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#!/bin/bash
#
# Date: 2009-12-16
# Author: Ole Kristian Lien
# License: GNU General Public License
#
# Extract audio from video-file
EXT=`echo "$1"|awk -F . '{print $NF}'`
NAME=`basename $1 .$EXT`
FORMAT=`./audio_format $1`
if [ -z "$1" ]; then
echo "Usage: $0 <video-file> [<start-pos> <duration>]"
exit 1
fi
#if [ "$FORMAT" == "pcm_s16le" ]; then
# FORMAT="wav"
#fi
echo "Extracting $NAME.$FORMAT..."
if [ "$3" ]; then
#DURATION="30" #`./duration$1`
DURATION="$3"
#echo "start: $2 - Dur: $DURATION"
ffmpeg -i $1 -ss $2 -t $DURATION -vn -acodec copy $NAME.$FORMAT 2> /dev/null
else
ffmpeg -i $1 -vn -acodec copy $NAME.$FORMAT 2> /dev/null
fi
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