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/*
* Copyright © Microsoft Corporation
*
* 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 (including the next
* paragraph) 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.
*/
#define UNICODE
#include "gallium/frontends/mediafoundation/hmft_entrypoints.h"
#include "gallium/frontends/mediafoundation/macros.h"
#include <strsafe.h>
#include <initguid.h>
using namespace Microsoft::WRL;
extern "C" BOOL WINAPI
DllEntryPoint(HINSTANCE, ULONG, __inout_opt LPVOID);
#if MFT_CODEC_H264ENC
const wchar_t *g_pMFTFriendlyName =
L"Microsoft AVC DX12 Encoder HMFT";
DEFINE_GUID(CLSID_CDX12EncoderHMFT, 0x8994db7c, 0x288a, 0x4c62, 0xa1, 0x36, 0xa3, 0xc3, 0xc2, 0xa2, 0x08, 0xa8);
#elif MFT_CODEC_H265ENC
const wchar_t *g_pMFTFriendlyName =
L"Microsoft HEVC DX12 Encoder HMFT";
DEFINE_GUID(CLSID_CDX12EncoderHMFT, 0xe7ffb8eb, 0xfa0b, 0x4fb0, 0xac, 0xdf, 0x12, 0x2, 0xf6, 0x63, 0xcd, 0xe5);
#elif MFT_CODEC_AV1ENC
const wchar_t *g_pMFTFriendlyName =
L"Microsoft AV1 DX12 Encoder HMFT";
DEFINE_GUID(CLSID_CDX12EncoderHMFT, 0x1a6f3150, 0xb121, 0x4ce9, 0x94, 0x97, 0x50, 0xfe, 0xdb, 0x3d, 0xcb, 0x70);
#else
#error MFT_CODEC_xxx must be defined
#endif
HINSTANCE g_hModule = nullptr;
void WppInit();
void WppClean();
#if !defined(__WRL_CLASSIC_COM__)
STDAPI
DllGetActivationFactory(_In_ HSTRING activatibleClassId, _COM_Outptr_ IActivationFactory **factory)
{
return Module<InProc>::GetModule().GetActivationFactory(activatibleClassId, factory);
}
#endif
#if !defined(__WRL_WINRT_STRICT__)
STDAPI
DllGetClassObject(REFCLSID rclsid, REFIID riid, _COM_Outptr_ void **ppv)
{
return Module<InProc>::GetModule().GetClassObject(rclsid, riid, ppv);
}
#endif
STDAPI
DllCanUnloadNow()
{
return Module<InProc>::GetModule().Terminate() ? S_OK : S_FALSE;
}
STDAPI_(BOOL) DllMain(_In_opt_ HMODULE hModule, DWORD reason, _In_opt_ LPVOID lpReserved)
{
BOOL bRetValue = TRUE;
switch (reason) {
case DLL_PROCESS_ATTACH:
WppInit();
if (hModule != nullptr) {
g_hModule = hModule;
DisableThreadLibraryCalls(hModule);
} else {
bRetValue = FALSE;
}
Module<InProc>::GetModule().Create();
break;
case DLL_PROCESS_DETACH:
if (NULL == lpReserved) {
Module<InProc>::GetModule().Terminate();
}
WppClean();
break;
}
return bRetValue;
}
#ifndef BUILD_FOR_MSDK
HRESULT
RegisterMFT(REFIID riid)
{
ComPtr<IMFAttributes> spAttributes;
if(SUCCEEDED(MFCreateAttributes(&spAttributes, 4)))
{
spAttributes->SetString(MFT_ENUM_HARDWARE_VENDOR_ID_Attribute, L"VEN_1414");
spAttributes->SetString(MFT_ENUM_HARDWARE_URL_Attribute, g_pMFTFriendlyName);
spAttributes->SetUINT32(MF_SA_D3D11_AWARE, TRUE);
spAttributes->SetUINT32(MF_SA_D3D12_AWARE, TRUE);
}
return MFTRegister(riid,
MFT_CATEGORY_VIDEO_ENCODER,
(LPWSTR) g_pMFTFriendlyName,
MFT_ENUM_FLAG_ASYNCMFT | MFT_ENUM_FLAG_HARDWARE,
ARRAYSIZE(rgInputInfo),
rgInputInfo,
1, // 1 output type
&rgOutputInfo,
spAttributes.Get());
}
HRESULT
UnregisterMFT(REFIID riid)
{
return MFTUnregister(riid);
}
HRESULT
WriteClassToRegistry(__in PTSTR pwszFilename, REFIID riid)
{
HRESULT hr = (pwszFilename != nullptr) ? S_OK : E_POINTER;
if (SUCCEEDED(hr)) {
WCHAR wszClsid[40];
hr = (StringFromGUID2(riid, wszClsid, ARRAYSIZE(wszClsid)) > 0) ? S_OK : E_INVALIDARG;
if (SUCCEEDED(hr)) {
HKEY pkeyClass = nullptr;
hr = HRESULT_FROM_WIN32(RegCreateKeyEx(HKEY_CLASSES_ROOT,
L"CLSID",
0,
nullptr,
REG_OPTION_NON_VOLATILE,
KEY_WRITE | KEY_READ | KEY_CREATE_SUB_KEY | KEY_ENUMERATE_SUB_KEYS,
nullptr,
&pkeyClass,
nullptr));
if (SUCCEEDED(hr)) {
HKEY pkeyMFT = nullptr;
hr = HRESULT_FROM_WIN32(RegCreateKeyEx(pkeyClass,
wszClsid,
0,
nullptr,
REG_OPTION_NON_VOLATILE,
KEY_WRITE | KEY_READ | KEY_CREATE_SUB_KEY | KEY_ENUMERATE_SUB_KEYS,
nullptr,
&pkeyMFT,
nullptr));
if (SUCCEEDED(hr)) {
HKEY pkeyInproc = nullptr;
hr =
HRESULT_FROM_WIN32(RegCreateKeyEx(pkeyMFT,
L"InprocServer32",
0,
nullptr,
REG_OPTION_NON_VOLATILE,
KEY_WRITE | KEY_READ | KEY_CREATE_SUB_KEY | KEY_ENUMERATE_SUB_KEYS,
nullptr,
&pkeyInproc,
nullptr));
if (SUCCEEDED(hr)) {
WCHAR wszValue[_MAX_PATH];
DWORD dwValSize = _MAX_PATH * sizeof(WCHAR);
DWORD dwType;
hr = HRESULT_FROM_WIN32(
RegQueryValueEx(pkeyInproc, nullptr, nullptr, &dwType, (LPBYTE) wszValue, &dwValSize));
if (SUCCEEDED(hr)) {
if (_wcsicmp(wszValue, pwszFilename)) {
hr = E_FAIL;
}
}
// need to put the new dll name
if (!SUCCEEDED(hr)) {
// Safe to cast length of ptszFilename calculation since buffer is MAX_PATH (26) length
hr = HRESULT_FROM_WIN32(RegSetKeyValue(pkeyInproc,
nullptr,
nullptr,
REG_SZ,
pwszFilename,
(DWORD) (wcslen(pwszFilename) * sizeof(WCHAR))));
if (SUCCEEDED(hr)) {
PCTSTR pcwszThreadingModel = L"Both";
hr = HRESULT_FROM_WIN32(RegSetKeyValue(pkeyInproc,
nullptr,
L"ThreadingModel",
REG_SZ,
pcwszThreadingModel,
(DWORD) (wcslen(pcwszThreadingModel) * sizeof(WCHAR))));
}
}
RegCloseKey(pkeyInproc);
}
RegCloseKey(pkeyMFT);
}
RegCloseKey(pkeyClass);
}
}
}
return hr;
}
HRESULT
RemoveClassFromRegistry(REFIID riid)
{
WCHAR wszClsid[40];
WCHAR wszPath[80];
HRESULT hr = S_OK;
do {
CHECKHR_GOTO(((StringFromGUID2(riid, wszClsid, ARRAYSIZE(wszClsid)) > 0) ? S_OK : E_INVALIDARG), done);
CHECKHR_GOTO((StringCchPrintf(wszPath, 80, L"CLSID\\%s", wszClsid)), done);
CHECKHR_GOTO(HRESULT_FROM_WIN32(RegDeleteTree(HKEY_CLASSES_ROOT, wszPath)), done);
} while (FALSE);
done:
return hr;
}
#endif
STDAPI
DllRegisterServer()
{
#ifndef BUILD_FOR_MSDK
HINSTANCE hMod = g_hModule;
if (hMod == nullptr) {
hMod = GetModuleHandle(nullptr);
}
HRESULT hr = (hMod != nullptr) ? S_OK : E_UNEXPECTED;
if (SUCCEEDED(hr)) {
WCHAR szFilename[MAX_PATH];
hr =
(0 == GetModuleFileName(hMod, szFilename, ARRAYSIZE(szFilename))) ? S_OK : HRESULT_FROM_WIN32(GetLastError());
if (SUCCEEDED(hr)) {
hr = WriteClassToRegistry(szFilename, CLSID_CDX12EncoderHMFT);
if (SUCCEEDED(hr)) {
hr = RegisterMFT(CLSID_CDX12EncoderHMFT);
}
if (FAILED(hr)) {
UnregisterMFT(CLSID_CDX12EncoderHMFT);
RemoveClassFromRegistry(CLSID_CDX12EncoderHMFT);
}
}
}
return hr;
#else // BUILD_FOR_MSDK
return E_FAIL;
#endif // BUILD_FOR_MSDK
}
STDAPI
DllUnregisterServer()
{
#ifndef BUILD_FOR_MSDK
HRESULT hr = RemoveClassFromRegistry(CLSID_CDX12EncoderHMFT);
if (SUCCEEDED(hr)) {
hr = UnregisterMFT(CLSID_CDX12EncoderHMFT);
}
return hr;
#else // BUILD_FOR_MSDK
return E_FAIL;
#endif // BUILD_FOR_MSDK
}
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