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patterns: Added SWF header pattern (#219)

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* patterns: Added pattern for SWF files.

* Added test file for SWF header.

* Update README with SWF file type.
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lucia c
2024-01-27 14:53:16 +00:00
committed by GitHub
parent 35cc68544b
commit e7d1973957
3 changed files with 30 additions and 0 deletions
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29
patterns/swf.hexpat Normal file
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#pragma author saturnaliam
#pragma description SWF file header
#pragma endian little
#include <type/magic.pat>
// RECTs are more complicated, but for the header,
// this works fine.
bitfield Rect {
nSize : 5 [[name("N Size")]];
signed xMin : 15 [[name("X Min")]];
signed xMax : 15 [[name("X Max")]];
signed yMin : 15 [[name("Y Min")]];
signed yMax : 15 [[name("Y Max")]];
};
struct Header {
char compressionSignature [[name("Compression"), comment("F - Uncompressed\nC - zlib Compressed\nZ - LZMA compressed")]];
type::Magic<"WS"> signature [[name("Signature")]];
u8 swfVersion [[name("SWF Version")]];
u32 bytesSize [[name("Uncompressed Size")]];
be Rect rect [[name("Frame Size"), comment("Needs to be uncompressed to have the correct value.")]];
padding[1];
u8 frameRate [[name("Framerate"), comment("Needs to be uncompressed to have the correct value.")]];
u16 frameCount [[name("Frame Count"), comment("Needs to be uncompressed to have the correct value.")]];
};
Header header @ 0x00;