Initial commit for GitHub migration based on spice2x-25-03-03

2026-08-04 15:50:42 -07:00 · 2025-03-10 19:16:49 -07:00
parent 94af8d32c9
commit ed8c72852f
1008 changed files with 296815 additions and 0 deletions
@@ -0,0 +1,116 @@
+#include "mf_wrappers.h"
+#include "util/libutils.h"
+#include "util/logging.h"
+
+namespace games::iidx {
+
+    static bool INITIALIZED = false;
+
+    static HMODULE mf_dll = nullptr;
+    static HMODULE mfreadwrite_dll = nullptr;
+    static HMODULE mfplat_dll = nullptr;
+
+    typedef HRESULT (__stdcall * MFCreateAttributes_t)(
+        _Out_ IMFAttributes** ppMFAttributes,
+        _In_ UINT32 cInitialSize
+        );
+
+    typedef HRESULT (__stdcall * MFEnumDeviceSources_t)(
+        _In_ IMFAttributes* pAttributes,
+        _Outptr_result_buffer_(*pcSourceActivate) IMFActivate*** pppSourceActivate,
+        _Out_ UINT32* pcSourceActivate
+        );
+
+    typedef HRESULT (__stdcall * MFCreateSourceReaderFromMediaSource_t)(
+        _In_ IMFMediaSource *pMediaSource,
+        _In_opt_ IMFAttributes *pAttributes,
+        _Out_ IMFSourceReader **ppSourceReader
+        );
+
+    typedef HRESULT (__stdcall * MFGetService_t)(
+        IUnknown* punkObject,
+        REFGUID guidService,
+        REFIID riid,
+        _Outptr_ LPVOID* ppvObject
+        );
+
+    static MFCreateAttributes_t MFCreateAttributes = nullptr;
+    static MFEnumDeviceSources_t MFEnumDeviceSources = nullptr;
+    static MFCreateSourceReaderFromMediaSource_t MFCreateSourceReaderFromMediaSource = nullptr;
+    static MFGetService_t MFGetService = nullptr;
+
+    void init_mf_library() {
+
+        // why was all of this needed?
+        //
+        // when iidx camhook was initially implemented, we linked to mf.lib, mfreadwrite.lib, and mfplat.lib
+        // this made Unity-based really unhappy, causing them to skip over the logic that loads mf library
+        // causing videos to not play ("Initializing Microsoft Media Foundation failed." in the cmd prompt)
+        //
+        // as a result, the static linking to mf libs were removed, and we are now doing the mess that is this file
+
+        if (INITIALIZED) {
+            return;
+        }
+        INITIALIZED = true;
+
+        log_misc("mf_wrappers", "creating delay-loaded wrappers for MF routines - BEGIN");
+
+        mf_dll = libutils::load_library("mf.dll", true);
+        mfreadwrite_dll = libutils::load_library("mfreadwrite.dll", true);
+        mfplat_dll = libutils::load_library("mfplat.dll", true);
+
+        MFCreateAttributes = (MFCreateAttributes_t)
+            libutils::get_proc(mfplat_dll, "MFCreateAttributes");
+        if (!MFCreateAttributes) {
+            log_fatal("mf_wrappers", "MFCreateAttributes failed to hook");
+        }
+
+        MFEnumDeviceSources = (MFEnumDeviceSources_t)
+            libutils::get_proc(mf_dll, "MFEnumDeviceSources");
+        if (!MFEnumDeviceSources) {
+            log_fatal("mf_wrappers", "MFEnumDeviceSources failed to hook");
+        }
+
+        MFCreateSourceReaderFromMediaSource = (MFCreateSourceReaderFromMediaSource_t)
+            libutils::get_proc(mfreadwrite_dll, "MFCreateSourceReaderFromMediaSource");
+        if (!MFCreateSourceReaderFromMediaSource) {
+            log_fatal("mf_wrappers", "MFCreateSourceReaderFromMediaSource failed to hook");
+        }
+
+        MFGetService = (MFGetService_t)libutils::get_proc(mf_dll, "MFGetService");
+        if (!MFGetService) {
+            log_fatal("mf_wrappers", "MFGetService failed to hook");
+        }
+
+        log_misc("mf_wrappers", "creating delay-loaded wrappers for MF routines - DONE");
+    }
+
+    HRESULT WrappedMFCreateAttributes (
+        _Out_ IMFAttributes** ppMFAttributes,
+        _In_ UINT32 cInitialSize) {
+        return MFCreateAttributes(ppMFAttributes, cInitialSize);
+    }
+
+    HRESULT WrappedMFEnumDeviceSources (
+        _In_ IMFAttributes* pAttributes,
+        _Outptr_result_buffer_(*pcSourceActivate) IMFActivate*** pppSourceActivate,
+        _Out_ UINT32* pcSourceActivate) {
+        return MFEnumDeviceSources(pAttributes, pppSourceActivate, pcSourceActivate);
+    }
+
+    HRESULT WrappedMFCreateSourceReaderFromMediaSource (
+        _In_ IMFMediaSource *pMediaSource,
+        _In_opt_ IMFAttributes *pAttributes,
+        _Out_ IMFSourceReader **ppSourceReader) {
+        return MFCreateSourceReaderFromMediaSource(pMediaSource, pAttributes, ppSourceReader);
+    }
+
+    HRESULT WrappedMFGetService (
+        IUnknown* punkObject,
+        REFGUID guidService,
+        REFIID riid,
+        _Outptr_ LPVOID* ppvObject) {
+        return MFGetService(punkObject, guidService, riid, ppvObject);
+    }
+}