[FFmpeg-devel] [FFmpeg-cvslog] avconv: Do not try to configure filter outputs without streams

Michael Niedermayer michael at niedermayer.cc
Sat Oct 10 15:18:54 CEST 2015


On Sat, Oct 10, 2015 at 09:43:55AM +0200, Luca Barbato wrote:
> ffmpeg | branch: master | Luca Barbato <lu_zero at gentoo.org> | Mon Oct  5 20:49:55 2015 +0200| [8b830ee9a26d47b138f12a82085cdb372f407f1e] | committer: Luca Barbato
> avconv: Do not try to configure filter outputs without streams
> Prevent a NULL-dereference.
> CC: libav-stable at libav.org
> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8b830ee9a26d47b138f12a82085cdb372f407f1e

this is not good
we already have code in configure_output_filter that checks
ofilter->ost != NULL and prints a clear warning in that case

./ffmpeg -f lavfi -i color -f lavfi -i color -filter_complex "[1]null[x],[0][1]overlay" -f null -
Filter null has a unconnected output
Output pad "default" with type video of the filter instance "Parsed_null_0" of null not connected to any destination
Error configuring complex filters.
Invalid argument

anyone against reverting this ?

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Avoid a single point of failure, be that a person or equipment.
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