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nv21 support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10745 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2003-08-31 20:58:25 +00:00
parent afe36fd0a5
commit 321285209f
1 changed files with 6 additions and 6 deletions
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12
libmpcodecs/vd_hmblck.c
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@ -9,9 +9,9 @@
#define TEMP_BUF_SIZE (720*576)
static vd_info_t info = {
"Hauppauge Macroblock/NV12 Decoder",
"Hauppauge Macroblock/NV12/NV21 Decoder",
"hmblck",
"Alex <d18c7db@hotmail.com>, A'rpi",
"Alex <d18c7db@hotmail.com>, A'rpi, Alex Beregszaszi",
"Alex <d18c7db@hotmail.com>",
"uncompressed"
};
@ -59,13 +59,13 @@ static void de_macro_uv(unsigned char* dstu,unsigned char* dstv,unsigned char* s
/*************************************************************************
* convert a nv12 buffer to yv12
*/
static int nv12_to_yv12(void *data, int len, mp_image_t* mpi) {
static int nv12_to_yv12(void *data, int len, mp_image_t* mpi, int swapped) {
unsigned int Y_size = mpi->width * mpi->height;
unsigned int UV_size = mpi->chroma_width * mpi->chroma_height;
unsigned int idx;
unsigned char *dst_Y = mpi->planes[0];
unsigned char *dst_U = mpi->planes[1];
unsigned char *dst_V = mpi->planes[2];
unsigned char *dst_U = swapped?mpi->planes[2]:mpi->planes[1];
unsigned char *dst_V = swapped?mpi->planes[1]:mpi->planes[2];
unsigned char *src = data + Y_size;
// sanity check raw stream
@ -130,7 +130,7 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
de_macro_y(mpi->planes[0],data,mpi->stride[0],mpi->w,mpi->h);
de_macro_uv(mpi->planes[1],mpi->planes[2],data+mpi->w*mpi->h,mpi->stride[1],mpi->w/2,mpi->h/2);
} else {
if(!nv12_to_yv12(data, len, mpi)) return NULL;
if(!nv12_to_yv12(data, len, mpi,(sh->format == IMGFMT_NV12))) return NULL;
}
return mpi;