diff options
Diffstat (limited to 'media/libaom/src/av1/encoder/x86/av1_highbd_quantize_sse4.c')
-rw-r--r-- | media/libaom/src/av1/encoder/x86/av1_highbd_quantize_sse4.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/media/libaom/src/av1/encoder/x86/av1_highbd_quantize_sse4.c b/media/libaom/src/av1/encoder/x86/av1_highbd_quantize_sse4.c new file mode 100644 index 000000000..40b3b460b --- /dev/null +++ b/media/libaom/src/av1/encoder/x86/av1_highbd_quantize_sse4.c @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <smmintrin.h> +#include <stdint.h> + +#include "config/av1_rtcd.h" + +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/x86/synonyms.h" + +// Coefficient quantization phase 1 +// param[0-2] : rounding/quan/dequan constants +static INLINE void quantize_coeff_phase1(__m128i *coeff, const __m128i *param, + const int shift, const int scale, + __m128i *qcoeff, __m128i *dquan, + __m128i *sign) { + const __m128i zero = _mm_setzero_si128(); + const __m128i one = _mm_set1_epi32(1); + + *sign = _mm_cmplt_epi32(*coeff, zero); + *sign = _mm_or_si128(*sign, one); + *coeff = _mm_abs_epi32(*coeff); + + qcoeff[0] = _mm_add_epi32(*coeff, param[0]); + qcoeff[1] = _mm_unpackhi_epi32(qcoeff[0], zero); + qcoeff[0] = _mm_unpacklo_epi32(qcoeff[0], zero); + + qcoeff[0] = _mm_mul_epi32(qcoeff[0], param[1]); + qcoeff[0] = _mm_srli_epi64(qcoeff[0], shift); + dquan[0] = _mm_mul_epi32(qcoeff[0], param[2]); + dquan[0] = _mm_srli_epi64(dquan[0], scale); + const __m128i abs_s = _mm_slli_epi32(*coeff, 1 + scale); + qcoeff[2] = _mm_cmplt_epi32(abs_s, param[3]); +} + +// Coefficient quantization phase 2 +static INLINE void quantize_coeff_phase2(__m128i *qcoeff, __m128i *dquan, + const __m128i *sign, + const __m128i *param, const int shift, + const int scale, tran_low_t *qAddr, + tran_low_t *dqAddr) { + __m128i mask0L = _mm_set_epi32(-1, -1, 0, 0); + __m128i mask0H = _mm_set_epi32(0, 0, -1, -1); + + qcoeff[1] = _mm_mul_epi32(qcoeff[1], param[1]); + qcoeff[1] = _mm_srli_epi64(qcoeff[1], shift); + dquan[1] = _mm_mul_epi32(qcoeff[1], param[2]); + dquan[1] = _mm_srli_epi64(dquan[1], scale); + + // combine L&H + qcoeff[0] = _mm_shuffle_epi32(qcoeff[0], 0xd8); + qcoeff[1] = _mm_shuffle_epi32(qcoeff[1], 0x8d); + + qcoeff[0] = _mm_and_si128(qcoeff[0], mask0H); + qcoeff[1] = _mm_and_si128(qcoeff[1], mask0L); + + dquan[0] = _mm_shuffle_epi32(dquan[0], 0xd8); + dquan[1] = _mm_shuffle_epi32(dquan[1], 0x8d); + + dquan[0] = _mm_and_si128(dquan[0], mask0H); + dquan[1] = _mm_and_si128(dquan[1], mask0L); + + qcoeff[0] = _mm_or_si128(qcoeff[0], qcoeff[1]); + dquan[0] = _mm_or_si128(dquan[0], dquan[1]); + + qcoeff[0] = _mm_sign_epi32(qcoeff[0], *sign); + dquan[0] = _mm_sign_epi32(dquan[0], *sign); + qcoeff[0] = _mm_andnot_si128(qcoeff[2], qcoeff[0]); + dquan[0] = _mm_andnot_si128(qcoeff[2], dquan[0]); + _mm_storeu_si128((__m128i *)qAddr, qcoeff[0]); + _mm_storeu_si128((__m128i *)dqAddr, dquan[0]); +} + +static INLINE void find_eob(tran_low_t *qcoeff_ptr, const int16_t *iscan, + __m128i *eob) { + const __m128i zero = _mm_setzero_si128(); + __m128i mask, iscanIdx; + const __m128i q0 = _mm_loadu_si128((__m128i const *)qcoeff_ptr); + const __m128i q1 = _mm_loadu_si128((__m128i const *)(qcoeff_ptr + 4)); + __m128i nz_flag0 = _mm_cmpeq_epi32(q0, zero); + __m128i nz_flag1 = _mm_cmpeq_epi32(q1, zero); + + nz_flag0 = _mm_cmpeq_epi32(nz_flag0, zero); + nz_flag1 = _mm_cmpeq_epi32(nz_flag1, zero); + + mask = _mm_packs_epi32(nz_flag0, nz_flag1); + iscanIdx = _mm_loadu_si128((__m128i const *)iscan); + iscanIdx = _mm_sub_epi16(iscanIdx, mask); + iscanIdx = _mm_and_si128(iscanIdx, mask); + *eob = _mm_max_epi16(*eob, iscanIdx); +} + +static INLINE uint16_t get_accumulated_eob(__m128i *eob) { + __m128i eob_shuffled; + uint16_t eobValue; + eob_shuffled = _mm_shuffle_epi32(*eob, 0xe); + *eob = _mm_max_epi16(*eob, eob_shuffled); + eob_shuffled = _mm_shufflelo_epi16(*eob, 0xe); + *eob = _mm_max_epi16(*eob, eob_shuffled); + eob_shuffled = _mm_shufflelo_epi16(*eob, 0x1); + *eob = _mm_max_epi16(*eob, eob_shuffled); + eobValue = _mm_extract_epi16(*eob, 0); + return eobValue; +} + +void av1_highbd_quantize_fp_sse4_1( + const tran_low_t *coeff_ptr, intptr_t count, const int16_t *zbin_ptr, + const int16_t *round_ptr, const int16_t *quant_ptr, + const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, + tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, + const int16_t *scan, const int16_t *iscan, int log_scale) { + __m128i coeff[2], qcoeff[3], dequant[2], qparam[4], coeff_sign; + __m128i eob = _mm_setzero_si128(); + const tran_low_t *src = coeff_ptr; + tran_low_t *quanAddr = qcoeff_ptr; + tran_low_t *dquanAddr = dqcoeff_ptr; + const int shift = 16 - log_scale; + const int coeff_stride = 4; + const int quan_stride = coeff_stride; + (void)zbin_ptr; + (void)quant_shift_ptr; + (void)scan; + + memset(quanAddr, 0, count * sizeof(quanAddr[0])); + memset(dquanAddr, 0, count * sizeof(dquanAddr[0])); + + coeff[0] = _mm_loadu_si128((__m128i const *)src); + const int round1 = ROUND_POWER_OF_TWO(round_ptr[1], log_scale); + const int round0 = ROUND_POWER_OF_TWO(round_ptr[0], log_scale); + + qparam[0] = _mm_set_epi32(round1, round1, round1, round0); + qparam[1] = xx_set_64_from_32i(quant_ptr[1], quant_ptr[0]); + qparam[2] = xx_set_64_from_32i(dequant_ptr[1], dequant_ptr[0]); + qparam[3] = _mm_set_epi32(dequant_ptr[1], dequant_ptr[1], dequant_ptr[1], + dequant_ptr[0]); + + // DC and first 3 AC + quantize_coeff_phase1(&coeff[0], qparam, shift, log_scale, qcoeff, dequant, + &coeff_sign); + + // update round/quan/dquan for AC + qparam[0] = _mm_unpackhi_epi64(qparam[0], qparam[0]); + qparam[1] = xx_set1_64_from_32i(quant_ptr[1]); + qparam[2] = xx_set1_64_from_32i(dequant_ptr[1]); + qparam[3] = _mm_set1_epi32(dequant_ptr[1]); + quantize_coeff_phase2(qcoeff, dequant, &coeff_sign, qparam, shift, log_scale, + quanAddr, dquanAddr); + + // next 4 AC + coeff[1] = _mm_loadu_si128((__m128i const *)(src + coeff_stride)); + quantize_coeff_phase1(&coeff[1], qparam, shift, log_scale, qcoeff, dequant, + &coeff_sign); + quantize_coeff_phase2(qcoeff, dequant, &coeff_sign, qparam, shift, log_scale, + quanAddr + quan_stride, dquanAddr + quan_stride); + + find_eob(quanAddr, iscan, &eob); + + count -= 8; + + // loop for the rest of AC + while (count > 0) { + src += coeff_stride << 1; + quanAddr += quan_stride << 1; + dquanAddr += quan_stride << 1; + iscan += quan_stride << 1; + + coeff[0] = _mm_loadu_si128((__m128i const *)src); + coeff[1] = _mm_loadu_si128((__m128i const *)(src + coeff_stride)); + + quantize_coeff_phase1(&coeff[0], qparam, shift, log_scale, qcoeff, dequant, + &coeff_sign); + quantize_coeff_phase2(qcoeff, dequant, &coeff_sign, qparam, shift, + log_scale, quanAddr, dquanAddr); + + quantize_coeff_phase1(&coeff[1], qparam, shift, log_scale, qcoeff, dequant, + &coeff_sign); + quantize_coeff_phase2(qcoeff, dequant, &coeff_sign, qparam, shift, + log_scale, quanAddr + quan_stride, + dquanAddr + quan_stride); + + find_eob(quanAddr, iscan, &eob); + + count -= 8; + } + *eob_ptr = get_accumulated_eob(&eob); +} |