Switch to AVIO instead of a custom FFmpeg URLProtocol handler.

media/filters/ffmpeg_video_decoder.cc

 // 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.
 
 #include "media/filters/ffmpeg_video_decoder.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 115 matching lines @@
 
   // The FFmpeg API expects us to zero the data pointers in
   // this callback
   memset(frame->data, 0, sizeof(frame->data));
   frame->opaque = NULL;
 }
 
 void FFmpegVideoDecoder::Initialize(const scoped_refptr<DemuxerStream>& stream,
                                     const PipelineStatusCB& status_cb,
                                     const StatisticsCB& statistics_cb) {
-  // Ensure FFmpeg has been initialized
-  FFmpegGlue::GetInstance();
+  FFmpegGlue::InitializeFFmpeg();
 
   if (!message_loop_) {
     message_loop_ = base::ResetAndReturn(&message_loop_factory_cb_).Run();
     message_loop_->PostTask(FROM_HERE, base::Bind(
         &FFmpegVideoDecoder::Initialize, this,
         stream, status_cb, statistics_cb));
     return;
   }
 
   DCHECK(message_loop_->BelongsToCurrentThread());
@@ skipping 384 matching lines @@
     return false;
 
   if (avcodec_open2(codec_context_, codec, NULL) < 0)
     return false;
 
   av_frame_ = avcodec_alloc_frame();
   return true;
 }
 
 }  // namespace media