1 /*
2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef VIDEO_VIDEO_STREAM_DECODER_H_
12 #define VIDEO_VIDEO_STREAM_DECODER_H_
13 
14 #include <list>
15 #include <map>
16 #include <memory>
17 #include <vector>
18 
19 #include "api/scoped_refptr.h"
20 #include "api/video/video_sink_interface.h"
21 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
22 #include "modules/video_coding/include/video_coding_defines.h"
23 #include "rtc_base/platform_thread.h"
24 #include "rtc_base/synchronization/mutex.h"
25 
26 namespace webrtc {
27 
28 class ReceiveStatisticsProxy;
29 class VideoReceiver2;
30 
31 class VideoStreamDecoder : public VCMReceiveCallback {
32  public:
33   VideoStreamDecoder(
34       VideoReceiver2* video_receiver,
35       ReceiveStatisticsProxy* receive_statistics_proxy,
36       rtc::VideoSinkInterface<VideoFrame>* incoming_video_stream);
37   ~VideoStreamDecoder() override;
38 
39   // Implements VCMReceiveCallback.
40   int32_t FrameToRender(VideoFrame& video_frame,
41                         absl::optional<uint8_t> qp,
42                         int32_t decode_time_ms,
43                         VideoContentType content_type) override;
44   void OnDroppedFrames(uint32_t frames_dropped) override;
45   void OnIncomingPayloadType(int payload_type) override;
46   void OnDecoderImplementationName(const char* implementation_name) override;
47 
48   void RegisterReceiveStatisticsProxy(
49       ReceiveStatisticsProxy* receive_statistics_proxy);
50 
51  private:
52   // Used for all registered callbacks except rendering.
53   Mutex mutex_;
54 
55   VideoReceiver2* const video_receiver_;
56 
57   ReceiveStatisticsProxy* const receive_stats_callback_;
58   rtc::VideoSinkInterface<VideoFrame>* const incoming_video_stream_;
59 };
60 
61 }  // namespace webrtc
62 
63 #endif  // VIDEO_VIDEO_STREAM_DECODER_H_
64