Track buffered byte ranges correctly in media::Pipeline.

media/filters/ffmpeg_demuxer.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_demuxer.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 380 matching lines @@
   // let FFmpeg demuxer methods to run on.
   int last_read_bytes = WaitForRead();
   if (last_read_bytes == DataSource::kReadError) {
     host_->OnDemuxerError(PIPELINE_ERROR_READ);
 
     // Returns with a negative number to signal an error to FFmpeg.
     read_has_failed_ = true;
     return AVERROR(EIO);
   }
   read_position_ += last_read_bytes;
-  host_->SetCurrentReadPosition(read_position_);
 
   return last_read_bytes;
 }
 
 bool FFmpegDemuxer::GetPosition(int64* position_out) {
   DCHECK(host_);
   *position_out = read_position_;
   return true;
 }
 
@@ skipping 338 matching lines @@
   read_event_.Wait();
   return last_read_bytes_;
 }
 
 void FFmpegDemuxer::SignalReadCompleted(int size) {
   last_read_bytes_ = size;
   read_event_.Signal();
 }
 
 }  // namespace media