3 * Copyright 2013, Google Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #if !defined(__has_feature) || !__has_feature(objc_arc)
29 #error "This file requires ARC support."
32 #import "RTCVideoTrack+Internal.h"
34 #import "RTCMediaStreamTrack+Internal.h"
35 #import "RTCVideoRenderer+Internal.h"
37 @implementation RTCVideoTrack {
38 NSMutableArray* _rendererArray;
41 - (id)initWithMediaTrack:
42 (talk_base::scoped_refptr<webrtc::MediaStreamTrackInterface>)
44 if (self = [super initWithMediaTrack:mediaTrack]) {
45 _rendererArray = [NSMutableArray array];
50 - (void)addRenderer:(RTCVideoRenderer*)renderer {
51 NSAssert1(![self.renderers containsObject:renderer],
52 @"renderers already contains object [%@]",
53 [renderer description]);
54 [_rendererArray addObject:renderer];
55 self.videoTrack->AddRenderer(renderer.videoRenderer);
58 - (void)removeRenderer:(RTCVideoRenderer*)renderer {
59 NSUInteger index = [self.renderers indexOfObjectIdenticalTo:renderer];
60 if (index != NSNotFound) {
61 [_rendererArray removeObjectAtIndex:index];
62 self.videoTrack->RemoveRenderer(renderer.videoRenderer);
66 - (NSArray*)renderers {
67 return [_rendererArray copy];
72 @implementation RTCVideoTrack (Internal)
74 - (talk_base::scoped_refptr<webrtc::VideoTrackInterface>)videoTrack {
75 return static_cast<webrtc::VideoTrackInterface*>(self.mediaTrack.get());