<html><head><base href="x-msg://510/"></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 class="hmmessage" style="font-size: 10pt; font-family: Tahoma; "><div dir="ltr"><pre style="background-color: rgb(255, 255, 255); position: static; z-index: auto; "><pre><font color="#2a2a2a"><span style="line-height: 17px; white-space: normal; ">but, In void MatroskaFileParser::continueParsing() call, the "if (fOnEndFunc != NULL) (*fOnEndFunc)(fOnEndClientData);" will call, then will call "void MatroskaFile::handleEndOfTrackHeaderParsing()", and this time the "fParserForInitialization" is a invalid pointer, delete the invalid pointer will crash.</span></font></pre></pre></div></div></span></blockquote><div><br></div></div>Unfortunately you're still describing the *symptoms* of an apparent bug, but I'm not seeing the *cause* of the bug. There are only two possible ways that the "fParserForInitialization" pointer could become invalid:<div>1/ "handleEndOfTrackHeaderParsing()" is being called on a "MatroskaFile" object after its destructor has already been called, or</div><div>2/ Something is (somehow) writing over the "fParserForInitialization" field in (what would otherwise be) a still-valid "MatroskaFile" object.</div><div><br></div><div>So I now need to know which of these is happening, and why.</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>
</div>
<br></body></html>