Switch to AVIO instead of a custom FFmpeg URLProtocol handler.

media/filters/audio_file_reader.h

 // Copyright (c) 2011 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_FILTERS_AUDIO_FILE_READER_H_
 #define MEDIA_FILTERS_AUDIO_FILE_READER_H_
 
-#include <vector>
-#include "media/filters/ffmpeg_glue.h"
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "media/base/media_export.h"
 
 struct AVCodecContext;
-struct AVFormatContext;
 
 namespace base { class TimeDelta; }
 
 namespace media {
 
 class AudioBus;
+class FFmpegGlue;
 class FFmpegURLProtocol;
 
 class MEDIA_EXPORT AudioFileReader {
  public:
   // Audio file data will be read using the given protocol.
   // The AudioFileReader does not take ownership of |protocol| and
   // simply maintains a weak reference to it.
   explicit AudioFileReader(FFmpegURLProtocol* protocol);
   virtual ~AudioFileReader();
 
@@ skipping 17 matching lines @@
   int sample_rate() const;
 
   // Please note that duration() and number_of_frames() attempt to be accurate,
   // but are only estimates.  For some encoded formats, the actual duration
   // of the file can only be determined once all the file data has been read.
   // The Read() method returns the actual number of sample-frames it has read.
   base::TimeDelta duration() const;
   int64 number_of_frames() const;
 
  private:
-  FFmpegURLProtocol* protocol_;
-  AVFormatContext* format_context_;
+  scoped_ptr<FFmpegGlue> glue_;
   AVCodecContext* codec_context_;
   int stream_index_;
+  FFmpegURLProtocol* protocol_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioFileReader);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_AUDIO_FILE_READER_H_