Originally Posted by Anssi
Not yet, but it is being worked on. Note that you won't need ffmpeg to test the samples provded by cehoyos.
"Anssi Hannula has provided patches for FFmpeg that should allow to use HDMI pass-through on Linux."
I did not even have the spidifenc file till I updated ffmpeg.
I think you may be confused, or perhaps it's me.
I have HDMI sound working on my GTX 460. It took a little fooling around but I am running a 2.6.36 kernel.