[FFmpeg-trac] #2846(undetermined:new): Two-pass libx264 -preset veryslow crashes on some MPEG-type inputs
FFmpeg
trac at avcodec.org
Fri Aug 23 19:30:40 CEST 2013
#2846: Two-pass libx264 -preset veryslow crashes on some MPEG-type inputs
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Reporter: | Owner:
francois.visagie@… | Status: new
Type: defect | Component:
Priority: normal | undetermined
Version: unspecified | Resolution:
Keywords: crash | Blocked By:
libx264 | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
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Comment (by cehoyos):
Replying to [comment:17 francois.visagie@…]:
> {{{
> [libx264 @ 0447f020] 2nd pass has more frames than 1st pass (3924)
> [libx264 @ 0447f020] continuing anyway, at constant QP=36
> frame= 3929 fps=408 q=-1.0 Lsize= 18182kB time=00:02:11.10
bitrate=1136.1kbits/s dup=4 drop=0
> }}}
I may misunderstand how two-pass encoding works but I suspect this means
that the encoding was completely broken (the statistics were wrong / did
not match the actual encoded frames) and that aborting (without a crash as
done with shorter input files with other presets) is much better.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2846#comment:18>
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