@@ -114,6 +114,14 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)

     return 0;

 }

+static av_cold void uninit(AVFilterContext *ctx)

+{

+    BufferSourceContext *s = ctx->priv;

+    if (s->buf)

+        avfilter_unref_buffer(s->buf);

+    s->buf = NULL;

+}

+

 static int query_formats(AVFilterContext *ctx)

 {

     BufferSourceContext *c = ctx->priv;

@@ -167,6 +175,7 @@ AVFilter avfilter_vsrc_buffer = {

     .query_formats = query_formats,

     .init      = init,

+    .uninit    = uninit,

     .inputs    = (AVFilterPad[]) {{ .name = NULL }},

     .outputs   = (AVFilterPad[]) {{ .name            = "default",