[Live-devel] [PATCH] RTSPClient: resend dummy packets when sending a per-track PLAY command

[Gilles Chanteperdrix]

---
 liveMedia/RTSPClient.cpp |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/liveMedia/RTSPClient.cpp b/liveMedia/RTSPClient.cpp
index 77efefd..3e0a42a 100644
--- a/liveMedia/RTSPClient.cpp
+++ b/liveMedia/RTSPClient.cpp
@@ -74,6 +74,15 @@ unsigned RTSPClient::sendPlayCommand(MediaSession& session, responseHandler* res
 unsigned RTSPClient::sendPlayCommand(MediaSubsession& subsession, responseHandler* responseHandler,
                                      double start, double end, float scale,
                                      Authenticator* authenticator) {
+      Groupsock* gs1 = NULL; Groupsock* gs2 = NULL;
+      if (subsession.rtpSource() != NULL) gs1 = subsession.rtpSource()->RTPgs();
+      if (subsession.rtcpInstance() != NULL) gs2 = subsession.rtcpInstance()->RTCPgs();
+      u_int32_t const dummy = 0xFEEDFACE;
+      unsigned const numDummyPackets = 2;
+      for (unsigned i = 0; i < numDummyPackets; ++i) {
+	if (gs1 != NULL) gs1->output(envir(), 255, (unsigned char*)&dummy, sizeof dummy);
+	if (gs2 != NULL) gs2->output(envir(), 255, (unsigned char*)&dummy, sizeof dummy);
+      }
   if (authenticator != NULL) fCurrentAuthenticator = *authenticator;
   return sendRequest(new RequestRecord(++fCSeq, "PLAY", responseHandler, NULL, &subsession, 0, start, end, scale));
 }
-- 
1.7.10.4