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 "mwindow.h"
  26 #include "patchbay.h"
  27 #include "playabletracks.h"
  28 #include "plugin.h"
  29 #include "preferences.h"
  30 #include "intauto.h"
  31 #include "intautos.h"
  32 #include "tracks.h"
  33 #include "transportque.h"
  34
  35
  36 PlayableTracks::PlayableTracks(EDL *edl,
  37         int64_t current_position,
  38         int direction,
  39         int data_type,
  40         int use_nudge)
  41  : ArrayList<Track*>()
  42 {
  43         this->data_type = data_type;
  44
  45         for(Track *current_track = edl->tracks->first;
  46                 current_track;
  47                 current_track = current_track->next)
  48         {
  49                 if(is_playable(current_track, current_position, direction, use_nudge))
  50                 {
  51 // printf("PlayableTracks::PlayableTracks %d this=%p current_track=%p total=%d current_position=%jd\n",
  52 // __LINE__,
  53 // this,
  54 // current_track,
  55 // total,
  56 // current_position);
  57                         append(current_track);
  58                 }
  59         }
  60 // printf("PlayableTracks::PlayableTracks %d data_type=%d total=%d current_position=%jd\n",
  61 // __LINE__,
  62 // data_type,
  63 // total,
  64 // current_position);
  65 }
  66
  67 PlayableTracks::~PlayableTracks()
  68 {
  69 }
  70
  71
  72 int PlayableTracks::is_playable(Track *current_track,
  73         int64_t position,
  74         int direction,
  75         int use_nudge)
  76 {
  77         int result = 1;
  78         if(use_nudge) position += current_track->nudge;
  79         if(current_track->data_type != data_type) result = 0;
  80
  81 // Track is off screen and not bounced to other modules
  82         if(result)
  83         {
  84                 if(!current_track->plugin_used(position, direction) &&
  85                         !current_track->is_playable(position, direction))
  86                         result = 0;
  87         }
  88
  89 // Test play patch
  90         if(!current_track->play)
  91         {
  92                 result = 0;
  93         }
  94
  95         if(result)
  96         {
  97 // Test for playable edit
  98                 if(!current_track->playable_edit(position, direction))
  99                 {
 100 // Test for playable effect
 101                         if(!current_track->is_synthesis(position,
 102                                                 direction))
 103                         {
 104                                 result = 0;
 105                         }
 106                 }
 107         }
 108
 109         return result;
 110 }
 111
 112
 113 int PlayableTracks::is_listed(Track *track)
 114 {
 115         for(int i = 0; i < total; i++)
 116         {
 117                 if(values[i] == track) return 1;
 118         }
 119         return 0;
 120 }