update
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xiang
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commit
788ae8ab5f
258
Video.xaml.cs
258
Video.xaml.cs
@ -1,7 +1,12 @@
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Windows;
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using System.Windows.Shapes;
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using WPFDevelopers.Helpers;
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using static System.Net.WebRequestMethods;
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using File = System.IO.File;
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namespace VideoConcat
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{
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@ -11,17 +16,28 @@ namespace VideoConcat
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public partial class Video : Window
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{
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public string text = "", outPut = "";
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public FileSystemInfo[]? Floders { get; set; }
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public string[] Heads = [];
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public string[] Tails = [];
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public List<string[]> Middles = [];
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public DirectoryInfo? Path { get; set; }
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public Dictionary<int, string[]> videoFolders = [];
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public DirectoryInfo Path;
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public Dictionary<int, A> AllPublicCombinVideos = [];
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int GenerateVideoCount = 0;
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public Video()
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{
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InitializeComponent();
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string currentPath = Directory.GetCurrentDirectory();
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DirectoryInfo ExecParentPath = Directory.GetParent(currentPath) ?? new DirectoryInfo("");
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if (ExecParentPath != null)
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{
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Path = ExecParentPath;
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}
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}
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@ -29,10 +45,10 @@ namespace VideoConcat
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{
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int count = 0;
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try
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{
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count = int.Parse(videoCount.Text);
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GenerateVideoCount = int.Parse(videoCount.Text);
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}
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catch (Exception)
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{
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@ -41,7 +57,7 @@ namespace VideoConcat
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return;
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}
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WriteTxt($"生成视频的个数:{videoCount.Text} 个");
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WriteTxt($"生成视频的个数:{GenerateVideoCount} 个");
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Check_Folder();
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@ -49,107 +65,64 @@ namespace VideoConcat
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MakeOutPutDir();
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startButton.IsEnabled = false;
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GenerateAllvideos(videoFolders);
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var dateStart = DateTime.Now; //记录用时的起始时间
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await Task.Run(async () =>
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{
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var dateStart = DateTime.Now; //记录用时的起始时间
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for (int i = 0; i <= count; i++)
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List<List<string>> lists = GenerateAllvideos(videoFolders);
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{
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await MockIOPerformanceAsync(lists);
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await MockIOPerformanceAsync(Middles[i]);
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//System.Windows.Application.Current.Dispatcher.Invoke(() =>
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//{
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// processVideoBar.Dispatcher.Invoke(() =>
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// {
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// processVideoBar.Value = i;
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// });
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// outputTxt.Dispatcher.Invoke(new Action(() =>
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// {
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// WriteTxt("正在生成第" + i + "个视频");
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// }));
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//});
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//System.Threading.Thread.Sleep(50);
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}
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startButton.Dispatcher.Invoke(() =>
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{
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startButton.IsEnabled = true;
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});
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var dateEnd = DateTime.Now;
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var timeSpan = dateEnd - dateStart;//记录开票用时
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});
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var dateEnd = DateTime.Now;
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var timeSpan = dateEnd - dateStart;//记录开票用时
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});//ProcessVideo.RunTask(processVideoBar, startButton)
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WriteTxt($"用时：{timeSpan.TotalSeconds}秒");
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}
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private void Check_Folder()
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{
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string currentPath = Directory.GetCurrentDirectory();
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Path = Directory.GetParent(currentPath);
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if (Path == null)
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{
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WriteTxt("获取相关视频文件目录失败！");
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return;
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}
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WriteTxt("当前目录为:" + Path.FullName);
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videoFolders.Clear();
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AllPublicCombinVideos.Clear();
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try
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{
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Boolean hasHead = false;
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Boolean hasTail = false;
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DirectoryInfo dirD = Path as DirectoryInfo;
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//获取文件夹下所有文件夹
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Floders = dirD.GetDirectories();
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//对单个FileSystemInfo进行判断，如果是文件夹则进行递归操作
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foreach (FileSystemInfo folder in Floders)
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int k = 1;
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for (int i = 1; i < 100; i++)
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{
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WriteTxt($"{folder.Name}");
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if (folder.Name == "head")
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var folder = string.Format("{0:D2}", i);
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string currentFolderPath = $"{Path}\\{folder}";
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if (Directory.Exists(currentFolderPath))
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{
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hasHead = true;
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Heads = GetAllVideos($"{Path}\\{folder.Name}");
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continue;
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WriteTxt(folder);
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string[] videos = GetAllVideos(currentFolderPath);
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if (videos.Length > 0)
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{
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videoFolders.Add(k, videos);
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AllPublicCombinVideos.Add(k, new A());
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k++;
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}
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}
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if (folder.Name == "tail")
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{
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hasTail = true;
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Tails = GetAllVideos($"{Path}\\{folder.Name}");
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continue;
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}
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string[] files = GetAllVideos($"{Path}\\{folder.Name}");
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Middles.Add(files);
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}
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if (!hasHead)
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{
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WriteTxt("存在名称为head的文件夹，将作为视频开头！");
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}
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if (!hasTail)
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{
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WriteTxt("存在名称为tail的文件夹，将作为视频结尾！");
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}
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Middles.Insert(0, Heads);
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Middles.Add(Tails);
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return;
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}
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catch (Exception ex)
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{
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@ -160,9 +133,14 @@ namespace VideoConcat
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private void WriteTxt(string str)
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{
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text += str + "\r\n";
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outputTxt.Text = text;
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scrowText.ScrollToEnd();
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outputTxt.Dispatcher.Invoke(() =>
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{
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text += str + "\r\n";
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outputTxt.Text = text;
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scrowText.ScrollToEnd();
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});
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}
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public static string[] GetAllVideos(string path)
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@ -170,49 +148,28 @@ namespace VideoConcat
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return Directory.GetFiles(path, "*.mp4", SearchOption.AllDirectories);
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}
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/// <summary>
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/// 执行
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/// C# Process进程调用 https://docs.microsoft.com/zh-cn/dotnet/api/system.diagnostics.process?view=net-5.0
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/// </summary>
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/// <param name="commandStr">执行命令</param>
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public static void CommandManager(string commandStr)
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{
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try
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{
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using (Process process = new Process())
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{
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process.StartInfo.FileName = @"D:\FFmpeg\ffmpeg.exe";//要执行的程序名称(属性，获取或设置要启动的应用程序或文档。FileName 属性不需要表示可执行文件。 它可以是其扩展名已经与系统上安装的应用程序关联的任何文件类型。)
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process.StartInfo.Arguments = " " + commandStr;//启动该进程时传递的命令行参数
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process.StartInfo.UseShellExecute = false;
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process.StartInfo.RedirectStandardInput = false;//可能接受来自调用程序的输入信息
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process.StartInfo.RedirectStandardOutput = false;//由调用程序获取输出信息
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process.StartInfo.RedirectStandardError = false;//重定向标准错误输出
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process.StartInfo.CreateNoWindow = false;//不显示程序窗口
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process.Start();//启动程序
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process.WaitForExit();//等待程序执行完退出进程(避免进程占用文件或者是合成文件还未生成)*
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}
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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}
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}
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public void CombineMp4WithoutTxt(string[] files, string StrOutMp4Path)
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public void CombineMp4WithoutTxt(List<string> files, string StrOutMp4Path)
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{
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Process p = new();//建立外部调用线程
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p.StartInfo.FileName = Directory.GetCurrentDirectory() + "\\ffmpeg.exe";//要调用外部程序的绝对路径
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string combineFile = "";
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//int i = 0;
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//string vao = "";
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List<string> ooootext = [];
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files.ForEach(file => {
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ooootext.Add($"file '{file}'");
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});
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string tmpConcatFile = $"{outPut}\\{Guid.NewGuid().ToString()}";
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// 也可以指定编码方式
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File.WriteAllLines(tmpConcatFile, ooootext, Encoding.ASCII);
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foreach (string file in files)
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{
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combineFile += $"| {file}";
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}
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string StrArg = $"-i concat:\"{combineFile}\" -vcodec copy -acodec copy " + StrOutMp4Path + " -y";
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string StrArg = $"-f concat -safe 0 -i {tmpConcatFile} -c copy -bsf:a aac_adtstoasc -movflags +faststart {StrOutMp4Path}";
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//string StrArg = $"-i {combineFile} -filter_complex \"{vao} concat=n={i}:v=1:a=1 [v][a]\" -map \"[v]\" -map \"[a]\" {StrOutMp4Path}";
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p.StartInfo.Arguments = StrArg;
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@ -238,7 +195,7 @@ namespace VideoConcat
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public void MakeOutPutDir()
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{
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outPut = $"{Path}\\output";
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outPut = $"{Path.FullName}\\output";
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if (!Directory.Exists(outPut))
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{
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@ -246,27 +203,84 @@ namespace VideoConcat
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}
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}
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public static async Task<IEnumerable<string>> MockIOPerformanceAsync(string[] ls)
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public async Task<IEnumerable<string>> MockIOPerformanceAsync(List<List<string>> ls)
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{
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List<string> lss = new List<string>();
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List<Task> tasks = new List<Task>();
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List<string> lss = [];
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List<Task> tasks = [];
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foreach (var item in ls)
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{
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Task task = new Task(() =>
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Task task = new(() =>
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{
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Debug.WriteLine(Thread.GetCurrentProcessorId());
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lss.Add(item);
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DateTime now = DateTime.Now;
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Random random = new Random();
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string randomString = random.Next(100000, 999999).ToString();
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string result = now.ToString("yyyyMMddHHmmss") + randomString;
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CombineMp4WithoutTxt(item, $"{outPut}\\{result}.mp4");
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});
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tasks.Add(task);
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task.Start();
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if (tasks.Count >= GenerateVideoCount)
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{
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break;
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}
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}
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foreach (var item in tasks)
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{
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await item;
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}
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return lss;
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}
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private List<List<string>> GenerateAllvideos(Dictionary<int, string[]> dict)
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{
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List<List<string>> ls = [];
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foreach (var item in dict)
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{
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ls.Add(new List<string>(item.Value));
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}
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List<List<string>> permutations = CalculatePermutations(ls);
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return permutations;
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}
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static List<List<string>> CalculatePermutations(List<List<string>> inputList)
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{
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List<List<string>> result = new List<List<string>>();
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// 递归计算全排列的辅助函数
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void Permute(List<string> currentPermutation, int index)
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{
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if (index == inputList.Count)
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{
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result.Add(new List<string>(currentPermutation));
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return;
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}
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foreach (string item in inputList[index])
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{
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currentPermutation.Add(item);
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Permute(currentPermutation, index + 1);
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currentPermutation.RemoveAt(currentPermutation.Count - 1);
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}
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}
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Permute(new List<string>(), 0);
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return result;
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}
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}
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public class A
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{
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public int Index { get; set; }
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};
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}
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