webrtc/video/video_receive_stream.h

/*
 *  Copyright (c) 2013 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_VIDEO_VIDEO_RECEIVE_STREAM_H_
#define WEBRTC_VIDEO_VIDEO_RECEIVE_STREAM_H_

#include <vector>

#include "webrtc/base/scoped_ptr.h"
#include "webrtc/call.h"
#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
#include "webrtc/modules/video_render/include/video_render_defines.h"
#include "webrtc/system_wrappers/interface/clock.h"
#include "webrtc/video/encoded_frame_callback_adapter.h"
#include "webrtc/video/receive_statistics_proxy.h"
#include "webrtc/video/transport_adapter.h"
#include "webrtc/video_engine/include/vie_render.h"
#include "webrtc/video_receive_stream.h"

namespace webrtc {

class VideoEngine;
class ViEBase;
class ViECodec;
class ViEExternalCodec;
class ViEImageProcess;
class ViENetwork;
class ViERender;
class ViERTP_RTCP;
class VoiceEngine;

namespace internal {

class VideoReceiveStream : public webrtc::VideoReceiveStream,
                           public I420FrameCallback,
                           public ExternalRenderer {
 public:
  VideoReceiveStream(webrtc::VideoEngine* video_engine,
                     const VideoReceiveStream::Config& config,
                     newapi::Transport* transport,
                     webrtc::VoiceEngine* voice_engine,
                     int base_channel);
  virtual ~VideoReceiveStream();

  virtual void Start() override;
  virtual void Stop() override;
  virtual Stats GetStats() const override;

  // Overrides I420FrameCallback.
  virtual void FrameCallback(I420VideoFrame* video_frame) override;

  // Overrides ExternalRenderer.
  virtual int FrameSizeChange(unsigned int width,
                              unsigned int height,
                              unsigned int number_of_streams) override;
  virtual int DeliverFrame(unsigned char* buffer,
                           size_t buffer_size,
                           uint32_t timestamp,
                           int64_t ntp_time_ms,
                           int64_t render_time_ms,
                           void* handle) override;
  virtual int DeliverI420Frame(const I420VideoFrame& webrtc_frame) override;
  virtual bool IsTextureSupported() override;

  void SignalNetworkState(Call::NetworkState state);

  virtual bool DeliverRtcp(const uint8_t* packet, size_t length);
  virtual bool DeliverRtp(const uint8_t* packet, size_t length);

 private:
  void SetRtcpMode(newapi::RtcpMode mode);

  TransportAdapter transport_adapter_;
  EncodedFrameCallbackAdapter encoded_frame_proxy_;
  const VideoReceiveStream::Config config_;
  Clock* const clock_;

  ViEBase* video_engine_base_;
  ViECodec* codec_;
  ViEExternalCodec* external_codec_;
  ViENetwork* network_;
  ViERender* render_;
  ViERTP_RTCP* rtp_rtcp_;
  ViEImageProcess* image_process_;

  rtc::scoped_ptr<ReceiveStatisticsProxy> stats_proxy_;

  int channel_;
};
}  // namespace internal
}  // namespace webrtc

#endif  // WEBRTC_VIDEO_VIDEO_RECEIVE_STREAM_H_