--- /dev/null
+diff -ruN live.orig/liveMedia/MediaSession.cpp live/liveMedia/MediaSession.cpp
+--- live.orig/liveMedia/MediaSession.cpp 2007-01-17 21:44:26.000000000 +0100
++++ live/liveMedia/MediaSession.cpp 2007-01-22 22:17:54.000000000 +0100
+@@ -61,7 +61,7 @@
+ MediaSession::MediaSession(UsageEnvironment& env)
+ : Medium(env),
+ fSubsessionsHead(NULL), fSubsessionsTail(NULL),
+- fConnectionEndpointName(NULL), fMaxPlayEndTime(0.0f),
++ fConnectionEndpointName(NULL), fMaxPlayStartTime(0.0f), fMaxPlayEndTime(0.0f),
+ fScale(1.0f), fMediaSessionType(NULL), fSessionName(NULL), fSessionDescription(NULL) {
+ #ifdef SUPPORT_REAL_RTSP
+ RealInitSDPAttributes(this);
+@@ -348,8 +348,8 @@
+ return parseSuccess;
+ }
+
+-static Boolean parseRangeAttribute(char const* sdpLine, float& endTime) {
+- return sscanf(sdpLine, "a=range: npt = %*g - %g", &endTime) == 1;
++static Boolean parseRangeAttribute(char const* sdpLine, float& startTime, float& endTime) {
++ return sscanf(sdpLine, "a=range: npt = %g - %g", &startTime, &endTime) == 2;
+ }
+
+ Boolean MediaSession::parseSDPAttribute_range(char const* sdpLine) {
+@@ -357,9 +357,13 @@
+ // (Later handle other kinds of "a=range" attributes also???#####)
+ Boolean parseSuccess = False;
+
++ float playStartTime;
+ float playEndTime;
+- if (parseRangeAttribute(sdpLine, playEndTime)) {
++ if (parseRangeAttribute(sdpLine, playStartTime, playEndTime)) {
+ parseSuccess = True;
++ if (playStartTime != fMaxPlayStartTime && playStartTime >= 0.0f) {
++ fMaxPlayStartTime = playStartTime;
++ }
+ if (playEndTime > fMaxPlayEndTime) {
+ fMaxPlayEndTime = playEndTime;
+ }
+@@ -526,7 +530,7 @@
+ fSizelength(0), fStreamstateindication(0), fStreamtype(0),
+ fCpresent(False), fRandomaccessindication(False),
+ fConfig(NULL), fMode(NULL), fSpropParameterSets(NULL),
+- fPlayEndTime(0.0),
++ fPlayStartTime(0.0), fPlayEndTime(0.0),
+ fVideoWidth(0), fVideoHeight(0), fVideoFPS(0), fNumChannels(1), fScale(1.0f),
+ fRTPSocket(NULL), fRTCPSocket(NULL),
+ fRTPSource(NULL), fRTCPInstance(NULL), fReadSource(NULL) {
+@@ -548,6 +552,12 @@
+ #endif
+ }
+
++float MediaSubsession::playStartTime() const {
++ if (fPlayStartTime > 0) return fPlayStartTime;
++
++ return fParent.playStartTime();
++}
++
+ float MediaSubsession::playEndTime() const {
+ if (fPlayEndTime > 0) return fPlayEndTime;
+
+@@ -967,9 +977,16 @@
+ // (Later handle other kinds of "a=range" attributes also???#####)
+ Boolean parseSuccess = False;
+
++ float playStartTime;
+ float playEndTime;
+- if (parseRangeAttribute(sdpLine, playEndTime)) {
++ if (parseRangeAttribute(sdpLine, playStartTime, playEndTime)) {
+ parseSuccess = True;
++ if (playStartTime != fPlayStartTime && playStartTime >= 0.0f ) {
++ fPlayStartTime = playStartTime;
++ if (playStartTime != fParent.playStartTime()) {
++ fParent.playStartTime() = playStartTime;
++ }
++ }
+ if (playEndTime > fPlayEndTime) {
+ fPlayEndTime = playEndTime;
+ if (playEndTime > fParent.playEndTime()) {
+diff -ruN live.orig/liveMedia/RTSPClient.cpp live/liveMedia/RTSPClient.cpp
+--- live.orig/liveMedia/RTSPClient.cpp 2007-01-22 22:17:46.000000000 +0100
++++ live/liveMedia/RTSPClient.cpp 2007-01-22 22:21:12.000000000 +0100
+@@ -1128,7 +1128,8 @@
+
+ nextLineStart = getLine(lineStart);
+
+- if (parseScaleHeader(lineStart, session.scale())) break;
++ if( parseScaleHeader(lineStart, session.scale())) continue;
++ if( parseRangeHeader(lineStart, session.playStartTime(), session.playEndTime()) ) continue;
+ }
+
+ if (fTCPStreamIdCount == 0) { // we're not receiving RTP-over-TCP
+@@ -1229,6 +1230,7 @@
+ continue;
+ }
+ if (parseScaleHeader(lineStart, subsession.scale())) continue;
++ //if (parseRangeHeader(lineStart, subsession.playStartTime(), subsession.playEndTime())) continue;
+ }
+
+ delete[] cmd;
+@@ -2287,6 +2289,14 @@
+ return radix_safe_sscanf(line, "%f", &scale) == 1;
+ }
+
++Boolean RTSPClient::parseRangeHeader(char const* line, float& start, float& end) {
++ if (_strncasecmp(line, "Range: ", 7) != 0) return False;
++ line += 7;
++
++ /* "npt=start-" is also valid */
++ return radix_safe_sscanf(line, "npt = %f - %f", &start, &end) >= 1;
++}
++
+ Boolean RTSPClient::parseGetParameterHeader(char const* line,
+ const char* param,
+ char*& value) {
+diff -ruN live.orig/liveMedia/include/MediaSession.hh live/liveMedia/include/MediaSession.hh
+--- live.orig/liveMedia/include/MediaSession.hh 2007-01-17 21:44:26.000000000 +0100
++++ live/liveMedia/include/MediaSession.hh 2007-01-22 22:20:30.000000000 +0100
+@@ -39,6 +39,7 @@
+ MediaSession*& resultSession);
+
+ Boolean hasSubsessions() const { return fSubsessionsHead != NULL; }
++ float& playStartTime() { return fMaxPlayStartTime; }
+ float& playEndTime() { return fMaxPlayEndTime; }
+ char* connectionEndpointName() const { return fConnectionEndpointName; }
+ char const* CNAME() const { return fCNAME; }
+@@ -97,6 +98,7 @@
+
+ // Fields set from a SDP description:
+ char* fConnectionEndpointName;
++ float fMaxPlayStartTime;
+ float fMaxPlayEndTime;
+ struct in_addr fSourceFilterAddr; // used for SSM
+ float fScale; // set from a RTSP "Scale:" header
+@@ -147,6 +149,7 @@
+ // This is the source that client sinks read from. It is usually
+ // (but not necessarily) the same as "rtpSource()"
+
++ float playStartTime() const;
+ float playEndTime() const;
+
+ Boolean initiate(int useSpecialRTPoffset = -1);
+@@ -268,6 +271,7 @@
+ Boolean fCpresent, fRandomaccessindication;
+ char *fConfig, *fMode, *fSpropParameterSets;
+
++ float fPlayStartTime;
+ float fPlayEndTime;
+ unsigned short fVideoWidth, fVideoHeight;
+ // screen dimensions (set by an optional a=x-dimensions: <w>,<h> line)
+diff -ruN live.orig/liveMedia/include/RTSPClient.hh live/liveMedia/include/RTSPClient.hh
+--- live.orig/liveMedia/include/RTSPClient.hh 2007-01-17 21:44:26.000000000 +0100
++++ live/liveMedia/include/RTSPClient.hh 2007-01-22 22:17:54.000000000 +0100
+@@ -185,6 +185,7 @@
+ Boolean parseRTPInfoHeader(char const* line, unsigned& trackId,
+ u_int16_t& seqNum, u_int32_t& timestamp);
+ Boolean parseScaleHeader(char const* line, float& scale);
++ Boolean parseRangeHeader(char const* line, float& start, float& end);
+ Boolean parseGetParameterHeader(char const* line,
+ const char* param,
+ char*& value);