VGMSTREAM * init_vgmstream_pos(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE * streamFileWAV = NULL;
char filename[1024];
char filenameWAV[1024];
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("pos",filename_extension(filename))) goto fail;
/* check for .WAV file */
strcpy(filenameWAV,filename);
strcpy(filenameWAV+strlen(filenameWAV)-3,"wav");
streamFileWAV = streamFile->open(streamFile,filenameWAV,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!streamFileWAV) {
/* try again, ucase */
for (i=strlen(filenameWAV);i>=0&&filenameWAV[i]!=DIRSEP;i--)
filenameWAV[i]=toupper(filenameWAV[i]);
streamFileWAV = streamFile->open(streamFile,filenameWAV,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!streamFileWAV) goto fail;
}
/* let the real initer do the parsing */
vgmstream = init_vgmstream_riff(streamFileWAV);
if (!vgmstream) goto fail;
close_streamfile(streamFileWAV);
streamFileWAV = NULL;
/* install loops */
if (!vgmstream->loop_flag) {
vgmstream->loop_flag = 1;
vgmstream->loop_ch = calloc(vgmstream->channels,
sizeof(VGMSTREAMCHANNEL));
if (!vgmstream->loop_ch) goto fail;
}
vgmstream->loop_start_sample = read_32bitLE(0,streamFile);
vgmstream->loop_end_sample = read_32bitLE(4,streamFile);
vgmstream->meta_type = meta_RIFF_WAVE_POS;
return vgmstream;
/* clean up anything we may have opened */
fail:
if (streamFileWAV) close_streamfile(streamFileWAV);
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .XPS - From Software games banks [Metal Wolf Chaos (Xbox), Otogi (Xbox)] */
VGMSTREAM * init_vgmstream_xps(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE * streamData = NULL;
int i, entries;
off_t entry_offset = 0x10;
int total_subsongs, target_subsong = streamFile->stream_index;
/* checks */
if (!check_extensions(streamFile, "xps"))
goto fail;
if (read_32bitLE(0x00,streamFile) != get_streamfile_size(streamFile))
goto fail;
if (read_32bitBE(0x0c,streamFile) != 0x64696666) /* "diff" */
goto fail;
/* handle .xps alone (stream .xps+data are done above) */
streamData = open_streamfile_by_ext(streamFile, "dat");
if (streamData) goto fail;
/* main section + bank sections (usually same number but not always) */
entries = read_32bitLE(0x04,streamFile);
total_subsongs = 0;
if (target_subsong == 0) target_subsong = 1;
if (target_subsong < 0 /*|| target_subsong > total_subsongs || total_subsongs < 1*/) goto fail;
/* parse entries: skip (there is probably a stream/bank flag here) */
for (i = 0; i < entries; i++) {
off_t entry_base = entry_offset;
size_t entry_size = read_32bitLE(entry_base+0x00,streamFile);
uint32_t entry_id = read_32bitBE(entry_base+0x04,streamFile);
size_t entry_pad = read_32bitLE(entry_base+0x08,streamFile);
/* 0x0c: always null, rest: entry (format varies) */
entry_offset += entry_size + entry_pad + 0x10;
/* sound info entry */
if (entry_id == 0x73696400) { /* "sid\0" */
/* keep looking for sound banks */
continue;
}
/* sound bank entry, otherwise no good */
if (entry_id != 0x75647362) { /* "udsb" */
goto fail;
}
total_subsongs++;
/* open internal RIFF */
if (target_subsong == total_subsongs && vgmstream == NULL) {
STREAMFILE* temp_streamFile;
off_t subsong_offset = entry_base+0x18;
size_t subsong_size = read_32bitLE(entry_base+0x14,streamFile);
temp_streamFile = setup_subfile_streamfile(streamFile, subsong_offset,subsong_size, "wav");
if (!temp_streamFile) goto fail;
vgmstream = init_vgmstream_riff(temp_streamFile);
close_streamfile(temp_streamFile);
if (!vgmstream) goto fail;
}
}
/* subsong not found */
if (!vgmstream)
goto fail;
vgmstream->num_streams = total_subsongs;
return vgmstream;
fail:
close_streamfile(streamData);
close_vgmstream(vgmstream);
return NULL;
}