On Sun, 3 Sep 2017, pkoshe...@gmail.com wrote:
From: Pavel Koshevoy <pkoshe...@gmail.com>
Steps to reproduce:
1. revert 4240e5b047379b29c33dd3f4438bc4e610527b83
2. ./ffmpeg -f lavfi -i sine=d=1 -af aselect=e=0,atempo=0.5 -y atempo.wav
---
libavfilter/af_atempo.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavfilter/af_atempo.c b/libavfilter/af_atempo.c
index 9eee8a63a8..41c8c0382a 100644
--- a/libavfilter/af_atempo.c
+++ b/libavfilter/af_atempo.c
@@ -914,6 +914,11 @@ static int yae_flush(ATempoContext *atempo,
atempo->state = YAE_FLUSH_OUTPUT;
+ if (!atempo->nfrag) {
+ // there is nothing to flush:
+ return 0;
+ }
+
if (atempo->position[0] == frag->position[0] + frag->nsamples &&
atempo->position[1] == frag->position[1] + frag->nsamples) {
// the current fragment is already flushed:
Thanks, this does the trick. Will apply in 1-2 days.
Regards,
Marton
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