| /* |
| * 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. |
| */ |
| #ifndef AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_SSE2_H_ |
| #define AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_SSE2_H_ |
| |
| #include <immintrin.h> |
| |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/x86/transpose_sse2.h" |
| #include "aom_dsp/x86/txfm_common_sse2.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| void av1_fdct8x32_new_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit); |
| void av1_fdct8x64_new_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit); |
| |
| static INLINE void fidentity4x4_new_sse2(const __m128i *const input, |
| __m128i *const output, |
| const int8_t cos_bit) { |
| (void)cos_bit; |
| const __m128i one = _mm_set1_epi16(1); |
| |
| for (int i = 0; i < 4; ++i) { |
| const __m128i a = _mm_unpacklo_epi16(input[i], one); |
| const __m128i b = scale_round_sse2(a, NewSqrt2); |
| output[i] = _mm_packs_epi32(b, b); |
| } |
| } |
| |
| static INLINE void fidentity8x4_new_sse2(const __m128i *const input, |
| __m128i *const output, |
| const int8_t cos_bit) { |
| (void)cos_bit; |
| const __m128i one = _mm_set1_epi16(1); |
| |
| for (int i = 0; i < 4; ++i) { |
| const __m128i a_lo = _mm_unpacklo_epi16(input[i], one); |
| const __m128i a_hi = _mm_unpackhi_epi16(input[i], one); |
| const __m128i b_lo = scale_round_sse2(a_lo, NewSqrt2); |
| const __m128i b_hi = scale_round_sse2(a_hi, NewSqrt2); |
| output[i] = _mm_packs_epi32(b_lo, b_hi); |
| } |
| } |
| |
| static INLINE void fidentity8x8_new_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| |
| output[0] = _mm_adds_epi16(input[0], input[0]); |
| output[1] = _mm_adds_epi16(input[1], input[1]); |
| output[2] = _mm_adds_epi16(input[2], input[2]); |
| output[3] = _mm_adds_epi16(input[3], input[3]); |
| output[4] = _mm_adds_epi16(input[4], input[4]); |
| output[5] = _mm_adds_epi16(input[5], input[5]); |
| output[6] = _mm_adds_epi16(input[6], input[6]); |
| output[7] = _mm_adds_epi16(input[7], input[7]); |
| } |
| |
| static INLINE void fidentity8x16_new_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| const __m128i one = _mm_set1_epi16(1); |
| |
| for (int i = 0; i < 16; ++i) { |
| const __m128i a_lo = _mm_unpacklo_epi16(input[i], one); |
| const __m128i a_hi = _mm_unpackhi_epi16(input[i], one); |
| const __m128i b_lo = scale_round_sse2(a_lo, 2 * NewSqrt2); |
| const __m128i b_hi = scale_round_sse2(a_hi, 2 * NewSqrt2); |
| output[i] = _mm_packs_epi32(b_lo, b_hi); |
| } |
| } |
| |
| static INLINE void fidentity8x32_new_sse2(const __m128i *input, __m128i *output, |
| int8_t cos_bit) { |
| (void)cos_bit; |
| for (int i = 0; i < 32; ++i) { |
| output[i] = _mm_slli_epi16(input[i], 2); |
| } |
| } |
| |
| static const transform_1d_sse2 col_txfm8x32_arr[TX_TYPES] = { |
| av1_fdct8x32_new_sse2, // DCT_DCT |
| NULL, // ADST_DCT |
| NULL, // DCT_ADST |
| NULL, // ADST_ADST |
| NULL, // FLIPADST_DCT |
| NULL, // DCT_FLIPADST |
| NULL, // FLIPADST_FLIPADST |
| NULL, // ADST_FLIPADST |
| NULL, // FLIPADST_ADST |
| fidentity8x32_new_sse2, // IDTX |
| av1_fdct8x32_new_sse2, // V_DCT |
| fidentity8x32_new_sse2, // H_DCT |
| NULL, // V_ADST |
| NULL, // H_ADST |
| NULL, // V_FLIPADST |
| NULL // H_FLIPADST |
| }; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_SSE2_H_ |