Project import generated by Copybara.

PiperOrigin-RevId: 255500495

README.md

@@ -14,7 +14,7 @@ See mobile and desktop [examples](mediapipe/docs/examples.md).
 ## Documentation
 [MediaPipe Read-the-Docs](https://mediapipe.readthedocs.io/) or [docs.mediapipe.dev](https://docs.mediapipe.dev)
 
-Check out the [Examples page] for tutorials on how to use MediaPipe. [Concepts page](https://mediapipe.readthedocs.io/en/latest/concepts.html) for basic definitions
+Check out the [Examples page](https://mediapipe.readthedocs.io/en/latest/examples.html) for tutorials on how to use MediaPipe. [Concepts page](https://mediapipe.readthedocs.io/en/latest/concepts.html) for basic definitions
 
 ## Visualizing MediaPipe graphs
 A web-based visualizer is hosted on [viz.mediapipe.dev](https://viz.mediapipe.dev/). Please also see instructions [here](mediapipe/docs/visualizer.md).

WORKSPACE

@@ -115,36 +115,50 @@ http_archive(
     build_file = "@//third_party:opencv_android.BUILD",
     strip_prefix = "OpenCV-android-sdk",
     type = "zip",
-    url = "https://sourceforge.net/projects/opencvlibrary/files/4.0.1/opencv-4.0.1-android-sdk.zip/download"
+    urls = [
+        "https://sourceforge.net/projects/opencvlibrary/files/4.0.1/opencv-4.0.1-android-sdk.zip/download",
+        "https://github.com/opencv/opencv/releases/download/4.1.0/opencv-4.1.0-android-sdk.zip",
+    ],
 )
 
-# Google Maven Repository
-GMAVEN_TAG = "20181212-2"
+RULES_JVM_EXTERNAL_TAG = "2.2"
+RULES_JVM_EXTERNAL_SHA = "f1203ce04e232ab6fdd81897cf0ff76f2c04c0741424d192f28e65ae752ce2d6"
 
 http_archive(
-    name = "gmaven_rules",
-    strip_prefix = "gmaven_rules-%s" % GMAVEN_TAG,
-    url = "https://github.com/bazelbuild/gmaven_rules/archive/%s.tar.gz" % GMAVEN_TAG,
+    name = "rules_jvm_external",
+    strip_prefix = "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,
+    sha256 = RULES_JVM_EXTERNAL_SHA,
+    url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
 )
 
-load("@gmaven_rules//:gmaven.bzl", "gmaven_rules")
+load("@rules_jvm_external//:defs.bzl", "maven_install")
 
-gmaven_rules()
+maven_install(
+    artifacts = [
+        "com.android.support.constraint:constraint-layout:aar:1.0.2",
+        "androidx.appcompat:appcompat:aar:1.0.2",
+    ],
+    repositories = [
+        "https://dl.google.com/dl/android/maven2",
+    ],
+)
 
 maven_server(
     name = "google_server",
-    url = "http://maven.google.com",
+    url = "https://dl.google.com/dl/android/maven2",
 )
 
 maven_jar(
     name = "androidx_lifecycle",
     artifact = "androidx.lifecycle:lifecycle-common:2.0.0",
+    sha1 = "e070ffae07452331bc5684734fce6831d531785c",
     server = "google_server",
 )
 
 maven_jar(
      name = "androidx_concurrent_futures",
      artifact = "androidx.concurrent:concurrent-futures:1.0.0-alpha03",
+     sha1 = "b528df95c7e2fefa2210c0c742bf3e491c1818ae",
      server = "google_server",
 )
 
@@ -169,6 +183,7 @@ maven_jar(
 maven_jar(
     name = "com_google_code_findbugs",
     artifact = "com.google.code.findbugs:jsr305:3.0.2",
+    sha1 = "25ea2e8b0c338a877313bd4672d3fe056ea78f0d",
 )
 
 # You may run setup_android.sh to install Android SDK and NDK.

mediapipe/calculators/image/recolor_calculator.cc

@@ -216,6 +216,9 @@ REGISTER_CALCULATOR(RecolorCalculator);
 
     GlRender();
 
+    glActiveTexture(GL_TEXTURE2);
+    glBindTexture(GL_TEXTURE_2D, 0);
+    glActiveTexture(GL_TEXTURE1);
     glBindTexture(GL_TEXTURE_2D, 0);
     glFlush();
   }

mediapipe/calculators/image/set_alpha_calculator.cc

@@ -321,13 +321,20 @@ REGISTER_CALCULATOR(SetAlphaCalculator);
     glActiveTexture(GL_TEXTURE2);
     glBindTexture(GL_TEXTURE_2D, alpha_texture.name());
     GlRender(cc);  // use channel 0 of mask
+    glActiveTexture(GL_TEXTURE2);
+    glBindTexture(GL_TEXTURE_2D, 0);
+    glActiveTexture(GL_TEXTURE1);
+    glBindTexture(GL_TEXTURE_2D, 0);
     alpha_texture.Release();
   } else {
     gpu_helper_.BindFramebuffer(output_texture);  // GL_TEXTURE0
     glActiveTexture(GL_TEXTURE1);
     glBindTexture(GL_TEXTURE_2D, input_texture.name());
     GlRender(cc);  // use value from options
+    glActiveTexture(GL_TEXTURE1);
+    glBindTexture(GL_TEXTURE_2D, 0);
   }
+  glFlush();
 
   // Send out image as GPU packet.
   auto output_frame = output_texture.GetFrame<mediapipe::GpuBuffer>();
@@ -393,9 +400,6 @@ REGISTER_CALCULATOR(SetAlphaCalculator);
   glDeleteVertexArrays(1, &vao);
   glDeleteBuffers(2, vbo);
 
-  // execute command queue
-  glBindTexture(GL_TEXTURE_2D, 0);
-  glFlush();
 #endif  // __ANDROID__
 
   return ::mediapipe::OkStatus();

mediapipe/calculators/tflite/tflite_tensors_to_detections_calculator.cc

@@ -506,8 +506,7 @@ Detection TfLiteTensorsToDetectionsCalculator::ConvertToDetection(
 #if defined(__ANDROID__)
   // A shader to decode detection boxes.
   const std::string decode_src = absl::Substitute(
-      R"(
-#version 310 es
+      R"( #version 310 es
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 
@@ -643,8 +642,7 @@ void main() {
 
   // A shader to score detection boxes.
   const std::string score_src = absl::Substitute(
-      R"(
-#version 310 es
+      R"( #version 310 es
 
 layout(local_size_x = 1, local_size_y = $0, local_size_z = 1) in;
 

mediapipe/calculators/tflite/tflite_tensors_to_segmentation_calculator.cc

@@ -301,6 +301,8 @@ REGISTER_CALCULATOR(TfLiteTensorsToSegmentationCalculator);
       glActiveTexture(GL_TEXTURE1);
       glBindTexture(GL_TEXTURE_2D, input_mask_texture.name());
       mask_program_with_prev_->Dispatch(workgroups);
+      glActiveTexture(GL_TEXTURE1);
+      glBindTexture(GL_TEXTURE_2D, 0);
     }
   }
 
@@ -413,8 +415,7 @@ void TfLiteTensorsToSegmentationCalculator::GlRender() {
   // Currently uses 4 channels for output,
   // and sets both R and A channels as mask value.
   const std::string shader_src_template =
-      R"(
-#version 310 es
+      R"( #version 310 es
 
 layout(local_size_x = $0, local_size_y = $0, local_size_z = 1) in;
 

mediapipe/calculators/util/annotation_overlay_calculator.cc

@@ -359,6 +359,9 @@ REGISTER_CALCULATOR(AnnotationOverlayCalculator);
 
     RETURN_IF_ERROR(GlRender(cc));
 
+    glActiveTexture(GL_TEXTURE2);
+    glBindTexture(GL_TEXTURE_2D, 0);
+    glActiveTexture(GL_TEXTURE1);
     glBindTexture(GL_TEXTURE_2D, 0);
     glFlush();
   }

mediapipe/framework/formats/annotation/BUILD

@@ -25,7 +25,6 @@ package(default_visibility = ["//visibility:private"])
 proto_library(
     name = "locus_proto",
     srcs = ["locus.proto"],
-    visibility = ["//mediapipe:__subpackages__"],
     deps = ["//mediapipe/framework/formats/annotation:rasterization_proto"],
 )
 

mediapipe/graphs/face_detection/face_detection_android_cpu.pbtxt

@@ -45,8 +45,8 @@ node: {
 # resulting in potential letterboxing in the transformed image.
 node: {
   calculator: "ImageTransformationCalculator"
-  input_stream: "IMAGE_GPU:throttled_input_video"
-  output_stream: "IMAGE_GPU:transformed_input_video"
+  input_stream: "IMAGE:input_video_cpu"
+  output_stream: "IMAGE:transformed_input_video_cpu"
   output_stream: "LETTERBOX_PADDING:letterbox_padding"
   node_options: {
     [type.googleapis.com/mediapipe.ImageTransformationCalculatorOptions] {
@@ -57,13 +57,6 @@ node: {
   }
 }
 
-# Transfers the transformed input image from GPU to CPU memory.
-node: {
-  calculator: "GpuBufferToImageFrameCalculator"
-  input_stream: "transformed_input_video"
-  output_stream: "transformed_input_video_cpu"
-}
-
 # Converts the transformed input image on CPU into an image tensor as a
 # TfLiteTensor. The zero_center option is set to true to normalize the
 # pixel values to [-1.f, 1.f] as opposed to [0.f, 1.f]. The flip_vertically

mediapipe/java/com/google/mediapipe/components/FrameProcessor.java

@@ -109,7 +109,7 @@ public class FrameProcessor implements TextureFrameProcessor {
 
       mediapipeGraph.setParentGlContext(parentNativeContext);
     } catch (MediaPipeException e) {
-      // TODO: Report this error from MediaPipe.
+      Log.e(TAG, "Mediapipe error: ", e);
     }
 
     videoSurfaceOutput = mediapipeGraph.addSurfaceOutput(videoOutputStream);
@@ -199,7 +199,7 @@ public class FrameProcessor implements TextureFrameProcessor {
       try {
         mediapipeGraph.tearDown();
       } catch (MediaPipeException e) {
-        // TODO: Report this error from MediaPipe.
+        Log.e(TAG, "Mediapipe error: ", e);
       }
     }
   }
@@ -209,6 +209,7 @@ public class FrameProcessor implements TextureFrameProcessor {
    *
    * <p>Normally the graph is initialized when the first frame arrives. You can optionally call this
    * method to initialize it ahead of time.
+   * @throws MediaPipeException for any error status.
    */
   public void preheat() {
     if (!started.getAndSet(true)) {
@@ -220,6 +221,10 @@ public class FrameProcessor implements TextureFrameProcessor {
     this.addFrameListener = addFrameListener;
   }
 
+  /**
+   * Returns true if the MediaPipe graph can accept one more input frame.
+   * @throws MediaPipeException for any error status.
+   */
   private boolean maybeAcceptNewFrame() {
     if (!started.getAndSet(true)) {
       startGraph();
@@ -254,7 +259,7 @@ public class FrameProcessor implements TextureFrameProcessor {
       mediapipeGraph.addConsumablePacketToInputStream(
           videoInputStream, imagePacket, frame.getTimestamp());
     } catch (MediaPipeException e) {
-      // TODO: Report this error from MediaPipe.
+      Log.e(TAG, "Mediapipe error: ", e);
     }
     imagePacket.release();
   }
@@ -281,7 +286,7 @@ public class FrameProcessor implements TextureFrameProcessor {
       // packet, which may allow for more memory optimizations.
       mediapipeGraph.addConsumablePacketToInputStream(videoInputStreamCpu, packet, timestamp);
     } catch (MediaPipeException e) {
-      // TODO: Report this error from MediaPipe.
+      Log.e(TAG, "Mediapipe error: ", e);
     }
     packet.release();
   }
@@ -290,10 +295,14 @@ public class FrameProcessor implements TextureFrameProcessor {
     try {
       mediapipeGraph.waitUntilGraphIdle();
     } catch (MediaPipeException e) {
-      // TODO: Report this error from MediaPipe.
+      Log.e(TAG, "Mediapipe error: ", e);
     }
   }
 
+  /**
+   * Starts running the MediaPipe graph.
+   * @throws MediaPipeException for any error status.
+   */
   private void startGraph() {
     mediapipeGraph.startRunningGraph();
   }

mediapipe/java/com/google/mediapipe/framework/Graph.java

@@ -128,6 +128,7 @@ public class Graph {
    *
    * @param streamName The output stream name in the graph for callback.
    * @param callback The callback for handling the call when output stream gets a {@link Packet}.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void addPacketCallback(String streamName, PacketCallback callback) {
     Preconditions.checkState(
@@ -145,6 +146,7 @@ public class Graph {
    * @param streamName The output stream name in the graph for callback.
    * @param callback The callback for handling the call when output stream gets a {@link Packet} and
    *     has a stream header.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void addPacketWithHeaderCallback(
       String streamName, PacketWithHeaderCallback callback) {
@@ -251,6 +253,7 @@ public class Graph {
    * Runs the mediapipe graph until it finishes.
    *
    * <p>Side packets that are needed by the graph should be set using {@link setInputSidePackets}.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void runGraphUntilClose() {
     Preconditions.checkState(
@@ -268,6 +271,7 @@ public class Graph {
    * <p>Returns immediately after starting the scheduler.
    *
    * <p>Side packets that are needed by the graph should be set using {@link setInputSidePackets}.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void startRunningGraph() {
     Preconditions.checkState(
@@ -319,6 +323,7 @@ public class Graph {
    * @param packet the mediapipe packet.
    * @param timestamp the timestamp of the packet, although not enforced, the unit is normally
    *     microsecond.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void addPacketToInputStream(
       String streamName, Packet packet, long timestamp) {
@@ -343,6 +348,7 @@ public class Graph {
    * @param packet the mediapipe packet.
    * @param timestamp the timestamp of the packet, although not enforced, the unit is normally
    *     microsecond.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void addConsumablePacketToInputStream(
       String streamName, Packet packet, long timestamp) {
@@ -363,20 +369,30 @@ public class Graph {
     }
   }
 
-  /** Closes the specified input stream. */
+  /**
+   * Closes the specified input stream.
+   * @throws MediaPipeException for any error status.
+   */
   public synchronized void closeInputStream(String streamName) {
     Preconditions.checkState(
         nativeGraphHandle != 0, "Invalid context, tearDown() might have been called.");
     nativeCloseInputStream(nativeGraphHandle, streamName);
   }
 
-  /** Closes all the input streams in the mediapipe graph. */
+  /**
+   * Closes all the input streams in the mediapipe graph.
+   * @throws MediaPipeException for any error status.
+   */
   public synchronized void closeAllInputStreams() {
     Preconditions.checkState(
         nativeGraphHandle != 0, "Invalid context, tearDown() might have been called.");
     nativeCloseAllInputStreams(nativeGraphHandle);
   }
 
+  /**
+   * Closes all the input streams and source calculators in the mediapipe graph.
+   * @throws MediaPipeException for any error status.
+   */
   public synchronized void closeAllPacketSources() {
     Preconditions.checkState(
         nativeGraphHandle != 0, "Invalid context, tearDown() might have been called.");
@@ -387,6 +403,7 @@ public class Graph {
    * Waits until the graph is done processing.
    *
    * <p>This should be called after all sources and input streams are closed.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void waitUntilGraphDone() {
     Preconditions.checkState(
@@ -394,7 +411,10 @@ public class Graph {
     nativeWaitUntilGraphDone(nativeGraphHandle);
   }
 
-  /** Waits until the graph runner is idle. */
+  /**
+   * Waits until the graph runner is idle.
+   * @throws MediaPipeException for any error status.
+   */
   public synchronized void waitUntilGraphIdle() {
     Preconditions.checkState(
         nativeGraphHandle != 0, "Invalid context, tearDown() might have been called.");
@@ -455,6 +475,7 @@ public class Graph {
    * OpenGL. This runner should be connected to the calculators by specifiying an input side packet
    * in the graph file with the same name.
    *
+   * @throws MediaPipeException for any error status.
    * @deprecated Call {@link setParentGlContext} to set up texture sharing between contexts. Apart
    *     from that, GL is set up automatically.
    */
@@ -471,6 +492,7 @@ public class Graph {
    * enable the sharing of textures and other objects between the two contexts.
    *
    * <p>Cannot be called after the graph has been started.
+   * @throws MediaPipeException for any error status.
    */
   public synchronized void setParentGlContext(long javaGlContext) {
     Preconditions.checkState(

third_party/BUILD

@@ -19,8 +19,6 @@ exports_files(["LICENSE"])
 
 package(default_visibility = ["//visibility:public"])
 
-load("@gmaven_rules//:defs.bzl", "gmaven_artifact")
-
 cc_library(
     name = "opencv",
     visibility = ["//visibility:public"],
@@ -52,14 +50,14 @@ cc_library(
 android_library(
     name = "android_constraint_layout",
     exports = [
-        gmaven_artifact("com.android.support.constraint:constraint_layout:aar:1.0.2"),
+        "@maven//:com_android_support_constraint_constraint_layout",
     ],
 )
 
 android_library(
     name = "androidx_appcompat",
     exports = [
-        gmaven_artifact("androidx.appcompat:appcompat:aar:1.0.2"),
+        "@maven//:androidx_appcompat_appcompat",
     ],
 )