cinelerra-5.0/cinelerra/vautomation.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 "clip.h"
  23 #include "colors.h"
  24 #include "edl.h"
  25 #include "edlsession.h"
  26 #include "floatauto.h"
  27 #include "floatautos.h"
  28 #include "intauto.h"
  29 #include "intautos.h"
  30 #include "maskautos.h"
  31 #include "overlayframe.inc"
  32 #include "transportque.inc"
  33 #include "vautomation.h"
  34
  35
  36 VAutomation::VAutomation(EDL *edl, Track *track)
  37  : Automation(edl, track)
  38 {
  39 }
  40
  41
  42
  43 VAutomation::~VAutomation()
  44 {
  45 }
  46
  47
  48 void VAutomation::create_objects()
  49 {
  50         Automation::create_objects();
  51
  52         autos[AUTOMATION_FADE] = new FloatAutos(edl, track, 100);
  53         autos[AUTOMATION_FADE]->create_objects();
  54
  55         autos[AUTOMATION_MODE] = new IntAutos(edl, track, TRANSFER_NORMAL);
  56         autos[AUTOMATION_MODE]->create_objects();
  57
  58         autos[AUTOMATION_MASK] = new MaskAutos(edl, track);
  59         autos[AUTOMATION_MASK]->create_objects();
  60
  61         autos[AUTOMATION_CAMERA_X] = new FloatAutos(edl, track, 0.0);
  62         autos[AUTOMATION_CAMERA_X]->create_objects();
  63
  64         autos[AUTOMATION_CAMERA_Y] = new FloatAutos(edl, track, 0.0);
  65         autos[AUTOMATION_CAMERA_Y]->create_objects();
  66
  67         autos[AUTOMATION_PROJECTOR_X] = new FloatAutos(edl, track, 0.0);
  68         autos[AUTOMATION_PROJECTOR_X]->create_objects();
  69
  70         autos[AUTOMATION_PROJECTOR_Y] = new FloatAutos(edl, track, 0.0);
  71         autos[AUTOMATION_PROJECTOR_Y]->create_objects();
  72
  73         autos[AUTOMATION_CAMERA_Z] = new FloatAutos(edl, track, 1.0);
  74         autos[AUTOMATION_CAMERA_Z]->create_objects();
  75
  76         autos[AUTOMATION_PROJECTOR_Z] = new FloatAutos(edl, track, 1.0);
  77         autos[AUTOMATION_PROJECTOR_Z]->create_objects();
  78 }
  79
  80 int VAutomation::direct_copy_possible(int64_t start, int direction)
  81 {
  82         int64_t end = (direction == PLAY_FORWARD) ? (start + 1) : (start - 1);
  83
  84         if(!Automation::direct_copy_possible(start, direction))
  85                 return 0;
  86
  87 // Automation is constant
  88         double constant;
  89         if(((FloatAutos*)autos[AUTOMATION_FADE])->automation_is_constant(
  90                 start, end, direction, constant))
  91         {
  92                 if(!EQUIV(constant, 100))
  93                         return 0;
  94         }
  95         else
  96 // Automation varies
  97                 return 0;
  98
  99 // Track must not be muted
 100         if(autos[AUTOMATION_MUTE]->automation_is_constant(start, end))
 101         {
 102                 if(autos[AUTOMATION_MUTE]->get_automation_constant(start, end) > 0)
 103                         return 0;
 104         }
 105         else
 106                 return 0;
 107
 108 // Projector must be centered.
 109         FloatAuto *previous = 0, *next = 0;
 110         float z = ((FloatAutos*)autos[AUTOMATION_PROJECTOR_Z])->get_value(
 111                 start, direction, previous, next);
 112         if(!EQUIV(z, 1)) return 0;
 113
 114         previous = 0;
 115         next = 0;
 116         float x = ((FloatAutos*)autos[AUTOMATION_PROJECTOR_X])->get_value(start,
 117                                 direction,
 118                                 previous,
 119                                 next);
 120         if(!EQUIV(x, 0)) return 0;
 121         previous = 0;
 122         next = 0;
 123         float y = ((FloatAutos*)autos[AUTOMATION_PROJECTOR_Y])->get_value(start,
 124                                 direction,
 125                                 previous,
 126                                 next);
 127         if(!EQUIV(y, 0)) return 0;
 128
 129
 130
 131
 132 // Camera must be centered
 133         previous = 0;
 134         next = 0;
 135         z = ((FloatAutos*)autos[AUTOMATION_CAMERA_Z])->get_value(
 136                 start,
 137                 direction,
 138                 previous,
 139                 next);
 140         if(!EQUIV(z, 1)) return 0;
 141
 142
 143
 144         previous = 0;
 145         next = 0;
 146         x = ((FloatAutos*)autos[AUTOMATION_CAMERA_X])->get_value(start,
 147                                 direction,
 148                                 previous,
 149                                 next);
 150         if(!EQUIV(x, 0)) return 0;
 151
 152         previous = 0;
 153         next = 0;
 154         y = ((FloatAutos*)autos[AUTOMATION_CAMERA_Y])->get_value(start,
 155                                 direction,
 156                                 previous,
 157                                 next);
 158
 159         if(!EQUIV(y, 0)) return 0;
 160
 161 // No mask must exist
 162         if(((MaskAutos*)autos[AUTOMATION_MASK])->mask_exists(start, direction))
 163                 return 0;
 164
 165         return 1;
 166 }
 167
 168 void VAutomation::get_projector(float *x,
 169         float *y,
 170         float *z,
 171         int64_t position,
 172         int direction)
 173 {
 174         FloatAuto *before, *after;
 175         before = 0;
 176         after = 0;
 177         *x = ((FloatAutos*)autos[AUTOMATION_PROJECTOR_X])->get_value(position,
 178                 direction,
 179                 before,
 180                 after);
 181         before = 0;
 182         after = 0;
 183         *y = ((FloatAutos*)autos[AUTOMATION_PROJECTOR_Y])->get_value(position,
 184                 direction,
 185                 before,
 186                 after);
 187         before = 0;
 188         after = 0;
 189         *z = ((FloatAutos*)autos[AUTOMATION_PROJECTOR_Z])->get_value(position,
 190                 direction,
 191                 before,
 192                 after);
 193 }
 194
 195
 196 void VAutomation::get_camera(float *x,
 197         float *y,
 198         float *z,
 199         int64_t position,
 200         int direction)
 201 {
 202         FloatAuto *before, *after;
 203         before = 0;
 204         after = 0;
 205         *x = ((FloatAutos*)autos[AUTOMATION_CAMERA_X])->get_value(position,
 206                 direction,
 207                 before,
 208                 after);
 209         before = 0;
 210         after = 0;
 211         *y = ((FloatAutos*)autos[AUTOMATION_CAMERA_Y])->get_value(position,
 212                 direction,
 213                 before,
 214                 after);
 215         before = 0;
 216         after = 0;
 217         *z = ((FloatAutos*)autos[AUTOMATION_CAMERA_Z])->get_value(position,
 218                 direction,
 219                 before,
 220                 after);
 221 }
 222