53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "audio_core/sink/sink.h"
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#include "audio_core/sink/sink_stream.h"
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namespace AudioCore::Sink {
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/**
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* A no-op sink for when no audio out is wanted.
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*/
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class NullSink final : public Sink {
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public:
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explicit NullSink(std::string_view) {}
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~NullSink() override = default;
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SinkStream* AcquireSinkStream([[maybe_unused]] Core::System& system,
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[[maybe_unused]] u32 system_channels,
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[[maybe_unused]] const std::string& name,
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[[maybe_unused]] StreamType type) override {
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return &null_sink_stream;
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}
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void CloseStream([[maybe_unused]] const SinkStream* stream) override {}
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void CloseStreams() override {}
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void PauseStreams() override {}
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void UnpauseStreams() override {}
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f32 GetDeviceVolume() const override {
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return 1.0f;
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}
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void SetDeviceVolume(f32 volume) override {}
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void SetSystemVolume(f32 volume) override {}
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private:
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struct NullSinkStreamImpl final : SinkStream {
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void Finalize() override {}
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void Start(bool resume = false) override {}
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void Stop() override {}
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void AppendBuffer([[maybe_unused]] ::AudioCore::Sink::SinkBuffer& buffer,
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[[maybe_unused]] std::vector<s16>& samples) override {}
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std::vector<s16> ReleaseBuffer([[maybe_unused]] u64 num_samples) override {
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return {};
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}
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bool IsBufferConsumed([[maybe_unused]] const u64 tag) {
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return true;
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}
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void ClearQueue() override {}
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} null_sink_stream;
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};
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} // namespace AudioCore::Sink
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