media/cast/cast_sender_impl.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 #ifndef MEDIA_CAST_CAST_SENDER_IMPL_H_
   5 #define MEDIA_CAST_CAST_SENDER_IMPL_H_
   6
   7 #include "base/memory/ref_counted.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "media/cast/cast_config.h"
  10 #include "media/cast/cast_defines.h"
  11 #include "media/cast/cast_environment.h"
  12 #include "media/cast/cast_sender.h"
  13 #include "media/cast/sender/audio_sender.h"
  14 #include "media/cast/sender/video_sender.h"
  15
  16 namespace media {
  17 class VideoFrame;
  18
  19 namespace cast {
  20 class AudioSender;
  21 class VideoSender;
  22
  23 // This class combines all required sending objects such as the audio and video
  24 // senders, pacer, packet receiver and frame input.
  25 class CastSenderImpl : public CastSender {
  26  public:
  27   CastSenderImpl(scoped_refptr<CastEnvironment> cast_environment,
  28                  CastTransportSender* const transport_sender);
  29
  30   void InitializeAudio(const AudioSenderConfig& audio_config,
  31                        const StatusChangeCallback& status_change_cb) final;
  32   void InitializeVideo(
  33       const VideoSenderConfig& video_config,
  34       const StatusChangeCallback& status_change_cb,
  35       const CreateVideoEncodeAcceleratorCallback& create_vea_cb,
  36       const CreateVideoEncodeMemoryCallback& create_video_encode_mem_cb)
  37       final;
  38
  39   void SetTargetPlayoutDelay(base::TimeDelta new_target_playout_delay) final;
  40
  41   ~CastSenderImpl() final;
  42
  43   scoped_refptr<AudioFrameInput> audio_frame_input() final;
  44   scoped_refptr<VideoFrameInput> video_frame_input() final;
  45
  46  private:
  47   void ReceivedPacket(scoped_ptr<Packet> packet);
  48   void OnAudioStatusChange(const StatusChangeCallback& status_change_cb,
  49                            OperationalStatus status);
  50   void OnVideoStatusChange(const StatusChangeCallback& status_change_cb,
  51                            OperationalStatus status);
  52
  53   scoped_ptr<AudioSender> audio_sender_;
  54   scoped_ptr<VideoSender> video_sender_;
  55   scoped_refptr<AudioFrameInput> audio_frame_input_;
  56   scoped_refptr<VideoFrameInput> video_frame_input_;
  57   scoped_refptr<CastEnvironment> cast_environment_;
  58   // The transport sender is owned by the owner of the CastSender, and should be
  59   // valid throughout the lifetime of the CastSender.
  60   CastTransportSender* const transport_sender_;
  61
  62   // NOTE: Weak pointers must be invalidated before all other member variables.
  63   base::WeakPtrFactory<CastSenderImpl> weak_factory_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(CastSenderImpl);
  66 };
  67
  68 }  // namespace cast
  69 }  // namespace media
  70
  71 #endif  // MEDIA_CAST_CAST_SENDER_IMPL_H_