/* * 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 // SSE2 #include "./aom_dsp_rtcd.h" #include "./av1_rtcd.h" #include "aom_dsp/txfm_common.h" #include "aom_dsp/x86/fwd_txfm_sse2.h" #include "aom_dsp/x86/synonyms.h" #include "aom_dsp/x86/txfm_common_sse2.h" #include "aom_ports/mem.h" static INLINE void load_buffer_4x4(const int16_t *input, __m128i *in, int stride, int flipud, int fliplr) { const __m128i k__nonzero_bias_a = _mm_setr_epi16(0, 1, 1, 1, 1, 1, 1, 1); const __m128i k__nonzero_bias_b = _mm_setr_epi16(1, 0, 0, 0, 0, 0, 0, 0); __m128i mask; if (!flipud) { in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride)); in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride)); in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride)); in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride)); } else { in[0] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride)); in[1] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride)); in[2] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride)); in[3] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride)); } if (fliplr) { in[0] = _mm_shufflelo_epi16(in[0], 0x1b); in[1] = _mm_shufflelo_epi16(in[1], 0x1b); in[2] = _mm_shufflelo_epi16(in[2], 0x1b); in[3] = _mm_shufflelo_epi16(in[3], 0x1b); } in[0] = _mm_slli_epi16(in[0], 4); in[1] = _mm_slli_epi16(in[1], 4); in[2] = _mm_slli_epi16(in[2], 4); in[3] = _mm_slli_epi16(in[3], 4); mask = _mm_cmpeq_epi16(in[0], k__nonzero_bias_a); in[0] = _mm_add_epi16(in[0], mask); in[0] = _mm_add_epi16(in[0], k__nonzero_bias_b); } static INLINE void write_buffer_4x4(tran_low_t *output, __m128i *res) { const __m128i kOne = _mm_set1_epi16(1); __m128i in01 = _mm_unpacklo_epi64(res[0], res[1]); __m128i in23 = _mm_unpacklo_epi64(res[2], res[3]); __m128i out01 = _mm_add_epi16(in01, kOne); __m128i out23 = _mm_add_epi16(in23, kOne); out01 = _mm_srai_epi16(out01, 2); out23 = _mm_srai_epi16(out23, 2); store_output(&out01, (output + 0 * 8)); store_output(&out23, (output + 1 * 8)); } static INLINE void transpose_4x4(__m128i *res) { // Combine and transpose // 00 01 02 03 20 21 22 23 // 10 11 12 13 30 31 32 33 const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]); const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]); // 00 10 01 11 02 12 03 13 // 20 30 21 31 22 32 23 33 res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1); res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1); // 00 10 20 30 01 11 21 31 // 02 12 22 32 03 13 23 33 // only use the first 4 16-bit integers res[1] = _mm_unpackhi_epi64(res[0], res[0]); res[3] = _mm_unpackhi_epi64(res[2], res[2]); } static void fdct4_sse2(__m128i *in) { const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u[4], v[4]; u[0] = _mm_unpacklo_epi16(in[0], in[1]); u[1] = _mm_unpacklo_epi16(in[3], in[2]); v[0] = _mm_add_epi16(u[0], u[1]); v[1] = _mm_sub_epi16(u[0], u[1]); u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); // 0 u[1] = _mm_madd_epi16(v[0], k__cospi_p16_m16); // 2 u[2] = _mm_madd_epi16(v[1], k__cospi_p08_p24); // 1 u[3] = _mm_madd_epi16(v[1], k__cospi_p24_m08); // 3 v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS); in[0] = _mm_packs_epi32(u[0], u[1]); in[1] = _mm_packs_epi32(u[2], u[3]); transpose_4x4(in); } static void fadst4_sse2(__m128i *in) { const __m128i k__sinpi_p01_p02 = pair_set_epi16(sinpi_1_9, sinpi_2_9); const __m128i k__sinpi_p04_m01 = pair_set_epi16(sinpi_4_9, -sinpi_1_9); const __m128i k__sinpi_p03_p04 = pair_set_epi16(sinpi_3_9, sinpi_4_9); const __m128i k__sinpi_m03_p02 = pair_set_epi16(-sinpi_3_9, sinpi_2_9); const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9); const __m128i kZero = _mm_set1_epi16(0); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u[8], v[8]; __m128i in7 = _mm_add_epi16(in[0], in[1]); u[0] = _mm_unpacklo_epi16(in[0], in[1]); u[1] = _mm_unpacklo_epi16(in[2], in[3]); u[2] = _mm_unpacklo_epi16(in7, kZero); u[3] = _mm_unpacklo_epi16(in[2], kZero); u[4] = _mm_unpacklo_epi16(in[3], kZero); v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p02); // s0 + s2 v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p04); // s4 + s5 v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x1 v[3] = _mm_madd_epi16(u[0], k__sinpi_p04_m01); // s1 - s3 v[4] = _mm_madd_epi16(u[1], k__sinpi_m03_p02); // -s4 + s6 v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s4 v[6] = _mm_madd_epi16(u[4], k__sinpi_p03_p03); u[0] = _mm_add_epi32(v[0], v[1]); u[1] = _mm_sub_epi32(v[2], v[6]); u[2] = _mm_add_epi32(v[3], v[4]); u[3] = _mm_sub_epi32(u[2], u[0]); u[4] = _mm_slli_epi32(v[5], 2); u[5] = _mm_sub_epi32(u[4], v[5]); u[6] = _mm_add_epi32(u[3], u[5]); v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS); in[0] = _mm_packs_epi32(u[0], u[2]); in[1] = _mm_packs_epi32(u[1], u[3]); transpose_4x4(in); } #if CONFIG_EXT_TX static void fidtx4_sse2(__m128i *in) { const __m128i k__zero_epi16 = _mm_set1_epi16((int16_t)0); const __m128i k__sqrt2_epi16 = _mm_set1_epi16((int16_t)Sqrt2); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i v0, v1, v2, v3; __m128i u0, u1, u2, u3; v0 = _mm_unpacklo_epi16(in[0], k__zero_epi16); v1 = _mm_unpacklo_epi16(in[1], k__zero_epi16); v2 = _mm_unpacklo_epi16(in[2], k__zero_epi16); v3 = _mm_unpacklo_epi16(in[3], k__zero_epi16); u0 = _mm_madd_epi16(v0, k__sqrt2_epi16); u1 = _mm_madd_epi16(v1, k__sqrt2_epi16); u2 = _mm_madd_epi16(v2, k__sqrt2_epi16); u3 = _mm_madd_epi16(v3, k__sqrt2_epi16); v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); u0 = _mm_srai_epi32(v0, DCT_CONST_BITS); u1 = _mm_srai_epi32(v1, DCT_CONST_BITS); u2 = _mm_srai_epi32(v2, DCT_CONST_BITS); u3 = _mm_srai_epi32(v3, DCT_CONST_BITS); in[0] = _mm_packs_epi32(u0, u2); in[1] = _mm_packs_epi32(u1, u3); transpose_4x4(in); } #endif // CONFIG_EXT_TX void av1_fht4x4_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in[4]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif switch (tx_type) { case DCT_DCT: aom_fdct4x4_sse2(input, output, stride); break; case ADST_DCT: load_buffer_4x4(input, in, stride, 0, 0); fadst4_sse2(in); fdct4_sse2(in); write_buffer_4x4(output, in); break; case DCT_ADST: load_buffer_4x4(input, in, stride, 0, 0); fdct4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; case ADST_ADST: load_buffer_4x4(input, in, stride, 0, 0); fadst4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_4x4(input, in, stride, 1, 0); fadst4_sse2(in); fdct4_sse2(in); write_buffer_4x4(output, in); break; case DCT_FLIPADST: load_buffer_4x4(input, in, stride, 0, 1); fdct4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; case FLIPADST_FLIPADST: load_buffer_4x4(input, in, stride, 1, 1); fadst4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; case ADST_FLIPADST: load_buffer_4x4(input, in, stride, 0, 1); fadst4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; case FLIPADST_ADST: load_buffer_4x4(input, in, stride, 1, 0); fadst4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; case IDTX: load_buffer_4x4(input, in, stride, 0, 0); fidtx4_sse2(in); fidtx4_sse2(in); write_buffer_4x4(output, in); break; case V_DCT: load_buffer_4x4(input, in, stride, 0, 0); fdct4_sse2(in); fidtx4_sse2(in); write_buffer_4x4(output, in); break; case H_DCT: load_buffer_4x4(input, in, stride, 0, 0); fidtx4_sse2(in); fdct4_sse2(in); write_buffer_4x4(output, in); break; case V_ADST: load_buffer_4x4(input, in, stride, 0, 0); fadst4_sse2(in); fidtx4_sse2(in); write_buffer_4x4(output, in); break; case H_ADST: load_buffer_4x4(input, in, stride, 0, 0); fidtx4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; case V_FLIPADST: load_buffer_4x4(input, in, stride, 1, 0); fadst4_sse2(in); fidtx4_sse2(in); write_buffer_4x4(output, in); break; case H_FLIPADST: load_buffer_4x4(input, in, stride, 0, 1); fidtx4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; #endif // CONFIG_EXT_TX default: assert(0); } } // load 8x8 array static INLINE void load_buffer_8x8(const int16_t *input, __m128i *in, int stride, int flipud, int fliplr) { if (!flipud) { in[0] = _mm_load_si128((const __m128i *)(input + 0 * stride)); in[1] = _mm_load_si128((const __m128i *)(input + 1 * stride)); in[2] = _mm_load_si128((const __m128i *)(input + 2 * stride)); in[3] = _mm_load_si128((const __m128i *)(input + 3 * stride)); in[4] = _mm_load_si128((const __m128i *)(input + 4 * stride)); in[5] = _mm_load_si128((const __m128i *)(input + 5 * stride)); in[6] = _mm_load_si128((const __m128i *)(input + 6 * stride)); in[7] = _mm_load_si128((const __m128i *)(input + 7 * stride)); } else { in[0] = _mm_load_si128((const __m128i *)(input + 7 * stride)); in[1] = _mm_load_si128((const __m128i *)(input + 6 * stride)); in[2] = _mm_load_si128((const __m128i *)(input + 5 * stride)); in[3] = _mm_load_si128((const __m128i *)(input + 4 * stride)); in[4] = _mm_load_si128((const __m128i *)(input + 3 * stride)); in[5] = _mm_load_si128((const __m128i *)(input + 2 * stride)); in[6] = _mm_load_si128((const __m128i *)(input + 1 * stride)); in[7] = _mm_load_si128((const __m128i *)(input + 0 * stride)); } if (fliplr) { in[0] = mm_reverse_epi16(in[0]); in[1] = mm_reverse_epi16(in[1]); in[2] = mm_reverse_epi16(in[2]); in[3] = mm_reverse_epi16(in[3]); in[4] = mm_reverse_epi16(in[4]); in[5] = mm_reverse_epi16(in[5]); in[6] = mm_reverse_epi16(in[6]); in[7] = mm_reverse_epi16(in[7]); } in[0] = _mm_slli_epi16(in[0], 2); in[1] = _mm_slli_epi16(in[1], 2); in[2] = _mm_slli_epi16(in[2], 2); in[3] = _mm_slli_epi16(in[3], 2); in[4] = _mm_slli_epi16(in[4], 2); in[5] = _mm_slli_epi16(in[5], 2); in[6] = _mm_slli_epi16(in[6], 2); in[7] = _mm_slli_epi16(in[7], 2); } // right shift and rounding static INLINE void right_shift_8x8(__m128i *res, const int bit) { __m128i sign0 = _mm_srai_epi16(res[0], 15); __m128i sign1 = _mm_srai_epi16(res[1], 15); __m128i sign2 = _mm_srai_epi16(res[2], 15); __m128i sign3 = _mm_srai_epi16(res[3], 15); __m128i sign4 = _mm_srai_epi16(res[4], 15); __m128i sign5 = _mm_srai_epi16(res[5], 15); __m128i sign6 = _mm_srai_epi16(res[6], 15); __m128i sign7 = _mm_srai_epi16(res[7], 15); if (bit == 2) { const __m128i const_rounding = _mm_set1_epi16(1); res[0] = _mm_adds_epi16(res[0], const_rounding); res[1] = _mm_adds_epi16(res[1], const_rounding); res[2] = _mm_adds_epi16(res[2], const_rounding); res[3] = _mm_adds_epi16(res[3], const_rounding); res[4] = _mm_adds_epi16(res[4], const_rounding); res[5] = _mm_adds_epi16(res[5], const_rounding); res[6] = _mm_adds_epi16(res[6], const_rounding); res[7] = _mm_adds_epi16(res[7], const_rounding); } res[0] = _mm_sub_epi16(res[0], sign0); res[1] = _mm_sub_epi16(res[1], sign1); res[2] = _mm_sub_epi16(res[2], sign2); res[3] = _mm_sub_epi16(res[3], sign3); res[4] = _mm_sub_epi16(res[4], sign4); res[5] = _mm_sub_epi16(res[5], sign5); res[6] = _mm_sub_epi16(res[6], sign6); res[7] = _mm_sub_epi16(res[7], sign7); if (bit == 1) { res[0] = _mm_srai_epi16(res[0], 1); res[1] = _mm_srai_epi16(res[1], 1); res[2] = _mm_srai_epi16(res[2], 1); res[3] = _mm_srai_epi16(res[3], 1); res[4] = _mm_srai_epi16(res[4], 1); res[5] = _mm_srai_epi16(res[5], 1); res[6] = _mm_srai_epi16(res[6], 1); res[7] = _mm_srai_epi16(res[7], 1); } else { res[0] = _mm_srai_epi16(res[0], 2); res[1] = _mm_srai_epi16(res[1], 2); res[2] = _mm_srai_epi16(res[2], 2); res[3] = _mm_srai_epi16(res[3], 2); res[4] = _mm_srai_epi16(res[4], 2); res[5] = _mm_srai_epi16(res[5], 2); res[6] = _mm_srai_epi16(res[6], 2); res[7] = _mm_srai_epi16(res[7], 2); } } // write 8x8 array static INLINE void write_buffer_8x8(tran_low_t *output, __m128i *res, int stride) { store_output(&res[0], (output + 0 * stride)); store_output(&res[1], (output + 1 * stride)); store_output(&res[2], (output + 2 * stride)); store_output(&res[3], (output + 3 * stride)); store_output(&res[4], (output + 4 * stride)); store_output(&res[5], (output + 5 * stride)); store_output(&res[6], (output + 6 * stride)); store_output(&res[7], (output + 7 * stride)); } // perform in-place transpose static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) { const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]); const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]); const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]); const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]); const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]); const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]); const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]); const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]); // 00 10 01 11 02 12 03 13 // 20 30 21 31 22 32 23 33 // 04 14 05 15 06 16 07 17 // 24 34 25 35 26 36 27 37 // 40 50 41 51 42 52 43 53 // 60 70 61 71 62 72 63 73 // 44 54 45 55 46 56 47 57 // 64 74 65 75 66 76 67 77 const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5); const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5); const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3); const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3); const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); // 00 10 20 30 01 11 21 31 // 40 50 60 70 41 51 61 71 // 02 12 22 32 03 13 23 33 // 42 52 62 72 43 53 63 73 // 04 14 24 34 05 15 25 35 // 44 54 64 74 45 55 65 75 // 06 16 26 36 07 17 27 37 // 46 56 66 76 47 57 67 77 res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1); res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1); res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3); res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3); res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5); res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5); res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7); res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7); // 00 10 20 30 40 50 60 70 // 01 11 21 31 41 51 61 71 // 02 12 22 32 42 52 62 72 // 03 13 23 33 43 53 63 73 // 04 14 24 34 44 54 64 74 // 05 15 25 35 45 55 65 75 // 06 16 26 36 46 56 66 76 // 07 17 27 37 47 57 67 77 } static void fdct8_sse2(__m128i *in) { // constants const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64); const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64); const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u0, u1, u2, u3, u4, u5, u6, u7; __m128i v0, v1, v2, v3, v4, v5, v6, v7; __m128i s0, s1, s2, s3, s4, s5, s6, s7; // stage 1 s0 = _mm_add_epi16(in[0], in[7]); s1 = _mm_add_epi16(in[1], in[6]); s2 = _mm_add_epi16(in[2], in[5]); s3 = _mm_add_epi16(in[3], in[4]); s4 = _mm_sub_epi16(in[3], in[4]); s5 = _mm_sub_epi16(in[2], in[5]); s6 = _mm_sub_epi16(in[1], in[6]); s7 = _mm_sub_epi16(in[0], in[7]); u0 = _mm_add_epi16(s0, s3); u1 = _mm_add_epi16(s1, s2); u2 = _mm_sub_epi16(s1, s2); u3 = _mm_sub_epi16(s0, s3); // interleave and perform butterfly multiplication/addition v0 = _mm_unpacklo_epi16(u0, u1); v1 = _mm_unpackhi_epi16(u0, u1); v2 = _mm_unpacklo_epi16(u2, u3); v3 = _mm_unpackhi_epi16(u2, u3); u0 = _mm_madd_epi16(v0, k__cospi_p16_p16); u1 = _mm_madd_epi16(v1, k__cospi_p16_p16); u2 = _mm_madd_epi16(v0, k__cospi_p16_m16); u3 = _mm_madd_epi16(v1, k__cospi_p16_m16); u4 = _mm_madd_epi16(v2, k__cospi_p24_p08); u5 = _mm_madd_epi16(v3, k__cospi_p24_p08); u6 = _mm_madd_epi16(v2, k__cospi_m08_p24); u7 = _mm_madd_epi16(v3, k__cospi_m08_p24); // shift and rounding v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING); u0 = _mm_srai_epi32(v0, DCT_CONST_BITS); u1 = _mm_srai_epi32(v1, DCT_CONST_BITS); u2 = _mm_srai_epi32(v2, DCT_CONST_BITS); u3 = _mm_srai_epi32(v3, DCT_CONST_BITS); u4 = _mm_srai_epi32(v4, DCT_CONST_BITS); u5 = _mm_srai_epi32(v5, DCT_CONST_BITS); u6 = _mm_srai_epi32(v6, DCT_CONST_BITS); u7 = _mm_srai_epi32(v7, DCT_CONST_BITS); in[0] = _mm_packs_epi32(u0, u1); in[2] = _mm_packs_epi32(u4, u5); in[4] = _mm_packs_epi32(u2, u3); in[6] = _mm_packs_epi32(u6, u7); // stage 2 // interleave and perform butterfly multiplication/addition u0 = _mm_unpacklo_epi16(s6, s5); u1 = _mm_unpackhi_epi16(s6, s5); v0 = _mm_madd_epi16(u0, k__cospi_p16_m16); v1 = _mm_madd_epi16(u1, k__cospi_p16_m16); v2 = _mm_madd_epi16(u0, k__cospi_p16_p16); v3 = _mm_madd_epi16(u1, k__cospi_p16_p16); // shift and rounding u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING); u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING); u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING); u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING); v0 = _mm_srai_epi32(u0, DCT_CONST_BITS); v1 = _mm_srai_epi32(u1, DCT_CONST_BITS); v2 = _mm_srai_epi32(u2, DCT_CONST_BITS); v3 = _mm_srai_epi32(u3, DCT_CONST_BITS); u0 = _mm_packs_epi32(v0, v1); u1 = _mm_packs_epi32(v2, v3); // stage 3 s0 = _mm_add_epi16(s4, u0); s1 = _mm_sub_epi16(s4, u0); s2 = _mm_sub_epi16(s7, u1); s3 = _mm_add_epi16(s7, u1); // stage 4 u0 = _mm_unpacklo_epi16(s0, s3); u1 = _mm_unpackhi_epi16(s0, s3); u2 = _mm_unpacklo_epi16(s1, s2); u3 = _mm_unpackhi_epi16(s1, s2); v0 = _mm_madd_epi16(u0, k__cospi_p28_p04); v1 = _mm_madd_epi16(u1, k__cospi_p28_p04); v2 = _mm_madd_epi16(u2, k__cospi_p12_p20); v3 = _mm_madd_epi16(u3, k__cospi_p12_p20); v4 = _mm_madd_epi16(u2, k__cospi_m20_p12); v5 = _mm_madd_epi16(u3, k__cospi_m20_p12); v6 = _mm_madd_epi16(u0, k__cospi_m04_p28); v7 = _mm_madd_epi16(u1, k__cospi_m04_p28); // shift and rounding u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING); u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING); u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING); u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING); u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING); u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING); u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING); u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING); v0 = _mm_srai_epi32(u0, DCT_CONST_BITS); v1 = _mm_srai_epi32(u1, DCT_CONST_BITS); v2 = _mm_srai_epi32(u2, DCT_CONST_BITS); v3 = _mm_srai_epi32(u3, DCT_CONST_BITS); v4 = _mm_srai_epi32(u4, DCT_CONST_BITS); v5 = _mm_srai_epi32(u5, DCT_CONST_BITS); v6 = _mm_srai_epi32(u6, DCT_CONST_BITS); v7 = _mm_srai_epi32(u7, DCT_CONST_BITS); in[1] = _mm_packs_epi32(v0, v1); in[3] = _mm_packs_epi32(v4, v5); in[5] = _mm_packs_epi32(v2, v3); in[7] = _mm_packs_epi32(v6, v7); // transpose array_transpose_8x8(in, in); } static void fadst8_sse2(__m128i *in) { // Constants const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64); const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64); const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64); const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64); const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64); const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64); const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64); const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64); const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__const_0 = _mm_set1_epi16(0); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15; __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15; __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15; __m128i s0, s1, s2, s3, s4, s5, s6, s7; __m128i in0, in1, in2, in3, in4, in5, in6, in7; // properly aligned for butterfly input in0 = in[7]; in1 = in[0]; in2 = in[5]; in3 = in[2]; in4 = in[3]; in5 = in[4]; in6 = in[1]; in7 = in[6]; // column transformation // stage 1 // interleave and multiply/add into 32-bit integer s0 = _mm_unpacklo_epi16(in0, in1); s1 = _mm_unpackhi_epi16(in0, in1); s2 = _mm_unpacklo_epi16(in2, in3); s3 = _mm_unpackhi_epi16(in2, in3); s4 = _mm_unpacklo_epi16(in4, in5); s5 = _mm_unpackhi_epi16(in4, in5); s6 = _mm_unpacklo_epi16(in6, in7); s7 = _mm_unpackhi_epi16(in6, in7); u0 = _mm_madd_epi16(s0, k__cospi_p02_p30); u1 = _mm_madd_epi16(s1, k__cospi_p02_p30); u2 = _mm_madd_epi16(s0, k__cospi_p30_m02); u3 = _mm_madd_epi16(s1, k__cospi_p30_m02); u4 = _mm_madd_epi16(s2, k__cospi_p10_p22); u5 = _mm_madd_epi16(s3, k__cospi_p10_p22); u6 = _mm_madd_epi16(s2, k__cospi_p22_m10); u7 = _mm_madd_epi16(s3, k__cospi_p22_m10); u8 = _mm_madd_epi16(s4, k__cospi_p18_p14); u9 = _mm_madd_epi16(s5, k__cospi_p18_p14); u10 = _mm_madd_epi16(s4, k__cospi_p14_m18); u11 = _mm_madd_epi16(s5, k__cospi_p14_m18); u12 = _mm_madd_epi16(s6, k__cospi_p26_p06); u13 = _mm_madd_epi16(s7, k__cospi_p26_p06); u14 = _mm_madd_epi16(s6, k__cospi_p06_m26); u15 = _mm_madd_epi16(s7, k__cospi_p06_m26); // addition w0 = _mm_add_epi32(u0, u8); w1 = _mm_add_epi32(u1, u9); w2 = _mm_add_epi32(u2, u10); w3 = _mm_add_epi32(u3, u11); w4 = _mm_add_epi32(u4, u12); w5 = _mm_add_epi32(u5, u13); w6 = _mm_add_epi32(u6, u14); w7 = _mm_add_epi32(u7, u15); w8 = _mm_sub_epi32(u0, u8); w9 = _mm_sub_epi32(u1, u9); w10 = _mm_sub_epi32(u2, u10); w11 = _mm_sub_epi32(u3, u11); w12 = _mm_sub_epi32(u4, u12); w13 = _mm_sub_epi32(u5, u13); w14 = _mm_sub_epi32(u6, u14); w15 = _mm_sub_epi32(u7, u15); // shift and rounding v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING); v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING); v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING); v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING); v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING); v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING); v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING); v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING); u8 = _mm_srai_epi32(v8, DCT_CONST_BITS); u9 = _mm_srai_epi32(v9, DCT_CONST_BITS); u10 = _mm_srai_epi32(v10, DCT_CONST_BITS); u11 = _mm_srai_epi32(v11, DCT_CONST_BITS); u12 = _mm_srai_epi32(v12, DCT_CONST_BITS); u13 = _mm_srai_epi32(v13, DCT_CONST_BITS); u14 = _mm_srai_epi32(v14, DCT_CONST_BITS); u15 = _mm_srai_epi32(v15, DCT_CONST_BITS); // back to 16-bit and pack 8 integers into __m128i v0 = _mm_add_epi32(w0, w4); v1 = _mm_add_epi32(w1, w5); v2 = _mm_add_epi32(w2, w6); v3 = _mm_add_epi32(w3, w7); v4 = _mm_sub_epi32(w0, w4); v5 = _mm_sub_epi32(w1, w5); v6 = _mm_sub_epi32(w2, w6); v7 = _mm_sub_epi32(w3, w7); w0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING); w1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING); w2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING); w3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING); w4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING); w5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING); w6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING); w7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING); v0 = _mm_srai_epi32(w0, DCT_CONST_BITS); v1 = _mm_srai_epi32(w1, DCT_CONST_BITS); v2 = _mm_srai_epi32(w2, DCT_CONST_BITS); v3 = _mm_srai_epi32(w3, DCT_CONST_BITS); v4 = _mm_srai_epi32(w4, DCT_CONST_BITS); v5 = _mm_srai_epi32(w5, DCT_CONST_BITS); v6 = _mm_srai_epi32(w6, DCT_CONST_BITS); v7 = _mm_srai_epi32(w7, DCT_CONST_BITS); in[4] = _mm_packs_epi32(u8, u9); in[5] = _mm_packs_epi32(u10, u11); in[6] = _mm_packs_epi32(u12, u13); in[7] = _mm_packs_epi32(u14, u15); // stage 2 s0 = _mm_packs_epi32(v0, v1); s1 = _mm_packs_epi32(v2, v3); s2 = _mm_packs_epi32(v4, v5); s3 = _mm_packs_epi32(v6, v7); u0 = _mm_unpacklo_epi16(in[4], in[5]); u1 = _mm_unpackhi_epi16(in[4], in[5]); u2 = _mm_unpacklo_epi16(in[6], in[7]); u3 = _mm_unpackhi_epi16(in[6], in[7]); v0 = _mm_madd_epi16(u0, k__cospi_p08_p24); v1 = _mm_madd_epi16(u1, k__cospi_p08_p24); v2 = _mm_madd_epi16(u0, k__cospi_p24_m08); v3 = _mm_madd_epi16(u1, k__cospi_p24_m08); v4 = _mm_madd_epi16(u2, k__cospi_m24_p08); v5 = _mm_madd_epi16(u3, k__cospi_m24_p08); v6 = _mm_madd_epi16(u2, k__cospi_p08_p24); v7 = _mm_madd_epi16(u3, k__cospi_p08_p24); w0 = _mm_add_epi32(v0, v4); w1 = _mm_add_epi32(v1, v5); w2 = _mm_add_epi32(v2, v6); w3 = _mm_add_epi32(v3, v7); w4 = _mm_sub_epi32(v0, v4); w5 = _mm_sub_epi32(v1, v5); w6 = _mm_sub_epi32(v2, v6); w7 = _mm_sub_epi32(v3, v7); v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING); v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING); v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING); v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING); v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING); v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING); v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING); v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING); u0 = _mm_srai_epi32(v0, DCT_CONST_BITS); u1 = _mm_srai_epi32(v1, DCT_CONST_BITS); u2 = _mm_srai_epi32(v2, DCT_CONST_BITS); u3 = _mm_srai_epi32(v3, DCT_CONST_BITS); u4 = _mm_srai_epi32(v4, DCT_CONST_BITS); u5 = _mm_srai_epi32(v5, DCT_CONST_BITS); u6 = _mm_srai_epi32(v6, DCT_CONST_BITS); u7 = _mm_srai_epi32(v7, DCT_CONST_BITS); // back to 16-bit intergers s4 = _mm_packs_epi32(u0, u1); s5 = _mm_packs_epi32(u2, u3); s6 = _mm_packs_epi32(u4, u5); s7 = _mm_packs_epi32(u6, u7); // stage 3 u0 = _mm_unpacklo_epi16(s2, s3); u1 = _mm_unpackhi_epi16(s2, s3); u2 = _mm_unpacklo_epi16(s6, s7); u3 = _mm_unpackhi_epi16(s6, s7); v0 = _mm_madd_epi16(u0, k__cospi_p16_p16); v1 = _mm_madd_epi16(u1, k__cospi_p16_p16); v2 = _mm_madd_epi16(u0, k__cospi_p16_m16); v3 = _mm_madd_epi16(u1, k__cospi_p16_m16); v4 = _mm_madd_epi16(u2, k__cospi_p16_p16); v5 = _mm_madd_epi16(u3, k__cospi_p16_p16); v6 = _mm_madd_epi16(u2, k__cospi_p16_m16); v7 = _mm_madd_epi16(u3, k__cospi_p16_m16); u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING); u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING); u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING); u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING); u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING); u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING); u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING); u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING); v0 = _mm_srai_epi32(u0, DCT_CONST_BITS); v1 = _mm_srai_epi32(u1, DCT_CONST_BITS); v2 = _mm_srai_epi32(u2, DCT_CONST_BITS); v3 = _mm_srai_epi32(u3, DCT_CONST_BITS); v4 = _mm_srai_epi32(u4, DCT_CONST_BITS); v5 = _mm_srai_epi32(u5, DCT_CONST_BITS); v6 = _mm_srai_epi32(u6, DCT_CONST_BITS); v7 = _mm_srai_epi32(u7, DCT_CONST_BITS); s2 = _mm_packs_epi32(v0, v1); s3 = _mm_packs_epi32(v2, v3); s6 = _mm_packs_epi32(v4, v5); s7 = _mm_packs_epi32(v6, v7); // FIXME(jingning): do subtract using bit inversion? in[0] = s0; in[1] = _mm_sub_epi16(k__const_0, s4); in[2] = s6; in[3] = _mm_sub_epi16(k__const_0, s2); in[4] = s3; in[5] = _mm_sub_epi16(k__const_0, s7); in[6] = s5; in[7] = _mm_sub_epi16(k__const_0, s1); // transpose array_transpose_8x8(in, in); } #if CONFIG_EXT_TX static void fidtx8_sse2(__m128i *in) { in[0] = _mm_slli_epi16(in[0], 1); in[1] = _mm_slli_epi16(in[1], 1); in[2] = _mm_slli_epi16(in[2], 1); in[3] = _mm_slli_epi16(in[3], 1); in[4] = _mm_slli_epi16(in[4], 1); in[5] = _mm_slli_epi16(in[5], 1); in[6] = _mm_slli_epi16(in[6], 1); in[7] = _mm_slli_epi16(in[7], 1); array_transpose_8x8(in, in); } #endif // CONFIG_EXT_TX void av1_fht8x8_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in[8]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif switch (tx_type) { case DCT_DCT: aom_fdct8x8_sse2(input, output, stride); break; case ADST_DCT: load_buffer_8x8(input, in, stride, 0, 0); fadst8_sse2(in); fdct8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case DCT_ADST: load_buffer_8x8(input, in, stride, 0, 0); fdct8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case ADST_ADST: load_buffer_8x8(input, in, stride, 0, 0); fadst8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_8x8(input, in, stride, 1, 0); fadst8_sse2(in); fdct8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case DCT_FLIPADST: load_buffer_8x8(input, in, stride, 0, 1); fdct8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case FLIPADST_FLIPADST: load_buffer_8x8(input, in, stride, 1, 1); fadst8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case ADST_FLIPADST: load_buffer_8x8(input, in, stride, 0, 1); fadst8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case FLIPADST_ADST: load_buffer_8x8(input, in, stride, 1, 0); fadst8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case IDTX: load_buffer_8x8(input, in, stride, 0, 0); fidtx8_sse2(in); fidtx8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case V_DCT: load_buffer_8x8(input, in, stride, 0, 0); fdct8_sse2(in); fidtx8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case H_DCT: load_buffer_8x8(input, in, stride, 0, 0); fidtx8_sse2(in); fdct8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case V_ADST: load_buffer_8x8(input, in, stride, 0, 0); fadst8_sse2(in); fidtx8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case H_ADST: load_buffer_8x8(input, in, stride, 0, 0); fidtx8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case V_FLIPADST: load_buffer_8x8(input, in, stride, 1, 0); fadst8_sse2(in); fidtx8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case H_FLIPADST: load_buffer_8x8(input, in, stride, 0, 1); fidtx8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; #endif // CONFIG_EXT_TX default: assert(0); } } static INLINE void load_buffer_16x16(const int16_t *input, __m128i *in0, __m128i *in1, int stride, int flipud, int fliplr) { // Load 4 8x8 blocks const int16_t *topL = input; const int16_t *topR = input + 8; const int16_t *botL = input + 8 * stride; const int16_t *botR = input + 8 * stride + 8; const int16_t *tmp; if (flipud) { // Swap left columns tmp = topL; topL = botL; botL = tmp; // Swap right columns tmp = topR; topR = botR; botR = tmp; } if (fliplr) { // Swap top rows tmp = topL; topL = topR; topR = tmp; // Swap bottom rows tmp = botL; botL = botR; botR = tmp; } // load first 8 columns load_buffer_8x8(topL, in0, stride, flipud, fliplr); load_buffer_8x8(botL, in0 + 8, stride, flipud, fliplr); // load second 8 columns load_buffer_8x8(topR, in1, stride, flipud, fliplr); load_buffer_8x8(botR, in1 + 8, stride, flipud, fliplr); } static INLINE void write_buffer_16x16(tran_low_t *output, __m128i *in0, __m128i *in1, int stride) { // write first 8 columns write_buffer_8x8(output, in0, stride); write_buffer_8x8(output + 8 * stride, in0 + 8, stride); // write second 8 columns output += 8; write_buffer_8x8(output, in1, stride); write_buffer_8x8(output + 8 * stride, in1 + 8, stride); } static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) { __m128i tbuf[8]; array_transpose_8x8(res0, res0); array_transpose_8x8(res1, tbuf); array_transpose_8x8(res0 + 8, res1); array_transpose_8x8(res1 + 8, res1 + 8); res0[8] = tbuf[0]; res0[9] = tbuf[1]; res0[10] = tbuf[2]; res0[11] = tbuf[3]; res0[12] = tbuf[4]; res0[13] = tbuf[5]; res0[14] = tbuf[6]; res0[15] = tbuf[7]; } static INLINE void right_shift_16x16(__m128i *res0, __m128i *res1) { // perform rounding operations right_shift_8x8(res0, 2); right_shift_8x8(res0 + 8, 2); right_shift_8x8(res1, 2); right_shift_8x8(res1 + 8, 2); } static void fdct16_8col(__m128i *in) { // perform 16x16 1-D DCT for 8 columns __m128i i[8], s[8], p[8], t[8], u[16], v[16]; const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64); const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64); const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64); const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64); const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i k__cospi_p30_p02 = pair_set_epi16(cospi_30_64, cospi_2_64); const __m128i k__cospi_p14_p18 = pair_set_epi16(cospi_14_64, cospi_18_64); const __m128i k__cospi_m02_p30 = pair_set_epi16(-cospi_2_64, cospi_30_64); const __m128i k__cospi_m18_p14 = pair_set_epi16(-cospi_18_64, cospi_14_64); const __m128i k__cospi_p22_p10 = pair_set_epi16(cospi_22_64, cospi_10_64); const __m128i k__cospi_p06_p26 = pair_set_epi16(cospi_6_64, cospi_26_64); const __m128i k__cospi_m10_p22 = pair_set_epi16(-cospi_10_64, cospi_22_64); const __m128i k__cospi_m26_p06 = pair_set_epi16(-cospi_26_64, cospi_6_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); // stage 1 i[0] = _mm_add_epi16(in[0], in[15]); i[1] = _mm_add_epi16(in[1], in[14]); i[2] = _mm_add_epi16(in[2], in[13]); i[3] = _mm_add_epi16(in[3], in[12]); i[4] = _mm_add_epi16(in[4], in[11]); i[5] = _mm_add_epi16(in[5], in[10]); i[6] = _mm_add_epi16(in[6], in[9]); i[7] = _mm_add_epi16(in[7], in[8]); s[0] = _mm_sub_epi16(in[7], in[8]); s[1] = _mm_sub_epi16(in[6], in[9]); s[2] = _mm_sub_epi16(in[5], in[10]); s[3] = _mm_sub_epi16(in[4], in[11]); s[4] = _mm_sub_epi16(in[3], in[12]); s[5] = _mm_sub_epi16(in[2], in[13]); s[6] = _mm_sub_epi16(in[1], in[14]); s[7] = _mm_sub_epi16(in[0], in[15]); p[0] = _mm_add_epi16(i[0], i[7]); p[1] = _mm_add_epi16(i[1], i[6]); p[2] = _mm_add_epi16(i[2], i[5]); p[3] = _mm_add_epi16(i[3], i[4]); p[4] = _mm_sub_epi16(i[3], i[4]); p[5] = _mm_sub_epi16(i[2], i[5]); p[6] = _mm_sub_epi16(i[1], i[6]); p[7] = _mm_sub_epi16(i[0], i[7]); u[0] = _mm_add_epi16(p[0], p[3]); u[1] = _mm_add_epi16(p[1], p[2]); u[2] = _mm_sub_epi16(p[1], p[2]); u[3] = _mm_sub_epi16(p[0], p[3]); v[0] = _mm_unpacklo_epi16(u[0], u[1]); v[1] = _mm_unpackhi_epi16(u[0], u[1]); v[2] = _mm_unpacklo_epi16(u[2], u[3]); v[3] = _mm_unpackhi_epi16(u[2], u[3]); u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); u[1] = _mm_madd_epi16(v[1], k__cospi_p16_p16); u[2] = _mm_madd_epi16(v[0], k__cospi_p16_m16); u[3] = _mm_madd_epi16(v[1], k__cospi_p16_m16); u[4] = _mm_madd_epi16(v[2], k__cospi_p24_p08); u[5] = _mm_madd_epi16(v[3], k__cospi_p24_p08); u[6] = _mm_madd_epi16(v[2], k__cospi_m08_p24); u[7] = _mm_madd_epi16(v[3], k__cospi_m08_p24); v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING); v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING); v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING); v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING); v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS); u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS); u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS); u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS); u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS); in[0] = _mm_packs_epi32(u[0], u[1]); in[4] = _mm_packs_epi32(u[4], u[5]); in[8] = _mm_packs_epi32(u[2], u[3]); in[12] = _mm_packs_epi32(u[6], u[7]); u[0] = _mm_unpacklo_epi16(p[5], p[6]); u[1] = _mm_unpackhi_epi16(p[5], p[6]); v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16); v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16); v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16); v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); u[0] = _mm_packs_epi32(v[0], v[1]); u[1] = _mm_packs_epi32(v[2], v[3]); t[0] = _mm_add_epi16(p[4], u[0]); t[1] = _mm_sub_epi16(p[4], u[0]); t[2] = _mm_sub_epi16(p[7], u[1]); t[3] = _mm_add_epi16(p[7], u[1]); u[0] = _mm_unpacklo_epi16(t[0], t[3]); u[1] = _mm_unpackhi_epi16(t[0], t[3]); u[2] = _mm_unpacklo_epi16(t[1], t[2]); u[3] = _mm_unpackhi_epi16(t[1], t[2]); v[0] = _mm_madd_epi16(u[0], k__cospi_p28_p04); v[1] = _mm_madd_epi16(u[1], k__cospi_p28_p04); v[2] = _mm_madd_epi16(u[2], k__cospi_p12_p20); v[3] = _mm_madd_epi16(u[3], k__cospi_p12_p20); v[4] = _mm_madd_epi16(u[2], k__cospi_m20_p12); v[5] = _mm_madd_epi16(u[3], k__cospi_m20_p12); v[6] = _mm_madd_epi16(u[0], k__cospi_m04_p28); v[7] = _mm_madd_epi16(u[1], k__cospi_m04_p28); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); in[2] = _mm_packs_epi32(v[0], v[1]); in[6] = _mm_packs_epi32(v[4], v[5]); in[10] = _mm_packs_epi32(v[2], v[3]); in[14] = _mm_packs_epi32(v[6], v[7]); // stage 2 u[0] = _mm_unpacklo_epi16(s[2], s[5]); u[1] = _mm_unpackhi_epi16(s[2], s[5]); u[2] = _mm_unpacklo_epi16(s[3], s[4]); u[3] = _mm_unpackhi_epi16(s[3], s[4]); v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16); v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16); v[2] = _mm_madd_epi16(u[2], k__cospi_m16_p16); v[3] = _mm_madd_epi16(u[3], k__cospi_m16_p16); v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16); v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16); v[6] = _mm_madd_epi16(u[0], k__cospi_p16_p16); v[7] = _mm_madd_epi16(u[1], k__cospi_p16_p16); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); t[2] = _mm_packs_epi32(v[0], v[1]); t[3] = _mm_packs_epi32(v[2], v[3]); t[4] = _mm_packs_epi32(v[4], v[5]); t[5] = _mm_packs_epi32(v[6], v[7]); // stage 3 p[0] = _mm_add_epi16(s[0], t[3]); p[1] = _mm_add_epi16(s[1], t[2]); p[2] = _mm_sub_epi16(s[1], t[2]); p[3] = _mm_sub_epi16(s[0], t[3]); p[4] = _mm_sub_epi16(s[7], t[4]); p[5] = _mm_sub_epi16(s[6], t[5]); p[6] = _mm_add_epi16(s[6], t[5]); p[7] = _mm_add_epi16(s[7], t[4]); // stage 4 u[0] = _mm_unpacklo_epi16(p[1], p[6]); u[1] = _mm_unpackhi_epi16(p[1], p[6]); u[2] = _mm_unpacklo_epi16(p[2], p[5]); u[3] = _mm_unpackhi_epi16(p[2], p[5]); v[0] = _mm_madd_epi16(u[0], k__cospi_m08_p24); v[1] = _mm_madd_epi16(u[1], k__cospi_m08_p24); v[2] = _mm_madd_epi16(u[2], k__cospi_m24_m08); v[3] = _mm_madd_epi16(u[3], k__cospi_m24_m08); v[4] = _mm_madd_epi16(u[2], k__cospi_m08_p24); v[5] = _mm_madd_epi16(u[3], k__cospi_m08_p24); v[6] = _mm_madd_epi16(u[0], k__cospi_p24_p08); v[7] = _mm_madd_epi16(u[1], k__cospi_p24_p08); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); t[1] = _mm_packs_epi32(v[0], v[1]); t[2] = _mm_packs_epi32(v[2], v[3]); t[5] = _mm_packs_epi32(v[4], v[5]); t[6] = _mm_packs_epi32(v[6], v[7]); // stage 5 s[0] = _mm_add_epi16(p[0], t[1]); s[1] = _mm_sub_epi16(p[0], t[1]); s[2] = _mm_sub_epi16(p[3], t[2]); s[3] = _mm_add_epi16(p[3], t[2]); s[4] = _mm_add_epi16(p[4], t[5]); s[5] = _mm_sub_epi16(p[4], t[5]); s[6] = _mm_sub_epi16(p[7], t[6]); s[7] = _mm_add_epi16(p[7], t[6]); // stage 6 u[0] = _mm_unpacklo_epi16(s[0], s[7]); u[1] = _mm_unpackhi_epi16(s[0], s[7]); u[2] = _mm_unpacklo_epi16(s[1], s[6]); u[3] = _mm_unpackhi_epi16(s[1], s[6]); u[4] = _mm_unpacklo_epi16(s[2], s[5]); u[5] = _mm_unpackhi_epi16(s[2], s[5]); u[6] = _mm_unpacklo_epi16(s[3], s[4]); u[7] = _mm_unpackhi_epi16(s[3], s[4]); v[0] = _mm_madd_epi16(u[0], k__cospi_p30_p02); v[1] = _mm_madd_epi16(u[1], k__cospi_p30_p02); v[2] = _mm_madd_epi16(u[2], k__cospi_p14_p18); v[3] = _mm_madd_epi16(u[3], k__cospi_p14_p18); v[4] = _mm_madd_epi16(u[4], k__cospi_p22_p10); v[5] = _mm_madd_epi16(u[5], k__cospi_p22_p10); v[6] = _mm_madd_epi16(u[6], k__cospi_p06_p26); v[7] = _mm_madd_epi16(u[7], k__cospi_p06_p26); v[8] = _mm_madd_epi16(u[6], k__cospi_m26_p06); v[9] = _mm_madd_epi16(u[7], k__cospi_m26_p06); v[10] = _mm_madd_epi16(u[4], k__cospi_m10_p22); v[11] = _mm_madd_epi16(u[5], k__cospi_m10_p22); v[12] = _mm_madd_epi16(u[2], k__cospi_m18_p14); v[13] = _mm_madd_epi16(u[3], k__cospi_m18_p14); v[14] = _mm_madd_epi16(u[0], k__cospi_m02_p30); v[15] = _mm_madd_epi16(u[1], k__cospi_m02_p30); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); in[1] = _mm_packs_epi32(v[0], v[1]); in[9] = _mm_packs_epi32(v[2], v[3]); in[5] = _mm_packs_epi32(v[4], v[5]); in[13] = _mm_packs_epi32(v[6], v[7]); in[3] = _mm_packs_epi32(v[8], v[9]); in[11] = _mm_packs_epi32(v[10], v[11]); in[7] = _mm_packs_epi32(v[12], v[13]); in[15] = _mm_packs_epi32(v[14], v[15]); } static void fadst16_8col(__m128i *in) { // perform 16x16 1-D ADST for 8 columns __m128i s[16], x[16], u[32], v[32]; const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64); const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64); const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64); const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64); const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64); const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64); const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64); const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64); const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64); const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64); const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64); const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64); const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64); const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64); const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64); const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64); const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64); const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64); const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64); const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64); const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64); const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64); const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i kZero = _mm_set1_epi16(0); u[0] = _mm_unpacklo_epi16(in[15], in[0]); u[1] = _mm_unpackhi_epi16(in[15], in[0]); u[2] = _mm_unpacklo_epi16(in[13], in[2]); u[3] = _mm_unpackhi_epi16(in[13], in[2]); u[4] = _mm_unpacklo_epi16(in[11], in[4]); u[5] = _mm_unpackhi_epi16(in[11], in[4]); u[6] = _mm_unpacklo_epi16(in[9], in[6]); u[7] = _mm_unpackhi_epi16(in[9], in[6]); u[8] = _mm_unpacklo_epi16(in[7], in[8]); u[9] = _mm_unpackhi_epi16(in[7], in[8]); u[10] = _mm_unpacklo_epi16(in[5], in[10]); u[11] = _mm_unpackhi_epi16(in[5], in[10]); u[12] = _mm_unpacklo_epi16(in[3], in[12]); u[13] = _mm_unpackhi_epi16(in[3], in[12]); u[14] = _mm_unpacklo_epi16(in[1], in[14]); u[15] = _mm_unpackhi_epi16(in[1], in[14]); v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31); v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31); v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01); v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01); v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27); v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27); v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05); v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05); v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23); v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23); v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09); v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09); v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19); v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19); v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13); v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13); v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15); v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15); v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17); v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17); v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11); v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11); v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21); v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21); v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07); v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07); v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25); v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25); v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03); v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03); v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29); v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29); u[0] = _mm_add_epi32(v[0], v[16]); u[1] = _mm_add_epi32(v[1], v[17]); u[2] = _mm_add_epi32(v[2], v[18]); u[3] = _mm_add_epi32(v[3], v[19]); u[4] = _mm_add_epi32(v[4], v[20]); u[5] = _mm_add_epi32(v[5], v[21]); u[6] = _mm_add_epi32(v[6], v[22]); u[7] = _mm_add_epi32(v[7], v[23]); u[8] = _mm_add_epi32(v[8], v[24]); u[9] = _mm_add_epi32(v[9], v[25]); u[10] = _mm_add_epi32(v[10], v[26]); u[11] = _mm_add_epi32(v[11], v[27]); u[12] = _mm_add_epi32(v[12], v[28]); u[13] = _mm_add_epi32(v[13], v[29]); u[14] = _mm_add_epi32(v[14], v[30]); u[15] = _mm_add_epi32(v[15], v[31]); u[16] = _mm_sub_epi32(v[0], v[16]); u[17] = _mm_sub_epi32(v[1], v[17]); u[18] = _mm_sub_epi32(v[2], v[18]); u[19] = _mm_sub_epi32(v[3], v[19]); u[20] = _mm_sub_epi32(v[4], v[20]); u[21] = _mm_sub_epi32(v[5], v[21]); u[22] = _mm_sub_epi32(v[6], v[22]); u[23] = _mm_sub_epi32(v[7], v[23]); u[24] = _mm_sub_epi32(v[8], v[24]); u[25] = _mm_sub_epi32(v[9], v[25]); u[26] = _mm_sub_epi32(v[10], v[26]); u[27] = _mm_sub_epi32(v[11], v[27]); u[28] = _mm_sub_epi32(v[12], v[28]); u[29] = _mm_sub_epi32(v[13], v[29]); u[30] = _mm_sub_epi32(v[14], v[30]); u[31] = _mm_sub_epi32(v[15], v[31]); v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING); v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING); v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING); v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING); v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING); v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING); v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING); v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING); v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING); v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING); v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING); v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING); v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING); v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING); v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING); v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING); u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS); u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS); u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS); u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS); u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS); u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS); u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS); u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS); u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS); u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS); u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS); u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS); u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS); u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS); u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS); u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS); v[0] = _mm_add_epi32(u[0], u[8]); v[1] = _mm_add_epi32(u[1], u[9]); v[2] = _mm_add_epi32(u[2], u[10]); v[3] = _mm_add_epi32(u[3], u[11]); v[4] = _mm_add_epi32(u[4], u[12]); v[5] = _mm_add_epi32(u[5], u[13]); v[6] = _mm_add_epi32(u[6], u[14]); v[7] = _mm_add_epi32(u[7], u[15]); v[16] = _mm_add_epi32(v[0], v[4]); v[17] = _mm_add_epi32(v[1], v[5]); v[18] = _mm_add_epi32(v[2], v[6]); v[19] = _mm_add_epi32(v[3], v[7]); v[20] = _mm_sub_epi32(v[0], v[4]); v[21] = _mm_sub_epi32(v[1], v[5]); v[22] = _mm_sub_epi32(v[2], v[6]); v[23] = _mm_sub_epi32(v[3], v[7]); v[16] = _mm_add_epi32(v[16], k__DCT_CONST_ROUNDING); v[17] = _mm_add_epi32(v[17], k__DCT_CONST_ROUNDING); v[18] = _mm_add_epi32(v[18], k__DCT_CONST_ROUNDING); v[19] = _mm_add_epi32(v[19], k__DCT_CONST_ROUNDING); v[20] = _mm_add_epi32(v[20], k__DCT_CONST_ROUNDING); v[21] = _mm_add_epi32(v[21], k__DCT_CONST_ROUNDING); v[22] = _mm_add_epi32(v[22], k__DCT_CONST_ROUNDING); v[23] = _mm_add_epi32(v[23], k__DCT_CONST_ROUNDING); v[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS); v[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS); v[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS); v[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS); v[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS); v[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS); v[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS); v[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS); s[0] = _mm_packs_epi32(v[16], v[17]); s[1] = _mm_packs_epi32(v[18], v[19]); s[2] = _mm_packs_epi32(v[20], v[21]); s[3] = _mm_packs_epi32(v[22], v[23]); v[8] = _mm_sub_epi32(u[0], u[8]); v[9] = _mm_sub_epi32(u[1], u[9]); v[10] = _mm_sub_epi32(u[2], u[10]); v[11] = _mm_sub_epi32(u[3], u[11]); v[12] = _mm_sub_epi32(u[4], u[12]); v[13] = _mm_sub_epi32(u[5], u[13]); v[14] = _mm_sub_epi32(u[6], u[14]); v[15] = _mm_sub_epi32(u[7], u[15]); v[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); v[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); v[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); v[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); v[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); v[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); v[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); v[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); v[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS); v[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS); v[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS); v[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS); v[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS); v[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS); v[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS); v[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS); s[4] = _mm_packs_epi32(v[8], v[9]); s[5] = _mm_packs_epi32(v[10], v[11]); s[6] = _mm_packs_epi32(v[12], v[13]); s[7] = _mm_packs_epi32(v[14], v[15]); // s[8] = _mm_packs_epi32(u[16], u[17]); s[9] = _mm_packs_epi32(u[18], u[19]); s[10] = _mm_packs_epi32(u[20], u[21]); s[11] = _mm_packs_epi32(u[22], u[23]); s[12] = _mm_packs_epi32(u[24], u[25]); s[13] = _mm_packs_epi32(u[26], u[27]); s[14] = _mm_packs_epi32(u[28], u[29]); s[15] = _mm_packs_epi32(u[30], u[31]); // stage 2 u[0] = _mm_unpacklo_epi16(s[8], s[9]); u[1] = _mm_unpackhi_epi16(s[8], s[9]); u[2] = _mm_unpacklo_epi16(s[10], s[11]); u[3] = _mm_unpackhi_epi16(s[10], s[11]); u[4] = _mm_unpacklo_epi16(s[12], s[13]); u[5] = _mm_unpackhi_epi16(s[12], s[13]); u[6] = _mm_unpacklo_epi16(s[14], s[15]); u[7] = _mm_unpackhi_epi16(s[14], s[15]); v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28); v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28); v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04); v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04); v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12); v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12); v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20); v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20); v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04); v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04); v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28); v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28); v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20); v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20); v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12); v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12); u[0] = _mm_add_epi32(v[0], v[8]); u[1] = _mm_add_epi32(v[1], v[9]); u[2] = _mm_add_epi32(v[2], v[10]); u[3] = _mm_add_epi32(v[3], v[11]); u[4] = _mm_add_epi32(v[4], v[12]); u[5] = _mm_add_epi32(v[5], v[13]); u[6] = _mm_add_epi32(v[6], v[14]); u[7] = _mm_add_epi32(v[7], v[15]); u[8] = _mm_sub_epi32(v[0], v[8]); u[9] = _mm_sub_epi32(v[1], v[9]); u[10] = _mm_sub_epi32(v[2], v[10]); u[11] = _mm_sub_epi32(v[3], v[11]); u[12] = _mm_sub_epi32(v[4], v[12]); u[13] = _mm_sub_epi32(v[5], v[13]); u[14] = _mm_sub_epi32(v[6], v[14]); u[15] = _mm_sub_epi32(v[7], v[15]); v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING); v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING); v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING); v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING); v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING); v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING); v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING); v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING); u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS); u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS); u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS); u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS); u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS); u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS); u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS); u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS); v[8] = _mm_add_epi32(u[0], u[4]); v[9] = _mm_add_epi32(u[1], u[5]); v[10] = _mm_add_epi32(u[2], u[6]); v[11] = _mm_add_epi32(u[3], u[7]); v[12] = _mm_sub_epi32(u[0], u[4]); v[13] = _mm_sub_epi32(u[1], u[5]); v[14] = _mm_sub_epi32(u[2], u[6]); v[15] = _mm_sub_epi32(u[3], u[7]); v[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); v[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); v[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); v[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); v[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); v[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); v[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); v[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); v[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS); v[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS); v[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS); v[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS); v[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS); v[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS); v[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS); v[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS); s[8] = _mm_packs_epi32(v[8], v[9]); s[9] = _mm_packs_epi32(v[10], v[11]); s[10] = _mm_packs_epi32(v[12], v[13]); s[11] = _mm_packs_epi32(v[14], v[15]); x[12] = _mm_packs_epi32(u[8], u[9]); x[13] = _mm_packs_epi32(u[10], u[11]); x[14] = _mm_packs_epi32(u[12], u[13]); x[15] = _mm_packs_epi32(u[14], u[15]); // stage 3 u[0] = _mm_unpacklo_epi16(s[4], s[5]); u[1] = _mm_unpackhi_epi16(s[4], s[5]); u[2] = _mm_unpacklo_epi16(s[6], s[7]); u[3] = _mm_unpackhi_epi16(s[6], s[7]); u[4] = _mm_unpacklo_epi16(x[12], x[13]); u[5] = _mm_unpackhi_epi16(x[12], x[13]); u[6] = _mm_unpacklo_epi16(x[14], x[15]); u[7] = _mm_unpackhi_epi16(x[14], x[15]); v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24); v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24); v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08); v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08); v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08); v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08); v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24); v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24); v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24); v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24); v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08); v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08); v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08); v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08); v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24); v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24); u[0] = _mm_add_epi32(v[0], v[4]); u[1] = _mm_add_epi32(v[1], v[5]); u[2] = _mm_add_epi32(v[2], v[6]); u[3] = _mm_add_epi32(v[3], v[7]); u[4] = _mm_sub_epi32(v[0], v[4]); u[5] = _mm_sub_epi32(v[1], v[5]); u[6] = _mm_sub_epi32(v[2], v[6]); u[7] = _mm_sub_epi32(v[3], v[7]); u[8] = _mm_add_epi32(v[8], v[12]); u[9] = _mm_add_epi32(v[9], v[13]); u[10] = _mm_add_epi32(v[10], v[14]); u[11] = _mm_add_epi32(v[11], v[15]); u[12] = _mm_sub_epi32(v[8], v[12]); u[13] = _mm_sub_epi32(v[9], v[13]); u[14] = _mm_sub_epi32(v[10], v[14]); u[15] = _mm_sub_epi32(v[11], v[15]); u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING); u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING); u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING); u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING); u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING); u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING); u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING); u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING); u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); s[4] = _mm_packs_epi32(v[0], v[1]); s[5] = _mm_packs_epi32(v[2], v[3]); s[6] = _mm_packs_epi32(v[4], v[5]); s[7] = _mm_packs_epi32(v[6], v[7]); s[12] = _mm_packs_epi32(v[8], v[9]); s[13] = _mm_packs_epi32(v[10], v[11]); s[14] = _mm_packs_epi32(v[12], v[13]); s[15] = _mm_packs_epi32(v[14], v[15]); // stage 4 u[0] = _mm_unpacklo_epi16(s[2], s[3]); u[1] = _mm_unpackhi_epi16(s[2], s[3]); u[2] = _mm_unpacklo_epi16(s[6], s[7]); u[3] = _mm_unpackhi_epi16(s[6], s[7]); u[4] = _mm_unpacklo_epi16(s[10], s[11]); u[5] = _mm_unpackhi_epi16(s[10], s[11]); u[6] = _mm_unpacklo_epi16(s[14], s[15]); u[7] = _mm_unpackhi_epi16(s[14], s[15]); v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16); v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16); v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16); v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16); v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16); v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16); v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16); v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16); v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16); v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16); v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16); v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16); v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16); v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16); v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16); v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); in[0] = s[0]; in[1] = _mm_sub_epi16(kZero, s[8]); in[2] = s[12]; in[3] = _mm_sub_epi16(kZero, s[4]); in[4] = _mm_packs_epi32(v[4], v[5]); in[5] = _mm_packs_epi32(v[12], v[13]); in[6] = _mm_packs_epi32(v[8], v[9]); in[7] = _mm_packs_epi32(v[0], v[1]); in[8] = _mm_packs_epi32(v[2], v[3]); in[9] = _mm_packs_epi32(v[10], v[11]); in[10] = _mm_packs_epi32(v[14], v[15]); in[11] = _mm_packs_epi32(v[6], v[7]); in[12] = s[5]; in[13] = _mm_sub_epi16(kZero, s[13]); in[14] = s[9]; in[15] = _mm_sub_epi16(kZero, s[1]); } static void fdct16_sse2(__m128i *in0, __m128i *in1) { fdct16_8col(in0); fdct16_8col(in1); array_transpose_16x16(in0, in1); } static void fadst16_sse2(__m128i *in0, __m128i *in1) { fadst16_8col(in0); fadst16_8col(in1); array_transpose_16x16(in0, in1); } #if CONFIG_EXT_TX static void fidtx16_sse2(__m128i *in0, __m128i *in1) { idtx16_8col(in0); idtx16_8col(in1); array_transpose_16x16(in0, in1); } #endif // CONFIG_EXT_TX void av1_fht16x16_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in0[16], in1[16]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif switch (tx_type) { case DCT_DCT: load_buffer_16x16(input, in0, in1, stride, 0, 0); fdct16_sse2(in0, in1); right_shift_16x16(in0, in1); fdct16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case ADST_DCT: load_buffer_16x16(input, in0, in1, stride, 0, 0); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fdct16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case DCT_ADST: load_buffer_16x16(input, in0, in1, stride, 0, 0); fdct16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case ADST_ADST: load_buffer_16x16(input, in0, in1, stride, 0, 0); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_16x16(input, in0, in1, stride, 1, 0); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fdct16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case DCT_FLIPADST: load_buffer_16x16(input, in0, in1, stride, 0, 1); fdct16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case FLIPADST_FLIPADST: load_buffer_16x16(input, in0, in1, stride, 1, 1); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case ADST_FLIPADST: load_buffer_16x16(input, in0, in1, stride, 0, 1); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case FLIPADST_ADST: load_buffer_16x16(input, in0, in1, stride, 1, 0); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case IDTX: load_buffer_16x16(input, in0, in1, stride, 0, 0); fidtx16_sse2(in0, in1); right_shift_16x16(in0, in1); fidtx16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case V_DCT: load_buffer_16x16(input, in0, in1, stride, 0, 0); fdct16_sse2(in0, in1); right_shift_16x16(in0, in1); fidtx16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case H_DCT: load_buffer_16x16(input, in0, in1, stride, 0, 0); fidtx16_sse2(in0, in1); right_shift_16x16(in0, in1); fdct16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case V_ADST: load_buffer_16x16(input, in0, in1, stride, 0, 0); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fidtx16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case H_ADST: load_buffer_16x16(input, in0, in1, stride, 0, 0); fidtx16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case V_FLIPADST: load_buffer_16x16(input, in0, in1, stride, 1, 0); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fidtx16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case H_FLIPADST: load_buffer_16x16(input, in0, in1, stride, 0, 1); fidtx16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; #endif // CONFIG_EXT_TX default: assert(0); break; } } static INLINE void prepare_4x8_row_first(__m128i *in) { in[0] = _mm_unpacklo_epi64(in[0], in[2]); in[1] = _mm_unpacklo_epi64(in[1], in[3]); transpose_4x4(in); in[4] = _mm_unpacklo_epi64(in[4], in[6]); in[5] = _mm_unpacklo_epi64(in[5], in[7]); transpose_4x4(in + 4); } // Load input into the left-hand half of in (ie, into lanes 0..3 of // each element of in). The right hand half (lanes 4..7) should be // treated as being filled with "don't care" values. static INLINE void load_buffer_4x8(const int16_t *input, __m128i *in, int stride, int flipud, int fliplr) { const int shift = 2; if (!flipud) { in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride)); in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride)); in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride)); in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride)); in[4] = _mm_loadl_epi64((const __m128i *)(input + 4 * stride)); in[5] = _mm_loadl_epi64((const __m128i *)(input + 5 * stride)); in[6] = _mm_loadl_epi64((const __m128i *)(input + 6 * stride)); in[7] = _mm_loadl_epi64((const __m128i *)(input + 7 * stride)); } else { in[0] = _mm_loadl_epi64((const __m128i *)(input + 7 * stride)); in[1] = _mm_loadl_epi64((const __m128i *)(input + 6 * stride)); in[2] = _mm_loadl_epi64((const __m128i *)(input + 5 * stride)); in[3] = _mm_loadl_epi64((const __m128i *)(input + 4 * stride)); in[4] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride)); in[5] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride)); in[6] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride)); in[7] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride)); } if (fliplr) { in[0] = _mm_shufflelo_epi16(in[0], 0x1b); in[1] = _mm_shufflelo_epi16(in[1], 0x1b); in[2] = _mm_shufflelo_epi16(in[2], 0x1b); in[3] = _mm_shufflelo_epi16(in[3], 0x1b); in[4] = _mm_shufflelo_epi16(in[4], 0x1b); in[5] = _mm_shufflelo_epi16(in[5], 0x1b); in[6] = _mm_shufflelo_epi16(in[6], 0x1b); in[7] = _mm_shufflelo_epi16(in[7], 0x1b); } in[0] = _mm_slli_epi16(in[0], shift); in[1] = _mm_slli_epi16(in[1], shift); in[2] = _mm_slli_epi16(in[2], shift); in[3] = _mm_slli_epi16(in[3], shift); in[4] = _mm_slli_epi16(in[4], shift); in[5] = _mm_slli_epi16(in[5], shift); in[6] = _mm_slli_epi16(in[6], shift); in[7] = _mm_slli_epi16(in[7], shift); scale_sqrt2_8x4(in); scale_sqrt2_8x4(in + 4); prepare_4x8_row_first(in); } static INLINE void write_buffer_4x8(tran_low_t *output, __m128i *res) { __m128i in01, in23, in45, in67, sign01, sign23, sign45, sign67; const int shift = 1; // revert the 8x8 txfm's transpose array_transpose_8x8(res, res); in01 = _mm_unpacklo_epi64(res[0], res[1]); in23 = _mm_unpacklo_epi64(res[2], res[3]); in45 = _mm_unpacklo_epi64(res[4], res[5]); in67 = _mm_unpacklo_epi64(res[6], res[7]); sign01 = _mm_srai_epi16(in01, 15); sign23 = _mm_srai_epi16(in23, 15); sign45 = _mm_srai_epi16(in45, 15); sign67 = _mm_srai_epi16(in67, 15); in01 = _mm_sub_epi16(in01, sign01); in23 = _mm_sub_epi16(in23, sign23); in45 = _mm_sub_epi16(in45, sign45); in67 = _mm_sub_epi16(in67, sign67); in01 = _mm_srai_epi16(in01, shift); in23 = _mm_srai_epi16(in23, shift); in45 = _mm_srai_epi16(in45, shift); in67 = _mm_srai_epi16(in67, shift); store_output(&in01, (output + 0 * 8)); store_output(&in23, (output + 1 * 8)); store_output(&in45, (output + 2 * 8)); store_output(&in67, (output + 3 * 8)); } void av1_fht4x8_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in[8]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif switch (tx_type) { case DCT_DCT: load_buffer_4x8(input, in, stride, 0, 0); fdct4_sse2(in); fdct4_sse2(in + 4); fdct8_sse2(in); break; case ADST_DCT: load_buffer_4x8(input, in, stride, 0, 0); fdct4_sse2(in); fdct4_sse2(in + 4); fadst8_sse2(in); break; case DCT_ADST: load_buffer_4x8(input, in, stride, 0, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fdct8_sse2(in); break; case ADST_ADST: load_buffer_4x8(input, in, stride, 0, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_4x8(input, in, stride, 1, 0); fdct4_sse2(in); fdct4_sse2(in + 4); fadst8_sse2(in); break; case DCT_FLIPADST: load_buffer_4x8(input, in, stride, 0, 1); fadst4_sse2(in); fadst4_sse2(in + 4); fdct8_sse2(in); break; case FLIPADST_FLIPADST: load_buffer_4x8(input, in, stride, 1, 1); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; case ADST_FLIPADST: load_buffer_4x8(input, in, stride, 0, 1); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; case FLIPADST_ADST: load_buffer_4x8(input, in, stride, 1, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; case IDTX: load_buffer_4x8(input, in, stride, 0, 0); fidtx4_sse2(in); fidtx4_sse2(in + 4); fidtx8_sse2(in); break; case V_DCT: load_buffer_4x8(input, in, stride, 0, 0); fidtx4_sse2(in); fidtx4_sse2(in + 4); fdct8_sse2(in); break; case H_DCT: load_buffer_4x8(input, in, stride, 0, 0); fdct4_sse2(in); fdct4_sse2(in + 4); fidtx8_sse2(in); break; case V_ADST: load_buffer_4x8(input, in, stride, 0, 0); fidtx4_sse2(in); fidtx4_sse2(in + 4); fadst8_sse2(in); break; case H_ADST: load_buffer_4x8(input, in, stride, 0, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fidtx8_sse2(in); break; case V_FLIPADST: load_buffer_4x8(input, in, stride, 1, 0); fidtx4_sse2(in); fidtx4_sse2(in + 4); fadst8_sse2(in); break; case H_FLIPADST: load_buffer_4x8(input, in, stride, 0, 1); fadst4_sse2(in); fadst4_sse2(in + 4); fidtx8_sse2(in); break; #endif default: assert(0); break; } write_buffer_4x8(output, in); } // Load input into the left-hand half of in (ie, into lanes 0..3 of // each element of in). The right hand half (lanes 4..7) should be // treated as being filled with "don't care" values. // The input is split horizontally into two 4x4 // chunks 'l' and 'r'. Then 'l' is stored in the top-left 4x4 // block of 'in' and 'r' is stored in the bottom-left block. // This is to allow us to reuse 4x4 transforms. static INLINE void load_buffer_8x4(const int16_t *input, __m128i *in, int stride, int flipud, int fliplr) { const int shift = 2; if (!flipud) { in[0] = _mm_loadu_si128((const __m128i *)(input + 0 * stride)); in[1] = _mm_loadu_si128((const __m128i *)(input + 1 * stride)); in[2] = _mm_loadu_si128((const __m128i *)(input + 2 * stride)); in[3] = _mm_loadu_si128((const __m128i *)(input + 3 * stride)); } else { in[0] = _mm_loadu_si128((const __m128i *)(input + 3 * stride)); in[1] = _mm_loadu_si128((const __m128i *)(input + 2 * stride)); in[2] = _mm_loadu_si128((const __m128i *)(input + 1 * stride)); in[3] = _mm_loadu_si128((const __m128i *)(input + 0 * stride)); } if (fliplr) { in[0] = mm_reverse_epi16(in[0]); in[1] = mm_reverse_epi16(in[1]); in[2] = mm_reverse_epi16(in[2]); in[3] = mm_reverse_epi16(in[3]); } in[0] = _mm_slli_epi16(in[0], shift); in[1] = _mm_slli_epi16(in[1], shift); in[2] = _mm_slli_epi16(in[2], shift); in[3] = _mm_slli_epi16(in[3], shift); scale_sqrt2_8x4(in); in[4] = _mm_shuffle_epi32(in[0], 0xe); in[5] = _mm_shuffle_epi32(in[1], 0xe); in[6] = _mm_shuffle_epi32(in[2], 0xe); in[7] = _mm_shuffle_epi32(in[3], 0xe); } static INLINE void write_buffer_8x4(tran_low_t *output, __m128i *res) { __m128i out0, out1, out2, out3, sign0, sign1, sign2, sign3; const int shift = 1; sign0 = _mm_srai_epi16(res[0], 15); sign1 = _mm_srai_epi16(res[1], 15); sign2 = _mm_srai_epi16(res[2], 15); sign3 = _mm_srai_epi16(res[3], 15); out0 = _mm_sub_epi16(res[0], sign0); out1 = _mm_sub_epi16(res[1], sign1); out2 = _mm_sub_epi16(res[2], sign2); out3 = _mm_sub_epi16(res[3], sign3); out0 = _mm_srai_epi16(out0, shift); out1 = _mm_srai_epi16(out1, shift); out2 = _mm_srai_epi16(out2, shift); out3 = _mm_srai_epi16(out3, shift); store_output(&out0, (output + 0 * 8)); store_output(&out1, (output + 1 * 8)); store_output(&out2, (output + 2 * 8)); store_output(&out3, (output + 3 * 8)); } void av1_fht8x4_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in[8]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif switch (tx_type) { case DCT_DCT: load_buffer_8x4(input, in, stride, 0, 0); fdct4_sse2(in); fdct4_sse2(in + 4); fdct8_sse2(in); break; case ADST_DCT: load_buffer_8x4(input, in, stride, 0, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fdct8_sse2(in); break; case DCT_ADST: load_buffer_8x4(input, in, stride, 0, 0); fdct4_sse2(in); fdct4_sse2(in + 4); fadst8_sse2(in); break; case ADST_ADST: load_buffer_8x4(input, in, stride, 0, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_8x4(input, in, stride, 1, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fdct8_sse2(in); break; case DCT_FLIPADST: load_buffer_8x4(input, in, stride, 0, 1); fdct4_sse2(in); fdct4_sse2(in + 4); fadst8_sse2(in); break; case FLIPADST_FLIPADST: load_buffer_8x4(input, in, stride, 1, 1); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; case ADST_FLIPADST: load_buffer_8x4(input, in, stride, 0, 1); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; case FLIPADST_ADST: load_buffer_8x4(input, in, stride, 1, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fadst8_sse2(in); break; case IDTX: load_buffer_8x4(input, in, stride, 0, 0); fidtx4_sse2(in); fidtx4_sse2(in + 4); fidtx8_sse2(in); break; case V_DCT: load_buffer_8x4(input, in, stride, 0, 0); fdct4_sse2(in); fdct4_sse2(in + 4); fidtx8_sse2(in); break; case H_DCT: load_buffer_8x4(input, in, stride, 0, 0); fidtx4_sse2(in); fidtx4_sse2(in + 4); fdct8_sse2(in); break; case V_ADST: load_buffer_8x4(input, in, stride, 0, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fidtx8_sse2(in); break; case H_ADST: load_buffer_8x4(input, in, stride, 0, 0); fidtx4_sse2(in); fidtx4_sse2(in + 4); fadst8_sse2(in); break; case V_FLIPADST: load_buffer_8x4(input, in, stride, 1, 0); fadst4_sse2(in); fadst4_sse2(in + 4); fidtx8_sse2(in); break; case H_FLIPADST: load_buffer_8x4(input, in, stride, 0, 1); fidtx4_sse2(in); fidtx4_sse2(in + 4); fadst8_sse2(in); break; #endif default: assert(0); break; } write_buffer_8x4(output, in); } static INLINE void load_buffer_8x16(const int16_t *input, __m128i *in, int stride, int flipud, int fliplr) { // Load 2 8x8 blocks const int16_t *t = input; const int16_t *b = input + 8 * stride; if (flipud) { const int16_t *const tmp = t; t = b; b = tmp; } load_buffer_8x8(t, in, stride, flipud, fliplr); scale_sqrt2_8x8(in); load_buffer_8x8(b, in + 8, stride, flipud, fliplr); scale_sqrt2_8x8(in + 8); } static INLINE void round_power_of_two_signed(__m128i *x, int n) { const __m128i rounding = _mm_set1_epi16((1 << n) >> 1); const __m128i sign = _mm_srai_epi16(*x, 15); const __m128i res = _mm_add_epi16(_mm_add_epi16(*x, rounding), sign); *x = _mm_srai_epi16(res, n); } static void row_8x16_rounding(__m128i *in, int bits) { int i; for (i = 0; i < 16; i++) { round_power_of_two_signed(&in[i], bits); } } void av1_fht8x16_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in[16]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif __m128i *const t = in; // Alias to top 8x8 sub block __m128i *const b = in + 8; // Alias to bottom 8x8 sub block switch (tx_type) { case DCT_DCT: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fdct8_sse2(t); fdct8_sse2(b); row_8x16_rounding(in, 2); fdct16_8col(in); break; case ADST_DCT: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fdct8_sse2(t); fdct8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; case DCT_ADST: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); fdct16_8col(in); break; case ADST_ADST: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_8x16(input, in, stride, 1, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fdct8_sse2(t); fdct8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; case DCT_FLIPADST: load_buffer_8x16(input, in, stride, 0, 1); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); fdct16_8col(in); break; case FLIPADST_FLIPADST: load_buffer_8x16(input, in, stride, 1, 1); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; case ADST_FLIPADST: load_buffer_8x16(input, in, stride, 0, 1); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; case FLIPADST_ADST: load_buffer_8x16(input, in, stride, 1, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; case IDTX: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fidtx8_sse2(t); fidtx8_sse2(b); row_8x16_rounding(in, 2); idtx16_8col(in); break; case V_DCT: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fidtx8_sse2(t); fidtx8_sse2(b); row_8x16_rounding(in, 2); fdct16_8col(in); break; case H_DCT: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fdct8_sse2(t); fdct8_sse2(b); row_8x16_rounding(in, 2); idtx16_8col(in); break; case V_ADST: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fidtx8_sse2(t); fidtx8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; case H_ADST: load_buffer_8x16(input, in, stride, 0, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); idtx16_8col(in); break; case V_FLIPADST: load_buffer_8x16(input, in, stride, 1, 0); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fidtx8_sse2(t); fidtx8_sse2(b); row_8x16_rounding(in, 2); fadst16_8col(in); break; case H_FLIPADST: load_buffer_8x16(input, in, stride, 0, 1); array_transpose_8x8(t, t); array_transpose_8x8(b, b); fadst8_sse2(t); fadst8_sse2(b); row_8x16_rounding(in, 2); idtx16_8col(in); break; #endif default: assert(0); break; } write_buffer_8x8(output, t, 8); write_buffer_8x8(output + 64, b, 8); } static INLINE void load_buffer_16x8(const int16_t *input, __m128i *in, int stride, int flipud, int fliplr) { // Load 2 8x8 blocks const int16_t *l = input; const int16_t *r = input + 8; if (fliplr) { const int16_t *const tmp = l; l = r; r = tmp; } // load first 8 columns load_buffer_8x8(l, in, stride, flipud, fliplr); scale_sqrt2_8x8(in); load_buffer_8x8(r, in + 8, stride, flipud, fliplr); scale_sqrt2_8x8(in + 8); } #define col_16x8_rounding row_8x16_rounding void av1_fht16x8_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in[16]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif __m128i *const l = in; // Alias to left 8x8 sub block __m128i *const r = in + 8; // Alias to right 8x8 sub block, which we store // in the second half of the array switch (tx_type) { case DCT_DCT: load_buffer_16x8(input, in, stride, 0, 0); fdct8_sse2(l); fdct8_sse2(r); col_16x8_rounding(in, 2); fdct16_8col(in); break; case ADST_DCT: load_buffer_16x8(input, in, stride, 0, 0); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); fdct16_8col(in); break; case DCT_ADST: load_buffer_16x8(input, in, stride, 0, 0); fdct8_sse2(l); fdct8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; case ADST_ADST: load_buffer_16x8(input, in, stride, 0, 0); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_16x8(input, in, stride, 1, 0); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); fdct16_8col(in); break; case DCT_FLIPADST: load_buffer_16x8(input, in, stride, 0, 1); fdct8_sse2(l); fdct8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; case FLIPADST_FLIPADST: load_buffer_16x8(input, in, stride, 1, 1); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; case ADST_FLIPADST: load_buffer_16x8(input, in, stride, 0, 1); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; case FLIPADST_ADST: load_buffer_16x8(input, in, stride, 1, 0); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; case IDTX: load_buffer_16x8(input, in, stride, 0, 0); fidtx8_sse2(l); fidtx8_sse2(r); col_16x8_rounding(in, 2); idtx16_8col(in); break; case V_DCT: load_buffer_16x8(input, in, stride, 0, 0); fdct8_sse2(l); fdct8_sse2(r); col_16x8_rounding(in, 2); idtx16_8col(in); break; case H_DCT: load_buffer_16x8(input, in, stride, 0, 0); fidtx8_sse2(l); fidtx8_sse2(r); col_16x8_rounding(in, 2); fdct16_8col(in); break; case V_ADST: load_buffer_16x8(input, in, stride, 0, 0); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); idtx16_8col(in); break; case H_ADST: load_buffer_16x8(input, in, stride, 0, 0); fidtx8_sse2(l); fidtx8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; case V_FLIPADST: load_buffer_16x8(input, in, stride, 1, 0); fadst8_sse2(l); fadst8_sse2(r); col_16x8_rounding(in, 2); idtx16_8col(in); break; case H_FLIPADST: load_buffer_16x8(input, in, stride, 0, 1); fidtx8_sse2(l); fidtx8_sse2(r); col_16x8_rounding(in, 2); fadst16_8col(in); break; #endif default: assert(0); break; } array_transpose_8x8(l, l); array_transpose_8x8(r, r); write_buffer_8x8(output, l, 16); write_buffer_8x8(output + 8, r, 16); } // Note: The 16-column 32-element transforms expect their input to be // split up into a 2x2 grid of 8x16 blocks static INLINE void fdct32_16col(__m128i *tl, __m128i *tr, __m128i *bl, __m128i *br) { fdct32_8col(tl, bl); fdct32_8col(tr, br); array_transpose_16x16(tl, tr); array_transpose_16x16(bl, br); } #if CONFIG_EXT_TX static INLINE void fidtx32_16col(__m128i *tl, __m128i *tr, __m128i *bl, __m128i *br) { int i; for (i = 0; i < 16; ++i) { tl[i] = _mm_slli_epi16(tl[i], 2); tr[i] = _mm_slli_epi16(tr[i], 2); bl[i] = _mm_slli_epi16(bl[i], 2); br[i] = _mm_slli_epi16(br[i], 2); } array_transpose_16x16(tl, tr); array_transpose_16x16(bl, br); } #endif static INLINE void load_buffer_16x32(const int16_t *input, __m128i *intl, __m128i *intr, __m128i *inbl, __m128i *inbr, int stride, int flipud, int fliplr) { int i; if (flipud) { input = input + 31 * stride; stride = -stride; } for (i = 0; i < 16; ++i) { intl[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 0)), 2); intr[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 8)), 2); inbl[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + (i + 16) * stride + 0)), 2); inbr[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + (i + 16) * stride + 8)), 2); } if (fliplr) { __m128i tmp; for (i = 0; i < 16; ++i) { tmp = intl[i]; intl[i] = mm_reverse_epi16(intr[i]); intr[i] = mm_reverse_epi16(tmp); tmp = inbl[i]; inbl[i] = mm_reverse_epi16(inbr[i]); inbr[i] = mm_reverse_epi16(tmp); } } scale_sqrt2_8x16(intl); scale_sqrt2_8x16(intr); scale_sqrt2_8x16(inbl); scale_sqrt2_8x16(inbr); } static INLINE void write_buffer_16x32(tran_low_t *output, __m128i *restl, __m128i *restr, __m128i *resbl, __m128i *resbr) { int i; for (i = 0; i < 16; ++i) { store_output(&restl[i], output + i * 16 + 0); store_output(&restr[i], output + i * 16 + 8); store_output(&resbl[i], output + (i + 16) * 16 + 0); store_output(&resbr[i], output + (i + 16) * 16 + 8); } } static INLINE void round_signed_8x8(__m128i *in, const int bit) { const __m128i rounding = _mm_set1_epi16((1 << bit) >> 1); __m128i sign0 = _mm_srai_epi16(in[0], 15); __m128i sign1 = _mm_srai_epi16(in[1], 15); __m128i sign2 = _mm_srai_epi16(in[2], 15); __m128i sign3 = _mm_srai_epi16(in[3], 15); __m128i sign4 = _mm_srai_epi16(in[4], 15); __m128i sign5 = _mm_srai_epi16(in[5], 15); __m128i sign6 = _mm_srai_epi16(in[6], 15); __m128i sign7 = _mm_srai_epi16(in[7], 15); in[0] = _mm_add_epi16(_mm_add_epi16(in[0], rounding), sign0); in[1] = _mm_add_epi16(_mm_add_epi16(in[1], rounding), sign1); in[2] = _mm_add_epi16(_mm_add_epi16(in[2], rounding), sign2); in[3] = _mm_add_epi16(_mm_add_epi16(in[3], rounding), sign3); in[4] = _mm_add_epi16(_mm_add_epi16(in[4], rounding), sign4); in[5] = _mm_add_epi16(_mm_add_epi16(in[5], rounding), sign5); in[6] = _mm_add_epi16(_mm_add_epi16(in[6], rounding), sign6); in[7] = _mm_add_epi16(_mm_add_epi16(in[7], rounding), sign7); in[0] = _mm_srai_epi16(in[0], bit); in[1] = _mm_srai_epi16(in[1], bit); in[2] = _mm_srai_epi16(in[2], bit); in[3] = _mm_srai_epi16(in[3], bit); in[4] = _mm_srai_epi16(in[4], bit); in[5] = _mm_srai_epi16(in[5], bit); in[6] = _mm_srai_epi16(in[6], bit); in[7] = _mm_srai_epi16(in[7], bit); } static INLINE void round_signed_16x16(__m128i *in0, __m128i *in1) { const int bit = 4; round_signed_8x8(in0, bit); round_signed_8x8(in0 + 8, bit); round_signed_8x8(in1, bit); round_signed_8x8(in1 + 8, bit); } // Note: // suffix "t" indicates the transpose operation comes first static void fdct16t_sse2(__m128i *in0, __m128i *in1) { array_transpose_16x16(in0, in1); fdct16_8col(in0); fdct16_8col(in1); } static void fadst16t_sse2(__m128i *in0, __m128i *in1) { array_transpose_16x16(in0, in1); fadst16_8col(in0); fadst16_8col(in1); } static INLINE void fdct32t_16col(__m128i *tl, __m128i *tr, __m128i *bl, __m128i *br) { array_transpose_16x16(tl, tr); array_transpose_16x16(bl, br); fdct32_8col(tl, bl); fdct32_8col(tr, br); } typedef enum transpose_indicator_ { transpose, no_transpose, } transpose_indicator; static INLINE void fhalfright32_16col(__m128i *tl, __m128i *tr, __m128i *bl, __m128i *br, transpose_indicator t) { __m128i tmpl[16], tmpr[16]; int i; // Copy the bottom half of the input to temporary storage for (i = 0; i < 16; ++i) { tmpl[i] = bl[i]; tmpr[i] = br[i]; } // Generate the bottom half of the output for (i = 0; i < 16; ++i) { bl[i] = _mm_slli_epi16(tl[i], 2); br[i] = _mm_slli_epi16(tr[i], 2); } array_transpose_16x16(bl, br); // Copy the temporary storage back to the top half of the input for (i = 0; i < 16; ++i) { tl[i] = tmpl[i]; tr[i] = tmpr[i]; } // Generate the top half of the output scale_sqrt2_8x16(tl); scale_sqrt2_8x16(tr); if (t == transpose) fdct16t_sse2(tl, tr); else fdct16_sse2(tl, tr); } // Note on data layout, for both this and the 32x16 transforms: // So that we can reuse the 16-element transforms easily, // we want to split the input into 8x16 blocks. // For 16x32, this means the input is a 2x2 grid of such blocks. // For 32x16, it means the input is a 4x1 grid. void av1_fht16x32_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i intl[16], intr[16], inbl[16], inbr[16]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif switch (tx_type) { case DCT_DCT: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fdct16t_sse2(intl, intr); fdct16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fdct32t_16col(intl, intr, inbl, inbr); break; case ADST_DCT: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fdct16t_sse2(intl, intr); fdct16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; case DCT_ADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fdct32t_16col(intl, intr, inbl, inbr); break; case ADST_ADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 1, 0); fdct16t_sse2(intl, intr); fdct16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; case DCT_FLIPADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 1); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fdct32t_16col(intl, intr, inbl, inbr); break; case FLIPADST_FLIPADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 1, 1); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; case ADST_FLIPADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 1); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; case FLIPADST_ADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 1, 0); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; case IDTX: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fidtx16_sse2(intl, intr); fidtx16_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fidtx32_16col(intl, intr, inbl, inbr); break; case V_DCT: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fidtx16_sse2(intl, intr); fidtx16_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fdct32t_16col(intl, intr, inbl, inbr); break; case H_DCT: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fdct16t_sse2(intl, intr); fdct16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fidtx32_16col(intl, intr, inbl, inbr); break; case V_ADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fidtx16_sse2(intl, intr); fidtx16_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; case H_ADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 0); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fidtx32_16col(intl, intr, inbl, inbr); break; case V_FLIPADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 1, 0); fidtx16_sse2(intl, intr); fidtx16_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fhalfright32_16col(intl, intr, inbl, inbr, transpose); break; case H_FLIPADST: load_buffer_16x32(input, intl, intr, inbl, inbr, stride, 0, 1); fadst16t_sse2(intl, intr); fadst16t_sse2(inbl, inbr); round_signed_16x16(intl, intr); round_signed_16x16(inbl, inbr); fidtx32_16col(intl, intr, inbl, inbr); break; #endif default: assert(0); break; } write_buffer_16x32(output, intl, intr, inbl, inbr); } static INLINE void load_buffer_32x16(const int16_t *input, __m128i *in0, __m128i *in1, __m128i *in2, __m128i *in3, int stride, int flipud, int fliplr) { int i; if (flipud) { input += 15 * stride; stride = -stride; } for (i = 0; i < 16; ++i) { in0[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 0)), 2); in1[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 8)), 2); in2[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 16)), 2); in3[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 24)), 2); } if (fliplr) { for (i = 0; i < 16; ++i) { __m128i tmp1 = in0[i]; __m128i tmp2 = in1[i]; in0[i] = mm_reverse_epi16(in3[i]); in1[i] = mm_reverse_epi16(in2[i]); in2[i] = mm_reverse_epi16(tmp2); in3[i] = mm_reverse_epi16(tmp1); } } scale_sqrt2_8x16(in0); scale_sqrt2_8x16(in1); scale_sqrt2_8x16(in2); scale_sqrt2_8x16(in3); } static INLINE void write_buffer_32x16(tran_low_t *output, __m128i *res0, __m128i *res1, __m128i *res2, __m128i *res3) { int i; for (i = 0; i < 16; ++i) { store_output(&res0[i], output + i * 32 + 0); store_output(&res1[i], output + i * 32 + 8); store_output(&res2[i], output + i * 32 + 16); store_output(&res3[i], output + i * 32 + 24); } } void av1_fht32x16_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in0[16], in1[16], in2[16], in3[16]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "Invalid tx type for tx size"); #endif load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 0); switch (tx_type) { case DCT_DCT: fdct16_sse2(in0, in1); fdct16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fdct32_16col(in0, in1, in2, in3); break; case ADST_DCT: fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fdct32_16col(in0, in1, in2, in3); break; case DCT_ADST: fdct16_sse2(in0, in1); fdct16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; case ADST_ADST: fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_32x16(input, in0, in1, in2, in3, stride, 1, 0); fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fdct32_16col(in0, in1, in2, in3); break; case DCT_FLIPADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 1); fdct16_sse2(in0, in1); fdct16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; case FLIPADST_FLIPADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 1, 1); fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; case ADST_FLIPADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 1); fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; case FLIPADST_ADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 1, 0); fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; case IDTX: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 0); fidtx16_sse2(in0, in1); fidtx16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fidtx32_16col(in0, in1, in2, in3); break; case V_DCT: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 0); fdct16_sse2(in0, in1); fdct16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fidtx32_16col(in0, in1, in2, in3); break; case H_DCT: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 0); fidtx16_sse2(in0, in1); fidtx16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fdct32_16col(in0, in1, in2, in3); break; case V_ADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 0); fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fidtx32_16col(in0, in1, in2, in3); break; case H_ADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 0); fidtx16_sse2(in0, in1); fidtx16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; case V_FLIPADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 1, 0); fadst16_sse2(in0, in1); fadst16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fidtx32_16col(in0, in1, in2, in3); break; case H_FLIPADST: load_buffer_32x16(input, in0, in1, in2, in3, stride, 0, 1); fidtx16_sse2(in0, in1); fidtx16_sse2(in2, in3); round_signed_16x16(in0, in1); round_signed_16x16(in2, in3); fhalfright32_16col(in0, in1, in2, in3, no_transpose); break; #endif default: assert(0); break; } write_buffer_32x16(output, in0, in1, in2, in3); } // Note: // 32x32 hybrid fwd txfm // 4x2 grids of 8x16 block. Each block is represented by __m128i in[16] static INLINE void load_buffer_32x32(const int16_t *input, __m128i *in0 /*in0[32]*/, __m128i *in1 /*in1[32]*/, __m128i *in2 /*in2[32]*/, __m128i *in3 /*in3[32]*/, int stride, int flipud, int fliplr) { if (flipud) { input += 31 * stride; stride = -stride; } int i; for (i = 0; i < 32; ++i) { in0[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 0)), 2); in1[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 8)), 2); in2[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 16)), 2); in3[i] = _mm_slli_epi16( _mm_load_si128((const __m128i *)(input + i * stride + 24)), 2); } if (fliplr) { for (i = 0; i < 32; ++i) { __m128i tmp1 = in0[i]; __m128i tmp2 = in1[i]; in0[i] = mm_reverse_epi16(in3[i]); in1[i] = mm_reverse_epi16(in2[i]); in2[i] = mm_reverse_epi16(tmp2); in3[i] = mm_reverse_epi16(tmp1); } } } static INLINE void swap_16x16(__m128i *b0l /*b0l[16]*/, __m128i *b0r /*b0r[16]*/, __m128i *b1l /*b1l[16]*/, __m128i *b1r /*b1r[16]*/) { int i; for (i = 0; i < 16; ++i) { __m128i tmp0 = b1l[i]; __m128i tmp1 = b1r[i]; b1l[i] = b0l[i]; b1r[i] = b0r[i]; b0l[i] = tmp0; b0r[i] = tmp1; } } static INLINE void fdct32(__m128i *in0, __m128i *in1, __m128i *in2, __m128i *in3) { fdct32_8col(in0, &in0[16]); fdct32_8col(in1, &in1[16]); fdct32_8col(in2, &in2[16]); fdct32_8col(in3, &in3[16]); array_transpose_16x16(in0, in1); array_transpose_16x16(&in0[16], &in1[16]); array_transpose_16x16(in2, in3); array_transpose_16x16(&in2[16], &in3[16]); swap_16x16(&in0[16], &in1[16], in2, in3); } static INLINE void fhalfright32(__m128i *in0, __m128i *in1, __m128i *in2, __m128i *in3) { fhalfright32_16col(in0, in1, &in0[16], &in1[16], no_transpose); fhalfright32_16col(in2, in3, &in2[16], &in3[16], no_transpose); swap_16x16(&in0[16], &in1[16], in2, in3); } #if CONFIG_EXT_TX static INLINE void fidtx32(__m128i *in0, __m128i *in1, __m128i *in2, __m128i *in3) { fidtx32_16col(in0, in1, &in0[16], &in1[16]); fidtx32_16col(in2, in3, &in2[16], &in3[16]); swap_16x16(&in0[16], &in1[16], in2, in3); } #endif static INLINE void round_signed_32x32(__m128i *in0, __m128i *in1, __m128i *in2, __m128i *in3) { round_signed_16x16(in0, in1); round_signed_16x16(&in0[16], &in1[16]); round_signed_16x16(in2, in3); round_signed_16x16(&in2[16], &in3[16]); } static INLINE void write_buffer_32x32(__m128i *in0, __m128i *in1, __m128i *in2, __m128i *in3, tran_low_t *output) { int i; for (i = 0; i < 32; ++i) { store_output(&in0[i], output + i * 32 + 0); store_output(&in1[i], output + i * 32 + 8); store_output(&in2[i], output + i * 32 + 16); store_output(&in3[i], output + i * 32 + 24); } } void av1_fht32x32_sse2(const int16_t *input, tran_low_t *output, int stride, TxfmParam *txfm_param) { __m128i in0[32], in1[32], in2[32], in3[32]; const TX_TYPE tx_type = txfm_param->tx_type; #if CONFIG_MRC_TX assert(tx_type != MRC_DCT && "No 32x32 sse2 MRC_DCT implementation"); #endif load_buffer_32x32(input, in0, in1, in2, in3, stride, 0, 0); switch (tx_type) { case DCT_DCT: fdct32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fdct32(in0, in1, in2, in3); break; case ADST_DCT: fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fdct32(in0, in1, in2, in3); break; case DCT_ADST: fdct32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; case ADST_ADST: fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; #if CONFIG_EXT_TX case FLIPADST_DCT: load_buffer_32x32(input, in0, in1, in2, in3, stride, 1, 0); fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fdct32(in0, in1, in2, in3); break; case DCT_FLIPADST: load_buffer_32x32(input, in0, in1, in2, in3, stride, 0, 1); fdct32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; case FLIPADST_FLIPADST: load_buffer_32x32(input, in0, in1, in2, in3, stride, 1, 1); fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; case ADST_FLIPADST: load_buffer_32x32(input, in0, in1, in2, in3, stride, 0, 1); fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; case FLIPADST_ADST: load_buffer_32x32(input, in0, in1, in2, in3, stride, 1, 0); fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; case IDTX: fidtx32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fidtx32(in0, in1, in2, in3); break; case V_DCT: fdct32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fidtx32(in0, in1, in2, in3); break; case H_DCT: fidtx32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fdct32(in0, in1, in2, in3); break; case V_ADST: fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fidtx32(in0, in1, in2, in3); break; case H_ADST: fidtx32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; case V_FLIPADST: load_buffer_32x32(input, in0, in1, in2, in3, stride, 1, 0); fhalfright32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fidtx32(in0, in1, in2, in3); break; case H_FLIPADST: load_buffer_32x32(input, in0, in1, in2, in3, stride, 0, 1); fidtx32(in0, in1, in2, in3); round_signed_32x32(in0, in1, in2, in3); fhalfright32(in0, in1, in2, in3); break; #endif default: assert(0); } write_buffer_32x32(in0, in1, in2, in3, output); }