<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Thanks Ross,<div>I'm now generating the header with the proper visual object sequence start code and supporting information.</div><div>000001B003000001B509000001000000012000C8888007D05841214103</div><div><br></div><div>Can I send this information into the MPEG4VideoStreamDiscreteFramer and/or MPEG4VideoStreamFramer without the next frame info and data? Or must they be sent together for the first frame to initialize things?</div><div><br></div><div>Also, I wanted to know, can the MPEG4VideoStreamDiscreteFramer and MPEG4VideoStreamFramer function without the group of VOP start code (000001B3xxxxxx)? This is defined as optional in the mpeg4 standard.</div><div><br></div><div>Thanks</div><div><div><div apple-content-edited="true"> <div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Austin</div></div> </div><br><div><div>On Mar 3, 2009, at 11:13 PM, Ross Finlayson wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><blockquote type="cite">Hello All,<br></blockquote><blockquote type="cite">I having some difficulty getting samples from a live source (QTCaptureSession) into MPEG4VideoStreamDiscreteFramer via a DeviceSource.cpp.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">The live data does not contain any 000001B3xxx000001B6..... (group of vop start code) or 000001B0.... (visual object sequence start code). The only header info in the stream is the 000001B6...... the vop start code.<br></blockquote><br>Then it appears that your data is not standards compliant (or perhaps, not regular MPEG-4 Video data at all). Are you sure that it's not something else (e.g., not H.264)?<br><br><blockquote type="cite"><br></blockquote><blockquote type="cite">Can you tell me if the MPEG4VideoStreamDiscreteFramer or MPEG4VideoStreamFramer can be used with this type of live source?<br></blockquote><br>No.<br>-- <br><br>Ross Finlayson<br>Live Networks, Inc.<br><a href="http://www.live555.com/">http://www.live555.com/</a><br>_______________________________________________<br>live-devel mailing list<br><a href="mailto:live-devel@lists.live555.com">live-devel@lists.live555.com</a><br>http://lists.live555.com/mailman/listinfo/live-devel<br></div></blockquote></div><br></div></div></body></html>