check instantly if mpv is ready

commands.go

@@ -36,6 +36,13 @@ func IsReady(ctx context.Context, socket string) <-chan bool {
 	go func() {
 		defer close(out)
 
+		conn, err := net.Dial("unix", socket)
+		if err == nil {
+			defer conn.Close()
+			out <- true
+			return
+		}
+
 		ticker := time.NewTicker(100 * time.Millisecond)
 		defer ticker.Stop()