1 files changed, 3 insertions, 1 deletions
diff --git a/libmpcodecs/ve_vfw.c b/libmpcodecs/ve_vfw.c
index 0fb85c2daf..bfbdbae5d3 100644
--- a/libmpcodecs/ve_vfw.c
+++ b/libmpcodecs/ve_vfw.c
@@ -18,6 +18,8 @@
 #include "mp_image.h"
 #include "vf.h"
 
+extern void mencoder_write_chunk(aviwrite_stream_t *s,int len,unsigned int flags);
+
 //===========================================================================//
 
 #include "dll_init.h"
@@ -83,7 +85,7 @@ static int vf_open(vf_instance_t *vf, char* args){
     vf->put_image=put_image;
     vf->priv=malloc(sizeof(struct vf_priv_s));
     memset(vf->priv,0,sizeof(struct vf_priv_s));
-    vf->priv->mux=args;
+    vf->priv->mux=(aviwrite_stream_t*)args;
 
     vfw_bih=malloc(sizeof(BITMAPINFOHEADER));
     vfw_bih->biSize=sizeof(BITMAPINFOHEADER);