chrome/renderer/media/cast_receiver_session.h

   1 // Copyright 2015 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 CHROME_RENDERER_MEDIA_CAST_RECEIVER_SESSION_H_
   6 #define CHROME_RENDERER_MEDIA_CAST_RECEIVER_SESSION_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/single_thread_task_runner.h"
  11 #include "chrome/renderer/media/cast_receiver_session_delegate.h"
  12
  13 namespace blink {
  14 class WebMediaStream;
  15 }
  16
  17 namespace media {
  18 class AudioCapturerSource;
  19 struct VideoCaptureFormat;
  20 class VideoCapturerSource;
  21 }
  22
  23 namespace net {
  24 class IPEndPoint;
  25 }
  26
  27 namespace base {
  28 class DictionaryValue;
  29 }
  30
  31 // This a render thread object, all methods, construction and
  32 // destruction must happen on the render thread.
  33 class CastReceiverSession : public base::RefCounted<CastReceiverSession> {
  34  public:
  35   CastReceiverSession();
  36
  37   typedef base::Callback<void(scoped_refptr<media::AudioCapturerSource>,
  38                               scoped_ptr<media::VideoCapturerSource>)> StartCB;
  39
  40   // Note that the cast receiver will start responding to
  41   // incoming network streams immediately, buffering input until
  42   // StartAudio/StartVideo is called.
  43   // Five first parameters are passed to cast receiver.
  44   // |start_callback| is called when initialization is done.
  45   // TODO(hubbe): Currently the audio component of the returned media
  46   // stream only the exact format that the sender is sending us.
  47   void Start(const media::cast::FrameReceiverConfig& audio_config,
  48              const media::cast::FrameReceiverConfig& video_config,
  49              const net::IPEndPoint& local_endpoint,
  50              const net::IPEndPoint& remote_endpoint,
  51              scoped_ptr<base::DictionaryValue> options,
  52              const media::VideoCaptureFormat& capture_format,
  53              const StartCB& start_callback,
  54              const CastReceiverSessionDelegate::ErrorCallback& error_callback);
  55
  56  private:
  57   class VideoCapturerSource;
  58   class AudioCapturerSource;
  59   friend class base::RefCounted<CastReceiverSession>;
  60   virtual ~CastReceiverSession();
  61   void StartAudio(scoped_refptr<CastReceiverAudioValve> audio_valve);
  62
  63   void StartVideo(content::VideoCaptureDeliverFrameCB frame_callback);
  64   // Stop Video callbacks.
  65   // Note that this returns immediately, but callbacks do not stop immediately.
  66   void StopVideo();
  67
  68   media::cast::FrameReceiverConfig audio_config_;
  69   media::cast::FrameReceiverConfig video_config_;
  70   scoped_ptr<CastReceiverSessionDelegate> delegate_;
  71   const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
  72   media::VideoCaptureFormat format_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(CastReceiverSession);
  75 };
  76
  77 #endif // CHROME_RENDERER_MEDIA_CAST_RECEIVER_SESSION_H_