cinelerra-5.1/cinelerra/strack.C

   1 #include "clip.h"
   2 #include "edit.h"
   3 #include "edits.h"
   4 #include "edl.h"
   5 #include "edlsession.h"
   6 #include "datatype.h"
   7 #include "filexml.h"
   8 #include "localsession.h"
   9 #include "mainsession.h"
  10 #include "strack.h"
  11 #include "theme.h"
  12 #include "trackcanvas.h"
  13 #include "tracks.h"
  14
  15 #include <string.h>
  16
  17 STrack::STrack(EDL *edl, Tracks *tracks)
  18  : Track(edl, tracks)
  19 {
  20         data_type = TRACK_SUBTITLE;
  21         data_h = edl->local_session->zoom_atrack;
  22 }
  23
  24 STrack::~STrack()
  25 {
  26 }
  27
  28
  29 // Used by PlaybackEngine
  30 void STrack::synchronize_params(Track *track)
  31 {
  32         Track::synchronize_params(track);
  33 }
  34
  35 int STrack::copy_settings(Track *track)
  36 {
  37         Track::copy_settings(track);
  38         return 0;
  39 }
  40
  41 int STrack::load_defaults(BC_Hash *defaults)
  42 {
  43         Track::load_defaults(defaults);
  44         return 0;
  45 }
  46
  47 void STrack::set_default_title()
  48 {
  49         Track *current = ListItem<Track>::list->first;
  50         int i;
  51         for(i = 0; current; current = NEXT)
  52         {
  53                 if(current->data_type == TRACK_SUBTITLE) i++;
  54         }
  55         sprintf(title, _("Subttl %d"), i);
  56 }
  57
  58 void STrack::create_objects()
  59 {
  60         Track::create_objects();
  61         automation = new SAutomation(edl, this);
  62         automation->create_objects();
  63         edits = new SEdits(edl, this);
  64 }
  65
  66 int STrack::vertical_span(Theme *theme)
  67 {
  68         int track_h = Track::vertical_span(theme);
  69         int patch_h = theme->title_h;
  70         if( expand_view )
  71                 patch_h += theme->play_h;
  72         return MAX(track_h, patch_h);
  73 }
  74
  75
  76 int64_t STrack::to_units(double position, int round)
  77 {
  78         if(round)
  79         {
  80                 return Units::round(position * edl->session->frame_rate);
  81         }
  82         else
  83         {
  84 // Kludge for rounding errors, just on a smaller scale than formal rounding
  85                 position *= edl->session->frame_rate;
  86                 return Units::to_int64(position);
  87         }
  88 }
  89
  90 double STrack::to_doubleunits(double position)
  91 {
  92         return position * edl->session->frame_rate;
  93 }
  94
  95
  96 double STrack::from_units(int64_t position)
  97 {
  98         return (double)position / edl->session->frame_rate;
  99 }
 100
 101
 102
 103
 104 int STrack::identical(int64_t sample1, int64_t sample2)
 105 {
 106 // Units of frames
 107         if(labs(sample1 - sample2) <= 1) return 1; else return 0;
 108 }
 109
 110 int STrack::save_header(FileXML *file)
 111 {
 112         file->tag.set_property("TYPE", "SUBTTL");
 113         return 0;
 114 }
 115
 116 int STrack::save_derived(FileXML *file)
 117 {
 118         file->append_newline();
 119         return 0;
 120 }
 121
 122 int STrack::load_header(FileXML *file, uint32_t load_flags)
 123 {
 124         return 0;
 125 }
 126
 127 int STrack::load_derived(FileXML *file, uint32_t load_flags)
 128 {
 129         return 0;
 130 }
 131
 132
 133 int STrack::get_dimensions(int pane_number,
 134         double &view_start,
 135         double &view_units,
 136         double &zoom_units)
 137 {
 138         view_start = edl->local_session->view_start[pane_number] * edl->session->frame_rate;
 139         view_units = 0;
 140 //      view_units = Units::toframes(tracks->view_samples(), mwindow->session->sample_rate, mwindow->session->frame_rate);
 141         zoom_units = edl->local_session->zoom_sample / edl->session->sample_rate * edl->session->frame_rate;
 142         return 0;
 143 }
 144
 145 int64_t STrack::length()
 146 {
 147         return edits->length();
 148 }
 149
 150 SEdit::SEdit(EDL *edl, Edits *edits)
 151  : Edit(edl, edits)
 152 {
 153         text[0] = 0;
 154 }
 155
 156 SEdit::~SEdit()
 157 {
 158 }
 159
 160
 161
 162 void SEdit::
 163 copy_from(Edit *edit)
 164 {
 165         Edit::copy_from(edit);
 166         SEdit *sedit = (SEdit*)edit;
 167         strcpy(text,sedit->text);
 168 }
 169
 170 int SEdit::load_properties_derived(FileXML *xml)
 171 {
 172         xml->tag.get_property("TEXT", text);
 173         return 0;
 174 }
 175
 176 int SEdit::copy_properties_derived(FileXML *xml, int64_t length_in_selection)
 177 {
 178         xml->tag.set_property("TEXT", text);
 179         return 0;
 180 }
 181
 182
 183 int SEdit::dump_derived()
 184 {
 185         return 0;
 186 }
 187
 188
 189 int64_t SEdit::get_source_end(int64_t default_)
 190 {
 191         return default_;   // Infinity
 192 }
 193