先安裝這軟體一下.不能看再來一起研究

K-Lite Codec - 7/4 更新

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K-Lite Codec Pack 2.50
http://www.codecguide.com/download_kl.htm

K-Lite Mega Codec Pack 1.34
http://www.codecguide.com/download_mega.htm

Real Alternative 1.42
http://www.codecguide.com/download_real.htm