shithub: libvpx

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vp8-denoiser: Fix threshold for skin map.

Make it consistent with the comment/intended behavior,
that is, only denoise if current block is zero_mv.

Change-Id: I3909761e802e80089752a493ab3646dc32698ded

--- a/vp8/encoder/denoising.c

+++ b/vp8/encoder/denoising.c

@@ -604,10 +604,9 @@

         NOISE_MOTION_THRESHOLD;

     // If block is considered to be skin area, lower the motion threshold.

-    // In current version set threshold = 1, so only denoise very low

-    // (i.e., zero) mv on skin.

+    // In current version set threshold = 0, so only denoise zero mv on skin.

     if (x->is_skin)

-        motion_threshold = 1;

+        motion_threshold = 0;

     if (motion_magnitude2 <

         denoiser->denoise_pars.scale_increase_filter * NOISE_MOTION_THRESHOLD)