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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <math.h>
#include "config.h"
#include "img_format.h"
#include <libdv/dv.h>
#include <libdv/dv_types.h>
#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"
#include "vd_internal.h"
static const vd_info_t info =
{
"Raw DV Video Decoder",
"libdv",
"Alexander Neundorf <neundorf@kde.org>",
"http://libdv.sf.net",
"native codec"
};
LIBVD_EXTERN(libdv)
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
return CONTROL_UNKNOWN;
}
static dv_decoder_t* global_rawdv_decoder=NULL;
dv_decoder_t* init_global_rawdv_decoder(void)
{
if(!global_rawdv_decoder){
global_rawdv_decoder=dv_decoder_new(TRUE,TRUE,FALSE);
global_rawdv_decoder->quality=DV_QUALITY_BEST;
global_rawdv_decoder->prev_frame_decoded = 0;
}
return global_rawdv_decoder;
}
// init driver
static int init(sh_video_t *sh)
{
sh->context = (void *)init_global_rawdv_decoder();
return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2);
}
// uninit driver
static void uninit(sh_video_t *sh){
}
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags)
{
mp_image_t* mpi;
dv_decoder_t *decoder=sh->context;
if(len<=0 || (flags&3)){
// fprintf(stderr,"decode() (rawdv) SKIPPED\n");
return NULL; // skipped frame
}
dv_parse_header(decoder, data);
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, sh->disp_w, sh->disp_h);
if(!mpi){ // temporary!
fprintf(stderr,"couldn't allocate image for stderr codec\n");
return NULL;
}
dv_decode_full_frame(decoder, data, e_dv_color_yuv, mpi->planes, mpi->stride);
return mpi;
}
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