HRESULT CCodecs::LoadDllsFromFolder(const CSysString &folderPrefix)
{
NFile::NFind::CEnumerator enumerator(folderPrefix + CSysString(TEXT("*")));
NFile::NFind::CFileInfo fileInfo;
while (enumerator.Next(fileInfo))
{
if (fileInfo.IsDirectory())
continue;
RINOK(LoadDll(folderPrefix + fileInfo.Name));
}
return S_OK;
}
static void Load(const CSysString &folderPrefix)
{
NFile::NFind::CEnumerator enumerator(folderPrefix + CSysString(TEXT("*")));
NFile::NFind::CFileInfo fileInfo;
while (enumerator.Next(fileInfo))
{
if (fileInfo.IsDirectory())
continue;
CSysString filePath = folderPrefix + fileInfo.Name;
{
NDLL::CLibrary library;
if (!library.LoadEx(filePath, LOAD_LIBRARY_AS_DATAFILE))
continue;
}
NDLL::CLibrary library;
if (!library.Load(filePath))
continue;
GetMethodPropertyFunc getMethodProperty = (GetMethodPropertyFunc)
library.GetProcAddress("GetMethodProperty");
if (getMethodProperty == NULL)
continue;
UInt32 numMethods = 1;
GetNumberOfMethodsFunc getNumberOfMethodsFunc = (GetNumberOfMethodsFunc)
library.GetProcAddress("GetNumberOfMethods");
if (getNumberOfMethodsFunc != NULL)
if (getNumberOfMethodsFunc(&numMethods) != S_OK)
continue;
for(UInt32 i = 0; i < numMethods; i++)
{
CMethodInfo2 info;
info.FilePath = filePath;
NWindows::NCOM::CPropVariant propVariant;
if (getMethodProperty(i, NMethodPropID::kID, &propVariant) != S_OK)
continue;
if (propVariant.vt != VT_BSTR)
continue;
info.MethodID.IDSize = SysStringByteLen(propVariant.bstrVal);
memmove(info.MethodID.ID, propVariant.bstrVal, info.MethodID.IDSize);
propVariant.Clear();
if (getMethodProperty(i, NMethodPropID::kName, &propVariant) != S_OK)
continue;
if (propVariant.vt == VT_EMPTY)
{
}
else if (propVariant.vt == VT_BSTR)
info.Name = propVariant.bstrVal;
else
continue;
propVariant.Clear();
if (getMethodProperty (i, NMethodPropID::kEncoder, &propVariant) != S_OK)
continue;
if (propVariant.vt == VT_EMPTY)
info.EncoderIsAssigned = false;
else if (propVariant.vt == VT_BSTR)
{
info.EncoderIsAssigned = true;
info.Encoder = *(const GUID *)propVariant.bstrVal;
}
else
continue;
propVariant.Clear();
if (getMethodProperty (i, NMethodPropID::kDecoder, &propVariant) != S_OK)
continue;
if (propVariant.vt == VT_EMPTY)
info.DecoderIsAssigned = false;
else if (propVariant.vt == VT_BSTR)
{
info.DecoderIsAssigned = true;
info.Decoder = *(const GUID *)propVariant.bstrVal;
}
else
continue;
propVariant.Clear();
if (getMethodProperty (i, NMethodPropID::kInStreams, &propVariant) != S_OK)
continue;
if (propVariant.vt == VT_EMPTY)
info.NumInStreams = 1;
else if (propVariant.vt == VT_UI4)
info.NumInStreams = propVariant.ulVal;
else
continue;
propVariant.Clear();
if (getMethodProperty (i, NMethodPropID::kOutStreams, &propVariant) != S_OK)
continue;
if (propVariant.vt == VT_EMPTY)
info.NumOutStreams = 1;
else if (propVariant.vt == VT_UI4)
info.NumOutStreams = propVariant.ulVal;
else
continue;
propVariant.Clear();
g_Methods.Add(info);
}
}
}