[FFmpeg-devel] Evolution of lavfi's design and API

Nicolas George george at nsup.org
Wed Aug 31 17:23:23 EEST 2016

Le quintidi 15 fructidor, an CCXXIV, Michael Niedermayer a écrit :
> ./ffmpeg -i tickets//679/oversized_pgs_subtitles.mkv -filter_complex '[0:s:1]scale=848x480,[0:v]overlay=shortest=1' test.avi
> fails assertion:
> Assertion progress failed at libavfilter/avfilter.c:1391
> https://trac.ffmpeg.org/attachment/ticket/679/oversized_pgs_subtitles.mkv
> ffmpeg -v 0 -i tickets/3539/crash.swf -map 0 -t  1  -f framecrc -
> output changes, not sure this is a bug but reporting it anyway as i
> noticed
> http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket3539/
> doc/examples/filtering_video matrixbench_mpeg2.mpg
> also breaks

Thanks for the testing. I reproduced the first one (does not fail with "-f
null -") and will try to fix all these.


  Nicolas George
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