Reinhard Nissl wrote:
AFD information appears in the video stream after user data startcodes (0x000001B2) and these appear before picture start codes (0x00000100).
User data and thus AFD can be in other places, too (in theory, I have no practical experience). Described in the MPEG-2 video spec.
/* check Active Format Description ETSI TS 101 154 V1.5.1 */
Yeah, that's the spec.
AFAIK AFD is only used in the UK.
Johannes