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-rw-r--r--contrib/file/Magdir/dolby57
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diff --git a/contrib/file/Magdir/dolby b/contrib/file/Magdir/dolby
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-# ATSC A/53 aka AC-3 aka Dolby Digital <ashitaka@gmx.at>
-# from http://www.atsc.org/standards/a_52a.pdf
-# corrections, additions, etc. are always welcome!
-#
-# syncword
-0 beshort 0x0b77 ATSC A/52 aka AC-3 aka Dolby Digital stream,
-# fscod
->4 byte&0xc0 0x00 48 kHz,
->4 byte&0xc0 0x40 44.1 kHz,
->4 byte&0xc0 0x80 32 kHz,
-# is this one used for 96 kHz?
->4 byte&0xc0 0xc0 reserved frequency,
-#
->5 byte&7 = 0 \b, complete main (CM)
->5 byte&7 = 1 \b, music and effects (ME)
->5 byte&7 = 2 \b, visually impaired (VI)
->5 byte&7 = 3 \b, hearing impaired (HI)
->5 byte&7 = 4 \b, dialogue (D)
->5 byte&7 = 5 \b, commentary (C)
->5 byte&7 = 6 \b, emergency (E)
-# acmod
->6 byte&0xe0 0x00 1+1 front,
->6 byte&0xe0 0x20 1 front/0 rear,
->6 byte&0xe0 0x40 2 front/0 rear,
->6 byte&0xe0 0x60 3 front/0 rear,
->6 byte&0xe0 0x80 2 front/1 rear,
->6 byte&0xe0 0xa0 3 front/1 rear,
->6 byte&0xe0 0xc0 2 front/2 rear,
->6 byte&0xe0 0xe0 3 front/2 rear,
-# lfeon (these may be incorrect)
->7 byte&0x40 0x00 LFE off,
->7 byte&0x40 0x40 LFE on,
-#
->4 byte&0x3e = 0x00 \b, 32 kbit/s
->4 byte&0x3e = 0x02 \b, 40 kbit/s
->4 byte&0x3e = 0x04 \b, 48 kbit/s
->4 byte&0x3e = 0x06 \b, 56 kbit/s
->4 byte&0x3e = 0x08 \b, 64 kbit/s
->4 byte&0x3e = 0x0a \b, 80 kbit/s
->4 byte&0x3e = 0x0c \b, 96 kbit/s
->4 byte&0x3e = 0x0e \b, 112 kbit/s
->4 byte&0x3e = 0x10 \b, 128 kbit/s
->4 byte&0x3e = 0x12 \b, 160 kbit/s
->4 byte&0x3e = 0x14 \b, 192 kbit/s
->4 byte&0x3e = 0x16 \b, 224 kbit/s
->4 byte&0x3e = 0x18 \b, 256 kbit/s
->4 byte&0x3e = 0x1a \b, 320 kbit/s
->4 byte&0x3e = 0x1c \b, 384 kbit/s
->4 byte&0x3e = 0x1e \b, 448 kbit/s
->4 byte&0x3e = 0x20 \b, 512 kbit/s
->4 byte&0x3e = 0x22 \b, 576 kbit/s
->4 byte&0x3e = 0x24 \b, 640 kbit/s
-# dsurmod (these may be incorrect)
->6 beshort&0x0180 0x0000 Dolby Surround not indicated
->6 beshort&0x0180 0x0080 not Dolby Surround encoded
->6 beshort&0x0180 0x0100 Dolby Surround encoded
->6 beshort&0x0180 0x0180 reserved Dolby Surround mode
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