mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-23 20:04:50 +01:00
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* NWAV - from Chunsoft games [Fuurai no Shiren Gaiden: Onnakenshi Asuka Kenzan! (PC)] */
|
|
VGMSTREAM* init_vgmstream_nwav(STREAMFILE* sf) {
|
|
off_t start_offset;
|
|
|
|
|
|
/* checks */
|
|
if (!is_id32be(0x00,sf, "NWAV"))
|
|
goto fail;
|
|
/* .nwav: header id (no filenames in bigfiles) */
|
|
if (!check_extensions(sf,"nwav,") )
|
|
goto fail;
|
|
|
|
|
|
{
|
|
ogg_vorbis_meta_info_t ovmi = {0};
|
|
int channels;
|
|
|
|
/* 0x04: version? */
|
|
/* 0x08: crc? */
|
|
ovmi.stream_size = read_u32le(0x0c, sf);
|
|
ovmi.loop_end = read_u32le(0x10, sf); /* num_samples, actually */
|
|
/* 0x14: sample rate */
|
|
/* 0x18: bps? (16) */
|
|
channels = read_u8(0x19, sf);
|
|
start_offset = read_u16le(0x1a, sf);
|
|
|
|
ovmi.loop_flag = read_u16le(0x1c, sf) != 0; /* loop count? -1 = loops */
|
|
/* 0x1e: always 2? */
|
|
/* 0x20: always 1? */
|
|
ovmi.loop_start = read_u32le(0x24, sf);
|
|
/* 0x28: always 1? */
|
|
/* 0x2a: always 1? */
|
|
/* 0x2c: always null? */
|
|
|
|
ovmi.meta_type = meta_NWAV;
|
|
|
|
/* values are in resulting bytes */
|
|
ovmi.loop_start = ovmi.loop_start / sizeof(int16_t) / channels;
|
|
ovmi.loop_end = ovmi.loop_end / sizeof(int16_t) / channels;
|
|
|
|
return init_vgmstream_ogg_vorbis_config(sf, start_offset, &ovmi);
|
|
}
|
|
|
|
fail:
|
|
return NULL;
|
|
}
|