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/* SPDX-License-Identifier: BSD-3-Clause */
/* SPDX-FileCopyrightText: Olivier Lapicque */
/* SPDX-FileCopyrightText: OpenMPT Project Developers and Contributors */
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#ifdef MPT_WITH_ASIO
#include "SoundDevice.hpp"
#include "SoundDeviceBase.hpp"
#include "mpt/string/types.hpp"
#include "openmpt/base/Types.hpp"
#include "openmpt/logging/Logger.hpp"
#include <atomic>
#include <memory>
#include <stdexcept>
#include <string>
#include <vector>
#include <cassert>
#include <ASIOModern/ASIO.hpp>
#include <ASIOModern/ASIOSystemWindows.hpp>
#if defined(MODPLUG_TRACKER)
#if !defined(MPT_BUILD_WINESUPPORT)
#include "../mptrack/ExceptionHandler.h"
#endif // !MPT_BUILD_WINESUPPORT
#endif // MODPLUG_TRACKER
#endif // MPT_WITH_ASIO
OPENMPT_NAMESPACE_BEGIN
namespace SoundDevice
{
#ifdef MPT_WITH_ASIO
class ASIOException
: public std::runtime_error
{
public:
ASIOException(const std::string &msg)
: std::runtime_error(msg)
{
return;
}
};
class CASIODevice
: public SoundDevice::Base
, private ASIO::Driver::CallbackHandler
{
friend class TemporaryASIODriverOpener;
protected:
std::unique_ptr<ASIO::Windows::IBufferSwitchDispatcher> m_DeferredBufferSwitchDispatcher;
std::unique_ptr<ASIO::Driver> m_Driver;
#if defined(MODPLUG_TRACKER) && !defined(MPT_BUILD_WINESUPPORT)
using CrashContext = ExceptionHandler::Context;
using CrashContextGuard = ExceptionHandler::ContextSetter;
#else // !(MODPLUG_TRACKER && !MPT_BUILD_WINESUPPORT)
struct CrashContext
{
void SetDescription(mpt::ustring)
{
return;
}
};
struct CrashContextGuard
{
CrashContextGuard(CrashContext *)
{
return;
}
};
#endif // MODPLUG_TRACKER && !MPT_BUILD_WINESUPPORT
CrashContext m_Ectx;
class ASIODriverWithContext
{
private:
ASIO::Driver *m_Driver;
CrashContextGuard m_Guard;
public:
ASIODriverWithContext(ASIO::Driver *driver, CrashContext *ectx)
: m_Driver(driver)
, m_Guard(ectx)
{
assert(driver);
assert(ectx);
}
ASIODriverWithContext(const ASIODriverWithContext &) = delete;
ASIODriverWithContext &operator=(const ASIODriverWithContext &) = delete;
ASIO::Driver *operator->()
{
return m_Driver;
}
};
ASIODriverWithContext AsioDriver()
{
assert(m_Driver);
return ASIODriverWithContext{m_Driver.get(), &m_Ectx};
}
double m_BufferLatency;
ASIO::Long m_nAsioBufferLen;
std::vector<ASIO::BufferInfo> m_BufferInfo;
bool m_BuffersCreated;
std::vector<ASIO::ChannelInfo> m_ChannelInfo;
std::vector<double> m_SampleBufferDouble;
std::vector<float> m_SampleBufferFloat;
std::vector<int16> m_SampleBufferInt16;
std::vector<int24> m_SampleBufferInt24;
std::vector<int32> m_SampleBufferInt32;
std::vector<double> m_SampleInputBufferDouble;
std::vector<float> m_SampleInputBufferFloat;
std::vector<int16> m_SampleInputBufferInt16;
std::vector<int24> m_SampleInputBufferInt24;
std::vector<int32> m_SampleInputBufferInt32;
bool m_CanOutputReady;
bool m_DeviceRunning;
uint64 m_TotalFramesWritten;
bool m_DeferredProcessing;
ASIO::BufferIndex m_BufferIndex;
std::atomic<bool> m_RenderSilence;
std::atomic<bool> m_RenderingSilence;
int64 m_StreamPositionOffset;
using AsioRequests = uint8;
struct AsioRequest
{
enum AsioRequestEnum : AsioRequests
{
LatenciesChanged = 1 << 0,
};
};
std::atomic<AsioRequests> m_AsioRequest;
using AsioFeatures = uint16;
struct AsioFeature
{
enum AsioFeatureEnum : AsioFeatures
{
ResetRequest = 1 << 0,
ResyncRequest = 1 << 1,
BufferSizeChange = 1 << 2,
Overload = 1 << 3,
SampleRateChange = 1 << 4,
DeferredProcess = 1 << 5,
};
};
mutable std::atomic<AsioFeatures> m_UsedFeatures;
static mpt::ustring AsioFeaturesToString(AsioFeatures features);
mutable std::atomic<uint32> m_DebugRealtimeThreadID;
void SetRenderSilence(bool silence, bool wait = false);
public:
CASIODevice(ILogger &logger, SoundDevice::Info info, SoundDevice::SysInfo sysInfo);
~CASIODevice();
private:
void InitMembers();
bool HandleRequests(); // return true if any work has been done
void UpdateLatency();
void InternalStopImpl(bool force);
public:
bool InternalOpen();
bool InternalClose();
void InternalFillAudioBuffer();
bool InternalStart();
void InternalStop();
bool InternalIsOpen() const { return m_BuffersCreated; }
bool InternalIsPlayingSilence() const;
void InternalStopAndAvoidPlayingSilence();
void InternalEndPlayingSilence();
bool OnIdle() { return HandleRequests(); }
SoundDevice::Caps InternalGetDeviceCaps();
SoundDevice::DynamicCaps GetDeviceDynamicCaps(const std::vector<uint32> &baseSampleRates);
bool OpenDriverSettings();
bool DebugIsFragileDevice() const;
bool DebugInRealtimeCallback() const;
SoundDevice::Statistics GetStatistics() const;
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);
protected:
void OpenDriver();
void CloseDriver();
bool IsDriverOpen() const { return (m_Driver != nullptr); }
bool InternalHasTimeInfo() const;
SoundDevice::BufferAttributes InternalGetEffectiveBufferAttributes() const;
protected:
void FillAsioBuffer(bool useSource = true);
private:
// CallbackHandler
void MessageResetRequest() noexcept override;
bool MessageBufferSizeChange(ASIO::Long newSize) noexcept override;
bool MessageResyncRequest() noexcept override;
void MessageLatenciesChanged() noexcept override;
ASIO::Long MessageMMCCommand(ASIO::Long value, const void *message, const ASIO::Double *opt) noexcept override;
void MessageOverload() noexcept override;
ASIO::Long MessageUnknown(ASIO::MessageSelector selector, ASIO::Long value, const void *message, const ASIO::Double *opt) noexcept override;
void RealtimeSampleRateDidChange(ASIO::SampleRate sRate) noexcept override;
void RealtimeRequestDeferredProcessing(bool value) noexcept override;
void RealtimeTimeInfo(ASIO::Time time) noexcept override;
void RealtimeBufferSwitch(ASIO::BufferIndex bufferIndex) noexcept override;
void RealtimeBufferSwitchImpl(ASIO::BufferIndex bufferIndex) noexcept;
private:
void ExceptionHandler(const char *func);
};
#endif // MPT_WITH_ASIO
} // namespace SoundDevice
OPENMPT_NAMESPACE_END
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