Paul Andre wrote:
Does your Xserver support the Xvideo extension ?
xdpyinfo | grep -i xvideo

It does!  It is listed by xdpyinfo.

Does your media player use it ?

Well, I don't know for sure. Here's the list of video output drivers for mplayer that I have (downloaded from blastwave.org).

Available video output drivers:
        x11     X11 ( XImage/Shm )
        xover   General X11 driver for overlay capable video output drivers
        gl      X11 (OpenGL)
        gl2     X11 (OpenGL) - multiple textures version
        sdl     SDL YUV/RGB/BGR renderer (SDL v1.1.7+ only!)
        aa      AAlib
        png     PNG file
        jpeg    JPEG file
        gif89a  animated GIF output
        null    Null video output
        pgm     PGM file
        md5     MD5 sum
        mpegpes Mpeg-PES file
        yuv4mpeg        yuv4mpeg output for mjpegtools (to "stream.yuv")
        tga     Targa output


I've tryed with most of them, and with sound disabled. Some are faster then the others (among the slowest are gl and gl2) but none is capable of playing at normal speed. Mplayer reports something along the lines that my computer is too slow, that it could be the sound drivers, video drivers or something else. My computer is not too slow, it's Thinkpad R50 1.5GHz Pentium M, playing DVD's nicely while I had Linux on it (no, I'm not thinking of going back ;-)).

It definitely seems like some kind of acceleration/optimization is not enabled and that the processor and graphics card are working too hard.

Thanks!
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