buffersink/uninit: use av_frame_free() not unref

Fixes memleak

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavfilter/buffersink.c b/libavfilter/buffersink.c
index bcb6525102a1e00c3b5383a29708cda2baf21d01..0f500d02277912be8d603b7669119642ab53ea3b 100644 (file)
--- a/libavfilter/buffersink.c
+++ b/libavfilter/buffersink.c
@@ -63,7 +63,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     if (sink->fifo) {
         while (av_fifo_size(sink->fifo) >= sizeof(AVFilterBufferRef *)) {
             av_fifo_generic_read(sink->fifo, &frame, sizeof(frame), NULL);
-            av_frame_unref(frame);
+            av_frame_free(&frame);
         }
         av_fifo_free(sink->fifo);
         sink->fifo = NULL;