Adding CastRemotingSender for media remoting.

media/cast/cast_config.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 MEDIA_CAST_CAST_CONFIG_H_
 #define MEDIA_CAST_CAST_CONFIG_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 15 matching lines @@
 // media/cast directory.  http://crbug.com/530839
 enum SuggestedDefaults {
   // Audio encoder bitrate.  Zero means "auto," which asks the encoder to select
   // a bitrate that dynamically adjusts to the content.  Otherwise, a constant
   // bitrate is used.
   kDefaultAudioEncoderBitrate = 0,
 
   // Suggested default audio sampling rate.
   kDefaultAudioSamplingRate = 48000,
 
+  // RTP timebase for media remoting RTP streams.
+  kRemotingRtpTimebase = 90000,
+
   // Suggested default maximum video frame rate.
   kDefaultMaxFrameRate = 30,
 
   // End-to-end latency in milliseconds.
   //
   // DO NOT USE THIS (400 ms is proven as ideal for general-purpose use).
   //
   // TODO(miu): Change to 400, and confirm nothing has broken in later change.
   // http://crbug.com/530839
   kDefaultRtpMaxDelayMs = 100,
@@ skipping 164 matching lines @@
 typedef base::Callback<void(std::unique_ptr<base::SharedMemory>)>
     ReceiveVideoEncodeMemoryCallback;
 typedef base::Callback<void(size_t size,
                             const ReceiveVideoEncodeMemoryCallback&)>
     CreateVideoEncodeMemoryCallback;
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_CAST_CONFIG_H_