[FFmpeg-trac] #3156(FFplay:new): Laggy a/v sync catch up after seeking with ffplay
FFmpeg
trac at avcodec.org
Wed Nov 20 13:33:25 CET 2013
#3156: Laggy a/v sync catch up after seeking with ffplay
-------------------------------------+----------------------------------
Reporter: ubitux | Owner:
Type: defect | Status: new
Priority: normal | Component: FFplay
Version: unspecified | Resolution:
Keywords: ffplay seek | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+----------------------------------
Description changed by ubitux:
Old description:
> $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.
New description:
$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.
It's not reproducible with -an, hence the a/v sync catch up suggestion.
--
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3156#comment:1>
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