video/filter: fix option parser memory leak

This happens only if an option actually allocates memory (like strings).

Change filter API such that vf->priv is free'd by vf.c instead by the
filters. vf.c will free the option values as well.

1 files changed, 0 insertions, 6 deletions

diff --git a/video/filter/vf_sub.c b/video/filter/vf_sub.c
index ae1390b6e9..e918574c30 100644
--- a/video/filter/vf_sub.c
+++ b/video/filter/vf_sub.c
@@ -141,16 +141,10 @@ static int control(vf_instance_t *vf, int request, void *data)
     return vf_next_control(vf, request, data);
 }
 
-static void uninit(struct vf_instance *vf)
-{
-    free(vf->priv);
-}
-
 static int vf_open(vf_instance_t *vf, char *args)
 {
     vf->config = config;
     vf->query_format = query_format;
-    vf->uninit    = uninit;
     vf->control   = control;
     vf->filter    = filter;
     return 1;