char const* MulticastServerMediaSubsession::sdpLines() 
{
	if (m_SDPLines.empty())
	{
		// Ugly workaround to give SPS/PPS that are get from the RTPSink 
		m_SDPLines.assign(PassiveServerMediaSubsession::sdpLines());
		m_SDPLines.append(getAuxSDPLine(m_rtpSink,NULL));
	}
	return m_SDPLines.c_str();
}
void OnDemandServerMediaSubsession
::setSDPLinesFromRTPSink(RTPSink* rtpSink, FramedSource* inputSource, unsigned estBitrate) {
  if (rtpSink == NULL) return;

liveLogInfo(" OnDemandServerMediaSubsession::setSDPLinesFromRTPSink  \n");

  char const* mediaType = rtpSink->sdpMediaType();
  unsigned char rtpPayloadType = rtpSink->rtpPayloadType();
  AddressString ipAddressStr(fServerAddressForSDP);
  char* rtpmapLine = rtpSink->rtpmapLine();
  char const* rtcpmuxLine = fMultiplexRTCPWithRTP ? "a=rtcp-mux\r\n" : "";
  char const* rangeLine = rangeSDPLine();
  char const* auxSDPLine = getAuxSDPLine(rtpSink, inputSource);
  if (auxSDPLine == NULL) auxSDPLine = "";

  char const* const sdpFmt =
    "m=%s %u RTP/AVP %d\r\n"
    "c=IN IP4 %s\r\n"
    "b=AS:%u\r\n"
    "%s"
    "%s"
    "%s"
    "%s"
    "a=control:%s\r\n";
  unsigned sdpFmtSize = strlen(sdpFmt)
    + strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
    + strlen(ipAddressStr.val())
    + 20 /* max int len */
    + strlen(rtpmapLine)
    + strlen(rtcpmuxLine)
    + strlen(rangeLine)
    + strlen(auxSDPLine)
    + strlen(trackId());
  char* sdpLines = new char[sdpFmtSize];
  sprintf(sdpLines, sdpFmt,
	  mediaType, // m= <media>
	  fPortNumForSDP, // m= <port>
	  rtpPayloadType, // m= <fmt list>
	  ipAddressStr.val(), // c= address
	  estBitrate, // b=AS:<bandwidth>
	  rtpmapLine, // a=rtpmap:... (if present)
	  rtcpmuxLine, // a=rtcp-mux:... (if present)
	  rangeLine, // a=range:... (if present)
	  auxSDPLine, // optional extra SDP line
	  trackId()); // a=control:<track-id>
  delete[] (char*)rangeLine; delete[] rtpmapLine;

  fSDPLines = strDup(sdpLines);
  delete[] sdpLines;
}
void OnDemandServerMediaSubsession
::setSDPLinesFromRTPSink(RTPSink* rtpSink, FramedSource* inputSource,
			 unsigned estBitrate) {
  if (rtpSink == NULL) return;

  char const* mediaType = rtpSink->sdpMediaType();
  unsigned char rtpPayloadType = rtpSink->rtpPayloadType();
  struct in_addr serverAddrForSDP; serverAddrForSDP.s_addr = fServerAddressForSDP;
  char* const ipAddressStr = strDup(our_inet_ntoa(serverAddrForSDP));
  char* rtpmapLine = rtpSink->rtpmapLine();
  char const* rangeLine = rangeSDPLine();
  char const* auxSDPLine = getAuxSDPLine(rtpSink, inputSource);
  if (auxSDPLine == NULL) auxSDPLine = "";

  char const* const sdpFmt =
    "m=%s %u RTP/AVP %d\r\n"
    "c=IN IP4 %s\r\n"
    "b=AS:%u\r\n"
    "%s"
    "%s"
    "%s"
    "a=control:%s\r\n";
  unsigned sdpFmtSize = strlen(sdpFmt)
    + strlen(mediaType) + 5 /* max short len */ + 3 /* max char len */
    + strlen(ipAddressStr)
    + 20 /* max int len */
    + strlen(rtpmapLine)
    + strlen(rangeLine)
    + strlen(auxSDPLine)
    + strlen(trackId());
  char* sdpLines = new char[sdpFmtSize];
  sprintf(sdpLines, sdpFmt,
	  mediaType, // m= <media>
	  fPortNumForSDP, // m= <port>
	  rtpPayloadType, // m= <fmt list>
	  ipAddressStr, // c= address
	  estBitrate, // b=AS:<bandwidth>
	  rtpmapLine, // a=rtpmap:... (if present)
	  rangeLine, // a=range:... (if present)
	  auxSDPLine, // optional extra SDP line
	  trackId()); // a=control:<track-id>
  delete[] (char*)rangeLine; delete[] rtpmapLine; delete[] ipAddressStr;

  fSDPLines = strDup(sdpLines);
  DEBUG_LOG(INF, "fSDPLines: %s", fSDPLines);
  delete[] sdpLines;
}