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rework header encode/decode

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This commit is contained in:
Joel Wetzell
2025-03-15 08:24:03 -05:00
parent ea2358a315
commit 0ff78d03a4
6 changed files with 75 additions and 78 deletions
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src/decoders/rttrp.ts
+13 -15
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@@ -12,37 +12,35 @@ export default (bytes: Uint8Array): RTTrPHeader => {
let isLittleEndian = false;
const intHeader = view.getUint16(dataOffset, isLittleEndian);
dataOffset += 2;
const fltHeader = view.getUint16(dataOffset, isLittleEndian);
const floatHeader = view.getUint16(dataOffset, isLittleEndian);
dataOffset += 2;
if (intHeader === 0x4154) {
isLittleEndian = false;
}
const version = view.getUint16(dataOffset, isLittleEndian);
dataOffset += 2;
if (version !== 0x0002) {
throw new Error('Only version 2 of the RTTrP header is currently supported');
}
const pID = view.getUint32(dataOffset, isLittleEndian);
if (intHeader === 0x5441) {
isLittleEndian = true;
}
const packetID = view.getUint32(dataOffset, isLittleEndian);
dataOffset += 4;
const pForm = view.getUint8(dataOffset);
const packetFormat = view.getUint8(dataOffset);
dataOffset += 1;
const pktSize = view.getUint16(dataOffset, isLittleEndian);
const size = view.getUint16(dataOffset, isLittleEndian);
dataOffset += 2;
const context = view.getUint32(dataOffset, isLittleEndian);
dataOffset += 4;
const numMods = view.getUint8(dataOffset);
const subModuleCount = view.getUint8(dataOffset);
dataOffset += 1;
const data = bytes.slice(dataOffset);
return {
intHeader,
fltHeader,
floatHeader,
version,
pID,
pForm,
pktSize,
packetID,
packetFormat,
size,
context,
numMods,
data,
subModuleCount,
};
};