win/C#/Functions/Scan.cs

   1 /*  Scan.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.Windows.Forms;\r
   9 using System.IO;\r
  10 using System.Diagnostics;\r
  11 using System.Threading;\r
  12 using Handbrake.Parsing;\r
  13 \r
  14 namespace Handbrake.Functions\r
  15 {\r
  16     public class Scan\r
  17     {\r
  18         private DVD _thisDvd;\r
  19         private Parser _readData;\r
  20         private Process _hbProc;\r
  21         private string _scanProgress;\r
  22         public event EventHandler ScanStared;\r
  23         public event EventHandler ScanCompleted;\r
  24         public event EventHandler ScanStatusChanged;\r
  25 \r
  26         public void ScanSource(string sourcePath)\r
  27         {\r
  28             Thread t = new Thread(new ParameterizedThreadStart(RunScan));\r
  29             t.Start(sourcePath);\r
  30         }\r
  31 \r
  32         public DVD SouceData()\r
  33         {\r
  34             return _thisDvd;\r
  35         }\r
  36 \r
  37         public String LogData()\r
  38         {\r
  39             return _readData.Buffer;\r
  40         }\r
  41 \r
  42         public String ScanStatus()\r
  43         {\r
  44             return _scanProgress;\r
  45         }\r
  46 \r
  47         public Process ScanProcess()\r
  48         {\r
  49             return _hbProc;\r
  50         }\r
  51 \r
  52         private void RunScan(object sourcePath)\r
  53         {\r
  54             try\r
  55             {\r
  56                 if (ScanStared != null)\r
  57                     ScanStared(this, new EventArgs());\r
  58 \r
  59                 string handbrakeCLIPath = Path.Combine(Application.StartupPath, "HandBrakeCLI.exe");\r
  60                 string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
  61                 string dvdInfoPath = Path.Combine(logDir, "last_scan_log.txt");\r
  62 \r
  63                 // Make we don't pick up a stale last_encode_log.txt (and that we have rights to the file)\r
  64                 if (File.Exists(dvdInfoPath))\r
  65                     File.Delete(dvdInfoPath);\r
  66 \r
  67                 String dvdnav = string.Empty;\r
  68                 if (Properties.Settings.Default.noDvdNav)\r
  69                     dvdnav = " --no-dvdnav";\r
  70 \r
  71                 _hbProc = new Process\r
  72                 {\r
  73                     StartInfo =\r
  74                     {\r
  75                         FileName = handbrakeCLIPath,\r
  76                         Arguments = String.Format(@" -i ""{0}"" -t0 {1} -v ", sourcePath, dvdnav),\r
  77                         RedirectStandardOutput = true,\r
  78                         RedirectStandardError = true,\r
  79                         UseShellExecute = false,\r
  80                         CreateNoWindow = true\r
  81                     }\r
  82                 };\r
  83                 _hbProc.Start();\r
  84 \r
  85                 _readData = new Parser(_hbProc.StandardError.BaseStream);\r
  86                 _readData.OnScanProgress += new ScanProgressEventHandler(OnScanProgress);\r
  87                 _thisDvd = DVD.Parse(_readData);\r
  88 \r
  89                 // Write the Buffer out to file.\r
  90                 StreamWriter scanLog = new StreamWriter(dvdInfoPath);\r
  91                 scanLog.Write(_readData.Buffer);\r
  92                 scanLog.Flush();\r
  93                 scanLog.Close();\r
  94 \r
  95                 if (ScanCompleted != null)\r
  96                     ScanCompleted(this, new EventArgs());\r
  97             }\r
  98             catch (Exception exc)\r
  99             {\r
 100                 Console.WriteLine("frmMain.cs - scanProcess() " + exc);\r
 101             }\r
 102         }\r
 103 \r
 104         private void OnScanProgress(object sender, int currentTitle, int titleCount)\r
 105         {\r
 106             _scanProgress = string.Format("Processing Title: {0} of {1}", currentTitle, titleCount);\r
 107             if (ScanStatusChanged != null)\r
 108                 ScanStatusChanged(this, new EventArgs());\r
 109         }\r
 110     }\r
 111 }