Files

#------------------------------------------------------------------------------ # $File: animation,v 1.44 2010/11/25 15:00:12 christos Exp $ # 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)

# SGI and Apple formats 0 string MOVI Silicon Graphics movie file !:mime video/x-sgi-movie 4 string moov Apple QuickTime !:mime video/quicktime >12 string mvhd b movie (fast start) >12 string mdra b URL >12 string cmov b movie (fast start, compressed header) >12 string rmra b multiple URLs 4 string mdat Apple QuickTime movie (unoptimized) !:mime video/quicktime #4 string wide Apple QuickTime movie (unoptimized) #!:mime video/quicktime #4 string skip Apple QuickTime movie (modified) #!:mime video/quicktime #4 string free Apple QuickTime movie (modified) #!:mime video/quicktime 4 string idsc Apple QuickTime image (fast start) !:mime image/x-quicktime #4 string idat Apple QuickTime image (unoptimized) #!:mime image/x-quicktime 4 string pckg Apple QuickTime compressed archive !:mime application/x-quicktime-player 4 string/W jP JPEG 2000 image !:mime image/jp2 4 string ftyp ISO Media >8 string isom b, MPEG v4 system, version 1 !:mime video/mp4 >8 string iso2 b, MPEG v4 system, part 12 revision >8 string mp41 b, MPEG v4 system, version 1 !:mime video/mp4 >8 string mp42 b, MPEG v4 system, version 2 !:mime video/mp4 >8 string mp7t b, MPEG v4 system, MPEG v7 XML >8 string mp7b b, MPEG v4 system, MPEG v7 binary XML >8 string/W jp2 b, JPEG 2000 !:mime image/jp2 >8 string 3ge b, MPEG v4 system, 3GPP !:mime video/3gpp >8 string 3gg b, MPEG v4 system, 3GPP !:mime video/3gpp >8 string 3gp b, MPEG v4 system, 3GPP !:mime video/3gpp >8 string 3gs b, MPEG v4 system, 3GPP !:mime video/3gpp >8 string 3g2 b, MPEG v4 system, 3GPP2 !:mime video/3gpp2 >>11 byte 4 b v4 (H.263/AMR GSM 6.10) >>11 byte 5 b v5 (H.263/AMR GSM 6.10) >>11 byte 6 b v6 (ITU H.264/AMR GSM 6.10) >8 string mmp4 b, MPEG v4 system, 3GPP Mobile !:mime video/mp4 >8 string avc1 b, MPEG v4 system, 3GPP JVT AVC !:mime video/3gpp >8 string/W M4A b, MPEG v4 system, iTunes AAC-LC !:mime audio/mp4 >8 string/W M4V b, MPEG v4 system, iTunes AVC-LC !:mime video/mp4 >8 string/W M4P b, MPEG v4 system, iTunes AES encrypted >8 string/W M4B b, MPEG v4 system, iTunes bookmarked >8 string/W qt b, Apple QuickTime movie !:mime video/quicktime

# MPEG sequences # Scans for all common MPEG header start codes 0 belong 0x00000001 >4 byte&0x1F 0x07 JVT NAL sequence, H.264 video >>5 byte 66 b, baseline >>5 byte 77 b, main >>5 byte 88 b, extended >>7 byte x b @ L %u 0 belong&0xFFFFFF00 0x00000100 >3 byte 0xBA MPEG sequence !:mime video/mpeg >>4 byte &0x40 b, v2, program multiplex >>4 byte ^0x40 b, v1, system multiplex >3 byte 0xBB MPEG sequence, v1/2, multiplex (missing pack header) >3 byte&0x1F 0x07 MPEG sequence, H.264 video >>4 byte 66 b, baseline >>4 byte 77 b, main >>4 byte 88 b, extended >>6 byte x b @ L %u >3 byte 0xB0 MPEG sequence, v4 !:mime video/mpeg4-generic >>5 belong 0x000001B5 >>>9 byte &0x80 >>>>10 byte&0xF0 16 b, video >>>>10 byte&0xF0 32 b, still texture >>>>10 byte&0xF0 48 b, mesh >>>>10 byte&0xF0 64 b, face >>>9 byte&0xF8 8 b, video >>>9 byte&0xF8 16 b, still texture >>>9 byte&0xF8 24 b, mesh >>>9 byte&0xF8 32 b, face >>4 byte 1 b, simple @ L1 >>4 byte 2 b, simple @ L2 >>4 byte 3 b, simple @ L3 >>4 byte 4 b, simple @ L0 >>4 byte 17 b, simple scalable @ L1 >>4 byte 18 b, simple scalable @ L2 >>4 byte 33 b, core @ L1 >>4 byte 34 b, core @ L2 >>4 byte 50 b, main @ L2 >>4 byte 51 b, main @ L3 >>4 byte 53 b, main @ L4 >>4 byte 66 b, n-bit @ L2 >>4 byte 81 b, scalable texture @ L1 >>4 byte 97 b, simple face animation @ L1 >>4 byte 98 b, simple face animation @ L2 >>4 byte 99 b, simple face basic animation @ L1 >>4 byte 100 b, simple face basic animation @ L2 >>4 byte 113 b, basic animation text @ L1 >>4 byte 114 b, basic animation text @ L2 >>4 byte 129 b, hybrid @ L1 >>4 byte 130 b, hybrid @ L2 >>4 byte 145 b, advanced RT simple @ L! >>4 byte 146 b, advanced RT simple @ L2 >>4 byte 147 b, advanced RT simple @ L3 >>4 byte 148 b, advanced RT simple @ L4 >>4 byte 161 b, core scalable @ L1 >>4 byte 162 b, core scalable @ L2 >>4 byte 163 b, core scalable @ L3 >>4 byte 177 b, advanced coding efficiency @ L1 >>4 byte 178 b, advanced coding efficiency @ L2 >>4 byte 179 b, advanced coding efficiency @ L3 >>4 byte 180 b, advanced coding efficiency @ L4 >>4 byte 193 b, advanced core @ L1 >>4 byte 194 b, advanced core @ L2 >>4 byte 209 b, advanced scalable texture @ L1 >>4 byte 210 b, advanced scalable texture @ L2 >>4 byte 211 b, advanced scalable texture @ L3 >>4 byte 225 b, simple studio @ L1 >>4 byte 226 b, simple studio @ L2 >>4 byte 227 b, simple studio @ L3 >>4 byte 228 b, simple studio @ L4 >>4 byte 229 b, core studio @ L1 >>4 byte 230 b, core studio @ L2 >>4 byte 231 b, core studio @ L3 >>4 byte 232 b, core studio @ L4 >>4 byte 240 b, advanced simple @ L0 >>4 byte 241 b, advanced simple @ L1 >>4 byte 242 b, advanced simple @ L2 >>4 byte 243 b, advanced simple @ L3 >>4 byte 244 b, advanced simple @ L4 >>4 byte 245 b, advanced simple @ L5 >>4 byte 247 b, advanced simple @ L3b >>4 byte 248 b, FGS @ L0 >>4 byte 249 b, FGS @ L1 >>4 byte 250 b, FGS @ L2 >>4 byte 251 b, FGS @ L3 >>4 byte 252 b, FGS @ L4 >>4 byte 253 b, FGS @ L5 >3 byte 0xB5 MPEG sequence, v4 !:mime video/mpeg4-generic >>4 byte &0x80 >>>5 byte&0xF0 16 b, video (missing profile header) >>>5 byte&0xF0 32 b, still texture (missing profile header) >>>5 byte&0xF0 48 b, mesh (missing profile header) >>>5 byte&0xF0 64 b, face (missing profile header) >>4 byte&0xF8 8 b, video (missing profile header) >>4 byte&0xF8 16 b, still texture (missing profile header) >>4 byte&0xF8 24 b, mesh (missing profile header) >>4 byte&0xF8 32 b, face (missing profile header) >3 byte 0xB3 MPEG sequence !:mime video/mpeg >>12 belong 0x000001B8 b, v1, progressive Y'CbCr 4:2:0 video >>12 belong 0x000001B2 b, v1, progressive Y'CbCr 4:2:0 video >>12 belong 0x000001B5 b, v2, >>>16 byte&0x0F 1 b HP >>>16 byte&0x0F 2 b Spt >>>16 byte&0x0F 3 b SNR >>>16 byte&0x0F 4 b MP >>>16 byte&0x0F 5 b SP >>>17 byte&0xF0 64 b@HL >>>17 byte&0xF0 96 b@H-14 >>>17 byte&0xF0 128 b@ML >>>17 byte&0xF0 160 b@LL >>>17 byte &0x08 b progressive >>>17 byte ^0x08 b interlaced >>>17 byte&0x06 2 b Y'CbCr 4:2:0 video >>>17 byte&0x06 4 b Y'CbCr 4:2:2 video >>>17 byte&0x06 6 b Y'CbCr 4:4:4 video >>11 byte &0x02 >>>75 byte &0x01 >>>>140 belong 0x000001B8 b, v1, progressive Y'CbCr 4:2:0 video >>>>140 belong 0x000001B2 b, v1, progressive Y'CbCr 4:2:0 video >>>>140 belong 0x000001B5 b, v2, >>>>>144 byte&0x0F 1 b HP >>>>>144 byte&0x0F 2 b Spt >>>>>144 byte&0x0F 3 b SNR >>>>>144 byte&0x0F 4 b MP >>>>>144 byte&0x0F 5 b SP >>>>>145 byte&0xF0 64 b@HL >>>>>145 byte&0xF0 96 b@H-14 >>>>>145 byte&0xF0 128 b@ML >>>>>145 byte&0xF0 160 b@LL >>>>>145 byte &0x08 b progressive >>>>>145 byte ^0x08 b interlaced >>>>>145 byte&0x06 2 b Y'CbCr 4:2:0 video >>>>>145 byte&0x06 4 b Y'CbCr 4:2:2 video >>>>>145 byte&0x06 6 b Y'CbCr 4:4:4 video >>76 belong 0x000001B8 b, v1, progressive Y'CbCr 4:2:0 video >>76 belong 0x000001B2 b, v1, progressive Y'CbCr 4:2:0 video >>76 belong 0x000001B5 b, v2, >>>80 byte&0x0F 1 b HP >>>80 byte&0x0F 2 b Spt >>>80 byte&0x0F 3 b SNR >>>80 byte&0x0F 4 b MP >>>80 byte&0x0F 5 b SP >>>81 byte&0xF0 64 b@HL >>>81 byte&0xF0 96 b@H-14 >>>81 byte&0xF0 128 b@ML >>>81 byte&0xF0 160 b@LL >>>81 byte &0x08 b progressive >>>81 byte ^0x08 b interlaced >>>81 byte&0x06 2 b Y'CbCr 4:2:0 video >>>81 byte&0x06 4 b Y'CbCr 4:2:2 video >>>81 byte&0x06 6 b Y'CbCr 4:4:4 video >>4 belong&0xFFFFFF00 0x78043800 b, HD-TV 1920P >>>7 byte&0xF0 0x10 b, 16:9 >>4 belong&0xFFFFFF00 0x50002D00 b, SD-TV 1280I >>>7 byte&0xF0 0x10 b, 16:9 >>4 belong&0xFFFFFF00 0x30024000 b, PAL Capture >>>7 byte&0xF0 0x10 b, 4:3 >>4 beshort&0xFFF0 0x2C00 b, 4CIF >>>5 beshort&0x0FFF 0x01E0 b NTSC >>>5 beshort&0x0FFF 0x0240 b PAL >>>7 byte&0xF0 0x20 b, 4:3 >>>7 byte&0xF0 0x30 b, 16:9 >>>7 byte&0xF0 0x40 b, 11:5 >>>7 byte&0xF0 0x80 b, PAL 4:3 >>>7 byte&0xF0 0xC0 b, NTSC 4:3 >>4 belong&0xFFFFFF00 0x2801E000 b, LD-TV 640P >>>7 byte&0xF0 0x10 b, 4:3 >>4 belong&0xFFFFFF00 0x1400F000 b, 320x240 >>>7 byte&0xF0 0x10 b, 4:3 >>4 belong&0xFFFFFF00 0x0F00A000 b, 240x160 >>>7 byte&0xF0 0x10 b, 4:3 >>4 belong&0xFFFFFF00 0x0A007800 b, 160x120 >>>7 byte&0xF0 0x10 b, 4:3 >>4 beshort&0xFFF0 0x1600 b, CIF >>>5 beshort&0x0FFF 0x00F0 b NTSC >>>5 beshort&0x0FFF 0x0120 b PAL >>>7 byte&0xF0 0x20 b, 4:3 >>>7 byte&0xF0 0x30 b, 16:9 >>>7 byte&0xF0 0x40 b, 11:5 >>>7 byte&0xF0 0x80 b, PAL 4:3 >>>7 byte&0xF0 0xC0 b, NTSC 4:3 >>>5 beshort&0x0FFF 0x0240 b PAL 625 >>>>7 byte&0xF0 0x20 b, 4:3 >>>>7 byte&0xF0 0x30 b, 16:9 >>>>7 byte&0xF0 0x40 b, 11:5 >>4 beshort&0xFFF0 0x2D00 b, CCIR/ITU >>>5 beshort&0x0FFF 0x01E0 b NTSC 525 >>>5 beshort&0x0FFF 0x0240 b PAL 625 >>>7 byte&0xF0 0x20 b, 4:3 >>>7 byte&0xF0 0x30 b, 16:9 >>>7 byte&0xF0 0x40 b, 11:5 >>4 beshort&0xFFF0 0x1E00 b, SVCD >>>5 beshort&0x0FFF 0x01E0 b NTSC 525 >>>5 beshort&0x0FFF 0x0240 b PAL 625 >>>7 byte&0xF0 0x20 b, 4:3 >>>7 byte&0xF0 0x30 b, 16:9 >>>7 byte&0xF0 0x40 b, 11:5 >>7 byte&0x0F 1 b, 23.976 fps >>7 byte&0x0F 2 b, 24 fps >>7 byte&0x0F 3 b, 25 fps >>7 byte&0x0F 4 b, 29.97 fps >>7 byte&0x0F 5 b, 30 fps >>7 byte&0x0F 6 b, 50 fps >>7 byte&0x0F 7 b, 59.94 fps >>7 byte&0x0F 8 b, 60 fps >>11 byte &0x04 b, Constrained

# MPEG ADTS Audio (*.mpx/mxa/aac) # from dreesen@math.fu-berlin.de # modified to fully support MPEG ADTS

# MP3, M1A # modified by Joerg Jenderek # GRR the original test are too common for many DOS files # so don't accept as MP3 until we've tested the rate 0 beshort&0xFFFE 0xFFFA # rates >2 byte&0xF0 0x10 MPEG ADTS, layer III, v1, 32 kbps !:mime audio/mpeg >2 byte&0xF0 0x20 MPEG ADTS, layer III, v1, 40 kbps !:mime audio/mpeg >2 byte&0xF0 0x30 MPEG ADTS, layer III, v1, 48 kbps !:mime audio/mpeg >2 byte&0xF0 0x40 MPEG ADTS, layer III, v1, 56 kbps !:mime audio/mpeg >2 byte&0xF0 0x50 MPEG ADTS, layer III, v1, 64 kbps !:mime audio/mpeg >2 byte&0xF0 0x60 MPEG ADTS, layer III, v1, 80 kbps !:mime audio/mpeg >2 byte&0xF0 0x70 MPEG ADTS, layer III, v1, 96 kbps !:mime audio/mpeg >2 byte&0xF0 0x80 MPEG ADTS, layer III, v1, 112 kbps !:mime audio/mpeg >2 byte&0xF0 0x90 MPEG ADTS, layer III, v1, 128 kbps !:mime audio/mpeg >2 byte&0xF0 0xA0 MPEG ADTS, layer III, v1, 160 kbps !:mime audio/mpeg >2 byte&0xF0 0xB0 MPEG ADTS, layer III, v1, 192 kbps !:mime audio/mpeg >2 byte&0xF0 0xC0 MPEG ADTS, layer III, v1, 224 kbps !:mime audio/mpeg >2 byte&0xF0 0xD0 MPEG ADTS, layer III, v1, 256 kbps !:mime audio/mpeg >2 byte&0xF0 0xE0 MPEG ADTS, layer III, v1, 320 kbps !:mime audio/mpeg # timing >2 byte&0x0C 0x00 b, 44.1 kHz >2 byte&0x0C 0x04 b, 48 kHz >2 byte&0x0C 0x08 b, 32 kHz # channels/options >3 byte&0xC0 0x00 b, Stereo >3 byte&0xC0 0x40 b, JntStereo >3 byte&0xC0 0x80 b, 2x Monaural >3 byte&0xC0 0xC0 b, Monaural #>1 byte ^0x01 b, Data Verify #>2 byte &0x02 b, Packet Pad #>2 byte &0x01 b, Custom Flag #>3 byte &0x08 b, Copyrighted #>3 byte &0x04 b, Original Source #>3 byte&0x03 1 b, NR: 50/15 ms #>3 byte&0x03 3 b, NR: CCIT J.17

# MP2, M1A 0 beshort&0xFFFE 0xFFFC MPEG ADTS, layer II, v1 !:mime audio/mpeg # rates >2 byte&0xF0 0x10 b, 32 kbps >2 byte&0xF0 0x20 b, 48 kbps >2 byte&0xF0 0x30 b, 56 kbps >2 byte&0xF0 0x40 b, 64 kbps >2 byte&0xF0 0x50 b, 80 kbps >2 byte&0xF0 0x60 b, 96 kbps >2 byte&0xF0 0x70 b, 112 kbps >2 byte&0xF0 0x80 b, 128 kbps >2 byte&0xF0 0x90 b, 160 kbps >2 byte&0xF0 0xA0 b, 192 kbps >2 byte&0xF0 0xB0 b, 224 kbps >2 byte&0xF0 0xC0 b, 256 kbps >2 byte&0xF0 0xD0 b, 320 kbps >2 byte&0xF0 0xE0 b, 384 kbps # timing >2 byte&0x0C 0x00 b, 44.1 kHz >2 byte&0x0C 0x04 b, 48 kHz >2 byte&0x0C 0x08 b, 32 kHz # channels/options >3 byte&0xC0 0x00 b, Stereo >3 byte&0xC0 0x40 b, JntStereo >3 byte&0xC0 0x80 b, 2x Monaural >3 byte&0xC0 0xC0 b, Monaural #>1 byte ^0x01 b, Data Verify #>2 byte &0x02 b, Packet Pad #>2 byte &0x01 b, Custom Flag #>3 byte &0x08 b, Copyrighted #>3 byte &0x04 b, Original Source #>3 byte&0x03 1 b, NR: 50/15 ms #>3 byte&0x03 3 b, NR: CCIT J.17

# MPA, M1A # updated by Joerg Jenderek # GRR the original test are too common for many DOS files, so test 32 <= kbits <= 448 # GRR this test is still too general as it catches a BOM of UTF-16 files (0xFFFE) # FIXME: Almost all little endian UTF-16 text with BOM are clobbered by these entries #0 beshort&0xFFFE 0xFFFE #>2 ubyte&0xF0 >0x0F #>>2 ubyte&0xF0 <0xE1 MPEG ADTS, layer I, v1 ## rate #>>>2 byte&0xF0 0x10 b, 32 kbps #>>>2 byte&0xF0 0x20 b, 64 kbps #>>>2 byte&0xF0 0x30 b, 96 kbps #>>>2 byte&0xF0 0x40 b, 128 kbps #>>>2 byte&0xF0 0x50 b, 160 kbps #>>>2 byte&0xF0 0x60 b, 192 kbps #>>>2 byte&0xF0 0x70 b, 224 kbps #>>>2 byte&0xF0 0x80 b, 256 kbps #>>>2 byte&0xF0 0x90 b, 288 kbps #>>>2 byte&0xF0 0xA0 b, 320 kbps #>>>2 byte&0xF0 0xB0 b, 352 kbps #>>>2 byte&0xF0 0xC0 b, 384 kbps #>>>2 byte&0xF0 0xD0 b, 416 kbps #>>>2 byte&0xF0 0xE0 b, 448 kbps ## timing #>>>2 byte&0x0C 0x00 b, 44.1 kHz #>>>2 byte&0x0C 0x04 b, 48 kHz #>>>2 byte&0x0C 0x08 b, 32 kHz ## channels/options #>>>3 byte&0xC0 0x00 b, Stereo #>>>3 byte&0xC0 0x40 b, JntStereo #>>>3 byte&0xC0 0x80 b, 2x Monaural #>>>3 byte&0xC0 0xC0 b, Monaural ##>1 byte ^0x01 b, Data Verify ##>2 byte &0x02 b, Packet Pad ##>2 byte &0x01 b, Custom Flag ##>3 byte &0x08 b, Copyrighted ##>3 byte &0x04 b, Original Source ##>3 byte&0x03 1 b, NR: 50/15 ms ##>3 byte&0x03 3 b, NR: CCIT J.17

# MP3, M2A 0 beshort&0xFFFE 0xFFF2 MPEG ADTS, layer III, v2 !:mime audio/mpeg # rate >2 byte&0xF0 0x10 b, 8 kbps >2 byte&0xF0 0x20 b, 16 kbps >2 byte&0xF0 0x30 b, 24 kbps >2 byte&0xF0 0x40 b, 32 kbps >2 byte&0xF0 0x50 b, 40 kbps >2 byte&0xF0 0x60 b, 48 kbps >2 byte&0xF0 0x70 b, 56 kbps >2 byte&0xF0 0x80 b, 64 kbps >2 byte&0xF0 0x90 b, 80 kbps >2 byte&0xF0 0xA0 b, 96 kbps >2 byte&0xF0 0xB0 b, 112 kbps >2 byte&0xF0 0xC0 b, 128 kbps >2 byte&0xF0 0xD0 b, 144 kbps >2 byte&0xF0 0xE0 b, 160 kbps # timing >2 byte&0x0C 0x00 b, 22.05 kHz >2 byte&0x0C 0x04 b, 24 kHz >2 byte&0x0C 0x08 b, 16 kHz # channels/options >3 byte&0xC0 0x00 b, Stereo >3 byte&0xC0 0x40 b, JntStereo >3 byte&0xC0 0x80 b, 2x Monaural >3 byte&0xC0 0xC0 b, Monaural #>1 byte ^0x01 b, Data Verify #>2 byte &0x02 b, Packet Pad #>2 byte &0x01 b, Custom Flag #>3 byte &0x08 b, Copyrighted #>3 byte &0x04 b, Original Source #>3 byte&0x03 1 b, NR: 50/15 ms #>3 byte&0x03 3 b, NR: CCIT J.17

# MP2, M2A 0 beshort&0xFFFE 0xFFF4 MPEG ADTS, layer II, v2 # rate >2 byte&0xF0 0x10 b, 8 kbps >2 byte&0xF0 0x20 b, 16 kbps >2 byte&0xF0 0x30 b, 24 kbps >2 byte&0xF0 0x40 b, 32 kbps >2 byte&0xF0 0x50 b, 40 kbps >2 byte&0xF0 0x60 b, 48 kbps >2 byte&0xF0 0x70 b, 56 kbps >2 byte&0xF0 0x80 b, 64 kbps >2 byte&0xF0 0x90 b, 80 kbps >2 byte&0xF0 0xA0 b, 96 kbps >2 byte&0xF0 0xB0 b, 112 kbps >2 byte&0xF0 0xC0 b, 128 kbps >2 byte&0xF0 0xD0 b, 144 kbps >2 byte&0xF0 0xE0 b, 160 kbps # timing >2 byte&0x0C 0x00 b, 22.05 kHz >2 byte&0x0C 0x04 b, 24 kHz >2 byte&0x0C 0x08 b, 16 kHz # channels/options >3 byte&0xC0 0x00 b, Stereo >3 byte&0xC0 0x40 b, JntStereo >3 byte&0xC0 0x80 b, 2x Monaural >3 byte&0xC0 0xC0 b, Monaural #>1 byte ^0x01 b, Data Verify #>2 byte &0x02 b, Packet Pad #>2 byte &0x01 b, Custom Flag #>3 byte &0x08 b, Copyrighted #>3 byte &0x04 b, Original Source #>3 byte&0x03 1 b, NR: 50/15 ms #>3 byte&0x03 3 b, NR: CCIT J.17

# MPA, M2A 0 beshort&0xFFFE 0xFFF6 MPEG ADTS, layer I, v2 !:mime audio/mpeg # rate >2 byte&0xF0 0x10 b, 32 kbps >2 byte&0xF0 0x20 b, 48 kbps >2 byte&0xF0 0x30 b, 56 kbps >2 byte&0xF0 0x40 b, 64 kbps >2 byte&0xF0 0x50 b, 80 kbps >2 byte&0xF0 0x60 b, 96 kbps >2 byte&0xF0 0x70 b, 112 kbps >2 byte&0xF0 0x80 b, 128 kbps >2 byte&0xF0 0x90 b, 144 kbps >2 byte&0xF0 0xA0 b, 160 kbps >2 byte&0xF0 0xB0 b, 176 kbps >2 byte&0xF0 0xC0 b, 192 kbps >2 byte&0xF0 0xD0 b, 224 kbps >2 byte&0xF0 0xE0 b, 256 kbps # timing >2 byte&0x0C 0x00 b, 22.05 kHz >2 byte&0x0C 0x04 b, 24 kHz >2 byte&0x0C 0x08 b, 16 kHz # channels/options >3 byte&0xC0 0x00 b, Stereo >3 byte&0xC0 0x40 b, JntStereo >3 byte&0xC0 0x80 b, 2x Monaural >3 byte&0xC0 0xC0 b, Monaural #>1 byte ^0x01 b, Data Verify #>2 byte &0x02 b, Packet Pad #>2 byte &0x01 b, Custom Flag #>3 byte &0x08 b, Copyrighted #>3 byte &0x04 b, Original Source #>3 byte&0x03 1 b, NR: 50/15 ms #>3 byte&0x03 3 b, NR: CCIT J.17

# MP3, M25A 0 beshort&0xFFFE 0xFFE2 MPEG ADTS, layer III, v2.5 !:mime audio/mpeg # rate >2 byte&0xF0 0x10 b, 8 kbps >2 byte&0xF0 0x20 b, 16 kbps >2 byte&0xF0 0x30 b, 24 kbps >2 byte&0xF0 0x40 b, 32 kbps >2 byte&0xF0 0x50 b, 40 kbps >2 byte&0xF0 0x60 b, 48 kbps >2 byte&0xF0 0x70 b, 56 kbps >2 byte&0xF0 0x80 b, 64 kbps >2 byte&0xF0 0x90 b, 80 kbps >2 byte&0xF0 0xA0 b, 96 kbps >2 byte&0xF0 0xB0 b, 112 kbps >2 byte&0xF0 0xC0 b, 128 kbps >2 byte&0xF0 0xD0 b, 144 kbps >2 byte&0xF0 0xE0 b, 160 kbps # timing >2 byte&0x0C 0x00 b, 11.025 kHz >2 byte&0x0C 0x04 b, 12 kHz >2 byte&0x0C 0x08 b, 8 kHz # channels/options >3 byte&0xC0 0x00 b, Stereo >3 byte&0xC0 0x40 b, JntStereo >3 byte&0xC0 0x80 b, 2x Monaural >3 byte&0xC0 0xC0 b, Monaural #>1 byte ^0x01 b, Data Verify #>2 byte &0x02 b, Packet Pad #>2 byte &0x01 b, Custom Flag #>3 byte &0x08 b, Copyrighted #>3 byte &0x04 b, Original Source #>3 byte&0x03 1 b, NR: 50/15 ms #>3 byte&0x03 3 b, NR: CCIT J.17

# AAC (aka MPEG-2 NBC audio) and MPEG-4 audio

# Stored AAC streams (instead of the MP4 format) 0 string ADIF MPEG ADIF, AAC !:mime audio/x-hx-aac-adif >4 byte &0x80 >>13 byte &0x10 b, VBR >>13 byte ^0x10 b, CBR >>16 byte&0x1E 0x02 b, single stream >>16 byte&0x1E 0x04 b, 2 streams >>16 byte&0x1E 0x06 b, 3 streams >>16 byte &0x08 b, 4 or more streams >>16 byte &0x10 b, 8 or more streams >>4 byte &0x80 b, Copyrighted >>13 byte &0x40 b, Original Source >>13 byte &0x20 b, Home Flag >4 byte ^0x80 >>4 byte &0x10 b, VBR >>4 byte ^0x10 b, CBR >>7 byte&0x1E 0x02 b, single stream >>7 byte&0x1E 0x04 b, 2 streams >>7 byte&0x1E 0x06 b, 3 streams >>7 byte &0x08 b, 4 or more streams >>7 byte &0x10 b, 8 or more streams >>4 byte &0x40 b, Original Stream(s) >>4 byte &0x20 b, Home Source

# Live or stored single AAC stream (used with MPEG-2 systems) 0 beshort&0xFFF6 0xFFF0 MPEG ADTS, AAC !:mime audio/x-hx-aac-adts >1 byte &0x08 b, v2 >1 byte ^0x08 b, v4 # profile >>2 byte &0xC0 b LTP >2 byte&0xc0 0x00 b Main >2 byte&0xc0 0x40 b LC >2 byte&0xc0 0x80 b SSR # timing >2 byte&0x3c 0x00 b, 96 kHz >2 byte&0x3c 0x04 b, 88.2 kHz >2 byte&0x3c 0x08 b, 64 kHz >2 byte&0x3c 0x0c b, 48 kHz >2 byte&0x3c 0x10 b, 44.1 kHz >2 byte&0x3c 0x14 b, 32 kHz >2 byte&0x3c 0x18 b, 24 kHz >2 byte&0x3c 0x1c b, 22.05 kHz >2 byte&0x3c 0x20 b, 16 kHz >2 byte&0x3c 0x24 b, 12 kHz >2 byte&0x3c 0x28 b, 11.025 kHz >2 byte&0x3c 0x2c b, 8 kHz # channels >2 beshort&0x01c0 0x0040 b, monaural >2 beshort&0x01c0 0x0080 b, stereo >2 beshort&0x01c0 0x00c0 b, stereo + center >2 beshort&0x01c0 0x0100 b, stereo+center+LFE >2 beshort&0x01c0 0x0140 b, surround >2 beshort&0x01c0 0x0180 b, surround + LFE >2 beshort &0x01C0 b, surround + side #>1 byte ^0x01 b, Data Verify #>2 byte &0x02 b, Custom Flag #>3 byte &0x20 b, Original Stream #>3 byte &0x10 b, Home Source #>3 byte &0x08 b, Copyrighted

# Live MPEG-4 audio streams (instead of RTP FlexMux) 0 beshort&0xFFE0 0x56E0 MPEG-4 LOAS !:mime audio/x-mp4a-latm #>1 beshort&0x1FFF x b, %u byte packet >3 byte&0xE0 0x40 >>4 byte&0x3C 0x04 b, single stream >>4 byte&0x3C 0x08 b, 2 streams >>4 byte&0x3C 0x0C b, 3 streams >>4 byte &0x08 b, 4 or more streams >>4 byte &0x20 b, 8 or more streams >3 byte&0xC0 0 >>4 byte&0x78 0x08 b, single stream >>4 byte&0x78 0x10 b, 2 streams >>4 byte&0x78 0x18 b, 3 streams >>4 byte &0x20 b, 4 or more streams >>4 byte &0x40 b, 8 or more streams # This magic isn't strong enough (matches plausible ISO-8859-1 text) #0 beshort 0x4DE1 MPEG-4 LO-EP audio stream #!:mime audio/x-mp4a-latm

# Summary: FLI animation format # Created by: Daniel Quinlan <quinlan@yggdrasil.com> # Modified by (1): Abel Cheung <abelcheung@gmail.com> (avoid over-generic detection) 4 leshort 0xAF11 # standard FLI always has 320x200 resolution and 8 bit color >8 leshort 320 >>10 leshort 200 >>>12 leshort 8 FLI animation, 320x200x8 !:mime video/x-fli >>>>6 leshort x b, %d frames # frame speed is multiple of 1/70s >>>>16 leshort x b, %d/70s per frame

# Summary: FLC animation format # Created by: Daniel Quinlan <quinlan@yggdrasil.com> # Modified by (1): Abel Cheung <abelcheung@gmail.com> (avoid over-generic detection) 4 leshort 0xAF12 # standard FLC always use 8 bit color >12 leshort 8 FLC animation !:mime video/x-flc >>8 leshort x b, %d >>10 leshort x bx%dx8 >>6 uleshort x b, %d frames >>16 uleshort x b, %dms per frame

# 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) #!:mime video/x-unknown #>42 byte x - %d screens, #>43 byte x %d commands #0 byte 2 DL version 2 #!:mime video/x-unknown #>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 300000000000 DL version 3

# iso 13818 transport stream # # from Oskar Schirmer <schirmer@scara.com> Feb 3, 2001 (ISO 13818.1) # (the following is a little bit restrictive and works fine for a stream # that starts with PAT properly. it won't work for stream data, that is # cut from an input device data right in the middle, but this shouldn't # disturb) # syncbyte 8 bit 0x47 # error_ind 1 bit - # payload_start 1 bit 1 # priority 1 bit - # PID 13 bit 0x0000 # scrambling 2 bit - # adaptfld_ctrl 2 bit 1 or 3 # conti_count 4 bit 0 0 belong&0xFF5FFF1F 0x47400010 MPEG transport stream data >188 byte !0x47 CORRUPTED

# DIF digital video file format <mpruett@sgi.com> 0 belong&0xffffff00 0x1f070000 DIF >4 byte &0x01 (DVCPRO) movie file >4 byte ^0x01 (DV) movie file >3 byte &0x80 (PAL) >3 byte ^0x80 (NTSC)

# Microsoft Advanced Streaming Format (ASF) <mpruett@sgi.com> 0 belong 0x3026b275 Microsoft ASF !:mime video/x-ms-asf

# MNG Video Format, <URL:www.libpng.org/pub/mng/spec/> 0 string x8aMNG MNG video data, !:mime video/x-mng >4 belong !0x0d0a1a0a CORRUPTED, >4 belong 0x0d0a1a0a >>16 belong x %ld x >>20 belong x %ld

# JNG Video Format, <URL:www.libpng.org/pub/mng/spec/> 0 string x8bJNG JNG video data, !:mime video/x-jng >4 belong !0x0d0a1a0a CORRUPTED, >4 belong 0x0d0a1a0a >>16 belong x %ld x >>20 belong x %ld

# Vivo video (Wolfram Kleff) 3 string x0Dx0AVersion:Vivo Vivo video data

# VRML (Virtual Reality Modelling Language) 0 string/w #VRML\ V1.0\ ascii VRML 1 file !:mime model/vrml 0 string/w #VRML\ V2.0\ utf8 ISO/IEC 14772 VRML 97 file !:mime model/vrml

# X3D (Extensible 3D) [www.web3d.org/specifications/x3d-3.0.dtd] # From Michel Briand <michelbriand@free.fr> 0 string/t <?xml\ version=" !:strength +1 >20 search/1000/cw <!DOCTYPE\ X3D X3D (Extensible 3D) model xml text !:mime model/x3d

#--------------------------------------------------------------------------- # HVQM4: compressed movie format designed by Hudson for Nintendo GameCube # From Mark Sheppard <msheppard@climax.co.uk>, 2002-10-03 # 0 string HVQM4 %s >6 string >0 v%s >0 byte x GameCube movie, >0x34 ubeshort x %d x >0x36 ubeshort x %d, >0x26 ubeshort x %dµs, >0x42 ubeshort 0 no audio >0x42 ubeshort >0 %dHz audio

# From: "Stefan A. Haubenthal" <polluks@web.de> 0 string DVDVIDEO-VTS Video title set, >0x21 byte x v%x 0 string DVDVIDEO-VMG Video manager, >0x21 byte x v%x

# From: Behan Webster <behanw@websterwood.com> # NuppelVideo used by Mythtv (*.nuv) # Note: there are two identical stanzas here differing only in the # initial string matched. It used to be done with a regex, but we're # trying to get rid of those. 0 string NuppelVideo MythTV NuppelVideo >12 string x v%s >20 lelong x (%d >24 lelong x bx%d), >36 string P bprogressive, >36 string I binterlaced, >40 ledouble x baspect:%.2f, >48 ledouble x bfps:%.2f 0 string MythTV MythTV NuppelVideo >12 string x v%s >20 lelong x (%d >24 lelong x bx%d), >36 string P bprogressive, >36 string I binterlaced, >40 ledouble x baspect:%.2f, >48 ledouble x bfps:%.2f

# MPEG file # MPEG sequences # FIXME: This section is from the old magic.mime file and needs integrating with the rest 0 belong 0x000001BA >4 byte &0x40 !:mime video/mp2p >4 byte ^0x40 !:mime video/mpeg 0 belong 0x000001BB !:mime video/mpeg 0 belong 0x000001B0 !:mime video/mp4v-es 0 belong 0x000001B5 !:mime video/mp4v-es 0 belong 0x000001B3 !:mime video/mpv 0 belong&0xFF5FFF1F 0x47400010 !:mime video/mp2t 0 belong 0x00000001 >4 byte&0x1F 0x07 !:mime video/h264

# Type: Bink Video # Extension: .bik # URL: wiki.multimedia.cx/index.php?title=Bink_Container # From: <hoehle@users.sourceforge.net> 2008-07-18 0 string BIK Bink Video >3 regex =[a-z] rev.%s #>4 ulelong x size %d >20 ulelong x b, %d >24 ulelong x bx%d >8 ulelong x b, %d frames >32 ulelong x at rate %d/ >28 ulelong >1 b%d >40 ulelong =0 b, no audio >40 ulelong !0 b, %d audio track >>40 ulelong !1 bs # follow properties of the first audio track only >>48 uleshort x %dHz >>51 byte&0x20 0 mono >>51 byte&0x20 !0 stereo #>>51 byte&0x10 0 FFT #>>51 byte&0x10 !0 DCT

# Type: NUT Container # URL: wiki.multimedia.cx/index.php?title=NUT # From: Adam Buchbinder <adam.buchbinder@gmail.com> 0 string nut/multimedia\ container0 NUT multimedia container

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