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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "config.h"
#ifdef USE_DIRECTSHOW
#include "mp_msg.h"
#include "help_mp.h"
#include "vd_internal.h"
#include "loader/dshow/DS_VideoDecoder.h"
static vd_info_t info = {
"DirectShow video codecs",
"dshow",
"A'rpi",
"based on http://avifile.sf.net",
"win32 codecs"
};
LIBVD_EXTERN(dshow)
// 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 4;
case VDCTRL_SET_PP_LEVEL:
if(!sh->context) return CONTROL_ERROR;
DS_VideoDecoder_SetValue(sh->context,"Quality",*((int*)arg));
return CONTROL_OK;
case VDCTRL_SET_EQUALIZER: {
va_list ap;
int value;
va_start(ap, arg);
value=va_arg(ap, int);
va_end(ap);
if(DS_VideoDecoder_SetValue(sh->context,arg,50+value/2)==0)
return CONTROL_OK;
return CONTROL_FALSE;
}
}
return CONTROL_UNKNOWN;
}
// init driver
static int init(sh_video_t *sh){
unsigned int out_fmt;
/* Hack for VSSH codec: new dll can't decode old files
* In my samples old files have no extradata, so use that info
* to decide what dll should be used (here and in vd_vfw).
*/
if (!strcmp(sh->codec->dll, "vsshdsd.dll") && (sh->bih->biSize == 40))
return 0;
if(!(sh->context=DS_VideoDecoder_Open(sh->codec->dll,&sh->codec->guid, sh->bih, 0, 0))){
mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingDLLcodec,sh->codec->dll);
mp_msg(MSGT_DECVIDEO,MSGL_HINT,MSGTR_DownloadCodecPackage);
return 0;
}
if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2)) return 0;
out_fmt=sh->codec->outfmt[sh->outfmtidx];
switch(out_fmt){
case IMGFMT_YUY2:
case IMGFMT_UYVY:
DS_VideoDecoder_SetDestFmt(sh->context,16,out_fmt);break; // packed YUV
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
DS_VideoDecoder_SetDestFmt(sh->context,12,out_fmt);break; // planar YUV
case IMGFMT_YVU9:
DS_VideoDecoder_SetDestFmt(sh->context,9,out_fmt);break;
default:
DS_VideoDecoder_SetDestFmt(sh->context,out_fmt&255,0); // RGB/BGR
}
DS_SetAttr_DivX("Quality",divx_quality);
DS_VideoDecoder_StartInternal(sh->context);
mp_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_DShowInitOK);
return 1;
}
// uninit driver
static void uninit(sh_video_t *sh){
DS_VideoDecoder_Destroy(sh->context);
}
//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;
if(len<=0) return NULL; // skipped frame
if(flags&3){
// framedrop:
DS_VideoDecoder_DecodeInternal(sh->context, data, len, 0, 0);
return NULL;
}
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, 0 /*MP_IMGFLAG_ACCEPT_STRIDE*/,
sh->disp_w, sh->disp_h);
if(!mpi){ // temporary!
printf("couldn't allocate image for cinepak codec\n");
return NULL;
}
DS_VideoDecoder_DecodeInternal(sh->context, data, len, 0, mpi->planes[0]);
return mpi;
}
#endif
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