vgmstream/src/layout/emff_blocked.c
2008-12-15 04:37:43 +00:00

35 lines
1.2 KiB
C

#include "layout.h"
#include "../vgmstream.h"
/* set up for the block at the given offset */
void emff_ps2_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
int i;
vgmstream->current_block_offset = block_offset;
vgmstream->current_block_size = read_32bitLE(
vgmstream->current_block_offset+0x10,
vgmstream->ch[0].streamfile);
vgmstream->next_block_offset = vgmstream->current_block_offset + vgmstream->current_block_size+0x20;
vgmstream->current_block_size/=vgmstream->channels;
for (i=0;i<vgmstream->channels;i++) {
vgmstream->ch[i].offset = vgmstream->current_block_offset+0x20+(vgmstream->current_block_size*i);
}
}
void emff_ngc_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
int i;
vgmstream->current_block_offset = block_offset;
vgmstream->current_block_size = read_32bitBE(
vgmstream->current_block_offset+0x20,
vgmstream->ch[0].streamfile);
vgmstream->next_block_offset = vgmstream->current_block_offset + vgmstream->current_block_size+0x40;
vgmstream->current_block_size/=vgmstream->channels;
for (i=0;i<vgmstream->channels;i++) {
vgmstream->ch[i].offset = vgmstream->current_block_offset+0x40+(vgmstream->current_block_size*i);
}
}