vcdimager: Scan Information Data
1.5.2.1 Scan Information Data
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According to the specification, it is mandatory for Super Video CD's(1)
to encode scan information data into user data blocks in the picture
layer of all intra coded picture. It can be used by playing devices for
implementing fast forward & fast reverse scanning.
The already existing scan information data can be updated by enabling
the 'update scan offsets' option. <option> Element.
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(1) It seems to be optionally supported for the Video CD 2.0