4. Возможность изменения скорости проигрывания (как быстрей, так и медленнее).

property DGV_Speed: Integer read DGVGetSpeed write DGVSetSpeed;
{* Returns speed of digital video as a ratio between the nominal frame
rate and the desired frame rate where the nominal frame rate is designated
as 1000. Half speed is 500 and double speed is 2000. The allowable speed
range is dependent on the device and possibly the file, too. }