| /* |
| * Copyright (c) 2018, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "av1/common/av1_inv_txfm1d_cfg.h" |
| #include "av1/common/x86/av1_inv_txfm_ssse3.h" |
| #include "av1/common/x86/av1_txfm_sse2.h" |
| |
| // TODO(venkatsanampudi@ittiam.com): move this to header file |
| |
| // Sqrt2, Sqrt2^2, Sqrt2^3, Sqrt2^4, Sqrt2^5 |
| static int32_t NewSqrt2list[TX_SIZES] = { 5793, 2 * 4096, 2 * 5793, 4 * 4096, |
| 4 * 5793 }; |
| |
| // TODO(binpengsmail@gmail.com): replace some for loop with do {} while |
| |
| static void idct4_sse2(const __m128i *input, __m128i *output, int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| |
| // stage 1 |
| __m128i x[4]; |
| x[0] = input[0]; |
| x[1] = input[2]; |
| x[2] = input[1]; |
| x[3] = input[3]; |
| |
| // stage 2 |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[0], x[1], x[0], x[1]); |
| btf_16_sse2(cospi_p48_m16, cospi_p16_p48, x[2], x[3], x[2], x[3]); |
| |
| // stage 3 |
| btf_16_adds_subs_out_sse2(output[0], output[3], x[0], x[3]); |
| btf_16_adds_subs_out_sse2(output[1], output[2], x[1], x[2]); |
| } |
| |
| static void idct4_w4_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| |
| // stage 1 |
| __m128i x[4]; |
| x[0] = input[0]; |
| x[1] = input[2]; |
| x[2] = input[1]; |
| x[3] = input[3]; |
| |
| // stage 2 |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[0], x[1], x[0], x[1]); |
| btf_16_4p_sse2(cospi_p48_m16, cospi_p16_p48, x[2], x[3], x[2], x[3]); |
| |
| // stage 3 |
| btf_16_adds_subs_out_sse2(output[0], output[3], x[0], x[3]); |
| btf_16_adds_subs_out_sse2(output[1], output[2], x[1], x[2]); |
| } |
| |
| static void idct8_low1_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| |
| // stage 1 |
| __m128i x[2]; |
| x[0] = input[0]; |
| |
| // stage 2 |
| // stage 3 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| |
| // stage 4 |
| // stage 5 |
| output[0] = x[0]; |
| output[7] = x[0]; |
| output[1] = x[1]; |
| output[6] = x[1]; |
| output[2] = x[1]; |
| output[5] = x[1]; |
| output[3] = x[0]; |
| output[4] = x[0]; |
| } |
| |
| static void idct8_sse2(const __m128i *input, __m128i *output, int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]); |
| const __m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| |
| // stage 1 |
| __m128i x[8]; |
| x[0] = input[0]; |
| x[1] = input[4]; |
| x[2] = input[2]; |
| x[3] = input[6]; |
| x[4] = input[1]; |
| x[5] = input[5]; |
| x[6] = input[3]; |
| x[7] = input[7]; |
| |
| // stage 2 |
| btf_16_sse2(cospi_p56_m08, cospi_p08_p56, x[4], x[7], x[4], x[7]); |
| btf_16_sse2(cospi_p24_m40, cospi_p40_p24, x[5], x[6], x[5], x[6]); |
| |
| // stage 3 |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[0], x[1], x[0], x[1]); |
| btf_16_sse2(cospi_p48_m16, cospi_p16_p48, x[2], x[3], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_subs_adds_sse2(x[7], x[6]); |
| |
| // stage 4 |
| btf_16_adds_subs_sse2(x[0], x[3]); |
| btf_16_adds_subs_sse2(x[1], x[2]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[5], x[6], x[5], x[6]); |
| |
| // stage 5 |
| btf_16_adds_subs_out_sse2(output[0], output[7], x[0], x[7]); |
| btf_16_adds_subs_out_sse2(output[1], output[6], x[1], x[6]); |
| btf_16_adds_subs_out_sse2(output[2], output[5], x[2], x[5]); |
| btf_16_adds_subs_out_sse2(output[3], output[4], x[3], x[4]); |
| } |
| |
| static void idct8_w4_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]); |
| const __m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| |
| // stage 1 |
| __m128i x[8]; |
| x[0] = input[0]; |
| x[1] = input[4]; |
| x[2] = input[2]; |
| x[3] = input[6]; |
| x[4] = input[1]; |
| x[5] = input[5]; |
| x[6] = input[3]; |
| x[7] = input[7]; |
| |
| // stage 2 |
| btf_16_4p_sse2(cospi_p56_m08, cospi_p08_p56, x[4], x[7], x[4], x[7]); |
| btf_16_4p_sse2(cospi_p24_m40, cospi_p40_p24, x[5], x[6], x[5], x[6]); |
| |
| // stage 3 |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[0], x[1], x[0], x[1]); |
| btf_16_4p_sse2(cospi_p48_m16, cospi_p16_p48, x[2], x[3], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_subs_adds_sse2(x[7], x[6]); |
| |
| // stage 4 |
| btf_16_adds_subs_sse2(x[0], x[3]); |
| btf_16_adds_subs_sse2(x[1], x[2]); |
| btf_16_4p_sse2(cospi_m32_p32, cospi_p32_p32, x[5], x[6], x[5], x[6]); |
| |
| // stage 5 |
| btf_16_adds_subs_out_sse2(output[0], output[7], x[0], x[7]); |
| btf_16_adds_subs_out_sse2(output[1], output[6], x[1], x[6]); |
| btf_16_adds_subs_out_sse2(output[2], output[5], x[2], x[5]); |
| btf_16_adds_subs_out_sse2(output[3], output[4], x[3], x[4]); |
| } |
| |
| static INLINE void idct16_stage5_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| btf_16_adds_subs_sse2(x[0], x[3]); |
| btf_16_adds_subs_sse2(x[1], x[2]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[11]); |
| btf_16_adds_subs_sse2(x[9], x[10]); |
| btf_16_subs_adds_sse2(x[15], x[12]); |
| btf_16_subs_adds_sse2(x[14], x[13]); |
| } |
| |
| static INLINE void idct16_stage6_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| btf_16_adds_subs_sse2(x[0], x[7]); |
| btf_16_adds_subs_sse2(x[1], x[6]); |
| btf_16_adds_subs_sse2(x[2], x[5]); |
| btf_16_adds_subs_sse2(x[3], x[4]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[10], x[13], x[10], x[13]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[11], x[12], x[11], x[12]); |
| } |
| |
| static INLINE void idct16_stage7_sse2(__m128i *output, __m128i *x) { |
| btf_16_adds_subs_out_sse2(output[0], output[15], x[0], x[15]); |
| btf_16_adds_subs_out_sse2(output[1], output[14], x[1], x[14]); |
| btf_16_adds_subs_out_sse2(output[2], output[13], x[2], x[13]); |
| btf_16_adds_subs_out_sse2(output[3], output[12], x[3], x[12]); |
| btf_16_adds_subs_out_sse2(output[4], output[11], x[4], x[11]); |
| btf_16_adds_subs_out_sse2(output[5], output[10], x[5], x[10]); |
| btf_16_adds_subs_out_sse2(output[6], output[9], x[6], x[9]); |
| btf_16_adds_subs_out_sse2(output[7], output[8], x[7], x[8]); |
| } |
| |
| static void idct16_low1_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| |
| // stage 1 |
| __m128i x[2]; |
| x[0] = input[0]; |
| |
| // stage 2 |
| // stage 3 |
| // stage 4 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| |
| // stage 5 |
| // stage 6 |
| // stage 7 |
| output[0] = x[0]; |
| output[15] = x[0]; |
| output[1] = x[1]; |
| output[14] = x[1]; |
| output[2] = x[1]; |
| output[13] = x[1]; |
| output[3] = x[0]; |
| output[12] = x[0]; |
| output[4] = x[0]; |
| output[11] = x[0]; |
| output[5] = x[1]; |
| output[10] = x[1]; |
| output[6] = x[1]; |
| output[9] = x[1]; |
| output[7] = x[0]; |
| output[8] = x[0]; |
| } |
| |
| static void idct16_low8_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| |
| // stage 1 |
| __m128i x[16]; |
| x[0] = input[0]; |
| x[2] = input[4]; |
| x[4] = input[2]; |
| x[6] = input[6]; |
| x[8] = input[1]; |
| x[10] = input[5]; |
| x[12] = input[3]; |
| x[14] = input[7]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[60], cospi[4], x[8], x[8], x[15]); |
| btf_16_ssse3(-cospi[36], cospi[28], x[14], x[9], x[14]); |
| btf_16_ssse3(cospi[44], cospi[20], x[10], x[10], x[13]); |
| btf_16_ssse3(-cospi[52], cospi[12], x[12], x[11], x[12]); |
| |
| // stage 3 |
| btf_16_ssse3(cospi[56], cospi[8], x[4], x[4], x[7]); |
| btf_16_ssse3(-cospi[40], cospi[24], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[9]); |
| btf_16_subs_adds_sse2(x[11], x[10]); |
| btf_16_adds_subs_sse2(x[12], x[13]); |
| btf_16_subs_adds_sse2(x[15], x[14]); |
| |
| // stage 4 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| btf_16_ssse3(cospi[48], cospi[16], x[2], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_subs_adds_sse2(x[7], x[6]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[9], x[14], x[9], x[14]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[10], x[13], x[10], x[13]); |
| |
| idct16_stage5_sse2(x, cospi, __rounding, cos_bit); |
| idct16_stage6_sse2(x, cospi, __rounding, cos_bit); |
| idct16_stage7_sse2(output, x); |
| } |
| |
| static void idct16_sse2(const __m128i *input, __m128i *output, int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p60_m04 = pair_set_epi16(cospi[60], -cospi[4]); |
| const __m128i cospi_p04_p60 = pair_set_epi16(cospi[4], cospi[60]); |
| const __m128i cospi_p28_m36 = pair_set_epi16(cospi[28], -cospi[36]); |
| const __m128i cospi_p36_p28 = pair_set_epi16(cospi[36], cospi[28]); |
| const __m128i cospi_p44_m20 = pair_set_epi16(cospi[44], -cospi[20]); |
| const __m128i cospi_p20_p44 = pair_set_epi16(cospi[20], cospi[44]); |
| const __m128i cospi_p12_m52 = pair_set_epi16(cospi[12], -cospi[52]); |
| const __m128i cospi_p52_p12 = pair_set_epi16(cospi[52], cospi[12]); |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]); |
| const __m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| |
| // stage 1 |
| __m128i x[16]; |
| x[0] = input[0]; |
| x[1] = input[8]; |
| x[2] = input[4]; |
| x[3] = input[12]; |
| x[4] = input[2]; |
| x[5] = input[10]; |
| x[6] = input[6]; |
| x[7] = input[14]; |
| x[8] = input[1]; |
| x[9] = input[9]; |
| x[10] = input[5]; |
| x[11] = input[13]; |
| x[12] = input[3]; |
| x[13] = input[11]; |
| x[14] = input[7]; |
| x[15] = input[15]; |
| |
| // stage 2 |
| btf_16_sse2(cospi_p60_m04, cospi_p04_p60, x[8], x[15], x[8], x[15]); |
| btf_16_sse2(cospi_p28_m36, cospi_p36_p28, x[9], x[14], x[9], x[14]); |
| btf_16_sse2(cospi_p44_m20, cospi_p20_p44, x[10], x[13], x[10], x[13]); |
| btf_16_sse2(cospi_p12_m52, cospi_p52_p12, x[11], x[12], x[11], x[12]); |
| |
| // stage 3 |
| btf_16_sse2(cospi_p56_m08, cospi_p08_p56, x[4], x[7], x[4], x[7]); |
| btf_16_sse2(cospi_p24_m40, cospi_p40_p24, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[9]); |
| btf_16_subs_adds_sse2(x[11], x[10]); |
| btf_16_adds_subs_sse2(x[12], x[13]); |
| btf_16_subs_adds_sse2(x[15], x[14]); |
| |
| // stage 4 |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[0], x[1], x[0], x[1]); |
| btf_16_sse2(cospi_p48_m16, cospi_p16_p48, x[2], x[3], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_subs_adds_sse2(x[7], x[6]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[9], x[14], x[9], x[14]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[10], x[13], x[10], x[13]); |
| |
| // stage 5~7 |
| idct16_stage5_sse2(x, cospi, __rounding, cos_bit); |
| idct16_stage6_sse2(x, cospi, __rounding, cos_bit); |
| idct16_stage7_sse2(output, x); |
| } |
| |
| static void idct16_w4_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p60_m04 = pair_set_epi16(cospi[60], -cospi[4]); |
| const __m128i cospi_p04_p60 = pair_set_epi16(cospi[4], cospi[60]); |
| const __m128i cospi_p28_m36 = pair_set_epi16(cospi[28], -cospi[36]); |
| const __m128i cospi_p36_p28 = pair_set_epi16(cospi[36], cospi[28]); |
| const __m128i cospi_p44_m20 = pair_set_epi16(cospi[44], -cospi[20]); |
| const __m128i cospi_p20_p44 = pair_set_epi16(cospi[20], cospi[44]); |
| const __m128i cospi_p12_m52 = pair_set_epi16(cospi[12], -cospi[52]); |
| const __m128i cospi_p52_p12 = pair_set_epi16(cospi[52], cospi[12]); |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]); |
| const __m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| |
| // stage 1 |
| __m128i x[16]; |
| x[0] = input[0]; |
| x[1] = input[8]; |
| x[2] = input[4]; |
| x[3] = input[12]; |
| x[4] = input[2]; |
| x[5] = input[10]; |
| x[6] = input[6]; |
| x[7] = input[14]; |
| x[8] = input[1]; |
| x[9] = input[9]; |
| x[10] = input[5]; |
| x[11] = input[13]; |
| x[12] = input[3]; |
| x[13] = input[11]; |
| x[14] = input[7]; |
| x[15] = input[15]; |
| |
| // stage 2 |
| btf_16_4p_sse2(cospi_p60_m04, cospi_p04_p60, x[8], x[15], x[8], x[15]); |
| btf_16_4p_sse2(cospi_p28_m36, cospi_p36_p28, x[9], x[14], x[9], x[14]); |
| btf_16_4p_sse2(cospi_p44_m20, cospi_p20_p44, x[10], x[13], x[10], x[13]); |
| btf_16_4p_sse2(cospi_p12_m52, cospi_p52_p12, x[11], x[12], x[11], x[12]); |
| |
| // stage 3 |
| btf_16_4p_sse2(cospi_p56_m08, cospi_p08_p56, x[4], x[7], x[4], x[7]); |
| btf_16_4p_sse2(cospi_p24_m40, cospi_p40_p24, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[9]); |
| btf_16_subs_adds_sse2(x[11], x[10]); |
| btf_16_adds_subs_sse2(x[12], x[13]); |
| btf_16_subs_adds_sse2(x[15], x[14]); |
| |
| // stage 4 |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[0], x[1], x[0], x[1]); |
| btf_16_4p_sse2(cospi_p48_m16, cospi_p16_p48, x[2], x[3], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_subs_adds_sse2(x[7], x[6]); |
| btf_16_4p_sse2(cospi_m16_p48, cospi_p48_p16, x[9], x[14], x[9], x[14]); |
| btf_16_4p_sse2(cospi_m48_m16, cospi_m16_p48, x[10], x[13], x[10], x[13]); |
| |
| // stage 5 |
| btf_16_adds_subs_sse2(x[0], x[3]); |
| btf_16_adds_subs_sse2(x[1], x[2]); |
| btf_16_4p_sse2(cospi_m32_p32, cospi_p32_p32, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[11]); |
| btf_16_adds_subs_sse2(x[9], x[10]); |
| btf_16_subs_adds_sse2(x[15], x[12]); |
| btf_16_subs_adds_sse2(x[14], x[13]); |
| |
| // stage 6 |
| btf_16_adds_subs_sse2(x[0], x[7]); |
| btf_16_adds_subs_sse2(x[1], x[6]); |
| btf_16_adds_subs_sse2(x[2], x[5]); |
| btf_16_adds_subs_sse2(x[3], x[4]); |
| btf_16_4p_sse2(cospi_m32_p32, cospi_p32_p32, x[10], x[13], x[10], x[13]); |
| btf_16_4p_sse2(cospi_m32_p32, cospi_p32_p32, x[11], x[12], x[11], x[12]); |
| |
| // stage 7 |
| idct16_stage7_sse2(output, x); |
| } |
| |
| static INLINE void idct32_high16_stage3_sse2(__m128i *x) { |
| btf_16_adds_subs_sse2(x[16], x[17]); |
| btf_16_subs_adds_sse2(x[19], x[18]); |
| btf_16_adds_subs_sse2(x[20], x[21]); |
| btf_16_subs_adds_sse2(x[23], x[22]); |
| btf_16_adds_subs_sse2(x[24], x[25]); |
| btf_16_subs_adds_sse2(x[27], x[26]); |
| btf_16_adds_subs_sse2(x[28], x[29]); |
| btf_16_subs_adds_sse2(x[31], x[30]); |
| } |
| |
| static INLINE void idct32_high16_stage4_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m08_p56 = pair_set_epi16(-cospi[8], cospi[56]); |
| const __m128i cospi_p56_p08 = pair_set_epi16(cospi[56], cospi[8]); |
| const __m128i cospi_m56_m08 = pair_set_epi16(-cospi[56], -cospi[8]); |
| const __m128i cospi_m40_p24 = pair_set_epi16(-cospi[40], cospi[24]); |
| const __m128i cospi_p24_p40 = pair_set_epi16(cospi[24], cospi[40]); |
| const __m128i cospi_m24_m40 = pair_set_epi16(-cospi[24], -cospi[40]); |
| btf_16_sse2(cospi_m08_p56, cospi_p56_p08, x[17], x[30], x[17], x[30]); |
| btf_16_sse2(cospi_m56_m08, cospi_m08_p56, x[18], x[29], x[18], x[29]); |
| btf_16_sse2(cospi_m40_p24, cospi_p24_p40, x[21], x[26], x[21], x[26]); |
| btf_16_sse2(cospi_m24_m40, cospi_m40_p24, x[22], x[25], x[22], x[25]); |
| } |
| |
| static INLINE void idct32_high24_stage5_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[9], x[14], x[9], x[14]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[10], x[13], x[10], x[13]); |
| btf_16_adds_subs_sse2(x[16], x[19]); |
| btf_16_adds_subs_sse2(x[17], x[18]); |
| btf_16_subs_adds_sse2(x[23], x[20]); |
| btf_16_subs_adds_sse2(x[22], x[21]); |
| btf_16_adds_subs_sse2(x[24], x[27]); |
| btf_16_adds_subs_sse2(x[25], x[26]); |
| btf_16_subs_adds_sse2(x[31], x[28]); |
| btf_16_subs_adds_sse2(x[30], x[29]); |
| } |
| |
| static INLINE void idct32_high28_stage6_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[11]); |
| btf_16_adds_subs_sse2(x[9], x[10]); |
| btf_16_subs_adds_sse2(x[15], x[12]); |
| btf_16_subs_adds_sse2(x[14], x[13]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[18], x[29], x[18], x[29]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[19], x[28], x[19], x[28]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[20], x[27], x[20], x[27]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[21], x[26], x[21], x[26]); |
| } |
| |
| static INLINE void idct32_stage7_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| btf_16_adds_subs_sse2(x[0], x[7]); |
| btf_16_adds_subs_sse2(x[1], x[6]); |
| btf_16_adds_subs_sse2(x[2], x[5]); |
| btf_16_adds_subs_sse2(x[3], x[4]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[10], x[13], x[10], x[13]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[11], x[12], x[11], x[12]); |
| btf_16_adds_subs_sse2(x[16], x[23]); |
| btf_16_adds_subs_sse2(x[17], x[22]); |
| btf_16_adds_subs_sse2(x[18], x[21]); |
| btf_16_adds_subs_sse2(x[19], x[20]); |
| btf_16_subs_adds_sse2(x[31], x[24]); |
| btf_16_subs_adds_sse2(x[30], x[25]); |
| btf_16_subs_adds_sse2(x[29], x[26]); |
| btf_16_subs_adds_sse2(x[28], x[27]); |
| } |
| |
| static INLINE void idct32_stage8_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| btf_16_adds_subs_sse2(x[0], x[15]); |
| btf_16_adds_subs_sse2(x[1], x[14]); |
| btf_16_adds_subs_sse2(x[2], x[13]); |
| btf_16_adds_subs_sse2(x[3], x[12]); |
| btf_16_adds_subs_sse2(x[4], x[11]); |
| btf_16_adds_subs_sse2(x[5], x[10]); |
| btf_16_adds_subs_sse2(x[6], x[9]); |
| btf_16_adds_subs_sse2(x[7], x[8]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[20], x[27], x[20], x[27]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[21], x[26], x[21], x[26]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[22], x[25], x[22], x[25]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[23], x[24], x[23], x[24]); |
| } |
| |
| static INLINE void idct32_stage9_sse2(__m128i *output, __m128i *x) { |
| btf_16_adds_subs_out_sse2(output[0], output[31], x[0], x[31]); |
| btf_16_adds_subs_out_sse2(output[1], output[30], x[1], x[30]); |
| btf_16_adds_subs_out_sse2(output[2], output[29], x[2], x[29]); |
| btf_16_adds_subs_out_sse2(output[3], output[28], x[3], x[28]); |
| btf_16_adds_subs_out_sse2(output[4], output[27], x[4], x[27]); |
| btf_16_adds_subs_out_sse2(output[5], output[26], x[5], x[26]); |
| btf_16_adds_subs_out_sse2(output[6], output[25], x[6], x[25]); |
| btf_16_adds_subs_out_sse2(output[7], output[24], x[7], x[24]); |
| btf_16_adds_subs_out_sse2(output[8], output[23], x[8], x[23]); |
| btf_16_adds_subs_out_sse2(output[9], output[22], x[9], x[22]); |
| btf_16_adds_subs_out_sse2(output[10], output[21], x[10], x[21]); |
| btf_16_adds_subs_out_sse2(output[11], output[20], x[11], x[20]); |
| btf_16_adds_subs_out_sse2(output[12], output[19], x[12], x[19]); |
| btf_16_adds_subs_out_sse2(output[13], output[18], x[13], x[18]); |
| btf_16_adds_subs_out_sse2(output[14], output[17], x[14], x[17]); |
| btf_16_adds_subs_out_sse2(output[15], output[16], x[15], x[16]); |
| } |
| |
| static void idct32_low1_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| |
| // stage 1 |
| __m128i x[2]; |
| x[0] = input[0]; |
| |
| // stage 2 |
| // stage 3 |
| // stage 4 |
| // stage 5 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| |
| // stage 6 |
| // stage 7 |
| // stage 8 |
| // stage 9 |
| output[0] = x[0]; |
| output[31] = x[0]; |
| output[1] = x[1]; |
| output[30] = x[1]; |
| output[2] = x[1]; |
| output[29] = x[1]; |
| output[3] = x[0]; |
| output[28] = x[0]; |
| output[4] = x[0]; |
| output[27] = x[0]; |
| output[5] = x[1]; |
| output[26] = x[1]; |
| output[6] = x[1]; |
| output[25] = x[1]; |
| output[7] = x[0]; |
| output[24] = x[0]; |
| output[8] = x[0]; |
| output[23] = x[0]; |
| output[9] = x[1]; |
| output[22] = x[1]; |
| output[10] = x[1]; |
| output[21] = x[1]; |
| output[11] = x[0]; |
| output[20] = x[0]; |
| output[12] = x[0]; |
| output[19] = x[0]; |
| output[13] = x[1]; |
| output[18] = x[1]; |
| output[14] = x[1]; |
| output[17] = x[1]; |
| output[15] = x[0]; |
| output[16] = x[0]; |
| } |
| |
| static void idct32_low8_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| // stage 1 |
| __m128i x[32]; |
| x[0] = input[0]; |
| x[4] = input[4]; |
| x[8] = input[2]; |
| x[12] = input[6]; |
| x[16] = input[1]; |
| x[20] = input[5]; |
| x[24] = input[3]; |
| x[28] = input[7]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[62], cospi[2], x[16], x[16], x[31]); |
| btf_16_ssse3(-cospi[50], cospi[14], x[28], x[19], x[28]); |
| btf_16_ssse3(cospi[54], cospi[10], x[20], x[20], x[27]); |
| btf_16_ssse3(-cospi[58], cospi[6], x[24], x[23], x[24]); |
| |
| // stage 3 |
| btf_16_ssse3(cospi[60], cospi[4], x[8], x[8], x[15]); |
| btf_16_ssse3(-cospi[52], cospi[12], x[12], x[11], x[12]); |
| x[17] = x[16]; |
| x[18] = x[19]; |
| x[21] = x[20]; |
| x[22] = x[23]; |
| x[25] = x[24]; |
| x[26] = x[27]; |
| x[29] = x[28]; |
| x[30] = x[31]; |
| |
| // stage 4 |
| btf_16_ssse3(cospi[56], cospi[8], x[4], x[4], x[7]); |
| x[9] = x[8]; |
| x[10] = x[11]; |
| x[13] = x[12]; |
| x[14] = x[15]; |
| idct32_high16_stage4_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 5 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| x[5] = x[4]; |
| x[6] = x[7]; |
| idct32_high24_stage5_sse2(x, cospi, __rounding, cos_bit); |
| // stage 6 |
| x[3] = x[0]; |
| x[2] = x[1]; |
| idct32_high28_stage6_sse2(x, cospi, __rounding, cos_bit); |
| |
| idct32_stage7_sse2(x, cospi, __rounding, cos_bit); |
| idct32_stage8_sse2(x, cospi, __rounding, cos_bit); |
| idct32_stage9_sse2(output, x); |
| } |
| |
| static void idct32_low16_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| // stage 1 |
| __m128i x[32]; |
| x[0] = input[0]; |
| x[2] = input[8]; |
| x[4] = input[4]; |
| x[6] = input[12]; |
| x[8] = input[2]; |
| x[10] = input[10]; |
| x[12] = input[6]; |
| x[14] = input[14]; |
| x[16] = input[1]; |
| x[18] = input[9]; |
| x[20] = input[5]; |
| x[22] = input[13]; |
| x[24] = input[3]; |
| x[26] = input[11]; |
| x[28] = input[7]; |
| x[30] = input[15]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[62], cospi[2], x[16], x[16], x[31]); |
| btf_16_ssse3(-cospi[34], cospi[30], x[30], x[17], x[30]); |
| btf_16_ssse3(cospi[46], cospi[18], x[18], x[18], x[29]); |
| btf_16_ssse3(-cospi[50], cospi[14], x[28], x[19], x[28]); |
| btf_16_ssse3(cospi[54], cospi[10], x[20], x[20], x[27]); |
| btf_16_ssse3(-cospi[42], cospi[22], x[26], x[21], x[26]); |
| btf_16_ssse3(cospi[38], cospi[26], x[22], x[22], x[25]); |
| btf_16_ssse3(-cospi[58], cospi[6], x[24], x[23], x[24]); |
| |
| // stage 3 |
| btf_16_ssse3(cospi[60], cospi[4], x[8], x[8], x[15]); |
| btf_16_ssse3(-cospi[36], cospi[28], x[14], x[9], x[14]); |
| btf_16_ssse3(cospi[44], cospi[20], x[10], x[10], x[13]); |
| btf_16_ssse3(-cospi[52], cospi[12], x[12], x[11], x[12]); |
| idct32_high16_stage3_sse2(x); |
| |
| // stage 4 |
| btf_16_ssse3(cospi[56], cospi[8], x[4], x[4], x[7]); |
| btf_16_ssse3(-cospi[40], cospi[24], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[9]); |
| btf_16_subs_adds_sse2(x[11], x[10]); |
| btf_16_adds_subs_sse2(x[12], x[13]); |
| btf_16_subs_adds_sse2(x[15], x[14]); |
| idct32_high16_stage4_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 5 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| btf_16_ssse3(cospi[48], cospi[16], x[2], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_subs_adds_sse2(x[7], x[6]); |
| idct32_high24_stage5_sse2(x, cospi, __rounding, cos_bit); |
| |
| btf_16_adds_subs_sse2(x[0], x[3]); |
| btf_16_adds_subs_sse2(x[1], x[2]); |
| idct32_high28_stage6_sse2(x, cospi, __rounding, cos_bit); |
| |
| idct32_stage7_sse2(x, cospi, __rounding, cos_bit); |
| idct32_stage8_sse2(x, cospi, __rounding, cos_bit); |
| idct32_stage9_sse2(output, x); |
| } |
| |
| static void idct32_sse2(const __m128i *input, __m128i *output, int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p62_m02 = pair_set_epi16(cospi[62], -cospi[2]); |
| const __m128i cospi_p02_p62 = pair_set_epi16(cospi[2], cospi[62]); |
| const __m128i cospi_p30_m34 = pair_set_epi16(cospi[30], -cospi[34]); |
| const __m128i cospi_p34_p30 = pair_set_epi16(cospi[34], cospi[30]); |
| const __m128i cospi_p46_m18 = pair_set_epi16(cospi[46], -cospi[18]); |
| const __m128i cospi_p18_p46 = pair_set_epi16(cospi[18], cospi[46]); |
| const __m128i cospi_p14_m50 = pair_set_epi16(cospi[14], -cospi[50]); |
| const __m128i cospi_p50_p14 = pair_set_epi16(cospi[50], cospi[14]); |
| const __m128i cospi_p54_m10 = pair_set_epi16(cospi[54], -cospi[10]); |
| const __m128i cospi_p10_p54 = pair_set_epi16(cospi[10], cospi[54]); |
| const __m128i cospi_p22_m42 = pair_set_epi16(cospi[22], -cospi[42]); |
| const __m128i cospi_p42_p22 = pair_set_epi16(cospi[42], cospi[22]); |
| const __m128i cospi_p38_m26 = pair_set_epi16(cospi[38], -cospi[26]); |
| const __m128i cospi_p26_p38 = pair_set_epi16(cospi[26], cospi[38]); |
| const __m128i cospi_p06_m58 = pair_set_epi16(cospi[6], -cospi[58]); |
| const __m128i cospi_p58_p06 = pair_set_epi16(cospi[58], cospi[6]); |
| const __m128i cospi_p60_m04 = pair_set_epi16(cospi[60], -cospi[4]); |
| const __m128i cospi_p04_p60 = pair_set_epi16(cospi[4], cospi[60]); |
| const __m128i cospi_p28_m36 = pair_set_epi16(cospi[28], -cospi[36]); |
| const __m128i cospi_p36_p28 = pair_set_epi16(cospi[36], cospi[28]); |
| const __m128i cospi_p44_m20 = pair_set_epi16(cospi[44], -cospi[20]); |
| const __m128i cospi_p20_p44 = pair_set_epi16(cospi[20], cospi[44]); |
| const __m128i cospi_p12_m52 = pair_set_epi16(cospi[12], -cospi[52]); |
| const __m128i cospi_p52_p12 = pair_set_epi16(cospi[52], cospi[12]); |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]); |
| const __m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| |
| // stage 1 |
| __m128i x[32]; |
| x[0] = input[0]; |
| x[1] = input[16]; |
| x[2] = input[8]; |
| x[3] = input[24]; |
| x[4] = input[4]; |
| x[5] = input[20]; |
| x[6] = input[12]; |
| x[7] = input[28]; |
| x[8] = input[2]; |
| x[9] = input[18]; |
| x[10] = input[10]; |
| x[11] = input[26]; |
| x[12] = input[6]; |
| x[13] = input[22]; |
| x[14] = input[14]; |
| x[15] = input[30]; |
| x[16] = input[1]; |
| x[17] = input[17]; |
| x[18] = input[9]; |
| x[19] = input[25]; |
| x[20] = input[5]; |
| x[21] = input[21]; |
| x[22] = input[13]; |
| x[23] = input[29]; |
| x[24] = input[3]; |
| x[25] = input[19]; |
| x[26] = input[11]; |
| x[27] = input[27]; |
| x[28] = input[7]; |
| x[29] = input[23]; |
| x[30] = input[15]; |
| x[31] = input[31]; |
| |
| // stage 2 |
| btf_16_sse2(cospi_p62_m02, cospi_p02_p62, x[16], x[31], x[16], x[31]); |
| btf_16_sse2(cospi_p30_m34, cospi_p34_p30, x[17], x[30], x[17], x[30]); |
| btf_16_sse2(cospi_p46_m18, cospi_p18_p46, x[18], x[29], x[18], x[29]); |
| btf_16_sse2(cospi_p14_m50, cospi_p50_p14, x[19], x[28], x[19], x[28]); |
| btf_16_sse2(cospi_p54_m10, cospi_p10_p54, x[20], x[27], x[20], x[27]); |
| btf_16_sse2(cospi_p22_m42, cospi_p42_p22, x[21], x[26], x[21], x[26]); |
| btf_16_sse2(cospi_p38_m26, cospi_p26_p38, x[22], x[25], x[22], x[25]); |
| btf_16_sse2(cospi_p06_m58, cospi_p58_p06, x[23], x[24], x[23], x[24]); |
| |
| // stage 3 |
| btf_16_sse2(cospi_p60_m04, cospi_p04_p60, x[8], x[15], x[8], x[15]); |
| btf_16_sse2(cospi_p28_m36, cospi_p36_p28, x[9], x[14], x[9], x[14]); |
| btf_16_sse2(cospi_p44_m20, cospi_p20_p44, x[10], x[13], x[10], x[13]); |
| btf_16_sse2(cospi_p12_m52, cospi_p52_p12, x[11], x[12], x[11], x[12]); |
| idct32_high16_stage3_sse2(x); |
| |
| // stage 4 |
| btf_16_sse2(cospi_p56_m08, cospi_p08_p56, x[4], x[7], x[4], x[7]); |
| btf_16_sse2(cospi_p24_m40, cospi_p40_p24, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[9]); |
| btf_16_subs_adds_sse2(x[11], x[10]); |
| btf_16_adds_subs_sse2(x[12], x[13]); |
| btf_16_subs_adds_sse2(x[15], x[14]); |
| idct32_high16_stage4_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 5 |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[0], x[1], x[0], x[1]); |
| btf_16_sse2(cospi_p48_m16, cospi_p16_p48, x[2], x[3], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_adds_subs_sse2(x[7], x[6]); |
| idct32_high24_stage5_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 6 |
| btf_16_adds_subs_sse2(x[0], x[3]); |
| btf_16_adds_subs_sse2(x[1], x[2]); |
| idct32_high28_stage6_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 7~8 |
| idct32_stage7_sse2(x, cospi, __rounding, cos_bit); |
| idct32_stage8_sse2(x, cospi, __rounding, cos_bit); |
| idct32_stage9_sse2(output, x); |
| } |
| |
| static INLINE void idct64_stage4_high32_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m04_p60 = pair_set_epi16(-cospi[4], cospi[60]); |
| const __m128i cospi_p60_p04 = pair_set_epi16(cospi[60], cospi[4]); |
| const __m128i cospi_m60_m04 = pair_set_epi16(-cospi[60], -cospi[4]); |
| const __m128i cospi_m36_p28 = pair_set_epi16(-cospi[36], cospi[28]); |
| const __m128i cospi_p28_p36 = pair_set_epi16(cospi[28], cospi[36]); |
| const __m128i cospi_m28_m36 = pair_set_epi16(-cospi[28], -cospi[36]); |
| const __m128i cospi_m20_p44 = pair_set_epi16(-cospi[20], cospi[44]); |
| const __m128i cospi_p44_p20 = pair_set_epi16(cospi[44], cospi[20]); |
| const __m128i cospi_m44_m20 = pair_set_epi16(-cospi[44], -cospi[20]); |
| const __m128i cospi_m52_p12 = pair_set_epi16(-cospi[52], cospi[12]); |
| const __m128i cospi_p12_p52 = pair_set_epi16(cospi[12], cospi[52]); |
| const __m128i cospi_m12_m52 = pair_set_epi16(-cospi[12], -cospi[52]); |
| btf_16_sse2(cospi_m04_p60, cospi_p60_p04, x[33], x[62], x[33], x[62]); |
| btf_16_sse2(cospi_m60_m04, cospi_m04_p60, x[34], x[61], x[34], x[61]); |
| btf_16_sse2(cospi_m36_p28, cospi_p28_p36, x[37], x[58], x[37], x[58]); |
| btf_16_sse2(cospi_m28_m36, cospi_m36_p28, x[38], x[57], x[38], x[57]); |
| btf_16_sse2(cospi_m20_p44, cospi_p44_p20, x[41], x[54], x[41], x[54]); |
| btf_16_sse2(cospi_m44_m20, cospi_m20_p44, x[42], x[53], x[42], x[53]); |
| btf_16_sse2(cospi_m52_p12, cospi_p12_p52, x[45], x[50], x[45], x[50]); |
| btf_16_sse2(cospi_m12_m52, cospi_m52_p12, x[46], x[49], x[46], x[49]); |
| } |
| |
| static INLINE void idct64_stage5_high48_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m08_p56 = pair_set_epi16(-cospi[8], cospi[56]); |
| const __m128i cospi_p56_p08 = pair_set_epi16(cospi[56], cospi[8]); |
| const __m128i cospi_m56_m08 = pair_set_epi16(-cospi[56], -cospi[8]); |
| const __m128i cospi_m40_p24 = pair_set_epi16(-cospi[40], cospi[24]); |
| const __m128i cospi_p24_p40 = pair_set_epi16(cospi[24], cospi[40]); |
| const __m128i cospi_m24_m40 = pair_set_epi16(-cospi[24], -cospi[40]); |
| btf_16_sse2(cospi_m08_p56, cospi_p56_p08, x[17], x[30], x[17], x[30]); |
| btf_16_sse2(cospi_m56_m08, cospi_m08_p56, x[18], x[29], x[18], x[29]); |
| btf_16_sse2(cospi_m40_p24, cospi_p24_p40, x[21], x[26], x[21], x[26]); |
| btf_16_sse2(cospi_m24_m40, cospi_m40_p24, x[22], x[25], x[22], x[25]); |
| btf_16_adds_subs_sse2(x[32], x[35]); |
| btf_16_adds_subs_sse2(x[33], x[34]); |
| btf_16_subs_adds_sse2(x[39], x[36]); |
| btf_16_subs_adds_sse2(x[38], x[37]); |
| btf_16_adds_subs_sse2(x[40], x[43]); |
| btf_16_adds_subs_sse2(x[41], x[42]); |
| btf_16_subs_adds_sse2(x[47], x[44]); |
| btf_16_subs_adds_sse2(x[46], x[45]); |
| btf_16_adds_subs_sse2(x[48], x[51]); |
| btf_16_adds_subs_sse2(x[49], x[50]); |
| btf_16_subs_adds_sse2(x[55], x[52]); |
| btf_16_subs_adds_sse2(x[54], x[53]); |
| btf_16_adds_subs_sse2(x[56], x[59]); |
| btf_16_adds_subs_sse2(x[57], x[58]); |
| btf_16_subs_adds_sse2(x[63], x[60]); |
| btf_16_subs_adds_sse2(x[62], x[61]); |
| } |
| |
| static INLINE void idct64_stage6_high32_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m08_p56 = pair_set_epi16(-cospi[8], cospi[56]); |
| const __m128i cospi_p56_p08 = pair_set_epi16(cospi[56], cospi[8]); |
| const __m128i cospi_m56_m08 = pair_set_epi16(-cospi[56], -cospi[8]); |
| const __m128i cospi_m40_p24 = pair_set_epi16(-cospi[40], cospi[24]); |
| const __m128i cospi_p24_p40 = pair_set_epi16(cospi[24], cospi[40]); |
| const __m128i cospi_m24_m40 = pair_set_epi16(-cospi[24], -cospi[40]); |
| btf_16_sse2(cospi_m08_p56, cospi_p56_p08, x[34], x[61], x[34], x[61]); |
| btf_16_sse2(cospi_m08_p56, cospi_p56_p08, x[35], x[60], x[35], x[60]); |
| btf_16_sse2(cospi_m56_m08, cospi_m08_p56, x[36], x[59], x[36], x[59]); |
| btf_16_sse2(cospi_m56_m08, cospi_m08_p56, x[37], x[58], x[37], x[58]); |
| btf_16_sse2(cospi_m40_p24, cospi_p24_p40, x[42], x[53], x[42], x[53]); |
| btf_16_sse2(cospi_m40_p24, cospi_p24_p40, x[43], x[52], x[43], x[52]); |
| btf_16_sse2(cospi_m24_m40, cospi_m40_p24, x[44], x[51], x[44], x[51]); |
| btf_16_sse2(cospi_m24_m40, cospi_m40_p24, x[45], x[50], x[45], x[50]); |
| } |
| |
| static INLINE void idct64_stage6_high48_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| btf_16_adds_subs_sse2(x[16], x[19]); |
| btf_16_adds_subs_sse2(x[17], x[18]); |
| btf_16_subs_adds_sse2(x[23], x[20]); |
| btf_16_subs_adds_sse2(x[22], x[21]); |
| btf_16_adds_subs_sse2(x[24], x[27]); |
| btf_16_adds_subs_sse2(x[25], x[26]); |
| btf_16_subs_adds_sse2(x[31], x[28]); |
| btf_16_subs_adds_sse2(x[30], x[29]); |
| idct64_stage6_high32_sse2(x, cospi, __rounding, cos_bit); |
| } |
| |
| static INLINE void idct64_stage7_high48_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[18], x[29], x[18], x[29]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[19], x[28], x[19], x[28]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[20], x[27], x[20], x[27]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[21], x[26], x[21], x[26]); |
| btf_16_adds_subs_sse2(x[32], x[39]); |
| btf_16_adds_subs_sse2(x[33], x[38]); |
| btf_16_adds_subs_sse2(x[34], x[37]); |
| btf_16_adds_subs_sse2(x[35], x[36]); |
| btf_16_subs_adds_sse2(x[47], x[40]); |
| btf_16_subs_adds_sse2(x[46], x[41]); |
| btf_16_subs_adds_sse2(x[45], x[42]); |
| btf_16_subs_adds_sse2(x[44], x[43]); |
| btf_16_adds_subs_sse2(x[48], x[55]); |
| btf_16_adds_subs_sse2(x[49], x[54]); |
| btf_16_adds_subs_sse2(x[50], x[53]); |
| btf_16_adds_subs_sse2(x[51], x[52]); |
| btf_16_subs_adds_sse2(x[63], x[56]); |
| btf_16_subs_adds_sse2(x[62], x[57]); |
| btf_16_subs_adds_sse2(x[61], x[58]); |
| btf_16_subs_adds_sse2(x[60], x[59]); |
| } |
| |
| static INLINE void idct64_stage8_high48_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| btf_16_adds_subs_sse2(x[16], x[23]); |
| btf_16_adds_subs_sse2(x[17], x[22]); |
| btf_16_adds_subs_sse2(x[18], x[21]); |
| btf_16_adds_subs_sse2(x[19], x[20]); |
| btf_16_subs_adds_sse2(x[31], x[24]); |
| btf_16_subs_adds_sse2(x[30], x[25]); |
| btf_16_subs_adds_sse2(x[29], x[26]); |
| btf_16_subs_adds_sse2(x[28], x[27]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[36], x[59], x[36], x[59]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[37], x[58], x[37], x[58]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[38], x[57], x[38], x[57]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[39], x[56], x[39], x[56]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[40], x[55], x[40], x[55]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[41], x[54], x[41], x[54]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[42], x[53], x[42], x[53]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[43], x[52], x[43], x[52]); |
| } |
| |
| static INLINE void idct64_stage9_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| btf_16_adds_subs_sse2(x[0], x[15]); |
| btf_16_adds_subs_sse2(x[1], x[14]); |
| btf_16_adds_subs_sse2(x[2], x[13]); |
| btf_16_adds_subs_sse2(x[3], x[12]); |
| btf_16_adds_subs_sse2(x[4], x[11]); |
| btf_16_adds_subs_sse2(x[5], x[10]); |
| btf_16_adds_subs_sse2(x[6], x[9]); |
| btf_16_adds_subs_sse2(x[7], x[8]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[20], x[27], x[20], x[27]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[21], x[26], x[21], x[26]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[22], x[25], x[22], x[25]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[23], x[24], x[23], x[24]); |
| btf_16_adds_subs_sse2(x[32], x[47]); |
| btf_16_adds_subs_sse2(x[33], x[46]); |
| btf_16_adds_subs_sse2(x[34], x[45]); |
| btf_16_adds_subs_sse2(x[35], x[44]); |
| btf_16_adds_subs_sse2(x[36], x[43]); |
| btf_16_adds_subs_sse2(x[37], x[42]); |
| btf_16_adds_subs_sse2(x[38], x[41]); |
| btf_16_adds_subs_sse2(x[39], x[40]); |
| btf_16_subs_adds_sse2(x[63], x[48]); |
| btf_16_subs_adds_sse2(x[62], x[49]); |
| btf_16_subs_adds_sse2(x[61], x[50]); |
| btf_16_subs_adds_sse2(x[60], x[51]); |
| btf_16_subs_adds_sse2(x[59], x[52]); |
| btf_16_subs_adds_sse2(x[58], x[53]); |
| btf_16_subs_adds_sse2(x[57], x[54]); |
| btf_16_subs_adds_sse2(x[56], x[55]); |
| } |
| |
| static INLINE void idct64_stage10_sse2(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| btf_16_adds_subs_sse2(x[0], x[31]); |
| btf_16_adds_subs_sse2(x[1], x[30]); |
| btf_16_adds_subs_sse2(x[2], x[29]); |
| btf_16_adds_subs_sse2(x[3], x[28]); |
| btf_16_adds_subs_sse2(x[4], x[27]); |
| btf_16_adds_subs_sse2(x[5], x[26]); |
| btf_16_adds_subs_sse2(x[6], x[25]); |
| btf_16_adds_subs_sse2(x[7], x[24]); |
| btf_16_adds_subs_sse2(x[8], x[23]); |
| btf_16_adds_subs_sse2(x[9], x[22]); |
| btf_16_adds_subs_sse2(x[10], x[21]); |
| btf_16_adds_subs_sse2(x[11], x[20]); |
| btf_16_adds_subs_sse2(x[12], x[19]); |
| btf_16_adds_subs_sse2(x[13], x[18]); |
| btf_16_adds_subs_sse2(x[14], x[17]); |
| btf_16_adds_subs_sse2(x[15], x[16]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[40], x[55], x[40], x[55]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[41], x[54], x[41], x[54]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[42], x[53], x[42], x[53]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[43], x[52], x[43], x[52]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[44], x[51], x[44], x[51]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[45], x[50], x[45], x[50]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[46], x[49], x[46], x[49]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[47], x[48], x[47], x[48]); |
| } |
| |
| static INLINE void idct64_stage11_sse2(__m128i *output, __m128i *x) { |
| btf_16_adds_subs_out_sse2(output[0], output[63], x[0], x[63]); |
| btf_16_adds_subs_out_sse2(output[1], output[62], x[1], x[62]); |
| btf_16_adds_subs_out_sse2(output[2], output[61], x[2], x[61]); |
| btf_16_adds_subs_out_sse2(output[3], output[60], x[3], x[60]); |
| btf_16_adds_subs_out_sse2(output[4], output[59], x[4], x[59]); |
| btf_16_adds_subs_out_sse2(output[5], output[58], x[5], x[58]); |
| btf_16_adds_subs_out_sse2(output[6], output[57], x[6], x[57]); |
| btf_16_adds_subs_out_sse2(output[7], output[56], x[7], x[56]); |
| btf_16_adds_subs_out_sse2(output[8], output[55], x[8], x[55]); |
| btf_16_adds_subs_out_sse2(output[9], output[54], x[9], x[54]); |
| btf_16_adds_subs_out_sse2(output[10], output[53], x[10], x[53]); |
| btf_16_adds_subs_out_sse2(output[11], output[52], x[11], x[52]); |
| btf_16_adds_subs_out_sse2(output[12], output[51], x[12], x[51]); |
| btf_16_adds_subs_out_sse2(output[13], output[50], x[13], x[50]); |
| btf_16_adds_subs_out_sse2(output[14], output[49], x[14], x[49]); |
| btf_16_adds_subs_out_sse2(output[15], output[48], x[15], x[48]); |
| btf_16_adds_subs_out_sse2(output[16], output[47], x[16], x[47]); |
| btf_16_adds_subs_out_sse2(output[17], output[46], x[17], x[46]); |
| btf_16_adds_subs_out_sse2(output[18], output[45], x[18], x[45]); |
| btf_16_adds_subs_out_sse2(output[19], output[44], x[19], x[44]); |
| btf_16_adds_subs_out_sse2(output[20], output[43], x[20], x[43]); |
| btf_16_adds_subs_out_sse2(output[21], output[42], x[21], x[42]); |
| btf_16_adds_subs_out_sse2(output[22], output[41], x[22], x[41]); |
| btf_16_adds_subs_out_sse2(output[23], output[40], x[23], x[40]); |
| btf_16_adds_subs_out_sse2(output[24], output[39], x[24], x[39]); |
| btf_16_adds_subs_out_sse2(output[25], output[38], x[25], x[38]); |
| btf_16_adds_subs_out_sse2(output[26], output[37], x[26], x[37]); |
| btf_16_adds_subs_out_sse2(output[27], output[36], x[27], x[36]); |
| btf_16_adds_subs_out_sse2(output[28], output[35], x[28], x[35]); |
| btf_16_adds_subs_out_sse2(output[29], output[34], x[29], x[34]); |
| btf_16_adds_subs_out_sse2(output[30], output[33], x[30], x[33]); |
| btf_16_adds_subs_out_sse2(output[31], output[32], x[31], x[32]); |
| } |
| |
| static void idct64_low1_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| |
| // stage 1 |
| __m128i x[32]; |
| x[0] = input[0]; |
| |
| // stage 2 |
| // stage 3 |
| // stage 4 |
| // stage 5 |
| // stage 6 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| |
| // stage 7 |
| // stage 8 |
| // stage 9 |
| // stage 10 |
| // stage 11 |
| output[0] = x[0]; |
| output[63] = x[0]; |
| output[1] = x[1]; |
| output[62] = x[1]; |
| output[2] = x[1]; |
| output[61] = x[1]; |
| output[3] = x[0]; |
| output[60] = x[0]; |
| output[4] = x[0]; |
| output[59] = x[0]; |
| output[5] = x[1]; |
| output[58] = x[1]; |
| output[6] = x[1]; |
| output[57] = x[1]; |
| output[7] = x[0]; |
| output[56] = x[0]; |
| output[8] = x[0]; |
| output[55] = x[0]; |
| output[9] = x[1]; |
| output[54] = x[1]; |
| output[10] = x[1]; |
| output[53] = x[1]; |
| output[11] = x[0]; |
| output[52] = x[0]; |
| output[12] = x[0]; |
| output[51] = x[0]; |
| output[13] = x[1]; |
| output[50] = x[1]; |
| output[14] = x[1]; |
| output[49] = x[1]; |
| output[15] = x[0]; |
| output[48] = x[0]; |
| output[16] = x[0]; |
| output[47] = x[0]; |
| output[17] = x[1]; |
| output[46] = x[1]; |
| output[18] = x[1]; |
| output[45] = x[1]; |
| output[19] = x[0]; |
| output[44] = x[0]; |
| output[20] = x[0]; |
| output[43] = x[0]; |
| output[21] = x[1]; |
| output[42] = x[1]; |
| output[22] = x[1]; |
| output[41] = x[1]; |
| output[23] = x[0]; |
| output[40] = x[0]; |
| output[24] = x[0]; |
| output[39] = x[0]; |
| output[25] = x[1]; |
| output[38] = x[1]; |
| output[26] = x[1]; |
| output[37] = x[1]; |
| output[27] = x[0]; |
| output[36] = x[0]; |
| output[28] = x[0]; |
| output[35] = x[0]; |
| output[29] = x[1]; |
| output[34] = x[1]; |
| output[30] = x[1]; |
| output[33] = x[1]; |
| output[31] = x[0]; |
| output[32] = x[0]; |
| } |
| |
| static void idct64_low8_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| const __m128i cospi_m04_p60 = pair_set_epi16(-cospi[4], cospi[60]); |
| const __m128i cospi_p60_p04 = pair_set_epi16(cospi[60], cospi[4]); |
| const __m128i cospi_m36_p28 = pair_set_epi16(-cospi[36], cospi[28]); |
| const __m128i cospi_m28_m36 = pair_set_epi16(-cospi[28], -cospi[36]); |
| const __m128i cospi_m20_p44 = pair_set_epi16(-cospi[20], cospi[44]); |
| const __m128i cospi_p44_p20 = pair_set_epi16(cospi[44], cospi[20]); |
| const __m128i cospi_m52_p12 = pair_set_epi16(-cospi[52], cospi[12]); |
| const __m128i cospi_m12_m52 = pair_set_epi16(-cospi[12], -cospi[52]); |
| const __m128i cospi_m08_p56 = pair_set_epi16(-cospi[8], cospi[56]); |
| const __m128i cospi_p56_p08 = pair_set_epi16(cospi[56], cospi[8]); |
| const __m128i cospi_m40_p24 = pair_set_epi16(-cospi[40], cospi[24]); |
| const __m128i cospi_m24_m40 = pair_set_epi16(-cospi[24], -cospi[40]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| |
| // stage 1 |
| __m128i x[64]; |
| x[0] = input[0]; |
| x[8] = input[4]; |
| x[16] = input[2]; |
| x[24] = input[6]; |
| x[32] = input[1]; |
| x[40] = input[5]; |
| x[48] = input[3]; |
| x[56] = input[7]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[63], cospi[1], x[32], x[32], x[63]); |
| btf_16_ssse3(-cospi[57], cospi[7], x[56], x[39], x[56]); |
| btf_16_ssse3(cospi[59], cospi[5], x[40], x[40], x[55]); |
| btf_16_ssse3(-cospi[61], cospi[3], x[48], x[47], x[48]); |
| |
| // stage 3 |
| btf_16_ssse3(cospi[62], cospi[2], x[16], x[16], x[31]); |
| btf_16_ssse3(-cospi[58], cospi[6], x[24], x[23], x[24]); |
| x[33] = x[32]; |
| x[38] = x[39]; |
| x[41] = x[40]; |
| x[46] = x[47]; |
| x[49] = x[48]; |
| x[54] = x[55]; |
| x[57] = x[56]; |
| x[62] = x[63]; |
| |
| // stage 4 |
| btf_16_ssse3(cospi[60], cospi[4], x[8], x[8], x[15]); |
| x[17] = x[16]; |
| x[22] = x[23]; |
| x[25] = x[24]; |
| x[30] = x[31]; |
| btf_16_sse2(cospi_m04_p60, cospi_p60_p04, x[33], x[62], x[33], x[62]); |
| btf_16_sse2(cospi_m28_m36, cospi_m36_p28, x[38], x[57], x[38], x[57]); |
| btf_16_sse2(cospi_m20_p44, cospi_p44_p20, x[41], x[54], x[41], x[54]); |
| btf_16_sse2(cospi_m12_m52, cospi_m52_p12, x[46], x[49], x[46], x[49]); |
| |
| // stage 5 |
| x[9] = x[8]; |
| x[14] = x[15]; |
| btf_16_sse2(cospi_m08_p56, cospi_p56_p08, x[17], x[30], x[17], x[30]); |
| btf_16_sse2(cospi_m24_m40, cospi_m40_p24, x[22], x[25], x[22], x[25]); |
| x[35] = x[32]; |
| x[34] = x[33]; |
| x[36] = x[39]; |
| x[37] = x[38]; |
| x[43] = x[40]; |
| x[42] = x[41]; |
| x[44] = x[47]; |
| x[45] = x[46]; |
| x[51] = x[48]; |
| x[50] = x[49]; |
| x[52] = x[55]; |
| x[53] = x[54]; |
| x[59] = x[56]; |
| x[58] = x[57]; |
| x[60] = x[63]; |
| x[61] = x[62]; |
| |
| // stage 6 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[9], x[14], x[9], x[14]); |
| x[19] = x[16]; |
| x[18] = x[17]; |
| x[20] = x[23]; |
| x[21] = x[22]; |
| x[27] = x[24]; |
| x[26] = x[25]; |
| x[28] = x[31]; |
| x[29] = x[30]; |
| idct64_stage6_high32_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 7 |
| x[3] = x[0]; |
| x[2] = x[1]; |
| x[11] = x[8]; |
| x[10] = x[9]; |
| x[12] = x[15]; |
| x[13] = x[14]; |
| idct64_stage7_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 8 |
| x[7] = x[0]; |
| x[6] = x[1]; |
| x[5] = x[2]; |
| x[4] = x[3]; |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[10], x[13], x[10], x[13]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[11], x[12], x[11], x[12]); |
| idct64_stage8_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| idct64_stage9_sse2(x, cospi, __rounding, cos_bit); |
| idct64_stage10_sse2(x, cospi, __rounding, cos_bit); |
| idct64_stage11_sse2(output, x); |
| } |
| |
| static void idct64_low16_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| |
| // stage 1 |
| __m128i x[64]; |
| x[0] = input[0]; |
| x[4] = input[8]; |
| x[8] = input[4]; |
| x[12] = input[12]; |
| x[16] = input[2]; |
| x[20] = input[10]; |
| x[24] = input[6]; |
| x[28] = input[14]; |
| x[32] = input[1]; |
| x[36] = input[9]; |
| x[40] = input[5]; |
| x[44] = input[13]; |
| x[48] = input[3]; |
| x[52] = input[11]; |
| x[56] = input[7]; |
| x[60] = input[15]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[63], cospi[1], x[32], x[32], x[63]); |
| btf_16_ssse3(-cospi[49], cospi[15], x[60], x[35], x[60]); |
| btf_16_ssse3(cospi[55], cospi[9], x[36], x[36], x[59]); |
| btf_16_ssse3(-cospi[57], cospi[7], x[56], x[39], x[56]); |
| btf_16_ssse3(cospi[59], cospi[5], x[40], x[40], x[55]); |
| btf_16_ssse3(-cospi[53], cospi[11], x[52], x[43], x[52]); |
| btf_16_ssse3(cospi[51], cospi[13], x[44], x[44], x[51]); |
| btf_16_ssse3(-cospi[61], cospi[3], x[48], x[47], x[48]); |
| |
| // stage 3 |
| btf_16_ssse3(cospi[62], cospi[2], x[16], x[16], x[31]); |
| btf_16_ssse3(-cospi[50], cospi[14], x[28], x[19], x[28]); |
| btf_16_ssse3(cospi[54], cospi[10], x[20], x[20], x[27]); |
| btf_16_ssse3(-cospi[58], cospi[6], x[24], x[23], x[24]); |
| x[33] = x[32]; |
| x[34] = x[35]; |
| x[37] = x[36]; |
| x[38] = x[39]; |
| x[41] = x[40]; |
| x[42] = x[43]; |
| x[45] = x[44]; |
| x[46] = x[47]; |
| x[49] = x[48]; |
| x[50] = x[51]; |
| x[53] = x[52]; |
| x[54] = x[55]; |
| x[57] = x[56]; |
| x[58] = x[59]; |
| x[61] = x[60]; |
| x[62] = x[63]; |
| |
| // stage 4 |
| btf_16_ssse3(cospi[60], cospi[4], x[8], x[8], x[15]); |
| btf_16_ssse3(-cospi[52], cospi[12], x[12], x[11], x[12]); |
| x[17] = x[16]; |
| x[18] = x[19]; |
| x[21] = x[20]; |
| x[22] = x[23]; |
| x[25] = x[24]; |
| x[26] = x[27]; |
| x[29] = x[28]; |
| x[30] = x[31]; |
| idct64_stage4_high32_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 5 |
| btf_16_ssse3(cospi[56], cospi[8], x[4], x[4], x[7]); |
| x[9] = x[8]; |
| x[10] = x[11]; |
| x[13] = x[12]; |
| x[14] = x[15]; |
| idct64_stage5_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 6 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| x[5] = x[4]; |
| x[6] = x[7]; |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[9], x[14], x[9], x[14]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[10], x[13], x[10], x[13]); |
| idct64_stage6_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 7 |
| x[3] = x[0]; |
| x[2] = x[1]; |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[11]); |
| btf_16_adds_subs_sse2(x[9], x[10]); |
| btf_16_subs_adds_sse2(x[15], x[12]); |
| btf_16_subs_adds_sse2(x[14], x[13]); |
| idct64_stage7_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 8 |
| btf_16_adds_subs_sse2(x[0], x[7]); |
| btf_16_adds_subs_sse2(x[1], x[6]); |
| btf_16_adds_subs_sse2(x[2], x[5]); |
| btf_16_adds_subs_sse2(x[3], x[4]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[10], x[13], x[10], x[13]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[11], x[12], x[11], x[12]); |
| idct64_stage8_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| idct64_stage9_sse2(x, cospi, __rounding, cos_bit); |
| idct64_stage10_sse2(x, cospi, __rounding, cos_bit); |
| idct64_stage11_sse2(output, x); |
| } |
| |
| static void idct64_low32_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]); |
| const __m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]); |
| const __m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]); |
| const __m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]); |
| |
| // stage 1 |
| __m128i x[64]; |
| x[0] = input[0]; |
| x[2] = input[16]; |
| x[4] = input[8]; |
| x[6] = input[24]; |
| x[8] = input[4]; |
| x[10] = input[20]; |
| x[12] = input[12]; |
| x[14] = input[28]; |
| x[16] = input[2]; |
| x[18] = input[18]; |
| x[20] = input[10]; |
| x[22] = input[26]; |
| x[24] = input[6]; |
| x[26] = input[22]; |
| x[28] = input[14]; |
| x[30] = input[30]; |
| x[32] = input[1]; |
| x[34] = input[17]; |
| x[36] = input[9]; |
| x[38] = input[25]; |
| x[40] = input[5]; |
| x[42] = input[21]; |
| x[44] = input[13]; |
| x[46] = input[29]; |
| x[48] = input[3]; |
| x[50] = input[19]; |
| x[52] = input[11]; |
| x[54] = input[27]; |
| x[56] = input[7]; |
| x[58] = input[23]; |
| x[60] = input[15]; |
| x[62] = input[31]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[63], cospi[1], x[32], x[32], x[63]); |
| btf_16_ssse3(-cospi[33], cospi[31], x[62], x[33], x[62]); |
| btf_16_ssse3(cospi[47], cospi[17], x[34], x[34], x[61]); |
| btf_16_ssse3(-cospi[49], cospi[15], x[60], x[35], x[60]); |
| btf_16_ssse3(cospi[55], cospi[9], x[36], x[36], x[59]); |
| btf_16_ssse3(-cospi[41], cospi[23], x[58], x[37], x[58]); |
| btf_16_ssse3(cospi[39], cospi[25], x[38], x[38], x[57]); |
| btf_16_ssse3(-cospi[57], cospi[7], x[56], x[39], x[56]); |
| btf_16_ssse3(cospi[59], cospi[5], x[40], x[40], x[55]); |
| btf_16_ssse3(-cospi[37], cospi[27], x[54], x[41], x[54]); |
| btf_16_ssse3(cospi[43], cospi[21], x[42], x[42], x[53]); |
| btf_16_ssse3(-cospi[53], cospi[11], x[52], x[43], x[52]); |
| btf_16_ssse3(cospi[51], cospi[13], x[44], x[44], x[51]); |
| btf_16_ssse3(-cospi[45], cospi[19], x[50], x[45], x[50]); |
| btf_16_ssse3(cospi[35], cospi[29], x[46], x[46], x[49]); |
| btf_16_ssse3(-cospi[61], cospi[3], x[48], x[47], x[48]); |
| |
| // stage 3 |
| btf_16_ssse3(cospi[62], cospi[2], x[16], x[16], x[31]); |
| btf_16_ssse3(-cospi[34], cospi[30], x[30], x[17], x[30]); |
| btf_16_ssse3(cospi[46], cospi[18], x[18], x[18], x[29]); |
| btf_16_ssse3(-cospi[50], cospi[14], x[28], x[19], x[28]); |
| btf_16_ssse3(cospi[54], cospi[10], x[20], x[20], x[27]); |
| btf_16_ssse3(-cospi[42], cospi[22], x[26], x[21], x[26]); |
| btf_16_ssse3(cospi[38], cospi[26], x[22], x[22], x[25]); |
| btf_16_ssse3(-cospi[58], cospi[6], x[24], x[23], x[24]); |
| btf_16_adds_subs_sse2(x[32], x[33]); |
| btf_16_subs_adds_sse2(x[35], x[34]); |
| btf_16_adds_subs_sse2(x[36], x[37]); |
| btf_16_subs_adds_sse2(x[39], x[38]); |
| btf_16_adds_subs_sse2(x[40], x[41]); |
| btf_16_subs_adds_sse2(x[43], x[42]); |
| btf_16_adds_subs_sse2(x[44], x[45]); |
| btf_16_subs_adds_sse2(x[47], x[46]); |
| btf_16_adds_subs_sse2(x[48], x[49]); |
| btf_16_subs_adds_sse2(x[51], x[50]); |
| btf_16_adds_subs_sse2(x[52], x[53]); |
| btf_16_subs_adds_sse2(x[55], x[54]); |
| btf_16_adds_subs_sse2(x[56], x[57]); |
| btf_16_subs_adds_sse2(x[59], x[58]); |
| btf_16_adds_subs_sse2(x[60], x[61]); |
| btf_16_subs_adds_sse2(x[63], x[62]); |
| |
| // stage 4 |
| btf_16_ssse3(cospi[60], cospi[4], x[8], x[8], x[15]); |
| btf_16_ssse3(-cospi[36], cospi[28], x[14], x[9], x[14]); |
| btf_16_ssse3(cospi[44], cospi[20], x[10], x[10], x[13]); |
| btf_16_ssse3(-cospi[52], cospi[12], x[12], x[11], x[12]); |
| btf_16_adds_subs_sse2(x[16], x[17]); |
| btf_16_subs_adds_sse2(x[19], x[18]); |
| btf_16_adds_subs_sse2(x[20], x[21]); |
| btf_16_subs_adds_sse2(x[23], x[22]); |
| btf_16_adds_subs_sse2(x[24], x[25]); |
| btf_16_subs_adds_sse2(x[27], x[26]); |
| btf_16_adds_subs_sse2(x[28], x[29]); |
| btf_16_subs_adds_sse2(x[31], x[30]); |
| idct64_stage4_high32_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 5 |
| btf_16_ssse3(cospi[56], cospi[8], x[4], x[4], x[7]); |
| btf_16_ssse3(-cospi[40], cospi[24], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[9]); |
| btf_16_subs_adds_sse2(x[11], x[10]); |
| btf_16_adds_subs_sse2(x[12], x[13]); |
| btf_16_subs_adds_sse2(x[15], x[14]); |
| idct64_stage5_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 6 |
| btf_16_ssse3(cospi[32], cospi[32], x[0], x[0], x[1]); |
| btf_16_ssse3(cospi[48], cospi[16], x[2], x[2], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[5]); |
| btf_16_subs_adds_sse2(x[7], x[6]); |
| btf_16_sse2(cospi_m16_p48, cospi_p48_p16, x[9], x[14], x[9], x[14]); |
| btf_16_sse2(cospi_m48_m16, cospi_m16_p48, x[10], x[13], x[10], x[13]); |
| idct64_stage6_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 7 |
| btf_16_adds_subs_sse2(x[0], x[3]); |
| btf_16_adds_subs_sse2(x[1], x[2]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[5], x[6], x[5], x[6]); |
| btf_16_adds_subs_sse2(x[8], x[11]); |
| btf_16_adds_subs_sse2(x[9], x[10]); |
| btf_16_subs_adds_sse2(x[15], x[12]); |
| btf_16_subs_adds_sse2(x[14], x[13]); |
| idct64_stage7_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 8 |
| btf_16_adds_subs_sse2(x[0], x[7]); |
| btf_16_adds_subs_sse2(x[1], x[6]); |
| btf_16_adds_subs_sse2(x[2], x[5]); |
| btf_16_adds_subs_sse2(x[3], x[4]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[10], x[13], x[10], x[13]); |
| btf_16_sse2(cospi_m32_p32, cospi_p32_p32, x[11], x[12], x[11], x[12]); |
| idct64_stage8_high48_sse2(x, cospi, __rounding, cos_bit); |
| |
| // stage 9~11 |
| idct64_stage9_sse2(x, cospi, __rounding, cos_bit); |
| idct64_stage10_sse2(x, cospi, __rounding, cos_bit); |
| idct64_stage11_sse2(output, x); |
| } |
| |
| static void iadst4_sse2(const __m128i *input, __m128i *output, int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *sinpi = sinpi_arr(INV_COS_BIT); |
| const __m128i sinpi_p01_p04 = pair_set_epi16(sinpi[1], sinpi[4]); |
| const __m128i sinpi_p02_m01 = pair_set_epi16(sinpi[2], -sinpi[1]); |
| const __m128i sinpi_p03_p02 = pair_set_epi16(sinpi[3], sinpi[2]); |
| const __m128i sinpi_p03_m04 = pair_set_epi16(sinpi[3], -sinpi[4]); |
| const __m128i sinpi_p03_m03 = pair_set_epi16(sinpi[3], -sinpi[3]); |
| const __m128i sinpi_0_p03 = pair_set_epi16(0, sinpi[3]); |
| const __m128i sinpi_p04_p02 = pair_set_epi16(sinpi[4], sinpi[2]); |
| const __m128i sinpi_m03_m01 = pair_set_epi16(-sinpi[3], -sinpi[1]); |
| __m128i x0[4]; |
| x0[0] = input[0]; |
| x0[1] = input[1]; |
| x0[2] = input[2]; |
| x0[3] = input[3]; |
| |
| __m128i u[4]; |
| u[0] = _mm_unpacklo_epi16(x0[0], x0[2]); |
| u[1] = _mm_unpackhi_epi16(x0[0], x0[2]); |
| u[2] = _mm_unpacklo_epi16(x0[1], x0[3]); |
| u[3] = _mm_unpackhi_epi16(x0[1], x0[3]); |
| |
| __m128i x1[16]; |
| x1[0] = _mm_madd_epi16(u[0], sinpi_p01_p04); // x0*sin1 + x2*sin4 |
| x1[1] = _mm_madd_epi16(u[1], sinpi_p01_p04); |
| x1[2] = _mm_madd_epi16(u[0], sinpi_p02_m01); // x0*sin2 - x2*sin1 |
| x1[3] = _mm_madd_epi16(u[1], sinpi_p02_m01); |
| x1[4] = _mm_madd_epi16(u[2], sinpi_p03_p02); // x1*sin3 + x3*sin2 |
| x1[5] = _mm_madd_epi16(u[3], sinpi_p03_p02); |
| x1[6] = _mm_madd_epi16(u[2], sinpi_p03_m04); // x1*sin3 - x3*sin4 |
| x1[7] = _mm_madd_epi16(u[3], sinpi_p03_m04); |
| x1[8] = _mm_madd_epi16(u[0], sinpi_p03_m03); // x0*sin3 - x2*sin3 |
| x1[9] = _mm_madd_epi16(u[1], sinpi_p03_m03); |
| x1[10] = _mm_madd_epi16(u[2], sinpi_0_p03); // x2*sin3 |
| x1[11] = _mm_madd_epi16(u[3], sinpi_0_p03); |
| x1[12] = _mm_madd_epi16(u[0], sinpi_p04_p02); // x0*sin4 + x2*sin2 |
| x1[13] = _mm_madd_epi16(u[1], sinpi_p04_p02); |
| x1[14] = _mm_madd_epi16(u[2], sinpi_m03_m01); // -x1*sin3 - x3*sin1 |
| x1[15] = _mm_madd_epi16(u[3], sinpi_m03_m01); |
| |
| __m128i x2[8]; |
| x2[0] = _mm_add_epi32(x1[0], x1[4]); // x0*sin1 +x2*sin4 +x1*sin3 +x3*sin2 |
| x2[1] = _mm_add_epi32(x1[1], x1[5]); |
| x2[2] = _mm_add_epi32(x1[2], x1[6]); // x0*sin2 -x2*sin1 +x1*sin3 -x3*sin4 |
| x2[3] = _mm_add_epi32(x1[3], x1[7]); |
| x2[4] = _mm_add_epi32(x1[8], x1[10]); // x0*sin3 -x2*sin3 +x3*sin3 |
| x2[5] = _mm_add_epi32(x1[9], x1[11]); |
| x2[6] = _mm_add_epi32(x1[12], x1[14]); // x0*sin1 +x2*sin4 +x0*sin2 -x2*sin1 |
| x2[7] = _mm_add_epi32(x1[13], x1[15]); |
| |
| const __m128i rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| for (int i = 0; i < 4; ++i) { |
| __m128i out0 = _mm_add_epi32(x2[2 * i], rounding); |
| __m128i out1 = _mm_add_epi32(x2[2 * i + 1], rounding); |
| out0 = _mm_srai_epi32(out0, INV_COS_BIT); |
| out1 = _mm_srai_epi32(out1, INV_COS_BIT); |
| output[i] = _mm_packs_epi32(out0, out1); |
| } |
| } |
| |
| static void iadst4_w4_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *sinpi = sinpi_arr(INV_COS_BIT); |
| const __m128i sinpi_p01_p04 = pair_set_epi16(sinpi[1], sinpi[4]); |
| const __m128i sinpi_p02_m01 = pair_set_epi16(sinpi[2], -sinpi[1]); |
| const __m128i sinpi_p03_p02 = pair_set_epi16(sinpi[3], sinpi[2]); |
| const __m128i sinpi_p03_m04 = pair_set_epi16(sinpi[3], -sinpi[4]); |
| const __m128i sinpi_p03_m03 = pair_set_epi16(sinpi[3], -sinpi[3]); |
| const __m128i sinpi_0_p03 = pair_set_epi16(0, sinpi[3]); |
| const __m128i sinpi_p04_p02 = pair_set_epi16(sinpi[4], sinpi[2]); |
| const __m128i sinpi_m03_m01 = pair_set_epi16(-sinpi[3], -sinpi[1]); |
| __m128i x0[4]; |
| x0[0] = input[0]; |
| x0[1] = input[1]; |
| x0[2] = input[2]; |
| x0[3] = input[3]; |
| |
| __m128i u[2]; |
| u[0] = _mm_unpacklo_epi16(x0[0], x0[2]); |
| u[1] = _mm_unpacklo_epi16(x0[1], x0[3]); |
| |
| __m128i x1[8]; |
| x1[0] = _mm_madd_epi16(u[0], sinpi_p01_p04); // x0*sin1 + x2*sin4 |
| x1[1] = _mm_madd_epi16(u[0], sinpi_p02_m01); // x0*sin2 - x2*sin1 |
| x1[2] = _mm_madd_epi16(u[1], sinpi_p03_p02); // x1*sin3 + x3*sin2 |
| x1[3] = _mm_madd_epi16(u[1], sinpi_p03_m04); // x1*sin3 - x3*sin4 |
| x1[4] = _mm_madd_epi16(u[0], sinpi_p03_m03); // x0*sin3 - x2*sin3 |
| x1[5] = _mm_madd_epi16(u[1], sinpi_0_p03); // x2*sin3 |
| x1[6] = _mm_madd_epi16(u[0], sinpi_p04_p02); // x0*sin4 + x2*sin2 |
| x1[7] = _mm_madd_epi16(u[1], sinpi_m03_m01); // -x1*sin3 - x3*sin1 |
| |
| __m128i x2[4]; |
| x2[0] = _mm_add_epi32(x1[0], x1[2]); // x0*sin1 + x2*sin4 + x1*sin3 + x3*sin2 |
| x2[1] = _mm_add_epi32(x1[1], x1[3]); // x0*sin2 - x2*sin1 + x1*sin3 - x3*sin4 |
| x2[2] = _mm_add_epi32(x1[4], x1[5]); // x0*sin3 - x2*sin3 + x3*sin3 |
| x2[3] = _mm_add_epi32(x1[6], x1[7]); // x0*sin4 + x2*sin2 - x1*sin3 - x3*sin1 |
| |
| const __m128i rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| for (int i = 0; i < 4; ++i) { |
| __m128i out0 = _mm_add_epi32(x2[i], rounding); |
| out0 = _mm_srai_epi32(out0, INV_COS_BIT); |
| output[i] = _mm_packs_epi32(out0, out0); |
| } |
| } |
| |
| static void iadst8_low1_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __zero = _mm_setzero_si128(); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| |
| // stage 1 |
| __m128i x[8]; |
| x[1] = input[0]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[60], -cospi[4], x[1], x[0], x[1]); |
| |
| // stage 3 |
| x[4] = x[0]; |
| x[5] = x[1]; |
| |
| // stage 4 |
| btf_16_sse2(cospi_p16_p48, cospi_p48_m16, x[4], x[5], x[4], x[5]); |
| |
| // stage 5 |
| x[2] = x[0]; |
| x[3] = x[1]; |
| x[6] = x[4]; |
| x[7] = x[5]; |
| |
| // stage 6 |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[2], x[3], x[2], x[3]); |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[6], x[7], x[6], x[7]); |
| |
| // stage 7 |
| output[0] = x[0]; |
| output[1] = _mm_subs_epi16(__zero, x[4]); |
| output[2] = x[6]; |
| output[3] = _mm_subs_epi16(__zero, x[2]); |
| output[4] = x[3]; |
| output[5] = _mm_subs_epi16(__zero, x[7]); |
| output[6] = x[5]; |
| output[7] = _mm_subs_epi16(__zero, x[1]); |
| } |
| |
| static void iadst8_sse2(const __m128i *input, __m128i *output, int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __zero = _mm_setzero_si128(); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p04_p60 = pair_set_epi16(cospi[4], cospi[60]); |
| const __m128i cospi_p60_m04 = pair_set_epi16(cospi[60], -cospi[4]); |
| const __m128i cospi_p20_p44 = pair_set_epi16(cospi[20], cospi[44]); |
| const __m128i cospi_p44_m20 = pair_set_epi16(cospi[44], -cospi[20]); |
| const __m128i cospi_p36_p28 = pair_set_epi16(cospi[36], cospi[28]); |
| const __m128i cospi_p28_m36 = pair_set_epi16(cospi[28], -cospi[36]); |
| const __m128i cospi_p52_p12 = pair_set_epi16(cospi[52], cospi[12]); |
| const __m128i cospi_p12_m52 = pair_set_epi16(cospi[12], -cospi[52]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_m48_p16 = pair_set_epi16(-cospi[48], cospi[16]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| |
| // stage 1 |
| __m128i x[8]; |
| x[0] = input[7]; |
| x[1] = input[0]; |
| x[2] = input[5]; |
| x[3] = input[2]; |
| x[4] = input[3]; |
| x[5] = input[4]; |
| x[6] = input[1]; |
| x[7] = input[6]; |
| |
| // stage 2 |
| btf_16_sse2(cospi_p04_p60, cospi_p60_m04, x[0], x[1], x[0], x[1]); |
| btf_16_sse2(cospi_p20_p44, cospi_p44_m20, x[2], x[3], x[2], x[3]); |
| btf_16_sse2(cospi_p36_p28, cospi_p28_m36, x[4], x[5], x[4], x[5]); |
| btf_16_sse2(cospi_p52_p12, cospi_p12_m52, x[6], x[7], x[6], x[7]); |
| |
| // stage 3 |
| btf_16_adds_subs_sse2(x[0], x[4]); |
| btf_16_adds_subs_sse2(x[1], x[5]); |
| btf_16_adds_subs_sse2(x[2], x[6]); |
| btf_16_adds_subs_sse2(x[3], x[7]); |
| |
| // stage 4 |
| btf_16_sse2(cospi_p16_p48, cospi_p48_m16, x[4], x[5], x[4], x[5]); |
| btf_16_sse2(cospi_m48_p16, cospi_p16_p48, x[6], x[7], x[6], x[7]); |
| |
| // stage 5 |
| btf_16_adds_subs_sse2(x[0], x[2]); |
| btf_16_adds_subs_sse2(x[1], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[6]); |
| btf_16_adds_subs_sse2(x[5], x[7]); |
| |
| // stage 6 |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[2], x[3], x[2], x[3]); |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[6], x[7], x[6], x[7]); |
| |
| // stage 7 |
| output[0] = x[0]; |
| output[1] = _mm_subs_epi16(__zero, x[4]); |
| output[2] = x[6]; |
| output[3] = _mm_subs_epi16(__zero, x[2]); |
| output[4] = x[3]; |
| output[5] = _mm_subs_epi16(__zero, x[7]); |
| output[6] = x[5]; |
| output[7] = _mm_subs_epi16(__zero, x[1]); |
| } |
| |
| static void iadst8_w4_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __zero = _mm_setzero_si128(); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p04_p60 = pair_set_epi16(cospi[4], cospi[60]); |
| const __m128i cospi_p60_m04 = pair_set_epi16(cospi[60], -cospi[4]); |
| const __m128i cospi_p20_p44 = pair_set_epi16(cospi[20], cospi[44]); |
| const __m128i cospi_p44_m20 = pair_set_epi16(cospi[44], -cospi[20]); |
| const __m128i cospi_p36_p28 = pair_set_epi16(cospi[36], cospi[28]); |
| const __m128i cospi_p28_m36 = pair_set_epi16(cospi[28], -cospi[36]); |
| const __m128i cospi_p52_p12 = pair_set_epi16(cospi[52], cospi[12]); |
| const __m128i cospi_p12_m52 = pair_set_epi16(cospi[12], -cospi[52]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_m48_p16 = pair_set_epi16(-cospi[48], cospi[16]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| |
| // stage 1 |
| __m128i x[8]; |
| x[0] = input[7]; |
| x[1] = input[0]; |
| x[2] = input[5]; |
| x[3] = input[2]; |
| x[4] = input[3]; |
| x[5] = input[4]; |
| x[6] = input[1]; |
| x[7] = input[6]; |
| |
| // stage 2 |
| btf_16_4p_sse2(cospi_p04_p60, cospi_p60_m04, x[0], x[1], x[0], x[1]); |
| btf_16_4p_sse2(cospi_p20_p44, cospi_p44_m20, x[2], x[3], x[2], x[3]); |
| btf_16_4p_sse2(cospi_p36_p28, cospi_p28_m36, x[4], x[5], x[4], x[5]); |
| btf_16_4p_sse2(cospi_p52_p12, cospi_p12_m52, x[6], x[7], x[6], x[7]); |
| |
| // stage 3 |
| btf_16_adds_subs_sse2(x[0], x[4]); |
| btf_16_adds_subs_sse2(x[1], x[5]); |
| btf_16_adds_subs_sse2(x[2], x[6]); |
| btf_16_adds_subs_sse2(x[3], x[7]); |
| |
| // stage 4 |
| btf_16_4p_sse2(cospi_p16_p48, cospi_p48_m16, x[4], x[5], x[4], x[5]); |
| btf_16_4p_sse2(cospi_m48_p16, cospi_p16_p48, x[6], x[7], x[6], x[7]); |
| |
| // stage 5 |
| btf_16_adds_subs_sse2(x[0], x[2]); |
| btf_16_adds_subs_sse2(x[1], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[6]); |
| btf_16_adds_subs_sse2(x[5], x[7]); |
| |
| // stage 6 |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[2], x[3], x[2], x[3]); |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[6], x[7], x[6], x[7]); |
| |
| // stage 7 |
| output[0] = x[0]; |
| output[1] = _mm_subs_epi16(__zero, x[4]); |
| output[2] = x[6]; |
| output[3] = _mm_subs_epi16(__zero, x[2]); |
| output[4] = x[3]; |
| output[5] = _mm_subs_epi16(__zero, x[7]); |
| output[6] = x[5]; |
| output[7] = _mm_subs_epi16(__zero, x[1]); |
| } |
| |
| static INLINE void iadst16_stage3_ssse3(__m128i *x) { |
| btf_16_adds_subs_sse2(x[0], x[8]); |
| btf_16_adds_subs_sse2(x[1], x[9]); |
| btf_16_adds_subs_sse2(x[2], x[10]); |
| btf_16_adds_subs_sse2(x[3], x[11]); |
| btf_16_adds_subs_sse2(x[4], x[12]); |
| btf_16_adds_subs_sse2(x[5], x[13]); |
| btf_16_adds_subs_sse2(x[6], x[14]); |
| btf_16_adds_subs_sse2(x[7], x[15]); |
| } |
| |
| static INLINE void iadst16_stage4_ssse3(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]); |
| const __m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]); |
| const __m128i cospi_m56_p08 = pair_set_epi16(-cospi[56], cospi[8]); |
| const __m128i cospi_m24_p40 = pair_set_epi16(-cospi[24], cospi[40]); |
| btf_16_sse2(cospi_p08_p56, cospi_p56_m08, x[8], x[9], x[8], x[9]); |
| btf_16_sse2(cospi_p40_p24, cospi_p24_m40, x[10], x[11], x[10], x[11]); |
| btf_16_sse2(cospi_m56_p08, cospi_p08_p56, x[12], x[13], x[12], x[13]); |
| btf_16_sse2(cospi_m24_p40, cospi_p40_p24, x[14], x[15], x[14], x[15]); |
| } |
| |
| static INLINE void iadst16_stage5_ssse3(__m128i *x) { |
| btf_16_adds_subs_sse2(x[0], x[4]); |
| btf_16_adds_subs_sse2(x[1], x[5]); |
| btf_16_adds_subs_sse2(x[2], x[6]); |
| btf_16_adds_subs_sse2(x[3], x[7]); |
| btf_16_adds_subs_sse2(x[8], x[12]); |
| btf_16_adds_subs_sse2(x[9], x[13]); |
| btf_16_adds_subs_sse2(x[10], x[14]); |
| btf_16_adds_subs_sse2(x[11], x[15]); |
| } |
| |
| static INLINE void iadst16_stage6_ssse3(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_m48_p16 = pair_set_epi16(-cospi[48], cospi[16]); |
| btf_16_sse2(cospi_p16_p48, cospi_p48_m16, x[4], x[5], x[4], x[5]); |
| btf_16_sse2(cospi_m48_p16, cospi_p16_p48, x[6], x[7], x[6], x[7]); |
| btf_16_sse2(cospi_p16_p48, cospi_p48_m16, x[12], x[13], x[12], x[13]); |
| btf_16_sse2(cospi_m48_p16, cospi_p16_p48, x[14], x[15], x[14], x[15]); |
| } |
| |
| static INLINE void iadst16_stage7_ssse3(__m128i *x) { |
| btf_16_adds_subs_sse2(x[0], x[2]); |
| btf_16_adds_subs_sse2(x[1], x[3]); |
| btf_16_adds_subs_sse2(x[4], x[6]); |
| btf_16_adds_subs_sse2(x[5], x[7]); |
| btf_16_adds_subs_sse2(x[8], x[10]); |
| btf_16_adds_subs_sse2(x[9], x[11]); |
| btf_16_adds_subs_sse2(x[12], x[14]); |
| btf_16_adds_subs_sse2(x[13], x[15]); |
| } |
| |
| static INLINE void iadst16_stage8_ssse3(__m128i *x, const int32_t *cospi, |
| const __m128i __rounding, |
| int8_t cos_bit) { |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[2], x[3], x[2], x[3]); |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[6], x[7], x[6], x[7]); |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[10], x[11], x[10], x[11]); |
| btf_16_sse2(cospi_p32_p32, cospi_p32_m32, x[14], x[15], x[14], x[15]); |
| } |
| |
| static INLINE void iadst16_stage9_ssse3(__m128i *output, __m128i *x) { |
| const __m128i __zero = _mm_setzero_si128(); |
| output[0] = x[0]; |
| output[1] = _mm_subs_epi16(__zero, x[8]); |
| output[2] = x[12]; |
| output[3] = _mm_subs_epi16(__zero, x[4]); |
| output[4] = x[6]; |
| output[5] = _mm_subs_epi16(__zero, x[14]); |
| output[6] = x[10]; |
| output[7] = _mm_subs_epi16(__zero, x[2]); |
| output[8] = x[3]; |
| output[9] = _mm_subs_epi16(__zero, x[11]); |
| output[10] = x[15]; |
| output[11] = _mm_subs_epi16(__zero, x[7]); |
| output[12] = x[5]; |
| output[13] = _mm_subs_epi16(__zero, x[13]); |
| output[14] = x[9]; |
| output[15] = _mm_subs_epi16(__zero, x[1]); |
| } |
| |
| static void iadst16_low1_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| |
| // stage 1 |
| __m128i x[16]; |
| x[1] = input[0]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[62], -cospi[2], x[1], x[0], x[1]); |
| |
| // stage 3 |
| x[8] = x[0]; |
| x[9] = x[1]; |
| |
| // stage 4 |
| btf_16_sse2(cospi_p08_p56, cospi_p56_m08, x[8], x[9], x[8], x[9]); |
| |
| // stage 5 |
| x[4] = x[0]; |
| x[5] = x[1]; |
| x[12] = x[8]; |
| x[13] = x[9]; |
| |
| // stage 6 |
| btf_16_sse2(cospi_p16_p48, cospi_p48_m16, x[4], x[5], x[4], x[5]); |
| btf_16_sse2(cospi_p16_p48, cospi_p48_m16, x[12], x[13], x[12], x[13]); |
| |
| // stage 7 |
| x[2] = x[0]; |
| x[3] = x[1]; |
| x[6] = x[4]; |
| x[7] = x[5]; |
| x[10] = x[8]; |
| x[11] = x[9]; |
| x[14] = x[12]; |
| x[15] = x[13]; |
| |
| iadst16_stage8_ssse3(x, cospi, __rounding, cos_bit); |
| iadst16_stage9_ssse3(output, x); |
| } |
| |
| static void iadst16_low8_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| // stage 1 |
| __m128i x[16]; |
| x[1] = input[0]; |
| x[3] = input[2]; |
| x[5] = input[4]; |
| x[7] = input[6]; |
| x[8] = input[7]; |
| x[10] = input[5]; |
| x[12] = input[3]; |
| x[14] = input[1]; |
| |
| // stage 2 |
| btf_16_ssse3(cospi[62], -cospi[2], x[1], x[0], x[1]); |
| btf_16_ssse3(cospi[54], -cospi[10], x[3], x[2], x[3]); |
| btf_16_ssse3(cospi[46], -cospi[18], x[5], x[4], x[5]); |
| btf_16_ssse3(cospi[38], -cospi[26], x[7], x[6], x[7]); |
| btf_16_ssse3(cospi[34], cospi[30], x[8], x[8], x[9]); |
| btf_16_ssse3(cospi[42], cospi[22], x[10], x[10], x[11]); |
| btf_16_ssse3(cospi[50], cospi[14], x[12], x[12], x[13]); |
| btf_16_ssse3(cospi[58], cospi[6], x[14], x[14], x[15]); |
| |
| // stage 3 |
| iadst16_stage3_ssse3(x); |
| iadst16_stage4_ssse3(x, cospi, __rounding, cos_bit); |
| iadst16_stage5_ssse3(x); |
| iadst16_stage6_ssse3(x, cospi, __rounding, cos_bit); |
| iadst16_stage7_ssse3(x); |
| iadst16_stage8_ssse3(x, cospi, __rounding, cos_bit); |
| iadst16_stage9_ssse3(output, x); |
| } |
| static void iadst16_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| const __m128i cospi_p02_p62 = pair_set_epi16(cospi[2], cospi[62]); |
| const __m128i cospi_p62_m02 = pair_set_epi16(cospi[62], -cospi[2]); |
| const __m128i cospi_p10_p54 = pair_set_epi16(cospi[10], cospi[54]); |
| const __m128i cospi_p54_m10 = pair_set_epi16(cospi[54], -cospi[10]); |
| const __m128i cospi_p18_p46 = pair_set_epi16(cospi[18], cospi[46]); |
| const __m128i cospi_p46_m18 = pair_set_epi16(cospi[46], -cospi[18]); |
| const __m128i cospi_p26_p38 = pair_set_epi16(cospi[26], cospi[38]); |
| const __m128i cospi_p38_m26 = pair_set_epi16(cospi[38], -cospi[26]); |
| const __m128i cospi_p34_p30 = pair_set_epi16(cospi[34], cospi[30]); |
| const __m128i cospi_p30_m34 = pair_set_epi16(cospi[30], -cospi[34]); |
| const __m128i cospi_p42_p22 = pair_set_epi16(cospi[42], cospi[22]); |
| const __m128i cospi_p22_m42 = pair_set_epi16(cospi[22], -cospi[42]); |
| const __m128i cospi_p50_p14 = pair_set_epi16(cospi[50], cospi[14]); |
| const __m128i cospi_p14_m50 = pair_set_epi16(cospi[14], -cospi[50]); |
| const __m128i cospi_p58_p06 = pair_set_epi16(cospi[58], cospi[6]); |
| const __m128i cospi_p06_m58 = pair_set_epi16(cospi[6], -cospi[58]); |
| |
| // stage 1 |
| __m128i x[16]; |
| x[0] = input[15]; |
| x[1] = input[0]; |
| x[2] = input[13]; |
| x[3] = input[2]; |
| x[4] = input[11]; |
| x[5] = input[4]; |
| x[6] = input[9]; |
| x[7] = input[6]; |
| x[8] = input[7]; |
| x[9] = input[8]; |
| x[10] = input[5]; |
| x[11] = input[10]; |
| x[12] = input[3]; |
| x[13] = input[12]; |
| x[14] = input[1]; |
| x[15] = input[14]; |
| |
| // stage 2 |
| btf_16_sse2(cospi_p02_p62, cospi_p62_m02, x[0], x[1], x[0], x[1]); |
| btf_16_sse2(cospi_p10_p54, cospi_p54_m10, x[2], x[3], x[2], x[3]); |
| btf_16_sse2(cospi_p18_p46, cospi_p46_m18, x[4], x[5], x[4], x[5]); |
| btf_16_sse2(cospi_p26_p38, cospi_p38_m26, x[6], x[7], x[6], x[7]); |
| btf_16_sse2(cospi_p34_p30, cospi_p30_m34, x[8], x[9], x[8], x[9]); |
| btf_16_sse2(cospi_p42_p22, cospi_p22_m42, x[10], x[11], x[10], x[11]); |
| btf_16_sse2(cospi_p50_p14, cospi_p14_m50, x[12], x[13], x[12], x[13]); |
| btf_16_sse2(cospi_p58_p06, cospi_p06_m58, x[14], x[15], x[14], x[15]); |
| |
| // stage 3~9 |
| iadst16_stage3_ssse3(x); |
| iadst16_stage4_ssse3(x, cospi, __rounding, cos_bit); |
| iadst16_stage5_ssse3(x); |
| iadst16_stage6_ssse3(x, cospi, __rounding, cos_bit); |
| iadst16_stage7_ssse3(x); |
| iadst16_stage8_ssse3(x, cospi, __rounding, cos_bit); |
| iadst16_stage9_ssse3(output, x); |
| } |
| |
| static void iadst16_w4_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int32_t *cospi = cospi_arr(INV_COS_BIT); |
| const __m128i __rounding = _mm_set1_epi32(1 << (INV_COS_BIT - 1)); |
| |
| const __m128i cospi_p02_p62 = pair_set_epi16(cospi[2], cospi[62]); |
| const __m128i cospi_p62_m02 = pair_set_epi16(cospi[62], -cospi[2]); |
| const __m128i cospi_p10_p54 = pair_set_epi16(cospi[10], cospi[54]); |
| const __m128i cospi_p54_m10 = pair_set_epi16(cospi[54], -cospi[10]); |
| const __m128i cospi_p18_p46 = pair_set_epi16(cospi[18], cospi[46]); |
| const __m128i cospi_p46_m18 = pair_set_epi16(cospi[46], -cospi[18]); |
| const __m128i cospi_p26_p38 = pair_set_epi16(cospi[26], cospi[38]); |
| const __m128i cospi_p38_m26 = pair_set_epi16(cospi[38], -cospi[26]); |
| const __m128i cospi_p34_p30 = pair_set_epi16(cospi[34], cospi[30]); |
| const __m128i cospi_p30_m34 = pair_set_epi16(cospi[30], -cospi[34]); |
| const __m128i cospi_p42_p22 = pair_set_epi16(cospi[42], cospi[22]); |
| const __m128i cospi_p22_m42 = pair_set_epi16(cospi[22], -cospi[42]); |
| const __m128i cospi_p50_p14 = pair_set_epi16(cospi[50], cospi[14]); |
| const __m128i cospi_p14_m50 = pair_set_epi16(cospi[14], -cospi[50]); |
| const __m128i cospi_p58_p06 = pair_set_epi16(cospi[58], cospi[6]); |
| const __m128i cospi_p06_m58 = pair_set_epi16(cospi[6], -cospi[58]); |
| const __m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]); |
| const __m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]); |
| const __m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]); |
| const __m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]); |
| const __m128i cospi_m56_p08 = pair_set_epi16(-cospi[56], cospi[8]); |
| const __m128i cospi_m24_p40 = pair_set_epi16(-cospi[24], cospi[40]); |
| const __m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]); |
| const __m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]); |
| const __m128i cospi_m48_p16 = pair_set_epi16(-cospi[48], cospi[16]); |
| const __m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]); |
| const __m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]); |
| |
| // stage 1 |
| __m128i x[16]; |
| x[0] = input[15]; |
| x[1] = input[0]; |
| x[2] = input[13]; |
| x[3] = input[2]; |
| x[4] = input[11]; |
| x[5] = input[4]; |
| x[6] = input[9]; |
| x[7] = input[6]; |
| x[8] = input[7]; |
| x[9] = input[8]; |
| x[10] = input[5]; |
| x[11] = input[10]; |
| x[12] = input[3]; |
| x[13] = input[12]; |
| x[14] = input[1]; |
| x[15] = input[14]; |
| |
| // stage 2 |
| btf_16_4p_sse2(cospi_p02_p62, cospi_p62_m02, x[0], x[1], x[0], x[1]); |
| btf_16_4p_sse2(cospi_p10_p54, cospi_p54_m10, x[2], x[3], x[2], x[3]); |
| btf_16_4p_sse2(cospi_p18_p46, cospi_p46_m18, x[4], x[5], x[4], x[5]); |
| btf_16_4p_sse2(cospi_p26_p38, cospi_p38_m26, x[6], x[7], x[6], x[7]); |
| btf_16_4p_sse2(cospi_p34_p30, cospi_p30_m34, x[8], x[9], x[8], x[9]); |
| btf_16_4p_sse2(cospi_p42_p22, cospi_p22_m42, x[10], x[11], x[10], x[11]); |
| btf_16_4p_sse2(cospi_p50_p14, cospi_p14_m50, x[12], x[13], x[12], x[13]); |
| btf_16_4p_sse2(cospi_p58_p06, cospi_p06_m58, x[14], x[15], x[14], x[15]); |
| |
| // stage 3 |
| iadst16_stage3_ssse3(x); |
| |
| // stage 4 |
| btf_16_4p_sse2(cospi_p08_p56, cospi_p56_m08, x[8], x[9], x[8], x[9]); |
| btf_16_4p_sse2(cospi_p40_p24, cospi_p24_m40, x[10], x[11], x[10], x[11]); |
| btf_16_4p_sse2(cospi_m56_p08, cospi_p08_p56, x[12], x[13], x[12], x[13]); |
| btf_16_4p_sse2(cospi_m24_p40, cospi_p40_p24, x[14], x[15], x[14], x[15]); |
| |
| // stage 5 |
| iadst16_stage5_ssse3(x); |
| |
| // stage 6 |
| btf_16_4p_sse2(cospi_p16_p48, cospi_p48_m16, x[4], x[5], x[4], x[5]); |
| btf_16_4p_sse2(cospi_m48_p16, cospi_p16_p48, x[6], x[7], x[6], x[7]); |
| btf_16_4p_sse2(cospi_p16_p48, cospi_p48_m16, x[12], x[13], x[12], x[13]); |
| btf_16_4p_sse2(cospi_m48_p16, cospi_p16_p48, x[14], x[15], x[14], x[15]); |
| |
| // stage 7 |
| iadst16_stage7_ssse3(x); |
| |
| // stage 8 |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[2], x[3], x[2], x[3]); |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[6], x[7], x[6], x[7]); |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[10], x[11], x[10], x[11]); |
| btf_16_4p_sse2(cospi_p32_p32, cospi_p32_m32, x[14], x[15], x[14], x[15]); |
| |
| // stage 9 |
| iadst16_stage9_ssse3(output, x); |
| } |
| |
| static void iidentity4_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int16_t scale_fractional = (NewSqrt2 - (1 << NewSqrt2Bits)); |
| const __m128i scale = _mm_set1_epi16(scale_fractional << (15 - NewSqrt2Bits)); |
| for (int i = 0; i < 4; ++i) { |
| __m128i x = _mm_mulhrs_epi16(input[i], scale); |
| output[i] = _mm_adds_epi16(x, input[i]); |
| } |
| } |
| |
| static void iidentity8_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| for (int i = 0; i < 8; ++i) { |
| output[i] = _mm_adds_epi16(input[i], input[i]); |
| } |
| } |
| |
| static void iidentity16_ssse3(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const int16_t scale_fractional = 2 * (NewSqrt2 - (1 << NewSqrt2Bits)); |
| const __m128i scale = _mm_set1_epi16(scale_fractional << (15 - NewSqrt2Bits)); |
| for (int i = 0; i < 16; ++i) { |
| __m128i x = _mm_mulhrs_epi16(input[i], scale); |
| __m128i srcx2 = _mm_adds_epi16(input[i], input[i]); |
| output[i] = _mm_adds_epi16(x, srcx2); |
| } |
| } |
| |
| static INLINE __m128i lowbd_get_recon_8x8_sse2(const __m128i pred, |
| __m128i res) { |
| const __m128i zero = _mm_setzero_si128(); |
| __m128i x0 = _mm_adds_epi16(res, _mm_unpacklo_epi8(pred, zero)); |
| return _mm_packus_epi16(x0, x0); |
| } |
| |
| static INLINE void lowbd_write_buffer_4xn_sse2(__m128i *in, uint8_t *output, |
| int stride, int flipud, |
| const int height) { |
| int j = flipud ? (height - 1) : 0; |
| const int step = flipud ? -1 : 1; |
| const __m128i zero = _mm_setzero_si128(); |
| for (int i = 0; i < height; ++i, j += step) { |
| const __m128i v = _mm_cvtsi32_si128(*((uint32_t *)(output + i * stride))); |
| __m128i u = _mm_adds_epi16(in[j], _mm_unpacklo_epi8(v, zero)); |
| u = _mm_packus_epi16(u, zero); |
| *((uint32_t *)(output + i * stride)) = _mm_cvtsi128_si32(u); |
| } |
| } |
| |
| static INLINE void lowbd_write_buffer_8xn_sse2(__m128i *in, uint8_t *output, |
| int stride, int flipud, |
| const int height) { |
| int j = flipud ? (height - 1) : 0; |
| const int step = flipud ? -1 : 1; |
| for (int i = 0; i < height; ++i, j += step) { |
| const __m128i v = _mm_loadl_epi64((__m128i const *)(output + i * stride)); |
| const __m128i u = lowbd_get_recon_8x8_sse2(v, in[j]); |
| _mm_storel_epi64((__m128i *)(output + i * stride), u); |
| } |
| } |
| |
| // 1D functions process process 8 pixels at one time. |
| static const transform_1d_ssse3 |
| lowbd_txfm_all_1d_w8_arr[TX_SIZES][ITX_TYPES_1D] = { |
| { idct4_sse2, iadst4_sse2, iidentity4_ssse3 }, |
| { idct8_sse2, iadst8_sse2, iidentity8_sse2 }, |
| { idct16_sse2, iadst16_sse2, iidentity16_ssse3 }, |
| { idct32_sse2, NULL, NULL }, |
| { idct64_low32_ssse3, NULL, NULL }, |
| }; |
| |
| // functions for blocks with eob at DC and within |
| // topleft 8x8, 16x16, 32x32 corner |
| static const transform_1d_ssse3 |
| lowbd_txfm_all_1d_zeros_w8_arr[TX_SIZES][ITX_TYPES_1D][4] = { |
| { |
| { idct4_sse2, idct4_sse2, NULL, NULL }, |
| { iadst4_sse2, iadst4_sse2, NULL, NULL }, |
| { iidentity4_ssse3, iidentity4_ssse3, NULL, NULL }, |
| }, |
| { { idct8_low1_ssse3, idct8_sse2, NULL, NULL }, |
| { iadst8_low1_ssse3, iadst8_sse2, NULL, NULL }, |
| { iidentity8_sse2, iidentity8_sse2, NULL, NULL } }, |
| { |
| { idct16_low1_ssse3, idct16_low8_ssse3, idct16_sse2, NULL }, |
| { iadst16_low1_ssse3, iadst16_low8_ssse3, iadst16_sse2, NULL }, |
| { NULL, NULL, NULL, NULL }, |
| }, |
| { { idct32_low1_ssse3, idct32_low8_ssse3, idct32_low16_ssse3, |
| idct32_sse2 }, |
| { NULL, NULL, NULL, NULL }, |
| { NULL, NULL, NULL, NULL } }, |
| { { idct64_low1_ssse3, idct64_low8_ssse3, idct64_low16_ssse3, |
| idct64_low32_ssse3 }, |
| { NULL, NULL, NULL, NULL }, |
| { NULL, NULL, NULL, NULL } } |
| }; |
| |
| // 1D functions process process 4 pixels at one time. |
| // used in 4x4, 4x8, 4x16, 8x4, 16x4 |
| static const transform_1d_ssse3 |
| lowbd_txfm_all_1d_w4_arr[TX_SIZES][ITX_TYPES_1D] = { |
| { idct4_w4_sse2, iadst4_w4_sse2, iidentity4_ssse3 }, |
| { idct8_w4_sse2, iadst8_w4_sse2, iidentity8_sse2 }, |
| { idct16_w4_sse2, iadst16_w4_sse2, iidentity16_ssse3 }, |
| { NULL, NULL, NULL }, |
| { NULL, NULL, NULL }, |
| }; |
| |
| static INLINE void iidentity_row_8xn_ssse3(__m128i *out, const int32_t *input, |
| int stride, int shift, int height, |
| int txw_idx, int rect_type) { |
| const int32_t *input_row = input; |
| const __m128i scale = _mm_set1_epi16(NewSqrt2list[txw_idx]); |
| const __m128i rounding = _mm_set1_epi16((1 << (NewSqrt2Bits - 1)) + |
| (1 << (NewSqrt2Bits - shift - 1))); |
| const __m128i one = _mm_set1_epi16(1); |
| const __m128i scale_rounding = _mm_unpacklo_epi16(scale, rounding); |
| if (rect_type != 1 && rect_type != -1) { |
| for (int i = 0; i < height; ++i) { |
| const __m128i src = load_32bit_to_16bit(input_row); |
| input_row += stride; |
| __m128i lo = _mm_unpacklo_epi16(src, one); |
| __m128i hi = _mm_unpackhi_epi16(src, one); |
| lo = _mm_madd_epi16(lo, scale_rounding); |
| hi = _mm_madd_epi16(hi, scale_rounding); |
| lo = _mm_srai_epi32(lo, NewSqrt2Bits - shift); |
| hi = _mm_srai_epi32(hi, NewSqrt2Bits - shift); |
| out[i] = _mm_packs_epi32(lo, hi); |
| } |
| } else { |
| const __m128i rect_scale = |
| _mm_set1_epi16(NewInvSqrt2 << (15 - NewSqrt2Bits)); |
| for (int i = 0; i < height; ++i) { |
| __m128i src = load_32bit_to_16bit(input_row); |
| src = _mm_mulhrs_epi16(src, rect_scale); |
| input_row += stride; |
| __m128i lo = _mm_unpacklo_epi16(src, one); |
| __m128i hi = _mm_unpackhi_epi16(src, one); |
| lo = _mm_madd_epi16(lo, scale_rounding); |
| hi = _mm_madd_epi16(hi, scale_rounding); |
| lo = _mm_srai_epi32(lo, NewSqrt2Bits - shift); |
| hi = _mm_srai_epi32(hi, NewSqrt2Bits - shift); |
| out[i] = _mm_packs_epi32(lo, hi); |
| } |
| } |
| } |
| |
| static INLINE void iidentity_col_8xn_ssse3(uint8_t *output, int stride, |
| __m128i *buf, int shift, int height, |
| int txh_idx) { |
| const __m128i scale = _mm_set1_epi16(NewSqrt2list[txh_idx]); |
| const __m128i scale_rounding = _mm_set1_epi16(1 << (NewSqrt2Bits - 1)); |
| const __m128i shift_rounding = _mm_set1_epi32(1 << (-shift - 1)); |
| const __m128i one = _mm_set1_epi16(1); |
| const __m128i scale_coeff = _mm_unpacklo_epi16(scale, scale_rounding); |
| const __m128i zero = _mm_setzero_si128(); |
| for (int h = 0; h < height; ++h) { |
| __m128i lo = _mm_unpacklo_epi16(buf[h], one); |
| __m128i hi = _mm_unpackhi_epi16(buf[h], one); |
| lo = _mm_madd_epi16(lo, scale_coeff); |
| hi = _mm_madd_epi16(hi, scale_coeff); |
| lo = _mm_srai_epi32(lo, NewSqrt2Bits); |
| hi = _mm_srai_epi32(hi, NewSqrt2Bits); |
| lo = _mm_add_epi32(lo, shift_rounding); |
| hi = _mm_add_epi32(hi, shift_rounding); |
| lo = _mm_srai_epi32(lo, -shift); |
| hi = _mm_srai_epi32(hi, -shift); |
| __m128i x = _mm_packs_epi32(lo, hi); |
| |
| const __m128i pred = _mm_loadl_epi64((__m128i const *)(output)); |
| x = _mm_adds_epi16(x, _mm_unpacklo_epi8(pred, zero)); |
| const __m128i u = _mm_packus_epi16(x, x); |
| _mm_storel_epi64((__m128i *)(output), u); |
| output += stride; |
| } |
| } |
| |
| static INLINE void lowbd_inv_txfm2d_add_idtx_ssse3(const int32_t *input, |
| uint8_t *output, int stride, |
| TX_SIZE tx_size) { |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| const int input_stride = AOMMIN(32, txfm_size_col); |
| const int row_max = AOMMIN(32, txfm_size_row); |
| const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); |
| __m128i buf[32]; |
| |
| for (int i = 0; i < (input_stride >> 3); ++i) { |
| iidentity_row_8xn_ssse3(buf, input + 8 * i, input_stride, shift[0], row_max, |
| txw_idx, rect_type); |
| iidentity_col_8xn_ssse3(output + 8 * i, stride, buf, shift[1], row_max, |
| txh_idx); |
| } |
| } |
| |
| static void lowbd_inv_txfm2d_add_4x4_ssse3(const int32_t *input, |
| uint8_t *output, int stride, |
| TX_TYPE tx_type, TX_SIZE tx_size_, |
| int eob) { |
| (void)tx_size_; |
| (void)eob; |
| __m128i buf[4]; |
| const TX_SIZE tx_size = TX_4X4; |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_row = av1_inv_cos_bit_row[txw_idx][txh_idx]; |
| const int cos_bit_col = av1_inv_cos_bit_col[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| |
| const transform_1d_ssse3 row_txfm = |
| lowbd_txfm_all_1d_w4_arr[txw_idx][hitx_1d_tab[tx_type]]; |
| const transform_1d_ssse3 col_txfm = |
| lowbd_txfm_all_1d_w4_arr[txh_idx][vitx_1d_tab[tx_type]]; |
| |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| load_buffer_32bit_to_16bit_w4(input, txfm_size_col, buf, txfm_size_row); |
| transpose_16bit_4x4(buf, buf); |
| row_txfm(buf, buf, cos_bit_row); |
| if (lr_flip) { |
| __m128i temp[4]; |
| flip_buf_sse2(buf, temp, txfm_size_col); |
| transpose_16bit_4x4(temp, buf); |
| } else { |
| transpose_16bit_4x4(buf, buf); |
| } |
| col_txfm(buf, buf, cos_bit_col); |
| round_shift_16bit_ssse3(buf, txfm_size_row, shift[1]); |
| lowbd_write_buffer_4xn_sse2(buf, output, stride, ud_flip, txfm_size_row); |
| } |
| |
| static INLINE __m128i lowbd_get_recon_16x16_sse2(const __m128i pred, |
| __m128i res0, __m128i res1) { |
| const __m128i zero = _mm_setzero_si128(); |
| __m128i x0 = _mm_unpacklo_epi8(pred, zero); |
| __m128i x1 = _mm_unpackhi_epi8(pred, zero); |
| x0 = _mm_adds_epi16(res0, x0); |
| x1 = _mm_adds_epi16(res1, x1); |
| return _mm_packus_epi16(x0, x1); |
| } |
| |
| static INLINE void lowbd_write_buffer_16xn_sse2(__m128i *in, uint8_t *output, |
| int stride, int flipud, |
| int height) { |
| int j = flipud ? (height - 1) : 0; |
| const int step = flipud ? -1 : 1; |
| for (int i = 0; i < height; ++i, j += step) { |
| __m128i v = _mm_loadu_si128((__m128i const *)(output + i * stride)); |
| __m128i u = lowbd_get_recon_16x16_sse2(v, in[j], in[j + height]); |
| _mm_storeu_si128((__m128i *)(output + i * stride), u); |
| } |
| } |
| |
| static INLINE void round_shift_ssse3(const __m128i *input, __m128i *output, |
| int size) { |
| const __m128i scale = _mm_set1_epi16(NewInvSqrt2 * 8); |
| for (int i = 0; i < size; ++i) { |
| output[i] = _mm_mulhrs_epi16(input[i], scale); |
| } |
| } |
| |
| static INLINE void lowbd_inv_txfm2d_add_no_identity_ssse3( |
| const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, |
| TX_SIZE tx_size, int eob) { |
| __m128i buf1[64 * 8]; |
| int eobx, eoby; |
| get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_col = av1_inv_cos_bit_col[txw_idx][txh_idx]; |
| const int cos_bit_row = av1_inv_cos_bit_row[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| const int buf_size_w_div8 = txfm_size_col >> 3; |
| const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3; |
| const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; |
| const int input_stride = AOMMIN(32, txfm_size_col); |
| const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); |
| |
| const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; |
| const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; |
| const transform_1d_ssse3 row_txfm = |
| lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; |
| const transform_1d_ssse3 col_txfm = |
| lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; |
| |
| assert(col_txfm != NULL); |
| assert(row_txfm != NULL); |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| for (int i = 0; i < buf_size_nonzero_h_div8; i++) { |
| __m128i buf0[64]; |
| const int32_t *input_row = input + i * input_stride * 8; |
| for (int j = 0; j < buf_size_nonzero_w_div8; ++j) { |
| __m128i *buf0_cur = buf0 + j * 8; |
| load_buffer_32bit_to_16bit(input_row + j * 8, input_stride, buf0_cur, 8); |
| transpose_16bit_8x8(buf0_cur, buf0_cur); |
| } |
| if (rect_type == 1 || rect_type == -1) { |
| round_shift_ssse3(buf0, buf0, input_stride); // rect special code |
| } |
| row_txfm(buf0, buf0, cos_bit_row); |
| round_shift_16bit_ssse3(buf0, txfm_size_col, shift[0]); |
| __m128i *_buf1 = buf1 + i * 8; |
| if (lr_flip) { |
| for (int j = 0; j < buf_size_w_div8; ++j) { |
| __m128i temp[8]; |
| flip_buf_sse2(buf0 + 8 * j, temp, 8); |
| transpose_16bit_8x8(temp, |
| _buf1 + txfm_size_row * (buf_size_w_div8 - 1 - j)); |
| } |
| } else { |
| for (int j = 0; j < buf_size_w_div8; ++j) { |
| transpose_16bit_8x8(buf0 + 8 * j, _buf1 + txfm_size_row * j); |
| } |
| } |
| } |
| for (int i = 0; i < buf_size_w_div8; i++) { |
| col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row, cos_bit_col); |
| round_shift_16bit_ssse3(buf1 + i * txfm_size_row, txfm_size_row, shift[1]); |
| } |
| |
| if (txfm_size_col >= 16) { |
| for (int i = 0; i < (txfm_size_col >> 4); i++) { |
| lowbd_write_buffer_16xn_sse2(buf1 + i * txfm_size_row * 2, |
| output + 16 * i, stride, ud_flip, |
| txfm_size_row); |
| } |
| } else if (txfm_size_col == 8) { |
| lowbd_write_buffer_8xn_sse2(buf1, output, stride, ud_flip, txfm_size_row); |
| } |
| } |
| |
| static INLINE void lowbd_inv_txfm2d_add_h_identity_ssse3( |
| const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, |
| TX_SIZE tx_size, int eob) { |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| int eobx, eoby; |
| get_eobx_eoby_scan_h_identity(&eobx, &eoby, tx_size, eob); |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_col = av1_inv_cos_bit_col[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| const int buf_size_w_div8 = (eobx + 8) >> 3; |
| const int input_stride = AOMMIN(32, txfm_size_col); |
| const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); |
| |
| const int fun_idx = lowbd_txfm_all_1d_zeros_idx[eoby]; |
| assert(fun_idx < 5); |
| const transform_1d_ssse3 col_txfm = |
| lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx]; |
| |
| assert(col_txfm != NULL); |
| |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| for (int i = 0; i < buf_size_w_div8; i++) { |
| __m128i buf0[64]; |
| iidentity_row_8xn_ssse3(buf0, input + 8 * i, input_stride, shift[0], |
| eoby + 1, txw_idx, rect_type); |
| col_txfm(buf0, buf0, cos_bit_col); |
| __m128i mshift = _mm_set1_epi16(1 << (15 + shift[1])); |
| int k = ud_flip ? (txfm_size_row - 1) : 0; |
| const int step = ud_flip ? -1 : 1; |
| uint8_t *out = output + 8 * i; |
| for (int j = 0; j < txfm_size_row; ++j, k += step) { |
| const __m128i v = _mm_loadl_epi64((__m128i const *)(out)); |
| __m128i res = _mm_mulhrs_epi16(buf0[k], mshift); |
| const __m128i u = lowbd_get_recon_8x8_sse2(v, res); |
| _mm_storel_epi64((__m128i *)(out), u); |
| out += stride; |
| } |
| } |
| } |
| |
| static INLINE void lowbd_inv_txfm2d_add_v_identity_ssse3( |
| const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, |
| TX_SIZE tx_size, int eob) { |
| __m128i buf1[64]; |
| int eobx, eoby; |
| get_eobx_eoby_scan_v_identity(&eobx, &eoby, tx_size, eob); |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_row = av1_inv_cos_bit_row[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| const int buf_size_w_div8 = txfm_size_col >> 3; |
| const int buf_size_h_div8 = (eoby + 8) >> 3; |
| const int input_stride = AOMMIN(32, txfm_size_col); |
| const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); |
| |
| const int fun_idx = lowbd_txfm_all_1d_zeros_idx[eobx]; |
| const transform_1d_ssse3 row_txfm = |
| lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx]; |
| |
| assert(row_txfm != NULL); |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| for (int i = 0; i < buf_size_h_div8; i++) { |
| __m128i buf0[64]; |
| const int32_t *input_row = input + i * input_stride * 8; |
| for (int j = 0; j < AOMMIN(4, buf_size_w_div8); ++j) { |
| __m128i *buf0_cur = buf0 + j * 8; |
| load_buffer_32bit_to_16bit(input_row + j * 8, input_stride, buf0_cur, 8); |
| transpose_16bit_8x8(buf0_cur, buf0_cur); |
| } |
| if (rect_type == 1 || rect_type == -1) { |
| round_shift_ssse3(buf0, buf0, input_stride); // rect special code |
| } |
| row_txfm(buf0, buf0, cos_bit_row); |
| round_shift_16bit_ssse3(buf0, txfm_size_col, shift[0]); |
| __m128i *_buf1 = buf1; |
| if (lr_flip) { |
| for (int j = 0; j < buf_size_w_div8; ++j) { |
| __m128i temp[8]; |
| flip_buf_sse2(buf0 + 8 * j, temp, 8); |
| transpose_16bit_8x8(temp, _buf1 + 8 * (buf_size_w_div8 - 1 - j)); |
| } |
| } else { |
| for (int j = 0; j < buf_size_w_div8; ++j) { |
| transpose_16bit_8x8(buf0 + 8 * j, _buf1 + 8 * j); |
| } |
| } |
| |
| for (int j = 0; j < buf_size_w_div8; ++j) { |
| iidentity_col_8xn_ssse3(output + i * 8 * stride + j * 8, stride, |
| buf1 + j * 8, shift[1], 8, txh_idx); |
| } |
| } |
| } |
| |
| // for 32x32,32x64,64x32,64x64,32x8,8x32,16x32,32x16,64x16,16x64 |
| static INLINE void lowbd_inv_txfm2d_add_universe_ssse3( |
| const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, |
| TX_SIZE tx_size, int eob) { |
| switch (tx_type) { |
| case DCT_DCT: |
| lowbd_inv_txfm2d_add_no_identity_ssse3(input, output, stride, tx_type, |
| tx_size, eob); |
| break; |
| case IDTX: |
| lowbd_inv_txfm2d_add_idtx_ssse3(input, output, stride, tx_size); |
| break; |
| case V_DCT: |
| case V_ADST: |
| case V_FLIPADST: |
| lowbd_inv_txfm2d_add_h_identity_ssse3(input, output, stride, tx_type, |
| tx_size, eob); |
| break; |
| case H_DCT: |
| case H_ADST: |
| case H_FLIPADST: |
| lowbd_inv_txfm2d_add_v_identity_ssse3(input, output, stride, tx_type, |
| tx_size, eob); |
| break; |
| default: |
| lowbd_inv_txfm2d_add_no_identity_ssse3(input, output, stride, tx_type, |
| tx_size, eob); |
| break; |
| } |
| } |
| |
| static void lowbd_inv_txfm2d_add_4x8_ssse3(const int32_t *input, |
| uint8_t *output, int stride, |
| TX_TYPE tx_type, TX_SIZE tx_size_, |
| int eob) { |
| (void)tx_size_; |
| (void)eob; |
| __m128i buf[8]; |
| const TX_SIZE tx_size = TX_4X8; |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_row = av1_inv_cos_bit_row[txw_idx][txh_idx]; |
| const int cos_bit_col = av1_inv_cos_bit_col[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| |
| const transform_1d_ssse3 row_txfm = |
| lowbd_txfm_all_1d_w8_arr[txw_idx][hitx_1d_tab[tx_type]]; |
| const transform_1d_ssse3 col_txfm = |
| lowbd_txfm_all_1d_w4_arr[txh_idx][vitx_1d_tab[tx_type]]; |
| |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| load_buffer_32bit_to_16bit_w4(input, txfm_size_col, buf, txfm_size_row); |
| transpose_16bit_4x8(buf, buf); |
| round_shift_ssse3(buf, buf, txfm_size_col); // rect special code |
| row_txfm(buf, buf, cos_bit_row); |
| // round_shift_16bit_ssse3(buf, txfm_size_col, shift[0]);// shift[0] is 0 |
| if (lr_flip) { |
| __m128i temp[4]; |
| flip_buf_sse2(buf, temp, txfm_size_col); |
| transpose_16bit_8x4(temp, buf); |
| } else { |
| transpose_16bit_8x4(buf, buf); |
| } |
| col_txfm(buf, buf, cos_bit_col); |
| round_shift_16bit_ssse3(buf, txfm_size_row, shift[1]); |
| lowbd_write_buffer_4xn_sse2(buf, output, stride, ud_flip, txfm_size_row); |
| } |
| |
| static void lowbd_inv_txfm2d_add_8x4_ssse3(const int32_t *input, |
| uint8_t *output, int stride, |
| TX_TYPE tx_type, TX_SIZE tx_size_, |
| int eob) { |
| (void)tx_size_; |
| (void)eob; |
| __m128i buf[8]; |
| const TX_SIZE tx_size = TX_8X4; |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_row = av1_inv_cos_bit_row[txw_idx][txh_idx]; |
| const int cos_bit_col = av1_inv_cos_bit_col[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| |
| const transform_1d_ssse3 row_txfm = |
| lowbd_txfm_all_1d_w4_arr[txw_idx][hitx_1d_tab[tx_type]]; |
| const transform_1d_ssse3 col_txfm = |
| lowbd_txfm_all_1d_w8_arr[txh_idx][vitx_1d_tab[tx_type]]; |
| |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| load_buffer_32bit_to_16bit(input, txfm_size_col, buf, txfm_size_row); |
| transpose_16bit_8x4(buf, buf); |
| round_shift_ssse3(buf, buf, txfm_size_col); // rect special code |
| row_txfm(buf, buf, cos_bit_row); |
| // round_shift_16bit_ssse3(buf, txfm_size_col, shift[0]); // shift[0] is 0 |
| if (lr_flip) { |
| __m128i temp[8]; |
| flip_buf_sse2(buf, temp, txfm_size_col); |
| transpose_16bit_4x8(temp, buf); |
| } else { |
| transpose_16bit_4x8(buf, buf); |
| } |
| col_txfm(buf, buf, cos_bit_col); |
| round_shift_16bit_ssse3(buf, txfm_size_row, shift[1]); |
| lowbd_write_buffer_8xn_sse2(buf, output, stride, ud_flip, txfm_size_row); |
| } |
| |
| static void lowbd_inv_txfm2d_add_4x16_ssse3(const int32_t *input, |
| uint8_t *output, int stride, |
| TX_TYPE tx_type, TX_SIZE tx_size_, |
| int eob) { |
| (void)tx_size_; |
| (void)eob; |
| __m128i buf[16]; |
| const TX_SIZE tx_size = TX_4X16; |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_row = av1_inv_cos_bit_row[txw_idx][txh_idx]; |
| const int cos_bit_col = av1_inv_cos_bit_col[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| |
| const transform_1d_ssse3 row_txfm = |
| lowbd_txfm_all_1d_w8_arr[txw_idx][hitx_1d_tab[tx_type]]; |
| const transform_1d_ssse3 col_txfm = |
| lowbd_txfm_all_1d_w4_arr[txh_idx][vitx_1d_tab[tx_type]]; |
| |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| |
| const int row_one_loop = 8; |
| for (int i = 0; i < 2; ++i) { |
| const int32_t *input_cur = input + i * txfm_size_col * row_one_loop; |
| __m128i *buf_cur = buf + i * row_one_loop; |
| load_buffer_32bit_to_16bit_w4(input_cur, txfm_size_col, buf_cur, |
| row_one_loop); |
| transpose_16bit_4x8(buf_cur, buf_cur); |
| if (row_txfm == iidentity4_ssse3) { |
| const __m128i scale = pair_set_epi16(NewSqrt2, 3 << (NewSqrt2Bits - 1)); |
| const __m128i ones = _mm_set1_epi16(1); |
| for (int j = 0; j < 4; ++j) { |
| const __m128i buf_lo = _mm_unpacklo_epi16(buf_cur[j], ones); |
| const __m128i buf_hi = _mm_unpackhi_epi16(buf_cur[j], ones); |
| const __m128i buf_32_lo = |
| _mm_srai_epi32(_mm_madd_epi16(buf_lo, scale), (NewSqrt2Bits + 1)); |
| const __m128i buf_32_hi = |
| _mm_srai_epi32(_mm_madd_epi16(buf_hi, scale), (NewSqrt2Bits + 1)); |
| buf_cur[j] = _mm_packs_epi32(buf_32_lo, buf_32_hi); |
| } |
| } else { |
| row_txfm(buf_cur, buf_cur, cos_bit_row); |
| round_shift_16bit_ssse3(buf_cur, row_one_loop, shift[0]); |
| } |
| if (lr_flip) { |
| __m128i temp[8]; |
| flip_buf_sse2(buf_cur, temp, txfm_size_col); |
| transpose_16bit_8x4(temp, buf_cur); |
| } else { |
| transpose_16bit_8x4(buf_cur, buf_cur); |
| } |
| } |
| col_txfm(buf, buf, cos_bit_col); |
| round_shift_16bit_ssse3(buf, txfm_size_row, shift[1]); |
| lowbd_write_buffer_4xn_sse2(buf, output, stride, ud_flip, txfm_size_row); |
| } |
| |
| static void lowbd_inv_txfm2d_add_16x4_ssse3(const int32_t *input, |
| uint8_t *output, int stride, |
| TX_TYPE tx_type, TX_SIZE tx_size_, |
| int eob) { |
| (void)tx_size_; |
| (void)eob; |
| __m128i buf[16]; |
| const TX_SIZE tx_size = TX_16X4; |
| const int8_t *shift = av1_inv_txfm_shift_ls[tx_size]; |
| const int txw_idx = get_txw_idx(tx_size); |
| const int txh_idx = get_txh_idx(tx_size); |
| const int cos_bit_row = av1_inv_cos_bit_row[txw_idx][txh_idx]; |
| const int cos_bit_col = av1_inv_cos_bit_col[txw_idx][txh_idx]; |
| const int txfm_size_col = tx_size_wide[tx_size]; |
| const int txfm_size_row = tx_size_high[tx_size]; |
| const int buf_size_w_div8 = txfm_size_col >> 3; |
| |
| const transform_1d_ssse3 row_txfm = |
| lowbd_txfm_all_1d_w4_arr[txw_idx][hitx_1d_tab[tx_type]]; |
| const transform_1d_ssse3 col_txfm = |
| lowbd_txfm_all_1d_w8_arr[txh_idx][vitx_1d_tab[tx_type]]; |
| |
| int ud_flip, lr_flip; |
| get_flip_cfg(tx_type, &ud_flip, &lr_flip); |
| const int row_one_loop = 8; |
| for (int i = 0; i < buf_size_w_div8; ++i) { |
| const int32_t *input_cur = input + i * row_one_loop; |
| __m128i *buf_cur = buf + i * row_one_loop; |
| load_buffer_32bit_to_16bit(input_cur, txfm_size_col, buf_cur, |
| txfm_size_row); |
| transpose_16bit_8x4(buf_cur, buf_cur); |
| } |
| if (row_txfm == iidentity16_ssse3) { |
| const __m128i scale = pair_set_epi16(2 * NewSqrt2, 3 << (NewSqrt2Bits - 1)); |
| const __m128i ones = _mm_set1_epi16(1); |
| for (int j = 0; j < 16; ++j) { |
| const __m128i buf_lo = _mm_unpacklo_epi16(buf[j], ones); |
| const __m128i buf_hi = _mm_unpackhi_epi16(buf[j], ones); |
| const __m128i buf_32_lo = |
| _mm_srai_epi32(_mm_madd_epi16(buf_lo, scale), (NewSqrt2Bits + 1)); |
| const __m128i buf_32_hi = |
| _mm_srai_epi32(_mm_madd_epi16(buf_hi, scale), (NewSqrt2Bits + 1)); |
| buf[j] = _mm_packs_epi32(buf_32_lo, buf_32_hi); |
| } |
| } else { |
| row_txfm(buf, buf, cos_bit_row); |
| round_shift_16bit_ssse3(buf, txfm_size_col, shift[0]); |
| } |
| if (lr_flip) { |
| __m128i temp[16]; |
| flip_buf_sse2(buf, temp, 16); |
| transpose_16bit_4x8(temp, buf); |
| transpose_16bit_4x8(temp + 8, buf + 8); |
| } else { |
| transpose_16bit_4x8(buf, buf); |
| transpose_16bit_4x8(buf + row_one_loop, buf + row_one_loop); |
| } |
| for (int i = 0; i < buf_size_w_div8; i++) { |
| col_txfm(buf + i * row_one_loop, buf + i * row_one_loop, cos_bit_col); |
| round_shift_16bit_ssse3(buf + i * row_one_loop, txfm_size_row, shift[1]); |
| } |
| lowbd_write_buffer_8xn_sse2(buf, output, stride, ud_flip, 4); |
| lowbd_write_buffer_8xn_sse2(buf + 8, output + 8, stride, ud_flip, 4); |
| } |
| |
| void av1_lowbd_inv_txfm2d_add_ssse3(const int32_t *input, uint8_t *output, |
| int stride, TX_TYPE tx_type, |
| TX_SIZE tx_size, int eob) { |
| switch (tx_size) { |
| case TX_4X4: |
| lowbd_inv_txfm2d_add_4x4_ssse3(input, output, stride, tx_type, tx_size, |
| eob); |
| break; |
| case TX_4X8: |
| lowbd_inv_txfm2d_add_4x8_ssse3(input, output, stride, tx_type, tx_size, |
| eob); |
| break; |
| case TX_8X4: |
| lowbd_inv_txfm2d_add_8x4_ssse3(input, output, stride, tx_type, tx_size, |
| eob); |
| break; |
| case TX_4X16: |
| lowbd_inv_txfm2d_add_4x16_ssse3(input, output, stride, tx_type, tx_size, |
| eob); |
| break; |
| case TX_16X4: |
| lowbd_inv_txfm2d_add_16x4_ssse3(input, output, stride, tx_type, tx_size, |
| eob); |
| break; |
| default: |
| lowbd_inv_txfm2d_add_universe_ssse3(input, output, stride, tx_type, |
| tx_size, eob); |
| break; |
| } |
| } |
| |
| void av1_inv_txfm_add_ssse3(const tran_low_t *dqcoeff, uint8_t *dst, int stride, |
| const TxfmParam *txfm_param) { |
| if (!txfm_param->lossless) { |
| const TX_TYPE tx_type = txfm_param->tx_type; |
| av1_lowbd_inv_txfm2d_add_ssse3(dqcoeff, dst, stride, tx_type, |
| txfm_param->tx_size, txfm_param->eob); |
| |
| } else { |
| av1_inv_txfm_add_c(dqcoeff, dst, stride, txfm_param); |
| } |
| } |
