[Bug 5876] big xvideo issues with ATI Radeon RV100 family (Mobility M6 LY, ...)

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https://bugs.freedesktop.org/show_bug.cgi?id=5876          
     




------- Additional Comments From drzeus-bugzilla at drzeus.cx  2006-12-04 22:24 -------
So mplayer assumes that by the time it wants to fill that buffer again, X has
finished copying it. That sounds very broken, and not really consistent with
observed behaviour.

If mplayer didn't pay attention to what X is doing with the buffer, then it
wouldn't be able to detect and whine about "your machine is too slow to play this".

Right, in libvo/vo_xv.c we can find this:

static void flip_page(void)
{
    put_xvimage( xvimage[current_buf] );

    /* remember the currently visible buffer */
    visible_buf = current_buf;

    if (num_buffers > 1)
    {
        current_buf =
            vo_directrendering ? 0 : ((current_buf + 1) % num_buffers);
        XFlush(mDisplay);
    } else
        XSync(mDisplay, False);
    return;
}
          
     
     
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