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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi Ross,<o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>>><i> On further examination of my encoded frame data, it looks like an I-frame consists of 3 NAL units, each preceded by 00 00 00 01, the first NALU is 17 bytes long, the second NALU is 9 bytes long, and the 3rd NALU is the rest of the frame size. Each P-frame is just one NALU.<o:p></o:p></i></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>>><i> My code is now using H264VideoStreamDiscreteFramer and sending each NAL unit one by one. So each I-Frame is sent with 3 calls to afterGetting(this).<o:p></o:p></i></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>>You can do this only if each call to "afterGetting(this)" corresponds to exactly one earlier call to "doGetNextFrame()". I.e., you *must not* call "afterGetting(this)" more than once for each call to "doGetNextFrame()".<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>>I.e, if you want to deliver these three NAL units - one at a time - to the downstream object (in this case, a "H264VideoStreamDiscreteFramer"), then you must really do so 'one at a time'. Each call to "doGetNextFrame()" must be followed by one (and only one) data delivery, followed by a call to "FramedSource::afterGetting()".<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>>If you do this properly, though, then this should produce a proper RTSP/RTP stream. (However, I suggest that you test this first with "openRTSP", rather than VLC.)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Ok, understood. How do I get these extra calls to doGetNextFrame()? Currently I’m getting one call to doGetNextFrame(), but I’m then sending all three NAL units for the frame which, as you say, doesn’t produce a decent stream. - David <o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>