Not allow compression when requesting multimedia

media/filters/ffmpeg_demuxer.cc

 // 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.
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
@@ skipping 403 matching lines @@
 
 bool FFmpegDemuxer::GetPosition(int64* position_out) {
   *position_out = read_position_;
   return true;
 }
 
 bool FFmpegDemuxer::SetPosition(int64 position) {
   DCHECK(data_source_);
 
   int64 file_size;
-  if (!data_source_->GetSize(&file_size) || position >= file_size ||
-      position < 0)
+  if ((data_source_->GetSize(&file_size) && position >= file_size) ||
+      position < 0) {
     return false;
+  }
 
   read_position_ = position;
   return true;
 }
 
 bool FFmpegDemuxer::GetSize(int64* size_out) {
   DCHECK(data_source_);
 
   return data_source_->GetSize(size_out);
 }
@@ skipping 263 matching lines @@
   read_event_.Wait();
   return last_read_bytes_;
 }
 
 void FFmpegDemuxer::SignalReadCompleted(size_t size) {
   last_read_bytes_ = size;
   read_event_.Signal();
 }
 
 }  // namespace media