using AForge.Video.DirectShow;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using VisioForge.Shared.NAudio.CoreAudioApi;
using VisioForge.Shared.NAudio.Wave;
namespace Common.system
{
///
/// 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
///
public class FFMpeg
{
public Process myProcess = null;
///
/// 是否输出录课录屏日志
///
public bool OutputVideoLog = FileToolsCommon.GetConfigValue("OutputVideoLog") != "0";
///
/// ffmpeg输出日志文件地址 每个文件2MB左右
///
private string LogPath = "";
///
/// 是否可以录制扬声器
///
private bool IsRecordSpeaker = true;
///
/// 是否可以录制麦克风
///
private bool IsRecordMicrophone = true;
///
/// 录制屏幕
///
/// 文件存储路径
public bool StartRecordingVideo(string FilePath, Size size, out string ErrMessage)
{
while (myProcess != null)
{
Thread.Sleep(100);
}
ErrMessage = null;
//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 = GetMicrophoneName();
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 gdigrab -framerate 6 -offset_x 0 -offset_y 0 -video_size " + size.Width + "x" + size.Height + " -i desktop -pix_fmt yuv420p -vf scale=trunc(iw/2)*2:trunc(ih/2)*2 -vcodec libx264 -preset:v ultrafast -tune:v zerolatency -acodec aac " + PathName;
//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 gdigrab -framerate 6 -offset_x 0 -offset_y 0 -video_size " + size.Width + "x" + size.Height + " -i desktop -pix_fmt yuv420p -vf scale=trunc(iw/2)*2:trunc(ih/2)*2 -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 gdigrab -framerate 6 -offset_x 0 -offset_y 0 -video_size " + size.Width + "x" + size.Height + " -i desktop -pix_fmt yuv420p -vf scale=trunc(iw/2)*2:trunc(ih/2)*2 -vcodec libx264 -preset:v ultrafast -tune:v zerolatency -acodec aac " + PathName;
break;
}
if (OutputVideoLog)
{
LogHelper.WriteInfoLog("【录屏】:" + myProcess.StartInfo.Arguments);
}
FileToolsCommon.AppendText(LogPath, "【录屏】:" + myProcess.StartInfo.Arguments + "\r\n");
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);
try
{
myProcess.Start();
myProcess.BeginErrorReadLine();
}
catch (Exception ex)
{
if (ex.Message.Contains("访问"))
{
ErrMessage = "访问被拒绝,请关闭杀毒软件或新任此软件后重试!";
}
else
{
ErrMessage = ex.Message + " 请关闭杀毒软件或信任此软件后重试!";
}
LogHelper.WriteErrLog("【录音】(StartRecordingAudio)" + ErrMessage, ex);
myProcess.Dispose();
myProcess = null;
return false;
}
return true;
}
///
/// 录制音频
///
/// MP3音频位置
public bool StartRecordingAudio(string Mp3Path, out string ErrMessage)
{
ErrMessage = null;
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 = GetMicrophoneName();
}
else
{
//无法录制麦克风
IsRecordMicrophone = false;
}
StopRecordAudio(1);
if (!IsRecordSpeaker && !IsRecordMicrophone)
{
ErrMessage = "无法录制声音,请关闭杀毒软件,确保声卡和麦克风处于可用状态!";
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;
}
}
if (OutputVideoLog)
{
LogHelper.WriteInfoLog("【录音】:" + myProcess.StartInfo.Arguments);
}
FileToolsCommon.AppendText(LogPath, "【录音】:" + myProcess.StartInfo.Arguments + "\r\n");
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);
try
{
myProcess.Start(); //启动线程
myProcess.BeginErrorReadLine(); //开始异步读取
}
catch (Exception ex)
{
if (ex.Message.Contains("访问"))
{
ErrMessage = "无法录制声音,访问被拒绝,请关闭杀毒软件或信任此软件后重试!";
}
else
{
ErrMessage = ex.Message + " 请关闭杀毒软件或信任此软件后重试!";
}
LogHelper.WriteErrLog("【录音】(StartRecordingAudio)" + ErrMessage, ex);
myProcess.Dispose();
myProcess = null;
return false;
}
return true;
}
///
/// 暂停录制
///
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();
}
///
/// 停止录制并合成文件
///
/// 文件存储路径 必须与开始时的路径完全一致
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
}
///
/// 图片音频合成视频
///
/// 图片列表位置 命名为1.png 2.png
/// MP3音频位置
/// 视频保存位置
/// 每秒帧率
/// 视频宽度
/// 视频高度
public bool SynthesisVideo(string ImageListPath, string Mp3Path, string VideoSavePath, int Frequency, int VideoWidth, int VideoHeight, out string ErrMessage)
{
//new Thread(new ThreadStart(new Action(() =>
//{
//}))).Start();
while (myProcess != null)
{
Thread.Sleep(100);
}
ErrMessage = null;
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;
}
if (OutputVideoLog)
{
LogHelper.WriteInfoLog("【图片音频合成视频】:" + myProcess.StartInfo.Arguments);
}
FileToolsCommon.AppendText(LogPath, "【图片音频合成视频】:" + myProcess.StartInfo.Arguments + "\r\n");
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);
try
{
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
}
catch (Exception ex)
{
if (ex.Message.Contains("访问"))
{
ErrMessage = "访问被拒绝,请关闭杀毒软件或新任此软件后重试!";
}
else
{
ErrMessage = ex.Message + " 请关闭杀毒软件或信任此软件后重试!";
}
LogHelper.WriteErrLog("【录音】(StartRecordingAudio)" + ErrMessage, ex);
myProcess.Dispose();
myProcess = null;
return false;
}
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);
ErrMessage = ex.Message;
return false;
}
//Dispatcher.Invoke(() =>
//{
//});
//// 允许不同线程间的调用
//Control.CheckForIllegalCrossThreadCalls = false;
}
///
/// 视频音频合成
///
/// 存储路径
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;
}
if (OutputVideoLog)
{
LogHelper.WriteInfoLog("【音视频合成】:" + myProcess.StartInfo.Arguments);
}
FileToolsCommon.AppendText(LogPath, "【音视频合成】:" + myProcess.StartInfo.Arguments + "\r\n");
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/");
}
}
///
/// 获取文件完整路径 音频
///
/// 文件路径
///
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;
}
///
/// 获取文件完整路径 录屏
///
/// 文件路径
///
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;
}
///
/// 生成缩略图
///
/// 视频地址
/// 图片地址
/// 图片大小
/// 图片大小
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 + "\"";
if (OutputVideoLog)
{
LogHelper.WriteInfoLog("【生成缩略图】:" + myProcess.StartInfo.Arguments);
}
FileToolsCommon.AppendText(LogPath, "【生成缩略图】:" + myProcess.StartInfo.Arguments + "\r\n");
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;
}
}
///
/// 视频转码
///
/// 源视频
/// 目标视频存储路径
/// 宽
/// 高
///
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;
if (OutputVideoLog)
{
LogHelper.WriteInfoLog("【视频转码】:" + myProcess.StartInfo.Arguments);
}
FileToolsCommon.AppendText(LogPath, "【视频转码】:" + myProcess.StartInfo.Arguments + "\r\n");
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;
}
}
///
/// 创建日志文件
///
///
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;
}
}
///
/// 输出结果
///
///
///
private void Output(object sendProcess, DataReceivedEventArgs output)
{
if (!string.IsNullOrEmpty(output.Data))
{
FileToolsCommon.AppendText(LogPath, "【" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff") + "】:");
FileToolsCommon.AppendText(LogPath, output.Data + "\r\n");
}
}
#region 麦克风声卡检测
#region 获取麦克风
private bool IsMicrophone = false;
///
/// 使用FFmpeg获取的麦克风名
///
private string MicrophoneNameInfo = "";
///
/// 获取麦克风名称
///
///
public string GetMicrophoneName()
{
return GetAudioInDevices();
//string FullName = GetInDeviceFull();
//if(string.IsNullOrWhiteSpace(MicrophoneNameInfo))
//{
// return FullName;
//}
////byte[] bufferASCII = Encoding.Default.GetBytes(MicrophoneNameInfo);
////string str = Encoding.UTF8.GetString(bufferASCII);
////str = str.Replace("?", " ");
////int num = str.Length;
////int num1 = FullName.Length;
//if (FullName.Contains("(") || FullName.Contains("("))
//{
// string EName = FullName.Substring(FullName.IndexOf("(")+1);
// if(string.IsNullOrEmpty(EName))
// {
// EName = FullName.Substring(FullName.IndexOf("(") + 1);
// EName = EName.Substring(0, EName.LastIndexOf(")"));
// }
// else
// {
// //EName = EName.Substring(0, EName.LastIndexOf(")"));
// }
// if(MicrophoneNameInfo.Contains(EName))
// {
// return FullName;
// }
// else
// {
// return GetInDeviceName();
// }
//}
//else
//{
// return FullName;
//}
}
///
/// 使用FFmpeg获取设备名称--待定
///
public void GetMToFFmpeg()
{
return;
new Thread(new ThreadStart(new Action(() =>
{
try
{
while (myProcess != null)
{
Thread.Sleep(100);
}
myProcess = new Process();
LogPath = CreateffmpegLog();
myProcess.StartInfo.FileName = FileToolsCommon.GetFileAbsolutePath(@"/ffmpeg/bin/ffmpeg.exe"); //ffmpeg.exe的绝对路径
myProcess.StartInfo.Arguments = " -list_devices true -f dshow -i dummy";
if (OutputVideoLog)
{
LogHelper.WriteInfoLog("【获取设备信息】:" + myProcess.StartInfo.Arguments);
}
FileToolsCommon.AppendText(LogPath, "【获取设备信息】:" + myProcess.StartInfo.Arguments + "\r\n");
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 += GetDevInfoData;
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
myProcess = null;
}
catch (Exception ex)
{
LogHelper.WriteErrLog("【获取设备信息】(GetMToFFmpeg)信息获取失败:" + ex.Message, ex);
}
}))).Start();
}
///
/// 使用FFmpeg获取设备名称--待定
///
///
///
private void GetDevInfoData(object sender, DataReceivedEventArgs e)
{
if (!string.IsNullOrEmpty(e.Data))
{
if (IsMicrophone)
{
try
{
MicrophoneNameInfo = e.Data;
MicrophoneNameInfo = MicrophoneNameInfo.Substring(MicrophoneNameInfo.IndexOf("]") + 1);
MicrophoneNameInfo = MicrophoneNameInfo.Replace("\"", "");
MicrophoneNameInfo = MicrophoneNameInfo.Trim();
#region 测试
//byte[] bufferASCII = Encoding.Default.GetBytes(MicrophoneNameInfo);
//MicrophoneNameInfo = Encoding.UTF8.GetString(bufferASCII); // 统一使用UTF-8
////System.Text.Encoding GB2312 = System.Text.Encoding.GetEncoding("GB2312");
////byte[] gb = GB2312.GetBytes(MicrophoneNameInfo);
////MicrophoneNameInfo = Encoding.UTF8.GetString(gb);
#endregion
IsMicrophone = false;
FileToolsCommon.AppendText(LogPath, e.Data);
//FileToolsCommon.AppendText(LogPath, "\r\n***************************************************\r\n");
}
catch (Exception ex)
{
LogHelper.WriteErrLog("【获取设备信息】(GetDevInfoData)信息获取失败:" + ex.Message, ex);
}
}
else
{
if (e.Data.Contains("DirectShow audio devices"))
{
//FileToolsCommon.AppendText(LogPath, "\r\n***************************************************\r\n");
IsMicrophone = true;
}
FileToolsCommon.AppendText(LogPath, e.Data);
FileToolsCommon.AppendText(LogPath, "\r\n");
}
}
}
///
/// AForge获取麦克风
///
///
public static string GetAudioInDevices()
{
List devicesList = new List();
try
{
FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.AudioInputDevice);
foreach (FilterInfo device in videoDevices)
{
devicesList.Add(device.Name);
}
}
catch (ApplicationException)
{
//Console.WriteLine("No local capture devices");
}
if (devicesList.Count > 1)
{
return devicesList[1];
}
else
{
return "";
}
}
///
/// AForge获取麦克风列表
///
///
public static List GetAudioInDevicesList()
{
List devicesList = new List();
try
{
FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.AudioInputDevice);
foreach (FilterInfo device in videoDevices)
{
devicesList.Add(device.Name);
}
}
catch (ApplicationException)
{
Console.WriteLine("No local capture devices");
}
return devicesList;
}
///
/// 获取声音输入设备名称 不完整
///
///
public static string GetInDeviceName()
{
List devices = new List();
int waveInDevices = WaveIn.DeviceCount;
for (int i = 0; i < waveInDevices; i++)
{
devices.Add(WaveIn.GetCapabilities(i));
}
List devs = new List();
devs = devices.Select(item => item.ProductName).ToList();
if (devs.Count > 0)
{
byte[] buffer = Encoding.UTF8.GetBytes(devs[0]);
string MicrophoneName = Encoding.UTF8.GetString(buffer); // 统一使用UTF-8
return MicrophoneName;
}
else
{
return "";
}
}
///
/// 获取声音输入设备完整名称
///
///
public static string GetInDeviceFull()
{
List devices = new List();
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))
{
devices.Add(device.FriendlyName);
break;
}
}
catch (Exception)
{
continue;
}
}
}
if (devices.Count > 0)
{
byte[] buffer = Encoding.UTF8.GetBytes(devices[0]);
string MicrophoneName = Encoding.UTF8.GetString(buffer); // 统一使用UTF-8
return MicrophoneName;
}
else
{
return "";
}
}
///
/// 获取声音输入设备完整名称列表
///
///
public List GetInDeviceListFull()
{
List devices = new List();
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))
{
devices.Add(device.FriendlyName);
break;
}
}
catch (Exception)
{
continue;
}
}
}
return devices;
}
///
/// 获取麦克风---废弃
///
private string GetMicrophone()
{
List devs = new List();
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 "";
}
}
#endregion
#region 检测是否可用
///
/// 录制麦克风的声音
///
private WaveInEvent waveIn = null; //new WaveInEvent();
///
/// 开始录制麦克风
///
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;
}
}
///
/// 结束录制音频
///
/// 1麦克风 2扬声器
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);
}
}
///
/// 录制扬声器的声音
///
private WasapiLoopbackCapture capture = null; //new WasapiLoopbackCapture();
///
/// 开始录制扬声器
///
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;
}
}
#endregion
#endregion
}
}