// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#include <kiwano/core/Logger.h>
#include <kiwano-audio/libraries.h>

namespace kiwano
{
	namespace audio
	{
		namespace dlls
		{
			XAudio2::XAudio2()
				: xaudio2()
				, XAudio2Create(nullptr)
			{
				const auto xaudio2_dll_names =
				{
					L"xaudio2_9.dll",	// for Windows 10
					L"xaudio2_8.dll",	// for Windows 8
					L"xaudio2_7.dll"	// for DirectX SDK
				};

				for (const auto& name : xaudio2_dll_names)
				{
					if (xaudio2.Load(name))
					{
						break;
					}
				}

				if (xaudio2.IsValid())
				{
					XAudio2Create = xaudio2.GetProcess<PFN_XAudio2Create>(L"XAudio2Create");
				}
				else
				{
					KGE_ERROR(L"Load xaudio2.dll failed");
					throw std::runtime_error("Load xaudio2.dll failed");
				}
			}

			MediaFoundation::MediaFoundation()
				: mfplat()
				, mfreadwrite()
				, MFStartup(nullptr)
				, MFShutdown(nullptr)
				, MFCreateMediaType(nullptr)
				, MFCreateWaveFormatExFromMFMediaType(nullptr)
				, MFCreateSourceReaderFromURL(nullptr)
				, MFCreateSourceReaderFromByteStream(nullptr)
				, MFCreateMFByteStreamOnStream(nullptr)
			{
				if (mfplat.Load(L"Mfplat.dll"))
				{
					MFStartup = mfplat.GetProcess<PFN_MFStartup>(L"MFStartup");
					MFShutdown = mfplat.GetProcess<PFN_MFShutdown>(L"MFShutdown");
					MFCreateMediaType = mfplat.GetProcess<PFN_MFCreateMediaType>(L"MFCreateMediaType");
					MFCreateWaveFormatExFromMFMediaType = mfplat.GetProcess<PFN_MFCreateWaveFormatExFromMFMediaType>(L"MFCreateWaveFormatExFromMFMediaType");
					MFCreateMFByteStreamOnStream = mfplat.GetProcess<PFN_MFCreateMFByteStreamOnStream>(L"MFCreateMFByteStreamOnStream");
				}
				else
				{
					KGE_SYS_LOG(L"Load Mfplat.dll failed");
					throw std::runtime_error("Load Mfplat.dll failed");
				}

				if (mfreadwrite.Load(L"Mfreadwrite.dll"))
				{
					MFCreateSourceReaderFromURL = mfreadwrite.GetProcess<PFN_MFCreateSourceReaderFromURL>(L"MFCreateSourceReaderFromURL");
					MFCreateSourceReaderFromByteStream = mfreadwrite.GetProcess<PFN_MFCreateSourceReaderFromByteStream>(L"MFCreateSourceReaderFromByteStream");
				}
				else
				{
					KGE_SYS_LOG(L"Load Mfreadwrite.dll failed");
					throw std::runtime_error("Load Mfreadwrite.dll failed");
				}
			}
		}
	}
}