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/*
* 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 "RTCVideoRendererAdapter+Private.h"
#import "base/RTCVideoFrame.h"
#include <memory>
#include "sdk/objc/native/api/video_frame.h"
namespace webrtc {
class VideoRendererAdapter
: public rtc::VideoSinkInterface<webrtc::VideoFrame> {
public:
VideoRendererAdapter(RTCVideoRendererAdapter* adapter) {
adapter_ = adapter;
size_ = CGSizeZero;
}
void OnFrame(const webrtc::VideoFrame& nativeVideoFrame) override {
RTC_OBJC_TYPE(RTCVideoFrame)* videoFrame = NativeToObjCVideoFrame(nativeVideoFrame);
CGSize current_size = (videoFrame.rotation % 180 == 0)
? CGSizeMake(videoFrame.width, videoFrame.height)
: CGSizeMake(videoFrame.height, videoFrame.width);
if (!CGSizeEqualToSize(size_, current_size)) {
size_ = current_size;
[adapter_.videoRenderer setSize:size_];
}
[adapter_.videoRenderer renderFrame:videoFrame];
}
private:
__weak RTCVideoRendererAdapter *adapter_;
CGSize size_;
};
}
@implementation RTCVideoRendererAdapter {
std::unique_ptr<webrtc::VideoRendererAdapter> _adapter;
}
@synthesize videoRenderer = _videoRenderer;
- (instancetype)initWithNativeRenderer:(id<RTC_OBJC_TYPE(RTCVideoRenderer)>)videoRenderer {
NSParameterAssert(videoRenderer);
if (self = [super init]) {
_videoRenderer = videoRenderer;
_adapter.reset(new webrtc::VideoRendererAdapter(self));
}
return self;
}
- (rtc::VideoSinkInterface<webrtc::VideoFrame> *)nativeVideoRenderer {
return _adapter.get();
}
@end
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