shithub: libvpx

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ref: d9246406631119e5e62bebed3769a0c908d2e899
parent: f7869c811666ca68aca77db3a4fac4434207a12a
author: Marco Paniconi <marpan@google.com>
date: Mon Jun 16 07:29:02 EDT 2014

vp8 denoising: add bias factor to zero_mv sse.

Change-Id: I95818754424e89f0d56c6d9c0c5709e6f84fa46a

--- a/vp8/encoder/denoising.c
+++ b/vp8/encoder/denoising.c
@@ -276,7 +276,11 @@
         MB_MODE_INFO saved_mbmi;
         MACROBLOCKD *filter_xd = &x->e_mbd;
         MB_MODE_INFO *mbmi = &filter_xd->mode_info_context->mbmi;
-        int sse_diff = zero_mv_sse - best_sse;
+        int sse_diff = 0;
+        // Bias on zero motion vector sse.
+        int zero_bias = 95;
+        zero_mv_sse = (unsigned int)((int64_t)zero_mv_sse * zero_bias / 100);
+        sse_diff = zero_mv_sse - best_sse;
 
         saved_mbmi = *mbmi;