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| author | Julia Robson <juliamrobson@gmail.com> | 2016-02-26 14:42:25 -0800 |
|---|---|---|
| committer | Alex Converse <aconverse@google.com> | 2016-02-26 14:47:18 -0800 |
| commit | 74a679de6f66b6a30d7399ae427ce2b85a967824 (patch) | |
| tree | 555959d6c6753bee001fb9a58cc4505a58f67497 /vp9/encoder/vp9_tokenize.h | |
| parent | 1ff2935ebf6c537340861bd590329ba5a49b96e3 (diff) | |
| download | libvpx-74a679de6f66b6a30d7399ae427ce2b85a967824.tar libvpx-74a679de6f66b6a30d7399ae427ce2b85a967824.tar.gz libvpx-74a679de6f66b6a30d7399ae427ce2b85a967824.tar.bz2 libvpx-74a679de6f66b6a30d7399ae427ce2b85a967824.zip | |
Port "cost_coeff speed improvements" to vp9.
About a 5% faster overall encode (perf cycles) at speed zero!
Change-Id: Iaf013ba75884415cd824e98349f654ffb1c3ef33
Diffstat (limited to 'vp9/encoder/vp9_tokenize.h')
| -rw-r--r-- | vp9/encoder/vp9_tokenize.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/vp9/encoder/vp9_tokenize.h b/vp9/encoder/vp9_tokenize.h index df979b25d..fad798886 100644 --- a/vp9/encoder/vp9_tokenize.h +++ b/vp9/encoder/vp9_tokenize.h @@ -74,6 +74,7 @@ extern const int16_t *vp9_dct_value_cost_ptr; */ extern const TOKENVALUE *vp9_dct_value_tokens_ptr; extern const TOKENVALUE *vp9_dct_cat_lt_10_value_tokens; +extern const int *vp9_dct_cat_lt_10_value_cost; extern const int16_t vp9_cat6_low_cost[256]; extern const int vp9_cat6_high_cost[64]; extern const int vp9_cat6_high10_high_cost[256]; @@ -117,6 +118,18 @@ static INLINE int16_t vp9_get_token(int v) { return vp9_dct_cat_lt_10_value_tokens[v].token; } +static INLINE int vp9_get_token_cost(int v, int16_t *token, + const int *cat6_high_table) { + if (v >= CAT6_MIN_VAL || v <= -CAT6_MIN_VAL) { + EXTRABIT extrabits; + *token = CATEGORY6_TOKEN; + extrabits = abs(v) - CAT6_MIN_VAL; + return vp9_cat6_low_cost[extrabits & 0xff] + + cat6_high_table[extrabits >> 8]; + } + *token = vp9_dct_cat_lt_10_value_tokens[v].token; + return vp9_dct_cat_lt_10_value_cost[v]; +} #ifdef __cplusplus } // extern "C" |