/*******************************************************************************
* RTP Packet:
* 1. NALU length small than 1460-sizeof(RTP header):
* (RTP Header) + (NALU without Start Code)
* 2. NALU length larger than MTU:
* (RTP Header) + (FU Indicator) + (FU Header) + (NALU Slice)
* + (FU Indicator) + (FU Header) + (NALU Slice)
* + ...
*
* inbuffer--NALU: 00 00 00 01 1 Byte XX XX XX
* | Start Code| |NALU Header| |NALU D
* RTP Packet:
* 1. NALU length small than 1460-sizeof(RTP header):
* (RTP Header) + (NALU without Start Code)
* 2. NALU length larger than MTU:
* (RTP Header) + (FU Indicator) + (FU Header) + (NALU Slice)
* + (FU Indicator) + (FU Header) + (NALU Slice)
* + ...
*
* inbuffer--NALU: 00 00 00 01 1 Byte XX XX XX
* | Start Code| |NALU Header| |NALU D