hvirtual/cinelerra/localsession.h

Go to the documentation of this file.

#ifndef LOCALSESSION_H
#define LOCALSESSION_H

#include "bcwindowbase.inc"
#include "bchash.inc"
#include "edl.inc"
#include "filexml.inc"


// Unique session for every EDL

class LocalSession
{
public:
        LocalSession(EDL *edl);
        ~LocalSession();


// Get selected range based on precidence of in/out points and
// highlighted region.
// 1) If a highlighted selection exists it's used.
// 2) If in_point or out_point exists they're used.
// 3) If no in/out points exist, the insertion point is returned.
// highlight_only - forces it to use highlighted region only.
        double get_selectionstart(int highlight_only = 0);
        double get_selectionend(int highlight_only = 0);
        double get_inpoint();
        double get_outpoint();
        int inpoint_valid();
        int outpoint_valid();
        void set_selectionstart(double value);
        void set_selectionend(double value);
        void set_inpoint(double value);
        void set_outpoint(double value);
        void unset_inpoint();
        void unset_outpoint();


        void copy_from(LocalSession *that);
        void save_xml(FileXML *file, double start);
        void load_xml(FileXML *file, unsigned long load_flags);
        int load_defaults(BC_Hash *defaults);
        int save_defaults(BC_Hash *defaults);
// Used to copy parameters that affect rendering.
        void synchronize_params(LocalSession *that);

        void boundaries();


        EDL *edl;


// Variables specific to each EDL
// Number of samples if pasted from a clipboard.
// If 0 use longest track
        double clipboard_length;
// Title if clip
        char clip_title[BCTEXTLEN];
        char clip_notes[BCTEXTLEN];
// Folder in parent EDL of clip
        char folder[BCTEXTLEN];

        int loop_playback;
        double loop_start;
        double loop_end;
// Vertical start of track view
        int64_t track_start;
// Horizontal start of view in pixels.  This has to be pixels since either
// samples or seconds would require drawing in fractional pixels.
        int64_t view_start;
// Zooming of the timeline.  Number of samples per pixel.  
        int64_t zoom_sample;
// Amplitude zoom
        int64_t zoom_y;
// Track zoom
        int64_t zoom_track;
// Vertical automation scale
        float automation_mins[6];
        float automation_maxs[6];
        int zoombar_showautotype;

// Eye dropper
        float red, green, blue;

// Range for CWindow and VWindow preview in seconds.
        double preview_start;
        double preview_end;

private:
// The reason why selection ranges and inpoints have to be separate:
// The selection position has to change to set new in points.
// For editing functions we have a precidence for what determines
// the selection.

        double selectionstart, selectionend;
        double in_point, out_point;
};

#endif

---