/* SPDX-License-Identifier: BSD-3-Clause */
/* SPDX-FileCopyrightText: Olivier Lapicque */
/* SPDX-FileCopyrightText: OpenMPT Project Developers and Contributors */


#pragma once

#include "openmpt/all/BuildSettings.hpp"

#include "SoundDevice.hpp"
#include "SoundDeviceUtilities.hpp"

#include "mpt/base/detect.hpp"
#include "openmpt/base/Types.hpp"
#include "openmpt/logging/Logger.hpp"

#include <atomic>
#include <memory>
#include <vector>

#include <cstddef>

#if MPT_OS_WINDOWS
#include <MMSystem.h>
#include <windows.h>
#endif  // MPT_OS_WINDOWS


OPENMPT_NAMESPACE_BEGIN


namespace SoundDevice
{


#if MPT_OS_WINDOWS


class CWaveDevice : public CSoundDeviceWithThread
{
protected:
	HANDLE m_ThreadWakeupEvent;
	bool m_Failed;
	HWAVEOUT m_hWaveOut;
	uint32 m_nWaveBufferSize;
	bool m_JustStarted;
	ULONG m_nPreparedHeaders;
	ULONG m_nWriteBuffer;
	ULONG m_nDoneBuffer;
	mutable LONG m_nBuffersPending;
	std::vector<WAVEHDR> m_WaveBuffers;
	std::vector<std::vector<char>> m_WaveBuffersData;

	mutable mpt::mutex m_PositionWraparoundMutex;
	mutable MMTIME m_PositionLast;
	mutable std::size_t m_PositionWrappedCount;

	static constexpr uint32 DriverBugDoneNotificationAndHeaderInQueue = (1u << 0u);  //  1
	static constexpr uint32 DriverBugDoneNotificationAndHeaderNotDone = (1u << 1u);  //  2
	static constexpr uint32 DriverBugBufferFillAndHeaderInQueue = (1u << 2u);        //  4
	static constexpr uint32 DriverBugBufferFillAndHeaderNotDone = (1u << 3u);        //  8
	static constexpr uint32 DriverBugDoneNotificationOutOfOrder = (1u << 4u);        // 10
	std::atomic<uint32> m_DriverBugs;

public:
	CWaveDevice(ILogger &logger, SoundDevice::Info info, SoundDevice::SysInfo sysInfo);
	~CWaveDevice();

public:
	bool InternalOpen();
	bool InternalClose();
	void InternalFillAudioBuffer();
	void StartFromSoundThread();
	void StopFromSoundThread();
	bool InternalIsOpen() const { return (m_hWaveOut != NULL); }
	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:
	bool CheckResult(MMRESULT result);
	bool CheckResult(MMRESULT result, DWORD param);

	void HandleWaveoutDone(WAVEHDR *hdr);

	int GetDeviceIndex() const;

public:
	static void CALLBACK WaveOutCallBack(HWAVEOUT, UINT uMsg, DWORD_PTR, DWORD_PTR dw1, DWORD_PTR dw2);
	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_OS_WINDOWS


}  // namespace SoundDevice


OPENMPT_NAMESPACE_END