1 files changed, 10 insertions, 0 deletions
diff --git a/libvo/vo_png.c b/libvo/vo_png.c
index 321475885e..117b3705b1 100644
--- a/libvo/vo_png.c
+++ b/libvo/vo_png.c
@@ -309,3 +309,13 @@ uninit(void)
 static void check_events(void)
 {
 }
+
+static uint32_t preinit(const char *arg)
+{
+  return 0;
+}
+
+static void query_vaa(vo_vaa_t *vaa)
+{
+  memset(vaa,0,sizeof(vo_vaa_t));
+}