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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:52:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:52:51 +0000
commit71507ca5d2410b11889ca963fafcd1bcad5044c3 (patch)
tree17e6d07243d49e29e4b75887e0d07f24ec2b66e8 /magic/Magdir/modem
parentInitial commit. (diff)
downloadfile-71507ca5d2410b11889ca963fafcd1bcad5044c3.tar.xz
file-71507ca5d2410b11889ca963fafcd1bcad5044c3.zip
Adding upstream version 1:5.44.upstream/1%5.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--magic/Magdir/modem92
1 files changed, 92 insertions, 0 deletions
diff --git a/magic/Magdir/modem b/magic/Magdir/modem
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+
+#------------------------------------------------------------------------------
+# $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