win/C#/frmPreview.cs

   1 using System;\r
   2 using System.Collections.Generic;\r
   3 using System.ComponentModel;\r
   4 using System.Data;\r
   5 using System.Drawing;\r
   6 using System.Text;\r
   7 using System.Windows.Forms;\r
   8 using System.Threading;\r
   9 using System.Diagnostics;\r
  10 using System.Runtime.InteropServices;\r
  11 \r
  12 using QTOControlLib;\r
  13 using QTOLibrary;\r
  14 \r
  15 namespace Handbrake\r
  16 {\r
  17     public partial class frmPreview : Form\r
  18     {\r
  19 \r
  20         Handbrake.QueryGenerator hb_common_func = new Handbrake.QueryGenerator();\r
  21         Functions.Encode process = new Functions.Encode();\r
  22         private delegate void UpdateUIHandler();\r
  23         String currently_playing = "";\r
  24         frmMain mainWindow;\r
  25         private Process hbProc;\r
  26         private Thread player;\r
  27 \r
  28         public frmPreview(frmMain mw)\r
  29         {\r
  30             InitializeComponent();\r
  31             this.mainWindow = mw;\r
  32             cb_preview.SelectedIndex = 0;\r
  33             cb_duration.SelectedIndex = 1;\r
  34         }\r
  35 \r
  36         private void play()\r
  37         {\r
  38             player = new Thread(OpenMovie);\r
  39             player.IsBackground = true;\r
  40             player.Start();\r
  41         }\r
  42 \r
  43         [STAThread]\r
  44         private void OpenMovie()\r
  45         {\r
  46             try\r
  47             {\r
  48                 if (this.InvokeRequired)\r
  49                 {\r
  50                     this.BeginInvoke(new UpdateUIHandler(OpenMovie));\r
  51                     return;\r
  52                 }\r
  53                 QTControl.URL = currently_playing;\r
  54                 QTControl.Width = QTControl.Movie.Width;\r
  55                 QTControl.Height = QTControl.Movie.Height;\r
  56                 // The initial control size is 64,64. If we do not reload the clip here\r
  57                 // it'll scale the video from 64,64. \r
  58                 // Unsure why as it correctly resizes the control to the movies actual size.\r
  59                 QTControl.URL = currently_playing; \r
  60                 QTControl.SetScale(0);\r
  61                 QTControl.Show();\r
  62 \r
  63                 this.Width = QTControl.Width + 5;\r
  64                 this.Height = QTControl.Height + 90;\r
  65             }\r
  66             catch (COMException ex)\r
  67             {\r
  68                 QTUtils qtu = new QTUtils();\r
  69                 MessageBox.Show("Unable to open movie:\n\nError Code: " + ex.ErrorCode.ToString("X") + "\nQT Error code : " + qtu.QTErrorFromErrorCode(ex.ErrorCode).ToString());\r
  70             }\r
  71             catch (Exception ex)\r
  72             {\r
  73                 MessageBox.Show("Unable to open movie:\n\n" + ex.ToString());\r
  74             }\r
  75         }\r
  76  \r
  77         #region Encode Sample\r
  78         private void btn_encode_Click(object sender, EventArgs e)\r
  79         {\r
  80             btn_encode.Enabled = false;\r
  81             lbl_encode.Text = "Encoding Sample ...";\r
  82             String query = hb_common_func.GeneratePreviewQuery(mainWindow, cb_duration.Text, cb_preview.Text);\r
  83             ThreadPool.QueueUserWorkItem(procMonitor, query);\r
  84         }\r
  85         private void procMonitor(object state)\r
  86         {\r
  87             // Make sure we are not already encoding and if we are then display an error.\r
  88             if (hbProc != null)\r
  89                 MessageBox.Show("Handbrake is already encoding a video!", "Status", MessageBoxButtons.OK, MessageBoxIcon.Warning);\r
  90             else\r
  91             {\r
  92                 hbProc = process.runCli(this, (string)state);\r
  93                 hbProc.WaitForExit();\r
  94                 hbProc = null;\r
  95                 encodeCompleted();\r
  96             }\r
  97         }\r
  98         private void encodeCompleted()\r
  99         {\r
 100             try\r
 101             {\r
 102                 if (this.InvokeRequired)\r
 103                 {\r
 104                     this.BeginInvoke(new UpdateUIHandler(encodeCompleted));\r
 105                     return;\r
 106                 }\r
 107                 btn_encode.Enabled = true;\r
 108                 lbl_encode.Text = "Loading Clip ...";\r
 109 \r
 110                 if (mainWindow.text_destination.Text != "")\r
 111                     currently_playing = mainWindow.text_destination.Text.Replace(".m", "_sample.m").Replace(".avi", "_sample.avi").Replace(".ogm", "_sample.ogm");\r
 112 \r
 113                 play();\r
 114                 lbl_encode.Text = "";\r
 115             }\r
 116             catch (Exception exc)\r
 117             {\r
 118                 MessageBox.Show("frmPreview.cs encodeCompleted " + exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
 119             }\r
 120         }\r
 121         #endregion\r
 122 \r
 123     }\r
 124 }