mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 07:32:52 +01:00
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../util.h"
|
||
|
|
|
||
|
|
/* STR
|
||
|
|
|
||
|
|
2008-05-19 - Fastelbja : Test version ...
|
||
|
|
*/
|
||
|
|
|
||
|
|
VGMSTREAM * init_vgmstream_ps2_str(STREAMFILE *streamFile) {
|
||
|
|
|
||
|
|
VGMSTREAM * vgmstream = NULL;
|
||
|
|
STREAMFILE * infileSTH = NULL;
|
||
|
|
char filename[260];
|
||
|
|
|
||
|
|
char * filenameSTH = NULL;
|
||
|
|
|
||
|
|
int i, channel_count, loop_flag;
|
||
|
|
|
||
|
|
/* check extension, case insensitive */
|
||
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
||
|
|
if (strcasecmp("str",filename_extension(filename))) goto fail;
|
||
|
|
|
||
|
|
/* check for .MIH file */
|
||
|
|
filenameSTH=(char *)malloc(strlen(filename)+1);
|
||
|
|
|
||
|
|
if (!filenameSTH) goto fail;
|
||
|
|
|
||
|
|
strcpy(filenameSTH,filename);
|
||
|
|
strcpy(filenameSTH+strlen(filenameSTH)-3,"STH");
|
||
|
|
|
||
|
|
infileSTH = streamFile->open(streamFile,filenameSTH,STREAMFILE_DEFAULT_BUFFER_SIZE);
|
||
|
|
|
||
|
|
/* STH File is necessary, so we can't confuse those file */
|
||
|
|
/* with others .STR file as it is a very common extension */
|
||
|
|
if (!infileSTH) goto fail;
|
||
|
|
|
||
|
|
channel_count=read_32bitLE(0x40,infileSTH)+1;
|
||
|
|
loop_flag = (read_32bitLE(0x2c,infileSTH)==6);
|
||
|
|
|
||
|
|
/* build the VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
/* fill in the vital statistics */
|
||
|
|
vgmstream->channels = read_32bitLE(0x40,infileSTH)+1;
|
||
|
|
vgmstream->sample_rate = read_32bitLE(0x24,infileSTH);
|
||
|
|
vgmstream->interleave_block_size = read_32bitLE(0x04,infileSTH)/0x10;
|
||
|
|
vgmstream->num_samples=read_32bitLE(0x20,infileSTH);
|
||
|
|
|
||
|
|
vgmstream->coding_type = coding_PSX;
|
||
|
|
vgmstream->layout_type = layout_interleave;
|
||
|
|
|
||
|
|
vgmstream->meta_type = meta_PS2_STR;
|
||
|
|
|
||
|
|
if(loop_flag) {
|
||
|
|
vgmstream->loop_start_sample = read_32bitLE(0x28,infileSTH);
|
||
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
||
|
|
}
|
||
|
|
|
||
|
|
close_streamfile(infileSTH); infileSTH=NULL;
|
||
|
|
|
||
|
|
/* open the file for reading by each channel */
|
||
|
|
{
|
||
|
|
for (i=0;i<channel_count;i++) {
|
||
|
|
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,vgmstream->interleave_block_size);
|
||
|
|
|
||
|
|
if (!vgmstream->ch[i].streamfile) goto fail;
|
||
|
|
|
||
|
|
vgmstream->ch[i].channel_start_offset=
|
||
|
|
vgmstream->ch[i].offset=0+vgmstream->interleave_block_size*i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return vgmstream;
|
||
|
|
|
||
|
|
/* clean up anything we may have opened */
|
||
|
|
fail:
|
||
|
|
if (infileSTH) close_streamfile(infileSTH);
|
||
|
|
if (filenameSTH) {free(filenameSTH); filenameSTH=NULL;}
|
||
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
||
|
|
return NULL;
|
||
|
|
}
|