diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/quantize_x86.h')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/quantize_x86.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/third_party/aom/aom_dsp/x86/quantize_x86.h b/third_party/aom/aom_dsp/x86/quantize_x86.h deleted file mode 100644 index 4eed7dd29..000000000 --- a/third_party/aom/aom_dsp/x86/quantize_x86.h +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright (c) 2018, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include <emmintrin.h> - -#include "aom/aom_integer.h" - -static INLINE void load_b_values(const int16_t *zbin_ptr, __m128i *zbin, - const int16_t *round_ptr, __m128i *round, - const int16_t *quant_ptr, __m128i *quant, - const int16_t *dequant_ptr, __m128i *dequant, - const int16_t *shift_ptr, __m128i *shift) { - *zbin = _mm_load_si128((const __m128i *)zbin_ptr); - *round = _mm_load_si128((const __m128i *)round_ptr); - *quant = _mm_load_si128((const __m128i *)quant_ptr); - *zbin = _mm_sub_epi16(*zbin, _mm_set1_epi16(1)); - *dequant = _mm_load_si128((const __m128i *)dequant_ptr); - *shift = _mm_load_si128((const __m128i *)shift_ptr); -} - -// With ssse3 and later abs() and sign() are preferred. -static INLINE __m128i invert_sign_sse2(__m128i a, __m128i sign) { - a = _mm_xor_si128(a, sign); - return _mm_sub_epi16(a, sign); -} - -static INLINE void calculate_qcoeff(__m128i *coeff, const __m128i round, - const __m128i quant, const __m128i shift) { - __m128i tmp, qcoeff; - qcoeff = _mm_adds_epi16(*coeff, round); - tmp = _mm_mulhi_epi16(qcoeff, quant); - qcoeff = _mm_add_epi16(tmp, qcoeff); - *coeff = _mm_mulhi_epi16(qcoeff, shift); -} - -static INLINE __m128i calculate_dqcoeff(__m128i qcoeff, __m128i dequant) { - return _mm_mullo_epi16(qcoeff, dequant); -} - -// Scan 16 values for eob reference in scan_ptr. Use masks (-1) from comparing -// to zbin to add 1 to the index in 'scan'. -static INLINE __m128i scan_for_eob(__m128i *coeff0, __m128i *coeff1, - const __m128i zbin_mask0, - const __m128i zbin_mask1, - const int16_t *scan_ptr, const int index, - const __m128i zero) { - const __m128i zero_coeff0 = _mm_cmpeq_epi16(*coeff0, zero); - const __m128i zero_coeff1 = _mm_cmpeq_epi16(*coeff1, zero); - __m128i scan0 = _mm_load_si128((const __m128i *)(scan_ptr + index)); - __m128i scan1 = _mm_load_si128((const __m128i *)(scan_ptr + index + 8)); - __m128i eob0, eob1; - // Add one to convert from indices to counts - scan0 = _mm_sub_epi16(scan0, zbin_mask0); - scan1 = _mm_sub_epi16(scan1, zbin_mask1); - eob0 = _mm_andnot_si128(zero_coeff0, scan0); - eob1 = _mm_andnot_si128(zero_coeff1, scan1); - return _mm_max_epi16(eob0, eob1); -} - -static INLINE int16_t accumulate_eob(__m128i eob) { - __m128i eob_shuffled; - eob_shuffled = _mm_shuffle_epi32(eob, 0xe); - eob = _mm_max_epi16(eob, eob_shuffled); - eob_shuffled = _mm_shufflelo_epi16(eob, 0xe); - eob = _mm_max_epi16(eob, eob_shuffled); - eob_shuffled = _mm_shufflelo_epi16(eob, 0x1); - eob = _mm_max_epi16(eob, eob_shuffled); - return _mm_extract_epi16(eob, 1); -} |