hvirtual/cinelerra/edits.h

   1 #ifndef EDITS_H
   2 #define EDITS_H
   3
   4
   5 #include "assets.inc"
   6 #include "edl.inc"
   7 #include "guicast.h"
   8 #include "edit.h"
   9 #include "filexml.inc"
  10 #include "linklist.h"
  11 #include "track.inc"
  12 #include "transition.inc"
  13
  14 // Generic list of edits of something
  15
  16 class Edits : public List<Edit>
  17 {
  18 public:
  19         Edits(EDL *edl, Track *track);
  20         virtual ~Edits();
  21
  22         void equivalent_output(Edits *edits, int64_t *result);
  23         virtual Edits& operator=(Edits& edits);
  24 // Editing
  25         void insert_edits(Edits *edits, int64_t position);
  26         void insert_asset(Asset *asset, int64_t length, int64_t sample, int track_number);
  27 // Split edit containing position.
  28 // Return the second edit in the split.
  29         Edit* split_edit(int64_t position);
  30 // Create a blank edit in the native data format
  31         int clear_handle(double start,
  32                 double end,
  33                 int edit_plugins,
  34                 double &distance);
  35         virtual Edit* create_edit() { return 0; };
  36 // Insert a 0 length edit at the position
  37         Edit* insert_new_edit(int64_t sample);
  38         int save(FileXML *xml, char *output_path);
  39         int copy(int64_t start, int64_t end, FileXML *xml, char *output_path);
  40 // Clear region of edits
  41         virtual void clear(int64_t start, int64_t end);
  42 // Clear edits and plugins for a handle modification
  43         virtual void clear_recursive(int64_t start,
  44                 int64_t end,
  45                 int edit_edits,
  46                 int edit_labels,
  47                 int edit_plugins);
  48         virtual void shift_keyframes_recursive(int64_t position, int64_t length);
  49         virtual void shift_effects_recursive(int64_t position, int64_t length);
  50 // Returns the newly created edit
  51         Edit* paste_silence(int64_t start, int64_t end);
  52         void resample(double old_rate, double new_rate);
  53 // Shift edits on or after position by distance
  54 // Return the edit now on the position.
  55         virtual Edit* shift(int64_t position, int64_t difference);
  56
  57         EDL *edl;
  58         Track *track;
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69 // ============================= initialization commands ====================
  70         Edits() { printf("default edits constructor called\n"); };
  71
  72 // ================================== file operations
  73
  74         int load(FileXML *xml, int track_offset);
  75         int load_edit(FileXML *xml, int64_t &startproject, int track_offset);
  76
  77         virtual Edit* append_new_edit() {};
  78         virtual Edit* insert_edit_after(Edit *previous_edit) { return 0; };
  79         virtual int load_edit_properties(FileXML *xml) {};
  80
  81
  82 // ==================================== accounting
  83
  84         Edit* editof(int64_t position, int direction);
  85 // Return an edit if position is over an edit and the edit has a source file
  86         Edit* get_playable_edit(int64_t position);
  87 //      int64_t total_length();
  88         int64_t length();         // end position of last edit
  89
  90 // ==================================== editing
  91
  92 // inserts space at the desired location and returns the edit before the space
  93 // fills end of track if range is after track
  94         int modify_handles(double oldposition,
  95                 double newposition,
  96                 int currentend,
  97                 int edit_mode,
  98                 int edit_edits,
  99                 int edit_labels,
 100                 int edit_plugins);
 101         virtual int optimize();
 102
 103
 104 private:
 105         virtual int clone_derived(Edit* new_edit, Edit* old_edit) {};
 106 };
 107
 108
 109
 110 #endif