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avfilter/f_select: declare non-scene expressions as handling changed frame parameters

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Found during review of the fix for the security report RqgTntCAW2qN.
This commit is contained in:
Michael Niedermayer
2026-10-06 00:14:12 +02:00
committed by michaelni
parent 6b65a77c2a
commit 05a2f2029d
1 changed files with 6 additions and 0 deletions
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6
libavfilter/f_select.c
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@@ -444,6 +444,11 @@ static int activate(AVFilterContext *ctx)
while ((ret = ff_inlink_consume_frame(inlink, &in))) {
if (ret < 0)
return ret;
if (select->do_scene_detect &&
(ret = ff_inlink_check_frame_params(inlink, in, 0)) < 0) {
av_frame_free(&in);
return ret;
}
select_frame(ctx, in);
if (select->select && !ff_outlink_get_status(ctx->outputs[select->select_out]))
return ff_filter_frame(ctx->outputs[select->select_out], in);
@@ -564,5 +569,6 @@ const FFFilter ff_vf_select = {
.priv_size = sizeof(SelectContext),
FILTER_INPUTS(avfilter_vf_select_inputs),
FILTER_QUERY_FUNC2(query_formats),
.flags_internal = FF_FILTER_FLAG_DYNAMIC_FRAME_PARAMS,
};
#endif /* CONFIG_SELECT_FILTER */