static int floor0_inverse2(vorbis_block *vb,vorbis_look_floor *i,void *memo,ogg_double_t *out)
{
vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
vorbis_info_floor0 *info=look->vif0;
if(memo){
ogg_double_t *lsp=(ogg_double_t *)memo;
ogg_double_t amp=lsp[look->m];
vorbis_lsp_to_curve(out,lsp,look->linearcosmap[vb->W],
look->n[vb->W],look->m,
amp,(ogg_double_t)info->ampdB);
return(1);
}
memset(out,0,sizeof(*out)*look->n[vb->W]);
return(0);
}
static int floor0_inverse2(vorbis_block *vb,vorbis_look_floor *i,
void *memo,float *out){
vorbis_look_floor0 *look=(vorbis_look_floor0 *)i;
vorbis_info_floor0 *info=look->vi;
floor0_map_lazy_init(vb,info,look);
if(memo){
float *lsp=(float *)memo;
float amp=lsp[look->m];
/* take the coefficients back to a spectral envelope curve */
vorbis_lsp_to_curve(out,
look->linearmap[vb->W],
look->n[vb->W],
look->ln,
lsp,look->m,amp,(float)info->ampdB);
return(1);
}
memset(out,0,sizeof(*out)*look->n[vb->W]);
return(0);
}