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