Specifies attributes of multimedia images.

Values:

IG_MULT_INFO_HAS_VIDEO	TRUE value of the atribute indicates that the multimedia file has a video stream; otherwise it is FALSE.
IG_MULT_INFO_HAS_AUDIO	TRUE value of the atribute indicates that the multimedia file has an audio stream; otherwise it is FALSE.
IG_MULT_INFO_GIF_MIN_DELAY	Attribute value is a minimum delay of animated GIF frame display. This value is applied to the frame if its own delay is less then value of IG_MULT_INFO_GIF_MIN_DELAY_THRESHOLD attribute.
IG_MULT_INFO_GIF_MIN_DELAY_THRESHOLD	Attribute value is a threshold for minimum delay of animated GIF frame display. Frames with delay less than this value are displayed with delay specified by IG_MULT_INFO_GIF_MIN_DELAY attribute.

Remarks:

Info IDs for overall and per-frame info common to all multimedia sources IDs are allocated as follows: 0 - 1999 = Overall info common to all multimedia sources 2000 - 3999 = Per-frame info common to all multimedia sources 4000 - 5999 = Overall info specific to individual sources (overlap is fine) 6000 - 7999 = Per-frame info specific to individual sources (overlap is fine) 8000 - ???? = reserved