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-rw-r--r--libavfilter/af_amerge.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/af_amerge.c b/libavfilter/af_amerge.c
index e55268259e..f67a7a8c1b 100644
--- a/libavfilter/af_amerge.c
+++ b/libavfilter/af_amerge.c
@@ -260,6 +260,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *insamples)
outbuf->audio->nb_samples = nb_samples;
outbuf->audio->channel_layout = outlink->channel_layout;
+ outbuf->audio->channels = outlink->channels;
while (nb_samples) {
ns = nb_samples;