feature: Adds basic implementation.

openvd/example.yml

@@ -0,0 +1,11 @@
+displays:
+  - modes:
+      - width: 2560
+        height: 1440
+        refresh: 120
+      - width: 1920
+        height: 1200
+        refresh: 60
+      - width: 1920
+        height: 1080
+        refresh: 60

openvd/main.go

@@ -0,0 +1,109 @@
+package main
+
+import (
+	"os"
+	"os/signal"
+
+	"git.terah.dev/imterah/goevdi/libdisplayconfig"
+	lib "git.terah.dev/imterah/goevdi/libevdi"
+	"github.com/charmbracelet/log"
+	"gopkg.in/yaml.v3"
+)
+
+type Displays struct {
+	DisplayList []struct {
+		Modes []libdisplayconfig.Mode
+	} `yaml:"displays"`
+}
+
+func main() {
+	log.Info("OpenVD - based on GoEvdi")
+
+	logLevel := os.Getenv("OPENVD_LOG_LEVEL")
+
+	if logLevel != "" {
+		switch logLevel {
+		case "debug":
+			log.SetLevel(log.DebugLevel)
+
+		case "info":
+			log.SetLevel(log.InfoLevel)
+
+		case "warn":
+			log.SetLevel(log.WarnLevel)
+
+		case "error":
+			log.SetLevel(log.ErrorLevel)
+
+		case "fatal":
+			log.SetLevel(log.FatalLevel)
+		}
+	}
+
+	lib.SetupLogger(&lib.EvdiLogger{
+		Log: func(message string) {
+			log.Debugf("evdi: %s", message)
+		},
+	})
+
+	if len(os.Args) <= 1 {
+		log.Fatalf("Illegal arguments! Usage: openvd [configuration_file]")
+	}
+
+	config, err := os.ReadFile(os.Args[1])
+
+	if err != nil {
+		log.Fatalf("Failed to read configuration file: %s", err.Error())
+	}
+
+	displays := &Displays{}
+	err = yaml.Unmarshal(config, displays)
+
+	if err != nil {
+		log.Fatalf("Failed to parse configuration file: %s", err.Error())
+	}
+
+	evdiInstances := []*lib.EvdiNode{}
+
+	for displayID, display := range displays.DisplayList {
+		log.Infof("Setting up display #%d", displayID+1)
+
+		if len(display.Modes) == 0 {
+			log.Fatalf("Failed to set up display: no modes specified")
+		}
+
+		edid, err := libdisplayconfig.GenerateEDID(display.Modes)
+
+		if err != nil {
+			log.Fatalf("Failed to generate EDID: %s", err.Error())
+		}
+
+		log.Debug("Attempting to add EVDI device...")
+		evdi, err := lib.Open(nil)
+
+		if err != nil {
+			log.Fatalf("Failed to add EVDI device: %s", err.Error())
+		}
+
+		evdiInstances = append(evdiInstances, evdi)
+
+		log.Debug("Attempting to configure display...")
+		evdi.Connect(edid, uint(display.Modes[0].Width), uint(display.Modes[0].Height), uint(display.Modes[0].Refresh))
+
+		log.Infof("Succesfully set up display #%d", displayID+1)
+	}
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+
+	for range c {
+		log.Info("Quitting.")
+
+		for _, evdi := range evdiInstances {
+			evdi.Disconnect()
+			evdi.Close()
+		}
+
+		os.Exit(0)
+	}
+}