mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-18 17:35:53 +01:00
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
|
|
/* .WVS - found in Metal Arms - Glitch in the System (Xbox) */
|
|
VGMSTREAM* init_vgmstream_wvs_xbox(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channels, sample_rate;
|
|
size_t data_size;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(sf,"wvs"))
|
|
goto fail;
|
|
|
|
data_size = read_u32le(0x00,sf);
|
|
/* 0x04: float seconds (slightly bigger than max num_samples) */
|
|
sample_rate = read_f32le(0x08,sf);
|
|
if (read_u16le(0x0c,sf) != 0x0069) /* codec */
|
|
goto fail;
|
|
channels = read_s16le(0x0e,sf);
|
|
sample_rate = read_s32le(0x10,sf);
|
|
/* 0x10: sample rate (int) */
|
|
/* 0x14: bitrate */
|
|
/* 0x18: block size / bps */
|
|
/* 0x1c: size? / block samples */
|
|
|
|
loop_flag = (channels > 1 && sample_rate >= 44100); /* bgm full loops */
|
|
start_offset = 0x20;
|
|
|
|
if (data_size + start_offset != get_streamfile_size(sf))
|
|
goto fail;
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channels, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_WVS;
|
|
vgmstream->sample_rate = sample_rate;
|
|
vgmstream->num_samples = xbox_ima_bytes_to_samples(data_size, channels);
|
|
vgmstream->loop_start_sample = 0;
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
|
|
|
vgmstream->coding_type = coding_XBOX_IMA;
|
|
vgmstream->layout_type = layout_none;
|
|
|
|
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* .WVS - found in Metal Arms - Glitch in the System (GC) */
|
|
VGMSTREAM* init_vgmstream_wvs_ngc(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channels, sample_rate, interleave;
|
|
size_t data_size;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(sf,"wvs"))
|
|
goto fail;
|
|
|
|
channels = read_s32be(0x00,sf);
|
|
/* 0x04: float seconds (slightly bigger than max num_samples) */
|
|
sample_rate = read_f32be(0x08,sf);
|
|
interleave = read_u32be(0x0C,sf); /* even in mono */
|
|
/* 0x10: number of interleave blocks */
|
|
data_size = read_s32be(0x14,sf) * channels;
|
|
|
|
loop_flag = (channels > 1 && sample_rate >= 44100); /* bgm full loops */
|
|
start_offset = 0x60;
|
|
|
|
if (data_size + start_offset != get_streamfile_size(sf))
|
|
goto fail;
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channels, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_WVS;
|
|
vgmstream->sample_rate = sample_rate;
|
|
vgmstream->num_samples = dsp_bytes_to_samples(data_size, channels);
|
|
vgmstream->loop_start_sample = 0;
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
|
|
|
vgmstream->coding_type = coding_NGC_DSP;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = interleave;
|
|
if (interleave)
|
|
vgmstream->interleave_last_block_size = (data_size % (interleave * channels)) / channels;
|
|
|
|
dsp_read_coefs_be(vgmstream, sf, 0x18, 0x20);
|
|
//dsp_read_hist_be(vgmstream, sf, 0x18 + 0x20*channels, 0x04); /* not seen */
|
|
|
|
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|