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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link="#0563C1" vlink="#954F72" style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal align=left style='text-align:left'><b><span style='font-size:11.0pt;font-family:"微软雅黑","sans-serif"'>发件人<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:"微软雅黑","sans-serif"'> Xuan [mailto:lkxkfl@hotmail.com] <br></span><b><span style='font-size:11.0pt;font-family:"微软雅黑","sans-serif"'>发送时间<span lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:11.0pt;font-family:"微软雅黑","sans-serif"'> 2014</span><span style='font-size:11.0pt;font-family:"微软雅黑","sans-serif"'>年<span lang=EN-US>7</span>月<span lang=EN-US>23</span>日<span lang=EN-US> 23:01<br></span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> live-devel@lists.live555.com<br></span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> How to combine live H.264 source and AAC source<o:p></o:p></span></span></p></div></div><p class=MsoNormal align=left style='text-align:left'><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'> I am working on a testing program based on live555. In my program, I use a thread to capture video frames by webcam, and another thread to capture audio frames. In each thread, both video and audio frames are encoded with ffmpeg. Then I use a third thread to stream one of them. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'> My problem is that streaming either of them is Ok, but how can I stream them together? If I do like this in a thread:<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>sms->addSubsession(PassiveServerMediaSubsession::createNew(*vSink, rtcp));<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>sms->addSubsession(PassiveServerMediaSubsession::createNew(*aSink, audioRtcp));<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>rtspServer->addServerMediaSession(sms);<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>H264RealTimeStreamSource* naluSource = H264RealTimeStreamSource::createNew(*env_live,&pThis->videoCList2,frame_rate);<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>h264Source = H264VideoStreamDiscreteFramer::createNew(*env_live, naluSource);<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>adtsSource = ADTSRealTimeStreamSource::createNew(*env_live,&pThis->audioCList,1,44100,2,NULL);<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>pThis->startVideoLive = vSink->startPlaying(*h264Source, afterPlayingLiveH264, NULL);<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left;text-indent:21.0pt;text-autospace:none'><span lang=EN-US style='font-family:新宋体;background:silver;mso-highlight:silver'>pThis->startAudioLive = aSink->startPlaying(*adtsSource, afterPlayingLiveAAC, NULL);</span><span lang=EN-US style='font-family:新宋体'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>I can only receive video frames with VLC player, and also timestamp of VLC player is rather unstable.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>Could I do anything wrong, or maybe I should stream h.264 and aac in different thread rather than in one thread at the same time?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you a lot. Looking forward for reply!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Xuan<o:p></o:p></span></p></div></body></html>