31 lines
995 B
C++
31 lines
995 B
C++
#pragma once
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#include "FluidSim/SimulationRingBuffer.hpp"
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#include <SFML/Audio/SoundStream.hpp>
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#include <array>
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#include <atomic>
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#include <cstdint>
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namespace fluidsim::port {
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class AudioOutputStream final : public sf::SoundStream {
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public:
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explicit AudioOutputStream(SimulationRingBuffer& ring, unsigned int sample_rate = 44100);
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void set_speed(double speed) { speed_.store(speed, std::memory_order_relaxed); }
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double speed() const { return speed_.load(std::memory_order_relaxed); }
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private:
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static constexpr std::size_t block_size = 512;
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SimulationRingBuffer& ring_;
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std::array<float, block_size> temp_left_{}, temp_right_{};
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std::array<std::int16_t, block_size * 2> output_{};
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std::atomic<double> speed_{1.0};
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float previous_input_left_{}, previous_output_left_{};
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float previous_input_right_{}, previous_output_right_{};
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bool onGetData(Chunk& data) override;
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void onSeek(sf::Time time_offset) override;
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};
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} // namespace fluidsim::port
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