47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2016 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef WEBRTC_MEDIA_BASE_VIDEOSOURCEINTERFACE_H_
|
||
|
|
#define WEBRTC_MEDIA_BASE_VIDEOSOURCEINTERFACE_H_
|
||
|
|
|
||
|
|
#include "webrtc/media/base/videosinkinterface.h"
|
||
|
|
#include "webrtc/base/callback.h"
|
||
|
|
|
||
|
|
namespace rtc {
|
||
|
|
|
||
|
|
// VideoSinkWants is used for notifying the source of properties a video frame
|
||
|
|
// should have when it is delivered to a certain sink.
|
||
|
|
struct VideoSinkWants {
|
||
|
|
bool operator==(const VideoSinkWants& rh) const {
|
||
|
|
return rotation_applied == rh.rotation_applied;
|
||
|
|
}
|
||
|
|
bool operator!=(const VideoSinkWants& rh) const { return !operator==(rh); }
|
||
|
|
|
||
|
|
// Tells the source whether the sink wants frames with rotation applied.
|
||
|
|
// By default, the rotation is applied by the source.
|
||
|
|
bool rotation_applied = true;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <typename VideoFrameT>
|
||
|
|
class VideoSourceInterface {
|
||
|
|
public:
|
||
|
|
virtual void AddOrUpdateSink(VideoSinkInterface<VideoFrameT>* sink,
|
||
|
|
const VideoSinkWants& wants) = 0;
|
||
|
|
// RemoveSink must guarantee that at the time the method returns,
|
||
|
|
// there is no current and no future calls to VideoSinkInterface::OnFrame.
|
||
|
|
virtual void RemoveSink(VideoSinkInterface<VideoFrameT>* sink) = 0;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual ~VideoSourceInterface() {}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace rtc
|
||
|
|
#endif // WEBRTC_MEDIA_BASE_VIDEOSOURCEINTERFACE_H_
|