From: Yunqing Wang <yunqingwang@google.com>
Date: Wed, 13 Jul 2011 18:51:02 +0000 (-0400)
Subject: Add improvements made in good-quality mode to real-time mode
X-Git-Tag: 1.0_branch~345^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;ds=sidebyside;h=0e9a6ed72a06dd367049d33ec656f7e3bf2211a2;p=profile%2Fivi%2Flibvpx.git

Add improvements made in good-quality mode to real-time mode

Several improvements we made in good-quality mode can be added
into real-time mode to speed up encoding in speed 1, 2, and 3
with small quality loss. Tests using tulip clip showed:

--rt --cpu-used=-1
(before change)
PSNR: 38.028
time: 1m33.195s
(after change)
PSNR: 38.014
time: 1m20.851s

--rt --cpu-used=-2
(before change)
PSNR: 37.773
time: 0m57.650s
(after change)
PSNR: 37.759
time: 0m54.594s

--rt --cpu-used=-3
(before change)
PSNR: 37.392
time: 0m42.865s
(after change)
PSNR: 37.375
time: 0m41.949s

Change-Id: I76ab2a38d72bc5efc91f6fe20d332c472f6510c9
---

diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index d2b0bf3..85d6356 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -898,6 +898,10 @@ void vp8_set_speed_features(VP8_COMP *cpi)
 
             sf->improved_quant = 0;
             sf->improved_dct = 0;
+
+            sf->use_fastquant_for_pick = 1;
+            sf->no_skip_block4x4_search = 0;
+            sf->first_step = 1;
         }
 
         if (Speed > 1)