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Required Functions

At a minimum, your video digitizer component must support the following functions:

• VDGetActiveSrcRect

• VDGetCurrentFlags

• VDGetDigitizerInfo

• VDGetDigitizerRect

• VDGetFieldPreference

• VDGetInput

• VDGetInputFormat

• VDGetMaxSrcRect

• VDGetNumberOfInputs

• VDGetPlayThruDestination

• VDGetVBlankRect

• VDGetVideoDefaults

• VDGrabOneFrame

• VDPreflightDestination

• VDSetDigitizerRect

• VDSetFieldPreference

• VDSetInput

• VDSetInputStandard

• VDSetPlayThruDestination

• VDGetCompressionTime

• VDSetDataRate

All of these functions are required for all video digitizer components.

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