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-rw-r--r--.gitignore1
-rwxr-xr-xprepare-videochat.sh206
2 files changed, 157 insertions, 50 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ad69f2a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+feed.log
diff --git a/prepare-videochat.sh b/prepare-videochat.sh
index 341a8e9..55be954 100755
--- a/prepare-videochat.sh
+++ b/prepare-videochat.sh
@@ -1,7 +1,10 @@
#!/bin/bash
-# Script for using IP Webcam as a microphone/webcam in Ubuntu 13.04 and Arch
+# Script for using IP Webcam as a microphone/webcam in Debian Jessie,
+# Ubuntu 13.04, 14.04 and Arch
+
# Copyright (C) 2011-2013 Antonio García Domínguez
+# Copyright (C) 2016 C.J. Adams-Collier
# Licensed under GPLv3
# Usage: ./prepare-videochat.sh [flip method]
@@ -31,8 +34,7 @@
# 1. Does v4l2loopback work properly?
#
# Try running these commands. You'll first need to install mplayer and
-# ensure that your user can write to /dev/video*), and then run these
-# commands on one tab:
+# ensure that your user can write to /dev/video*).
#
# sudo modprobe -r v4l2loopback
# ls /dev/video*
@@ -40,11 +42,9 @@
# sudo modprobe v4l2loopback
# ls /dev/video*
# (Note down the new devices: let X be the number of the first new device.)
-# gst-launch videotestsrc ! v4l2sink device=/dev/videoX
-#
-# Now go to another tab and use mplayer to play it back:
+# v4l2-ctl -D -d /dev/videoX
+# gst-launch videotestsrc ! v4l2sink device=/dev/videoX & mplayer -tv device=/dev/videoX tv://
#
-# mplayer -tv device=/dev/videoX tv://
#
# You should be able to see the GStreamer test video source, which is
# like a TV test card. Otherwise, there's an issue in your v4l2loopback
@@ -92,12 +92,17 @@ else
FLIP_METHOD=none
fi
+GST_FLIP="! videoflip method=\"$FLIP_METHOD\" "
+if [ $FLIP_METHOD = 'none' ]; then
+ GST_FLIP=""
+fi
+
### CONFIGURATION
# If your "adb" is not in your $PATH, set the full path to it here.
# If "adb" is in your $PATH, you don't have to change this option.
ADB_PATH=~/bin/android-sdk-linux_x86/platform-tools/adb
-if which adb; then
+if which adb > /dev/null ; then
ADB=$(which adb)
else
ADB=$ADB_PATH
@@ -113,30 +118,35 @@ WIFI_IP=192.168.2.140
# Port on which IP Webcam is listening
PORT=8080
-# GStreamer debug string (see gst-launch manpage)
-GST_DEBUG=souphttpsrc:0,videoflip:0,ffmpegcolorspace:0,v4l2sink:0,pulse:0
+# Dimensions of video
+WIDTH=640
+HEIGHT=480
+
+# Frame rate of video
+GST_FPS=5
+
### FUNCTIONS
has_kernel_module() {
- sudo modprobe -q "$1"
+ sudo modprobe -q "$1" > /dev/null 2>&1
}
error() {
- zenity --error --text "$@"
+ zenity --error --text "$@" > /dev/null 2>&1
exit 1
}
warning() {
- zenity --warning --text "$@"
+ zenity --warning --text "$@" > /dev/null 2>&1
}
info() {
- zenity --info --text "$@"
+ zenity --info --text "$@" > /dev/null 2>&1
}
confirm() {
- zenity --question --text "$@"
+ zenity --question --text "$@" > /dev/null 2>&1
}
can_run() {
@@ -156,7 +166,7 @@ url_reachable() {
if ! can_run curl && can_run apt-get; then
# Some versions of Ubuntu do not have curl by default (Arch
# has it in its core, so we don't need to check that case)
- sudo apt-get install curl
+ sudo apt-get install -y curl
fi
curl -sI "$1" >/dev/null
}
@@ -174,13 +184,75 @@ start_iw_server() {
sleep 2s
}
+modid_by_sinkname() {
+ pacmd list-sinks | grep -e 'name:' -e 'module:' | grep -A1 "name: <$1>" | grep module: | cut -f2 -d: | tr -d ' '
+}
+
+modid_by_sourcename() {
+ pacmd list-sources | grep -e 'name:' -e 'module:' | grep -A1 "name: <$1>" | grep module: | cut -f2 -d: | tr -d ' '
+}
+
+
+if can_run lsb_release; then
+ DIST=`lsb_release -i | awk -F: '{print $2}'`
+ RELEASE=`lsb_release -r | awk -F: '{print $2}'`
+elif [ -f /etc/debian_version ] ; then
+ DIST="Debian"
+ RELEASE=`perl -ne 'chomp; if(m:(jessie|testing|sid):){print "8.0"}elsif(m:[\d\.]+:){print}else{print "0.0"}' < /etc/debian_version`
+fi
+
+GST_VER="0.10"
+GST_VIDEO_CONVERTER="ffmpegcolorspace"
+GST_VIDEO_MIMETYPE="video/x-raw-yuv"
+GST_VIDEO_FORMAT="format=(fourcc)YV12"
+
+GST_AUDIO_MIMETYPE="audio/x-raw-int"
+GST_AUDIO_FORMAT="width=16,depth=16,endianness=1234,signed=true"
+GST_AUDIO_RATE="rate=44100"
+GST_AUDIO_CHANNELS="channels=1"
+GST_AUDIO_LAYOUT=""
+
+GST_1_0_AUDIO_FORMAT="format=S16LE"
+GST_0_10_VIDEO_MIMETYPE=$GST_VIDEO_MIMETYPE
+GST_0_10_VIDEO_FORMAT=$GST_VIDEO_FORMAT
+
+if [ $DIST = "Debian" -a `echo "$RELEASE >= 8.0" | bc` -eq 1 ] ||\
+ [ $DIST = "Ubuntu" -a `echo "$RELEASE >= 14.04" | bc` -eq 1 ]
+then
+ GST_VER="1.0"
+ GST_VIDEO_CONVERTER="videoconvert"
+ GST_VIDEO_MIMETYPE="video/x-raw"
+ GST_VIDEO_FORMAT="format=YV12"
+
+ GST_AUDIO_MIMETYPE="audio/x-raw"
+ GST_AUDIO_FORMAT=$GST_1_0_AUDIO_FORMAT
+ GST_AUDIO_LAYOUT=",layout=interleaved"
+fi
+
+DIMENSIONS="width=$WIDTH,height=$HEIGHT"
+
+GST_0_10_VIDEO_CAPS="$GST_0_10_VIDEO_MIMETYPE,$GST_0_10_VIDEO_FORMAT,$DIMENSIONS"
+GST_VIDEO_CAPS="$GST_VIDEO_MIMETYPE,$GST_VIDEO_FORMAT,$DIMENSIONS,framerate=$GST_FPS/1"
+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
+
### MAIN BODY
# Check if the user has v4l2loopback
if ! has_kernel_module v4l2loopback; then
- info "The v4l2loopback kernel module is not installed or could not be loaded. I will try to install the kernel module using your distro's package manager. If that doesn't work, please install v4l2loopback manually from github.com/umlaeute/v4l2loopback."
- if can_run apt-get; then
- sudo apt-get install python-apport v4l2loopback-dkms
+ info "The v4l2loopback kernel module is not installed or could not be loaded. Attempting to install the kernel module using your distro's package manager."
+ if [ $DIST = "Debian" ] || [ $DIST = "Ubuntu" ]; then
+ V4L2LOOPBACK_PKGS="v4l2loopback-dkms"
+ if [ $DIST = "Ubuntu" ]; then
+ V4L2LOOPBACK_PKGS="${V4L2LOOPBACK_PKGS} python-apport"
+ fi
+ sudo apt-get -y install $V4L2LOOPBACK_PKGS
+ if [ $? != 0 ]; then
+ info "Installation failed. Please install v4l2loopback manually from github.com/umlaeute/v4l2loopback."
+ fi
elif can_run yaourt; then
yaourt -S v4l2loopback-git
fi
@@ -192,12 +264,21 @@ if ! has_kernel_module v4l2loopback; then
fi
fi
+# check if the user has the pulse gst plugin installed
+if [ ! -f /usr/lib/*/gstreamer-$GST_VER/libgstpulse.so ]; then
+ if [ $DIST = "Debian" ] || [ $DIST = "Ubuntu" ]; then
+ sudo apt-get install -y gstreamer${GST_VER}-pulseaudio
+ elif can_run yaourt; then
+ echo "we should figure out what package supplies this"
+ fi
+fi
+
# 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 ! can_run v4l2-ctl; then
if can_run apt-get; then
- sudo apt-get install v4l-utils
+ sudo apt-get install -y v4l-utils
elif can_run pacman; then
sudo pacman -S v4l-utils
fi
@@ -241,38 +322,44 @@ while ! iw_server_is_started; do
info "The IP Webcam video feed is not reachable at $VIDEO_URL. Please open IP Webcam in your phone and start the server."
done
-# Load null-sink if needed
-if !(pactl list sinks | grep -q module-null-sink); then
- pactl load-module module-null-sink
-fi
-NULL_SINK=$(LC_ALL=C pactl list sinks | \
- sed -n -e '/Name:/h; /module-null-sink/{x; s/\s*Name:\s*//g; p; q}' )
+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")
-# Install and open pavucontrol as needed
-if ! can_run pavucontrol; then
- info "You don't have pavucontrol. I'll try to install its Debian/Ubuntu package."
- sudo apt-get install pavucontrol
+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 ! pgrep pavucontrol; then
- info "We will open now pavucontrol. You should leave it open to change the recording device of your video chat program to 'Monitor Null Output'. NOTE: make sure that in 'Output Devices' *all* devices are listed, and in the Playback tab the $GSTLAUNCH program sends its audio to the 'Null Sink'."
- pavucontrol &
+
+if [ -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)
fi
+pactl set-default-source $SINK_NAME.monitor
+
# Check for gst-launch
-GSTLAUNCH=gst-launch
-if can_run apt-get; then
+GSTLAUNCH=gst-launch-${GST_VER}
+if [ $DIST = "Debian" ]; then
# Debian
- GSTLAUNCH=gst-launch
if ! can_run "$GSTLAUNCH"; then
info "You don't have gst-launch. I'll try to install its Debian/Ubuntu package."
- sudo apt-get install gstreamer-tools
+ sudo apt-get install -y gstreamer${GST_VER}-tools
fi
elif can_run pacman; then
# Arch
- GSTLAUNCH=gst-launch-0.10
if ! can_run "$GSTLAUNCH"; then
info "You don't have gst-launch. I'll try to install its Arch package."
- sudo pacman -S gstreamer0.10 gstreamer0.10-good-plugins
+ sudo pacman -S gstreamer${GST_VER} gstreamer${GST_VER}-good-plugins
fi
fi
if ! can_run "$GSTLAUNCH"; then
@@ -282,18 +369,37 @@ fi
# Start the GStreamer graph needed to grab the video and audio
set +e
-info "Using IP Webcam as webcam/microphone through v4l2loopback device $DEVICE and PulseAudio sink '$NULL_SINK'. You can now open your videochat app."
-"$GSTLAUNCH" -vt --gst-plugin-spew --gst-debug="$GST_DEBUG" \
- souphttpsrc location="http://$IP:$PORT/videofeed" do-timestamp=true is-live=true \
+
+#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 \
! multipartdemux \
! jpegdec \
- ! ffmpegcolorspace ! "video/x-raw-yuv, format=(fourcc)YV12" \
- ! videoflip method="$FLIP_METHOD" ! videorate ! "video/x-raw-yuv, framerate=25/1" \
- ! v4l2sink device="$DEVICE" \
- souphttpsrc location="http://$IP:$PORT/audio.wav" do-timestamp=true is-live=true \
- ! wavparse ! audioconvert \
- ! volume volume=3 ! rglimiter \
- ! pulsesink device="$NULL_SINK" sync=false \
- 2>&1 | tee feed.log
+ $GST_FLIP \
+ ! $GST_VIDEO_CONVERTER \
+ ! videoscale \
+ ! videorate \
+ ! $GST_VIDEO_CAPS \
+ ! v4l2sink device="$DEVICE" sync=true \
+ souphttpsrc location="$AUDIO_URL" do-timestamp=true is-live=true \
+ ! $GST_AUDIO_CAPS \
+ ! pulsesink device="$SINK_NAME" sync=true \
+ 2>&1 > feed.log &
+
+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."
+
+echo "Press enter to end stream"
+perl -e '<STDIN>'
+
+kill $GSTLAUNCH_PID > /dev/null 2>&1 || echo ""
+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!"
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-06 16:41:10 +0000