Add X11 daemon with tray status

internal/whisper/transcribe.go

@@ -0,0 +1,69 @@
+package whisper
+
+import (
+	"context"
+	"errors"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+type Config struct {
+	Model     string
+	Language  string
+	Device    string
+	ExtraArgs string
+	Timeout   time.Duration
+}
+
+func Transcribe(ctx context.Context, wavPath, outDir string, cfg Config) (string, error) {
+	if cfg.Timeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, cfg.Timeout)
+		defer cancel()
+	}
+
+	if err := os.MkdirAll(outDir, 0o755); err != nil {
+		return "", err
+	}
+
+	args := []string{wavPath,
+		"--model", cfg.Model,
+		"--task", "transcribe",
+		"--device", cfg.Device,
+		"--output_format", "txt",
+		"--output_dir", outDir,
+		"--verbose", "False",
+	}
+
+	if strings.TrimSpace(cfg.Language) != "" {
+		args = append(args, "--language", cfg.Language)
+	}
+	if strings.TrimSpace(cfg.ExtraArgs) != "" {
+		extra := strings.Fields(cfg.ExtraArgs)
+		args = append(args, extra...)
+	}
+
+	cmd := exec.CommandContext(ctx, "whisper", args...)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		if len(out) > 0 {
+			return "", errors.New(string(out))
+		}
+		return "", err
+	}
+
+	txt := filepath.Join(outDir, strings.TrimSuffix(filepath.Base(wavPath), filepath.Ext(wavPath))+".txt")
+	data, err := os.ReadFile(txt)
+	if err != nil {
+		return "", err
+	}
+
+	text := strings.TrimSpace(string(data))
+	if text == "" {
+		return "", errors.New("empty transcript")
+	}
+	return text, nil
+}