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avfilter/buffersrc: never override channel count in av_buffersrc_add_frame_flags

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Overriding unknown layouts with the negotiated layout is OK, but the number of
channels should match with what was negotiated.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2024-03-31 20:28:13 +02:00
parent 359b6a7f8a
commit 4721b9f15f
1 changed files with 1 additions and 1 deletions
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2
libavfilter/buffersrc.c
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@ -215,7 +215,7 @@ int attribute_align_arg av_buffersrc_add_frame_flags(AVFilterContext *ctx, AVFra
break;
case AVMEDIA_TYPE_AUDIO:
/* For layouts unknown on input but known on link after negotiation. */
if (frame->ch_layout.order == AV_CHANNEL_ORDER_UNSPEC) {
if (frame->ch_layout.order == AV_CHANNEL_ORDER_UNSPEC && frame->ch_layout.nb_channels == s->ch_layout.nb_channels) {
ret = av_channel_layout_copy(&frame->ch_layout, &s->ch_layout);
if (ret < 0)
return ret;