media/cast/cast_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 #ifndef MEDIA_CAST_CAST_RECEIVER_H_
   6 #define MEDIA_CAST_CAST_RECEIVER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/time/time.h"
  10 #include "media/cast/cast_config.h"
  11
  12 namespace media {
  13 namespace cast {
  14
  15 class FrameReceiver {
  16  public:
  17   virtual bool GetRawVideoFrame(I420VideoFrame* video_frame,
  18                                 base::TimeTicks* render_time) = 0;
  19
  20   virtual bool GetEncodedVideoFrame(EncodedVideoFrame* video_frame,
  21                                     base::TimeTicks* render_time) = 0;
  22
  23   virtual void ReleaseEncodedVideoFrame(uint8 frame_id) = 0;
  24
  25   virtual bool GetRawAudioFrame(int number_of_10ms_blocks,
  26                                 int desired_frequency,
  27                                 PcmAudioFrame* audio_frame,
  28                                 base::TimeTicks* playout_time) = 0;
  29
  30   virtual bool GetCodedAudioFrame(EncodedAudioFrame* audio_frame,
  31                                   base::TimeTicks* playout_time) = 0;
  32
  33   virtual void ReleaseCodedAudioFrame(uint8 frame_id) = 0;
  34
  35 protected:
  36   virtual ~FrameReceiver() {}
  37 };
  38
  39 class CastReceiver {
  40  public:
  41   static CastReceiver* CreateCastReceiver(
  42       const AudioReceiverConfig& audio_config,
  43       const VideoReceiverConfig& video_config,
  44       PacketSender* const packet_sender);
  45
  46   // All received RTP and RTCP packets for the call should be inserted to this
  47   // PacketReceiver. The PacketReceiver pointer is valid as long as the
  48   // CastReceiver instance exists.
  49   virtual PacketReceiver* packet_receiver() = 0;
  50
  51   // Polling interface to get audio and video frames from the CastReceiver.
  52   virtual FrameReceiver* frame_receiver() = 0;
  53
  54   virtual ~CastReceiver() {};
  55 };
  56
  57 }  // namespace cast
  58 }  // namespace media
  59
  60 #endif  // MEDIA_CAST_CAST_RECEIVER_H_