Improving backend

sources/mpv/source.go

@@ -2,26 +2,41 @@ package mpv
 
 import (
 	"fmt"
+	"log"
+	"os"
 	"os/exec"
+	"time"
+
+	"github.com/DexterLB/mpvipc"
 
 	"git.nemunai.re/nemunaire/hathoris/sources"
 )
 
 type MPVSource struct {
-	process *exec.Cmd
-	Options []string
-	File    string
+	process   *exec.Cmd
+	ipcSocket string
+	Name      string
+	Options   []string
+	File      string
 }
 
 func init() {
-	sources.SoundSources["mpv"] = &MPVSource{
-		Options: []string{"--no-video"},
-		File:    "https://mediaserv38.live-streams.nl:18030/stream",
+	sources.SoundSources["mpv-1"] = &MPVSource{
+		Name:      "Radio 1",
+		ipcSocket: "/tmp/tmpmpv.radio-1",
+		Options:   []string{"--no-video", "--no-terminal"},
+		File:      "https://mediaserv38.live-streams.nl:18030/stream",
+	}
+	sources.SoundSources["mpv-2"] = &MPVSource{
+		Name:      "Radio 2",
+		ipcSocket: "/tmp/tmpmpv.radio-2",
+		Options:   []string{"--no-video", "--no-terminal"},
+		File:      "https://mediaserv38.live-streams.nl:18040/live",
 	}
 }
 
 func (s *MPVSource) GetName() string {
-	return "Radio 1"
+	return s.Name
 }
 
 func (s *MPVSource) IsActive() bool {
@@ -39,6 +54,9 @@ func (s *MPVSource) Enable() (err error) {
 
 	var opts []string
 	opts = append(opts, s.Options...)
+	if s.ipcSocket != "" {
+		opts = append(opts, "--input-ipc-server="+s.ipcSocket, "--pause")
+	}
 	opts = append(opts, s.File)
 
 	s.process = exec.Command("mpv", opts...)
@@ -55,6 +73,39 @@ func (s *MPVSource) Enable() (err error) {
 		s.process = nil
 	}()
 
+	if s.ipcSocket != "" {
+		_, err = os.Stat(s.ipcSocket)
+		for i := 20; i >= 0 && err != nil; i-- {
+			time.Sleep(100 * time.Millisecond)
+			_, err = os.Stat(s.ipcSocket)
+		}
+		time.Sleep(200 * time.Millisecond)
+
+		conn := mpvipc.NewConnection(s.ipcSocket)
+		err = conn.Open()
+		for i := 20; i >= 0 && err != nil; i-- {
+			time.Sleep(100 * time.Millisecond)
+			err = conn.Open()
+		}
+		if err != nil {
+			return err
+		}
+		defer conn.Close()
+
+		_, err = conn.Get("media-title")
+		for err != nil {
+			time.Sleep(100 * time.Millisecond)
+			_, err = conn.Get("media-title")
+		}
+
+		conn.Set("ao-volume", 50)
+
+		err = conn.Set("pause", false)
+		if err != nil {
+			return err
+		}
+	}
+
 	return
 }
 
@@ -67,3 +118,24 @@ func (s *MPVSource) Disable() error {
 
 	return nil
 }
+
+func (s *MPVSource) CurrentlyPlaying() string {
+	if s.ipcSocket != "" {
+		conn := mpvipc.NewConnection(s.ipcSocket)
+		err := conn.Open()
+		if err != nil {
+			log.Println("Unable to open mpv socket:", err.Error())
+			return "!"
+		}
+		defer conn.Close()
+
+		title, err := conn.Get("media-title")
+		if err != nil {
+			log.Println("Unable to retrieve title:", err.Error())
+			return "!"
+		}
+		return title.(string)
+	}
+
+	return "-"
+}