Adding CastRemotingSender for media remoting.

chrome/renderer/media/cast_rtp_stream.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_MEDIA_CAST_RTP_STREAM_H_
 #define CHROME_RENDERER_MEDIA_CAST_RTP_STREAM_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 23 matching lines @@
 class CastRtpStream {
  public:
   typedef base::Callback<void(const std::string&)> ErrorCallback;
 
   static bool IsHardwareVP8EncodingSupported();
 
   static bool IsHardwareH264EncodingSupported();
 
   CastRtpStream(const blink::WebMediaStreamTrack& track,
                 const scoped_refptr<CastSession>& session);
+  CastRtpStream(bool is_audio, const scoped_refptr<CastSession>& session);
   ~CastRtpStream();
 
   // Return parameters currently supported by this stream.
   std::vector<media::cast::FrameSenderConfig> GetSupportedConfigs();
 
   // Begin encoding of media stream and then submit the encoded streams
   // to underlying transport.
+  // |stream_id| is the unique ID of this stream.
   // When the stream is started |start_callback| is called.
   // When the stream is stopped |stop_callback| is called.
   // When there is an error |error_callback| is called with a message.
-  void Start(const media::cast::FrameSenderConfig& config,
+  void Start(int32_t stream_id,
+             const media::cast::FrameSenderConfig& config,
              const base::Closure& start_callback,
              const base::Closure& stop_callback,
              const ErrorCallback& error_callback);
 
   // Stop encoding.
   void Stop();
 
   // Enables or disables logging for this stream.
   void ToggleLogging(bool enable);
 
   // Get serialized raw events for this stream with |extra_data| attached,
   // and invokes |callback| with the result.
   void GetRawEvents(
       const base::Callback<void(std::unique_ptr<base::BinaryValue>)>& callback,
       const std::string& extra_data);
 
   // Get stats in DictionaryValue format and invokves |callback| with
   // the result.
   void GetStats(const base::Callback<
                 void(std::unique_ptr<base::DictionaryValue>)>& callback);
 
  private:
-  // Return true if this track is an audio track. Return false if this
-  // track is a video track.
-  bool IsAudio() const;
-
   void DidEncounterError(const std::string& message);
 
   blink::WebMediaStreamTrack track_;
   const scoped_refptr<CastSession> cast_session_;
   std::unique_ptr<CastAudioSink> audio_sink_;
   std::unique_ptr<CastVideoSink> video_sink_;
   base::Closure stop_callback_;
   ErrorCallback error_callback_;
+  bool is_audio_;
 
   base::WeakPtrFactory<CastRtpStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CastRtpStream);
 };
 
 #endif  // CHROME_RENDERER_MEDIA_CAST_RTP_STREAM_H_