avfilter: avoid direct access to AVFrame.channels

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
index 9a3c10c1dc..ae2e0aa481 100644
--- a/libavfilter/af_pan.c
+++ b/libavfilter/af_pan.c
@@ -364,7 +364,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
     swr_convert(pan->swr, outsamples->data, n, (void *)insamples->data, n);
     av_frame_copy_props(outsamples, insamples);
     outsamples->channel_layout = outlink->channel_layout;
-    outsamples->channels       = outlink->channels;
+    av_frame_set_channels(outsamples, outlink->channels);
 
     ret = ff_filter_frame(outlink, outsamples);
     av_frame_free(&insamples);