2016-03-30 18:41:31 -04:00
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#!/bin/bash
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pcap=$1
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shift
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law=$1
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shift
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2016-03-30 18:43:39 -04:00
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if [ -z $pcap ] ; then echo "usage $0 <pcap file> [<mu-law|a-law>]"; exit 255 ; fi
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2016-03-30 18:41:31 -04:00
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if [ -z $law ] ; then law="mu-law" ; fi
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for ssrc in $(tshark -n -r $pcap -Y rtp -T fields -e rtp.ssrc -Eseparator=, | sort -u) ; do
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rm -f $pcap.$ssrc.raw $pcap.$ssrc.wav
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sudo tshark -n -r $pcap -Y "rtp && rtp.ssrc == $ssrc" -T fields -e rtp.payload | sed "s/:/ /g" | perl -ne 's/([0-9a-f]{2})/print chr hex $1/gie' >> $pcap.$ssrc.raw
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sox -t raw -r 8000 -v 4 -c 1 -e $law $pcap.$ssrc.raw $pcap.$ssrc.wav
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done
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