Hi, 2011/8/1 hank peng <pengxihan at gmail.com>: > I try to use libva to decode MPEG-4 but failed, is it still not supported now? MPEG-4:2 decoding is only supported on Intel US15W/Atom Z6xx series or NVIDIA with VDPAU feature set C. e.g. G210. What platform do you use? Regards, Gwenole.