diff options
| -rw-r--r-- | libavfilter/af_amix.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/af_amix.c b/libavfilter/af_amix.c index e64e289108..3e5e7ee118 100644 --- a/libavfilter/af_amix.c +++ b/libavfilter/af_amix.c @@ -312,6 +312,9 @@ static int output_frame(AVFilterLink *outlink) calculate_scales(s, nb_samples); + if (nb_samples == 0) + return 0; + out_buf = ff_get_audio_buffer(outlink, nb_samples); if (!out_buf) return AVERROR(ENOMEM); |