52 lines
2.3 KiB
C++
52 lines
2.3 KiB
C++
// SPDX-License-Identifier: MPL-2.0
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// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
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#pragma once
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#include <oboe/Oboe.h>
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#include <common.h>
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namespace skyline {
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namespace constant {
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constexpr u16 SampleRate{48000}; //!< The common sampling rate to use for audio output
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constexpr u8 StereoChannelCount{2}; //!< Channels to use for stereo audio output
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constexpr u8 SurroundChannelCount{6}; //!< Channels to use for surround audio output (downsampled by backend)
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constexpr u16 MixBufferSize{960}; //!< Default size of the audren mix buffer
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constexpr auto PcmFormat{oboe::AudioFormat::I16}; //!< PCM data format to use for audio output
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}
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namespace audio {
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enum class AudioFormat : u8 {
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Invalid = 0, //!< An invalid PCM format
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Int8 = 1, //!< 8 bit integer PCM
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Int16 = 2, //!< 16 bit integer PCM
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Int24 = 3, //!< 24 bit integer PCM
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Int32 = 4, //!< 32 bit integer PCM
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Float = 5, //!< Floating point PCM
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ADPCM = 6, //!< Adaptive differential PCM
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};
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enum class AudioOutState : u8 {
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Started = 0, //!< Stream is started and is playing
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Stopped = 1, //!< Stream is stopped, there are no samples left to play
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Paused = 2, //!< Stream is paused, some samples may not have been played yet
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};
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struct BufferIdentifier {
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u64 tag;
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u64 finalSample; //!< The final sample this buffer will be played in, after that the buffer can be safely released
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bool released; //!< If the buffer has been released (fully played back)
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};
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/**
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* @brief Saturates the specified value according to the numeric limits of Out
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* @tparam Out The return value type and the numeric limit clamp
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* @tparam Intermediate The intermediate type that is converted to from In before clamping
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*/
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template<typename Out, typename Intermediate, typename In>
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inline Out Saturate(In value) {
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return static_cast<Out>(std::clamp(static_cast<Intermediate>(value), static_cast<Intermediate>(std::numeric_limits<Out>::min()), static_cast<Intermediate>(std::numeric_limits<Out>::max())));
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}
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}
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}
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