ffmpeg reset bitstream converters on Seek

media/filters/ffmpeg_demuxer.h

Index: media/filters/ffmpeg_demuxer.h
diff --git a/media/filters/ffmpeg_demuxer.h b/media/filters/ffmpeg_demuxer.h
index 8d4c91594136c7f34b1def22ee1f25e3e8d0e184..ddcf9034f2597ebb06cda4511b1d9e1b0eb7d8a9 100644
--- a/media/filters/ffmpeg_demuxer.h
+++ b/media/filters/ffmpeg_demuxer.h
@@ -124,6 +124,9 @@ class FFmpegDemuxerStream : public DemuxerStream {
   static base::TimeDelta ConvertStreamTimestamp(const AVRational& time_base,
                                                 int64 timestamp);
 
+  // Resets any currently active bitstream converters.
+  void ResetBitstreamConverter();
+
   FFmpegDemuxer* demuxer_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   AVStream* stream_;