grayscaled palette support

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6233 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 6 insertions, 0 deletions

diff --git a/libmpcodecs/vf_palette.c b/libmpcodecs/vf_palette.c
index f858757a3c..3aae0fb8a2 100644
--- a/libmpcodecs/vf_palette.c
+++ b/libmpcodecs/vf_palette.c
@@ -29,6 +29,8 @@ static unsigned int rgb_list[]={
     0
 };
 
+static unsigned int gray_pal[256];
+
 static unsigned int find_best(struct vf_instance_s* vf, unsigned int fmt){
     unsigned int best=0;
     int ret;
@@ -73,6 +75,8 @@ static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
 	MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 	mpi->w, mpi->h);
 
+    if(!mpi->planes[1]) mpi->planes[1]=gray_pal;
+
     if(mpi->w==mpi->stride[0] && dmpi->w*(dmpi->bpp>>3)==dmpi->stride[0]){
 	// no stride conversion needed
 	switch(dmpi->imgfmt&255){
@@ -119,10 +123,12 @@ static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 }
 
 static int open(vf_instance_t *vf, char* args){
+    unsigned int i;
     vf->config=config;
     vf->put_image=put_image;
     vf->query_format=query_format;
     vf->priv=malloc(sizeof(struct vf_priv_s));
+    for(i=0;i<256;i++) gray_pal[i]=0x01010101*i;
     return 1;
 }