ttyrec/lib/encoder.js

Native javascript Ttyrec file encoder/decoder using streams

'use strict';

function encode(sec, usec, chunk) {

  var headerBuffer = new Buffer(12);
  // 32Bit  (= 4 Bytes) Little Endian
  headerBuffer.writeUInt32LE(sec,0);
  headerBuffer.writeUInt32LE(usec,4);
  headerBuffer.writeUInt32LE(chunk.length,8);

  // Join the header and chunk in one buffer/packet
  var packetBuffer = Buffer.concat([headerBuffer, chunk]);

  return packetBuffer;
}

module.exports = {
  encode: encode
};