vgmstream/src/meta/pasx.c
2023-01-20 16:32:32 +01:00

67 lines
2.0 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* PASX - from Premium Agency games [SoulCalibur II HD (X360), Death By Cube (X360)] */
VGMSTREAM* init_vgmstream_pasx(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
off_t start_offset, chunk_offset;
size_t data_size, chunk_size;
int loop_flag, channels, sample_rate;
int num_samples, loop_start_sample, loop_end_sample;
/* checks */
if (!is_id32be(0x00,sf, "PASX"))
goto fail;
/* .past: Soul Calibur II HD
* .sgb: Death By Cube */
if (!check_extensions(sf,"past,sgb"))
goto fail;
/* custom header with a "fmt " data chunk inside */
chunk_size = read_32bitBE(0x08,sf);
data_size = read_32bitBE(0x0c,sf);
chunk_offset = read_32bitBE(0x10,sf); /* 0x14: fmt offset end */
start_offset = read_32bitBE(0x18,sf);
channels = read_16bitBE(chunk_offset+0x02,sf);
sample_rate = read_32bitBE(chunk_offset+0x04,sf);
xma2_parse_fmt_chunk_extra(sf, chunk_offset, &loop_flag, &num_samples, &loop_start_sample, &loop_end_sample, 1);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channels, loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = num_samples;
vgmstream->loop_start_sample = loop_start_sample;
vgmstream->loop_end_sample = loop_end_sample;
vgmstream->meta_type = meta_PASX;
#ifdef VGM_USE_FFMPEG
{
vgmstream->codec_data = init_ffmpeg_xma_chunk(sf, start_offset, data_size, chunk_offset, chunk_size);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
xma_fix_raw_samples(vgmstream, sf, start_offset, data_size, chunk_offset, 1,1);
}
#else
goto fail;
#endif
/* open the file for reading */
if ( !vgmstream_open_stream(vgmstream, sf, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}