Readme.txt for ATITVSND
Description:
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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.
Installation:
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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.
ATITVSND exists as a child device of the display device. It is force installed
by the following lines in \windows\inf\DxATI.inf:
[ATI_M64.AIW.AddReg]
HKR,"ENUM\Device4",pnpid,,"atitvsnd"
Testing:
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1. WebTV for Windows
- Install an ATI All-In-Wonder or All-In-Wonder Pro adapter.
- Since subvendor IDs are not available in the Rage3 to distinguish different hardware configurations, you must manually select the
appropriate driver to install:All-In-Wonder (ati_m64)
All-In-Wonder PRO (atir3)- Install WebTV for Windows
StartMenu.Settings.ControlPanel.Add/Remove Programs.WindowsSetup.
WebTV for Windows- Click the TV icon in the tray, and watch TV
2. GraphEdt.exe
- Make sure you're using a version of DShow 5.2 or better GraphEdt.exe. This is needed to support new PnP features.
- Graph.InsertFilters
"WDM Streaming Capture Devices""BT829 Capture"
"WDM Streaming Crossbar Devices"
"ATI Crossbar"
"BT829 Crossbar""WDM Streaming TvTuner Devices"
"ATI TvTuner"
"Direct Show filters"
"Overlay Mixer"
- Connect up the graph by rendering the output pins on the TvTuner
- Graph.Play
- Right Click on TvTuner filter to change the TV channel
- Right Click on Crossbar filter to change the input selection.
- Right Click on Capture filter to change capture filter properties
3. AMCap.exe
This capture application is provided in the DShow SDK, and does all of the
graph building automatically for both WDM and VFW capture filters.
Other stuff:
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