|
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956 |
- using System;
- using System.Collections.Generic;
- using System.Diagnostics;
- using System.Threading;
-
- using VisioForge.Shared.NAudio.CoreAudioApi;
- using VisioForge.Shared.NAudio.Wave;
-
- namespace Common.system
- {
- /// <summary>
- /// ffmpeg帮助类
- /// 创建人:赵耀
- /// 创建时间::2020年8月22日
- /// 需要安装\ffmpeg\bin\Setup Screen Capturer Recorder v0.12.10.exe
- /// 本地调试需要配置环境变量 将ffmpeg.exe位置配置到环境变量的path中
- /// </summary>
- public class FFMpeg
- {
- public Process myProcess = null;
-
- /// <summary>
- /// ffmpeg输出日志文件地址 每个文件2MB左右
- /// </summary>
- private string LogPath = "";
-
- /// <summary>
- /// 是否可以录制扬声器
- /// </summary>
- private bool IsRecordSpeaker = true;
-
- /// <summary>
- /// 是否可以录制麦克风
- /// </summary>
- private bool IsRecordMicrophone = true;
- /// <summary>
- /// 录制屏幕
- /// </summary>
- /// <param name="FilePath">文件存储路径</param>
- public void StartRecordingVideo(string FilePath)
- {
- while (myProcess != null)
- {
- Thread.Sleep(100);
- }
- //路径
- string Path = FileToolsCommon.GetDirectoryName(FilePath);
- string Extension = FileToolsCommon.GetIOExtension(FilePath);//扩展名
- //文件保存路径
- string PathName = GetRSFilePathName(FilePath);
- Process[] KillProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in KillProcessArray)
- {
- KillProcess.Kill();
- }
- myProcess = new Process();
- LogPath = CreateffmpegLog();
- string MicrophoneName = null;
- #region 检测麦克风扬声器
- string audioSpeakerPath = FileToolsCommon.GetFileAbsolutePath("adoS.m");
- string audioMicrophonePath = FileToolsCommon.GetFileAbsolutePath("adoM.m");
- try
- {
- FileToolsCommon.DeleteFile(audioSpeakerPath);
- FileToolsCommon.DeleteFile(audioMicrophonePath);
- }
- catch (Exception)
- {
-
- }
- if (StartRecordSpeakerAudio(audioSpeakerPath))
- {
- IsRecordSpeaker = true;
- }
- else
- {
- //无法录制扬声器音频
- IsRecordSpeaker = false;
- }
- StopRecordAudio(2);
- Thread.Sleep(100);
- if (StartRecordAudio(audioMicrophonePath))
- {
- IsRecordMicrophone = true;
- }
- else
- {
- //无法录制麦克风
- IsRecordMicrophone = false;
- }
- StopRecordAudio(1);
- #endregion
- myProcess.StartInfo.FileName = FileToolsCommon.GetFileAbsolutePath(@"/ffmpeg/bin/ffmpeg.exe"); //ffmpeg.exe的绝对路径
- string SpeakerStr = "";
- string MicrophoneStr = "";
- if (IsRecordSpeaker)
- {
- SpeakerStr = "-f dshow -i audio=\"virtual-audio-capturer\" ";
- }
- if (IsRecordMicrophone)
- {
- MicrophoneName = GetMicrophone();
- if (!string.IsNullOrWhiteSpace(MicrophoneName))
- {
- MicrophoneStr = "-f dshow -i audio=\"" + MicrophoneName + "\" -filter_complex amix=inputs=2:duration=first:dropout_transition=2 ";
- }
- }
- switch (Extension.ToUpper())
- {
- case ".MP4":
- myProcess.StartInfo.Arguments = SpeakerStr + MicrophoneStr + " -f dshow -i video=\"screen-capture-recorder\" -pix_fmt yuv420p -vcodec libx264 -preset:v ultrafast -tune:v zerolatency -acodec aac " + PathName;
- //if (string.IsNullOrWhiteSpace(MicrophoneName))
- //{
- // myProcess.StartInfo.Arguments = "-f dshow -i video=\"screen-capture-recorder\" -f dshow -i audio=\"virtual-audio-capturer\" -vcodec libx264 -acodec libmp3lame -r 15 -crf 22 " + PathName; //ffmpeg的参数
- //}
- //else
- //{
- // myProcess.StartInfo.Arguments = "-f dshow -i audio=\"virtual-audio-capturer\" -f dshow -i audio=\"" +
- // MicrophoneName + "\" -filter_complex amix=inputs=2:duration=first:dropout_transition=2 -f dshow -i video=\"screen-capture-recorder\" -pix_fmt yuv420p -vcodec h264 -preset:v ultrafast -tune:v zerolatency -acodec aac -ar 44100 -ac 2 " + PathName; //ffmpeg的参数
- //}
- break;
- case ".AVI":
- case ".FLV":
- myProcess.StartInfo.Arguments = SpeakerStr + MicrophoneStr + " -f dshow -i video=\"screen-capture-recorder\" -pix_fmt yuv420p -vcodec libx264 -preset:v ultrafast -tune:v zerolatency -acodec aac -f " + Extension.ToLower().Replace(".", "") + " " + PathName;
- //if (string.IsNullOrWhiteSpace(MicrophoneName))
- //{
- // myProcess.StartInfo.Arguments = "-f dshow -i video=\"screen-capture-recorder\" -f dshow -i audio=\"virtual-audio-capturer\" -vcodec libx264 -acodec libmp3lame -r 15 -crf 22 -f " + Extension.ToLower() + " " + PathName; //ffmpeg的参数
- //}
- //else
- //{
- // myProcess.StartInfo.Arguments = "-f dshow -i audio=\"virtual-audio-capturer\" -f dshow -i audio=\"" +
- // MicrophoneName + "\" -filter_complex amix=inputs=2:duration=first:dropout_transition=2 -f dshow -i video=\"screen-capture-recorder\" -pix_fmt yuv420p -vcodec h264 -preset:v ultrafast -tune:v zerolatency -acodec aac -ar 44100 -ac 2 -f " + Extension.ToLower() + " " + PathName; //ffmpeg的参数
- //}
- break;
- default:
- myProcess.StartInfo.Arguments = SpeakerStr + MicrophoneStr + " -f dshow -i video=\"screen-capture-recorder\" -pix_fmt yuv420p -vcodec libx264 -preset:v ultrafast -tune:v zerolatency -acodec aac " + PathName;
- break;
- }
- myProcess.StartInfo.UseShellExecute = false; //不使用操作系统外壳程序启动
- myProcess.StartInfo.RedirectStandardError = true; //重定向标准错误输出
- myProcess.StartInfo.CreateNoWindow = true; //不显示程序窗口
- myProcess.StartInfo.RedirectStandardInput = true; //用于模拟该进程控制台的输入
- myProcess.ErrorDataReceived += new DataReceivedEventHandler(Output);
- myProcess.Start();
- myProcess.BeginErrorReadLine();
- }
-
- /// <summary>
- /// 录制音频
- /// </summary>
- /// <param name="Mp3Path">MP3音频位置</param>
- public bool StartRecordingAudio(string Mp3Path)
- {
- while (myProcess != null)
- {
- Thread.Sleep(100);
- }
- //路径
- string Path = FileToolsCommon.GetDirectoryName(Mp3Path);
- //文件保存路径
- string PathName = GetFilePathName(Mp3Path);
- Process[] KillProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in KillProcessArray)
- {
- KillProcess.Kill();
- }
- string MicrophoneName = null;
- #region 检测麦克风扬声器
- string audioSpeakerPath = FileToolsCommon.GetFileAbsolutePath("adoS.m");
- string audioMicrophonePath = FileToolsCommon.GetFileAbsolutePath("adoM.m");
- try
- {
- FileToolsCommon.DeleteFile(audioSpeakerPath);
- FileToolsCommon.DeleteFile(audioMicrophonePath);
- }
- catch (Exception)
- {
-
- }
- if (StartRecordSpeakerAudio(audioSpeakerPath))
- {
- IsRecordSpeaker = true;
- }
- else
- {
- //无法录制扬声器音频
- IsRecordSpeaker = false;
- }
- StopRecordAudio(2);
- Thread.Sleep(100);
- if (StartRecordAudio(audioMicrophonePath))
- {
- IsRecordMicrophone = true;
- MicrophoneName = GetMicrophone();
- }
- else
- {
- //无法录制麦克风
- IsRecordMicrophone = false;
- }
- StopRecordAudio(1);
- if (!IsRecordSpeaker && !IsRecordMicrophone)
- {
- return false;
- }
- #endregion
- myProcess = new Process();
- LogPath = CreateffmpegLog();
- myProcess.StartInfo.FileName = FileToolsCommon.GetFileAbsolutePath(@"/ffmpeg/bin/ffmpeg.exe"); //ffmpeg.exe的绝对路径
- if (IsRecordSpeaker && IsRecordMicrophone)
- {
- myProcess.StartInfo.Arguments = "-f dshow -i audio=\"virtual-audio-capturer\" -f dshow -i audio=\"" +
- MicrophoneName + "\" -filter_complex amix=inputs=2:duration=first:dropout_transition=2 " + PathName;
- }
- else if (IsRecordSpeaker)
- {
- myProcess.StartInfo.Arguments = "-f dshow -i audio=\"virtual-audio-capturer\" " + PathName;
- }
- else if (IsRecordMicrophone)
- {
- //录制麦克风
- if (!string.IsNullOrWhiteSpace(MicrophoneName))
- {
- myProcess.StartInfo.Arguments = "-f dshow -i audio=\"" +
- MicrophoneName + "\" -filter_complex amix=inputs=2:duration=first:dropout_transition=2 " + PathName;
- }
- }
- myProcess.StartInfo.UseShellExecute = false; //不使用操作系统外壳程序启动
- myProcess.StartInfo.RedirectStandardError = true; //重定向标准错误输出
- myProcess.StartInfo.CreateNoWindow = true; //不显示程序窗口
- myProcess.StartInfo.RedirectStandardInput = true; //用于模拟该进程控制台的输入
- //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
- myProcess.ErrorDataReceived += new DataReceivedEventHandler(Output);
- myProcess.Start(); //启动线程
- myProcess.BeginErrorReadLine(); //开始异步读取
- return true;
- }
-
- /// <summary>
- /// 暂停录制
- /// </summary>
- public bool SuspendFFmpeg()
- {
- if (myProcess != null)
- {
- myProcess.StandardInput.WriteLine("q");//在这个进程的控制台中模拟输入q,用于暂停录制
- myProcess.Close();//关闭进程
- myProcess.Dispose();//释放资源
- }
- #region 进程是否已经释放
- bool IsRunning = true;
- while (IsRunning)
- {
- IsRunning = false;
- Process[] ProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in ProcessArray)
- {
- IsRunning = true;
- Thread.Sleep(100);
- }
- }
- #endregion
- myProcess = null;
- return true;
- //myProcess.Kill();
- }
-
- /// <summary>
- /// 停止录制并合成文件
- /// </summary>
- /// <param name="FilePath">文件存储路径 必须与开始时的路径完全一致</param>
- public bool StopFFmpeg(string FilePath)
- {
- //文件完整路径
- if (myProcess != null)
- {
- myProcess.StandardInput.WriteLine("q");//在这个进程的控制台中模拟输入q,用于暂停录制
- myProcess.Close();//关闭进程
- myProcess.Dispose();//释放资源
- }
- #region 进程是否已经释放
- bool IsRunning = true;
- while (IsRunning)
- {
- IsRunning = false;
- Process[] ProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in ProcessArray)
- {
- IsRunning = true;
- Thread.Sleep(100);
- }
- }
- #endregion
- myProcess = null;
- Thread t1 = new Thread(MergeVideoOrAudio);
- t1.Start(FilePath);
- return true;
- //文件合成
- }
-
- /// <summary>
- /// 图片音频合成视频
- /// </summary>
- /// <param name="ImageListPath">图片列表位置 命名为1.png 2.png</param>
- /// <param name="Mp3Path">MP3音频位置</param>
- /// <param name="VideoSavePath">视频保存位置</param>
- /// <param name="Frequency">每秒帧率</param>
- /// <param name="VideoWidth">视频宽度</param>
- /// <param name="VideoHeight">视频高度</param>
- public bool SynthesisVideo(string ImageListPath, string Mp3Path, string VideoSavePath, int Frequency, int VideoWidth, int VideoHeight)
- {
- //new Thread(new ThreadStart(new Action(() =>
- //{
-
- //}))).Start();
- while (myProcess != null)
- {
- Thread.Sleep(100);
- }
- string Extension = FileToolsCommon.GetIOExtension(VideoSavePath);//扩展名
- Process[] KillProcessArray = Process.GetProcessesByName("ffmpeg");
- //Debug.WriteLine(KillProcessArray.Length.ToString());
- foreach (Process KillProcess in KillProcessArray)
- {
- KillProcess.Kill();
- }
- myProcess = new Process();
- try
- {
-
- LogPath = CreateffmpegLog();
- string mp3Str = "";
- #region 判断音频是否存在
- if (!string.IsNullOrWhiteSpace(Mp3Path))
- {
- if (FileToolsCommon.IsExistFile(Mp3Path))
- {
- mp3Str = "-i " + Mp3Path;
- }
- }
- #endregion
- myProcess.StartInfo.FileName = FileToolsCommon.GetFileAbsolutePath(@"/ffmpeg/bin/ffmpeg.exe"); //ffmpeg.exe的绝对路径
- switch (Extension.ToUpper())
- {
- case ".MP4":
- myProcess.StartInfo.Arguments = @"-y -r " + Frequency + " -i " +
- ImageListPath + @"%d.png " +
- mp3Str + @" -s " + VideoWidth + "x" + VideoHeight + " -vcodec mpeg4 " +
- VideoSavePath;
- break;
- case ".AVI":
- myProcess.StartInfo.Arguments = @"-y -r " + Frequency + " -i " +
- ImageListPath + @"%d.png " +
- mp3Str + @" -s " + VideoWidth + "x" + VideoHeight + " -f AVI " +
- VideoSavePath;
- break;
- case ".FLV":
- myProcess.StartInfo.Arguments = @"-y -r " + Frequency + " -i " +
- ImageListPath + @"%d.png " +
- mp3Str + @" -s " + VideoWidth + "x" + VideoHeight + " -f FLV " +
- VideoSavePath;
- break;
- default:
- myProcess.StartInfo.Arguments = @"-y -r " + Frequency + " -i " +
- ImageListPath + @"%d.png " +
- mp3Str + @" -s " + VideoWidth + "x" + VideoHeight + " -vcodec mpeg4 " +
- VideoSavePath;
- break;
- }
- myProcess.StartInfo.UseShellExecute = false; //不使用操作系统外壳程序启动
- myProcess.StartInfo.RedirectStandardError = true; //重定向标准错误输出
- myProcess.StartInfo.CreateNoWindow = true; //不显示程序窗口
- myProcess.StartInfo.RedirectStandardInput = true; //用于模拟该进程控制台的输入
- //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
- myProcess.ErrorDataReceived += new DataReceivedEventHandler(Output);
- myProcess.Start(); //启动线程
- myProcess.BeginErrorReadLine(); //开始异步读取
- myProcess.WaitForExit(); //阻塞等待进程结束
- myProcess.Close(); //关闭进程
- myProcess.Dispose(); //释放资源
- #region 进程是否已经释放
- bool IsRunning = true;
- while (IsRunning)
- {
- IsRunning = false;
- Process[] ProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in ProcessArray)
- {
- IsRunning = true;
- Thread.Sleep(100);
- }
- }
- #endregion
- myProcess = null;
- //生成视频后删除图片和音频保存列表
- //FileToolsCommon.DeleteDirectory(ImageListPath);
- //FileToolsCommon.DeleteDirectory(FileToolsCommon.GetDirectoryName(Mp3Path));
-
- Thread.Sleep(100);
- FileToolsCommon.DeleteDirectory(FileToolsCommon.GetDirectoryName(VideoSavePath) + "temp");
- return true;
- }
- catch (Exception ex)
- {
- LogHelper.WriteErrLog("【视频合成】(SynthesisVideo)视频生成失败," + ex.Message, ex);
- return false;
- }
- //Dispatcher.Invoke(() =>
- //{
- //});
- //// 允许不同线程间的调用
- //Control.CheckForIllegalCrossThreadCalls = false;
- }
-
- /// <summary>
- /// 视频音频合成
- /// </summary>
- /// <param name="FilePath">存储路径</param>
- public void MergeVideoOrAudio(object FilePathobj)
- {
- //new Thread(new ThreadStart(new Action(() =>
- //{
- //Dispatcher.Invoke(() =>
- //{
- //});
- //}))).Start();
-
- while (myProcess != null)
- {
- Thread.Sleep(100);
- }
- //路径
- string FilePath = (string)FilePathobj;
- string Path = FileToolsCommon.GetDirectoryName(FilePath);
- //扩展名
- string Extension = FileToolsCommon.GetIOExtension(FilePath);
- //Process[] KillProcessArray = Process.GetProcessesByName("ffmpeg");
- //foreach (var KillProcess in KillProcessArray)
- //{
- // KillProcess.Kill();
- //}
- #region 判断文件是否存在
- if (Extension.ToUpper() == ".MP3")
- {
- if (!FileToolsCommon.IsExistFile(Path + "temp/filelist.d"))
- {
- return;
- }
- }
- else
- {
- if (!FileToolsCommon.IsExistFile(Path + "temprs/filelist.d"))
- {
- return;
- }
- }
- #endregion
- myProcess = new Process();
- LogPath = CreateffmpegLog();
- myProcess.StartInfo.FileName = FileToolsCommon.GetFileAbsolutePath(@"/ffmpeg/bin/ffmpeg.exe"); //ffmpeg.exe的绝对路径
- if (Extension.ToUpper() == ".MP3")
- {
- myProcess.StartInfo.Arguments = "-f concat -safe 0 -i " + Path + "temp/filelist.d -c copy " + FilePath;
- }
- else
- {
-
- myProcess.StartInfo.Arguments = "-f concat -safe 0 -i " + Path + "temprs/filelist.d -c copy " + FilePath;
- }
- myProcess.StartInfo.UseShellExecute = false; //不使用操作系统外壳程序启动
- myProcess.StartInfo.RedirectStandardError = true; //重定向标准错误输出
- myProcess.StartInfo.CreateNoWindow = true; //不显示程序窗口
- myProcess.StartInfo.RedirectStandardInput = true; //用于模拟该进程控制台的输入
- //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
- myProcess.ErrorDataReceived += new DataReceivedEventHandler(Output);
- myProcess.Start(); //启动线程
- myProcess.BeginErrorReadLine(); //开始异步读取
- myProcess.WaitForExit(); //阻塞等待进程结束
- myProcess.Close(); //关闭进程
- myProcess.Dispose(); //释放资源
- #region 进程是否已经释放
- bool IsRunning = true;
- while (IsRunning)
- {
- IsRunning = false;
- Process[] ProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in ProcessArray)
- {
- IsRunning = true;
- Thread.Sleep(100);
- }
- }
- #endregion
- myProcess = null;
- if (Extension.ToUpper() == ".MP3")
- {
- FileToolsCommon.DeleteDirectory(Path + "temp/");
- }
- else
- {
- FileToolsCommon.DeleteDirectory(Path + "temprs/");
- }
- }
-
- /// <summary>
- /// 获取文件完整路径 音频
- /// </summary>
- /// <param name="FilePath">文件路径</param>
- /// <returns></returns>
- private string GetFilePathName(string FilePath)
- {
- //路径
- string Path = FileToolsCommon.GetDirectoryName(FilePath);
- //Path.GetFileName(FilePath);//获取文件名
- string Extension = FileToolsCommon.GetIOExtension(FilePath);//扩展名
- string tempFilePath = Path + "temp/";
- //创建临时目录
- FileToolsCommon.CreateDirectory(tempFilePath);
- //创建记录文件
- if (!FileToolsCommon.IsExistFile(tempFilePath + "filelist.d"))
- {
- FileToolsCommon.CreateFile(tempFilePath + "filelist.d");
- }
- int num = 1;
- string CompleteFilePath = tempFilePath + num + Extension;
- while (FileToolsCommon.IsExistFile(CompleteFilePath))
- {
- num++;
- CompleteFilePath = tempFilePath + num + Extension;
- }
- FileToolsCommon.AppendText(tempFilePath + "filelist.d", "file ./" + num + Extension + "\r\n");
- return CompleteFilePath;
- }
-
- /// <summary>
- /// 获取文件完整路径 录屏
- /// </summary>
- /// <param name="FilePath">文件路径</param>
- /// <returns></returns>
- private string GetRSFilePathName(string FilePath)
- {
- //路径
- string Path = FileToolsCommon.GetDirectoryName(FilePath);
- //Path.GetFileName(FilePath);//获取文件名
- string Extension = FileToolsCommon.GetIOExtension(FilePath);//扩展名
- string tempFilePath = Path + "temprs/";
- //创建临时目录
- FileToolsCommon.CreateDirectory(tempFilePath);
- //创建记录文件
- if (!FileToolsCommon.IsExistFile(tempFilePath + "filelist.d"))
- {
- FileToolsCommon.CreateFile(tempFilePath + "filelist.d");
- }
- int num = 1;
- string CompleteFilePath = tempFilePath + num + Extension;
- while (FileToolsCommon.IsExistFile(CompleteFilePath))
- {
- num++;
- CompleteFilePath = tempFilePath + num + Extension;
- }
- FileToolsCommon.AppendText(tempFilePath + "filelist.d", "file ./" + num + Extension + "\r\n");
- return CompleteFilePath;
- }
- /// <summary>
- /// 生成缩略图
- /// </summary>
- /// <param name="VideoPath">视频地址</param>
- /// <param name="ImagePath">图片地址</param>
- /// <param name="Width">图片大小</param>
- /// <param name="Height">图片大小</param>
- public bool GenerateThumbnails(string VideoPath, string ImagePath,int Width=0,int Height=0)
- {
- while (myProcess != null)
- {
- Thread.Sleep(100);
- }
- Process[] KillProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in KillProcessArray)
- {
- KillProcess.Kill();
- }
- string WHStr = "";
- if(Width>0)
- {
- WHStr = " -s "+ Width + "x"+ Height;
- }
- try
- {
- myProcess = new Process();
- LogPath = CreateffmpegLog();
- myProcess.StartInfo.FileName = FileToolsCommon.GetFileAbsolutePath(@"/ffmpeg/bin/ffmpeg.exe"); //ffmpeg.exe的绝对路径
- //myProcess.StartInfo.Arguments = "-i \"" + VideoPath + "\" -ss 1 -vframes 1 -r 1 -ac 1 -ab 2 -s " + thubWidth + "*" + thubHeight + " -f image2 \"" + ImagePath + "\"";
- myProcess.StartInfo.Arguments = "-i \"" + VideoPath + "\" -ss 1 -vframes 1 -r 1 -ac 1 -ab 2"+ WHStr + " -f image2 \"" + ImagePath + "\"";
- myProcess.StartInfo.UseShellExecute = false; //不使用操作系统外壳程序启动
- myProcess.StartInfo.RedirectStandardError = true; //重定向标准错误输出
- myProcess.StartInfo.CreateNoWindow = true; //不显示程序窗口
- myProcess.StartInfo.RedirectStandardInput = true; //用于模拟该进程控制台的输入
- //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
- myProcess.ErrorDataReceived += new DataReceivedEventHandler(Output);
- myProcess.Start(); //启动线程
- myProcess.BeginErrorReadLine(); //开始异步读取
- myProcess.WaitForExit(); //阻塞等待进程结束
- myProcess.Close(); //关闭进程
- myProcess.Dispose(); //释放资源
- #region 进程是否已经释放
- bool IsRunning = true;
- while (IsRunning)
- {
- IsRunning = false;
- Process[] ProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in ProcessArray)
- {
- IsRunning = true;
- Thread.Sleep(100);
- }
- }
- #endregion
- myProcess = null;
- return true;
- }
- catch (Exception ex)
- {
- LogHelper.WriteErrLog("【生成缩略图】(GenerateThumbnails)缩略图生成失败," + ex.Message, ex);
- return false;
- }
- }
- /// <summary>
- /// 视频转码
- /// </summary>
- /// <param name="VideoPathName">源视频</param>
- /// <param name="VideoSavePathName">目标视频存储路径</param>
- /// <param name="Width">宽</param>
- /// <param name="Height">高</param>
- /// <returns></returns>
- public bool VideoTranscode(string VideoPathName, string VideoSavePathName, int Width, int Height)
- {
- while (myProcess != null)
- {
- Thread.Sleep(100);
- }
- Process[] KillProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in KillProcessArray)
- {
- KillProcess.Kill();
- }
- try
- {
- myProcess = new Process();
- LogPath = CreateffmpegLog();
- myProcess.StartInfo.FileName = FileToolsCommon.GetFileAbsolutePath(@"/ffmpeg/bin/ffmpeg.exe"); //ffmpeg.exe的绝对路径
- myProcess.StartInfo.Arguments = "-i " + VideoPathName + " -acodec copy -vcodec libx264 -s " + Width + "*" + Height + " " + VideoSavePathName;
- myProcess.StartInfo.UseShellExecute = false; //不使用操作系统外壳程序启动
- myProcess.StartInfo.RedirectStandardError = true; //重定向标准错误输出
- myProcess.StartInfo.CreateNoWindow = true; //不显示程序窗口
- myProcess.StartInfo.RedirectStandardInput = true; //用于模拟该进程控制台的输入
- //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
- myProcess.ErrorDataReceived += new DataReceivedEventHandler(Output);
- myProcess.Start(); //启动线程
- myProcess.BeginErrorReadLine(); //开始异步读取
- myProcess.WaitForExit(); //阻塞等待进程结束
- myProcess.Close(); //关闭进程
- myProcess.Dispose(); //释放资源
- #region 进程是否已经释放
- bool IsRunning = true;
- while (IsRunning)
- {
- IsRunning = false;
- Process[] ProcessArray = Process.GetProcessesByName("ffmpeg");
- foreach (Process KillProcess in ProcessArray)
- {
- IsRunning = true;
- Thread.Sleep(100);
- }
- }
- #endregion
- myProcess = null;
- Thread.Sleep(200);
- FileToolsCommon.DeleteFile(VideoPathName);
- return true;
- }
- catch (Exception ex)
- {
- LogHelper.WriteErrLog("【视频转码】(VideoTranscode)视频转码失败," + ex.Message, ex);
- return false;
- }
- }
-
- /// <summary>
- /// 创建日志文件
- /// </summary>
- /// <returns></returns>
- private string CreateffmpegLog()
- {
- string LogFileName = DateTime.Now.ToString("yyyyMMdd");
- string LogFilePath = FileToolsCommon.GetFileAbsolutePath("/Log/FFMpegLog/");
- FileToolsCommon.CreateDirectory(LogFilePath);
- string LogName = LogFilePath + LogFileName + ".log";
- try
- {
- if (!FileToolsCommon.IsExistFile(LogName))
- {
- FileToolsCommon.CreateFile(LogName);
- FileToolsCommon.AppendText(LogName, "\r\n****************************************************************************************************" +
- "****************************************************************************************************\r\n");
- return LogName;
- }
- else
- {
- int num = 0;
- while (FileToolsCommon.GetFileSizeByMB(LogName) > 2)
- {
- num++;
- LogName = LogFilePath + LogFileName + "_" + num + ".log";
- FileToolsCommon.CreateFile(LogName);
- }
- FileToolsCommon.AppendText(LogName, "\r\n****************************************************************************************************" +
- "****************************************************************************************************\r\n");
- return LogName;
- }
- }
- catch (Exception)
- {
- return LogName;
- }
- }
-
- /// <summary>
- /// 输出结果
- /// </summary>
- /// <param name="sendProcess"></param>
- /// <param name="output"></param>
- private void Output(object sendProcess, DataReceivedEventArgs output)
- {
- if (!string.IsNullOrEmpty(output.Data))
- {
- FileToolsCommon.AppendText(LogPath, output.Data);
- }
- }
-
- //private void P_ErrorDataReceived(object sender, DataReceivedEventArgs e)
- //{
- // //+= new DataReceivedEventHandler((s, message) => { Console.WriteLine(message.Data); })
- // using (StreamWriter fs = new StreamWriter("E:\\项目\\测试\\Wpf测试\\bin\\Debug\\ffmpeg\\log.txt", true))
- // {
- // fs.WriteLine(e.Data);
- // Debug.WriteLine(output.Data.ToString());
- // }
- //}
-
- /// <summary>
- /// 获取麦克风
- /// </summary>
- private string GetMicrophone()
- {
- List<string> devs = new List<string>();
-
- MMDeviceEnumerator enumberator = new MMDeviceEnumerator();
- MMDeviceCollection deviceCollection = enumberator.EnumerateAudioEndPoints(DataFlow.Capture, DeviceState.All);
- for (int waveInDevice = 0; waveInDevice < WaveIn.DeviceCount; waveInDevice++)
- {
- WaveInCapabilities deviceInfo = WaveIn.GetCapabilities(waveInDevice);
- foreach (MMDevice device in deviceCollection)
- {
- try
- {
-
- if (device.FriendlyName.StartsWith(deviceInfo.ProductName))
- {
- devs.Add(device.FriendlyName);
- break;
- }
- }
- catch (Exception)
- {
-
- }
- }
- }
- if (devs.Count > 0)
- {
- return devs[0];
- }
- else
- {
- return "";
- }
- }
-
- /// <summary>
- /// 获取麦克风列表
- /// </summary>
- public List<string> GetMicrophoneList()
- {
- List<string> devs = new List<string>();
-
- MMDeviceEnumerator enumberator = new MMDeviceEnumerator();
- MMDeviceCollection deviceCollection = enumberator.EnumerateAudioEndPoints(DataFlow.Capture, DeviceState.All);
- for (int waveInDevice = 0; waveInDevice < WaveIn.DeviceCount; waveInDevice++)
- {
- WaveInCapabilities deviceInfo = WaveIn.GetCapabilities(waveInDevice);
- foreach (MMDevice device in deviceCollection)
- {
- try
- {
-
- if (device.FriendlyName.StartsWith(deviceInfo.ProductName))
- {
- devs.Add(device.FriendlyName);
- break;
- }
- }
- catch (Exception)
- {
-
- }
- }
- }
- return devs;
- }
-
- /// <summary>
- /// 录制麦克风的声音
- /// </summary>
- private WaveInEvent waveIn = null; //new WaveInEvent();
- /// <summary>
- /// 开始录制麦克风
- /// </summary>
- public bool StartRecordAudio(string audioFile)
- {
- try
- {
- waveIn = new WaveInEvent();
- //生成音频文件的对象
- WaveFileWriter writer = new WaveFileWriter(audioFile, waveIn.WaveFormat);
- //开始录音,写数据
- waveIn.DataAvailable += (s, a) =>
- {
- writer.Write(a.Buffer, 0, a.BytesRecorded);
- };
-
- //结束录音
- waveIn.RecordingStopped += (s, a) =>
- {
- writer.Dispose();
- writer = null;
- waveIn.Dispose();
- waveIn = null;
- try
- {
- FileToolsCommon.DeleteFile(audioFile);
- }
- catch (Exception)
- {
-
- }
- };
- waveIn.StartRecording();
- return true;
- }
- catch (Exception ex)
- {
- LogHelper.WriteErrLog("【麦克风】麦克风不可用:" + ex.Message, ex);
- return false;
- }
- }
-
- /// <summary>
- /// 结束录制音频
- /// </summary>
- /// <param name="type">1麦克风 2扬声器</param>
- public void StopRecordAudio(int type)
- {
- try
- {
- if (type == 1)
- {
- if (waveIn != null)
- {
- try
- {
- waveIn.StopRecording();
- }
- catch (Exception)
- {
- waveIn = null;
- }
- }
- }
- else if (type == 2)
- {
- if (capture != null)
- {
- try
- {
- capture.StopRecording();
- }
- catch (Exception)
- {
- capture = null;
- }
- }
- }
- }
- catch (Exception ex)
- {
- LogHelper.WriteErrLog("【麦克风】麦克风不可用:" + ex.Message, ex);
- }
- }
-
-
- /// <summary>
- /// 录制扬声器的声音
- /// </summary>
- private WasapiLoopbackCapture capture = null; //new WasapiLoopbackCapture();
-
- /// <summary>
- /// 开始录制扬声器
- /// </summary>
- public bool StartRecordSpeakerAudio(string audioFile)
- {
- try
- {
- capture = new WasapiLoopbackCapture();
- //生成音频文件的对象
- WaveFileWriter writer = new WaveFileWriter(audioFile, capture.WaveFormat);
- capture.DataAvailable += (s, a) =>
- {
- writer.Write(a.Buffer, 0, a.BytesRecorded);
- };
- //结束录音
- capture.RecordingStopped += (s, a) =>
- {
- writer.Dispose();
- writer = null;
- capture.Dispose();
- capture = null;
- try
- {
- FileToolsCommon.DeleteFile(audioFile);
- }
- catch (Exception)
- {
-
- }
- };
- capture.StartRecording();
- return true;
- }
- catch (Exception ex)
- {
- LogHelper.WriteErrLog("【麦克风】麦克风不可用:" + ex.Message, ex);
- return false;
- }
- }
- }
- }
|