1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
#------------------------------------------------------------------------------
# $File: modem,v 1.11 2022/10/19 20:15:16 christos Exp $
# modem: file(1) magic for modem programs
#
# From: Florian La Roche <florian@knorke.saar.de>
1 string PC\ Research,\ Inc Digifax-G3-File
>29 byte 1 \b, fine resolution
>29 byte 0 \b, normal resolution
# Summary: CCITT Group 3 Facsimile in "raw" form (i.e. no header).
# Modified by: Joerg Jenderek
# URL: https://de.wikipedia.org/wiki/Fax
# http://fileformats.archiveteam.org/wiki/CCITT_Group_3
# Reference: https://web.archive.org/web/20020628195336/http://www.netnam.vn/unescocourse/computervision/104.htm
# GRR: EOL of G3 is too general as it catches also TrueType fonts, Postscript PrinterFontMetric, others
0 short 0x0100
# 16 0-bits near beginning like True Type fonts *.ttf, Postscript PrinterFontMetric *.pfm, FTYPE.HYPERCARD, XFER
>2 search/9 \0\0
# maximal 7 0-bits for pixel sequences or 11 0-bits for EOL in G3
>2 default x
# skip IRCAM file (VAX big-endian) ./audio
>>0 belong !0x0001a364
# skip GEM Image data ./images
>>>2 beshort !0x0008
# look for first keyword of Panorama database *.pan
>>>>11 search/262 \x06DESIGN
# skip Panorama database
>>>>11 default x
# old Apple DreamWorld DreamGrafix *.3200 with keyword at end of g3 looking files
>>>>>27118 search/1864 DreamWorld
>>>>>27118 default x
# skip MouseTrap/Mt.Defaults with file size 16 found on Golden Orchard Apple II CD Rom
>>>>>>8 ubequad !0x2e01010454010203
# skip PICTUREH.SML found on Golden Orchard Apple II CD Rom
>>>>>>>8 ubequad !0x5dee74ad1aa56394
# skip few (5/41) DEGAS mid-res bitmap (GEMINI01.PI2 GEMINI02.PI2 GEMINI03.PI2 CODE_RAM.PI2 TBX_DEMO.PI2)
# with file size 32034
>>>>>>>>-0 offset !32034 raw G3 (Group 3) FAX, byte-padded
# version 5.25 labeled the entry above "raw G3 data, byte-padded"
!:mime image/g3fax
#!:apple ????TIFF
!:ext g3
# unusual image starting with black pixel
#0 short 0x1300 raw G3 (Group 3) FAX
0 short 0x1400
# 16 0-bits near beginning like PicturePuzzler found on Golden Orchard Apple CD Rom
>2 search/9 \0\0
# maximal 7 0-bits for pixel sequences or 11 0-bits for EOL in G3
>2 default x
# skip some (84/1246) MacBinary II/III (Cyberdog2.068k.smi.bin FileMakerPro4.img.bin Hypercard1.25.image.bin UsbStorage1.3.5.smi.bin) with "non random" numbers by versions values 81h/82h + 81h
>>122 ubeshort&0xFcFf !0x8081 raw G3 (Group 3) FAX
# version 5.25 labeled the above entry as "raw G3 data"
!:mime image/g3fax
!:ext g3
# unusual image with black pixel near beginning
#0 short 0x1900 raw G3 (Group 3) FAX
#
# Magic data for vgetty voice formats
# (Martin Seine & Marc Eberhard)
#
# raw modem data version 1
#
0 string RMD1 raw modem data
>4 string >\0 (%s /
>20 short >0 compression type %#04x)
#
# portable voice format 1
#
0 string PVF1\n portable voice format
>5 string >\0 (binary %s)
#
# portable voice format 2
#
0 string PVF2\n portable voice format
>5 string >\0 (ascii %s)
# From: Bernd Nuernberger <bernd.nuernberger@web.de>
# Brooktrout G3 fax data incl. 128 byte header
# Common suffixes: 3??, BRK, BRT, BTR
0 leshort 0x01bb
>2 leshort 0x0100 Brooktrout 301 fax image,
>>9 leshort x %d x
>>0x2d leshort x %d
>>6 leshort 200 \b, fine resolution
>>6 leshort 100 \b, normal resolution
>>11 byte 1 \b, G3 compression
>>11 byte 2 \b, G32D compression
|
