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Reduce intra threshold

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Reduces intra threshold for --rd=0 from 20 to 8. Threshold of 20
increased BD-Rate too much.
This commit is contained in:
Arttu Ylä-Outinen 2017-07-25 13:16:28 +03:00
parent e9cf15465e
commit 19e051ea40
1 changed files with 3 additions and 6 deletions
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9
src/search.c
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@ -43,11 +43,8 @@
&& (x) + (block_width) <= (width) \
&& (y) + (block_height) <= (height))
// Cost treshold for doing intra search in inter frames with --rd=0.
#ifndef INTRA_TRESHOLD
# define INTRA_TRESHOLD 20
#endif
// Cost threshold for doing intra search in inter frames with --rd=0.
static const int INTRA_THRESHOLD = 8;
// Modify weight of luma SSD.
#ifndef LUMA_MULT
@ -484,7 +481,7 @@ static double search_cu(encoder_state_t * const state, int x, int y, int depth,
// decision after reconstructing the inter frame.
bool skip_intra = state->encoder_control->cfg.rdo == 0
&& cur_cu->type != CU_NOTSET
&& cost / (cu_width * cu_width) < INTRA_TRESHOLD;
&& cost / (cu_width * cu_width) < INTRA_THRESHOLD;
int32_t cu_width_intra_min = LCU_WIDTH >> ctrl->cfg.pu_depth_intra.max;
bool can_use_intra =