<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></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><div><div>here is my command line<br><br></div>./OpenRTSP -v -Q -D 1 -n rtsp://<IP>:554/11 | ffplay -loglevel verbose -fflags nobuffer -i pipe:0<br><br></div><div>Now this delay slowly keeps increasing from 1.5 sec upto 4~5 seconds in about 20 minutes. And I assume it will continue to increase with time.<br><br></div><div>So my questions are :-<br>1 - what is causing the initial delay ?<br></div></div></div></div></div></blockquote><div><br></div>I don't know, but it's not "openRTSP". (Our RTSP/RTP client software does not include any buffering, or significant delay.) The delay is probably some combination of the OS pipe (i.e., the "!") and "ffplay" itself (i.e., the decoding/rendering overhead).</div><div><br></div><div><br></div><div><blockquote type="cite"><div dir="ltr"><div><div><div><div>Is there a way to disable "pre caching" of frames in OpenRTSP ?</div></div></div></div></div></blockquote><div><br></div>There's no such thing.</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>
</div>
<br></body></html>