static int SeekMediaCallback(IntPtr opaque, ulong offset)
{
var input = MarshalUtils.GetInstance <MediaInput>(opaque);
if (input == null)
{
return(-1);
}
return(input.Seek(offset) ? 0 : -1);
}
static int ReadMediaCallback(IntPtr opaque, IntPtr buf, uint len)
{
var input = MarshalUtils.GetInstance <MediaInput>(opaque);
if (input == null)
{
return(-1);
}
return(input.Read(buf, len));
}
static int OpenMediaCallback(IntPtr opaque, ref IntPtr data, out ulong size)
{
data = opaque;
var input = MarshalUtils.GetInstance <MediaInput>(opaque);
if (input == null)
{
size = 0UL;
return(-1);
}
return(input.Open(out size) ? 0 : -1);
}
static void CloseMediaCallback(IntPtr opaque)
{
var input = MarshalUtils.GetInstance <MediaInput>(opaque);
input?.Close();
}
private static void EventCallback(IntPtr evt, IntPtr userData)
{
var eventManager = MarshalUtils.GetInstance <EventTypeManager>(userData);
eventManager?.EventHandler(evt);
}