webrtc/api/objc/RTCMediaStream.h

/*
 *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN
// TODO(hjon): Update nullability types. See http://crbug/webrtc/5592

@class RTCAudioTrack;
@class RTCPeerConnectionFactory;
@class RTCVideoTrack;

@interface RTCMediaStream : NSObject

/** The audio tracks in this stream. */
@property(nonatomic, strong, readonly) NSArray *audioTracks;
// @property(nonatomic, strong, readonly) NSArray<RTCAudioTrack *> *audioTracks;

/** The video tracks in this stream. */
@property(nonatomic, strong, readonly) NSArray *videoTracks;
// @property(nonatomic, strong, readonly) NSArray<RTCVideoTrack *> *videoTracks;

/** An identifier for this media stream. */
@property(nonatomic, readonly) NSString *streamId;

- (instancetype)init NS_UNAVAILABLE;

/** Initialize an RTCMediaStream with an id. */
- (instancetype)initWithFactory:(RTCPeerConnectionFactory *)factory
                       streamId:(NSString *)streamId;

/** Adds the given audio track to this media stream. */
- (void)addAudioTrack:(RTCAudioTrack *)audioTrack;

/** Adds the given video track to this media stream. */
- (void)addVideoTrack:(RTCVideoTrack *)videoTrack;

/** Removes the given audio track to this media stream. */
- (void)removeAudioTrack:(RTCAudioTrack *)audioTrack;

/** Removes the given video track to this media stream. */
- (void)removeVideoTrack:(RTCVideoTrack *)videoTrack;

@end

NS_ASSUME_NONNULL_END