88 lines
3.3 KiB
Python
88 lines
3.3 KiB
Python
from PySide6.QtWidgets import (
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QWidget, QVBoxLayout, QLabel, QSizePolicy
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)
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from PySide6.QtCore import Qt, Signal, QSize
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from PySide6.QtGui import QPixmap, QImage
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import cv2
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import numpy as np
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class SimpleLiveDisplay(QWidget):
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"""Simpler implementation for video display using QLabel instead of QGraphicsView"""
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video_dropped = Signal(str) # For drag and drop compatibility
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def __init__(self):
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super().__init__()
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self.layout = QVBoxLayout(self)
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self.layout.setContentsMargins(0, 0, 0, 0)
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# Create QLabel for display
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self.display_label = QLabel()
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self.display_label.setAlignment(Qt.AlignCenter)
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self.display_label.setMinimumSize(640, 480)
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self.display_label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
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self.display_label.setStyleSheet("background-color: black;")
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# Set up drag and drop
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self.setAcceptDrops(True)
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# Add to layout
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self.layout.addWidget(self.display_label)
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def update_frame(self, pixmap):
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"""Update the display with a new frame"""
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if pixmap and not pixmap.isNull():
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print(f"DEBUG: SimpleLiveDisplay updating with pixmap {pixmap.width()}x{pixmap.height()}")
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try:
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# Try direct approach - set the pixmap directly without scaling
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self.display_label.setPixmap(pixmap)
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# Force an immediate update
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self.display_label.update()
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self.repaint() # Force a complete repaint
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print("DEBUG: SimpleLiveDisplay - pixmap set successfully")
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except Exception as e:
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print(f"ERROR in SimpleLiveDisplay.update_frame: {e}")
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import traceback
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traceback.print_exc()
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else:
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print("DEBUG: SimpleLiveDisplay received null or invalid pixmap")
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def resizeEvent(self, event):
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"""Handle resize events"""
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super().resizeEvent(event)
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# If we have a pixmap, rescale it to fit the new size
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if not self.display_label.pixmap() or self.display_label.pixmap().isNull():
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return
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scaled_pixmap = self.display_label.pixmap().scaled(
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self.display_label.size(),
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Qt.KeepAspectRatio,
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Qt.SmoothTransformation
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)
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self.display_label.setPixmap(scaled_pixmap)
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def reset_display(self):
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"""Reset display to black"""
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blank = QPixmap(self.display_label.size())
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blank.fill(Qt.black)
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self.display_label.setPixmap(blank)
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def dragEnterEvent(self, event):
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"""Handle drag enter events"""
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if event.mimeData().hasUrls():
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url = event.mimeData().urls()[0].toLocalFile()
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if url.lower().endswith(('.mp4', '.avi', '.mov', '.mkv', '.webm')):
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event.acceptProposedAction()
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def dropEvent(self, event):
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"""Handle drop events"""
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if event.mimeData().hasUrls():
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url = event.mimeData().urls()[0].toLocalFile()
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if url.lower().endswith(('.mp4', '.avi', '.mov', '.mkv', '.webm')):
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self.video_dropped.emit(url)
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