from typing import Iterable, List, Tuple, Dict, Any, cast import sounddevice as sd from PySide6.QtGui import QFont from PySide6.QtCore import Qt from PySide6.QtWidgets import ( QApplication, QCheckBox, QComboBox, QDialog, QDialogButtonBox, QFormLayout, QGroupBox, QHBoxLayout, QInputDialog, QLabel, QLineEdit, QMessageBox, QTabWidget, QVBoxLayout, QWidget, ) class _SettingsDialog(QDialog): def __init__( self, settings: Dict[str, Any], input_devices: List[Tuple[int, Dict[str, Any]]], default_settings: Dict[str, Any], model_choices: Iterable[str], device_choices: Iterable[str], compute_choices: Iterable[str], task_choices: Iterable[str], ) -> None: super().__init__() self.setWindowTitle("Settings") self.setModal(True) self.setMinimumWidth(700) self.selected_settings: Dict[str, Any] = {} def get_value(key: str, fallback: Any) -> Any: return settings.get(key, default_settings.get(key, fallback)) self.device_names = [dev["name"] for _idx, dev in input_devices] root_layout = QVBoxLayout(self) tabs = QTabWidget(self) root_layout.addWidget(tabs) # Whisper tab whisper_tab = QWidget(self) whisper_tab_layout = QVBoxLayout(whisper_tab) whisper_layout = QFormLayout() whisper_layout.setLabelAlignment(Qt.AlignmentFlag.AlignLeft) device_options = [ f"[{idx}] {dev['name']} ({dev.get('max_input_channels', 0)} ch)" for idx, dev in input_devices ] self.device_combo = QComboBox(whisper_tab) self.device_combo.addItems(device_options) self.device_combo.setEditable(False) default_device_name = get_value("audio_device_name", "") if default_device_name in self.device_names: self.device_combo.setCurrentIndex(self.device_names.index(default_device_name)) else: self.device_combo.setCurrentIndex(0) whisper_layout.addRow(QLabel("Audio input device:"), self.device_combo) self.model_combo = QComboBox(whisper_tab) self.model_combo.addItems(list(model_choices)) self.model_combo.setEditable(True) default_model = str(get_value("model_name", "medium")) if default_model in [self.model_combo.itemText(i) for i in range(self.model_combo.count())]: self.model_combo.setCurrentText(default_model) else: self.model_combo.setEditText(default_model) whisper_layout.addRow(QLabel("Model:"), self.model_combo) self.device_type_combo = QComboBox(whisper_tab) self.device_type_combo.addItems(list(device_choices)) self.device_type_combo.setEditable(False) default_device_type = str(get_value("device", "cpu")) if default_device_type in [self.device_type_combo.itemText(i) for i in range(self.device_type_combo.count())]: self.device_type_combo.setCurrentText(default_device_type) elif self.device_type_combo.count() > 0: self.device_type_combo.setCurrentIndex(0) whisper_layout.addRow(QLabel("Compute device:"), self.device_type_combo) self.task_combo = QComboBox(whisper_tab) self.task_combo.addItems(list(task_choices)) self.task_combo.setEditable(False) default_task = str(get_value("task", "translate")) if default_task in [self.task_combo.itemText(i) for i in range(self.task_combo.count())]: self.task_combo.setCurrentText(default_task) elif self.task_combo.count() > 0: self.task_combo.setCurrentIndex(0) whisper_layout.addRow(QLabel("Task:"), self.task_combo) whisper_tab_layout.addLayout(whisper_layout) whisper_advanced_group = QGroupBox("Advanced settings", whisper_tab) whisper_advanced_layout = QFormLayout(whisper_advanced_group) whisper_advanced_layout.setLabelAlignment(Qt.AlignmentFlag.AlignLeft) self.compute_type_combo = QComboBox(whisper_tab) self.compute_type_combo.addItems(list(compute_choices)) self.compute_type_combo.setEditable(True) default_compute = str(get_value("compute_type", "int8")) if default_compute in [self.compute_type_combo.itemText(i) for i in range(self.compute_type_combo.count())]: self.compute_type_combo.setCurrentText(default_compute) else: self.compute_type_combo.setEditText(default_compute) whisper_advanced_layout.addRow(QLabel("Compute type:"), self.compute_type_combo) self.beam_size_edit = QLineEdit(str(get_value("beam_size", 3)), whisper_tab) whisper_advanced_layout.addRow(QLabel("Beam size:"), self.beam_size_edit) self.language_edit = QLineEdit(str(get_value("language", "")), whisper_tab) whisper_advanced_layout.addRow(QLabel("Language (optional):"), self.language_edit) self.context_seconds_edit = QLineEdit(str(get_value("context_seconds", 10)), whisper_tab) whisper_advanced_layout.addRow(QLabel("Context seconds:"), self.context_seconds_edit) self.update_interval_edit = QLineEdit(str(get_value("update_interval_seconds", 2)), whisper_tab) whisper_advanced_layout.addRow(QLabel("Update interval (s):"), self.update_interval_edit) whisper_tab_layout.addWidget(whisper_advanced_group) tabs.addTab(whisper_tab, "Whisper") # Ollama tab ollama_tab = QWidget(self) ollama_tab_layout = QVBoxLayout(ollama_tab) ollama_layout = QFormLayout() ollama_layout.setLabelAlignment(Qt.AlignmentFlag.AlignLeft) self.use_ollama_cleanup_checkbox = QCheckBox(ollama_tab) self.use_ollama_cleanup_checkbox.setChecked(bool(get_value("use_ollama_cleanup", True))) ollama_layout.addRow(QLabel("LLM subtitle cleanup:"), self.use_ollama_cleanup_checkbox) self.ollama_device_combo = QComboBox(ollama_tab) self.ollama_device_combo.addItems(["CPU", "GPU"]) self.ollama_device_combo.setEditable(False) default_ollama_device = str(get_value("ollama_device", "CPU")) if default_ollama_device in [self.ollama_device_combo.itemText(i) for i in range(self.ollama_device_combo.count())]: self.ollama_device_combo.setCurrentText(default_ollama_device) ollama_layout.addRow(QLabel("Ollama compute:"), self.ollama_device_combo) ollama_tab_layout.addLayout(ollama_layout) ollama_advanced_group = QGroupBox("Advanced settings", ollama_tab) ollama_advanced_layout = QFormLayout(ollama_advanced_group) ollama_advanced_layout.setLabelAlignment(Qt.AlignmentFlag.AlignLeft) self.ollama_context_edit = QLineEdit(str(get_value("ollama_context_window", 6)), ollama_tab) ollama_advanced_layout.addRow(QLabel("Context window (segments):"), self.ollama_context_edit) self.ollama_batch_edit = QLineEdit(str(get_value("ollama_raw_batch_size", 3)), ollama_tab) ollama_advanced_layout.addRow(QLabel("Batch size (lines per LLM call):"), self.ollama_batch_edit) ollama_tab_layout.addWidget(ollama_advanced_group) tabs.addTab(ollama_tab, "Ollama") button_layout = QHBoxLayout() root_layout.addLayout(button_layout) button_box = QDialogButtonBox( QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel, self, ) button_box.accepted.connect(self.accept) button_box.rejected.connect(self.reject) button_layout.addWidget(button_box) def _warn(self, title: str, text: str) -> None: QMessageBox.warning(self, title, text) def accept(self) -> None: selection = self.device_combo.currentIndex() if selection < 0: self._warn("Select a device", "Please select an audio input device.") return model_name = self.model_combo.currentText().strip() if not model_name: self._warn("Model required", "Please select or enter a model name.") return try: beam_size = int(self.beam_size_edit.text().strip()) if beam_size <= 0: raise ValueError except ValueError: self._warn("Invalid beam size", "Beam size must be a positive integer.") return try: context_seconds = float(self.context_seconds_edit.text().strip()) if context_seconds <= 0: raise ValueError except ValueError: self._warn("Invalid context seconds", "Context seconds must be a positive number.") return try: update_interval_seconds = float(self.update_interval_edit.text().strip()) if update_interval_seconds <= 0: raise ValueError except ValueError: self._warn("Invalid update interval", "Update interval must be a positive number.") return try: ollama_context_window = int(self.ollama_context_edit.text().strip()) if ollama_context_window <= 0: raise ValueError except ValueError: self._warn("Invalid context window", "Context window must be a positive integer.") return try: ollama_raw_batch_size = int(self.ollama_batch_edit.text().strip()) if ollama_raw_batch_size <= 0: raise ValueError except ValueError: self._warn("Invalid batch size", "Batch size must be a positive integer.") return self.selected_settings = { "audio_device_name": self.device_names[selection], "model_name": model_name, "device": self.device_type_combo.currentText().strip() or "cpu", "compute_type": self.compute_type_combo.currentText().strip() or "int8", "task": self.task_combo.currentText().strip() or "translate", "beam_size": beam_size, "language": self.language_edit.text().strip(), "context_seconds": context_seconds, "update_interval_seconds": update_interval_seconds, "use_ollama_cleanup": self.use_ollama_cleanup_checkbox.isChecked(), "ollama_device": self.ollama_device_combo.currentText(), "ollama_context_window": ollama_context_window, "ollama_raw_batch_size": ollama_raw_batch_size, } super().accept() def select_settings( settings: Dict[str, Any], input_devices: List[Tuple[int, Dict[str, Any]]], default_settings: Dict[str, Any], model_choices: Iterable[str], device_choices: Iterable[str], compute_choices: Iterable[str], task_choices: Iterable[str], ) -> Dict[str, Any]: if not input_devices: raise RuntimeError("No audio input devices found.") app = QApplication.instance() if app is None: app = QApplication([]) app = cast(QApplication, app) app.setFont(QFont("Calibri", 12)) dialog = _SettingsDialog( settings=settings, input_devices=input_devices, default_settings=default_settings, model_choices=model_choices, device_choices=device_choices, compute_choices=compute_choices, task_choices=task_choices, ) result = dialog.exec() if result != int(QDialog.DialogCode.Accepted) or not dialog.selected_settings: raise SystemExit("No settings selected.") return dialog.selected_settings def prompt_input_sample_rate(device_index: int, common_rates: Iterable[int]) -> int: rates = list(common_rates) while True: prompt = ( "Enter an input sample rate in Hz.\n" f"Common values: {', '.join(str(r) for r in rates)}" ) raw, ok = QInputDialog.getText(None, "Select Sample Rate", prompt) if not ok: raise sd.PortAudioError("No supported input sample rate found for selected device.") raw = raw.strip() if not raw: continue try: rate = int(float(raw)) except ValueError: QMessageBox.warning(None, "Invalid value", "Sample rate must be a number.") continue try: sd.check_input_settings(device=device_index, channels=1, samplerate=rate, dtype="float32") return rate except sd.PortAudioError: QMessageBox.warning( None, "Unsupported sample rate", f"{rate} Hz is not supported by the selected device.", )