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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6945 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Assume buffered planes are equal size in nlmeans.
Make nlmeans scalar counters read like accelerated counters (more readable and saves ~2 cycles).
Yet more const correctness.
Clarify some variable names for readability.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6896 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Use calloc for nlmeans integral instead of memsets in-loop zeroing.
Replace superfluous const with literal in SSE implementation.
Move exponential table calculation out of the main loop.
More const correctness.
Add some braces.
Overall, slightly more readable/maintainable and (very) slightly faster.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6874 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Speed improvements of 1-6% seem typical. Most benefit seems to be for older hardware and/or hardware with fewer threads.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6826 b64f7644-9d1e-0410-96f1-a4d463321fa5
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