shithub: libvpx

Info  •  Files  •  Log  •  Branches

Add temporal model control as a speed feature

The model construction would incur 15% slowdown for speed 2. The
speed change on speed 0 is unnoticeable.

The current speed features set up would DISABLE temporal dependency
model for all speed settings.

Change-Id: Ic45dd962f3a54a8f5f0452502dc05e352dc09ca1

--- a/vp9/encoder/vp9_speed_features.c

+++ b/vp9/encoder/vp9_speed_features.c

@@ -183,6 +183,7 @@

   }

   if (speed >= 1) {

+    sf->enable_tpl_model = 0;

     if (oxcf->pass == 2) {

       TWO_PASS *const twopass = &cpi->twopass;

       if ((twopass->fr_content_type == FC_GRAPHICS_ANIMATION) ||

@@ -377,6 +378,7 @@

   sf->re_encode_overshoot_rt = 0;

   sf->disable_16x16part_nonkey = 0;

   sf->disable_golden_ref = 0;

+  sf->enable_tpl_model = 0;

   if (speed >= 1) {

     sf->allow_txfm_domain_distortion = 1;

@@ -810,6 +812,7 @@

   sf->allow_quant_coeff_opt = sf->optimize_coefficients;

   sf->quant_opt_thresh = 99.0;

   sf->allow_acl = 1;

+  sf->enable_tpl_model = 0;

   for (i = 0; i < TX_SIZES; i++) {

     sf->intra_y_mode_mask[i] = INTRA_ALL;

--- a/vp9/encoder/vp9_speed_features.h

+++ b/vp9/encoder/vp9_speed_features.h

@@ -274,6 +274,9 @@

   // alternate reference frames.

   int allow_acl;

+  // Temporal dependency model based encoding mode optimization

+  int enable_tpl_model;

+

   // Use transform domain distortion. Use pixel domain distortion in speed 0

   // and certain situations in higher speed to improve the RD model precision.

   int allow_txfm_domain_distortion;