The previous logic assumed that if NVTS or ATIFS are available they
will be used. This happens to be true for NVTS, but ATIFS is only used
if neither ARBFP nor GLSL are supported. This breaks fixed function
fragment processing on ATI r300 and newer cards

Match the ImmSetConversionStatus() function.

quartz: Make wave parser and mpeg splitter zero copy by getting rid of the seperate allocator for the output pin.