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         Functions.Common hb_common_func = new Functions.Common();\r
  29 \r
  30         public frmReadDVD(string inputFile, frmMain parent)\r
  31         {\r
  32             InitializeComponent();\r
  33             this.inputFile = inputFile;\r
  34             this.mainWindow = parent;\r
  35             startScan();\r
  36 \r
  37         }\r
  38 \r
  39         private void startScan()\r
  40         {\r
  41             try\r
  42             {\r
  43                 lbl_status.Visible = true;\r
  44                 ThreadPool.QueueUserWorkItem(startProc);\r
  45             }\r
  46             catch (Exception exc)\r
  47             {\r
  48                 MessageBox.Show("frmReadDVD.cs - startScan " + exc.ToString());\r
  49             }\r
  50         }\r
  51 \r
  52         private void updateUIElements()\r
  53         {\r
  54             try\r
  55             {\r
  56                 if (this.InvokeRequired)\r
  57                 {\r
  58                     this.BeginInvoke(new UpdateUIHandler(updateUIElements));\r
  59                     return;\r
  60                 }\r
  61                 // Now pass this streamreader to frmMain so that it can be used there.\r
  62                 mainWindow.setStreamReader(thisDvd);\r
  63 \r
  64                 mainWindow.drp_dvdtitle.Items.Clear();\r
  65                 mainWindow.drp_dvdtitle.Items.AddRange(thisDvd.Titles.ToArray());\r
  66                 mainWindow.drp_dvdtitle.Text = "Automatic";\r
  67                 mainWindow.drop_chapterFinish.Text = "Auto";\r
  68                 mainWindow.drop_chapterStart.Text = "Auto";\r
  69 \r
  70                 // Now select the longest title\r
  71                 hb_common_func.selectLongestTitle(mainWindow);\r
  72 \r
  73                 \r
  74 \r
  75                 this.Close();\r
  76             }\r
  77             catch (Exception exc)\r
  78             {\r
  79                 MessageBox.Show("frmReadDVD.cs - updateUIElements " + exc.ToString());\r
  80                 this.Close();\r
  81             }\r
  82         }\r
  83 \r
  84         Functions.CLI process = new Functions.CLI();\r
  85 \r
  86         private void startProc(object state)\r
  87         {\r
  88             try\r
  89             {\r
  90                 string handbrakeCLIPath = Path.Combine(Application.StartupPath, "HandBrakeCLI.exe");\r
  91                 string dvdInfoPath = Path.Combine(Path.GetTempPath(), "dvdinfo.dat");\r
  92 \r
  93                 // Make we don't pick up a stale dvdinfo.dat (and that we have rights to the file)\r
  94                 if (File.Exists(dvdInfoPath))\r
  95                     File.Delete(dvdInfoPath);\r
  96 \r
  97                 string strCmdLine = String.Format(@"cmd /c """"{0}"" -i ""{1}"" -t0 -v >""{2}"" 2>&1""", handbrakeCLIPath, inputFile, dvdInfoPath);\r
  98 \r
  99                 ProcessStartInfo hbParseDvd = new ProcessStartInfo("CMD.exe", strCmdLine);\r
 100                 hbParseDvd.WindowStyle = ProcessWindowStyle.Hidden;\r
 101                 using (Process hbproc = Process.Start(hbParseDvd))\r
 102                 {\r
 103                     hbproc.WaitForExit();\r
 104                     // TODO: Verify exit code if the CLI supports it properly\r
 105                 }\r
 106 \r
 107                 if (!File.Exists(dvdInfoPath))\r
 108                 {\r
 109                     throw new Exception("Unable to retrieve the DVD Info. dvdinfo.dat is missing.");\r
 110                 }\r
 111 \r
 112                 using (StreamReader sr = new StreamReader(dvdInfoPath))\r
 113                 {\r
 114                     thisDvd = Parsing.DVD.Parse(sr);\r
 115                     sr.Close();\r
 116                     sr.Dispose();\r
 117                 }\r
 118 \r
 119                 updateUIElements();\r
 120             }\r
 121             catch (Exception exc)\r
 122             {\r
 123                 MessageBox.Show("frmReadDVD.cs - startProc " + exc.ToString());\r
 124                 this.Close();\r
 125             }\r
 126 \r
 127         }\r
 128     }\r
 129 }