vgmstream/src/meta/wb.c
2023-07-08 13:43:29 +02:00

46 lines
1.3 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* .WB - from Shooting Love. ~TRIZEAL~ */
VGMSTREAM* init_vgmstream_wb(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
uint32_t start_offset;
int channels, loop_flag;
/* check header */
if (read_u32le(0x00,sf) != 0x00000000)
return NULL;
if (read_u32le(0x0c,sf) + 0x10 != get_streamfile_size(sf))
return NULL;
/* .wb: actual extension */
if (!check_extensions(sf,"wb"))
goto fail;
channels = 2;
start_offset = 0x10;
loop_flag = read_32bitLE(0x04,sf) > 0; /* loop end may be defined */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channels,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_WB;
vgmstream->sample_rate = 48000;
vgmstream->num_samples = pcm16_bytes_to_samples(read_u32le(0x0C,sf), channels);
vgmstream->loop_start_sample = read_s32le(0x04,sf);
vgmstream->loop_end_sample = read_s32le(0x08,sf);
vgmstream->coding_type = coding_PCM16LE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 2;
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}