mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-23 20:04:50 +01:00
d5a11d58e8
- DSP: itl, vag (PPP) - PS2: int (A2M), ahv, msv, sdf, svg, vis - PC: .aif (Asobo), ao, apc, wv2 - Xbox: xau (Konami)
53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* VIS - from Konami games [AirForce Delta Strike (PS2) (PS2)] */
|
|
VGMSTREAM * init_vgmstream_vis(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset;
|
|
size_t data_size;
|
|
int loop_flag, channel_count;
|
|
|
|
|
|
/* checks */
|
|
if ( !check_extensions(streamFile,"vis") )
|
|
goto fail;
|
|
if (read_32bitBE(0x00,streamFile) != 0x56495341) /* "VISA" */
|
|
goto fail;
|
|
|
|
start_offset = 0x800;
|
|
data_size = get_streamfile_size(streamFile) - start_offset;
|
|
|
|
loop_flag = read_32bitLE(0x18,streamFile);
|
|
channel_count = read_32bitLE(0x20,streamFile); /* assumed */
|
|
/* 0x1c: always 0x10 */
|
|
/* 0x24: always 0x01 */
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_VIS;
|
|
vgmstream->sample_rate = read_32bitLE(0x08,streamFile);
|
|
vgmstream->num_samples = ps_bytes_to_samples(data_size,channel_count);
|
|
vgmstream->loop_start_sample = ps_bytes_to_samples(read_32bitLE(0x0c,streamFile),channel_count);
|
|
vgmstream->loop_end_sample = ps_bytes_to_samples(read_32bitLE(0x10,streamFile),channel_count);
|
|
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = read_32bitLE(0x14,streamFile); /* usually 0x10 or 0x4000 */
|
|
if (vgmstream->interleave_block_size)
|
|
vgmstream->interleave_last_block_size =
|
|
(data_size % (vgmstream->interleave_block_size*channel_count)) / channel_count;
|
|
read_string(vgmstream->stream_name,0x10+1, 0x28,streamFile);
|
|
|
|
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|