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Add .isd + .isl looping [Mighty Gunvolt (PC), Blaster Master Zero (PC)]

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This commit is contained in:
bnnm 2019-06-23 23:20:43 +02:00
parent afde14796e
commit 57cd72771f
1 changed files with 43 additions and 8 deletions
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51
src/meta/ogg_vorbis.c
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@ -265,7 +265,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
}
if (is_isd) { /* Inti Creates PC games */
//const char *isl_name = NULL;
const char *isl_name = NULL;
/* check various encrypted "OggS" values */
if (read_32bitBE(0x00,streamFile) == 0xAF678753) { /* Azure Striker Gunvolt (PC) */
@ -274,7 +274,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
};
cfg.key_len = sizeof(isd_gv_key);
memcpy(cfg.key, isd_gv_key, cfg.key_len);
//isl_name = "GV_steam.isl";
isl_name = "GV_steam.isl";
}
else if (read_32bitBE(0x00,streamFile) == 0x0FE787D3) { /* Mighty Gunvolt (PC) */
static const uint8_t isd_mgv_key[120] = {
@ -289,7 +289,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
};
cfg.key_len = sizeof(isd_mgv_key);
memcpy(cfg.key, isd_mgv_key, cfg.key_len);
//isl_name = "MGV_steam.isl";
isl_name = "MGV_steam.isl";
}
else if (read_32bitBE(0x00,streamFile) == 0x0FA74753) { /* Blaster Master Zero (PC) */
static const uint8_t isd_bmz_key[120] = {
@ -304,7 +304,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
};
cfg.key_len = sizeof(isd_bmz_key);
memcpy(cfg.key, isd_bmz_key, cfg.key_len);
//isl_name = "output.isl";
isl_name = "output.isl";
}
else {
goto fail;
@ -318,9 +318,44 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
* 0x00(2): ?, 0x02(2): channels, 0x04: sample rate, 0x08: skip samples (in PCM bytes), always 32000
* 0x0c(2): PCM block size, 0x0e(2): PCM bps, 0x10: null, 0x18: samples (in PCM bytes)
* - .isl: looping table (encrypted like the files) */
//if (isl_name) {
// ...
//}
if (isl_name) {
STREAMFILE *islFile = NULL;
//todo could try in ../(file) first since that's how the .isl is stored
islFile = open_streamfile_by_filename(streamFile, isl_name);
if (islFile) {
STREAMFILE *dec_sf = NULL;
dec_sf = setup_ogg_vorbis_streamfile(islFile, cfg);
if (dec_sf) {
off_t loop_offset;
char basename[PATH_LIMIT];
/* has a bunch of tables then a list with file names without extension and loops */
loop_offset = read_32bitLE(0x18, dec_sf);
get_streamfile_basename(streamFile, basename, sizeof(basename));
while (loop_offset < get_streamfile_size(dec_sf)) {
char testname[0x20];
read_string(testname, sizeof(testname), loop_offset+0x2c, dec_sf);
if (strcmp(basename, testname) == 0) {
ovmi.loop_start = read_32bitLE(loop_offset+0x1c, dec_sf);
ovmi.loop_end = read_32bitLE(loop_offset+0x20, dec_sf);
ovmi.loop_end_found = 1;
ovmi.loop_flag = (ovmi.loop_end != 0);
break;
}
loop_offset += 0x50;
}
close_streamfile(dec_sf);
}
close_streamfile(islFile);
}
}
}
if (is_rpgmvo) { /* [RPG Maker MV (PC)] */
@ -482,7 +517,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis_callbacks(STREAMFILE *streamFile, ov_callb
data->disable_reordering = ovmi->disable_reordering;
/* search for loop comments */
{
{//todo ignore if loop flag already set?
int i;
vorbis_comment *comment = ov_comment(ovf,OGG_DEFAULT_BITSTREAM);