mirror of https://github.com/mpv-player/mpv
112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
#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->flags&MP_IMGFLAG_YUV) {
|
|
// Support for some common Planar YUV formats
|
|
/* YV12,I420,IYUV */
|
|
int cb=2, cr=1;
|
|
if(mpi->flags&MP_IMGFLAG_SWAPPED) {
|
|
cb=1; cr=2;
|
|
}
|
|
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;
|
|
}
|