[FFmpeg-devel] Assert failing in libavcodec - ratecontrol.c
Michael Niedermayer
michaelni
Sun Jul 15 10:02:17 CEST 2007
Hi
On Sun, Jul 15, 2007 at 04:27:15PM +1000, Neil Brown wrote:
>
> Hi,
> I have been exploring kdenlive (which uses the MLT framework with
> uses the ffmpeg libraries) and I have experienced a problem with
> assertions failing which kills the video rendering process.
>
> When I assemble some clips together in kdenlive and ask it to render
> the final product as an mpeg2 file, it starts rendering OK, but will
> often crash at the point where one clip ends and the next starts.
>
> The crash is due to an assertion failing in ff_rate_estimate_qscale
> in ratecontrol.c
>
> There are 4 places in this code where it says:
>
> assert(q>0.0);
>
> The second and third of these can both fail. i.e. those that are
> commented out here:
is this reproduceable with command line ffmpeg? if yes please provide
full uncut output and command line parameters
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Freedom in capitalist society always remains about the same as it was in
ancient Greek republics: Freedom for slave owners. -- Vladimir Lenin
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