📄 directshow帮助文档学习笔记之directshow帮助文档学习总结 - zhangxinbin的专栏 - csdnblog.htm
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</SPAN></SPAN></SPAN><SPAN lang=EN-US><FONT face="Times New Roman" size=3>The <A
title=Filter
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/Filter">Filter</A> <A
title=Graph
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/Graph">Graph</A>
Manager cannot free the event parameters using the normal
IMediaEvent::FreeEventParams method. The application must free any memory or
reference counts associated with the event parameters. </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 42pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN
style="mso-list: Ignore"><FONT size=3>l</FONT><SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><SPAN lang=EN-US><FONT face="Times New Roman" size=3>The <A
title=Filter
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/Filter">Filter</A>
should only send the event from within an application that is prepared to handle
the event. (Possibly the application can set a custom property on the <A
title=Filter
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/Filter">Filter</A> to
indicate that it is safe to send the event.) </FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><O:P><FONT
face="Times New Roman" size=3></FONT></O:P></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><STRONG
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 12pt"><FONT face="Times New Roman"><A title=DirectShow
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/DirectShow">DirectShow</A>
Base Classes<O:P></O:P></FONT></SPAN></STRONG></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT face="Times New Roman" size=3>The Microsoft® <A
title=DirectShow
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/DirectShow">DirectShow</A>®
base classes are a set of C++ classes and utility functions designed for
implementing <A title=DirectShow
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/DirectShow">DirectShow</A>
filters. Several of the helper classes are also useful for application
developers.</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN
lang=EN-US><FONT face="Times New Roman" size=3>This section describes the base
classes. It contains the following sections: </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 42pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo2; tab-stops: list 42.0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN
style="mso-list: Ignore"><FONT size=3>l</FONT><SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><SPAN lang=EN-US><FONT face="Times New Roman"
size=3>Introduction to the <A title=Filter
href="http://blog.csdn.net/zhangxinbin/archive/2006/10/22/Filter">Filter</A>
Base Classes </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 42pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo2; tab-stops: list 42.0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN
style="mso-list: Ignore"><FONT size=3>l</FONT><SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><SPAN lang=EN-US><FONT face="Times New Roman" size=3>Base
Class Reference </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 42pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo2; tab-stops: list 42.0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN
style="mso-list: Ignore"><FONT size=3>l</FONT><SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><SPAN lang=EN-US><FONT face="Times New Roman"
size=3>Utility Functions </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 42pt; TEXT-INDENT: -21pt; mso-list: l1 level1 lfo2; tab-stops: list 42.0pt"><SPAN
lang=EN-US
style="FONT-FAMILY: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN
style="mso-list: Ignore"><FONT size=3>l</FONT><SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><SPAN lang=EN-US><FONT face="Times New Roman"
size=3>Debugging Utilities</FONT></SPAN></P> <BR><BR>
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ZhangXinbin发表于 2006年10月22日 09:11:00 </DIV></DIV><LINK
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