Leaked source code of windows server 2003
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<p>Readme.txt for ATITVSND<br><br>Description:<br>------------<br>ATITVSND is a sample WDM stream class TVSound driver. It manifests itself in a DShow graph as "ATI TVSound". It controls selection of audio subchannels (SAP) as well as mono/stereo audio decoding.<br><br><br>Installation:<br>-------------<br>ATITVSND is not a true PnP driver, since it is accessed via the I2C bus controlled by the graphics device for which no bus enumerator exists.<br><br>ATITVSND exists as a child device of the display device. It is force installed by the following lines in \windows\inf\DxATI.inf:<br><br>[ATI_M64.AIW.AddReg]<br>HKR,"ENUM\Device4",pnpid,,"atitvsnd"<br><br><br>Testing:<br>-------- <br>1. WebTV for Windows</p><blockquote> <p>- Install an ATI All-In-Wonder or All-In-Wonder Pro adapter.<br> - Since subvendor IDs are not available in the Rage3 to distinguish different hardware configurations, you must manually select the <br> appropriate driver to install:</p> <blockquote> <p>All-In-Wonder (ati_m64) <br> All-In-Wonder PRO (atir3)</p> </blockquote> <p>- Install WebTV for Windows</p> <blockquote> <p>StartMenu.Settings.ControlPanel.Add/Remove Programs.WindowsSetup.<br> <br> WebTV for Windows</p> </blockquote> <p>- Click the TV icon in the tray, and watch TV</p></blockquote><p>2. GraphEdt.exe</p><blockquote> <p>- Make sure you're using a version of DShow 5.2 or better GraphEdt.exe. This is needed to support new PnP features.<br> - Graph.InsertFilters</p> <p><br> "WDM Streaming Capture Devices"</p> <blockquote> <p>"BT829 Capture"</p> </blockquote> <p>"WDM Streaming Crossbar Devices"</p> <blockquote> <p>"ATI Crossbar"<br> "BT829 Crossbar"</p> </blockquote> <p>"WDM Streaming TvTuner Devices"</p> <blockquote> <p>"ATI TvTuner"</p> </blockquote> <p>"Direct Show filters"</p> <blockquote> <p>"Overlay Mixer"</p> </blockquote> <p>- Connect up the graph by rendering the output pins on the TvTuner<br> - Graph.Play<br> - Right Click on TvTuner filter to change the TV channel<br> - Right Click on Crossbar filter to change the input selection. <br> - Right Click on Capture filter to change capture filter properties</p></blockquote><p>3. AMCap.exe<br><br>This capture application is provided in the DShow SDK, and does all of the graph building automatically for both WDM and VFW capture filters.<br><br>Other stuff:<br>------------</p><ol> <li>Note that WebTV for Windows, as shipped in the initial release of Windows 98, does not support a TVAudio filter.</li> <li>Note that compile time options can be used to either disable or enable the use of the TvAudio filter in the All-In-Wonder graph.</li></ol><p> </p>
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