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/* SPDX-License-Identifier: BSD-3-Clause */
/* SPDX-FileCopyrightText: OpenMPT Project Developers and Contributors */
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#include "SoundDeviceBase.hpp"
#include "openmpt/base/Types.hpp"
#include "openmpt/logging/Logger.hpp"
#include <atomic>
#include <memory>
#include <vector>
#ifdef MPT_WITH_RTAUDIO
#if MPT_COMPILER_MSVC
#pragma warning(push)
#pragma warning(disable : 4244) // conversion from 'int' to 'unsigned char', possible loss of data
#endif
#if MPT_COMPILER_GCC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-copy"
#endif
#include <RtAudio.h>
#if MPT_COMPILER_GCC
#pragma GCC diagnostic pop
#endif
#if MPT_COMPILER_MSVC
#pragma warning(pop)
#endif
#endif // MPT_WITH_RTAUDIO
OPENMPT_NAMESPACE_BEGIN
namespace SoundDevice
{
#ifdef MPT_WITH_RTAUDIO
class CRtAudioDevice : public SoundDevice::Base
{
protected:
std::unique_ptr<RtAudio> m_RtAudio;
RtAudio::StreamParameters m_InputStreamParameters;
RtAudio::StreamParameters m_OutputStreamParameters;
unsigned int m_FramesPerChunk;
RtAudio::StreamOptions m_StreamOptions;
void *m_CurrentFrameBufferOutput;
void *m_CurrentFrameBufferInput;
unsigned int m_CurrentFrameBufferCount;
double m_CurrentStreamTime;
std::atomic<uint32> m_StatisticLatencyFrames;
std::atomic<uint32> m_StatisticPeriodFrames;
public:
CRtAudioDevice(ILogger &logger, SoundDevice::Info info, SoundDevice::SysInfo sysInfo);
~CRtAudioDevice();
public:
bool InternalOpen();
bool InternalClose();
void InternalFillAudioBuffer();
bool InternalStart();
void InternalStop();
bool InternalIsOpen() const { return m_RtAudio && m_RtAudio->isStreamOpen(); }
bool InternalHasGetStreamPosition() const { return true; }
int64 InternalGetStreamPositionFrames() const;
SoundDevice::BufferAttributes InternalGetEffectiveBufferAttributes() const;
SoundDevice::Statistics GetStatistics() const;
SoundDevice::Caps InternalGetDeviceCaps();
SoundDevice::DynamicCaps GetDeviceDynamicCaps(const std::vector<uint32> &baseSampleRates);
private:
void SendError(const RtAudioError &e);
void AudioCallback(void *outputBuffer, void *inputBuffer, unsigned int nFrames, double streamTime, RtAudioStreamStatus status);
static int RtAudioCallback(void *outputBuffer, void *inputBuffer, unsigned int nFrames, double streamTime, RtAudioStreamStatus status, void *userData);
static RtAudio::Api GetApi(SoundDevice::Info info);
static unsigned int GetDevice(SoundDevice::Info info);
public:
static std::unique_ptr<SoundDevice::BackendInitializer> BackendInitializer() { return std::make_unique<SoundDevice::BackendInitializer>(); }
static std::vector<SoundDevice::Info> EnumerateDevices(ILogger &logger, SoundDevice::SysInfo sysInfo);
};
#endif // MPT_WITH_RTAUDIO
} // namespace SoundDevice
OPENMPT_NAMESPACE_END
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