Chrome-side implementation of media source timestamp offset

media/webm/webm_stream_parser.h

 // 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.
 
 #ifndef MEDIA_WEBM_WEBM_STREAM_PARSER_H_
 #define MEDIA_WEBM_WEBM_STREAM_PARSER_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/audio_decoder_config.h"
@@ skipping 11 matching lines @@
   virtual ~WebMStreamParser();
 
   // StreamParser implementation.
   virtual void Init(const InitCB& init_cb, const NewConfigCB& config_cb,
                     const NewBuffersCB& audio_cb,
                     const NewBuffersCB& video_cb,
                     const NeedKeyCB& need_key_cb,
                     const NewMediaSegmentCB& new_segment_cb) OVERRIDE;
   virtual void Flush() OVERRIDE;
   virtual bool Parse(const uint8* buf, int size) OVERRIDE;
+  virtual void SetTimestampOffset(base::TimeDelta offset) OVERRIDE;
+  virtual void ClearTimestampOffset() OVERRIDE;
 
  private:
   enum State {
     kWaitingForInit,
     kParsingHeaders,
     kParsingClusters,
     kError
   };
 
   void ChangeState(State new_state);
@@ skipping 25 matching lines @@
   NeedKeyCB need_key_cb_;
   NewMediaSegmentCB new_segment_cb_;
 
   // True if a new cluster id has been seen, but no audio or video buffers have
   // been parsed yet.
   bool waiting_for_buffers_;
 
   scoped_ptr<WebMClusterParser> cluster_parser_;
   ByteQueue byte_queue_;
 
+  base::TimeDelta timestamp_offset_;
+
   DISALLOW_COPY_AND_ASSIGN(WebMStreamParser);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_WEBM_WEBM_STREAM_PARSER_H_