Added iOS pose landmarker header

This commit is contained in:
Prianka Liz Kariat 2023-10-21 03:55:00 +05:30
parent 3622ff9bff
commit 96ed3a7422
2 changed files with 173 additions and 0 deletions

View File

@ -45,3 +45,15 @@ objc_library(
deps = ["//mediapipe/tasks/ios/components/containers:MPPConnection"], deps = ["//mediapipe/tasks/ios/components/containers:MPPConnection"],
) )
objc_library(
name = "MPPPoseLandmarker",
hdrs = ["sources/MPPPoseLandmarker.h"],
module_name = "MPPPoseLandmarker",
deps = [
":MPPPoseLandmarkerOptions",
":MPPPoseLandmarkerResult",
":MPPPoseLandmarksConnections",
"//mediapipe/tasks/ios/components/containers:MPPConnection",
"//mediapipe/tasks/ios/vision/core:MPPImage",
],
)

View File

@ -0,0 +1,161 @@
// 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.
#import <Foundation/Foundation.h>
#import "mediapipe/tasks/ios/components/containers/sources/MPPConnection.h"
#import "mediapipe/tasks/ios/vision/core/sources/MPPImage.h"
#import "mediapipe/tasks/ios/vision/pose_landmarker/sources/MPPPoseLandmarkerOptions.h"
#import "mediapipe/tasks/ios/vision/pose_landmarker/sources/MPPPoseLandmarkerResult.h"
NS_ASSUME_NONNULL_BEGIN
/**
* @brief Performs pose landmarks detection on images.
*
* This API expects a pre-trained pose landmarks model asset bundle.
*/
NS_SWIFT_NAME(PoseLandmarker)
@interface MPPPoseLandmarker : NSObject
/** The array of connections between all the landmarks in the detected pose. */
@property(class, nonatomic, readonly) NSArray<MPPConnection *> *poseLandmarks;
/**
* Creates a new instance of `PoseLandmarker` from an absolute path to a model asset bundle stored
* locally on the device and the default `PoseLandmarkerOptions`.
*
* @param modelPath An absolute path to a model asset bundle stored locally on the device.
* @param error An optional error parameter populated when there is an error in initializing the
* pose landmarker.
*
* @return A new instance of `PoseLandmarker` with the given model path. `nil` if there is an error
* in initializing the pose landmarker.
*/
- (nullable instancetype)initWithModelPath:(NSString *)modelPath error:(NSError **)error;
/**
* Creates a new instance of `PoseLandmarker` from the given `PoseLandmarkerOptions`.
*
* @param options The options of type `PoseLandmarkerOptions` to use for configuring the
* `PoseLandmarker`.
* @param error An optional error parameter populated when there is an error in initializing the
* pose landmarker.
*
* @return A new instance of `PoseLandmarker` with the given options. `nil` if there is an error in
* initializing the pose landmarker.
*/
- (nullable instancetype)initWithOptions:(MPPPoseLandmarkerOptions *)options
error:(NSError **)error NS_DESIGNATED_INITIALIZER;
/**
* Performs pose landmarks detection on the provided `MPImage` using the whole image as region of
* interest. Rotation will be applied according to the `orientation` property of the provided
* `MPImage`. Only use this method when the `PoseLandmarker` is created with running mode, `.image`.
*
* This method supports performing pose landmarks detection on RGBA images. If your `MPImage` has a
* source type of `.pixelBuffer` or `.sampleBuffer`, the underlying pixel buffer must have one of
* the following pixel format types:
* 1. kCVPixelFormatType_32BGRA
*
* If your `MPImage` has a source type of `.image` ensure that the color space is RGB with an Alpha
* channel.
*
* @param image The `MPImage` on which pose landmarks detection is to be performed.
* @param error An optional error parameter populated when there is an error in performing pose
* landmark detection on the input image.
*
* @return An `PoseLandmarkerResult` object that contains the pose landmarks detection
* results.
*/
- (nullable MPPPoseLandmarkerResult *)detectImage:(MPPImage *)image
error:(NSError **)error NS_SWIFT_NAME(detect(image:));
/**
* Performs pose landmarks detection on the provided video frame of type `MPImage` using the whole
* image as region of interest. Rotation will be applied according to the `orientation` property of
* the provided `MPImage`. Only use this method when the `PoseLandmarker` is created with running
* mode, `.video`.
*
* It's required to provide the video frame's timestamp (in milliseconds). The input timestamps must
* be monotonically increasing.
*
* This method supports performing pose landmarks detection on RGBA images. If your `MPImage` has a
* source type of `.pixelBuffer` or `.sampleBuffer`, the underlying pixel buffer must have one of
* the following pixel format types:
* 1. kCVPixelFormatType_32BGRA
*
* If your `MPImage` has a source type of `.image` ensure that the color space is RGB with an Alpha
* channel.
*
* @param image The `MPImage` on which pose landmarks detection is to be performed.
* @param timestampInMilliseconds The video frame's timestamp (in milliseconds). The input
* timestamps must be monotonically increasing.
* @param error An optional error parameter populated when there is an error in performing pose
* landmark detection on the input video frame.
*
* @return An `PoseLandmarkerResult` object that contains the pose landmarks detection
* results.
*/
- (nullable MPPPoseLandmarkerResult *)detectVideoFrame:(MPPImage *)image
timestampInMilliseconds:(NSInteger)timestampInMilliseconds
error:(NSError **)error
NS_SWIFT_NAME(detect(videoFrame:timestampInMilliseconds:));
/**
* Sends live stream image data of type `MPImage` to perform pose landmarks detection using the
* whole image as region of interest. Rotation will be applied according to the `orientation`
* property of the provided `MPImage`. Only use this method when the `PoseLandmarker` is created
* with running mode, `.liveStream`.
*
* The object which needs to be continuously notified of the available results of pose landmark
* detection must confirm to `PoseLandmarkerLiveStreamDelegate` protocol and implement the
* `poseLandmarker(_:didFinishDetectionWithResult:timestampInMilliseconds:error:)` delegate method.
*
* It's required to provide a timestamp (in milliseconds) to indicate when the input image is sent
* to the pose landmarker. The input timestamps must be monotonically increasing.
*
* This method supports performing pose landmarks detection on RGBA images. If your `MPImage` has a
* source type of `.pixelBuffer` or `.sampleBuffer`, the underlying pixel buffer must have one of
* the following pixel format types:
* 1. kCVPixelFormatType_32BGRA
*
* If the input `MPImage` has a source type of `.image` ensure that the color space is RGB with an
* Alpha channel.
*
* If this method is used for performing pose landmarks detection on live camera frames using
* `AVFoundation`, ensure that you request `AVCaptureVideoDataOutput` to output frames in
* `kCMPixelFormat_32BGRA` using its `videoSettings` property.
*
* @param image A live stream image data of type `MPImage` on which pose landmarks detection is to
* be performed.
* @param timestampInMilliseconds The timestamp (in milliseconds) which indicates when the input
* image is sent to the pose landmarker. The input timestamps must be monotonically increasing.
* @param error An optional error parameter populated when there is an error in performing pose
* landmark detection on the input live stream image data.
*
* @return `YES` if the image was sent to the task successfully, otherwise `NO`.
*/
- (BOOL)detectAsyncImage:(MPPImage *)image
timestampInMilliseconds:(NSInteger)timestampInMilliseconds
error:(NSError **)error
NS_SWIFT_NAME(detectAsync(image:timestampInMilliseconds:));
- (instancetype)init NS_UNAVAILABLE;
+ (instancetype)new NS_UNAVAILABLE;
@end
NS_ASSUME_NONNULL_END