From fb8eb20b74714ba15277013dbcd1bfdfb3ef7498 Mon Sep 17 00:00:00 2001 From: xiang Date: Tue, 19 Nov 2024 21:40:09 +0800 Subject: [PATCH] update --- Video.xaml.cs | 86 +++++++++++++++++++++++++++++++++++---------------- 1 file changed, 59 insertions(+), 27 deletions(-) diff --git a/Video.xaml.cs b/Video.xaml.cs index e77f8b8..4e1bcd5 100644 --- a/Video.xaml.cs +++ b/Video.xaml.cs @@ -1,4 +1,5 @@ -using System; +using Standard; +using System; using System.Diagnostics; using System.IO; using System.Linq; @@ -6,8 +7,6 @@ using System.Text; using System.Windows; using System.Windows.Shapes; using WPFDevelopers.Helpers; - - using File = System.IO.File; @@ -73,7 +72,7 @@ namespace VideoConcat MakeOutPutDir(); startButton.IsEnabled = false; - GenerateAllvideos(videoFolders); + //GenerateAllvideos(videoFolders); var dateStart = DateTime.Now; //记录用时的起始时间 await Task.Run(async () => { @@ -94,6 +93,26 @@ namespace VideoConcat var dateEnd = DateTime.Now; var timeSpan = dateEnd - dateStart;//记录开票用时 + try + { + string mp4Path = $"{Directory.GetCurrentDirectory()}\\temp\\"; + + DirectoryInfo directoryInfo = new DirectoryInfo(mp4Path); + + FileInfo[] files = directoryInfo.GetFiles("*.mp4"); // 获取指定目录下的所有 txt 文件 + + + foreach (FileInfo file in files) + { + file.Delete(); // 删除文件 + } + + } + catch (Exception) + { + + } + WriteTxt($"用时：{timeSpan.TotalSeconds}秒"); } @@ -128,7 +147,7 @@ namespace VideoConcat string[] videos = GetAllVideos(currentFolderPath); if (videos.Length > 0) { - if(totalVideoCount == 0) + if (totalVideoCount == 0) { totalVideoCount = 1; } @@ -176,22 +195,23 @@ namespace VideoConcat public void CombineMp4WithoutTxt(List files, string StrOutMp4Path) { - Process p = new();//建立外部调用线程 - p.StartInfo.FileName = Directory.GetCurrentDirectory() + "\\ffmpeg.exe";//要调用外部程序的绝对路径 - - + var random = new Random(); //int i = 0; //string vao = ""; List ooootext = []; - files.Reverse(); + files.ForEach(file => { - //#file = System.Web.HttpUtility.UrlEncode(file); - ooootext.Add($"file '{file}'"); + string tmpOut = $"{Directory.GetCurrentDirectory()}\\temp\\{Guid.NewGuid()}{random.Next(100000, 999999)}.mp4"; + // ffmpeg.exe - i a.mp4 - ac 1 - ar 48000 - vcodec copy a_re.mp4 + + Run_Command($"-i \"{file}\" -c:v libx264 -c:a aac {tmpOut}"); + ooootext.Add($"file '{tmpOut}'"); }); - var random = new Random(); - string tmpConcatFile = $"{outPut}\\{Guid.NewGuid()}{random.Next(100000, 999999)}.aaa"; + log.Info(ooootext); + + string tmpConcatFile = $"{Directory.GetCurrentDirectory()}\\temp\\{Guid.NewGuid()}{random.Next(100000, 999999)}"; // 也可以指定编码方式 //File.WriteAllLines(tmpConcatFile, ooootext, Encoding.UTF8); @@ -200,21 +220,10 @@ namespace VideoConcat - string StrArg = $"-f concat -safe 0 -i {tmpConcatFile} -bsf:a aac_adtstoasc -movflags +faststart -c copy {StrOutMp4Path}"; + string StrArg = $"-f concat -safe 0 -i {tmpConcatFile} -c copy {StrOutMp4Path}"; //string StrArg = $"-i {combineFile} -filter_complex \"{vao} concat=n={i}:v=1:a=1 [v][a]\" -map \"[v]\" -map \"[a]\" {StrOutMp4Path}"; + Run_Command(StrArg); - - p.StartInfo.Arguments = StrArg; - - p.StartInfo.UseShellExecute = false;//不使用操作系统外壳程序启动线程(一定为FALSE,详细的请看MSDN) - p.StartInfo.RedirectStandardError = true;//把外部程序错误输出写到StandardError流中(这个一定要注意,FFMPEG的所有输出信息,都为错误输出流,用StandardOutput是捕获不到任何消息的...这是我耗费了2个多月得出来的经验...mencoder就是用standardOutput来捕获的) - p.StartInfo.CreateNoWindow = true;//不创建进程窗口 - p.ErrorDataReceived += new DataReceivedEventHandler(Output);//外部程序(这里是FFMPEG)输出流时候产生的事件,这里是把流的处理过程转移到下面的方法中,详细请查阅MSDN - p.Start();//启动线程 - p.BeginErrorReadLine();//开始异步读取 - p.WaitForExit();//阻塞等待进程结束 - p.Close();//关闭进程 - p.Dispose();//释放资源 if (File.Exists(tmpConcatFile)) { try @@ -229,6 +238,29 @@ namespace VideoConcat } + + public void Run_Command(string command) + { + + Process p = new();//建立外部调用线程 + p.StartInfo.FileName = Directory.GetCurrentDirectory() + "\\ffmpeg.exe";//要调用外部程序的绝对路径 + + + + p.StartInfo.Arguments = command; + + p.StartInfo.UseShellExecute = false;//不使用操作系统外壳程序启动线程(一定为FALSE,详细的请看MSDN) + p.StartInfo.RedirectStandardError = true;//把外部程序错误输出写到StandardError流中(这个一定要注意,FFMPEG的所有输出信息,都为错误输出流,用StandardOutput是捕获不到任何消息的...这是我耗费了2个多月得出来的经验...mencoder就是用standardOutput来捕获的) + p.StartInfo.CreateNoWindow = true;//不创建进程窗口 + p.ErrorDataReceived += new DataReceivedEventHandler(Output);//外部程序(这里是FFMPEG)输出流时候产生的事件,这里是把流的处理过程转移到下面的方法中,详细请查阅MSDN + p.Start();//启动线程 + p.BeginErrorReadLine();//开始异步读取 + p.WaitForExit();//阻塞等待进程结束 + p.Close();//关闭进程 + p.Dispose();//释放资源 + + } + private void Output(object sendProcess, DataReceivedEventArgs output) { if (!String.IsNullOrEmpty(output.Data))