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

IESFCompression::GetGopSizeRange

HRESULT GetGopSizeRange(
  long *plMinValue,
  long *plMaxValue,
  long *plDefaultValue = NULL
);

plMinValue

[out] Pointer to a variable that receives the minimum value for the GOP size setting.

plMaxValue

[out] Pointer to a variable that receives the maximum value of the GOP size setting.

plDefaultValue

[out] Pointer to a variable that receives the default GOP size setting. If NULL, the default value is not returned.

Retrieves the range and default value for 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

At least one argument 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::GetGopSize

IESFCompression::SetGopSize