Add sample systemd file

Makefile

@@ -1,4 +1,4 @@
-TARGET := camera_stream
+TARGET := camera-streamer
 SRC := $(wildcard **/*.c **/*/*.c **/*.cc **/*/*.cc)
 HEADERS := $(wildcard **/*.h **/*/*.h **/*.hh **/*/*.hh)
 HTML := $(wildcard html/*.js html/*.html)

cmd/camera-streamer.c

@@ -41,7 +41,7 @@ camera_options_t camera_options = {
 };
 
 http_server_options_t http_options = {
-  .port = 9092,
+  .port = 8080,
   .maxcons = 10
 };
 

cmd/test_libcamera.c

@@ -1,30 +0,0 @@
-#include "opts/opts.h"
-#include "opts/log.h"
-#include "opts/fourcc.h"
-#include "device/camera/camera.h"
-
-log_options_t log_options = {
-  .debug = true,
-  .verbose = false
-};
-
-int main(int argc, char *argv[])
-{
-  device_t *dev = NULL;
-
-  dev = device_libcamera_open("CAMERA", "/base/soc/i2c0mux/i2c@1/imx519@1a");
-  if (!dev) {
-    printf("Failed to open libcamera\n");
-    return -1;
-  }
-
-  if (device_open_buffer_list(dev, true, 2328, 1748, V4L2_PIX_FMT_VYUY, 0, 4, true) < 0) {
-    printf("Failed to open buffer list\n");
-    return -1;
-  }
-
-  printf("Opened libcamera\n");
-
-  device_close(dev);
-  return 0;
-}

service/camera-streamer.service

@@ -0,0 +1,29 @@
+[Unit]
+Description=camera-streamer web camera
+After=network.target
+
+[Service]
+User=nobody
+Group=nogroup
+SupplementaryGroups=video i2c
+ExecStart=/usr/local/bin/camera-streamer \
+  -camera-path=/base/soc/i2c0mux/i2c@1/imx519@1a \
+  -camera-type=libcamera \
+  -camera-format=YUYV \
+  -camera-width=2328 -camera-height=1748 \
+  -camera-high_res_factor=1.5 \
+  -camera-fps=30
+# set auto-focus for IMX519
+ExecStartPost=-/bin/bash -c 'sleep 3s; /usr/sbin/i2ctransfer -y 11 w4@0x0c 0x0 0x85 0x00 0x00'
+Restart=always
+RestartSec=10
+
+Nice=10
+IOSchedulingClass=idle
+IOSchedulingPriority=7
+CPUWeight=20
+AllowedCPUs=1-2
+MemoryMax=250M
+
+[Install]
+WantedBy=multi-user.target