mediapipe/mediapipe2/examples/ios/common/CommonViewController.h
2021-06-10 23:01:19 +00:00

68 lines
2.2 KiB
Objective-C

// 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.
// 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 <UIKit/UIKit.h>
#import "mediapipe/objc/MPPCameraInputSource.h"
#import "mediapipe/objc/MPPGraph.h"
#import "mediapipe/objc/MPPLayerRenderer.h"
#import "mediapipe/objc/MPPPlayerInputSource.h"
#import "mediapipe/objc/MPPTimestampConverter.h"
typedef NS_ENUM(NSInteger, MediaPipeDemoSourceMode) {
MediaPipeDemoSourceCamera,
MediaPipeDemoSourceVideo
};
@interface CommonViewController : UIViewController <MPPGraphDelegate, MPPInputSourceDelegate>
// The MediaPipe graph currently in use. Initialized in viewDidLoad, started in
// viewWillAppear: and sent video frames on videoQueue.
@property(nonatomic) MPPGraph* mediapipeGraph;
// Handles camera access via AVCaptureSession library.
@property(nonatomic) MPPCameraInputSource* cameraSource;
// Provides data from a video.
@property(nonatomic) MPPPlayerInputSource* videoSource;
// Helps to convert timestamp.
@property(nonatomic) MPPTimestampConverter* timestampConverter;
// The data source for the demo.
@property(nonatomic) MediaPipeDemoSourceMode sourceMode;
// Inform the user when camera is unavailable.
@property(nonatomic) IBOutlet UILabel* noCameraLabel;
// Display the camera preview frames.
@property(strong, nonatomic) IBOutlet UIView* liveView;
// Render frames in a layer.
@property(nonatomic) MPPLayerRenderer* renderer;
// Process camera frames on this queue.
@property(nonatomic) dispatch_queue_t videoQueue;
// Graph name.
@property(nonatomic) NSString* graphName;
// Graph input stream.
@property(nonatomic) const char* graphInputStream;
// Graph output stream.
@property(nonatomic) const char* graphOutputStream;
@end