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https://github.com/Ponce/slackbuilds
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49 lines
1.5 KiB
Bash
49 lines
1.5 KiB
Bash
#!/bin/bash
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# 20221224 bkw: wrapper script for asapconv, part of SBo asap build.
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# Standalone player for SAP/etc files. asap's standalone player
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# (asap-sdl) works, but mplayer supports pause and seeking, which
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# makes it a lot nicer to use.
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# I wrote this for my own use. Might as well include it in the SBo
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# package, in case someone else wants it.
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SELF="$( basename $0 )"
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if [ "$#" = 0 -o "$1" = "--help" ]; then
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cat <<EOF
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$SELF: play Atari chiptunes via mplayer.
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Usage: $SELF [asapconv-options] filename
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"filename" must be a file supported by asapconv; usually these are
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*.sap files, but other formats are supported. Run "asapconv --help"
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to see the list of supported file formats.
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Any options given will be passed as-is to asapconv. This can be used
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e.g. to select a subsong via "-s 2" or such.
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$SELF is part of the SlackBuilds.org asap package, and is licensed
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under the WTFPL.
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EOF
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exit 0
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fi
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# asapconv can write to stdout, but mplayer can't seek when it's
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# reading stdin, so use a file. The name has to end in .wav because
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# asapconv insists on it. Tried using a FIFO, but in that case mplayer
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# can't seek backwards. The wav file isn't all that big by modern
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# standards (16MB for a 3-minute song), so it doesn't matter much.
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# mktemp(3) says the -u option is "unsafe", so don't run this as root.
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WAV="$( mktemp -u -t $SELF.XXXXXXXXXX.wav )"
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asapconv -o "$WAV" "$@" || exit $?
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# don't know for sure asapconv will *always* exit non-zero on failure,
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# so check for the file's existence.
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if [ -f "$WAV" ]; then
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mplayer "$WAV"
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rm -f "$WAV"
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fi
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