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rgb1/rgb4 support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7774 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-10-17 00:27:27 +00:00
parent 500362226a
commit f259a0a897
1 changed files with 15 additions and 1 deletions
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16
libmpcodecs/vd_raw.c
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@ -31,6 +31,8 @@ static int init(sh_video_t *sh){
// set format fourcc for raw RGB:
if(sh->bih && sh->bih->biCompression==0){ // set based on bit depth
switch(sh->bih->biBitCount){
case 1: sh->bih->biCompression=IMGFMT_BGR1; break;
case 4: sh->bih->biCompression=IMGFMT_BGR4; break;
case 8: sh->bih->biCompression=IMGFMT_BGR8; break;
case 15: sh->bih->biCompression=IMGFMT_BGR15; break;
// workaround bitcount==16 => bgr15 case for avi files:
@ -53,8 +55,10 @@ static void uninit(sh_video_t *sh){
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
mp_image_t* mpi;
if(len<=0) return NULL; // skipped frame
int frame_size;
if(len<=0) return NULL; // skipped frame
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0,
sh->disp_w, sh->disp_h);
if(!mpi) return NULL;
@ -63,6 +67,7 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
// TODO !!!
mpi->planes[0]=data;
mpi->stride[0]=mpi->width;
frame_size=mpi->stride[0]*mpi->h;
if(mpi->flags&MP_IMGFLAG_YUV) {
// Support for some common Planar YUV formats
/* YV12,I420,IYUV */
@ -74,6 +79,7 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
mpi->stride[cb]=mpi->chroma_width;
mpi->planes[cr]=mpi->planes[cb]+mpi->chroma_width*mpi->chroma_height;
mpi->stride[cr]=mpi->chroma_width;
frame_size+=2*mpi->chroma_width*mpi->chroma_height;
}
} else {
mpi->planes[0]=data;
@ -84,6 +90,14 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
// export palette:
mpi->planes[1]=sh->bih ? (((unsigned char*)&sh->bih)+40) : NULL;
}
frame_size=mpi->stride[0]*mpi->h;
if(mpi->bpp<8) frame_size=frame_size*mpi->bpp/8;
}
if(len<frame_size){
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Frame too small! (%d<%d) Wrong format?\n",
len,frame_size);
return NULL;
}
return mpi;