summaryrefslogtreecommitdiffstats
path: root/win/C#/Functions/Common.cs
blob: 7b702c489cbc45fe2dfa525ea4f2ee930f784d93 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
/*  Common.cs $
 	
 	   This file is part of the HandBrake source code.
 	   Homepage: <http://handbrake.fr>.
 	   It may be used under the terms of the GNU General Public License. */

using System;
using System.Collections;
using System.Text;
using System.Windows.Forms;
using System.Globalization;
using System.IO;
using System.Drawing;
using System.Diagnostics;
using System.Text.RegularExpressions;

namespace Handbrake.Functions
{
    class Common
    {

        /// <summary>
        /// This function takes in a Query which has been parsed by QueryParser and
        /// set's all the GUI widgets correctly.
        /// </summary>
        /// <param name="mainWindow"></param>
        /// <param name="presetQuery">The Parsed CLI Query</param>
        /// <param name="name">Name of the preset</param>
        public void presetLoader(frmMain mainWindow, Functions.QueryParser presetQuery, string name)
        {
            // ---------------------------
            // Setup the GUI
            // ---------------------------

            // Source tab
            #region source
            // Reset some vaules to stock first to prevent errors.
            mainWindow.check_iPodAtom.CheckState = CheckState.Unchecked;

            // Now load all the new settings onto the main window
            mainWindow.drp_dvdtitle.Text = "Automatic";
            mainWindow.drop_chapterStart.Text = "Auto";
            mainWindow.drop_chapterFinish.Text = "Auto";

            if (presetQuery.Format != null)
            {
                string destination = mainWindow.text_destination.Text;
                destination = destination.Replace(".mp4", "." + presetQuery.Format);
                destination = destination.Replace(".m4v", "." + presetQuery.Format);
                destination = destination.Replace(".avi", "." + presetQuery.Format);
                destination = destination.Replace(".mkv", "." + presetQuery.Format);
                destination = destination.Replace(".ogm", "." + presetQuery.Format);
                mainWindow.text_destination.Text = destination;
            }

            #endregion

            // Destination tab
            #region destination

            mainWindow.drp_videoEncoder.Text = presetQuery.VideoEncoder;

            if (presetQuery.Format != null)
            {
                if (presetQuery.Format == "mp4")
                    mainWindow.drop_format.SelectedIndex = 0;
                else if (presetQuery.Format == "m4v")
                    mainWindow.drop_format.SelectedIndex = 1;
                else if (presetQuery.Format == "mkv")
                    mainWindow.drop_format.SelectedIndex = 2;
                else if (presetQuery.Format == "avi")
                    mainWindow.drop_format.SelectedIndex = 3;
                else if (presetQuery.Format == "ogm")
                    mainWindow.drop_format.SelectedIndex = 4;
            }

            if (presetQuery.IpodAtom == true)
                mainWindow.check_iPodAtom.CheckState = CheckState.Checked;
            else
                mainWindow.check_iPodAtom.CheckState = CheckState.Unchecked;

            if (presetQuery.OptimizeMP4 == true)
                mainWindow.check_optimiseMP4.CheckState = CheckState.Checked;
            else
                mainWindow.check_optimiseMP4.CheckState = CheckState.Unchecked;

            #endregion

            // Picture Settings Tab
            #region Picture
            mainWindow.check_autoCrop.Checked = true;
            mainWindow.drp_deInterlace_option.Text = presetQuery.DeInterlace;
            mainWindow.drp_deNoise.Text = presetQuery.DeNoise;

            if (presetQuery.Decomb == true)
                mainWindow.check_decomb.CheckState = CheckState.Checked;
            else
                mainWindow.check_decomb.CheckState = CheckState.Unchecked;

            if (presetQuery.DeTelecine == true)
                mainWindow.check_detelecine.CheckState = CheckState.Checked;
            else
                mainWindow.check_detelecine.CheckState = CheckState.Unchecked;

            if (presetQuery.DeBlock != 0)
            {
                mainWindow.slider_deblock.Value = presetQuery.DeBlock;
                mainWindow.lbl_deblockVal.Text = presetQuery.DeBlock.ToString();
            }
            else
            {
                mainWindow.slider_deblock.Value = 4;
                mainWindow.lbl_deblockVal.Text = "Off";
            }

            if (presetQuery.Anamorphic == true)
                mainWindow.drp_anamorphic.SelectedIndex = 1;
            else
                mainWindow.drp_anamorphic.SelectedIndex = 0;

            if (presetQuery.LooseAnamorphic == true)
                mainWindow.drp_anamorphic.SelectedIndex = 2;
            else
            {
                if (presetQuery.Anamorphic != true)
                    mainWindow.drp_anamorphic.SelectedIndex = 0;
            }

            if (presetQuery.Width != 0)
                mainWindow.text_width.Text = presetQuery.Width.ToString();
            else
            {
                mainWindow.text_width.Text = "";
            }

            if (presetQuery.Height != 0)
                mainWindow.text_height.Text = presetQuery.Height.ToString();
            else
            {
                mainWindow.text_height.Text = "";
            }

            #endregion

            // Video Settings Tab
            #region video
            mainWindow.text_bitrate.Text = presetQuery.AverageVideoBitrate;
            mainWindow.text_filesize.Text = presetQuery.VideoTargetSize;
            mainWindow.slider_videoQuality.Value = presetQuery.VideoQuality;
            if (mainWindow.slider_videoQuality.Value != 0)
            {
                int ql = presetQuery.VideoQuality;
                mainWindow.SliderValue.Text = ql.ToString() + "%";
            }

            if (presetQuery.TwoPass == true)
                mainWindow.check_2PassEncode.CheckState = CheckState.Checked;
            else
                mainWindow.check_2PassEncode.CheckState = CheckState.Unchecked;

            if (presetQuery.Grayscale == true)
                mainWindow.check_grayscale.CheckState = CheckState.Checked;
            else
                mainWindow.check_grayscale.CheckState = CheckState.Unchecked;

            mainWindow.drp_videoFramerate.Text = presetQuery.VideoFramerate;

            if (presetQuery.TurboFirstPass == true)
                mainWindow.check_turbo.CheckState = CheckState.Checked;
            else
                mainWindow.check_turbo.CheckState = CheckState.Unchecked;

            if (presetQuery.LargeMP4 == true)
                mainWindow.check_largeFile.CheckState = CheckState.Checked;
            else
            {
                mainWindow.check_largeFile.CheckState = CheckState.Unchecked;
                mainWindow.check_largeFile.BackColor = Color.Transparent;
            }
            #endregion

            // Chapter Markers Tab
            #region Chapter Markers

            if (presetQuery.ChapterMarkers == true)
            {
                mainWindow.Check_ChapterMarkers.CheckState = CheckState.Checked;
                mainWindow.drop_format.SelectedIndex = 1;
            }
            else
                mainWindow.Check_ChapterMarkers.CheckState = CheckState.Unchecked;

            #endregion

            // Audio Settings Tab
            #region Audio

            // Handle Track 1
            mainWindow.drp_track1Audio.Text = "Automatic";

            // Handle Track 2
            if (presetQuery.AudioEncoder2 != null)  // Fix for loading in built in presets. Where 2 encoders but no tracks in the preset.
            {
                mainWindow.drp_track2Audio.Enabled = true;
                mainWindow.drp_audsr_2.Enabled = true;
                mainWindow.drp_audmix_2.Enabled = true;
                mainWindow.drp_audenc_2.Enabled = true;
                mainWindow.drp_audbit_2.Enabled = true;
                mainWindow.drp_audsr_2.Text = "48";
                mainWindow.drp_track2Audio.Text = "Automatic";
            }
            else if (presetQuery.AudioTrack2 == "None")
            {
                mainWindow.drp_track2Audio.Text = "None";
                mainWindow.drp_track2Audio.SelectedIndex = 0;
                mainWindow.drp_audsr_2.Enabled = false;
                mainWindow.drp_audmix_2.Enabled = false;
                mainWindow.drp_audenc_2.Enabled = false;
                mainWindow.drp_audbit_2.Enabled = false;
            }
            else
            {
                mainWindow.drp_track2Audio.Text = presetQuery.AudioTrack2;
                mainWindow.drp_audsr_2.Enabled = true;
                mainWindow.drp_audmix_2.Enabled = true;
                mainWindow.drp_audenc_2.Enabled = true;
                mainWindow.drp_audbit_2.Enabled = true;
            }

            // Handle Track 3
            if (presetQuery.AudioTrack3 == "None")
            {
                mainWindow.drp_track3Audio.SelectedIndex = 0;
                mainWindow.drp_audsr_3.Enabled = false;
                mainWindow.drp_audmix_3.Enabled = false;
                mainWindow.drp_audenc_3.Enabled = false;
                mainWindow.drp_audbit_3.Enabled = false;
                mainWindow.trackBar3.Enabled = false;

                mainWindow.drp_track3Audio.Text = "None";
                mainWindow.drp_audsr_3.Text = "";
                mainWindow.drp_audmix_3.Text = "Automatic";
                mainWindow.drp_audenc_3.Text = "";
                mainWindow.drp_audbit_3.Text = "";
                mainWindow.trackBar3.Value = 0;

            }
            else
            {
                mainWindow.drp_track3Audio.Text = presetQuery.AudioTrack3;
                mainWindow.drp_audsr_3.Enabled = true;
                mainWindow.drp_audmix_3.Enabled = true;
                mainWindow.drp_audenc_3.Enabled = true;
                mainWindow.drp_audbit_3.Enabled = true;
                mainWindow.trackBar3.Enabled = true;
            }

            // Handle Track 4
            if (presetQuery.AudioTrack4 == "None")
            {
                mainWindow.drp_track4Audio.SelectedIndex = 0;
                mainWindow.drp_audsr_4.Enabled = false;
                mainWindow.drp_audmix_4.Enabled = false;
                mainWindow.drp_audenc_4.Enabled = false;
                mainWindow.drp_audbit_4.Enabled = false;
                mainWindow.trackBar4.Enabled = false;

                mainWindow.drp_track4Audio.Text = "None";
                mainWindow.drp_audsr_4.Text = "";
                mainWindow.drp_audmix_4.Text = "Automatic";
                mainWindow.drp_audenc_4.Text = "";
                mainWindow.drp_audbit_4.Text = "";
                mainWindow.trackBar4.Value = 0;
            }
            else
            {
                mainWindow.drp_track4Audio.Text = presetQuery.AudioTrack4;
                mainWindow.drp_audsr_4.Enabled = true;
                mainWindow.drp_audmix_4.Enabled = true;
                mainWindow.drp_audenc_4.Enabled = true;
                mainWindow.drp_audbit_4.Enabled = true;
                mainWindow.trackBar4.Enabled = true;
            }

            // Now lets start setting stuff
            if (presetQuery.AudioEncoder1 != null)
                mainWindow.drp_audenc_1.Text = presetQuery.AudioEncoder1;
            mainWindow.drp_audenc_2.Text = presetQuery.AudioEncoder2;
            mainWindow.drp_audenc_3.Text = presetQuery.AudioEncoder3;
            mainWindow.drp_audenc_4.Text = presetQuery.AudioEncoder4;

            if (presetQuery.AudioBitrate1 != null)
                mainWindow.drp_audbit_1.Text = presetQuery.AudioBitrate1;
            mainWindow.drp_audbit_2.Text = presetQuery.AudioBitrate2;
            mainWindow.drp_audbit_3.Text = presetQuery.AudioBitrate4;
            mainWindow.drp_audbit_3.Text = presetQuery.AudioBitrate4;

            if (presetQuery.AudioSamplerate1 != null)
                mainWindow.drp_audsr_1.Text = presetQuery.AudioSamplerate1;
            mainWindow.drp_audsr_2.Text = presetQuery.AudioSamplerate2;
            mainWindow.drp_audsr_3.Text = presetQuery.AudioSamplerate3;
            mainWindow.drp_audsr_4.Text = presetQuery.AudioSamplerate4;

            mainWindow.drp_audmix_1.Text = presetQuery.AudioTrackMix1;
            mainWindow.drp_audmix_2.Text = presetQuery.AudioTrackMix2;
            mainWindow.drp_audmix_3.Text = presetQuery.AudioTrackMix3;
            mainWindow.drp_audmix_4.Text = presetQuery.AudioTrackMix4;


            // Dynamic Range Compression (Should be a float but we use double for ease)
            double value = 0;
            double actualValue = 0;

            value = presetQuery.DRC1;
            if (value > 0)
                value = value - 10;
            mainWindow.trackBar1.Value = int.Parse(value.ToString());
            actualValue = presetQuery.DRC1 / 10;
            mainWindow.lbl_drc1.Text = actualValue.ToString();

            value = presetQuery.DRC2;
            if (value > 0)
                value = value - 10;
            mainWindow.trackBar2.Value = int.Parse(value.ToString());
            actualValue = presetQuery.DRC2 / 10;
            mainWindow.lbl_drc2.Text = actualValue.ToString();

            value = presetQuery.DRC3;
            if (value > 0)
                value = value - 10;
            mainWindow.trackBar3.Value = int.Parse(value.ToString());
            actualValue = presetQuery.DRC3 / 10;
            mainWindow.lbl_drc3.Text = actualValue.ToString();

            value = presetQuery.DRC4;
            if (value > 0)
                value = value - 10;
            mainWindow.trackBar4.Value = int.Parse(value.ToString());
            actualValue = presetQuery.DRC4 / 10;
            mainWindow.lbl_drc4.Text = actualValue.ToString();


            // Subtitle Stuff
            mainWindow.drp_subtitle.Text = presetQuery.Subtitles;

            if (presetQuery.ForcedSubtitles == true)
            {
                mainWindow.check_forced.CheckState = CheckState.Checked;
                mainWindow.check_forced.Enabled = true;
            }
            else
                mainWindow.check_forced.CheckState = CheckState.Unchecked;


            #endregion

            // H264 Tab & Preset Name
            #region other
            mainWindow.rtf_x264Query.Text = presetQuery.H264Query;

            // Set the preset name
            mainWindow.groupBox_output.Text = "Output Settings (Preset: " + name + ")";
            #endregion
        }

        /// <summary>
        /// Select the longest title in the DVD title dropdown menu on frmMain
        /// </summary>
        public void selectLongestTitle(frmMain mainWindow)
        {
            int current_largest = 0;
            Handbrake.Parsing.Title title2Select;

            // Check if there are titles in the DVD title dropdown menu and make sure, it's not just "Automatic"
            if (mainWindow.drp_dvdtitle.Items[0].ToString() != "Automatic")
                title2Select = (Handbrake.Parsing.Title)mainWindow.drp_dvdtitle.Items[0];
            else
                title2Select = null;

            // So, If there are titles in the DVD Title dropdown menu, lets select the longest.
            if (title2Select != null)
            {
                foreach (Handbrake.Parsing.Title x in mainWindow.drp_dvdtitle.Items)
                {
                    string title = x.ToString();
                    if (title != "Automatic")
                    {
                        string[] y = title.Split(' ');
                        string time = y[1].Replace("(", "").Replace(")", "");
                        string[] z = time.Split(':');

                        int hours = int.Parse(z[0]) * 60 * 60;
                        int minutes = int.Parse(z[1]) * 60;
                        int seconds = int.Parse(z[2]);
                        int total_sec = hours + minutes + seconds;

                        if (current_largest == 0)
                        {
                            current_largest = hours + minutes + seconds;
                            title2Select = x;
                        }
                        else
                        {
                            if (total_sec > current_largest)
                            {
                                current_largest = total_sec;
                                title2Select = x;
                            }
                        }
                    }
                }

                // Now set the longest title in the gui.
                mainWindow.drp_dvdtitle.SelectedItem = title2Select;
            }
        }

        /// <summary>
        /// Set's up the DataGridView on the Chapters tab (frmMain)
        /// </summary>
        /// <param name="mainWindow"></param>
        public void chapterNaming(frmMain mainWindow)
        {
            try
            {
                mainWindow.data_chpt.Rows.Clear();
                int i = 0;
                int rowCount = 0;
                int start = 0;
                int finish = 0;
                if (mainWindow.drop_chapterFinish.Text != "Auto")
                    finish = int.Parse(mainWindow.drop_chapterFinish.Text);

                if (mainWindow.drop_chapterStart.Text != "Auto")
                    start = int.Parse(mainWindow.drop_chapterStart.Text);

                rowCount = finish - (start - 1);

                while (i < rowCount)
                {
                    DataGridViewRow row = new DataGridViewRow();

                    mainWindow.data_chpt.Rows.Insert(i, row);
                    mainWindow.data_chpt.Rows[i].Cells[0].Value = (i + 1);
                    mainWindow.data_chpt.Rows[i].Cells[1].Value = "Chapter " + (i + 1);
                    i++;
                }
            }
            catch (Exception exc)
            {
                MessageBox.Show("chapterNaming() Error has occured: \n" + exc.ToString());
            }
        }

        /// <summary>
        /// Function which generates the filename and path automatically based on 
        /// the Source Name, DVD title and DVD Chapters
        /// </summary>
        /// <param name="mainWindow"></param>
        public void autoName(frmMain mainWindow)
        {
            if (Properties.Settings.Default.autoNaming == "Checked")
            {
                if (mainWindow.drp_dvdtitle.Text != "Automatic")
                {
                    // Todo: This code is a tad messy. Clean it up at some point.
                    // Get the Source Name
                    string source = mainWindow.text_source.Text;
                    string[] sourceName = source.Split('\\');
                    source = sourceName[sourceName.Length - 1].Replace(".iso", "").Replace(".mpg", "").Replace(".ts", "").Replace(".ps", "");

                    // Get the Selected Title Number
                    string title = mainWindow.drp_dvdtitle.Text;
                    string[] titlesplit = title.Split(' ');
                    title = titlesplit[0];

                    // Get the Chapter Start and Chapter End Numbers
                    string cs = mainWindow.drop_chapterStart.Text;
                    string cf = mainWindow.drop_chapterFinish.Text;

                    // Just incase the above are set to their default Automatic values, set the varible to ""
                    if (title == "Automatic")
                        title = "";
                    if (cs == "Auto")
                        cs = "";
                    if (cf == "Auto")
                        cf = "";

                    // If both CS and CF are populated, set the dash varible
                    string dash = "";
                    if (cf != "Auto")
                        dash = "-";

                    // Get the destination filename.
                    string destination_filename = "";
                    if (Properties.Settings.Default.autoNameFormat != "")
                    {
                        destination_filename = Properties.Settings.Default.autoNameFormat;
                        destination_filename = destination_filename.Replace("{source}", source).Replace("{title}", title).Replace("{chapters}", cs + dash + cf);
                    }
                    else
                        destination_filename = source + "_T" + title + "_C" + cs + dash + cf;

                    // If the text box is blank
                    if (!mainWindow.text_destination.Text.Contains("\\"))
                    {
                        string filePath = "";
                        if (Properties.Settings.Default.autoNamePath.Trim() != "")
                        {
                            if (Properties.Settings.Default.autoNamePath.Trim() != "Click 'Browse' to set the default location")
                                filePath = Properties.Settings.Default.autoNamePath + "\\";
                        }

                        if (mainWindow.drop_format.SelectedIndex == 0)
                            mainWindow.text_destination.Text = filePath + destination_filename + ".mp4";
                        else if (mainWindow.drop_format.SelectedIndex == 1)
                            mainWindow.text_destination.Text = filePath + destination_filename + ".m4v";
                        else if (mainWindow.drop_format.SelectedIndex == 2)
                            mainWindow.text_destination.Text = filePath + destination_filename + ".mkv";
                        else if (mainWindow.drop_format.SelectedIndex == 3)
                            mainWindow.text_destination.Text = filePath + destination_filename + ".avi";
                        else if (mainWindow.drop_format.SelectedIndex == 4)
                            mainWindow.text_destination.Text = filePath + destination_filename + ".ogm";
                    }
                    else // If the text box already has a path and file
                    {
                        string dest = mainWindow.text_destination.Text;
                        string[] destName = dest.Split('\\');
                        string[] extension = dest.Split('.');
                        string ext = extension[extension.Length - 1];

                        destName[destName.Length - 1] = destination_filename + "." + ext;

                        string fullDest = "";
                        foreach (string part in destName)
                        {
                            if (fullDest != "")
                                fullDest = fullDest + "\\" + part;
                            else
                                fullDest = fullDest + part;
                        }

                        mainWindow.text_destination.Text = fullDest;
                    }
                }
            }
        }

        /// <summary>
        /// Checks for updates and returns true if an update is available.
        /// </summary>
        /// <param name="debug">Turns on debug mode. Don't use on program startup</param>
        /// <returns>Boolean True = Update available</returns>
        public Boolean updateCheck(Boolean debug)
        {
            try
            {
                Functions.AppcastReader rssRead = new Functions.AppcastReader();
                rssRead.getInfo(); // Initializes the class.
                string build = rssRead.build();

                int latest = int.Parse(build);
                int current = Properties.Settings.Default.hb_build;
                int skip = Properties.Settings.Default.skipversion;

                if (latest == skip)
                    return false;
                else
                {
                    Boolean update = (latest > current);
                    return update;
                }
            }
            catch (Exception exc)
            {
                if (debug == true)
                    MessageBox.Show("Unable to check for updates, Please try again later. \n" + exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }
        }

        /// <summary>
        /// Get's HandBrakes version data from the CLI.
        /// </summary>
        /// <returns>Arraylist of Version Data. 0 = hb_version 1 = hb_build</returns>
        public ArrayList getCliVersionData()
        {
            ArrayList cliVersionData = new ArrayList();
            // 0 = SVN Build / Version
            // 1 = Build Date

            Process cliProcess = new Process();
            ProcessStartInfo handBrakeCLI = new ProcessStartInfo("HandBrakeCLI.exe", " -u");
            handBrakeCLI.UseShellExecute = false;
            handBrakeCLI.RedirectStandardError = true;
            handBrakeCLI.RedirectStandardOutput = true;
            handBrakeCLI.CreateNoWindow = true;
            cliProcess.StartInfo = handBrakeCLI;
            cliProcess.Start();

            // Retrieve standard output and report back to parent thread until the process is complete
            String line;
            TextReader stdOutput = cliProcess.StandardError;

            while (!cliProcess.HasExited)
            {
                line = stdOutput.ReadLine();
                Match m = Regex.Match(line, @"HandBrake [0-9\.]*svn[0-9]*[M]* \([0-9]*\)");
                if (m.Success != false)
                {
                    string data = line.Replace("(", "").Replace(")", "").Replace("HandBrake ", "");
                    string[] arr = data.Split(' ');
                    cliVersionData.Add(arr[0]);
                    cliVersionData.Add(arr[1]);
                    return cliVersionData;
                }
            }
            return null;
        }

        /// <summary>
        /// Check if the queue recovery file contains records.
        /// If it does, it means the last queue did not complete before HandBrake closed.
        /// So, return a boolean if true. 
        /// </summary>
        public Boolean check_queue_recovery()
        {
            try
            {
                string tempPath = Path.Combine(Path.GetTempPath(), "hb_queue_recovery.dat");
                using (StreamReader reader = new StreamReader(tempPath))
                {
                    string queue_item = reader.ReadLine();
                    if (queue_item == null)
                    {
                        reader.Close();
                        reader.Dispose();
                        return false;
                    }
                    else // There exists an item in the recovery queue file, so try and recovr it.
                    {
                        reader.Close();
                        reader.Dispose();
                        return true;
                    }
                }
            }
            catch (Exception)
            {
                // Keep quiet about the error.
                return false;
            }
        }

    }
}