mp.TimeFormat:=tfMilliseconds;
mp.FileName:='c:\001.wma';
mp.Open;
showmessage(inttostr(mp.Length));
mp.TimeFormat:=tfMSF;
showmessage(inttostr(mp.Length));
mp.TimeFormat:=tfFrames;
showmessage(inttostr(mp.Length));
我用上述代码查001.wma的长度,同样一个文件,为什么得到同样的值呢?
阅读(338) | 评论(0) | 转发(0) |