diff options
| -rw-r--r-- | README.markdown | 3 | ||||
| -rwxr-xr-x | prepare-videochat.sh | 131 |
2 files changed, 108 insertions, 26 deletions
diff --git a/README.markdown b/README.markdown index a1483cf..a4b233a 100644 --- a/README.markdown +++ b/README.markdown @@ -17,8 +17,7 @@ Please make sure that audio is enabled on IP Webcam, or the script won't work! Ideas for future work: * switch to Python and use the official GStreamer binding. I'd love to see that, but I don't have enough free time :-(. -* make a separated config file (system-wide and user-defind) -* make another file (ex. prepare-mic) for preparing audio without video or allow it via config +* make a separated config file (system-wide and user-defined) Disclaimer: the script has only been tested in my local installation of Ubuntu 13.04 and on Arch Linux. I think it should work on most recent Debian-based distributions as well (and Debian, of course). If you need any help, please create an issue on this project. diff --git a/prepare-videochat.sh b/prepare-videochat.sh index 7648ab5..d353900 100755 --- a/prepare-videochat.sh +++ b/prepare-videochat.sh @@ -138,7 +138,15 @@ HEIGHT=480 GST_FPS=5 # Choose audio codec from wav, aac or opus -AUDIO_CODEC=opus +# do not choose opus until editing pipeline. If choose opus, pipeline will not work +# and some errors will appear in feed.log. +# I do not know how to edit pipelines for now. +AUDIO_CODEC=wav + +# Choose which stream to capture. +# a - audio only, v - video only, av - audio and video. +# Make sure that IP webcam is streaming corresponding streams, otherwise error will occur. +CAPTURE_STREAM=av ### FUNCTIONS @@ -195,8 +203,12 @@ start_adb() { can_run "$ADB" && "$ADB" $ADB_FLAGS start-server } +stop_adb() { + can_run "$ADB" && "$ADB" $ADB_FLAGS kill-server +} + phone_plugged() { - start_adb && test "$("$ADB" $ADB_FLAGS get-state)" = "device" + test "$("$ADB" $ADB_FLAGS get-state)" = "device" } url_reachable() { @@ -205,15 +217,31 @@ url_reachable() { # has it in its core, so we don't need to check that case) sudo apt-get install -y curl fi - curl -sI "$1" >/dev/null + curl -m 5 -sI "$1" >/dev/null } send_intent() { - start_adb && "$ADB" $ADB_FLAGS shell am start -a android.intent.action.MAIN -n $@ + "$ADB" $ADB_FLAGS shell am start -a android.intent.action.MAIN -n $@ } + iw_server_is_started() { - url_reachable "$VIDEO_URL" + # todo: should check not just reachable, but if is not 404 page + # otherwise if ip webcam is streaming a, but script expects av, + # it will display that all ok, but actually not working. + if [ $CAPTURE_STREAM = av ]; then + : # help me optimize this code + temp=$(url_reachable "$AUDIO_URL"); au=$?; #echo au=$au + temp=$(url_reachable "$VIDEO_URL"); vu=$?; #echo vu=$vu + if [ $au = 0 -a $vu = 0 ]; then return 0; else return 1; fi + elif [ $CAPTURE_STREAM = a ]; then + if url_reachable "$AUDIO_URL"; then return 0; else return 1; fi + elif [ $CAPTURE_STREAM = v ]; then + if url_reachable "$VIDEO_URL"; then return 0; else return 1; fi + else + error "Incorrect CAPTURE_STREAM value ($CAPTURE_STREAM). Should be a, v or av." + fi + echo You are in error; return 1 } start_iw_server() { @@ -221,11 +249,12 @@ start_iw_server() { sleep 2s } -modid_by_sinkname() { +module_id_by_sinkname() { pacmd list-sinks | grep -e 'name:' -e 'module:' | grep -A1 "name: <$1>" | grep module: | cut -f2 -d: | tr -d ' ' } -modid_by_sourcename() { +# is this function needed somewhere? +module_id_by_sourcename() { pacmd list-sources | grep -e 'name:' -e 'module:' | grep -A1 "name: <$1>" | grep module: | cut -f2 -d: | tr -d ' ' } @@ -276,6 +305,7 @@ PA_AUDIO_CAPS="$GST_AUDIO_FORMAT $GST_AUDIO_RATE $GST_AUDIO_CHANNELS" # GStreamer debug string (see gst-launch manpage) GST_DEBUG=souphttpsrc:0,videoflip:0,$GST_CONVERTER:0,v4l2sink:0,pulse:0 +# Is $GST_CONVERTER defined anywhere? Maybe you mean videoconvert vs ffmpegcolorspace? It is in GST_VIDEO_CONVERTER ### MAIN BODY @@ -314,9 +344,10 @@ else fi # check if the user has the pulse gst plugin installed -if find "/usr/lib/gstreamer-$GST_VER/libgstpulse.so" "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstpulse.so" | egrep -q '.*'; then +if find "/usr/lib/gstreamer-$GST_VER/libgstpulse.so" "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstpulse.so" 2>/dev/null | egrep -q '.*'; then # plugin installed, do nothing - info "Found the pulse gst plugin" + # info "Found the pulse gst plugin" + : else if [ $DIST = "Debian" ] || [ $DIST = "Ubuntu" ]; then install_package "gstreamer${GST_VER}-pulseaudio" @@ -349,8 +380,9 @@ IP=$WIFI_IP if ! can_run "$ADB"; then warning "adb is not available: you'll have to use Wi-Fi, which will be slower. Next time, please install the Android SDK from developer.android.com/sdk or install adb package in Ubuntu" else - while ! phone_plugged && ! confirm "adb is available, but the phone is not plugged in. Are you sure you want to use Wi-Fi (slower)? If you don't, please connect your phone to USB and allow usb debugging under developer settings."; do + while ! phone_plugged && ! confirm "adb is available, but the phone is not plugged in. Are you sure you want to use Wi-Fi (slower)?\nIf you don't, please connect your phone to USB and allow usb debugging under developer settings."; do true + sleep 1; done if phone_plugged; then "$ADB" $ADB_FLAGS forward tcp:$PORT tcp:$PORT @@ -358,25 +390,47 @@ else fi fi -# Remind the user to open up IP Webcam and start the server BASE_URL=http://$IP:$PORT VIDEO_URL=$BASE_URL/videofeed AUDIO_URL=$BASE_URL/audio.$AUDIO_CODEC + +# start adb daemon to avoid relaunching it in while +if can_run "$ADB"; then + start_adb +fi + +# Remind the user to open up IP Webcam and start the server if phone_plugged && ! iw_server_is_started; then # If the phone is plugged to USB and we have ADB, we can start the server by sending an intent start_iw_server fi + while ! iw_server_is_started; do - info "The IP Webcam video feed is not reachable at $VIDEO_URL. Please install and open IP Webcam in your phone and start the server." + if [ $CAPTURE_STREAM = av ]; then + MESSAGE="The IP Webcam audio feed is not reachable at $AUDIO_URL.\nThe IP Webcam video feed is not reachable at $VIDEO_URL." + elif [ $CAPTURE_STREAM = a ]; then + MESSAGE="The IP Webcam audio feed is not reachable at $AUDIO_URL." + elif [ $CAPTURE_STREAM = v ]; then + MESSAGE="The IP Webcam video feed is not reachable at $VIDEO_URL." + else + error "Incorrect CAPTURE_STREAM value ($CAPTURE_STREAM). Should be a, v or av." + fi + info "$MESSAGE\nPlease install and open IP Webcam in your phone and start the server.\nMake sure that values of variables IP, PORT, CAPTURE_STREAM in this script are equal with settings in IP Webcam." done +# maybe replace mawk with core utilities to avoid additional dependency +# idea: check if default-source is correct. If two copy of script are running, +# then after ending first before second you will be set up with $SINK_NAME.monitor, +# but not with your original defauld source. +# The same issue if script was not end correctly, and you restart it. DEFAULT_SINK=$(pacmd dump | mawk '/set-default-sink/ {print $2}') DEFAULT_SOURCE=$(pacmd dump | mawk '/set-default-source/ {print $2}') SINK_NAME="ipwebcam" -SINK_ID=$(modid_by_sinkname $SINK_NAME) -ECANCEL_ID=$(modid_by_sinkname "${SINK_NAME}_echo_cancel") +SINK_ID=$(module_id_by_sinkname $SINK_NAME) +ECANCEL_ID=$(module_id_by_sinkname "${SINK_NAME}_echo_cancel") +# Registering audio device if not yet registered if [ -z $SINK_ID ] ; then SINK_ID=$(pactl load-module module-null-sink \ sink_name="$SINK_NAME" \ @@ -416,9 +470,8 @@ set +e #sudo v4l2loopback-ctl set-caps $GST_0_10_VIDEO_CAPS $DEVICE -"$GSTLAUNCH" -e -vt --gst-plugin-spew \ - --gst-debug="$GST_DEBUG" \ - souphttpsrc location="$VIDEO_URL" do-timestamp=true is-live=true \ +pipeline_video() { + echo souphttpsrc location="$VIDEO_URL" do-timestamp=true is-live=true \ ! multipartdemux \ ! jpegdec \ $GST_FLIP \ @@ -426,24 +479,54 @@ set +e ! videoscale \ ! videorate \ ! $GST_VIDEO_CAPS \ - ! v4l2sink device="$DEVICE" sync=true \ - souphttpsrc location="$AUDIO_URL" do-timestamp=true is-live=true \ + ! v4l2sink device="$DEVICE" sync=true +} + +pipeline_audio() { + echo souphttpsrc location="$AUDIO_URL" do-timestamp=true is-live=true \ ! $GST_AUDIO_CAPS ! queue \ - ! pulsesink device="$SINK_NAME" sync=true \ + ! pulsesink device="$SINK_NAME" sync=true +} + +if [ $CAPTURE_STREAM = av ]; then + PIPELINE="$( pipeline_audio ) $( pipeline_video )" +elif [ $CAPTURE_STREAM = a ]; then + PIPELINE=$( pipeline_audio ) +elif [ $CAPTURE_STREAM = v ]; then + PIPELINE=$( pipeline_video ) +else + error "Incorrect CAPTURE_STREAM value ($CAPTURE_STREAM). Should be a, v or av." +fi + +# echo "$PIPELINE" + +"$GSTLAUNCH" -e -vt --gst-plugin-spew \ + --gst-debug="$GST_DEBUG" \ + $PIPELINE \ >feed.log 2>&1 & + # Maybe we need edit this pipeline to transfer it to "Monitor of IP Webcam" to be able to use it as a microphone? GSTLAUNCH_PID=$! -info "IP Webcam video is streaming through v4l2loopback device $DEVICE. -IP Webcam audio is streaming through pulseaudio sink '$SINK_NAME'. -You can now open your videochat app." +if [ $CAPTURE_STREAM = av ]; then + MESSAGE="IP Webcam audio is streaming through pulseaudio sink '$SINK_NAME'.\nIP Webcam video is streaming through v4l2loopback device $DEVICE.\n" +elif [ $CAPTURE_STREAM = a ]; then + MESSAGE="IP Webcam audio is streaming through pulseaudio sink '$SINK_NAME'.\n" +elif [ $CAPTURE_STREAM = v ]; then + MESSAGE="IP Webcam video is streaming through v4l2loopback device $DEVICE.\n" +else + error "Incorrect CAPTURE_STREAM value ($CAPTURE_STREAM). Should be a, v or av." +fi +info "$MESSAGE You can now open your videochat app." echo "Press enter to end stream" perl -e '<STDIN>' kill $GSTLAUNCH_PID > /dev/null 2>&1 || echo "" +stop_adb pactl set-default-source ${DEFAULT_SOURCE} pactl unload-module ${ECANCEL_ID} pactl unload-module ${SINK_ID} -info "Disconnected from IP Webcam. Have a nice day!" +echo "Disconnected from IP Webcam. Have a nice day!" +# idea: capture ctrl-c signal and set default source back |