MSE: Use frame duration, if available, in LegacyFrameProcessor

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 <algorithm>
 #include <limits>
 #include <list>
 
@@ skipping 1541 matching lines @@
   return source_state_map_.count(source_id) > 0u;
 }
 
 void ChunkDemuxer::UpdateDuration(TimeDelta new_duration) {
   DCHECK(duration_ != new_duration);
   user_specified_duration_ = -1;
   duration_ = new_duration;
   host_->SetDuration(new_duration);
 }
 
-void ChunkDemuxer::IncreaseDurationIfNecessary(
-    TimeDelta last_appended_buffer_timestamp,
-    ChunkDemuxerStream* stream) {
-  DCHECK(last_appended_buffer_timestamp != kNoTimestamp());
-  if (last_appended_buffer_timestamp <= duration_)
+void ChunkDemuxer::IncreaseDurationIfNecessary(TimeDelta new_duration) {
+  DCHECK(new_duration != kNoTimestamp());
+
+  if (new_duration <= duration_)
     return;
 
-  TimeDelta stream_duration = stream->GetBufferedDuration();
-  DCHECK(stream_duration > TimeDelta());
+  DVLOG(2) << __FUNCTION__ << ": Increasing duration: "
+           << duration_.InSecondsF() << " -> " << new_duration.InSecondsF();
 
-  if (stream_duration > duration_)
-    UpdateDuration(stream_duration);
+  UpdateDuration(new_duration);
 }
 
 void ChunkDemuxer::DecreaseDurationIfNecessary() {
   lock_.AssertAcquired();
 
   TimeDelta max_duration;
 
   for (SourceStateMap::const_iterator itr = source_state_map_.begin();
        itr != source_state_map_.end(); ++itr) {
     max_duration = std::max(max_duration,
@@ skipping 56 matching lines @@
 }
 
 void ChunkDemuxer::ShutdownAllStreams() {
   for (SourceStateMap::iterator itr = source_state_map_.begin();
        itr != source_state_map_.end(); ++itr) {
     itr->second->Shutdown();
   }
 }
 
 }  // namespace media