diff options
Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/encoder/x86/av1_fwd_txfm_sse2.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/av1_fwd_txfm_sse2.h b/third_party/aom/av1/encoder/x86/av1_fwd_txfm_sse2.h new file mode 100644 index 0000000000..99a6b90829 --- /dev/null +++ b/third_party/aom/av1/encoder/x86/av1_fwd_txfm_sse2.h @@ -0,0 +1,117 @@ +/* + * 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 fdct8x32_new_sse2(const __m128i *input, __m128i *output, int8_t cos_bit); +void 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] = { + 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 + 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_ |