Added device enumeration to client

cmd/client/main.go

@@ -17,6 +17,42 @@ func main() {
   defer ctx.Free()
   defer ctx.Uninit()
 
+  // Playback devices.
+	infos, err := ctx.Devices(malgo.Playback)
+	if err != nil {
+    panic(err)
+	}
+
+	fmt.Println("Playback Devices")
+	for i, info := range infos {
+		e := "ok"
+		full, err := ctx.DeviceInfo(malgo.Playback, info.ID, malgo.Shared)
+		if err != nil {
+			e = err.Error()
+		}
+		fmt.Printf("    %d: %v, %s, [%s], formats: %+v\n",
+			i, info.ID, info.Name(), e, full.Formats)
+	}
+
+	fmt.Println()
+
+	// Capture devices.
+	infos, err = ctx.Devices(malgo.Capture)
+	if err != nil {
+    panic(err)
+	}
+
+	fmt.Println("Capture Devices")
+	for i, info := range infos {
+		e := "ok"
+		full, err := ctx.DeviceInfo(malgo.Capture, info.ID, malgo.Shared)
+		if err != nil {
+			e = err.Error()
+		}
+		fmt.Printf("    %d: %v, %s, [%s], formats: %+v\n",
+			i, info.ID, info.Name(), e, full.Formats)
+	}
+
   inDeviceConfig := malgo.DefaultDeviceConfig(malgo.Capture)
 	inDeviceConfig.Capture.Format = malgo.FormatF32
 	inDeviceConfig.Capture.Channels = 1