char const*
PassiveServerMediaSubsession::sdpLines() {
if (fSDPLines == NULL ) {
// Construct a set of SDP lines that describe this subsession:
// Use the components from "rtpSink":
Groupsock const& gs = fRTPSink.groupsockBeingUsed();
AddressString groupAddressStr(gs.groupAddress());
unsigned short portNum = ntohs(gs.port().num());
unsigned char ttl = gs.ttl();
unsigned char rtpPayloadType = fRTPSink.rtpPayloadType();
char const* mediaType = fRTPSink.sdpMediaType();
unsigned estBitrate
= fRTCPInstance == NULL ? 50 : fRTCPInstance->totSessionBW();
char* rtpmapLine = fRTPSink.rtpmapLine();
char const* rtcpmuxLine = rtcpIsMuxed() ? "a=rtcp-mux\r\n" : "";
char const* rangeLine = rangeSDPLine();
char const* auxSDPLine = fRTPSink.auxSDPLine();
if (auxSDPLine == NULL) auxSDPLine = "";
char const* const sdpFmt =
"m=%s %d RTP/AVP %d\r\n"
"c=IN IP4 %s/%d\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(groupAddressStr.val()) + 3 /* max char len */
+ 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>
portNum, // m= <port>
rtpPayloadType, // m= <fmt list>
groupAddressStr.val(), // c= <connection address>
ttl, // c= TTL
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;
}
return fSDPLines;
}
char const*
PassiveServerMediaSubsession::sdpLines() {
if (fSDPLines == NULL ) {
// Construct a set of SDP lines that describe this subsession:
// Use the components from "rtpSink":
Groupsock const& gs = fRTPSink.groupsockBeingUsed();
struct in_addr const& ipAddress = gs.groupAddress();
unsigned short portNum = ntohs(gs.port().num());
unsigned char ttl = gs.ttl();
unsigned char rtpPayloadType = fRTPSink.rtpPayloadType();
char const* mediaType = fRTPSink.sdpMediaType();
char* rtpmapLine = fRTPSink.rtpmapLine();
char const* rangeLine = rangeSDPLine();
char const* auxSDPLine = fRTPSink.auxSDPLine();
if (auxSDPLine == NULL) auxSDPLine = "";
char* const ipAddressStr = strDup(our_inet_ntoa(ipAddress));
char const* const sdpFmt =
"m=%s %d RTP/AVP %d\r\n"
"c=IN IP4 %s/%d\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) + 3 /* max char len */
+ strlen(rtpmapLine)
+ strlen(rangeLine)
+ strlen(auxSDPLine)
+ strlen(trackId());
char* sdpLines = new char[sdpFmtSize];
sprintf(sdpLines, sdpFmt,
mediaType, // m= <media>
portNum, // m= <port>
rtpPayloadType, // m= <fmt list>
ipAddressStr, // c= <connection address>
ttl, // c= TTL
rtpmapLine, // a=rtpmap:... (if present)
rangeLine, // a=range:... (if present)
auxSDPLine, // optional extra SDP line
trackId()); // a=control:<track-id>
delete[] ipAddressStr; delete[] (char*)rangeLine; delete[] rtpmapLine;
fSDPLines = strDup(sdpLines);
delete[] sdpLines;
}
return fSDPLines;
}
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;
}
char const*
H264MediaSubsession::sdpLines() {
if (fSDPLines == NULL) {
AddressString ipAddressStr(fServerAddressForSDP);
const char* rtpmapLine = "a=rtpmap:96 H264/90000\r\n";
char const* rangeLine = rangeSDPLine();
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.val())
+ 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.val(), // c= address
m_Watcher->GetVideoBitrate(), // 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;
fSDPLines = strDup(sdpLines);
delete[] sdpLines;
}
return fSDPLines;
}
