> > I wasn't clear from your post of the aiff file was an export from Ableton, > or raw capture files stores in a working directory. >
These are aif files from a partner distributed by Ableton. Ableton's aiff export gives a normal pcm_s24be aiff that ffmpeg happily decodes. Presumably they have an internal tool to create these "encrypted" aiffs. On Fri, 20 Sep 2019 at 09:41, Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > Am Fr., 20. Sept. 2019 um 10:30 Uhr schrieb Carl Eugen Hoyos > <ceffm...@gmail.com>: > > > > > https://files-adamj-eu.s3.amazonaws.com/ffmpeg-devel/Raylon-190-Full.aif > > > > https://files-adamj-eu.s3.amazonaws.com/ffmpeg-devel/Raylon-190-Full.wav > > > Thank you for posting the samples! > > They are "encrypted", I doubt it is a strong encryption (too many > > patterns) but I don't know how to undo it. > > This is the beginning of the encrypted audio (could be wrong endianness): > 00000000 de d1 f3 23 96 87 73 53 75 ad ac b7 4a 93 6e 95 > |...#..sSu...J.n.| > 00000010 51 ec 74 ed 86 60 16 86 af 47 7d 65 b1 ea 11 03 > |Q.t..`...G}e....| > 00000020 ad 40 4c f6 dd 06 a4 23 91 3a 19 ae 61 dd 94 f2 > |.@L....#.:..a...| > 00000030 c6 80 0d ce 68 a7 22 90 ba 50 e3 78 5f 0c f5 4c > |....h."..P.x_..L| > 00000040 82 4c ac d9 44 7a 77 a7 6d c0 1c 58 71 5d bd 7b > |.L..Dzw.m..Xq].{| > 00000050 a5 41 d8 5d 5e 04 83 36 cf 17 ac e6 43 d3 3d ac > |.A.]^..6....C.=.| > 00000060 df 91 60 ce c6 72 cb a4 0b 6f 5f 27 0d a0 82 27 > |..`..r...o_'...'| > 00000070 88 0e 8b 41 3e f5 23 34 3c 4e 6b 4e 32 86 df d5 > |...A>.#4<NkN2...| > 00000080 32 f5 6a 56 88 e9 e6 79 47 92 46 7a 7c 84 7e 9f > |2.jV...yG.Fz|.~.| > 00000090 ae f0 69 c2 c1 58 d2 2d 80 ab 75 24 22 14 fe 5d > |..i..X.-..u$"..]| > 000000a0 98 42 df 68 02 91 b8 42 d1 1d a0 d7 87 ac 13 89 > |.B.h...B........| > 000000b0 38 3d 46 66 f7 88 4b da 53 54 71 51 a0 8c 51 98 > |8=Ff..K.STqQ..Q.| > 000000c0 58 bb 5c 40 0b 78 aa e9 4f 90 97 c6 1a 68 4b bc > |X.\@.x..O....hK.| > 000000d0 37 53 43 80 78 2f 37 79 52 ce 91 e6 34 5c c6 de > |7SC.x/7yR...4\..| > 000000e0 1d 94 f2 68 85 38 d7 f1 45 7a e0 f4 32 41 c7 d9 > |...h.8..Ez..2A..| > 000000f0 0e 01 e6 7e 32 d3 12 4d 1e be bd 31 b7 06 b3 cf > |...~2..M...1....| > > This is the pcm_s24le output: > 00000000 00 00 00 00 00 00 49 07 00 49 07 00 ec f9 ff eb > |......I..I......| > 00000010 f9 ff 82 e1 ff 81 e1 ff a4 26 00 a2 26 00 cf 6d > |.........&..&..m| > 00000020 ff cd 6d ff b6 b6 ff b4 b6 ff 31 d2 00 2e d2 00 > |..m.......1.....| > 00000030 78 ef 00 76 ef 00 d2 ec fe d1 ec fe b8 0b 00 b6 > |x..v............| > 00000040 0b 00 98 56 00 94 56 00 4d 71 ff 49 71 ff ee 76 > |...V..V.Mq.Iq..v| > 00000050 00 eb 76 00 0c 4e 00 08 4e 00 ac f0 00 a8 f0 00 > |..v..N..N.......| > 00000060 81 1d ff 7c 1d ff e5 85 ff e2 85 ff ae 0d fe a9 > |...|............| > 00000070 0d fe 31 37 00 2c 37 00 ac ac 02 a8 ac 02 df ac > |..17.,7.........| > 00000080 00 d9 ac 00 31 be fe 2b be fe 0c c7 00 06 c7 00 > |....1..+........| > 00000090 92 7d fd 8c 7d fd a9 50 05 a3 50 05 c2 dd fe bc > |.}..}..P..P.....| > 000000a0 dd fe 71 07 fe 6a 07 fe d9 ef fb d1 ef fb e9 c7 > |..q..j..........| > 000000b0 05 e2 c7 05 c0 4c ff ba 4c ff e1 27 00 d9 27 00 > |.....L..L..'..'.| > 000000c0 7e 9e 00 77 9e 00 32 99 fe 2b 99 fe ae 7b 01 a5 > |~..w..2..+...{..| > 000000d0 7b 01 90 03 ff 89 03 ff 70 7b fc 67 7b fc a7 10 > |{.......p{.g{...| > 000000e0 01 9c 10 01 73 44 03 69 44 03 91 6e f9 86 6e f9 > |....sD.iD..n..n.| > 000000f0 ae a3 05 a3 a3 05 2f c8 00 24 c8 00 bf e7 02 b3 > |....../..$......| > > Carl Eugen > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". -- Adam _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
