win/C#/Controls/AudioPanel.cs

   1 /*  AudioPanel.cs $\r
   2     This file is part of the HandBrake source code.\r
   3     Homepage: <http://handbrake.fr>.\r
   4     It may be used under the terms of the GNU General Public License. */\r
   5 \r
   6 namespace Handbrake.Controls\r
   7 {\r
   8     using System;\r
   9     using System.Collections;\r
  10     using System.Linq;\r
  11     using System.Windows.Forms;\r
  12     using Functions;\r
  13 \r
  14     using HandBrake.ApplicationServices.Parsing;\r
  15 \r
  16     using Presets;\r
  17     using AudioTrack = Model.AudioTrack;\r
  18 \r
  19     /// <summary>\r
  20     /// The AudioPanel Control\r
  21     /// </summary>\r
  22     public partial class AudioPanel : UserControl\r
  23     {\r
  24         /// <summary>\r
  25         /// Initializes a new instance of the <see cref="AudioPanel"/> class. \r
  26         /// Create a new instance of the Audio Panel\r
  27         /// </summary>\r
  28         public AudioPanel()\r
  29         {\r
  30             InitializeComponent();\r
  31             drp_audioMix.SelectedItem = "Dolby Pro Logic II";\r
  32             drp_audioSample.SelectedIndex = 1;\r
  33         }\r
  34 \r
  35         /// <summary>\r
  36         /// The audio list has changed\r
  37         /// </summary>\r
  38         public event EventHandler AudioListChanged;\r
  39 \r
  40         /// <summary>\r
  41         /// Get the audio panel\r
  42         /// </summary>\r
  43         /// <returns>A listview containing the audio tracks</returns>\r
  44         public DataGridView GetAudioPanel()\r
  45         {\r
  46             return audioList;\r
  47         }\r
  48 \r
  49         /// <summary>\r
  50         /// Set the File Container. This funciton is used to limit the available options for each file container.\r
  51         /// </summary>\r
  52         /// <param name="path">\r
  53         /// the file path\r
  54         /// </param>\r
  55         public void SetContainer(string path)\r
  56         {\r
  57             string oldval = drp_audioEncoder.Text;\r
  58             if ((path.Contains("MP4")) || (path.Contains("M4V")))\r
  59             {\r
  60                 drp_audioEncoder.Items.Clear();\r
  61                 drp_audioEncoder.Items.Add("AAC (faac)");\r
  62                 drp_audioEncoder.Items.Add("MP3 (lame)");\r
  63                 drp_audioEncoder.Items.Add("AC3 Passthru");\r
  64                 if ((oldval != "AAC (faac)") && (oldval != "AC3 Passthru"))\r
  65                     drp_audioEncoder.SelectedIndex = 0;\r
  66                 else\r
  67                     drp_audioEncoder.SelectedItem = oldval;\r
  68             }\r
  69             else if (path.Contains("MKV"))\r
  70             {\r
  71                 drp_audioEncoder.Items.Clear();\r
  72                 drp_audioEncoder.Items.Add("AAC (faac)");\r
  73                 drp_audioEncoder.Items.Add("MP3 (lame)");\r
  74                 drp_audioEncoder.Items.Add("AC3 Passthru");\r
  75                 drp_audioEncoder.Items.Add("DTS Passthru");\r
  76                 drp_audioEncoder.Items.Add("Vorbis (vorbis)");\r
  77                 drp_audioEncoder.SelectedItem = oldval;\r
  78 \r
  79                 if (drp_audioEncoder.Text == string.Empty)\r
  80                     drp_audioEncoder.SelectedIndex = 0;\r
  81             }\r
  82 \r
  83             // Make sure the table is updated with new audio codecs\r
  84             foreach (DataGridViewRow row in audioList.Rows)\r
  85             {\r
  86                 if (!drp_audioEncoder.Items.Contains(row.Cells[2].Value))\r
  87                     row.Cells[2].Value = drp_audioEncoder.Items[0].ToString();\r
  88             }\r
  89         }\r
  90 \r
  91         /// <summary>\r
  92         /// Checks if the settings used required the .m4v (rather than .mp4) extension\r
  93         /// </summary>\r
  94         /// <returns>True if m4v is required</returns>\r
  95         public bool RequiresM4V()\r
  96         {\r
  97             return this.audioList.Rows.Cast<DataGridViewRow>().Any(row => row.Cells[2].Value.ToString().Contains("AC3"));\r
  98         }\r
  99 \r
 100         /// <summary>\r
 101         /// Load an arraylist of AudioTrack items into the list.\r
 102         /// </summary>\r
 103         /// <param name="audioTracks">List of audio tracks</param>\r
 104         public void LoadTracks(ArrayList audioTracks)\r
 105         {\r
 106             ClearAudioList();\r
 107 \r
 108             if (audioTracks == null)\r
 109                 return;\r
 110 \r
 111             foreach (AudioTrack track in audioTracks)\r
 112             {\r
 113                 DataGridViewRow newTrack = new DataGridViewRow();\r
 114                 newTrack.CreateCells(audioList);\r
 115                 newTrack.Cells[0].Value = GetNewID().ToString();\r
 116                 newTrack.Cells[1].Value = "Automatic";\r
 117                 newTrack.Cells[2].Value = track.Encoder;\r
 118                 newTrack.Cells[3].Value = track.MixDown;\r
 119                 newTrack.Cells[4].Value = track.SampleRate;\r
 120                 newTrack.Cells[5].Value = track.Encoder.Contains("AC3") || track.Encoder.Contains("DTS") ? "Auto" : track.Bitrate;\r
 121                 newTrack.Cells[6].Value = track.DRC;\r
 122                 AddTrackForPreset(newTrack);\r
 123             }\r
 124 \r
 125             this.AutomaticTrackSelection();\r
 126         }\r
 127 \r
 128         /// <summary>\r
 129         /// Set the Track list dropdown from the parsed title captured during the scan\r
 130         /// </summary>\r
 131         /// <param name="selectedTitle">The selected title</param>\r
 132         /// <param name="preset">A preset</param>\r
 133         public void SetTrackListFromPreset(Title selectedTitle, Preset preset)\r
 134         {\r
 135             if (selectedTitle.AudioTracks.Count == 0)\r
 136             {\r
 137                 audioList.Rows.Clear();\r
 138                 drp_audioTrack.Items.Clear();\r
 139                 drp_audioTrack.Items.Add("None Found");\r
 140                 drp_audioTrack.SelectedIndex = 0;\r
 141                 return;\r
 142             }\r
 143 \r
 144             // Setup the Audio track source dropdown with the new audio tracks.\r
 145             drp_audioTrack.Items.Clear();\r
 146             drp_audioTrack.Items.AddRange(selectedTitle.AudioTracks.ToArray());\r
 147 \r
 148             // Reset the Audio Track Selection to the first audio track of the source, or Audiomatic if that fails\r
 149             foreach (DataGridViewRow row in this.audioList.Rows)\r
 150             {\r
 151                 row.Cells[1].Value = "Automatic";\r
 152             }\r
 153 \r
 154             // Add any tracks the preset has, if there is a preset and no audio tracks in the list currently\r
 155             if (audioList.Rows.Count == 0 && preset != null)\r
 156             {\r
 157                 QueryParser parsed = QueryParser.Parse(preset.Query);\r
 158                 foreach (AudioTrack audioTrack in parsed.AudioInformation)\r
 159                 {\r
 160                     DataGridViewRow newTrack = new DataGridViewRow();\r
 161                     newTrack.CreateCells(audioList);\r
 162                     newTrack.Cells[0].Value = GetNewID().ToString();\r
 163                     newTrack.Cells[1].Value = (audioTrack.Track);\r
 164                     newTrack.Cells[2].Value = (audioTrack.Encoder);\r
 165                     newTrack.Cells[3].Value = (audioTrack.MixDown);\r
 166                     newTrack.Cells[4].Value = (audioTrack.SampleRate);\r
 167                     newTrack.Cells[5].Value = (audioTrack.Bitrate);\r
 168                     newTrack.Cells[6].Value = (audioTrack.DRC);\r
 169                     audioList.Rows.Add(newTrack);\r
 170                 }\r
 171             }\r
 172 \r
 173             this.AutomaticTrackSelection();\r
 174         }\r
 175 \r
 176         private void AutomaticTrackSelection()\r
 177         {\r
 178             // Handle Native Language and "Dub Foreign language audio" and "Use Foreign language audio and Subtitles" Options\r
 179             if (Properties.Settings.Default.NativeLanguage == "Any")\r
 180             {\r
 181                 drp_audioTrack.SelectedIndex = 0;\r
 182                 foreach (DataGridViewRow item in audioList.Rows)\r
 183                 {\r
 184                     if (this.drp_audioTrack.SelectedItem != null)\r
 185                     {\r
 186                         item.Cells[1].Value = this.drp_audioTrack.SelectedItem.ToString();\r
 187                     }\r
 188                 }\r
 189             }\r
 190             else\r
 191             {\r
 192                 int mode = Properties.Settings.Default.DubMode;\r
 193                 switch (mode)\r
 194                 {\r
 195                     case 1:\r
 196                     case 3:\r
 197                         // Dub Foreign Language Audio \r
 198                         // Select the prefered language audio, or the first track if it doesn't exist.\r
 199                         int i = 0;\r
 200                         foreach (object item in drp_audioTrack.Items)\r
 201                         {\r
 202                             if (item.ToString().Contains(Properties.Settings.Default.NativeLanguage))\r
 203                             {\r
 204                                 drp_audioTrack.SelectedIndex = i;\r
 205                                 break;\r
 206                             }\r
 207 \r
 208                             i++;\r
 209                         }\r
 210 \r
 211                         if (drp_audioTrack.SelectedItem != null)\r
 212                             foreach (DataGridViewRow item in audioList.Rows)\r
 213                                 item.Cells[1].Value = drp_audioTrack.SelectedItem.ToString();\r
 214                         else\r
 215                         {\r
 216                             drp_audioTrack.SelectedIndex = 0;\r
 217                             if (drp_audioTrack.SelectedItem != null)\r
 218                                 foreach (DataGridViewRow item in audioList.Rows)\r
 219                                     item.Cells[1].Value = drp_audioTrack.SelectedItem.ToString();\r
 220                         }\r
 221 \r
 222                         break;\r
 223                     case 2:\r
 224                     default:\r
 225                         // Select the first track which is hopefully the default and foreign track.\r
 226                         drp_audioTrack.SelectedIndex = 0;\r
 227 \r
 228                         if (drp_audioTrack.SelectedItem != null)\r
 229                             foreach (DataGridViewRow item in audioList.Rows)\r
 230                                 item.Cells[1].Value = drp_audioTrack.SelectedItem.ToString();\r
 231                         break;\r
 232                 }\r
 233             }\r
 234         }\r
 235 \r
 236         // Control and ListView\r
 237 \r
 238         /// <summary>\r
 239         /// one of the controls has changed. Event handler\r
 240         /// </summary>\r
 241         /// <param name="sender">\r
 242         /// The sender.\r
 243         /// </param>\r
 244         /// <param name="e">\r
 245         /// The e.\r
 246         /// </param>\r
 247         private void controlChanged(object sender, EventArgs e)\r
 248         {\r
 249             Control ctl = (Control)sender;\r
 250 \r
 251             switch (ctl.Name)\r
 252             {\r
 253                 case "drp_audioTrack":\r
 254                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 255                     {\r
 256                         audioList.SelectedRows[0].Cells[1].Value = drp_audioTrack.Text;\r
 257 \r
 258                         // If the track isn't AC3, and the encoder is, change it.\r
 259                         if (audioList.SelectedRows[0].Cells[2].Value.ToString().Contains("AC3") && !audioList.SelectedRows[0].Cells[1].Value.ToString().Contains("AC3"))\r
 260                         {\r
 261                             // Switch to AAC\r
 262                             drp_audioEncoder.SelectedIndex = 0;\r
 263                         }\r
 264 \r
 265                         // If the track isn't DTS, and the encoder is, change it.\r
 266                         if (audioList.SelectedRows[0].Cells[2].Value.ToString().Contains("DTS") && !audioList.SelectedRows[0].Cells[1].Value.ToString().Contains("DTS"))\r
 267                         {\r
 268                             // Switch to AAC\r
 269                             drp_audioEncoder.SelectedIndex = 0;\r
 270                         }\r
 271                     }\r
 272                     break;\r
 273                 case "drp_audioEncoder":\r
 274                     SetMixDown();\r
 275                     SetBitrate();\r
 276 \r
 277                     // Configure the widgets with values\r
 278                     if (drp_audioEncoder.Text.Contains("AC3") || drp_audioEncoder.Text.Contains("DTS"))\r
 279                     {\r
 280                         drp_audioMix.Enabled =\r
 281                             drp_audioBitrate.Enabled = drp_audioSample.Enabled = tb_drc.Enabled = false;\r
 282                         lbl_bitrate.Enabled =\r
 283                             lbl_drc.Enabled =\r
 284                             lbl_drcHeader.Enabled = lbl_mixdown.Enabled = lbl_sampleRate.Enabled = false;\r
 285                     }\r
 286                     else\r
 287                     {\r
 288                         drp_audioMix.Enabled =\r
 289                             drp_audioBitrate.Enabled = drp_audioSample.Enabled = tb_drc.Enabled = true;\r
 290                         lbl_bitrate.Enabled =\r
 291                             lbl_drc.Enabled =\r
 292                             lbl_drcHeader.Enabled = lbl_mixdown.Enabled = lbl_sampleRate.Enabled = true;\r
 293                     }\r
 294 \r
 295                     // Update an item in the Audio list if required.\r
 296                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 297                         audioList.SelectedRows[0].Cells[2].Value = drp_audioEncoder.Text;\r
 298                     break;\r
 299                 case "drp_audioMix":\r
 300                     SetBitrate();\r
 301 \r
 302                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 303                         audioList.SelectedRows[0].Cells[3].Value = drp_audioMix.Text;\r
 304                     break;\r
 305                 case "drp_audioSample":\r
 306                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 307                         audioList.SelectedRows[0].Cells[4].Value = drp_audioSample.Text;\r
 308                     break;\r
 309                 case "drp_audioBitrate":\r
 310                     // Update an item in the Audio list if required.\r
 311                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 312                         audioList.SelectedRows[0].Cells[5].Value = drp_audioBitrate.Text;\r
 313                     break;\r
 314                 case "tb_drc":\r
 315                     double value;\r
 316                     if (tb_drc.Value == 0) value = 0;\r
 317                     else\r
 318                         value = ((tb_drc.Value - 1) / 10.0) + 1;\r
 319 \r
 320                     lbl_drc.Text = value.ToString();\r
 321 \r
 322                     // Update an item in the Audio list if required.\r
 323                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 324                     {\r
 325                         audioList.SelectedRows[0].Cells[6].Value = value.ToString();\r
 326                         audioList.Select();\r
 327                     }\r
 328                     break;\r
 329             }\r
 330 \r
 331             audioList.Select();\r
 332         }\r
 333 \r
 334         /// <summary>\r
 335         /// The Audio List selected index changed event handler\r
 336         /// </summary>\r
 337         /// <param name="sender">\r
 338         /// The sender.\r
 339         /// </param>\r
 340         /// <param name="e">\r
 341         /// The e.\r
 342         /// </param>\r
 343         private void audioList_SelectionChanged(object sender, EventArgs e)\r
 344         {\r
 345             // Set the dropdown controls based on the selected item in the Audio List.\r
 346             if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 347             {\r
 348                 drp_audioTrack.SelectedItem = audioList.SelectedRows[0].Cells[1].Value;\r
 349                 drp_audioEncoder.SelectedItem = audioList.SelectedRows[0].Cells[2].Value;\r
 350                 drp_audioMix.SelectedItem = audioList.SelectedRows[0].Cells[3].Value;\r
 351                 drp_audioSample.SelectedItem = audioList.SelectedRows[0].Cells[4].Value;\r
 352                 drp_audioBitrate.SelectedItem = audioList.SelectedRows[0].Cells[5].Value;\r
 353                 double drcValue;\r
 354                 int drcCalculated;\r
 355                 double.TryParse(audioList.SelectedRows[0].Cells[6].Value.ToString(), out drcValue);\r
 356                 if (drcValue != 0)\r
 357                     drcValue = ((drcValue * 10) + 1) - 10;\r
 358                 int.TryParse(drcValue.ToString(), out drcCalculated);\r
 359                 tb_drc.Value = drcCalculated;\r
 360                 lbl_drc.Text = audioList.SelectedRows[0].Cells[6].Value.ToString();\r
 361 \r
 362                 AudioTrackGroup.Text = "Selected Track: " + audioList.SelectedRows[0].Cells[0].Value;\r
 363             }\r
 364             else\r
 365                 AudioTrackGroup.Text = "Selected Track: None (Click \"Add Track\" to add)";\r
 366         }\r
 367 \r
 368         // Track Controls\r
 369 \r
 370         /// <summary>\r
 371         /// The Add Audio Track button event handler\r
 372         /// </summary>\r
 373         /// <param name="sender">\r
 374         /// The sender.\r
 375         /// </param>\r
 376         /// <param name="e">\r
 377         /// The e.\r
 378         /// </param>\r
 379         private void btn_addAudioTrack_Click(object sender, EventArgs e)\r
 380         {\r
 381             if (drp_audioTrack.Text == "None Found")\r
 382             {\r
 383                 MessageBox.Show(\r
 384                     "Your source appears to have no audio tracks that HandBrake supports.",\r
 385                     "Warning",\r
 386                     MessageBoxButtons.OK,\r
 387                     MessageBoxIcon.Warning);\r
 388                 return;\r
 389             }\r
 390 \r
 391             double value = 0;\r
 392             if (tb_drc.Value != 0)\r
 393                 value = ((tb_drc.Value - 1) / 10.0) + 1;\r
 394 \r
 395             // Create a new row for the Audio list based on the currently selected items in the dropdown.\r
 396             DataGridViewRow newTrack = new DataGridViewRow();\r
 397             newTrack.CreateCells(audioList);\r
 398             newTrack.Cells[0].Value = GetNewID().ToString();\r
 399             newTrack.Cells[1].Value = drp_audioTrack.Text;\r
 400             newTrack.Cells[2].Value = drp_audioEncoder.Text;\r
 401             newTrack.Cells[3].Value = drp_audioMix.Text;\r
 402             newTrack.Cells[4].Value = drp_audioSample.Text;\r
 403             newTrack.Cells[5].Value = drp_audioBitrate.Text;\r
 404             newTrack.Cells[6].Value = value.ToString();\r
 405             audioList.Rows.Add(newTrack);\r
 406 \r
 407             // The Audio List has changed to raise the event.\r
 408             if (this.AudioListChanged != null)\r
 409                 this.AudioListChanged(this, new EventArgs());\r
 410 \r
 411             // Select the newly added track and select the control       \r
 412             audioList.ClearSelection();\r
 413             audioList.Rows[audioList.Rows.Count - 1].Selected = true;\r
 414             audioList.Select();\r
 415         }\r
 416 \r
 417         /// <summary>\r
 418         /// The Remove Track button event handler\r
 419         /// </summary>\r
 420         /// <param name="sender">\r
 421         /// The sender.\r
 422         /// </param>\r
 423         /// <param name="e">\r
 424         /// The e.\r
 425         /// </param>\r
 426         private void btn_RemoveAudioTrack_Click(object sender, EventArgs e)\r
 427         {\r
 428             RemoveTrack();\r
 429         }\r
 430 \r
 431         // Audio List Menu\r
 432 \r
 433         /// <summary>\r
 434         /// The Audio List Move Up menu item\r
 435         /// </summary>\r
 436         /// <param name="sender">\r
 437         /// The sender.\r
 438         /// </param>\r
 439         /// <param name="e">\r
 440         /// The e.\r
 441         /// </param>\r
 442         private void audioList_moveup_Click(object sender, EventArgs e)\r
 443         {\r
 444             MoveTrack(true);\r
 445         }\r
 446 \r
 447         /// <summary>\r
 448         /// The audio list move down menu item\r
 449         /// </summary>\r
 450         /// <param name="sender">\r
 451         /// The sender.\r
 452         /// </param>\r
 453         /// <param name="e">\r
 454         /// The e.\r
 455         /// </param>\r
 456         private void audioList_movedown_Click(object sender, EventArgs e)\r
 457         {\r
 458             MoveTrack(false);\r
 459         }\r
 460 \r
 461         /// <summary>\r
 462         /// The audio list remove menu item\r
 463         /// </summary>\r
 464         /// <param name="sender">\r
 465         /// The sender.\r
 466         /// </param>\r
 467         /// <param name="e">\r
 468         /// The e.\r
 469         /// </param>\r
 470         private void audioList_remove_Click(object sender, EventArgs e)\r
 471         {\r
 472             RemoveTrack();\r
 473         }\r
 474 \r
 475         // Private Functions\r
 476 \r
 477         /// <summary>\r
 478         /// Add track for preset\r
 479         /// </summary>\r
 480         /// <param name="item">\r
 481         /// The item.\r
 482         /// </param>\r
 483         private void AddTrackForPreset(DataGridViewRow item)\r
 484         {\r
 485             audioList.Rows.Add(item);\r
 486             if (this.AudioListChanged != null)\r
 487                 this.AudioListChanged(this, new EventArgs());\r
 488         }\r
 489 \r
 490         /// <summary>\r
 491         /// Clear the audio list\r
 492         /// </summary>\r
 493         private void ClearAudioList()\r
 494         {\r
 495             audioList.Rows.Clear();\r
 496             if (this.AudioListChanged != null)\r
 497                 this.AudioListChanged(this, new EventArgs());\r
 498         }\r
 499 \r
 500         /// <summary>\r
 501         /// Get a new ID for the next audio track\r
 502         /// </summary>\r
 503         /// <returns>\r
 504         /// an int\r
 505         /// </returns>\r
 506         private int GetNewID()\r
 507         {\r
 508             return audioList.Rows.Count + 1;\r
 509         }\r
 510 \r
 511         /// <summary>\r
 512         /// Remove an audio track from the list\r
 513         /// </summary>\r
 514         private void RemoveTrack()\r
 515         {\r
 516             // Remove the Item and reselect the control if the following conditions are met.\r
 517             if (audioList.SelectedRows.Count != 0)\r
 518             {\r
 519                 // The Audio List is about to change so raise the event.\r
 520                 if (this.AudioListChanged != null)\r
 521                     this.AudioListChanged(this, new EventArgs());\r
 522 \r
 523                 // Record the current selected index.\r
 524                 int currentPosition = audioList.SelectedRows[0].Index;\r
 525 \r
 526                 audioList.Rows.Remove(audioList.SelectedRows[0]);\r
 527 \r
 528                 // Now reslect the correct item and give focus to the audio list.\r
 529                 if (audioList.Rows.Count != 0)\r
 530                 {\r
 531                     audioList.ClearSelection();\r
 532                     if (currentPosition <= (audioList.Rows.Count - 1))\r
 533                         audioList.Rows[currentPosition].Selected = true;\r
 534                     else if (currentPosition > (audioList.Rows.Count - 1))\r
 535                         audioList.Rows[audioList.Rows.Count - 1].Selected = true;\r
 536 \r
 537                     audioList.Select();\r
 538                 }\r
 539                 // Regenerate the ID numers\r
 540                 ReGenerateListIDs();\r
 541             }\r
 542         }\r
 543 \r
 544         /// <summary>\r
 545         /// Move an audio track up or down the audio list\r
 546         /// </summary>\r
 547         /// <param name="up">\r
 548         /// The up.\r
 549         /// </param>\r
 550         private void MoveTrack(bool up)\r
 551         {\r
 552             if (audioList.SelectedRows.Count == 0) return;\r
 553 \r
 554             DataGridViewRow item = audioList.SelectedRows[0];\r
 555             int index = item.Index;\r
 556 \r
 557             if (up) index--;\r
 558             else index++;\r
 559 \r
 560             if (index < audioList.Rows.Count || (audioList.Rows.Count > index && index >= 0))\r
 561             {\r
 562                 audioList.Rows.Remove(item);\r
 563                 audioList.Rows.Insert(index, item);\r
 564                 audioList.ClearSelection();\r
 565                 item.Selected = true;\r
 566             }\r
 567         }\r
 568 \r
 569         /// <summary>\r
 570         /// Regenerate all the audio track id's on the audio list\r
 571         /// </summary>\r
 572         private void ReGenerateListIDs()\r
 573         {\r
 574             int i = 1;\r
 575             foreach (DataGridViewRow item in audioList.Rows)\r
 576             {\r
 577                 item.Cells[0].Value = i.ToString();\r
 578                 i++;\r
 579             }\r
 580         }\r
 581 \r
 582         /// <summary>\r
 583         /// Set the bitrate dropdown\r
 584         /// </summary>\r
 585         private void SetBitrate()\r
 586         {\r
 587             int max = 0;\r
 588             drp_audioBitrate.Items.Remove("Auto");\r
 589             drp_audioBitrate.Items.Remove("192");\r
 590             drp_audioBitrate.Items.Remove("224");\r
 591             drp_audioBitrate.Items.Remove("256");\r
 592             drp_audioBitrate.Items.Remove("320");\r
 593             drp_audioBitrate.Items.Remove("384");\r
 594             drp_audioBitrate.Items.Remove("448");\r
 595             drp_audioBitrate.Items.Remove("768");\r
 596 \r
 597             switch (drp_audioEncoder.Text)\r
 598             {\r
 599                 case "AAC (faac)":\r
 600                     max = drp_audioMix.Text.Contains("6 Channel") ? 768 : 320;\r
 601                     break;\r
 602                 case "MP3 (lame)":\r
 603                     max = 320;\r
 604                     break;\r
 605                 case "Vorbis (vorbis)":\r
 606                     max = 384;\r
 607                     break;\r
 608                 case "AC3 Passthru":\r
 609                     drp_audioBitrate.Items.Add("Auto");\r
 610                     drp_audioBitrate.SelectedItem = "Auto";\r
 611                     drp_audioSample.SelectedItem = "Auto";\r
 612                     break;\r
 613                 case "DTS Passthru":\r
 614                     drp_audioBitrate.Items.Add("Auto");\r
 615                     drp_audioBitrate.SelectedItem = "Auto";\r
 616                     drp_audioSample.SelectedItem = "Auto";\r
 617                     break;\r
 618             }\r
 619 \r
 620             if (max > 160)\r
 621             {\r
 622                 drp_audioBitrate.Items.Add("192");\r
 623                 drp_audioBitrate.Items.Add("224");\r
 624                 drp_audioBitrate.Items.Add("256");\r
 625                 drp_audioBitrate.Items.Add("320");\r
 626             }\r
 627 \r
 628             if (max > 320)\r
 629             {\r
 630                 drp_audioBitrate.Items.Add("384");\r
 631             }\r
 632 \r
 633             if (max == 768)\r
 634             {\r
 635                 drp_audioBitrate.Items.Add("448");\r
 636                 drp_audioBitrate.Items.Add("768");\r
 637             }\r
 638 \r
 639             if (drp_audioBitrate.SelectedItem == null)\r
 640                 drp_audioBitrate.SelectedIndex = drp_audioBitrate.Items.Count - 1;\r
 641         }\r
 642 \r
 643         /// <summary>\r
 644         /// Set the mixdown dropdown\r
 645         /// </summary>\r
 646         private void SetMixDown()\r
 647         {\r
 648             drp_audioMix.Items.Clear();\r
 649             drp_audioMix.Items.Add("Mono");\r
 650             drp_audioMix.Items.Add("Stereo");\r
 651             drp_audioMix.Items.Add("Dolby Surround");\r
 652             drp_audioMix.Items.Add("Dolby Pro Logic II");\r
 653             drp_audioMix.Items.Add("6 Channel Discrete");\r
 654             drp_audioMix.Items.Add("AC3 Passthru");\r
 655             drp_audioMix.Items.Add("DTS Passthru");\r
 656 \r
 657             drp_audioMix.SelectedItem = "Dolby Pro Logic II";\r
 658 \r
 659             switch (drp_audioEncoder.Text)\r
 660             {\r
 661                 case "AAC (faac)":\r
 662                     drp_audioMix.Items.Remove("AC3 Passthru");\r
 663                     drp_audioMix.Items.Remove("DTS Passthru");\r
 664                     break;\r
 665                 case "MP3 (lame)":\r
 666                     drp_audioMix.Items.Remove("6 Channel Discrete");\r
 667                     drp_audioMix.Items.Remove("AC3 Passthru");\r
 668                     drp_audioMix.Items.Remove("DTS Passthru");\r
 669                     break;\r
 670                 case "Vorbis (vorbis)":\r
 671                     drp_audioMix.Items.Remove("AC3 Passthru");\r
 672                     drp_audioMix.Items.Remove("DTS Passthru");\r
 673                     break;\r
 674                 case "AC3 Passthru":\r
 675                     drp_audioMix.SelectedItem = "AC3 Passthru";\r
 676                     break;\r
 677                 case "DTS Passthru":\r
 678                     drp_audioMix.SelectedItem = "DTS Passthru";\r
 679                     break;\r
 680             }\r
 681         }\r
 682     }\r
 683 }