private H264Encoder(Activate activate)
{
Activate = activate;
FriendlyName = activate.Get(TransformAttributeKeys.MftFriendlyNameAttribute);
Clsid = activate.Get(TransformAttributeKeys.MftTransformClsidAttribute);
Flags = (TransformEnumFlag)activate.Get(TransformAttributeKeys.TransformFlagsAttribute);
var list = new List <string>();
var inputTypes = activate.Get(TransformAttributeKeys.MftInputTypesAttributes);
for (int j = 0; j < inputTypes.Length; j += 32) // two guids
{
var majorType = new Guid(Enumerable.Range(0, 16).Select(index => Marshal.ReadByte(inputTypes, j + index)).ToArray()); // Should be video in this context
var subType = new Guid(Enumerable.Range(0, 16).Select(index => Marshal.ReadByte(inputTypes, j + 16 + index)).ToArray());
list.Add(GetFourCC(subType));
}
list.Sort();
InputTypes = list;
try
{
using (var tf = activate.ActivateObject <Transform>())
{
IsBuiltin = IsBuiltinEncoder(tf);
IsDirect3D11Aware = IsDirect3D11AwareEncoder(tf);
IsHardwareBased = IsHardwareBasedEncoder(tf);
}
}
catch
{
// do nothing
}
using (var key = Registry.ClassesRoot.OpenSubKey(Path.Combine("CLSID", Clsid.ToString("B"), "InprocServer32")))
{
if (key != null)
{
DllPath = key.GetValue(null) as string;
}
}
}