shithub: libvpx

Download patch

ref: 2136de9374a48b30d7b9e8a169f6ac5999aca670
parent: fb60204d4c36a4041daaca2f1461b731fa2dfaa2
author: Marco <[email protected]>
date: Wed Apr 5 12:38:33 EDT 2017 

vp9: Temporal denoising: avoid denoising for speed <= 5.

Temporal denoiser runs in non-rd pickmode, so it is only used
for speed >= 5. Regression exists for speed 5, due to use of
reference_partition (which use non-rd pickmode for partitioning).
Avoid denoising for now at speed 5.

Change-Id: I74a74d2e1404d7cfd33dcf4ec06dd2e503256cf0


--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -535,7 +535,7 @@
         threshold_base = (7 * threshold_base) >> 3;
     }
 #if CONFIG_VP9_TEMPORAL_DENOISING
-    if (cpi->oxcf.noise_sensitivity > 0 &&
+    if (cpi->oxcf.noise_sensitivity > 0 && cpi->oxcf.speed > 5 &&
         cpi->denoiser.denoising_level >= kDenLow)
       threshold_base = vp9_scale_part_thresh(
           threshold_base, cpi->denoiser.denoising_level, content_state);
--- a/vp9/encoder/vp9_pickmode.c
+++ b/vp9/encoder/vp9_pickmode.c
@@ -354,7 +354,7 @@
   *sse_y = sse;
 
 #if CONFIG_VP9_TEMPORAL_DENOISING
-  if (cpi->oxcf.noise_sensitivity > 0)
+  if (cpi->oxcf.noise_sensitivity > 0 && cpi->oxcf.speed > 5)
     ac_thr = vp9_scale_acskip_thresh(ac_thr, cpi->denoiser.denoising_level,
                                      (abs(sum) >> (bw + bh)));
   else
@@ -1974,7 +1974,7 @@
 
 #if CONFIG_VP9_TEMPORAL_DENOISING
     if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc_pickmode &&
-        cpi->denoiser.denoising_level > kDenLowLow) {
+        cpi->denoiser.denoising_level > kDenLowLow && cpi->oxcf.speed > 5) {
       vp9_denoiser_update_frame_stats(mi, sse_y, this_mode, ctx);
       // Keep track of zero_last cost.
       if (ref_frame == LAST_FRAME && frame_mv[this_mode][ref_frame].as_int == 0)
@@ -2178,7 +2178,7 @@
 #if CONFIG_VP9_TEMPORAL_DENOISING
   if (cpi->oxcf.noise_sensitivity > 0 && cpi->resize_pending == 0 &&
       denoise_svc_pickmode && cpi->denoiser.denoising_level > kDenLowLow &&
-      cpi->denoiser.reset == 0) {
+      cpi->denoiser.reset == 0 && cpi->oxcf.speed > 5) {
     VP9_DENOISER_DECISION decision = COPY_BLOCK;
     vp9_pickmode_ctx_den_update(&ctx_den, zero_last_cost_orig, ref_frame_cost,
                                 frame_mv, reuse_inter_pred, best_tx_size,