feat: Provide DMO functionality using dsdmo blob

> fetch dsdmo.dll blobs and embed into spicetools
> unpack and register overriding relevant COM server on runtime
> may be replaced in the future, see #12

.gitignore

@@ -14,6 +14,7 @@ build_docker.local.sh
 # output from build script
 bin/*
 dist/*
+build/*.dll
 
 external/cv2pdb/*
 

CMakeLists.txt

@@ -258,6 +258,19 @@ set_source_files_properties(cfg/manifest.rc PROPERTIES LANGUAGE RC)
 set_source_files_properties(cfg/icon.rc PROPERTIES LANGUAGE RC)
 set_source_files_properties(cfg/Win32D.rc PROPERTIES LANGUAGE RC)
 set_source_files_properties(build/manifest64.rc PROPERTIES LANGUAGE RC)
+set_source_files_properties(build/blob.rc PROPERTIES LANGUAGE RC)
+add_custom_command(
+    OUTPUT build/dsdmo.i686.dll
+    COMMAND sh -c "wget -qO- 'https://web.archive.org/web/20260212204718if_/https://download.zip.dll-files.com/d01cab97ad497201c4ad99eb6e4182b3/dsdmo.zip?token=f7cVie5KOSz-hnFUYC37Ow&expires=1770974229' | bsdtar -xvf - -C '${CMAKE_SOURCE_DIR}/build' -s '/dsdmo.dll/dsdmo.i686.dll/' dsdmo.dll"
+    COMMENT "Fetching dsdmo.dll blob (i686)"
+    VERBATIM
+)
+add_custom_command(
+    OUTPUT build/dsdmo.x86_64.dll
+    COMMAND sh -c "wget -qO- 'https://web.archive.org/web/20260212203516if_/https://download.zip.dll-files.com/2627c69b89807078f5fdf63ee104dddf/dsdmo.zip?token=1rLcDAA2LFA6YRyinX0GXg&expires=1770973374' | bsdtar -xvf - -C '${CMAKE_SOURCE_DIR}/build' -s '/dsdmo.dll/dsdmo.x86_64.dll/' dsdmo.dll"
+    COMMENT "Fetching dsdmo.dll blob (x86_64)"
+    VERBATIM
+)
 
 # sources
 #########
@@ -637,7 +650,7 @@ source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR} PREFIX "Source Files" FILES ${SOUR
 # spice.exe
 ###########
 
-set(RESOURCE_FILES build/manifest.manifest build/manifest.rc build/icon.rc cfg/Win32D.rc)
+set(RESOURCE_FILES build/manifest.manifest build/manifest.rc build/icon.rc cfg/Win32D.rc build/blob.rc build/dsdmo.i686.dll)
 add_executable(spicetools_spice ${SOURCE_FILES} ${RESOURCE_FILES})
 target_link_libraries(spicetools_spice
         PUBLIC d3d9 ws2_32 version comctl32 shlwapi iphlpapi hid secur32 setupapi psapi winmm winhttp
@@ -652,7 +665,7 @@ endif()
 # spice_laa.exe
 ###########
 
-set(RESOURCE_FILES build/manifest.manifest build/manifest.rc build/icon.rc cfg/Win32D.rc)
+set(RESOURCE_FILES build/manifest.manifest build/manifest.rc build/icon.rc cfg/Win32D.rc build/blob.rc build/dsdmo.i686.dll)
 add_executable(spicetools_spice_laa ${SOURCE_FILES} ${RESOURCE_FILES})
 target_link_libraries(spicetools_spice_laa
         PUBLIC d3d9 ws2_32 version comctl32 shlwapi iphlpapi hid secur32 setupapi psapi winmm winhttp
@@ -684,7 +697,7 @@ endif()
 # spice64.exe
 #############
 
-set(RESOURCE_FILES build/manifest.manifest build/manifest64.rc build/icon.rc cfg/Win32D.rc)
+set(RESOURCE_FILES build/manifest.manifest build/manifest64.rc build/icon.rc cfg/Win32D.rc build/blob.rc build/dsdmo.x86_64.dll)
 add_executable(spicetools_spice64 ${SOURCE_FILES} ${RESOURCE_FILES})
 
 # do NOT link against: mf, mfplat, mfreadwrite; otherwise unity games will break

build/blob.rc

@@ -0,0 +1,10 @@
+#ifndef RCDATA
+#define RCDATA 10
+#endif
+
+
+#ifdef SPICE64
+    DMO_BLOB RCDATA "dsdmo.x86_64.dll"
+#else
+    DMO_BLOB RCDATA "dsdmo.i686.dll"
+#endif

hooks/wmischook.cpp

@@ -167,15 +167,39 @@ void attach(HINSTANCE hmodule)
 
 namespace hooks::wmisc::dmoeffector
 {
+typedef HRESULT (STDAPICALLTYPE *DllRegisterServer_t)();
+
+HMODULE LoadLibraryRsrc(const char *rsrcname) {
+    // Unpack library blob
+    HRSRC hrsrc = FindResourceA(nullptr, rsrcname, RT_RCDATA);
+    void* rsrcdata = LockResource(LoadResource(nullptr, hrsrc));
+    DWORD rsrcsz = SizeofResource(nullptr, hrsrc);
+
+    // _REV: could use tmpfs instead if bmsound_wine provides tempfile wrapper in future
+    // Store as temporary file (no direct way to in-memory load without involving custom loaders like MemoryModule)
+    char tempPath[MAX_PATH];
+    char tempFile[MAX_PATH];
+    GetTempPathA(MAX_PATH, tempPath);
+    GetTempFileNameA(tempPath, rsrcname, 0, tempFile);
+    MoveFileExA(tempFile, nullptr, MOVEFILE_DELAY_UNTIL_REBOOT); // wine blocks DeleteFileA operations on LoadLibraryA filepaths
+    FILE *fh = fopen(tempFile, "wb");
+    fwrite(rsrcdata, rsrcsz, 1, fh);
+    fclose(fh);
+
+    // Map temporary library buffer
+    HMODULE hmodule = LoadLibraryA(tempFile);
+    return hmodule;
+}
 void attach(HINSTANCE hmodule)
 {
-    //_REM: Disable dmoeffector error printing for line55, could not find unique pattern (9 matches, but patching all of them is harmless)
+    HMODULE libdmo = LoadLibraryRsrc("DMO_BLOB");
-    intptr_t next = (intptr_t) hmodule;
+    if(libdmo)
-    while (next)
     {
-        next = replace_pattern_from(hmodule, "793ae8????????895424??4c8d05????????488bc8488d15????????41b937000000e8????????ff15????????", "eb3ae8????????895424??4c8d05????????488bc8488d15????????41b937000000e8????????ff15????????", 0, 0, next - reinterpret_cast<intptr_t>(hmodule));
+        log_info("hooks::wmisc::dmoeffector", "Registering COM server for DMO({})", reinterpret_cast<void *>(libdmo));
-        if (next) log_info("hooks::wmisc::dmoeffector", "Muting error message({})", reinterpret_cast<void *>(next));
+        auto DllRegisterServer = (DllRegisterServer_t)GetProcAddress(libdmo, "DllRegisterServer");
+        if(DllRegisterServer && SUCCEEDED(DllRegisterServer())) return;
     }
+    log_warning("hooks::wmisc::dmoeffector", "Loading embedded dsdmo.dll failed, error code: {}", GetLastError());
 }
 }
 
@@ -195,6 +219,7 @@ void apply_performance_hacks(HINSTANCE hmodule, const char *model, const char *e
     switch (to_hash(model))
     {
     case to_hash("LDJ"):
+        dmoeffector::attach(hmodule);
         thumbnail::attach(hmodule);
         msacm::attach(hmodule);
         bmsound::attach(hmodule);
@@ -204,12 +229,12 @@ void apply_performance_hacks(HINSTANCE hmodule, const char *model, const char *e
         bmsound::attach(hmodule);
         break;
     case to_hash("KFC"):
+        dmoeffector::attach(hmodule);
         msacm::attach(hmodule);
         bmsound::attach(hmodule);
         if (extl > 2019020600 && extl < 2021011800) // SDVX5
         {
             cmovieplayer::attach(hmodule);
-            dmoeffector::attach(hmodule);
         }
         break;
     case to_hash("FORCE"):