<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">Is there a way to open only the video stream from a source when proxying an RTSP stream? That is, my source has both video and audio but I want to proxy only video and avoid the "backend" audio traffic overhead as I am not interested on audio.<br clear="all"></div></blockquote></div><br><div>You should try the following, in order:</div><div>1/ Check whether you can reconfigure your back-end RTSP server to stream only video.</div><div>2/ Check whether you can use the 'back-end' "rtsp://" URL (that you give to your proxy) to request that your back-end RTSP server stream only video, using the "a=control:" string specified in the SDP description. E.g., using your example, try to proxy the "rtsp://" URL:</div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="rtsp://root:root@192.168.0.74/axis-media/media.amp/trackID=1">rtsp://root:root@192.168.0.74/axis-media/media.amp/trackID=1</a></div><div>(Note that this probably won't work, but is worth trying, just in case.)</div><div>3/ (If neither 1 nor 2 works): Modify the code for the function "ProxyServerMediaSession::continueAfterDESCRIBE()", adding the following statement at line 117:</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>if (strcmp(mss->mediumName(), "video") != 0) continue;</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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