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CLK/Outputs/Speaker/Speaker.hpp
2018-05-13 15:19:52 -04:00

45 lines
931 B
C++

//
// Speaker.hpp
// Clock Signal
//
// Created by Thomas Harte on 12/01/2016.
// Copyright 2016 Thomas Harte. All rights reserved.
//
#ifndef Speaker_hpp
#define Speaker_hpp
#include <cstdint>
#include <vector>
namespace Outputs {
namespace Speaker {
/*!
Provides a communication point for sound; machines that have a speaker provide an
audio output.
*/
class Speaker {
public:
virtual ~Speaker() {}
virtual float get_ideal_clock_rate_in_range(float minimum, float maximum) = 0;
virtual void set_output_rate(float cycles_per_second, int buffer_size) = 0;
struct Delegate {
virtual void speaker_did_complete_samples(Speaker *speaker, const std::vector<int16_t> &buffer) = 0;
virtual void speaker_did_change_input_clock(Speaker *speaker) {}
};
virtual void set_delegate(Delegate *delegate) {
delegate_ = delegate;
}
protected:
Delegate *delegate_ = nullptr;
};
}
}
#endif /* Speaker_hpp */