<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><blockquote type="cite"><div dir="ltr"><div><div><div>Unfortunately i can't share my Transport Stream due to same confidential reason.<br></div></div></div></div></blockquote><div><br></div>Perhaps it's the same "confidential reason" why you use an unprofessional email address :-)</div><div><br></div><div>It's hard to debug a problem if you won't provide an example of a file that illustrates the problem. Especially since this software is being provided 'for free'.</div><div><br></div><div>Fortunately, however, Warren Young sent me examples of some other files that have the same problem.</div><div><br></div><div>I found that the problem (for our indexing software) with these files is that some of the (188-byte) Transport Packets have the "payload_unit_start_indicator" flag set, but the payload (after the 'adaptation field') does not begin a PES packet (i.e., does not begin with 0x00 0x00 0x01).</div><div><div><br></div><div>A QUESTION FOR MPEG TRANSPORT STREAM EXPERTS:</div><div>Do you know why this is happening? I.e., what are these non-PES packet payloads, if the "payload_unit_start_indicator" flag is set?</div><div><br></div></div><div>(I could easily modify our indexing software to ignore payloads (when the "payload_unit_start_indicator" flag is set) that don't start with 0x00 0x00 0x01. However, I'm afraid that if I did this, I might be missing out on some legitimate PES packet headers that start elsewhere within the payload. I.e., I'd prefer to understand exactly what these non-PES packet payloads are.</div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">Ross Finlayson<br>Live Networks, Inc.<br><a href="http://www.live555.com/">http://www.live555.com/</a></span></span>
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