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21 lines
712 B
Bash
21 lines
712 B
Bash
#!/bin/sh
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#data_offset=$((0x$(xxd -plain -s 0x10 -l 4 $1 | sed 's/\(..\)\(..\)\(..\)\(..\)/\4\3\2\1/')+28))
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#channels=$((0x$(xxd -plain -s 0x16 -l 2 $1 | sed 's/\(..\)\(..\)/\2\1/')))
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#samples=$((0x$(xxd -plain -s 0x18 -l 4 $1 | sed 's/\(..\)\(..\)\(..\)\(..\)/\4\3\2\1/')))
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#bps=$((0x$(xxd -plain -s 0x22 -l 2 $1 | sed 's/\(..\)\(..\)/\2\1/')))
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data=`xxd -plain -s 0x08 -l 28 $1`
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offset=$((0x$(echo $data | sed 's/.\{16\}\(..\)\(..\)\(..\)\(..\).\{32\}/\4\3\2\1/')+28))
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dd if=$1 skip=1 bs=$offset 2>/dev/null
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shift
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for f in $@; do
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tmpdata=`xxd -plain -s 0x08 -l 28 $f`
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if [ "$data" != "$tmpdata" ]; then
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echo not matching wav properties for $f >&2
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exit
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fi
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dd if=$f skip=1 bs=$offset 2>/dev/null
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done
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