cinelerra-5.1/cinelerra/playabletracks.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "automation.h"
  23 #include "edl.h"
  24 #include "edlsession.h"
  25 #include "localsession.h"
  26 #include "mwindow.h"
  27 #include "patchbay.h"
  28 #include "playabletracks.h"
  29 #include "plugin.h"
  30 #include "preferences.h"
  31 #include "intauto.h"
  32 #include "intautos.h"
  33 #include "tracks.h"
  34 #include "transportque.h"
  35
  36
  37 PlayableTracks::PlayableTracks(EDL *edl, int64_t current_position,
  38                 int direction, int data_type, int use_nudge)
  39  : ArrayList<Track*>()
  40 {
  41         this->data_type = data_type;
  42
  43         for( Track *track=edl->tracks->first; track; track=track->next ) {
  44                 if( is_playable(track, current_position, direction, use_nudge) )
  45                         append(track);
  46         }
  47 }
  48
  49 PlayableTracks::~PlayableTracks()
  50 {
  51 }
  52
  53
  54 int PlayableTracks::is_playable(Track *current_track, int64_t position,
  55                 int direction, int use_nudge)
  56 {
  57         int result = 1;
  58         if(use_nudge) position += current_track->nudge;
  59         if(current_track->data_type != data_type) result = 0;
  60
  61 // Track is off screen and not bounced to other modules
  62         if( result &&
  63                 !current_track->plugin_used(position, direction) &&
  64                 !current_track->is_playable(position, direction) )
  65                         result = 0;
  66 // Test play patch
  67         if( result &&
  68                 !current_track->plays() )
  69                         result = 0;
  70         if( result ) {
  71                 EDL *edl = current_track->edl;
  72                 int solo_track_id = edl->local_session->solo_track_id;
  73                 if( solo_track_id >= 0 ) {
  74                         int visible = 0;
  75                         int current_id = current_track->get_id();
  76                         Track *track = edl->tracks->first;
  77                         while( track ) {
  78                                 int id = track->get_id();
  79                                 if( id == solo_track_id ) { visible = 1;  break; }
  80                                 if( id == current_id ) { visible = 0; break; }
  81                                 track = track->next;
  82                         }
  83                         if( !track ) visible = 1;
  84                         result = visible;
  85                 }
  86         }
  87         if( result ) {
  88 // Test for playable edit
  89                 if(!current_track->playable_edit(position, direction))
  90                 {
  91 // Test for playable effect
  92                         if(!current_track->is_synthesis(position,
  93                                                 direction))
  94                         {
  95                                 result = 0;
  96                         }
  97                 }
  98         }
  99
 100         return result;
 101 }
 102
 103
 104 int PlayableTracks::is_listed(Track *track)
 105 {
 106         for(int i = 0; i < total; i++)
 107         {
 108                 if(values[i] == track) return 1;
 109         }
 110         return 0;
 111 }