IMediaDet::get_FrameRate method

Note  [Deprecated. This API may be removed from future releases of Windows.]
 

The get_FrameRate method retrieves the frame rate of the current stream. The stream must be a video stream.

Syntax


HRESULT get_FrameRate(
  [out, retval] double *pVal
);

Parameters

pVal [out, retval]

Receives the frame rate, in frames per second.

Return value

Returns an HRESULT value. Possible values include the following:

Return codeDescription
S_FALSE

Video format header does not specify a frame rate.

S_OK

Success.

E_INVALIDARG

Invalid argument.

E_POINTER

NULL pointer argument.

VFW_E_INVALIDMEDIATYPE

Invalid media type.

 

Remarks

This method cannot retrieve the frame rate from an ASF file.

Before calling this method, set the file name and stream by calling IMediaDet::put_Filename and IMediaDet::put_CurrentStream.

If the media detector is in bitmap grab mode, this method returns E_INVALIDARG. For more information, see IMediaDet::EnterBitmapGrabMode.

Note  The header file Qedit.h is not compatible with Direct3D headers later than version 7.
 
Note  To obtain Qedit.h, download the Microsoft Windows SDK Update for Windows Vista and .NET Framework 3.0. Qedit.h is not available in the Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 Service Pack 1.
 

Requirements

Header

Qedit.h

Library

Strmiids.lib

See also

IMediaDet Interface
Error and Success Codes

 

 

Show: