IBDA_FrequencyFilter::put_FrequencyMultiplier

Microsoft DirectShow 9.0

IBDA_FrequencyFilter::put_FrequencyMultiplier

The put_FrequencyMultiplier method specifies the frequency multiplier. The frequency multiplier determines the frequency units for the methods on this interface. The default value is 1000, meaning that frequencies are expressed in kilohertz (kHz).

Syntax

  HRESULT put_FrequencyMultiplier(
  ULONG  ulMultiplier
);

Parameters

  ulMultiplier

[in]  Specifies the multiplier.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Remarks

Since fequencies for DVB-S, DVB-T, and ATSC should all be expressed in kilohertz, the default frequency multiplier should never be changed.

Requirements

Header: Include bdaiface.h.

See Also

• Error and Success Codes
• IBDA_FrequencyFilter Interface
• IBDA_FrequencyFilter::get_FrequencyMultiplier
• IBDA_FrequencyFilter::put_Frequency