[FFmpeg-devel] [PATCH v2] af_channelmap: fix number of channels

[Marton Balint]

Fixes segfaults with the following command:

ffmpeg -f lavfi -i aevalsrc=0:c=stereo:n=1920 -af 'channelmap=0' test.ac3

Signed-off-by: Marton Balint <cus at passwd.hu>
---
 libavfilter/af_channelmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/af_channelmap.c b/libavfilter/af_channelmap.c
index cc66f04..f8289cc 100644
--- a/libavfilter/af_channelmap.c
+++ b/libavfilter/af_channelmap.c
@@ -348,6 +348,7 @@ static int channelmap_filter_frame(AVFilterLink *inlink, AVFrame *buf)
            FFMIN(FF_ARRAY_ELEMS(buf->data), nch_out) * sizeof(buf->data[0]));
 
     buf->channel_layout = outlink->channel_layout;
+    av_frame_set_channels(buf, outlink->channels);
 
     return ff_filter_frame(outlink, buf);
 }
-- 
2.1.4