from PySide2.QtWidgets import QWidget, QLabel, QVBoxLayout, QApplication, QSlider from PySide2.QtGui import QImage, QPixmap from PySide2.QtCore import Qt import mpegCoder mpegCoder.setGlobal(dumpLevel=0) class Player(QWidget): def __init__(self, parent=None): super(Player, self).__init__(parent) self._layout = QVBoxLayout(self) self.image = QLabel() self.slider = QSlider(Qt.Horizontal) self.slider.valueChanged.connect(self.extract_frame) self._layout.addWidget(self.image) self._layout.addWidget(self.slider) self.frames = [] self.open_file() def close(self): self.decoder.clear() return super(Player, self).close() def open_file(self): self.decoder = mpegCoder.MpegDecoder() self.decoder.setParameter(nthread=4) opened = self.decoder.FFmpegSetup(r"30.mp4") if opened: duration = self.decoder.getParameter("duration") fps = self.decoder.getParameter("avgFrameRate") frameCount = duration*fps print("Video frame count is", frameCount) self.slider.setRange(0, frameCount-1) # -1 since start from 0 self.extract_frame(0) def extract_frame(self, frame): print(frame) p = self.decoder.ExtractFrame(frame, 1) data = p[0].data height = p[0].shape[0] width = p[0].shape[1] channel = p[0].shape[2] pixmap = QPixmap.fromImage(QImage(data, width, height, channel*width, QImage.Format_RGB888)) self.image.setPixmap(pixmap) if __name__ == "__main__": import sys app = QApplication(sys.argv) p = Player() p.show() app.exec_()