1: /// <summary>

   2:    /// FFMPEG을 이용해서 프레임을 추출함

   3:    /// FFMPEGManager Class 1.0

   4:    /// Program by kunmin00

   5:    /// </summary>

   6:    public class FFMpegManager

   7:    {

   8:        const int IMG_COUNT = 60;

   9:  

  10:        /// <summary>

  11:        /// FFMPEG 을 이용해서 프레임 추출하기 kunmin00

  12:        /// </summary>

  13:        /// <param name="mediaFileInfo"></param>

  14:        /// <returns></returns>

  15:        public static Boolean GrapImageFromMediafile(MediaFile mediaFileInfo)

  16:        {

  17:  

  18:            TimeSpan duration = mediaFileInfo.DurationTime;

  19:  

  20:            LogHelper.LogMessage("[FFMPEG 이미지 추출 시작] " + mediaFileInfo.FilePath);

  21:  

  22:            Process myProcess = new Process();

  23:            FileInfo mediafileinfo = new FileInfo(mediaFileInfo.FilePath);

  24:            string mediafilename = mediafileinfo.Name.Replace(mediafileinfo.Extension, "");

  25:  

  26:            string LogPath = Application.StartupPath +"\\Temp";

  27:  

  28:            GlobalFunction.Current_Mainform.ChangeProgressBar(0, IMG_COUNT);

  29:            //디렉토리 체크

  30:            if (!Directory.Exists(LogPath))

  31:            {

  32:                LogHelper.LogMessage("[템프 폴더 생성]");

  33:                Directory.CreateDirectory(LogPath);

  34:            }

  35:  

  36:            try

  37:            {

  38:                for (int i = 0; i < IMG_COUNT; i++)

  39:                {

  40:                    myProcess.StartInfo.UseShellExecute = false;

  41:                    // You can start any process, HelloWorld is a do-nothing example.

  42:                    myProcess.StartInfo.FileName = "FFMPEG\\ffmpeg.exe";

  43:                    TimeSpan time = TimeSpan.FromSeconds((duration.TotalSeconds / IMG_COUNT) * i + 1);

  44:                    myProcess.StartInfo.Arguments = "-ss " + GetTimeStringFromTimeSpan(time) + " -vframes 1 -i \"" + mediaFileInfo.FilePath + "\" -y -f image2 " + ".\\Temp\\" + mediafilename + "_" + time.TotalSeconds.ToString() + ".png" + " -threads 4 -an";

  45:                    myProcess.StartInfo.CreateNoWindow = true;

  46:                    myProcess.StartInfo.RedirectStandardOutput = false;

  47:                    myProcess.Start();

  48:  

  49:                    GlobalFunction.Current_Mainform.ChangeProgressBar((i+1) * 100 / IMG_COUNT, IMG_COUNT);

  50:                    LogHelper.LogMessage("[" + (i+1) + "번째 이미지 추출] " + mediafilename + "_" + time.TotalSeconds.ToString() + ".png");

  51:  

  52:                    myProcess.WaitForExit();

  53:  

  54:                    Thread.Sleep(1);

  55:             

  56:                }

  57:  

  58:                LogHelper.LogMessage("[FFMPEG 이미지 추출 종료] " + mediaFileInfo.FilePath);

  59:  

  60:                myProcess.Close();

  61:                myProcess = null;

  62:            }

  63:            catch (Exception ex)

  64:            {

  65:                ExceptionHelper.ShowException(ex);

  66:                return false;

  67:            }

  68:  

  69:            return true;

  70:        }

  71:  

  72:        public static String GetTimeStringFromTimeSpan(TimeSpan duration)

  73:        {

  74:            return duration.Hours.ToString("00") + ":" + duration.Minutes.ToString("00") + ":" + duration.Seconds.ToString("00");

  75:        }

  76:  

  77:    }