Plumb extra_data() to VideoDecodeAccelerator

media/video/video_decode_accelerator.h

 // Copyright (c) 2012 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_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 62 matching lines @@
 
     // Callback to notify about decoding errors.
     virtual void NotifyError(Error error) = 0;
   };
 
   // Video decoder functions.
 
   // Initializes the video decoder with specific configuration.
   // Parameters:
   //  |profile| is the video stream's format profile.
-  //
+  //  |frame_size| is the width and height of the video frame. This parameter
+  //  is optional and can be set to 0,0.
+  //  |extra_data| is the byte data required to initialize video decoders, for
+  //  example the H.264 AAVC data. This parameter is optional and can be set
+  //  to an empty vector.
   // Returns true when command successfully accepted. Otherwise false.
-  virtual bool Initialize(VideoCodecProfile profile) = 0;
+  virtual bool Initialize(VideoCodecProfile profile,
+                          const gfx::Size& frame_size,
+                          const std::vector<uint8_t>& extra_data) = 0;
 
   // Decodes given bitstream buffer. Once decoder is done with processing
   // |bitstream_buffer| it will call NotifyEndOfBitstreamBuffer() with the
   // bitstream buffer id.
   // Parameters:
   //  |bitstream_buffer| is the input bitstream that is sent for decoding.
   virtual void Decode(const BitstreamBuffer& bitstream_buffer) = 0;
 
   // Assigns a set of texture-backed picture buffers to the video decoder.
   //
@@ skipping 32 matching lines @@
   virtual void Destroy() = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<VideoDecodeAccelerator>;
   virtual ~VideoDecodeAccelerator();
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_