File size: 1,333 Bytes
387c3d6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | from PyQt6.QtWidgets import QWidget, QVBoxLayout, QLabel, QGroupBox
from PyQt6.QtCore import Qt
from PyQt6.QtGui import QImage, QPixmap
class VideoWidget(QWidget):
"""
视频显示区 (右上 - Tab 2)
"""
def __init__(self, parent=None):
super().__init__(parent)
self.init_ui()
def init_ui(self):
# 使用 QGroupBox 保持样式统一
group = QGroupBox("视频监控")
layout = QVBoxLayout(group)
self.video_label = QLabel("等待网络视频流...")
self.video_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.video_label.setScaledContents(True) # 自动缩放图像
self.video_label.setStyleSheet("background-color: black; color: white;")
self.video_label.setMinimumSize(640, 480) # 设置一个最小尺寸
layout.addWidget(self.video_label)
# 设置主布局
main_layout = QVBoxLayout(self)
main_layout.addWidget(group)
def update_frame(self, qimage: QImage):
"""
公共槽函数,用于在GUI线程中更新视频帧
"""
if not qimage.isNull():
# QImage -> QPixmap
pixmap = QPixmap.fromImage(qimage)
self.video_label.setPixmap(pixmap)
else:
self.video_label.setText("收到损坏的帧")
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