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authorArun Raghavan <arun.raghavan@collabora.co.uk>2010-10-25 17:59:08 +0100
committerArun Raghavan <arun.raghavan@collabora.co.uk>2011-03-05 14:38:28 +0530
commit4cd90d9e32ca9a23e3c0f7615974ea0c55ff3e49 (patch)
tree07d205c5607ab454d55e7ec7b02a1262bccf4946 /po/POTFILES.skip
parent516dd169b493e37c8445cb68831529020272d0d5 (diff)
volume: Add Orc-based optimised volume scaling
This adds volume scaling for 1- and 2-channel software volume scaling using Orc. While testing the MMX and SSE backends on a Core2, I see an ~2x performance benefit over the hand-rolled MMX and SSE code. Since I haven't been able to test on other architectures, the Orc code is only used when MMX/SSE* is present. This can be changed in the future after testing on AMD and ARM machines.
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