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| author | Arun Raghavan <arun.raghavan@collabora.co.uk> | 2010-10-25 17:59:08 +0100 |
|---|---|---|
| committer | Arun Raghavan <arun.raghavan@collabora.co.uk> | 2011-03-05 14:38:28 +0530 |
| commit | 4cd90d9e32ca9a23e3c0f7615974ea0c55ff3e49 (patch) | |
| tree | 07d205c5607ab454d55e7ec7b02a1262bccf4946 /src/modules/alsa/alsa-mixer.h | |
| parent | 516dd169b493e37c8445cb68831529020272d0d5 (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.
Diffstat (limited to 'src/modules/alsa/alsa-mixer.h')
0 files changed, 0 insertions, 0 deletions