update
This commit is contained in:
xiang
parent
abd1c132a4
commit
fb8eb20b74
@ -1,4 +1,5 @@
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using System;
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using Standard;
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using System;
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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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@ -6,8 +7,6 @@ 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 File = System.IO.File;
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@ -73,7 +72,7 @@ namespace VideoConcat
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MakeOutPutDir();
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startButton.IsEnabled = false;
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GenerateAllvideos(videoFolders);
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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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@ -94,6 +93,26 @@ namespace VideoConcat
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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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try
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{
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string mp4Path = $"{Directory.GetCurrentDirectory()}\\temp\\";
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DirectoryInfo directoryInfo = new DirectoryInfo(mp4Path);
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FileInfo[] files = directoryInfo.GetFiles("*.mp4"); // 获取指定目录下的所有 txt 文件
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foreach (FileInfo file in files)
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{
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file.Delete(); // 删除文件
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}
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}
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catch (Exception)
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{
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}
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WriteTxt($"用时：{timeSpan.TotalSeconds}秒");
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}
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@ -176,22 +195,23 @@ namespace VideoConcat
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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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var random = new Random();
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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.Reverse();
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files.ForEach(file =>
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{
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//#file = System.Web.HttpUtility.UrlEncode(file);
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ooootext.Add($"file '{file}'");
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string tmpOut = $"{Directory.GetCurrentDirectory()}\\temp\\{Guid.NewGuid()}{random.Next(100000, 999999)}.mp4";
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// ffmpeg.exe - i a.mp4 - ac 1 - ar 48000 - vcodec copy a_re.mp4
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Run_Command($"-i \"{file}\" -c:v libx264 -c:a aac {tmpOut}");
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ooootext.Add($"file '{tmpOut}'");
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});
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var random = new Random();
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string tmpConcatFile = $"{outPut}\\{Guid.NewGuid()}{random.Next(100000, 999999)}.aaa";
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log.Info(ooootext);
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string tmpConcatFile = $"{Directory.GetCurrentDirectory()}\\temp\\{Guid.NewGuid()}{random.Next(100000, 999999)}";
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// 也可以指定编码方式
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//File.WriteAllLines(tmpConcatFile, ooootext, Encoding.UTF8);
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@ -200,21 +220,10 @@ namespace VideoConcat
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string StrArg = $"-f concat -safe 0 -i {tmpConcatFile} -bsf:a aac_adtstoasc -movflags +faststart -c copy {StrOutMp4Path}";
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string StrArg = $"-f concat -safe 0 -i {tmpConcatFile} -c copy {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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Run_Command(StrArg);
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p.StartInfo.Arguments = StrArg;
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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)
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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)
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p.StartInfo.CreateNoWindow = true;//不创建进程窗口
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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
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p.Start();//启动线程
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p.BeginErrorReadLine();//开始异步读取
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p.WaitForExit();//阻塞等待进程结束
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p.Close();//关闭进程
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p.Dispose();//释放资源
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if (File.Exists(tmpConcatFile))
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{
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try
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@ -229,6 +238,29 @@ namespace VideoConcat
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}
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public void Run_Command(string command)
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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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p.StartInfo.Arguments = command;
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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)
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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)
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p.StartInfo.CreateNoWindow = true;//不创建进程窗口
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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
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p.Start();//启动线程
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p.BeginErrorReadLine();//开始异步读取
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p.WaitForExit();//阻塞等待进程结束
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p.Close();//关闭进程
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p.Dispose();//释放资源
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}
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private void Output(object sendProcess, DataReceivedEventArgs output)
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{
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if (!String.IsNullOrEmpty(output.Data))
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