181 lines
7.2 KiB
Python
181 lines
7.2 KiB
Python
import logging
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from PyQt6.QtWidgets import QWidget, QGridLayout, QVBoxLayout, QLabel, QPushButton, QComboBox, QSizePolicy, QSpinBox, QGraphicsView, QGraphicsScene, QGraphicsLineItem
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from PyQt6.QtCore import QThreadPool, QLineF, QPointF, QRectF, Qt
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from PyQt6.QtGui import QImage, QPixmap, QColor, QPen
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from fixtracks.util import ImageReader
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class VideoPreview(QWidget):
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def __init__(self, left=True, parent=None):
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super().__init__(None)
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self._image = None
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self._line_pen = QPen(QColor.fromString("red"), 4)
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self._view = QGraphicsView()
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self._view.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
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self._scene = None
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self._pixmap = None
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self._left = left
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layout = QVBoxLayout()
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layout.addWidget(self._view)
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self.setLayout(layout)
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def set_image(self, img):
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self._scene = QGraphicsScene()
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self._pixmap = self._scene.addPixmap(QPixmap.fromImage(img))
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self._view.setScene(self._scene)
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self._view.fitInView(self._scene.sceneRect(), mode=Qt.AspectRatioMode.KeepAspectRatio)
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image_rect = self._pixmap.boundingRect()
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start_x = image_rect.right() if self._left else image_rect.left()
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start_y = image_rect.top()
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end_y = image_rect.bottom()
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self._scene.addLine(start_x, start_y, start_x, end_y, self._line_pen)
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self._view.show()
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def set_lineposition(self, position):
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image_rect = self._pixmap.boundingRect()
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for i in self._scene.items():
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if isinstance(i, QGraphicsLineItem):
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self._scene.removeItem(i)
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start_x = image_rect.left() + position
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start_y = image_rect.top()
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end_y = image_rect.bottom()
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self._scene.addLine(start_x, start_y, start_x, end_y, self._line_pen)
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class MergeDetections(QWidget):
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def __init__(self, parent=None):
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super().__init__(parent)
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self._files = []
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self.threadpool = QThreadPool()
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self.right_imagereader = None
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self.left_imagereader = None
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layout = QVBoxLayout()
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layout.addWidget(QLabel("Merge Detections!"))
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self.left_datacombo = QComboBox()
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self.left_videocombo = QComboBox()
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self.left_datacombo.addItems(self._files)
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self.left_videocombo.addItems(self._files)
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self.left_posspinner = QSpinBox()
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self.left_posspinner.valueChanged.connect(self.on_leftmergelinemove)
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self.left_preview = VideoPreview()
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self.right_datacombo = QComboBox()
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self.right_videocombo = QComboBox()
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self.right_datacombo.addItems(self._files)
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self.right_videocombo.addItems(self._files)
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self.right_posspinner = QSpinBox()
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self.right_posspinner.valueChanged.connect(self.on_rightmergelinemove)
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self.right_preview = VideoPreview(left=False)
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layout.addLayout(self.layout_controls())
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splitter = QGridLayout()
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splitter.addWidget(self.left_preview, 0, 0)
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splitter.addWidget(self.right_preview, 0, 1)
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splitter.setColumnStretch(0, 1)
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splitter.setColumnStretch(1, 1)
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layout.addLayout(splitter)
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self.setLayout(layout)
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def layout_controls(self):
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grd = QGridLayout()
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grd.addWidget(QLabel("Left:"), 0, 0)
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grd.addWidget(QLabel("Data"), 1, 0)
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grd.addWidget(QLabel("Video"), 2, 0)
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grd.addWidget(QLabel("Mergeline"), 3, 0)
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grd.addWidget(self.left_datacombo, 1, 1)
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grd.addWidget(self.left_videocombo, 2, 1)
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grd.addWidget(self.left_posspinner, 3, 1)
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grd.addWidget(QLabel("Right"), 0, 2)
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grd.addWidget(QLabel("Data"), 1, 2)
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grd.addWidget(QLabel("Video"), 2, 2)
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grd.addWidget(QLabel("Mergeline"), 3, 2)
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grd.addWidget(self.right_datacombo, 1, 3)
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grd.addWidget(self.right_videocombo, 2, 3)
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grd.addWidget(self.right_posspinner, 3, 3)
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grd.setColumnStretch(0, 0)
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grd.setColumnStretch(2, 0)
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grd.setColumnStretch(1, 50)
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grd.setColumnStretch(3, 50)
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grd.setColumnMinimumWidth(0, 50)
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grd.setColumnMinimumWidth(2, 50)
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return grd
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@property
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def fileList(self):
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return self._files
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@fileList.setter
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def fileList(self, file_list):
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logging.debug("MergeDetections.fileList: set new file list")
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logging.debug("MergeDetections.fileList: setting video combo boxes")
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videoformats = [".mp4", ".avi"]
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self._files = [str(f) for f in file_list if f.suffix in videoformats]
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self.right_videocombo.addItem("Please select")
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self.left_videocombo.addItem("Please select")
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self.right_videocombo.addItems(self.fileList)
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self.left_videocombo.addItems(self.fileList)
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self.left_videocombo.setCurrentIndex(0)
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self.right_videocombo.setCurrentIndex(0)
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logging.debug("MergeDetections.fileList: setting data combo boxes")
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dataformats = [".csv"]
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self._files = [str(f) for f in file_list if f.suffix in dataformats]
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self.right_datacombo.addItem("Please select")
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self.left_datacombo.addItem("Please select")
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self.right_datacombo.addItems(self.fileList)
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self.left_datacombo.addItems(self.fileList)
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self.left_datacombo.setCurrentIndex(0)
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self.right_datacombo.setCurrentIndex(0)
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self.right_videocombo.currentIndexChanged.connect(self.on_rightvideoSelection)
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self.left_videocombo.currentIndexChanged.connect(self.on_leftvideoSelection)
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def _toImage(self, frame):
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height, width, _ = frame.shape
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bytesPerLine = 3 * width
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img = QImage(frame.data, width, height, bytesPerLine, QImage.Format.Format_BGR888).rgbSwapped()
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return img
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def on_rightvideoSelection(self):
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logging.debug("Video selection of the %s side", "right")
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self.right_imagereader = ImageReader(self.right_videocombo.currentText(), 100)
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self.right_imagereader.signals.finished.connect(self.right_imgreaderDone)
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self.threadpool.start(self.right_imagereader)
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def right_imgreaderDone(self, state):
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logging.debug("Right image reader done with state %s", str(state))
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frame = self.right_imagereader.frame
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img = self._toImage(frame)
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self.right_preview.set_image(img)
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self.right_posspinner.setMaximum(img.width() - 1)
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self.right_posspinner.setValue(0)
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def on_leftvideoSelection(self):
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logging.debug("Video selection of the %s side", "left")
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self.left_imagereader = ImageReader(self.left_videocombo.currentText(), 100)
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self.left_imagereader.signals.finished.connect(self.left_imgreaderDone)
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self.threadpool.start(self.left_imagereader)
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def left_imgreaderDone(self, state):
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logging.debug("Left image reader done with state %s", str(state))
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frame = self.left_imagereader.frame
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img = self._toImage(frame)
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self.left_preview.set_image(img)
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self.left_posspinner.setMaximum(img.width() - 1)
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self.left_posspinner.setValue(img.width() - 1)
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def on_leftmergelinemove(self):
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self.left_preview.set_lineposition(self.left_posspinner.value())
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def on_rightmergelinemove(self):
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self.right_preview.set_lineposition(self.right_posspinner.value())
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