25 lines
421 B
C++
25 lines
421 B
C++
#pragma once
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#include <vector>
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#include <SDL2/SDL_audio.h>
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class Buzzer {
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public:
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using sample_t = Sint16;
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Buzzer(unsigned frequency);
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~Buzzer();
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void on();
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void off();
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private:
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static void SDLCALL audioCallback(void *userdata, Uint8 *stream, int len);
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void copySamples(Uint8 *stream, int len);
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private:
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std::vector<sample_t> mSamples;
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SDL_AudioDeviceID mAudioDevice;
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size_t miCurrentSample;
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};
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