mirror of https://git.ffmpeg.org/ffmpeg.git
fftools/ffmpeg_filter: reject filtergraphs with zero outputs
Nothing useful can be done with them currently.
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a7aa05c599
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@ -845,6 +845,12 @@ FilterGraph *fg_create(char *graph_desc)
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ofilter->name = describe_filter_link(fg, cur, 0);
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ofilter->name = describe_filter_link(fg, cur, 0);
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}
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}
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if (!fg->nb_outputs) {
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av_log(fg, AV_LOG_FATAL, "A filtergraph has zero outputs, this is not supported\n");
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ret = AVERROR(ENOSYS);
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goto fail;
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}
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fail:
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fail:
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avfilter_inout_free(&inputs);
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avfilter_inout_free(&inputs);
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avfilter_inout_free(&outputs);
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avfilter_inout_free(&outputs);
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