furnace/src/engine/dispatch.h

46 lines
974 B
C++

#ifndef _DISPATCH_H
#define _DISPATCH_H
enum DivDispatchCmds {
DIV_CMD_NOTE_ON=0,
DIV_CMD_NOTE_OFF,
DIV_CMD_INSTRUMENT,
DIV_CMD_VOLUME,
DIV_CMD_PITCH_UP,
DIV_CMD_PITCH_DOWN,
DIV_CMD_PITCH_TO
};
struct DivCommand {
DivDispatchCmds cmd;
};
struct DivDelayedCommand {
int ticks;
DivCommand cmd;
};
class DivEngine;
class DivDispatch {
protected:
DivEngine* parent;
public:
/**
* the rate the samples are provided.
* the engine shall resample to the output rate.
*/
int rate;
virtual void acquire(short& l, short& r);
virtual int dispatch(DivCommand c);
/**
* initialize this DivDispatch.
* @param parent the parent DivEngine.
* @param channels the number of channels to acquire.
* @param sugRate the suggested rate. this may change, so don't rely on it.
* @return the number of channels allocated.
*/
virtual int init(DivEngine* parent, int channels, int sugRate);
};
#endif