[FFmpeg-devel] [PATCH 4/4] lavfi/pan: copy ref props after filtering samples.

[Clément Bœsch]

At least PTS needs to be copied to avoid breaking options such as -t in
ffmpeg.
---
 libavfilter/af_pan.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
index 1b12de7..354e771 100644
--- a/libavfilter/af_pan.c
+++ b/libavfilter/af_pan.c
@@ -360,6 +360,10 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
 
     pan->filter_samples(pan, outsamples, insamples, n);
 
+    avfilter_copy_buffer_ref_props(outsamples, insamples);
+    outsamples->audio->channel_layout = outlink->channel_layout;
+    outsamples->audio->planar         = outlink->planar;
+
     avfilter_filter_samples(outlink, outsamples);
     avfilter_unref_buffer(insamples);
 }
-- 
1.7.9