AI写程序:视频裁剪小工具

CropVideo - 跨平台视频处理工具

项目截图

在这里插入图片描述

项目简介

CropVideo 是一个功能强大的跨平台视频处理工具，支持视频裁剪、分辨率调整、帧率修改以及视频帧提取等功能。该项目采用 Python 开发，具有现代化的用户界面，并支持 Windows、Linux 和 macOS 等主流操作系统。

项目地址：https://github.com/dependon/CropVideo

主要功能

视频裁剪：支持对视频进行精确的时间段裁剪
分辨率调整：可以调整视频的输出分辨率
帧率修改：支持修改视频的帧率
帧提取：能够从视频中提取指定帧的图像
跨平台支持：支持 Windows、Linux 和 macOS 系统
自动化构建：使用 GitHub Actions 实现自动化构建和发布

安装方法

方法1：直接下载可执行文件

从 GitHub Releases 页面下载最新版本的可执行文件：

Windows: cropVideo_windows_x64.exe
Linux: cropVideo_linux_x64
macOS: cropVideo_macos_x64

方法2：从源码构建

克隆仓库：

git clone https://github.com/dependon/CropVideo.git
cd CropVideo

创建并激活 Conda 环境：

conda env create -f environment.yml
conda activate crop-video-env

安装依赖：

pip install -r requirements.txt

源代码

以下是项目的核心源代码（由 AI 生成）：

cropVideo.py

import tkinter as tk
from tkinter import ttk, filedialog, messagebox
import cv2
import threading
import os
import webbrowser
from datetime import timedelta
import math
import locale # For potential number formatting# --- Language Dictionary ---
LANGUAGES = {'en': {'title': "Video Processor",'input_frame': "Input Video",'file_label': "File:",'browse_button': "Browse...",'duration_label': "Duration:",'resolution_label': "Resolution:",'fps_label': "FPS:",'frames_label': "Total Frames:",'na': "N/A",'error': "Error",'warning': "Warning",'video_processing_options_frame': "Video Processing Options", # New Frame Label'time_crop_frame': "Time Cropping", # No longer a frame label, just concept'enable_time_crop': "Enable Time Crop",'start_time_label': "Start (HH:MM:SS.ms):",'end_time_label': "End (HH:MM:SS.ms):",'res_scale_frame': "Resolution Scaling (Resize)", # No longer a frame label'enable_res_scale': "Enable Resizing",'width_label': "Target Width:",'height_label': "Target Height:",'fps_change_frame': "FPS Change (Output)", # No longer a frame label'enable_fps_change': "Enable FPS Change",'output_fps_label': "Output FPS:",'output_video_frame': "Output Video File", # Changed key slightly'save_as_button': "Save As...",'process_video_button': "Process Video", # Specific button text'extract_frames_button': "Extract Frames", # New specific button text'status_label': "Status:",'video_information': "Video Information",'idle': "Idle",'loading': "Loading video info...",'loaded': "Loaded",'starting_process': "Starting video processing...", # Changed wording'starting_extract': "Starting frame extraction...",'processing': "Processing video...",'extracting': "Extracting frame",'of': "of",'frames': "frames",'complete_process': "Video processing complete! Output saved to",'complete_extract': "Frame extraction complete! Frames saved to",'error_loading': "Failed to load video info:",'error_processing': "Error during video processing:",'error_extracting': "Error during frame extraction:",'error_input_file': "Please select a valid input video file.",'error_output_file': "Please specify an output video file path for processing.", # Added context'error_output_dir': "Please select a valid output directory for frames.",'error_no_op_video': "Please enable Time Crop, Resizing, or FPS Change to process video.", # Changed'error_no_op_frames': "No frame range specified for extraction.", # Changed message# 'error_both_ops': "Cannot enable both Video Processing and Frame Extraction simultaneously. Please choose one.", # No longer needed'error_invalid_time': "Invalid time format. Use HH:MM:SS or HH:MM:SS.ms",'error_negative_time': "Start and End times cannot be negative.",'error_end_before_start': "End time must be after start time.",'error_start_too_late': "Start time is beyond the video duration.",'warning_end_time_capped': "Warning - End time capped to video duration",'error_invalid_res_int': "Target Width and Height must be integers.",'error_invalid_res_positive': "Target Width and Height must be positive.",'error_invalid_fps_format': "Output FPS must be a valid number.",'error_invalid_fps_positive': "Output FPS must be a positive number.",'error_invalid_frame_int': "Start and End frame numbers must be integers.",'error_invalid_frame_positive': "Frame numbers must be non-negative.",'error_invalid_frame_order': "End frame must be greater than or equal to start frame.",'error_invalid_frame_range': "Specified frame range is outside the total frames of the video.",'error_video_writer': "Could not open video writer for path:",'error_saving_frame': "Could not save frame {}: {}",'check_codecs': "Check codecs and permissions.",'check_permissions': "Check directory permissions.",'lang_button': "中文",'frame_extract_options_frame': "Frame Extraction Options", # Changed key slightly'enable_frame_extract': "Enable Frame Extraction", # Checkbox still useful for defaults/clarity'start_frame_label': "Start Frame:",'end_frame_label': "End Frame:",'output_dir_label': "Output Directory:",'browse_dir_button': "Browse...",'img_format_label': "Image Format:",'github_link': "https://github.com/dependon/CropVideo"},'zh': {'title': "视频处理器",'input_frame': "输入视频",'file_label': "文件:",'browse_button': "浏览...",'duration_label': "时长:",'resolution_label': "分辨率:",'fps_label': "帧率:",'frames_label': "总帧数:",'na': "不可用",'error': "错误",'warning': "警告",'video_information': "视频信息",'status': "状态",'video_processing_options_frame': "视频处理选项", # New Frame Label'time_crop_frame': "时间裁剪",'enable_time_crop': "启用时间裁剪",'start_time_label': "开始 (时:分:秒.毫秒):",'end_time_label': "结束 (时:分:秒.毫秒):",'res_scale_frame': "分辨率缩放 (调整大小)",'enable_res_scale': "启用调整大小",'width_label': "目标宽度:",'height_label': "目标高度:",'fps_change_frame': "帧率变更 (输出)",'enable_fps_change': "启用帧率变更",'output_fps_label': "输出帧率:",'output_video_frame': "输出视频文件", # Changed key slightly'save_as_button': "另存为...",'process_video_button': "处理视频", # Specific button text'extract_frames_button': "提取帧", # New specific button text'status_label': "状态:",'idle': "空闲",'loading': "正在加载视频信息...",'loaded': "已加载",'starting_process': "开始处理视频...", # Changed wording'starting_extract': "开始提取帧...",'processing': "正在处理视频...",'extracting': "正在提取第",'of': "帧 (共",'frames': "帧)",'complete_process': "视频处理完成! 输出已保存至",'complete_extract': "帧提取完成! 帧已保存至",'error_loading': "加载视频信息失败:",'error_processing': "视频处理过程中出错:",'error_extracting': "提取帧过程中出错:",'error_input_file': "请选择一个有效的输入视频文件。",'error_output_file': "请指定用于视频处理的输出文件路径。", # Added context'error_output_dir': "请选择一个有效的帧输出目录。",'error_no_op_video': "请至少启用时间裁剪、调整大小或帧率变更中的一项来处理视频。", # Changed'error_no_op_frames': "未指定用于提取的帧范围。", # Changed message# 'error_both_ops': "无法同时启用视频处理和帧提取。请选择其中一项。", # No longer needed'error_invalid_time': "无效的时间格式。请使用 HH:MM:SS 或 HH:MM:SS.ms",'error_negative_time': "开始和结束时间不能为负。",'error_end_before_start': "结束时间必须晚于开始时间。",'error_start_too_late': "开始时间超出视频总时长。",'warning_end_time_capped': "警告 - 结束时间已限制在视频时长内",'error_invalid_res_int': "目标宽度和高度必须是整数。",'error_invalid_res_positive': "目标宽度和高度必须为正数。",'error_invalid_fps_format': "输出帧率必须是一个有效的数字。",'error_invalid_fps_positive': "输出帧率必须为正数。",'error_invalid_frame_int': "开始和结束帧号必须是整数。",'error_invalid_frame_positive': "帧号必须是非负数。",'error_invalid_frame_order': "结束帧号必须大于或等于开始帧号。",'error_invalid_frame_range': "指定的帧范围超出了视频的总帧数。",'error_video_writer': "无法打开视频写入器，路径:",'error_saving_frame': "无法保存第 {} 帧: {}",'check_codecs': "请检查编解码器和权限。",'check_permissions': "请检查目录写入权限。",'lang_button': "English",'frame_extract_options_frame': "帧提取选项", # Changed key slightly'enable_frame_extract': "启用帧提取", # Checkbox still useful'start_frame_label': "开始帧:",'end_frame_label': "结束帧:",'output_dir_label': "输出目录:",'browse_dir_button': "浏览...",'img_format_label': "图片格式:",'github_link': "https://github.com/dependon/CropVideo"}
}# --- Helper Functions ---def format_time(seconds):"""Converts seconds to HH:MM:SS.ms format accurately using integer math."""if seconds is None or math.isnan(seconds) or seconds < 0:seconds = 0try:# Create timedelta objectdelta = timedelta(seconds=seconds)# Extract total days, remaining seconds, and microsecondsdays = delta.dayssecs = delta.secondsmicrosecs = delta.microseconds# Calculate total hours, minutes, secondstotal_hours = days * 24 + secs // 3600total_minutes = (secs % 3600) // 60total_seconds = secs % 60total_milliseconds = microsecs // 1000return f"{int(total_hours):02}:{int(total_minutes):02}:{int(total_seconds):02}.{int(total_milliseconds):03}"except OverflowError:# Handle potential overflow for extremely large second values if necessaryprint(f"Warning: format_time encountered very large number: {seconds}")return "00:00:00.000" # Or some other indicatordef time_str_to_seconds(time_str):"""Converts HH:MM:SS or HH:MM:SS.ms string to seconds"""if not time_str: return Nonetry:parts = time_str.split(':')if len(parts) != 3: return Noneseconds_parts = parts[2].split('.')sec = int(seconds_parts[0])ms = int(seconds_parts[1]) if len(seconds_parts) > 1 else 0if len(seconds_parts) > 1 and len(seconds_parts[1]) > 3:ms = int(seconds_parts[1][:3])# Ensure components are non-negative after parsingif sec < 0 or ms < 0 or int(parts[0]) < 0 or int(parts[1]) < 0:return None # Or raise ValueErrortotal_seconds = int(parts[0]) * 3600 + int(parts[1]) * 60 + sec + ms / 1000.0return total_secondsexcept Exception:return None# --- Main Application Class ---class VideoProcessorApp:def __init__(self, root):self.root = rootself.current_lang = 'en'self.texts = LANGUAGES[self.current_lang]self.root.title(self.texts['title'])self.root.geometry("750x950") # 调整窗口大小以适应新的界面风格# 设置主题和样式 - 全新设计风格try:self.style = ttk.Style(root)self.style.theme_use('clam')# 配置全局样式 - 使用渐变色调的暗色主题self.style.configure('TFrame', background='#2c3e50')self.style.configure('TLabelframe', background='#2c3e50')self.style.configure('TLabelframe.Label', font=('Montserrat', 11, 'bold'), foreground='#ecf0f1', background='#2c3e50')self.style.configure('TLabel', font=('Montserrat', 10), foreground='#ecf0f1', background='#2c3e50')self.style.configure('TEntry', fieldbackground='#34495e', foreground='#ecf0f1', font=('Montserrat', 10))self.style.configure('TCheckbutton', font=('Montserrat', 10), foreground='#ecf0f1', background='#2c3e50')self.style.configure('TCombobox', font=('Montserrat', 10), fieldbackground='#34495e', foreground='#ecf0f1')# 配置按钮样式 - 圆角渐变按钮self.style.configure('TButton',font=('Montserrat', 10),background='#9b59b6',foreground='#ecf0f1',padding=(12, 6),borderwidth=0,borderradius=15)self.style.map('TButton',background=[('active', '#8e44ad'), ('disabled', '#7f8c8d')],foreground=[('disabled', '#bdc3c7')])self.style.configure('Accent.TButton',font=('Montserrat', 10, 'bold'),background='#e74c3c',foreground='#ecf0f1',padding=(12, 6),borderwidth=0,borderradius=15)self.style.map('Accent.TButton',background=[('active', '#c0392b'), ('disabled', '#95a5a6')],foreground=[('disabled', '#bdc3c7')])# 配置进度条样式 - 动感渐变进度条self.style.configure('Horizontal.TProgressbar',background='#e74c3c',troughcolor='#34495e',borderwidth=0,thickness=8,borderradius=8)except tk.TclError:print("ttk themes not available.")# 设置窗口背景色 - 深色渐变背景root.configure(background='#2c3e50')# --- Variables ---self.input_path = tk.StringVar()self.output_path = tk.StringVar() # Video outputself.output_dir_str = tk.StringVar() # Frame outputself.original_duration_str = tk.StringVar(value=f"{self.texts['duration_label']} {self.texts['na']}")self.original_resolution_str = tk.StringVar(value=f"{self.texts['resolution_label']} {self.texts['na']}")self.original_fps_str = tk.StringVar(value=f"{self.texts['fps_label']} {self.texts['na']}")self.original_frame_count_str = tk.StringVar(value=f"{self.texts['frames_label']} {self.texts['na']}")self.enable_time_crop = tk.BooleanVar(value=False)self.start_time_str = tk.StringVar(value="00:00:00.000")self.end_time_str = tk.StringVar(value="00:00:00.000")self.enable_res_scale = tk.BooleanVar(value=False)self.scale_width_str = tk.StringVar(value="0")self.scale_height_str = tk.StringVar(value="0")self.enable_fps_change = tk.BooleanVar(value=False)self.output_fps_str = tk.StringVar(value="0")self.enable_frame_extract = tk.BooleanVar(value=False) # Keep for enabling controlsself.start_frame_str = tk.StringVar(value="0")self.end_frame_str = tk.StringVar(value="0")self.image_format_var = tk.StringVar(value="png")self.status_text = tk.StringVar(value=f"{self.texts['status_label']} {self.texts['idle']}")self.progress_var = tk.DoubleVar(value=0.0)self.processing_active = Falseself.video_capture = Noneself.video_duration_sec = 0self.video_fps = 0self.video_width = 0self.video_height = 0self.total_frames = 0# Link checkboxes to update widget statesself.enable_time_crop.trace_add("write", self.update_widget_states)self.enable_res_scale.trace_add("write", self.update_widget_states)self.enable_fps_change.trace_add("write", self.update_widget_states)self.enable_frame_extract.trace_add("write", self.update_widget_states)# --- UI Layout ---self.main_frame = ttk.Frame(root, padding="15")self.main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S))root.columnconfigure(0, weight=1)root.rowconfigure(0, weight=1)self.main_frame.columnconfigure(0, weight=1)self.main_frame.columnconfigure(1, weight=1)self.main_frame.columnconfigure(2, weight=0)# 设置全局布局样式 - 更加宽敞的布局FRAME_PADDING = "15"WIDGET_PADX = 10WIDGET_PADY = 8SECTION_PADY = 14# Detect system languagetry:lang = locale.getdefaultlocale()[0]self.current_lang = 'zh' if lang and 'zh' in lang.lower() else 'en'except:self.current_lang = 'en'self.texts = LANGUAGES[self.current_lang]# Language Buttonself.lang_button = ttk.Button(self.main_frame, text=self.texts['lang_button'], command=self.toggle_language,style='Accent.TButton')self.lang_button.grid(row=0, column=2, sticky=tk.E, padx=8, pady=(0,12))# Input File Sectionself.input_frame = ttk.LabelFrame(self.main_frame, text=self.texts['input_frame'], padding=FRAME_PADDING)self.input_frame.grid(row=1, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=SECTION_PADY)self.input_frame.columnconfigure(1, weight=1)self.input_file_label = ttk.Label(self.input_frame, text=self.texts['file_label'])self.input_file_label.grid(row=0, column=0, sticky=tk.W, padx=WIDGET_PADX, pady=WIDGET_PADY)ttk.Entry(self.input_frame, textvariable=self.input_path, width=60).grid(row=0, column=1, sticky=(tk.W, tk.E), padx=WIDGET_PADX, pady=WIDGET_PADY)self.input_browse_button = ttk.Button(self.input_frame, text=self.texts['browse_button'], command=self.browse_input,style='Accent.TButton')self.input_browse_button.grid(row=0, column=2, sticky=tk.E, padx=WIDGET_PADX, pady=WIDGET_PADY)# Video Info Sectionself.info_frame = ttk.LabelFrame(self.main_frame, text=self.texts['video_information'], padding=FRAME_PADDING)self.info_frame.grid(row=2, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=SECTION_PADY)self.info_duration_label = ttk.Label(self.info_frame, textvariable=self.original_duration_str)self.info_duration_label.grid(row=0, column=0, sticky=tk.W, padx=WIDGET_PADX, pady=WIDGET_PADY)self.info_resolution_label = ttk.Label(self.info_frame, textvariable=self.original_resolution_str)self.info_resolution_label.grid(row=0, column=1, sticky=tk.W, padx=WIDGET_PADX, pady=WIDGET_PADY)self.info_fps_label = ttk.Label(self.info_frame, textvariable=self.original_fps_str)self.info_fps_label.grid(row=1, column=0, sticky=tk.W, padx=WIDGET_PADX, pady=WIDGET_PADY)self.info_frames_label = ttk.Label(self.info_frame, textvariable=self.original_frame_count_str)self.info_frames_label.grid(row=1, column=1, sticky=tk.W, padx=WIDGET_PADX, pady=WIDGET_PADY)# --- Video Processing Options Frame ---self.video_processing_frame = ttk.LabelFrame(self.main_frame, text=self.texts['video_processing_options_frame'], padding="5")self.video_processing_frame.grid(row=3, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=(3, 1))self.video_processing_frame.columnconfigure(1, weight=1)# Time Cropping Controlsself.time_frame = ttk.Frame(self.video_processing_frame, padding="5")self.time_frame.grid(row=0, column=0, columnspan=4, sticky=(tk.W, tk.E), pady=2)self.time_check = ttk.Checkbutton(self.time_frame, text=self.texts['enable_time_crop'], variable=self.enable_time_crop)self.time_check.grid(row=0, column=0, columnspan=4, sticky=tk.W, padx=5, pady=(0, 5))self.start_time_label = ttk.Label(self.time_frame, text=self.texts['start_time_label'])self.start_time_label.grid(row=1, column=0, sticky=tk.W, padx=5)self.start_time_entry = ttk.Entry(self.time_frame, textvariable=self.start_time_str, width=15, state=tk.DISABLED, font=('Arial', 10))self.start_time_entry.grid(row=1, column=1, sticky=tk.W, padx=5)self.end_time_label = ttk.Label(self.time_frame, text=self.texts['end_time_label'])self.end_time_label.grid(row=1, column=2, sticky=tk.W, padx=5)self.end_time_entry = ttk.Entry(self.time_frame, textvariable=self.end_time_str, width=15, state=tk.DISABLED, font=('Arial', 10))self.end_time_entry.grid(row=1, column=3, sticky=tk.W, padx=5)# Resolution Scaling Controlsself.res_frame = ttk.Frame(self.video_processing_frame, padding="5")self.res_frame.grid(row=1, column=0, columnspan=4, sticky=(tk.W, tk.E), pady=2)self.res_check = ttk.Checkbutton(self.res_frame, text=self.texts['enable_res_scale'], variable=self.enable_res_scale)self.res_check.grid(row=0, column=0, columnspan=4, sticky=tk.W, padx=5, pady=(0, 5))self.res_w_label = ttk.Label(self.res_frame, text=self.texts['width_label'])self.res_w_label.grid(row=1, column=0, sticky=tk.W, padx=5)self.res_w_entry = ttk.Entry(self.res_frame, textvariable=self.scale_width_str, width=8, state=tk.DISABLED)self.res_w_entry.grid(row=1, column=1, sticky=tk.W, padx=5)self.res_h_label = ttk.Label(self.res_frame, text=self.texts['height_label'])self.res_h_label.grid(row=1, column=2, sticky=tk.W, padx=5)self.res_h_entry = ttk.Entry(self.res_frame, textvariable=self.scale_height_str, width=8, state=tk.DISABLED)self.res_h_entry.grid(row=1, column=3, sticky=tk.W, padx=5)# FPS Change Controlsself.fps_frame = ttk.Frame(self.video_processing_frame, padding="5")self.fps_frame.grid(row=2, column=0, columnspan=4, sticky=(tk.W, tk.E), pady=2)self.fps_check = ttk.Checkbutton(self.fps_frame, text=self.texts['enable_fps_change'], variable=self.enable_fps_change)self.fps_check.grid(row=0, column=0, columnspan=2, sticky=tk.W, padx=5, pady=(0,5))self.fps_label_widget = ttk.Label(self.fps_frame, text=self.texts['output_fps_label'])self.fps_label_widget.grid(row=1, column=0, sticky=tk.W, padx=5)self.fps_entry = ttk.Entry(self.fps_frame, textvariable=self.output_fps_str, width=10, state=tk.DISABLED)self.fps_entry.grid(row=1, column=1, sticky=tk.W, padx=5)# Output Video File Controlsself.output_video_frame_widget = ttk.LabelFrame(self.video_processing_frame, text=self.texts['output_video_frame'], padding="10") # Renamed varself.output_video_frame_widget.grid(row=3, column=0, columnspan=4, sticky=(tk.W, tk.E), pady=(10,5))self.output_video_frame_widget.columnconfigure(1, weight=1)self.output_file_label = ttk.Label(self.output_video_frame_widget, text=self.texts['file_label'])self.output_file_label.grid(row=0, column=0, sticky=tk.W, padx=5, pady=5)self.output_video_entry = ttk.Entry(self.output_video_frame_widget, textvariable=self.output_path, width=60) # Video entryself.output_video_entry.grid(row=0, column=1, sticky=(tk.W, tk.E), padx=5, pady=5)self.output_browse_button = ttk.Button(self.output_video_frame_widget, text=self.texts['save_as_button'], command=self.browse_output_video,style='Accent.TButton')self.output_browse_button.grid(row=0, column=2, sticky=tk.E, padx=5, pady=5)# --- Frame Extraction Options Frame ---self.frame_extract_options_frame = ttk.LabelFrame(self.main_frame, text=self.texts['frame_extract_options_frame'], padding="10")self.frame_extract_options_frame.grid(row=4, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=(2, 5))self.frame_extract_options_frame.columnconfigure(1, weight=1)# Frame Extraction Controls# Checkbox kept mainly to toggle the sub-controls easilyself.frame_extract_check = ttk.Checkbutton(self.frame_extract_options_frame, text=self.texts['enable_frame_extract'], variable=self.enable_frame_extract)self.frame_extract_check.grid(row=0, column=0, columnspan=4, sticky=tk.W, padx=5, pady=(5,2))self.start_frame_label = ttk.Label(self.frame_extract_options_frame, text=self.texts['start_frame_label'])self.start_frame_label.grid(row=1, column=0, sticky=tk.W, padx=5, pady=2)self.start_frame_entry = ttk.Entry(self.frame_extract_options_frame, textvariable=self.start_frame_str, width=10, state=tk.DISABLED)self.start_frame_entry.grid(row=1, column=1, sticky=tk.W, padx=5, pady=2)self.end_frame_label = ttk.Label(self.frame_extract_options_frame, text=self.texts['end_frame_label'])self.end_frame_label.grid(row=1, column=2, sticky=tk.W, padx=5, pady=2)self.end_frame_entry = ttk.Entry(self.frame_extract_options_frame, textvariable=self.end_frame_str, width=10, state=tk.DISABLED)self.end_frame_entry.grid(row=1, column=3, sticky=tk.W, padx=5, pady=2)self.output_dir_label = ttk.Label(self.frame_extract_options_frame, text=self.texts['output_dir_label'])self.output_dir_label.grid(row=2, column=0, sticky=tk.W, padx=5, pady=5)self.output_dir_entry = ttk.Entry(self.frame_extract_options_frame, textvariable=self.output_dir_str, width=45, state=tk.DISABLED)self.output_dir_entry.grid(row=2, column=1, columnspan=2, sticky=(tk.W, tk.E), padx=5, pady=5)self.output_dir_button = ttk.Button(self.frame_extract_options_frame, text=self.texts['browse_dir_button'], command=self.browse_output_dir, state=tk.DISABLED,style='Accent.TButton')self.output_dir_button.grid(row=2, column=3, sticky=tk.E, padx=5, pady=5)self.img_format_label = ttk.Label(self.frame_extract_options_frame, text=self.texts['img_format_label'])self.img_format_label.grid(row=3, column=0, sticky=tk.W, padx=5, pady=5)self.img_format_combo = ttk.Combobox(self.frame_extract_options_frame, textvariable=self.image_format_var, values=['png', 'jpg', 'bmp', 'tiff'], state='readonly', width=8)self.img_format_combo.current(0)self.img_format_combo.config(state=tk.DISABLED)self.img_format_combo.grid(row=3, column=1, sticky=tk.W, padx=5, pady=5)# --- Action Buttons Frame ---action_button_frame = ttk.Frame(self.main_frame)action_button_frame.grid(row=5, column=0, columnspan=3, pady=5)self.process_video_button = ttk.Button(action_button_frame, text=self.texts['process_video_button'], command=self.start_video_processing, width=20)self.process_video_button.pack(side=tk.LEFT, padx=10)self.extract_frames_button = ttk.Button(action_button_frame, text=self.texts['extract_frames_button'], command=self.start_frame_extraction, width=20)self.extract_frames_button.pack(side=tk.LEFT, padx=10)# --- Progress Bar and Status ---self.progress_bar = ttk.Progressbar(self.main_frame, variable=self.progress_var, maximum=100)self.progress_bar.grid(row=6, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=2)self.status_label_widget = ttk.Label(self.main_frame, textvariable=self.status_text)self.status_label_widget.grid(row=7, column=0, columnspan=3, sticky=tk.W, padx=5)# --- Hyperlink ---self.link_frame = ttk.Frame(self.main_frame)self.link_frame.grid(row=8, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=(30, 15))self.link_label = ttk.Label(self.link_frame, text=self.texts['github_link'],font=('Montserrat', 9, 'italic'),foreground='#e74c3c',cursor='hand2')self.link_label.pack()self.link_label.bind('<Button-1>', self.open_link)self.link_label.bind('<Enter>', lambda e: self.link_label.configure(foreground='#c0392b'))self.link_label.bind('<Leave>', lambda e: self.link_label.configure(foreground='#e74c3c'))# Initial UI state updateself.update_widget_states("","","") # Trigger initial state based on checkboxes# --- Language Methods ---def toggle_language(self):if self.current_lang == 'en': self.current_lang = 'zh'else: self.current_lang = 'en'self.texts = LANGUAGES[self.current_lang]self.update_language_widgets()def update_language_widgets(self):"""Updates the text of all language-dependent widgets."""self.root.title(self.texts['title'])self.lang_button.configure(text=self.texts['lang_button'])# Update button styleself.style.configure('Accent.TButton',font=('Montserrat', 10, 'bold'),background='#e74c3c',foreground='#ecf0f1',padding=(12, 6),borderwidth=0,borderradius=15)self.style.map('Accent.TButton',background=[('active', '#c0392b'), ('disabled', '#95a5a6')],foreground=[('disabled', '#bdc3c7')])# Update mutex warning if neededif hasattr(self, 'mutex_warning_str'):self.mutex_warning_str.set(self._check_mutex_options())# Input/Infoself.input_frame.config(text=self.texts['input_frame'])self.input_file_label.config(text=self.texts['file_label'])self.input_browse_button.config(text=self.texts['browse_button'])self.original_duration_str.set(f"{self.texts['duration_label']} {self.texts['na'] if self.video_duration_sec == 0 else format_time(self.video_duration_sec)}")self.original_resolution_str.set(f"{self.texts['resolution_label']} {self.texts['na'] if self.video_width == 0 else f'{self.video_width}x{self.video_height}'}")self.original_fps_str.set(f"{self.texts['fps_label']} {self.texts['na'] if self.video_fps == 0 else f'{self.video_fps:.2f}'}")self.original_frame_count_str.set(f"{self.texts['frames_label']} {self.texts['na'] if self.total_frames == 0 else self.total_frames}")# Video Processing Sectionself.video_processing_frame.config(text=self.texts['video_processing_options_frame'])self.time_check.config(text=self.texts['enable_time_crop'])self.start_time_label.config(text=self.texts['start_time_label'])self.end_time_label.config(text=self.texts['end_time_label'])self.res_check.config(text=self.texts['enable_res_scale'])self.res_w_label.config(text=self.texts['width_label'])self.res_h_label.config(text=self.texts['height_label'])self.fps_check.config(text=self.texts['enable_fps_change'])self.fps_label_widget.config(text=self.texts['output_fps_label'])self.output_video_frame_widget.config(text=self.texts['output_video_frame'])self.output_file_label.config(text=self.texts['file_label'])self.output_browse_button.config(text=self.texts['save_as_button'])# Frame Extraction Sectionself.frame_extract_options_frame.config(text=self.texts['frame_extract_options_frame'])self.frame_extract_check.config(text=self.texts['enable_frame_extract'])self.start_frame_label.config(text=self.texts['start_frame_label'])self.end_frame_label.config(text=self.texts['end_frame_label'])self.output_dir_label.config(text=self.texts['output_dir_label'])self.output_dir_button.config(text=self.texts['browse_dir_button'])self.img_format_label.config(text=self.texts['img_format_label'])# Action Buttonsself.process_video_button.configure(text=self.texts['process_video_button'])self.extract_frames_button.configure(text=self.texts['extract_frames_button'])# Status & Linkcurrent_status = self.status_text.get().split(LANGUAGES['en']['status_label'])[-1].split(LANGUAGES['zh']['status_label'])[-1].strip()self.status_text.set(f"{self.texts['status_label']} {current_status}")self.link_label.config(text=self.texts['github_link'])# --- File/Directory Browsing ---def open_link(self, event): webbrowser.open_new(r"https://github.com/dependon/CropVideo")def browse_input(self):path = filedialog.askopenfilename(title=self.texts['input_frame'], filetypes=[("Video Files", "*.mp4 *.avi *.mov *.mkv"), ("All Files", "*.*")])if path:self.input_path.set(path)self.load_video_info()# Suggest defaults based on input pathbase, ext = os.path.splitext(path)if not self.output_path.get(): self.output_path.set(f"{base}_processed{ext}")if not self.output_dir_str.get(): self.output_dir_str.set(f"{base}_frames")def browse_output_video(self):initial_dir = os.path.dirname(self.output_path.get()) if self.output_path.get() else os.path.dirname(self.input_path.get())initial_file = os.path.basename(self.output_path.get()) if self.output_path.get() else ""if not initial_file and self.input_path.get():base, ext = os.path.splitext(self.input_path.get())initial_file = f"{os.path.basename(base)}_processed{ext}"path = filedialog.asksaveasfilename(title=self.texts['save_as_button'], filetypes=[("MP4", "*.mp4"), ("AVI", "*.avi"), ("MOV", "*.mov"), ("MKV", "*.mkv"), ("All", "*.*")], defaultextension=".mp4", initialdir=initial_dir, initialfile=initial_file)if path: self.output_path.set(path)def browse_output_dir(self):initial_dir = self.output_dir_str.get() if self.output_dir_str.get() else os.path.dirname(self.input_path.get())if not os.path.isdir(initial_dir) and self.input_path.get():base, _ = os.path.splitext(self.input_path.get())initial_dir = f"{base}_frames"dir_path = filedialog.askdirectory(title=self.texts['output_dir_label'], initialdir=os.path.dirname(initial_dir) if os.path.exists(os.path.dirname(initial_dir)) else None)if dir_path: self.output_dir_str.set(dir_path)# --- Video Loading ---def load_video_info(self):path = self.input_path.get()if not path: returnself._reset_video_properties()self.status_text.set(f"{self.texts['status_label']} {self.texts['loading']}")self.root.update_idletasks()try:if self.video_capture and self.video_capture.isOpened(): self.video_capture.release()self.video_capture = cv2.VideoCapture(path)if not self.video_capture.isOpened(): raise IOError(f"Cannot open: {path}")self.video_fps = self.video_capture.get(cv2.CAP_PROP_FPS)self.total_frames = int(self.video_capture.get(cv2.CAP_PROP_FRAME_COUNT))self.video_width = int(self.video_capture.get(cv2.CAP_PROP_FRAME_WIDTH))self.video_height = int(self.video_capture.get(cv2.CAP_PROP_FRAME_HEIGHT))if not self.video_fps or self.video_fps <= 0:print(f"Warning: Invalid FPS ({self.video_fps}) read for {path}. Using 30.0.")self.video_fps = 30.0if not self.total_frames or self.total_frames < 0:print(f"Warning: Invalid frame count ({self.total_frames}) read for {path}. Using 0.")self.total_frames = 0if self.total_frames > 0 and self.video_fps > 0:self.video_duration_sec = self.total_frames / self.video_fps# --- DEBUG PRINT ---print(f"Calculated Duration (seconds): {self.video_duration_sec}")print(f"Total Frames: {self.total_frames}, FPS: {self.video_fps}")# --- END DEBUG ---else:self.video_duration_sec = 0formatted_duration = format_time(self.video_duration_sec)# --- DEBUG PRINT ---print(f"Formatted Duration: {formatted_duration}")# --- END DEBUG ---self.original_duration_str.set(f"{self.texts['duration_label']} {formatted_duration}")self.original_resolution_str.set(f"{self.texts['resolution_label']} {self.video_width}x{self.video_height}")self.original_fps_str.set(f"{self.texts['fps_label']} {self.video_fps:.2f}")self.original_frame_count_str.set(f"{self.texts['frames_label']} {self.total_frames}")self.start_time_str.set(format_time(0))self.end_time_str.set(formatted_duration) # Use the formatted stringself.scale_width_str.set(str(self.video_width))self.scale_height_str.set(str(self.video_height))self.output_fps_str.set(f"{self.video_fps:.2f}")self.start_frame_str.set("0")self.end_frame_str.set(str(max(0, self.total_frames - 1)))self.status_text.set(f"{self.texts['status_label']} {self.texts['loaded']} '{os.path.basename(path)}'")except Exception as e:self.show_error_message('error', 'error_loading', f"\n{e}")self._reset_video_properties() # Reset display on errorself.status_text.set(f"{self.texts['status_label']} {self.texts['error_loading']}")finally:if self.video_capture: self.video_capture.release(); self.video_capture = Noneself.update_widget_states("","","") # Update states after loadingdef _reset_video_properties(self):"""Resets internal properties and updates UI labels to N/A or default."""self.video_duration_sec = 0self.video_fps = 0self.video_width = 0self.video_height = 0self.total_frames = 0self.original_duration_str.set(f"{self.texts['duration_label']} {self.texts['na']}")self.original_resolution_str.set(f"{self.texts['resolution_label']} {self.texts['na']}")self.original_fps_str.set(f"{self.texts['fps_label']} {self.texts['na']}")self.original_frame_count_str.set(f"{self.texts['frames_label']} {self.texts['na']}")self.mutex_warning_str.set("")# Also reset default input values? Optional, maybe keep last entered.# self.start_time_str.set(format_time(0)) ... etc.# --- UI State Management ---def update_widget_states(self, var_name, index, mode):"""Enables/disables sub-widgets based on their parent checkbox state."""# Video processing widgetstime_state = tk.NORMAL if self.enable_time_crop.get() else tk.DISABLEDself.start_time_entry.config(state=time_state)self.end_time_entry.config(state=time_state)res_state = tk.NORMAL if self.enable_res_scale.get() else tk.DISABLEDself.res_w_entry.config(state=res_state)self.res_h_entry.config(state=res_state)fps_state = tk.NORMAL if self.enable_fps_change.get() else tk.DISABLEDself.fps_entry.config(state=fps_state)# Frame extraction widgetsframe_state = tk.NORMAL if self.enable_frame_extract.get() else tk.DISABLEDself.start_frame_entry.config(state=frame_state)self.end_frame_entry.config(state=frame_state)self.output_dir_entry.config(state=frame_state)self.output_dir_button.config(state=frame_state)self.img_format_combo.config(state='readonly' if frame_state == tk.NORMAL else tk.DISABLED)def update_progress(self, value, text_key, *args):"""Safely update progress bar and status text"""try: message = self.texts[text_key].format(*args)except KeyError: message = text_keyexcept IndexError: message = self.texts[text_key]final_text = f"{self.texts['status_label']} {message}"self.progress_var.set(value)self.status_text.set(final_text)def show_error_message(self, title_key, message_key, *args):try: message = self.texts[message_key].format(*args)except KeyError: message = message_keyexcept IndexError: message = self.texts[message_key]messagebox.showerror(self.texts.get(title_key, 'Error'), message)def show_warning_message(self, title_key, message_key, *args):try: message = self.texts[message_key].format(*args)except KeyError: message = message_keyexcept IndexError: message = self.texts[message_key]messagebox.showwarning(self.texts.get(title_key, 'Warning'), message)def reset_processing_state(self):"""Resets button states and processing flag."""self.processing_active = Falseself.process_video_button.config(state=tk.NORMAL)self.extract_frames_button.config(state=tk.NORMAL)# return value is optional, useful if chained like: return self.reset_processing_state()# --- Processing Logic ---def start_video_processing(self):"""Validates and starts the video processing thread."""if self.processing_active: returnin_path = self.input_path.get()if not in_path or not os.path.exists(in_path):self.show_error_message('error', 'error_input_file'); return# Check if any video processing option is actually enabledif not (self.enable_time_crop.get() or self.enable_res_scale.get() or self.enable_fps_change.get()):self.show_error_message('error', 'error_no_op_video'); returnout_path = self.output_path.get()if not out_path:self.show_error_message('error', 'error_output_file'); return# --- Reload video info for validation (get fresh values) ---temp_cap = cv2.VideoCapture(in_path)if not temp_cap.isOpened(): self.show_error_message('error', 'error_loading', in_path); returnoriginal_fps = temp_cap.get(cv2.CAP_PROP_FPS)original_total_frames = int(temp_cap.get(cv2.CAP_PROP_FRAME_COUNT))original_width = int(temp_cap.get(cv2.CAP_PROP_FRAME_WIDTH))original_height = int(temp_cap.get(cv2.CAP_PROP_FRAME_HEIGHT))temp_cap.release()if original_fps is None or original_fps <= 0: original_fps = 30.0if original_total_frames <= 0: original_total_frames = 0original_duration_sec = original_total_frames / original_fps if original_fps > 0 else 0# --- Parameter Validation ---start_sec, end_sec = 0, original_duration_secif self.enable_time_crop.get():start_sec = time_str_to_seconds(self.start_time_str.get())end_sec = time_str_to_seconds(self.end_time_str.get())if start_sec is None or end_sec is None: self.show_error_message('error', 'error_invalid_time'); returnif start_sec < 0 or end_sec < 0: self.show_error_message('error', 'error_negative_time'); returnif end_sec <= start_sec: self.show_error_message('error', 'error_end_before_start'); returnif end_sec > original_duration_sec: end_sec = original_duration_secif start_sec >= original_duration_sec and original_duration_sec > 0: self.show_error_message('error', 'error_start_too_late'); returntarget_w, target_h = original_width, original_heightif self.enable_res_scale.get():try:target_w = int(self.scale_width_str.get())target_h = int(self.scale_height_str.get())if target_w <= 0 or target_h <= 0: raise ValueError()except ValueError: self.show_error_message('error', 'error_invalid_res_positive'); returnoutput_fps = original_fpsif self.enable_fps_change.get():try:output_fps = float(self.output_fps_str.get())if output_fps <= 0: raise ValueError()except ValueError: self.show_error_message('error', 'error_invalid_fps_positive'); return# --- Start Thread ---self.processing_active = Trueself.process_video_button.config(state=tk.DISABLED)self.extract_frames_button.config(state=tk.DISABLED) # Disable bothself.progress_var.set(0)self.root.after(0, self.update_progress, 0.0, 'starting_process')process_thread = threading.Thread(target=self.perform_video_processing,args=(in_path, out_path, start_sec, end_sec, target_w, target_h,output_fps, original_fps, original_total_frames, original_duration_sec),daemon=True)process_thread.start()def start_frame_extraction(self):"""Validates and starts the frame extraction thread."""if self.processing_active: returnin_path = self.input_path.get()if not in_path or not os.path.exists(in_path):self.show_error_message('error', 'error_input_file'); returnout_dir = self.output_dir_str.get()img_format = self.image_format_var.get()if not out_dir:self.show_error_message('error', 'error_output_dir'); return# Try to create output directory if it doesn't existtry:if not os.path.isdir(out_dir):print(f"Output directory '{out_dir}' does not exist. Attempting to create.")os.makedirs(out_dir, exist_ok=True)if not os.path.isdir(out_dir): # Check again after creation attemptraise OSError(f"Failed to create directory: {out_dir}")except OSError as e:self.show_error_message('error', 'error_output_dir', f"\n{self.texts['check_permissions']} ({e})"); return# --- Reload video info for validation ---temp_cap = cv2.VideoCapture(in_path)if not temp_cap.isOpened(): self.show_error_message('error', 'error_loading', in_path); returnoriginal_total_frames = int(temp_cap.get(cv2.CAP_PROP_FRAME_COUNT))temp_cap.release()if original_total_frames <= 0: original_total_frames = 0# --- Parameter Validation ---try:start_frame = int(self.start_frame_str.get())end_frame = int(self.end_frame_str.get()) # Inclusive endif start_frame < 0 or end_frame < 0: raise ValueError(self.texts['error_invalid_frame_positive'])if end_frame < start_frame: raise ValueError(self.texts['error_invalid_frame_order'])# Check range against actual framesif original_total_frames > 0:if start_frame >= original_total_frames : raise ValueError(self.texts['error_invalid_frame_range'])if end_frame >= original_total_frames:self.show_warning_message('warning', 'error_invalid_frame_range', f"\nEnd frame capped to {original_total_frames - 1}")end_frame = original_total_frames - 1 # Adjust end frameelif start_frame > 0 or end_frame > 0: # If video has 0 frames, only 0-0 range is validraise ValueError(self.texts['error_invalid_frame_range'])except ValueError as ve:# Check if the error message is one of our specific onesif str(ve) in [self.texts['error_invalid_frame_positive'], self.texts['error_invalid_frame_order'], self.texts['error_invalid_frame_range']]:self.show_error_message('error', str(ve))else: # General integer conversion errorself.show_error_message('error', 'error_invalid_frame_int')return# --- Start Thread ---self.processing_active = Trueself.process_video_button.config(state=tk.DISABLED) # Disable bothself.extract_frames_button.config(state=tk.DISABLED)self.progress_var.set(0)self.root.after(0, self.update_progress, 0.0, 'starting_extract')extract_thread = threading.Thread(target=self.perform_frame_extraction,args=(in_path, out_dir, start_frame, end_frame, img_format, original_total_frames),daemon=True)extract_thread.start()def perform_video_processing(self, in_path, out_path, start_sec, end_sec,target_w, target_h,output_fps, original_fps, original_total_frames, original_duration_sec):"""Worker thread function for video processing."""cap = Noneout = Nonetry:cap = cv2.VideoCapture(in_path)if not cap.isOpened(): raise IOError(f"Cannot open input: {in_path}")# Get original dimensions from videooriginal_width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))original_height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))# Calculate frame range based on ORIGINAL FPSstart_frame = 0end_frame = original_total_framesif self.enable_time_crop.get(): # Check flag from main thread var# Display capped time warning if applicable (check original UI value vs capped value)original_end_time_str = self.end_time_str.get() # Access UI var safelyif end_sec < original_duration_sec and time_str_to_seconds(original_end_time_str) > original_duration_sec:self.root.after(0, self.show_warning_message, 'warning', 'warning_end_time_capped', format_time(original_duration_sec))start_frame = max(0, int(start_sec * original_fps))end_frame = min(original_total_frames, math.ceil(end_sec * original_fps))if end_frame >= original_total_frames : end_frame = original_total_frames # Ensure not out of boundsout_width, out_height = original_width, original_heightis_resizing_needed = Falseif self.enable_res_scale.get(): # Check flagout_width, out_height = target_w, target_h# Check if resize is actually necessaryif out_width != int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)) or out_height != int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)):is_resizing_needed = True# Setup Video Writerfourcc = cv2.VideoWriter_fourcc(*'mp4v')if out_path.lower().endswith('.avi'): fourcc = cv2.VideoWriter_fourcc(*'XVID')elif out_path.lower().endswith('.mov'): fourcc = cv2.VideoWriter_fourcc(*'mp4v')elif out_path.lower().endswith('.mkv'): fourcc = cv2.VideoWriter_fourcc(*'X264')out = cv2.VideoWriter(out_path, fourcc, output_fps, (out_width, out_height))if not out.isOpened(): raise IOError(f"Cannot open video writer for: {out_path}")# Process Framescurrent_frame_index = 0processed_frames_count = 0frames_to_process = max(0, end_frame - start_frame)if start_frame > 0:cap.set(cv2.CAP_PROP_POS_FRAMES, start_frame)# Verify seek accuracy (optional but good)# actual_start = int(cap.get(cv2.CAP_PROP_POS_FRAMES))# if abs(actual_start - start_frame) > 1: print(f"Warning: Seek accuracy issue? Requested {start_frame}, got {actual_start}")current_frame_index = start_frame # Track preciselywhile True:if current_frame_index >= end_frame: breakret, frame = cap.read()if not ret: breakif current_frame_index >= start_frame:output_frame = frameif is_resizing_needed: # Apply resizing only if needed and enabledoutput_frame = cv2.resize(frame, (out_width, out_height), interpolation=cv2.INTER_AREA)if output_frame is None or output_frame.size == 0:print(f"Warning: Frame {current_frame_index} empty after processing, skipping.")current_frame_index += 1; continueout.write(output_frame)processed_frames_count += 1if frames_to_process > 0 :progress = (processed_frames_count / frames_to_process) * 100# Update less frequently for performance? e.g., every 10 frames# if processed_frames_count % 10 == 0:self.root.after(0, self.update_progress, progress, 'processing', progress)current_frame_index += 1self.root.after(0, self.update_progress, 100.0, 'complete_process', os.path.basename(out_path))except Exception as e:error_details = str(e)print(f"Error in perform_video_processing: {e}") # Log detailed errorself.root.after(0, self.update_progress, 0.0, 'error_processing', error_details)try:if out and out.isOpened(): out.release()if os.path.exists(out_path): os.remove(out_path); print(f"Removed partial file: {out_path}")except OSError as os_err: print(f"Could not remove output file {out_path}: {os_err}")finally:if cap and cap.isOpened(): cap.release()if out and out.isOpened(): out.release()self.root.after(0, self.reset_processing_state)def perform_frame_extraction(self, in_path, out_dir, start_frame, end_frame, img_format, total_video_frames):"""Worker thread function for frame extraction."""cap = Nonetry:cap = cv2.VideoCapture(in_path)if not cap.isOpened(): raise IOError(f"Cannot open input: {in_path}")# Process Framescurrent_frame_index = 0extracted_count = 0frames_to_extract_total = max(0, (end_frame - start_frame) + 1) # Inclusive rangeframe_num_width = len(str(total_video_frames)) if total_video_frames > 0 else 4 # Padding widthif start_frame > 0:cap.set(cv2.CAP_PROP_POS_FRAMES, start_frame)current_frame_index = start_framewhile current_frame_index <= end_frame: # Loop until end_frame is processedret, frame = cap.read()if not ret:print(f"Warning: Failed read at frame {current_frame_index}, stopping.")self.root.after(0, self.show_warning_message, 'warning', 'error_extracting', f"Read failed at frame {current_frame_index}")break # Exit loop if video ends early# Construct filenamefilename = f"frame_{str(current_frame_index).zfill(frame_num_width)}.{img_format}"filepath = os.path.join(out_dir, filename)try:save_success = cv2.imwrite(filepath, frame)if not save_success: raise IOError(f"imwrite failed for {filepath}")extracted_count += 1if frames_to_extract_total > 0:progress = (extracted_count / frames_to_extract_total) * 100# Update less frequently?# if extracted_count % 5 == 0 or extracted_count == frames_to_extract_total:self.root.after(0, self.update_progress, progress, 'extracting', current_frame_index, end_frame, progress)except Exception as save_err:print(f"Error saving frame {current_frame_index}: {save_err}")self.root.after(0, self.show_warning_message, 'warning', 'error_saving_frame', current_frame_index, str(save_err))# Continue to next frame even if one failscurrent_frame_index += 1self.root.after(0, self.update_progress, 100.0, 'complete_extract', out_dir)except Exception as e:error_details = str(e)print(f"Error in perform_frame_extraction: {e}") # Log detailed errorself.root.after(0, self.update_progress, 0.0, 'error_extracting', error_details)finally:if cap and cap.isOpened(): cap.release()self.root.after(0, self.reset_processing_state)# --- Run the Application ---
if __name__ == "__main__":root = tk.Tk()app = VideoProcessorApp(root)root.mainloop()