateVectorCalculator<std::unique_ptr<int>>
    TestConcatenateUniqueIntPtrCalculator;
 MEDIAPIPE_REGISTER_NODE(TestConcatenateUniqueIntPtrCalculator);
--- a/mediapipe/calculators/core/constant_side_packet_calculator.cc
+++ b/mediapipe/calculators/core/constant_side_packet_calculator.cc
@ -19,7 +19,6 @@
 #include "mediapipe/framework/collection_item_id.h"
 #include "mediapipe/framework/formats/classification.pb.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
-#include "mediapipe/framework/formats/matrix_data.pb.h"
 #include "mediapipe/framework/formats/time_series_header.pb.h"
 #include "mediapipe/framework/port/canonical_errors.h"
 #include "mediapipe/framework/port/integral_types.h"
@ -79,19 +78,15 @@ class ConstantSidePacketCalculator : public CalculatorBase {
      } else if (packet_options.has_string_value()) {
        packet.Set<std::string>();
      } else if (packet_options.has_uint64_value()) {
-        packet.Set<uint64_t>();
+        packet.Set<uint64>();
      } else if (packet_options.has_classification_list_value()) {
        packet.Set<ClassificationList>();
      } else if (packet_options.has_landmark_list_value()) {
        packet.Set<LandmarkList>();
      } else if (packet_options.has_double_value()) {
        packet.Set<double>();
-      } else if (packet_options.has_matrix_data_value()) {
-        packet.Set<MatrixData>();
      } else if (packet_options.has_time_series_header_value()) {
        packet.Set<TimeSeriesHeader>();
-      } else if (packet_options.has_int64_value()) {
-        packet.Set<int64_t>();
      } else {
        return absl::InvalidArgumentError(
            "None of supported values were specified in options.");
@ -117,7 +112,7 @@ class ConstantSidePacketCalculator : public CalculatorBase {
      } else if (packet_options.has_string_value()) {
        packet.Set(MakePacket<std::string>(packet_options.string_value()));
      } else if (packet_options.has_uint64_value()) {
-        packet.Set(MakePacket<uint64_t>(packet_options.uint64_value()));
+        packet.Set(MakePacket<uint64>(packet_options.uint64_value()));
      } else if (packet_options.has_classification_list_value()) {
        packet.Set(MakePacket<ClassificationList>(
            packet_options.classification_list_value()));
@ -126,13 +121,9 @@ class ConstantSidePacketCalculator : public CalculatorBase {
            MakePacket<LandmarkList>(packet_options.landmark_list_value()));
      } else if (packet_options.has_double_value()) {
        packet.Set(MakePacket<double>(packet_options.double_value()));
-      } else if (packet_options.has_matrix_data_value()) {
-        packet.Set(MakePacket<MatrixData>(packet_options.matrix_data_value()));
      } else if (packet_options.has_time_series_header_value()) {
        packet.Set(MakePacket<TimeSeriesHeader>(
            packet_options.time_series_header_value()));
-      } else if (packet_options.has_int64_value()) {
-        packet.Set(MakePacket<int64_t>(packet_options.int64_value()));
      } else {
        return absl::InvalidArgumentError(
            "None of supported values were specified in options.");
--- a/mediapipe/calculators/core/constant_side_packet_calculator.proto
+++ b/mediapipe/calculators/core/constant_side_packet_calculator.proto
@ -19,7 +19,6 @@ package mediapipe;
 import "mediapipe/framework/calculator.proto";
 import "mediapipe/framework/formats/classification.proto";
 import "mediapipe/framework/formats/landmark.proto";
-import "mediapipe/framework/formats/matrix_data.proto";
 import "mediapipe/framework/formats/time_series_header.proto";

 message ConstantSidePacketCalculatorOptions {
@ -30,16 +29,14 @@ message ConstantSidePacketCalculatorOptions {
  message ConstantSidePacket {
    oneof value {
      int32 int_value = 1;
-      uint64 uint64_value = 5;
-      int64 int64_value = 11;
      float float_value = 2;
-      double double_value = 9;
      bool bool_value = 3;
      string string_value = 4;
+      uint64 uint64_value = 5;
      ClassificationList classification_list_value = 6;
      LandmarkList landmark_list_value = 7;
+      double double_value = 9;
      TimeSeriesHeader time_series_header_value = 10;
-      MatrixData matrix_data_value = 12;
    }
  }

--- a/mediapipe/calculators/core/constant_side_packet_calculator_test.cc
+++ b/mediapipe/calculators/core/constant_side_packet_calculator_test.cc
@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#include <cstdint>
 #include <string>

 #include "absl/strings/string_view.h"
@ -59,7 +58,6 @@ TEST(ConstantSidePacketCalculatorTest, EveryPossibleType) {
  DoTestSingleSidePacket("{ float_value: 6.5f }", 6.5f);
  DoTestSingleSidePacket("{ bool_value: true }", true);
  DoTestSingleSidePacket<std::string>(R"({ string_value: "str" })", "str");
-  DoTestSingleSidePacket<int64_t>("{ int64_value: 63 }", 63);
 }

 TEST(ConstantSidePacketCalculatorTest, MultiplePackets) {
--- a/mediapipe/calculators/core/end_loop_calculator.cc
+++ b/mediapipe/calculators/core/end_loop_calculator.cc
@ -14,19 +14,15 @@

 #include "mediapipe/calculators/core/end_loop_calculator.h"

-#include <array>
-#include <utility>
 #include <vector>

 #include "mediapipe/framework/formats/classification.pb.h"
 #include "mediapipe/framework/formats/detection.pb.h"
 #include "mediapipe/framework/formats/image.h"
-#include "mediapipe/framework/formats/image_frame.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
 #include "mediapipe/framework/formats/matrix.h"
 #include "mediapipe/framework/formats/rect.pb.h"
 #include "mediapipe/framework/formats/tensor.h"
-#include "mediapipe/gpu/gpu_buffer.h"
 #include "mediapipe/util/render_data.pb.h"
 #include "tensorflow/lite/interpreter.h"

@ -72,22 +68,8 @@ REGISTER_CALCULATOR(EndLoopMatrixCalculator);
 typedef EndLoopCalculator<std::vector<Tensor>> EndLoopTensorCalculator;
 REGISTER_CALCULATOR(EndLoopTensorCalculator);

-typedef EndLoopCalculator<std::vector<ImageFrame>> EndLoopImageFrameCalculator;
-REGISTER_CALCULATOR(EndLoopImageFrameCalculator);
-
-typedef EndLoopCalculator<std::vector<GpuBuffer>> EndLoopGpuBufferCalculator;
-REGISTER_CALCULATOR(EndLoopGpuBufferCalculator);
-
 typedef EndLoopCalculator<std::vector<::mediapipe::Image>>
    EndLoopImageCalculator;
 REGISTER_CALCULATOR(EndLoopImageCalculator);

-typedef EndLoopCalculator<std::vector<std::array<float, 16>>>
-    EndLoopAffineMatrixCalculator;
-REGISTER_CALCULATOR(EndLoopAffineMatrixCalculator);
-
-typedef EndLoopCalculator<std::vector<std::pair<int, int>>>
-    EndLoopImageSizeCalculator;
-REGISTER_CALCULATOR(EndLoopImageSizeCalculator);
-
 }  // namespace mediapipe
--- a/mediapipe/calculators/core/end_loop_calculator.h
+++ b/mediapipe/calculators/core/end_loop_calculator.h
@ -17,11 +17,13 @@

 #include <type_traits>

-#include "absl/status/status.h"
 #include "mediapipe/framework/calculator_context.h"
 #include "mediapipe/framework/calculator_contract.h"
 #include "mediapipe/framework/calculator_framework.h"
+#include "mediapipe/framework/collection_item_id.h"
+#include "mediapipe/framework/port/integral_types.h"
 #include "mediapipe/framework/port/ret_check.h"
+#include "mediapipe/framework/port/status.h"

 namespace mediapipe {

@ -31,7 +33,27 @@ namespace mediapipe {
 // from the "BATCH_END" tagged input stream, it emits the aggregated results
 // at the original timestamp contained in the "BATCH_END" input stream.
 //
-// See BeginLoopCalculator for a usage example.
+// It is designed to be used like:
+//
+// node {
+//   calculator:    "BeginLoopWithIterableCalculator"
+//   input_stream:  "ITERABLE:input_iterable"      # IterableT @ext_ts
+//   output_stream: "ITEM:input_element"           # ItemT     @loop_internal_ts
+//   output_stream: "BATCH_END:ext_ts"             # Timestamp @loop_internal_ts
+// }
+//
+// node {
+//   calculator:    "ElementToBlaConverterSubgraph"
+//   input_stream:  "ITEM:input_to_loop_body"      # ItemT     @loop_internal_ts
+//   output_stream: "BLA:output_of_loop_body"      # ItemU     @loop_internal_ts
+// }
+//
+// node {
+//   calculator:    "EndLoopWithOutputCalculator"
+//   input_stream:  "ITEM:output_of_loop_body"     # ItemU     @loop_internal_ts
+//   input_stream:  "BATCH_END:ext_ts"             # Timestamp @loop_internal_ts
+//   output_stream: "ITERABLE:aggregated_result"   # IterableU @ext_ts
+// }
 template <typename IterableT>
 class EndLoopCalculator : public CalculatorBase {
  using ItemT = typename IterableT::value_type;
@ -55,16 +77,16 @@ class EndLoopCalculator : public CalculatorBase {
      if (!input_stream_collection_) {
        input_stream_collection_.reset(new IterableT);
      }
-
-      if constexpr (std::is_copy_constructible_v<ItemT>) {
-        input_stream_collection_->push_back(
-            cc->Inputs().Tag("ITEM").Get<ItemT>());
-      } else {
-        // Try to consume the item and move it into the collection. Return an
-        // error if the items are not consumable.
+      // Try to consume the item and move it into the collection. If the items
+      // are not consumable, then try to copy them instead. If the items are
+      // not copiable, then an error will be returned.
      auto item_ptr_or = cc->Inputs().Tag("ITEM").Value().Consume<ItemT>();
      if (item_ptr_or.ok()) {
        input_stream_collection_->push_back(std::move(*item_ptr_or.value()));
+      } else {
+        if constexpr (std::is_copy_constructible_v<ItemT>) {
+          input_stream_collection_->push_back(
+              cc->Inputs().Tag("ITEM").template Get<ItemT>());
        } else {
          return absl::InternalError(
              "The item type is not copiable. Consider making the "
--- a/mediapipe/calculators/core/flow_limiter_calculator.cc
+++ b/mediapipe/calculators/core/flow_limiter_calculator.cc
@ -42,7 +42,7 @@ constexpr char kOptionsTag[] = "OPTIONS";
 //
 // Increasing `max_in_flight` to 2 or more can yield the better throughput
 // when the graph exhibits a high degree of pipeline parallelism.  Decreasing
-// `max_in_queue` to 0 can yield a better average latency, but at the cost of
+// `max_in_flight` to 0 can yield a better average latency, but at the cost of
 // lower throughput (lower framerate) due to the time during which the graph
 // is idle awaiting the next input frame.
 //
--- a/mediapipe/calculators/core/gate_calculator.cc
+++ b/mediapipe/calculators/core/gate_calculator.cc
@ -26,15 +26,19 @@ constexpr char kStateChangeTag[] = "STATE_CHANGE";
 constexpr char kDisallowTag[] = "DISALLOW";
 constexpr char kAllowTag[] = "ALLOW";

-std::string ToString(GateCalculatorOptions::GateState state) {
+enum GateState {
+  GATE_UNINITIALIZED,
+  GATE_ALLOW,
+  GATE_DISALLOW,
+};
+
+std::string ToString(GateState state) {
  switch (state) {
-    case GateCalculatorOptions::UNSPECIFIED:
-      return "UNSPECIFIED";
-    case GateCalculatorOptions::GATE_UNINITIALIZED:
+    case GATE_UNINITIALIZED:
      return "UNINITIALIZED";
-    case GateCalculatorOptions::GATE_ALLOW:
+    case GATE_ALLOW:
      return "ALLOW";
-    case GateCalculatorOptions::GATE_DISALLOW:
+    case GATE_DISALLOW:
      return "DISALLOW";
  }
  DLOG(FATAL) << "Unknown GateState";
@ -149,12 +153,10 @@ class GateCalculator : public CalculatorBase {

    cc->SetOffset(TimestampDiff(0));
    num_data_streams_ = cc->Inputs().NumEntries("");
-
-    const auto& options = cc->Options<::mediapipe::GateCalculatorOptions>();
-    last_gate_state_ = options.initial_gate_state();
-
+    last_gate_state_ = GATE_UNINITIALIZED;
    RET_CHECK_OK(CopyInputHeadersToOutputs(cc->Inputs(), &cc->Outputs()));

+    const auto& options = cc->Options<::mediapipe::GateCalculatorOptions>();
    empty_packets_as_allow_ = options.empty_packets_as_allow();

    if (!use_side_packet_for_allow_disallow_ &&
@ -182,12 +184,10 @@ class GateCalculator : public CalculatorBase {
        allow = !cc->Inputs().Tag(kDisallowTag).Get<bool>();
      }
    }
-    const GateCalculatorOptions::GateState new_gate_state =
-        allow ? GateCalculatorOptions::GATE_ALLOW
-              : GateCalculatorOptions::GATE_DISALLOW;
+    const GateState new_gate_state = allow ? GATE_ALLOW : GATE_DISALLOW;

    if (cc->Outputs().HasTag(kStateChangeTag)) {
-      if (last_gate_state_ != GateCalculatorOptions::GATE_UNINITIALIZED &&
+      if (last_gate_state_ != GATE_UNINITIALIZED &&
          last_gate_state_ != new_gate_state) {
        VLOG(2) << "State transition in " << cc->NodeName() << " @ "
                << cc->InputTimestamp().Value() << " from "
@ -223,8 +223,7 @@ class GateCalculator : public CalculatorBase {
  }

 private:
-  GateCalculatorOptions::GateState last_gate_state_ =
-      GateCalculatorOptions::GATE_UNINITIALIZED;
+  GateState last_gate_state_ = GATE_UNINITIALIZED;
  int num_data_streams_;
  bool empty_packets_as_allow_;
  bool use_side_packet_for_allow_disallow_ = false;
--- a/mediapipe/calculators/core/gate_calculator.proto
+++ b/mediapipe/calculators/core/gate_calculator.proto
@ -31,13 +31,4 @@ message GateCalculatorOptions {
  // Whether to allow or disallow the input streams to pass when no
  // ALLOW/DISALLOW input or side input is specified.
  optional bool allow = 2 [default = false];
-
-  enum GateState {
-    UNSPECIFIED = 0;
-    GATE_UNINITIALIZED = 1;
-    GATE_ALLOW = 2;
-    GATE_DISALLOW = 3;
-  }
-
-  optional GateState initial_gate_state = 3 [default = GATE_UNINITIALIZED];
 }
--- a/mediapipe/calculators/core/gate_calculator_test.cc
+++ b/mediapipe/calculators/core/gate_calculator_test.cc
@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#include "absl/log/absl_log.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/calculator_runner.h"
 #include "mediapipe/framework/port/gtest.h"
@ -36,14 +35,14 @@ class GateCalculatorTest : public ::testing::Test {
  }

  // Use this when ALLOW/DISALLOW input is provided as a side packet.
-  void RunTimeStep(int64_t timestamp, bool stream_payload) {
+  void RunTimeStep(int64 timestamp, bool stream_payload) {
    runner_->MutableInputs()->Get("", 0).packets.push_back(
        MakePacket<bool>(stream_payload).At(Timestamp(timestamp)));
    MP_ASSERT_OK(runner_->Run()) << "Calculator execution failed.";
  }

  // Use this when ALLOW/DISALLOW input is provided as an input stream.
-  void RunTimeStep(int64_t timestamp, const std::string& control_tag,
+  void RunTimeStep(int64 timestamp, const std::string& control_tag,
                   bool control) {
    runner_->MutableInputs()->Get("", 0).packets.push_back(
        MakePacket<bool>(true).At(Timestamp(timestamp)));
@ -135,9 +134,9 @@ TEST_F(GateCalculatorTest, AllowByALLOWOptionToTrue) {
        }
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -160,9 +159,9 @@ TEST_F(GateCalculatorTest, DisallowByALLOWOptionSetToFalse) {
        }
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -176,9 +175,9 @@ TEST_F(GateCalculatorTest, DisallowByALLOWOptionNotSet) {
        output_stream: "test_output"
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -194,9 +193,9 @@ TEST_F(GateCalculatorTest, AllowByALLOWSidePacketSetToTrue) {
  )");
  runner()->MutableSidePackets()->Tag(kAllowTag) = Adopt(new bool(true));

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -216,9 +215,9 @@ TEST_F(GateCalculatorTest, AllowByDisallowSidePacketSetToFalse) {
  )");
  runner()->MutableSidePackets()->Tag(kDisallowTag) = Adopt(new bool(false));

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -238,9 +237,9 @@ TEST_F(GateCalculatorTest, DisallowByALLOWSidePacketSetToFalse) {
  )");
  runner()->MutableSidePackets()->Tag(kAllowTag) = Adopt(new bool(false));

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -256,9 +255,9 @@ TEST_F(GateCalculatorTest, DisallowByDISALLOWSidePacketSetToTrue) {
  )");
  runner()->MutableSidePackets()->Tag(kDisallowTag) = Adopt(new bool(true));

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -273,13 +272,13 @@ TEST_F(GateCalculatorTest, Allow) {
        output_stream: "test_output"
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, "ALLOW", true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, "ALLOW", false);
-  constexpr int64_t kTimestampValue2 = 44;
+  constexpr int64 kTimestampValue2 = 44;
  RunTimeStep(kTimestampValue2, "ALLOW", true);
-  constexpr int64_t kTimestampValue3 = 45;
+  constexpr int64 kTimestampValue3 = 45;
  RunTimeStep(kTimestampValue3, "ALLOW", false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -298,13 +297,13 @@ TEST_F(GateCalculatorTest, Disallow) {
        output_stream: "test_output"
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, "DISALLOW", true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, "DISALLOW", false);
-  constexpr int64_t kTimestampValue2 = 44;
+  constexpr int64 kTimestampValue2 = 44;
  RunTimeStep(kTimestampValue2, "DISALLOW", true);
-  constexpr int64_t kTimestampValue3 = 45;
+  constexpr int64 kTimestampValue3 = 45;
  RunTimeStep(kTimestampValue3, "DISALLOW", false);

  const std::vector<Packet>& output = runner()->Outputs().Get("", 0).packets;
@ -324,13 +323,13 @@ TEST_F(GateCalculatorTest, AllowWithStateChange) {
        output_stream: "STATE_CHANGE:state_changed"
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, "ALLOW", false);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, "ALLOW", true);
-  constexpr int64_t kTimestampValue2 = 44;
+  constexpr int64 kTimestampValue2 = 44;
  RunTimeStep(kTimestampValue2, "ALLOW", true);
-  constexpr int64_t kTimestampValue3 = 45;
+  constexpr int64 kTimestampValue3 = 45;
  RunTimeStep(kTimestampValue3, "ALLOW", false);

  const std::vector<Packet>& output =
@ -357,18 +356,18 @@ TEST_F(GateCalculatorTest, AllowWithStateChangeNoDataStreams) {
  RunTimeStepWithoutDataStream(kTimestampValue2, "ALLOW", true);
  constexpr int64_t kTimestampValue3 = 45;
  RunTimeStepWithoutDataStream(kTimestampValue3, "ALLOW", false);
-  ABSL_LOG(INFO) << "a";
+  LOG(INFO) << "a";
  const std::vector<Packet>& output =
      runner()->Outputs().Get("STATE_CHANGE", 0).packets;
-  ABSL_LOG(INFO) << "s";
+  LOG(INFO) << "s";
  ASSERT_EQ(2, output.size());
-  ABSL_LOG(INFO) << "d";
+  LOG(INFO) << "d";
  EXPECT_EQ(kTimestampValue1, output[0].Timestamp().Value());
  EXPECT_EQ(kTimestampValue3, output[1].Timestamp().Value());
-  ABSL_LOG(INFO) << "f";
+  LOG(INFO) << "f";
  EXPECT_EQ(true, output[0].Get<bool>());   // Allow.
  EXPECT_EQ(false, output[1].Get<bool>());  // Disallow.
-  ABSL_LOG(INFO) << "g";
+  LOG(INFO) << "g";
 }

 TEST_F(GateCalculatorTest, DisallowWithStateChange) {
@ -380,13 +379,13 @@ TEST_F(GateCalculatorTest, DisallowWithStateChange) {
        output_stream: "STATE_CHANGE:state_changed"
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, "DISALLOW", true);
-  constexpr int64_t kTimestampValue1 = 43;
+  constexpr int64 kTimestampValue1 = 43;
  RunTimeStep(kTimestampValue1, "DISALLOW", false);
-  constexpr int64_t kTimestampValue2 = 44;
+  constexpr int64 kTimestampValue2 = 44;
  RunTimeStep(kTimestampValue2, "DISALLOW", false);
-  constexpr int64_t kTimestampValue3 = 45;
+  constexpr int64 kTimestampValue3 = 45;
  RunTimeStep(kTimestampValue3, "DISALLOW", true);

  const std::vector<Packet>& output =
@ -433,7 +432,7 @@ TEST_F(GateCalculatorTest, DisallowInitialNoStateTransition) {
        output_stream: "STATE_CHANGE:state_changed"
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, "DISALLOW", false);

  const std::vector<Packet>& output =
@ -451,7 +450,7 @@ TEST_F(GateCalculatorTest, AllowInitialNoStateTransition) {
        output_stream: "STATE_CHANGE:state_changed"
  )");

-  constexpr int64_t kTimestampValue0 = 42;
+  constexpr int64 kTimestampValue0 = 42;
  RunTimeStep(kTimestampValue0, "ALLOW", true);

  const std::vector<Packet>& output =
@ -459,29 +458,5 @@ TEST_F(GateCalculatorTest, AllowInitialNoStateTransition) {
  ASSERT_EQ(0, output.size());
 }

-// Must detect allow value for first timestamp as a state change when the
-// initial state is set to GATE_DISALLOW.
-TEST_F(GateCalculatorTest, StateChangeTriggeredWithInitialGateStateOption) {
-  SetRunner(R"(
-        calculator: "GateCalculator"
-        input_stream: "test_input"
-        input_stream: "ALLOW:allow"
-        output_stream: "test_output"
-        output_stream: "STATE_CHANGE:state_change"
-        options: {
-          [mediapipe.GateCalculatorOptions.ext] {
-            initial_gate_state: GATE_DISALLOW
-          }
-        }
-  )");
-
-  constexpr int64_t kTimestampValue0 = 42;
-  RunTimeStep(kTimestampValue0, "ALLOW", true);
-
-  const std::vector<Packet>& output =
-      runner()->Outputs().Get("STATE_CHANGE", 0).packets;
-  ASSERT_EQ(1, output.size());
-}
-
 }  // namespace
 }  // namespace mediapipe
--- a/mediapipe/calculators/core/get_vector_item_calculator.cc
+++ b/mediapipe/calculators/core/get_vector_item_calculator.cc
@ -17,7 +17,6 @@
 #include "mediapipe/framework/formats/classification.pb.h"
 #include "mediapipe/framework/formats/detection.pb.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
-#include "mediapipe/framework/formats/rect.pb.h"

 namespace mediapipe {
 namespace api2 {
@ -38,12 +37,5 @@ using GetDetectionVectorItemCalculator =
    GetVectorItemCalculator<mediapipe::Detection>;
 REGISTER_CALCULATOR(GetDetectionVectorItemCalculator);

-using GetNormalizedRectVectorItemCalculator =
-    GetVectorItemCalculator<NormalizedRect>;
-REGISTER_CALCULATOR(GetNormalizedRectVectorItemCalculator);
-
-using GetRectVectorItemCalculator = GetVectorItemCalculator<Rect>;
-REGISTER_CALCULATOR(GetRectVectorItemCalculator);
-
 }  // namespace api2
 }  // namespace mediapipe
--- a/mediapipe/calculators/core/immediate_mux_calculator.cc
+++ b/mediapipe/calculators/core/immediate_mux_calculator.cc
@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#include "absl/log/absl_log.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/port/ret_check.h"
 #include "mediapipe/framework/port/status.h"
@ -79,7 +78,7 @@ absl::Status ImmediateMuxCalculator::Process(CalculatorContext* cc) {
      if (packet.Timestamp() >= cc->Outputs().Index(0).NextTimestampBound()) {
        cc->Outputs().Index(0).AddPacket(packet);
      } else {
-        ABSL_LOG_FIRST_N(WARNING, 5)
+        LOG_FIRST_N(WARNING, 5)
            << "Dropping a packet with timestamp " << packet.Timestamp();
      }
      if (cc->Outputs().NumEntries() >= 2) {
--- a/mediapipe/calculators/core/matrix_multiply_calculator_test.cc
+++ b/mediapipe/calculators/core/matrix_multiply_calculator_test.cc
@ -16,7 +16,6 @@
 #include <vector>

 #include "Eigen/Core"
-#include "absl/log/absl_check.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/calculator_runner.h"
 #include "mediapipe/framework/formats/matrix.h"
@ -210,7 +209,7 @@ TEST(MatrixMultiplyCalculatorTest, Multiply) {
  MatrixFromTextProto(kSamplesText, &samples);
  Matrix expected;
  MatrixFromTextProto(kExpectedText, &expected);
-  ABSL_CHECK_EQ(samples.cols(), expected.cols());
+  CHECK_EQ(samples.cols(), expected.cols());

  for (int i = 0; i < samples.cols(); ++i) {
    // Take a column from samples and produce a packet with just that
--- a/mediapipe/calculators/core/matrix_to_vector_calculator_test.cc
+++ b/mediapipe/calculators/core/matrix_to_vector_calculator_test.cc
@ -35,7 +35,7 @@ class MatrixToVectorCalculatorTest
  void SetUp() override { calculator_name_ = "MatrixToVectorCalculator"; }

  void AppendInput(const std::vector<float>& column_major_data,
-                   int64_t timestamp) {
+                   int64 timestamp) {
    ASSERT_EQ(num_input_samples_ * num_input_channels_,
              column_major_data.size());
    Eigen::Map<const Matrix> data_map(&column_major_data[0],
--- a/mediapipe/calculators/core/merge_calculator.cc
+++ b/mediapipe/calculators/core/merge_calculator.cc
@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#include "absl/log/absl_log.h"
 #include "mediapipe/framework/api2/node.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/port/ret_check.h"
@ -54,7 +53,7 @@ class MergeCalculator : public Node {
  static absl::Status UpdateContract(CalculatorContract* cc) {
    RET_CHECK_GT(kIn(cc).Count(), 0) << "Needs at least one input stream";
    if (kIn(cc).Count() == 1) {
-      ABSL_LOG(WARNING)
+      LOG(WARNING)
          << "MergeCalculator expects multiple input streams to merge but is "
             "receiving only one. Make sure the calculator is configured "
             "correctly or consider removing this calculator to reduce "
@ -73,7 +72,7 @@ class MergeCalculator : public Node {
      }
    }

-    ABSL_LOG(WARNING) << "Empty input packets at timestamp "
+    LOG(WARNING) << "Empty input packets at timestamp "
                 << cc->InputTimestamp().Value();

    return absl::OkStatus();
--- a/mediapipe/calculators/core/merge_to_vector_calculator.cc
+++ b/mediapipe/calculators/core/merge_to_vector_calculator.cc
@ -1,4 +1,4 @@
-/* Copyright 2022 The MediaPipe Authors.
+/* Copyright 2022 The MediaPipe Authors. All Rights Reserved.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
--- a/mediapipe/calculators/core/merge_to_vector_calculator.h
+++ b/mediapipe/calculators/core/merge_to_vector_calculator.h
@ -1,4 +1,4 @@
-/* Copyright 2022 The MediaPipe Authors.
+/* Copyright 2022 The MediaPipe Authors. All Rights Reserved.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
--- a/mediapipe/calculators/core/packet_resampler_calculator.cc
+++ b/mediapipe/calculators/core/packet_resampler_calculator.cc
@ -16,12 +16,9 @@

 #include <memory>

-#include "absl/log/absl_check.h"
-#include "absl/log/absl_log.h"
-
 namespace {
 // Reflect an integer against the lower and upper bound of an interval.
-int64_t ReflectBetween(int64_t ts, int64_t ts_min, int64_t ts_max) {
+int64 ReflectBetween(int64 ts, int64 ts_min, int64 ts_max) {
  if (ts < ts_min) return 2 * ts_min - ts - 1;
  if (ts >= ts_max) return 2 * ts_max - ts - 1;
  return ts;
@ -50,7 +47,7 @@ constexpr char kOptionsTag[] = "OPTIONS";
 // Returns a TimestampDiff (assuming microseconds) corresponding to the
 // given time in seconds.
 TimestampDiff TimestampDiffFromSeconds(double seconds) {
-  return TimestampDiff(MathUtil::SafeRound<int64_t, double>(
+  return TimestampDiff(MathUtil::SafeRound<int64, double>(
      seconds * Timestamp::kTimestampUnitsPerSecond));
 }
 }  // namespace
@ -120,8 +117,8 @@ absl::Status PacketResamplerCalculator::Open(CalculatorContext* cc) {
      << "The output frame rate must be smaller than "
      << Timestamp::kTimestampUnitsPerSecond;

-  frame_time_usec_ = static_cast<int64_t>(1000000.0 / frame_rate_);
-  jitter_usec_ = static_cast<int64_t>(1000000.0 * jitter_ / frame_rate_);
+  frame_time_usec_ = static_cast<int64>(1000000.0 / frame_rate_);
+  jitter_usec_ = static_cast<int64>(1000000.0 * jitter_ / frame_rate_);
  RET_CHECK_LE(jitter_usec_, frame_time_usec_);

  video_header_.frame_rate = frame_rate_;
@ -180,7 +177,7 @@ PacketResamplerCalculator::GetSamplingStrategy(
    const PacketResamplerCalculatorOptions& options) {
  if (options.reproducible_sampling()) {
    if (!options.jitter_with_reflection()) {
-      ABSL_LOG(WARNING)
+      LOG(WARNING)
          << "reproducible_sampling enabled w/ jitter_with_reflection "
             "disabled. "
          << "reproducible_sampling always uses jitter with reflection, "
@ -201,18 +198,17 @@ PacketResamplerCalculator::GetSamplingStrategy(
  return absl::make_unique<JitterWithoutReflectionStrategy>(this);
 }

-Timestamp PacketResamplerCalculator::PeriodIndexToTimestamp(
-    int64_t index) const {
-  ABSL_CHECK_EQ(jitter_, 0.0);
-  ABSL_CHECK_NE(first_timestamp_, Timestamp::Unset());
+Timestamp PacketResamplerCalculator::PeriodIndexToTimestamp(int64 index) const {
+  CHECK_EQ(jitter_, 0.0);
+  CHECK_NE(first_timestamp_, Timestamp::Unset());
  return first_timestamp_ + TimestampDiffFromSeconds(index / frame_rate_);
 }

-int64_t PacketResamplerCalculator::TimestampToPeriodIndex(
+int64 PacketResamplerCalculator::TimestampToPeriodIndex(
    Timestamp timestamp) const {
-  ABSL_CHECK_EQ(jitter_, 0.0);
-  ABSL_CHECK_NE(first_timestamp_, Timestamp::Unset());
-  return MathUtil::SafeRound<int64_t, double>(
+  CHECK_EQ(jitter_, 0.0);
+  CHECK_NE(first_timestamp_, Timestamp::Unset());
+  return MathUtil::SafeRound<int64, double>(
      (timestamp - first_timestamp_).Seconds() * frame_rate_);
 }

@ -232,14 +228,12 @@ absl::Status LegacyJitterWithReflectionStrategy::Open(CalculatorContext* cc) {

  if (resampler_options.output_header() !=
      PacketResamplerCalculatorOptions::NONE) {
-    ABSL_LOG(WARNING)
-        << "VideoHeader::frame_rate holds the target value and not "
+    LOG(WARNING) << "VideoHeader::frame_rate holds the target value and not "
                    "the actual value.";
  }

  if (calculator_->flush_last_packet_) {
-    ABSL_LOG(WARNING)
-        << "PacketResamplerCalculatorOptions.flush_last_packet is "
+    LOG(WARNING) << "PacketResamplerCalculatorOptions.flush_last_packet is "
                    "ignored, because we are adding jitter.";
  }

@ -259,7 +253,7 @@ absl::Status LegacyJitterWithReflectionStrategy::Open(CalculatorContext* cc) {
 }
 absl::Status LegacyJitterWithReflectionStrategy::Close(CalculatorContext* cc) {
  if (!packet_reservoir_->IsEmpty()) {
-    ABSL_LOG(INFO) << "Emitting pack from reservoir.";
+    LOG(INFO) << "Emitting pack from reservoir.";
    calculator_->OutputWithinLimits(cc, packet_reservoir_->GetSample());
  }
  return absl::OkStatus();
@ -290,16 +284,16 @@ absl::Status LegacyJitterWithReflectionStrategy::Process(

  if (calculator_->frame_time_usec_ <
      (cc->InputTimestamp() - calculator_->last_packet_.Timestamp()).Value()) {
-    ABSL_LOG_FIRST_N(WARNING, 2)
+    LOG_FIRST_N(WARNING, 2)
        << "Adding jitter is not very useful when upsampling.";
  }

  while (true) {
-    const int64_t last_diff =
+    const int64 last_diff =
        (next_output_timestamp_ - calculator_->last_packet_.Timestamp())
            .Value();
    RET_CHECK_GT(last_diff, 0);
-    const int64_t curr_diff =
+    const int64 curr_diff =
        (next_output_timestamp_ - cc->InputTimestamp()).Value();
    if (curr_diff > 0) {
      break;
@ -345,8 +339,8 @@ void LegacyJitterWithReflectionStrategy::UpdateNextOutputTimestampWithJitter() {
  next_output_timestamp_ = Timestamp(ReflectBetween(
      next_output_timestamp_.Value(), next_output_timestamp_min_.Value(),
      next_output_timestamp_max_.Value()));
-  ABSL_CHECK_GE(next_output_timestamp_, next_output_timestamp_min_);
-  ABSL_CHECK_LT(next_output_timestamp_, next_output_timestamp_max_);
+  CHECK_GE(next_output_timestamp_, next_output_timestamp_min_);
+  CHECK_LT(next_output_timestamp_, next_output_timestamp_max_);
 }

 absl::Status ReproducibleJitterWithReflectionStrategy::Open(
@ -357,14 +351,12 @@ absl::Status ReproducibleJitterWithReflectionStrategy::Open(

  if (resampler_options.output_header() !=
      PacketResamplerCalculatorOptions::NONE) {
-    ABSL_LOG(WARNING)
-        << "VideoHeader::frame_rate holds the target value and not "
+    LOG(WARNING) << "VideoHeader::frame_rate holds the target value and not "
                    "the actual value.";
  }

  if (calculator_->flush_last_packet_) {
-    ABSL_LOG(WARNING)
-        << "PacketResamplerCalculatorOptions.flush_last_packet is "
+    LOG(WARNING) << "PacketResamplerCalculatorOptions.flush_last_packet is "
                    "ignored, because we are adding jitter.";
  }

@ -418,7 +410,7 @@ absl::Status ReproducibleJitterWithReflectionStrategy::Process(
    // Note, if the stream is upsampling, this could lead to the same packet
    // being emitted twice.  Upsampling and jitter doesn't make much sense
    // but does technically work.
-    ABSL_LOG_FIRST_N(WARNING, 2)
+    LOG_FIRST_N(WARNING, 2)
        << "Adding jitter is not very useful when upsampling.";
  }

@ -506,14 +498,12 @@ absl::Status JitterWithoutReflectionStrategy::Open(CalculatorContext* cc) {

  if (resampler_options.output_header() !=
      PacketResamplerCalculatorOptions::NONE) {
-    ABSL_LOG(WARNING)
-        << "VideoHeader::frame_rate holds the target value and not "
+    LOG(WARNING) << "VideoHeader::frame_rate holds the target value and not "
                    "the actual value.";
  }

  if (calculator_->flush_last_packet_) {
-    ABSL_LOG(WARNING)
-        << "PacketResamplerCalculatorOptions.flush_last_packet is "
+    LOG(WARNING) << "PacketResamplerCalculatorOptions.flush_last_packet is "
                    "ignored, because we are adding jitter.";
  }

@ -564,16 +554,16 @@ absl::Status JitterWithoutReflectionStrategy::Process(CalculatorContext* cc) {

  if (calculator_->frame_time_usec_ <
      (cc->InputTimestamp() - calculator_->last_packet_.Timestamp()).Value()) {
-    ABSL_LOG_FIRST_N(WARNING, 2)
+    LOG_FIRST_N(WARNING, 2)
        << "Adding jitter is not very useful when upsampling.";
  }

  while (true) {
-    const int64_t last_diff =
+    const int64 last_diff =
        (next_output_timestamp_ - calculator_->last_packet_.Timestamp())
            .Value();
    RET_CHECK_GT(last_diff, 0);
-    const int64_t curr_diff =
+    const int64 curr_diff =
        (next_output_timestamp_ - cc->InputTimestamp()).Value();
    if (curr_diff > 0) {
      break;
@ -641,7 +631,7 @@ absl::Status NoJitterStrategy::Process(CalculatorContext* cc) {
    } else {
      // Initialize first_timestamp_ with the first packet timestamp
      // aligned to the base_timestamp_.
-      int64_t first_index = MathUtil::SafeRound<int64_t, double>(
+      int64 first_index = MathUtil::SafeRound<int64, double>(
          (cc->InputTimestamp() - base_timestamp_).Seconds() *
          calculator_->frame_rate_);
      calculator_->first_timestamp_ =
@ -656,7 +646,7 @@ absl::Status NoJitterStrategy::Process(CalculatorContext* cc) {
    }
  }
  const Timestamp received_timestamp = cc->InputTimestamp();
-  const int64_t received_timestamp_idx =
+  const int64 received_timestamp_idx =
      calculator_->TimestampToPeriodIndex(received_timestamp);
  // Only consider the received packet if it belongs to the current period
  // (== period_count_) or to a newer one (> period_count_).
--- a/mediapipe/calculators/core/packet_resampler_calculator.h
+++ b/mediapipe/calculators/core/packet_resampler_calculator.h
@ -13,6 +13,7 @@
 #include "mediapipe/framework/deps/random_base.h"
 #include "mediapipe/framework/formats/video_stream_header.h"
 #include "mediapipe/framework/port/integral_types.h"
+#include "mediapipe/framework/port/logging.h"
 #include "mediapipe/framework/port/ret_check.h"
 #include "mediapipe/framework/port/status.h"
 #include "mediapipe/framework/port/status_macros.h"
--- a/mediapipe/calculators/core/packet_resampler_calculator_test.cc
+++ b/mediapipe/calculators/core/packet_resampler_calculator_test.cc
@ -51,9 +51,9 @@ class SimpleRunner : public CalculatorRunner {

  virtual ~SimpleRunner() {}

-  void SetInput(const std::vector<int64_t>& timestamp_list) {
+  void SetInput(const std::vector<int64>& timestamp_list) {
    MutableInputs()->Index(0).packets.clear();
-    for (const int64_t ts : timestamp_list) {
+    for (const int64 ts : timestamp_list) {
      MutableInputs()->Index(0).packets.push_back(
          Adopt(new std::string(absl::StrCat("Frame #", ts)))
              .At(Timestamp(ts)));
@ -72,8 +72,8 @@ class SimpleRunner : public CalculatorRunner {
  }

  void CheckOutputTimestamps(
-      const std::vector<int64_t>& expected_frames,
-      const std::vector<int64_t>& expected_timestamps) const {
+      const std::vector<int64>& expected_frames,
+      const std::vector<int64>& expected_timestamps) const {
    EXPECT_EQ(expected_frames.size(), Outputs().Index(0).packets.size());
    EXPECT_EQ(expected_timestamps.size(), Outputs().Index(0).packets.size());
    int count = 0;
@ -112,7 +112,7 @@ MATCHER_P2(PacketAtTimestamp, payload, timestamp,
    *result_listener << "at incorrect timestamp = " << arg.Timestamp().Value();
    return false;
  }
-  int64_t actual_payload = arg.template Get<int64_t>();
+  int64 actual_payload = arg.template Get<int64>();
  if (actual_payload != payload) {
    *result_listener << "with incorrect payload = " << actual_payload;
    return false;
@ -137,18 +137,18 @@ class ReproducibleJitterWithReflectionStrategyForTesting
  //
  // An EXPECT will fail if sequence is less than the number requested during
  // processing.
-  static std::vector<uint64_t> random_sequence;
+  static std::vector<uint64> random_sequence;

 protected:
-  virtual uint64_t GetNextRandom(uint64_t n) {
+  virtual uint64 GetNextRandom(uint64 n) {
    EXPECT_LT(sequence_index_, random_sequence.size());
    return random_sequence[sequence_index_++] % n;
  }

 private:
-  int32_t sequence_index_ = 0;
+  int32 sequence_index_ = 0;
 };
-std::vector<uint64_t>
+std::vector<uint64>
    ReproducibleJitterWithReflectionStrategyForTesting::random_sequence;

 // PacketResamplerCalculator child class which injects a specified stream
@ -469,7 +469,7 @@ TEST(PacketResamplerCalculatorTest, SetVideoHeader) {
    }
  )pb"));

-  for (const int64_t ts : {0, 5000, 10010, 15001, 19990}) {
+  for (const int64 ts : {0, 5000, 10010, 15001, 19990}) {
    runner.MutableInputs()->Tag(kDataTag).packets.push_back(
        Adopt(new std::string(absl::StrCat("Frame #", ts))).At(Timestamp(ts)));
  }
--- a/mediapipe/calculators/core/packet_sequencer_calculator_test.cc
+++ b/mediapipe/calculators/core/packet_sequencer_calculator_test.cc
@ -71,7 +71,7 @@ TEST_F(PacketSequencerCalculatorTest, IsRegistered) {
      CalculatorBaseRegistry::IsRegistered("PacketSequencerCalculator"));
 }

-// Shows how control packets receive timestamps before and after frame packets
+// Shows how control packets recieve timestamps before and after frame packets
 // have arrived.
 TEST_F(PacketSequencerCalculatorTest, ChannelEarly) {
  CalculatorGraphConfig::Node node_config = BuildNodeConfig();
--- a/mediapipe/calculators/core/packet_thinner_calculator.cc
+++ b/mediapipe/calculators/core/packet_thinner_calculator.cc
@ -17,7 +17,6 @@
 #include <cmath>  // for ceil
 #include <memory>

-#include "absl/log/absl_check.h"
 #include "mediapipe/calculators/core/packet_thinner_calculator.pb.h"
 #include "mediapipe/framework/calculator_context.h"
 #include "mediapipe/framework/calculator_framework.h"
@ -98,7 +97,7 @@ class PacketThinnerCalculator : public CalculatorBase {
    cc->Inputs().Index(0).SetAny();
    cc->Outputs().Index(0).SetSameAs(&cc->Inputs().Index(0));
    if (cc->InputSidePackets().HasTag(kPeriodTag)) {
-      cc->InputSidePackets().Tag(kPeriodTag).Set<int64_t>();
+      cc->InputSidePackets().Tag(kPeriodTag).Set<int64>();
    }
    return absl::OkStatus();
  }
@ -161,7 +160,7 @@ absl::Status PacketThinnerCalculator::Open(CalculatorContext* cc) {

  thinner_type_ = options.thinner_type();
  // This check enables us to assume only two thinner types exist in Process()
-  ABSL_CHECK(thinner_type_ == PacketThinnerCalculatorOptions::ASYNC ||
+  CHECK(thinner_type_ == PacketThinnerCalculatorOptions::ASYNC ||
        thinner_type_ == PacketThinnerCalculatorOptions::SYNC)
      << "Unsupported thinner type.";

@ -174,12 +173,11 @@ absl::Status PacketThinnerCalculator::Open(CalculatorContext* cc) {

  if (cc->InputSidePackets().HasTag(kPeriodTag)) {
    period_ =
-        TimestampDiff(cc->InputSidePackets().Tag(kPeriodTag).Get<int64_t>());
+        TimestampDiff(cc->InputSidePackets().Tag(kPeriodTag).Get<int64>());
  } else {
    period_ = TimestampDiff(options.period());
  }
-  ABSL_CHECK_LT(TimestampDiff(0), period_)
-      << "Specified period must be positive.";
+  CHECK_LT(TimestampDiff(0), period_) << "Specified period must be positive.";

  if (options.has_start_time()) {
    start_time_ = Timestamp(options.start_time());
@ -191,7 +189,7 @@ absl::Status PacketThinnerCalculator::Open(CalculatorContext* cc) {

  end_time_ =
      options.has_end_time() ? Timestamp(options.end_time()) : Timestamp::Max();
-  ABSL_CHECK_LT(start_time_, end_time_)
+  CHECK_LT(start_time_, end_time_)
      << "Invalid PacketThinner: start_time must be earlier than end_time";

  sync_output_timestamps_ = options.sync_output_timestamps();
@ -234,7 +232,7 @@ absl::Status PacketThinnerCalculator::Close(CalculatorContext* cc) {
  // Emit any saved packets before quitting.
  if (!saved_packet_.IsEmpty()) {
    // Only sync thinner should have saved packets.
-    ABSL_CHECK_EQ(PacketThinnerCalculatorOptions::SYNC, thinner_type_);
+    CHECK_EQ(PacketThinnerCalculatorOptions::SYNC, thinner_type_);
    if (sync_output_timestamps_) {
      cc->Outputs().Index(0).AddPacket(
          saved_packet_.At(NearestSyncTimestamp(saved_packet_.Timestamp())));
@ -271,7 +269,7 @@ absl::Status PacketThinnerCalculator::SyncThinnerProcess(
    const Timestamp saved_sync = NearestSyncTimestamp(saved);
    const Timestamp now = cc->InputTimestamp();
    const Timestamp now_sync = NearestSyncTimestamp(now);
-    ABSL_CHECK_LE(saved_sync, now_sync);
+    CHECK_LE(saved_sync, now_sync);
    if (saved_sync == now_sync) {
      // Saved Packet is in same interval as current packet.
      // Replace saved packet with current if it is at least as
@ -297,20 +295,20 @@ absl::Status PacketThinnerCalculator::SyncThinnerProcess(
 }

 Timestamp PacketThinnerCalculator::NearestSyncTimestamp(Timestamp now) const {
-  ABSL_CHECK_NE(start_time_, Timestamp::Unset())
+  CHECK_NE(start_time_, Timestamp::Unset())
      << "Method only valid for sync thinner calculator.";

  // Computation is done using int64 arithmetic.  No easy way to avoid
  // since Timestamps don't support div and multiply.
-  const int64_t now64 = now.Value();
-  const int64_t start64 = start_time_.Value();
-  const int64_t period64 = period_.Value();
-  ABSL_CHECK_LE(0, period64);
+  const int64 now64 = now.Value();
+  const int64 start64 = start_time_.Value();
+  const int64 period64 = period_.Value();
+  CHECK_LE(0, period64);

  // Round now64 to its closest interval (units of period64).
-  int64_t sync64 =
+  int64 sync64 =
      (now64 - start64 + period64 / 2) / period64 * period64 + start64;
-  ABSL_CHECK_LE(abs(now64 - sync64), period64 / 2)
+  CHECK_LE(abs(now64 - sync64), period64 / 2)
      << "start64: " << start64 << "; now64: " << now64
      << "; sync64: " << sync64;

--- a/mediapipe/calculators/core/packet_thinner_calculator_test.cc
+++ b/mediapipe/calculators/core/packet_thinner_calculator_test.cc
@ -16,7 +16,6 @@
 #include <string>
 #include <vector>

-#include "absl/log/absl_check.h"
 #include "absl/strings/str_cat.h"
 #include "mediapipe/calculators/core/packet_thinner_calculator.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
@ -71,7 +70,7 @@ class SimpleRunner : public CalculatorRunner {
  }

  double GetFrameRate() const {
-    ABSL_CHECK(!Outputs().Index(0).header.IsEmpty());
+    CHECK(!Outputs().Index(0).header.IsEmpty());
    return Outputs().Index(0).header.Get<VideoHeader>().frame_rate;
  }
 };
--- a/mediapipe/calculators/core/previous_loopback_calculator.cc
+++ b/mediapipe/calculators/core/previous_loopback_calculator.cc
@ -123,11 +123,8 @@ class PreviousLoopbackCalculator : public Node {
          // However, LOOP packet is empty.
          kPrevLoop(cc).SetNextTimestampBound(main_spec.timestamp + 1);
        } else {
-          // Avoids sending leftovers to a stream that's already closed.
-          if (!kPrevLoop(cc).IsClosed()) {
          kPrevLoop(cc).Send(loop_candidate.At(main_spec.timestamp));
        }
-        }
        loop_packets_.pop_front();
        main_packet_specs_.pop_front();
      }
--- a/mediapipe/calculators/core/previous_loopback_calculator_test.cc
+++ b/mediapipe/calculators/core/previous_loopback_calculator_test.cc
@ -43,8 +43,8 @@ constexpr char kDisallowTag[] = "DISALLOW";

 // Returns the timestamp values for a vector of Packets.
 // TODO: puth this kind of test util in a common place.
-std::vector<int64_t> TimestampValues(const std::vector<Packet>& packets) {
-  std::vector<int64_t> result;
+std::vector<int64> TimestampValues(const std::vector<Packet>& packets) {
+  std::vector<int64> result;
  for (const Packet& packet : packets) {
    result.push_back(packet.Timestamp().Value());
  }
@ -371,7 +371,7 @@ TEST(PreviousLoopbackCalculator, EmptyLoopForever) {
  for (int main_ts = 0; main_ts < 50; ++main_ts) {
    send_packet("in", main_ts);
    MP_EXPECT_OK(graph_.WaitUntilIdle());
-    std::vector<int64_t> ts_values = TimestampValues(outputs);
+    std::vector<int64> ts_values = TimestampValues(outputs);
    EXPECT_EQ(ts_values.size(), main_ts + 1);
    for (int j = 0; j < main_ts + 1; ++j) {
      EXPECT_EQ(ts_values[j], j);
--- a/mediapipe/calculators/core/sequence_shift_calculator.cc
+++ b/mediapipe/calculators/core/sequence_shift_calculator.cc
@ -14,7 +14,6 @@

 #include <deque>

-#include "absl/log/absl_log.h"
 #include "mediapipe/calculators/core/sequence_shift_calculator.pb.h"
 #include "mediapipe/framework/api2/node.h"
 #include "mediapipe/framework/calculator_framework.h"
@ -102,7 +101,7 @@ void SequenceShiftCalculator::ProcessPositiveOffset(CalculatorContext* cc) {
    kOut(cc).Send(packet_cache_.front().At(cc->InputTimestamp()));
    packet_cache_.pop_front();
  } else if (emit_empty_packets_before_first_packet_) {
-    ABSL_LOG(FATAL) << "Not supported yet";
+    LOG(FATAL) << "Not supported yet";
  }
  // Store current packet for later output.
  packet_cache_.push_back(kIn(cc).packet());
--- a/mediapipe/calculators/core/side_packet_to_stream_calculator.cc
+++ b/mediapipe/calculators/core/side_packet_to_stream_calculator.cc
@ -17,7 +17,6 @@
 #include <set>
 #include <string>

-#include "absl/status/status.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/port/logging.h"
 #include "mediapipe/framework/port/ret_check.h"
@ -33,7 +32,6 @@ namespace {
 constexpr char kTagAtPreStream[] = "AT_PRESTREAM";
 constexpr char kTagAtPostStream[] = "AT_POSTSTREAM";
 constexpr char kTagAtZero[] = "AT_ZERO";
-constexpr char kTagAtFirstTick[] = "AT_FIRST_TICK";
 constexpr char kTagAtTick[] = "AT_TICK";
 constexpr char kTagTick[] = "TICK";
 constexpr char kTagAtTimestamp[] = "AT_TIMESTAMP";
@ -45,7 +43,6 @@ static std::map<std::string, Timestamp>* kTimestampMap = []() {
  res->emplace(kTagAtPostStream, Timestamp::PostStream());
  res->emplace(kTagAtZero, Timestamp(0));
  res->emplace(kTagAtTick, Timestamp::Unset());
-  res->emplace(kTagAtFirstTick, Timestamp::Unset());
  res->emplace(kTagAtTimestamp, Timestamp::Unset());
  return res;
 }();
@ -62,8 +59,8 @@ std::string GetOutputTag(const CC& cc) {
 // timestamp, depending on the tag used to define output stream(s). (One tag can
 // be used only.)
 //
-// Valid tags are AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, AT_TICK, AT_FIRST_TICK,
-// AT_TIMESTAMP and corresponding timestamps are Timestamp::PreStream(),
+// Valid tags are AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, AT_TICK, AT_TIMESTAMP
+// and corresponding timestamps are Timestamp::PreStream(),
 // Timestamp::PostStream(), Timestamp(0), timestamp of a packet received in TICK
 // input, and timestamp received from a side input.
 //
@ -99,7 +96,6 @@ class SidePacketToStreamCalculator : public CalculatorBase {

 private:
  bool is_tick_processing_ = false;
-  bool close_on_first_tick_ = false;
  std::string output_tag_;
 };
 REGISTER_CALCULATOR(SidePacketToStreamCalculator);
@ -107,16 +103,13 @@ REGISTER_CALCULATOR(SidePacketToStreamCalculator);
 absl::Status SidePacketToStreamCalculator::GetContract(CalculatorContract* cc) {
  const auto& tags = cc->Outputs().GetTags();
  RET_CHECK(tags.size() == 1 && kTimestampMap->count(*tags.begin()) == 1)
-      << "Only one of AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, AT_TICK, "
-         "AT_FIRST_TICK and AT_TIMESTAMP tags is allowed and required to "
-         "specify output stream(s).";
-  const bool has_tick_output =
-      cc->Outputs().HasTag(kTagAtTick) || cc->Outputs().HasTag(kTagAtFirstTick);
-  const bool has_tick_input = cc->Inputs().HasTag(kTagTick);
-  RET_CHECK((has_tick_output && has_tick_input) ||
-            (!has_tick_output && !has_tick_input))
-      << "Either both TICK input and tick (AT_TICK/AT_FIRST_TICK) output "
-         "should be used or none of them.";
+      << "Only one of AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, AT_TICK and "
+         "AT_TIMESTAMP tags is allowed and required to specify output "
+         "stream(s).";
+  RET_CHECK(
+      (cc->Outputs().HasTag(kTagAtTick) && cc->Inputs().HasTag(kTagTick)) ||
+      (!cc->Outputs().HasTag(kTagAtTick) && !cc->Inputs().HasTag(kTagTick)))
+      << "Either both of TICK and AT_TICK should be used or none of them.";
  RET_CHECK((cc->Outputs().HasTag(kTagAtTimestamp) &&
             cc->InputSidePackets().HasTag(kTagSideInputTimestamp)) ||
            (!cc->Outputs().HasTag(kTagAtTimestamp) &&
@ -128,7 +121,7 @@ absl::Status SidePacketToStreamCalculator::GetContract(CalculatorContract* cc) {
  if (cc->Outputs().HasTag(kTagAtTimestamp)) {
    RET_CHECK_EQ(num_entries + 1, cc->InputSidePackets().NumEntries())
        << "For AT_TIMESTAMP tag, 2 input side packets are required.";
-    cc->InputSidePackets().Tag(kTagSideInputTimestamp).Set<int64_t>();
+    cc->InputSidePackets().Tag(kTagSideInputTimestamp).Set<int64>();
  } else {
    RET_CHECK_EQ(num_entries, cc->InputSidePackets().NumEntries())
        << "Same number of input side packets and output streams is required.";
@ -155,17 +148,11 @@ absl::Status SidePacketToStreamCalculator::Open(CalculatorContext* cc) {
    // timestamp bound update.
    cc->SetOffset(TimestampDiff(0));
  }
-  if (output_tag_ == kTagAtFirstTick) {
-    close_on_first_tick_ = true;
-  }
  return absl::OkStatus();
 }

 absl::Status SidePacketToStreamCalculator::Process(CalculatorContext* cc) {
  if (is_tick_processing_) {
-    if (cc->Outputs().Get(output_tag_, 0).IsClosed()) {
-      return absl::OkStatus();
-    }
    // TICK input is guaranteed to be non-empty, as it's the only input stream
    // for this calculator.
    const auto& timestamp = cc->Inputs().Tag(kTagTick).Value().Timestamp();
@ -173,9 +160,6 @@ absl::Status SidePacketToStreamCalculator::Process(CalculatorContext* cc) {
      cc->Outputs()
          .Get(output_tag_, i)
          .AddPacket(cc->InputSidePackets().Index(i).At(timestamp));
-      if (close_on_first_tick_) {
-        cc->Outputs().Get(output_tag_, i).Close();
-      }
    }

    return absl::OkStatus();
@ -186,7 +170,6 @@ absl::Status SidePacketToStreamCalculator::Process(CalculatorContext* cc) {

 absl::Status SidePacketToStreamCalculator::Close(CalculatorContext* cc) {
  if (!cc->Outputs().HasTag(kTagAtTick) &&
-      !cc->Outputs().HasTag(kTagAtFirstTick) &&
      !cc->Outputs().HasTag(kTagAtTimestamp)) {
    const auto& timestamp = kTimestampMap->at(output_tag_);
    for (int i = 0; i < cc->Outputs().NumEntries(output_tag_); ++i) {
@ -195,8 +178,8 @@ absl::Status SidePacketToStreamCalculator::Close(CalculatorContext* cc) {
          .AddPacket(cc->InputSidePackets().Index(i).At(timestamp));
    }
  } else if (cc->Outputs().HasTag(kTagAtTimestamp)) {
-    int64_t timestamp =
-        cc->InputSidePackets().Tag(kTagSideInputTimestamp).Get<int64_t>();
+    int64 timestamp =
+        cc->InputSidePackets().Tag(kTagSideInputTimestamp).Get<int64>();
    for (int i = 0; i < cc->Outputs().NumEntries(output_tag_); ++i) {
      cc->Outputs()
          .Get(output_tag_, i)
--- a/mediapipe/calculators/core/side_packet_to_stream_calculator_test.cc
+++ b/mediapipe/calculators/core/side_packet_to_stream_calculator_test.cc
@ -27,17 +27,13 @@
 #include "mediapipe/framework/port/status.h"
 #include "mediapipe/framework/port/status_matchers.h"
 #include "mediapipe/framework/tool/options_util.h"
-#include "mediapipe/util/packet_test_util.h"

 namespace mediapipe {
 namespace {

-using ::testing::ElementsAre;
-using ::testing::Eq;
-using ::testing::HasSubstr;
-using ::testing::IsEmpty;
+using testing::HasSubstr;

-TEST(SidePacketToStreamCalculator, WrongConfigWithMissingTick) {
+TEST(SidePacketToStreamCalculator, WrongConfig_MissingTick) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
@ -56,35 +52,10 @@ TEST(SidePacketToStreamCalculator, WrongConfigWithMissingTick) {
  EXPECT_THAT(
      status.message(),
      HasSubstr(
-          "Either both TICK input and tick (AT_TICK/AT_FIRST_TICK) output "
-          "should be used or none of them."));
+          "Either both of TICK and AT_TICK should be used or none of them."));
 }

-TEST(SidePacketToStreamCalculator,
-     WrongConfigWithMissingTickForFirstTickProcessing) {
-  CalculatorGraphConfig graph_config =
-      ParseTextProtoOrDie<CalculatorGraphConfig>(
-          R"pb(
-            input_stream: "tick"
-            input_side_packet: "side_packet"
-            output_stream: "packet"
-            node {
-              calculator: "SidePacketToStreamCalculator"
-              input_side_packet: "side_packet"
-              output_stream: "AT_FIRST_TICK:packet"
-            }
-          )pb");
-  CalculatorGraph graph;
-  auto status = graph.Initialize(graph_config);
-  EXPECT_FALSE(status.ok());
-  EXPECT_THAT(
-      status.message(),
-      HasSubstr(
-          "Either both TICK input and tick (AT_TICK/AT_FIRST_TICK) output "
-          "should be used or none of them."));
-}
-
-TEST(SidePacketToStreamCalculator, WrongConfigWithMissingTimestampSideInput) {
+TEST(SidePacketToStreamCalculator, WrongConfig_MissingTimestampSideInput) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
@ -105,7 +76,7 @@ TEST(SidePacketToStreamCalculator, WrongConfigWithMissingTimestampSideInput) {
                        "or none of them."));
 }

-TEST(SidePacketToStreamCalculator, WrongConfigWithNonExistentTag) {
+TEST(SidePacketToStreamCalculator, WrongConfig_NonExistentTag) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
@ -121,13 +92,14 @@ TEST(SidePacketToStreamCalculator, WrongConfigWithNonExistentTag) {
  CalculatorGraph graph;
  auto status = graph.Initialize(graph_config);
  EXPECT_FALSE(status.ok());
-  EXPECT_THAT(status.message(),
-              HasSubstr("Only one of AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, "
-                        "AT_TICK, AT_FIRST_TICK and AT_TIMESTAMP tags is "
-                        "allowed and required to specify output stream(s)."));
+  EXPECT_THAT(
+      status.message(),
+      HasSubstr("Only one of AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, AT_TICK and "
+                "AT_TIMESTAMP tags is allowed and required to specify output "
+                "stream(s)."));
 }

-TEST(SidePacketToStreamCalculator, WrongConfigWithMixedTags) {
+TEST(SidePacketToStreamCalculator, WrongConfig_MixedTags) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
@ -145,13 +117,14 @@ TEST(SidePacketToStreamCalculator, WrongConfigWithMixedTags) {
  CalculatorGraph graph;
  auto status = graph.Initialize(graph_config);
  EXPECT_FALSE(status.ok());
-  EXPECT_THAT(status.message(),
-              HasSubstr("Only one of AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, "
-                        "AT_TICK, AT_FIRST_TICK and AT_TIMESTAMP tags is "
-                        "allowed and required to specify output stream(s)."));
+  EXPECT_THAT(
+      status.message(),
+      HasSubstr("Only one of AT_PRESTREAM, AT_POSTSTREAM, AT_ZERO, AT_TICK and "
+                "AT_TIMESTAMP tags is allowed and required to specify output "
+                "stream(s)."));
 }

-TEST(SidePacketToStreamCalculator, WrongConfigWithNotEnoughSidePackets) {
+TEST(SidePacketToStreamCalculator, WrongConfig_NotEnoughSidePackets) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
@ -173,7 +146,7 @@ TEST(SidePacketToStreamCalculator, WrongConfigWithNotEnoughSidePackets) {
          "Same number of input side packets and output streams is required."));
 }

-TEST(SidePacketToStreamCalculator, WrongConfigWithNotEnoughOutputStreams) {
+TEST(SidePacketToStreamCalculator, WrongConfig_NotEnoughOutputStreams) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
@ -275,50 +248,7 @@ TEST(SidePacketToStreamCalculator, AtTick) {
  tick_and_verify(/*at_timestamp=*/1025);
 }

-TEST(SidePacketToStreamCalculator, AtFirstTick) {
-  CalculatorGraphConfig graph_config =
-      ParseTextProtoOrDie<CalculatorGraphConfig>(
-          R"pb(
-            input_stream: "tick"
-            input_side_packet: "side_packet"
-            output_stream: "packet"
-            node {
-              calculator: "SidePacketToStreamCalculator"
-              input_stream: "TICK:tick"
-              input_side_packet: "side_packet"
-              output_stream: "AT_FIRST_TICK:packet"
-            }
-          )pb");
-  std::vector<Packet> output_packets;
-  tool::AddVectorSink("packet", &graph_config, &output_packets);
-  CalculatorGraph graph;
-
-  MP_ASSERT_OK(graph.Initialize(graph_config));
-  const int expected_value = 20;
-  const Timestamp kTestTimestamp(1234);
-  MP_ASSERT_OK(
-      graph.StartRun({{"side_packet", MakePacket<int>(expected_value)}}));
-
-  auto insert_tick = [&graph](Timestamp at_timestamp) {
-    MP_ASSERT_OK(graph.AddPacketToInputStream(
-        "tick", MakePacket<int>(/*doesn't matter*/ 1).At(at_timestamp)));
-    MP_ASSERT_OK(graph.WaitUntilIdle());
-  };
-
-  insert_tick(kTestTimestamp);
-
-  EXPECT_THAT(output_packets,
-              ElementsAre(PacketContainsTimestampAndPayload<int>(
-                  Eq(kTestTimestamp), Eq(expected_value))));
-
-  output_packets.clear();
-
-  // Should not result in an additional output.
-  insert_tick(kTestTimestamp + 1);
-  EXPECT_THAT(output_packets, IsEmpty());
-}
-
-TEST(SidePacketToStreamCalculator, AtTickWithMultipleSidePackets) {
+TEST(SidePacketToStreamCalculator, AtTick_MultipleSidePackets) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
@ -372,62 +302,6 @@ TEST(SidePacketToStreamCalculator, AtTickWithMultipleSidePackets) {
  tick_and_verify(/*at_timestamp=*/1025);
 }

-TEST(SidePacketToStreamCalculator, AtFirstTickWithMultipleSidePackets) {
-  CalculatorGraphConfig graph_config =
-      ParseTextProtoOrDie<CalculatorGraphConfig>(
-          R"pb(
-            input_stream: "tick"
-            input_side_packet: "side_packet0"
-            input_side_packet: "side_packet1"
-            output_stream: "packet0"
-            output_stream: "packet1"
-            node {
-              calculator: "SidePacketToStreamCalculator"
-              input_stream: "TICK:tick"
-              input_side_packet: "side_packet0"
-              input_side_packet: "side_packet1"
-              output_stream: "AT_FIRST_TICK:0:packet0"
-              output_stream: "AT_FIRST_TICK:1:packet1"
-            }
-          )pb");
-  std::vector<Packet> output_packets0;
-  tool::AddVectorSink("packet0", &graph_config, &output_packets0);
-  std::vector<Packet> output_packets1;
-  tool::AddVectorSink("packet1", &graph_config, &output_packets1);
-  CalculatorGraph graph;
-
-  MP_ASSERT_OK(graph.Initialize(graph_config));
-  const int expected_value0 = 20;
-  const int expected_value1 = 128;
-  const Timestamp kTestTimestamp(1234);
-  MP_ASSERT_OK(
-      graph.StartRun({{"side_packet0", MakePacket<int>(expected_value0)},
-                      {"side_packet1", MakePacket<int>(expected_value1)}}));
-
-  auto insert_tick = [&graph](Timestamp at_timestamp) {
-    MP_ASSERT_OK(graph.AddPacketToInputStream(
-        "tick", MakePacket<int>(/*doesn't matter*/ 1).At(at_timestamp)));
-    MP_ASSERT_OK(graph.WaitUntilIdle());
-  };
-
-  insert_tick(kTestTimestamp);
-
-  EXPECT_THAT(output_packets0,
-              ElementsAre(PacketContainsTimestampAndPayload<int>(
-                  Eq(kTestTimestamp), Eq(expected_value0))));
-  EXPECT_THAT(output_packets1,
-              ElementsAre(PacketContainsTimestampAndPayload<int>(
-                  Eq(kTestTimestamp), Eq(expected_value1))));
-
-  output_packets0.clear();
-  output_packets1.clear();
-
-  // Should not result in an additional output.
-  insert_tick(kTestTimestamp + 1);
-  EXPECT_THAT(output_packets0, IsEmpty());
-  EXPECT_THAT(output_packets1, IsEmpty());
-}
-
 TEST(SidePacketToStreamCalculator, AtTimestamp) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
@ -460,7 +334,7 @@ TEST(SidePacketToStreamCalculator, AtTimestamp) {
  EXPECT_EQ(expected_value, output_packets.back().Get<int>());
 }

-TEST(SidePacketToStreamCalculator, AtTimestampWithMultipleOutputs) {
+TEST(SidePacketToStreamCalculator, AtTimestamp_MultipleOutputs) {
  CalculatorGraphConfig graph_config =
      ParseTextProtoOrDie<CalculatorGraphConfig>(
          R"pb(
--- a/mediapipe/calculators/core/split_proto_list_calculator.cc
+++ b/mediapipe/calculators/core/split_proto_list_calculator.cc
@ -17,7 +17,6 @@

 #include "mediapipe/calculators/core/split_vector_calculator.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
-#include "mediapipe/framework/formats/body_rig.pb.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
 #include "mediapipe/framework/port/canonical_errors.h"
 #include "mediapipe/framework/port/ret_check.h"
@ -197,18 +196,6 @@ class SplitLandmarkListCalculator
 };
 REGISTER_CALCULATOR(SplitLandmarkListCalculator);

-class SplitJointListCalculator : public SplitListsCalculator<Joint, JointList> {
- protected:
-  int ListSize(const JointList& list) const override {
-    return list.joint_size();
-  }
-  const Joint GetItem(const JointList& list, int idx) const override {
-    return list.joint(idx);
-  }
-  Joint* AddItem(JointList& list) const override { return list.add_joint(); }
-};
-REGISTER_CALCULATOR(SplitJointListCalculator);
-
 }  // namespace mediapipe

 // NOLINTNEXTLINE
--- a/mediapipe/calculators/core/split_vector_calculator.cc
+++ b/mediapipe/calculators/core/split_vector_calculator.cc
@ -18,7 +18,6 @@

 #include "mediapipe/framework/formats/classification.pb.h"
 #include "mediapipe/framework/formats/detection.pb.h"
-#include "mediapipe/framework/formats/image.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
 #include "mediapipe/framework/formats/matrix.h"
 #include "mediapipe/framework/formats/rect.pb.h"
@ -87,12 +86,4 @@ REGISTER_CALCULATOR(SplitUint64tVectorCalculator);
 typedef SplitVectorCalculator<float, false> SplitFloatVectorCalculator;
 REGISTER_CALCULATOR(SplitFloatVectorCalculator);

-typedef SplitVectorCalculator<mediapipe::Image, false>
-    SplitImageVectorCalculator;
-REGISTER_CALCULATOR(SplitImageVectorCalculator);
-
-typedef SplitVectorCalculator<std::array<float, 16>, false>
-    SplitAffineMatrixVectorCalculator;
-REGISTER_CALCULATOR(SplitAffineMatrixVectorCalculator);
-
 }  // namespace mediapipe
--- a/mediapipe/calculators/core/stream_to_side_packet_calculator.cc
+++ b/mediapipe/calculators/core/stream_to_side_packet_calculator.cc
@ -12,13 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#include "mediapipe/framework/api2/node.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/port/status.h"
 #include "mediapipe/framework/timestamp.h"

 namespace mediapipe {
-namespace api2 {

 // A calculator that takes a packet of an input stream and converts it to an
 // output side packet. This calculator only works under the assumption that the
@ -30,21 +28,21 @@ namespace api2 {
 //   input_stream: "stream"
 //   output_side_packet: "side_packet"
 // }
-class StreamToSidePacketCalculator : public Node {
+class StreamToSidePacketCalculator : public mediapipe::CalculatorBase {
 public:
-  static constexpr Input<AnyType>::Optional kIn{""};
-  static constexpr SideOutput<SameType<kIn>> kOut{""};
-
-  MEDIAPIPE_NODE_CONTRACT(kIn, kOut);
+  static absl::Status GetContract(mediapipe::CalculatorContract* cc) {
+    cc->Inputs().Index(0).SetAny();
+    cc->OutputSidePackets().Index(0).SetAny();
+    return absl::OkStatus();
+  }

  absl::Status Process(mediapipe::CalculatorContext* cc) override {
-    kOut(cc).Set(
-        kIn(cc).packet().As<AnyType>().At(mediapipe::Timestamp::Unset()));
+    mediapipe::Packet& packet = cc->Inputs().Index(0).Value();
+    cc->OutputSidePackets().Index(0).Set(
+        packet.At(mediapipe::Timestamp::Unset()));
    return absl::OkStatus();
  }
 };
+REGISTER_CALCULATOR(StreamToSidePacketCalculator);

-MEDIAPIPE_REGISTER_NODE(StreamToSidePacketCalculator);
-
-}  // namespace api2
 }  // namespace mediapipe
--- a/mediapipe/calculators/core/string_to_int_calculator.cc
+++ b/mediapipe/calculators/core/string_to_int_calculator.cc
@ -64,16 +64,16 @@ REGISTER_CALCULATOR(StringToIntCalculator);
 using StringToUintCalculator = StringToIntCalculatorTemplate<unsigned int>;
 REGISTER_CALCULATOR(StringToUintCalculator);

-using StringToInt32Calculator = StringToIntCalculatorTemplate<int32_t>;
+using StringToInt32Calculator = StringToIntCalculatorTemplate<int32>;
 REGISTER_CALCULATOR(StringToInt32Calculator);

-using StringToUint32Calculator = StringToIntCalculatorTemplate<uint32_t>;
+using StringToUint32Calculator = StringToIntCalculatorTemplate<uint32>;
 REGISTER_CALCULATOR(StringToUint32Calculator);

-using StringToInt64Calculator = StringToIntCalculatorTemplate<int64_t>;
+using StringToInt64Calculator = StringToIntCalculatorTemplate<int64>;
 REGISTER_CALCULATOR(StringToInt64Calculator);

-using StringToUint64Calculator = StringToIntCalculatorTemplate<uint64_t>;
+using StringToUint64Calculator = StringToIntCalculatorTemplate<uint64>;
 REGISTER_CALCULATOR(StringToUint64Calculator);

 }  // namespace mediapipe
--- a/mediapipe/calculators/core/value_or_default_calculator.cc
+++ b/mediapipe/calculators/core/value_or_default_calculator.cc
@ -1,90 +0,0 @@
-#include "mediapipe/framework/calculator_framework.h"
-#include "mediapipe/framework/port/status.h"
-
-namespace mediapipe {
-namespace {
-
-constexpr char kInputValueTag[] = "IN";
-constexpr char kTickerTag[] = "TICK";
-constexpr char kOutputTag[] = "OUT";
-constexpr char kIndicationTag[] = "FLAG";
-
-}  // namespace
-// For every packet received on the TICK stream, if the IN stream is not
-// empty - emit its value as is as OUT. Otherwise output a default packet.
-// FLAG outputs true every time the default value has been used. It does not
-//   output anything when IN has a value.
-//
-// Example config:
-// node {
-//   calculator: "ValueOrDefaultCalculator"
-//   input_stream: "IN:sometimes_missing_value"
-//   input_stream: "TICK:clock"
-//   output_stream: "OUT:value_or_default"
-//   output_stream: "FLAG:used_default"
-//   input_side_packet: "default"
-// }
-//
-// TODO: Consider adding an option for a default value as a input-stream
-// instead of a side-packet, so it will enable using standard calculators
-// instead of creating a new packet-generators. It will also allow a dynamic
-// default value.
-class ValueOrDefaultCalculator : public mediapipe::CalculatorBase {
- public:
-  ValueOrDefaultCalculator() {}
-
-  ValueOrDefaultCalculator(const ValueOrDefaultCalculator&) = delete;
-  ValueOrDefaultCalculator& operator=(const ValueOrDefaultCalculator&) = delete;
-
-  static mediapipe::Status GetContract(mediapipe::CalculatorContract* cc) {
-    cc->Inputs().Tag(kInputValueTag).SetAny();
-    cc->Inputs().Tag(kTickerTag).SetAny();
-    cc->Outputs().Tag(kOutputTag).SetSameAs(&cc->Inputs().Tag(kInputValueTag));
-    cc->Outputs().Tag(kIndicationTag).Set<bool>();
-    cc->InputSidePackets().Index(0).SetSameAs(
-        &cc->Inputs().Tag(kInputValueTag));
-
-    return mediapipe::OkStatus();
-  }
-
-  mediapipe::Status Open(mediapipe::CalculatorContext* cc) override {
-    if (!cc->Inputs().Tag(kInputValueTag).Header().IsEmpty()) {
-      cc->Outputs()
-          .Tag(kOutputTag)
-          .SetHeader(cc->Inputs().Tag(kInputValueTag).Header());
-    }
-    default_ = cc->InputSidePackets().Index(0);
-    cc->SetOffset(mediapipe::TimestampDiff(0));
-    return mediapipe::OkStatus();
-  }
-
-  mediapipe::Status Process(mediapipe::CalculatorContext* cc) override {
-    // Output according to the TICK signal.
-    if (cc->Inputs().Tag(kTickerTag).IsEmpty()) {
-      return mediapipe::OkStatus();
-    }
-    if (!cc->Inputs().Tag(kInputValueTag).IsEmpty()) {
-      // Output the input as is:
-      cc->Outputs()
-          .Tag(kOutputTag)
-          .AddPacket(cc->Inputs().Tag(kInputValueTag).Value());
-    } else {
-      // Output default:
-      cc->Outputs()
-          .Tag(kOutputTag)
-          .AddPacket(default_.At(cc->InputTimestamp()));
-      cc->Outputs()
-          .Tag(kIndicationTag)
-          .Add(new bool(true), cc->InputTimestamp());
-    }
-    return mediapipe::OkStatus();
-  }
-
- private:
-  // The default value to replicate every time there is no new value.
-  mediapipe::Packet default_;
-};
-
-REGISTER_CALCULATOR(ValueOrDefaultCalculator);
-
-}  // namespace mediapipe
--- a/mediapipe/calculators/core/value_or_default_calculator_test.cc
+++ b/mediapipe/calculators/core/value_or_default_calculator_test.cc
@ -1,240 +0,0 @@
-#include <algorithm>
-#include <cstdint>
-#include <vector>
-
-#include "mediapipe/framework/calculator_framework.h"
-#include "mediapipe/framework/calculator_runner.h"
-#include "mediapipe/framework/packet.h"
-#include "mediapipe/framework/port/gmock.h"
-#include "mediapipe/framework/port/gtest.h"
-#include "mediapipe/framework/port/status_matchers.h"
-
-namespace mediapipe {
-namespace {
-
-using ::testing::AllOf;
-using ::testing::ContainerEq;
-using ::testing::Each;
-using ::testing::ElementsAre;
-using ::testing::IsEmpty;
-using ::testing::SizeIs;
-using ::testing::Test;
-
-const int kDefaultValue = 0;
-
-// Utility to a create a mediapipe graph runner with the tested calculator and a
-// default value, for all the tests.
-class ValueOrDefaultRunner : public mediapipe::CalculatorRunner {
- public:
-  ValueOrDefaultRunner()
-      : mediapipe::CalculatorRunner(R"pb(
-          calculator: "ValueOrDefaultCalculator"
-          input_stream: "IN:in"
-          input_stream: "TICK:tick"
-          input_side_packet: "default"
-          output_stream: "OUT:out"
-          output_stream: "FLAG:used_default"
-        )pb") {
-    MutableSidePackets()->Index(0) = mediapipe::MakePacket<int>(kDefaultValue);
-  }
-
-  // Utility to push inputs to the runner to the TICK stream, so we could easily
-  // tick.
-  void TickAt(int64_t time) {
-    // The type or value of the stream isn't relevant, we use just a bool.
-    MutableInputs()->Tag("TICK").packets.push_back(
-        mediapipe::Adopt(new bool(false)).At(mediapipe::Timestamp(time)));
-  }
-
-  // Utility to push the real inputs to the runner (IN stream).
-  void ProvideInput(int64_t time, int value) {
-    MutableInputs()->Tag("IN").packets.push_back(
-        mediapipe::Adopt(new int(value)).At(mediapipe::Timestamp(time)));
-  }
-
-  // Extracts the timestamps (as int64) of the output stream of the calculator.
-  std::vector<int64_t> GetOutputTimestamps() const {
-    std::vector<int64_t> timestamps;
-    for (const mediapipe::Packet& packet : Outputs().Tag("OUT").packets) {
-      timestamps.emplace_back(packet.Timestamp().Value());
-    }
-    return timestamps;
-  }
-
-  // Extracts the values from the output stream of the calculator.
-  std::vector<int> GetOutputValues() const {
-    std::vector<int> values;
-    for (const mediapipe::Packet& packet : Outputs().Tag("OUT").packets) {
-      values.emplace_back(packet.Get<int>());
-    }
-    return values;
-  }
-
-  // Extracts the timestamps (as int64) of the flag stream, which indicates on
-  // times without an input value (i.e. using the default value).
-  std::vector<int64_t> GetFlagTimestamps() const {
-    std::vector<int64_t> timestamps;
-    for (const mediapipe::Packet& packet : Outputs().Tag("FLAG").packets) {
-      timestamps.emplace_back(packet.Timestamp().Value());
-    }
-    return timestamps;
-  }
-
-  // Extracts the output from the flags stream (which should always be true).
-  std::vector<bool> GetFlagValues() const {
-    std::vector<bool> flags;
-    for (const mediapipe::Packet& packet : Outputs().Tag("FLAG").packets) {
-      flags.emplace_back(packet.Get<bool>());
-    }
-    return flags;
-  }
-};
-
-// To be used as input values:
-std::vector<int> GetIntegersRange(int size) {
-  std::vector<int> result;
-  for (int i = 0; i < size; ++i) {
-    // We start with default-value+1 so it won't contain the default value.
-    result.push_back(kDefaultValue + 1 + i);
-  }
-  return result;
-}
-
-TEST(ValueOrDefaultCalculatorTest, NoInputs) {
-  // Check that when no real inputs are provided - we get the default value over
-  // and over, with the correct timestamps.
-  ValueOrDefaultRunner runner;
-  const std::vector<int64_t> ticks = {0, 1, 2, 5, 8, 12, 33, 231};
-
-  for (int tick : ticks) {
-    runner.TickAt(tick);
-  }
-
-  MP_EXPECT_OK(runner.Run());
-
-  // Make sure we get the right timestamps:
-  EXPECT_THAT(runner.GetOutputTimestamps(), ContainerEq(ticks));
-  // All should be default value:
-  EXPECT_THAT(runner.GetOutputValues(),
-              AllOf(Each(kDefaultValue), SizeIs(ticks.size())));
-  // We should get the default indication all the time:
-  EXPECT_THAT(runner.GetFlagTimestamps(), ContainerEq(ticks));
-}
-
-TEST(ValueOrDefaultCalculatorTest, NeverDefault) {
-  // Check that when we provide the inputs on time - we get them as outputs.
-  ValueOrDefaultRunner runner;
-  const std::vector<int64_t> ticks = {0, 1, 2, 5, 8, 12, 33, 231};
-  const std::vector<int> values = GetIntegersRange(ticks.size());
-
-  for (int i = 0; i < ticks.size(); ++i) {
-    runner.TickAt(ticks[i]);
-    runner.ProvideInput(ticks[i], values[i]);
-  }
-
-  MP_EXPECT_OK(runner.Run());
-
-  // Make sure we get the right timestamps:
-  EXPECT_THAT(runner.GetOutputTimestamps(), ContainerEq(ticks));
-  // Should get the inputs values:
-  EXPECT_THAT(runner.GetOutputValues(), ContainerEq(values));
-  // We should never get the default indication:
-  EXPECT_THAT(runner.GetFlagTimestamps(), IsEmpty());
-}
-
-TEST(ValueOrDefaultCalculatorTest, DefaultAndValues) {
-  // Check that when we provide inputs only part of the time - we get them, but
-  // defaults at the missing times.
-  // That's the usual use case for this calculator.
-  ValueOrDefaultRunner runner;
-  const std::vector<int64_t> ticks = {0, 1, 5, 8, 12, 231};
-  // Provide inputs only part of the ticks.
-  // Chosen so there will be defaults before the first input, between the
-  // inputs and after the last input.
-  const std::vector<int64_t> in_ticks = {/*0,*/ 1, 5, /*8,*/ 12, /*, 231*/};
-  const std::vector<int> in_values = GetIntegersRange(in_ticks.size());
-
-  for (int tick : ticks) {
-    runner.TickAt(tick);
-  }
-  for (int i = 0; i < in_ticks.size(); ++i) {
-    runner.ProvideInput(in_ticks[i], in_values[i]);
-  }
-
-  MP_EXPECT_OK(runner.Run());
-
-  // Make sure we get all the timestamps:
-  EXPECT_THAT(runner.GetOutputTimestamps(), ContainerEq(ticks));
-  // The timestamps of the flag should be exactly the ones not in in_ticks.
-  EXPECT_THAT(runner.GetFlagTimestamps(), ElementsAre(0, 8, 231));
-  // And the values are default in these times, and the input values for
-  // in_ticks.
-  EXPECT_THAT(
-      runner.GetOutputValues(),
-      ElementsAre(kDefaultValue, 1, 2, kDefaultValue, 3, kDefaultValue));
-}
-
-TEST(ValueOrDefaultCalculatorTest, TimestampsMismatch) {
-  // Check that when we provide the inputs not on time - we don't get them.
-  ValueOrDefaultRunner runner;
-  const std::vector<int64_t> ticks = {1, 2, 5, 8, 12, 33, 231};
-  // The timestamps chosen so it will be before the first tick, in between ticks
-  // and after the last one. Also - more inputs than ticks.
-  const std::vector<int64_t> in_ticks = {0,  3,  4,  6,  7,  9,  10,
-                                         11, 13, 14, 15, 16, 232};
-  const std::vector<int> in_values = GetIntegersRange(in_ticks.size());
-  for (int tick : ticks) {
-    runner.TickAt(tick);
-  }
-  for (int i = 0; i < in_ticks.size(); ++i) {
-    runner.ProvideInput(in_ticks[i], in_values[i]);
-  }
-
-  MP_EXPECT_OK(runner.Run());
-
-  // Non of the in_ticks should be inserted:
-  EXPECT_THAT(runner.GetOutputTimestamps(), ContainerEq(ticks));
-  EXPECT_THAT(runner.GetOutputValues(),
-              AllOf(Each(kDefaultValue), SizeIs(ticks.size())));
-  // All (and only) ticks should get the default.
-  EXPECT_THAT(runner.GetFlagTimestamps(), ContainerEq(ticks));
-}
-
-TEST(ValueOrDefaultCalculatorTest, FlagValue) {
-  // Since we anyway suppose that the Flag is a bool - there is nothing
-  // interesting to check, but we should check once that the value is the right
-  // (true) one.
-  ValueOrDefaultRunner runner;
-  runner.TickAt(0);
-  MP_EXPECT_OK(runner.Run());
-  EXPECT_THAT(runner.GetFlagValues(), ElementsAre(true));
-}
-
-TEST(ValueOrDefaultCalculatorTest, FullTest) {
-  // Make sure that nothing gets wrong with an input that have both right and
-  // wrong timestamps, some defaults etc.
-  ValueOrDefaultRunner runner;
-  const std::vector<int64_t> ticks = {1, 2, 5, 8, 12, 33, 231};
-  const std::vector<int64_t> in_ticks = {0, 2, 4, 6, 8, 9, 12, 33, 54, 232};
-  const std::vector<int> in_values = GetIntegersRange(in_ticks.size());
-
-  for (int tick : ticks) {
-    runner.TickAt(tick);
-  }
-  for (int i = 0; i < in_ticks.size(); ++i) {
-    runner.ProvideInput(in_ticks[i], in_values[i]);
-  }
-
-  MP_EXPECT_OK(runner.Run());
-
-  EXPECT_THAT(runner.GetOutputTimestamps(), ContainerEq(ticks));
-  // Calculated by hand:
-  EXPECT_THAT(
-      runner.GetOutputValues(),
-      ElementsAre(kDefaultValue, 2, kDefaultValue, 5, 7, 8, kDefaultValue));
-  EXPECT_THAT(runner.GetFlagTimestamps(), ElementsAre(1, 5, 231));
-  EXPECT_THAT(runner.GetFlagValues(), AllOf(Each(true), SizeIs(3)));
-}
-
-}  // namespace
-}  // namespace mediapipe
--- a/mediapipe/calculators/image/BUILD
+++ b/mediapipe/calculators/image/BUILD
@ -97,7 +97,6 @@ cc_library(
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:source_location",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/log:absl_check",
    ],
    alwayslink = 1,
 )
@ -126,7 +125,6 @@ cc_library(
        "//mediapipe/framework/port:opencv_imgcodecs",
        "//mediapipe/framework/port:opencv_imgproc",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/log:absl_check",
    ],
    alwayslink = 1,
 )
@ -137,6 +135,7 @@ cc_library(
    deps = [
        "//mediapipe/framework:calculator_framework",
        "//mediapipe/framework/formats:image_frame_opencv",
+        "//mediapipe/framework/port:opencv_imgcodecs",
        "//mediapipe/framework/port:opencv_imgproc",
        "//mediapipe/framework/port:status",
    ],
@ -153,11 +152,11 @@ cc_library(
        "//mediapipe/framework/formats:image_format_cc_proto",
        "//mediapipe/framework/formats:image_frame",
        "//mediapipe/framework/formats:image_frame_opencv",
+        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:opencv_core",
        "//mediapipe/framework/port:opencv_imgproc",
        "//mediapipe/framework/port:status",
        "//mediapipe/framework/port:vector",
-        "@com_google_absl//absl/log:absl_log",
    ] + select({
        "//mediapipe/gpu:disable_gpu": [],
        "//conditions:default": [
@ -204,7 +203,6 @@ cc_library(
        "//mediapipe/framework/port:opencv_imgproc",
        "//mediapipe/framework/port:status",
        "//mediapipe/framework/port:vector",
-        "@com_google_absl//absl/log:absl_check",
        "@com_google_absl//absl/strings",
    ] + select({
        "//mediapipe/gpu:disable_gpu": [],
@ -264,12 +262,9 @@ cc_library(
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
        "//mediapipe/gpu:scale_mode_cc_proto",
-        "@com_google_absl//absl/status",
-        "@com_google_absl//absl/strings",
    ] + select({
        "//mediapipe/gpu:disable_gpu": [],
        "//conditions:default": [
-            "//mediapipe/gpu:gl_base_hdr",
            "//mediapipe/gpu:gl_calculator_helper",
            "//mediapipe/gpu:gl_quad_renderer",
            "//mediapipe/gpu:gl_simple_shaders",
@ -279,38 +274,6 @@ cc_library(
    alwayslink = 1,
 )

-cc_test(
-    name = "image_transformation_calculator_test",
-    srcs = ["image_transformation_calculator_test.cc"],
-    data = ["//mediapipe/calculators/image/testdata:test_images"],
-    tags = [
-        "desktop_only_test",
-    ],
-    deps = [
-        ":image_transformation_calculator",
-        "//mediapipe/framework:calculator_cc_proto",
-        "//mediapipe/framework:calculator_framework",
-        "//mediapipe/framework:calculator_runner",
-        "//mediapipe/framework/deps:file_path",
-        "//mediapipe/framework/formats:image_format_cc_proto",
-        "//mediapipe/framework/formats:image_frame",
-        "//mediapipe/framework/formats:image_frame_opencv",
-        "//mediapipe/framework/port:gtest",
-        "//mediapipe/framework/port:opencv_imgcodecs",
-        "//mediapipe/framework/port:opencv_imgproc",
-        "//mediapipe/framework/port:parse_text_proto",
-        "//mediapipe/gpu:gpu_buffer_to_image_frame_calculator",
-        "//mediapipe/gpu:image_frame_to_gpu_buffer_calculator",
-        "//mediapipe/gpu:multi_pool",
-        "//third_party:opencv",
-        "@com_google_absl//absl/container:flat_hash_set",
-        "@com_google_absl//absl/flags:flag",
-        "@com_google_absl//absl/log:absl_check",
-        "@com_google_absl//absl/strings",
-        "@com_google_googletest//:gtest_main",
-    ],
-)
-
 cc_library(
    name = "image_cropping_calculator",
    srcs = ["image_cropping_calculator.cc"],
@ -338,7 +301,6 @@ cc_library(
        "//mediapipe/framework/port:opencv_imgproc",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/log:absl_log",
    ] + select({
        "//mediapipe/gpu:disable_gpu": [],
        "//conditions:default": [
@ -355,7 +317,6 @@ cc_library(
 cc_test(
    name = "image_cropping_calculator_test",
    srcs = ["image_cropping_calculator_test.cc"],
-    tags = ["not_run:arm"],
    deps = [
        ":image_cropping_calculator",
        ":image_cropping_calculator_cc_proto",
@ -435,7 +396,6 @@ cc_library(
        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
-        "@com_google_absl//absl/log:absl_check",
        "@com_google_absl//absl/strings",
    ],
 )
@ -460,8 +420,6 @@ cc_library(
        "//mediapipe/framework/port:ret_check",
        "//mediapipe/framework/port:status",
        "//mediapipe/util:image_frame_util",
-        "@com_google_absl//absl/log:absl_check",
-        "@com_google_absl//absl/log:absl_log",
        "@com_google_absl//absl/strings",
        "@libyuv",
    ],
@ -667,9 +625,9 @@ cc_library(
        "//mediapipe/framework/formats:image",
        "//mediapipe/framework/formats:image_format_cc_proto",
        "//mediapipe/framework/formats:image_frame",
+        "//mediapipe/framework/port:logging",
        "//mediapipe/framework/port:status",
        "//mediapipe/framework/port:vector",
-        "@com_google_absl//absl/log:absl_log",
    ] + select({
        "//mediapipe/gpu:disable_gpu": [],
        "//conditions:default": [
@ -692,7 +650,6 @@ cc_library(
 cc_test(
    name = "segmentation_smoothing_calculator_test",
    srcs = ["segmentation_smoothing_calculator_test.cc"],
-    tags = ["not_run:arm"],
    deps = [
        ":image_clone_calculator",
        ":image_clone_calculator_cc_proto",
@ -707,7 +664,6 @@ cc_test(
        "//mediapipe/framework/port:opencv_imgcodecs",
        "//mediapipe/framework/port:opencv_imgproc",
        "//mediapipe/framework/port:parse_text_proto",
-        "@com_google_absl//absl/log:absl_log",
    ],
 )

@ -730,7 +686,6 @@ cc_library(
        "//mediapipe/gpu:gpu_buffer",
        "//mediapipe/gpu:gpu_origin_cc_proto",
        "//mediapipe/gpu:shader_util",
-        "@com_google_absl//absl/log:absl_log",
        "@com_google_absl//absl/memory",
        "@com_google_absl//absl/status",
        "@com_google_absl//absl/status:statusor",
@ -788,7 +743,6 @@ cc_library(
            ":affine_transformation_runner_gl",
            "//mediapipe/gpu:gl_calculator_helper",
            "//mediapipe/gpu:gpu_buffer",
-            "//mediapipe/gpu:gpu_service",
        ],
    }) + select({
        "//mediapipe/framework/port:disable_opencv": [],
@ -817,10 +771,7 @@ cc_test(
        "//mediapipe/calculators/tensor:testdata/image_to_tensor/medium_sub_rect_with_rotation_border_zero_interp_cubic.png",
        "//mediapipe/calculators/tensor:testdata/image_to_tensor/noop_except_range.png",
    ],
-    tags = [
-        "desktop_only_test",
-        "not_run:arm",
-    ],
+    tags = ["desktop_only_test"],
    deps = [
        ":affine_transformation",
        ":image_transformation_calculator",
--- a/mediapipe/calculators/image/affine_transformation_runner_gl.cc
+++ b/mediapipe/calculators/image/affine_transformation_runner_gl.cc
@ -20,7 +20,6 @@
 #include "Eigen/Core"
 #include "Eigen/Geometry"
 #include "Eigen/LU"
-#include "absl/log/absl_log.h"
 #include "absl/memory/memory.h"
 #include "absl/status/status.h"
 #include "absl/status/statusor.h"
@ -54,10 +53,6 @@ bool IsMatrixVerticalFlipNeeded(GpuOrigin::Mode gpu_origin) {
 #endif  //  __APPLE__
    case GpuOrigin::TOP_LEFT:
      return false;
-    default:
-      ABSL_LOG(ERROR) << "Incorrect GpuOrigin: "
-                      << static_cast<int>(gpu_origin);
-      return true;
  }
 }

@ -223,7 +218,7 @@ class GlTextureWarpAffineRunner
          absl::StrCat(mediapipe::kMediaPipeFragmentShaderPreamble,
                       interpolation_def, kFragShader);

-      MP_ASSIGN_OR_RETURN(program_, create_fn(vert_src, frag_src));
+      ASSIGN_OR_RETURN(program_, create_fn(vert_src, frag_src));

      auto create_custom_zero_fn = [&]() -> absl::StatusOr<Program> {
        std::string custom_zero_border_mode_def = R"(
@ -236,10 +231,10 @@ class GlTextureWarpAffineRunner
      };
 #if GL_CLAMP_TO_BORDER_MAY_BE_SUPPORTED
      if (!IsGlClampToBorderSupported(gl_helper_->GetGlContext())) {
-        MP_ASSIGN_OR_RETURN(program_custom_zero_, create_custom_zero_fn());
+        ASSIGN_OR_RETURN(program_custom_zero_, create_custom_zero_fn());
      }
 #else
-      MP_ASSIGN_OR_RETURN(program_custom_zero_, create_custom_zero_fn());
+      ASSIGN_OR_RETURN(program_custom_zero_, create_custom_zero_fn());
 #endif  // GL_CLAMP_TO_BORDER_MAY_BE_SUPPORTED

      glGenFramebuffers(1, &framebuffer_);
@ -389,8 +384,6 @@ class GlTextureWarpAffineRunner
    glActiveTexture(GL_TEXTURE0);
    glBindTexture(GL_TEXTURE_2D, 0);

-    glFlush();
-
    return absl::OkStatus();
  }

--- a/mediapipe/calculators/image/affine_transformation_runner_opencv.cc
+++ b/mediapipe/calculators/image/affine_transformation_runner_opencv.cc
@ -59,7 +59,7 @@ class OpenCvRunner
      const ImageFrame& input, const std::array<float, 16>& matrix,
      const AffineTransformation::Size& size,
      AffineTransformation::BorderMode border_mode) override {
-    // OpenCV warpAffine works in absolute coordinates, so the transform (which
+    // OpenCV warpAffine works in absolute coordinates, so the transfom (which
    // accepts and produces relative coordinates) should be adjusted to first
    // normalize coordinates and then scale them.
    // clang-format off
--- a/mediapipe/calculators/image/bilateral_filter_calculator.cc
+++ b/mediapipe/calculators/image/bilateral_filter_calculator.cc
@ -15,7 +15,6 @@
 #include <memory>
 #include <string>

-#include "absl/log/absl_check.h"
 #include "absl/strings/str_replace.h"
 #include "mediapipe/calculators/image/bilateral_filter_calculator.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
@ -113,7 +112,7 @@ class BilateralFilterCalculator : public CalculatorBase {
 REGISTER_CALCULATOR(BilateralFilterCalculator);

 absl::Status BilateralFilterCalculator::GetContract(CalculatorContract* cc) {
-  RET_CHECK_GE(cc->Inputs().NumEntries(), 1);
+  CHECK_GE(cc->Inputs().NumEntries(), 1);

  if (cc->Inputs().HasTag(kInputFrameTag) &&
      cc->Inputs().HasTag(kInputFrameTagGpu)) {
@ -184,8 +183,8 @@ absl::Status BilateralFilterCalculator::Open(CalculatorContext* cc) {

  sigma_color_ = options_.sigma_color();
  sigma_space_ = options_.sigma_space();
-  ABSL_CHECK_GE(sigma_color_, 0.0);
-  ABSL_CHECK_GE(sigma_space_, 0.0);
+  CHECK_GE(sigma_color_, 0.0);
+  CHECK_GE(sigma_space_, 0.0);
  if (!use_gpu_) sigma_color_ *= 255.0;

  if (use_gpu_) {
--- a/mediapipe/calculators/image/color_convert_calculator.cc
+++ b/mediapipe/calculators/image/color_convert_calculator.cc
@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#include "absl/log/absl_check.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/formats/image_frame.h"
 #include "mediapipe/framework/formats/image_frame_opencv.h"
@ -26,8 +25,8 @@
 namespace mediapipe {
 namespace {
 void SetColorChannel(int channel, uint8 value, cv::Mat* mat) {
-  ABSL_CHECK(mat->depth() == CV_8U);
-  ABSL_CHECK(channel < mat->channels());
+  CHECK(mat->depth() == CV_8U);
+  CHECK(channel < mat->channels());
  const int step = mat->channels();
  for (int r = 0; r < mat->rows; ++r) {
    uint8* row_ptr = mat->ptr<uint8>(r);
--- a/mediapipe/calculators/image/image_clone_calculator.cc
+++ b/mediapipe/calculators/image/image_clone_calculator.cc
@ -64,8 +64,7 @@ class ImageCloneCalculator : public Node {
          "GPU processing is disabled in build flags");
    }
 #else
-    MP_RETURN_IF_ERROR(mediapipe::GlCalculatorHelper::UpdateContract(
-        cc, /*request_gpu_as_optional=*/true));
+    MP_RETURN_IF_ERROR(mediapipe::GlCalculatorHelper::UpdateContract(cc));
 #endif  // MEDIAPIPE_DISABLE_GPU
    return absl::OkStatus();
  }
@ -73,6 +72,9 @@ class ImageCloneCalculator : public Node {
  absl::Status Open(CalculatorContext* cc) override {
    const auto& options = cc->Options<mediapipe::ImageCloneCalculatorOptions>();
    output_on_gpu_ = options.output_on_gpu();
+#if !MEDIAPIPE_DISABLE_GPU
+    MP_RETURN_IF_ERROR(gpu_helper_.Open(cc));
+#endif  // !MEDIAPIPE_DISABLE_GPU
    return absl::OkStatus();
  }

@ -102,10 +104,6 @@ class ImageCloneCalculator : public Node {

    if (output_on_gpu_ && !input_on_gpu) {
 #if !MEDIAPIPE_DISABLE_GPU
-      if (!gpu_initialized_) {
-        MP_RETURN_IF_ERROR(gpu_helper_.Open(cc));
-        gpu_initialized_ = true;
-      }
      gpu_helper_.RunInGlContext([&output]() { output->ConvertToGpu(); });
 #endif  // !MEDIAPIPE_DISABLE_GPU
    } else if (!output_on_gpu_ && input_on_gpu) {
@ -120,7 +118,6 @@ class ImageCloneCalculator : public Node {
  bool output_on_gpu_;
 #if !MEDIAPIPE_DISABLE_GPU
  mediapipe::GlCalculatorHelper gpu_helper_;
-  bool gpu_initialized_ = false;
 #endif  // !MEDIAPIPE_DISABLE_GPU
 };
 MEDIAPIPE_REGISTER_NODE(ImageCloneCalculator);
--- a/mediapipe/calculators/image/image_cropping_calculator.cc
+++ b/mediapipe/calculators/image/image_cropping_calculator.cc
@ -16,7 +16,6 @@

 #include <cmath>

-#include "absl/log/absl_log.h"
 #include "mediapipe/framework/formats/image_frame.h"
 #include "mediapipe/framework/formats/image_frame_opencv.h"
 #include "mediapipe/framework/formats/rect.pb.h"
@ -203,8 +202,7 @@ absl::Status ImageCroppingCalculator::ValidateBorderModeForGPU(

  switch (options.border_mode()) {
    case mediapipe::ImageCroppingCalculatorOptions::BORDER_ZERO:
-      ABSL_LOG(WARNING)
-          << "BORDER_ZERO mode is not supported by GPU "
+      LOG(WARNING) << "BORDER_ZERO mode is not supported by GPU "
                   << "implementation and will fall back into BORDER_REPLICATE";
      break;
    case mediapipe::ImageCroppingCalculatorOptions::BORDER_REPLICATE:
--- a/mediapipe/calculators/image/image_cropping_calculator.proto
+++ b/mediapipe/calculators/image/image_cropping_calculator.proto
@ -24,7 +24,7 @@ message ImageCroppingCalculatorOptions {
  }

  // Output texture buffer dimensions. The values defined in the options will be
-  // overridden by the WIDTH and HEIGHT input streams if they exist.
+  // overriden by the WIDTH and HEIGHT input streams if they exist.
  optional int32 width = 1;
  optional int32 height = 2;

--- a/mediapipe/calculators/image/image_file_properties_calculator.cc
+++ b/mediapipe/calculators/image/image_file_properties_calculator.cc
@ -77,7 +77,7 @@ absl::StatusOr<double> ComputeFocalLengthInPixels(int image_width,
  return focal_length_pixels;
 }

-absl::StatusOr<ImageFileProperties> GetImageFileProperties(
+absl::StatusOr<ImageFileProperties> GetImageFileProperites(
    const std::string& image_bytes) {
  easyexif::EXIFInfo result;
  int code = result.parseFrom(image_bytes);
@ -92,7 +92,7 @@ absl::StatusOr<ImageFileProperties> GetImageFileProperties(
  properties.set_focal_length_mm(result.FocalLength);
  properties.set_focal_length_35mm(result.FocalLengthIn35mm);

-  MP_ASSIGN_OR_RETURN(auto focal_length_pixels,
+  ASSIGN_OR_RETURN(auto focal_length_pixels,
                   ComputeFocalLengthInPixels(properties.image_width(),
                                              properties.image_height(),
                                              properties.focal_length_35mm(),
@ -151,7 +151,7 @@ class ImageFilePropertiesCalculator : public CalculatorBase {
    if (cc->InputSidePackets().NumEntries() == 1) {
      const std::string& image_bytes =
          cc->InputSidePackets().Index(0).Get<std::string>();
-      MP_ASSIGN_OR_RETURN(properties_, GetImageFileProperties(image_bytes));
+      ASSIGN_OR_RETURN(properties_, GetImageFileProperites(image_bytes));
      read_properties_ = true;
    }

@ -169,7 +169,7 @@ class ImageFilePropertiesCalculator : public CalculatorBase {
        return absl::OkStatus();
      }
      const std::string& image_bytes = cc->Inputs().Index(0).Get<std::string>();
-      MP_ASSIGN_OR_RETURN(properties_, GetImageFileProperties(image_bytes));
+      ASSIGN_OR_RETURN(properties_, GetImageFileProperites(image_bytes));
      read_properties_ = true;
    }
    if (read_properties_) {
--- a/mediapipe/calculators/image/image_transformation_calculator.cc
+++ b/mediapipe/calculators/image/image_transformation_calculator.cc
@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-#include "absl/status/status.h"
 #include "mediapipe/calculators/image/image_transformation_calculator.pb.h"
 #include "mediapipe/calculators/image/rotation_mode.pb.h"
 #include "mediapipe/framework/calculator_framework.h"
@ -28,7 +27,6 @@
 #include "mediapipe/gpu/scale_mode.pb.h"

 #if !MEDIAPIPE_DISABLE_GPU
-#include "mediapipe/gpu/gl_base.h"
 #include "mediapipe/gpu/gl_calculator_helper.h"
 #include "mediapipe/gpu/gl_quad_renderer.h"
 #include "mediapipe/gpu/gl_simple_shaders.h"
@ -62,42 +60,42 @@ constexpr char kVideoPrestreamTag[] = "VIDEO_PRESTREAM";

 int RotationModeToDegrees(mediapipe::RotationMode_Mode rotation) {
  switch (rotation) {
-    case mediapipe::RotationMode::UNKNOWN:
-    case mediapipe::RotationMode::ROTATION_0:
+    case mediapipe::RotationMode_Mode_UNKNOWN:
+    case mediapipe::RotationMode_Mode_ROTATION_0:
      return 0;
-    case mediapipe::RotationMode::ROTATION_90:
+    case mediapipe::RotationMode_Mode_ROTATION_90:
      return 90;
-    case mediapipe::RotationMode::ROTATION_180:
+    case mediapipe::RotationMode_Mode_ROTATION_180:
      return 180;
-    case mediapipe::RotationMode::ROTATION_270:
+    case mediapipe::RotationMode_Mode_ROTATION_270:
      return 270;
  }
 }
 mediapipe::RotationMode_Mode DegreesToRotationMode(int degrees) {
  switch (degrees) {
    case 0:
-      return mediapipe::RotationMode::ROTATION_0;
+      return mediapipe::RotationMode_Mode_ROTATION_0;
    case 90:
-      return mediapipe::RotationMode::ROTATION_90;
+      return mediapipe::RotationMode_Mode_ROTATION_90;
    case 180:
-      return mediapipe::RotationMode::ROTATION_180;
+      return mediapipe::RotationMode_Mode_ROTATION_180;
    case 270:
-      return mediapipe::RotationMode::ROTATION_270;
+      return mediapipe::RotationMode_Mode_ROTATION_270;
    default:
-      return mediapipe::RotationMode::UNKNOWN;
+      return mediapipe::RotationMode_Mode_UNKNOWN;
  }
 }
 mediapipe::ScaleMode_Mode ParseScaleMode(
    mediapipe::ScaleMode_Mode scale_mode,
    mediapipe::ScaleMode_Mode default_mode) {
  switch (scale_mode) {
-    case mediapipe::ScaleMode::DEFAULT:
+    case mediapipe::ScaleMode_Mode_DEFAULT:
      return default_mode;
-    case mediapipe::ScaleMode::STRETCH:
+    case mediapipe::ScaleMode_Mode_STRETCH:
      return scale_mode;
-    case mediapipe::ScaleMode::FIT:
+    case mediapipe::ScaleMode_Mode_FIT:
      return scale_mode;
-    case mediapipe::ScaleMode::FILL_AND_CROP:
+    case mediapipe::ScaleMode_Mode_FILL_AND_CROP:
      return scale_mode;
    default:
      return default_mode;
@ -210,8 +208,6 @@ class ImageTransformationCalculator : public CalculatorBase {

  bool use_gpu_ = false;
  cv::Scalar padding_color_;
-  ImageTransformationCalculatorOptions::InterpolationMode interpolation_mode_;
-
 #if !MEDIAPIPE_DISABLE_GPU
  GlCalculatorHelper gpu_helper_;
  std::unique_ptr<QuadRenderer> rgb_renderer_;
@ -347,11 +343,6 @@ absl::Status ImageTransformationCalculator::Open(CalculatorContext* cc) {
                              options_.padding_color().green(),
                              options_.padding_color().blue());

-  interpolation_mode_ = options_.interpolation_mode();
-  if (options_.interpolation_mode() ==
-      ImageTransformationCalculatorOptions::DEFAULT) {
-    interpolation_mode_ = ImageTransformationCalculatorOptions::LINEAR;
-  }
  if (use_gpu_) {
 #if !MEDIAPIPE_DISABLE_GPU
    // Let the helper access the GL context information.
@ -466,48 +457,26 @@ absl::Status ImageTransformationCalculator::RenderCpu(CalculatorContext* cc) {
  ComputeOutputDimensions(input_width, input_height, &output_width,
                          &output_height);

-  int opencv_interpolation_mode = cv::INTER_LINEAR;
  if (output_width_ > 0 && output_height_ > 0) {
    cv::Mat scaled_mat;
-    if (scale_mode_ == mediapipe::ScaleMode::STRETCH) {
-      if (interpolation_mode_ == ImageTransformationCalculatorOptions::LINEAR) {
-        // Use INTER_AREA for downscaling if interpolation mode is set to
-        // LINEAR.
-        if (input_mat.cols > output_width_ && input_mat.rows > output_height_) {
-          opencv_interpolation_mode = cv::INTER_AREA;
-
-        } else {
-          opencv_interpolation_mode = cv::INTER_LINEAR;
-        }
-      } else {
-        opencv_interpolation_mode = cv::INTER_NEAREST;
-      }
+    if (scale_mode_ == mediapipe::ScaleMode_Mode_STRETCH) {
+      int scale_flag =
+          input_mat.cols > output_width_ && input_mat.rows > output_height_
+              ? cv::INTER_AREA
+              : cv::INTER_LINEAR;
      cv::resize(input_mat, scaled_mat, cv::Size(output_width_, output_height_),
-                 0, 0, opencv_interpolation_mode);
+                 0, 0, scale_flag);
    } else {
      const float scale =
          std::min(static_cast<float>(output_width_) / input_width,
                   static_cast<float>(output_height_) / input_height);
      const int target_width = std::round(input_width * scale);
      const int target_height = std::round(input_height * scale);
-
-      if (interpolation_mode_ == ImageTransformationCalculatorOptions::LINEAR) {
-        // Use INTER_AREA for downscaling if interpolation mode is set to
-        // LINEAR.
-        if (scale < 1.0f) {
-          opencv_interpolation_mode = cv::INTER_AREA;
-        } else {
-          opencv_interpolation_mode = cv::INTER_LINEAR;
-        }
-      } else {
-        opencv_interpolation_mode = cv::INTER_NEAREST;
-      }
-
-      if (scale_mode_ == mediapipe::ScaleMode::FIT) {
+      int scale_flag = scale < 1.0f ? cv::INTER_AREA : cv::INTER_LINEAR;
+      if (scale_mode_ == mediapipe::ScaleMode_Mode_FIT) {
        cv::Mat intermediate_mat;
        cv::resize(input_mat, intermediate_mat,
-                   cv::Size(target_width, target_height), 0, 0,
-                   opencv_interpolation_mode);
+                   cv::Size(target_width, target_height), 0, 0, scale_flag);
        const int top = (output_height_ - target_height) / 2;
        const int bottom = output_height_ - target_height - top;
        const int left = (output_width_ - target_width) / 2;
@ -519,7 +488,7 @@ absl::Status ImageTransformationCalculator::RenderCpu(CalculatorContext* cc) {
                           padding_color_);
      } else {
        cv::resize(input_mat, scaled_mat, cv::Size(target_width, target_height),
-                   0, 0, opencv_interpolation_mode);
+                   0, 0, scale_flag);
        output_width = target_width;
        output_height = target_height;
      }
@ -545,17 +514,17 @@ absl::Status ImageTransformationCalculator::RenderCpu(CalculatorContext* cc) {
    cv::warpAffine(input_mat, rotated_mat, rotation_mat, rotated_size);
  } else {
    switch (rotation_) {
-      case mediapipe::RotationMode::UNKNOWN:
-      case mediapipe::RotationMode::ROTATION_0:
+      case mediapipe::RotationMode_Mode_UNKNOWN:
+      case mediapipe::RotationMode_Mode_ROTATION_0:
        rotated_mat = input_mat;
        break;
-      case mediapipe::RotationMode::ROTATION_90:
+      case mediapipe::RotationMode_Mode_ROTATION_90:
        cv::rotate(input_mat, rotated_mat, cv::ROTATE_90_COUNTERCLOCKWISE);
        break;
-      case mediapipe::RotationMode::ROTATION_180:
+      case mediapipe::RotationMode_Mode_ROTATION_180:
        cv::rotate(input_mat, rotated_mat, cv::ROTATE_180);
        break;
-      case mediapipe::RotationMode::ROTATION_270:
+      case mediapipe::RotationMode_Mode_ROTATION_270:
        cv::rotate(input_mat, rotated_mat, cv::ROTATE_90_CLOCKWISE);
        break;
    }
@ -592,7 +561,7 @@ absl::Status ImageTransformationCalculator::RenderGpu(CalculatorContext* cc) {
  ComputeOutputDimensions(input_width, input_height, &output_width,
                          &output_height);

-  if (scale_mode_ == mediapipe::ScaleMode::FILL_AND_CROP) {
+  if (scale_mode_ == mediapipe::ScaleMode_Mode_FILL_AND_CROP) {
    const float scale =
        std::min(static_cast<float>(output_width_) / input_width,
                 static_cast<float>(output_height_) / input_height);
@ -656,24 +625,9 @@ absl::Status ImageTransformationCalculator::RenderGpu(CalculatorContext* cc) {
                                                  input.format());

  gpu_helper_.BindFramebuffer(dst);
-
-  if (scale_mode_ == mediapipe::ScaleMode::FIT) {
-    // In kFit scale mode, the rendered quad does not fill the whole
-    // framebuffer, so clear it beforehand.
-    glClearColor(padding_color_[0] / 255.0f, padding_color_[1] / 255.0f,
-                 padding_color_[2] / 255.0f, 1.0f);
-    glClear(GL_COLOR_BUFFER_BIT);
-  }
-
  glActiveTexture(GL_TEXTURE1);
  glBindTexture(src1.target(), src1.name());

-  if (interpolation_mode_ == ImageTransformationCalculatorOptions::NEAREST) {
-    // TODO: revert texture params.
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-  }
-
  MP_RETURN_IF_ERROR(renderer->GlRender(
      src1.width(), src1.height(), dst.width(), dst.height(), scale_mode,
      rotation, flip_horizontally_, flip_vertically_,
@ -698,8 +652,8 @@ void ImageTransformationCalculator::ComputeOutputDimensions(
  if (output_width_ > 0 && output_height_ > 0) {
    *output_width = output_width_;
    *output_height = output_height_;
-  } else if (rotation_ == mediapipe::RotationMode::ROTATION_90 ||
-             rotation_ == mediapipe::RotationMode::ROTATION_270) {
+  } else if (rotation_ == mediapipe::RotationMode_Mode_ROTATION_90 ||
+             rotation_ == mediapipe::RotationMode_Mode_ROTATION_270) {
    *output_width = input_height;
    *output_height = input_width;
  } else {
@ -712,9 +666,9 @@ void ImageTransformationCalculator::ComputeOutputLetterboxPadding(
    int input_width, int input_height, int output_width, int output_height,
    std::array<float, 4>* padding) {
  padding->fill(0.f);
-  if (scale_mode_ == mediapipe::ScaleMode::FIT) {
-    if (rotation_ == mediapipe::RotationMode::ROTATION_90 ||
-        rotation_ == mediapipe::RotationMode::ROTATION_270) {
+  if (scale_mode_ == mediapipe::ScaleMode_Mode_FIT) {
+    if (rotation_ == mediapipe::RotationMode_Mode_ROTATION_90 ||
+        rotation_ == mediapipe::RotationMode_Mode_ROTATION_270) {
      std::swap(input_width, input_height);
    }
    const float input_aspect_ratio =
--- a/mediapipe/calculators/image/image_transformation_calculator.proto
+++ b/mediapipe/calculators/image/image_transformation_calculator.proto
@ -46,24 +46,12 @@ message ImageTransformationCalculatorOptions {
  optional bool flip_horizontally = 5 [default = false];
  // Scale mode.
  optional ScaleMode.Mode scale_mode = 6;
-  // Padding type. This option is only used when the scale mode is FIT. If set
-  // to true (default), a constant border is added with color specified by
-  // padding_color. If set to false, a border is added by replicating edge
-  // pixels (only supported for CPU).
+  // Padding type. This option is only used when the scale mode is FIT.
+  // Default is to use BORDER_CONSTANT. If set to false, it will use
+  // BORDER_REPLICATE instead.
  optional bool constant_padding = 7 [default = true];

  // The color for the padding. This option is only used when the scale mode is
-  // FIT. Default is black.
+  // FIT. Default is black. This is for CPU only.
  optional Color padding_color = 8;
-
-  // Interpolation method to use. Note that on CPU when LINEAR is specified,
-  // INTER_LINEAR is used for upscaling and INTER_AREA is used for downscaling.
-  enum InterpolationMode {
-    DEFAULT = 0;
-    LINEAR = 1;
-    NEAREST = 2;
-  }
-
-  // Mode DEFAULT will use LINEAR interpolation.
-  optional InterpolationMode interpolation_mode = 9;
 }
--- a/Show More
+++ b/Show More