2.02.0enACTIVE FORMAT DESCRIPTIONAFD Value(s)Aspect Ratio(s)Expected AFD ValueAFD Absence, Value, Mismatch0001FActive Format Description2.0activecheck reportSystem shall check the presence and value of the Active Format Description (AFD), which describes the aspect ratio of the active picture, and safe cut-out areas.bitstreamabsoluteformatactive format descriptorAFDvideoSMPTE ST 2016-1Format for Active Format Description and Bar DataISO/IEC 13818-2MPEG-2 VideoISO/IEC 14496-10H.264input: "Active Format Description Expected" = 10 (16:9)
Output: "Active Format Description Absent" = False
Output: "Active Format Description" = True
Output: "Active Format Description Value" = 9
Output: "Active Format Description Desc" =
"In a 4:3 coded frame: Full frame 4:3 image, the same as the coded frame.
In a 16:9 coded frame: Pillarbox 4:3 image, horizontally centered in the coded frame"Input: "Active Format Description Expected" = 15 (16:9 with alternative 14:9)
Output: "Active Format Description Absent" = False
Output: "Active Format Description" = True
Output: "Active Format Description Value" = 10
Output: "Active Format Description Desc" =
"In a 4:3 coded frame: Letterbox 16:9 image, vertically centered in the coded frame with all image areas protected.
In a 16:9 coded frame: Full frame 16:9 image with all image areas protected."ActiveFormatDescriptionBitstreamExpectedAFD value expected in the bitstreamfalsenot applicablerequiredintegerdecimal or binary left padded with zeros to 5 digitsActiveFormatDescriptionBitstreamAbsentAFD value is not foundfalserequiredrequired{true,false}boolean{true,false}ActiveFormatDescriptionValueAFD value from the bitstream falserequiredoptionalintegerdecimal or binary left padded with zeros to 5 digitsActiveFormatDescriptionBitstreamDescribedThe actual meaning of the AFD ValueUse the wording of SMPT 2016-1 Table 1 or equivalentfalseoptionaloptionalstringActiveFormatDescriptionBitstreamMismatchReports mismatch between the Expected and Reported valueRequired only if an expected value is provided in inputfalsenot applicablerequired{true,false}boolean{true,false}