<html><head><base href="x-msg://2625/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; 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; "><div lang="EN-GB" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Now, after streaming a number of frames to the client, I get the following warning (the actual byte counts vary)<o:p></o:p></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: 36pt; "><span style="font-size: 10pt; font-family: monospace; color: black; ">StreamParser::afterGettingBytes() warning: read 9828 bytes; expected no more than 4142</span></div></div></div></span></blockquote><div><br></div>That error message indicates that your input source object did not set "fFrameSize" properly. In particular, it set it to a value greater than "fMaxSize" - bad!</div><div><br></div><div>A data source object *must* check "fMaxSize" before delivering data and setting "fFrameSize".</div><div><br></div><div>In particular, it needs to do something like this (note: This code taken from "liveMedia/DeviceSource.cpp"):</div><div><br></div><div><div> unsigned newFrameSize = THE_FRAME_SIZE_THAT_YOU_WANT_TO_DELIVER;</div><div><br></div><div> // Deliver the data here:</div><div> if (newFrameSize > fMaxSize) {</div><div> fFrameSize = fMaxSize;</div><div> fNumTruncatedBytes = newFrameSize - fMaxSize;</div><div> } else {</div><div> fFrameSize = newFrameSize;</div><div> }</div><div> gettimeofday(&fPresentationTime, NULL); // If you have a more accurate time - e.g., from an encoder - then use that instead.</div><div> // If the device is *not* a 'live source' (e.g., it comes instead from a file or buffer), then set "fDurationInMicroseconds" here.</div><div> memmove(fTo, newFrameDataStart, fFrameSize);</div></div><div><br></div><div><br><blockquote type="cite"><div lang="EN-GB" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: 36pt; "><span style="font-size: 10pt; font-family: monospace; color: black; "><o:p></o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 10pt; font-family: monospace; color: black; ">Shortly after that I get a SIGSEGV and my server crashes somewhere in the Event loop.<o:p></o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 10pt; font-family: monospace; color: black; ">I think that my previous pipe-using version was self-synchronising and you could never write enough data to the pipe to keep the receiving thread busy. This version will write frames much quicker and I seem to be hitting the BANK_SIZE limit.<o:p></o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 10pt; font-family: monospace; color: black; ">Any advice appreciated, David<o:p></o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><i><span style="color: rgb(15, 36, 62); "><o:p> </o:p></span></i></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div></div>_______________________________________________<br>live-devel mailing list<br><a href="mailto:live-devel@lists.live555.com" style="color: blue; text-decoration: underline; ">live-devel@lists.live555.com</a><br><a href="http://lists.live555.com/mailman/listinfo/live-devel" style="color: blue; text-decoration: underline; ">http://lists.live555.com/mailman/listinfo/live-devel</a><br></div></blockquote></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; 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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