diff options
Diffstat (limited to 'third_party/aom/av1/common/clpf_simd.h')
| -rw-r--r-- | third_party/aom/av1/common/clpf_simd.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/third_party/aom/av1/common/clpf_simd.h b/third_party/aom/av1/common/clpf_simd.h index a615b5ed3..c7ffc569a 100644 --- a/third_party/aom/av1/common/clpf_simd.h +++ b/third_party/aom/av1/common/clpf_simd.h @@ -10,10 +10,20 @@ */ #include "./av1_rtcd.h" -#include "./cdef_simd.h" #include "aom_ports/bitops.h" #include "aom_ports/mem.h" +// sign(a-b) * min(abs(a-b), max(0, threshold - (abs(a-b) >> adjdamp))) +SIMD_INLINE v128 constrain16(v128 a, v128 b, unsigned int threshold, + unsigned int adjdamp) { + v128 diff = v128_sub_16(a, b); + const v128 sign = v128_shr_n_s16(diff, 15); + diff = v128_abs_s16(diff); + const v128 s = + v128_ssub_u16(v128_dup_16(threshold), v128_shr_u16(diff, adjdamp)); + return v128_xor(v128_add_16(sign, v128_min_s16(diff, s)), sign); +} + // sign(a - b) * min(abs(a - b), max(0, strength - (abs(a - b) >> adjdamp))) SIMD_INLINE v128 constrain(v256 a, v256 b, unsigned int strength, unsigned int adjdamp) { |