Fix up missing timestamps in FFmpegDemuxer.

media/filters/ffmpeg_demuxer.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.
 
 // Implements the Demuxer interface using FFmpeg's libavformat.  At this time
 // will support demuxing any audio/video format thrown at it.  The streams
 // output mime types audio/x-ffmpeg and video/x-ffmpeg and include an integer
 // key FFmpegCodecID which contains the CodecID enumeration value.  The CodecIDs
 // can be used to create and initialize the corresponding FFmpeg decoder.
 //
@@ skipping 217 matching lines @@
   // Calls |encrypted_media_init_data_cb_| with the initialization data
   // encountered in the file.
   void OnEncryptedMediaInitData(EmeInitDataType init_data_type,
                                 const std::string& encryption_key_id);
 
   // Allow FFmpegDemuxerStream to notify us when there is updated information
   // about capacity and what buffered data is available.
   void NotifyCapacityAvailable();
   void NotifyBufferingChanged();
 
+  // Allow FFmpegDemxuerStream to notify us about an error.

[wolenetz, 2016/12/21 20:10:55]

nit: typo

+  void NotifyDemuxerError(PipelineStatus error);
+
   void OnEnabledAudioTracksChanged(const std::vector<MediaTrack::Id>& track_ids,
                                    base::TimeDelta currTime) override;
   // |track_ids| is either empty or contains a single video track id.
   void OnSelectedVideoTrackChanged(const std::vector<MediaTrack::Id>& track_ids,
                                    base::TimeDelta currTime) override;
 
   // The lowest demuxed timestamp.  If negative, DemuxerStreams must use this to
   // adjust packet timestamps such that external clients see a zero-based
   // timeline.
   base::TimeDelta start_time() const { return start_time_; }
@@ skipping 117 matching lines @@
   base::WeakPtr<FFmpegDemuxer> weak_this_;
   base::WeakPtrFactory<FFmpegDemuxer> cancel_pending_seek_factory_;
   base::WeakPtrFactory<FFmpegDemuxer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FFmpegDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_FFMPEG_DEMUXER_H_