[FFmpeg-trac] #5416(ffplay:new): A/V desync with FFplay

FFmpeg trac at avcodec.org
Sat Apr 9 11:01:22 CEST 2016


#5416: A/V desync with FFplay
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:  ffplay
                Version:  git-       |               Keywords:  desync
  master                             |  videolan
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Sample from videolan ticket 12722
 A badly encoded file was uploaded that can be transcoded with FFmpeg (many
 dts warnings but output plays in sync) but plays with quickly increasing
 A/V desync with FFplay:
 {{{
 $ ffplay test_avi_mjpeg_mp2_630x360_2496Kbps_29,97fps.avi
 ffplay version N-79267-g6936c11 Copyright (c) 2003-2016 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55. 20.100 / 55. 20.100
   libavcodec     57. 34.100 / 57. 34.100
   libavformat    57. 31.100 / 57. 31.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 41.100 /  6. 41.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [avi @ 0x7f2878000920] non-interleaved AVI    0KB sq=    0B f=0/0
 Input #0, avi, from 'test_avi_mjpeg_mp2_630x360_2496Kbps_29,97fps.avi':
   Metadata:
     encoder         : Lavf56.7.104
   Duration: 00:13:28.45, start: 0.000000, bitrate: 2637 kb/s
     Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj420p(pc,
 bt470bg/unknown/unknown), 640x360 [SAR 1:1 DAR 16:9], 2496 kb/s, 29.97
 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc
     Stream #0:1: Audio: mp2 (P[0][0][0] / 0x0050), 44100 Hz, stereo, s16p,
 128 kb/s
 [swscaler @ 0x7f28640648e0] deprecated pixel format used, make sure you
 did set range correctly
   10.23 A-V: -3.946 fd=   0 aq=  254KB vq=  258KB sq=    0B f=0/0
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5416>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list