spu: drop unused mono code
authornotaz <notasas@gmail.com>
Mon, 28 Feb 2011 22:48:20 +0000 (00:48 +0200)
committernotaz <notasas@gmail.com>
Tue, 1 Mar 2011 15:35:19 +0000 (17:35 +0200)
also merge the mix buffers - the idea was to make use of neon there but
I've decided againt it, it wouldn't improve things much according to
profiling.


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