shithub: libvpx

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vp9-noise estimation. Decrease frame period for estimating noise.

Makes the noise estimation react little faster.
Little/no change in metrics.

Change only affects 1 pass cbr.

Change-Id: I13f0daa90ecbf9d49eb1cf2e48febd9d92292940

--- a/vp9/encoder/vp9_noise_estimate.c

+++ b/vp9/encoder/vp9_noise_estimate.c

@@ -101,7 +101,7 @@

   const VP9_COMMON *const cm = &cpi->common;

   NOISE_ESTIMATE *const ne = &cpi->noise_estimate;

   // Estimate of noise level every frame_period frames.

-  int frame_period = 10;

+  int frame_period = 8;

   int thresh_consec_zeromv = 6;

   unsigned int thresh_sum_diff = 100;

   unsigned int thresh_sum_spatial = (200 * 200) << 8;