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      1 /*
      2  *  Copyright (c) 2013 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 WEBRTC_VIDEO_VIDEO_RECEIVE_STREAM_H_
     12 #define WEBRTC_VIDEO_VIDEO_RECEIVE_STREAM_H_
     13 
     14 #include <vector>
     15 
     16 #include "webrtc/base/scoped_ptr.h"
     17 #include "webrtc/call.h"
     18 #include "webrtc/call/transport_adapter.h"
     19 #include "webrtc/common_video/include/incoming_video_stream.h"
     20 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
     21 #include "webrtc/modules/video_render/video_render_defines.h"
     22 #include "webrtc/system_wrappers/include/clock.h"
     23 #include "webrtc/video/encoded_frame_callback_adapter.h"
     24 #include "webrtc/video/receive_statistics_proxy.h"
     25 #include "webrtc/video/vie_channel.h"
     26 #include "webrtc/video/vie_encoder.h"
     27 #include "webrtc/video_encoder.h"
     28 #include "webrtc/video_receive_stream.h"
     29 
     30 namespace webrtc {
     31 
     32 class CallStats;
     33 class CongestionController;
     34 class VoiceEngine;
     35 
     36 namespace internal {
     37 
     38 class VideoReceiveStream : public webrtc::VideoReceiveStream,
     39                            public I420FrameCallback,
     40                            public VideoRenderCallback,
     41                            public EncodedImageCallback {
     42  public:
     43   VideoReceiveStream(int num_cpu_cores,
     44                      CongestionController* congestion_controller,
     45                      const VideoReceiveStream::Config& config,
     46                      webrtc::VoiceEngine* voice_engine,
     47                      ProcessThread* process_thread,
     48                      CallStats* call_stats);
     49   ~VideoReceiveStream() override;
     50 
     51   // webrtc::ReceiveStream implementation.
     52   void Start() override;
     53   void Stop() override;
     54   void SignalNetworkState(NetworkState state) override;
     55   bool DeliverRtcp(const uint8_t* packet, size_t length) override;
     56   bool DeliverRtp(const uint8_t* packet,
     57                   size_t length,
     58                   const PacketTime& packet_time) override;
     59 
     60   // webrtc::VideoReceiveStream implementation.
     61   webrtc::VideoReceiveStream::Stats GetStats() const override;
     62 
     63   // Overrides I420FrameCallback.
     64   void FrameCallback(VideoFrame* video_frame) override;
     65 
     66   // Overrides VideoRenderCallback.
     67   int RenderFrame(const uint32_t /*stream_id*/,
     68                   const VideoFrame& video_frame) override;
     69 
     70   // Overrides EncodedImageCallback.
     71   int32_t Encoded(const EncodedImage& encoded_image,
     72                   const CodecSpecificInfo* codec_specific_info,
     73                   const RTPFragmentationHeader* fragmentation) override;
     74 
     75   const Config& config() const { return config_; }
     76 
     77   void SetSyncChannel(VoiceEngine* voice_engine, int audio_channel_id);
     78 
     79  private:
     80   TransportAdapter transport_adapter_;
     81   EncodedFrameCallbackAdapter encoded_frame_proxy_;
     82   const VideoReceiveStream::Config config_;
     83   Clock* const clock_;
     84 
     85   CongestionController* const congestion_controller_;
     86   CallStats* const call_stats_;
     87 
     88   rtc::scoped_ptr<IncomingVideoStream> incoming_video_stream_;
     89   rtc::scoped_ptr<ReceiveStatisticsProxy> stats_proxy_;
     90   rtc::scoped_ptr<ViEChannel> vie_channel_;
     91 };
     92 }  // namespace internal
     93 }  // namespace webrtc
     94 
     95 #endif  // WEBRTC_VIDEO_VIDEO_RECEIVE_STREAM_H_
     96