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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>My createNewStreamSource code is like this:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>{<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>estBitrate = 64;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>return new AudioFramedSource(envir(),”test”);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>And the AudioFrameSource main code is like this:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>void AudioFrameSource::doGetNextFrame()<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>{<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'> CamerManager::GetInstance()->GetAudioFrame(“test”,(char*)fTo,fMaxSize,&fFrameSize,&fNumTruncatedBytes);<o:p></o:p></span></p><p class=MsoNormal style='text-indent:9.0pt'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>fPresentationTime.tv_sec=usec/1000;<o:p></o:p></span></p><p class=MsoNormal style='text-indent:9.0pt'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>fPresentationTime.tv_usec = usec%1000;<o:p></o:p></span></p><p class=MsoNormal style='text-indent:9.0pt'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>usec+=200;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'> nextTask()=envir().taskScheduler().scheduleDelayedTask(0,(TaskFunc*)FramedSource::afterGetting,this);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>But even if I add the fPresentationTime, vlc still can’t play it. But the mplayer can play.<o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt'>发件人<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:10.0pt'> <a href="mailto:live-devel-bounces@ns.live555.com">live-devel-bounces@ns.live555.com</a> <a href="mailto:[mailto:live-devel-bounces@ns.live555.com]">[mailto:live-devel-bounces@ns.live555.com]</a> </span><b><span style='font-size:10.0pt'>代表 </span></b><span lang=EN-US style='font-size:10.0pt'>Ross Finlayson<br></span><b><span style='font-size:10.0pt'>发送时间<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:10.0pt'> 2012</span><span style='font-size:10.0pt'>年<span lang=EN-US>9</span>月<span lang=EN-US>13</span>日<span lang=EN-US> 17:34<br></span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> LIVE555 Streaming Media - development & use<br></span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Re: [Live-devel] regardint every rtp packet's timestamp is same<o:p></o:p></span></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>I used live555 to stream g711, My code is like this:<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>RTPSink* AudioOnDemandMediaSubsession::createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* inputSource)<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>{<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'> char const* mimeType=”PCMU”;<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'> unsigned char payloadFormatCode=0;<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;text-indent:21.0pt'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>int sampleFrequency = 8000;<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;text-indent:21.0pt'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>unsigned int numChannels = 1;<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;text-indent:21.0pt'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>return SimpleRTPSink::Create(envir(),rtpGroupsock,payloadFormatCode,sampleFrequency,”audio”,mimeType,numChannels);<o:p></o:p></span></p><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>}<o:p></o:p></span></p></div></blockquote><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><p class=MsoNormal><span lang=EN-US>This looks OK. But what about your "createNewStreamSource()" implementation??<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><br><br><o:p></o:p></span></p><div><p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif"'>In another side, I use VLC to access, but I found that every rtp packet’s timestamp is same.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>That's probably because you are not setting "fPresentationTime" correctly in your input source class - i.e., the class that encapsulates your G.711 audio source. You haven't said anything about this...<o:p></o:p></span></p><div><p class=MsoNormal><span class=apple-style-span><span lang=EN-US style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>Ross Finlayson</span></span><span lang=EN-US style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'><br><span class=apple-style-span>Live Networks, Inc.</span><br></span><span lang=EN-US><a href="http://www.live555.com/"><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'>http://www.live555.com/</span></a> <o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>