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#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "mp_msg.h"
#include "vd_internal.h"
static vd_info_t info = {
"RAW Uncompressed Video",
"raw",
"A'rpi",
"A'rpi & Alex",
"uncompressed"
};
LIBVD_EXTERN(raw)
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
switch(cmd){
case VDCTRL_QUERY_FORMAT:
if( (*((int*)arg)) == (sh->bih ? sh->bih->biCompression : sh->format) ) return CONTROL_TRUE;
return CONTROL_FALSE;
}
return CONTROL_UNKNOWN;
}
// init driver
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:
case 16: sh->bih->biCompression=(sh->format)?IMGFMT_BGR16:IMGFMT_BGR15; break;
case 24: sh->bih->biCompression=IMGFMT_BGR24; break;
case 32: sh->bih->biCompression=IMGFMT_BGR32; break;
default:
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"RAW: depth %d not supported\n",sh->bih->biBitCount);
}
}
return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,sh->bih ? sh->bih->biCompression : sh->format);
}
// uninit driver
static void uninit(sh_video_t *sh){
}
//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
mp_image_t* mpi;
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;
if(mpi->flags&MP_IMGFLAG_PLANAR){
// TODO !!!
mpi->planes[0]=data;
mpi->stride[0]=mpi->width;
frame_size=mpi->stride[0]*mpi->h;
if((mpi->imgfmt == IMGFMT_NV12) || (mpi->imgfmt == IMGFMT_NV21))
{
mpi->planes[1]=mpi->planes[0]+mpi->width*mpi->height;
mpi->stride[1]=mpi->chroma_width;
frame_size+=mpi->chroma_width*mpi->chroma_height;
} else if(mpi->flags&MP_IMGFLAG_YUV) {
int cb=2, cr=1;
if(mpi->flags&MP_IMGFLAG_SWAPPED) {
cb=1; cr=2;
}
// Support for some common Planar YUV formats
/* YV12,I420,IYUV */
mpi->planes[cb]=mpi->planes[0]+mpi->width*mpi->height;
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;
mpi->stride[0]=mpi->width*(mpi->bpp/8);
// .AVI files has uncompressed lines 4-byte aligned:
if(sh->format==0 || sh->format==3) mpi->stride[0]=(mpi->stride[0]+3)&(~3);
if(mpi->imgfmt==IMGFMT_RGB8 || mpi->imgfmt==IMGFMT_BGR8){
// export palette:
mpi->planes[1]=sh->bih ? (unsigned char*)(sh->bih+1) : NULL;
#if 0
printf("Exporting palette: %p !!\n",mpi->planes[1]);
{ unsigned char* p=mpi->planes[1];
int i;
for(i=0;i<64;i++) printf("%3d: %02X %02X %02X (%02X)\n",i,p[4*i],p[4*i+1],p[4*i+2],p[4*i+3]);
}
#endif
}
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;
}
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