Playbin is really easy to use and it could solve most of my problem.<br><br>But how to control the play speed of playbin? My program is expected to play a file in 1/2 1/4 or x2 x4 speed.<br><br>I tried to search and read the documents for a while but didn't get any clue.<br>
<br><br clear="all"><br>-- <br>look to the things around you,the immediate world around you, if you are alive,it will mean something to you ——Paul Strand<br>