#!/bin/sh set -e # image.sh is used by the VDR iptv plugin to transcode images from # a web server to provide a video stream. # # The script originates from Peter Holik # # Example channels.conf entries: # Energy;IPTV:50:IPTV|S0P0|EXT|png.sh|1:P:0:256:257:0:0:3:0:0:0 # Temperature;IPTV:60:IPTV|S0P0|EXT|png.sh|2:P:0:256:257:0:0:3:0:0:0 # Temperature Week;IPTV:70:IPTV|S0P0|EXT|png.sh|3:P:0:256:257:0:0:3:0:0:0 # Server Temperature;IPTV:80:IPTV|S0P0|EXT|png.sh|4:P:0:256:257:0:0:3:0:0:0 # Server Temperature Week;IPTV:90:IPTV|S0P0|EXT|png.sh|5:P:0:256:257:0:0:3:0:0:0 # Traffic;IPTV:100:IPTV|S0P0|EXT|png.sh|6:P:0:256:257:0:0:3:0:0:0 # # webcam.sh is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This package is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this package; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, # MA 02110-1301, USA. # if [ $# -ne 2 ]; then logger "$0: error: Invalid parameter count '$#' $*" exit 1 fi # Channels.conf parameter case ${1} in 1) URL="http://proxy/cgi-bin/bin/graph.cgi?hostname=proxy;plugin=energy;type=electricity" ;; 2) URL="http://proxy/cgi-bin/bin/graph.cgi?hostname=proxy;plugin=temp;type=temperature;type_instance=Outdoor" ;; 3) URL="http://proxy/cgi-bin/bin/graph.cgi?hostname=proxy;plugin=temp;type=temperature;type_instance=Outdoor;begin=-604800" ;; 4) URL="http://proxy/cgi-bin/bin/graph.cgi?hostname=proxy;plugin=temp;type=temperature;type_instance=Server" ;; 5) URL="http://proxy/cgi-bin/bin/graph.cgi?hostname=proxy;plugin=temp;type=temperature;type_instance=Server;begin=-604800" ;; 6) URL="http://proxy/cgi-bin/bin/graph.cgi?hostname=proxy;plugin=interface;type=if_octets;type_instance=ppp0" ;; *) URL="" # Default URL - TODO get dummy picture ;; esac # Iptv plugin listens this port PORT=${2} # Stream temporary files IMAGE=/tmp/image.png LOG=/dev/null { # Using wget because ffmpeg cannot handle http/1.1 "Transfer-Encoding: chunked" wget -q -O "${IMAGE}" "${URL}" # Build stream from audiodump with cycle image as video # PID 0x100/256 = Video 0x101/257 = Audio exec ffmpeg -v 10 \ -analyzeduration 0 \ -loop_input \ -i "${IMAGE}" \ -f mpegts -r 25 -vcodec mpeg2video -b 4000k -s 664x540 -padleft 20 -padright 20 -padtop 16 -padbottom 20 \ -an \ "udp://127.0.0.1:${PORT}?pkt_size=16356" } > ${LOG} 2>&1