Files
psn-js/encoders/packet-header-chunk.js
T

16 lines
663 B
JavaScript

const chunk = require('./chunk');
module.exports = (timestamp, versionHigh, versionLow, frameId, framePacketCount) => {
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);
packetHeader.writeUint8(framePacketCount, 11);
return chunk(0x0000, packetHeader, false);
};