public MediaTrackInfosStructure[] GetMediaTracksInformations(VlcMediaInstance mediaInstance)
{
if (mediaInstance == IntPtr.Zero)
{
throw new ArgumentException("Media instance is not initialized.");
}
var fullBuffer = IntPtr.Zero;
var cpt = GetInteropDelegate <GetMediaTracksInformations>().Invoke(mediaInstance, out fullBuffer);
if (cpt <= 0)
{
return(new MediaTrackInfosStructure[0]);
}
var result = new MediaTrackInfosStructure[cpt];
var buffer = fullBuffer;
for (int index = 0; index < cpt; index++)
{
result[index] = (MediaTrackInfosStructure)Marshal.PtrToStructure(buffer, typeof(MediaTrackInfosStructure));
#if X86
buffer = new IntPtr(buffer.ToInt32() + Marshal.SizeOf(typeof(MediaTrackInfosStructure)));
#else
buffer = new IntPtr(buffer.ToInt64() + Marshal.SizeOf(typeof(MediaTrackInfosStructure)));
#endif
}
Free(fullBuffer);
return(result);
}
public MediaTrackInfosStructure[] GetMediaTracksInformations(VlcMediaInstance mediaInstance)
{
if (mediaInstance == IntPtr.Zero)
{
throw new ArgumentException("Media instance is not initialized.");
}
IntPtr fullBuffer;
var cpt = myLibraryLoader.GetInteropDelegate <GetMediaTracksInformations>().Invoke(mediaInstance, out fullBuffer);
if (cpt <= 0)
{
return(new MediaTrackInfosStructure[0]);
}
var result = new MediaTrackInfosStructure[cpt];
var buffer = fullBuffer;
for (int index = 0; index < cpt; index++)
{
result[index] = MarshalHelper.PtrToStructure <MediaTrackInfosStructure>(buffer);
buffer = IntPtr.Size == 4
? new IntPtr(buffer.ToInt32() + MarshalHelper.SizeOf <MediaTrackInfosStructure>())
: new IntPtr(buffer.ToInt64() + MarshalHelper.SizeOf <MediaTrackInfosStructure>());
}
Free(fullBuffer);
return(result);
}
