This is needed for the Intel G45 driver. Originally committed as revision 19876 to svn://svn.ffmpeg.org/ffmpeg/trunk
down to ~60 bytes vs. a few KBs before, and gets rid of explicit VA data types. Originally committed as revision 18256 to svn://svn.ffmpeg.org/ffmpeg/trunk
Originally committed as revision 18172 to svn://svn.ffmpeg.org/ffmpeg/trunk