mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-24 04:14:50 +01:00
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* .AO - from AlphaOgg lib [Cloudphobia (PC), GEO ~The Sword Millennia~ Kasumi no Tani no Kaibutsu (PC)] */
|
|
VGMSTREAM* init_vgmstream_ao(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
off_t start_offset;
|
|
|
|
|
|
/* checks */
|
|
if (!is_id64be(0x00,sf, "ALPHAOGG"))
|
|
goto fail;
|
|
if (!check_extensions(sf,"ao"))
|
|
goto fail;
|
|
|
|
{
|
|
ogg_vorbis_meta_info_t ovmi = {0};
|
|
int sample_rate = read_u32le(0xF0, sf); /* Ogg header */
|
|
|
|
ovmi.meta_type = meta_AO;
|
|
|
|
ovmi.loop_start = read_f32le(0x08, sf) * sample_rate;
|
|
ovmi.loop_end = read_f32le(0x0c, sf) * sample_rate; /* also num_samples in some versions */
|
|
ovmi.loop_end_found = 1;
|
|
ovmi.loop_flag = read_u8(0x10, sf) != 0; /* count or -1=infinite, u32 in some versions */
|
|
/* AlphaOgg defines up to 16 loop points for some reason */
|
|
|
|
start_offset = 0xc8;
|
|
vgmstream = init_vgmstream_ogg_vorbis_config(sf, start_offset, &ovmi);
|
|
}
|
|
|
|
return vgmstream;
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|