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-rw-r--r--video/filter/vf.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/video/filter/vf.c b/video/filter/vf.c
index 9928b8a37e..ef34b8242d 100644
--- a/video/filter/vf.c
+++ b/video/filter/vf.c
@@ -119,6 +119,8 @@ static const vf_info_t *const filter_list[] = {
NULL
};
+static void vf_uninit_filter(vf_instance_t *vf);
+
static bool get_desc(struct m_obj_desc *dst, int index)
{
if (index >= MP_ARRAY_SIZE(filter_list) - 1)
@@ -282,6 +284,17 @@ static vf_instance_t *vf_open_filter(struct vf_chain *c, const char *name,
return vf_open(c, name, args);
}
+void vf_remove_filter(struct vf_chain *c, struct vf_instance *vf)
+{
+ assert(vf != c->first && vf != c->last); // these are sentinels
+ struct vf_instance *prev = c->first;
+ while (prev && prev->next != vf)
+ prev = prev->next;
+ assert(prev); // not inserted
+ prev->next = vf->next;
+ vf_uninit_filter(vf);
+}
+
struct vf_instance *vf_append_filter(struct vf_chain *c, const char *name,
char **args)
{