I have some videos in a GUI that plays when certain conditions are met. The problem I have is that I am unable to make the videos start again after they end. Here is the code for the UI:
import os
from time import sleep
from PyQt5 import uic
from PyQt5.QtGui import QPixmap
from PyQt5.QtWidgets import QMainWindow, QVBoxLayout, QWidget
from PyQt5.QtMultimediaWidgets import QVideoWidget
from PyQt5.QtCore import QThread, pyqtSignal, pyqtSlot, QUrl
from PyQt5.QtMultimedia import QMediaContent, QMediaPlayer, QMediaPlaylist
# For update UI
class UIThread(QThread):
change_pixmap_signal = pyqtSignal(int)
current_mode = None
new_mode = None
def run(self):
while True:
sleep(0.1)
if self.current_mode != self.new_mode:
self.current_mode = self.new_mode
self.change_pixmap_signal.emit(self.current_mode)
# Main window class
class MainUI(QMainWindow):
def __init__(self):
super(MainUI, self).__init__()
# Load UI from files
uic.loadUi('ui/main_small.ui', self)
self.main_label.setPixmap(QPixmap('ui/images/main.png'))
self.eco_label.setPixmap(QPixmap('ui/images/eco.png'))
self.ev_mode_label.setPixmap(QPixmap('ui/images/ev_mode.png'))
self.normal_mode_label.setPixmap(QPixmap('ui/images/normal_mode.png'))
self.power_mode_label.setPixmap(QPixmap('ui/images/power_mode.png'))
self.power_mode('N')
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
self.videoWidget = QVideoWidget()
self.videoWidget.move(0, 0)
self.mediaPlayer.setVideoOutput(self.videoWidget)
self.videoWidget.show()
self.playlist = QMediaPlaylist()
layout = QVBoxLayout()
layout.addWidget(self.videoWidget)
self.video_groupBox.setLayout(layout)
# Default values
self.mode = None
self.speed_label.setStyleSheet("color: white")
self.motor1_speed_label.setStyleSheet("color: white")
self.motor2_speed_label.setStyleSheet("color: white")
self.motor3_speed_label.setStyleSheet("color: white")
self.motor1_torque_label.setStyleSheet("color: white")
self.motor2_torque_label.setStyleSheet("color: white")
self.motor3_torque_label.setStyleSheet("color: white")
# Create the video capture thread
self.uithread = UIThread()
# Connect its signal to the update_image slot
self.uithread.change_pixmap_signal.connect(self.__update_mode)
self.uithread.start()
# Play videos
def play_video(self, video):
self.playlist = QMediaPlaylist()
self.playlist.setPlaybackMode(QMediaPlaylist.Loop)
if video == 'x':
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(os.getcwd() + '/ui/videos/video_x.mp4')))
elif video == 'xy':
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(os.getcwd() + '/ui/videos/video_xy.mp4')))
elif video == 'xyz':
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(os.getcwd() + '/ui/videos/video_xyz.mp4')))
elif video == 'yz':
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(os.getcwd() + '/ui/videos/video_yz.mp4')))
elif video == 'z':
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(os.getcwd() + '/ui/videos/video_z.mp4')))
else: # zzz
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(os.getcwd() + '/ui/videos/video_zzz.mp4')))
self.mediaPlayer.setPosition(0)
self.mediaPlayer.setPlaylist(self.playlist)
self.mediaPlayer.play()
# Change display mode
def change_mode(self, mode):
self.uithread.new_mode = mode
# Select R N D P mode
def rgd_select(self, select):
self.r_label.setPixmap(QPixmap('ui/images/r_white.png'))
self.n_label.setPixmap(QPixmap('ui/images/n_white.png'))
self.d_label.setPixmap(QPixmap('ui/images/d_white.png'))
self.p_label.setPixmap(QPixmap('ui/images/p_white.png'))
if select == 'R':
self.r_label.setPixmap(QPixmap('ui/images/r_green.png'))
elif select == 'N':
self.n_label.setPixmap(QPixmap('ui/images/n_green.png'))
elif select == 'D':
self.d_label.setPixmap(QPixmap('ui/images/d_green.png'))
else:
self.p_label.setPixmap(QPixmap('ui/images/p_green.png'))
# Red power bar
def power_bar_enable(self, enable):
if enable:
self.red_power_label.setHidden(False)
else:
self.red_power_label.setHidden(True)
# Yellow normal mode bare
def normal_bar_enable(self, enable):
if enable:
self.ev_mode_bar_label.setHidden(True)
self.normal_mode_bar_label.setHidden(False)
else:
self.normal_mode_bar_label.setHidden(True)
# EV mode bar
def ev_bar_enable(self, enable):
if enable:
self.normal_mode_bar_label.setHidden(True)
self.ev_mode_bar_label.setHidden(False)
else:
self.ev_mode_bar_label.setHidden(True)
# Charging bar
def charging_bar_enable(self, enable):
if enable:
self.charging_bar_label.setHidden(False)
else:
self.charging_bar_label.setHidden(True)
# Selec yellow bar
def ef_bar_select(self, full):
if full:
self.bar_label.setPixmap(QPixmap('ui/images/full_bar.png'))
else:
self.bar_label.setPixmap(QPixmap('ui/images/half_bar.png'))
# READY or not
def ready_set(self, enable):
if enable:
self.ready_label.setHidden(False)
self.ready_label.setPixmap(QPixmap('ui/images/ready.png'))
else:
self.ready_label.setHidden(True)
# EV Normal Power
def power_mode(self, mode):
self.eco_label.setHidden(True)
self.ev_mode_label.setHidden(True)
self.normal_mode_label.setHidden(True)
self.power_mode_label.setHidden(True)
if mode == 'E':
self.eco_label.setHidden(False)
self.ev_mode_label.setHidden(False)
elif mode == 'N':
self.eco_label.setHidden(False)
self.normal_mode_label.setHidden(False)
else:
self.power_mode_label.setHidden(False)
# Change battery
def battery_update(self, percent):
self.battery_progressBar.setValue(percent)
@pyqtSlot(int)
def __update_mode(self, mode):
print(f"Change to mode {mode}")
if mode == 0:
self.rgd_select('N')
self.ready_set(True)
elif mode == 1 or mode == 2:
self.battery_update(100)
self.rgd_select('D')
self.speed_label.setText("30")
self.motor1_speed_label.setText("10")
self.motor2_speed_label.setText("20")
self.motor3_speed_label.setText("30")
self.motor1_torque_label.setText("2")
self.motor2_torque_label.setText("4")
self.motor3_torque_label.setText("6")
print("Play video x")
self.play_video('x')
