rtppacker.cpp

std::vector<uint8_t> RTPPacket::pack(
                                uint8_t payloadType,
                                uint16_t sequenceNumber,
                                uint32_t timestamp,
                                std::vector<uint8_t> &data
                              ) {
  std::vector<uint8_t> header(12, 0);
  const uint8_t version = 2;
  header[0] = (version << 6) | header[0];
  header[1] = (0x7F & payloadType);

  header[2] = sequenceNumber >> 8;
  header[3] = sequenceNumber;

  header[4] = timestamp >> 24;
  header[5] = timestamp >> 16;
  header[6] = timestamp >> 8;
  header[7] = timestamp;

  header.insert(header.end(), data.begin(), data.end());
  return header;
}