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feat: Provide DMO functionality using dsdmo blob

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> 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
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[ ]
2026-02-21 20:54:23 +09:00
parent ce0344742e
commit 3ddd34d51d
4 changed files with 58 additions and 9 deletions
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hooks/wmischook.cpp
+31 -6
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@@ -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)
intptr_t next = (intptr_t) hmodule;
while (next)
HMODULE libdmo = LoadLibraryRsrc("DMO_BLOB");
if(libdmo)
{
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));
if (next) log_info("hooks::wmisc::dmoeffector", "Muting error message({})", reinterpret_cast<void *>(next));
log_info("hooks::wmisc::dmoeffector", "Registering COM server for DMO({})", reinterpret_cast<void *>(libdmo));
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"):