Chrome-side implementation of media source timestamp offset

media/base/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_BASE_STREAM_PARSER_H_
 #define MEDIA_BASE_STREAM_PARSER_H_
 
 #include <deque>
 
 #include "base/callback_forward.h"
@@ skipping 68 matching lines @@
   // Called when a seek occurs. This flushes the current parser state
   // and puts the parser in a state where it can receive data for the new seek
   // point.
   virtual void Flush() = 0;
 
   // Called when there is new data to parse.
   //
   // Returns true if the parse succeeds.
   virtual bool Parse(const uint8* buf, int size) = 0;
 
+  // Gives the parser a time offset to apply to the buffers it parsers,
+  // beginning at the next media segment.
+  // First parameter - The time offset.
+  virtual void SetTimestampOffset(base::TimeDelta offset) = 0;
+
+  // Called to clear the offset set from a call SetTimestampOffset(). Does
+  // nothing if SetTimestampOffset() was never called before.
+  virtual void ClearTimestampOffset() = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(StreamParser);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_STREAM_PARSER_H_