mirror of https://git.ffmpeg.org/ffmpeg.git
vf_scale.c: propagate error code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -237,7 +237,7 @@ static int config_props(AVFilterLink *outlink)
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scale->isws[1] = sws_getContext(inlink ->w, inlink ->h/2, inlink ->format,
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outlink->w, outlink->h/2, outlink->format,
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scale->flags, NULL, NULL, NULL);
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if (!scale->sws)
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if (!scale->sws || !scale->isws[0] || !scale->isws[1])
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return AVERROR(EINVAL);
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if (inlink->sample_aspect_ratio.num){
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