#include "stdafx.h"
#include "Utilities/Log.h"
#include "Emu/System.h"
#include "rpcs3/Ini.h"

#if defined (_WIN32)
#include "XAudio2Thread.h"

XAudio2Thread::~XAudio2Thread()
{
	Quit();
}

void XAudio2Thread::Init()
{
	HRESULT hr = S_OK;

	hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : CoInitializeEx() failed(0x%08x)", hr);
		Emu.Pause();
		return;
	}

	hr = XAudio2Create(&m_xaudio2_instance, 0, XAUDIO2_DEFAULT_PROCESSOR);
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : XAudio2Create() failed(0x%08x)", hr);
		Emu.Pause();
		return;
	}

	hr = m_xaudio2_instance->CreateMasteringVoice(&m_master_voice);
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : CreateMasteringVoice() failed(0x%08x)", hr);
		m_xaudio2_instance->Release();
		Emu.Pause();
	}
}

void XAudio2Thread::Quit()
{
	Stop();
	m_source_voice->DestroyVoice();
	m_source_voice = nullptr;
	m_master_voice->DestroyVoice();
	m_master_voice = nullptr;
	m_xaudio2_instance->StopEngine();
	m_xaudio2_instance->Release();
	m_xaudio2_instance = nullptr;
}

void XAudio2Thread::Play()
{
	HRESULT hr = m_source_voice->Start();
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : Start() failed(0x%08x)", hr);
		Emu.Pause();
	}
}

void XAudio2Thread::Close()
{
	Stop();
	HRESULT hr = m_source_voice->FlushSourceBuffers();
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : FlushSourceBuffers() failed(0x%08x)", hr);
		Emu.Pause();
	}
}

void XAudio2Thread::Stop()
{
	HRESULT hr = m_source_voice->Stop();
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : Stop() failed(0x%08x)", hr);
		Emu.Pause();
	}
}

void XAudio2Thread::Open(const void* src, int size)
{
	HRESULT hr;

	WAVEFORMATEX waveformatex;
	waveformatex.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
	waveformatex.nChannels = 2;
	waveformatex.nSamplesPerSec = 48000;
	waveformatex.nAvgBytesPerSec = 48000 * 2 * sizeof(float);
	waveformatex.nBlockAlign = 2 * sizeof(float);
	waveformatex.wBitsPerSample = 32;
	waveformatex.cbSize = 0;

	hr = m_xaudio2_instance->CreateSourceVoice(&m_source_voice, &waveformatex, 0, XAUDIO2_DEFAULT_FREQ_RATIO);
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : CreateSourceVoice() failed(0x%08x)", hr);
		Emu.Pause();
		return;
	}

	AddData(src, size);
	Play();
}

void XAudio2Thread::AddData(const void* src, int size)
{
	XAUDIO2_BUFFER buffer;

	buffer.AudioBytes = size;
	buffer.Flags = 0;
	buffer.LoopBegin = XAUDIO2_NO_LOOP_REGION;
	buffer.LoopCount = 0;
	buffer.LoopLength = 0;
	buffer.pAudioData = (const BYTE*)src;
	buffer.pContext = 0;
	buffer.PlayBegin = 0;
	buffer.PlayLength = 256;

	HRESULT hr = m_source_voice->SubmitSourceBuffer(&buffer);
	if (FAILED(hr))
	{
		LOG_ERROR(GENERAL, "XAudio2Thread : AddData() failed(0x%08x)", hr);
		Emu.Pause();
	}
}
#endif