From b914f5524db11cdbe6e2808a31a7bc64bab19a73 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sun, 22 Jun 2025 17:36:28 +0100
Subject: [PATCH] Add pattern for BlindWrite 5 disc images.

---
 optical/BlindWrite5.hexpat | 174 +++++++++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 optical/BlindWrite5.hexpat

diff --git a/optical/BlindWrite5.hexpat b/optical/BlindWrite5.hexpat
new file mode 100644
index 0000000..66eda6e
--- /dev/null
+++ b/optical/BlindWrite5.hexpat
@@ -0,0 +1,174 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : BlindWrite5.hexpat
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : ImHex pattern for parsing BlindWrite 5 disc images.
+// Version        : 1.00
+//
+// --[ Description ] ----------------------------------------------------------
+//
+//     Parses BlindWrite 5 disc images.
+//
+// --[ History ] --------------------------------------------------------------
+//     
+//     1.00: Initial release.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2025 Natalia Portillo
+// ****************************************************************************/
+
+#pragma author Nat Portillo <claunia@claunia.com>
+#pragma description BlindWrite 5 disc image parser (*.B5T)
+#pragma endian big
+#pragma magic [ "BWT5 STREAM SIGN" ] @ 0x00
+
+import type.magic;
+
+enum bw5_track_type_t : u8
+{
+ NotData = 0,
+ Audio = 1,
+ Mode1 = 2,
+ Mode2 = 3,
+ Mode2F1 = 4,
+ Mode2F2 = 5,
+ Dvd = 6
+};
+
+enum bw5_subchannel_type_t : u8
+{
+ None = 0,
+ Q16 = 2,
+ Linear = 4
+};
+
+struct bw5_data_file_t
+{
+    u32 type;
+    u32 length;
+    u32 unknown1[4];
+    u32 offset;
+    u32 unknown2[3];
+    s32 start_lba;
+    s32 sectors;
+    u32 filename_len;
+    char16 filename[filename_len/2];
+    u32 unknown3;
+};
+
+bitfield HOUR
+{
+    PHOUR : 4;
+    AHOUR : 4;
+};
+
+struct bw5_track_descriptor_t
+{
+    bw5_track_type_t type;
+    u8 unknown1[3];
+    u32 unknown2;
+    bw5_subchannel_type_t subchannel;
+    u8 unknown3;
+    u8 CONTROL;
+    u8 ADR;
+    u8 POINT;
+    u8 TNO;
+    u8 AMIN;
+    u8 ASEC;
+    u8 AFRAME;
+    HOUR;
+    u8 PMIN;
+    u8 PSEC;
+    u8 PFRAME;
+    u8 unknown5;
+    u32 pregap;
+    u32 unknown6[4];
+    s32 startLba;
+    s32 sectors;
+    u32 unknown7[2];
+    u32 session;
+    u16 unknown8;
+    if(type != 6 && type != 0)
+        u32 unknown9[2];
+};
+
+struct bw5_session_t
+{
+    u16 sequence;
+    u8 entries;
+    u8 unknown;
+    s32 start;
+    s32 end;
+    u16 firstTrack;
+    u16 lastTrack;
+    bw5_track_descriptor_t tracks[entries];
+};
+
+struct bw5_header_t
+{
+    type::Magic<"BWT5 STREAM SIGN"> header;
+    u32 unknown1[8];
+    u16 profile;
+    u16 sessions;
+    u32 unknown2[3];
+    bool valid_mcn;
+    char mcn[13];
+    u16 unknown3;
+    u32 unknown4[4];
+    u16 pma_len;
+    u16 atip_len;
+    u16 cdtext_len;
+    u16 cdinfo_len;
+    u32 bca_len;
+    u32 unknown5[3];
+    u32 dvd_structures_len;
+    u32 dvdinfo_len;
+    u8 unknown6[32];
+    char manufacturer[8];
+    char product[16];
+    char revision[4];
+    char vendor[20];
+    char volumeId[32];
+    u32 mode_2a_len;
+    u32 unknown_block_len;
+    u32 data_len;
+    u32 sessions_len;
+    u32 dpm_len;
+    u8 mode_2a[mode_2a_len];
+    u8 unknown_block[unknown_block_len];
+    u8 pma[pma_len];
+    u8 atip[atip_len];
+    u8 cdtext[cdtext_len];
+    u8 bca[bca_len];
+    u8 dvd_structures[dvd_structures_len];
+    u8 dvdinformation[dvdinfo_len];
+    u8 cdinformation[cdinfo_len];
+    u32 data_block_count;
+    u32 data_path_len;
+    char16 data_path[data_path_len/2];
+    bw5_data_file_t data_blocks[data_block_count];
+    bw5_session_t session[sessions];
+    u8 dpm[dpm_len];
+    u32 unknown7;
+    type::Magic<"BWT5 STREAM FOOT"> footer;
+};
+
+bw5_header_t header @ 0x00;
\ No newline at end of file