envolutura para dvstream y icecast

vstream

#!/bin/bash

# Script facilitador para transmitir video con dvswitch a icecast
# Ejemplo de uso
# vstream -h 127.0.0.1 -p 2000 -d /dev/video1 -i espora.org:8000/vstream.ogg

while [[ $# > 1 ]]
do
key="$1"
shift
case $key in
    -h|--host)
        DVSWITCHHOST="$1"
        shift
    ;;
    -p|--port)
        DVSWITCHPORT="$1"
        shift
    ;;
    -d|--dev)
        DEV="$1"
        shift
    ;;
    -i|--icecast)
        ICECAST="$1"
        shift
    ;;
    -x|--password)
        ICECASTPASS="$1"
        shift
    ;;
    *)
        echo "opción desconocido: $1"
        exit
    ;;
esac
done

ICECASTHOST="$(echo ${ICECAST} |cut -d':' -f1)"
ICECASTPORT="$(echo ${ICECAST} |cut -d':' -f2| cut -d'/' -f1)"
ICECASTMOUNT="$(echo ${ICECAST} |cut -d'/' -f2)"

if [[ -z "$DVSWITCHHOST" ]] ; then
        DVSWITCHHOST=127.0.0.1
fi
if [[ -z "$DVSWITCHPORT" ]] ; then
        DVSWITCHPORT=2000
fi
if [[ -z "$DEV" ]] ; then
        DEV=(/dev/video*)
fi
if [[ -z "$ICECASTHOST" ]] ; then
        ICECASTHOST="a.stream.mayfirst.org"
fi
if [[ -z "$ICECASTPORT" ]] ; then
        ICECASTPORT=8000
fi
if [[ -z "$ICECASTMOUNT" ]] ; then
        ICECASTMOUNT="vstream.ogg"
fi
if [[ -z "$ICECASTPASS" ]] ; then
        ICECASTPASS="source"
fi

# mostrar valores
echo -e "\nDEV: $DEV\n"
printf '%-20s | %-10s\n' DVSWITCH ICECAST
printf '%s:%-10s | %s:%s/%s\n' $DVSWITCHHOST $DVSWITCHPORT  $ICECASTHOST $ICECASTPORT $ICECASTMOUNT
printf '\n'

# revisar disponibilidad de disponitivo
if [ -c $DEV ]; then
    printf '%s\n' "INFO: webcam connectado"
else
    printf '%s\n\n' "ERROR: connecta cam e intenta de nuevo"
    exit
fi

if fuser -v $DEV > /dev/null 2>&1; then
    printf '%s\n\n' "ERROR: $DEV ocpupada"
    exit
else
    printf '%s\n' "INFO: $DEV"
fi

# inicia dvswitch
dvswitch -h $DVSWITCHHOST -p $DVSWITCHPORT 2>&1 &

# pipe usb cam to dvswitch
avconv  -f video4linux2  -i $DEV  -target ntsc-dv - \
    | dvsource-file /dev/stdin -p $DVSWITCHPORT -h $DVSWITCHHOST 2>&1 &

# a icecast
dvsink-command -h $DVSWITCHHOST -p $DVSWITCHHOST \
    | ffmpeg2theora -f dv -F 12:5 --speedlevel 0 -v 4 -a 0 -c 1 -H 9600 -o - \
    | oggfwd $ICECASTHOST $ICECASTPORT $ICECASTPASS $ICECASTMOUNT