This file is indexed.

/usr/share/perl5/AcidRip/signals.pm is in acidrip 0.14-0.2ubuntu8.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
#!/usr/bin/perl -w

package acidrip;
require 5.005;
use strict;
use Data::Dumper;

use AcidRip::acidrip;
use File::Basename;

sub quit_acidrip {
		
  if ( $::settings->{'mencoder_pid'} > 0 ) {
    my $confirm = Gtk2::MessageDialog->new( $::widgets->{'acidrip'}, [qw/modal destroy-with-parent/], 'question', 'yes-no', "Are you sure you want to stop the encoding process?" );
    my $m = $::settings->{'mencoder_pid'} + 1;
    if ( $confirm->run eq 'yes' ) {
			kill 'INT', $::settings->{'mencoder_pid'};
      kill 'INT', $m if `ps $m | grep mencoder` || `ps $m | grep mplayer`;
			Gtk2->main_quit;
		}
    $confirm->destroy;
	} else {
    Gtk2->main_quit;
  }
  
}

sub on_select_audio {
  my ( $widget, $this_audio ) = @_;
  $::settings->{'selected_audio'} = $this_audio;
  if ( $this_audio > 0 ) {
    my $audio = get_audio($this_audio);
    message("selected_audio changed to $this_audio - Channels $audio->{'channels'} frequency $audio->{'frequency'} quant. $audio->{'quantization'}");
    set_bitrate();
  }
}

sub on_mpegfile_option_changed {
  my $widget = shift;
  $::settings->{'mpegfile'} = $widget->get_history;
  message( "********************\nMPEG container selected. Please note that you MUST use a compatible mpeg1 video stream, "
      . "select lavc video output, using vcodec=mpeg1video. For a useful output you will probably want to choose a suitable encoding matrix."
      . "for example, create a kvcd file with vcodec=mpeg1video:keyint=25:mbd=2:vrc_minrate=300:vrc_maxrate=2400:vrc_buf_size=320:"
      . "intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,12,14,18,27,29,34,37,38,22,"
      . "26,27,31,36,37,38,40,26,27,29,36,39,38,40,48,27,29,34,37,38,40,48,58,29,34,37,38,40,"
      . "48,58,69,34,37,38,40,48,58,69,79:inter_matrix=16,18,20,22,24,26,28,30,18,20,22,24,26,"
      . "28,30,32,20,22,24,26,28,30,32,34,22,24,26,30,32,32,34,36,24,26,28,32,34,34,36,38,26,"
      . "28,30,32,34,36,38,40,28,30,32,34,36,38,42,42,30,32,34,36,38,40,42,44\nAnd don't forget to set VALID scale values etc...\n********************" )
    if $::settings->{'mpegfile'};
  message( "Filetype changed to " . ( $::settings->{'mpegfile'} ? ".mpg - READ DEBUG COMMENT! --->" : ".avi" ) );
}

sub on_select_subp {
  my ( $widget, $this_subp ) = @_;
  $::settings->{'selected_subp'} = $this_subp;
  message("Selected_subp changed to $::settings->{'selected_subp'}");
}

sub on_select_track {
  my ( $selection, $model ) = @_;
  my $x;
  my @newitem = $selection->get_selected_rows;
  my $length;

  return if not defined $newitem[0];

  my $newitem    = ( $newitem[0]->get_indices )[0] + 1;
  my $this_track = get_track($newitem);

  # count total and collapse if odd?
  $::settings->{'selected_chapters_start'} = 0;
  $::settings->{'selected_chapters_end'}   = 0;
  foreach (@newitem) {
    ( $selection->get_tree_view )->collapse_all if ( $_->get_depth == 1 && defined $this_track->{'chapter'} );
    if ( $_->get_depth == 2 ) {
      $::settings->{'selected_chapters_start'} = ( $_->get_indices )[1] + 1 if $::settings->{'selected_chapters_start'} == 0;
      $::settings->{'selected_chapters_end'} = ( $_->get_indices )[1] + 1;
    }
  }
  $::settings->{'selected_track'} = $this_track->{'ix'};

  if ( $::settings->{'selected_chapters_start'} && defined $this_track->{'chapter'} ) {
    $::settings->{'length'} = hhmmss( get_selection_length( $::settings->{'selected_chapters_start'}, $::settings->{'selected_chapters_end'} ) );
    $::widgets->{'selected_track_label'}->set_text(
      "Selected Track $::settings->{'selected_track'} " . "Ch $::settings->{'selected_chapters_start'}-$::settings->{'selected_chapters_end'} - " . $::settings->{'length'} );
  }
  else {
    $::settings->{'length'} = hhmmss( $this_track->{'length'} );
    $::widgets->{'selected_track_label'}->set_text( "Selected Track $newitem - " . $::settings->{'length'} );
  }

  #load the correct audio entries for the menu
  my $audio_menu = Gtk2::Menu->new;
  $::widgets->{'audio_track_option'}->set_menu($audio_menu);
  my $default_audio = -1;
  my $audio_item;
  if ( $::dvd->{'source'} eq "dvd" ) {
    foreach ( reverse( @{ $this_track->{'audio'} } ) ) {
      if ( defined $_->{'langcode'} || defined $_->{'language'} ) {
        $default_audio = $_->{'ix'} if $_->{'langcode'} eq $::settings->{'language'} || $_->{'language'} eq $::settings->{'language'};
      }
    }

    foreach my $this_audio ( @{ $this_track->{'audio'} } ) {
      my $label = $this_audio->{'ix'};
      $label .= ": " . $this_audio->{'language'} if defined $this_audio->{'language'};
      if ( defined $this_audio->{'content'} ) {
        $label = $label . ": " . $this_audio->{'content'} if $this_audio->{'content'} ne "Undefined";
      }
      $audio_item = Gtk2::MenuItem->new($label);
      $audio_item->signal_connect( 'activate', \&on_select_audio, $this_audio->{'ix'} );
      $audio_menu->append($audio_item);
      $audio_item->show;
    }
  }
  $audio_item = Gtk2::MenuItem->new("<None>");
  $audio_item->signal_connect( 'activate', \&on_select_audio, -2 );
  $audio_menu->prepend($audio_item);
  $audio_item->show;

  $audio_item = Gtk2::MenuItem->new( "<Default> " . $::settings->{'language'} );
  $audio_item->signal_connect( 'activate', \&on_select_audio, $default_audio );
  $audio_menu->prepend($audio_item);
  $audio_item->show;
  $::widgets->{'audio_track_option'}->set_history(0);

  my $subp_menu = Gtk2::Menu->new;
  $::widgets->{'subp_option'}->set_menu($subp_menu);
  my $subp_item = Gtk2::MenuItem->new("<None>");
  $subp_item->signal_connect( 'select', \&on_select_subp, -1 );
  $subp_menu->append($subp_item);
  $subp_item->show;
  $::widgets->{'subp_option'}->set_history(0);

  foreach my $this_subp ( @{ $this_track->{'subp'} } ) {
    my $subp_ix = $this_subp->{'ix'};
    my $label   = $subp_ix . ": " . $this_subp->{'language'};
    $label .= ": " . $this_subp->{'content'} if $this_subp->{'content'} ne "Undefined";
    $subp_item = new_with_label Gtk2::MenuItem($label);
    $subp_item->signal_connect( 'activate', \&on_select_subp, $subp_ix );
    $subp_menu->append($subp_item);
    $subp_item->show;
  }
  set_bitrate();
	split_track() if $::dvd->{'source'} eq "dvd" and $::settings->{'total_blocks'} > 1;
}

sub on_scale_lock_check_clicked {
  my $widget = shift;
  $::widgets->{'scale_height_spin'}->set_sensitive( !$widget->get_active );
  if ( $widget->get_active ) {
    $::widgets->{'scale_height_spin'}->hide;
    $::widgets->{'scale_height_estimate_entry'}->show;
    $::widgets->{'scale_height_spin'}->set_value("-2");
  }
  else {
    $::widgets->{'scale_height_spin'}->show;
    $::widgets->{'scale_height_estimate_entry'}->hide;
    $::widgets->{'scale_height_spin'}->set_value( $::widgets->{'scale_height_estimate_entry'}->get_text );
  }
}

sub on_filesize_changed {
  my $free      = 0;
  my $size      = $::settings->{'filesize'} * $::settings->{'total_blocks'};
  my $directory = dirname( substitute_filename( $::settings->{'filename'} ) );
  open( DF, "df $directory |" ) if -w $directory;
  return if not -w $directory;
  while (<DF>) {
    my @array = split /\s+/;
    $free = $array[3] / 1024 if $. != 1;
  }
  close DF;
  $free = sprintf( "%d", $free );
  set_warning_text( $::widgets->{'filesize_spin'}, $free <= $size ? 1 : 0 );
  my $warn_block = $::settings->{'total_blocks'} > 1 ? 1 : 0;
  set_warning_text( $::widgets->{'total_blocks_spin'}, $free <= $size ? $warn_block : 0 );
  $::settings->{'enough_space'} = $free <= $size ? 0 : 1;
  set_bitrate();
}

sub on_bpp_changed {
  my $widget  = shift;
  my $bpp     = $widget->get_text || 0;
  my $message = "Bits per pixel is ";
  my $warn;

  if    ( $bpp < 0.10 ) { $message .= "FAR too low!!, increase file size or reduce resolution";                      $warn = 1 }
  elsif ( $bpp < 0.15 ) { $message .= "quite low, output will probably suck, increase filesize or lower resolution"; $warn = 0.5 }
  elsif ( $bpp < 0.20 ) { $message .= "alright, output will be a bit blocky, but generally ok.";                     $warn = 0 }
  elsif ( $bpp < 0.25 ) { $message .= "super, output should look pretty good";                                       $warn = 0 }
  elsif ( $bpp < 0.30 ) { $message .= "quite high, not much to gain here. might want a slightly higher resolution";  $warn = 0.5 }
  else { $message .= "very high, you'll waste the space, try a bigger resolution"; $warn = 1 }

  set_warning_text( $widget, $warn );

  $::widgets->{'tooltips'}->set_tip( $widget, $message );
}

sub on_crop_detect_button_clicked {
  message("Crop detection in progress... please wait");

  while ( Gtk2->events_pending() ) { Gtk2->main_iteration() }

  my $crop = "fail";
  my $crop_output;
  ( $crop, $crop_output ) = find_crop( $::settings->{'selected_track'} );
  $::widgets->{'mencoder_output_text'}->get_buffer->insert_with_tags_by_name( $::widgets->{'mencoder_output_text'}->get_buffer->get_end_iter, $crop_output, 'mplayer' );

  if ( defined $crop && $crop =~ /crop=(\d+):(\d+):(\d+):(\d+)/ ) {
    set_setting( 'crop_width',      $1 );
    set_setting( 'crop_height',     $2 );
    set_setting( 'crop_horizontal', $3 );
    set_setting( 'crop_vertical',   $4 );
    message('Crop detection completed');
  }
  else { message( 'Crop detection failed, is the DVD loaded?', 'error' ) }
}

sub on_crop_preview_button_clicked {
  if ( defined $::dvd->{'track'} ) {
    $::widgets->{'stop_preview_button'}->show;
    $::widgets->{'preview_button'}->hide;
    $::widgets->{'preview_socket_frame'}->show;
    $::widgets->{'preview_logo'}->hide if defined $::widgets->{'preview_logo'};

    #fork proofing
    open STDIN, '/dev/null' or message("Can't read /dev/null: $!. May fail if in background");

    message("Preview command: ");
    message("Previewing crop window");
    while ( Gtk2->events_pending() ) { Gtk2->main_iteration() }

    my $mplayer_output = '';

    my $preview = get_command("preview");

    message("Preview command: $preview");
    message("Previewing crop window");

    $/ = "\r";
    $::settings->{'mencoder_pid'} = open( PREVIEW, "$preview 2>&1 |" );
    while (<PREVIEW>) {
      $::widgets->{'preview_socket'}->set_size_request( $1, $2 ) if /\s=>\s(\d+)x(\d+)/ && $::settings->{'embed_preview'};
      $mplayer_output .= $_ if $_ !~ /crop|^A:/;
      while ( Gtk2->events_pending() ) { Gtk2->main_iteration() }
    }
    $/ = "\n";
    close PREVIEW;
    message($mplayer_output);
    message("Preview finished");
    $::widgets->{'stop_preview_button'}->hide;
    $::widgets->{'preview_button'}->show;
    $::widgets->{'preview_socket_frame'}->hide;
    $::widgets->{'preview_logo'}->show if defined $::widgets->{'preview_logo'};

  }
  else { message("Preview failed, is the DVD loaded?") }
}

sub on_info_field_select {
  my ( $widget, $value ) = @_;
  $::widgets->{'info_name_entry'}->hide;
  $::widgets->{'info_artist_entry'}->hide;
  $::widgets->{'info_genre_entry'}->hide;
  $::widgets->{'info_subject_entry'}->hide;
  $::widgets->{'info_comment_entry'}->hide;
  $::widgets->{'info_copyright_entry'}->hide;
  $::widgets->{ 'info_' . $value . '_entry' }->show;
}

sub on_setting_finished {
  my $widget = shift;
  my $name   = $::widgets->get_widget_name($widget);
  $name =~ /([\w_]+)_\w+/;
  my $data = $1;
  my $ref  = ref $widget;
  my $value;

  if    ( $ref eq "Gtk2::Entry" )      { $value = $widget->get_text }
  elsif ( $ref eq "Gtk2::SpinButton" ) { $value = $widget->get_value_as_int }
  elsif ( $ref eq "Gtk2::CheckButton" || $ref eq "Gtk2::ToggleButton" ) {
    if ( $widget->get_active ) { $value = 1 }
    else { $value = 0 }
  }

  message("$data has been set to $value") if $::settings->{$data} ne $value || $ref eq "Gtk2::SpinButton";
  $::settings->{$data} = $value;
  on_setting_changed($widget);

  return 0;
}

sub enable_crop_control {
  my $value = shift;
  $::widgets->{'crop_width_spin'}->set_sensitive($value);
  $::widgets->{'crop_width_label'}->set_sensitive($value);
  $::widgets->{'crop_height_spin'}->set_sensitive($value);
  $::widgets->{'crop_height_label'}->set_sensitive($value);
  $::widgets->{'crop_vertical_spin'}->set_sensitive($value);
  $::widgets->{'crop_vertical_label'}->set_sensitive($value);
  $::widgets->{'crop_horizontal_spin'}->set_sensitive($value);
  $::widgets->{'crop_horizontal_label'}->set_sensitive($value);
  $::widgets->{'crop_detect_button'}->set_sensitive($value);
  $::settings->{'crop_width'}  = $value ? $::widgets->{'crop_width_spin'}->get_value  : 0;
  $::settings->{'crop_height'} = $value ? $::widgets->{'crop_height_spin'}->get_value : 0;
  set_bpp();
}

sub enable_scale_control {
  my $value = shift;
  $::widgets->{'scale_width_spin'}->set_sensitive($value);
  $::widgets->{'scale_width_label'}->set_sensitive($value);
  $::widgets->{'scale_height_spin'}->set_sensitive($value);
  $::widgets->{'scale_height_label'}->set_sensitive($value);
  $::widgets->{'scale_height_estimate_entry'}->set_sensitive($value);
  $::widgets->{'scale_lock_check'}->set_sensitive($value);
  $::settings->{'scale_width'}  = $value ? $::widgets->{'scale_width_spin'}->get_value  : 0;
  $::settings->{'scale_height'} = $value ? $::widgets->{'scale_height_spin'}->get_value : 0;
  set_bpp();
}

sub on_option_changed {
  my $widget = shift;
  my $value  = shift;
  my $menu   = $widget->get_parent;
  my $name   = $::widgets->get_widget_name($menu);
  $name =~ /([\w_]+)_\w+/;
  $name = $1;
  $::settings->{$name} = $value;
  message("$1 has been set to $value");

  if ( $name eq "video_codec" ) {
    message( $::settings->{'available_video'}{$value} );
    my $enable = ( $value eq "lavc" || $value eq "xvid" || $value eq "divx4" );
    $::widgets->{'video_bitrate_entry'}->set_sensitive($enable);
    $::widgets->{'video_bitrate_label'}->set_sensitive($enable);
    $::widgets->{'video_bitrate_lock_check'}->set_sensitive($enable);
    $::widgets->{'video_bpp_entry'}->set_sensitive($enable);
    $::widgets->{'video_bpp_label'}->set_sensitive($enable);
    $::widgets->{'video_passes_spin'}->set_sensitive($enable);
    $::widgets->{'video_passes_label'}->set_sensitive($enable);
    $::widgets->{'filesize_spin'}->set_sensitive($enable);

    $enable = ( $enable || $value eq "nuv" );
    $::widgets->{'video_options_entry'}->set_text( $::settings->{ $value . '_options' } or "" );
    $::widgets->{'video_options_entry'}->set_sensitive($enable);
    $::widgets->{'video_options_label'}->set_sensitive($enable);

    $enable = ( $value ne "copy" );
    enable_crop_control($enable);
    enable_scale_control($enable);
    $::widgets->{'crop_enable_check'}->set_sensitive($enable);
    $::widgets->{'crop_detect_button'}->set_sensitive($enable);
    $::widgets->{'scale_enable_check'}->set_sensitive($enable);
    $::widgets->{'vf_pre_enable_check'}->set_sensitive($enable);
    $::widgets->{'vf_post_enable_check'}->set_sensitive($enable);
    $::widgets->{'vf_pre_entry'}->set_sensitive($enable);
    $::widgets->{'vf_post_entry'}->set_sensitive($enable);
  }
  if ( $name eq "audio_codec" ) {
    message( $::settings->{'available_audio'}{$value} );
    my $enable = ( $value eq "mp3lame" or $value eq "lavc" );
    $::widgets->{'audio_options_entry'}->set_sensitive($enable);
    $::widgets->{'audio_options_label'}->set_sensitive($enable);
    $::widgets->{'audio_gain_label'}->set_sensitive( $::settings->{"audio_codec"} ne "copy" );
    $::widgets->{'audio_gain_spin'}->set_sensitive( $::settings->{"audio_codec"}  ne "copy" );
    $::widgets->{'audio_options_entry'}->set_text( $::settings->{ "audio_" . $value . "_options" } or "" );
  }
  set_bpp();
}

# Sets trivial data, and UI manipulation
sub on_setting_changed {
  my $widget = shift;
  my $name   = $::widgets->get_widget_name($widget);
  $name =~ /([\w_]+)_\w+/;
  my $data = $1;
  my $ref  = ref $widget;
  my $value;
  my $boolean;
  my $encode = 1;

  if    ( $ref eq "Gtk2::Entry" )      { $value = $widget->get_text }
  elsif ( $ref eq "Gtk2::SpinButton" ) { $value = $widget->get_value_as_int }
  elsif ( $ref eq "Gtk2::CheckButton" || $ref eq "Gtk2::ToggleButton" ) {
    if ( $widget->get_active ) { $value = 1 }
    else { $value = 0 }
  }
  $::settings->{$data} = $value;

  if ( $widget eq $::widgets->{'video_bitrate_spin'} ) {
    set_bitrate() if $::settings->{'video_bitrate_lock'};
    set_bpp();
  }
  if ( $widget eq $::widgets->{'filesize_spin'} ) {
    set_bitrate() if defined $::dvd->{'track'};
  }
  if ( $widget eq $::widgets->{'total_blocks_spin'} ) {

    #on_filesize_changed();
    split_track() if defined $::dvd->{'track'};

    #set_bitrate() if defined $::dvd->{'track'};
  }
  if ( $widget eq $::widgets->{'tooltips_check'} ) {
    if ( $widget->get_active ) {
      $::widgets->{'tooltips'}->enable;
    }
    else {
      $::widgets->{'tooltips'}->disable;
    }
  }
  if ( $widget eq $::widgets->{'crop_enable_check'} ) {
    enable_crop_control( $::widgets->{'crop_enable_check'}->get_active && $encode );
  }
  if ( $widget eq $::widgets->{'scale_enable_check'} ) {
    enable_scale_control( $::widgets->{'scale_enable_check'}->get_active && $encode );
  }
  if ( $widget eq $::widgets->{'vf_pre_enable_check'} ) {
    $boolean = $::widgets->{'vf_pre_enable_check'}->get_active && $encode;
    $::widgets->{'vf_pre_entry'}->set_sensitive($boolean);
  }
  if ( $widget eq $::widgets->{'vf_post_enable_check'} ) {
    $boolean = $::widgets->{'vf_post_enable_check'}->get_active && $encode;
    $::widgets->{'vf_post_entry'}->set_sensitive($boolean);
  }
  if ( $widget eq $::widgets->{'video_bitrate_lock_check'} ) {
    if ($value) {
      $::widgets->{'video_bitrate_spin'}->show;
      $::widgets->{'video_bitrate_entry'}->hide;
      $::widgets->{'filesize_spin'}->hide;
      $::widgets->{'filesize_entry'}->show;
      $::widgets->{'filesize_entry'}->set_text( $::widgets->{'filesize_spin'}->get_value_as_int );
      set_bitrate();
    }
    else {
      $::widgets->{'video_bitrate_spin'}->hide;
      $::widgets->{'video_bitrate_entry'}->show;
      $::widgets->{'filesize_spin'}->show;
      $::widgets->{'filesize_entry'}->hide;
      $::widgets->{'video_bitrate_entry'}->set_text( $::widgets->{'video_bitrate_spin'}->get_value_as_int );
    }
  }
  if ( $widget eq $::widgets->{'video_options_entry'} ) {
    $::settings->{ $::settings->{'video_codec'} . "_options" } = $::widgets->{'video_options_entry'}->get_text;
  }
  if ( $widget eq $::widgets->{'audio_options_entry'} ) {
    $::settings->{ "audio_" . $::settings->{'audio_codec'} . "_options" } = $::widgets->{'audio_options_entry'}->get_text;
    set_bitrate();
  }
  if ( $widget eq $::widgets->{'scale_width_spin'}
    || $widget eq $::widgets->{'scale_height_spin'}
    || $widget eq $::widgets->{'crop_width_spin'}
    || $widget eq $::widgets->{'crop_height_spin'}
    || $widget eq $::widgets->{'crop_horizontal_spin'}
    || $widget eq $::widgets->{'crop_vertical_spin'} )
  {
    set_bpp();
  }
  if ( $widget eq $::widgets->{'filename_entry'} ) {
    my $fullname  = substitute_filename($value) . $::settings->{'mpegfile'};
    my $directory = dirname($fullname);
    $::widgets->{'view_button'}->set_sensitive( -r $fullname ? 1 : 0 );    # Allow view if the file is readable.
    set_warning_text( $widget, -w $directory ? 0 : 1 );
    message("No permission to write to output directory!") if -w $directory ? 0 : 1;
    on_filesize_changed();
  }
  if ( $widget eq $::widgets->{'crop_width_spin'} ) {
    my $wo = get_track_param('width');
    $::widgets->{'crop_horizontal_spin'}->set_adjustment( new Gtk2::Adjustment( 0, 0, $wo - $value, 1, 50, 200 ) );
    set_bpp();
  }
  if ( $widget eq $::widgets->{'crop_horizontal_spin'} ) {
    my $wo = get_track_param('width');
    $::widgets->{'crop_width_spin'}->set_adjustment( new Gtk2::Adjustment( 0, 0, $wo - $value, 1, 50, 200 ) );
    set_bpp();
  }
  if ( $widget eq $::widgets->{'crop_height_spin'} ) {
    my $wo = get_track()->{'height'};
    $::widgets->{'crop_vertical_spin'}->set_adjustment( new Gtk2::Adjustment( 0, 0, $wo - $value, 1, 50, 200 ) );
    set_bpp();
  }
  if ( $widget eq $::widgets->{'crop_vertical_spin'} ) {
    my $wo = get_track_param('height');
    $::widgets->{'crop_height_spin'}->set_adjustment( new Gtk2::Adjustment( 0, 0, $wo - $value, 1, 50, 200 ) );
    set_bpp();
  }
  if ( $widget eq $::widgets->{'cache_directory_entry'} ) {
    set_warning_text( $widget, -w $value ? 0 : 1 );
  }
  if ( $widget eq $::widgets->{'dvd_device_entry'} ) {
    set_warning_text( $widget, -r $value ? 0 : 1 );
  }
  if ( $widget eq $::widgets->{'audio_gain_spin'} ) {
  }
  1;
}

sub on_save_settings_button_clicked {
  message("Settings saved");
  $::settings->save_settings;
}

sub on_restore_defaults_button_clicked {
  $::settings->restore_settings;
  load_settings_to_interface();
}

sub progress_dialog_show {
  if ( $::widgets->{'cache_menc_vbox'}->parent == $::widgets->{'right_vbox'} ) {
    $::widgets->{'acidrip'}->hide;
    $::widgets->{'right_vbox'}->remove( $::widgets->{'cache_menc_vbox'} );
    $::widgets->{'progress_vbox'}->add( $::widgets->{'cache_menc_vbox'} );

    $::widgets->{'status_hbox'}->remove( $::widgets->{'status_bar'} );
    $::widgets->{'progress_vbox'}->add( $::widgets->{'status_bar'} );

    $::widgets->{'progress_dialog'}->show;
  }
}

sub progress_dialog_hide {
  if ( $::widgets->{'cache_menc_vbox'}->parent == $::widgets->{'progress_vbox'} ) {
    $::widgets->{'progress_dialog'}->hide;
    $::widgets->{'progress_vbox'}->remove( $::widgets->{'cache_menc_vbox'} );
    $::widgets->{'right_vbox'}->pack_start( $::widgets->{'cache_menc_vbox'}, 0, 1, 0 );

    $::widgets->{'progress_vbox'}->remove( $::widgets->{'status_bar'} );
    $::widgets->{'status_hbox'}->add( $::widgets->{'status_bar'} );

    $::widgets->{'acidrip'}->show;
  }
}

sub on_queue_clear_button_clicked {
  $::playlist->clear;
  rebuild_queue_text();

  $::widgets->{'queue_export_button'}->set_sensitive( @{$::playlist} ? 1 : 0 );
  $::widgets->{'queue_clear_button'}->set_sensitive( @{$::playlist}  ? 1 : 0 );
}

sub on_queue_export_button_clicked {
  if ( open( QUEUEFILE, '>', "$ENV{HOME}/acidrip.sh" ) ) {
    print QUEUEFILE "#!/bin/sh\necho \"***********************************************************\"\n"
      . "echo \"Automated script created by AcidRip - http://acidrip.sf.net\"\n"
      . "echo \"***********************************************************\"\n";
    my $text = $::widgets->{'queue_text'}->get_buffer->get_text( $::widgets->{'queue_text'}->get_buffer->get_bounds, 0 );
    $text =~ s/-v\s//g;
    print QUEUEFILE $text;
    close QUEUEFILE;
    chmod 0755, "$ENV{HOME}/acidrip.sh";
    message("Queue exported to $ENV{HOME}/acidrip.sh");
  }
  else {
    message("Error opening queue output file");
  }
}

sub on_queue_button_clicked {
  push_playlist_queue();
  rebuild_queue_text();

  $::widgets->{'queue_export_button'}->set_sensitive( @{$::playlist} ? 1 : 0 );
  $::widgets->{'queue_clear_button'}->set_sensitive( @{$::playlist}  ? 1 : 0 );
}

sub on_start_button_clicked {
  $::widgets->{'queue_button'}->clicked if !@{$::playlist};
  my @cache_files = [];
  my $return      = 0;

  $::widgets->{'cache_menc_vbox'}->show;
  $::widgets->{'stop_button'}->show;
  $::widgets->{'start_button'}->hide;
  $::widgets->{'preview_button'}->set_sensitive(0);
  $::widgets->{'progress_dialog_show_button'}->set_sensitive(1);

  progress_dialog_show if $::settings->{'compact'};

  #Play contents of Playlist until ended or an error occurs
  message( "Playlist contains " . @{$::playlist} . " item(s)" );
	$::settings->{'total_events'} = queued_encode_events();
  while ( @{$::playlist} ) {
    $return = pop_playlist_queue();
    last if $return;
    rebuild_queue_text();
  }

  #Clear any dead items stuck on the playlist
  if ( @{$::playlist} ) {
    message( "Clearing " . @{$::playlist} . " remaining playlist items" );
    $::widgets->{'queue_clear_button'}->clicked;
  }
  else {
    message("Playlist completed");
  }

  progress_dialog_hide if $::settings->{'compact'};
  $::widgets->{'stop_button'}->hide;
  $::widgets->{'start_button'}->show;
  $::widgets->{'preview_button'}->set_sensitive(1);
  $::widgets->{'progress_dialog_show_button'}->set_sensitive(0);
  
	$::widgets->{'acidrip'}->set_title(msg("acidrip"));
	$::widgets->{'progress_dialog'}->set_title(msg("acidrip"));
  
	message(
    $return ? ( ( $return >> 8 ) == 1 ? "Mencoder interrupted by user" : "Mencoder exited with an error code " . ( $return >> 8 ) ) : "Encoding finished, hope it worked..." );
  $::settings->{'mencoder_pid'} = 0;
	$::settings->{'this_block'} = 0;
  set_bitrate();
}

sub on_stop_button_clicked {
  my $confirm = Gtk2::MessageDialog->new( $::widgets->{'acidrip'}, [qw/modal destroy-with-parent/], 'question', 'yes-no', "Are you sure you want to stop the encoding process?" );
  if ( $confirm->run eq 'yes' ) {
    kill_mplayer();
  }
  $confirm->destroy;
}

sub on_stop_preview_button_clicked {
  kill_mplayer();
}

sub on_mencoder_output_show_button_clicked {
  $::widgets->{'mencoder_output_frame'}->show_all;
  $::widgets->{'mencoder_output_show_button'}->hide;
}

sub on_mencoder_output_hide_button_clicked {
  $::widgets->{'mencoder_output_frame'}->hide;
  $::widgets->{'mencoder_output_show_button'}->show_all;
  $::widgets->{'status_hbox'}->show_all;
}

sub on_mencoder_output_save_button_clicked {
  if ( open( LOGFILE, '>', "$ENV{HOME}/acidrip.log" ) ) {
    print LOGFILE $::widgets->{'mencoder_output_text'}->get_buffer->get_text( $::widgets->{'mencoder_output_text'}->get_buffer->get_bounds, 0 );
    close LOGFILE;
    message("Output log saved to $ENV{HOME}/acidrip.log");
  }
  else {
    message("Error opening output file");
  }
}

sub on_mencoder_output_saveall_button_clicked {
  $::widgets->{'mencoder_output_save_button'}->set_sensitive( !$::widgets->{'mencoder_output_saveall_button'}->get_active );
  if ( $::widgets->{'mencoder_output_saveall_button'}->get_active ) {
    open( LOGFILE, '>', "$ENV{HOME}/acidrip.log" );
    print LOGFILE $::widgets->{'mencoder_output_text'}->get_buffer->get_text( $::widgets->{'mencoder_output_text'}->get_buffer->get_bounds, 0 );
  }
  else { close LOGFILE }
}

sub on_mencoder_output_clear_button_clicked {
  message("Log information cleared");
  $::widgets->{'mencoder_output_text'}->get_buffer->delete( $::widgets->{'mencoder_output_text'}->get_buffer->get_bounds );
}

sub on_view_button_clicked {

  #fork proofing
  open STDIN, '/dev/null' or message("Can't read /dev/null: $!. May fail if in background");

  message("Playing back encoded track...");
  my $mplayer_output;
  open( VIEW, get_command("view") . " 2>&1 |" ) || ( message("mplayer preview failed, is it installed?") );
  while (<VIEW>) {
    $mplayer_output .= $_;
    while ( Gtk2->events_pending() ) { Gtk2->main_iteration() }
  }
  message($mplayer_output);
  message("Playing back encoded track... Finished");
}

sub on_read_dvd_button_clicked {
  my ( $button, $widgets ) = @_;
  my $model;
  my $dvd_tree = $::widgets->{'dvd_tree'};
  message("Reading DVD / file(s)... please wait");
	$model = Gtk2::TreeStore->new( 'Glib::String', 'Glib::String' );
  $dvd_tree->set_model($model);

  my $ret;

  while ( Gtk2->events_pending() ) { Gtk2->main_iteration() }

  $ret = read_source( $::settings->{'dvd_device'} );

  message( $::dvd->{'status'}, $ret ? "error" : "" );
  if ( defined $::dvd->{'track'} ) {
    my $selection = $dvd_tree->get_selection;

    foreach my $this_track ( @{ $::dvd->{'track'} } ) {
      my $iter = $model->append(undef);
      my $ix   = $this_track->{'ix'};
      if ( $::dvd->{'source'} eq "dvd" ) {    # DVD input
        $selection->set_mode('multiple');
        $model->set( $iter, 0, $ix, 1, $ix . ": " . hhmmss( $this_track->{'length'} ) );
        foreach my $this_chapter ( @{ $this_track->{'chapter'} } ) {
          $model->set( $model->append($iter), 0, $this_chapter->{'ix'}, 1, $this_chapter->{'ix'} . ": " . hhmmss( $this_chapter->{'length'} ) );
        }
      }
      else {                                  # File input
        $selection->set_mode('single');
        $model->set( $iter, 0, $ix, 1, basename( $this_track->{'filename'} ) );
        $model->set( $model->append($iter), 0, 0, 1,
              "V: "
            . $this_track->{'format'} . ' '
            . $this_track->{'width'} . "x"
            . $this_track->{'height'} . ' '
            . (defined $this_track->{'bitrate'} ? int( $this_track->{'bitrate'} * .001 ) : "??" ) . "kbps" 
            . (defined $this_track->{'audio'}[0]{'format'} ? ( "\nA: " . $this_track->{'audio'}[0]{'format'} . ' '
              . (defined $this_track->{'audio'}[0]{'bitrate'} ? int( $this_track->{'audio'}[0]{'bitrate'} * .001) : "??" ) . "kbps@"
              . (defined $this_track->{'audio'}[0]{'frequency'} ? $this_track->{'audio'}[0]{'frequency'} * .001 : "??") . "kHz "
              . (defined $this_track->{'audio'}[0]{'channels'} ? $this_track->{'audio'}[0]{'channels'} : "?") . "ch" ) : ''));
      }
    }
    my $cell   = Gtk2::CellRendererText->new;
    my $column = Gtk2::TreeViewColumn->new_with_attributes( "content", $cell, 'text', 1 );

    $dvd_tree->remove_column( $dvd_tree->get_column(0) ) if ( scalar $dvd_tree->get_columns() );
    $dvd_tree->append_column($column);

    $selection->signal_connect( changed => \&on_select_track, $model );

    my $path = Gtk2::TreePath->new_from_string( defined $::dvd->{'longest_track'} ? $::dvd->{'longest_track'} - 1 : 0 );
    $selection->select_path($path);
    $dvd_tree->scroll_to_cell($path);
    $dvd_tree->show_all;

    $::widgets->{'total_blocks_spin'}->set_sensitive($::dvd->{'source'} eq "dvd");
    $::widgets->{'total_blocks_label'}->set_sensitive($::dvd->{'source'} eq "dvd");
    $::widgets->{'total_blocks_spin'}->set_value(1) if $::dvd->{'source'} ne "dvd";

    if ( defined $::dvd->{'title'} ) {
      my $name = $::dvd->{'title'};
      $name =~ tr/A-Z/a-z/;
      set_setting( 'title', $name );
    }

    $::widgets->{'preview_button'}->set_sensitive(1);
    $::widgets->{'start_button'}->set_sensitive(1);
    $::widgets->{'queue_button'}->set_sensitive(1);
  }
}

1;