cinelerra-5.0/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 "format.inc"
  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,
  38         int64_t current_position,
  39         int direction,
  40         int data_type,
  41         int use_nudge)
  42  : ArrayList<Track*>()
  43 {
  44         this->data_type = data_type;
  45
  46         for(Track *current_track = edl->tracks->first;
  47                 current_track;
  48                 current_track = current_track->next)
  49         {
  50                 if(is_playable(current_track, current_position, direction, use_nudge))
  51                 {
  52 // printf("PlayableTracks::PlayableTracks %d this=%p current_track=%p total=%d current_position=" _LD "\n",
  53 // __LINE__,
  54 // this,
  55 // current_track,
  56 // total,
  57 // current_position);
  58                         append(current_track);
  59                 }
  60         }
  61 // printf("PlayableTracks::PlayableTracks %d data_type=%d total=%d current_position=" _LD "\n",
  62 // __LINE__,
  63 // data_type,
  64 // total,
  65 // current_position);
  66 }
  67
  68 PlayableTracks::~PlayableTracks()
  69 {
  70 }
  71
  72
  73 int PlayableTracks::is_playable(Track *current_track,
  74         int64_t position,
  75         int direction,
  76         int use_nudge)
  77 {
  78         int result = 1;
  79         if(use_nudge) position += current_track->nudge;
  80         if(current_track->data_type != data_type) result = 0;
  81
  82 // Track is off screen and not bounced to other modules
  83         if(result)
  84         {
  85                 if(!current_track->plugin_used(position, direction) &&
  86                         !current_track->is_playable(position, direction))
  87                         result = 0;
  88         }
  89
  90 // Test play patch
  91         if(!current_track->play)
  92         {
  93                 result = 0;
  94         }
  95
  96         if(result)
  97         {
  98 // Test for playable edit
  99                 if(!current_track->playable_edit(position, direction))
 100                 {
 101 // Test for playable effect
 102                         if(!current_track->is_synthesis(position,
 103                                                 direction))
 104                         {
 105                                 result = 0;
 106                         }
 107                 }
 108         }
 109
 110         return result;
 111 }
 112
 113
 114 int PlayableTracks::is_listed(Track *track)
 115 {
 116         for(int i = 0; i < total; i++)
 117         {
 118                 if(values[i] == track) return 1;
 119         }
 120         return 0;
 121 }