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author | Anton Khirnov <anton@khirnov.net> | 2023-06-08 21:33:44 +0200 |
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committer | Anton Khirnov <anton@khirnov.net> | 2023-06-19 09:48:55 +0200 |
commit | b1a213ab5d84085ae2b98452daa8feda01881cbf (patch) | |
tree | b268b87cb768682294980d523c3ce2f3b668fa67 /fftools/ffmpeg_filter.c | |
parent | a7aa05c599fc013e967cc54f1ce0dbe16316235e (diff) | |
download | ffmpeg-b1a213ab5d84085ae2b98452daa8feda01881cbf.tar.gz |
fftools/ffmpeg_filter: reject filtergraphs with zero outputs
Nothing useful can be done with them currently.
Diffstat (limited to 'fftools/ffmpeg_filter.c')
-rw-r--r-- | fftools/ffmpeg_filter.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c index 4f7565e44e..54c7ed1f5c 100644 --- a/fftools/ffmpeg_filter.c +++ b/fftools/ffmpeg_filter.c @@ -845,6 +845,12 @@ FilterGraph *fg_create(char *graph_desc) ofilter->name = describe_filter_link(fg, cur, 0); } + if (!fg->nb_outputs) { + av_log(fg, AV_LOG_FATAL, "A filtergraph has zero outputs, this is not supported\n"); + ret = AVERROR(ENOSYS); + goto fail; + } + fail: avfilter_inout_free(&inputs); avfilter_inout_free(&outputs); |