<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><blockquote type="cite"><div> framer = H264VideoStreamFramer::createNew<br> (*env, subsession->readSource (), True/*includeStartCodeInOutput*/);<br><br> MPEG2TransportStreamFromESSource* tsFrames =<br> MPEG2TransportStreamFromESSource::createNew (*env);<br> tsFrames->addNewVideoSource(framer, 5/*mpegVersion: H.264*/);<br></div></blockquote><div><br></div></div>Your problem here is your use of "H264VideoStreamFramer". That class is intended to be used when reading from a *byte stream* that contains a sequence of H.264 NAL units - e.g., from a file. That's why it's used in the "testH264VideoToTransportStream" demo application, whose code you used as a model.<div><br></div><div>Unfortunately, because you are using a RTSP/RTP client, the input source is *not* a byte stream. Instead, it is a sequence of discrete H.264 NAL units - one at a time. Because of this, the data from your RTSP/RTP stream - i.e., "subsession->readSource()" - should *not* be fed into a "H264VideoStreamFramer".</div><div><br></div><div>Instead, *in principle*, you could just feed "subsession->readSource()" directly into your "MPEG2TransportStreamFromESSource" (via the "addNewVideoSource()" call). Unfortunately, however, there's a problem with this: The H.264 NAL units that come from the RTP source (i.e., from "subsession->readSource()") do not have a 4-byte 'start code' (i.e., 0x00 0x00 0x00 0x01) at the front, but that data that you feed into a "MPEG2TransportStreamFromESSource" needs to have these start codes.</div><div><br></div><div>Therefore, you will need to write your own subclass of "FramedFilter" that adds a 4-byte 'start code' to each input frame, and use an instance of this class - instead of "H264VideoStreamFramer" - in front of "subsession->readSource()".</div><br><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; font-size: medium; "><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; font-size: medium; ">Ross Finlayson<br>Live Networks, Inc.<br><a href="http://www.live555.com/">http://www.live555.com/</a></span></span>
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