blob: 87f838d7df1253f5f4a5f19615cdd678b283ddce [file] [log] [blame]
/*
* libjingle
* Copyright 2013 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
#import "RTCMediaStream+Internal.h"
#import "RTCAudioTrack+Internal.h"
#import "RTCMediaStreamTrack+Internal.h"
#import "RTCVideoTrack+Internal.h"
#include "talk/app/webrtc/mediastreaminterface.h"
@implementation RTCMediaStream {
NSMutableArray* _audioTracks;
NSMutableArray* _videoTracks;
rtc::scoped_refptr<webrtc::MediaStreamInterface> _mediaStream;
}
- (NSString*)description {
return [NSString stringWithFormat:@"[%@:A=%lu:V=%lu]",
[self label],
(unsigned long)[self.audioTracks count],
(unsigned long)[self.videoTracks count]];
}
- (NSArray*)audioTracks {
return [_audioTracks copy];
}
- (NSArray*)videoTracks {
return [_videoTracks copy];
}
- (NSString*)label {
return @(self.mediaStream->label().c_str());
}
- (BOOL)addAudioTrack:(RTCAudioTrack*)track {
if (self.mediaStream->AddTrack(track.audioTrack)) {
[_audioTracks addObject:track];
return YES;
}
return NO;
}
- (BOOL)addVideoTrack:(RTCVideoTrack*)track {
if (self.mediaStream->AddTrack(track.nativeVideoTrack)) {
[_videoTracks addObject:track];
return YES;
}
return NO;
}
- (BOOL)removeAudioTrack:(RTCAudioTrack*)track {
NSUInteger index = [_audioTracks indexOfObjectIdenticalTo:track];
NSAssert(index != NSNotFound,
@"|removeAudioTrack| called on unexpected RTCAudioTrack");
if (index != NSNotFound && self.mediaStream->RemoveTrack(track.audioTrack)) {
[_audioTracks removeObjectAtIndex:index];
return YES;
}
return NO;
}
- (BOOL)removeVideoTrack:(RTCVideoTrack*)track {
NSUInteger index = [_videoTracks indexOfObjectIdenticalTo:track];
NSAssert(index != NSNotFound,
@"|removeAudioTrack| called on unexpected RTCVideoTrack");
if (index != NSNotFound &&
self.mediaStream->RemoveTrack(track.nativeVideoTrack)) {
[_videoTracks removeObjectAtIndex:index];
return YES;
}
return NO;
}
@end
@implementation RTCMediaStream (Internal)
- (id)initWithMediaStream:
(rtc::scoped_refptr<webrtc::MediaStreamInterface>)mediaStream {
if (!mediaStream) {
NSAssert(NO, @"nil arguments not allowed");
self = nil;
return nil;
}
if ((self = [super init])) {
webrtc::AudioTrackVector audio_tracks = mediaStream->GetAudioTracks();
webrtc::VideoTrackVector video_tracks = mediaStream->GetVideoTracks();
_audioTracks = [NSMutableArray arrayWithCapacity:audio_tracks.size()];
_videoTracks = [NSMutableArray arrayWithCapacity:video_tracks.size()];
_mediaStream = mediaStream;
for (size_t i = 0; i < audio_tracks.size(); ++i) {
rtc::scoped_refptr<webrtc::AudioTrackInterface> track =
audio_tracks[i];
RTCAudioTrack* audioTrack =
[[RTCAudioTrack alloc] initWithMediaTrack:track];
[_audioTracks addObject:audioTrack];
}
for (size_t i = 0; i < video_tracks.size(); ++i) {
rtc::scoped_refptr<webrtc::VideoTrackInterface> track =
video_tracks[i];
RTCVideoTrack* videoTrack =
[[RTCVideoTrack alloc] initWithMediaTrack:track];
[_videoTracks addObject:videoTrack];
}
}
return self;
}
- (rtc::scoped_refptr<webrtc::MediaStreamInterface>)mediaStream {
return _mediaStream;
}
@end