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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> live-devel-bounces@ns.live555.com [mailto:live-devel-bounces@ns.live555.com] <b>On Behalf Of </b>Ross Finlayson<br><b>Sent:</b> Wednesday, December 14, 2011 12:35 PM<br><b>To:</b> LIVE555 Streaming Media - development & use<br><b>Subject:</b> Re: [Live-devel] mpeg2transportstreamfromessource<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>OK. I may be set for version 4<span class=apple-converted-space> </span></span><span style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>L</span><span style='font-size:11.0pt;font-family:Wingdings'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>>>Sorry. It was in response to the possibility of setting the mpegVersion to 5. <o:p></o:p></span></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>WTF is that supposed to mean? If you want people to help you, you're going to have to learn to write coherently.<o:p></o:p></p></div><div><p class=MsoNormal><br><br><o:p></o:p></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:11.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>My current arch has “subscribers” some subscribers restream, some write to disk, this one is gonna HTTP live stream and the next will be RTMP. I would rather only do the descriteFraming once.</span></span><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>Ditto.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span class=apple-style-span><span style='font-size:11.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>But if I do pas the data in full frames, will it still work? </span></span><o:p></o:p></p></blockquote><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Yes, probably, provided that the receivers can decode this OK. (A Transport Stream is just that - a container for 'transporting' data, in any form.)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>However, you will need to prepend each H.264 frame with 0x00 0x00 0x00 0x01 (if those 4 bytes are not already there).<o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>>> all NALs have the frame headers (avcodec would not decode them without it)<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span class=apple-style-span><span style='font-size:11.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>I may have no choice, I do need to know when each GOP starts. I was hoping that the beginning of payload plus the first 4 bytes of payload could give me that.</span><o:p></o:p></span></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Looking at the bytes I do see 00 00 01 EO in a good exported .ts stream and I do not see that in the bad one. Almost like the H264 stream is inside a MPEG4 stream???</span><o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>Perhaps you're not looking at a proper H.264-in-Transport-Stream file? If you want to see a good one, look at <o:p></o:p></p></div><div><p class=MsoNormal><span class=apple-tab-span> </span><a href="http://www.live555.com/liveMedia/public/h264-in-mp2t/">http://www.live555.com/liveMedia/public/h264-in-mp2t/</a><o:p></o:p></p></div><div><p class=MsoNormal>(BTW, the file there ("bipbop-gear1-all.ts"), along with its index file, can also be used to test HTTP LIve Streaming.)<o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>>> that is exactly the “good” file I was comparing and it is obvious now that it has PES headers and mine does not.<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>How about this</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>ESSource->MPEG2TransportStreamMultiplexor->MPEG2TransportStreamFromPESsource->mySink</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Instead of</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>ESSource->MPEG2TransportStreamFromESsource->mySink</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Is that what is needed?</span><o:p></o:p></p></div></div></blockquote><div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>No! Note that "MPEG2TransportStreamFromPESSource" is a subclass of "MPEG2TransportStreamMultiplexor".</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><span class=apple-style-span><span style='font-size:11.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>I've already told you what you need to do: </span></span>Feed your encoded H.264 data directly to a "MPEG2TransportStreamFromESSource", by calling "MPEG2TransportStreamFromESSource::addNewVideoSource()", with "mpegVersion" == 5.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>(Also, make sure that your H.264 data source generates proper presentation times for each generated frame - by setting "fPresentationTime" properly.)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>But, as I noted above, you may need to prepend each H.264 frame with 0x00 0x00 0x00 0x01 before feeding it to the "MPEG2TransportStreamFromESSource"<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>(Sigh... You're much too 'high maintenance' for my taste :-)<o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>>>Ross. I did all that was instructed before the first email to the list. I thought I explained the problem clearly that the .ts resulting file was not playable. I continued to work on it, guessing at options finally discovering that the PES headers are not in there. Sorry if I was not clear in that first email. Just getting nervous as my deadline approaches. </span><span style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for confirming my initial code was the correct architecture. I will debug and check the fPresentationTime variable. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Is there anything that can cause MPEG2TransportStreamFromESSource to disable the PES headers?<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>Ross Finlayson</span></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'><br><span class=apple-style-span>Live Networks, Inc.</span><br><span class=apple-style-span><a href="http://www.live555.com/">http://www.live555.com/</a></span></span> <o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=1 width="100%" noshade style='color:#A0A0A0' align=center></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>No virus found in this message.<br>Checked by AVG - <a href="http://www.avg.com">www.avg.com</a><br>Version: 2012.0.1890 / Virus Database: 2108/4680 - Release Date: 12/14/11<o:p></o:p></p></div></body></html>