hvirtual/cinelerra/vtrack.h

   1 #ifndef VTRACK_H
   2 #define VTRACK_H
   3
   4 #include "arraylist.h"
   5 #include "autoconf.inc"
   6 #include "bezierauto.inc"
   7 #include "bezierautos.inc"
   8 #include "edl.inc"
   9 #include "filexml.inc"
  10 #include "floatautos.inc"
  11 #include "linklist.h"
  12 #include "track.h"
  13 #include "vedit.inc"
  14 #include "vframe.inc"
  15
  16 // CONVERTS FROM SAMPLES TO FRAMES
  17
  18
  19
  20 class VTrack : public Track
  21 {
  22 public:
  23         VTrack(EDL *edl, Tracks *tracks);
  24         ~VTrack();
  25
  26         int create_objects();
  27         int load_defaults(Defaults *defaults);
  28         void set_default_title();
  29         PluginSet* new_plugins();
  30         int channel_is_playable(int64_t position, int direction, int *do_channel);
  31         int save_header(FileXML *file);
  32         int save_derived(FileXML *file);
  33         int load_header(FileXML *file, uint32_t load_flags);
  34         int load_derived(FileXML *file, uint32_t load_flags);
  35         int copy_settings(Track *track);
  36         void synchronize_params(Track *track);
  37         int64_t to_units(double position, int round);
  38         double to_doubleunits(double position);
  39         double from_units(int64_t position);
  40
  41         void calculate_input_transfer(Asset *asset, int64_t position, int direction,
  42                 float &in_x, float &in_y, float &in_w, float &in_h,
  43                 float &out_x, float &out_y, float &out_w, float &out_h);
  44
  45         void calculate_output_transfer(int channel, int64_t position, int direction,
  46                 float &in_x, float &in_y, float &in_w, float &in_h,
  47                 float &out_x, float &out_y, float &out_w, float &out_h);
  48
  49         int vertical_span(Theme *theme);
  50
  51
  52
  53
  54
  55
  56
  57 // ====================================== initialization
  58         VTrack() {};
  59         int create_derived_objs(int flash);
  60
  61
  62 // ===================================== rendering
  63
  64         int get_projection(int channel,
  65                 float &in_x1,
  66                 float &in_y1,
  67                 float &in_x2,
  68                 float &in_y2,
  69                 float &out_x1,
  70                 float &out_y1,
  71                 float &out_x2,
  72                 float &out_y2,
  73                 int frame_w,
  74                 int frame_h,
  75                 int64_t real_position,
  76                 int direction);
  77 // Give whether compressed data can be copied directly from the track to the output file
  78         int direct_copy_possible(int64_t current_frame, int direction);
  79
  80
  81 // ===================================== editing
  82
  83         int copy_derived(int64_t start, int64_t end, FileXML *xml);
  84         int paste_derived(int64_t start, int64_t end, int64_t total_length, FileXML *xml, int &current_channel);
  85 // use samples for paste_output
  86         int paste_output(int64_t startproject, int64_t endproject, int64_t startsource, int64_t endsource, int layer, Asset *asset);
  87         int clear_derived(int64_t start, int64_t end);
  88         int copy_automation_derived(AutoConf *auto_conf, int64_t start, int64_t end, FileXML *xml);
  89         int paste_automation_derived(int64_t start, int64_t end, int64_t total_length, FileXML *xml, int shift_autos, int &current_pan);
  90         int clear_automation_derived(AutoConf *auto_conf, int64_t start, int64_t end, int shift_autos = 1);
  91         int modify_handles(int64_t oldposition, int64_t newposition, int currentend);
  92         int draw_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf);
  93         int draw_floating_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf, int flash);
  94         int select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y);
  95         int move_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down);
  96         void translate_camera(float offset_x, float offset_y);
  97         void translate_projector(float offset_x, float offset_y);
  98
  99 // ===================================== for handles, titles, etc
 100
 101 // rounds up to integer frames for editing
 102         int identical(int64_t sample1, int64_t sample2);
 103 // no rounding for drawing
 104         int get_dimensions(double &view_start,
 105                 double &view_units,
 106                 double &zoom_units);
 107
 108 private:
 109 };
 110
 111 #endif