At present, consume_update evaluates timeline state on all links for
a multi-input filter. This can lead to the filter being incorrectly
en/dis-abled when evaluation on a frame on a secondary link leads to
a different result than the frame on the current main link next in
line for processing.
---
libavfilter/avfilter.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index daa7c3672a..d7ea993508 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -1430,7 +1430,8 @@ static void consume_update(FilterLinkInternal *li, const
AVFrame *frame)
AVFilterLink *const link = &li->l;
update_link_current_pts(li, frame->pts);
ff_inlink_process_commands(link, frame);
- link->dst->is_disabled = !ff_inlink_evaluate_timeline_at_frame(link,
frame);
+ if (link == link->dst->inputs[0])
+ link->dst->is_disabled = !ff_inlink_evaluate_timeline_at_frame(link,
frame);
link->frame_count_out++;
link->sample_count_out += frame->nb_samples;
}
--
2.44.0
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