mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 23:52:53 +01:00
040a5a0648
git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@906 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#include "meta.h"
|
|
#include "../util.h"
|
|
|
|
/* .lsf - Fastlane Street Racing (iPhone) */
|
|
/* "!n1nj4n" */
|
|
|
|
VGMSTREAM * init_vgmstream_lsf_n1nj4n(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
char filename[260];
|
|
|
|
size_t file_size;
|
|
off_t start_offset;
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
if (strcasecmp("lsf",filename_extension(filename))) goto fail;
|
|
|
|
/* check header */
|
|
if (read_32bitBE(0x0, streamFile) != 0x216E316E || // "!n1n"
|
|
read_32bitBE(0x4, streamFile) != 0x6A346E00) // "j4n\0"
|
|
goto fail;
|
|
|
|
/* check size */
|
|
file_size = get_streamfile_size(streamFile);
|
|
if (read_32bitLE(0xC, streamFile) + 0x10 != file_size)
|
|
goto fail;
|
|
|
|
start_offset = 0x10;
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(1,0);
|
|
if (!vgmstream) goto fail;
|
|
|
|
/* fill in the vital statistics */
|
|
vgmstream->num_samples = (file_size-0x10)/0x1c*0x1b*2;
|
|
vgmstream->sample_rate = read_32bitLE(0x8, streamFile);
|
|
|
|
vgmstream->coding_type = coding_LSF;
|
|
vgmstream->layout_type = layout_none;
|
|
vgmstream->meta_type = meta_LSF_N1NJ4N;
|
|
|
|
/* open the file for reading */
|
|
{
|
|
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
|
|
|
|
if (!vgmstream->ch[0].streamfile) goto fail;
|
|
|
|
vgmstream->ch[0].channel_start_offset=
|
|
vgmstream->ch[0].offset=start_offset;
|
|
}
|
|
|
|
return vgmstream;
|
|
|
|
/* clean up anything we may have opened */
|
|
fail:
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|
|
|