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c11867772a
Switched to the more efficient way of spawning pulse audio context/stream. This change fixed rare issues reported by address sanitizer and accidental freezes.
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
// Copyright (c) 2017-2022, Mudita Sp. z.o.o. All rights reserved.
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// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
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#pragma once
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#include <module-bsp/WorkerQueue.hpp>
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#include <Audio/AbstractStream.hpp>
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#include <Audio/AudioDevice.hpp>
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#include <Audio/AudioFormat.hpp>
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#include <Audio/codec.hpp>
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#include "PulseAudioWrapper.hpp"
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#include <variant>
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namespace audio
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{
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class LinuxAudioDevice : public audio::AudioDevice
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{
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public:
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explicit LinuxAudioDevice(const float initialVolume);
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auto Start() -> RetCode override;
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auto Stop() -> RetCode override;
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/// Set device output volume
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/// @param vol desired volume from 0 to 10
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/// @return RetCode::Success if OK, or RetCode::Failure otherwise
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auto setOutputVolume(float vol) -> RetCode override;
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/// Set device input gain
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/// @param gain desired input gain from 0 to 100
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/// @return RetCode::Success if OK, or RetCode::Failure otherwise
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auto setInputGain(float gain) -> RetCode override;
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auto getTraits() const -> Traits override;
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auto getSupportedFormats() -> std::vector<audio::AudioFormat> override;
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auto getSourceFormat() -> audio::AudioFormat override;
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// Endpoint control methods
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void onDataSend() override;
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void onDataReceive() override;
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void enableInput() override;
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void enableOutput() override;
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void disableInput() override;
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void disableOutput() override;
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private:
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using AudioProxy = WorkerQueue<std::size_t>;
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void scaleVolume(audio::AbstractStream::Span data);
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constexpr static std::initializer_list<unsigned int> supportedSampleRates = {44100, 48000};
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constexpr static std::initializer_list<unsigned int> supportedBitWidths = {16};
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constexpr static std::initializer_list<unsigned int> supportedChannelModes = {1, 2};
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std::vector<audio::AudioFormat> supportedFormats;
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audio::AudioFormat currentFormat;
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float volumeFactor = 1.0f;
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AudioProxy audioProxy;
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pulse_audio::Stream *stream{nullptr};
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std::size_t requestedBytes{};
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};
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} // namespace audio
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