extended.m

uclinux 下的vlc播放器源代码

/*****************************************************************************
 * extended.m: MacOS X Extended interface panel
 *****************************************************************************
 * Copyright (C) 2005 the VideoLAN team
 * $Id: extended.m 15209 2006-04-14 09:37:39Z zorglub $
 *
 * Authors: Felix Kühne <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/


/*****************************************************************************
 * Note: 
 * the code used to bind with VLC's modules is heavily based upon 
 * ../wxwidgets/extrapanel.cpp, written by Clément Stenac.
 * the code used to insert/remove the views was inspired by intf.m, 
 * written by Derk-Jan Hartman and Benjamin Pracht. 
 * (all 3 are members of the VideoLAN team) 
 *****************************************************************************/


/*****************************************************************************
 * Preamble
 *****************************************************************************/

#import "extended.h"
#import "intf.h"
#import "vout.h"
#import <vlc/aout.h>
#import <aout_internal.h>
#import <vlc/vout.h>
#import <vlc/intf.h>

/*****************************************************************************
 * VLCExtended implementation
 *****************************************************************************/

@implementation VLCExtended

static VLCExtended *_o_sharedInstance = nil;

+ (VLCExtended *)sharedInstance
{
    return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
}

- (id)init
{
    if (_o_sharedInstance) {
        [self dealloc];
    } else {
        _o_sharedInstance = [super init];
    }

    return _o_sharedInstance;
}

/*****************************************************************************
 * GUI methods
 *****************************************************************************/

- (void)initStrings
{
    /* localise GUI-strings */
    /* method is called from intf.m (in method showExtended) */
    [o_extended_window setTitle: _NS("Extended controls")];
    [o_lbl_video setStringValue: _NS("Video")];
    [o_lbl_audio setStringValue: _NS("Audio")];
    [o_lbl_audioFlts setStringValue: _NS("Audio filters")];
    [o_lbl_videoFlts setStringValue: _NS("Video filters")];
    [o_lbl_adjustImage setStringValue: _NS("Image adjustment")];
    [o_btn_vidFlts_mrInfo setTitle: _NS("More Info")];
    [o_ckb_blur setTitle: _NS("Blurring")];
    [o_ckb_blur setToolTip: _NS("Adds motion blurring to the image")];
    [o_ckb_distortion setTitle: _NS("Distortion")];
    [o_ckb_distortion setToolTip: _NS("Adds distortion effects")];
    [o_ckb_imgClone setTitle: _NS("Image clone")];
    [o_ckb_imgClone setToolTip: _NS("Creates several copies of the Video " \
                                    "output window" )];
    [o_ckb_imgCrop setTitle: _NS("Image cropping")];
    [o_ckb_imgCrop setToolTip: _NS("Crops a defined part of the image")];
    [o_ckb_imgInvers setTitle: _NS("Image inversion")];
    [o_ckb_imgInvers setToolTip: _NS("Inverts the colors of the image")];
    [o_ckb_trnsform setTitle: _NS("Transformation")];
    [o_ckb_trnsform setToolTip: _NS("Rotates or flips the image")];
    [o_ckb_vlme_norm setTitle: _NS("Volume normalization")];
    [o_ckb_vlme_norm setToolTip: _NS("Prevents the audio output from going " \
        "over a predefined value.")];
    [o_ckb_hdphnVirt setTitle: _NS("Headphone virtualization")];
    [o_ckb_hdphnVirt setToolTip: _NS("Imitates the effect of surround sound " \
        "when using headphones.")];
    [o_lbl_maxLevel setStringValue: _NS("Maximum level")];
    [o_btn_rstrDefaults setTitle: _NS("Restore Defaults")];
    [o_ckb_enblAdjustImg setTitle: _NS("Enable")];
    [o_lbl_brightness setStringValue: _NS("Brightness")];
    [o_lbl_contrast setStringValue: _NS("Contrast")];
    [o_lbl_gamma setStringValue: _NS("Gamma")];
    [o_lbl_hue setStringValue: _NS("Hue")];
    [o_lbl_saturation setStringValue: _NS("Saturation")];
    [o_lbl_opaque setStringValue: _NS("Opaqueness")];
    
}

- (void)awakeFromNib
{
    /* set the adjust-filter-sliders to the values from the prefs and enable
     * them, if wanted */
    char * psz_vfilters;
    intf_thread_t * p_intf = VLCIntf;
    psz_vfilters = config_GetPsz( p_intf, "vout-filter" );
    if( psz_vfilters && strstr( psz_vfilters, "adjust" ) )
    {
        [o_ckb_enblAdjustImg setState: NSOnState];
        [o_btn_rstrDefaults setEnabled: YES];
        [o_sld_brightness setEnabled: YES];
        [o_sld_contrast setEnabled: YES];
        [o_sld_gamma setEnabled: YES];
        [o_sld_hue setEnabled: YES];
        [o_sld_saturation setEnabled: YES];
    }
    else
    {
        [o_ckb_enblAdjustImg setState: NSOffState];
        [o_btn_rstrDefaults setEnabled: NO];
        [o_sld_brightness setEnabled: NO];
        [o_sld_contrast setEnabled: NO];
        [o_sld_gamma setEnabled: NO];
        [o_sld_hue setEnabled: NO];
        [o_sld_saturation setEnabled: NO];
    }
    
    /* set the other video-filter-checkboxes to the correct values */
    if( psz_vfilters )
    {
        [o_ckb_blur setState: (int)strstr( psz_vfilters, "motionblur")];
        [o_ckb_distortion setState: (int)strstr( psz_vfilters, "distort")];
        [o_ckb_imgClone setState: (int)strstr( psz_vfilters, "clone")];
        [o_ckb_imgCrop setState: (int)strstr( psz_vfilters, "crop")];
        [o_ckb_imgInvers setState: (int)strstr( psz_vfilters, "invert")];
        [o_ckb_trnsform setState: (int)strstr( psz_vfilters, "transform")];
        
        free( psz_vfilters );
    }
    
    /* set the audio-filter-checkboxes to the values taken from the prefs */
    char * psz_afilters;
    psz_afilters = config_GetPsz( p_intf, "audio-filter" );
    if( psz_afilters )
    {
        [o_ckb_hdphnVirt setState: (int)strstr( psz_afilters, "headphone" ) ];
        [o_ckb_vlme_norm setState: (int)strstr( psz_afilters, "normvol" ) ];
        
        free( psz_afilters );
    }
}

- (void)collapsAll
{
    /* collaps all views so Cocoa saves the window position correctly */
    if( o_adjImg_expanded )
    {
        [self extWin_exp_adjImg: nil];
    }
    if( o_audFlts_expanded )
    {
        [self extWin_exp_audFlts: nil];
    }
    if( o_vidFlts_expanded )
    {
        [self extWin_exp_vidFlts: nil];
    }
}

- (BOOL)getConfigChanged
{
    return o_config_changed;
}

- (void)showPanel
{
    /* get the correct slider values from the prefs, in case they were changed
     * elsewhere */
    intf_thread_t * p_intf = VLCIntf;

    int i_value = config_GetInt( p_intf, "hue" );
    if( i_value > 0 && i_value < 360 )
    {
        [o_sld_hue setIntValue: i_value];
    }

    float f_value;
    
    f_value = config_GetFloat( p_intf, "saturation" );
    if( f_value > 0 && f_value < 5 )
    {
        [o_sld_saturation setIntValue: (int)(100 * f_value) ];
    }

    f_value = config_GetFloat( p_intf, "contrast" );
    if( f_value > 0 && f_value < 4 )
    {
        [o_sld_contrast setIntValue: (int)(100 * f_value) ];
    }

    f_value = config_GetFloat( p_intf, "brightness" );
    if( f_value > 0 && f_value < 2 )
    {
        [o_sld_brightness setIntValue: (int)(100 * f_value) ];
    }

    f_value = config_GetFloat( p_intf, "gamma" );
    if( f_value > 0 && f_value < 10 )
    {
        [o_sld_gamma setIntValue: (int)(10 * f_value) ];
    }

    f_value = config_GetFloat( p_intf, "norm-max-level" );
    if( f_value > 0 && f_value < 10 )
    {
        [o_sld_maxLevel setFloatValue: f_value ];
    }

    [o_sld_opaque setFloatValue: (config_GetFloat( p_intf, \
        "macosx-opaqueness") * 100)];


    /* show the window */
    [o_extended_window displayIfNeeded];
    [o_extended_window makeKeyAndOrderFront:nil];
}

- (IBAction)adjImg_Enbl:(id)sender
{
    /* en-/disable the sliders */
    if ([o_ckb_enblAdjustImg state] == NSOnState)
    {
        [o_btn_rstrDefaults setEnabled: YES];
        [o_sld_brightness setEnabled: YES];
        [o_sld_contrast setEnabled: YES];
        [o_sld_gamma setEnabled: YES];
        [o_sld_hue setEnabled: YES];
        [o_sld_saturation setEnabled: YES];
        [self changeVFiltersString: "adjust" onOrOff: VLC_TRUE];
    }else{
        [o_btn_rstrDefaults setEnabled: NO];
        [o_sld_brightness setEnabled: NO];
        [o_sld_contrast setEnabled: NO];
        [o_sld_gamma setEnabled: NO];
        [o_sld_hue setEnabled: NO];
        [o_sld_saturation setEnabled: NO];
        [self changeVFiltersString: "adjust" onOrOff: VLC_FALSE];
    }
}

- (IBAction)adjImg_rstrDefaults:(id)sender
{
    /* reset the sliders */
    [o_sld_brightness setIntValue: 100];
    [o_sld_contrast setIntValue: 100];
    [o_sld_gamma setIntValue: 10];
    [o_sld_hue setIntValue: 0];
    [o_sld_saturation setIntValue: 100];
    
    /* transmit the values */
    [self adjImg_sliders: o_sld_brightness];
    [self adjImg_sliders: o_sld_contrast];
    [self adjImg_sliders: o_sld_gamma];
    [self adjImg_sliders: o_sld_hue];
    [self adjImg_sliders: o_sld_saturation];
}

- (IBAction)adjImg_sliders:(id)sender
{
    /* read-out the sliders' values and apply them */
    intf_thread_t * p_intf = VLCIntf;
    vout_thread_t *p_vout = (vout_thread_t *)vlc_object_find(p_intf,
                                 VLC_OBJECT_VOUT, FIND_ANYWHERE);
    if( p_vout == NULL )
    {
        if (sender == o_sld_brightness)
        {
            config_PutFloat( p_intf , "brightness" , [o_sld_brightness floatValue] / 100);
        } else if (sender == o_sld_contrast)
        {
            config_PutFloat( p_intf , "contrast" , [o_sld_contrast floatValue] / 100);
        } else if (sender == o_sld_gamma)
        {
            config_PutFloat( p_intf , "gamma" , [o_sld_gamma floatValue] / 10);
        } else if (sender == o_sld_hue)
        {
            config_PutInt( p_intf , "hue" , [o_sld_hue intValue]);
        } else if (sender == o_sld_saturation)
        {
            config_PutFloat( p_intf , "saturation" , [o_sld_saturation floatValue] / 100);
        } else {
            msg_Warn( p_intf, "the corresponding subfilter coundn't be found" );
        }
    } else {
        vlc_value_t val;
        if (sender == o_sld_brightness)
        {
            val.f_float = [o_sld_brightness floatValue] / 100;
            var_Set( p_vout, "brightness", val );
            config_PutFloat( p_intf , "brightness" , [o_sld_brightness floatValue] / 100);
        } else if (sender == o_sld_contrast)
        {
            val.f_float = [o_sld_contrast floatValue] / 100;
            var_Set( p_vout, "contrast", val );
            config_PutFloat( p_intf , "contrast" , [o_sld_contrast floatValue] / 100);
        } else if (sender == o_sld_gamma)
        {
            val.f_float = [o_sld_gamma floatValue] / 10;
            var_Set( p_vout, "gamma", val );
            config_PutFloat( p_intf , "gamma" , [o_sld_gamma floatValue] / 10);
        } else if (sender == o_sld_hue)
        {
            val.i_int = [o_sld_hue intValue];
            var_Set( p_vout, "hue", val );
            config_PutInt( p_intf , "hue" , [o_sld_hue intValue]);
        } else if (sender == o_sld_saturation)
        {
            val.f_float = [o_sld_saturation floatValue] / 100;
            var_Set( p_vout, "saturation", val );
            config_PutFloat( p_intf , "saturation" , [o_sld_saturation floatValue] / 100);
        } else {
            msg_Warn( p_intf, "the corresponding subfilter coundn't be found" );
        }
        vlc_object_release( p_vout );
    }

    o_config_changed = YES;
}

/* change the opaqueness of the vouts */
- (IBAction)adjImg_opaque:(id)sender
{
    vlc_value_t val;
    id o_window = [NSApp keyWindow];
    NSArray *o_windows = [NSApp orderedWindows];
    NSEnumerator *o_enumerator = [o_windows objectEnumerator];
    playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST, \
        FIND_ANYWHERE );
    vout_thread_t *p_vout = vlc_object_find( VLCIntf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
    vout_thread_t *p_real_vout;

    val.f_float = [o_sld_opaque floatValue] / 100;


    if( p_vout != NULL )
    {
        p_real_vout = [VLCVoutView getRealVout: p_vout];
        var_Set( p_real_vout, "macosx-opaqueness", val );

        while ((o_window = [o_enumerator nextObject]))
        {
            if( [[o_window className] isEqualToString: @"VLCWindow"] ||
                [[[VLCMain sharedInstance] getEmbeddedList]
                                    windowContainsEmbedded: o_window])
            {
                [o_window setAlphaValue: val.f_float];
            }
            break;
        }
        vlc_object_release( p_vout );
    }
    
    /* store to prefs */
    config_PutFloat( p_playlist , "macosx-opaqueness" , val.f_float );
    
    vlc_object_release( p_playlist );

    o_config_changed = YES;
}

- (IBAction)audFtls_hdphnVirt:(id)sender
{
    /* en-/disable headphone virtualisation */
    if ([o_ckb_hdphnVirt state] == NSOnState)
    {
        [self changeAFiltersString: "headphone_channel_mixer" onOrOff: VLC_TRUE ];
    }else{
        [self changeAFiltersString: "headphone_channel_mixer" onOrOff: VLC_FALSE ];
    }
}

- (IBAction)audFtls_maxLevelSld:(id)sender
{