path: root/macosx/Controller.mm

/* $Id: Controller.mm,v 1.79 2005/11/04 19:41:32 titer Exp $

   This file is part of the HandBrake source code.
   Homepage: <http://handbrake.m0k.org/>.
   It may be used under the terms of the GNU General Public License. */

#include "Controller.h"
#include "a52dec/a52.h"
#import "HBOutputPanelController.h"
#import "HBPreferencesController.h"
/* Added to integrate scanning into HBController */
#include <IOKit/IOKitLib.h>
#include <IOKit/storage/IOMedia.h>
#include <IOKit/storage/IODVDMedia.h>
#include "HBDVDDetector.h"
#include "dvdread/dvd_reader.h"
#include "HBPresets.h"

#define _(a) NSLocalizedString(a,NULL)
#define DragDropSimplePboardType 	@"MyCustomOutlineViewPboardType"
static int FormatSettings[4][10] =
  { { HB_MUX_MP4 | HB_VCODEC_FFMPEG | HB_ACODEC_FAAC,
	  HB_MUX_MP4 | HB_VCODEC_X264   | HB_ACODEC_FAAC,
      HB_MUX_MP4 | HB_VCODEC_X264   | HB_ACODEC_FAAC,
      HB_MUX_MP4 | HB_VCODEC_X264   | HB_ACODEC_AC3,
      0,
	  0 },
    { HB_MUX_MKV | HB_VCODEC_FFMPEG | HB_ACODEC_FAAC,
	  HB_MUX_MKV | HB_VCODEC_FFMPEG | HB_ACODEC_AC3,
	  HB_MUX_MKV | HB_VCODEC_FFMPEG | HB_ACODEC_LAME,
	  HB_MUX_MKV | HB_VCODEC_FFMPEG | HB_ACODEC_VORBIS,
	  HB_MUX_MKV | HB_VCODEC_X264   | HB_ACODEC_FAAC,
	  HB_MUX_MKV | HB_VCODEC_X264   | HB_ACODEC_AC3,
	  HB_MUX_MKV | HB_VCODEC_X264   | HB_ACODEC_LAME,
	  HB_MUX_MKV | HB_VCODEC_X264   | HB_ACODEC_VORBIS,
	  0,
	  0 },
    { HB_MUX_AVI | HB_VCODEC_FFMPEG | HB_ACODEC_LAME,
	  HB_MUX_AVI | HB_VCODEC_FFMPEG | HB_ACODEC_AC3,
	  HB_MUX_AVI | HB_VCODEC_X264   | HB_ACODEC_LAME,
	  HB_MUX_AVI | HB_VCODEC_X264   | HB_ACODEC_AC3},
    { HB_MUX_OGM | HB_VCODEC_FFMPEG | HB_ACODEC_VORBIS,
	  HB_MUX_OGM | HB_VCODEC_FFMPEG | HB_ACODEC_LAME,
	  0,
	  0 } };

/* We setup the toolbar values here */
static NSString *        ToggleDrawerIdentifier             = @"Toggle Drawer Item Identifier";
static NSString *        StartEncodingIdentifier            = @"Start Encoding Item Identifier";
static NSString *        PauseEncodingIdentifier            = @"Pause Encoding Item Identifier";
static NSString *        ShowQueueIdentifier                = @"Show Queue Item Identifier";
static NSString *        AddToQueueIdentifier               = @"Add to Queue Item Identifier";
static NSString *        ShowActivityIdentifier             = @"Debug Output Item Identifier";
static NSString *        ChooseSourceIdentifier             = @"Choose Source Item Identifier";


/*******************************
 * HBController implementation *
 *******************************/
@implementation HBController

- init
{
    self = [super init];
    [HBPreferencesController registerUserDefaults];
    fHandle = NULL;
    /* Check for check for the app support directory here as
        * outputPanel needs it right away, as may other future methods
        */
    /* We declare the default NSFileManager into fileManager */
	NSFileManager * fileManager = [NSFileManager defaultManager];
	/* we set the files and support paths here */
	AppSupportDirectory = @"~/Library/Application Support/HandBrake";
    AppSupportDirectory = [AppSupportDirectory stringByExpandingTildeInPath];
    /* We check for the app support directory for handbrake */
	if ([fileManager fileExistsAtPath:AppSupportDirectory] == 0) 
	{
		// If it doesnt exist yet, we create it here 
		[fileManager createDirectoryAtPath:AppSupportDirectory attributes:nil];
	}
    
    outputPanel = [[HBOutputPanelController alloc] init];
    fPictureController = [[PictureController alloc] initWithDelegate:self];
    fQueueController = [[HBQueueController alloc] init];
    fAdvancedOptions = [[HBAdvancedController alloc] init];
    /* we init the HBPresets class which currently is only used
    * for updating built in presets, may move more functionality
    * there in the future
    */
    fPresetsBuiltin = [[HBPresets alloc] init];
    fPreferencesController = [[HBPreferencesController alloc] init];
    /* Lets report the HandBrake version number here to the activity log and text log file */
    NSString *versionStringFull = [[NSString stringWithFormat: @"Handbrake Version: %@", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleGetInfoString"]] stringByAppendingString: [NSString stringWithFormat: @" (%@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]]];
    [self writeToActivityLog: "%s", [versionStringFull UTF8String]];    
    
    return self;
}


- (void) applicationDidFinishLaunching: (NSNotification *) notification
{
    /* Variables from legacy update system, leave but commented out until Sparkle is compeletely vetted */
    //int    build;
    //char * version;
    
    // Init libhb
	/* Old update method using hb_init, commented out but code left for a few revs til new sparkle updater is vetted */
    //fHandle = hb_init(debugLevel, [[NSUserDefaults standardUserDefaults] boolForKey:@"CheckForUpdates"]);
    /* New Init libhb with check for updates libhb style set to "0" so its ignored and lets sparkle take care of it */
    fHandle = hb_init(HB_DEBUG_ALL, 0);
    
	// Set the Growl Delegate
    [GrowlApplicationBridge setGrowlDelegate: self];    
    /* Init others controllers */
    [fPictureController SetHandle: fHandle];
    [fQueueController   setHandle: fHandle];
    [fQueueController   setHBController: self];
	
    fChapterTitlesDelegate = [[ChapterTitles alloc] init];
    [fChapterTable setDataSource:fChapterTitlesDelegate];
    
    /* Call UpdateUI every 1/2 sec */
    [[NSRunLoop currentRunLoop] addTimer: [NSTimer
                                           scheduledTimerWithTimeInterval: 0.5 target: self
                                           selector: @selector( updateUI: ) userInfo: NULL repeats: YES]
                                 forMode: NSEventTrackingRunLoopMode];
    
    // Open debug output window now if it was visible when HB was closed
    if ([[NSUserDefaults standardUserDefaults] boolForKey:@"OutputPanelIsOpen"])
        [self showDebugOutputPanel:nil];
    
    // Open queue window now if it was visible when HB was closed
    if ([[NSUserDefaults standardUserDefaults] boolForKey:@"QueueWindowIsOpen"])
        [self showQueueWindow:nil];
    
	[self openMainWindow:nil];
    
    /* Show Browse Sources Window ASAP */
    [self performSelectorOnMainThread: @selector(browseSources:)
                           withObject: NULL waitUntilDone: NO];
}

- (NSApplicationTerminateReply) applicationShouldTerminate: (NSApplication *) app
{
    // Warn if encoding a movie
    hb_state_t s;
    hb_get_state( fHandle, &s );
    HBJobGroup * jobGroup = [fQueueController currentJobGroup];
    if ( jobGroup && ( s.state != HB_STATE_IDLE ) )
    {
        int result = NSRunCriticalAlertPanel(
                NSLocalizedString(@"Are you sure you want to quit HandBrake?", nil),
                NSLocalizedString(@"%@ is currently encoding. If you quit HandBrake, your movie will be lost. Do you want to quit anyway?", nil),
                NSLocalizedString(@"Quit", nil), NSLocalizedString(@"Don't Quit", nil), nil,
                jobGroup ? [jobGroup name] : @"A movie" );
        
        if (result == NSAlertDefaultReturn)
        {
            [self doCancelCurrentJob];
            return NSTerminateNow;
        }
        else
            return NSTerminateCancel;
    }
    
    // Warn if items still in the queue
    else if ( hb_count( fHandle ) > 0 )
    {
        int result = NSRunCriticalAlertPanel(
                NSLocalizedString(@"Are you sure you want to quit HandBrake?", nil),
                NSLocalizedString(@"One or more encodes are queued for encoding. Do you want to quit anyway?", nil),
                NSLocalizedString(@"Quit", nil), NSLocalizedString(@"Don't Quit", nil), nil);
        
        if ( result == NSAlertDefaultReturn )
            return NSTerminateNow;
        else
            return NSTerminateCancel;
    }
    
    return NSTerminateNow;
}

- (void)applicationWillTerminate:(NSNotification *)aNotification
{
	[browsedSourceDisplayName release];
    [outputPanel release];
	[fQueueController release];
	hb_close(&fHandle);
}


- (void) awakeFromNib
{
    [fWindow center];
    [fWindow setExcludedFromWindowsMenu:YES];
    [fAdvancedOptions setView:fAdvancedView];

    /* lets setup our presets drawer for drag and drop here */
    [fPresetsOutlineView registerForDraggedTypes: [NSArray arrayWithObject:DragDropSimplePboardType] ];
    [fPresetsOutlineView setDraggingSourceOperationMask:NSDragOperationEvery forLocal:YES];
    [fPresetsOutlineView setVerticalMotionCanBeginDrag: YES];

    /* Initialize currentScanCount so HB can use it to
		evaluate successive scans */
	currentScanCount = 0;
	
    /* Init UserPresets .plist */
	[self loadPresets];
		
	fRipIndicatorShown = NO;  // initially out of view in the nib
	
	/* Show/Dont Show Presets drawer upon launch based
		on user preference DefaultPresetsDrawerShow*/
	if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultPresetsDrawerShow"] > 0)
	{
		[fPresetDrawer open];
	}
	
	
    /* Destination box*/
    [fDstFormatPopUp removeAllItems];
    [fDstFormatPopUp addItemWithTitle: _( @"MP4 file" )];
	[fDstFormatPopUp addItemWithTitle: _( @"MKV file" )];
    [fDstFormatPopUp addItemWithTitle: _( @"AVI file" )];
    [fDstFormatPopUp addItemWithTitle: _( @"OGM file" )];
    [fDstFormatPopUp selectItemAtIndex: 0];
	
    [self formatPopUpChanged: NULL];
    
	/* We enable the create chapters checkbox here since we are .mp4 */	
	[fCreateChapterMarkers setEnabled: YES];
	if ([fDstFormatPopUp indexOfSelectedItem] == 0 && [[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultChapterMarkers"] > 0)
	{
		[fCreateChapterMarkers setState: NSOnState];
	}
	
	
	
	
    [fDstFile2Field setStringValue: [NSString stringWithFormat:
        @"%@/Desktop/Movie.mp4", NSHomeDirectory()]];
	
    /* Video encoder */
    [fVidEncoderPopUp removeAllItems];
    [fVidEncoderPopUp addItemWithTitle: @"FFmpeg"];
    [fVidEncoderPopUp addItemWithTitle: @"XviD"];
	
    
	
    /* Video quality */
    [fVidTargetSizeField setIntValue: 700];
	[fVidBitrateField    setIntValue: 1000];
	
    [fVidQualityMatrix   selectCell: fVidBitrateCell];
    [self videoMatrixChanged: NULL];
	
    /* Video framerate */
    [fVidRatePopUp removeAllItems];
	[fVidRatePopUp addItemWithTitle: _( @"Same as source" )];
    for( int i = 0; i < hb_video_rates_count; i++ )
    {
        if ([[NSString stringWithCString: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%.3f",23.976]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
				[NSString stringWithCString: hb_video_rates[i].string], @" (NTSC Film)"]];
		}
		else if ([[NSString stringWithCString: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%d",25]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
				[NSString stringWithCString: hb_video_rates[i].string], @" (PAL Film/Video)"]];
		}
		else if ([[NSString stringWithCString: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%.2f",29.97]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
				[NSString stringWithCString: hb_video_rates[i].string], @" (NTSC Video)"]];
		}
		else
		{
			[fVidRatePopUp addItemWithTitle:
				[NSString stringWithCString: hb_video_rates[i].string]];
		}
    }
    [fVidRatePopUp selectItemAtIndex: 0];
	
	/* Set Auto Crop to On at launch */
    [fPictureController setAutoCrop:YES];
	
	/* Audio bitrate */
    [fAudBitratePopUp removeAllItems];
    for( int i = 0; i < hb_audio_bitrates_count; i++ )
    {
        [fAudBitratePopUp addItemWithTitle:
				[NSString stringWithCString: hb_audio_bitrates[i].string]];

    }
    [fAudBitratePopUp selectItemAtIndex: hb_audio_bitrates_default];
	
    /* Audio samplerate */
    [fAudRatePopUp removeAllItems];
    for( int i = 0; i < hb_audio_rates_count; i++ )
    {
        [fAudRatePopUp addItemWithTitle:
            [NSString stringWithCString: hb_audio_rates[i].string]];
    }
    [fAudRatePopUp selectItemAtIndex: hb_audio_rates_default];
	
    /* Bottom */
    [fStatusField setStringValue: @""];
	
    [self enableUI: NO];
	[self setupToolbar];
	
	[fPresetsActionButton setMenu:fPresetsActionMenu];
	
	/* We disable the Turbo 1st pass checkbox since we are not x264 */
	[fVidTurboPassCheck setEnabled: NO];
	[fVidTurboPassCheck setState: NSOffState];
	
	
	/* lets get our default prefs here */
	[self getDefaultPresets: NULL];
	/* lets initialize the current successful scancount here to 0 */
	currentSuccessfulScanCount = 0;
    
}

- (void) TranslateStrings
{
    [fSrcTitleField     setStringValue: _( @"Title:" )];
    [fSrcChapterField   setStringValue: _( @"Chapters:" )];
    [fSrcChapterToField setStringValue: _( @"to" )];
    [fSrcDuration1Field setStringValue: _( @"Duration:" )];

    [fDstFormatField    setStringValue: _( @"Format:" )];
    [fDstCodecsField    setStringValue: _( @"Codecs:" )];
    [fDstFile1Field     setStringValue: _( @"File:" )];
    [fDstBrowseButton   setTitle:       _( @"Browse" )];

    [fVidRateField      setStringValue: _( @"Framerate (fps):" )];
    [fVidEncoderField   setStringValue: _( @"Encoder:" )];
    [fVidQualityField   setStringValue: _( @"Quality:" )];
}


- (void) enableUI: (bool) b
{
    NSControl * controls[] =
      { fSrcTitleField, fSrcTitlePopUp,
        fSrcChapterField, fSrcChapterStartPopUp, fSrcChapterToField,
        fSrcChapterEndPopUp, fSrcDuration1Field, fSrcDuration2Field,
        fDstFormatField, fDstFormatPopUp, fDstCodecsField,
        fDstCodecsPopUp, fDstFile1Field, fDstFile2Field,
        fDstBrowseButton, fVidRateField, fVidRatePopUp,
        fVidEncoderField, fVidEncoderPopUp, fVidQualityField,
        fVidQualityMatrix, fVidGrayscaleCheck, fSubField, fSubPopUp,
        fAudLang1Field, fAudLang1PopUp, fAudLang2Field, fAudLang2PopUp,
        fAudTrack1MixLabel, fAudTrack1MixPopUp, fAudTrack2MixLabel, fAudTrack2MixPopUp,
        fAudRateField, fAudRatePopUp, fAudBitrateField,
        fAudBitratePopUp, fPictureButton,fQueueStatus,fPicSettingARkeep,
		fPicSettingDeinterlace,fPicLabelSettings,fPicLabelSrc,fPicLabelOutp,fPicSettingsSrc,fPicSettingsOutp,fPicSettingsAnamorphic,
		fPicLabelAr,fPicLabelDeinterlace,fPicSettingPAR,fPicLabelAnamorphic,fPresetsAdd,fPresetsDelete,
		fCreateChapterMarkers,fVidTurboPassCheck,fDstMp4LargeFileCheck,fPicLabelAutoCrop,
		fPicSettingAutoCrop,fPicSettingDetelecine,fPicLabelDetelecine,fPicLabelDenoise,fPicSettingDenoise,
        fSubForcedCheck,fPicSettingDeblock,fPicLabelDeblock,fPresetsOutlineView,fAudDrcSlider,
        fAudDrcField,fAudDrcLabel,fDstMp4HttpOptFileCheck,fAudDrcDescLabel1,fAudDrcDescLabel2,fAudDrcDescLabel3,
        fAudDrcDescLabel4,fDstMp4iPodFileCheck};

    for( unsigned i = 0;
         i < sizeof( controls ) / sizeof( NSControl * ); i++ )
    {
        if( [[controls[i] className] isEqualToString: @"NSTextField"] )
        {
            NSTextField * tf = (NSTextField *) controls[i];
            if( ![tf isBezeled] )
            {
                [tf setTextColor: b ? [NSColor controlTextColor] :
                    [NSColor disabledControlTextColor]];
                continue;
            }
        }
        [controls[i] setEnabled: b];

    }
	
	if (b) {

        /* if we're enabling the interface, check if the audio mixdown controls need to be enabled or not */
        /* these will have been enabled by the mass control enablement above anyway, so we're sense-checking it here */
        [self setEnabledStateOfAudioMixdownControls: NULL];
        /* we also call calculatePictureSizing here to sense check if we already have vfr selected */
        [self calculatePictureSizing: NULL];
	
	} else {

		[fPresetsOutlineView setEnabled: NO];
	
	}

    [self videoMatrixChanged: NULL];
    [fAdvancedOptions enableUI:b];
}


/***********************************************************************
 * UpdateDockIcon
 ***********************************************************************
 * Shows a progression bar on the dock icon, filled according to
 * 'progress' (0.0 <= progress <= 1.0).
 * Called with progress < 0.0 or progress > 1.0, restores the original
 * icon.
 **********************************************************************/
- (void) UpdateDockIcon: (float) progress
{
    NSImage * icon;
    NSData * tiff;
    NSBitmapImageRep * bmp;
    uint32_t * pen;
    uint32_t black = htonl( 0x000000FF );
    uint32_t red   = htonl( 0xFF0000FF );
    uint32_t white = htonl( 0xFFFFFFFF );
    int row_start, row_end;
    int i, j;

    /* Get application original icon */
    icon = [NSImage imageNamed: @"NSApplicationIcon"];

    if( progress < 0.0 || progress > 1.0 )
    {
        [NSApp setApplicationIconImage: icon];
        return;
    }

    /* Get it in a raw bitmap form */
    tiff = [icon TIFFRepresentationUsingCompression:
            NSTIFFCompressionNone factor: 1.0];
    bmp = [NSBitmapImageRep imageRepWithData: tiff];
    
    /* Draw the progression bar */
    /* It's pretty simple (ugly?) now, but I'm no designer */

    row_start = 3 * (int) [bmp size].height / 4;
    row_end   = 7 * (int) [bmp size].height / 8;

    for( i = row_start; i < row_start + 2; i++ )
    {
        pen = (uint32_t *) ( [bmp bitmapData] + i * [bmp bytesPerRow] );
        for( j = 0; j < (int) [bmp size].width; j++ )
        {
            pen[j] = black;
        }
    }
    for( i = row_start + 2; i < row_end - 2; i++ )
    {
        pen = (uint32_t *) ( [bmp bitmapData] + i * [bmp bytesPerRow] );
        pen[0] = black;
        pen[1] = black;
        for( j = 2; j < (int) [bmp size].width - 2; j++ )
        {
            if( j < 2 + (int) ( ( [bmp size].width - 4.0 ) * progress ) )
            {
                pen[j] = red;
            }
            else
            {
                pen[j] = white;
            }
        }
        pen[j]   = black;
        pen[j+1] = black;
    }
    for( i = row_end - 2; i < row_end; i++ )
    {
        pen = (uint32_t *) ( [bmp bitmapData] + i * [bmp bytesPerRow] );
        for( j = 0; j < (int) [bmp size].width; j++ )
        {
            pen[j] = black;
        }
    }

    /* Now update the dock icon */
    tiff = [bmp TIFFRepresentationUsingCompression:
            NSTIFFCompressionNone factor: 1.0];
    icon = [[NSImage alloc] initWithData: tiff];
    [NSApp setApplicationIconImage: icon];
    [icon release];
}

- (void) updateUI: (NSTimer *) timer
{

    hb_list_t  * list;
    list = hb_get_titles( fHandle );	
    /* check to see if there has been a new scan done
	this bypasses the constraints of HB_STATE_WORKING
	not allowing setting a newly scanned source */
	int checkScanCount = hb_get_scancount( fHandle );
	if (checkScanCount > currentScanCount)
	{
		
		currentScanCount = checkScanCount;
        [fScanIndicator setIndeterminate: NO];
        [fScanIndicator setDoubleValue: 0.0];
        [fScanIndicator setHidden: YES];
		[self showNewScan: NULL];
	}
	
    hb_state_t s;
    hb_get_state( fHandle, &s );
	
	
    switch( s.state )
    {
        case HB_STATE_IDLE:
		break;
#define p s.param.scanning			
        case HB_STATE_SCANNING:
		{
            [fSrcDVD2Field setStringValue: [NSString stringWithFormat:
                                            _( @"Scanning title %d of %d..." ),
                                            p.title_cur, p.title_count]];
            [fScanIndicator setHidden: NO];
            [fScanIndicator setDoubleValue: 100.0 * ( p.title_cur - 1 ) / p.title_count];
            break;
		}
#undef p
	
#define p s.param.scandone
        case HB_STATE_SCANDONE:
        {
            [fScanIndicator setIndeterminate: NO];
            [fScanIndicator setDoubleValue: 0.0];
            [fScanIndicator setHidden: YES];
			[self showNewScan: NULL];
            [toolbar validateVisibleItems];
			break;
        }
#undef p
			
#define p s.param.working
        case HB_STATE_WORKING:
        {
            float progress_total;
            NSMutableString * string;
			/* Currently, p.job_cur and p.job_count get screwed up when adding
				jobs during encoding, if they cannot be fixed in libhb, will implement a
				nasty but working cocoa solution */
			/* Update text field */
			string = [NSMutableString stringWithFormat: _( @"Encoding: task %d of %d, %.2f %%" ), p.job_cur, p.job_count, 100.0 * p.progress];
            
			if( p.seconds > -1 )
            {
                [string appendFormat:
                    _( @" (%.2f fps, avg %.2f fps, ETA %02dh%02dm%02ds)" ),
                    p.rate_cur, p.rate_avg, p.hours, p.minutes, p.seconds];
            }
            [fStatusField setStringValue: string];
			
            /* Update slider */
			progress_total = ( p.progress + p.job_cur - 1 ) / p.job_count;
            [fRipIndicator setIndeterminate: NO];
            [fRipIndicator setDoubleValue: 100.0 * progress_total];
			
            // If progress bar hasn't been revealed at the bottom of the window, do
            // that now. This code used to be in doRip. I moved it to here to handle
            // the case where hb_start is called by HBQueueController and not from
            // HBController.
            if (!fRipIndicatorShown)
            {
                NSRect frame = [fWindow frame];
                if (frame.size.width <= 591)
                    frame.size.width = 591;
                frame.size.height += 36;
                frame.origin.y -= 36;
                [fWindow setFrame:frame display:YES animate:YES];
                fRipIndicatorShown = YES;
                /* We check to see if we need to warn the user that the computer will go to sleep
                   or shut down when encoding is finished */
                [self remindUserOfSleepOrShutdown];
            }

            /* Update dock icon */
            [self UpdateDockIcon: progress_total];
			
            // Has current job changed? That means the queue has probably changed as
			// well so update it
            [fQueueController libhbStateChanged: s];
            
            break;
        }
#undef p
			
#define p s.param.muxing
        case HB_STATE_MUXING:
        {
            NSMutableString * string;
			
            /* Update text field */
            string = [NSMutableString stringWithFormat:
                _( @"Muxing..." )];
            [fStatusField setStringValue: string];
			
            /* Update slider */
            [fRipIndicator setIndeterminate: YES];
            [fRipIndicator startAnimation: nil];
			
            /* Update dock icon */
            [self UpdateDockIcon: 1.0];
			
			// Pass along the info to HBQueueController
            [fQueueController libhbStateChanged: s];
			
            break;
        }
#undef p
			
        case HB_STATE_PAUSED:
		    [fStatusField setStringValue: _( @"Paused" )];
            
			// Pass along the info to HBQueueController
            [fQueueController libhbStateChanged: s];

            break;
			
        case HB_STATE_WORKDONE:
        {
            // HB_STATE_WORKDONE happpens as a result of libhb finishing all its jobs
            // or someone calling hb_stop. In the latter case, hb_stop does not clear
            // out the remaining passes/jobs in the queue. We'll do that here.
                        
            // Delete all remaining jobs of this encode.
            hb_job_t * job;
            while( ( job = hb_job( fHandle, 0 ) ) && ( !IsFirstPass(job->sequence_id) ) )
                hb_rem( fHandle, job );

            [fStatusField setStringValue: _( @"Done." )];
            [fRipIndicator setIndeterminate: NO];
            [fRipIndicator setDoubleValue: 0.0];
            [toolbar validateVisibleItems];

            /* Restore dock icon */
            [self UpdateDockIcon: -1.0];

            if (fRipIndicatorShown)
            {
                NSRect frame = [fWindow frame];
                if (frame.size.width <= 591)
				    frame.size.width = 591;
                frame.size.height += -36;
                frame.origin.y -= -36;
                [fWindow setFrame:frame display:YES animate:YES];
				fRipIndicatorShown = NO;
			}
			
			// Pass along the info to HBQueueController
            [fQueueController libhbStateChanged: s];
			
            /* Check to see if the encode state has not been cancelled
				to determine if we should check for encode done notifications */
			if (fEncodeState != 2) 			{
				/* If Growl Notification or Window and Growl has been selected */
				if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Growl Notification"] || 
					[[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Alert Window And Growl"])
                {
					/*Growl Notification*/
					[self showGrowlDoneNotification: NULL];
                }
                /* If Alert Window or Window and Growl has been selected */
				if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Alert Window"] || 
					[[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Alert Window And Growl"])
                {
					/*On Screen Notification*/
					int status;
					NSBeep();
					status = NSRunAlertPanel(@"Put down that cocktail...",@"Your HandBrake encode is done!", @"OK", nil, nil);
					[NSApp requestUserAttention:NSCriticalRequest];
					if ( status == NSAlertDefaultReturn ) 
					{
						[self enableUI: YES];
					}
                }
				else
				{
					[self enableUI: YES];
				}
			           /* If sleep has been selected */ 
            if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Put Computer To Sleep"]) 
                { 
               /* Sleep */ 
               NSDictionary* errorDict; 
               NSAppleEventDescriptor* returnDescriptor = NULL; 
               NSAppleScript* scriptObject = [[NSAppleScript alloc] initWithSource: 
                        @"tell application \"Finder\" to sleep"]; 
               returnDescriptor = [scriptObject executeAndReturnError: &errorDict]; 
               [scriptObject release]; 
               [self enableUI: YES]; 
                } 
            /* If Shutdown has been selected */ 
            if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Shut Down Computer"]) 
                { 
               /* Shut Down */ 
               NSDictionary* errorDict; 
               NSAppleEventDescriptor* returnDescriptor = NULL; 
               NSAppleScript* scriptObject = [[NSAppleScript alloc] initWithSource: 
                        @"tell application \"Finder\" to shut down"]; 
               returnDescriptor = [scriptObject executeAndReturnError: &errorDict]; 
               [scriptObject release]; 
               [self enableUI: YES]; 
                }
			
						// MetaX insertion via AppleScript
			if([[NSUserDefaults standardUserDefaults] boolForKey: @"sendToMetaX"] == YES)
			{
			NSAppleScript *myScript = [[NSAppleScript alloc] initWithSource: [NSString stringWithFormat: @"%@%@%@", @"tell application \"MetaX\" to open (POSIX file \"", [fDstFile2Field stringValue], @"\")"]];
			[myScript executeAndReturnError: nil];
			[myScript release];
			}
			
			
			}
			else
			{
				[self enableUI: YES];
			}
            break;
        }
    }
	
    /* Lets show the queue status here in the main window */
	int queue_count = [fQueueController pendingCount];
	if( queue_count == 1)
		[fQueueStatus setStringValue: _( @"1 encode queued") ];
    else if (queue_count > 1)
		[fQueueStatus setStringValue: [NSString stringWithFormat: _( @"%d encodes queued" ), queue_count]];
	else
		[fQueueStatus setStringValue: @""];
}

/* We use this to write messages to stderr from the macgui which show up in the activity window and log*/
- (void) writeToActivityLog:(char *) format, ...
{
    va_list args;
    va_start(args, format);
    if (format != nil)
    {
        char str[1024];
        vsnprintf( str, 1024, format, args );

        time_t _now = time( NULL );
        struct tm * now  = localtime( &_now );
        fprintf(stderr, "[%02d:%02d:%02d] macgui: %s\n", now->tm_hour, now->tm_min, now->tm_sec, str );
    }
    va_end(args);
}

#pragma mark -
#pragma mark Toolbar
// ============================================================
// NSToolbar Related Methods
// ============================================================

- (void) setupToolbar {
    toolbar = [[[NSToolbar alloc] initWithIdentifier: @"HandBrake Toolbar"] autorelease];
    
    [toolbar setAllowsUserCustomization: YES];
    [toolbar setAutosavesConfiguration: YES];
    [toolbar setDisplayMode: NSToolbarDisplayModeIconAndLabel];
    
    [toolbar setDelegate: self];
    
    [fWindow setToolbar: toolbar];
}

- (NSToolbarItem *) toolbar: (NSToolbar *)toolbar itemForItemIdentifier:
    (NSString *) itemIdent willBeInsertedIntoToolbar:(BOOL) willBeInserted {
    NSToolbarItem * item = [[NSToolbarItem alloc] initWithItemIdentifier: itemIdent];
    
    if ([itemIdent isEqualToString: ToggleDrawerIdentifier])
    {
        [item setLabel: @"Toggle Presets"];
        [item setPaletteLabel: @"Toggler Presets"];
        [item setToolTip: @"Open/Close Preset Drawer"];
        [item setImage: [NSImage imageNamed: @"Drawer"]];
        [item setTarget: self];
        [item setAction: @selector(toggleDrawer:)];
        [item setAutovalidates: NO];
    }
    else if ([itemIdent isEqualToString: StartEncodingIdentifier])
    {
        [item setLabel: @"Start"];
        [item setPaletteLabel: @"Start Encoding"];
        [item setToolTip: @"Start Encoding"];
        [item setImage: [NSImage imageNamed: @"Play"]];
        [item setTarget: self];
        [item setAction: @selector(Rip:)];
    }
    else if ([itemIdent isEqualToString: ShowQueueIdentifier])
    {
        [item setLabel: @"Show Queue"];
        [item setPaletteLabel: @"Show Queue"];
        [item setToolTip: @"Show Queue"];
        [item setImage: [NSImage imageNamed: @"Queue"]];
        [item setTarget: self];
        [item setAction: @selector(showQueueWindow:)];
        [item setAutovalidates: NO];
    }
    else if ([itemIdent isEqualToString: AddToQueueIdentifier])
    {
        [item setLabel: @"Add to Queue"];
        [item setPaletteLabel: @"Add to Queue"];
        [item setToolTip: @"Add to Queue"];
        [item setImage: [NSImage imageNamed: @"AddToQueue"]];
        [item setTarget: self];
        [item setAction: @selector(addToQueue:)];
    }
    else if ([itemIdent isEqualToString: PauseEncodingIdentifier])
    {
        [item setLabel: @"Pause"];
        [item setPaletteLabel: @"Pause Encoding"];
        [item setToolTip: @"Pause Encoding"];
        [item setImage: [NSImage imageNamed: @"Pause"]];
        [item setTarget: self];
        [item setAction: @selector(Pause:)];
    }
    else if ([itemIdent isEqualToString: ShowActivityIdentifier]) {
        [item setLabel: @"Activity Window"];
        [item setPaletteLabel: @"Show Activity Window"];
        [item setToolTip: @"Show Activity Window"];
        [item setImage: [NSImage imageNamed: @"ActivityWindow"]];
        [item setTarget: self];
        [item setAction: @selector(showDebugOutputPanel:)];
        [item setAutovalidates: NO];
    }
    else if ([itemIdent isEqualToString: ChooseSourceIdentifier])
    {
        [item setLabel: @"Source"];
        [item setPaletteLabel: @"Source"];
        [item setToolTip: @"Choose Video Source"];
        [item setImage: [NSImage imageNamed: @"Source"]];
        [item setTarget: self];
        [item setAction: @selector(browseSources:)];
    }
    else
    {
        [item release];
        return nil;
    }

    return item;
}

- (NSArray *) toolbarDefaultItemIdentifiers: (NSToolbar *) toolbar
{
    return [NSArray arrayWithObjects: ChooseSourceIdentifier, NSToolbarSeparatorItemIdentifier, StartEncodingIdentifier,
        PauseEncodingIdentifier, AddToQueueIdentifier, ShowQueueIdentifier, NSToolbarFlexibleSpaceItemIdentifier, 
		NSToolbarSpaceItemIdentifier, ShowActivityIdentifier, ToggleDrawerIdentifier, nil];
}

- (NSArray *) toolbarAllowedItemIdentifiers: (NSToolbar *) toolbar
{
    return [NSArray arrayWithObjects:  StartEncodingIdentifier, PauseEncodingIdentifier, AddToQueueIdentifier,
        ChooseSourceIdentifier, ShowQueueIdentifier, ShowActivityIdentifier, ToggleDrawerIdentifier,
        NSToolbarCustomizeToolbarItemIdentifier, NSToolbarFlexibleSpaceItemIdentifier,
        NSToolbarSpaceItemIdentifier, NSToolbarSeparatorItemIdentifier, nil];
}

- (BOOL) validateToolbarItem: (NSToolbarItem *) toolbarItem
{
    NSString * ident = [toolbarItem itemIdentifier];
        
    if (fHandle)
    {
        hb_state_t s;
        hb_get_state2( fHandle, &s );
        
        if (s.state == HB_STATE_WORKING || s.state == HB_STATE_MUXING)
        {
            if ([ident isEqualToString: StartEncodingIdentifier])
            {
                [toolbarItem setImage: [NSImage imageNamed: @"Stop"]];
                [toolbarItem setLabel: @"Stop"];
                [toolbarItem setPaletteLabel: @"Stop"];
                [toolbarItem setToolTip: @"Stop Encoding"];
                return YES;
            }
            if ([ident isEqualToString: PauseEncodingIdentifier])
            {
                [toolbarItem setImage: [NSImage imageNamed: @"Pause"]];
                [toolbarItem setLabel: @"Pause"];
                [toolbarItem setPaletteLabel: @"Pause Encoding"];
                [toolbarItem setToolTip: @"Pause Encoding"];
                return YES;
            }
            if (SuccessfulScan)
                if ([ident isEqualToString: AddToQueueIdentifier])
                    return YES;
        }
        else if (s.state == HB_STATE_PAUSED)
        {
            if ([ident isEqualToString: PauseEncodingIdentifier])
            {
                [toolbarItem setImage: [NSImage imageNamed: @"Play"]];
                [toolbarItem setLabel: @"Resume"];
                [toolbarItem setPaletteLabel: @"Resume Encoding"];
                [toolbarItem setToolTip: @"Resume Encoding"];
                return YES;
            }
            if ([ident isEqualToString: StartEncodingIdentifier])
                return YES;
            if ([ident isEqualToString: AddToQueueIdentifier])
                return YES;
        }
        else if (s.state == HB_STATE_SCANNING)
            return NO;
        else if (s.state == HB_STATE_WORKDONE || s.state == HB_STATE_SCANDONE || SuccessfulScan)
        {
            if ([ident isEqualToString: StartEncodingIdentifier])
            {
                [toolbarItem setImage: [NSImage imageNamed: @"Play"]];
                if (hb_count(fHandle) > 0)
                    [toolbarItem setLabel: @"Start Queue"];
                else
                    [toolbarItem setLabel: @"Start"];
                [toolbarItem setPaletteLabel: @"Start Encoding"];
                [toolbarItem setToolTip: @"Start Encoding"];
                return YES;
            }
            if ([ident isEqualToString: AddToQueueIdentifier])
                return YES;
        }

    }
    
    if ([ident isEqualToString: ShowQueueIdentifier])
        return YES;
    if ([ident isEqualToString: ToggleDrawerIdentifier])
        return YES;
    if ([ident isEqualToString: ChooseSourceIdentifier])
        return YES;
    if ([ident isEqualToString: ShowActivityIdentifier])
        return YES;
    
    return NO;
}

- (BOOL) validateMenuItem: (NSMenuItem *) menuItem
{
    SEL action = [menuItem action];
    
    hb_state_t s;
    hb_get_state2( fHandle, &s );
    
    if (fHandle)
    {
        if (action == @selector(addToQueue:) || action == @selector(showPicturePanel:) || action == @selector(showAddPresetPanel:))
            return SuccessfulScan && [fWindow attachedSheet] == nil;
        
        if (action == @selector(browseSources:))
        {
            if (s.state == HB_STATE_SCANNING)
                return NO;
            else
                return [fWindow attachedSheet] == nil;
        }
        if (action == @selector(selectDefaultPreset:))
            return [fPresetsOutlineView selectedRow] >= 0 && [fWindow attachedSheet] == nil;
        if (action == @selector(Pause:))
        {
            if (s.state == HB_STATE_WORKING)
            {
                if(![[menuItem title] isEqualToString:@"Pause Encoding"])
                    [menuItem setTitle:@"Pause Encoding"];
                return YES;
            }
            else if (s.state == HB_STATE_PAUSED)
            {
                if(![[menuItem title] isEqualToString:@"Resume Encoding"])
                    [menuItem setTitle:@"Resume Encoding"];
                return YES;
            }
            else
                return NO;
        }
        if (action == @selector(Rip:))
            if (s.state == HB_STATE_WORKING || s.state == HB_STATE_MUXING || s.state == HB_STATE_PAUSED)
            {
                if(![[menuItem title] isEqualToString:@"Stop Encoding"])
                    [menuItem setTitle:@"Stop Encoding"];
                return YES;
            }
            else if (SuccessfulScan)
            {
                if(![[menuItem title] isEqualToString:@"Start Encoding"])
                    [menuItem setTitle:@"Start Encoding"];
                return [fWindow attachedSheet] == nil;
            }
            else
                return NO;
        }
    
    return YES;
}

#pragma mark -
#pragma mark Growl
// register a test notification and make
// it enabled by default
#define SERVICE_NAME @"Encode Done"
- (NSDictionary *)registrationDictionaryForGrowl 
{ 
    NSDictionary *registrationDictionary = [NSDictionary dictionaryWithObjectsAndKeys: 
    [NSArray arrayWithObjects:SERVICE_NAME,nil], GROWL_NOTIFICATIONS_ALL, 
    [NSArray arrayWithObjects:SERVICE_NAME,nil], GROWL_NOTIFICATIONS_DEFAULT, 
    nil]; 

    return registrationDictionary; 
} 

-(IBAction)showGrowlDoneNotification:(id)sender
{
  [GrowlApplicationBridge 
            notifyWithTitle:@"Put down that cocktail..." 
                description:@"your HandBrake encode is done!" 
           notificationName:SERVICE_NAME
                   iconData:nil 
                   priority:0 
                   isSticky:1 
               clickContext:nil];
}

#pragma mark -
#pragma mark Get New Source

/*Opens the source browse window, called from Open Source widgets */
- (IBAction) browseSources: (id) sender
{
    [self enableUI: NO];
    NSOpenPanel * panel;
	
    panel = [NSOpenPanel openPanel];
    [panel setAllowsMultipleSelection: NO];
    [panel setCanChooseFiles: YES];
    [panel setCanChooseDirectories: YES ];
    NSString * sourceDirectory;
	if ([[NSUserDefaults standardUserDefaults] stringForKey:@"LastSourceDirectory"])
	{
		sourceDirectory = [[NSUserDefaults standardUserDefaults] stringForKey:@"LastSourceDirectory"];
	}
	else
	{
		sourceDirectory = @"~/Desktop";
		sourceDirectory = [sourceDirectory stringByExpandingTildeInPath];
	}
    /* we open up the browse sources sheet here and call for browseSourcesDone after the sheet is closed
        * to evaluate whether we want to specify a title, we pass the sender in the contextInfo variable
        */
    [panel beginSheetForDirectory: sourceDirectory file: nil types: nil
                   modalForWindow: fWindow modalDelegate: self
                   didEndSelector: @selector( browseSourcesDone:returnCode:contextInfo: )
                      contextInfo: sender]; 
}

- (void) browseSourcesDone: (NSOpenPanel *) sheet
                returnCode: (int) returnCode contextInfo: (void *) contextInfo
{
    /* we convert the sender content of contextInfo back into a variable called sender
     * mostly just for consistency for evaluation later
     */
    id sender = (id)contextInfo;
    /* User selected a file to open */
	if( returnCode == NSOKButton )
    {
            /* Free display name allocated previously by this code */
        [browsedSourceDisplayName release];
       
        NSString *scanPath = [[sheet filenames] objectAtIndex: 0];
        /* we set the last searched source directory in the prefs here */
        NSString *sourceDirectory = [scanPath stringByDeletingLastPathComponent];
        [[NSUserDefaults standardUserDefaults] setObject:sourceDirectory forKey:@"LastSourceDirectory"];
        /* we order out sheet, which is the browse window as we need to open
         * the title selection sheet right away
         */
        [sheet orderOut: self];
        
        if (sender == fOpenSourceTitleMMenu)
        {
            /* We put the chosen source path in the source display text field for the
             * source title selection sheet in which the user specifies the specific title to be
             * scanned  as well as the short source name in fSrcDsplyNameTitleScan just for display
             * purposes in the title panel
             */
            /* Full Path */
            [fScanSrcTitlePathField setStringValue: [NSString stringWithFormat:@"%@", scanPath]];
            NSString *displayTitlescanSourceName;
            
            if ([[scanPath lastPathComponent] isEqualToString: @"VIDEO_TS"])
            {
                /* If VIDEO_TS Folder is chosen, choose its parent folder for the source display name 
                 we have to use the title->dvd value so we get the proper name of the volume if a physical dvd is the source*/
                displayTitlescanSourceName = [NSString stringWithFormat:[[scanPath stringByDeletingLastPathComponent] lastPathComponent]];
            }
            else
            {
                /* if not the VIDEO_TS Folder, we can assume the chosen folder is the source name */
                displayTitlescanSourceName = [NSString stringWithFormat:[scanPath lastPathComponent]];
            }
            /* we set the source display name in the title selection dialogue */
            [fSrcDsplyNameTitleScan setStringValue: [NSString stringWithFormat:@"%@", displayTitlescanSourceName]];
            /* we set the attempted scans display name for main window to displayTitlescanSourceName*/
            browsedSourceDisplayName = [displayTitlescanSourceName retain];
            /* We show the actual sheet where the user specifies the title to be scanned 
             * as we are going to do a title specific scan
             */
            [self showSourceTitleScanPanel:NULL];
        }
        else
        {
            /* We are just doing a standard full source scan, so we specify "0" to libhb */
            NSString *path = [[sheet filenames] objectAtIndex: 0];
            
            /* We check to see if the chosen file at path is a package */
            if ([[NSWorkspace sharedWorkspace] isFilePackageAtPath:path])
            {
                [self writeToActivityLog: "trying to open a package at: %s", [path UTF8String]];
                /* We check to see if this is an .eyetv package */
                if ([[path pathExtension] isEqualToString: @"eyetv"])
                {
                    [self writeToActivityLog:"trying to open eyetv package"];
                    /* We're looking at an EyeTV package - try to open its enclosed
                     .mpg media file */
                     browsedSourceDisplayName = [[NSString stringWithFormat:@"%@",[[path stringByDeletingPathExtension] lastPathComponent]] retain];
                    NSString *mpgname;
                    int n = [[path stringByAppendingString: @"/"]
                             completePathIntoString: &mpgname caseSensitive: NO
                             matchesIntoArray: nil
                             filterTypes: [NSArray arrayWithObject: @"mpg"]];
                    if (n > 0)
                    {
                        /* Found an mpeg inside the eyetv package, make it our scan path 
                        and call performScan on the enclosed mpeg */
                        path = mpgname;
                        [self writeToActivityLog:"found mpeg in eyetv package"];
                        [self performScan:path scanTitleNum:0];
                    }
                    else
                    {
                        /* We did not find an mpeg file in our package, so we do not call performScan */
                        [self writeToActivityLog:"no valid mpeg in eyetv package"];
                    }
                }
                /* We check to see if this is a .dvdmedia package */
                else if ([[path pathExtension] isEqualToString: @"dvdmedia"])
                {
                    /* path IS a package - but dvdmedia packages can be treaded like normal directories */
                    browsedSourceDisplayName = [[NSString stringWithFormat:@"%@",[[path stringByDeletingPathExtension] lastPathComponent]] retain];
                    [self writeToActivityLog:"trying to open dvdmedia package"];
                    [self performScan:path scanTitleNum:0];
                }
                else 
                {
                    /* The package is not an eyetv package, so we do not call performScan */
                    [self writeToActivityLog:"unable to open package"];
                }
            }
            else // path is not a package, so we treat it as a dvd parent folder or VIDEO_TS folder 
            {
                /* path is not a package, so we call perform scan directly on our file */
                if ([[path lastPathComponent] isEqualToString: @"VIDEO_TS"])
                {
                    [self writeToActivityLog:"trying to open video_ts folder (video_ts folder chosen)"];
                    /* If VIDEO_TS Folder is chosen, choose its parent folder for the source display name*/
                    browsedSourceDisplayName = [[NSString stringWithFormat:@"%@",[[path stringByDeletingLastPathComponent] lastPathComponent]] retain];
                }
                else
                {
                    [self writeToActivityLog:"trying to open video_ts folder (parent directory chosen)"];
                    /* if not the VIDEO_TS Folder, we can assume the chosen folder is the source name */
                    browsedSourceDisplayName = [[NSString stringWithFormat:@"%@",[path lastPathComponent]] retain];
                }
                [self performScan:path scanTitleNum:0];
            }
            
        }
        
    }
    else // User clicked Cancel in browse window
    {
        /* if we have a title loaded up */
        if ([[fSrcDVD2Field stringValue] length] > 0)
        {
            [self enableUI: YES];
        }
    }
}

/* Here we open the title selection sheet where we can specify an exact title to be scanned */
- (IBAction) showSourceTitleScanPanel: (id) sender
{
    /* We default the title number to be scanned to "0" which results in a full source scan, unless the
    * user changes it
    */
    [fScanSrcTitleNumField setStringValue: @"0"];
	/* Show the panel */
	[NSApp beginSheet: fScanSrcTitlePanel modalForWindow: fWindow modalDelegate: NULL didEndSelector: NULL contextInfo: NULL];
}

- (IBAction) closeSourceTitleScanPanel: (id) sender
{
    [NSApp endSheet: fScanSrcTitlePanel];
    [fScanSrcTitlePanel orderOut: self];
    
    
    
    if(sender == fScanSrcTitleOpenButton)
    {
        /* We setup the scan status in the main window to indicate a source title scan */
        [fSrcDVD2Field setStringValue: @"Opening a new source title ..."];
		[fScanIndicator setHidden: NO];
        [fScanIndicator setIndeterminate: YES];
        [fScanIndicator startAnimation: nil];
		
        /* We use the performScan method to actually perform the specified scan passing the path and the title
            * to be scanned
            */
        [self performScan:[fScanSrcTitlePathField stringValue] scanTitleNum:[fScanSrcTitleNumField intValue]];
    }
}


/* Here we actually tell hb_scan to perform the source scan, using the path to source and title number*/
- (void) performScan:(NSString *) scanPath scanTitleNum: (int) scanTitleNum
{
    /* use a bool to determine whether or not we can decrypt using vlc */
    BOOL cancelScanDecrypt = 0;
    NSString *path = scanPath;
    HBDVDDetector *detector = [HBDVDDetector detectorForPath:path];
    if( [detector isVideoDVD] )
    {
        // The chosen path was actually on a DVD, so use the raw block
        // device path instead.
        path = [detector devicePath];
        [self writeToActivityLog: "trying to open a physical dvd at: %s", [scanPath UTF8String]];
        
        /* lets check for vlc here to make sure we have a dylib available to use for decrypting */
        NSString *vlcPath = @"/Applications/VLC.app";
        NSFileManager * fileManager = [NSFileManager defaultManager];
	    if ([fileManager fileExistsAtPath:vlcPath] == 0) 
	    {
            /*vlc not found in /Applications so we set the bool to cancel scanning to 1 */
            cancelScanDecrypt = 1;
            [self writeToActivityLog: "VLC app not found for decrypting physical dvd"];
            int status;
            status = NSRunAlertPanel(@"HandBrake could not find VLC.",@"Please download and install VLC media player in your /Applications folder if you wish to read encrypted DVDs.", @"Get VLC", @"Cancel Scan", @"Attempt Scan Anyway");
            [NSApp requestUserAttention:NSCriticalRequest];
            
            if (status == NSAlertDefaultReturn)
            {
                /* User chose to go download vlc (as they rightfully should) so we send them to the vlc site */
                [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"http://www.videolan.org/"]];
            }
            else if (status == NSAlertAlternateReturn)
            {
            /* User chose to cancel the scan */
            [self writeToActivityLog: "cannot open physical dvd , scan cancelled"];
            }
            else
            {
            /* User chose to override our warning and scan the physical dvd anyway, at their own peril. on an encrypted dvd this produces massive log files and fails */
            cancelScanDecrypt = 0;
            [self writeToActivityLog: "user overrode vlc warning -trying to open physical dvd without decryption"];
            }
            
        }
        else
        {
            /* VLC was found in /Applications so all is well, we can carry on using vlc's libdvdcss.dylib for decrypting if needed */
            [self writeToActivityLog: "VLC app found for decrypting physical dvd"];
        }
        
    }
    
    
    
    if (cancelScanDecrypt == 0)
    {
        
        /* we actually pass the scan off to libhb here */
        /* If there is no title number passed to scan, we use "0"
         * which causes the default behavior of a full source scan
         */
        if (!scanTitleNum)
        {
            scanTitleNum = 0;
        }
        if (scanTitleNum > 0)
        {
            [self writeToActivityLog: "scanning specifically for title: %d", scanTitleNum];
        }
        hb_scan( fHandle, [path UTF8String], scanTitleNum );
        [fSrcDVD2Field setStringValue: [NSString stringWithFormat: @"Scanning new source ..."]];
    }
    else
    {
            /* if we have a title loaded up */
        if ([[fSrcDVD2Field stringValue] length] > 0)
        {
            [self enableUI: YES];
        }
    }

    
}

- (IBAction) showNewScan:(id)sender
{
    hb_list_t  * list;
	hb_title_t * title;
	int indxpri=0; 	  // Used to search the longuest title (default in combobox)
	int longuestpri=0; // Used to search the longuest title (default in combobox)
	
	list = hb_get_titles( fHandle );
	
	if( !hb_list_count( list ) )
	{
		/* We display a message if a valid dvd source was not chosen */
		[fSrcDVD2Field setStringValue: @"No Valid Source Found"];
        SuccessfulScan = NO;
        
        // Notify ChapterTitles that there's no title
        [fChapterTitlesDelegate resetWithTitle:nil];
        [fChapterTable reloadData];
	}
	else
	{
        /* We increment the successful scancount here by one,
        which we use at the end of this function to tell the gui
        if this is the first successful scan since launch and whether
        or not we should set all settings to the defaults */
		
        currentSuccessfulScanCount++;
        
        [toolbar validateVisibleItems];
		
		[fSrcTitlePopUp removeAllItems];
		for( int i = 0; i < hb_list_count( list ); i++ )
		{
			title = (hb_title_t *) hb_list_item( list, i );
			
            currentSource = [NSString stringWithUTF8String: title->name];
            
            /*Set DVD Name at top of window with the browsedSourceDisplayName grokked right before -performScan */
			[fSrcDVD2Field setStringValue: [NSString stringWithFormat: @"%@",browsedSourceDisplayName]];
			
			/* Use the dvd name in the default output field here 
				May want to add code to remove blank spaces for some dvd names*/
			/* Check to see if the last destination has been set,use if so, if not, use Desktop */
			if ([[NSUserDefaults standardUserDefaults] stringForKey:@"LastDestinationDirectory"])
			{
				[fDstFile2Field setStringValue: [NSString stringWithFormat:
					@"%@/%@.mp4", [[NSUserDefaults standardUserDefaults] stringForKey:@"LastDestinationDirectory"],browsedSourceDisplayName]];
			}
			else
			{
				[fDstFile2Field setStringValue: [NSString stringWithFormat:
					@"%@/Desktop/%@.mp4", NSHomeDirectory(),browsedSourceDisplayName]];
			}
			
			if (longuestpri < title->hours*60*60 + title->minutes *60 + title->seconds)
			{
				longuestpri=title->hours*60*60 + title->minutes *60 + title->seconds;
				indxpri=i;
			}
			
			[self formatPopUpChanged:NULL];
			
            [fSrcTitlePopUp addItemWithTitle: [NSString
                stringWithFormat: @"%d - %02dh%02dm%02ds",
                title->index, title->hours, title->minutes,
                title->seconds]];
		}
        
		// Select the longuest title
		[fSrcTitlePopUp selectItemAtIndex: indxpri];
		[self titlePopUpChanged: NULL];
		
        SuccessfulScan = YES;
		[self enableUI: YES];
		
		/* if its the initial successful scan after awakeFromNib */
        if (currentSuccessfulScanCount == 1)
        {
            [self selectDefaultPreset: NULL];
            /* if Deinterlace upon launch is specified in the prefs, then set to 1 for "Fast",
             if not, then set to 0 for none */
            if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultDeinterlaceOn"] > 0)
            {
                [fPictureController setDeinterlace:1];
            }
            else
            {
                [fPictureController setDeinterlace:0];
            }
            /* lets set Denoise to index 0 or "None" since this is the first scan */
            [fPictureController setDenoise:0];
            
            [fPictureController setInitialPictureFilters];
        }
        
	}
}


#pragma mark -
#pragma mark New Output Destination

- (IBAction) browseFile: (id) sender
{
    /* Open a panel to let the user choose and update the text field */
    NSSavePanel * panel = [NSSavePanel savePanel];
	/* We get the current file name and path from the destination field here */
	[panel beginSheetForDirectory: [[fDstFile2Field stringValue] stringByDeletingLastPathComponent] file: [[fDstFile2Field stringValue] lastPathComponent]
				   modalForWindow: fWindow modalDelegate: self
				   didEndSelector: @selector( browseFileDone:returnCode:contextInfo: )
					  contextInfo: NULL];
}

- (void) browseFileDone: (NSSavePanel *) sheet
    returnCode: (int) returnCode contextInfo: (void *) contextInfo
{
    if( returnCode == NSOKButton )
    {
        [fDstFile2Field setStringValue: [sheet filename]];
    }
}


#pragma mark -
#pragma mark Main Window Control

- (IBAction) openMainWindow: (id) sender
{
    [fWindow  makeKeyAndOrderFront:nil];
}

- (BOOL) windowShouldClose: (id) sender
{
    return YES;
}

- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag
{
    if( !flag ) {
        [fWindow  makeKeyAndOrderFront:nil];
                
        return YES;
    }
    
    return NO;
}

#pragma mark -
#pragma mark Job Handling


- (void) prepareJob
{
    hb_list_t  * list  = hb_get_titles( fHandle );
    hb_title_t * title = (hb_title_t *) hb_list_item( list,
            [fSrcTitlePopUp indexOfSelectedItem] );
    hb_job_t * job = title->job;
    hb_audio_config_t * audio;

    /* Chapter selection */
    job->chapter_start = [fSrcChapterStartPopUp indexOfSelectedItem] + 1;
    job->chapter_end   = [fSrcChapterEndPopUp   indexOfSelectedItem] + 1;
	
    /* Format and codecs */
    int format = [fDstFormatPopUp indexOfSelectedItem];
    int codecs = [fDstCodecsPopUp indexOfSelectedItem];
    job->mux    = FormatSettings[format][codecs] & HB_MUX_MASK;
    job->vcodec = FormatSettings[format][codecs] & HB_VCODEC_MASK;


    /* If mpeg-4, then set mpeg-4 specific options like chapters and > 4gb file sizes */
	if ([fDstFormatPopUp indexOfSelectedItem] == 0)
	{
        /* We set the largeFileSize (64 bit formatting) variable here to allow for > 4gb files based on the format being
		mpeg4 and the checkbox being checked 
		*Note: this will break compatibility with some target devices like iPod, etc.!!!!*/
		if ([fDstMp4LargeFileCheck state] == NSOnState)
		{
			job->largeFileSize = 1;
		}
		else
		{
			job->largeFileSize = 0;
		}
        /* We set http optimized mp4 here */
        if ([fDstMp4HttpOptFileCheck state] == NSOnState)
		{
        job->mp4_optimize = 1;
        }
        else
        {
        job->mp4_optimize = 0;
        }
    }
	if ([fDstFormatPopUp indexOfSelectedItem] == 0 || [fDstFormatPopUp indexOfSelectedItem] == 1)
	{
	  /* We set the chapter marker extraction here based on the format being
		mpeg4 or mkv and the checkbox being checked */
		if ([fCreateChapterMarkers state] == NSOnState)
		{
			job->chapter_markers = 1;
		}
		else
		{
			job->chapter_markers = 0;
		}
	}
	if( ( job->vcodec & HB_VCODEC_FFMPEG ) &&
        [fVidEncoderPopUp indexOfSelectedItem] > 0 )
    {
        job->vcodec = HB_VCODEC_XVID;
    }
    if( job->vcodec & HB_VCODEC_X264 )
    {
		if ([fDstMp4iPodFileCheck state] == NSOnState)
	    {
            job->ipod_atom = 1;
		}
        else
        {
        job->ipod_atom = 0;
        }
		
		/* Set this flag to switch from Constant Quantizer(default) to Constant Rate Factor Thanks jbrjake
         Currently only used with Constant Quality setting*/
		if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultCrf"] > 0 && [fVidQualityMatrix selectedRow] == 2)
		{
	        job->crf = 1;
		}
		
		/* Below Sends x264 options to the core library if x264 is selected*/
		/* Lets use this as per Nyx, Thanks Nyx!*/
		job->x264opts = (char *)calloc(1024, 1); /* Fixme, this just leaks */
		/* Turbo first pass if two pass and Turbo First pass is selected */
		if( [fVidTwoPassCheck state] == NSOnState && [fVidTurboPassCheck state] == NSOnState )
		{
			/* pass the "Turbo" string to be appended to the existing x264 opts string into a variable for the first pass */
			NSString *firstPassOptStringTurbo = @":ref=1:subme=1:me=dia:analyse=none:trellis=0:no-fast-pskip=0:8x8dct=0:weightb=0";
			/* append the "Turbo" string variable to the existing opts string.
             Note: the "Turbo" string must be appended, not prepended to work properly*/
			NSString *firstPassOptStringCombined = [[fAdvancedOptions optionsString] stringByAppendingString:firstPassOptStringTurbo];
			strcpy(job->x264opts, [firstPassOptStringCombined UTF8String]);
		}
		else
		{
			strcpy(job->x264opts, [[fAdvancedOptions optionsString] UTF8String]);
		}
        
    }

    /* Video settings */
    if( [fVidRatePopUp indexOfSelectedItem] > 0 )
    {
        job->vrate      = 27000000;
        job->vrate_base = hb_video_rates[[fVidRatePopUp
            indexOfSelectedItem]-1].rate;
    }
    else
    {
        job->vrate      = title->rate;
        job->vrate_base = title->rate_base;
    }

    switch( [fVidQualityMatrix selectedRow] )
    {
        case 0:
            /* Target size.
               Bitrate should already have been calculated and displayed
               in fVidBitrateField, so let's just use it */
        case 1:
            job->vquality = -1.0;
            job->vbitrate = [fVidBitrateField intValue];
            break;
        case 2:
            job->vquality = [fVidQualitySlider floatValue];
            job->vbitrate = 0;
            break;
    }

    job->grayscale = ( [fVidGrayscaleCheck state] == NSOnState );

    /* Subtitle settings */
    job->subtitle = [fSubPopUp indexOfSelectedItem] - 2;

    /* Audio tracks and mixdowns */
    /* Lets make sure there arent any erroneous audio tracks in the job list, so lets make sure its empty*/
    for( int i = 0; i < hb_list_count(job->list_audio);i++)
    {
        hb_audio_t * temp_audio = (hb_audio_t*) hb_list_item( job->list_audio, 0 );
        hb_list_rem(job->list_audio, temp_audio);
    }
    /* Now lets add our new tracks to the audio list here */
    if ([fAudLang1PopUp indexOfSelectedItem] > 0)
    {
        /* First we copy the source audio structure (remember, in the popup 0 is "None" so we subtract 1 to match the list->audio*/
        //audio = (hb_audio_config_t *) hb_list_audio_config_item( title->list_audio, [fAudLang1PopUp indexOfSelectedItem] - 1);
        audio = (hb_audio_config_t *) calloc(1, sizeof(*audio));
        hb_audio_config_init(audio);
        audio->in.track = [fAudLang1PopUp indexOfSelectedItem] - 1;
        /* We go ahead and assign values to our audio->out.<properties> */
        audio->out.track = [fAudLang1PopUp indexOfSelectedItem] - 1;
        if ([[fAudTrack1MixPopUp titleOfSelectedItem] isEqualToString: @"AC3 Passthru"])
        {
        audio->out.codec = HB_ACODEC_AC3;
        audio->out.mixdown = HB_ACODEC_AC3;
        audio->out.bitrate = audio->in.bitrate / 1000; // we use the audio.in bitrate for passthru, / 1000 so it displays right.
        audio->out.samplerate = 48000;
        audio->out.dynamic_range_compression = 1.00;
        }
        else
        {
        audio->out.codec = FormatSettings[format][codecs] & HB_ACODEC_MASK;
        audio->out.mixdown = [[fAudTrack1MixPopUp selectedItem] tag];
        audio->out.bitrate = [[fAudBitratePopUp selectedItem] tag];
        audio->out.samplerate = hb_audio_rates[[fAudRatePopUp indexOfSelectedItem]].rate;
        audio->out.dynamic_range_compression = [fAudDrcField floatValue];
        }

        /* We add the newly modified audio track to job->list_audio */
        //hb_list_add(job->list_audio, audio );
        hb_audio_add( job, audio );
        free(audio);

        /*HACK: We use the format and codecs popups to determine if we should slide in the extra ac3 passthru track for the atv hybrid mp4 */
        if (format == 0 && codecs == 2 && audio->in.codec != HB_ACODEC_DCA) // if mp4 and aac + ac3 and input is NOT DTS (dts cannot be passed through as ac3)
        {
            //audio = (hb_audio_config_t *) hb_list_audio_config_item( title->list_audio, [fAudLang1PopUp indexOfSelectedItem] - 1 );
            audio = (hb_audio_config_t *) calloc(1, sizeof(*audio));
            hb_audio_config_init(audio);
            audio->in.track = [fAudLang1PopUp indexOfSelectedItem] - 1;
            /* We go ahead and assign values to our audio->out.<properties> */
            audio->out.track = [fAudLang1PopUp indexOfSelectedItem] - 1;
            audio->out.codec = HB_ACODEC_AC3;
            audio->out.codec = HB_ACODEC_AC3;
            audio->out.samplerate = 48000;
            audio->out.bitrate = audio->in.bitrate / 1000; // we use the audio.in bitrate for passthru, / 1000 do it displays right.
            audio->out.mixdown = HB_ACODEC_AC3;//<-- Lets manually set the mixdown int
            audio->out.dynamic_range_compression = 1.00;
            /* We add the newly modified audio track to job->list_audio */
            //hb_list_add(job->list_audio, audio );
            hb_audio_add( job, audio );
            free(audio);
        }

    }
    if ([fAudLang2PopUp indexOfSelectedItem] > 0)
    {
        /* First we copy the source audio structure (remember, in the popup 0 is "None" so we subtract 1 to match the list->audio*/
        //audio = (hb_audio_config_t *) hb_list_audio_config_item( title->list_audio, [fAudLang2PopUp indexOfSelectedItem] - 1 );
        /* Now we modify it according to the gui settings for the specified track number */
        audio = (hb_audio_config_t *) calloc(1, sizeof(*audio));
        hb_audio_config_init(audio);
        audio->in.track = [fAudLang2PopUp indexOfSelectedItem] - 1;
        /* We go ahead and assign values to our audio->out.<properties> */
        audio->out.track = [fAudLang2PopUp indexOfSelectedItem] - 1;
        if ([[fAudTrack2MixPopUp titleOfSelectedItem] isEqualToString: @"AC3 Passthru"])
        {
        audio->out.codec = HB_ACODEC_AC3;
        audio->out.mixdown = HB_ACODEC_AC3;
        audio->out.bitrate = audio->in.bitrate / 1000; // we use the audio.in bitrate for passthru, / 1000 so it displays right.
        audio->out.samplerate = 48000;
        }
        else
        {
        audio->out.codec = FormatSettings[format][codecs] & HB_ACODEC_MASK;
        audio->out.mixdown = [[fAudTrack2MixPopUp selectedItem] tag];
        audio->out.bitrate = [[fAudBitratePopUp selectedItem] tag];
        audio->out.samplerate = hb_audio_rates[[fAudRatePopUp indexOfSelectedItem]].rate;
        }
        audio->out.dynamic_range_compression = [fAudDrcField floatValue];
        /* We add the newly modified audio track to job->list_audio */
        //hb_list_add(job->list_audio, audio );
        hb_audio_add( job, audio );
        free(audio);

        /*HACK: We use the format and codecs popups to determine if we should slide in the extra ac3 passthru track for the atv hybrid mp4 */
        if (format == 0 && codecs == 2 && audio->in.codec != HB_ACODEC_DCA) // if mp4 and aac + ac3 and input is NOT DTS (dts cannot be passed through as ac3)
        {
            //audio = (hb_audio_config_t *) hb_list_audio_config_item( title->list_audio, [fAudLang2PopUp indexOfSelectedItem] - 1 );
            audio = (hb_audio_config_t *) calloc(1, sizeof(*audio));
            hb_audio_config_init(audio);
            audio->in.track = [fAudLang2PopUp indexOfSelectedItem] - 1;
            /* We go ahead and assign values to our audio->out.<properties> */
            audio->out.track = [fAudLang2PopUp indexOfSelectedItem] - 1;
            audio->out.codec = HB_ACODEC_AC3;
            audio->out.codec = HB_ACODEC_AC3;
            audio->out.samplerate = 48000;
            audio->out.bitrate = audio->in.bitrate / 1000; // we use the audio.in bitrate for passthru, / 1000 so it displays right.
            audio->out.mixdown = HB_ACODEC_AC3;//<-- Lets manually set the mixdown int
            audio->out.dynamic_range_compression = [fAudDrcField floatValue];
            /* We add the newly modified audio track to job->list_audio */
            //hb_list_add(job->list_audio, audio );
            hb_audio_add( job, audio );
            free(audio);
        }
    }

    
    /* set vfr according to the Picture Window */
    if ([fPictureController vfr])
    {
    job->vfr = 1;
    }
    else
    {
    job->vfr = 0;
    }
    
    /* Filters */ 
    job->filters = hb_list_init();
   
	/* Detelecine */
    if ([fPictureController detelecine])
    {
        hb_list_add( job->filters, &hb_filter_detelecine );
    }
   
    /* Deinterlace */
    if ([fPictureController deinterlace] == 1)
    {
        /* Run old deinterlacer fd by default */
        hb_filter_deinterlace.settings = "-1"; 
        hb_list_add( job->filters, &hb_filter_deinterlace );
    }
    else if ([fPictureController deinterlace] == 2)
    {
        /* Yadif mode 0 (without spatial deinterlacing.) */
        hb_filter_deinterlace.settings = "2"; 
        hb_list_add( job->filters, &hb_filter_deinterlace );            
    }
    else if ([fPictureController deinterlace] == 3)
    {
        /* Yadif (with spatial deinterlacing) */
        hb_filter_deinterlace.settings = "0"; 
        hb_list_add( job->filters, &hb_filter_deinterlace );            
    }
	
	/* Denoise */
	
	if ([fPictureController denoise] == 1) // Weak in popup
	{
		hb_filter_denoise.settings = "2:1:2:3"; 
        hb_list_add( job->filters, &hb_filter_denoise );	
	}
	else if ([fPictureController denoise] == 2) // Medium in popup
	{
		hb_filter_denoise.settings = "3:2:2:3"; 
        hb_list_add( job->filters, &hb_filter_denoise );	
	}
	else if ([fPictureController denoise] == 3) // Strong in popup
	{
		hb_filter_denoise.settings = "7:7:5:5"; 
        hb_list_add( job->filters, &hb_filter_denoise );	
	}
    
    /* Deblock  (uses pp7 default) */
    if ([fPictureController deblock])
    {
        hb_list_add( job->filters, &hb_filter_deblock );
    }

}



/* addToQueue: puts up an alert before ultimately calling doAddToQueue
*/
- (IBAction) addToQueue: (id) sender
{
	/* We get the destination directory from the destination field here */
	NSString *destinationDirectory = [[fDstFile2Field stringValue] stringByDeletingLastPathComponent];
	/* We check for a valid destination here */
	if ([[NSFileManager defaultManager] fileExistsAtPath:destinationDirectory] == 0) 
	{
		NSRunAlertPanel(@"Warning!", @"This is not a valid destination directory!", @"OK", nil, nil);
        return;
	}

    /* We check for duplicate name here */
	if( [[NSFileManager defaultManager] fileExistsAtPath:
            [fDstFile2Field stringValue]] )
    {
        NSBeginCriticalAlertSheet( _( @"File already exists" ),
            _( @"Cancel" ), _( @"Overwrite" ), NULL, fWindow, self,
            @selector( overwriteAddToQueueAlertDone:returnCode:contextInfo: ),
            NULL, NULL, [NSString stringWithFormat:
            _( @"Do you want to overwrite %@?" ),
            [fDstFile2Field stringValue]] );
        // overwriteAddToQueueAlertDone: will be called when the alert is dismissed.
    }
    
    // Warn if another pending job in the queue has the same destination path
    else if ( ([fQueueController pendingJobGroupWithDestinationPath:[fDstFile2Field stringValue]] != nil)
            || ([[[fQueueController currentJobGroup] destinationPath] isEqualToString: [fDstFile2Field stringValue]]) )
    {
        NSBeginCriticalAlertSheet( _( @"Another queued encode has specified the same destination." ),
            _( @"Cancel" ), _( @"Overwrite" ), NULL, fWindow, self,
            @selector( overwriteAddToQueueAlertDone:returnCode:contextInfo: ),
            NULL, NULL, [NSString stringWithFormat:
            _( @"Do you want to overwrite %@?" ),
            [fDstFile2Field stringValue]] );
        // overwriteAddToQueueAlertDone: will be called when the alert is dismissed.
    }
    
    else
    {
        [self doAddToQueue];
    }
}

/* overwriteAddToQueueAlertDone: called from the alert posted by addToQueue that asks
   the user if they want to overwrite an exiting movie file.
*/
- (void) overwriteAddToQueueAlertDone: (NSWindow *) sheet
    returnCode: (int) returnCode contextInfo: (void *) contextInfo
{
    if( returnCode == NSAlertAlternateReturn )
        [self doAddToQueue];
}

- (void) doAddToQueue
{
    hb_list_t  * list  = hb_get_titles( fHandle );
    hb_title_t * title = (hb_title_t *) hb_list_item( list, [fSrcTitlePopUp indexOfSelectedItem] );
    hb_job_t * job = title->job;

    // Create a Queue Controller job group. Each job that we submit to libhb will also
    // get added to the job group so that the queue can track the jobs.
   HBJobGroup * jobGroup = [HBJobGroup jobGroup];
    // The job group can maintain meta data that libhb can not...
   [jobGroup setPresetName: [fPresetSelectedDisplay stringValue]];

    // Job groups require that each job within the group be assigned a unique id so
    // that the queue can xref between itself and the private jobs that libhb
    // maintains. The ID is composed a group id number and a "sequence" number. libhb
    // does not use this id.
   static int jobGroupID = 0;
   jobGroupID++;
    
    // A sequence number, starting at zero, is used to identifiy to each pass. This is
    // used by the queue UI to determine if a pass if the first pass of an encode.
    int sequenceNum = -1;
    
    [self prepareJob];

    /* Destination file */
    job->file = [[fDstFile2Field stringValue] UTF8String];

    if( [fSubForcedCheck state] == NSOnState )
        job->subtitle_force = 1;
    else
        job->subtitle_force = 0;

    /*
    * subtitle of -1 is a scan
    */
    if( job->subtitle == -1 )
    {
        char *x264opts_tmp;

        /*
        * When subtitle scan is enabled do a fast pre-scan job
        * which will determine which subtitles to enable, if any.
        */
        job->pass = -1;
        x264opts_tmp = job->x264opts;
        job->subtitle = -1;

        job->x264opts = NULL;

        job->indepth_scan = 1;  

        job->select_subtitle = (hb_subtitle_t**)malloc(sizeof(hb_subtitle_t*));
        *(job->select_subtitle) = NULL;

        /*
        * Add the pre-scan job
        */
        job->sequence_id = MakeJobID(jobGroupID, ++sequenceNum);
        hb_add( fHandle, job );
        [jobGroup addJob:[HBJob jobWithLibhbJob:job]];     // add this pass to the job group

        job->x264opts = x264opts_tmp;
    }
    else
        job->select_subtitle = NULL;

    /* No subtitle were selected, so reset the subtitle to -1 (which before
    * this point meant we were scanning
    */
    if( job->subtitle == -2 )
        job->subtitle = -1;

    if( [fVidTwoPassCheck state] == NSOnState )
    {
        hb_subtitle_t **subtitle_tmp = job->select_subtitle;
        job->indepth_scan = 0;

        /*
         * Do not autoselect subtitles on the first pass of a two pass
         */
        job->select_subtitle = NULL;
        
        job->pass = 1;
        job->sequence_id = MakeJobID(jobGroupID, ++sequenceNum);
        hb_add( fHandle, job );
        [jobGroup addJob:[HBJob jobWithLibhbJob:job]];     // add this pass to the job group

        job->pass = 2;
        job->sequence_id = MakeJobID(jobGroupID, ++sequenceNum);

        job->x264opts = (char *)calloc(1024, 1); /* Fixme, this just leaks */  
        strcpy(job->x264opts, [[fAdvancedOptions optionsString] UTF8String]);

        job->select_subtitle = subtitle_tmp;

        hb_add( fHandle, job );
        [jobGroup addJob:[HBJob jobWithLibhbJob:job]];     // add this pass to the job group
    }
    else
    {
        job->indepth_scan = 0;
        job->pass = 0;
        job->sequence_id = MakeJobID(jobGroupID, ++sequenceNum);
        hb_add( fHandle, job );
        [jobGroup addJob:[HBJob jobWithLibhbJob:job]];     // add this pass to the job group
    }
	
    NSString *destinationDirectory = [[fDstFile2Field stringValue] stringByDeletingLastPathComponent];
	[[NSUserDefaults standardUserDefaults] setObject:destinationDirectory forKey:@"LastDestinationDirectory"];
	
    // Let the queue controller know about the job group
    [fQueueController addJobGroup:jobGroup];
}

/* Rip: puts up an alert before ultimately calling doRip
*/
- (IBAction) Rip: (id) sender
{
    /* Rip or Cancel ? */
    hb_state_t s;
    hb_get_state2( fHandle, &s );

    if(s.state == HB_STATE_WORKING || s.state == HB_STATE_PAUSED)
	{
        [self Cancel: sender];
        return;
    }
    
    // If there are jobs in the queue, then this is a rip the queue
    
    if (hb_count( fHandle ) > 0)
    {
        [self doRip];
        return;
    }

    // Before adding jobs to the queue, check for a valid destination.

    NSString *destinationDirectory = [[fDstFile2Field stringValue] stringByDeletingLastPathComponent];
    if ([[NSFileManager defaultManager] fileExistsAtPath:destinationDirectory] == 0) 
    {
        NSRunAlertPanel(@"Warning!", @"This is not a valid destination directory!", @"OK", nil, nil);
        return;
    }

    /* We check for duplicate name here */
    if( [[NSFileManager defaultManager] fileExistsAtPath:[fDstFile2Field stringValue]] )
    {
        NSBeginCriticalAlertSheet( _( @"File already exists" ),
            _( @"Cancel" ), _( @"Overwrite" ), NULL, fWindow, self,
            @selector( overWriteAlertDone:returnCode:contextInfo: ),
            NULL, NULL, [NSString stringWithFormat:
            _( @"Do you want to overwrite %@?" ),
            [fDstFile2Field stringValue]] );
            
        // overWriteAlertDone: will be called when the alert is dismissed. It will call doRip.
    }
    else
    {
        /* if there are no jobs in the queue, then add this one to the queue and rip 
        otherwise, just rip the queue */
        if( hb_count( fHandle ) == 0)
        {
            [self doAddToQueue];
        }

        NSString *destinationDirectory = [[fDstFile2Field stringValue] stringByDeletingLastPathComponent];
        [[NSUserDefaults standardUserDefaults] setObject:destinationDirectory forKey:@"LastDestinationDirectory"];
        [self doRip];
    }
}

/* overWriteAlertDone: called from the alert posted by Rip: that asks the user if they
   want to overwrite an exiting movie file.
*/
- (void) overWriteAlertDone: (NSWindow *) sheet
    returnCode: (int) returnCode contextInfo: (void *) contextInfo
{
    if( returnCode == NSAlertAlternateReturn )
    {
        /* if there are no jobs in the queue, then add this one to the queue and rip 
        otherwise, just rip the queue */
        if( hb_count( fHandle ) == 0 )
        {
            [self doAddToQueue];
        }

        NSString *destinationDirectory = [[fDstFile2Field stringValue] stringByDeletingLastPathComponent];
        [[NSUserDefaults standardUserDefaults] setObject:destinationDirectory forKey:@"LastDestinationDirectory"];
        [self doRip];
    }
}

- (void) remindUserOfSleepOrShutdown
{
       if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Put Computer To Sleep"])
       {
               /*Warn that computer will sleep after encoding*/
               int reminduser;
               NSBeep();
               reminduser = NSRunAlertPanel(@"The computer will sleep after encoding is done.",@"You have selected to sleep the computer after encoding. To turn off sleeping, go to the HandBrake preferences.", @"OK", @"Preferences...", nil);
               [NSApp requestUserAttention:NSCriticalRequest];
               if ( reminduser == NSAlertAlternateReturn ) 
               {
                       [self showPreferencesWindow:NULL];
               }
       } 
       else if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Shut Down Computer"])
       {
               /*Warn that computer will shut down after encoding*/
               int reminduser;
               NSBeep();
               reminduser = NSRunAlertPanel(@"The computer will shut down after encoding is done.",@"You have selected to shut down the computer after encoding. To turn off shut down, go to the HandBrake preferences.", @"OK", @"Preferences...", nil);
               [NSApp requestUserAttention:NSCriticalRequest];
               if ( reminduser == NSAlertAlternateReturn ) 
               {
                       [self showPreferencesWindow:NULL];
               }
       }

}


- (void) doRip
{
    /* Let libhb do the job */
    hb_start( fHandle );
	/*set the fEncodeState State */
	fEncodeState = 1;
}




//------------------------------------------------------------------------------------
// Removes all jobs from the queue. Does not cancel the current processing job.
//------------------------------------------------------------------------------------
- (void) doDeleteQueuedJobs
{
    hb_job_t * job;
    while( ( job = hb_job( fHandle, 0 ) ) )
        hb_rem( fHandle, job );
}

//------------------------------------------------------------------------------------
// Cancels and deletes the current job and stops libhb from processing the remaining
// encodes.
//------------------------------------------------------------------------------------
- (void) doCancelCurrentJob
{
    // Stop the current job. hb_stop will only cancel the current pass and then set
    // its state to HB_STATE_WORKDONE. It also does this asynchronously. So when we
    // see the state has changed to HB_STATE_WORKDONE (in updateUI), we'll delete the
    // remaining passes of the job and then start the queue back up if there are any
    // remaining jobs.
     
    [fQueueController libhbWillStop];
    hb_stop( fHandle );
    fEncodeState = 2;   // don't alert at end of processing since this was a cancel
    
}

//------------------------------------------------------------------------------------
// Displays an alert asking user if the want to cancel encoding of current job.
// Cancel: returns immediately after posting the alert. Later, when the user
// acknowledges the alert, doCancelCurrentJob is called.
//------------------------------------------------------------------------------------
- (IBAction)Cancel: (id)sender
{
    if (!fHandle) return;
    
    HBJobGroup * jobGroup = [fQueueController currentJobGroup];
    if (!jobGroup) return;

    NSString * alertTitle = [NSString stringWithFormat:NSLocalizedString(@"Stop encoding %@?", nil),
            [jobGroup name]];
    
    // Which window to attach the sheet to?
    NSWindow * docWindow;
    if ([sender respondsToSelector: @selector(window)])
        docWindow = [sender window];
    else
        docWindow = fWindow;
        
    NSBeginCriticalAlertSheet(
            alertTitle,
            NSLocalizedString(@"Keep Encoding", nil),
            nil,
            NSLocalizedString(@"Stop Encoding", nil),
            docWindow, self,
            nil, @selector(didDimissCancelCurrentJob:returnCode:contextInfo:), nil,
            NSLocalizedString(@"Your movie will be lost if you don't continue encoding.", nil));
    
    // didDimissCancelCurrentJob:returnCode:contextInfo: will be called when the dialog is dismissed
}

- (void) didDimissCancelCurrentJob: (NSWindow *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
{
    if (returnCode == NSAlertOtherReturn)
        [self doCancelCurrentJob];  // <- this also stops libhb
}





- (IBAction) Pause: (id) sender
{
    hb_state_t s;
    hb_get_state2( fHandle, &s );

    if( s.state == HB_STATE_PAUSED )
    {
        hb_resume( fHandle );
    }
    else
    {
        hb_pause( fHandle );
    }
}

#pragma mark -
#pragma mark GUI Controls Changed Methods

- (IBAction) titlePopUpChanged: (id) sender
{
    hb_list_t  * list  = hb_get_titles( fHandle );
    hb_title_t * title = (hb_title_t*)
        hb_list_item( list, [fSrcTitlePopUp indexOfSelectedItem] );
		
		
    /* If Auto Naming is on. We create an output filename of dvd name - title number */
    if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultAutoNaming"] > 0)
	{
		[fDstFile2Field setStringValue: [NSString stringWithFormat:
			@"%@/%@-%d.%@", [[fDstFile2Field stringValue] stringByDeletingLastPathComponent],
			browsedSourceDisplayName,
			  title->index,
			[[fDstFile2Field stringValue] pathExtension]]];	
	}

    /* Update chapter popups */
    [fSrcChapterStartPopUp removeAllItems];
    [fSrcChapterEndPopUp   removeAllItems];
    for( int i = 0; i < hb_list_count( title->list_chapter ); i++ )
    {
        [fSrcChapterStartPopUp addItemWithTitle: [NSString
            stringWithFormat: @"%d", i + 1]];
        [fSrcChapterEndPopUp addItemWithTitle: [NSString
            stringWithFormat: @"%d", i + 1]];
    }
    [fSrcChapterStartPopUp selectItemAtIndex: 0];
    [fSrcChapterEndPopUp   selectItemAtIndex:
        hb_list_count( title->list_chapter ) - 1];
    [self chapterPopUpChanged: NULL];

/* Start Get and set the initial pic size for display */
	hb_job_t * job = title->job;
	fTitle = title; 

	/* Pixel Ratio Setting */
	if ([[NSUserDefaults standardUserDefaults] boolForKey:@"PixelRatio"])
    {
		job->pixel_ratio = 1 ;
	}
	else
	{
		job->pixel_ratio = 0 ;
	}
	/*Set Source Size Field Here */
    [fPicSettingsSrc setStringValue: [NSString stringWithFormat: @"%d x %d", fTitle->width, fTitle->height]];
	
	/* Set Auto Crop to on upon selecting a new title */
    [fPictureController setAutoCrop:YES];
    
	/* We get the originial output picture width and height and put them
	in variables for use with some presets later on */
	PicOrigOutputWidth = job->width;
	PicOrigOutputHeight = job->height;
	AutoCropTop = job->crop[0];
	AutoCropBottom = job->crop[1];
	AutoCropLeft = job->crop[2];
	AutoCropRight = job->crop[3];

	/* Run Through encoderPopUpChanged to see if there
		needs to be any pic value modifications based on encoder settings */
	//[self encoderPopUpChanged: NULL];
	/* END Get and set the initial pic size for display */ 

    /* Update subtitle popups */
    hb_subtitle_t * subtitle;
    [fSubPopUp removeAllItems];
    [fSubPopUp addItemWithTitle: @"None"];
    [fSubPopUp addItemWithTitle: @"Autoselect"];
    for( int i = 0; i < hb_list_count( title->list_subtitle ); i++ )
    {
        subtitle = (hb_subtitle_t *) hb_list_item( title->list_subtitle, i );

        /* We cannot use NSPopUpButton's addItemWithTitle because
           it checks for duplicate entries */
        [[fSubPopUp menu] addItemWithTitle: [NSString stringWithCString:
            subtitle->lang] action: NULL keyEquivalent: @""];
    }
    [fSubPopUp selectItemAtIndex: 0];
	
	[self subtitleSelectionChanged: NULL];
    
    /* Update chapter table */
    [fChapterTitlesDelegate resetWithTitle:title];
    [fChapterTable reloadData];

    /* Update audio popups */
    [self addAllAudioTracksToPopUp: fAudLang1PopUp];
    [self addAllAudioTracksToPopUp: fAudLang2PopUp];
    /* search for the first instance of our prefs default language for track 1, and set track 2 to "none" */
	NSString * audioSearchPrefix = [[NSUserDefaults standardUserDefaults] stringForKey:@"DefaultLanguage"];
        [self selectAudioTrackInPopUp: fAudLang1PopUp searchPrefixString: audioSearchPrefix selectIndexIfNotFound: 1];
    [self selectAudioTrackInPopUp: fAudLang2PopUp searchPrefixString: NULL selectIndexIfNotFound: 0];
	
	/* changing the title may have changed the audio channels on offer, */
	/* so call audioTrackPopUpChanged for both audio tracks to update the mixdown popups */
	[self audioTrackPopUpChanged: fAudLang1PopUp];
	[self audioTrackPopUpChanged: fAudLang2PopUp];
    
    /* We repopulate the Video Framerate popup and show the detected framerate along with "Same as Source"*/
    [fVidRatePopUp removeAllItems];
    if (fTitle->rate_base == 1126125) // 23.976 NTSC Film
    {
        [fVidRatePopUp addItemWithTitle: @"Same as source (23.976)"];
    }
    else if (fTitle->rate_base == 1080000) // 25 PAL Film/Video
    {
        [fVidRatePopUp addItemWithTitle: @"Same as source (25)"];
    }
    else if (fTitle->rate_base == 900900) // 29.97 NTSC Video
    {
        [fVidRatePopUp addItemWithTitle: @"Same as source (29.97)"];
    }
    else
    {
        /* if none of the common dvd source framerates is detected, just use "Same as source" */
        [fVidRatePopUp addItemWithTitle: @"Same as source"];
    }
	for( int i = 0; i < hb_video_rates_count; i++ )
    {
        if ([[NSString stringWithCString: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%.3f",23.976]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
				[NSString stringWithCString: hb_video_rates[i].string], @" (NTSC Film)"]];
		}
		else if ([[NSString stringWithCString: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%d",25]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
				[NSString stringWithCString: hb_video_rates[i].string], @" (PAL Film/Video)"]];
		}
		else if ([[NSString stringWithCString: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%.2f",29.97]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
				[NSString stringWithCString: hb_video_rates[i].string], @" (NTSC Video)"]];
		}
		else
		{
			[fVidRatePopUp addItemWithTitle:
				[NSString stringWithCString: hb_video_rates[i].string]];
		}
    }   
    [fVidRatePopUp selectItemAtIndex: 0];
    
    /* we run the picture size values through calculatePictureSizing to get all picture setting	information*/
	[self calculatePictureSizing: NULL];
    
   /* lets call tableViewSelected to make sure that any preset we have selected is enforced after a title change */
	[self selectPreset:NULL]; 
	
}

- (IBAction) chapterPopUpChanged: (id) sender
{
    
	/* If start chapter popup is greater than end chapter popup,
	we set the end chapter popup to the same as start chapter popup */
	if ([fSrcChapterStartPopUp indexOfSelectedItem] > [fSrcChapterEndPopUp indexOfSelectedItem])
	{
		[fSrcChapterEndPopUp selectItemAtIndex: [fSrcChapterStartPopUp indexOfSelectedItem]];
    }

		
	hb_list_t  * list  = hb_get_titles( fHandle );
    hb_title_t * title = (hb_title_t *)
        hb_list_item( list, [fSrcTitlePopUp indexOfSelectedItem] );

    hb_chapter_t * chapter;
    int64_t        duration = 0;
    for( int i = [fSrcChapterStartPopUp indexOfSelectedItem];
         i <= [fSrcChapterEndPopUp indexOfSelectedItem]; i++ )
    {
        chapter = (hb_chapter_t *) hb_list_item( title->list_chapter, i );
        duration += chapter->duration;
    }
    
    duration /= 90000; /* pts -> seconds */
    [fSrcDuration2Field setStringValue: [NSString stringWithFormat:
        @"%02lld:%02lld:%02lld", duration / 3600, ( duration / 60 ) % 60,
        duration % 60]];

    [self calculateBitrate: sender];
}

- (IBAction) formatPopUpChanged: (id) sender
{
    NSString * string = [fDstFile2Field stringValue];
    NSString * selectedCodecs = [fDstCodecsPopUp titleOfSelectedItem];
    int format = [fDstFormatPopUp indexOfSelectedItem];
    char * ext = NULL;
	/* Initially set the large file (64 bit formatting) output checkbox to hidden */
    [fDstMp4LargeFileCheck setHidden: YES];
    [fDstMp4HttpOptFileCheck setHidden: YES];
    [fDstMp4iPodFileCheck setHidden: YES];
    
    /* Update the codecs popup */
    [fDstCodecsPopUp removeAllItems];
    switch( format )
    {
        case 0:
			/*Get Default MP4 File Extension*/
			if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultMpegName"] > 0)
			{
				ext = "m4v";
			}
			else
			{
				ext = "mp4";
			}
            
            [fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / AAC Audio" )];
            [fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / AAC Audio" )];
            /* We add a new codecs entry which will allow the new aac/ ac3 hybrid */
            [fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / AAC + AC3 Audio" )];
            [fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / AC3 Audio" )];
			/* We enable the create chapters checkbox here since we are .mp4*/
			/* We show the mp4 option checkboxes here since we are mp4 */
            [fCreateChapterMarkers setEnabled: YES];
			[fDstMp4LargeFileCheck setHidden: NO];
			[fDstMp4HttpOptFileCheck setHidden: NO];
            [fDstMp4iPodFileCheck setHidden: NO];
            break;
            
        case 1:
            ext = "mkv";
            [fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / AAC Audio" )];
            [fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / AC-3 Audio" )];
			[fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / MP3 Audio" )];
			[fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / Vorbis Audio" )];
            
			[fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / AAC Audio" )];
			[fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / AC-3 Audio" )];
			[fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / MP3 Audio" )];
			[fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / Vorbis Audio" )];
            /* We enable the create chapters checkbox here */
			[fCreateChapterMarkers setEnabled: YES];
			break;
            
        case 2: 
            ext = "avi";
            [fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / MP3 Audio" )];
            [fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / AC-3 Audio" )];
            [fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / MP3 Audio" )];
            [fDstCodecsPopUp addItemWithTitle:_( @"AVC/H.264 Video / AC-3 Audio" )];
			/* We disable the create chapters checkbox here and make sure it is unchecked*/
			[fCreateChapterMarkers setEnabled: NO];
			[fCreateChapterMarkers setState: NSOffState];
			break;
            
        case 3:
            ext = "ogm";
            [fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / Vorbis Audio" )];
            [fDstCodecsPopUp addItemWithTitle:_( @"MPEG-4 Video / MP3 Audio" )];
            /* We disable the create chapters checkbox here and make sure it is unchecked*/
			[fCreateChapterMarkers setEnabled: NO];
			[fCreateChapterMarkers setState: NSOffState];
			break;
    }
    
    if ( SuccessfulScan ) {
        [fDstCodecsPopUp selectItemWithTitle:selectedCodecs];
        
        /* Add/replace to the correct extension */
        if( [string characterAtIndex: [string length] - 4] == '.' )
        {
            [fDstFile2Field setStringValue: [NSString stringWithFormat:
                @"%@.%s", [string substringToIndex: [string length] - 4],
                ext]];
        }
        else
        {
            [fDstFile2Field setStringValue: [NSString stringWithFormat:
                @"%@.%s", string, ext]];
        }
        
        if ( [fDstCodecsPopUp selectedItem] == NULL )
        {
            [fDstCodecsPopUp selectItemAtIndex:0];
            [self codecsPopUpChanged: NULL];
            
            /* changing the format may mean that we can / can't offer mono or 6ch, */
            /* so call audioTrackPopUpChanged for both audio tracks to update the mixdown popups */
            [self audioTrackPopUpChanged: fAudLang1PopUp];
            [self audioTrackPopUpChanged: fAudLang2PopUp];
            /* We call the method to properly enable/disable turbo 2 pass */
            [self twoPassCheckboxChanged: sender];
            /* We call method method to change UI to reflect whether a preset is used or not*/
        }
    }
    
    /* Lets check to see if we want to auto set the .m4v extension for mp4 */
    [self autoSetM4vExtension: sender];
	[self customSettingUsed: sender];	
}

- (IBAction) codecsPopUpChanged: (id) sender
{
    int format = [fDstFormatPopUp indexOfSelectedItem];
    int codecs = [fDstCodecsPopUp indexOfSelectedItem];
	
    [fAdvancedOptions setHidden:YES];

    /* Update the encoder popup*/
    if( ( FormatSettings[format][codecs] & HB_VCODEC_X264 ) )
    {
        /* MPEG-4 -> H.264 */
        [fVidEncoderPopUp removeAllItems];
		[fVidEncoderPopUp addItemWithTitle: @"x264"];
		[fVidEncoderPopUp selectItemAtIndex: 0];
        [fAdvancedOptions setHidden:NO];
        [self autoSetM4vExtension: sender];
    }
    
    else if( ( FormatSettings[format][codecs] & HB_VCODEC_FFMPEG ) )
    {
        /* H.264 -> MPEG-4 */
        [fVidEncoderPopUp removeAllItems];
        [fVidEncoderPopUp addItemWithTitle: @"FFmpeg"];
        [fVidEncoderPopUp addItemWithTitle: @"XviD"];
        [fVidEncoderPopUp selectItemAtIndex: 0];
				
    }

    if( FormatSettings[format][codecs] & HB_ACODEC_AC3 )
    {
        /* AC-3 pass-through: disable samplerate and bitrate */
        [fAudRatePopUp    setEnabled: NO];
        [fAudBitratePopUp setEnabled: NO];
    }
    else
    {
        [fAudRatePopUp    setEnabled: YES];
        [fAudBitratePopUp setEnabled: YES];
    }
    /* changing the codecs on offer may mean that we can / can't offer mono or 6ch, */
	/* so call audioTrackPopUpChanged for both audio tracks to update the mixdown popups */
	[self audioTrackPopUpChanged: fAudLang1PopUp];
	[self audioTrackPopUpChanged: fAudLang2PopUp];
	[self encoderPopUpChanged: sender];

}

- (IBAction) encoderPopUpChanged: (id) sender
{
    hb_job_t * job = fTitle->job;
    
    /* We need to set loose anamorphic as available depending on whether or not the ffmpeg encoder
    is being used as it borks up loose anamorphic .
    For convenience lets use the titleOfSelected index. Probably should revisit whether or not we want
    to use the index itself but this is easier */
    if ([fVidEncoderPopUp titleOfSelectedItem] == @"FFmpeg")
    {
        if (job->pixel_ratio == 2)
        {
            job->pixel_ratio = 0;
        }
        [fPictureController setAllowLooseAnamorphic:NO];
        /* We set the iPod atom checkbox to disabled and uncheck it as its only for x264 in the mp4
         container. Format is taken care of in formatPopUpChanged method by hiding and unchecking
         anything other than MP4.
         */ 
        [fDstMp4iPodFileCheck setEnabled: NO];
        [fDstMp4iPodFileCheck setState: NSOffState];
    }
    else
    {
        [fPictureController setAllowLooseAnamorphic:YES];
        [fDstMp4iPodFileCheck setEnabled: YES];
    }
    
	[self calculatePictureSizing: sender];
	[self twoPassCheckboxChanged: sender];
}


    /* if MP4 format and [fDstCodecsPopUp indexOfSelectedItem] > 1 we know that the audio is going to be
         * either aac + ac3 passthru, or just ac3 passthru so we need to make sure the output file extension is m4v
         * otherwise Quicktime will not play it at all */
- (IBAction) autoSetM4vExtension: (id) sender
{
        if ([fDstFormatPopUp indexOfSelectedItem] == 0 && [fDstCodecsPopUp indexOfSelectedItem] > 1)
        {
            NSString *newpath = [[[fDstFile2Field stringValue] stringByDeletingPathExtension] stringByAppendingPathExtension: @"m4v"];
            [fDstFile2Field setStringValue: [NSString stringWithFormat:
                                             @"%@", newpath]];
        }
}
/* Method to determine if we should change the UI
To reflect whether or not a Preset is being used or if
the user is using "Custom" settings by determining the sender*/
- (IBAction) customSettingUsed: (id) sender
{
	if ([sender stringValue] != NULL)
	{
		/* Deselect the currently selected Preset if there is one*/
		[fPresetsOutlineView deselectRow:[fPresetsOutlineView selectedRow]];
		[[fPresetsActionMenu itemAtIndex:0] setEnabled: NO];
		/* Change UI to show "Custom" settings are being used */
		[fPresetSelectedDisplay setStringValue: @"Custom"];
		
		curUserPresetChosenNum = nil;
	}

}


#pragma mark -
#pragma mark - Video

- (IBAction) twoPassCheckboxChanged: (id) sender
{
	/* check to see if x264 is chosen */
	int format = [fDstFormatPopUp indexOfSelectedItem];
    int codecs = [fDstCodecsPopUp indexOfSelectedItem];
	if( ( FormatSettings[format][codecs] & HB_VCODEC_X264 ) )
    {
		if( [fVidTwoPassCheck state] == NSOnState)
		{
			[fVidTurboPassCheck setHidden: NO];
		}
		else
		{
			[fVidTurboPassCheck setHidden: YES];
			[fVidTurboPassCheck setState: NSOffState];
		}
		/* Make sure Two Pass is checked if Turbo is checked */
		if( [fVidTurboPassCheck state] == NSOnState)
		{
			[fVidTwoPassCheck setState: NSOnState];
		}
	}
	else
	{
		[fVidTurboPassCheck setHidden: YES];
		[fVidTurboPassCheck setState: NSOffState];
	}
	
	/* We call method method to change UI to reflect whether a preset is used or not*/
	[self customSettingUsed: sender];
}

- (IBAction ) videoFrameRateChanged: (id) sender
{
    /* We call method method to calculatePictureSizing to error check detelecine*/
    [self calculatePictureSizing: sender];

    /* We call method method to change UI to reflect whether a preset is used or not*/
	[self customSettingUsed: sender];
}
- (IBAction) videoMatrixChanged: (id) sender;
{
    bool target, bitrate, quality;

    target = bitrate = quality = false;
    if( [fVidQualityMatrix isEnabled] )
    {
        switch( [fVidQualityMatrix selectedRow] )
        {
            case 0:
                target = true;
                break;
            case 1:
                bitrate = true;
                break;
            case 2:
                quality = true;
                break;
        }
    }
    [fVidTargetSizeField  setEnabled: target];
    [fVidBitrateField     setEnabled: bitrate];
    [fVidQualitySlider    setEnabled: quality];
    [fVidTwoPassCheck     setEnabled: !quality &&
        [fVidQualityMatrix isEnabled]];
    if( quality )
    {
        [fVidTwoPassCheck setState: NSOffState];
		[fVidTurboPassCheck setHidden: YES];
		[fVidTurboPassCheck setState: NSOffState];
    }

    [self qualitySliderChanged: sender];
    [self calculateBitrate: sender];
	[self customSettingUsed: sender];
}

- (IBAction) qualitySliderChanged: (id) sender
{
    [fVidConstantCell setTitle: [NSString stringWithFormat:
        _( @"Constant quality: %.0f %%" ), 100.0 *
        [fVidQualitySlider floatValue]]];
		[self customSettingUsed: sender];
}

- (void) controlTextDidChange: (NSNotification *) notification
{
    [self calculateBitrate: NULL];
}

- (IBAction) calculateBitrate: (id) sender
{
    if( !fHandle || [fVidQualityMatrix selectedRow] != 0 || !SuccessfulScan )
    {
        return;
    }

    hb_list_t  * list  = hb_get_titles( fHandle );
    hb_title_t * title = (hb_title_t *) hb_list_item( list,
            [fSrcTitlePopUp indexOfSelectedItem] );
    hb_job_t * job = title->job;

    [self prepareJob];

    [fVidBitrateField setIntValue: hb_calc_bitrate( job,
            [fVidTargetSizeField intValue] )];
}

#pragma mark -
#pragma mark - Picture

/* lets set the picture size back to the max from right after title scan
   Lets use an IBAction here as down the road we could always use a checkbox
   in the gui to easily take the user back to max. Remember, the compiler
   resolves IBActions down to -(void) during compile anyway */
- (IBAction) revertPictureSizeToMax: (id) sender
{
	hb_job_t * job = fTitle->job;
	/* We use the output picture width and height
     as calculated from libhb right after title is set
     in TitlePopUpChanged */
	job->width = PicOrigOutputWidth;
	job->height = PicOrigOutputHeight;
    [fPictureController setAutoCrop:YES];
	/* Here we use the auto crop values determined right after scan */
	job->crop[0] = AutoCropTop;
	job->crop[1] = AutoCropBottom;
	job->crop[2] = AutoCropLeft;
	job->crop[3] = AutoCropRight;
    
    
    [self calculatePictureSizing: sender];
    /* We call method to change UI to reflect whether a preset is used or not*/    
    [self customSettingUsed: sender];
}

/**
 * Registers changes made in the Picture Settings Window.
 */

- (void)pictureSettingsDidChange {
	[self calculatePictureSizing: NULL];
}

/* Get and Display Current Pic Settings in main window */
- (IBAction) calculatePictureSizing: (id) sender
{
	[fPicSettingsOutp setStringValue: [NSString stringWithFormat:@"%d x %d", fTitle->job->width, fTitle->job->height]];
	
    if (fTitle->job->pixel_ratio == 1)
	{
        int titlewidth = fTitle->width-fTitle->job->crop[2]-fTitle->job->crop[3];
        int arpwidth = fTitle->job->pixel_aspect_width;
        int arpheight = fTitle->job->pixel_aspect_height;
        int displayparwidth = titlewidth * arpwidth / arpheight;
        int displayparheight = fTitle->height-fTitle->job->crop[0]-fTitle->job->crop[1];
        [fPicSettingsOutp setStringValue: [NSString stringWithFormat:@"%d x %d", titlewidth, displayparheight]];
        [fPicSettingsAnamorphic setStringValue: [NSString stringWithFormat:@"%d x %d Strict", displayparwidth, displayparheight]];
        fTitle->job->keep_ratio = 0;
	}
    else if (fTitle->job->pixel_ratio == 2)
    {
        hb_job_t * job = fTitle->job;
        int output_width, output_height, output_par_width, output_par_height;
        hb_set_anamorphic_size(job, &output_width, &output_height, &output_par_width, &output_par_height);
        int display_width;
        display_width = output_width * output_par_width / output_par_height;
        
        [fPicSettingsOutp setStringValue: [NSString stringWithFormat:@"%d x %d", output_width, output_height]];
        [fPicSettingsAnamorphic setStringValue: [NSString stringWithFormat:@"%d x %d Loose", display_width, output_height]];
        
        fTitle->job->keep_ratio = 0;
    }
	else
	{
        [fPicSettingsAnamorphic setStringValue: [NSString stringWithFormat:@"Off"]];
	}
    
	/* Set ON/Off values for the deinterlace/keep aspect ratio according to boolean */	
	if (fTitle->job->keep_ratio > 0)
	{
		[fPicSettingARkeep setStringValue: @"On"];
	}
	else
	{
		[fPicSettingARkeep setStringValue: @"Off"];
	}	
    /* Detelecine */
    if ([fPictureController detelecine]) {
        [fPicSettingDetelecine setStringValue: @"Yes"];
    }
    else {
        [fPicSettingDetelecine setStringValue: @"No"];
    }
    
    /* VFR (Variable Frame Rate) */
    if ([fPictureController vfr]) {
        /* We change the string of the fps popup to warn that vfr is on Framerate (FPS): */
        [fVidRateField setStringValue: @"Framerate (VFR On):"];  
        
    }
    else {
        /* make sure the label for framerate is set to its default */  
        [fVidRateField setStringValue: @"Framerate (FPS):"];
    }
    
	/* Deinterlace */
	if ([fPictureController deinterlace] == 0)
	{
		[fPicSettingDeinterlace setStringValue: @"Off"];
	}
	else if ([fPictureController deinterlace] == 1)
	{
		[fPicSettingDeinterlace setStringValue: @"Fast"];
	}
	else if ([fPictureController deinterlace] == 2)
	{
		[fPicSettingDeinterlace setStringValue: @"Slow"];
	}
	else if ([fPictureController deinterlace] == 3)
	{
		[fPicSettingDeinterlace setStringValue: @"Slower"];
	}
	/* Denoise */
	if ([fPictureController denoise] == 0)
	{
		[fPicSettingDenoise setStringValue: @"Off"];
	}
	else if ([fPictureController denoise] == 1)
	{
		[fPicSettingDenoise setStringValue: @"Weak"];
	}
	else if ([fPictureController denoise] == 2)
	{
		[fPicSettingDenoise setStringValue: @"Medium"];
	}
	else if ([fPictureController denoise] == 3)
	{
		[fPicSettingDenoise setStringValue: @"Strong"];
	}
    
    /* Deblock */
    if ([fPictureController deblock]) {
        [fPicSettingDeblock setStringValue: @"Yes"];
    }
    else {
        [fPicSettingDeblock setStringValue: @"No"];
    }
	
	if (fTitle->job->pixel_ratio > 0)
	{
		[fPicSettingPAR setStringValue: @""];
	}
	else
	{
		[fPicSettingPAR setStringValue: @"Off"];
	}
	/* Set the display field for crop as per boolean */
	if (![fPictureController autoCrop])
	{
	    [fPicSettingAutoCrop setStringValue: @"Custom"];
	}
	else
	{
		[fPicSettingAutoCrop setStringValue: @"Auto"];
	}	
	
    
}


#pragma mark -
#pragma mark - Audio and Subtitles

- (IBAction) setEnabledStateOfAudioMixdownControls: (id) sender
{
    /* enable/disable the mixdown text and popupbutton for audio track 1 */
        [fAudTrack1MixPopUp setEnabled: ([fAudLang1PopUp indexOfSelectedItem] == 0) ? NO : YES];
        [fAudTrack1MixLabel setTextColor: ([fAudLang1PopUp indexOfSelectedItem] == 0) ?
         [NSColor disabledControlTextColor] : [NSColor controlTextColor]];

        /* enable/disable the mixdown text and popupbutton for audio track 2 */
        [fAudTrack2MixPopUp setEnabled: ([fAudLang2PopUp indexOfSelectedItem] == 0) ? NO : YES];
        [fAudTrack2MixLabel setTextColor: ([fAudLang2PopUp indexOfSelectedItem] == 0) ?
         [NSColor disabledControlTextColor] : [NSColor controlTextColor]];
}

- (IBAction) addAllAudioTracksToPopUp: (id) sender
{

    hb_list_t  * list  = hb_get_titles( fHandle );
    hb_title_t * title = (hb_title_t*)
        hb_list_item( list, [fSrcTitlePopUp indexOfSelectedItem] );

	hb_audio_config_t * audio;

    [sender removeAllItems];
    [sender addItemWithTitle: _( @"None" )];
    for( int i = 0; i < hb_list_count( title->list_audio ); i++ )
    {
        audio = (hb_audio_config_t *) hb_list_audio_config_item( title->list_audio, i );
        [[sender menu] addItemWithTitle:
            [NSString stringWithCString: audio->lang.description]
            action: NULL keyEquivalent: @""];
    }
    [sender selectItemAtIndex: 0];

}

- (IBAction) selectAudioTrackInPopUp: (id) sender searchPrefixString: (NSString *) searchPrefixString selectIndexIfNotFound: (int) selectIndexIfNotFound
{

    /* this method can be used to find a language, or a language-and-source-format combination, by passing in the appropriate string */
    /* e.g. to find the first French track, pass in an NSString * of "Francais" */
    /* e.g. to find the first English 5.1 AC3 track, pass in an NSString * of "English (AC3) (5.1 ch)" */
    /* if no matching track is found, then selectIndexIfNotFound is used to choose which track to select instead */
    
	if (searchPrefixString != NULL) 
	{

        for( int i = 0; i < [sender numberOfItems]; i++ )
        {
            /* Try to find the desired search string */
            if ([[[sender itemAtIndex: i] title] hasPrefix:searchPrefixString])
            {
                [sender selectItemAtIndex: i];
                return;
            }
        }
        /* couldn't find the string, so select the requested "search string not found" item */
        /* index of 0 means select the "none" item */
        /* index of 1 means select the first audio track */
        [sender selectItemAtIndex: selectIndexIfNotFound];
	}
    else
    {
        /* if no search string is provided, then select the selectIndexIfNotFound item */
        [sender selectItemAtIndex: selectIndexIfNotFound];
    }

}

- (IBAction) audioTrackPopUpChanged: (id) sender
{
    /* utility function to call audioTrackPopUpChanged without passing in a mixdown-to-use */
    [self audioTrackPopUpChanged: sender mixdownToUse: 0];
}

- (IBAction) audioTrackPopUpChanged: (id) sender mixdownToUse: (int) mixdownToUse
{

    /* make sure we have a selected title before continuing */
    if (fTitle == NULL) return;

    /* find out if audio track 1 or 2 was changed - this is passed to us in the tag of the sender */
    /* the sender will have been either fAudLang1PopUp (tag = 0) or fAudLang2PopUp (tag = 1) */
    int thisAudio = [sender tag];

    /* get the index of the selected audio */
    int thisAudioIndex = [sender indexOfSelectedItem] - 1;

#if 0
    /* Handbrake can't currently cope with ripping the same source track twice */
    /* So, if this audio is also selected in the other audio track popup, set that popup's selection to "none" */
    /* get a reference to the two audio track popups */
    NSPopUpButton * thisAudioPopUp  = (thisAudio == 1 ? fAudLang2PopUp : fAudLang1PopUp);
    NSPopUpButton * otherAudioPopUp = (thisAudio == 1 ? fAudLang1PopUp : fAudLang2PopUp);
    /* if the same track is selected in the other audio popup, then select "none" in that popup */
    /* unless, of course, both are selected as "none!" */
    if ([thisAudioPopUp indexOfSelectedItem] != 0 && [thisAudioPopUp indexOfSelectedItem] == [otherAudioPopUp indexOfSelectedItem]) {
        [otherAudioPopUp selectItemAtIndex: 0];
        [self audioTrackPopUpChanged: otherAudioPopUp];
    }
#endif

    /* pointer for the hb_audio_s struct we will use later on */
    hb_audio_config_t * audio;

    /* find out what the currently-selected output audio codec is */
    int format = [fDstFormatPopUp indexOfSelectedItem];
    int codecs = [fDstCodecsPopUp indexOfSelectedItem];
    int acodec = FormatSettings[format][codecs] & HB_ACODEC_MASK;
    
    /*HACK: Lets setup a convenience variable to decide whether or not to allow aac hybrid (aac + ac3 passthru )*/
    bool mp4AacAc3;
    if (format == 0 && codecs == 2) // if mp4 and aac + ac3
    {
        mp4AacAc3 = 1;
    }
    else
    {
        mp4AacAc3 = 0;
    }

    /* pointer to this track's mixdown NSPopUpButton */
    NSTextField   * mixdownTextField;
    NSPopUpButton * mixdownPopUp;

    /* find our mixdown NSTextField and NSPopUpButton */
    if (thisAudio == 0)
    {
        mixdownTextField = fAudTrack1MixLabel;
        mixdownPopUp = fAudTrack1MixPopUp;
    }
    else
    {
        mixdownTextField = fAudTrack2MixLabel;
        mixdownPopUp = fAudTrack2MixPopUp;
    }

    /* delete the previous audio mixdown options */
    [mixdownPopUp removeAllItems];

    /* check if the audio mixdown controls need their enabled state changing */
    [self setEnabledStateOfAudioMixdownControls: NULL];

    if (thisAudioIndex != -1)
    {

        /* get the audio */
        audio = (hb_audio_config_t *) hb_list_audio_config_item( fTitle->list_audio, thisAudioIndex );// Should "fTitle" be title and be setup ?
        if (audio != NULL)
        {

            /* find out if our selected output audio codec supports mono and / or 6ch */
            /* we also check for an input codec of AC3 or DCA,
             as they are the only libraries able to do the mixdown to mono / conversion to 6-ch */
            /* audioCodecsSupportMono and audioCodecsSupport6Ch are the same for now,
             but this may change in the future, so they are separated for flexibility */
            int audioCodecsSupportMono = ((audio->in.codec == HB_ACODEC_AC3 ||
                                           audio->in.codec == HB_ACODEC_DCA) && acodec == HB_ACODEC_FAAC);
            int audioCodecsSupport6Ch =  ((audio->in.codec == HB_ACODEC_AC3 ||
                                           audio->in.codec == HB_ACODEC_DCA) && (acodec == HB_ACODEC_FAAC ||
                                                                                 acodec == HB_ACODEC_VORBIS));

            /* check for AC-3 passthru */
            if (audio->in.codec == HB_ACODEC_AC3 && acodec == HB_ACODEC_AC3)
            {
            
                [[mixdownPopUp menu] addItemWithTitle:
                 [NSString stringWithCString: "AC3 Passthru"]
                                               action: NULL keyEquivalent: @""];
            }
            else
            {

                /* add the appropriate audio mixdown menuitems to the popupbutton */
                /* in each case, we set the new menuitem's tag to be the amixdown value for that mixdown,
                 so that we can reference the mixdown later */

                /* keep a track of the min and max mixdowns we used, so we can select the best match later */
                int minMixdownUsed = 0;
                int maxMixdownUsed = 0;
                
                /* get the input channel layout without any lfe channels */
                int layout = audio->in.channel_layout & HB_INPUT_CH_LAYOUT_DISCRETE_NO_LFE_MASK;

                    /* do we want to add a mono option? */
                    //if (!mp4AacAc3 && audioCodecsSupportMono == 1)
                    if (audioCodecsSupportMono == 1)
                    {
                        NSMenuItem *menuItem = [[mixdownPopUp menu] addItemWithTitle:
                                                [NSString stringWithCString: hb_audio_mixdowns[0].human_readable_name]
                                                                              action: NULL keyEquivalent: @""];
                        [menuItem setTag: hb_audio_mixdowns[0].amixdown];
                        if (minMixdownUsed == 0) minMixdownUsed = hb_audio_mixdowns[0].amixdown;
                        maxMixdownUsed = MAX(maxMixdownUsed, hb_audio_mixdowns[0].amixdown);
                    }

                    /* do we want to add a stereo option? */
                    /* offer stereo if we have a mono source and non-mono-supporting codecs, as otherwise we won't have a mixdown at all */
                    /* also offer stereo if we have a stereo-or-better source */
                    //if (((!mp4AacAc3 || audio->in.codec == HB_ACODEC_MPGA ||  audio->in.codec == HB_ACODEC_LPCM || audio->in.codec == HB_ACODEC_DCA) && ((layout == HB_INPUT_CH_LAYOUT_MONO && audioCodecsSupportMono == 0) || layout >= HB_INPUT_CH_LAYOUT_STEREO)))
                    //if (((audio->in.codec == HB_ACODEC_MPGA ||  audio->in.codec == HB_ACODEC_LPCM || audio->in.codec == HB_ACODEC_DCA) && ((layout == HB_INPUT_CH_LAYOUT_MONO && audioCodecsSupportMono == 0) || layout >= HB_INPUT_CH_LAYOUT_STEREO)))
                    if ((layout == HB_INPUT_CH_LAYOUT_MONO && audioCodecsSupportMono == 0) || layout >= HB_INPUT_CH_LAYOUT_STEREO)
                    {
                        NSMenuItem *menuItem = [[mixdownPopUp menu] addItemWithTitle:
                                                [NSString stringWithCString: hb_audio_mixdowns[1].human_readable_name]
                                                                              action: NULL keyEquivalent: @""];
                        [menuItem setTag: hb_audio_mixdowns[1].amixdown];
                        if (minMixdownUsed == 0) minMixdownUsed = hb_audio_mixdowns[1].amixdown;
                        maxMixdownUsed = MAX(maxMixdownUsed, hb_audio_mixdowns[1].amixdown);
                    }

                    /* do we want to add a dolby surround (DPL1) option? */
                    if (layout == HB_INPUT_CH_LAYOUT_3F1R || layout == HB_INPUT_CH_LAYOUT_3F2R || layout == HB_INPUT_CH_LAYOUT_DOLBY)
                    {
                        NSMenuItem *menuItem = [[mixdownPopUp menu] addItemWithTitle:
                                                [NSString stringWithCString: hb_audio_mixdowns[2].human_readable_name]
                                                                              action: NULL keyEquivalent: @""];
                        [menuItem setTag: hb_audio_mixdowns[2].amixdown];
                        if (minMixdownUsed == 0) minMixdownUsed = hb_audio_mixdowns[2].amixdown;
                        maxMixdownUsed = MAX(maxMixdownUsed, hb_audio_mixdowns[2].amixdown);
                    }

                    /* do we want to add a dolby pro logic 2 (DPL2) option? */
                    if (layout == HB_INPUT_CH_LAYOUT_3F2R)
                    {
                        NSMenuItem *menuItem = [[mixdownPopUp menu] addItemWithTitle:
                                                [NSString stringWithCString: hb_audio_mixdowns[3].human_readable_name]
                                                                              action: NULL keyEquivalent: @""];
                        [menuItem setTag: hb_audio_mixdowns[3].amixdown];
                        if (minMixdownUsed == 0) minMixdownUsed = hb_audio_mixdowns[3].amixdown;
                        maxMixdownUsed = MAX(maxMixdownUsed, hb_audio_mixdowns[3].amixdown);
                    }

                    /* do we want to add a 6-channel discrete option? */
                    if (!mp4AacAc3 && (audioCodecsSupport6Ch == 1 && layout == HB_INPUT_CH_LAYOUT_3F2R && (audio->in.channel_layout & HB_INPUT_CH_LAYOUT_HAS_LFE)))
                    {
                        NSMenuItem *menuItem = [[mixdownPopUp menu] addItemWithTitle:
                                                [NSString stringWithCString: hb_audio_mixdowns[4].human_readable_name]
                                                                              action: NULL keyEquivalent: @""];
                        [menuItem setTag: hb_audio_mixdowns[4].amixdown];
                        if (minMixdownUsed == 0) minMixdownUsed = hb_audio_mixdowns[4].amixdown;
                        maxMixdownUsed = MAX(maxMixdownUsed, hb_audio_mixdowns[4].amixdown);
                    }

                    /* do we want to add an AC-3 passthrough option? */
                    if (audio->in.codec == HB_ACODEC_AC3 && acodec == HB_ACODEC_AC3) {
                        NSMenuItem *menuItem = [[mixdownPopUp menu] addItemWithTitle:
                                                [NSString stringWithCString: hb_audio_mixdowns[5].human_readable_name]
                                                                              action: NULL keyEquivalent: @""];
                        [menuItem setTag: hb_audio_mixdowns[5].amixdown];
                        if (minMixdownUsed == 0) minMixdownUsed = hb_audio_mixdowns[5].amixdown;
                        maxMixdownUsed = MAX(maxMixdownUsed, hb_audio_mixdowns[5].amixdown);
                    }

                /* auto-select the best mixdown based on our saved mixdown preference */
                
                /* for now, this is hard-coded to a "best" mixdown of HB_AMIXDOWN_DOLBYPLII */
                /* ultimately this should be a prefs option */
                int useMixdown;
                
                /* if we passed in a mixdown to use - in order to load a preset - then try and use it */
                if (mixdownToUse > 0)
                {
                    useMixdown = mixdownToUse;
                }
                else
                {
                    useMixdown = HB_AMIXDOWN_DOLBYPLII;
                }
                
                /* if useMixdown > maxMixdownUsed, then use maxMixdownUsed */
                if (useMixdown > maxMixdownUsed) useMixdown = maxMixdownUsed;

                /* if useMixdown < minMixdownUsed, then use minMixdownUsed */
                if (useMixdown < minMixdownUsed) useMixdown = minMixdownUsed;

                /* select the (possibly-amended) preferred mixdown */
                [mixdownPopUp selectItemWithTag: useMixdown];
				
				/* lets call the audioTrackMixdownChanged method here to determine appropriate bitrates, etc. */
                [self audioTrackMixdownChanged: NULL];
            }

        }
        
    }

	/* see if the new audio track choice will change the bitrate we need */
    [self calculateBitrate: sender];	

}
- (IBAction) audioTrackMixdownChanged: (id) sender
{

    /* find out what the currently-selected output audio codec is */
    int format = [fDstFormatPopUp indexOfSelectedItem];
    int codecs = [fDstCodecsPopUp indexOfSelectedItem];
    int acodec = FormatSettings[format][codecs] & HB_ACODEC_MASK;
    
    /* storage variable for the min and max bitrate allowed for this codec */
    int minbitrate;
    int maxbitrate;
    
    switch( acodec )
    {
        case HB_ACODEC_FAAC:
            /* check if we have a 6ch discrete conversion in either audio track */
            if ([[fAudTrack1MixPopUp selectedItem] tag] == HB_AMIXDOWN_6CH || 
                [[fAudTrack2MixPopUp selectedItem] tag] == HB_AMIXDOWN_6CH)
            {
                /* FAAC is happy using our min bitrate of 32 kbps, even for 6ch */
                minbitrate = 32;
                /* If either mixdown popup includes 6-channel discrete, then allow up to 384 kbps */
                maxbitrate = 384;
                break;
            }
            else
            {
                /* FAAC is happy using our min bitrate of 32 kbps for stereo or mono */
                minbitrate = 32;
                /* FAAC won't honour anything more than 160 for stereo, so let's not offer it */
                /* note: haven't dealt with mono separately here, FAAC will just use the max it can */
                maxbitrate = 160;
                break;
            }

        case HB_ACODEC_LAME:
            /* Lame is happy using our min bitrate of 32 kbps */
            minbitrate = 32;
            /* Lame won't encode if the bitrate is higher than 320 kbps */
            maxbitrate = 320;
            break;

        case HB_ACODEC_VORBIS:
        if ([[fAudTrack1MixPopUp selectedItem] tag] == HB_AMIXDOWN_6CH || [[fAudTrack2MixPopUp selectedItem] tag] == HB_AMIXDOWN_6CH)
            {
                /* Vorbis causes a crash if we use a bitrate below 192 kbps with 6 channel */
                minbitrate = 192;
                /* If either mixdown popup includes 6-channel discrete, then allow up to 384 kbps */
                maxbitrate = 384;
                break;
            }
            else
            {
            /* Vorbis causes a crash if we use a bitrate below 48 kbps */
            minbitrate = 48;
            /* Vorbis can cope with 384 kbps quite happily, even for stereo */
            maxbitrate = 384;
            break;
            }

        default:
            /* AC3 passthru disables the bitrate dropdown anyway, so we might as well just use the min and max bitrate */
            minbitrate = 32;
            maxbitrate = 384;
        
    }

    [fAudBitratePopUp removeAllItems];

    for( int i = 0; i < hb_audio_bitrates_count; i++ )
    {
        if (hb_audio_bitrates[i].rate >= minbitrate && hb_audio_bitrates[i].rate <= maxbitrate)
        {
            /* add a new menuitem for this bitrate */
            NSMenuItem *menuItem = [[fAudBitratePopUp menu] addItemWithTitle:
                [NSString stringWithCString: hb_audio_bitrates[i].string]
                action: NULL keyEquivalent: @""];
            /* set its tag to be the actual bitrate as an integer, so we can retrieve it later */
            [menuItem setTag: hb_audio_bitrates[i].rate];
        }
    }

    /* select the default bitrate (but use 384 for 6-ch AAC) */
    if ([[fAudTrack1MixPopUp selectedItem] tag] == HB_AMIXDOWN_6CH || 
        [[fAudTrack2MixPopUp selectedItem] tag] == HB_AMIXDOWN_6CH)
    {
        [fAudBitratePopUp selectItemWithTag: 384];
    }
    else
    {
        [fAudBitratePopUp selectItemWithTag: hb_audio_bitrates[hb_audio_bitrates_default].rate];
    }

}

- (IBAction) audioDRCSliderChanged: (id) sender
{
    [fAudDrcField setStringValue: [NSString stringWithFormat: @"%.2f", [fAudDrcSlider floatValue]]];
    [self customSettingUsed: sender];
}

- (IBAction) subtitleSelectionChanged: (id) sender
{
	if ([fSubPopUp indexOfSelectedItem] == 0)
	{
        [fSubForcedCheck setState: NSOffState];
        [fSubForcedCheck setEnabled: NO];	
	}
	else
	{
        [fSubForcedCheck setEnabled: YES];	
	}
	
}




#pragma mark -
#pragma mark Open New Windows

- (IBAction) openHomepage: (id) sender
{
    [[NSWorkspace sharedWorkspace] openURL: [NSURL
        URLWithString:@"http://handbrake.fr/"]];
}

- (IBAction) openForums: (id) sender
{
    [[NSWorkspace sharedWorkspace] openURL: [NSURL
        URLWithString:@"http://handbrake.fr/forum/"]];
}
- (IBAction) openUserGuide: (id) sender
{
    [[NSWorkspace sharedWorkspace] openURL: [NSURL
        URLWithString:@"http://handbrake.fr/trac/wiki/HandBrakeGuide"]];
}

/**
 * Shows debug output window.
 */
- (IBAction)showDebugOutputPanel:(id)sender
{
    [outputPanel showOutputPanel:sender];
}

/**
 * Shows preferences window.
 */
- (IBAction) showPreferencesWindow: (id) sender
{
    NSWindow * window = [fPreferencesController window];
    if (![window isVisible])
        [window center];

    [window makeKeyAndOrderFront: nil];
}

/**
 * Shows queue window.
 */
- (IBAction) showQueueWindow:(id)sender
{
    [fQueueController showQueueWindow:sender];
}


- (IBAction) toggleDrawer:(id)sender {
    [fPresetDrawer toggle:self];
}

/**
 * Shows Picture Settings Window.
 */

- (IBAction) showPicturePanel: (id) sender
{
	hb_list_t  * list  = hb_get_titles( fHandle );
    hb_title_t * title = (hb_title_t *) hb_list_item( list,
            [fSrcTitlePopUp indexOfSelectedItem] );
    [fPictureController showPanelInWindow:fWindow forTitle:title];
}

#pragma mark -
#pragma mark Preset Outline View Methods
#pragma mark - Required
/* These are required by the NSOutlineView Datasource Delegate */
/* We use this to deterimine children of an item */
- (id)outlineView:(NSOutlineView *)fPresetsOutlineView child:(NSInteger)index ofItem:(id)item
{
if (item == nil)
        return [UserPresets objectAtIndex:index];
    
    // We are only one level deep, so we can't be asked about children
    NSAssert (NO, @"Presets View outlineView:child:ofItem: currently can't handle nested items.");
    return nil;
}
/* We use this to determine if an item should be expandable */
- (BOOL)outlineView:(NSOutlineView *)fPresetsOutlineView isItemExpandable:(id)item
{

    /* For now, we maintain one level, so set to no
    * when nested, we set to yes for any preset "folders"
    */
    return NO;

}
/* used to specify the number of levels to show for each item */
- (int)outlineView:(NSOutlineView *)fPresetsOutlineView numberOfChildrenOfItem:(id)item
{
    /* currently use no levels to test outline view viability */
    if (item == nil)
        return [UserPresets count];
    else
        return 0;
}
/* Used to tell the outline view which information is to be displayed per item */
- (id)outlineView:(NSOutlineView *)fPresetsOutlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
{
	/* We have two columns right now, icon and PresetName */
	
    if ([[tableColumn identifier] isEqualToString:@"PresetName"])
    {
        return [item objectForKey:@"PresetName"];
    }
    else
    {
        return @"something";
    }
}

#pragma mark - Added Functionality (optional)
/* Use to customize the font and display characteristics of the title cell */
- (void)outlineView:(NSOutlineView *)outlineView willDisplayCell:(id)cell forTableColumn:(NSTableColumn *)tableColumn item:(id)item
{
    if ([[tableColumn identifier] isEqualToString:@"PresetName"])
    {
        NSDictionary *userPresetDict = item;
        NSFont *txtFont;
        NSColor *fontColor;
        NSColor *shadowColor;
        txtFont = [NSFont systemFontOfSize: [NSFont smallSystemFontSize]];
        /*check to see if its a selected row */
        if ([fPresetsOutlineView selectedRow] == [fPresetsOutlineView rowForItem:item])
        {
            
            fontColor = [NSColor blackColor];
            shadowColor = [NSColor colorWithDeviceRed:(127.0/255.0) green:(140.0/255.0) blue:(160.0/255.0) alpha:1.0];
        }
        else
        {
            if ([[userPresetDict objectForKey:@"Type"] intValue] == 0)
            {
                fontColor = [NSColor blueColor];
            }
            else // User created preset, use a black font
            {
                fontColor = [NSColor blackColor];
            }
            shadowColor = nil;
        }
        /* We use Bold Text for the HB Default */
        if ([[userPresetDict objectForKey:@"Default"] intValue] == 1)// 1 is HB default
        {
            txtFont = [NSFont boldSystemFontOfSize: [NSFont smallSystemFontSize]];
        }
        /* We use Bold Text for the User Specified Default */
        if ([[userPresetDict objectForKey:@"Default"] intValue] == 2)// 2 is User default
        {
            txtFont = [NSFont boldSystemFontOfSize: [NSFont smallSystemFontSize]];
        }
        
        
        [cell setTextColor:fontColor];
        [cell setFont:txtFont];
        
    }
}

/* We use this to edit the name field in the outline view */
- (void)outlineView:(NSOutlineView *)outlineView setObjectValue:(id)object forTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
{
    if ([[tableColumn identifier] isEqualToString:@"PresetName"])
    {
        id theRecord;
        
        theRecord = item;
        [theRecord setObject:object forKey:@"PresetName"];
        
        [self sortPresets];
        
        [fPresetsOutlineView reloadData];
        /* We save all of the preset data here */
        [self savePreset];
    }
}
/* We use this to provide tooltips for the items in the presets outline view */
- (NSString *)outlineView:(NSOutlineView *)fPresetsOutlineView toolTipForCell:(NSCell *)cell rect:(NSRectPointer)rect tableColumn:(NSTableColumn *)tc item:(id)item mouseLocation:(NSPoint)mouseLocation
{
    //if ([[tc identifier] isEqualToString:@"PresetName"])
    //{
        /* initialize the tooltip contents variable */
        NSString *loc_tip;
        /* if there is a description for the preset, we show it in the tooltip */
        if ([item valueForKey:@"PresetDescription"])
        {
            loc_tip = [NSString stringWithFormat: @"%@",[item valueForKey:@"PresetDescription"]];
            return (loc_tip);
        }
        else
        {
            loc_tip = @"No description available";
        }
        return (loc_tip);
    //}
}

#pragma mark -
#pragma mark Preset Outline View Methods (dragging related)


- (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard
{
	// Dragging is only allowed for custom presets.
	if ([[[UserPresets objectAtIndex:[fPresetsOutlineView selectedRow]] objectForKey:@"Type"] intValue] == 0) // 0 is built in preset
    {
        return NO;
    }
    // Don't retain since this is just holding temporaral drag information, and it is
    //only used during a drag!  We could put this in the pboard actually.
    fDraggedNodes = items;
    // Provide data for our custom type, and simple NSStrings.
    [pboard declareTypes:[NSArray arrayWithObjects: DragDropSimplePboardType, nil] owner:self];
    
    // the actual data doesn't matter since DragDropSimplePboardType drags aren't recognized by anyone but us!.
    [pboard setData:[NSData data] forType:DragDropSimplePboardType]; 
    
    return YES;
}

- (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(int)index
{
	// Don't allow dropping ONTO an item since they can't really contain any children.
    
    BOOL isOnDropTypeProposal = index == NSOutlineViewDropOnItemIndex;
    if (isOnDropTypeProposal)
        return NSDragOperationNone;
    
    
	// Don't allow dropping INTO an item since they can't really contain any children as of yet.
	
    if (item != nil)
	{
		index = [fPresetsOutlineView rowForItem: item] + 1;
		item = nil;
	}
    
    // Don't allow dropping into the Built In Presets.
    if (index < presetCurrentBuiltInCount)
    {
        return NSDragOperationNone;
        index = MAX (index, presetCurrentBuiltInCount);
	}
	
    [outlineView setDropItem:item dropChildIndex:index];
    return NSDragOperationGeneric;
}



- (BOOL)outlineView:(NSOutlineView *)outlineView acceptDrop:(id <NSDraggingInfo>)info item:(id)item childIndex:(int)index
{
    NSMutableIndexSet *moveItems = [NSMutableIndexSet indexSet];
    
    id obj;
    NSEnumerator *enumerator = [fDraggedNodes objectEnumerator];
    while (obj = [enumerator nextObject])
    {
        [moveItems addIndex:[UserPresets indexOfObject:obj]];
    }
    // Successful drop, lets rearrange the view and save it all
    [self moveObjectsInPresetsArray:UserPresets fromIndexes:moveItems toIndex: index];
    [fPresetsOutlineView reloadData];
    [self savePreset];
    return YES;
}

- (void)moveObjectsInPresetsArray:(NSMutableArray *)array fromIndexes:(NSIndexSet *)indexSet toIndex:(unsigned)insertIndex
{
    unsigned index = [indexSet lastIndex];
    unsigned aboveInsertIndexCount = 0;
    
    while (index != NSNotFound)
    {
        unsigned removeIndex;
        
        if (index >= insertIndex)
        {
            removeIndex = index + aboveInsertIndexCount;
            aboveInsertIndexCount++;
        }
        else
        {
            removeIndex = index;
            insertIndex--;
        }
        
        id object = [[array objectAtIndex:removeIndex] retain];
        [array removeObjectAtIndex:removeIndex];
        [array insertObject:object atIndex:insertIndex];
        [object release];
        
        index = [indexSet indexLessThanIndex:index];
    }
}



#pragma mark - Functional Preset NSOutlineView Methods

- (IBAction)selectPreset:(id)sender
{
    
    if ([fPresetsOutlineView selectedRow] >= 0)
    {
        chosenPreset = [fPresetsOutlineView itemAtRow:[fPresetsOutlineView selectedRow]];
        /* we set the preset display field in main window here */
        [fPresetSelectedDisplay setStringValue: [NSString stringWithFormat: @"%@",[chosenPreset valueForKey:@"PresetName"]]];
        if ([[chosenPreset objectForKey:@"Default"] intValue] == 1)
        {
            [fPresetSelectedDisplay setStringValue: [NSString stringWithFormat: @"%@ (Default)",[chosenPreset valueForKey:@"PresetName"]]];
        }
        else
        {
            [fPresetSelectedDisplay setStringValue: [NSString stringWithFormat: @"%@",[chosenPreset valueForKey:@"PresetName"]]];
        }
        /* File Format */
        [fDstFormatPopUp selectItemWithTitle: [NSString stringWithFormat:[chosenPreset valueForKey:@"FileFormat"]]];
        [self formatPopUpChanged: NULL];
        
        /* Chapter Markers*/
        [fCreateChapterMarkers setState:[[chosenPreset objectForKey:@"ChapterMarkers"] intValue]];
        /* Allow Mpeg4 64 bit formatting +4GB file sizes */
        [fDstMp4LargeFileCheck setState:[[chosenPreset objectForKey:@"Mp4LargeFile"] intValue]];
        /* Mux mp4 with http optimization */
        [fDstMp4HttpOptFileCheck setState:[[chosenPreset objectForKey:@"Mp4HttpOptimize"] intValue]];
        /* Set the state of ipod compatible with Mp4iPodCompatible */
        [fDstMp4iPodFileCheck setState:[[chosenPreset objectForKey:@"Mp4iPodCompatible"] intValue]];
        /* Codecs */
        [fDstCodecsPopUp selectItemWithTitle: [NSString stringWithFormat:[chosenPreset valueForKey:@"FileCodecs"]]];
        [self codecsPopUpChanged: NULL];
        
        /* Video encoder */
        /* We set the advanced opt string here if applicable*/
        [fAdvancedOptions setOptions: [NSString stringWithFormat:[chosenPreset valueForKey:@"x264Option"]]];
        /* We use a conditional to account for the new x264 encoder dropdown as well as presets made using legacy x264 settings*/
        if ([[NSString stringWithFormat:[chosenPreset valueForKey:@"VideoEncoder"]] isEqualToString: @"x264 (h.264 Main)"] || [[NSString stringWithFormat:[chosenPreset valueForKey:@"VideoEncoder"]] isEqualToString: @"x264 (h.264 iPod)"])
        {
            [fVidEncoderPopUp selectItemWithTitle: [NSString stringWithFormat:@"x264"]];
            /* special case for legacy preset to check the new fDstMp4HttpOptFileCheck checkbox to set the ipod atom */
            if ([[NSString stringWithFormat:[chosenPreset valueForKey:@"VideoEncoder"]] isEqualToString: @"x264 (h.264 iPod)"])
            {
                [fDstMp4iPodFileCheck setState:NSOnState];
                /* We also need to add "level=30:" to the advanced opts string to set the correct level for the iPod when
                 encountering a legacy preset as it used to be handled separately from the opt string*/
                [fAdvancedOptions setOptions: [NSString stringWithFormat:[@"level=30:" stringByAppendingString:[fAdvancedOptions optionsString]]]];
            }
            else
            {
                [fDstMp4iPodFileCheck setState:NSOffState];
            }
        }
        else
        {
            [fVidEncoderPopUp selectItemWithTitle: [NSString stringWithFormat:[chosenPreset valueForKey:@"VideoEncoder"]]];
        }
        
        /* Lets run through the following functions to get variables set there */
        [self encoderPopUpChanged: NULL];
        
        [self calculateBitrate: NULL];
        
        /* Video quality */
        [fVidQualityMatrix selectCellAtRow:[[chosenPreset objectForKey:@"VideoQualityType"] intValue] column:0];
        
        [fVidTargetSizeField setStringValue: [NSString stringWithFormat:[chosenPreset valueForKey:@"VideoTargetSize"]]];
        [fVidBitrateField setStringValue: [NSString stringWithFormat:[chosenPreset valueForKey:@"VideoAvgBitrate"]]];
        [fVidQualitySlider setFloatValue: [[chosenPreset valueForKey:@"VideoQualitySlider"] floatValue]];
        
        [self videoMatrixChanged: NULL];
        
        /* Video framerate */
        /* For video preset video framerate, we want to make sure that Same as source does not conflict with the
         detected framerate in the fVidRatePopUp so we use index 0*/
        if ([[NSString stringWithFormat:[chosenPreset valueForKey:@"VideoFramerate"]] isEqualToString: @"Same as source"])
        {
            [fVidRatePopUp selectItemAtIndex: 0];
        }
        else
        {
            [fVidRatePopUp selectItemWithTitle: [NSString stringWithFormat:[chosenPreset valueForKey:@"VideoFramerate"]]];
        }
        
        /* GrayScale */
        [fVidGrayscaleCheck setState:[[chosenPreset objectForKey:@"VideoGrayScale"] intValue]];
        
        /* 2 Pass Encoding */
        [fVidTwoPassCheck setState:[[chosenPreset objectForKey:@"VideoTwoPass"] intValue]];
        [self twoPassCheckboxChanged: NULL];
        /* Turbo 1st pass for 2 Pass Encoding */
        [fVidTurboPassCheck setState:[[chosenPreset objectForKey:@"VideoTurboTwoPass"] intValue]];
        
        /*Audio*/
        
        /* Audio Sample Rate*/
        [fAudRatePopUp selectItemWithTitle: [NSString stringWithFormat:[chosenPreset valueForKey:@"AudioSampleRate"]]];
        /* Audio Bitrate Rate*/
        [fAudBitratePopUp selectItemWithTitle: [NSString stringWithFormat:[chosenPreset valueForKey:@"AudioBitRate"]]];
        /*Subtitles*/
        [fSubPopUp selectItemWithTitle: [NSString stringWithFormat:[chosenPreset valueForKey:@"Subtitles"]]];
        /* Forced Subtitles */
        [fSubForcedCheck setState:[[chosenPreset objectForKey:@"SubtitlesForced"] intValue]];
	    
        /* Dynamic Range Control Slider */
        [fAudDrcSlider setFloatValue: [[chosenPreset valueForKey:@"AudioDRCSlider"] floatValue]];
        [self audioDRCSliderChanged: NULL];
        
        /* Picture Settings */
        /* Note: objectForKey:@"UsesPictureSettings" now refers to picture size, this encompasses:
         * height, width, keep ar, anamorphic and crop settings.
         * picture filters are now handled separately.
         * We will be able to actually change the key names for legacy preset keys when preset file
         * update code is done. But for now, lets hang onto the old legacy key name for backwards compatibility.
         */
        /* Check to see if the objectForKey:@"UsesPictureSettings is greater than 0, as 0 means use picture sizing "None" 
         * and the preset completely ignores any picture sizing values in the preset.
         */
        if ([[chosenPreset objectForKey:@"UsesPictureSettings"]  intValue] > 0)
        {
            hb_job_t * job = fTitle->job;
            /* Check to see if the objectForKey:@"UsesPictureSettings is 2 which is "Use Max for the source */
            if ([[chosenPreset objectForKey:@"UsesPictureSettings"]  intValue] == 2 || [[chosenPreset objectForKey:@"UsesMaxPictureSettings"]  intValue] == 1)
            {
                /* Use Max Picture settings for whatever the dvd is.*/
                [self revertPictureSizeToMax: NULL];
                job->keep_ratio = [[chosenPreset objectForKey:@"PictureKeepRatio"]  intValue];
                if (job->keep_ratio == 1)
                {
                    hb_fix_aspect( job, HB_KEEP_WIDTH );
                    if( job->height > fTitle->height )
                    {
                        job->height = fTitle->height;
                        hb_fix_aspect( job, HB_KEEP_HEIGHT );
                    }
                }
                job->pixel_ratio = [[chosenPreset objectForKey:@"PicturePAR"]  intValue];
            }
            else // /* If not 0 or 2 we assume objectForKey:@"UsesPictureSettings is 1 which is "Use picture sizing from when the preset was set" */
            {
                /* we check to make sure the presets width/height does not exceed the sources width/height */
                if (fTitle->width < [[chosenPreset objectForKey:@"PictureWidth"]  intValue] || fTitle->height < [[chosenPreset objectForKey:@"PictureHeight"]  intValue])
                {
                    /* if so, then we use the sources height and width to avoid scaling up */
                    job->width = fTitle->width;
                    job->height = fTitle->height;
                }
                else // source width/height is >= the preset height/width
                {
                    /* we can go ahead and use the presets values for height and width */
                    job->width = [[chosenPreset objectForKey:@"PictureWidth"]  intValue];
                    job->height = [[chosenPreset objectForKey:@"PictureHeight"]  intValue];
                }
                job->keep_ratio = [[chosenPreset objectForKey:@"PictureKeepRatio"]  intValue];
                if (job->keep_ratio == 1)
                {
                    hb_fix_aspect( job, HB_KEEP_WIDTH );
                    if( job->height > fTitle->height )
                    {
                        job->height = fTitle->height;
                        hb_fix_aspect( job, HB_KEEP_HEIGHT );
                    }
                }
                job->pixel_ratio = [[chosenPreset objectForKey:@"PicturePAR"]  intValue];
                
                
                /* If Cropping is set to custom, then recall all four crop values from
                 when the preset was created and apply them */
                if ([[chosenPreset objectForKey:@"PictureAutoCrop"]  intValue] == 0)
                {
                    [fPictureController setAutoCrop:NO];
                    
                    /* Here we use the custom crop values saved at the time the preset was saved */
                    job->crop[0] = [[chosenPreset objectForKey:@"PictureTopCrop"]  intValue];
                    job->crop[1] = [[chosenPreset objectForKey:@"PictureBottomCrop"]  intValue];
                    job->crop[2] = [[chosenPreset objectForKey:@"PictureLeftCrop"]  intValue];
                    job->crop[3] = [[chosenPreset objectForKey:@"PictureRightCrop"]  intValue];
                    
                }
                else /* if auto crop has been saved in preset, set to auto and use post scan auto crop */
                {
                    [fPictureController setAutoCrop:YES];
                    /* Here we use the auto crop values determined right after scan */
                    job->crop[0] = AutoCropTop;
                    job->crop[1] = AutoCropBottom;
                    job->crop[2] = AutoCropLeft;
                    job->crop[3] = AutoCropRight;
                    
                }
                /* If the preset has no objectForKey:@"UsesPictureFilters", then we know it is a legacy preset
                 * and handle the filters here as before.
                 * NOTE: This should be removed when the update presets code is done as we can be assured that legacy
                 * presets are updated to work properly with new keys.
                 */
                if (![chosenPreset objectForKey:@"UsesPictureFilters"])
                {
                    /* Filters */
                    /* Deinterlace */
                    if ([chosenPreset objectForKey:@"PictureDeinterlace"])
                    {
                        /* We check to see if the preset used the past fourth "Slowest" deinterlaceing and set that to "Slower
                        * since we no longer have a fourth "Slowest" deinterlacing due to the mcdeint bug */
                        if ([[chosenPreset objectForKey:@"PictureDeinterlace"] intValue] == 4)
                        {
                            [fPictureController setDeinterlace:3];
                        }
                        else
                        {

                            [fPictureController setDeinterlace:[[chosenPreset objectForKey:@"PictureDeinterlace"] intValue]];
                        }
                    }
                    else
                    {
                        [fPictureController setDeinterlace:0];
                    }
                    /* VFR */
                    if ([[chosenPreset objectForKey:@"VFR"] intValue] == 1)
                    {
                        [fPictureController setVFR:[[chosenPreset objectForKey:@"VFR"] intValue]];
                    }
                    else
                    {
                        [fPictureController setVFR:0];
                    }
                    /* Detelecine */
                    if ([[chosenPreset objectForKey:@"PictureDetelecine"] intValue] == 1)
                    {
                        [fPictureController setDetelecine:[[chosenPreset objectForKey:@"PictureDetelecine"] intValue]];
                    }
                    else
                    {
                        [fPictureController setDetelecine:0];
                    }
                    /* Denoise */
                    if ([chosenPreset objectForKey:@"PictureDenoise"])
                    {
                        [fPictureController setDenoise:[[chosenPreset objectForKey:@"PictureDenoise"] intValue]];
                    }
                    else
                    {
                        [fPictureController setDenoise:0];
                    }   
                    /* Deblock */
                    if ([[chosenPreset objectForKey:@"PictureDeblock"] intValue] == 1)
                    {
                        [fPictureController setDeblock:[[chosenPreset objectForKey:@"PictureDeblock"] intValue]];
                    }
                    else
                    {
                        [fPictureController setDeblock:0];
                    }             
                    [self calculatePictureSizing: NULL];
                }
                
            }
            
            
        }
        /* If the preset has an objectForKey:@"UsesPictureFilters", then we know it is a newer style filters preset
         * and handle the filters here depending on whether or not the preset specifies applying the filter.
         */
        if ([chosenPreset objectForKey:@"UsesPictureFilters"] && [[chosenPreset objectForKey:@"UsesPictureFilters"]  intValue] > 0)
        {
            /* Filters */
            /* Deinterlace */
            if ([chosenPreset objectForKey:@"PictureDeinterlace"])
            {
                /* We check to see if the preset used the past fourth "Slowest" deinterlaceing and set that to "Slower
                 * since we no longer have a fourth "Slowest" deinterlacing due to the mcdeint bug */
                if ([[chosenPreset objectForKey:@"PictureDeinterlace"] intValue] == 4)
                {
                    [fPictureController setDeinterlace:3];
                }
                else
                {
                    [fPictureController setDeinterlace:[[chosenPreset objectForKey:@"PictureDeinterlace"] intValue]];
                }
            }
            else
            {
                [fPictureController setDeinterlace:0];
            }
            /* VFR */
            if ([[chosenPreset objectForKey:@"VFR"] intValue] == 1)
            {
                [fPictureController setVFR:[[chosenPreset objectForKey:@"VFR"] intValue]];
            }
            else
            {
                [fPictureController setVFR:0];
            }
            /* Detelecine */
            if ([[chosenPreset objectForKey:@"PictureDetelecine"] intValue] == 1)
            {
                [fPictureController setDetelecine:[[chosenPreset objectForKey:@"PictureDetelecine"] intValue]];
            }
            else
            {
                [fPictureController setDetelecine:0];
            }
            /* Denoise */
            if ([chosenPreset objectForKey:@"PictureDenoise"])
            {
                [fPictureController setDenoise:[[chosenPreset objectForKey:@"PictureDenoise"] intValue]];
            }
            else
            {
                [fPictureController setDenoise:0];
            }   
            /* Deblock */
            if ([[chosenPreset objectForKey:@"PictureDeblock"] intValue] == 1)
            {
                [fPictureController setDeblock:[[chosenPreset objectForKey:@"PictureDeblock"] intValue]];
            }
            else
            {
                [fPictureController setDeblock:0];
            }             
        }
        [self calculatePictureSizing: NULL];
        [[fPresetsActionMenu itemAtIndex:0] setEnabled: YES];
    }
}


#pragma mark -
#pragma mark Manage Presets

- (void) loadPresets {
	/* We declare the default NSFileManager into fileManager */
	NSFileManager * fileManager = [NSFileManager defaultManager];
	/*We define the location of the user presets file */
    UserPresetsFile = @"~/Library/Application Support/HandBrake/UserPresets.plist";
	UserPresetsFile = [[UserPresetsFile stringByExpandingTildeInPath]retain];
    /* We check for the presets.plist */
	if ([fileManager fileExistsAtPath:UserPresetsFile] == 0) 
	{
		[fileManager createFileAtPath:UserPresetsFile contents:nil attributes:nil];
	}
		
	UserPresets = [[NSMutableArray alloc] initWithContentsOfFile:UserPresetsFile];
	if (nil == UserPresets) 
	{
		UserPresets = [[NSMutableArray alloc] init];
		[self addFactoryPresets:NULL];
	}
	[fPresetsOutlineView reloadData];
}


- (IBAction) showAddPresetPanel: (id) sender
{
    /* Deselect the currently selected Preset if there is one*/
    [fPresetsOutlineView deselectRow:[fPresetsOutlineView selectedRow]];

    /* Populate the preset picture settings popup here */
    [fPresetNewPicSettingsPopUp removeAllItems];
    [fPresetNewPicSettingsPopUp addItemWithTitle:@"None"];
    [fPresetNewPicSettingsPopUp addItemWithTitle:@"Current"];
    [fPresetNewPicSettingsPopUp addItemWithTitle:@"Source Maximum (post source scan)"];
    [fPresetNewPicSettingsPopUp selectItemAtIndex: 0];	
    /* Uncheck the preset use filters checkbox */
    [fPresetNewPicFiltersCheck setState:NSOffState];
    /* Erase info from the input fields*/
	[fPresetNewName setStringValue: @""];
	[fPresetNewDesc setStringValue: @""];
	/* Show the panel */
	[NSApp beginSheet: fAddPresetPanel modalForWindow: fWindow modalDelegate: NULL didEndSelector: NULL contextInfo: NULL];
}

- (IBAction) closeAddPresetPanel: (id) sender
{
    [NSApp endSheet: fAddPresetPanel];
    [fAddPresetPanel orderOut: self];
}

- (IBAction)addUserPreset:(id)sender
{
    if (![[fPresetNewName stringValue] length])
            NSRunAlertPanel(@"Warning!", @"You need to insert a name for the preset.", @"OK", nil , nil);
    else
    {
        /* Here we create a custom user preset */
        [UserPresets addObject:[self createPreset]];
        [self addPreset];
        
        [self closeAddPresetPanel:NULL];
    }
}
- (void)addPreset
{

	
	/* We Reload the New Table data for presets */
    [fPresetsOutlineView reloadData];
   /* We save all of the preset data here */
    [self savePreset];
}

- (void)sortPresets
{

	
	/* We Sort the Presets By Factory or Custom */
	NSSortDescriptor * presetTypeDescriptor=[[[NSSortDescriptor alloc] initWithKey:@"Type" 
                                                    ascending:YES] autorelease];
	/* We Sort the Presets Alphabetically by name  We do not use this now as we have drag and drop*/
	/*
    NSSortDescriptor * presetNameDescriptor=[[[NSSortDescriptor alloc] initWithKey:@"PresetName" 
                                                    ascending:YES selector:@selector(caseInsensitiveCompare:)] autorelease];
	//NSArray *sortDescriptors=[NSArray arrayWithObjects:presetTypeDescriptor,presetNameDescriptor,nil];
    
    */
    /* Since we can drag and drop our custom presets, lets just sort by type and not name */
    NSArray *sortDescriptors=[NSArray arrayWithObjects:presetTypeDescriptor,nil];
	NSArray *sortedArray=[UserPresets sortedArrayUsingDescriptors:sortDescriptors];
	[UserPresets setArray:sortedArray];
	

}

- (IBAction)insertPreset:(id)sender
{
    int index = [fPresetsOutlineView selectedRow];
    [UserPresets insertObject:[self createPreset] atIndex:index];
    [fPresetsOutlineView reloadData];
    [self savePreset];
}

- (NSDictionary *)createPreset
{
    NSMutableDictionary *preset = [[NSMutableDictionary alloc] init];
	/* Get the New Preset Name from the field in the AddPresetPanel */
    [preset setObject:[fPresetNewName stringValue] forKey:@"PresetName"];
	/*Set whether or not this is a user preset or factory 0 is factory, 1 is user*/
	[preset setObject:[NSNumber numberWithInt:1] forKey:@"Type"];
	/*Set whether or not this is default, at creation set to 0*/
	[preset setObject:[NSNumber numberWithInt:0] forKey:@"Default"];
	/*Get the whether or not to apply pic Size and Cropping (includes Anamorphic)*/
	[preset setObject:[NSNumber numberWithInt:[fPresetNewPicSettingsPopUp indexOfSelectedItem]] forKey:@"UsesPictureSettings"];
    /* Get whether or not to use the current Picture Filter settings for the preset */
    [preset setObject:[NSNumber numberWithInt:[fPresetNewPicFiltersCheck state]] forKey:@"UsesPictureFilters"];
 
    /* Get New Preset Description from the field in the AddPresetPanel*/
	[preset setObject:[fPresetNewDesc stringValue] forKey:@"PresetDescription"];
	/* File Format */
    [preset setObject:[fDstFormatPopUp titleOfSelectedItem] forKey:@"FileFormat"];
	/* Chapter Markers fCreateChapterMarkers*/
	[preset setObject:[NSNumber numberWithInt:[fCreateChapterMarkers state]] forKey:@"ChapterMarkers"];
	/* Allow Mpeg4 64 bit formatting +4GB file sizes */
	[preset setObject:[NSNumber numberWithInt:[fDstMp4LargeFileCheck state]] forKey:@"Mp4LargeFile"];
    /* Mux mp4 with http optimization */
    [preset setObject:[NSNumber numberWithInt:[fDstMp4HttpOptFileCheck state]] forKey:@"Mp4HttpOptimize"];
    /* Add iPod uuid atom */
    [preset setObject:[NSNumber numberWithInt:[fDstMp4iPodFileCheck state]] forKey:@"Mp4iPodCompatible"];
    
    /* Codecs */
	[preset setObject:[fDstCodecsPopUp titleOfSelectedItem] forKey:@"FileCodecs"];
	/* Video encoder */
	[preset setObject:[fVidEncoderPopUp titleOfSelectedItem] forKey:@"VideoEncoder"];
	/* x264 Option String */
	[preset setObject:[fAdvancedOptions optionsString] forKey:@"x264Option"];
	
	[preset setObject:[NSNumber numberWithInt:[fVidQualityMatrix selectedRow]] forKey:@"VideoQualityType"];
	[preset setObject:[fVidTargetSizeField stringValue] forKey:@"VideoTargetSize"];
	[preset setObject:[fVidBitrateField stringValue] forKey:@"VideoAvgBitrate"];
	[preset setObject:[NSNumber numberWithFloat:[fVidQualitySlider floatValue]] forKey:@"VideoQualitySlider"];
	
	/* Video framerate */
    if ([fVidRatePopUp indexOfSelectedItem] == 0) // Same as source is selected
	{
    [preset setObject:[NSString stringWithFormat: @"Same as source"] forKey:@"VideoFramerate"];
    }
    else // we can record the actual titleOfSelectedItem
    {
    [preset setObject:[fVidRatePopUp titleOfSelectedItem] forKey:@"VideoFramerate"];
    }
	/* GrayScale */
	[preset setObject:[NSNumber numberWithInt:[fVidGrayscaleCheck state]] forKey:@"VideoGrayScale"];
	/* 2 Pass Encoding */
	[preset setObject:[NSNumber numberWithInt:[fVidTwoPassCheck state]] forKey:@"VideoTwoPass"];
	/* Turbo 2 pass Encoding fVidTurboPassCheck*/
	[preset setObject:[NSNumber numberWithInt:[fVidTurboPassCheck state]] forKey:@"VideoTurboTwoPass"];
	/*Picture Settings*/
	hb_job_t * job = fTitle->job;
	/* Picture Sizing */
	/* Use Max Picture settings for whatever the dvd is.*/
	[preset setObject:[NSNumber numberWithInt:0] forKey:@"UsesMaxPictureSettings"];
	[preset setObject:[NSNumber numberWithInt:fTitle->job->width] forKey:@"PictureWidth"];
	[preset setObject:[NSNumber numberWithInt:fTitle->job->height] forKey:@"PictureHeight"];
	[preset setObject:[NSNumber numberWithInt:fTitle->job->keep_ratio] forKey:@"PictureKeepRatio"];
	[preset setObject:[NSNumber numberWithInt:fTitle->job->pixel_ratio] forKey:@"PicturePAR"];
    
    /* Set crop settings here */
	[preset setObject:[NSNumber numberWithInt:[fPictureController autoCrop]] forKey:@"PictureAutoCrop"];
    [preset setObject:[NSNumber numberWithInt:job->crop[0]] forKey:@"PictureTopCrop"];
    [preset setObject:[NSNumber numberWithInt:job->crop[1]] forKey:@"PictureBottomCrop"];
	[preset setObject:[NSNumber numberWithInt:job->crop[2]] forKey:@"PictureLeftCrop"];
	[preset setObject:[NSNumber numberWithInt:job->crop[3]] forKey:@"PictureRightCrop"];
    
    /* Picture Filters */
    [preset setObject:[NSNumber numberWithInt:[fPictureController deinterlace]] forKey:@"PictureDeinterlace"];
	[preset setObject:[NSNumber numberWithInt:[fPictureController detelecine]] forKey:@"PictureDetelecine"];
    [preset setObject:[NSNumber numberWithInt:[fPictureController vfr]] forKey:@"VFR"];
	[preset setObject:[NSNumber numberWithInt:[fPictureController denoise]] forKey:@"PictureDenoise"];
    [preset setObject:[NSNumber numberWithInt:[fPictureController deblock]] forKey:@"PictureDeblock"];
    

	
	/*Audio*/
	/* Audio Sample Rate*/
	[preset setObject:[fAudRatePopUp titleOfSelectedItem] forKey:@"AudioSampleRate"];
	/* Audio Bitrate Rate*/
	[preset setObject:[fAudBitratePopUp titleOfSelectedItem] forKey:@"AudioBitRate"];
	/* Subtitles*/
	[preset setObject:[fSubPopUp titleOfSelectedItem] forKey:@"Subtitles"];
    /* Forced Subtitles */
	[preset setObject:[NSNumber numberWithInt:[fSubForcedCheck state]] forKey:@"SubtitlesForced"];
    /* Dynamic Range Control Slider */
    [preset setObject:[NSNumber numberWithFloat:[fAudDrcSlider floatValue]] forKey:@"AudioDRCSlider"];
	

    [preset autorelease];
    return preset;

}

- (void)savePreset
{
    [UserPresets writeToFile:UserPresetsFile atomically:YES];
	/* We get the default preset in case it changed */
	[self getDefaultPresets: NULL];

}

- (IBAction)deletePreset:(id)sender
{
    int status;
    NSEnumerator *enumerator;
    NSNumber *index;
    NSMutableArray *tempArray;
    id tempObject;
    
    if ( [fPresetsOutlineView numberOfSelectedRows] == 0 )
        return;
    /* Alert user before deleting preset */
	/* Comment out for now, tie to user pref eventually */

    //NSBeep();
    status = NSRunAlertPanel(@"Warning!", @"Are you sure that you want to delete the selected preset?", @"OK", @"Cancel", nil);
    
    if ( status == NSAlertDefaultReturn ) {
        enumerator = [fPresetsOutlineView selectedRowEnumerator];
        tempArray = [NSMutableArray array];
        
        while ( (index = [enumerator nextObject]) ) {
            tempObject = [UserPresets objectAtIndex:[index intValue]];
            [tempArray addObject:tempObject];
        }
        
        [UserPresets removeObjectsInArray:tempArray];
        [fPresetsOutlineView reloadData];
        [self savePreset];   
    }
}

#pragma mark -
#pragma mark Manage Default Preset

- (IBAction)getDefaultPresets:(id)sender
{
	int i = 0;
    presetCurrentBuiltInCount = 0;
    NSEnumerator *enumerator = [UserPresets objectEnumerator];
	id tempObject;
	while (tempObject = [enumerator nextObject])
	{
		NSDictionary *thisPresetDict = tempObject;
		if ([[thisPresetDict objectForKey:@"Default"] intValue] == 1) // 1 is HB default
		{
			presetHbDefault = i;	
		}
		if ([[thisPresetDict objectForKey:@"Default"] intValue] == 2) // 2 is User specified default
		{
			presetUserDefault = i;	
		}
        if ([[thisPresetDict objectForKey:@"Type"] intValue] == 0) // Type 0 is a built in preset		
        {
			presetCurrentBuiltInCount++; // <--increment the current number of built in presets	
		}
		i++;
	}
}

- (IBAction)setDefaultPreset:(id)sender
{
    int i = 0;
    NSEnumerator *enumerator = [UserPresets objectEnumerator];
	id tempObject;
	/* First make sure the old user specified default preset is removed */
	while (tempObject = [enumerator nextObject])
	{
		/* make sure we are not removing the default HB preset */
		if ([[[UserPresets objectAtIndex:i] objectForKey:@"Default"] intValue] != 1) // 1 is HB default
		{
			[[UserPresets objectAtIndex:i] setObject:[NSNumber numberWithInt:0] forKey:@"Default"];
		}
		i++;
	}
	/* Second, go ahead and set the appropriate user specfied preset */
	/* we get the chosen preset from the UserPresets array */
	if ([[[UserPresets objectAtIndex:[fPresetsOutlineView selectedRow]] objectForKey:@"Default"] intValue] != 1) // 1 is HB default
	{
		[[UserPresets objectAtIndex:[fPresetsOutlineView selectedRow]] setObject:[NSNumber numberWithInt:2] forKey:@"Default"];
	}
	/*FIX ME: I think we now need to use the items not rows in NSOutlineView */
    presetUserDefault = [fPresetsOutlineView selectedRow];
	
	/* We save all of the preset data here */
    [self savePreset];
	/* We Reload the New Table data for presets */
    [fPresetsOutlineView reloadData];
}

- (IBAction)selectDefaultPreset:(id)sender
{
	/* if there is a user specified default, we use it */
	if (presetUserDefault)
	{
	[fPresetsOutlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:presetUserDefault] byExtendingSelection:NO];
	[self selectPreset:NULL];
	}
	else if (presetHbDefault) //else we use the built in default presetHbDefault
	{
	[fPresetsOutlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:presetHbDefault] byExtendingSelection:NO];
	[self selectPreset:NULL];
	}
}


#pragma mark -
#pragma mark Manage Built In Presets


- (IBAction)deleteFactoryPresets:(id)sender
{
    //int status;
    NSEnumerator *enumerator = [UserPresets objectEnumerator];
	id tempObject;
    
	//NSNumber *index;
    NSMutableArray *tempArray;


        tempArray = [NSMutableArray array];
        /* we look here to see if the preset is we move on to the next one */
        while ( tempObject = [enumerator nextObject] )  
		{
			/* if the preset is "Factory" then we put it in the array of
			presets to delete */
			if ([[tempObject objectForKey:@"Type"] intValue] == 0)
			{
				[tempArray addObject:tempObject];
			}
        }
        
        [UserPresets removeObjectsInArray:tempArray];
        [fPresetsOutlineView reloadData];
        [self savePreset];   

}

   /* We use this method to recreate new, updated factory
   presets */
- (IBAction)addFactoryPresets:(id)sender
{
   
   /* First, we delete any existing built in presets */
    [self deleteFactoryPresets: sender];
    /* Then we generate new built in presets programmatically with fPresetsBuiltin
    * which is all setup in HBPresets.h and  HBPresets.m*/
    [fPresetsBuiltin generateBuiltinPresets:UserPresets];
    [self sortPresets];
    [self addPreset];
    
}





@end

/*******************************
 * Subclass of the HBPresetsOutlineView *
 *******************************/

@implementation HBPresetsOutlineView
- (NSImage *)dragImageForRowsWithIndexes:(NSIndexSet *)dragRows tableColumns:(NSArray *)tableColumns event:(NSEvent*)dragEvent offset:(NSPointPointer)dragImageOffset
{
    fIsDragging = YES;

    // By default, NSTableView only drags an image of the first column. Change this to
    // drag an image of the queue's icon and PresetName columns.
    NSArray * cols = [NSArray arrayWithObjects: [self tableColumnWithIdentifier:@"icon"], [self tableColumnWithIdentifier:@"PresetName"], nil];
    return [super dragImageForRowsWithIndexes:dragRows tableColumns:cols event:dragEvent offset:dragImageOffset];
}



- (void) mouseDown:(NSEvent *)theEvent
{
    [super mouseDown:theEvent];
	fIsDragging = NO;
}



- (BOOL) isDragging;
{
    return fIsDragging;
}
@end