IMediaSeeking::GetCapabilities method (strmif.h)

The GetCapabilities method retrieves all the seeking capabilities of the stream.

Syntax

HRESULT GetCapabilities(
  [out] DWORD *pCapabilities
);

Parameters

[out] pCapabilities

Pointer to a variable that receives a bitwise combination of AM_SEEKING_SEEKING_CAPABILITIES flags.

Return value

Returns an HRESULT value. Possible values include the following.

Return code Description
S_OK
Success.
E_POINTER
NULL pointer argument.

Remarks

This method returns information on all the seeking capabilities of the stream. Examine pCapabilities by performing a separate bitwise-AND operation on each AM_SEEKING_SEEKING_CAPABILITIES value you are interested in.

C++
DWORD dwCaps = 0;
pMediaSeeking->GetCapabilities(&dwCaps);

if (dwCaps & AM_SEEKING_CanGetCurrentPos) { // The stream can seek to the current position. } if (dwCaps & AM_SEEKING_CanPlayBackwards) { // The stream can play backward. }

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header strmif.h (include Dshow.h)
Library Strmiids.lib

See also

Error and Success Codes

IMediaSeeking Interface