Mpeg2TS - estimate duration for video frames.

media/formats/mp2t/mp2t_stream_parser.h

 // 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.
 
 #ifndef MEDIA_FORMATS_MP2T_MP2T_STREAM_PARSER_H_
 #define MEDIA_FORMATS_MP2T_MP2T_STREAM_PARSER_H_
 
 #include <list>
 #include <map>
 
@@ skipping 74 matching lines @@
   // Callback invoked by the ES stream parser
   // to emit a new audio/video access unit.
   void OnEmitAudioBuffer(
       int pes_pid,
       scoped_refptr<StreamParserBuffer> stream_parser_buffer);
   void OnEmitVideoBuffer(
       int pes_pid,
       scoped_refptr<StreamParserBuffer> stream_parser_buffer);
   bool EmitRemainingBuffers();
 
-  // At the beginning of a new segment, some video frames might be discarded.
-  // This function fills the hole by duplicating the first valid key frame
-  // given by |stream_parser_buffer|.
-  void FillVideoGap(
-      const scoped_refptr<StreamParserBuffer>& stream_parser_buffer);
-
   // List of callbacks.
   InitCB init_cb_;
   NewConfigCB config_cb_;
   NewBuffersCB new_buffers_cb_;
   NeedKeyCB need_key_cb_;
   NewMediaSegmentCB new_segment_cb_;
   base::Closure end_of_segment_cb_;
   LogCB log_cb_;
 
   // True when AAC SBR extension is signalled in the mimetype
   // (mp4a.40.5 in the codecs parameter).
   bool sbr_in_mimetype_;
 
   // Bytes of the TS stream.
   ByteQueue ts_byte_queue_;
 
   // List of PIDs and their state.
   PidMap pids_;
 
   // Selected audio and video PIDs.
   int selected_audio_pid_;
   int selected_video_pid_;
 
-  // DTS of discarded buffers.
-  // Min PTS of discarded buffers.
-  std::list<base::TimeDelta> discarded_frames_dts_;
-  base::TimeDelta discarded_frames_min_pts_;
-
   // Pending audio & video buffers.
   std::list<BufferQueueWithConfig> buffer_queue_chain_;
 
   // Whether |init_cb_| has been invoked.
   bool is_initialized_;
 
   // Indicate whether a segment was started.
   bool segment_started_;
-  bool first_video_frame_in_segment_;
   base::TimeDelta time_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(Mp2tStreamParser);
 };
 
 }  // namespace mp2t
 }  // namespace media
 
 #endif