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Hello :) The attached patch (which is not in any way finished) optimizes the resampler. (For those following the discussions on IRC; this version includes optimizations for both direct and interpolate cases). Using GCC 4.3, x86_64, Valgrind to measure instruction counts, resampling 10 frames of 320 floats at quality 3. Direct was measured with a 16=>48 resampling, and interpolate with a