public async Task <string> Get(StreamKind streamKind, int streamNumber, string parameter)
{
if (_handle == (IntPtr)0)
{
return("Unable to load MediaInfo library");
}
if (_mustUseAnsi)
{
IntPtr parameterPtr = Marshal.StringToHGlobalAnsi(parameter);
string toReturn = Marshal.PtrToStringAnsi(
await MediaInfoInterop.GetAnsiAsync(
_handle,
(IntPtr)streamKind,
(IntPtr)streamNumber,
parameterPtr,
(IntPtr)InfoKind.Text,
(IntPtr)InfoKind.Name));
Marshal.FreeHGlobal(parameterPtr);
return(toReturn);
}
return(Marshal.PtrToStringUni(
await MediaInfoInterop.GetAsync(
_handle,
(IntPtr)streamKind,
(IntPtr)streamNumber,
parameter,
(IntPtr)InfoKind.Text,
(IntPtr)InfoKind.Name)));
}
public async Task Close()
{
if (_handle == (IntPtr)0)
{
return;
}
await MediaInfoInterop.CloseAsync(_handle);
await MediaInfoInterop.DeleteAsync(_handle);
}
public static async Task <IMediaInfo> Create()
{
var mediaInfo = new MediaInfo();
try
{
mediaInfo._handle = await MediaInfoInterop.NewAsync();
}
catch
{
mediaInfo._handle = (IntPtr)0;
}
mediaInfo._mustUseAnsi = Environment.OSVersion.ToString().IndexOf("Windows", StringComparison.Ordinal) == -1;
return(mediaInfo);
}
public async Task <int> Open(string fileName)
{
if (_handle == (IntPtr)0)
{
return(0);
}
if (_mustUseAnsi)
{
IntPtr fileNamePtr = Marshal.StringToHGlobalAnsi(fileName);
var toReturn = (int)(await MediaInfoInterop.OpenAnsiAsync(_handle, fileNamePtr));
Marshal.FreeHGlobal(fileNamePtr);
return(toReturn);
}
return((int)(await MediaInfoInterop.OpenAsync(_handle, fileName)));
}
