On Sun, 02 Dec 2007 22:43:47 +0800 "Õž§" <zhangjing at vmediax.com> wrote: > Is msh261.drv not supported by mplayer yet? No. Very few DLLs work for encoding, and I don't believe anyone has put any effort into making them work. See section 14.6 in the HTML Docs. Perhaps you could use the (native) ffh261 codec instead.