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avfilter/vf_zscale: properly check return value of slice threads 

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2022-03-14 21:02:18 +01:00
parent c0351ee5c5
commit d5722d578e
1 changed files with 7 additions and 4 deletions
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11
libavfilter/vf_zscale.c
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@ -117,6 +117,7 @@ typedef struct ZScaleContext {
void *tmp[MAX_THREADS]; //separate for each thread;
int nb_threads;
int jobs_ret[MAX_THREADS];
zimg_image_format src_format, dst_format;
zimg_image_format alpha_src_format, alpha_dst_format;
@ -858,12 +859,14 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
td.desc = desc;
td.odesc = odesc;
ret = ff_filter_execute(ctx, filter_slice, &td, NULL, s->nb_threads);
if (ret < 0 || !s->graph[0]) {
memset(s->jobs_ret, 0, s->nb_threads * sizeof(*s->jobs_ret));
ret = ff_filter_execute(ctx, filter_slice, &td, s->jobs_ret, s->nb_threads);
for (int i = 0; ret >= 0 && i < s->nb_threads; i++)
if (s->jobs_ret[i] < 0)
ret = s->jobs_ret[i];
if (ret < 0) {
av_frame_free(&in);
av_frame_free(&out);
if (ret >= 0)
ret = AVERROR(EINVAL);
return ret;
}