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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi, I don’t think I’m handling multiple client connections properly in my camera’s live rtsp server.<o:p></o:p></p><p class=MsoNormal>My camera has multiple streams and I derive a class from FramedSource for each of my substreams, the constructor looks like this:-<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>StreamSource::StreamSource(UsageEnvironment &env,streamSubStream_t *substream) : <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> FramedSource(env), m_substream(substream)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>{<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> FUNCTION_TRACE;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> substream->source = this;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> m_listsources.push_back(this);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> ++referenceCount;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> if (eventTriggerId == 0)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> eventTriggerId = envir().taskScheduler().createEventTrigger(deliverFrame0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> m_BufferOffset = 0;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> m_NalIndex = 0;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> INFO("StreamSource constructor, this=0x%p, ref count =%d, StreamIndex = %d\r\n",<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> this, referenceCount, substream->iStreamNo);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>}<o:p></o:p></span></p><p class=MsoNormal>So I’m saving a pointer to the source in a parameter I pass in. The trouble is, I think, when a second client connects to the same stream, another instance of the class is created, and this pointer gets overwritten with the latest instance. Then, when I need to trigger the event when I have a NAL unit to send, I call this function:-<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>void signalNewFrameData(StreamSource* source) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> TaskScheduler* ourScheduler = &(source->envir().taskScheduler()); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> StreamSource* ourDevice = source; <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> if (ourScheduler != NULL)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> { // sanity check<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> TRACE("About to trigger Deliver event\r\n");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> ourScheduler->triggerEvent(StreamSource::eventTriggerId, ourDevice);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>}<o:p></o:p></span></p><p class=MsoNormal>I only seem to call this function for the last source on this substream. I’ve inherited a lot of this code but do I need to trigger the event for all sources connected or am I totally misunderstanding this mechanism?<o:p></o:p></p><p class=MsoNormal>Thanks - David<o:p></o:p></p></div></body></html>