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