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📄 directshow开发环境配置及测试例程(vc6) - 阅读＋实践＝成长 - c++博客.htm

📁 directshow的开发过程的详细介绍
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src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">&nbsp;Create&nbsp;the&nbsp;filter&nbsp;graph&nbsp;manager&nbsp;and&nbsp;query&nbsp;for&nbsp;interfaces.</SPAN><SPAN 
style="COLOR: #008000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top></SPAN><SPAN 
style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;hr&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;CoCreateInstance(CLSID_FilterGraph,&nbsp;NULL,&nbsp;CLSCTX_INPROC_SERVER,&nbsp;<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IID_IGraphBuilder,&nbsp;(</SPAN><SPAN 
style="COLOR: #0000ff">void</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">**</SPAN><SPAN 
style="COLOR: #000000">)</SPAN><SPAN style="COLOR: #000000">&amp;</SPAN><SPAN 
style="COLOR: #000000">pGraph);<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">if</SPAN><SPAN 
style="COLOR: #000000">&nbsp;(FAILED(hr))<BR><IMG 
id=Codehighlighter1_589_681_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_589_681_Open_Text.style.display='none'; Codehighlighter1_589_681_Closed_Image.style.display='inline'; Codehighlighter1_589_681_Closed_Text.style.display='inline';" 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ExpandedSubBlockStart.gif" 
align=top><IMG id=Codehighlighter1_589_681_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_589_681_Closed_Text.style.display='none'; Codehighlighter1_589_681_Open_Image.style.display='inline'; Codehighlighter1_589_681_Open_Text.style.display='inline';" 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ContractedSubBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
id=Codehighlighter1_589_681_Closed_Text 
style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_589_681_Open_Text><SPAN style="COLOR: #000000">{<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf(</SPAN><SPAN 
style="COLOR: #000000">"</SPAN><SPAN 
style="COLOR: #000000">ERROR&nbsp;-&nbsp;Could&nbsp;not&nbsp;create&nbsp;the&nbsp;Filter&nbsp;Graph&nbsp;Manager.</SPAN><SPAN 
style="COLOR: #000000">"</SPAN><SPAN style="COLOR: #000000">);<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">return</SPAN><SPAN style="COLOR: #000000">;<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ExpandedSubBlockEnd.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;}</SPAN></SPAN><SPAN 
style="COLOR: #000000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;hr&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;pGraph</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN 
style="COLOR: #000000">QueryInterface(IID_IMediaControl,&nbsp;(</SPAN><SPAN 
style="COLOR: #0000ff">void</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">**</SPAN><SPAN 
style="COLOR: #000000">)</SPAN><SPAN style="COLOR: #000000">&amp;</SPAN><SPAN 
style="COLOR: #000000">pControl);<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;hr&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;pGraph</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN 
style="COLOR: #000000">QueryInterface(IID_IMediaEvent,&nbsp;(</SPAN><SPAN 
style="COLOR: #0000ff">void</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">**</SPAN><SPAN 
style="COLOR: #000000">)</SPAN><SPAN style="COLOR: #000000">&amp;</SPAN><SPAN 
style="COLOR: #000000">pEvent);<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">&nbsp;Build&nbsp;the&nbsp;graph.&nbsp;IMPORTANT:&nbsp;Change&nbsp;this&nbsp;string&nbsp;to&nbsp;a&nbsp;file&nbsp;on&nbsp;your&nbsp;system.<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top></SPAN><SPAN style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">&nbsp;&nbsp;&nbsp;&nbsp;hr&nbsp;=&nbsp;pGraph-&gt;RenderFile(L"C:\\Example.avi",&nbsp;NULL);</SPAN><SPAN 
style="COLOR: #008000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top></SPAN><SPAN 
style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;hr&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;pGraph</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN 
style="COLOR: #000000">RenderFile(L</SPAN><SPAN 
style="COLOR: #000000">"</SPAN><SPAN 
style="COLOR: #000000">E:\\DX90SDK\\Samples\\Media\\chicken.wmv</SPAN><SPAN 
style="COLOR: #000000">"</SPAN><SPAN style="COLOR: #000000">,&nbsp;NULL); // 
打开一个媒体文件<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">if</SPAN><SPAN 
style="COLOR: #000000">&nbsp;(SUCCEEDED(hr))<BR><IMG 
id=Codehighlighter1_1076_1419_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_1076_1419_Open_Text.style.display='none'; Codehighlighter1_1076_1419_Closed_Image.style.display='inline'; Codehighlighter1_1076_1419_Closed_Text.style.display='inline';" 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ExpandedSubBlockStart.gif" 
align=top><IMG id=Codehighlighter1_1076_1419_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_1076_1419_Closed_Text.style.display='none'; Codehighlighter1_1076_1419_Open_Image.style.display='inline'; Codehighlighter1_1076_1419_Open_Text.style.display='inline';" 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ContractedSubBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
id=Codehighlighter1_1076_1419_Closed_Text 
style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_1076_1419_Open_Text><SPAN style="COLOR: #000000">{<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">&nbsp;Run&nbsp;the&nbsp;graph.</SPAN><SPAN 
style="COLOR: #008000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top></SPAN><SPAN 
style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;hr&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;pControl</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN style="COLOR: #000000">Run();<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">if</SPAN><SPAN 
style="COLOR: #000000">&nbsp;(SUCCEEDED(hr))<BR><IMG 
id=Codehighlighter1_1169_1413_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_1169_1413_Open_Text.style.display='none'; Codehighlighter1_1169_1413_Closed_Image.style.display='inline'; Codehighlighter1_1169_1413_Closed_Text.style.display='inline';" 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ExpandedSubBlockStart.gif" 
align=top><IMG id=Codehighlighter1_1169_1413_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_1169_1413_Closed_Text.style.display='none'; Codehighlighter1_1169_1413_Open_Image.style.display='inline'; Codehighlighter1_1169_1413_Open_Text.style.display='inline';" 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ContractedSubBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
id=Codehighlighter1_1169_1413_Closed_Text 
style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_1169_1413_Open_Text><SPAN style="COLOR: #000000">{<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">&nbsp;Wait&nbsp;for&nbsp;completion.</SPAN><SPAN 
style="COLOR: #008000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top></SPAN><SPAN 
style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">long</SPAN><SPAN 
style="COLOR: #000000">&nbsp;evCode;<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pEvent</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN 
style="COLOR: #000000">WaitForCompletion(INFINITE,&nbsp;</SPAN><SPAN 
style="COLOR: #000000">&amp;</SPAN><SPAN style="COLOR: #000000">evCode);<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">&nbsp;Note:&nbsp;Do&nbsp;not&nbsp;use&nbsp;INFINITE&nbsp;in&nbsp;a&nbsp;real&nbsp;application,&nbsp;because&nbsp;it<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">&nbsp;can&nbsp;block&nbsp;indefinitely.</SPAN><SPAN 
style="COLOR: #008000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ExpandedSubBlockEnd.gif" 
align=top></SPAN><SPAN 
style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</SPAN></SPAN><SPAN 
style="COLOR: #000000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ExpandedSubBlockEnd.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;}</SPAN></SPAN><SPAN 
style="COLOR: #000000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;pControl</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN 
style="COLOR: #000000">Release();<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;pEvent</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN 
style="COLOR: #000000">Release();<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;pGraph</SPAN><SPAN 
style="COLOR: #000000">-&gt;</SPAN><SPAN 
style="COLOR: #000000">Release();<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;CoUninitialize();<BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/ExpandedBlockEnd.gif" 
align=top>}</SPAN></SPAN><SPAN style="COLOR: #000000"><BR><IMG 
src="DirectShow开发环境配置及测试例程(VC6) - 阅读＋实践＝成长 - C++博客.files/None.gif" 
align=top></SPAN></DIV><BR>注1：该处可根据需要添加不同版本，如RELEASE/Debug_Unicode/Release_Unicode。<BR>注2：debug&nbsp;- 
strmbasd.lib；release - strmbase.lib；另外还有对应的Unicode版本。<BR>注3：步骤3缺，将导致<BR>error 
LNK2001: unresolved external symbol _IID_IMediaEvent<BR>error LNK2001: 
unresolved external symbol _IID_IMediaControl<BR>error LNK2001: unresolved 
external symbol _CLSID_FilterGraph<BR>error LNK2001: unresolved external symbol 
_IID_IGraphBuilder<BR>Debug/Howtoplayafile.exe : fatal error LNK1120: 4 
unresolved externals<BR>Error executing link.exe. 
<DIV class=postDesc>posted on 2006-10-17 17:49 <A 
href="http://www.cppblog.com/wform/">夜舞重金属</A> 阅读(842) <A 
href="http://www.cppblog.com/wform/archive/2006/10/17/13783.aspx#Post">评论(2)</A> 
&nbsp;<A 
href="http://www.cppblog.com/wform/admin/EditPosts.aspx?postid=13783">编辑</A>&nbsp;<A 
href="http://www.cppblog.com/wform/AddToFavorite.aspx?id=13783">收藏</A> <A 
href="http://www.cppblog.com/wform/services/trackbacks/13783.aspx">引用</A> 所属分类: 
<A href="http://www.cppblog.com/wform/category/2838.html">DirectShow</A> 
</DIV></DIV><IMG height=1 
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