media/cast/rtp_receiver/rtp_receiver.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Interface to the rtp receiver.
   6
   7 #ifndef MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_
   8 #define MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "media/cast/cast_config.h"
  12 #include "media/cast/rtcp/rtcp.h"
  13 #include "media/cast/rtp_receiver/rtp_receiver_defines.h"
  14
  15 namespace media {
  16 namespace cast {
  17
  18 class RtpData {
  19  public:
  20   virtual void OnReceivedPayloadData(const uint8* payload_data,
  21                                      size_t payload_size,
  22                                      const RtpCastHeader* rtp_header) = 0;
  23
  24  protected:
  25   virtual ~RtpData() {}
  26 };
  27
  28 class ReceiverStats;
  29 class RtpParser;
  30
  31 class RtpReceiver {
  32  public:
  33   RtpReceiver(base::TickClock* clock,
  34               const AudioReceiverConfig* audio_config,
  35               const VideoReceiverConfig* video_config,
  36               RtpData* incoming_payload_callback);
  37   ~RtpReceiver();
  38
  39   static uint32 GetSsrcOfSender(const uint8* rtcp_buffer, size_t length);
  40
  41   bool ReceivedPacket(const uint8* packet, size_t length);
  42
  43   void GetStatistics(uint8* fraction_lost,
  44                      uint32* cumulative_lost,  // 24 bits valid.
  45                      uint32* extended_high_sequence_number,
  46                      uint32* jitter);
  47
  48  private:
  49   scoped_ptr<ReceiverStats> stats_;
  50   scoped_ptr<RtpParser> parser_;
  51 };
  52
  53 }  // namespace cast
  54 }  // namespace media
  55
  56 #endif  // MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_