hvirtual/cinelerra/edit.h

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#ifndef EDIT_H
#define EDIT_H

#include "asset.inc"
#include "edl.inc"
#include "guicast.h"
#include "edits.inc"
#include "filexml.inc"
#include "mwindow.inc"
#include "plugin.inc"
#include "track.inc"
#include "transition.inc"

// UNITS ARE SAMPLES FOR AUDIO / FRAMES FOR VIDEO
// zoom_units was mwindow->zoom_sample for AEdit

// Generic edit of something

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

        void reset();
        virtual void copy_from(Edit *edit);
        virtual int identical(Edit &edit);
        virtual Edit& operator=(Edit& edit);
// Called by Edits and PluginSet
        virtual void equivalent_output(Edit *edit, int64_t *result);
        virtual int operator==(Edit& edit);
// When inherited by a plugin need to resample keyframes
        virtual void synchronize_params(Edit *edit);
// Used by Edits::insert_edits to shift plugin keyframes
        virtual void shift_keyframes(int64_t position) {};

// Get size of frame to draw on timeline
        double picon_w();
        int picon_h();
        double frame_w();
        double frames_per_picon();
        int copy(int64_t start, int64_t end, FileXML *xml, char *output_path);
// When inherited by a plugin need to resample keyframes
        virtual void resample(double old_rate, double new_rate) {};

// Shift in time
        virtual void shift(int64_t difference);
        int shift_start_in(int edit_mode, 
                int64_t newposition, 
                int64_t oldposition,
                int edit_edits,
                int edit_labels,
                int edit_plugins,
                Edits *trim_edits);
        int shift_start_out(int edit_mode, 
                int64_t newposition, 
                int64_t oldposition,
                int edit_edits,
                int edit_labels,
                int edit_plugins,
                Edits *trim_edits);
        int shift_end_in(int edit_mode, 
                int64_t newposition, 
                int64_t oldposition,
                int edit_edits,
                int edit_labels,
                int edit_plugins,
                Edits *trim_edits);
        int shift_end_out(int edit_mode, 
                int64_t newposition, 
                int64_t oldposition,
                int edit_edits,
                int edit_labels,
                int edit_plugins,
                Edits *trim_edits);

        void insert_transition(char  *title);
        void detach_transition();
// Determine if silence depending on existance of asset or plugin title
        virtual int silence();

// Media edit information
// Units are native units for the track.
// Start of edit in source file normalized to project sample rate.
// Normalized because all the editing operations clip startsource relative
// to the project sample rate;
        int64_t startsource;  
// Start of edit in project file.
        int64_t startproject;    
// # of units in edit.
        int64_t length;  
// Channel or layer of source
        int channel;
// ID for resource pixmaps
        int id;
// User defined title for timeline
        char user_title[BCTEXTLEN];


// Transition if one is present at the beginning of this edit
// This stores the length of the transition
        Transition *transition;
        EDL *edl;

        Edits *edits;

        Track *track;

// Asset is 0 if silence, otherwise points an object in edl->assets
        Asset *asset;














// ============================= initialization

        int load_properties(FileXML *xml, int64_t &startproject);
        virtual int load_properties_derived(FileXML *xml) {};

// ============================= drawing

        virtual int draw(int flash, int center_pixel, int x, int w, int y, int h, int set_index_file) {};
        virtual int set_index_file(int flash, int center_pixel, int x, int y, int w, int h) {};
        int draw_transition(int flash, int center_pixel, int x, int w, int y, int h, int set_index_file);

        int draw_handles(BC_SubWindow *canvas, float view_start, float view_units, float zoom_units, int view_pixels, int center_pixel);
        int draw_titles(BC_SubWindow *canvas, float view_start, float zoom_units, int view_pixels, int center_pixel);

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

        virtual int copy_properties_derived(FileXML *xml, int64_t length_in_selection) {};

        int popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y);

// Return 1 if the left handle was selected 2 if the right handle was selected
        int select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection);
        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) {};
        virtual int64_t get_source_end(int64_t default_);
        int dump();
        virtual int dump_derived() {};

};





#endif

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