mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-18 17:35:53 +01:00
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* WAF - KID's earlier PC games [ever17 (PC)] (for RLE-compressed WAFs see https://github.com/dsp2003/e17p) */
|
|
VGMSTREAM* init_vgmstream_waf(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channels;
|
|
|
|
|
|
/* checks */
|
|
if (!is_id32be(0x00,sf, "WAF\0"))
|
|
return NULL;
|
|
if (!check_extensions(sf, "waf"))
|
|
return NULL;
|
|
|
|
if (read_u32le(0x34,sf) + 0x38 != get_streamfile_size(sf))
|
|
goto fail;
|
|
|
|
channels = read_u16le(0x06,sf);
|
|
loop_flag = 0;
|
|
start_offset = 0x38;
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channels, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_WAF;
|
|
vgmstream->sample_rate = read_s32le(0x08, sf);
|
|
|
|
vgmstream->coding_type = coding_MSADPCM;
|
|
vgmstream->layout_type = layout_none;
|
|
vgmstream->frame_size = read_u16le(0x10, sf);
|
|
/* 0x04: null?, 0x0c: avg br, 0x12: bps, 0x14: s_p_f, 0x16~34: coefs (a modified RIFF fmt) */
|
|
if (!msadpcm_check_coefs(sf, 0x16))
|
|
goto fail;
|
|
|
|
vgmstream->num_samples = msadpcm_bytes_to_samples(read_u32le(0x34,sf), vgmstream->frame_size, channels);
|
|
|
|
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|