After commit c018f5fd29 Fenrir is being switched over to go. If you do not want to be part of the testing process, please switch to master.

internal/speech/hardware_preview.go

@@ -0,0 +1,56 @@
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package speech
+
+import (
+	"context"
+	"fmt"
+	"time"
+)
+
+// Test_hardware opens a temporary client; it never replaces the reader's
+// transport. Keep the connection while the device speaks: Close cancels its
+// buffer, and these devices provide no speech-completion acknowledgement.
+func Test_hardware(ctx context.Context, driverID string, options Options, text string) error {
+	driver, err := Find_driver(driverID)
+	if err != nil {
+		return err
+	}
+	if !driver.Hardware {
+		return fmt.Errorf("selected driver is not a hardware synthesizer")
+	}
+	ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+	client, err := Open_driver(driverID, options)
+	if err != nil {
+		return err
+	}
+	stop, stopped := make(chan struct{}), make(chan struct{})
+	go func() {
+		defer close(stopped)
+		select {
+		case <-ctx.Done():
+			_ = client.Cancel()
+		case <-stop:
+		}
+	}()
+	defer func() { close(stop); <-stopped; client.Close() }()
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+	if err := client.Say(text); err != nil {
+		return err
+	}
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+	<-ctx.Done()
+	if ctx.Err() == context.DeadlineExceeded {
+		return nil
+	}
+	return ctx.Err()
+}