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avfilter/avfilter: fix OOM case for default activate

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Fixes OOM when caller keeps adding frames into filtergraph
that reached EOF by other means, for example EOF is signalled
by other filter in filtergraph or by buffersink.

(cherry picked from commit d9e41ead82)
This commit is contained in:
Paul B Mahol 2023-12-01 16:59:07 +01:00 committed by James Almer
parent 670c823406
commit 1606aab99b
1 changed files with 10 additions and 0 deletions
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10
libavfilter/avfilter.c
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@ -1167,6 +1167,16 @@ static int ff_filter_activate_default(AVFilterContext *filter)
{
unsigned i;
for (i = 0; i < filter->nb_outputs; i++) {
int ret = filter->outputs[i]->status_in;
if (ret) {
for (int j = 0; j < filter->nb_inputs; j++)
ff_inlink_set_status(filter->inputs[j], ret);
return 0;
}
}
for (i = 0; i < filter->nb_inputs; i++) {
if (samples_ready(filter->inputs[i], filter->inputs[i]->min_samples)) {
return ff_filter_frame_to_filter(filter->inputs[i]);