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ITuner::get_SignalStrength

  • Artigo
 
Microsoft DirectShow 9.0

ITuner::get_SignalStrength

The get_SignalStrength method retrieves the Network Provider-specific signal strength metric.

Syntax

  HRESULT get_SignalStrength(
  long* pStrength
);

Parameters

pStrength

[out] Receives the signal strength.

Return Values

When the method is successful, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

The value -1 means can't determine, 0 means not tuned, highest value means best signal. For digital tuners, this also accounts for the FEC bit error rate (BER).

Requirements

Header: Include bdaiface.h.

See Also