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:

the filter uses a Picolo Diligent.
the media type is MEDIASUBTYPE_DX50 or WMMEDIASUBTYPE_MP4S.

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