<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div><blockquote type="cite" class=""><div class=""><div style="font-size:10pt; font-family:Gulim;" class=""><p class="">I recorded a stream from camera by using openrtsp like this</p><p class="">openrtsp -4 -F test -P 120 <a href="rtsp://admin:4321@192.168.1.121/profile2/media.smp" class="">rtsp://admin:4321@192.168.1.121/profile2/media.smp</a></p><div class=""> <br class="webkit-block-placeholder"></div><p class="">then </p><p class="">test-00000-00120.mp4 file is created .</p><p class="">i expected the play time would be 120 seconds </p><p class="">but was 136 seconds .</p><div class=""><br class=""></div></div></div></blockquote><div><br class=""></div>The problem is that you didn’t specify the frame rate, so “openRTSP” assumed a default frame rate of 15 fps. You need to use the "-w <width>", "-h <height>" and "-f <frame-rate>” options; see <a href="http://www.live555.com/openRTSP/#quicktime" class="">http://www.live555.com/openRTSP/#quicktime</a></div><br class=""><div apple-content-edited="true" class="">
<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 class="">Live Networks, Inc.<br class=""><a href="http://www.live555.com/" class="">http://www.live555.com/</a></span></span>
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