cinelerra/edit.h

   1 #ifndef EDIT_H
   2 #define EDIT_H
   3
   4 #include "asset.inc"
   5 #include "edl.inc"
   6 #include "guicast.h"
   7 #include "edits.inc"
   8 #include "filexml.inc"
   9 #include "mwindow.inc"
  10 #include "plugin.inc"
  11 #include "track.inc"
  12 #include "transition.inc"
  13
  14 // UNITS ARE SAMPLES FOR AUDIO / FRAMES FOR VIDEO
  15 // zoom_units was mwindow->zoom_sample for AEdit
  16
  17 // Generic edit of something
  18
  19 class Edit : public ListItem<Edit>
  20 {
  21 public:
  22         Edit(EDL *edl, Edits *edits);
  23         Edit(EDL *edl, Track *track);
  24         Edit();
  25         virtual ~Edit();
  26
  27         void reset();
  28         virtual void copy_from(Edit *edit);
  29         virtual int identical(Edit &edit);
  30         virtual Edit& operator=(Edit& edit);
  31 // Called by Edits and PluginSet
  32         virtual void equivalent_output(Edit *edit, int64_t *result);
  33         virtual int operator==(Edit& edit);
  34 // When inherited by a plugin need to resample keyframes
  35         virtual void synchronize_params(Edit *edit);
  36 // Used by Edits::insert_edits to shift plugin keyframes
  37         virtual void shift_keyframes(int64_t position) {};
  38
  39 // Get size of frame to draw on timeline
  40         double picon_w();
  41         int picon_h();
  42         double frame_w();
  43         double frames_per_picon();
  44         int copy(int64_t start, int64_t end, FileXML *xml, char *output_path);
  45 // When inherited by a plugin need to resample keyframes
  46         virtual void resample(double old_rate, double new_rate) {};
  47
  48 // Shift in time
  49         virtual void shift(int64_t difference);
  50         int shift_start_in(int edit_mode,
  51                 int64_t newposition,
  52                 int64_t oldposition,
  53                 int edit_edits,
  54                 int edit_labels,
  55                 int edit_plugins,
  56                 Edits *trim_edits);
  57         int shift_start_out(int edit_mode,
  58                 int64_t newposition,
  59                 int64_t oldposition,
  60                 int edit_edits,
  61                 int edit_labels,
  62                 int edit_plugins,
  63                 Edits *trim_edits);
  64         int shift_end_in(int edit_mode,
  65                 int64_t newposition,
  66                 int64_t oldposition,
  67                 int edit_edits,
  68                 int edit_labels,
  69                 int edit_plugins,
  70                 Edits *trim_edits);
  71         int shift_end_out(int edit_mode,
  72                 int64_t newposition,
  73                 int64_t oldposition,
  74                 int edit_edits,
  75                 int edit_labels,
  76                 int edit_plugins,
  77                 Edits *trim_edits);
  78
  79         void insert_transition(char  *title);
  80         void detach_transition();
  81 // Determine if silence depending on existance of asset or plugin title
  82         virtual int silence();
  83
  84 // Media edit information
  85 // Units are native units for the track.
  86 // Start of edit in source file normalized to project sample rate.
  87 // Normalized because all the editing operations clip startsource relative
  88 // to the project sample rate;
  89         int64_t startsource;
  90 // Start of edit in project file.
  91         int64_t startproject;
  92 // # of units in edit.
  93         int64_t length;
  94 // Channel or layer of source
  95         int channel;
  96 // ID for resource pixmaps
  97         int id;
  98 // User defined title for timeline
  99         char user_title[BCTEXTLEN];
 100
 101
 102 // Transition if one is present at the beginning of this edit
 103 // This stores the length of the transition
 104         Transition *transition;
 105         EDL *edl;
 106
 107         Edits *edits;
 108
 109         Track *track;
 110
 111 // Asset is 0 if silence, otherwise points an object in edl->assets
 112         Asset *asset;
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127 // ============================= initialization
 128
 129         int load_properties(FileXML *xml, int64_t &startproject);
 130         virtual int load_properties_derived(FileXML *xml) {};
 131
 132 // ============================= drawing
 133
 134         virtual int draw(int flash, int center_pixel, int x, int w, int y, int h, int set_index_file) {};
 135         virtual int set_index_file(int flash, int center_pixel, int x, int y, int w, int h) {};
 136         int draw_transition(int flash, int center_pixel, int x, int w, int y, int h, int set_index_file);
 137
 138         int draw_handles(BC_SubWindow *canvas, float view_start, float view_units, float zoom_units, int view_pixels, int center_pixel);
 139         int draw_titles(BC_SubWindow *canvas, float view_start, float zoom_units, int view_pixels, int center_pixel);
 140
 141 // ============================= editing
 142
 143         virtual int copy_properties_derived(FileXML *xml, int64_t length_in_selection) {};
 144
 145         int popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y);
 146
 147 // Return 1 if the left handle was selected 2 if the right handle was selected
 148         int select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection);
 149         virtual int get_handle_parameters(int64_t &left, int64_t &right, int64_t &left_sample, int64_t &right_sample, float view_start, float zoom_units) {};
 150         virtual int64_t get_source_end(int64_t default_);
 151         int dump();
 152         virtual int dump_derived() {};
 153
 154 };
 155
 156
 157
 158
 159
 160 #endif