告诉你如何写一个多媒体播放器的源代码。是基于对play函数的编程。-Tell you how to write a multimedia player

根据《洛杉矶大逃亡》中的特效，用matlab实现的转场特效。具体是：在一个视频播放时，出现一个小视频，再消失。-According to the special effects in " The Great Escape in Los Angeles, using matlab transition effects. Specifically: a video player, a video, and then disappear.