mirror of https://git.suyu.dev/suyu/suyu
android: add oboe audio sink
Liam
parent
e357896674
commit
7239547ead
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <span>
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#include <vector>
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#include <oboe/Oboe.h>
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#include "audio_core/common/common.h"
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#include "audio_core/sink/oboe_sink.h"
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#include "audio_core/sink/sink_stream.h"
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#include "common/logging/log.h"
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#include "common/scope_exit.h"
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#include "core/core.h"
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namespace AudioCore::Sink {
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class OboeSinkStream final : public SinkStream,
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public oboe::AudioStreamDataCallback,
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public oboe::AudioStreamErrorCallback {
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public:
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explicit OboeSinkStream(Core::System& system_, StreamType type_, const std::string& name_,
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u32 device_channels_, u32 system_channels_)
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: SinkStream(system_, type_) {
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name = name_;
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system_channels = system_channels_;
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device_channels = device_channels_;
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this->OpenStream();
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}
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~OboeSinkStream() override {
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LOG_DEBUG(Audio_Sink, "Destructing Oboe stream {}", name);
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}
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void Finalize() override {
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this->Stop();
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m_stream.reset();
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}
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void Start(bool resume = false) override {
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if (!m_stream || !paused) {
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return;
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}
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paused = false;
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if (m_stream->start() != oboe::Result::OK) {
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LOG_CRITICAL(Audio_Sink, "Error starting Oboe stream");
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}
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}
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void Stop() override {
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if (!m_stream || paused) {
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return;
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}
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this->SignalPause();
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if (m_stream->stop() != oboe::Result::OK) {
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LOG_CRITICAL(Audio_Sink, "Error stopping Oboe stream");
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}
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}
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protected:
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oboe::DataCallbackResult onAudioReady(oboe::AudioStream*, void* audio_data,
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s32 num_buffer_frames) override {
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const size_t num_channels = this->GetDeviceChannels();
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const size_t frame_size = num_channels;
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const size_t num_frames = static_cast<size_t>(num_buffer_frames);
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if (type == StreamType::In) {
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std::span<const s16> input_buffer{reinterpret_cast<const s16*>(audio_data),
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num_frames * frame_size};
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this->ProcessAudioIn(input_buffer, num_frames);
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} else {
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std::span<s16> output_buffer{reinterpret_cast<s16*>(audio_data),
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num_frames * frame_size};
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this->ProcessAudioOutAndRender(output_buffer, num_frames);
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}
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return oboe::DataCallbackResult::Continue;
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}
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void onErrorAfterClose(oboe::AudioStream*, oboe::Result) override {
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LOG_INFO(Audio_Sink, "Audio stream closed, reinitializing");
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if (this->OpenStream()) {
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m_stream->start();
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}
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}
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private:
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bool OpenStream() {
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const auto direction = [&]() {
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switch (type) {
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case StreamType::In:
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return oboe::Direction::Input;
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case StreamType::Out:
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case StreamType::Render:
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return oboe::Direction::Output;
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default:
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ASSERT(false);
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return oboe::Direction::Output;
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}
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}();
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const auto channel_mask = [&]() {
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switch (device_channels) {
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case 1:
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return oboe::ChannelMask::Mono;
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case 2:
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return oboe::ChannelMask::Stereo;
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case 6:
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return oboe::ChannelMask::CM5Point1;
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default:
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ASSERT(false);
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return oboe::ChannelMask::Unspecified;
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}
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}();
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oboe::AudioStreamBuilder builder;
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const auto result = builder.setDirection(direction)
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->setSampleRate(TargetSampleRate)
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->setChannelCount(device_channels)
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->setChannelMask(channel_mask)
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->setFormat(oboe::AudioFormat::I16)
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->setFormatConversionAllowed(true)
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->setDataCallback(this)
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->setErrorCallback(this)
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->openStream(m_stream);
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ASSERT(result == oboe::Result::OK);
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return result == oboe::Result::OK;
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}
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std::shared_ptr<oboe::AudioStream> m_stream{};
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};
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OboeSink::OboeSink() {
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// TODO: how do we get the number of channels, or device list?
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// This seems to be missing from NDK.
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device_channels = 2;
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}
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OboeSink::~OboeSink() = default;
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SinkStream* OboeSink::AcquireSinkStream(Core::System& system, u32 system_channels,
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const std::string& name, StreamType type) {
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SinkStreamPtr& stream = sink_streams.emplace_back(
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std::make_unique<OboeSinkStream>(system, type, name, device_channels, system_channels));
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return stream.get();
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}
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void OboeSink::CloseStream(SinkStream* to_remove) {
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sink_streams.remove_if([&](auto& stream) { return stream.get() == to_remove; });
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}
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void OboeSink::CloseStreams() {
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sink_streams.clear();
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}
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f32 OboeSink::GetDeviceVolume() const {
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if (sink_streams.empty()) {
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return 1.0f;
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}
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return sink_streams.front()->GetDeviceVolume();
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}
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void OboeSink::SetDeviceVolume(f32 volume) {
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for (auto& stream : sink_streams) {
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stream->SetDeviceVolume(volume);
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}
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}
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void OboeSink::SetSystemVolume(f32 volume) {
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for (auto& stream : sink_streams) {
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stream->SetSystemVolume(volume);
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}
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}
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} // namespace AudioCore::Sink
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@ -0,0 +1,75 @@
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// SPDX-FileCopyrightText: Copyright 2023 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 <list>
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#include <string>
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#include "audio_core/sink/sink.h"
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namespace Core {
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class System;
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}
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namespace AudioCore::Sink {
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class SinkStream;
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class OboeSink final : public Sink {
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public:
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explicit OboeSink();
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~OboeSink() override;
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/**
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* Create a new sink stream.
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*
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* @param system - Core system.
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* @param system_channels - Number of channels the audio system expects.
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* May differ from the device's channel count.
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* @param name - Name of this stream.
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* @param type - Type of this stream, render/in/out.
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*
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* @return A pointer to the created SinkStream
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*/
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SinkStream* AcquireSinkStream(Core::System& system, u32 system_channels,
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const std::string& name, StreamType type) override;
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/**
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* Close a given stream.
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*
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* @param stream - The stream to close.
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*/
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void CloseStream(SinkStream* stream) override;
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/**
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* Close all streams.
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*/
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void CloseStreams() override;
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/**
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* Get the device volume. Set from calls to the IAudioDevice service.
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*
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* @return Volume of the device.
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*/
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f32 GetDeviceVolume() const override;
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/**
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* Set the device volume. Set from calls to the IAudioDevice service.
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*
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* @param volume - New volume of the device.
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*/
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void SetDeviceVolume(f32 volume) override;
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/**
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* Set the system volume. Comes from the audio system using this stream.
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*
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* @param volume - New volume of the system.
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*/
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void SetSystemVolume(f32 volume) override;
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private:
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/// List of streams managed by this sink
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std::list<SinkStreamPtr> sink_streams{};
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};
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} // namespace AudioCore::Sink
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