vgmstream/src/meta/ps3_past.c
manakoAT f4217ef4e6 fixed ps3_past.c
fixed musx v10

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@866 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
2010-10-12 22:22:44 +00:00

74 lines
2.1 KiB
C

#include "meta.h"
#include "../util.h"
/* .PAST (Bakugan Battle Brawlers */
VGMSTREAM * init_vgmstream_ps3_past(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("past",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x0,streamFile) != 0x534E4450) /* SNDP */
goto fail;
loop_flag = (read_32bitBE(0x1C,streamFile)!=0);
channel_count = (uint16_t)read_16bitBE(0xC,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x30;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
vgmstream->coding_type = coding_PCM16LE;
vgmstream->num_samples = (read_32bitBE(0x14,streamFile))/2/channel_count;
if (loop_flag) {
vgmstream->loop_start_sample = read_32bitBE(0x18,streamFile)/2/channel_count;
vgmstream->loop_end_sample = read_32bitBE(0x1C,streamFile)/2/channel_count;
}
if (channel_count == 1)
{
vgmstream->layout_type = layout_none;
}
else
{
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x2;
}
vgmstream->meta_type = meta_PS3_PAST;
/* 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;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}