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#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#ifdef USE_WIN32DLL
#include "mp_msg.h"
#include "help_mp.h"
#include "vd_internal.h"
#include "dll_init.h"
static vd_info_t info = {
"Win32/VfWex video codecs",
"vfwex",
"A'rpi",
"based on http://avifile.sf.net",
"win32 codecs"
};
LIBVD_EXTERN(vfwex)
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
switch(cmd){
case VDCTRL_QUERY_MAX_PP_LEVEL:
return 9;
case VDCTRL_SET_PP_LEVEL:
vfw_set_postproc(sh,10*(*((int*)arg)));
return CONTROL_OK;
}
return CONTROL_UNKNOWN;
}
// init driver
static int init(sh_video_t *sh){
if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2)) return 0;
if(!init_vfw_video_codec(sh,1)) return 0;
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32 video codec init OK!\n");
return 1;
}
// uninit driver
static void uninit(sh_video_t *sh){
vfw_close_video_codec(sh, 1);
}
//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 ret;
if(len<=0) return NULL; // skipped frame
mpi=mpcodecs_get_image(sh,
(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_STATIC) ?
MP_IMGTYPE_STATIC : MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_WIDTH,
sh->disp_w, sh->disp_h);
if(!mpi){ // temporary!
printf("couldn't allocate image for cinepak codec\n");
return NULL;
}
// set buffer:
sh->our_out_buffer=mpi->planes[0];
// set stride: (trick discovered by Andreas Ackermann - thanx!)
sh->bih->biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
sh->o_bih.biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
if((ret=vfw_decode_video(sh,data,len,flags&3,1))){
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error decompressing frame, err=%d\n",ret);
return NULL;
}
if(mpi->imgfmt==IMGFMT_RGB8 || mpi->imgfmt==IMGFMT_BGR8){
// export palette:
// FIXME: sh->o_bih is cutted down to 40 bytes!!!
// if(sh->o_bih->biSize>40)
// mpi->planes[1]=((unsigned char*)&sh->o_bih)+40;
// else
mpi->planes[1]=NULL;
}
return mpi;
}
#endif
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