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") ? "Auto" : track.Bitrate;\r
 121                 newTrack.Cells[6].Value = track.DRC;\r
 122                 AddTrackForPreset(newTrack);\r
 123             }\r
 124         }\r
 125 \r
 126         /// <summary>\r
 127         /// Set the Track list dropdown from the parsed title captured during the scan\r
 128         /// </summary>\r
 129         /// <param name="selectedTitle">The selected title</param>\r
 130         /// <param name="preset">A preset</param>\r
 131         public void SetTrackList(Title selectedTitle, Preset preset)\r
 132         {\r
 133             if (selectedTitle.AudioTracks.Count == 0)\r
 134             {\r
 135                 audioList.Rows.Clear();\r
 136                 drp_audioTrack.Items.Clear();\r
 137                 drp_audioTrack.Items.Add("None Found");\r
 138                 drp_audioTrack.SelectedIndex = 0;\r
 139                 return;\r
 140             }\r
 141 \r
 142             // The Source Information for the title will have changed, so set all the tracks to Automatic.\r
 143             foreach (DataGridViewRow row in this.audioList.Rows)\r
 144             {\r
 145                 row.Cells[1].Value = "Automatic";\r
 146             }\r
 147 \r
 148             // Setup the Audio track source dropdown with the new audio tracks.\r
 149             drp_audioTrack.Items.Clear();\r
 150             drp_audioTrack.Items.Add("Automatic");\r
 151             drp_audioTrack.Items.AddRange(selectedTitle.AudioTracks.ToArray());\r
 152 \r
 153             // Re-add any audio tracks that the preset has.\r
 154             if (audioList.Rows.Count == 0 && preset != null)\r
 155             {\r
 156                 QueryParser parsed = QueryParser.Parse(preset.Query);\r
 157                 foreach (AudioTrack audioTrack in parsed.AudioInformation)\r
 158                 {\r
 159                     DataGridViewRow newTrack = new DataGridViewRow();\r
 160                     newTrack.CreateCells(audioList);\r
 161                     newTrack.Cells[0].Value = GetNewID().ToString();\r
 162                     newTrack.Cells[1].Value = (audioTrack.Track);\r
 163                     newTrack.Cells[2].Value = (audioTrack.Encoder);\r
 164                     newTrack.Cells[3].Value = (audioTrack.MixDown);\r
 165                     newTrack.Cells[4].Value = (audioTrack.SampleRate);\r
 166                     newTrack.Cells[5].Value = (audioTrack.Bitrate);\r
 167                     newTrack.Cells[6].Value = (audioTrack.DRC);\r
 168                     audioList.Rows.Add(newTrack);\r
 169                 }\r
 170             }\r
 171 \r
 172             // Handle Native Language and "Dub Foreign language audio" and "Use Foreign language audio and Subtitles" Options\r
 173             if (Properties.Settings.Default.NativeLanguage == "Any")\r
 174                 drp_audioTrack.SelectedIndex = drp_audioTrack.Items.Count >= 2 ? 1 : 0;\r
 175             else\r
 176             {\r
 177                 if (Properties.Settings.Default.DubMode > 1) // "Dub Foreign language audio" \r
 178                 {\r
 179                     int i = 0;\r
 180                     foreach (object item in drp_audioTrack.Items)\r
 181                     {\r
 182                         if (item.ToString().Contains(Properties.Settings.Default.NativeLanguage))\r
 183                         {\r
 184                             drp_audioTrack.SelectedIndex = i;\r
 185                             break;\r
 186                         }\r
 187 \r
 188                         i++;\r
 189                     }\r
 190 \r
 191                     if (drp_audioTrack.SelectedItem != null)\r
 192                         foreach (DataGridViewRow item in audioList.Rows)\r
 193                             item.Cells[1].Value = drp_audioTrack.SelectedItem.ToString();\r
 194                     else\r
 195                     {\r
 196                         drp_audioTrack.SelectedIndex = 0;\r
 197                         if (drp_audioTrack.SelectedItem != null)\r
 198                             foreach (DataGridViewRow item in audioList.Rows)\r
 199                                 item.Cells[1].Value = drp_audioTrack.SelectedItem.ToString();\r
 200                     }\r
 201                 }\r
 202                 else\r
 203                     drp_audioTrack.SelectedIndex = drp_audioTrack.Items.Count >= 3 ? 2 : 0;\r
 204                 // "Use Foreign language audio and Subtitles"\r
 205             }\r
 206         }\r
 207 \r
 208         // Control and ListView\r
 209 \r
 210         /// <summary>\r
 211         /// one of the controls has changed. Event handler\r
 212         /// </summary>\r
 213         /// <param name="sender">\r
 214         /// The sender.\r
 215         /// </param>\r
 216         /// <param name="e">\r
 217         /// The e.\r
 218         /// </param>\r
 219         private void controlChanged(object sender, EventArgs e)\r
 220         {\r
 221             Control ctl = (Control)sender;\r
 222 \r
 223             switch (ctl.Name)\r
 224             {\r
 225                 case "drp_audioTrack":\r
 226                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 227                         audioList.SelectedRows[0].Cells[1].Value = drp_audioTrack.Text;\r
 228                     break;\r
 229                 case "drp_audioEncoder":\r
 230                     SetMixDown();\r
 231                     SetBitrate();\r
 232 \r
 233                     // Configure the widgets with values\r
 234                     if (drp_audioEncoder.Text.Contains("AC3") || drp_audioEncoder.Text.Contains("DTS"))\r
 235                     {\r
 236                         drp_audioMix.Enabled =\r
 237                             drp_audioBitrate.Enabled = drp_audioSample.Enabled = tb_drc.Enabled = false;\r
 238                         lbl_bitrate.Enabled =\r
 239                             lbl_drc.Enabled =\r
 240                             lbl_drcHeader.Enabled = lbl_mixdown.Enabled = lbl_sampleRate.Enabled = false;\r
 241                     }\r
 242                     else\r
 243                     {\r
 244                         drp_audioMix.Enabled =\r
 245                             drp_audioBitrate.Enabled = drp_audioSample.Enabled = tb_drc.Enabled = true;\r
 246                         lbl_bitrate.Enabled =\r
 247                             lbl_drc.Enabled =\r
 248                             lbl_drcHeader.Enabled = lbl_mixdown.Enabled = lbl_sampleRate.Enabled = true;\r
 249                     }\r
 250 \r
 251                     // Update an item in the Audio list if required.\r
 252                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 253                         audioList.SelectedRows[0].Cells[2].Value = drp_audioEncoder.Text;\r
 254                     break;\r
 255                 case "drp_audioMix":\r
 256                     SetBitrate();\r
 257 \r
 258                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 259                         audioList.SelectedRows[0].Cells[3].Value = drp_audioMix.Text;\r
 260                     break;\r
 261                 case "drp_audioSample":\r
 262                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 263                         audioList.SelectedRows[0].Cells[4].Value = drp_audioSample.Text;\r
 264                     break;\r
 265                 case "drp_audioBitrate":\r
 266                     // Update an item in the Audio list if required.\r
 267                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 268                         audioList.SelectedRows[0].Cells[5].Value = drp_audioBitrate.Text;\r
 269                     break;\r
 270                 case "tb_drc":\r
 271                     double value;\r
 272                     if (tb_drc.Value == 0) value = 0;\r
 273                     else\r
 274                         value = ((tb_drc.Value - 1) / 10.0) + 1;\r
 275 \r
 276                     lbl_drc.Text = value.ToString();\r
 277 \r
 278                     // Update an item in the Audio list if required.\r
 279                     if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 280                     {\r
 281                         audioList.SelectedRows[0].Cells[6].Value = value.ToString();\r
 282                         audioList.Select();\r
 283                     }\r
 284                     break;\r
 285             }\r
 286 \r
 287             audioList.Select();\r
 288         }\r
 289 \r
 290         /// <summary>\r
 291         /// The Audio List selected index changed event handler\r
 292         /// </summary>\r
 293         /// <param name="sender">\r
 294         /// The sender.\r
 295         /// </param>\r
 296         /// <param name="e">\r
 297         /// The e.\r
 298         /// </param>\r
 299         private void audioList_SelectionChanged(object sender, EventArgs e)\r
 300         {\r
 301             // Set the dropdown controls based on the selected item in the Audio List.\r
 302             if (audioList.Rows.Count != 0 && audioList.SelectedRows.Count != 0)\r
 303             {\r
 304                 drp_audioTrack.SelectedItem = audioList.SelectedRows[0].Cells[1].Value;\r
 305                 drp_audioEncoder.SelectedItem = audioList.SelectedRows[0].Cells[2].Value;\r
 306                 drp_audioMix.SelectedItem = audioList.SelectedRows[0].Cells[3].Value;\r
 307                 drp_audioSample.SelectedItem = audioList.SelectedRows[0].Cells[4].Value;\r
 308                 drp_audioBitrate.SelectedItem = audioList.SelectedRows[0].Cells[5].Value;\r
 309                 double drcValue;\r
 310                 int drcCalculated;\r
 311                 double.TryParse(audioList.SelectedRows[0].Cells[6].Value.ToString(), out drcValue);\r
 312                 if (drcValue != 0)\r
 313                     drcValue = ((drcValue * 10) + 1) - 10;\r
 314                 int.TryParse(drcValue.ToString(), out drcCalculated);\r
 315                 tb_drc.Value = drcCalculated;\r
 316                 lbl_drc.Text = audioList.SelectedRows[0].Cells[6].Value.ToString();\r
 317 \r
 318                 AudioTrackGroup.Text = "Selected Track: " + audioList.SelectedRows[0].Cells[0].Value;\r
 319             }\r
 320             else\r
 321                 AudioTrackGroup.Text = "Selected Track: None (Click \"Add Track\" to add)";\r
 322         }\r
 323 \r
 324         // Track Controls\r
 325 \r
 326         /// <summary>\r
 327         /// The Add Audio Track button event handler\r
 328         /// </summary>\r
 329         /// <param name="sender">\r
 330         /// The sender.\r
 331         /// </param>\r
 332         /// <param name="e">\r
 333         /// The e.\r
 334         /// </param>\r
 335         private void btn_addAudioTrack_Click(object sender, EventArgs e)\r
 336         {\r
 337             if (drp_audioTrack.Text == "None Found")\r
 338             {\r
 339                 MessageBox.Show(\r
 340                     "Your source appears to have no audio tracks that HandBrake supports.",\r
 341                     "Warning",\r
 342                     MessageBoxButtons.OK,\r
 343                     MessageBoxIcon.Warning);\r
 344                 return;\r
 345             }\r
 346 \r
 347             double value = 0;\r
 348             if (tb_drc.Value != 0)\r
 349                 value = ((tb_drc.Value - 1) / 10.0) + 1;\r
 350 \r
 351             // Create a new row for the Audio list based on the currently selected items in the dropdown.\r
 352             DataGridViewRow newTrack = new DataGridViewRow();\r
 353             newTrack.CreateCells(audioList);\r
 354             newTrack.Cells[0].Value = GetNewID().ToString();\r
 355             newTrack.Cells[1].Value = drp_audioTrack.Text;\r
 356             newTrack.Cells[2].Value = drp_audioEncoder.Text;\r
 357             newTrack.Cells[3].Value = drp_audioMix.Text;\r
 358             newTrack.Cells[4].Value = drp_audioSample.Text;\r
 359             newTrack.Cells[5].Value = drp_audioBitrate.Text;\r
 360             newTrack.Cells[6].Value = value.ToString();\r
 361             audioList.Rows.Add(newTrack);\r
 362 \r
 363             // The Audio List has changed to raise the event.\r
 364             if (this.AudioListChanged != null)\r
 365                 this.AudioListChanged(this, new EventArgs());\r
 366 \r
 367             // Select the newly added track and select the control       \r
 368             audioList.ClearSelection();\r
 369             audioList.Rows[audioList.Rows.Count - 1].Selected = true;\r
 370             audioList.Select();\r
 371         }\r
 372 \r
 373         /// <summary>\r
 374         /// The Remove Track button event handler\r
 375         /// </summary>\r
 376         /// <param name="sender">\r
 377         /// The sender.\r
 378         /// </param>\r
 379         /// <param name="e">\r
 380         /// The e.\r
 381         /// </param>\r
 382         private void btn_RemoveAudioTrack_Click(object sender, EventArgs e)\r
 383         {\r
 384             RemoveTrack();\r
 385         }\r
 386 \r
 387         // Audio List Menu\r
 388 \r
 389         /// <summary>\r
 390         /// The Audio List Move Up menu item\r
 391         /// </summary>\r
 392         /// <param name="sender">\r
 393         /// The sender.\r
 394         /// </param>\r
 395         /// <param name="e">\r
 396         /// The e.\r
 397         /// </param>\r
 398         private void audioList_moveup_Click(object sender, EventArgs e)\r
 399         {\r
 400             MoveTrack(true);\r
 401         }\r
 402 \r
 403         /// <summary>\r
 404         /// The audio list move down menu item\r
 405         /// </summary>\r
 406         /// <param name="sender">\r
 407         /// The sender.\r
 408         /// </param>\r
 409         /// <param name="e">\r
 410         /// The e.\r
 411         /// </param>\r
 412         private void audioList_movedown_Click(object sender, EventArgs e)\r
 413         {\r
 414             MoveTrack(false);\r
 415         }\r
 416 \r
 417         /// <summary>\r
 418         /// The audio list remove menu item\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 audioList_remove_Click(object sender, EventArgs e)\r
 427         {\r
 428             RemoveTrack();\r
 429         }\r
 430 \r
 431         // Private Functions\r
 432 \r
 433         /// <summary>\r
 434         /// Add track for preset\r
 435         /// </summary>\r
 436         /// <param name="item">\r
 437         /// The item.\r
 438         /// </param>\r
 439         private void AddTrackForPreset(DataGridViewRow item)\r
 440         {\r
 441             audioList.Rows.Add(item);\r
 442             if (this.AudioListChanged != null)\r
 443                 this.AudioListChanged(this, new EventArgs());\r
 444         }\r
 445 \r
 446         /// <summary>\r
 447         /// Clear the audio list\r
 448         /// </summary>\r
 449         private void ClearAudioList()\r
 450         {\r
 451             audioList.Rows.Clear();\r
 452             if (this.AudioListChanged != null)\r
 453                 this.AudioListChanged(this, new EventArgs());\r
 454         }\r
 455 \r
 456         /// <summary>\r
 457         /// Get a new ID for the next audio track\r
 458         /// </summary>\r
 459         /// <returns>\r
 460         /// an int\r
 461         /// </returns>\r
 462         private int GetNewID()\r
 463         {\r
 464             return audioList.Rows.Count + 1;\r
 465         }\r
 466 \r
 467         /// <summary>\r
 468         /// Remove an audio track from the list\r
 469         /// </summary>\r
 470         private void RemoveTrack()\r
 471         {\r
 472             // Remove the Item and reselect the control if the following conditions are met.\r
 473             if (audioList.SelectedRows.Count != 0)\r
 474             {\r
 475                 // The Audio List is about to change so raise the event.\r
 476                 if (this.AudioListChanged != null)\r
 477                     this.AudioListChanged(this, new EventArgs());\r
 478 \r
 479                 // Record the current selected index.\r
 480                 int currentPosition = audioList.SelectedRows[0].Index;\r
 481 \r
 482                 audioList.Rows.Remove(audioList.SelectedRows[0]);\r
 483 \r
 484                 // Now reslect the correct item and give focus to the audio list.\r
 485                 if (audioList.Rows.Count != 0)\r
 486                 {\r
 487                     audioList.ClearSelection();\r
 488                     if (currentPosition <= (audioList.Rows.Count - 1))\r
 489                         audioList.Rows[currentPosition].Selected = true;\r
 490                     else if (currentPosition > (audioList.Rows.Count - 1))\r
 491                         audioList.Rows[audioList.Rows.Count - 1].Selected = true;\r
 492 \r
 493                     audioList.Select();\r
 494                 }\r
 495                 // Regenerate the ID numers\r
 496                 ReGenerateListIDs();\r
 497             }\r
 498         }\r
 499 \r
 500         /// <summary>\r
 501         /// Move an audio track up or down the audio list\r
 502         /// </summary>\r
 503         /// <param name="up">\r
 504         /// The up.\r
 505         /// </param>\r
 506         private void MoveTrack(bool up)\r
 507         {\r
 508             if (audioList.SelectedRows.Count == 0) return;\r
 509 \r
 510             DataGridViewRow item = audioList.SelectedRows[0];\r
 511             int index = item.Index;\r
 512 \r
 513             if (up) index--;\r
 514             else index++;\r
 515     \r
 516             if (index < audioList.Rows.Count || (audioList.Rows.Count > index && index >= 0))\r
 517             {\r
 518                 audioList.Rows.Remove(item);\r
 519                 audioList.Rows.Insert(index, item);\r
 520                 audioList.ClearSelection();\r
 521                 item.Selected = true;\r
 522             }\r
 523         }\r
 524 \r
 525         /// <summary>\r
 526         /// Regenerate all the audio track id's on the audio list\r
 527         /// </summary>\r
 528         private void ReGenerateListIDs()\r
 529         {\r
 530             int i = 1;\r
 531             foreach (DataGridViewRow item in audioList.Rows)\r
 532             {\r
 533                 item.Cells[0].Value = i.ToString();\r
 534                 i++;\r
 535             }\r
 536         }\r
 537 \r
 538         /// <summary>\r
 539         /// Set the bitrate dropdown\r
 540         /// </summary>\r
 541         private void SetBitrate()\r
 542         {\r
 543             int max = 0;\r
 544             drp_audioBitrate.Items.Remove("Auto");\r
 545             drp_audioBitrate.Items.Remove("192");\r
 546             drp_audioBitrate.Items.Remove("224");\r
 547             drp_audioBitrate.Items.Remove("256");\r
 548             drp_audioBitrate.Items.Remove("320");\r
 549             drp_audioBitrate.Items.Remove("384");\r
 550             drp_audioBitrate.Items.Remove("448");\r
 551             drp_audioBitrate.Items.Remove("768");\r
 552 \r
 553             switch (drp_audioEncoder.Text)\r
 554             {\r
 555                 case "AAC (faac)":\r
 556                     max = drp_audioMix.Text.Contains("6 Channel") ? 768 : 320;\r
 557                     break;\r
 558                 case "MP3 (lame)":\r
 559                     max = 320;\r
 560                     break;\r
 561                 case "Vorbis (vorbis)":\r
 562                     max = 384;\r
 563                     break;\r
 564                 case "AC3 Passthru":\r
 565                     drp_audioBitrate.Items.Add("Auto");\r
 566                     drp_audioBitrate.SelectedItem = "Auto";\r
 567                     drp_audioSample.SelectedItem = "Auto";\r
 568                     break;\r
 569                 case "DTS Passthru":\r
 570                     drp_audioBitrate.Items.Add("Auto");\r
 571                     drp_audioBitrate.SelectedItem = "Auto";\r
 572                     drp_audioSample.SelectedItem = "Auto";\r
 573                     break;\r
 574             }\r
 575 \r
 576             if (max > 160)\r
 577             {\r
 578                 drp_audioBitrate.Items.Add("192");\r
 579                 drp_audioBitrate.Items.Add("224");\r
 580                 drp_audioBitrate.Items.Add("256");\r
 581                 drp_audioBitrate.Items.Add("320");\r
 582             }\r
 583 \r
 584             if (max > 320)\r
 585             {\r
 586                 drp_audioBitrate.Items.Add("384");\r
 587             }\r
 588 \r
 589             if (max == 768)\r
 590             {\r
 591                 drp_audioBitrate.Items.Add("448");\r
 592                 drp_audioBitrate.Items.Add("768");\r
 593             }\r
 594 \r
 595             if (drp_audioBitrate.SelectedItem == null)\r
 596                 drp_audioBitrate.SelectedIndex = drp_audioBitrate.Items.Count - 1;\r
 597         }\r
 598 \r
 599         /// <summary>\r
 600         /// Set the mixdown dropdown\r
 601         /// </summary>\r
 602         private void SetMixDown()\r
 603         {\r
 604             drp_audioMix.Items.Clear();\r
 605             drp_audioMix.Items.Add("Mono");\r
 606             drp_audioMix.Items.Add("Stereo");\r
 607             drp_audioMix.Items.Add("Dolby Surround");\r
 608             drp_audioMix.Items.Add("Dolby Pro Logic II");\r
 609             drp_audioMix.Items.Add("6 Channel Discrete");\r
 610             drp_audioMix.Items.Add("AC3 Passthru");\r
 611             drp_audioMix.Items.Add("DTS Passthru");\r
 612 \r
 613             drp_audioMix.SelectedItem = "Dolby Pro Logic II";\r
 614 \r
 615             switch (drp_audioEncoder.Text)\r
 616             {\r
 617                 case "AAC (faac)":\r
 618                     drp_audioMix.Items.Remove("AC3 Passthru");\r
 619                     drp_audioMix.Items.Remove("DTS Passthru");\r
 620                     break;\r
 621                 case "MP3 (lame)":\r
 622                     drp_audioMix.Items.Remove("6 Channel Discrete");\r
 623                     drp_audioMix.Items.Remove("AC3 Passthru");\r
 624                     drp_audioMix.Items.Remove("DTS Passthru");\r
 625                     break;\r
 626                 case "Vorbis (vorbis)":\r
 627                     drp_audioMix.Items.Remove("AC3 Passthru");\r
 628                     drp_audioMix.Items.Remove("DTS Passthru");\r
 629                     break;\r
 630                 case "AC3 Passthru":\r
 631                     drp_audioMix.SelectedItem = "AC3 Passthru";\r
 632                     break;\r
 633                 case "DTS Passthru":\r
 634                     drp_audioMix.SelectedItem = "DTS Passthru";\r
 635                     break;\r
 636             }\r
 637         }\r
 638     }\r
 639 }