radeon xvideo加速是否仍然适用于11.10？

我有一个带有ATI Radeon Mobility 7500图形芯片（RV200芯片组）的Thinkpad T42，它由开放的radeon驱动程序支持。

在11.04下，vlc很乐意使用xvideo扩展（硬件加速覆盖）以极佳的帧速率播放高清video：

vlc --vout xvideo MYVIDEO.mp4 VLC media player 1.1.9 The Luggage (revision exported) Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS") Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE") [0x903e914] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface. Blocked: call to setlocale(6, "") Warning: call to srand(1323805494) Warning: call to rand() Blocked: call to setlocale(6, "") (process:4926): Gtk-WARNING **: Locale not supported by C library. Using the fallback 'C' locale. brainfart cropping not supported, this could look slightly wrong . 

..

根据11.10，vlc将不使用xvideo扩展名。 启用叠加（硬件加速）后，video会变得不连贯。 禁用它后，性能会更好，但不会流畅。

 vlc --vout xvideo MYVIDEO.mp4 VLC media player 1.1.12 The Luggage (revision exported) Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS") Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE") [0x8a4292c] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface. Blocked: call to setlocale(6, "") Blocked: call to setlocale(6, "") (process:1817): Gtk-WARNING **: Locale not supported by C library. Using the fallback 'C' locale. (vlc:1817): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", libva: VA-API version 0.32.0 libva: va_getDriverName() returns 0 libva: Trying to open /usr/lib/dri/radeon_drv_video.so libva: va_openDriver() returns -1 [0x9905e84] main video output error: video output creation failed [0x8cb8a64] main decoder error: failed to create video output