---
libavfilter/buffersrc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index a84eb58..942d787 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -103,6 +103,9 @@ int av_buffersrc_write_frame(AVFilterContext
*buffer_filter, AVFrame *frame)
frame->format);
buf = ff_get_audio_buffer(buffer_filter->outputs[0], AV_PERM_WRITE,
frame->nb_samples);
+ if (!buf)
+ return AVERROR(ENOMEM);
+
av_samples_copy(buf->extended_data, frame->extended_data,
0, 0, frame->nb_samples,
av_get_channel_layout_nb_channels(frame->channel_layout),
--
1.7.10
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