win/C#/frmReadDVD.cs

   1 /*  frmReadDVD.cs $\r
   2         \r
   3            This file is part of the HandBrake source code.\r
   4            Homepage: <http://handbrake.fr>.\r
   5            It may be used under the terms of the GNU General Public License. */\r
   6 \r
   7 using System;\r
   8 using System.Collections.Generic;\r
   9 using System.ComponentModel;\r
  10 using System.Data;\r
  11 using System.Drawing;\r
  12 using System.Text;\r
  13 using System.Windows.Forms;\r
  14 using System.IO;\r
  15 using System.Threading;\r
  16 using System.Diagnostics;\r
  17 using System.Collections;\r
  18 \r
  19 \r
  20 namespace Handbrake\r
  21 {\r
  22     public partial class frmReadDVD : Form\r
  23     {\r
  24         private string inputFile;\r
  25         private frmMain mainWindow;\r
  26         private Parsing.DVD thisDvd;\r
  27         private delegate void UpdateUIHandler();\r
  28         Process hbproc;\r
  29         Functions.Main hb_common_func = new Functions.Main();\r
  30         Functions.Encode process = new Functions.Encode();\r
  31 \r
  32         public frmReadDVD(string inputFile, frmMain parent)\r
  33         {\r
  34             InitializeComponent();\r
  35             this.inputFile = inputFile;\r
  36             this.mainWindow = parent;\r
  37             startScan();\r
  38         }\r
  39 \r
  40         private void startScan()\r
  41         {\r
  42             try\r
  43             {\r
  44                 lbl_status.Visible = true;\r
  45                 ThreadPool.QueueUserWorkItem(startProc);\r
  46             }\r
  47             catch (Exception exc)\r
  48             {\r
  49                 MessageBox.Show("frmReadDVD.cs - startScan " + exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
  50             }\r
  51         }\r
  52 \r
  53         private void startProc(object state)\r
  54         {\r
  55             try\r
  56             {\r
  57                 string handbrakeCLIPath = Path.Combine(Application.StartupPath, "HandBrakeCLI.exe");\r
  58                 string dvdInfoPath = Path.Combine(Path.GetTempPath(), "dvdinfo.dat");\r
  59 \r
  60                 // Make we don't pick up a stale hb_encode_log.dat (and that we have rights to the file)\r
  61                 if (File.Exists(dvdInfoPath))\r
  62                     File.Delete(dvdInfoPath);\r
  63 \r
  64                 string strCmdLine = String.Format(@"cmd /c """"{0}"" -i ""{1}"" -t0 -v >""{2}"" 2>&1""", handbrakeCLIPath, inputFile, dvdInfoPath);\r
  65 \r
  66                 ProcessStartInfo hbParseDvd = new ProcessStartInfo("CMD.exe", strCmdLine);\r
  67                 hbParseDvd.WindowStyle = ProcessWindowStyle.Hidden;\r
  68 \r
  69                 using (hbproc = Process.Start(hbParseDvd))\r
  70                 {\r
  71                     hbproc.WaitForExit();\r
  72                 }\r
  73 \r
  74                 if (!File.Exists(dvdInfoPath))\r
  75                 {\r
  76                     throw new Exception("DVD\82Ì\8fî\95ñ\82ð\8eæ\93¾\82Å\82«\82Ü\82¹\82ñ\82Å\82µ\82½\81Bdvdinfo.dat\82ª\82 \82è\82Ü\82¹\82ñ\nExpected location of dvdinfo.dat: \n" + dvdInfoPath);\r
  77                 }\r
  78 \r
  79                 using (StreamReader sr = new StreamReader(dvdInfoPath))\r
  80                 {\r
  81                     thisDvd = Parsing.DVD.Parse(sr);\r
  82                     sr.Close();\r
  83                     sr.Dispose();\r
  84                 }\r
  85 \r
  86                 updateUIElements();\r
  87             }\r
  88             catch (Exception exc)\r
  89             {\r
  90                 MessageBox.Show("frmReadDVD.cs - startProc() " + exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
  91                 closeWindowAfterError();\r
  92             }\r
  93         }\r
  94 \r
  95         private void updateUIElements()\r
  96         {\r
  97             try\r
  98             {\r
  99                 if (this.InvokeRequired)\r
 100                 {\r
 101                     this.BeginInvoke(new UpdateUIHandler(updateUIElements));\r
 102                     return;\r
 103                 }\r
 104                 // Now pass this streamreader to frmMain so that it can be used there.\r
 105                 mainWindow.setStreamReader(thisDvd);\r
 106 \r
 107                 mainWindow.drp_dvdtitle.Items.Clear();\r
 108                 if (thisDvd.Titles.Count != 0)\r
 109                     mainWindow.drp_dvdtitle.Items.AddRange(thisDvd.Titles.ToArray());\r
 110                 mainWindow.drp_dvdtitle.Text = "Automatic";\r
 111                 mainWindow.drop_chapterFinish.Text = "Auto";\r
 112                 mainWindow.drop_chapterStart.Text = "Auto";\r
 113 \r
 114                 // Now select the longest title\r
 115                 if (thisDvd.Titles.Count != 0)\r
 116                     mainWindow.drp_dvdtitle.SelectedItem = hb_common_func.selectLongestTitle(mainWindow.drp_dvdtitle);\r
 117 \r
 118                 this.Close();\r
 119             }\r
 120             catch (Exception exc)\r
 121             {\r
 122                 MessageBox.Show("frmReadDVD.cs - updateUIElements " + exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
 123                 this.Close();\r
 124             }\r
 125         }\r
 126 \r
 127         private void closeWindowAfterError()\r
 128         {\r
 129             try\r
 130             {\r
 131                 if (this.InvokeRequired)\r
 132                 {\r
 133                     this.BeginInvoke(new UpdateUIHandler(closeWindowAfterError));\r
 134                     return;\r
 135                 }\r
 136                 this.Close();\r
 137             }\r
 138             catch (Exception exc)\r
 139             {\r
 140                 MessageBox.Show("frmReadDVD.cs - closeWindowAfterError - Unable to recover from a serious error. \nYou may need to restart HandBrake. \n\n Error Information: \n " + exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
 141             }\r
 142         }\r
 143 \r
 144         private void btn_cancel_Click(object sender, EventArgs e)\r
 145         {\r
 146             // This may seem like a long way of killing HandBrakeCLI, but for whatever reason,\r
 147             // hbproc.kill/close just won't do the trick.\r
 148             try\r
 149             {\r
 150                 string AppName = "HandBrakeCLI";\r
 151 \r
 152                 AppName = AppName.ToUpper();\r
 153 \r
 154                 System.Diagnostics.Process[] prs = System.Diagnostics.Process.GetProcesses();\r
 155                 foreach (System.Diagnostics.Process proces in prs)\r
 156                 {\r
 157                     if (proces.ProcessName.ToUpper() == AppName)\r
 158                     {\r
 159                         proces.Refresh();\r
 160                         if (!proces.HasExited)\r
 161                             proces.Kill();\r
 162                     }\r
 163                 }\r
 164             }\r
 165             catch (Exception ex)\r
 166             {\r
 167                 MessageBox.Show("HandBrakeCLI.exe\82Ì\8fI\97¹\82É\8e¸\94s\82µ\82Ü\82µ\82½\81B\n\nError Information: \n" + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
 168             }\r
 169         }\r
 170     }\r
 171 }