hvirtual/cinelerra/localsession.h

   1 #ifndef LOCALSESSION_H
   2 #define LOCALSESSION_H
   3
   4 #include "bcwindowbase.inc"
   5 #include "defaults.inc"
   6 #include "edl.inc"
   7 #include "filexml.inc"
   8
   9
  10
  11 // Unique session for every EDL
  12
  13 class LocalSession
  14 {
  15 public:
  16         LocalSession(EDL *edl);
  17         ~LocalSession();
  18
  19
  20 // Get selected range based on precidence of in/out points and
  21 // highlighted region.
  22         double get_selectionstart();
  23         double get_selectionend();
  24
  25
  26         void copy_from(LocalSession *that);
  27         void save_xml(FileXML *file, double start);
  28         void load_xml(FileXML *file, unsigned long load_flags);
  29         int load_defaults(Defaults *defaults);
  30         int save_defaults(Defaults *defaults);
  31         void synchronize_params(LocalSession *that);
  32
  33         void boundaries();
  34
  35         EDL *edl;
  36
  37
  38 // Variables specific to each EDL
  39 // Number of samples if pasted from a clipboard.
  40 // If 0 use longest track
  41         double clipboard_length;
  42 // Title if clip
  43         char clip_title[BCTEXTLEN];
  44         char clip_notes[BCTEXTLEN];
  45 // Folder in parent EDL of clip
  46         char folder[BCTEXTLEN];
  47
  48 // The reason why selection ranges and inpoints have to be separate:
  49 // The selection position has to change to set new in points.
  50 // For editing functions we have a precidence for what determines
  51 // the selection.
  52
  53 // 1) If in_point or out_point exists they're used.
  54 // The highlight is ignored except for setting in and out points.
  55 // 2) If a highlighted selection exists it's used.
  56         double selectionstart, selectionend;
  57         double in_point, out_point;
  58         int loop_playback;
  59         double loop_start;
  60         double loop_end;
  61 // Vertical start of track view
  62         int64_t track_start;
  63 // Start of view in pixels.  This has to be pixels since either
  64 // samples or seconds would require drawing in fractional pixels.
  65         int64_t view_start;
  66 // Zooming of the timeline.  Number of samples per pixel.
  67         int64_t zoom_sample;
  68 // Amplitude zoom
  69         int64_t zoom_y;
  70 // Track zoom
  71         int64_t zoom_track;
  72
  73 // Range for CWindow and VWindow in seconds
  74         double preview_start;
  75         double preview_end;
  76 };
  77
  78 #endif