mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 23:52:53 +01:00
64ea8a391f
git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@744 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
128 lines
3.9 KiB
C
128 lines
3.9 KiB
C
#include "meta.h"
|
|
#include "../util.h"
|
|
|
|
/* PONA (from Policenauts [3DO]) */
|
|
VGMSTREAM * init_vgmstream_pona_3do(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
char filename[260];
|
|
off_t start_offset;
|
|
int loop_flag;
|
|
int channel_count;
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
if (strcasecmp("pona",filename_extension(filename))) goto fail;
|
|
|
|
/* check header */
|
|
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;
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
/* fill in the vital statistics */
|
|
start_offset = (uint16_t)(read_16bitBE(0x04,streamFile));
|
|
vgmstream->channels = channel_count;
|
|
vgmstream->sample_rate = 22050;
|
|
vgmstream->coding_type = coding_SDX2;
|
|
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->layout_type = layout_none;
|
|
vgmstream->meta_type = meta_PONA_3DO;
|
|
|
|
/* open the file for reading */
|
|
{
|
|
int i;
|
|
STREAMFILE * file;
|
|
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
|
|
if (!file) goto fail;
|
|
for (i=0;i<channel_count;i++) {
|
|
vgmstream->ch[i].streamfile = file;
|
|
vgmstream->ch[i].channel_start_offset=
|
|
vgmstream->ch[i].offset=start_offset+
|
|
vgmstream->interleave_block_size*i;
|
|
}
|
|
}
|
|
|
|
return vgmstream;
|
|
|
|
/* clean up anything we may have opened */
|
|
fail:
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* PONA (from Policenauts [PSX]) */
|
|
VGMSTREAM * init_vgmstream_pona_psx(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
char filename[260];
|
|
off_t start_offset;
|
|
int loop_flag;
|
|
int channel_count;
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
if (strcasecmp("pona",filename_extension(filename))) goto fail;
|
|
|
|
/* check header */
|
|
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;
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
/* fill in the vital statistics */
|
|
start_offset = read_32bitBE(0x04,streamFile);
|
|
vgmstream->channels = channel_count;
|
|
vgmstream->sample_rate = 44100;
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->num_samples = ((get_streamfile_size(streamFile))-start_offset)/16/channel_count*28;
|
|
if (loop_flag) {
|
|
vgmstream->loop_start_sample = (read_32bitBE(0x0C,streamFile)/16/channel_count*28);
|
|
vgmstream->loop_end_sample = (read_32bitBE(0x08,streamFile)/16/channel_count*28);
|
|
}
|
|
|
|
vgmstream->layout_type = layout_none;
|
|
vgmstream->meta_type = meta_PONA_PSX;
|
|
|
|
/* open the file for reading */
|
|
{
|
|
int i;
|
|
STREAMFILE * file;
|
|
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
|
|
if (!file) goto fail;
|
|
for (i=0;i<channel_count;i++) {
|
|
vgmstream->ch[i].streamfile = file;
|
|
vgmstream->ch[i].channel_start_offset=
|
|
vgmstream->ch[i].offset=start_offset+
|
|
vgmstream->interleave_block_size*i;
|
|
}
|
|
}
|
|
|
|
return vgmstream;
|
|
|
|
/* clean up anything we may have opened */
|
|
fail:
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|