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avfilter/vf_w3fdif: Fix segfault on allocation error 

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-10-06 15:20:30 +02:00
parent b6aeee2d8b
commit cd1aaec760
1 changed files with 4 additions and 3 deletions
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7
libavfilter/vf_w3fdif.c
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@ -275,7 +275,7 @@ static int config_input(AVFilterLink *inlink)
AVFilterContext *ctx = inlink->dst;
W3FDIFContext *s = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
int ret, i, depth;
int ret, i, depth, nb_threads;
if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
return ret;
@ -289,10 +289,11 @@ static int config_input(AVFilterLink *inlink)
}
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
s->nb_threads = ff_filter_get_nb_threads(ctx);
s->work_line = av_calloc(s->nb_threads, sizeof(*s->work_line));
nb_threads = ff_filter_get_nb_threads(ctx);
s->work_line = av_calloc(nb_threads, sizeof(*s->work_line));
if (!s->work_line)
return AVERROR(ENOMEM);
s->nb_threads = nb_threads;
for (i = 0; i < s->nb_threads; i++) {
s->work_line[i] = av_calloc(FFALIGN(s->linesize[0], 32), sizeof(*s->work_line[0]));