[FFmpeg-trac] #3156(FFplay:new): Laggy a/v sync catch up after seeking with ffplay

[FFmpeg]

#3156: Laggy a/v sync catch up after seeking with ffplay
-------------------------------------+-------------------------------------
               Reporter:  ubitux     |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:  FFplay
                Version:             |               Keywords:  ffplay seek
  unspecified                        |               Blocking:
             Blocked By:             |  Analyzed by developer:  0
Reproduced by developer:  0          |
-------------------------------------+-------------------------------------
 $summary

 {{{
 ☭ ./ffplay ~/samples/matrixbench_mpeg2.mpg
 ffplay version N-58262-g0dd8e96 Copyright (c) 2003-2013 the FFmpeg
 developers
   built on Nov 19 2013 09:49:57 with gcc 4.8.2 (GCC)
   configuration: --enable-gpl --enable-libx264 --enable-libmp3lame
 --enable-x11grab --enable-libvorbis --samples=/home/ux/fate-samples
 --enable-libfreetype --enable-libvpx --cpu=native --cc='ccache cc'
   libavutil      52. 53.100 / 52. 53.100
   libavcodec     55. 43.101 / 55. 43.101
   libavformat    55. 21.100 / 55. 21.100
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 91.100 /  3. 91.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 [NULL @ 0x7f4494001720] start time is not set in estimate_timings_from_pts
 [...]
 }}}

 After each seek, the video is laggy for about 1 sec.

 It's not reproducible with any sample. Sample used available at
 http://samples.ffmpeg.org/benchmark/testsuite1/matrixbench_mpeg2.mpg

 It doesn't appear to be a regression, and if it is, probably a very old
 one.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3156>
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