IAMAnalogVideoDecoder::get_NumberOfLines

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Microsoft DirectShow 9.0

IAMAnalogVideoDecoder::get_NumberOfLines

The get_NumberOfLInes method retrieves the number of scan lines in the video signal.

Syntax

  HRESULT get_NumberOfLines(
  long *plNumberOfLines
);

Parameters

plNumberOfLines

[out]  Pointer to a variable that receives the number of scan lines in the video signal. This is generally by 525 lines for NTSC and 625 lines for PAL or SECAM.

Return Values

Returns an HRESULT value. Possible values include the following.

Value Description
E_PROP_ID_UNSUPPORTED The device does not support this method.
S_OK Success.

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also