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shivasku82sysopenci
shivasku82
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start host camera service from vm-manager
added changes to download source from latest host camera repo, build and start binaries when user specify camera_med=y Tracked-On: OAM-102361 Signed-off-by: shivasku82 <shiva.kumara.rudrappa@intel.com>
1 parent c87e22f commit e639ed8

5 files changed

Lines changed: 125 additions & 2 deletions

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‎sample/guest01.ini‎

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@@ -78,6 +78,7 @@ passthrough_pci=0000:00:14.0,
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[mediation]
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#battery_med=/home/gvt/caas/scripts/batsys
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#thermal_med=/home/gvt/caas/scripts/thermsys
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#camera_med=y
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[guest_control]
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#time_keep=/home/gvt/caas/scripts/guest_time_keeping.sh

‎scripts/setup_host.sh‎

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@@ -21,6 +21,115 @@ function error() {
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echo "$BASH_SOURCE Failed at line($line): $cmd"
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}
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function install_virtualcamera_service() {
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service_file=virtualcamera.service
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touch $service_file
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cat /dev/null > $service_file
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echo "[Unit]" > $service_file
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echo -e "Description=Virtual Camera Auto Start\n" >> $service_file
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echo -e "After=default.target\n" >> $service_file
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echo "[Service]" >> $service_file
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echo -e "ExecStartPre=/usr/sbin/modprobe v4l2loopback devices=2 video_nr=6,7 card_label=\"VCam0\",\"VCam1\" exclusive_caps=1,1\n" >> $service_file
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echo -e "ExecStart=/usr/bin/IntelCameraService -i /dev/video0 -o /dev/video6 -o /dev/video7\n" >> $service_file
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echo -e "SuccessExitStatus=255\n" >> $service_file
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echo -e "Restart=always\n" >> $service_file
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echo -e "RestartSec=10\n" >> $service_file
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echo "[Install]" >> $service_file
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echo -e "WantedBy=default.target\n" >> $service_file
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cat $service_file
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sudo mv $service_file /etc/systemd/system/
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sudo systemctl enable virtualcamera.service
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sudo systemctl restart virtualcamera.service
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}
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function install_virtual_camera() {
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KERNELRELEASE=`uname -r`
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KERNEL_DIR=/lib/modules/${KERNELRELEASE}/kernel/drivers/media/v4l2-core/
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CURRENT_DIR=`pwd`
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echo "Clean environment..."
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if [ -x v4l2loopback ]; then
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rm -rf v4l2loopback
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fi
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IS_SERVICE_RUNNING=`ps -fe | grep IntelCameraService | grep -v "grep" | wc -l`
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if [ $IS_SERVICE_RUNNING == 1 ]; then
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echo "Stop running IntelCameraService"
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sudo systemctl stop virtualcamera.service
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fi
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IS_V4L2LOOPBACK_EXIST=`lsmod | grep "v4l2loopback" | wc -l`
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if [ $IS_V4L2LOOPBACK_EXIST != 0 ]; then
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echo "rmmod v4l2loopback..."
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sudo rmmod v4l2loopback
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fi
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echo "Install v4l2loopback driver..."
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git clone https://github.com/umlaeute/v4l2loopback.git
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cd v4l2loopback
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git checkout 81b8df79107d1fbf392fdcbaa051bd227a9c94c1
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git apply ../scripts/cam_sharing/0001-Netlink-sync.patch
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make
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echo "cp " ${DRIVER} ${KERNEL_DIR}/v4l2loopback.ko
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if [ -f ${KERNEL_DIR}/v4l2loopback.ko ]; then
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echo "Backup original v4l2loopback.ko"
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mv ${KERNEL_DIR}/v4l2loopback.ko ${KERNEL_DIR}/v4l2loopback.ko.orig
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fi
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sudo cp v4l2loopback.ko ${KERNEL_DIR}
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depmod
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cd ..
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if [ -x v4l2loopback ]; then
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rm -rf v4l2loopback
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fi
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echo "Install IntelCameraService in /usr/bin/ ..."
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sudo cp ./scripts/cam_sharing/IntelCameraService /usr/bin/
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echo "Install virtualcamera.service in /lib/systemd/system/ ..."
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install_virtualcamera_service
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echo "Complete virtual camera installation."
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}
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function install_host_service() {
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wget https://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
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mkdir -p ffmpeg_sources
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cd ffmpeg_sources && tar xjvf ../ffmpeg-snapshot.tar.bz2
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cd ffmpeg && PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure --prefix="$HOME/ffmpeg_build" --extra-cflags="-I$HOME/ffmpeg_build/include" --extra-libs="-lpthread -lm" --enable-shared && PATH="$HOME/bin:$PATH"
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make
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make install
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hash -r
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sudo cp -r $HOME/ffmpeg_build/lib/*.* /usr/lib/
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sudo cp -r $HOME/ffmpeg_build/lib/*.* /usr/local/lib
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cd ../..
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sudo rm -rf ffmpeg_sources
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sudo rm -rf ffmpeg-snapshot.tar.bz2
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sudo rm -rf $HOME/ffmpeg_build
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sudo apt-get install libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libavresample-dev libavdevice-dev -y
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sudo apt-get install ffmpeg -y
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sudo apt-get install build-essential clang -y
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sudo apt-get install --yes cmake
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mkdir -p host_camera
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cd host_camera
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git clone https://github.com/projectceladon/host-camera-server.git
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cd host-camera-server
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git checkout ba2707587e8f3ad03714d5e3ed47844e83cde7c0
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mkdir build
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cd build
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cmake ..
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cmake --build .
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sudo cp source/libvhal-client.so* /usr/lib
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sudo cp host_camera_service/stream /usr/local/bin/
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cd ../../..
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sudo rm -rf host_camera
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}
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function ubu_changes_require(){
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echo "Please make sure your apt is working"
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echo "If you run the installation first time, reboot is required"
@@ -546,6 +655,9 @@ check_network
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check_kernel_version
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ubu_changes_require
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install_host_service
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install_virtual_camera
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ubu_install_qemu_gvt
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ubu_build_ovmf_gvt
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ubu_enable_host_gvt

‎src/guest/guest.c‎

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@@ -32,7 +32,7 @@ keyfile_group_t g_group[] = {
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{ "vtpm", { "bin_path", "data_dir", NULL } },
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{ "rpmb", { "bin_path", "data_dir", NULL } },
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{ "passthrough", { "passthrough_pci", NULL}},
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{ "mediation", { "battery_med", "thermal_med", NULL }},
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{ "mediation", { "battery_med", "thermal_med", "camera_med",NULL }},
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{ "aaf", { "path", "support_suspend", "audio_type", NULL } },
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{ "guest_control", { "time_keep", "pm_control", NULL }},
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{ "extra", { "cmd", "service", NULL } },

‎src/guest/start.c‎

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@@ -761,6 +761,10 @@ static int run_thermal_mediation_daemon(char *path) {
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return execute_cmd(path, NULL, 0, 1);
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}
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static int run_camera_mediation_daemon(char *path) {
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return execute_cmd(path, NULL, 0, 1);
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}
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static int run_guest_timekeep(char *path, char *p, size_t size, char *pipe_name) {
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int cx = 0;
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const char *pipe = pipe_name ? pipe_name : "qmp-time-keep-pipe";
@@ -1152,6 +1156,11 @@ int start_guest(char *name)
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if (val != NULL && (strcmp("", val) != 0))
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run_thermal_mediation_daemon(val);
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val = g_key_file_get_string(gkf, g->name, g->key[CAMERA_MED], NULL);
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if (val != NULL && (strcasecmp("y", val) == 0)) {
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run_camera_mediation_daemon("/usr/local/bin/stream");
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}
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/* run guest pm */
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g = &g_group[GROUP_GUEST_SERVICE];
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@@ -1201,7 +1210,7 @@ int start_guest(char *name)
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cx = snprintf(p, size, "%s", fixed_cmd);
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p += cx; size -= cx;
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run_vtpm_daemon();
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run_vtpm_daemon();
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cleanup_rpmb();
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run_rpmb_daemon();

‎src/include/guest/guest.h‎

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@@ -197,6 +197,7 @@ enum {
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/* Sub key of group mediation */
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BATTERY_MED = 0,
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THERMAL_MED,
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CAMERA_MED,
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/* Sub key of group aaf */
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AAF_PATH = 0,

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