Files
duck-preview/app/ui/menu_bar.py
bartool e9b474b1ed feat: Add video playback functionality and inference support
- Introduced VideoPlayer class to handle local video playback, emitting frames via frame_ready signal.
- Updated MainWindow to switch between camera and video sources, integrating video playback controls.
- Enhanced AppMenuBar with options to open video files and manage inference models.
- Implemented BboxOverlay for displaying detection results on video frames.
- Added InferenceManager to manage YOLO inference in a separate process, with error handling and restart logic.
- Created tests for BboxOverlay and InferenceManager to ensure functionality and robustness.
- Updated pyproject.toml to include optional dependencies for inference support.
2026-05-13 21:30:13 +02:00

279 lines
9.9 KiB
Python

"""Menu bar — File, Camera, Video format, Image, Model and Debug controls."""
from __future__ import annotations
import logging
from PySide6.QtCore import Signal
from PySide6.QtGui import QAction, QActionGroup
from PySide6.QtWidgets import QFileDialog, QMenuBar, QWidget
from app.camera.camera_enumerator import CameraFormat, CameraInfo
from app.config import MODEL_FILE_EXTENSIONS, VIDEO_FILE_EXTENSIONS
from app.logging_setup import set_console_level
logger = logging.getLogger(__name__)
class AppMenuBar(QMenuBar):
"""
Application menu bar.
Signals:
video_file_selected(str) — user picked a video file path
video_closed() — user chose to close video and return to camera
model_file_selected(str) — user picked a .pt model file path
inference_toggled(bool) — user toggled inference on/off
camera_selected(CameraInfo)
format_selected(CameraFormat)
reconnect_requested()
overlay_toggled(bool)
log_toggled(bool)
camera_settings_requested()
"""
# File / video
video_file_selected = Signal(str)
video_closed = Signal()
# Model / inference
model_file_selected = Signal(str)
inference_toggled = Signal(bool)
# Camera
camera_selected = Signal(object) # CameraInfo
format_selected = Signal(object) # CameraFormat
reconnect_requested = Signal()
# View / debug
overlay_toggled = Signal(bool)
log_toggled = Signal(bool)
camera_settings_requested = Signal()
def __init__(self, parent: QWidget | None = None) -> None:
super().__init__(parent)
self._camera_group: QActionGroup | None = None
self._format_group: QActionGroup | None = None
self._cameras: list[CameraInfo] = []
self._build_menus()
# ------------------------------------------------------------------
# Public API
# ------------------------------------------------------------------
def populate_cameras(self, cameras: list[CameraInfo]) -> None:
self._cameras = cameras
menu = self._camera_menu
for action in list(menu.actions()):
if action not in (self._reconnect_action, self._cam_separator):
menu.removeAction(action)
self._camera_group = QActionGroup(self)
self._camera_group.setExclusive(True)
for cam in cameras:
action = QAction(cam.name, self)
action.setCheckable(True)
action.setData(cam)
self._camera_group.addAction(action)
menu.insertAction(self._cam_separator, action)
action.triggered.connect(self._on_camera_action)
if cameras:
self._camera_group.actions()[0].setChecked(True)
def populate_formats(self, camera_info: CameraInfo) -> None:
self._populate_format_menu(camera_info)
def set_active_camera(self, camera_info: CameraInfo) -> None:
if self._camera_group is None:
return
for action in self._camera_group.actions():
if action.data() is camera_info:
action.setChecked(True)
return
def set_active_format(self, fmt: CameraFormat) -> None:
if self._format_group is None:
return
for action in self._format_group.actions():
f: CameraFormat = action.data()
if (
f.width == fmt.width
and f.height == fmt.height
and abs(f.max_fps - fmt.max_fps) < 0.5
and f.pixel_format == fmt.pixel_format
):
action.setChecked(True)
return
def set_log_file_path(self, path: str) -> None:
display = path if len(path) <= 60 else "\u2026" + path[-57:]
self._log_file_action.setText(f"Log: {display}")
self._log_file_action.setToolTip(path)
def set_video_source_active(self, is_video: bool) -> None:
"""Update File menu state when source switches between camera and video."""
self._close_video_action.setEnabled(is_video)
def set_inference_available(self, available: bool) -> None:
"""Enable/disable the inference toggle (requires model to be loaded)."""
self._inference_toggle_action.setEnabled(available)
def set_inference_checked(self, checked: bool) -> None:
self._inference_toggle_action.setChecked(checked)
def set_model_label(self, name: str) -> None:
"""Show loaded model name as disabled info item."""
self._model_info_action.setText(f"Model: {name}")
# ------------------------------------------------------------------
# Menu construction
# ------------------------------------------------------------------
def _build_menus(self) -> None:
# --- File menu ---
file_menu = self.addMenu("File")
open_video_action = QAction("Open Video\u2026", self)
open_video_action.triggered.connect(self._on_open_video)
file_menu.addAction(open_video_action)
self._close_video_action = QAction("Close Video", self)
self._close_video_action.setEnabled(False)
self._close_video_action.triggered.connect(self.video_closed)
file_menu.addAction(self._close_video_action)
# --- Camera menu ---
self._camera_menu = self.addMenu("Camera")
self._cam_separator = self._camera_menu.addSeparator()
self._reconnect_action = QAction("Reconnect", self)
self._reconnect_action.triggered.connect(self.reconnect_requested)
self._camera_menu.addAction(self._reconnect_action)
# --- Video menu ---
self._video_menu = self.addMenu("Video")
self._res_menu = self._video_menu.addMenu("Resolution")
# --- Image menu ---
self._image_menu = self.addMenu("Image")
self._settings_action = QAction("Camera Settings\u2026", self)
self._settings_action.triggered.connect(self.camera_settings_requested)
self._image_menu.addAction(self._settings_action)
# --- Model menu ---
model_menu = self.addMenu("Model")
load_model_action = QAction("Load Model\u2026", self)
load_model_action.triggered.connect(self._on_load_model)
model_menu.addAction(load_model_action)
self._inference_toggle_action = QAction("Enable Inference", self)
self._inference_toggle_action.setCheckable(True)
self._inference_toggle_action.setChecked(False)
self._inference_toggle_action.setEnabled(False) # enabled after model loaded
self._inference_toggle_action.toggled.connect(self.inference_toggled)
model_menu.addAction(self._inference_toggle_action)
model_menu.addSeparator()
self._model_info_action = QAction("Model: (none)", self)
self._model_info_action.setEnabled(False)
model_menu.addAction(self._model_info_action)
# --- Debug menu ---
debug_menu = self.addMenu("Debug")
self._overlay_action = QAction("Show Overlay", self)
self._overlay_action.setCheckable(True)
self._overlay_action.setChecked(True)
self._overlay_action.toggled.connect(self.overlay_toggled)
debug_menu.addAction(self._overlay_action)
self._log_action = QAction("Console Logging", self)
self._log_action.setCheckable(True)
self._log_action.setChecked(False)
self._log_action.toggled.connect(self._on_log_toggled)
debug_menu.addAction(self._log_action)
debug_menu.addSeparator()
self._log_file_action = QAction("Log: (not started)", self)
self._log_file_action.setEnabled(False)
debug_menu.addAction(self._log_file_action)
def _populate_format_menu(self, camera_info: CameraInfo) -> None:
self._res_menu.clear()
self._format_group = QActionGroup(self)
self._format_group.setExclusive(True)
for fmt in camera_info.formats:
label = (
f"{fmt.width}\u00d7{fmt.height}"
f" @ {fmt.max_fps:.4g}fps"
f" ({fmt.pixel_format})"
)
action = QAction(label, self)
action.setCheckable(True)
action.setData(fmt)
self._format_group.addAction(action)
self._res_menu.addAction(action)
action.triggered.connect(self._on_format_action)
actions = self._format_group.actions()
if actions:
actions[0].setChecked(True)
# ------------------------------------------------------------------
# Slots
# ------------------------------------------------------------------
def _on_open_video(self) -> None:
path, _ = QFileDialog.getOpenFileName(
self.parentWidget(),
"Open Video File",
"",
VIDEO_FILE_EXTENSIONS,
)
if path:
logger.debug("Video file selected: %s", path)
self.video_file_selected.emit(path)
def _on_load_model(self) -> None:
path, _ = QFileDialog.getOpenFileName(
self.parentWidget(),
"Load YOLO Model",
"",
MODEL_FILE_EXTENSIONS,
)
if path:
logger.debug("Model file selected: %s", path)
self.model_file_selected.emit(path)
def _on_camera_action(self) -> None:
action = self.sender()
if action is None:
return
cam: CameraInfo = action.data()
logger.debug("Camera selected: %s", cam.name)
self.camera_selected.emit(cam)
self._populate_format_menu(cam)
def _on_format_action(self) -> None:
action = self.sender()
if action is None:
return
fmt: CameraFormat = action.data()
logger.debug(
"Format selected: %dx%d @ %.4g fps (%s)",
fmt.width, fmt.height, fmt.max_fps, fmt.pixel_format,
)
self.format_selected.emit(fmt)
def _on_log_toggled(self, enabled: bool) -> None:
set_console_level(enabled)
self.log_toggled.emit(enabled)