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// 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.

// Interface to the rtp receiver.

#ifndef MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_
#define MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_

#include "base/memory/scoped_ptr.h"
#include "media/cast/cast_config.h"
#include "media/cast/rtcp/rtcp.h"
#include "media/cast/rtp_receiver/receiver_stats.h"
#include "media/cast/rtp_receiver/rtp_parser/rtp_parser.h"
#include "media/cast/rtp_receiver/rtp_receiver_defines.h"

namespace media {
namespace cast {

// TODO(miu): This is a good candidate to contain common functionality that's
// identical in both AudioReceiver and VideoReceiver.
class RtpReceiver {
 public:
  RtpReceiver(base::TickClock* clock,
              const FrameReceiverConfig* audio_config,
              const FrameReceiverConfig* video_config);
  virtual ~RtpReceiver();

  static uint32 GetSsrcOfSender(const uint8* rtcp_buffer, size_t length);

  bool ReceivedPacket(const uint8* packet, size_t length);

  RtpReceiverStatistics* GetStatistics() {
    return &stats_;
  }

 protected:
  // Subclasses implement this to consume and process deserialized packets.
  virtual void OnReceivedPayloadData(const uint8* payload_data,
                                     size_t payload_size,
                                     const RtpCastHeader& rtp_header) = 0;

 private:
  RtpParser packet_parser_;
  ReceiverStats stats_;

  DISALLOW_COPY_AND_ASSIGN(RtpReceiver);
};

}  // namespace cast
}  // namespace media

#endif  // MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_