win/C#/EncodeQueue/Encode.cs

   1 /*  Encode.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.Diagnostics;\r
   9 using System.Windows.Forms;\r
  10 using System.IO;\r
  11 using System.Runtime.InteropServices;\r
  12 using Handbrake.Functions;\r
  13 \r
  14 namespace Handbrake.EncodeQueue\r
  15 {\r
  16     public class Encode\r
  17     {\r
  18         // DLL Imports\r
  19         [DllImport("user32.dll")]\r
  20         private static extern void LockWorkStation();\r
  21         [DllImport("user32.dll")]\r
  22         private static extern int ExitWindowsEx(int uFlags, int dwReason);\r
  23  \r
  24         /// <summary>\r
  25         /// Execute a HandBrakeCLI process.\r
  26         /// </summary>\r
  27         /// <param name="query">The CLI Query</param>\r
  28         public EncodeProcess runCli(string query)\r
  29         {\r
  30             EncodeProcess currentEncode = new EncodeProcess();\r
  31             try\r
  32             {\r
  33                 string handbrakeCLIPath = Path.Combine(Application.StartupPath, "HandBrakeCLI.exe");\r
  34                 string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
  35                 string logPath = Path.Combine(logDir, "last_encode_log.txt");\r
  36                 string strCmdLine = String.Format(@" CMD /c """"{0}"" {1} 2>""{2}"" """, handbrakeCLIPath, query, logPath);\r
  37 \r
  38                 ProcessStartInfo cliStart = new ProcessStartInfo("CMD.exe", strCmdLine);\r
  39                 if (Properties.Settings.Default.enocdeStatusInGui == "Checked")\r
  40                 {\r
  41                     cliStart.RedirectStandardOutput = true;\r
  42                     cliStart.UseShellExecute = false;\r
  43                 }\r
  44                 if (Properties.Settings.Default.cli_minimized == "Checked")\r
  45                     cliStart.WindowStyle = ProcessWindowStyle.Minimized;\r
  46 \r
  47                 Process[] before = Process.GetProcesses(); // Get a list of running processes before starting.\r
  48                 currentEncode.hbProcProcess = Process.Start(cliStart);\r
  49                 currentEncode.processID = Main.getCliProcess(before);\r
  50                 currentEncode.isEncoding = true;\r
  51                 currentEncode.currentQuery = query;\r
  52                 currentEncode.processHandle = (int)currentEncode.hbProcProcess.MainWindowHandle; // Set the process Handle\r
  53 \r
  54                 // Set the process Priority\r
  55                 Process hbCliProcess = null;\r
  56                 if (currentEncode.processID != -1)\r
  57                     hbCliProcess = Process.GetProcessById(currentEncode.processID);\r
  58 \r
  59                 if (hbCliProcess != null)\r
  60                     switch (Properties.Settings.Default.processPriority)\r
  61                     {\r
  62                         case "Realtime":\r
  63                             hbCliProcess.PriorityClass = ProcessPriorityClass.RealTime;\r
  64                             break;\r
  65                         case "High":\r
  66                             hbCliProcess.PriorityClass = ProcessPriorityClass.High;\r
  67                             break;\r
  68                         case "Above Normal":\r
  69                             hbCliProcess.PriorityClass = ProcessPriorityClass.AboveNormal;\r
  70                             break;\r
  71                         case "Normal":\r
  72                             hbCliProcess.PriorityClass = ProcessPriorityClass.Normal;\r
  73                             break;\r
  74                         case "Low":\r
  75                             hbCliProcess.PriorityClass = ProcessPriorityClass.Idle;\r
  76                             break;\r
  77                         default:\r
  78                             hbCliProcess.PriorityClass = ProcessPriorityClass.BelowNormal;\r
  79                             break;\r
  80                     }\r
  81             }\r
  82             catch (Exception exc)\r
  83             {\r
  84                 MessageBox.Show("An error occured in runCli()\n Error Information: \n\n" + exc);\r
  85             }\r
  86 \r
  87             return currentEncode;\r
  88         }\r
  89 \r
  90         /// <summary>\r
  91         /// Kill the CLI process\r
  92         /// </summary>\r
  93         public void closeCLI(EncodeProcess ep)\r
  94         {\r
  95             Process[] prs = Process.GetProcesses();\r
  96             foreach (Process process in prs)\r
  97             {\r
  98                 if (process.Id == ep.processID)\r
  99                 {\r
 100                     process.Refresh();\r
 101                     if (!process.HasExited)\r
 102                         process.Kill();\r
 103 \r
 104                     process.WaitForExit();\r
 105                 }\r
 106             } \r
 107         }\r
 108 \r
 109         /// <summary>\r
 110         /// Perform an action after an encode. e.g a shutdown, standby, restart etc.\r
 111         /// </summary>\r
 112         public void afterEncodeAction(EncodeProcess ep)\r
 113         {\r
 114             ep.isEncoding = false;\r
 115             ep.currentQuery = String.Empty;\r
 116             // Do something whent he encode ends.\r
 117             switch (Properties.Settings.Default.CompletionOption)\r
 118             {\r
 119                 case "Shutdown":\r
 120                     Process.Start("Shutdown", "-s -t 60");\r
 121                     break;\r
 122                 case "Log Off":\r
 123                     ExitWindowsEx(0, 0);\r
 124                     break;\r
 125                 case "Suspend":\r
 126                     Application.SetSuspendState(PowerState.Suspend, true, true);\r
 127                     break;\r
 128                 case "Hibernate":\r
 129                     Application.SetSuspendState(PowerState.Hibernate, true, true);\r
 130                     break;\r
 131                 case "Lock System":\r
 132                     LockWorkStation();\r
 133                     break;\r
 134                 case "Quit HandBrake":\r
 135                     Application.Exit();\r
 136                     break;\r
 137                 default:\r
 138                     break;\r
 139             }\r
 140         }\r
 141 \r
 142         /// <summary>\r
 143         /// Append the CLI query to the start of the log file.\r
 144         /// </summary>\r
 145         /// <param name="query"></param>\r
 146         public void addCLIQueryToLog(string query)\r
 147         {\r
 148             string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
 149             string logPath = Path.Combine(logDir, "last_encode_log.txt");\r
 150 \r
 151             StreamReader reader = new StreamReader(File.Open(logPath, FileMode.Open, FileAccess.Read));\r
 152             String log = reader.ReadToEnd();\r
 153             reader.Close();\r
 154 \r
 155             StreamWriter writer = new StreamWriter(File.Create(logPath));\r
 156 \r
 157             writer.Write("### CLI Query: " + query + "\n\n");\r
 158             writer.Write("#########################################\n\n");\r
 159             writer.WriteLine(log);\r
 160             writer.Flush();\r
 161             writer.Close();\r
 162         }\r
 163 \r
 164         /// <summary>\r
 165         /// Save a copy of the log to the users desired location or a default location\r
 166         /// if this feature is enabled in options.\r
 167         /// </summary>\r
 168         /// <param name="destination"></param>\r
 169         public void copyLog(string destination)\r
 170         {\r
 171             try\r
 172             {\r
 173                 string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
 174                 string tempLogFile = Path.Combine(logDir, "last_encode_log.txt");\r
 175 \r
 176                 string encodeDestinationPath = Path.GetDirectoryName(destination);\r
 177                 String[] destName = destination.Split('\\');\r
 178                 string destinationFile = destName[destName.Length - 1];\r
 179                 string encodeLogFile = DateTime.Now.ToString().Replace("/", "-").Replace(":", "-") + " " + destinationFile + ".txt";\r
 180 \r
 181                 // Make sure the log directory exists.\r
 182                 if (!Directory.Exists(logDir))\r
 183                     Directory.CreateDirectory(logDir);\r
 184 \r
 185                 // Copy the Log to HandBrakes log folder in the users applciation data folder.\r
 186                 File.Copy(tempLogFile, Path.Combine(logDir, encodeLogFile));\r
 187 \r
 188                 // Save a copy of the log file in the same location as the enocde.\r
 189                 if (Properties.Settings.Default.saveLogWithVideo == "Checked")\r
 190                     File.Copy(tempLogFile, Path.Combine(encodeDestinationPath, encodeLogFile));\r
 191 \r
 192                 // Save a copy of the log file to a user specified location\r
 193                 if (Directory.Exists(Properties.Settings.Default.saveLogPath))\r
 194                     if (Properties.Settings.Default.saveLogPath != String.Empty && Properties.Settings.Default.saveLogToSpecifiedPath == "Checked")\r
 195                         File.Copy(tempLogFile, Path.Combine(Properties.Settings.Default.saveLogPath, encodeLogFile));\r
 196             }\r
 197             catch (Exception exc)\r
 198             {\r
 199                 MessageBox.Show("Something went a bit wrong trying to copy your log file.\nError Information:\n\n" + exc, "Error",\r
 200                                 MessageBoxButtons.OK, MessageBoxIcon.Error);\r
 201             }\r
 202         }\r
 203 \r
 204     }\r
 205 }