public IntPtr Open(string fileName)
{
if (_handle == IntPtr.Zero)
{
return(IntPtr.Zero);
}
if (_mustUseAnsi)
{
IntPtr result;
using (var fileNameMemory = GlobalMemory.StringToGlobalAnsi(fileName))
{
result = NativeMethods.MediaInfoA_Open(_handle, fileNameMemory.Handle);
}
return(result);
}
return(NativeMethods.MediaInfo_Open(_handle, fileName));
}
public string Option(string option, string value)
{
if (_handle == IntPtr.Zero)
{
return("Unable to load MediaInfo library");
}
if (_mustUseAnsi)
{
string result;
using (var optionPtr = GlobalMemory.StringToGlobalAnsi(option))
using (var valuePtr = GlobalMemory.StringToGlobalAnsi(value))
{
result = Marshal.PtrToStringAnsi(NativeMethods.MediaInfoA_Option(_handle, optionPtr.Handle, valuePtr.Handle));
}
return(result);
}
return(Marshal.PtrToStringUni(NativeMethods.MediaInfo_Option(_handle, option, value)));
}
public string Get(StreamKind streamKind, int streamNumber, string parameter, InfoKind kindOfInfo, InfoKind kindOfSearch)
{
if (_handle == IntPtr.Zero)
{
return("Unable to load MediaInfo library");
}
if (_mustUseAnsi)
{
string result;
using (var parameterPtr = GlobalMemory.StringToGlobalAnsi(parameter))
{
result =
Marshal.PtrToStringAnsi(
NativeMethods.MediaInfoA_Get(
_handle,
(IntPtr)streamKind,
(IntPtr)streamNumber,
parameterPtr.Handle,
(IntPtr)kindOfInfo,
(IntPtr)kindOfSearch));
}
return(result);
}
return
(Marshal.PtrToStringUni(
NativeMethods.MediaInfo_Get(
_handle,
(IntPtr)streamKind,
(IntPtr)streamNumber,
parameter,
(IntPtr)kindOfInfo,
(IntPtr)kindOfSearch)));
}