wall: reject 0 planes formats

diff --git a/modules/video_filter/wall.c b/modules/video_filter/wall.c
index 8c965abb9f5de13e596767f03fa122d47828e02c..24e93849cc759ba1bcd003ddb963270e8998b722 100644 (file)
--- a/modules/video_filter/wall.c
+++ b/modules/video_filter/wall.c
@@ -123,6 +123,11 @@ static int Open( vlc_object_t *p_this )
     video_splitter_t *p_splitter = (video_splitter_t*)p_this;
     video_splitter_sys_t *p_sys;
 
     video_splitter_t *p_splitter = (video_splitter_t*)p_this;
     video_splitter_sys_t *p_sys;
 

+    const vlc_chroma_description_t *p_chroma =
+        vlc_fourcc_GetChromaDescription( p_splitter->fmt.i_chroma );
+    if( p_chroma == NULL || p_chroma->plane_count == 0 )
+        return VLC_EGENERIC;
+

     p_splitter->p_sys = p_sys = malloc( sizeof(*p_sys) );
     if( !p_sys )
         return VLC_ENOMEM;
     p_splitter->p_sys = p_sys = malloc( sizeof(*p_sys) );
     if( !p_sys )
         return VLC_ENOMEM;