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Member "file-5.35/magic/Magdir/modem" (17 Mar 2017, 3010 Bytes) of package /linux/misc/file-5.35.tar.gz:
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5.30_vs_5.31.
1
2 #------------------------------------------------------------------------------
3 # $File: modem,v 1.8 2017/03/17 21:35:28 christos Exp $
4 # modem: file(1) magic for modem programs
5 #
6 # From: Florian La Roche <florian@knorke.saar.de>
7 1 string PC\ Research,\ Inc Digifax-G3-File
8 >29 byte 1 \b, fine resolution
9 >29 byte 0 \b, normal resolution
10
11 # Summary: CCITT Group 3 Facsimile in "raw" form (i.e. no header).
12 # Modified by: Joerg Jenderek
13 # URL: https://de.wikipedia.org/wiki/Fax
14 # Reference: http://web.archive.org/web/20020628195336/http://www.netnam.vn/unescocourse/computervision/104.htm
15 # GRR: EOL of G3 is too general as it catches also TrueType fonts, Postscript PrinterFontMetric, others
16 0 short 0x0100
17 # 16 0-bits near beginning like True Type fonts *.ttf, Postscript PrinterFontMetric *.pfm, FTYPE.HYPERCARD, XFER
18 >2 search/9 \0\0
19 # maximal 7 0-bits for pixel sequences or 11 0-bits for EOL in G3
20 >2 default x
21 # skip IRCAM file (VAX big-endian) ./audio
22 >>0 belong !0x0001a364
23 # skip GEM Image data ./images
24 >>>2 beshort !0x0008
25 # look for first keyword of Panorama database *.pan
26 >>>>11 search/262 \x06DESIGN
27 # skip Panorama database
28 >>>>11 default x
29 # old Apple DreamWorld DreamGrafix *.3200 with keyword at end of g3 looking files
30 >>>>>27118 search/1864 DreamWorld
31 >>>>>27118 default x
32 # skip MouseTrap/Mt.Defaults with file size 16 found on Golden Orchard Apple II CD Rom
33 >>>>>>8 ubequad !0x2e01010454010203
34 # skip PICTUREH.SML found on Golden Orchard Apple II CD Rom
35 >>>>>>>8 ubequad !0x5dee74ad1aa56394 raw G3 (Group 3) FAX, byte-padded
36 # version 5.25 labeled the entry above "raw G3 data, byte-padded"
37 !:mime image/g3fax
38 #!:apple ????TIFF
39 !:ext g3
40 # unusual image starting with black pixel
41 #0 short 0x1300 raw G3 (Group 3) FAX
42 0 short 0x1400
43 # 16 0-bits near beginning like PicturePuzzler found on Golden Orchard Apple CD Rom
44 >2 search/9 \0\0
45 # maximal 7 0-bits for pixel sequences or 11 0-bits for EOL in G3
46 >2 default x raw G3 (Group 3) FAX
47 # version 5.25 labeled the above entry as "raw G3 data"
48 !:mime image/g3fax
49 !:ext g3
50 # unusual image with black pixel near beginning
51 #0 short 0x1900 raw G3 (Group 3) FAX
52
53 #
54 # Magic data for vgetty voice formats
55 # (Martin Seine & Marc Eberhard)
56
57 #
58 # raw modem data version 1
59 #
60 0 string RMD1 raw modem data
61 >4 string >\0 (%s /
62 >20 short >0 compression type 0x%04x)
63
64 #
65 # portable voice format 1
66 #
67 0 string PVF1\n portable voice format
68 >5 string >\0 (binary %s)
69
70 #
71 # portable voice format 2
72 #
73 0 string PVF2\n portable voice format
74 >5 string >\0 (ascii %s)
75
76 # From: Bernd Nuernberger <bernd.nuernberger@web.de>
77 # Brooktrout G3 fax data incl. 128 byte header
78 # Common suffixes: 3??, BRK, BRT, BTR
79 0 leshort 0x01bb
80 >2 leshort 0x0100 Brooktrout 301 fax image,
81 >>9 leshort x %d x
82 >>0x2d leshort x %d
83 >>6 leshort 200 \b, fine resolution
84 >>6 leshort 100 \b, normal resolution
85 >>11 byte 1 \b, G3 compression
86 >>11 byte 2 \b, G32D compression