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/*
* 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 "RTCVideoTrack+Internal.h"
#import "RTCMediaStreamTrack+Internal.h"
#import "RTCVideoRendererAdapter.h"
@implementation RTCVideoTrack {
NSMutableArray* _adapters;
}
- (id)initWithMediaTrack:
(rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)
mediaTrack {
if (self = [super initWithMediaTrack:mediaTrack]) {
_adapters = [NSMutableArray array];
}
return self;
}
- (void)addRenderer:(id<RTCVideoRenderer>)renderer {
// Make sure we don't have this renderer yet.
for (RTCVideoRendererAdapter* adapter in _adapters) {
NSParameterAssert(adapter.videoRenderer != renderer);
}
// Create a wrapper that provides a native pointer for us.
RTCVideoRendererAdapter* adapter =
[[RTCVideoRendererAdapter alloc] initWithVideoRenderer:renderer];
[_adapters addObject:adapter];
self.nativeVideoTrack->AddRenderer(adapter.nativeVideoRenderer);
}
- (void)removeRenderer:(id<RTCVideoRenderer>)renderer {
RTCVideoRendererAdapter* adapter = nil;
NSUInteger indexToRemove = NSNotFound;
for (NSUInteger i = 0; i < _adapters.count; i++) {
adapter = _adapters[i];
if (adapter.videoRenderer == renderer) {
indexToRemove = i;
break;
}
}
if (indexToRemove == NSNotFound) {
return;
}
self.nativeVideoTrack->RemoveRenderer(adapter.nativeVideoRenderer);
[_adapters removeObjectAtIndex:indexToRemove];
}
@end
@implementation RTCVideoTrack (Internal)
- (rtc::scoped_refptr<webrtc::VideoTrackInterface>)nativeVideoTrack {
return static_cast<webrtc::VideoTrackInterface*>(self.mediaTrack.get());
}
@end
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