From 9bd3be69a447766780e6164ad69eda8b7d0a266f Mon Sep 17 00:00:00 2001 From: Yunqing Wang Date: Tue, 8 Jul 2014 14:52:47 -0700 Subject: [PATCH] Adjust full-pixel search method in real-time mode Use FAST_HEX in speed 5 and 6, which covers more points than FAST_DIAMOND and improves motion search quality. At speed 6, RTC set borg tests showed slight quality gain (psnr gain: 0.143%, ssim gain: 0.226%). No noticeable encoding speed change. Change-Id: Ifa62875d9a52ee382ec494f271382bb77d8c67bf --- vp9/encoder/vp9_speed_features.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/vp9/encoder/vp9_speed_features.c b/vp9/encoder/vp9_speed_features.c index 00f4d7d..f6241c3 100644 --- a/vp9/encoder/vp9_speed_features.c +++ b/vp9/encoder/vp9_speed_features.c @@ -266,7 +266,6 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf, sf->max_delta_qindex = (cm->frame_type == KEY_FRAME) ? 20 : 15; sf->partition_search_type = REFERENCE_PARTITION; sf->use_nonrd_pick_mode = 1; - sf->mv.search_method = FAST_DIAMOND; sf->allow_skip_recode = 0; } @@ -288,6 +287,7 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf, sf->mv.reduce_first_step_size = 1; } if (speed >= 7) { + sf->mv.search_method = FAST_DIAMOND; sf->mv.fullpel_search_step_param = 10; sf->lpf_pick = LPF_PICK_MINIMAL_LPF; sf->encode_breakout_thresh = (MIN(cm->width, cm->height) >= 720) ? -- 2.7.4