cinelerra-5.1/cinelerra/atrack.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 "aedit.h"
  23 #include "aedits.h"
  24 #include "amodule.h"
  25 #include "apluginset.h"
  26 #include "atrack.h"
  27 #include "autoconf.h"
  28 #include "aautomation.h"
  29 #include "edit.h"
  30 #include "edl.h"
  31 #include "edlsession.h"
  32 #include "cache.h"
  33 #include "clip.h"
  34 #include "datatype.h"
  35 #include "file.h"
  36 #include "filexml.h"
  37 #include "floatautos.h"
  38 #include "language.h"
  39 #include "localsession.h"
  40 #include "mainsession.h"
  41 #include "panautos.h"
  42 #include "theme.h"
  43 #include "trackcanvas.h"
  44 #include "tracks.h"
  45
  46 #include <string.h>
  47
  48
  49
  50 ATrack::ATrack(EDL *edl, Tracks *tracks)
  51  : Track(edl, tracks)
  52 {
  53         data_type = TRACK_AUDIO;
  54 }
  55
  56 ATrack::~ATrack()
  57 {
  58 }
  59
  60 // Used by PlaybackEngine
  61 void ATrack::synchronize_params(Track *track)
  62 {
  63         Track::synchronize_params(track);
  64         //ATrack *atrack = (ATrack*)track;
  65 }
  66
  67 int ATrack::copy_settings(Track *track)
  68 {
  69         Track::copy_settings(track);
  70         //ATrack *atrack = (ATrack*)track;
  71         return 0;
  72 }
  73
  74
  75 int ATrack::save_header(FileXML *file)
  76 {
  77         file->tag.set_property("TYPE", "AUDIO");
  78         return 0;
  79 }
  80
  81 int ATrack::save_derived(FileXML *file)
  82 {
  83         file->append_newline();
  84         return 0;
  85 }
  86
  87 int ATrack::load_header(FileXML *file, uint32_t load_flags)
  88 {
  89         return 0;
  90 }
  91
  92
  93 int ATrack::load_derived(FileXML *file, uint32_t load_flags)
  94 {
  95         return 0;
  96 }
  97
  98 void ATrack::create_objects()
  99 {
 100         Track::create_objects();
 101         automation = new AAutomation(edl, this);
 102         automation->create_objects();
 103         edits = new AEdits(edl, this);
 104 }
 105
 106 int ATrack::vertical_span(Theme *theme)
 107 {
 108         int track_h = Track::vertical_span(theme);
 109         int patch_h = theme->title_h;
 110         if( expand_view )
 111                 patch_h += theme->play_h + theme->fade_h + theme->meter_h + theme->pan_h;
 112         return MAX(track_h, patch_h);
 113 }
 114
 115 PluginSet* ATrack::new_plugins()
 116 {
 117         return new APluginSet(edl, this);
 118 }
 119
 120 int ATrack::load_defaults(BC_Hash *defaults)
 121 {
 122         Track::load_defaults(defaults);
 123         return 0;
 124 }
 125
 126 void ATrack::set_default_title()
 127 {
 128         Track *current = ListItem<Track>::list->first;
 129         int i;
 130         for(i = 0; current; current = NEXT)
 131         {
 132                 if(current->data_type == TRACK_AUDIO) i++;
 133         }
 134         sprintf(title, _("Audio %d"), i);
 135         BC_Resources::encode_to_utf8(title, BCTEXTLEN);
 136 }
 137
 138 int64_t ATrack::to_units(double position, int round)
 139 {
 140         return round ? Units::round(position * edl->session->sample_rate) :
 141                 Units::to_int64(position * edl->session->sample_rate + 1e-6);
 142 }
 143
 144 double ATrack::to_doubleunits(double position)
 145 {
 146         return position * edl->session->sample_rate;
 147 }
 148
 149 double ATrack::from_units(int64_t position)
 150 {
 151         return (double)position / edl->session->sample_rate;
 152 }
 153
 154 int ATrack::identical(int64_t sample1, int64_t sample2)
 155 {
 156 // Units of samples
 157         if(labs(sample1 - sample2) <= 1) return 1; else return 0;
 158 }
 159
 160 int64_t ATrack::length()
 161 {
 162         return edits->length();
 163 }
 164
 165 int ATrack::paste_derived(int64_t start, int64_t end, int64_t total_length, FileXML *xml, int &current_channel)
 166 {
 167         if(!strcmp(xml->tag.get_title(), "PANAUTOS"))
 168         {
 169                 current_channel = xml->tag.get_property("CHANNEL", current_channel);
 170 //              pan_autos->paste(start, end, total_length, xml, "/PANAUTOS", mwindow->session->autos_follow_edits);
 171                 return 1;
 172         }
 173         return 0;
 174 }
 175