Track buffered byte ranges correctly in media::Pipeline.

media/filters/chunk_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/chunk_demuxer.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "media/base/audio_decoder_config.h"
@@ skipping 681 matching lines @@
     // false. This indicates we have parsed enough data to complete the seek.
     if (old_seek_waits_for_data && !seek_waits_for_data_ &&
         !seek_cb_.is_null()) {
       std::swap(cb, seek_cb_);
     }
 
     buffered_bytes_ += length;
     buffered_bytes = buffered_bytes_;
   }
 
-  // Notify the host of 'network activity' because we got data.
-  host_->SetBufferedBytes(buffered_bytes);
+  // Notify the host of 'network activity' because we got data, using a bogus
+  // range.
+  host_->AddBufferedByteRange(0, buffered_bytes);
 
   host_->SetNetworkActivity(true);
 
   if (!cb.is_null())
     cb.Run(PIPELINE_OK);
 
   return true;
 }
 
 void ChunkDemuxer::Abort(const std::string& id) {
@@ skipping 112 matching lines @@
                                           base::TimeDelta duration) {
   lock_.AssertAcquired();
   DCHECK_EQ(state_, INITIALIZING);
   if (!success || (!audio_.get() && !video_.get())) {
     ReportError_Locked(DEMUXER_ERROR_COULD_NOT_OPEN);
     return;
   }
 
   duration_ = duration;
   host_->SetDuration(duration_);
-  host_->SetCurrentReadPosition(0);
 
   ChangeState_Locked(INITIALIZED);
   PipelineStatusCB cb;
   std::swap(cb, init_cb_);
   cb.Run(PIPELINE_OK);
 }
 
 bool ChunkDemuxer::OnNewConfigs(const AudioDecoderConfig& audio_config,
                                 const VideoDecoderConfig& video_config) {
   CHECK(audio_config.IsValidConfig() || video_config.IsValidConfig());
@@ skipping 44 matching lines @@
   return true;
 }
 
 bool ChunkDemuxer::OnKeyNeeded(scoped_array<uint8> init_data,
                                int init_data_size) {
   client_->KeyNeeded(init_data.Pass(), init_data_size);
   return true;
 }
 
 }  // namespace media