cog/Frameworks/vgmstream/vgmstream/src/meta/vai.c

46 lines
1.2 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* .VAI - from Asobo Studio games [Ratatouille (GC)] */
VGMSTREAM * init_vgmstream_vai(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
size_t data_size;
int loop_flag, channel_count;
/* checks */
if ( !check_extensions(streamFile,"vai") )
goto fail;
start_offset = 0x4060;
data_size = get_streamfile_size(streamFile) - start_offset;
if (read_32bitBE(0x04,streamFile) != data_size)
goto fail;
channel_count = 2;
loop_flag = 0;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_VAI;
vgmstream->sample_rate = read_32bitBE(0x00,streamFile);
vgmstream->num_samples = dsp_bytes_to_samples(data_size,channel_count);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x4000;
dsp_read_coefs_be(vgmstream,streamFile,0x0c,0x20);
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}