hvirtual/cinelerra/automation.h

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#ifndef AUTOMATION_H
#define AUTOMATION_H

#include "arraylist.h"
#include "autoconf.inc"
#include "automation.inc"
#include "autos.inc"
#include "edl.inc"
#include "filexml.inc"
#include "maxchannels.h"
#include "module.inc"
#include "track.inc"

#include <stdint.h>

// Match the clipping at per cinelerra/virtualanode.C which contains:
//  if(fade_value <= INFINITYGAIN) fade_value = 0;
//  in reality, this should be matched to a user-defined minimum in the preferences
#define AUTOMATIONCLAMPS(value, autogrouptype)                          \
        if (autogrouptype == AUTOGROUPTYPE_AUDIO_FADE && value <= INFINITYGAIN) \
                value = INFINITYGAIN;                                   \
        if (autogrouptype == AUTOGROUPTYPE_VIDEO_FADE)                  \
                CLAMP(value, 0, 100);                                   \
        if (autogrouptype == AUTOGROUPTYPE_ZOOM && value < 0)           \
                value = 0;

#define AUTOMATIONVIEWCLAMPS(value, autogrouptype)                      \
        if (autogrouptype == AUTOGROUPTYPE_ZOOM && value < 0)           \
                value = 0;
                
class Automation
{
public:
        static int autogrouptypes_fixedrange[];
        Automation(EDL *edl, Track *track);
        virtual ~Automation();

        int autogrouptype(int autoidx, Track *track);
        virtual int create_objects();
        void equivalent_output(Automation *automation, int64_t *result);
        virtual Automation& operator=(Automation& automation);
        virtual void copy_from(Automation *automation);
        int load(FileXML *file);
// For copy automation, copy, and save
        int copy(int64_t start, 
                int64_t end, 
                FileXML *xml, 
                int default_only,
                int autos_only);
        virtual void dump();
        virtual int direct_copy_possible(int64_t start, int direction);
        virtual int direct_copy_possible_derived(int64_t start, int direction) { return 1; };
// For paste automation only
        int paste(int64_t start, 
                int64_t length, 
                double scale,
                FileXML *file, 
                int default_only,
                AutoConf *autoconf);

// Get projector coordinates if this is video automation
        virtual void get_projector(float *x, 
                float *y, 
                float *z, 
                int64_t position,
                int direction);
// Get camera coordinates if this is video automation
        virtual void get_camera(float *x, 
                float *y, 
                float *z, 
                int64_t position,
                int direction);

// Returns the point to restart background rendering at.
// -1 means nothing changed.
        void clear(int64_t start, 
                int64_t end, 
                AutoConf *autoconf, 
                int shift_autos);
        void straighten(int64_t start, 
                int64_t end, 
                AutoConf *autoconf);
        void paste_silence(int64_t start, int64_t end);
        void insert_track(Automation *automation, 
                int64_t start_unit, 
                int64_t length_units,
                int replace_default);
        void resample(double old_rate, double new_rate);
        int64_t get_length();
        virtual void get_extents(float *min, 
                float *max,
                int *coords_undefined,
                int64_t unit_start,
                int64_t unit_end,
                int autogrouptype);





        Autos *autos[AUTOMATION_TOTAL];


        EDL *edl;
        Track *track;
};

#endif

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