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@imneonizer
Last active January 3, 2023 04:12
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Using Android as HD webcam
#!/bin/bash
export ANDROID_SERIAL=`adb devices -l | grep -i oneplus | awk '{print $1}'`
export HOST_PORT=8080
export IPWEBCAM_PORT=8080
export V4L2_DEVICE=/dev/video0
function start_screen_mirror(){
if [ ! `pgrep scrcpy` ];then
echo 'starting screen mirroring'
scrcpy -s $ANDROID_SERIAL
else
echo 'screen mirroring is already running'
fi
}
function stop_screen_mirror(){
if [ `pgrep scrcpy` ];then
echo 'stopping screen mirroring'
kill -9 `pgrep scrcpy`
else
echo 'screen mirroring is not running'
fi
}
function start_ipwebcam(){
# forward port from android to host system
adb forward "tcp:$HOST_PORT" "tcp:$IPWEBCAM_PORT"
# check if ipwebcam is rolling i.e., server running
IS_IW_ROLLING=$(adb shell "dumpsys activity activities" | grep com.pas.webcam.pro | grep ActivityRecord | grep mLastOrientationSource | grep Rolling)
if [[ ! $IS_IW_ROLLING ]]; then
echo "starting ipwebcam server"
# open ipwebcam config page if not already
IS_IW_CONFIG_PAGE=`adb shell "dumpsys activity activities" | grep mResumedActivity | grep Configuration`
if [[ ! $IS_IW_CONFIG_PAGE ]]; then
# start ipwebcam application
adb shell monkey -p com.pas.webcam.pro 1 >> /dev/null
fi
# go to start-server button by swiping (dx, dy)
adb shell input roll 10 100
# and press enter
adb shell input keyevent 66
else
echo "ipwebcam server is already running"
fi
}
function stop_ipwebcam(){
# remove port forward
IS_PORT_FORWARD_ACTIVE=$(adb forward --list | grep "tcp:$HOST_PORT")
if [[ $IS_PORT_FORWARD_ACTIVE ]];then
adb forward --remove "tcp:$HOST_PORT"
fi
# stop ipwebcam application
IS_IW_RUNNING=$(adb shell ps | grep com.pas.webcam.pro)
if [[ $IS_IW_RUNNING ]]; then
echo "stopping ipwebcam server"
adb shell am force-stop com.pas.webcam.pro
else
echo "ipwebcam server is not running"
fi
}
function start_v4l2loopback(){
while :
do
if [ ! `pgrep -f 'ffmpeg.*v4l2'` ];then
echo 'starting ffmpeg-v4l2loopback'
DEFAULT_VIDEO_URL=http://localhost:$HOST_PORT/videofeed
# make sure v4l2loopback device is available and start publishing videfeed
modprobe v4l2loopback
ffmpeg -i ${2:-$DEFAULT_VIDEO_URL} -vf format=yuv420p -f v4l2 $V4L2_DEVICE
else
echo 'ffmpeg-v4l2loopback already running'
fi
sleep 1
done
}
function kill_v4l2loopback(){
PID=`pgrep -f 'ipwebcam.*-f'`
if [[ $PID ]];then
kill -9 $PID
kill -9 `pgrep -f 'ffmpeg.*v4l2'`
echo 'ffmpeg-v4l2loopback killed'
else
echo "ffmpeg-v4l2loopback is not running"
fi
}
########### Parse Args ###########
# start ipwebcam server on android
if [[ $1 == '-i' ]];then
start_ipwebcam
exit
fi
# stop ipwebcam server on android
if [[ $1 == '-q' ]];then
stop_ipwebcam
exit
fi
# start screen mirror service
if [[ $1 == '-s' ]];then
start_screen_mirror
exit
fi
# stop screen mirror service
if [[ $1 == '-e' ]];then
stop_screen_mirror
exit
fi
# get root permission
if [ "$EUID" -ne 0 ];then
# call script with sudo
sudo -E $0 $@;
exit 0
fi
# start ipwebcam and port forward
if [[ $1 == '-f' ]];then
start_ipwebcam
start_v4l2loopback
exit
fi
# kill v4l2loopback and ffmpeg pipeline
if [[ $1 == '-k' ]];then
kill_v4l2loopback
exit
fi
# print help message
echo "usage: $0 [-i|-q|-s|-e|-f|-k]"
echo "-i start ipwebcam sever"
echo "-q stop ipwebcam sever"
echo "-s start screen mirroring"
echo "-e stop screen mirroring"
echo "-f start ffmpeg-v4l2loopback"
echo "-k kill ffmpeg-v4l2loopback"
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