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1 files changed, 526 insertions, 0 deletions

diff --git a/.scripts/ipcam b/.scripts/ipcam
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index 0000000..3bc6d73
--- /dev/null
+++ b/.scripts/ipcam
@@ -0,0 +1,526 @@
+#!/bin/bash
+
+### FUNCTIONS
+
+show_help() {
+	echo "Usage:"
+	echo " $0 [options]"
+	echo
+	echo "Script for using IP Webcam as a microphone/webcam."
+	echo
+	echo "Options:"
+	echo " -a, --audio            capture only audio"
+	echo " -b, --adb-path <path>  set adb location if not in PATH"
+	echo " -C, --no-echo-cancel   do not set up echo cancellation"
+	echo " -d, --device <device>  force video device to use"
+	echo " -f, --flip <flip>      flip image"
+	echo " -h, --height <height>  set image height (default 480)"
+	echo " -l, --adb-flags <id>   adb flags to specify device id"
+	echo " -i, --use-wifi <ip>    use wi-fi mode with specified ip"
+	echo " -p, --port <port>      port on which IP Webcam is listening (default 8080)"
+	echo " -P, --password <pass>  password for accesing the IP Webcam"
+	echo " -s, --no-sync          No force syncing to timestamps"
+	echo " -t, --with-tee         adds the 'tee' multiplexer to the pipeline, to workaround 'single-frame' capture issue (see issue #97)"
+	echo " -u, --username <user>  username for accesing the IP Webcam"
+	echo " -v, --video            capture only video"
+	echo " -w, --width <width>    set image width (default 640)"
+	echo " -x, --no-proxy         disable proxy while acessing IP"
+	echo "     --help             show this help"
+}
+check_os_version() {
+	# checks if the OS version can use newer GStreamer version
+	DIST="$1"
+	RELEASE="$2"
+
+	case "$DIST" in
+	"Debian") return "$(echo "$RELEASE < 8.0" | bc)" ;;
+	"Ubuntu") return "$(echo "$RELEASE < 14.04" | bc)" ;;
+	"LinuxMint") return "$(echo "$RELEASE < 14.04" | bc)" ;;
+	"Arch") return 0 ;;
+	esac
+	# assume other Distributions are also new enough, by now
+	return 0
+}
+
+error() {
+	zenity --error --no-wrap --text "$@" >/dev/null 2>&1
+	exit 1
+}
+
+warning() {
+	zenity --warning --no-wrap --text "$@" >/dev/null 2>&1
+}
+
+info() {
+	zenity --info --no-wrap --text "$@" >/dev/null 2>&1
+}
+
+confirm() {
+	zenity --question --no-wrap --text "$@" >/dev/null 2>&1
+}
+
+can_run() {
+	# It's either the path to a file, or the name of an executable in $PATH
+	which "$1" >/dev/null 2>/dev/null
+}
+
+start_adb() {
+	can_run "$ADB" && "$ADB" $ADB_FLAGS start-server
+}
+
+phone_plugged() {
+	test "$("$ADB" $ADB_FLAGS get-state 2>/dev/null)" = "device"
+}
+
+url_reachable() {
+	CURL_OPTIONS=""
+	if [ $DISABLE_PROXY = 1 ]; then
+		CURL_OPTIONS+="--noproxy $IP"
+	fi
+
+	if [[ $USERNAME != "" && $PASSWORD != "" ]]; then
+		CURL_OPTIONS+="-u $USERNAME:$PASSWORD"
+	fi
+	# -f produces a non-zero status code when answer is 4xx or 5xx
+	curl $CURL_OPTIONS -f -m 5 -sI "$1" >/dev/null
+}
+
+iw_server_is_started() {
+	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
+}
+
+module_id_by_sinkname() {
+	pactl list sinks | grep -e "Name:" -e "Module:" | grep -A1 "Name: $1$" | grep Module: | cut -f2 -d: | tr -d ' '
+}
+
+### CONFIGURATION
+
+# Exit on first error
+set -e
+
+# 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.
+# Defaults to audio and video, ovverrided by command line options.
+CAPTURE_STREAM=av
+
+# Choose audio codec from wav, aac or 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
+
+# Port on which IP Webcam is listening
+# Defaults to 8080, ovverrided by command line options.
+PORT=8080
+
+# If your "adb" is not in your $PATH, specify it on command line.
+if can_run adb; then ADB=$(which adb); fi
+
+# Flags for ADB.
+# when you need to pick from several devices, specify deviceid on command line (list deviceids with 'adb devices').
+ADB_FLAGS=
+
+# set on command line
+FLIP_METHOD=
+
+# Default dimensions of video, can be overridden on command line.
+# Make sure both dimensions are multiples of 16 (see issue #97).
+WIDTH=640
+HEIGHT=480
+
+# Force syncing to timestamps. Useful to keep audio and video in sync,
+# but may impact performance in slow connections. If you see errors about
+# timestamping or you do not need audio, you can try changing this to false from command line.
+SYNC=true
+
+# To disable proxy while acessing IP (set value 1 to disable, 0 for not)
+# For cases when host m/c is connected to a Proxy-Server and IP belongs to local network
+DISABLE_PROXY=0
+
+# To disable echo cancellation
+DISABLE_ECHO_CANCEL=0
+
+# Use exclusive caps by default (required by Chrome, Cheese and others)
+V4L2_OPTS="exclusive_caps=1"
+
+USERNAME=""
+PASSWORD=""
+
+OPTS=$(getopt -o ab:Cd:f:h:l:i:p:P:stu:vw:x --long audio,adb-path:,no-echo-cancel,device:,flip:,height:,help,adb-flags:,use-wifi:,port:,password:,no-sync,with-tee,username:,video,width:,no-proxy -n "$0" -- "$@")
+eval set -- "$OPTS"
+
+while true; do
+	case "$1" in
+	-a | --audio)
+		CAPTURE_STREAM="a"
+		shift
+		;;
+	-b | --adb-path)
+		ADB="$2"
+		shift 2
+		;;
+	-C | --no-echo-cancel)
+		DISABLE_ECHO_CANCEL=1
+		shift
+		;;
+	-d | --device)
+		DEVICE="$2"
+		shift 2
+		;;
+	-f | --flip)
+		FLIP_METHOD="$2"
+		shift 2
+		;;
+	-h | --height)
+		HEIGHT="$2"
+		shift 2
+		;;
+	-l | --adb-flags)
+		ADB_FLAGS="-s $2"
+		shift 2
+		;;
+	-i | --use-wifi)
+		IP="$2"
+		shift 2
+		;;
+	-p | --port)
+		PORT="$2"
+		shift 2
+		;;
+	-P | --password)
+		PASSWORD="$2"
+		shift 2
+		;;
+	-u | --username)
+		USERNAME="$2"
+		shift 2
+		;;
+	-s | --no-sync)
+		SYNC=false
+		shift
+		;;
+	-t | --with-tee)
+		USE_TEE=true
+		shift
+		;;
+	-v | --video)
+		CAPTURE_STREAM="v"
+		shift
+		;;
+	-w | --width)
+		WIDTH="$2"
+		shift 2
+		;;
+	-x | --no-proxy)
+		DISABLE_PROXY=1
+		shift
+		;;
+	--help)
+		show_help
+		exit
+		shift
+		;;
+	--)
+		shift
+		break
+		;;
+	*)
+		echo "Internal error!"
+		exit 1
+		;;
+	esac
+done
+
+declare -A DISTS
+DISTS=(["Debian"]=1 ["Ubuntu"]=2 ["Arch"]=3 ["LinuxMint"]=4)
+
+if can_run lsb_release; then
+	DIST=$(lsb_release -i | cut -f2 -d ":")
+	RELEASE=$(lsb_release -r | cut -f2 -d ":")
+fi
+if [ -z "$DIST" ] || [ -z "${DISTS[$DIST]}" ]; then
+	if [ -f "/etc/arch-release" ]; then
+		DIST="Arch"
+		RELEASE=""
+	elif [ -f "/etc/debian_version" ]; then
+		DIST="Debian"
+		RELEASE=$(perl -ne 'chomp; if(m:(jessie|testing|sid):){print "8.0"}elsif(m:[\d\.]+:){print}else{print "0.0"}' </etc/debian_version)
+	fi
+fi
+
+GST_VER="0.10"
+GST_VIDEO_CONVERTER="ffmpegcolorspace"
+GST_VIDEO_MIMETYPE="video/x-raw-yuv"
+GST_VIDEO_FORMAT="format=(fourcc)YUY2"
+
+GST_AUDIO_MIMETYPE="audio/x-raw-int"
+GST_AUDIO_FORMAT="width=16,depth=16,endianness=1234,signed=true"
+GST_AUDIO_RATE="rate=44100"
+GST_AUDIO_CHANNELS="channels=1"
+GST_AUDIO_LAYOUT=""
+
+set +e
+check_os_version $DIST $RELEASE
+set -e
+if [ $? -eq 0 ]; then
+	GST_VER="1.0"
+	GST_VIDEO_CONVERTER="videoconvert"
+	GST_VIDEO_MIMETYPE="video/x-raw"
+	GST_VIDEO_FORMAT="format=YUY2"
+
+	GST_AUDIO_MIMETYPE="audio/x-raw"
+	GST_AUDIO_FORMAT="format=S16LE"
+	GST_AUDIO_LAYOUT=",layout=interleaved"
+fi
+
+DIMENSIONS="width=$WIDTH,height=$HEIGHT"
+
+GST_VIDEO_CAPS="$GST_VIDEO_MIMETYPE,$GST_VIDEO_FORMAT,$DIMENSIONS"
+GST_AUDIO_CAPS="$GST_AUDIO_MIMETYPE,$GST_AUDIO_FORMAT$GST_AUDIO_LAYOUT,$GST_AUDIO_RATE,$GST_AUDIO_CHANNELS"
+PA_AUDIO_CAPS="$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
+
+# Probe module if not probed yet
+if lsmod | grep -w v4l2loopback >/dev/null 2>/dev/null; then
+	# module is already loaded, do nothing
+	:
+elif [ $CAPTURE_STREAM = v -o $CAPTURE_STREAM = av ]; then
+	if can_run sudo; then
+		echo Loading module
+		sudo modprobe v4l2loopback $V4L2_OPTS #-q > /dev/null 2>&1
+		sleep .05
+	else
+		echo Load module with \"modprobe v4l2loopback $V4L2_OPTS\"
+	fi
+fi
+
+# If the user hasn't manually specified which /dev/video* to use
+# through DEVICE, use the first "v4l2 loopback" device as the webcam:
+# this should help when loading v4l2loopback on a system that already
+# has a regular webcam. If that doesn't work, fall back to /dev/video0.
+if [ -z "$DEVICE" ]; then
+	if can_run v4l2-ctl; then
+		for d in /dev/video*; do
+			if v4l2-ctl -d "$d" -D | grep -q "v4l2 loopback"; then
+				DEVICE=$d
+				break
+			fi
+		done
+	fi
+	if [ -z "$DEVICE" ]; then
+		DEVICE=/dev/video0
+		warning "Could not find the v4l2loopback device: falling back to $DEVICE"
+	fi
+fi
+
+# Test that we can read from and write to the device
+if ! test -r "$DEVICE"; then
+	error "$DEVICE is not readable: please fix your permissions"
+fi
+if ! test -w "$DEVICE"; then
+	error "$DEVICE is not writable: please fix your permissions"
+fi
+
+# Decide whether to connect through USB or through wi-fi
+if [ -z $IP ]; then
+	# start adb daemon to avoid relaunching it in while
+	if ! can_run "$ADB"; then
+		error "adb is not available: you'll have to use Wi-Fi, which will be slower.\nNext time, please install the Android SDK from developer.android.com/sdk or install adb package."
+	fi
+	start_adb
+	if ! phone_plugged; then
+		error "adb is available, but the phone is not plugged in.\nConnect your phone to USB and allow usb debugging under developer settings or use Wi-Fi (slower)."
+	fi
+	if ss -ln src ":$PORT" | grep -q ":$PORT"; then
+		PIDOF_ADB="$(pidof adb)"
+		if test -n "$PIDOF_ADB" && ss -lptn src ":$PORT" | grep -q "pid=${PIDOF_ADB}"; then
+			if confirm "Your port $PORT seems to be in use by ADB: would you like to clear the previous port before continuing?"; then
+				adb forward --remove tcp:$PORT
+			else
+				exit 1
+			fi
+		else
+			error "Your port $PORT seems to be in use: try using Wi-Fi.\nIf you would like to use USB forwarding, please free it up and try again."
+		fi
+	fi
+	"$ADB" $ADB_FLAGS forward tcp:$PORT tcp:$PORT
+	IP=127.0.0.1
+	MODE=adb
+else
+	MODE=wifi
+fi
+
+BASE_URL=http://$IP:$PORT
+VIDEO_URL=$BASE_URL/videofeed
+AUDIO_URL=$BASE_URL/audio.$AUDIO_CODEC
+
+if ! iw_server_is_started; then
+	if [ $CAPTURE_STREAM = av ]; then
+		MESSAGE="The IP Webcam audio feed is not reachable at <a href=\"$AUDIO_URL\">$AUDIO_URL</a>.\nThe IP Webcam video feed is not reachable at <a href=\"$VIDEO_URL\">$VIDEO_URL</a>."
+	elif [ $CAPTURE_STREAM = a ]; then
+		MESSAGE="The IP Webcam audio feed is not reachable at <a href=\"$AUDIO_URL\">$AUDIO_URL</a>."
+	elif [ $CAPTURE_STREAM = v ]; then
+		MESSAGE="The IP Webcam video feed is not reachable at <a href=\"$VIDEO_URL\">$VIDEO_URL</a>."
+	else
+		error "Incorrect CAPTURE_STREAM value ($CAPTURE_STREAM). Should be a, v or av."
+	fi
+	error "$MESSAGE\nPlease install and open IP Webcam in your phone and start the server.\nMake sure that values of variables IP, PORT, CAPTURE_STREAM in this script are equal with settings in IP Webcam."
+fi
+
+# Test if audio server is running on pipewire
+if pactl info | grep -q PipeWire; then
+	if [ "$CAPTURE_STREAM" = v ]; then
+		:
+	else
+		# currently setting audio sinks errors out, so give user a workaround
+		error "Only video streams on Pipewire are currently supported. Audio is a WIP. Please set CAPTURE_STREAM value to v."
+	fi
+fi
+
+if [ $CAPTURE_STREAM = a -o $CAPTURE_STREAM = av ]; then
+	# 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 $SINK_NAME.monitor,
+	# but not with your original defauld source.
+	# The same issue if script was not end correctly, and you restart it.
+	DEFAULT_SINK=$(pactl info | grep "Sink" | cut -f3 -d " ")
+	DEFAULT_SOURCE=$(pactl info | grep "Source" | cut -f3 -d " ")
+
+	SINK_NAME="ipwebcam"
+	SINK_ID=$(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" \
+			$PA_AUDIO_CAPS \
+			sink_properties="device.description='IP\ Webcam'")
+	fi
+
+	if [ $DISABLE_ECHO_CANCEL = 1 ]; then
+		:
+	elif [ -z $ECANCEL_ID ]; then
+		ECANCEL_ID=$(pactl load-module module-echo-cancel \
+			sink_name="${SINK_NAME}_echo_cancel" \
+			source_master="$SINK_NAME.monitor" \
+			sink_master="$DEFAULT_SINK" \
+			$PA_AUDIO_CAPS \
+			aec_method="webrtc" save_aec=true use_volume_sharing=true) || true
+	fi
+
+	pactl set-default-source $SINK_NAME.monitor
+fi
+
+# Check for gst-launch
+GSTLAUNCH=gst-launch-${GST_VER}
+if ! can_run "$GSTLAUNCH"; then
+	error "Could not find gst-launch. Exiting."
+fi
+
+# Start the GStreamer graph needed to grab the video and audio
+set +e
+
+#sudo v4l2loopback-ctl set-caps $GST_0_10_VIDEO_CAPS $DEVICE
+
+pipeline_video() {
+	GST_FLIP=""
+	GST_TEE=""
+	if [ $FLIP_METHOD ]; then
+		GST_FLIP="! videoflip method=\"$FLIP_METHOD\" "
+	fi
+	# Due to what seems an issue between v4l2loopback and gst-1.0 (https://github.com/umlaeute/v4l2loopback/issues/83),
+	# the pipeline might need the "tee" multiplexer to enforce an additional buffer copy.
+	# Here we enable it if the user explicitly asked to.
+	# TODO: consider automatically enabling this if using gst-1.0 and specific version ranges of v4l2loopback.
+	if [ "$USE_TEE" = "true" ]; then
+		GST_TEE="! tee "
+	fi
+
+	echo souphttpsrc location="$VIDEO_URL" do-timestamp=true is-live=true user-id="$USERNAME" user-pw="$PASSWORD" \
+		! queue \
+		! multipartdemux \
+		! decodebin \
+		$GST_FLIP \
+		! $GST_VIDEO_CONVERTER \
+		! videoscale \
+		! $GST_VIDEO_CAPS \
+		$GST_TEE \
+		! v4l2sink device="$DEVICE" sync=$SYNC
+}
+
+pipeline_audio() {
+	echo souphttpsrc location="$AUDIO_URL" do-timestamp=true is-live=true user-id="$USERNAME" user-pw="$PASSWORD" \
+		! $GST_AUDIO_CAPS ! queue \
+		! pulsesink device="$SINK_NAME" sync=$SYNC
+}
+
+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"
+
+if [ $DISABLE_PROXY = 1 ]; then
+	# Disabling proxy to access WIFI_IP viz. on local network
+	unset http_proxy
+fi
+
+"$GSTLAUNCH" -e -vt --gst-plugin-spew \
+	--gst-debug="$GST_DEBUG" \
+	$PIPELINE \
+	>feed.log 2>&1 &
+# Maybe we need edit this pipeline to transfer it to "Monitor of IP Webcam" to be able to use it as a microphone?
+
+GSTLAUNCH_PID=$!
+
+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"
+read
+
+kill $GSTLAUNCH_PID >/dev/null 2>&1 || echo ""
+if [ $CAPTURE_STREAM = a -o $CAPTURE_STREAM = av ]; then
+	pactl set-default-source ${DEFAULT_SOURCE}
+	pactl unload-module ${ECANCEL_ID}
+	pactl unload-module ${SINK_ID}
+fi
+
+# Remove the port forwarding, to avoid issues on the next run
+if [ $MODE = adb ]; then "$ADB" $ADB_FLAGS forward --remove tcp:$PORT; fi
+
+echo "Disconnected from IP Webcam. Have a nice day!"
+# idea: capture ctrl-c signal and set default source back