diff options
| -rw-r--r-- | libavfilter/buffersrc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c index 1ace368413..c7284c1ff8 100644 --- a/libavfilter/buffersrc.c +++ b/libavfilter/buffersrc.c @@ -137,7 +137,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque) static av_cold void uninit(AVFilterContext *ctx) { BufferSourceContext *s = ctx->priv; - while (av_fifo_size(s->fifo)) { + while (s->fifo && av_fifo_size(s->fifo)) { AVFilterBufferRef *buf; av_fifo_generic_read(s->fifo, &buf, sizeof(buf), NULL); avfilter_unref_buffer(buf); |