FLI/FLC Header Format

FLI and FLC files begin with a 128-byte header. The fields starting at offset 22 and above in the flic file header apply to FLC files only. For FLI files, they should all be zero.

offset

size

description

0

4

file size in bytes

4

2

signature, AF11 hex for FLI files, AF12 hex for FLC files

6

2

number of frames

8

2

image width in pixels

10

2

image height in pixels

12

2

bits per pixel, must be 8

14

2

reserved, must be 3

16

4

time delay between frames

units are 1/70 second for FLI files

units are milliseconds for FLC files

20

2

reserved, must be zero

22

4

file creation date/time (MS-DOS format)

26

4

creator serial number (unreliable)

30

4

file revision date/time (MS-DOS format)

34

4

updater serial number (unreliable)

38

4

horizontal aspect ratio of creating video mode

40

2

vertical aspect ratio of creating video mode

42

38

reserved, must be zero

80

4

byte offset to start of first frame

84

4

byte offset to start of second frame

88

40

reserved, must be zero

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copyright 2001 Ted Gruber Software, Inc.