patterns: Added sup pattern file (#337)

* Add sup pattern file

* Add files via upload

* Update README.md

README.md

@@ -137,6 +137,7 @@ Everything will immediately show up in ImHex's Content Store and gets bundled wi
 | Shell Link | `application/x-ms-shortcut` | [`patterns/lnk.hexpat`](patterns/lnk.hexpat) | Windows Shell Link file format |
 | shp | | [`patterns/shp.hexpat`](patterns/shp.hexpat) | ESRI shape file |
 | shx | | [`patterns/shx.hexpat`](patterns/shx.hexpat) | ESRI index file |
+| sup | | [`patterns/sup.hexpat`](patterns/sup.hexpat) | PGS Subtitle |
 | SPIRV | | [`patterns/spirv.hexpat`](patterns/spirv.hexpat) | SPIR-V header and instructions |
 | STL | `model/stl` | [`patterns/stl.hexpat`](patterns/stl.hexpat) | STL 3D Model format |
 | StuffItV5 | `application/x-stuffit` | [`patterns/sit5.hexpat`](patterns/sit5.hexpat) | StuffIt V5 archive |
@@ -267,4 +268,4 @@ Everything will immediately show up in ImHex's Content Store and gets bundled wi
 
 | Name | Path | Description |
 |------|------|-------------|
-| 8051 | [`disassemblers/8051.json`](disassemblers/8051.json) | Intel 8051 Architecture |
+| 8051 | [`disassemblers/8051.json`](disassemblers/8051.json) | Intel 8051 Architecture |

patterns/sup.hexpat

@@ -0,0 +1,119 @@
+#pragma description SUP Bluray Subtitle
+
+#pragma magic [50 47] @ 0x00
+#pragma endian big
+
+import std.mem;
+
+enum SegmentType : u8{
+    PaletteDefinitionSegment=0x14,
+    ObjectDefinitionSegment=0x15,
+    PresentationCompositionSegment=0x16,
+    WindowDefinitionSegment=0x17,
+    END=0x80
+};
+
+
+
+enum CompositionState : u8 {
+    Normal=0x00,
+    AcquisitionPoint=0x40,
+    EpochStart=0x80
+};
+enum PaletteUpdateFlag : u8 {
+    False=0x00,
+    True=0x80
+};
+enum ObjectCroppedFlag : u8{
+    True=0x40,
+    False=0x00
+};
+struct CompositionObject{
+    u16 objectID;
+    u8 windowID;
+    ObjectCroppedFlag objectCroppedFlag;
+    u16 objectHorizontalPosition;
+    u16 objectVerticalPosition;
+    if (objectCroppedFlag == ObjectCroppedFlag::True){
+        u16 objectCroppingHorizontalPosition;
+        u16 objectCroppingVerticalPosition;
+        u16 objectCroppingWidth;
+        u16 objectCroppingHeight;
+    }
+};
+struct PresentationCompositionSegment{
+    u16 width;
+    u16 height;
+    u8 framerate;
+    u16 compositionNumber;
+    CompositionState compositionState;
+    PaletteUpdateFlag paletteUpdateFlag;
+    u8 paletteID;
+    u8 numberOfCompositionObjects;
+    CompositionObject compositionObject[numberOfCompositionObjects];
+};
+
+
+struct WindowDefinitionSegment{
+    u8 numberOfWindows;
+    u8 windowID;
+    u16 windowHorizontalPosition;
+    u16 windowVerticalPosition;
+    u16 windowWidth;
+    u16 windowHeight;
+};
+
+fn paletteCount(){
+    u64 len = (parent.parent.header.segmentSize-7)/5+1;
+    return len;
+};
+struct PaletteEntry{
+    u8 paletteEntryID;
+    u8 luminance;
+    u8 colorDifferenceRed [[color("FF0000")]];
+    u8 colorDifferenceBlue [[color("0000FF")]];
+    u8 Transparency;
+};
+struct PaletteDefinitionSegment{
+    u8 paletteID;
+    u8 paletteVersionNumber;
+    PaletteEntry paletteEntry[paletteCount()];
+};
+
+
+enum LastInSequenceFlag : u8{
+    LastInSequence=0x40,
+    FirstInSequence=0x80,
+    FirstAndLastsInSequence=0xC0
+};
+struct ObjectDefinitionSegment{
+    u16 objectID;
+    u8 objectVersionNumber;
+    LastInSequenceFlag lastInSequenceFlag;
+    u24 objectDataLength;
+    //u16 width;
+    //u16 height;
+    u8 objectData[objectDataLength];
+};
+
+
+struct PGSHeader{
+    char magicNumber[2];
+    u32 presentationTimeStamp;
+    u32 decodingTimeStamp;
+    SegmentType segmentType;
+    u16 segmentSize;
+};
+
+struct PGSSegment{
+    PGSHeader header;
+    match(header.segmentType){
+        (0x14): PaletteDefinitionSegment paletteDefinitionSegment;
+        (0x15): ObjectDefinitionSegment objectDefinitionSegment;
+        (0x16): PresentationCompositionSegment presentationCompositionSegment;
+        (0x17): WindowDefinitionSegment windowDefinitionSegment;
+    }
+};
+
+
+PGSSegment pgsSegment[while(!std::mem::eof())] @ 0;