MultiCam Boards Documentation > MultiCam Documentation > MultiCam DirectShow Reference > Reference Guide > Interfaces > IESFCompression > IESFCompression::GetGopSize

IESFCompression::GetGopSize

HRESULT GetGopSize(
  long *plValue
);

plValue

[out] Pointer to a variable that receives the GOP size.

Retrieves the MPEG-4 GOP (group of pictures) size.

The GOP size setting is available only if the following conditions are met:

Be aware that, when the output format is set to AUTO, the media type is decided only when the filter is connected. The media type can be selected through the output format setting.

Return Values

Returns an HRESULT value. Possible values include the following.

Return code

Description

S_OK

No error.

E_POINTER

plValue is not a valid pointer.

E_FAIL

GOP size setting is not applicable. See notes above.

Requirements

Header

ESFilter.h

Library

ESFilter.dll

MultiCam

5.0 or later

See also

Compression

GOP Structure

DX50 with PICOLO Diligent

MP4S with PICOLO Diligent

IESFCompression::GetGopSizeRange

IESFCompression::SetGopSize