>>>>> "JC" == James Cloos <[email protected]> writes:

JC> in general, file names are not relevant for how one can use a file.

JC> if they are indeed matroska, mkvinfo(1)'s output is also interesting.

i grabbed a clone; therein is the file tester/sounds/recording.smff.

it may be based on the matroska container format, but has its own
magic(7), and thus is not a matroska file.

the contents start out:

00000000  53 4d 46 46 00 00 00 00  00 00 9e c3 00 00 00 10  |SMFF............|
00000010  78 0b e4 c1 36 ec c5 8d  8c 49 46 99 06 1e 27 8a  |x...6....IF...'.|

whereas a mkv file's hexdump starts like:

00000000  1a 45 df a3 a3 42 86 81  01 42 f7 81 01 42 f2 81  |.E...B...B...B..|
00000010  04 42 f3 81 08 42 82 88  6d 61 74 72 6f 73 6b 61  |.B...B..matroska|
00000020  42 87 81 04 42 85 81 02  18 53 80 67 01 00 00 00  |B...B....S.g....|

-JimC
-- 
James Cloos <[email protected]>
            OpenPGP: https://jhcloos.com/0x997A9F17ED7DAEA6.asc

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