vgmstream/src/meta/ahv.c
bnnm d5a11d58e8 Add various metas
- DSP: itl, vag (PPP)
- PS2: int (A2M), ahv, msv, sdf, svg, vis
- PC: .aif (Asobo), ao, apc, wv2
- Xbox: xau (Konami)
2018-08-28 18:47:56 +02:00

49 lines
1.5 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* AHV - from Amuze games [Headhunter (PS2)] */
VGMSTREAM * init_vgmstream_ahv(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
size_t data_size, channel_size, interleave;
int loop_flag, channel_count;
/* checks (.ahv: from names in bigfile) */
if ( !check_extensions(streamFile,"ahv") )
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x41485600) /* "AHV\0" */
goto fail;
start_offset = 0x800;
data_size = get_streamfile_size(streamFile) - start_offset;
interleave = read_32bitLE(0x10,streamFile);
channel_count = (interleave != 0) ? 2 : 1;
channel_size = read_32bitLE(0x08,streamFile);
loop_flag = 0;
/* VAGp header after 0x14 */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_AHV;
vgmstream->sample_rate = read_32bitLE(0x0c,streamFile);
vgmstream->num_samples = ps_bytes_to_samples(channel_size,1);
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
if (interleave)
vgmstream->interleave_last_block_size = (data_size % (interleave*channel_count)) / channel_count;
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}