hvirtual/cinelerra/edits.h

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#ifndef EDITS_H
#define EDITS_H


#include "asset.inc"
#include "assets.inc"
#include "edl.inc"
#include "guicast.h"
#include "edit.h"
#include "filexml.inc"
#include "linklist.h"
#include "track.inc"
#include "transition.inc"



#define LAST_VIRTUAL_LENGTH 1000000000

// Generic list of edits of something

class Edits : public List<Edit>
{
public:
        Edits(EDL *edl, Track *track, Edit *default_edit);
        virtual ~Edits();       

        void equivalent_output(Edits *edits, int64_t *result);
        virtual void copy_from(Edits *edits);
        virtual Edits& operator=(Edits& edits);
// Editing
        void insert_edits(Edits *edits, int64_t position);
        void insert_asset(Asset *asset, int64_t length, int64_t sample, int track_number);
// Split edit containing position.
// Return the second edit in the split.
        Edit* split_edit(int64_t position);
// Create a blank edit in the native data format
        int clear_handle(double start, 
                double end, 
                int edit_plugins, 
                double &distance);
        virtual Edit* create_edit() { return 0; };
// Insert a 0 length edit at the position
        Edit* insert_new_edit(int64_t sample);
        int save(FileXML *xml, char *output_path);
        int copy(int64_t start, int64_t end, FileXML *xml, char *output_path);
// Clear region of edits
        virtual void clear(int64_t start, int64_t end);
// Clear edits and plugins for a handle modification
        virtual void clear_recursive(int64_t start, 
                int64_t end, 
                int edit_edits,
                int edit_labels, 
                int edit_plugins,
                Edits *trim_edits);
        virtual void shift_keyframes_recursive(int64_t position, int64_t length);
        virtual void shift_effects_recursive(int64_t position, int64_t length);
// Does not return an edit - does what it says, nothing more or less
        void paste_silence(int64_t start, int64_t end);
// Returns the newly created edit
        Edit *create_and_insert_edit(int64_t start, int64_t end);

        void resample(double old_rate, double new_rate);
// Shift edits on or after position by distance
// Return the edit now on the position.
        virtual Edit* shift(int64_t position, int64_t difference);

        EDL *edl;
        Track *track;










// ============================= initialization commands ====================
        Edits() { printf("default edits constructor called\n"); };

// ================================== file operations

        int load(FileXML *xml, int track_offset);
        int load_edit(FileXML *xml, int64_t &startproject, int track_offset);

        virtual Edit* append_new_edit() {};
        virtual Edit* insert_edit_after(Edit *previous_edit) { return 0; };
        virtual int load_edit_properties(FileXML *xml) {};


// ==================================== accounting

        Edit* editof(int64_t position, int direction, int use_nudge);
// Return an edit if position is over an edit and the edit has a source file
        Edit* get_playable_edit(int64_t position, int use_nudge);
//      int64_t total_length();
        int64_t length();         // end position of last edit

// ==================================== editing

        int modify_handles(double oldposition, 
                double newposition, 
                int currentend,
                int edit_mode, 
                int edit_edits,
                int edit_labels,
                int edit_plugins,
                Edits *trim_edits);
        virtual int optimize();

        int64_t loaded_length;
private:
        virtual int clone_derived(Edit* new_edit, Edit* old_edit) {};
};



#endif

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