#------------------------------------------------------------------------------ # animation: file(1) magic for animation/movie formats # # animation formats # MPEG, FLI, DL originally from vax@ccwf.cc.utexas.edu (VaX#n8) # FLC, SGI, Apple originally from Daniel Quinlan (quinlan@yggdrasil.com) # MPEG animation format 0 string \000\000\001\263 MPEG file # FLI animation format 4 leshort 0xAF11 FLI file >6 leshort x - %d frames, >8 leshort x width=%d pixels, >10 leshort x height=%d pixels, >12 leshort x depth=%d, >16 leshort x ticks/frame=%d # FLC animation format 4 leshort 0xAF12 FLC file >6 leshort x - %d frames >8 leshort x width=%d pixels, >10 leshort x height=%d pixels, >12 leshort x depth=%d, >16 leshort x ticks/frame=%d # DL animation format # XXX - collision with most `mips' magic # # I couldn't find a real magic number for these, however, this # -appears- to work. Note that it might catch other files, too, so be # careful! # # Note that title and author appear in the two 20-byte chunks # at decimal offsets 2 and 22, respectively, but they are XOR'ed with # 255 (hex FF)! The DL format is really bad. # #0 byte 1 DL version 1, medium format (160x100, 4 images/screen) #>42 byte x - %d screens, #>43 byte x %d commands #0 byte 2 DL version 2 #>1 byte 1 - large format (320x200,1 image/screen), #>1 byte 2 - medium format (160x100,4 images/screen), #>1 byte >2 - unknown format, #>42 byte x %d screens, #>43 byte x %d commands # Based on empirical evidence, DL version 3 have several nulls following the # \003. Most of them start with non-null values at hex offset 0x34 or so. #0 string \3\0\0\0\0\0\0\0\0\0\0\0 DL version 3 # SGI and Apple formats 0 string MOVI Silicon Graphics movie file 4 string moov Apple QuickTime movie file (moov) 4 string mdat Apple QuickTime movie file (mdat)