mirror of
https://github.com/horsicq/Detect-It-Easy.git
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9e621e1954
Renamed and moved numerous .sg files in the db directory to follow a more consistent naming convention and directory structure, grouping by type (e.g., compiler, cruncher, packer, protector, etc.). This improves maintainability and clarity of the signature database organization.
25 lines
1 KiB
JavaScript
25 lines
1 KiB
JavaScript
// Detect It Easy: detection rule file
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// Author: Kae <TG@kaens>
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// https://github.com/Gota7/NitroStudio2/blob/master/docs/specs/stream.md
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meta("audio", "Nintendo DS multi-channel stream (.STRM)");
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function detect() {
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if ((!X.c("'STRM'FE") && !X.c("'STRM'FF")) || X.U8(4) == X.U8(5) || X.U8(5) < 0xFE || !X.c("'HEAD'", 0x10)) return;
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var e = X.U8(4) == 0xFF ? _LE : _BE, dp = 0x10 + X.U32(0x14, e);
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if (X.U8(0x19) > 1 || dp > X.Sz()) return;
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if (!X.c("'DATA'", dp) || X.U32(0x28, e) != dp + 8 || X.U32(8, e) != dp + X.U32(dp + 4, e)) return;
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bDetected = true;
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sVersion = ['PCM8s', 'PCM16', 'IMA-ADPCM'][X.U8(0x18)] + '/' + (e == _LE ? 'le' : 'be');
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if (X.isVerbose()) {
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var ch = X.U8(0x1A), len = (X.U32(0x24, e) / X.U16(0x1C, e)).toFixed(0);
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sOption(
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'ch:' + ch + ' len ' + secondsToTimeStr(len) +
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' s/r:' + X.U16(0x1C, e) + 'Hz ' + ['not looped', 'looped'][X.U8(0x19)] + ' sz:' + outSz(X.U32(dp + 4, e) + dp)
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);
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}
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return result();
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}
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