An XvMC test app:
mpeg2play_accel.tar.gz
A port of mpeg2play which uses XvMC for video acceleration.
Here is the latest XvMC API specification:
XvMC_API.txt
Some Xv test apps:
xvtest.tar.gz
Tests 4:2:2 XvImage formats
suzi.tar.gz
Tests 4:2:0 XvImage formats
mpeg2play.tar.gz
Xv port of mpeg2play which plays MPEG1 and 2 video program streams
xvcontrols.tar.gz
A control panel to change some Xv Port attributes
Some DGA 2.0 test apps:
texture.tar.gz
Requires root permissions and draws directly to the framebuffer
skull.tar.gz
Does not require root permissions and uses only Xlib to render.
Also includes a nice windowed version of the app.
Some X11 test apps to fill some xtest gaps:
linetest.c
Tests if your software and hardware zerowidth lines match
polytest.c
Tests if your polygons match the specification
Discover the resouce usage of your apps with this
test app for
XFree86's new X-Resource extension (only in XFree86 versions
AFTER 4.2.0).