macosx/HBAdvancedController.m

   1 /* HBAdvancedController
   2
   3     This file is part of the HandBrake source code.
   4     Homepage: <http://handbrake.fr/>.
   5     It may be used under the terms of the GNU General Public License. */
   6
   7 #import "HBAdvancedController.h"
   8
   9 @implementation HBAdvancedController
  10
  11 - (id)init
  12 {
  13     [super init];
  14     [self loadMyNibFile];
  15
  16     return self;
  17 }
  18
  19 - (void) setView: (NSBox *) box
  20 {
  21     fOptionsBox = box;
  22     [fOptionsBox setContentView:fX264optView];
  23 }
  24
  25 - (BOOL) loadMyNibFile
  26 {
  27     if(![NSBundle loadNibNamed:@"AdvancedView" owner:self])
  28     {
  29         NSLog(@"Warning! Could not load myNib file.\n");
  30         return NO;
  31     }
  32
  33     return YES;
  34 }
  35
  36 - (NSString *) optionsString
  37 {
  38     return [fDisplayX264Options stringValue];
  39 }
  40
  41 - (void) setOptions: (NSString *)string
  42 {
  43     [fDisplayX264Options setStringValue:string];
  44     [self X264AdvancedOptionsSet:nil];
  45 }
  46
  47 - (void) setHidden: (BOOL) hide
  48 {
  49     if(hide)
  50     {
  51         [fOptionsBox setContentView:fEmptyView];
  52         [fX264optViewTitleLabel setStringValue: @"Only Used With The x264 (H.264) Codec"];
  53     }
  54     else
  55     {
  56         [fOptionsBox setContentView:fX264optView];
  57         [fX264optViewTitleLabel setStringValue: @""];
  58     }
  59     return;
  60 }
  61
  62  - (void) enableUI: (bool) b
  63 {
  64     unsigned i;
  65     NSControl * controls[] =
  66       { fX264optViewTitleLabel,fDisplayX264Options,fDisplayX264OptionsLabel,fX264optBframesLabel,
  67         fX264optBframesPopUp,fX264optRefLabel,fX264optRefPopUp,fX264optNfpskipLabel,fX264optNfpskipSwitch,
  68         fX264optNodctdcmtLabel,fX264optNodctdcmtSwitch,fX264optSubmeLabel,fX264optSubmePopUp,
  69         fX264optTrellisLabel,fX264optTrellisPopUp,fX264optMixedRefsLabel,fX264optMixedRefsSwitch,
  70         fX264optMotionEstLabel,fX264optMotionEstPopUp,fX264optMERangeLabel,fX264optMERangePopUp,
  71         fX264optWeightBLabel,fX264optWeightBSwitch, fX264optBPyramidLabel,fX264optBPyramidSwitch,
  72         fX264optDirectPredLabel,fX264optDirectPredPopUp,fX264optDeblockLabel,fX264optAnalyseLabel,
  73         fX264optAnalysePopUp,fX264opt8x8dctLabel,fX264opt8x8dctSwitch,fX264optCabacLabel,fX264optCabacSwitch,
  74         fX264optAlphaDeblockPopUp,fX264optBetaDeblockPopUp};
  75
  76     for( i = 0; i < sizeof( controls ) / sizeof( NSControl * ); i++ )
  77     {
  78         if( [[controls[i] className] isEqualToString: @"NSTextField"] )
  79         {
  80             NSTextField * tf = (NSTextField *) controls[i];
  81             if( ![tf isBezeled] )
  82             {
  83                 [tf setTextColor: b ? [NSColor controlTextColor] :
  84                     [NSColor disabledControlTextColor]];
  85                 continue;
  86             }
  87         }
  88         [controls[i] setEnabled: b];
  89
  90     }
  91
  92     [fX264optView setWantsLayer:YES];
  93 }
  94
  95 - (void)dealloc
  96 {
  97     [super dealloc];
  98 }
  99
 100 /**
 101  * Populates the option widgets
 102  */
 103 - (IBAction) X264AdvancedOptionsSet: (id) sender
 104 {
 105     /*Set opt widget values here*/
 106
 107     /*B-Frames fX264optBframesPopUp*/
 108     int i;
 109     [fX264optBframesPopUp removeAllItems];
 110     [fX264optBframesPopUp addItemWithTitle:@"Default (0)"];
 111     for (i=0; i<17;i++)
 112     {
 113         [fX264optBframesPopUp addItemWithTitle:[NSString stringWithFormat:@"%d",i]];
 114     }
 115
 116     /*Reference Frames fX264optRefPopUp*/
 117     [fX264optRefPopUp removeAllItems];
 118     [fX264optRefPopUp addItemWithTitle:@"Default (1)"];
 119     for (i=0; i<17;i++)
 120     {
 121         [fX264optRefPopUp addItemWithTitle:[NSString stringWithFormat:@"%d",i]];
 122     }
 123
 124     /*No Fast P-Skip fX264optNfpskipSwitch BOOLEAN*/
 125     [fX264optNfpskipSwitch setState:0];
 126
 127     /*No Dict Decimate fX264optNodctdcmtSwitch BOOLEAN*/
 128     [fX264optNodctdcmtSwitch setState:0];
 129
 130     /*Sub Me fX264optSubmePopUp*/
 131     [fX264optSubmePopUp removeAllItems];
 132     [fX264optSubmePopUp addItemWithTitle:@"Default (6)"];
 133     for (i=0; i<10;i++)
 134     {
 135         [fX264optSubmePopUp addItemWithTitle:[NSString stringWithFormat:@"%d",i]];
 136     }
 137
 138     /*Trellis fX264optTrellisPopUp*/
 139     [fX264optTrellisPopUp removeAllItems];
 140     [fX264optTrellisPopUp addItemWithTitle:@"Default (0)"];
 141     for (i=0; i<3;i++)
 142     {
 143         [fX264optTrellisPopUp addItemWithTitle:[NSString stringWithFormat:@"%d",i]];
 144     }
 145     [fX264optTrellisPopUp setWantsLayer:YES];
 146
 147     /*Mixed-references fX264optMixedRefsSwitch BOOLEAN*/
 148     [fX264optMixedRefsSwitch setState:0];
 149     [fX264optMixedRefsSwitch setWantsLayer:YES];
 150
 151     /*Motion Estimation fX264optMotionEstPopUp*/
 152     [fX264optMotionEstPopUp removeAllItems];
 153     [fX264optMotionEstPopUp addItemWithTitle:@"Default (Hexagon)"];
 154     [fX264optMotionEstPopUp addItemWithTitle:@"Diamond"];
 155     [fX264optMotionEstPopUp addItemWithTitle:@"Hexagon"];
 156     [fX264optMotionEstPopUp addItemWithTitle:@"Uneven Multi-Hexagon"];
 157     [fX264optMotionEstPopUp addItemWithTitle:@"Exhaustive"];
 158     [fX264optMotionEstPopUp addItemWithTitle:@"Transformed Exhaustive"];
 159
 160     /*Motion Estimation range fX264optMERangePopUp*/
 161     [fX264optMERangePopUp removeAllItems];
 162     [fX264optMERangePopUp addItemWithTitle:@"Default (16)"];
 163     for (i=4; i<65;i++)
 164     {
 165         [fX264optMERangePopUp addItemWithTitle:[NSString stringWithFormat:@"%d",i]];
 166     }
 167
 168     /*Weighted B-Frame Prediction fX264optWeightBSwitch BOOLEAN*/
 169     [fX264optWeightBSwitch setState:0];
 170     [fX264optWeightBSwitch setWantsLayer:YES];
 171
 172     /*B-frame Pyramids fX264optBPyramidSwitch BOOLEAN*/
 173     [fX264optBPyramidSwitch setState:0];
 174     [fX264optBPyramidSwitch setWantsLayer:YES];
 175
 176     /*Direct B-Frame Prediction Mode fX264optDirectPredPopUp*/
 177     [fX264optDirectPredPopUp removeAllItems];
 178     [fX264optDirectPredPopUp addItemWithTitle:@"Default (Spatial)"];
 179     [fX264optDirectPredPopUp addItemWithTitle:@"None"];
 180     [fX264optDirectPredPopUp addItemWithTitle:@"Spatial"];
 181     [fX264optDirectPredPopUp addItemWithTitle:@"Temporal"];
 182     [fX264optDirectPredPopUp addItemWithTitle:@"Automatic"];
 183     [fX264optDirectPredPopUp setWantsLayer:YES];
 184
 185     /*Alpha Deblock*/
 186     [fX264optAlphaDeblockPopUp removeAllItems];
 187     [fX264optAlphaDeblockPopUp addItemWithTitle:@"Default (0)"];
 188     for (i=-6; i<7;i++)
 189     {
 190         [fX264optAlphaDeblockPopUp addItemWithTitle:[NSString stringWithFormat:@"%d",i]];
 191     }
 192
 193     /*Beta Deblock*/
 194     [fX264optBetaDeblockPopUp removeAllItems];
 195     [fX264optBetaDeblockPopUp addItemWithTitle:@"Default (0)"];
 196     for (i=-6; i<7;i++)
 197     {
 198         [fX264optBetaDeblockPopUp addItemWithTitle:[NSString stringWithFormat:@"%d",i]];
 199     }
 200
 201     /* Analysis fX264optAnalysePopUp */
 202     [fX264optAnalysePopUp removeAllItems];
 203     [fX264optAnalysePopUp addItemWithTitle:@"Default (some)"]; /* 0=default */
 204     [fX264optAnalysePopUp addItemWithTitle:[NSString stringWithFormat:@"None"]]; /* 1=none */
 205     [fX264optAnalysePopUp addItemWithTitle:[NSString stringWithFormat:@"All"]]; /* 2=all */
 206
 207     /* 8x8 DCT fX264op8x8dctSwitch */
 208     [fX264opt8x8dctSwitch setState:0];
 209     [fX264opt8x8dctSwitch setWantsLayer:YES];
 210
 211     /* CABAC fX264opCabacSwitch */
 212     [fX264optCabacSwitch setState:1];
 213
 214     /* Standardize the option string */
 215     [self X264AdvancedOptionsStandardizeOptString:nil];
 216
 217     /* Set Current GUI Settings based on newly standardized string */
 218     [self X264AdvancedOptionsSetCurrentSettings:nil];
 219
 220     /* Fade out options that don't apply */
 221     [self X264AdvancedOptionsAnimate: sender];
 222 }
 223
 224 /**
 225  * Cleans the option string to use a standard format of option=value
 226  */
 227 - (IBAction) X264AdvancedOptionsStandardizeOptString: (id) sender
 228 {
 229     /* Set widgets depending on the opt string in field */
 230     NSString * thisOpt; // The separated option such as "bframes=3"
 231     NSString * optName = @""; // The option name such as "bframes"
 232     NSString * optValue = @"";// The option value such as "3"
 233     NSString * changedOptString = @"";
 234     NSArray *currentOptsArray;
 235
 236     /*First, we get an opt string to process */
 237     NSString *currentOptString = [fDisplayX264Options stringValue];
 238
 239     /* Verify there is an opt string to process by making sure an
 240        option is getting its value set. If so, start to process it. */
 241     NSRange currentOptRange = [currentOptString rangeOfString:@"="];
 242     if (currentOptRange.location != NSNotFound)
 243     {
 244         /*Put individual options into an array based on the ":" separator for processing, result is "<opt>=<value>"*/
 245         currentOptsArray = [currentOptString componentsSeparatedByString:@":"];
 246
 247         /*iterate through the array and get <opts> and <values*/
 248         int loopcounter;
 249         int currentOptsArrayCount = [currentOptsArray count];
 250         for (loopcounter = 0; loopcounter < currentOptsArrayCount; loopcounter++)
 251         {
 252             thisOpt = [currentOptsArray objectAtIndex:loopcounter];
 253
 254             NSRange splitOptRange = [thisOpt rangeOfString:@"="];
 255             if (splitOptRange.location != NSNotFound)
 256             {
 257                 optName = [thisOpt substringToIndex:splitOptRange.location];
 258                 optValue = [thisOpt substringFromIndex:splitOptRange.location + 1];
 259
 260                 /* Standardize the names here depending on whats in the string */
 261                 optName = [self X264AdvancedOptionsStandardizeOptNames:optName];
 262                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,optValue];
 263             }
 264             else // No value given so we use a default of "1"
 265             {
 266                 optName = thisOpt;
 267
 268                 /* Standardize the names here depending on whats in the string */
 269                 optName = [self X264AdvancedOptionsStandardizeOptNames:optName];
 270                 thisOpt = [NSString stringWithFormat:@"%@=%d",optName,1];
 271             }
 272
 273             /* Construct New String for opts here.*/
 274             if ([thisOpt isEqualToString:@""])
 275             {
 276                 /* Blank option, just add it to the string. (Why?) */
 277                 changedOptString = [NSString stringWithFormat:@"%@%@",changedOptString,thisOpt];
 278             }
 279             else
 280             {
 281                 if ([changedOptString isEqualToString:@""])
 282                 {
 283                     /* Blank string, output the current option. */
 284                     changedOptString = [NSString stringWithFormat:@"%@",thisOpt];
 285                 }
 286                 else
 287                 {
 288                     /* Option exists and string exists, so append the option
 289                        to the string with a semi-colon inbetween them.       */
 290                     changedOptString = [NSString stringWithFormat:@"%@:%@",changedOptString,thisOpt];
 291                 }
 292             }
 293         }
 294     }
 295
 296     /* Change the option string to reflect the new standardized option string */
 297     [fDisplayX264Options setStringValue:[NSString stringWithFormat:changedOptString]];
 298 }
 299
 300 /**
 301  * Cleans the option string to use a standard set of option names, by conflating synonyms.
 302  */
 303 - (NSString *) X264AdvancedOptionsStandardizeOptNames:(NSString *) cleanOptNameString
 304 {
 305     /* Reference Frames */
 306     if ([cleanOptNameString isEqualToString:@"ref"] || [cleanOptNameString isEqualToString:@"frameref"])
 307     {
 308         cleanOptNameString = @"ref";
 309     }
 310
 311     /*No Fast PSkip nofast_pskip*/
 312     if ([cleanOptNameString isEqualToString:@"no-fast-pskip"] || [cleanOptNameString isEqualToString:@"no_fast_pskip"] || [cleanOptNameString isEqualToString:@"nofast_pskip"])
 313     {
 314         cleanOptNameString = @"no-fast-pskip";
 315     }
 316
 317     /*No Dict Decimate*/
 318     if ([cleanOptNameString isEqualToString:@"no-dct-decimate"] || [cleanOptNameString isEqualToString:@"no_dct_decimate"] || [cleanOptNameString isEqualToString:@"nodct_decimate"])
 319     {
 320         cleanOptNameString = @"no-dct-decimate";
 321     }
 322
 323     /*Subme*/
 324     if ([cleanOptNameString isEqualToString:@"subme"])
 325     {
 326         cleanOptNameString = @"subq";
 327     }
 328
 329     /*ME Range*/
 330     if ([cleanOptNameString isEqualToString:@"me-range"] || [cleanOptNameString isEqualToString:@"me_range"])
 331         cleanOptNameString = @"merange";
 332
 333     /*WeightB*/
 334     if ([cleanOptNameString isEqualToString:@"weight-b"] || [cleanOptNameString isEqualToString:@"weight_b"])
 335     {
 336         cleanOptNameString = @"weightb";
 337     }
 338
 339     /*B Pyramid*/
 340     if ([cleanOptNameString isEqualToString:@"b_pyramid"])
 341     {
 342         cleanOptNameString = @"b-pyramid";
 343     }
 344
 345     /*Direct Prediction*/
 346     if ([cleanOptNameString isEqualToString:@"direct-pred"] || [cleanOptNameString isEqualToString:@"direct_pred"])
 347     {
 348         cleanOptNameString = @"direct";
 349     }
 350
 351     /*Deblocking*/
 352     if ([cleanOptNameString isEqualToString:@"filter"])
 353     {
 354         cleanOptNameString = @"deblock";
 355     }
 356
 357     /*Analysis*/
 358     if ([cleanOptNameString isEqualToString:@"partitions"])
 359     {
 360         cleanOptNameString = @"analyse";
 361     }
 362
 363     return cleanOptNameString;
 364 }
 365
 366 /**
 367  * Fades options in and out depending on whether they're available..
 368  */
 369 - (IBAction) X264AdvancedOptionsAnimate: (id) sender
 370 {
 371     /* Lots of situations to cover.
 372        - B-frames (when 0 turn of b-frame specific stuff, when < 2 disable b-pyramid)
 373        - CABAC (when 0 turn off trellis)
 374        - analysis (if none, turn off 8x8dct)
 375        - refs (under 2, disable mixed-refs)
 376     */
 377
 378     if ( [fX264optBframesPopUp indexOfSelectedItem ] < 2)
 379     {
 380         /* If the b-frame widget is at 0 or 1, the user has chosen
 381            not to use b-frames at all. So disable the options
 382            that can only be used when b-frames are enabled.        */
 383         [[fX264optWeightBSwitch animator] setHidden:YES];
 384         [[fX264optWeightBLabel animator] setHidden:YES];
 385         if ( [fX264optWeightBSwitch state] == 1 && sender != fX264optWeightBSwitch && sender != fX264optBPyramidSwitch && sender != fX264optDirectPredPopUp)
 386             [fX264optWeightBSwitch performClick:self];
 387
 388         [[fX264optBPyramidSwitch animator] setHidden:YES];
 389         [[fX264optBPyramidLabel animator] setHidden:YES];
 390         if ( [fX264optBPyramidSwitch state] == 1 && sender != fX264optWeightBSwitch && sender != fX264optBPyramidSwitch && sender != fX264optDirectPredPopUp)
 391             [fX264optBPyramidSwitch performClick:self];
 392
 393         [[fX264optDirectPredPopUp animator] setHidden:YES];
 394         [[fX264optDirectPredLabel animator] setHidden:YES];
 395         if ( [fX264optDirectPredPopUp indexOfSelectedItem] > 0 && sender != fX264optWeightBSwitch && sender != fX264optBPyramidSwitch && sender != fX264optDirectPredPopUp)
 396         {
 397             [fX264optDirectPredPopUp selectItemAtIndex: 0];
 398             [[fX264optDirectPredPopUp cell] performClick:self];
 399
 400         }
 401     }
 402     else if ( [fX264optBframesPopUp indexOfSelectedItem ] == 2)
 403     {
 404         /* Only 1 b-frame? Disable b-pyramid. */
 405         [[fX264optBPyramidSwitch animator] setHidden:YES];
 406         [[fX264optBPyramidLabel animator] setHidden:YES];
 407         if ( [fX264optBPyramidSwitch state] == 1 && sender != fX264optBPyramidSwitch)
 408             [fX264optBPyramidSwitch performClick:self];
 409
 410         [[fX264optWeightBSwitch animator] setHidden:NO];
 411         [[fX264optWeightBLabel animator] setHidden:NO];
 412
 413         [[fX264optDirectPredPopUp animator] setHidden:NO];
 414         [[fX264optDirectPredLabel animator] setHidden:NO];
 415     }
 416     else
 417     {
 418         [[fX264optWeightBSwitch animator] setHidden:NO];
 419         [[fX264optWeightBLabel animator] setHidden:NO];
 420
 421         [[fX264optBPyramidSwitch animator] setHidden:NO];
 422         [[fX264optBPyramidLabel animator] setHidden:NO];
 423
 424         [[fX264optDirectPredPopUp animator] setHidden:NO];
 425         [[fX264optDirectPredLabel animator] setHidden:NO];
 426     }
 427
 428     if ( [fX264optCabacSwitch state] == false)
 429     {
 430         /* Without CABAC entropy coding, trellis doesn't run. */
 431
 432         [[fX264optTrellisPopUp animator] setHidden:YES];
 433         [[fX264optTrellisLabel animator] setHidden:YES];
 434         [fX264optTrellisPopUp selectItemAtIndex:0];
 435         if (sender != fX264optTrellisPopUp)
 436             [[fX264optTrellisPopUp cell] performClick:self];
 437     }
 438     else
 439     {
 440         [[fX264optTrellisPopUp animator] setHidden:NO];
 441         [[fX264optTrellisLabel animator] setHidden:NO];
 442     }
 443
 444     if ( [fX264optAnalysePopUp indexOfSelectedItem] == 1)
 445     {
 446         /* No analysis? Disable 8x8dct */
 447         [[fX264opt8x8dctSwitch animator] setHidden:YES];
 448         [[fX264opt8x8dctLabel animator] setHidden:YES];
 449         if ( [fX264opt8x8dctSwitch state] == 1 && sender != fX264opt8x8dctSwitch )
 450             [fX264opt8x8dctSwitch performClick:self];
 451     }
 452     else
 453     {
 454         [[fX264opt8x8dctSwitch animator] setHidden:NO];
 455         [[fX264opt8x8dctLabel animator] setHidden:NO];
 456     }
 457
 458     if ( [fX264optRefPopUp indexOfSelectedItem] < 3)
 459     {
 460         /* Only do mixed-refs when there are at least 2 refs to mix. */
 461         [[fX264optMixedRefsSwitch animator] setHidden:YES];
 462         [[fX264optMixedRefsLabel animator] setHidden:YES];
 463         if ( [fX264optMixedRefsSwitch state] == 1 && sender != fX264optMixedRefsSwitch )
 464             [fX264optMixedRefsSwitch performClick:self];
 465     }
 466     else
 467     {
 468         [[fX264optMixedRefsSwitch animator] setHidden:NO];
 469         [[fX264optMixedRefsLabel animator] setHidden:NO];
 470     }
 471 }
 472
 473 /**
 474  * Resets the GUI widgets to the contents of the option string.
 475  */
 476 - (IBAction) X264AdvancedOptionsSetCurrentSettings: (id) sender
 477 {
 478     /* Set widgets depending on the opt string in field */
 479     NSString * thisOpt; // The separated option such as "bframes=3"
 480     NSString * optName = @""; // The option name such as "bframes"
 481     NSString * optValue = @"";// The option value such as "3"
 482     NSArray *currentOptsArray;
 483
 484     /*First, we get an opt string to process */
 485     NSString *currentOptString = [fDisplayX264Options stringValue];
 486
 487     /* Verify there is an opt string to process by making sure an
 488        option is getting its value set. If so, start to process it. */
 489     NSRange currentOptRange = [currentOptString rangeOfString:@"="];
 490     if (currentOptRange.location != NSNotFound)
 491     {
 492         /*Put individual options into an array based on the ":" separator for processing, result is "<opt>=<value>"*/
 493         currentOptsArray = [currentOptString componentsSeparatedByString:@":"];
 494
 495         /*iterate through the array and get <opts> and <values*/
 496         int loopcounter;
 497         int currentOptsArrayCount = [currentOptsArray count];
 498         for (loopcounter = 0; loopcounter < currentOptsArrayCount; loopcounter++)
 499         {
 500             thisOpt = [currentOptsArray objectAtIndex:loopcounter];
 501
 502             /* Verify the option sets a value */
 503             NSRange splitOptRange = [thisOpt rangeOfString:@"="];
 504             if (splitOptRange.location != NSNotFound)
 505             {
 506                 /* Split thisOpt into an optName setting an optValue. */
 507                 optName = [thisOpt substringToIndex:splitOptRange.location];
 508                 optValue = [thisOpt substringFromIndex:splitOptRange.location + 1];
 509
 510                 /*Run through the available widgets for x264 opts and set them, as you add widgets,
 511                     they need to be added here. This should be moved to its own method probably*/
 512
 513                 /*bframes NSPopUpButton*/
 514                 if ([optName isEqualToString:@"bframes"])
 515                 {
 516                     [fX264optBframesPopUp selectItemAtIndex:[optValue intValue]+1];
 517                 }
 518                 /*ref NSPopUpButton*/
 519                 if ([optName isEqualToString:@"ref"])
 520                 {
 521                     [fX264optRefPopUp selectItemAtIndex:[optValue intValue]+1];
 522                 }
 523                 /*No Fast PSkip NSButton*/
 524                 if ([optName isEqualToString:@"no-fast-pskip"])
 525                 {
 526                     [fX264optNfpskipSwitch setState:[optValue intValue]];
 527                 }
 528                 /*No Dict Decimate NSButton*/
 529                 if ([optName isEqualToString:@"no-dct-decimate"])
 530                 {
 531                     [fX264optNodctdcmtSwitch setState:[optValue intValue]];
 532                 }
 533                 /*Sub Me NSPopUpButton*/
 534                 if ([optName isEqualToString:@"subq"])
 535                 {
 536                     [fX264optSubmePopUp selectItemAtIndex:[optValue intValue]+1];
 537                 }
 538                 /*Trellis NSPopUpButton*/
 539                 if ([optName isEqualToString:@"trellis"])
 540                 {
 541                     [fX264optTrellisPopUp selectItemAtIndex:[optValue intValue]+1];
 542                 }
 543                 /*Mixed Refs NSButton*/
 544                 if ([optName isEqualToString:@"mixed-refs"])
 545                 {
 546                     [fX264optMixedRefsSwitch setState:[optValue intValue]];
 547                 }
 548                 /*Motion Estimation NSPopUpButton*/
 549                 if ([optName isEqualToString:@"me"])
 550                 {
 551                     if ([optValue isEqualToString:@"dia"])
 552                         [fX264optMotionEstPopUp selectItemAtIndex:1];
 553                     else if ([optValue isEqualToString:@"hex"])
 554                         [fX264optMotionEstPopUp selectItemAtIndex:2];
 555                     else if ([optValue isEqualToString:@"umh"])
 556                         [fX264optMotionEstPopUp selectItemAtIndex:3];
 557                     else if ([optValue isEqualToString:@"esa"])
 558                         [fX264optMotionEstPopUp selectItemAtIndex:4];
 559                     else if ([optValue isEqualToString:@"tesa"])
 560                         [fX264optMotionEstPopUp selectItemAtIndex:5];
 561                 }
 562                 /*ME Range NSPopUpButton*/
 563                 if ([optName isEqualToString:@"merange"])
 564                 {
 565                     [fX264optMERangePopUp selectItemAtIndex:[optValue intValue]-3];
 566                 }
 567                 /*Weighted B-Frames NSButton*/
 568                 if ([optName isEqualToString:@"weightb"])
 569                 {
 570                     [fX264optWeightBSwitch setState:[optValue intValue]];
 571                 }
 572                 /*B Pyramid NSPButton*/
 573                 if ([optName isEqualToString:@"b-pyramid"])
 574                 {
 575                     [fX264optBPyramidSwitch setState:[optValue intValue]];
 576                 }
 577                 /*Direct B-frame Prediction NSPopUpButton*/
 578                 if ([optName isEqualToString:@"direct"])
 579                 {
 580                     if ([optValue isEqualToString:@"none"])
 581                         [fX264optDirectPredPopUp selectItemAtIndex:1];
 582                     else if ([optValue isEqualToString:@"spatial"])
 583                         [fX264optDirectPredPopUp selectItemAtIndex:2];
 584                     else if ([optValue isEqualToString:@"temporal"])
 585                         [fX264optDirectPredPopUp selectItemAtIndex:3];
 586                     else if ([optValue isEqualToString:@"auto"])
 587                         [fX264optDirectPredPopUp selectItemAtIndex:4];
 588                 }
 589                 /*Deblocking NSPopUpButtons*/
 590                 if ([optName isEqualToString:@"deblock"])
 591                 {
 592                     NSString * alphaDeblock = @"";
 593                     NSString * betaDeblock = @"";
 594
 595                     NSRange splitDeblock = [optValue rangeOfString:@","];
 596                     alphaDeblock = [optValue substringToIndex:splitDeblock.location];
 597                     betaDeblock = [optValue substringFromIndex:splitDeblock.location + 1];
 598
 599                     if ([alphaDeblock isEqualToString:@"0"] && [betaDeblock isEqualToString:@"0"])
 600                     {
 601                         /* When both filters are at 0, default */
 602                         [fX264optAlphaDeblockPopUp selectItemAtIndex:0];
 603                         [fX264optBetaDeblockPopUp selectItemAtIndex:0];
 604                     }
 605                     else
 606                     {
 607                         if (![alphaDeblock isEqualToString:@"0"])
 608                         {
 609                             /* Alpha isn't 0, so set it. The offset of 7 is
 610                                because filters start at -6 instead of at 0. */
 611                             [fX264optAlphaDeblockPopUp selectItemAtIndex:[alphaDeblock intValue]+7];
 612                         }
 613                         else
 614                         {
 615                             /* Set alpha filter to 0, which is 7 up
 616                                because filters start at -6, not 0. */
 617                             [fX264optAlphaDeblockPopUp selectItemAtIndex:7];
 618                         }
 619
 620                         if (![betaDeblock isEqualToString:@"0"])
 621                         {
 622                             /* Beta isn't 0, so set it. */
 623                             [fX264optBetaDeblockPopUp selectItemAtIndex:[betaDeblock intValue]+7];
 624                         }
 625                         else
 626                         {
 627                             /* Set beta filter to 0. */
 628                             [fX264optBetaDeblockPopUp selectItemAtIndex:7];
 629                         }
 630                     }
 631                 }
 632                 /* Analysis NSPopUpButton */
 633                 if ([optName isEqualToString:@"analyse"])
 634                 {
 635                     if ([optValue isEqualToString:@"p8x8,b8x8,i8x8,i4x4"])
 636                     {
 637                         /* Default ("some") */
 638                         [fX264optAnalysePopUp selectItemAtIndex:0];
 639                     }
 640                     if ([optValue isEqualToString:@"none"])
 641                     {
 642                         [fX264optAnalysePopUp selectItemAtIndex:1];
 643                     }
 644                     if ([optValue isEqualToString:@"all"])
 645                     {
 646                         [fX264optAnalysePopUp selectItemAtIndex:2];
 647                     }
 648                 }
 649                 /* 8x8 DCT NSButton */
 650                 if ([optName isEqualToString:@"8x8dct"])
 651                 {
 652                     [fX264opt8x8dctSwitch setState:[optValue intValue]];
 653                 }
 654                 /* CABAC NSButton */
 655                 if ([optName isEqualToString:@"cabac"])
 656                 {
 657                     [fX264optCabacSwitch setState:[optValue intValue]];
 658                 }
 659             }
 660         }
 661     }
 662 }
 663
 664 /**
 665  * Resets the option string to mirror the GUI widgets.
 666  */
 667 - (IBAction) X264AdvancedOptionsChanged: (id) sender
 668 {
 669     /*Determine which outlet is being used and set optName to process accordingly */
 670     NSString * optNameToChange = @""; // The option name such as "bframes"
 671
 672     if (sender == fX264optBframesPopUp)
 673     {
 674         optNameToChange = @"bframes";
 675     }
 676     if (sender == fX264optRefPopUp)
 677     {
 678         optNameToChange = @"ref";
 679     }
 680     if (sender == fX264optNfpskipSwitch)
 681     {
 682         optNameToChange = @"no-fast-pskip";
 683     }
 684     if (sender == fX264optNodctdcmtSwitch)
 685     {
 686         optNameToChange = @"no-dct-decimate";
 687     }
 688     if (sender == fX264optSubmePopUp)
 689     {
 690         optNameToChange = @"subq";
 691     }
 692     if (sender == fX264optTrellisPopUp)
 693     {
 694         optNameToChange = @"trellis";
 695     }
 696     if (sender == fX264optMixedRefsSwitch)
 697     {
 698         optNameToChange = @"mixed-refs";
 699     }
 700     if (sender == fX264optMotionEstPopUp)
 701     {
 702         optNameToChange = @"me";
 703     }
 704     if (sender == fX264optMERangePopUp)
 705     {
 706         optNameToChange = @"merange";
 707     }
 708     if (sender == fX264optWeightBSwitch)
 709     {
 710         optNameToChange = @"weightb";
 711     }
 712     if (sender == fX264optBPyramidSwitch)
 713     {
 714         optNameToChange = @"b-pyramid";
 715     }
 716     if (sender == fX264optDirectPredPopUp)
 717     {
 718         optNameToChange = @"direct";
 719     }
 720     if (sender == fX264optAlphaDeblockPopUp)
 721     {
 722         optNameToChange = @"deblock";
 723     }
 724     if (sender == fX264optBetaDeblockPopUp)
 725     {
 726         optNameToChange = @"deblock";
 727     }
 728     if (sender == fX264optAnalysePopUp)
 729     {
 730         optNameToChange = @"analyse";
 731     }
 732     if (sender == fX264opt8x8dctSwitch)
 733     {
 734         optNameToChange = @"8x8dct";
 735     }
 736     if (sender == fX264optCabacSwitch)
 737     {
 738         optNameToChange = @"cabac";
 739     }
 740
 741     /* Set widgets depending on the opt string in field */
 742     NSString * thisOpt; // The separated option such as "bframes=3"
 743     NSString * optName = @""; // The option name such as "bframes"
 744     NSString * optValue = @"";// The option value such as "3"
 745     NSArray *currentOptsArray;
 746
 747     /*First, we get an opt string to process */
 748     NSString *currentOptString = [fDisplayX264Options stringValue];
 749
 750     /* There are going to be a few possibilities.
 751        - The option might start off the string.
 752        - The option might be in the middle of the string.
 753        - The option might not be in the string at all yet.
 754        - The string itself might not yet exist.
 755
 756        Because each of these possibilities means constructing a different kind of string,
 757        they're all handled separately in a sea of messy, somewhat redundant code. =(     */
 758
 759     /* If the option is in the string but not the beginning of it, it will be in the form of ":optName=value"
 760        so we really want to be looking for ":optNameToChange=" rather than "optNameToChange".                 */
 761     NSString *checkOptNameToChange = [NSString stringWithFormat:@":%@=",optNameToChange];
 762
 763     /* Now we store the part of the string up through the option name in currentOptRange. */
 764     NSRange currentOptRange = [currentOptString rangeOfString:checkOptNameToChange];
 765
 766     /*  We need to know if the option is at the beginning of the string.
 767         If it is at the start, it won't be preceded by a colon.
 768         To figure this out, we'll use the rangeOfString method. First,
 769         store what the option name would be if if it was at the beginning,
 770         in checkOptNameToChangeBeginning. Then, find its range in the string.
 771         If the range is 0, it's the first option listed in the string.       */
 772     NSString *checkOptNameToChangeBeginning = [NSString stringWithFormat:@"%@=",optNameToChange];
 773     NSRange currentOptRangeBeginning = [currentOptString rangeOfString:checkOptNameToChangeBeginning];
 774
 775     if (currentOptRange.location != NSNotFound || currentOptRangeBeginning.location == 0)
 776     {
 777         /* If the option is in the string wth a semicolon, or starts the string, it's time to edit.
 778            This means parsing the whole string into an array of options and values. From there,
 779            iterate through the options, and when you reach the one that's been changed, edit it.   */
 780
 781         /* Create new empty opt string*/
 782         NSString *changedOptString = @"";
 783
 784         /*Put individual options into an array based on the ":" separator for processing, result is "<opt>=<value>"*/
 785         currentOptsArray = [currentOptString componentsSeparatedByString:@":"];
 786
 787         /*iterate through the array and get <opts> and <values*/
 788         int loopcounter;
 789         int currentOptsArrayCount = [currentOptsArray count];
 790         for (loopcounter = 0; loopcounter < currentOptsArrayCount; loopcounter++)
 791         {
 792             thisOpt = [currentOptsArray objectAtIndex:loopcounter];
 793             NSRange splitOptRange = [thisOpt rangeOfString:@"="];
 794
 795             if (splitOptRange.location != NSNotFound)
 796             {
 797                 /* First off, it's time to handle option strings that
 798                    already have at least one option=value pair in them. */
 799
 800                 optName = [thisOpt substringToIndex:splitOptRange.location];
 801                 optValue = [thisOpt substringFromIndex:splitOptRange.location + 1];
 802
 803                 /*Run through the available widgets for x264 opts and set them, as you add widgets,
 804                     they need to be added here. This should be moved to its own method probably*/
 805
 806                 /*If the optNameToChange is found, appropriately change the value or delete it if
 807                     "Unspecified" is set.*/
 808                 if ([optName isEqualToString:optNameToChange])
 809                 {
 810                     if ([optNameToChange isEqualToString:@"deblock"])
 811                     {
 812                         if ((([fX264optAlphaDeblockPopUp indexOfSelectedItem] == 0) || ([fX264optAlphaDeblockPopUp indexOfSelectedItem] == 7)) && (([fX264optBetaDeblockPopUp indexOfSelectedItem] == 0) || ([fX264optBetaDeblockPopUp indexOfSelectedItem] == 7)))
 813                         {
 814                             /* When both deblock widgets are 0 or default or a mix of the two,
 815                                use a blank string, since deblocking defaults to 0,0.           */
 816                             thisOpt = @"";
 817                         }
 818                         else
 819                         {
 820                             /* Otherwise the format is deblock=a,b, where a and b both have an array
 821                                offset of 7 because deblocking values start at -6 instead of at zero. */
 822                             thisOpt = [NSString stringWithFormat:@"%@=%d,%d",optName, ([fX264optAlphaDeblockPopUp indexOfSelectedItem] != 0) ? [fX264optAlphaDeblockPopUp indexOfSelectedItem]-7 : 0,([fX264optBetaDeblockPopUp indexOfSelectedItem] != 0) ? [fX264optBetaDeblockPopUp indexOfSelectedItem]-7 : 0];
 823                         }
 824                     }
 825                     else if /*Boolean Switches*/ ([optNameToChange isEqualToString:@"mixed-refs"] || [optNameToChange isEqualToString:@"weightb"] ||  [optNameToChange isEqualToString:@"b-pyramid"] || [optNameToChange isEqualToString:@"no-fast-pskip"] || [optNameToChange isEqualToString:@"no-dct-decimate"] || [optNameToChange isEqualToString:@"8x8dct"] )
 826                     {
 827                         /* Here is where we take care of the boolean options that work overtly:
 828                            no-dct-decimate being on means no-dct-decimate=1, etc. Some options
 829                            require the inverse, but those will be handled a couple lines down. */
 830                         if ([sender state] == 0)
 831                         {
 832                             /* When these options are false, don't include them. They all default
 833                                to being set off, so they don't need to be mentioned at all.       */
 834                             thisOpt = @"";
 835                         }
 836                         else
 837                         {
 838                             /* Otherwise, include them as optioname=1 */
 839                             thisOpt = [NSString stringWithFormat:@"%@=%d",optName,1];
 840                         }
 841                     }
 842                     else if ([optNameToChange isEqualToString:@"cabac"])
 843                     {
 844                         /* CABAC is odd, in that it defaults to being on. That means
 845                            it only needs to be included in the string when turned off. */
 846                         if ([sender state] == 1)
 847                         {
 848                             /* It's true so don't include it. */
 849                             thisOpt = @"";
 850                         }
 851                         else
 852                         {
 853                             /* Otherwise, include cabac=0 in the string to enable CAVLC. */
 854                             thisOpt = [NSString stringWithFormat:@"%@=%d",optName,0];
 855                         }
 856                     }
 857                     else if (([sender indexOfSelectedItem] == 0) && (sender != fX264optAlphaDeblockPopUp) && (sender != fX264optBetaDeblockPopUp) ) // means that "unspecified" is chosen, lets then remove it from the string
 858                     {
 859                         /* When a widget is at index 0, it's default. Default means don't add to the string.
 860                            The exception for deblocking is because for those, *both* need to at index 0
 861                            for it to default, so it's handled separately, above this section.                */
 862                         thisOpt = @"";
 863                     }
 864                     else if ([optNameToChange isEqualToString:@"me"])
 865                     {
 866                         /* Motion estimation uses string values, so this switch
 867                            pairs the widget index with the right value string.  */
 868                         switch ([sender indexOfSelectedItem])
 869                         {
 870                             case 1:
 871                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"dia"];
 872                                 break;
 873
 874                             case 2:
 875                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"hex"];
 876                                 break;
 877
 878                             case 3:
 879                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"umh"];
 880                                 break;
 881
 882                             case 4:
 883                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"esa"];
 884                                 break;
 885
 886                             case 5:
 887                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"tesa"];
 888
 889                             default:
 890                                 break;
 891                         }
 892                     }
 893                     else if ([optNameToChange isEqualToString:@"direct"])
 894                     {
 895                         /* Direct prediction uses string values, so this switch
 896                            pairs the right string value with the right widget index. */
 897                         switch ([sender indexOfSelectedItem])
 898                         {
 899                             case 1:
 900                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"none"];
 901                                 break;
 902
 903                             case 2:
 904                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"spatial"];
 905                                 break;
 906
 907                             case 3:
 908                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"temporal"];
 909                                 break;
 910
 911                             case 4:
 912                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"auto"];
 913                                 break;
 914
 915                             default:
 916                                 break;
 917                         }
 918                     }
 919                     else if ([optNameToChange isEqualToString:@"analyse"])
 920                     {
 921                         /* Analysis uses string values as well. */
 922                         switch ([sender indexOfSelectedItem])
 923                         {
 924                             case 1:
 925                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"none"];
 926                                 break;
 927
 928                             case 2:
 929                                 thisOpt = [NSString stringWithFormat:@"%@=%@",optName,@"all"];
 930                                 break;
 931
 932                             default:
 933                                 break;
 934                         }
 935                     }
 936                     else if ([optNameToChange isEqualToString:@"merange"])
 937                     {
 938                         /* Motion estimation range uses an odd array offset because in addition
 939                            to starting with index 0 as default, index 1 starts at 4 instead of 1,
 940                            because merange can't go below 4. So it has to be handled separately.  */
 941                         thisOpt = [NSString stringWithFormat:@"%@=%d",optName,[sender indexOfSelectedItem]+3];
 942                     }
 943                     else // we have a valid value to change, so change it
 944                     {
 945                         if ( [sender indexOfSelectedItem] != 0 )
 946                         /* Here's our general case, that catches things like ref frames and b-frames.
 947                            Basically, any options that are PopUp menus with index 0 as default and
 948                            index 1 as 1, with numerical values, are all handled right here. All of
 949                            the above stuff is for the exceptions to the general case.              */
 950                             thisOpt = [NSString stringWithFormat:@"%@=%d",optName,[sender indexOfSelectedItem]-1];
 951                     }
 952                 }
 953             }
 954
 955             /* Construct New String for opts here */
 956             if ([thisOpt isEqualToString:@""])
 957             {
 958                 /* Blank option, so just add it to the string. (Why?) */
 959                 changedOptString = [NSString stringWithFormat:@"%@%@",changedOptString,thisOpt];
 960             }
 961             else
 962             {
 963                 if ([changedOptString isEqualToString:@""])
 964                 {
 965                     /* No existing string, make the string this option. */
 966                     changedOptString = [NSString stringWithFormat:@"%@",thisOpt];
 967                 }
 968                 else
 969                 {
 970                     /* Existing string, existing option. Append the
 971                        option to the string, preceding it with a colon. */
 972                     changedOptString = [NSString stringWithFormat:@"%@:%@",changedOptString,thisOpt];
 973                 }
 974             }
 975         }
 976
 977         /* Change the dislayed option string to reflect the new modified settings */
 978         [fDisplayX264Options setStringValue:[NSString stringWithFormat:changedOptString]];
 979     }
 980     else // if none exists, add it to the string
 981     {
 982         /* This is where options that aren't already in the string are handled. */
 983         if ([[fDisplayX264Options stringValue] isEqualToString: @""])
 984         {
 985             /* The option might not be in the string because the
 986                string is empty. Handle this possibility first.   */
 987             if ([optNameToChange isEqualToString:@"me"])
 988             {
 989                 /* Special case for motion estimation, which uses string values
 990                    that need to be paired up with the equivalent widget index.  */
 991                 switch ([sender indexOfSelectedItem])
 992                 {
 993                     case 1:
 994                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
 995                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"dia"]]];
 996                         break;
 997
 998                     case 2:
 999                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1000                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"hex"]]];
1001                         break;
1002
1003                     case 3:
1004                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1005                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"umh"]]];
1006                         break;
1007
1008                     case 4:
1009                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1010                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"esa"]]];
1011                         break;
1012
1013                     case 5:
1014                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1015                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"tesa"]]];
1016                         break;
1017
1018                     default:
1019                         break;
1020                 }
1021             }
1022             else if ([optNameToChange isEqualToString:@"direct"])
1023             {
1024                 /* Special case for direct prediction, which uses string values
1025                    that need to be paired up with the equivalent widget index.  */
1026                 switch ([sender indexOfSelectedItem])
1027                 {
1028                     case 1:
1029                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1030                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"none"]]];
1031                         break;
1032
1033                     case 2:
1034                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1035                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"spatial"]]];
1036                         break;
1037
1038                     case 3:
1039                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1040                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"temporal"]]];
1041                         break;
1042
1043                     case 4:
1044                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1045                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"auto"]]];
1046                         break;
1047
1048                     default:
1049                         break;
1050                 }
1051             }
1052             else if ([optNameToChange isEqualToString:@"analyse"])
1053             {
1054                 /* Special case for partition analysis, which uses string values
1055                    that need to be paired up with the equivalent widget index.  */
1056                 switch ([sender indexOfSelectedItem])
1057                 {
1058                     case 1:
1059                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1060                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"none"]]];
1061                         break;
1062
1063                     case 2:
1064                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1065                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"all"]]];
1066                         break;
1067
1068                     default:
1069                         break;
1070                 }
1071             }
1072
1073             else if ([optNameToChange isEqualToString:@"merange"])
1074             {
1075                 /* Special case for motion estimation range, which uses
1076                    a widget index offset of 3. This is because the
1077                    first valid value after default is four, not zero.   */
1078                 [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1079                     [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender indexOfSelectedItem]+3]]];
1080             }
1081             else if ([optNameToChange isEqualToString:@"deblock"])
1082             {
1083                 /* Very special case for deblock. Uses a weird widget index offset
1084                    of 7, because the first value after default is -6, rather than 0.
1085                    As well, deblock only goes to default when *both* alpha and beta
1086                    are zero. If only one is zero, you can't mark it down as default.
1087                    Instead, mark that one down as literally 0. This is because when
1088                    widgets are at default values, they aren't included in the string.
1089                    If only one filter is at 0, both need to be overtly specified.    */
1090                 [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@", [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d,%d", ([fX264optAlphaDeblockPopUp indexOfSelectedItem] != 0) ? [fX264optAlphaDeblockPopUp indexOfSelectedItem]-7 : 0, ([fX264optBetaDeblockPopUp indexOfSelectedItem] != 0) ? [fX264optBetaDeblockPopUp indexOfSelectedItem]-7 : 0]]];
1091             }
1092             else if /*Boolean Switches*/ ([optNameToChange isEqualToString:@"mixed-refs"] || [optNameToChange isEqualToString:@"weightb"] || [optNameToChange isEqualToString:@"b-pyramid"] || [optNameToChange isEqualToString:@"no-fast-pskip"] || [optNameToChange isEqualToString:@"no-dct-decimate"] || [optNameToChange isEqualToString:@"8x8dct"] )
1093             {
1094                 /* This covers all the boolean options that need to be specified only when true. */
1095                 if ([sender state] == 0)
1096                 {
1097                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@""]];
1098                 }
1099                 else
1100                 {
1101                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1102                         [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender state]]]];
1103                 }
1104             }
1105             else if ([optNameToChange isEqualToString:@"cabac"])
1106             {
1107                 /* CABAC is weird in that you need the inverse. Only include in the string
1108                    when cabac=0, because cabac=1 is the default. Turning it off means CAVLC. */
1109                 if ([sender state] == 1)
1110                 {
1111                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@""]];
1112                 }
1113                 else
1114                 {
1115                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1116                         [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender state]]]];
1117                 }
1118             }
1119             else
1120             {
1121                 if ( [sender indexOfSelectedItem] != 0 )
1122                 /* General case to cover all the normal PopUp widgets, like ref and b-frames. */
1123                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@=%@",
1124                     [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender indexOfSelectedItem]-1]]];
1125             }
1126         }
1127         else
1128         {
1129             /* The string isn't empty, and the option isn't already in it,
1130                so it will need to be appended to the string with a colon.  */
1131             if ([optNameToChange isEqualToString:@"me"])
1132             {
1133                 /* Special case for motion estimation, which uses string values
1134                    that need to be paired up with the equivalent widget index.  */
1135                 switch ([sender indexOfSelectedItem])
1136                 {
1137                     case 1:
1138                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1139                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1140                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"dia"]]];
1141                         break;
1142
1143                     case 2:
1144                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1145                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1146                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"hex"]]];
1147                         break;
1148
1149                     case 3:
1150                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1151                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1152                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"umh"]]];
1153                         break;
1154
1155                     case 4:
1156                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1157                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1158                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"esa"]]];
1159                         break;
1160
1161                     case 5:
1162                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1163                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1164                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"tesa"]]];
1165                         break;
1166
1167                     default:
1168                         break;
1169                 }
1170             }
1171             else if ([optNameToChange isEqualToString:@"direct"])
1172             {
1173                 /* Special case for direct prediction, which uses string values
1174                    that need to be paired up with the equivalent widget index.  */
1175                 switch ([sender indexOfSelectedItem])
1176                 {
1177                     case 1:
1178                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1179                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1180                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"none"]]];
1181                         break;
1182
1183                     case 2:
1184                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1185                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1186                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"spatial"]]];
1187                         break;
1188
1189                     case 3:
1190                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1191                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1192                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"temporal"]]];
1193                         break;
1194
1195                     case 4:
1196                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1197                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1198                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"auto"]]];
1199                         break;
1200
1201                     default:
1202                         break;
1203                 }
1204             }
1205             else if ([optNameToChange isEqualToString:@"analyse"])
1206             {
1207                 /* Special case for partition analysis, which uses string values
1208                    that need to be paired up with the equivalent widget index.  */
1209                 switch ([sender indexOfSelectedItem])
1210                 {
1211                     case 1:
1212                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1213                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1214                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"none"]]];
1215                         break;
1216
1217                     case 2:
1218                         [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",
1219                             [NSString stringWithFormat:[fDisplayX264Options stringValue]],
1220                             [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"all"]]];
1221                         break;
1222
1223                     default:
1224                         break;
1225                 }
1226             }
1227
1228             else if ([optNameToChange isEqualToString:@"merange"])
1229             {
1230                 /* Motion estimation range uses a weird offset since its index goes
1231                    0: default, 1: 4, because the first valid value is 4, not 1.     */
1232                 [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",[NSString stringWithFormat:[fDisplayX264Options stringValue]],
1233                     [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender indexOfSelectedItem]+3]]];
1234             }
1235             else if ([optNameToChange isEqualToString:@"deblock"])
1236             {
1237                 /* Deblock is really weird because it has two values, and if only one is default, both
1238                    still need to be specified directly. with the default one at zero. To make deblock
1239                    just a little more fun, values start at -6 instead of at zero.                       */
1240                 [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@", [NSString stringWithFormat:[fDisplayX264Options stringValue]], [NSString stringWithFormat:optNameToChange], [NSString stringWithFormat:@"%d,%d", ([fX264optAlphaDeblockPopUp indexOfSelectedItem] != 0) ? [fX264optAlphaDeblockPopUp indexOfSelectedItem]-7 : 0, ([fX264optBetaDeblockPopUp indexOfSelectedItem] != 0) ? [fX264optBetaDeblockPopUp indexOfSelectedItem]-7 : 0]]];
1241             }
1242             else if /*Boolean Switches*/ ([optNameToChange isEqualToString:@"mixed-refs"] || [optNameToChange isEqualToString:@"weightb"] || [optNameToChange isEqualToString:@"b-pyramid"] || [optNameToChange isEqualToString:@"no-fast-pskip"] || [optNameToChange isEqualToString:@"no-dct-decimate"] || [optNameToChange isEqualToString:@"8x8dct"] )
1243             {
1244                 /* Covers all the normal booleans, that only need to be included in the string when they're true. */
1245                 if ([sender state] == 0)
1246                 {
1247                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@",[NSString stringWithFormat:[fDisplayX264Options stringValue]]]];
1248                 }
1249                 else
1250                 {
1251                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",[NSString stringWithFormat:[fDisplayX264Options stringValue]],
1252                         [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender state]]]];
1253                 }
1254             }
1255             else if ([optNameToChange isEqualToString:@"cabac"])
1256             {
1257                 /* CABAC is weird, in that it's an inverse. Only include it in the string when it's false. */
1258                 if ([sender state] == 1)
1259                 {
1260                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@",[NSString stringWithFormat:[fDisplayX264Options stringValue]]]];
1261                 }
1262                 else
1263                 {
1264                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",[NSString stringWithFormat:[fDisplayX264Options stringValue]],
1265                         [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender state]]]];
1266                 }
1267             }
1268             else
1269             {
1270                 /* General case to handle the normal PopUp widgets like ref and b-frames. */
1271                 if ( [sender indexOfSelectedItem] != 0 )
1272                     [fDisplayX264Options setStringValue:[NSString stringWithFormat:@"%@:%@=%@",[NSString stringWithFormat:[fDisplayX264Options stringValue]],
1273                     [NSString stringWithFormat:optNameToChange],[NSString stringWithFormat:@"%d",[sender indexOfSelectedItem]-1]]];
1274             }
1275         }
1276     }
1277
1278     /* We now need to reset the opt widgets since we changed some stuff */
1279     [self X264AdvancedOptionsSet:sender];
1280 }
1281
1282 @end