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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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