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add pcap-extract.sh

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This commit is contained in:
Anthony Minessale 2016-03-30 17:41:31 -05:00
parent ad5e6aff1e
commit 6a82785021
1 changed files with 16 additions and 0 deletions
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support-d/utils/pcap-extract.sh Normal file
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#!/bin/bash
pcap=$1
shift
law=$1
shift
if [ -z $law ] ; then law="mu-law" ; fi
for ssrc in $(tshark -n -r $pcap -Y rtp -T fields -e rtp.ssrc -Eseparator=, | sort -u) ; do
rm -f $pcap.$ssrc.raw $pcap.$ssrc.wav
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
sox -t raw -r 8000 -v 4 -c 1 -e $law $pcap.$ssrc.raw $pcap.$ssrc.wav
done