// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_CAST_CAST_RECEIVER_IMPL_H_
#define MEDIA_CAST_CAST_RECEIVER_IMPL_H_

#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "media/cast/audio_receiver/audio_receiver.h"
#include "media/cast/cast_config.h"
#include "media/cast/cast_environment.h"
#include "media/cast/cast_receiver.h"
#include "media/cast/transport/pacing/paced_sender.h"
#include "media/cast/video_receiver/video_receiver.h"

namespace media {
namespace cast {
// This calls is a pure owner class that group all required receive objects
// together such as pacer, packet receiver, frame receiver, audio and video
// receivers.
class CastReceiverImpl : public CastReceiver {
 public:
  CastReceiverImpl(scoped_refptr<CastEnvironment> cast_environment,
                   const AudioReceiverConfig& audio_config,
                   const VideoReceiverConfig& video_config,
                   transport::PacketSender* const packet_sender);

  virtual ~CastReceiverImpl();

  // All received RTP and RTCP packets for the call should be sent to this
  // PacketReceiver;
  virtual transport::PacketReceiverCallback packet_receiver() OVERRIDE;

  // Interface to get audio and video frames from the CastReceiver.
  virtual scoped_refptr<FrameReceiver> frame_receiver() OVERRIDE;

 private:
  void ReceivedPacket(scoped_ptr<Packet> packet);
  void UpdateTargetDelay(base::TimeDelta target_delay_ms);

  transport::PacedSender pacer_;
  AudioReceiver audio_receiver_;
  VideoReceiver video_receiver_;
  scoped_refptr<FrameReceiver> frame_receiver_;
  scoped_refptr<CastEnvironment> cast_environment_;
  const uint32 ssrc_of_audio_sender_;
  const uint32 ssrc_of_video_sender_;

  DISALLOW_COPY_AND_ASSIGN(CastReceiverImpl);
};

}  // namespace cast
}  // namespace media

#endif  // MEDIA_CAST_CAST_RECEIVER_IMPL_