From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/aom_dsp/x86/avg_intrin_sse2.c | 426 ++++++++++++++++++++++++++ 1 file changed, 426 insertions(+) create mode 100644 third_party/aom/aom_dsp/x86/avg_intrin_sse2.c (limited to 'third_party/aom/aom_dsp/x86/avg_intrin_sse2.c') diff --git a/third_party/aom/aom_dsp/x86/avg_intrin_sse2.c b/third_party/aom/aom_dsp/x86/avg_intrin_sse2.c new file mode 100644 index 000000000..bcdc20f63 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/avg_intrin_sse2.c @@ -0,0 +1,426 @@ +/* + * Copyright (c) 2016, 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 + +#include "aom_dsp/x86/synonyms.h" + +#include "./aom_dsp_rtcd.h" +#include "aom_ports/mem.h" + +void aom_minmax_8x8_sse2(const uint8_t *s, int p, const uint8_t *d, int dp, + int *min, int *max) { + __m128i u0, s0, d0, diff, maxabsdiff, minabsdiff, negdiff, absdiff0, absdiff; + u0 = _mm_setzero_si128(); + // Row 0 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff0 = _mm_max_epi16(diff, negdiff); + // Row 1 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + dp)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff = _mm_max_epi16(diff, negdiff); + maxabsdiff = _mm_max_epi16(absdiff0, absdiff); + minabsdiff = _mm_min_epi16(absdiff0, absdiff); + // Row 2 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 2 * dp)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff = _mm_max_epi16(diff, negdiff); + maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); + minabsdiff = _mm_min_epi16(minabsdiff, absdiff); + // Row 3 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 3 * dp)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff = _mm_max_epi16(diff, negdiff); + maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); + minabsdiff = _mm_min_epi16(minabsdiff, absdiff); + // Row 4 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 4 * dp)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff = _mm_max_epi16(diff, negdiff); + maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); + minabsdiff = _mm_min_epi16(minabsdiff, absdiff); + // Row 5 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 5 * dp)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff = _mm_max_epi16(diff, negdiff); + maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); + minabsdiff = _mm_min_epi16(minabsdiff, absdiff); + // Row 6 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 6 * dp)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff = _mm_max_epi16(diff, negdiff); + maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); + minabsdiff = _mm_min_epi16(minabsdiff, absdiff); + // Row 7 + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0); + d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 7 * dp)), u0); + diff = _mm_subs_epi16(s0, d0); + negdiff = _mm_subs_epi16(u0, diff); + absdiff = _mm_max_epi16(diff, negdiff); + maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); + minabsdiff = _mm_min_epi16(minabsdiff, absdiff); + + maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_si128(maxabsdiff, 8)); + maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 32)); + maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 16)); + *max = _mm_extract_epi16(maxabsdiff, 0); + + minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_si128(minabsdiff, 8)); + minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 32)); + minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 16)); + *min = _mm_extract_epi16(minabsdiff, 0); +} + +unsigned int aom_avg_8x8_sse2(const uint8_t *s, int p) { + __m128i s0, s1, u0; + unsigned int avg = 0; + u0 = _mm_setzero_si128(); + s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0); + s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0); + s0 = _mm_adds_epu16(s0, s1); + + s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 8)); + s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 32)); + s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16)); + avg = _mm_extract_epi16(s0, 0); + return (avg + 32) >> 6; +} + +unsigned int aom_avg_4x4_sse2(const uint8_t *s, int p) { + __m128i s0, s1, u0; + unsigned int avg = 0; + + u0 = _mm_setzero_si128(); + s0 = _mm_unpacklo_epi8(xx_loadl_32(s), u0); + s1 = _mm_unpacklo_epi8(xx_loadl_32(s + p), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(xx_loadl_32(s + 2 * p), u0); + s0 = _mm_adds_epu16(s0, s1); + s1 = _mm_unpacklo_epi8(xx_loadl_32(s + 3 * p), u0); + s0 = _mm_adds_epu16(s0, s1); + + s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 4)); + s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16)); + avg = _mm_extract_epi16(s0, 0); + return (avg + 8) >> 4; +} + +static void hadamard_col8_sse2(__m128i *in, int iter) { + __m128i a0 = in[0]; + __m128i a1 = in[1]; + __m128i a2 = in[2]; + __m128i a3 = in[3]; + __m128i a4 = in[4]; + __m128i a5 = in[5]; + __m128i a6 = in[6]; + __m128i a7 = in[7]; + + __m128i b0 = _mm_add_epi16(a0, a1); + __m128i b1 = _mm_sub_epi16(a0, a1); + __m128i b2 = _mm_add_epi16(a2, a3); + __m128i b3 = _mm_sub_epi16(a2, a3); + __m128i b4 = _mm_add_epi16(a4, a5); + __m128i b5 = _mm_sub_epi16(a4, a5); + __m128i b6 = _mm_add_epi16(a6, a7); + __m128i b7 = _mm_sub_epi16(a6, a7); + + a0 = _mm_add_epi16(b0, b2); + a1 = _mm_add_epi16(b1, b3); + a2 = _mm_sub_epi16(b0, b2); + a3 = _mm_sub_epi16(b1, b3); + a4 = _mm_add_epi16(b4, b6); + a5 = _mm_add_epi16(b5, b7); + a6 = _mm_sub_epi16(b4, b6); + a7 = _mm_sub_epi16(b5, b7); + + if (iter == 0) { + b0 = _mm_add_epi16(a0, a4); + b7 = _mm_add_epi16(a1, a5); + b3 = _mm_add_epi16(a2, a6); + b4 = _mm_add_epi16(a3, a7); + b2 = _mm_sub_epi16(a0, a4); + b6 = _mm_sub_epi16(a1, a5); + b1 = _mm_sub_epi16(a2, a6); + b5 = _mm_sub_epi16(a3, a7); + + a0 = _mm_unpacklo_epi16(b0, b1); + a1 = _mm_unpacklo_epi16(b2, b3); + a2 = _mm_unpackhi_epi16(b0, b1); + a3 = _mm_unpackhi_epi16(b2, b3); + a4 = _mm_unpacklo_epi16(b4, b5); + a5 = _mm_unpacklo_epi16(b6, b7); + a6 = _mm_unpackhi_epi16(b4, b5); + a7 = _mm_unpackhi_epi16(b6, b7); + + b0 = _mm_unpacklo_epi32(a0, a1); + b1 = _mm_unpacklo_epi32(a4, a5); + b2 = _mm_unpackhi_epi32(a0, a1); + b3 = _mm_unpackhi_epi32(a4, a5); + b4 = _mm_unpacklo_epi32(a2, a3); + b5 = _mm_unpacklo_epi32(a6, a7); + b6 = _mm_unpackhi_epi32(a2, a3); + b7 = _mm_unpackhi_epi32(a6, a7); + + in[0] = _mm_unpacklo_epi64(b0, b1); + in[1] = _mm_unpackhi_epi64(b0, b1); + in[2] = _mm_unpacklo_epi64(b2, b3); + in[3] = _mm_unpackhi_epi64(b2, b3); + in[4] = _mm_unpacklo_epi64(b4, b5); + in[5] = _mm_unpackhi_epi64(b4, b5); + in[6] = _mm_unpacklo_epi64(b6, b7); + in[7] = _mm_unpackhi_epi64(b6, b7); + } else { + in[0] = _mm_add_epi16(a0, a4); + in[7] = _mm_add_epi16(a1, a5); + in[3] = _mm_add_epi16(a2, a6); + in[4] = _mm_add_epi16(a3, a7); + in[2] = _mm_sub_epi16(a0, a4); + in[6] = _mm_sub_epi16(a1, a5); + in[1] = _mm_sub_epi16(a2, a6); + in[5] = _mm_sub_epi16(a3, a7); + } +} + +void aom_hadamard_8x8_sse2(int16_t const *src_diff, int src_stride, + int16_t *coeff) { + __m128i src[8]; + src[0] = _mm_load_si128((const __m128i *)src_diff); + src[1] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); + src[2] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); + src[3] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); + src[4] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); + src[5] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); + src[6] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); + src[7] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); + + hadamard_col8_sse2(src, 0); + hadamard_col8_sse2(src, 1); + + _mm_store_si128((__m128i *)coeff, src[0]); + coeff += 8; + _mm_store_si128((__m128i *)coeff, src[1]); + coeff += 8; + _mm_store_si128((__m128i *)coeff, src[2]); + coeff += 8; + _mm_store_si128((__m128i *)coeff, src[3]); + coeff += 8; + _mm_store_si128((__m128i *)coeff, src[4]); + coeff += 8; + _mm_store_si128((__m128i *)coeff, src[5]); + coeff += 8; + _mm_store_si128((__m128i *)coeff, src[6]); + coeff += 8; + _mm_store_si128((__m128i *)coeff, src[7]); +} + +void aom_hadamard_16x16_sse2(int16_t const *src_diff, int src_stride, + int16_t *coeff) { + int idx; + for (idx = 0; idx < 4; ++idx) { + int16_t const *src_ptr = + src_diff + (idx >> 1) * 8 * src_stride + (idx & 0x01) * 8; + aom_hadamard_8x8_sse2(src_ptr, src_stride, coeff + idx * 64); + } + + for (idx = 0; idx < 64; idx += 8) { + __m128i coeff0 = _mm_load_si128((const __m128i *)coeff); + __m128i coeff1 = _mm_load_si128((const __m128i *)(coeff + 64)); + __m128i coeff2 = _mm_load_si128((const __m128i *)(coeff + 128)); + __m128i coeff3 = _mm_load_si128((const __m128i *)(coeff + 192)); + + __m128i b0 = _mm_add_epi16(coeff0, coeff1); + __m128i b1 = _mm_sub_epi16(coeff0, coeff1); + __m128i b2 = _mm_add_epi16(coeff2, coeff3); + __m128i b3 = _mm_sub_epi16(coeff2, coeff3); + + b0 = _mm_srai_epi16(b0, 1); + b1 = _mm_srai_epi16(b1, 1); + b2 = _mm_srai_epi16(b2, 1); + b3 = _mm_srai_epi16(b3, 1); + + coeff0 = _mm_add_epi16(b0, b2); + coeff1 = _mm_add_epi16(b1, b3); + _mm_store_si128((__m128i *)coeff, coeff0); + _mm_store_si128((__m128i *)(coeff + 64), coeff1); + + coeff2 = _mm_sub_epi16(b0, b2); + coeff3 = _mm_sub_epi16(b1, b3); + _mm_store_si128((__m128i *)(coeff + 128), coeff2); + _mm_store_si128((__m128i *)(coeff + 192), coeff3); + + coeff += 8; + } +} + +int aom_satd_sse2(const int16_t *coeff, int length) { + int i; + const __m128i zero = _mm_setzero_si128(); + __m128i accum = zero; + + for (i = 0; i < length; i += 8) { + const __m128i src_line = _mm_load_si128((const __m128i *)coeff); + const __m128i inv = _mm_sub_epi16(zero, src_line); + const __m128i abs = _mm_max_epi16(src_line, inv); // abs(src_line) + const __m128i abs_lo = _mm_unpacklo_epi16(abs, zero); + const __m128i abs_hi = _mm_unpackhi_epi16(abs, zero); + const __m128i sum = _mm_add_epi32(abs_lo, abs_hi); + accum = _mm_add_epi32(accum, sum); + coeff += 8; + } + + { // cascading summation of accum + __m128i hi = _mm_srli_si128(accum, 8); + accum = _mm_add_epi32(accum, hi); + hi = _mm_srli_epi64(accum, 32); + accum = _mm_add_epi32(accum, hi); + } + + return _mm_cvtsi128_si32(accum); +} + +void aom_int_pro_row_sse2(int16_t *hbuf, uint8_t const *ref, int ref_stride, + int height) { + int idx; + __m128i zero = _mm_setzero_si128(); + __m128i src_line = _mm_loadu_si128((const __m128i *)ref); + __m128i s0 = _mm_unpacklo_epi8(src_line, zero); + __m128i s1 = _mm_unpackhi_epi8(src_line, zero); + __m128i t0, t1; + int height_1 = height - 1; + ref += ref_stride; + + for (idx = 1; idx < height_1; idx += 2) { + src_line = _mm_loadu_si128((const __m128i *)ref); + t0 = _mm_unpacklo_epi8(src_line, zero); + t1 = _mm_unpackhi_epi8(src_line, zero); + s0 = _mm_adds_epu16(s0, t0); + s1 = _mm_adds_epu16(s1, t1); + ref += ref_stride; + + src_line = _mm_loadu_si128((const __m128i *)ref); + t0 = _mm_unpacklo_epi8(src_line, zero); + t1 = _mm_unpackhi_epi8(src_line, zero); + s0 = _mm_adds_epu16(s0, t0); + s1 = _mm_adds_epu16(s1, t1); + ref += ref_stride; + } + + src_line = _mm_loadu_si128((const __m128i *)ref); + t0 = _mm_unpacklo_epi8(src_line, zero); + t1 = _mm_unpackhi_epi8(src_line, zero); + s0 = _mm_adds_epu16(s0, t0); + s1 = _mm_adds_epu16(s1, t1); + + if (height == 64) { + s0 = _mm_srai_epi16(s0, 5); + s1 = _mm_srai_epi16(s1, 5); + } else if (height == 32) { + s0 = _mm_srai_epi16(s0, 4); + s1 = _mm_srai_epi16(s1, 4); + } else { + s0 = _mm_srai_epi16(s0, 3); + s1 = _mm_srai_epi16(s1, 3); + } + + _mm_storeu_si128((__m128i *)hbuf, s0); + hbuf += 8; + _mm_storeu_si128((__m128i *)hbuf, s1); +} + +int16_t aom_int_pro_col_sse2(uint8_t const *ref, int width) { + __m128i zero = _mm_setzero_si128(); + __m128i src_line = _mm_load_si128((const __m128i *)ref); + __m128i s0 = _mm_sad_epu8(src_line, zero); + __m128i s1; + int i; + + for (i = 16; i < width; i += 16) { + ref += 16; + src_line = _mm_load_si128((const __m128i *)ref); + s1 = _mm_sad_epu8(src_line, zero); + s0 = _mm_adds_epu16(s0, s1); + } + + s1 = _mm_srli_si128(s0, 8); + s0 = _mm_adds_epu16(s0, s1); + + return _mm_extract_epi16(s0, 0); +} + +int aom_vector_var_sse2(int16_t const *ref, int16_t const *src, int bwl) { + int idx; + int width = 4 << bwl; + int16_t mean; + __m128i v0 = _mm_loadu_si128((const __m128i *)ref); + __m128i v1 = _mm_load_si128((const __m128i *)src); + __m128i diff = _mm_subs_epi16(v0, v1); + __m128i sum = diff; + __m128i sse = _mm_madd_epi16(diff, diff); + + ref += 8; + src += 8; + + for (idx = 8; idx < width; idx += 8) { + v0 = _mm_loadu_si128((const __m128i *)ref); + v1 = _mm_load_si128((const __m128i *)src); + diff = _mm_subs_epi16(v0, v1); + + sum = _mm_add_epi16(sum, diff); + v0 = _mm_madd_epi16(diff, diff); + sse = _mm_add_epi32(sse, v0); + + ref += 8; + src += 8; + } + + v0 = _mm_srli_si128(sum, 8); + sum = _mm_add_epi16(sum, v0); + v0 = _mm_srli_epi64(sum, 32); + sum = _mm_add_epi16(sum, v0); + v0 = _mm_srli_epi32(sum, 16); + sum = _mm_add_epi16(sum, v0); + + v1 = _mm_srli_si128(sse, 8); + sse = _mm_add_epi32(sse, v1); + v1 = _mm_srli_epi64(sse, 32); + sse = _mm_add_epi32(sse, v1); + + mean = _mm_extract_epi16(sum, 0); + + return _mm_cvtsi128_si32(sse) - ((mean * mean) >> (bwl + 2)); +} -- cgit v1.2.3