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d76cf27929
The C code was only calling ffmpeg binary anyway... Additionally create a md5 sum of the input file to avoid unnecessary conversions.
41 lines
891 B
Bash
41 lines
891 B
Bash
#!/bin/sh
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#
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# creates still-mpegs from pictures, to be able to display them
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# using a hardware video decoder. Does about the same as pic2m2v.c
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# (C) 2013 Stefan Seyfried
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# License: GPLv2+
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#
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if grep -q TRIPLEDRAGON /proc/cpuinfo; then
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RES=704x576
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else
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RES=1280x720
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fi
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while true; do
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IN=$1
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test -z "$IN" && break
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shift
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OUT="/var/cache/`echo ${IN#/}|sed 's@/@.@g'`"
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MD5=${OUT}.md5
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M2V=${OUT}.m2v
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# $MD5 not existing => return code != 0
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if [ -s $M2V ] && md5sum -c -s $MD5 > /dev/null 2>&1; then
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echo "$IN is unchanged"
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touch -r $IN $M2V
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continue
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fi
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if ! [ -e $IN ]; then
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echo "$IN does not exist!"
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continue
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fi
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echo "converting $IN -> $M2V"
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ffmpeg -v 31 -y -f mjpeg -i $IN -s $RES $M2V < /dev/null
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if ! [ -s $M2V ]; then
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echo "$M2V does not exist - conversion error?"
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continue
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fi
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# set the time identical to input file
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touch -r $IN $M2V
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md5sum $IN > $MD5
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done
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