initial commit

scripts/start_video

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+trim() {
+    local var=$@
+    var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters
+    var="${var%"${var##*[![:space:]]}"}"   # remove trailing whitespace characters
+    echo -n "$var"
+}
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+IP=`ip route get 8.8.8.8 | awk 'NR==1 {print $NF}'`
+VIDEO_DEVICE=`trim \`v4l2-ctl --list-devices | grep \/dev\/video | head -n 1\``
+
+# bail if no valid video devices
+if [ -z "$VIDEO_DEVICE" ]; then
+  echo "error: could not find a valid v4l device"
+  exit 1
+fi
+
+# run as sudo if necessary
+#[ "$(whoami)" != "root" ] && exec sudo -- "$0" "$@"
+
+# at this point we should be root
+echo "operating on video device $VIDEO_DEVICE"
+
+# touch log
+touch video.log
+echo "" >> video.log
+echo "*** BEGINNING RUN AT `date` ***" >> video.log
+echo "" >> video.log
+
+# configure v4l2
+sudo v4l2-ctl --device=$VIDEO_DEVICE --set-fmt-video=width=800,height=600,pixelformat=1 >>video.log 2>&1
+
+# set mic volume
+amixer -c 1 sset Mic,0 80%,80% unmute cap >>video.log 2>&1
+
+# now stream
+echo "stream is available as http://$IP:8080/"
+echo "log file is available as video.log"
+
+# working, video only
+#cvlc \
+#v4l2://$VIDEO_DEVICE:chroma=MJPG:width=800:height=600 \
+#--sout '#standard{access=http,mux=ts,dst=:8080,name=stream,mime=video/ts}' \
+#-vvv \
+#>>video.log 2>&1
+
+# working, video+audio with vlc, audio-only with mplayer*
+cvlc \
+v4l2://$VIDEO_DEVICE:chroma=MJPG:width=800:height=600 \
+:input-slave="alsa://hw:1,0" \
+--sout '#transcode{acodec=a52,ab=32}:http{mux=ts,dst=:8080,name=stream}' \
+-vvv \
+>>video.log 2>&1
+
+# gstraemer version
+#gst-launch-1.0 -v v4l2src \
+#! "image/jpeg,width=320,height=240,framerate=30/1" \
+#! multipartmux \
+#! tcpserversink host=127.0.0.1 port=5000 sync=false alsasrc device=hw:1 \
+#! audioconvert ! audioresample \
+#! 'audio/x-raw,format=S16LE,channels=1,layout=interleaved' \
+#! udpsink host=127.0.0.1 port=5001
+#! 'audio/x-raw-int,rate=8000,width=16,channels=1' \
+
+# attempt at using mp4v
+#cvlc \
+#v4l2://$VIDEO_DEVICE:chroma=MJPG:width=800:height=600 \
+#:input-slave="alsa://hw:1,0" \
+#--sout '#transcode{vcodec=mp4v,acodec=mpga,vb=800,ab=128}:standard{access=http,mux=ts,dst=:8080}' \
+#-vvv \
+#>>video.log 2>&1
+
+# attempt at using x264
+#cvlc v4l2://$VIDEO_DEVICE:chroma=YUY2:width=800:height=600 :input-slave="alsa://hw:1,0" --sout '#transcode{vcodec=h264,vb=1024,fps=25,width=800,height=600,venc=x264{profile=baseline,level=1},acodec=mp3,ab=128,channels=2,samplerate=48000}:http{dst=:8080,mux=ts}' -vvv
+
+# attempt at using webm
+#cvlc \
+#v4l2://$VIDEO_DEVICE:chroma=YUY2:width=800:height=600 \
+#:input-slave="alsa://hw:1,0" \
+#--sout '#transcode{vcodec=VP80,vb=1000}:std{access=http{mime=video/webm},mux=webm,dst=:8080}' \
+#-vvv \
+#>>video.log 2>&1
+
+# attempt at using ogg
+#cvlc \
+#v4l2://$VIDEO_DEVICE:chroma=YUY2:width=800:height=600 \
+#:input-slave="alsa://hw:1,0" \
+#--sout '#transcode{vcodec=theo,vb=2000}:std{access=http{mime=video/ogg},mux=ogg,dst=:8080}' \
+#-vvv \
+#>>video.log 2>&1
+
+#cvlc v4l2://$VIDEO_DEVICE:chroma=h264:width=1280:height=720 :input-slave="alsa://hw:1,0" --sout '#transcode{acodec=a52,ab=32}:http{mux=ts,dst=:8080,name=stream,mime=video/ts}' -vvv
+
+#new stream broadcast enabled input "http://192.168.0.205:8001/1:0:1:6E2E:431:1:C00000:0:0:0:" output #transcode{vcodec=h264,vb=1024,fps=25,width=800,height=480,venc=x264{profile=baseline,level=1},acodec=mp3,ab=128,channels=2,samplerate=48000}:http{dst=:8080/stream.ts}