From aa58da7ca1ea9729f8269b892765f087e5400de0 Mon Sep 17 00:00:00 2001
From: bnnm <bananaman255@gmail.com>
Date: Sat, 1 Aug 2020 16:04:41 +0200
Subject: [PATCH] Add .dsb [Taiko no Tatsujin DS: Dororon! Yokai Daikessen!!
 (DS)]

---
 src/formats.c                    |  1 +
 src/libvgmstream.vcproj          |  4 +++
 src/libvgmstream.vcxproj         |  1 +
 src/libvgmstream.vcxproj.filters |  3 ++
 src/meta/dsb.c                   | 54 ++++++++++++++++++++++++++++++++
 src/meta/meta.h                  |  2 ++
 src/vgmstream.c                  |  1 +
 7 files changed, 66 insertions(+)
 create mode 100644 src/meta/dsb.c

diff --git a/src/formats.c b/src/formats.c
index f8788d99..394f30ca 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -150,6 +150,7 @@ static const char* extension_list[] = {
     "diva",
     "dmsg",
     "ds2", //txth/reserved [Star Wars Bounty Hunter (GC)]
+    "dsb",
     "dsf",
     "dsp",
     "dspw",
diff --git a/src/libvgmstream.vcproj b/src/libvgmstream.vcproj
index 4bf18b90..fdefc4f4 100644
--- a/src/libvgmstream.vcproj
+++ b/src/libvgmstream.vcproj
@@ -660,6 +660,10 @@
                     RelativePath=".\meta\dmsg_segh.c"
                     >
                 </File>
+                <File
+                    RelativePath=".\meta\dsb.c"
+                    >
+                </File>
                 <File
                     RelativePath=".\meta\dsf.c"
                     >
diff --git a/src/libvgmstream.vcxproj b/src/libvgmstream.vcxproj
index db0de389..3ceec39c 100644
--- a/src/libvgmstream.vcxproj
+++ b/src/libvgmstream.vcxproj
@@ -316,6 +316,7 @@
     <ClCompile Include="meta\derf.c" />
     <ClCompile Include="meta\diva.c" />
     <ClCompile Include="meta\dmsg_segh.c" />
+    <ClCompile Include="meta\dsb.c" />
     <ClCompile Include="meta\dsf.c" />
     <ClCompile Include="meta\dsp_adx.c" />
     <ClCompile Include="meta\dsp_bdsp.c" />
diff --git a/src/libvgmstream.vcxproj.filters b/src/libvgmstream.vcxproj.filters
index fbd0fa57..1cd1c5c3 100644
--- a/src/libvgmstream.vcxproj.filters
+++ b/src/libvgmstream.vcxproj.filters
@@ -457,6 +457,9 @@
     <ClCompile Include="meta\dmsg_segh.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\dsb.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="meta\dsf.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
diff --git a/src/meta/dsb.c b/src/meta/dsb.c
new file mode 100644
index 00000000..24f0cc27
--- /dev/null
+++ b/src/meta/dsb.c
@@ -0,0 +1,54 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+/* .dsb - from Namco games [Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! (DS)] */
+VGMSTREAM* init_vgmstream_dsb(STREAMFILE* sf) {
+    VGMSTREAM* vgmstream = NULL;
+    STREAMFILE* temp_sf = NULL;
+    off_t subfile_offset;
+    size_t subfile_size;
+
+
+    /* checks */
+    if (!check_extensions(sf,"dsb"))
+        goto fail;
+    if (read_u32be(0x00,sf) != 0x44535342) /* "DSSB" */
+        goto fail;
+    if (read_u32be(0x40,sf) != 0x44535354) /* "DSST" */
+        goto fail;
+
+    /* - DDSB:
+     * 0x04: chunk size
+     * 0x08: file name
+     * 0x14: sample rate
+     * 0x18: v01?
+     * 0x1c: file size
+     * 0x20: DSST offset
+     *
+     * - DDST:
+     * 0x44: chunk size
+     * 0x48: file name
+     * 0x58: small signed number?
+     * 0x5c: data size (with padding)
+     * 0x60: small signed number?
+     * 0x64: ?
+     * rest: null
+     */
+
+    subfile_offset = 0x80;
+    subfile_size   = read_u32be(0x80 + 0x04, sf) + 0x08; /* files are padded so use BNSF */
+
+    temp_sf = setup_subfile_streamfile(sf, subfile_offset, subfile_size, "bnsf");
+    if (!temp_sf) goto fail;
+
+    vgmstream = init_vgmstream_bnsf(temp_sf);
+    if (!vgmstream) goto fail;
+
+    close_streamfile(temp_sf);
+    return vgmstream;
+
+fail:
+    close_streamfile(temp_sf);
+    close_vgmstream(vgmstream);
+    return NULL;
+}
diff --git a/src/meta/meta.h b/src/meta/meta.h
index 72106a6a..6da0a01f 100644
--- a/src/meta/meta.h
+++ b/src/meta/meta.h
@@ -913,4 +913,6 @@ VGMSTREAM* init_vgmstream_adp_konami(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_zwv(STREAMFILE* sf);
 
+VGMSTREAM* init_vgmstream_dsb(STREAMFILE* sf);
+
 #endif /*_META_H*/
diff --git a/src/vgmstream.c b/src/vgmstream.c
index a6d625c6..4b3c88e5 100644
--- a/src/vgmstream.c
+++ b/src/vgmstream.c
@@ -506,6 +506,7 @@ VGMSTREAM* (*init_vgmstream_functions[])(STREAMFILE* sf) = {
     init_vgmstream_ktsc,
     init_vgmstream_adp_konami,
     init_vgmstream_zwv,
+    init_vgmstream_dsb,
 
     /* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
     init_vgmstream_txth,            /* proper parsers should supersede TXTH, once added */