vgmstream/src/meta/pona.c

92 lines
2.8 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* PONA - from Policenauts (3DO) */
VGMSTREAM * init_vgmstream_pona_3do(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
int loop_flag, channel_count;
/* checks */
/* .pona: fake extension?
* .sxd: Policenauts Pilot Disc (3DO) */
if (!check_extensions(streamFile, "pona,sxd"))
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x13020000)
goto fail;
if (read_32bitBE(0x06,streamFile)+0x800 != get_streamfile_size(streamFile))
goto fail;
loop_flag = (read_32bitBE(0x0A,streamFile) != 0xFFFFFFFF);
channel_count = 1;
start_offset = (uint16_t)(read_16bitBE(0x04,streamFile));
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_PONA_3DO;
vgmstream->sample_rate = 22050;
vgmstream->num_samples = get_streamfile_size(streamFile) - start_offset;
if (loop_flag) {
vgmstream->loop_start_sample = read_32bitBE(0x0A,streamFile);
vgmstream->loop_end_sample = read_32bitBE(0x06,streamFile);
}
vgmstream->coding_type = coding_SDX2;
vgmstream->layout_type = layout_none;
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}
/* PONA - from Policenauts (PSX) */
VGMSTREAM * init_vgmstream_pona_psx(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
int loop_flag, channel_count;
/* checks */
/* .pona: fake extension? */
if (!check_extensions(streamFile, "pona"))
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x00000800)
goto fail;
if (read_32bitBE(0x08,streamFile)+0x800 != get_streamfile_size(streamFile))
goto fail;
loop_flag = (read_32bitBE(0xC,streamFile) != 0xFFFFFFFF);
channel_count = 1;
start_offset = read_32bitBE(0x04,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_PONA_PSX;
vgmstream->sample_rate = 44100;
vgmstream->num_samples = ps_bytes_to_samples(get_streamfile_size(streamFile) - start_offset, channel_count);
if (loop_flag) {
vgmstream->loop_start_sample = ps_bytes_to_samples(read_32bitBE(0x0C,streamFile), channel_count);
vgmstream->loop_end_sample = ps_bytes_to_samples(read_32bitBE(0x08,streamFile), channel_count);
}
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_none;
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}