106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "modules.h"
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namespace easy2d
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{
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namespace modules
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{
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namespace
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{
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int initialize_count = 0;
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inline void SafeFreeLibrary(HMODULE instance)
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{
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if (instance)
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FreeLibrary(instance);
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}
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}
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Module_XAudio2 XAudio2;
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Module_MediaFoundation MediaFoundation;
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void Init()
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{
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initialize_count++;
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if (initialize_count > 1)
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return;
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const auto xaudio2_dll_names =
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{
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L"xaudio2_9.dll",
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L"xaudio2_8.dll",
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L"xaudio2_7.dll"
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};
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for (const auto& name : xaudio2_dll_names)
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{
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XAudio2.instance = LoadLibraryW(name);
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if (XAudio2.instance)
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{
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XAudio2.XAudio2Create = (PFN_XAudio2Create)
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GetProcAddress(XAudio2.instance, "XAudio2Create");
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break;
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}
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}
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MediaFoundation.mfplat = LoadLibraryW(L"Mfplat.dll");
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if (MediaFoundation.mfplat)
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{
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MediaFoundation.MFStartup = (PFN_MFStartup)
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GetProcAddress(MediaFoundation.mfplat, "MFStartup");
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MediaFoundation.MFShutdown = (PFN_MFShutdown)
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GetProcAddress(MediaFoundation.mfplat, "MFShutdown");
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MediaFoundation.MFCreateMediaType = (PFN_MFCreateMediaType)
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GetProcAddress(MediaFoundation.mfplat, "MFCreateMediaType");
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MediaFoundation.MFCreateWaveFormatExFromMFMediaType = (PFN_MFCreateWaveFormatExFromMFMediaType)
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GetProcAddress(MediaFoundation.mfplat, "MFCreateWaveFormatExFromMFMediaType");
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MediaFoundation.MFCreateMFByteStreamOnStream = (PFN_MFCreateMFByteStreamOnStream)
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GetProcAddress(MediaFoundation.mfplat, "MFCreateMFByteStreamOnStream");
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}
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MediaFoundation.mfreadwrite = LoadLibraryW(L"Mfreadwrite.dll");
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if (MediaFoundation.mfreadwrite)
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{
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MediaFoundation.MFCreateSourceReaderFromURL = (PFN_MFCreateSourceReaderFromURL)
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GetProcAddress(MediaFoundation.mfreadwrite, "MFCreateSourceReaderFromURL");
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MediaFoundation.MFCreateSourceReaderFromByteStream = (PFN_MFCreateSourceReaderFromByteStream)
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GetProcAddress(MediaFoundation.mfreadwrite, "MFCreateSourceReaderFromByteStream");
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}
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}
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void Destroy()
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{
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initialize_count--;
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if (initialize_count > 0)
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return;
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SafeFreeLibrary(XAudio2.instance);
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SafeFreeLibrary(MediaFoundation.mfplat);
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SafeFreeLibrary(MediaFoundation.mfreadwrite);
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}
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}
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} |