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add a little bit of error catching

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This commit is contained in:
Joel Wetzell
2023-09-13 20:01:42 -05:00
parent 0af6c4c8da
commit c7e2e5bdab
1 changed files with 4 additions and 0 deletions
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src/encoders/packet-header-chunk.js
+4
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@@ -1,11 +1,15 @@
const chunk = require('./chunk');
module.exports = (timestamp, versionHigh, versionLow, frameId, framePacketCount) => {
if (frameId > 255) {
throw new Error('frame id must be >= 0 and <= 255');
}
const packetHeader = Buffer.alloc(12);
const timestampHigh = timestamp.toString(2).padStart(64, '0').substring(0, 32);
const timestampLow = timestamp.toString(2).padStart(64, '0').substring(32);
packetHeader.writeUInt32LE(parseInt(timestampLow, 2));
packetHeader.writeUInt32LE(parseInt(timestampHigh, 2), 4);
packetHeader.writeUint8(versionHigh, 8);
packetHeader.writeUint8(versionLow, 9);
packetHeader.writeUint8(frameId, 10);