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 frmDvdInfo dvdInfo;\r
  27         private Parsing.DVD thisDvd;\r
  28         private delegate void UpdateUIHandler();\r
  29 \r
  30         public frmReadDVD(string inputFile, frmMain parent, frmDvdInfo dvdInfoWindow)\r
  31         {\r
  32             InitializeComponent();\r
  33             this.inputFile = inputFile;\r
  34             this.mainWindow = parent;\r
  35             this.dvdInfo = dvdInfoWindow;\r
  36             startScan();\r
  37 \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());\r
  50             }\r
  51         }\r
  52 \r
  53         private void updateUIElements()\r
  54         {\r
  55             try\r
  56             {\r
  57                 if (this.InvokeRequired)\r
  58                 {\r
  59                     this.BeginInvoke(new UpdateUIHandler(updateUIElements));\r
  60                     return;\r
  61                 }\r
  62                 // Now pass this streamreader to frmMain so that it can be used there.\r
  63                 mainWindow.setStreamReader(thisDvd);\r
  64 \r
  65                 mainWindow.drp_dvdtitle.Items.Clear();\r
  66                 mainWindow.drp_dvdtitle.Items.AddRange(thisDvd.Titles.ToArray());\r
  67                 mainWindow.drp_dvdtitle.Text = "Automatic";\r
  68                 mainWindow.drop_chapterFinish.Text = "Auto";\r
  69                 mainWindow.drop_chapterStart.Text = "Auto";\r
  70 \r
  71                 // Now select the longest title\r
  72                 int current_largest = 0;\r
  73                 Handbrake.Parsing.Title title2Select = thisDvd.Titles[0];\r
  74 \r
  75                 foreach (Handbrake.Parsing.Title x in thisDvd.Titles)\r
  76                 {\r
  77                     string title = x.ToString();\r
  78                     if (title != "Automatic")\r
  79                     {\r
  80                         string[] y = title.Split(' ');\r
  81                         string time = y[1].Replace("(", "").Replace(")", "");\r
  82                         string[] z = time.Split(':');\r
  83 \r
  84                         int hours = int.Parse(z[0]) * 60 * 60;\r
  85                         int minutes = int.Parse(z[1]) * 60;\r
  86                         int seconds = int.Parse(z[2]);\r
  87                         int total_sec = hours + minutes + seconds;\r
  88 \r
  89                         if (current_largest == 0)\r
  90                         {\r
  91                             current_largest = hours + minutes + seconds;\r
  92                             title2Select = x;\r
  93                         }\r
  94                         else\r
  95                         {\r
  96                             if (total_sec > current_largest)\r
  97                             {\r
  98                                 current_largest = total_sec;\r
  99                                 title2Select = x;\r
 100                             }\r
 101                         }\r
 102                     }\r
 103             \r
 104                 }\r
 105 \r
 106 \r
 107                     mainWindow.drp_dvdtitle.SelectedItem = title2Select;\r
 108 \r
 109                 this.Close();\r
 110             }\r
 111             catch (Exception exc)\r
 112             {\r
 113                 MessageBox.Show("frmReadDVD.cs - updateUIElements " + exc.ToString());\r
 114             }\r
 115         }\r
 116 \r
 117         Functions.CLI process = new Functions.CLI();\r
 118 \r
 119         private void startProc(object state)\r
 120         {\r
 121             try\r
 122             {\r
 123                 string handbrakeCLIPath = Path.Combine(Application.StartupPath, "HandBrakeCLI.exe");\r
 124                 string dvdInfoPath = Path.Combine(Path.GetTempPath(), "dvdinfo.dat");\r
 125 \r
 126                 // Make we don't pick up a stale dvdinfo.dat (and that we have rights to the file)\r
 127                 if (File.Exists(dvdInfoPath))\r
 128                     File.Delete(dvdInfoPath);\r
 129 \r
 130                 string strCmdLine = String.Format(@"cmd /c """"{0}"" -i ""{1}"" -t0 -v >""{2}"" 2>&1""", handbrakeCLIPath, inputFile, dvdInfoPath);\r
 131 \r
 132                 ProcessStartInfo hbParseDvd = new ProcessStartInfo("CMD.exe", strCmdLine);\r
 133                 hbParseDvd.WindowStyle = ProcessWindowStyle.Hidden;\r
 134                 using (Process hbproc = Process.Start(hbParseDvd))\r
 135                 {\r
 136                     hbproc.WaitForExit();\r
 137                     // TODO: Verify exit code if the CLI supports it properly\r
 138                 } \r
 139 \r
 140                 if (!File.Exists(dvdInfoPath))\r
 141                 {\r
 142                     throw new Exception("Unable to retrieve the DVD Info. dvdinfo.dat is missing.");\r
 143                 }\r
 144 \r
 145                 using (StreamReader sr = new StreamReader(dvdInfoPath))\r
 146                 {\r
 147                     thisDvd = Parsing.DVD.Parse(sr);\r
 148                 }\r
 149 \r
 150                 updateUIElements();\r
 151             }\r
 152             catch (Exception exc)\r
 153             {\r
 154                 MessageBox.Show("frmReadDVD.cs - startProc " + exc.ToString());\r
 155             }\r
 156 \r
 157         }\r
 158     }\r
 159 }