hvirtual/cinelerra/edit.h

   1 #ifndef EDIT_H
   2 #define EDIT_H
   3
   4 #include "assets.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         int shift_start_out(int edit_mode,
  57                 int64_t newposition,
  58                 int64_t oldposition,
  59                 int edit_edits,
  60                 int edit_labels,
  61                 int edit_plugins);
  62         int shift_end_in(int edit_mode,
  63                 int64_t newposition,
  64                 int64_t oldposition,
  65                 int edit_edits,
  66                 int edit_labels,
  67                 int edit_plugins);
  68         int shift_end_out(int edit_mode,
  69                 int64_t newposition,
  70                 int64_t oldposition,
  71                 int edit_edits,
  72                 int edit_labels,
  73                 int edit_plugins);
  74
  75         void insert_transition(char  *title);
  76         void detach_transition();
  77 // Determine if silence depending on existance of asset or plugin title
  78         virtual int silence();
  79
  80 // Media edit information
  81 // Units are native units for the track.
  82 // Start of edit in source file normalized to project sample rate.
  83 // Normalized because all the editing operations clip startsource relative
  84 // to the project sample rate;
  85         int64_t startsource;
  86 // Start of edit in project file.
  87         int64_t startproject;
  88 // # of units in edit.
  89         int64_t length;
  90 // Channel or layer of source
  91         int channel;
  92 // ID for resource pixmaps
  93         int id;
  94
  95 // Transition if one is present at the beginning of this edit
  96 // This stores the length of the transition
  97         Transition *transition;
  98         EDL *edl;
  99
 100         Edits *edits;
 101
 102         Track *track;
 103
 104 // Asset is 0 if silence, otherwise points an object in edl->assets
 105         Asset *asset;
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120 // ============================= initialization
 121
 122         int load_properties(FileXML *xml, int64_t &startproject);
 123         virtual int load_properties_derived(FileXML *xml) {};
 124
 125 // ============================= drawing
 126
 127         virtual int draw(int flash, int center_pixel, int x, int w, int y, int h, int set_index_file) {};
 128         virtual int set_index_file(int flash, int center_pixel, int x, int y, int w, int h) {};
 129         int draw_transition(int flash, int center_pixel, int x, int w, int y, int h, int set_index_file);
 130
 131         int draw_handles(BC_SubWindow *canvas, float view_start, float view_units, float zoom_units, int view_pixels, int center_pixel);
 132         int draw_titles(BC_SubWindow *canvas, float view_start, float zoom_units, int view_pixels, int center_pixel);
 133
 134 // ============================= editing
 135
 136         virtual int copy_properties_derived(FileXML *xml, int64_t length_in_selection) {};
 137
 138         int popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y);
 139
 140 // Return 1 if the left handle was selected 2 if the right handle was selected
 141         int select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection);
 142         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) {};
 143         virtual int64_t get_source_end(int64_t default_);
 144         int dump();
 145         virtual int dump_derived() {};
 146
 147 };
 148
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 151
 152
 153 #endif