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interface.py
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interface.py
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import sys
from PyQt5.QtWidgets import (
QApplication,
QWidget,
QPushButton,
QVBoxLayout,
QComboBox,
QLabel,
QHBoxLayout,
QSlider,
QFileDialog,
)
from PyQt5.QtCore import Qt
import subprocess
class SimpleInterface(QWidget):
def __init__(self):
super().__init__()
self.file_path = None
self.current_video_format = None
self.start_time = 0 # Updated default start time
self.finish_time = 0 # Updated default finish time
self.init_ui()
def init_ui(self):
self.setWindowTitle('Simple Interface')
self.resize(500, 250)
self.load_button = QPushButton('Load')
self.convert_button = QPushButton('Convert')
self.load_button.clicked.connect(self.load_file_dialog)
self.convert_button.clicked.connect(self.convert_operation)
self.video_format_combo = QComboBox()
self.video_format_combo.addItems(['mp4', 'mpg', 'arc', 'mp3'])
self.video_format_combo.currentIndexChanged.connect(self.update_video_format)
self.start_time_title = QLabel("Start Time:")
self.start_time_label = QLabel("0 min")
self.start_time_slider = QSlider(Qt.Horizontal)
self.start_time_slider.setMinimum(0)
self.start_time_slider.setMaximum(10) # Adjusted slider maximum
self.start_time_slider.setValue(0) # Set default value to 0
self.start_time_slider.setTickInterval(1)
self.start_time_slider.setTickPosition(QSlider.TicksBelow)
self.start_time_slider.valueChanged.connect(self.update_start_time)
self.finish_time_title = QLabel("Finish Time:")
self.finish_time_label = QLabel("0 min")
self.finish_time_slider = QSlider(Qt.Horizontal)
self.finish_time_slider.setMinimum(0)
self.finish_time_slider.setMaximum(10) # Adjusted slider maximum
self.finish_time_slider.setValue(0) # Set default value to 0
self.finish_time_slider.setTickInterval(1)
self.finish_time_slider.setTickPosition(QSlider.TicksBelow)
self.finish_time_slider.valueChanged.connect(self.update_finish_time)
self.file_name_label = QLabel("No file loaded")
layout = QVBoxLayout()
video_layout = QHBoxLayout()
video_layout.addWidget(QLabel("Video Format: "))
video_layout.addWidget(self.video_format_combo)
start_time_layout = QHBoxLayout()
start_time_layout.addWidget(self.start_time_title)
start_time_layout.addWidget(self.start_time_label)
start_time_layout.addWidget(self.start_time_slider)
finish_time_layout = QHBoxLayout()
finish_time_layout.addWidget(self.finish_time_title)
finish_time_layout.addWidget(self.finish_time_label)
finish_time_layout.addWidget(self.finish_time_slider)
layout.addWidget(self.load_button)
layout.addLayout(video_layout)
layout.addLayout(start_time_layout)
layout.addLayout(finish_time_layout)
layout.addWidget(self.file_name_label)
layout.addWidget(self.convert_button)
self.setLayout(layout)
self.show()
def load_file_dialog(self):
file_dialog = QFileDialog()
file_path, _ = file_dialog.getOpenFileName(self, 'Select File')
if file_path:
self.file_path = file_path
file_name = file_path.split("/")[-1]
self.file_name_label.setText(f"Loaded file: {file_name}")
self.set_duration_slider()
def set_duration_slider(self):
if self.file_path:
try:
duration = self.get_video_duration(self.file_path)
duration_minutes = duration / 60
max_slider_value = int(duration_minutes * 10) # Convert to integer
self.start_time_slider.setMaximum(max_slider_value)
self.finish_time_slider.setMaximum(max_slider_value)
self.finish_time_slider.setValue(max_slider_value) # Set to maximum position
self.finish_time_label.setText(f"{duration_minutes:.1f} min")
self.start_time_slider.setValue(0) # Set start time to default 0
self.start_time_label.setText("0 min")
except Exception as e:
print(f"Error: {e}")
def get_video_duration(self, file_path):
try:
cmd = [
'ffprobe', '-i', file_path, '-show_entries', 'format=duration',
'-v', 'quiet', '-of', 'csv=p=0'
]
result = subprocess.run(
cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True
)
duration = float(result.stdout)
return int(duration)
except Exception as e:
print(f"Error while getting duration: {e}")
return 0
def update_video_format(self, index):
self.current_video_format = self.video_format_combo.currentText()
def update_start_time(self):
self.start_time = self.start_time_slider.value() / 10 # Convert slider value back to minutes
self.start_time_label.setText(f"{self.start_time:.1f} min")
def update_finish_time(self):
self.finish_time = self.finish_time_slider.value() / 10 # Convert slider value back to minutes
self.finish_time_label.setText(f"{self.finish_time:.1f} min")
def convert_operation(self):
if self.file_path:
print(
f"Convert operation triggered - File: {self.file_path}, Video format: {self.current_video_format}, "
f"Start time: {self.start_time}, Finish time: {self.finish_time}")
else:
print("Please select a file.")
def run_app():
app = QApplication(sys.argv)
window = SimpleInterface()
sys.exit(app.exec_())
if __name__ == '__main__':
run_app()