MSE: Maintain continuity in sequence appendMode across ResetParserState

media/filters/frame_processor.cc

 // Copyright 2014 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/frame_processor.h"
 
 #include <cstdlib>
 
 #include "base/stl_util.h"
 #include "media/base/stream_parser_buffer.h"
@@ skipping 269 matching lines @@
     itr->second->set_needs_random_access_point(true);
   }
 }
 
 void FrameProcessor::Reset() {
   DVLOG(2) << __FUNCTION__ << "()";
   for (TrackBufferMap::iterator itr = track_buffers_.begin();
        itr != track_buffers_.end(); ++itr) {
     itr->second->Reset();
   }
+
+  if (sequence_mode_) {
+    DCHECK(kNoTimestamp() != group_end_timestamp_);
+    group_start_timestamp_ = group_end_timestamp_;
+  }
 }
 
 void FrameProcessor::OnPossibleAudioConfigUpdate(
     const AudioDecoderConfig& config) {
   DCHECK(config.IsValidConfig());
 
   // Always clear the preroll buffer when a config update is received.
   audio_preroll_buffer_ = NULL;
 
   if (config.Matches(current_audio_config_))
@@ skipping 430 matching lines @@
     DCHECK(group_end_timestamp_ >= base::TimeDelta());
 
     return true;
   }
 
   NOTREACHED();
   return false;
 }
 
 }  // namespace media