lavfi: always check return value of ff_get_{audio,video}_buffer()

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/libavfilter/af_asetnsamples.c b/libavfilter/af_asetnsamples.c
index 9a10baae09..6ecf5cb18e 100644
--- a/libavfilter/af_asetnsamples.c
+++ b/libavfilter/af_asetnsamples.c
@@ -108,7 +108,8 @@ static int push_samples(AVFilterLink *outlink)
         return 0;
 
     outsamples = ff_get_audio_buffer(outlink, nb_out_samples);
-    av_assert0(outsamples);
+    if (!outsamples)
+        return AVERROR(ENOMEM);
 
     av_audio_fifo_read(asns->fifo,
                        (void **)outsamples->extended_data, nb_out_samples);