Commit 0e9a6ed7 authored by Yunqing Wang's avatar Yunqing Wang
Browse files

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
parent 84c3cd79
......@@ -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)
......
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