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/receiver_stats.h"
  14 #include "media/cast/rtp_receiver/rtp_parser/rtp_parser.h"
  15 #include "media/cast/rtp_receiver/rtp_receiver_defines.h"
  16
  17 namespace media {
  18 namespace cast {
  19
  20 // TODO(miu): This is a good candidate to contain common functionality that's
  21 // identical in both AudioReceiver and VideoReceiver.
  22 class RtpReceiver {
  23  public:
  24   RtpReceiver(base::TickClock* clock,
  25               const AudioReceiverConfig* audio_config,
  26               const VideoReceiverConfig* video_config);
  27   virtual ~RtpReceiver();
  28
  29   static uint32 GetSsrcOfSender(const uint8* rtcp_buffer, size_t length);
  30
  31   bool ReceivedPacket(const uint8* packet, size_t length);
  32
  33   RtpReceiverStatistics* GetStatistics() {
  34     return &stats_;
  35   }
  36
  37  protected:
  38   // Subclasses implement this to consume and process deserialized packets.
  39   virtual void OnReceivedPayloadData(const uint8* payload_data,
  40                                      size_t payload_size,
  41                                      const RtpCastHeader& rtp_header) = 0;
  42
  43  private:
  44   RtpParser packet_parser_;
  45   ReceiverStats stats_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(RtpReceiver);
  48 };
  49
  50 }  // namespace cast
  51 }  // namespace media
  52
  53 #endif  // MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_