609 строки
20 KiB
C
609 строки
20 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <arm_neon.h>
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#include <assert.h>
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#include "./av1_rtcd.h"
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#include "./aom_config.h"
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#include "av1/common/common.h"
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static int16_t cospi_2_64 = 16305;
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static int16_t cospi_4_64 = 16069;
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static int16_t cospi_6_64 = 15679;
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static int16_t cospi_8_64 = 15137;
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static int16_t cospi_10_64 = 14449;
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static int16_t cospi_12_64 = 13623;
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static int16_t cospi_14_64 = 12665;
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static int16_t cospi_16_64 = 11585;
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static int16_t cospi_18_64 = 10394;
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static int16_t cospi_20_64 = 9102;
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static int16_t cospi_22_64 = 7723;
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static int16_t cospi_24_64 = 6270;
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static int16_t cospi_26_64 = 4756;
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static int16_t cospi_28_64 = 3196;
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static int16_t cospi_30_64 = 1606;
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static INLINE void TRANSPOSE8X8(int16x8_t *q8s16, int16x8_t *q9s16,
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int16x8_t *q10s16, int16x8_t *q11s16,
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int16x8_t *q12s16, int16x8_t *q13s16,
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int16x8_t *q14s16, int16x8_t *q15s16) {
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int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
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int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
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int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32;
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int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16;
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d16s16 = vget_low_s16(*q8s16);
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d17s16 = vget_high_s16(*q8s16);
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d18s16 = vget_low_s16(*q9s16);
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d19s16 = vget_high_s16(*q9s16);
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d20s16 = vget_low_s16(*q10s16);
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d21s16 = vget_high_s16(*q10s16);
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d22s16 = vget_low_s16(*q11s16);
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d23s16 = vget_high_s16(*q11s16);
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d24s16 = vget_low_s16(*q12s16);
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d25s16 = vget_high_s16(*q12s16);
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d26s16 = vget_low_s16(*q13s16);
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d27s16 = vget_high_s16(*q13s16);
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d28s16 = vget_low_s16(*q14s16);
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d29s16 = vget_high_s16(*q14s16);
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d30s16 = vget_low_s16(*q15s16);
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d31s16 = vget_high_s16(*q15s16);
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*q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24
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*q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26
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*q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28
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*q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30
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*q12s16 = vcombine_s16(d17s16, d25s16);
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*q13s16 = vcombine_s16(d19s16, d27s16);
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*q14s16 = vcombine_s16(d21s16, d29s16);
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*q15s16 = vcombine_s16(d23s16, d31s16);
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q0x2s32 =
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vtrnq_s32(vreinterpretq_s32_s16(*q8s16), vreinterpretq_s32_s16(*q10s16));
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q1x2s32 =
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vtrnq_s32(vreinterpretq_s32_s16(*q9s16), vreinterpretq_s32_s16(*q11s16));
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q2x2s32 =
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vtrnq_s32(vreinterpretq_s32_s16(*q12s16), vreinterpretq_s32_s16(*q14s16));
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q3x2s32 =
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vtrnq_s32(vreinterpretq_s32_s16(*q13s16), vreinterpretq_s32_s16(*q15s16));
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q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8
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vreinterpretq_s16_s32(q1x2s32.val[0])); // q9
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q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10
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vreinterpretq_s16_s32(q1x2s32.val[1])); // q11
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q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12
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vreinterpretq_s16_s32(q3x2s32.val[0])); // q13
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q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14
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vreinterpretq_s16_s32(q3x2s32.val[1])); // q15
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*q8s16 = q0x2s16.val[0];
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*q9s16 = q0x2s16.val[1];
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*q10s16 = q1x2s16.val[0];
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*q11s16 = q1x2s16.val[1];
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*q12s16 = q2x2s16.val[0];
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*q13s16 = q2x2s16.val[1];
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*q14s16 = q3x2s16.val[0];
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*q15s16 = q3x2s16.val[1];
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return;
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}
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static INLINE void IDCT8x8_1D(int16x8_t *q8s16, int16x8_t *q9s16,
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int16x8_t *q10s16, int16x8_t *q11s16,
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int16x8_t *q12s16, int16x8_t *q13s16,
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int16x8_t *q14s16, int16x8_t *q15s16) {
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int16x4_t d0s16, d1s16, d2s16, d3s16;
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int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16;
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int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
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int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
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int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16;
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int32x4_t q2s32, q3s32, q5s32, q6s32, q8s32, q9s32;
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int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32;
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d0s16 = vdup_n_s16(cospi_28_64);
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d1s16 = vdup_n_s16(cospi_4_64);
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d2s16 = vdup_n_s16(cospi_12_64);
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d3s16 = vdup_n_s16(cospi_20_64);
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d16s16 = vget_low_s16(*q8s16);
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d17s16 = vget_high_s16(*q8s16);
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d18s16 = vget_low_s16(*q9s16);
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d19s16 = vget_high_s16(*q9s16);
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d20s16 = vget_low_s16(*q10s16);
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d21s16 = vget_high_s16(*q10s16);
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d22s16 = vget_low_s16(*q11s16);
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d23s16 = vget_high_s16(*q11s16);
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d24s16 = vget_low_s16(*q12s16);
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d25s16 = vget_high_s16(*q12s16);
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d26s16 = vget_low_s16(*q13s16);
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d27s16 = vget_high_s16(*q13s16);
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d28s16 = vget_low_s16(*q14s16);
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d29s16 = vget_high_s16(*q14s16);
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d30s16 = vget_low_s16(*q15s16);
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d31s16 = vget_high_s16(*q15s16);
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q2s32 = vmull_s16(d18s16, d0s16);
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q3s32 = vmull_s16(d19s16, d0s16);
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q5s32 = vmull_s16(d26s16, d2s16);
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q6s32 = vmull_s16(d27s16, d2s16);
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q2s32 = vmlsl_s16(q2s32, d30s16, d1s16);
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q3s32 = vmlsl_s16(q3s32, d31s16, d1s16);
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q5s32 = vmlsl_s16(q5s32, d22s16, d3s16);
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q6s32 = vmlsl_s16(q6s32, d23s16, d3s16);
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d8s16 = vqrshrn_n_s32(q2s32, 14);
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d9s16 = vqrshrn_n_s32(q3s32, 14);
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d10s16 = vqrshrn_n_s32(q5s32, 14);
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d11s16 = vqrshrn_n_s32(q6s32, 14);
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q4s16 = vcombine_s16(d8s16, d9s16);
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q5s16 = vcombine_s16(d10s16, d11s16);
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q2s32 = vmull_s16(d18s16, d1s16);
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q3s32 = vmull_s16(d19s16, d1s16);
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q9s32 = vmull_s16(d26s16, d3s16);
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q13s32 = vmull_s16(d27s16, d3s16);
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q2s32 = vmlal_s16(q2s32, d30s16, d0s16);
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q3s32 = vmlal_s16(q3s32, d31s16, d0s16);
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q9s32 = vmlal_s16(q9s32, d22s16, d2s16);
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q13s32 = vmlal_s16(q13s32, d23s16, d2s16);
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d14s16 = vqrshrn_n_s32(q2s32, 14);
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d15s16 = vqrshrn_n_s32(q3s32, 14);
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d12s16 = vqrshrn_n_s32(q9s32, 14);
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d13s16 = vqrshrn_n_s32(q13s32, 14);
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q6s16 = vcombine_s16(d12s16, d13s16);
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q7s16 = vcombine_s16(d14s16, d15s16);
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d0s16 = vdup_n_s16(cospi_16_64);
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q2s32 = vmull_s16(d16s16, d0s16);
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q3s32 = vmull_s16(d17s16, d0s16);
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q13s32 = vmull_s16(d16s16, d0s16);
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q15s32 = vmull_s16(d17s16, d0s16);
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q2s32 = vmlal_s16(q2s32, d24s16, d0s16);
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q3s32 = vmlal_s16(q3s32, d25s16, d0s16);
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q13s32 = vmlsl_s16(q13s32, d24s16, d0s16);
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q15s32 = vmlsl_s16(q15s32, d25s16, d0s16);
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d0s16 = vdup_n_s16(cospi_24_64);
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d1s16 = vdup_n_s16(cospi_8_64);
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d18s16 = vqrshrn_n_s32(q2s32, 14);
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d19s16 = vqrshrn_n_s32(q3s32, 14);
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d22s16 = vqrshrn_n_s32(q13s32, 14);
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d23s16 = vqrshrn_n_s32(q15s32, 14);
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*q9s16 = vcombine_s16(d18s16, d19s16);
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*q11s16 = vcombine_s16(d22s16, d23s16);
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q2s32 = vmull_s16(d20s16, d0s16);
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q3s32 = vmull_s16(d21s16, d0s16);
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q8s32 = vmull_s16(d20s16, d1s16);
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q12s32 = vmull_s16(d21s16, d1s16);
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q2s32 = vmlsl_s16(q2s32, d28s16, d1s16);
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q3s32 = vmlsl_s16(q3s32, d29s16, d1s16);
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q8s32 = vmlal_s16(q8s32, d28s16, d0s16);
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q12s32 = vmlal_s16(q12s32, d29s16, d0s16);
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d26s16 = vqrshrn_n_s32(q2s32, 14);
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d27s16 = vqrshrn_n_s32(q3s32, 14);
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d30s16 = vqrshrn_n_s32(q8s32, 14);
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d31s16 = vqrshrn_n_s32(q12s32, 14);
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*q13s16 = vcombine_s16(d26s16, d27s16);
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*q15s16 = vcombine_s16(d30s16, d31s16);
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q0s16 = vaddq_s16(*q9s16, *q15s16);
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q1s16 = vaddq_s16(*q11s16, *q13s16);
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q2s16 = vsubq_s16(*q11s16, *q13s16);
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q3s16 = vsubq_s16(*q9s16, *q15s16);
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*q13s16 = vsubq_s16(q4s16, q5s16);
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q4s16 = vaddq_s16(q4s16, q5s16);
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*q14s16 = vsubq_s16(q7s16, q6s16);
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q7s16 = vaddq_s16(q7s16, q6s16);
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d26s16 = vget_low_s16(*q13s16);
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d27s16 = vget_high_s16(*q13s16);
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d28s16 = vget_low_s16(*q14s16);
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d29s16 = vget_high_s16(*q14s16);
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d16s16 = vdup_n_s16(cospi_16_64);
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q9s32 = vmull_s16(d28s16, d16s16);
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q10s32 = vmull_s16(d29s16, d16s16);
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q11s32 = vmull_s16(d28s16, d16s16);
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q12s32 = vmull_s16(d29s16, d16s16);
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q9s32 = vmlsl_s16(q9s32, d26s16, d16s16);
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q10s32 = vmlsl_s16(q10s32, d27s16, d16s16);
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q11s32 = vmlal_s16(q11s32, d26s16, d16s16);
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q12s32 = vmlal_s16(q12s32, d27s16, d16s16);
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d10s16 = vqrshrn_n_s32(q9s32, 14);
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d11s16 = vqrshrn_n_s32(q10s32, 14);
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d12s16 = vqrshrn_n_s32(q11s32, 14);
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d13s16 = vqrshrn_n_s32(q12s32, 14);
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q5s16 = vcombine_s16(d10s16, d11s16);
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q6s16 = vcombine_s16(d12s16, d13s16);
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*q8s16 = vaddq_s16(q0s16, q7s16);
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*q9s16 = vaddq_s16(q1s16, q6s16);
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*q10s16 = vaddq_s16(q2s16, q5s16);
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*q11s16 = vaddq_s16(q3s16, q4s16);
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*q12s16 = vsubq_s16(q3s16, q4s16);
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*q13s16 = vsubq_s16(q2s16, q5s16);
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*q14s16 = vsubq_s16(q1s16, q6s16);
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*q15s16 = vsubq_s16(q0s16, q7s16);
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return;
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}
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static INLINE void IADST8X8_1D(int16x8_t *q8s16, int16x8_t *q9s16,
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int16x8_t *q10s16, int16x8_t *q11s16,
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int16x8_t *q12s16, int16x8_t *q13s16,
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int16x8_t *q14s16, int16x8_t *q15s16) {
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int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16;
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int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16;
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int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
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int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
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int16x8_t q2s16, q4s16, q5s16, q6s16;
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int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q7s32, q8s32;
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int32x4_t q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32;
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d16s16 = vget_low_s16(*q8s16);
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d17s16 = vget_high_s16(*q8s16);
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d18s16 = vget_low_s16(*q9s16);
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d19s16 = vget_high_s16(*q9s16);
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d20s16 = vget_low_s16(*q10s16);
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d21s16 = vget_high_s16(*q10s16);
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d22s16 = vget_low_s16(*q11s16);
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d23s16 = vget_high_s16(*q11s16);
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d24s16 = vget_low_s16(*q12s16);
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d25s16 = vget_high_s16(*q12s16);
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d26s16 = vget_low_s16(*q13s16);
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d27s16 = vget_high_s16(*q13s16);
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d28s16 = vget_low_s16(*q14s16);
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d29s16 = vget_high_s16(*q14s16);
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d30s16 = vget_low_s16(*q15s16);
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d31s16 = vget_high_s16(*q15s16);
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d14s16 = vdup_n_s16(cospi_2_64);
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d15s16 = vdup_n_s16(cospi_30_64);
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q1s32 = vmull_s16(d30s16, d14s16);
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q2s32 = vmull_s16(d31s16, d14s16);
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q3s32 = vmull_s16(d30s16, d15s16);
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q4s32 = vmull_s16(d31s16, d15s16);
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d30s16 = vdup_n_s16(cospi_18_64);
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d31s16 = vdup_n_s16(cospi_14_64);
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q1s32 = vmlal_s16(q1s32, d16s16, d15s16);
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q2s32 = vmlal_s16(q2s32, d17s16, d15s16);
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q3s32 = vmlsl_s16(q3s32, d16s16, d14s16);
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q4s32 = vmlsl_s16(q4s32, d17s16, d14s16);
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q5s32 = vmull_s16(d22s16, d30s16);
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q6s32 = vmull_s16(d23s16, d30s16);
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q7s32 = vmull_s16(d22s16, d31s16);
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q8s32 = vmull_s16(d23s16, d31s16);
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q5s32 = vmlal_s16(q5s32, d24s16, d31s16);
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q6s32 = vmlal_s16(q6s32, d25s16, d31s16);
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q7s32 = vmlsl_s16(q7s32, d24s16, d30s16);
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q8s32 = vmlsl_s16(q8s32, d25s16, d30s16);
|
|
|
|
q11s32 = vaddq_s32(q1s32, q5s32);
|
|
q12s32 = vaddq_s32(q2s32, q6s32);
|
|
q1s32 = vsubq_s32(q1s32, q5s32);
|
|
q2s32 = vsubq_s32(q2s32, q6s32);
|
|
|
|
d22s16 = vqrshrn_n_s32(q11s32, 14);
|
|
d23s16 = vqrshrn_n_s32(q12s32, 14);
|
|
*q11s16 = vcombine_s16(d22s16, d23s16);
|
|
|
|
q12s32 = vaddq_s32(q3s32, q7s32);
|
|
q15s32 = vaddq_s32(q4s32, q8s32);
|
|
q3s32 = vsubq_s32(q3s32, q7s32);
|
|
q4s32 = vsubq_s32(q4s32, q8s32);
|
|
|
|
d2s16 = vqrshrn_n_s32(q1s32, 14);
|
|
d3s16 = vqrshrn_n_s32(q2s32, 14);
|
|
d24s16 = vqrshrn_n_s32(q12s32, 14);
|
|
d25s16 = vqrshrn_n_s32(q15s32, 14);
|
|
d6s16 = vqrshrn_n_s32(q3s32, 14);
|
|
d7s16 = vqrshrn_n_s32(q4s32, 14);
|
|
*q12s16 = vcombine_s16(d24s16, d25s16);
|
|
|
|
d0s16 = vdup_n_s16(cospi_10_64);
|
|
d1s16 = vdup_n_s16(cospi_22_64);
|
|
q4s32 = vmull_s16(d26s16, d0s16);
|
|
q5s32 = vmull_s16(d27s16, d0s16);
|
|
q2s32 = vmull_s16(d26s16, d1s16);
|
|
q6s32 = vmull_s16(d27s16, d1s16);
|
|
|
|
d30s16 = vdup_n_s16(cospi_26_64);
|
|
d31s16 = vdup_n_s16(cospi_6_64);
|
|
|
|
q4s32 = vmlal_s16(q4s32, d20s16, d1s16);
|
|
q5s32 = vmlal_s16(q5s32, d21s16, d1s16);
|
|
q2s32 = vmlsl_s16(q2s32, d20s16, d0s16);
|
|
q6s32 = vmlsl_s16(q6s32, d21s16, d0s16);
|
|
|
|
q0s32 = vmull_s16(d18s16, d30s16);
|
|
q13s32 = vmull_s16(d19s16, d30s16);
|
|
|
|
q0s32 = vmlal_s16(q0s32, d28s16, d31s16);
|
|
q13s32 = vmlal_s16(q13s32, d29s16, d31s16);
|
|
|
|
q10s32 = vmull_s16(d18s16, d31s16);
|
|
q9s32 = vmull_s16(d19s16, d31s16);
|
|
|
|
q10s32 = vmlsl_s16(q10s32, d28s16, d30s16);
|
|
q9s32 = vmlsl_s16(q9s32, d29s16, d30s16);
|
|
|
|
q14s32 = vaddq_s32(q2s32, q10s32);
|
|
q15s32 = vaddq_s32(q6s32, q9s32);
|
|
q2s32 = vsubq_s32(q2s32, q10s32);
|
|
q6s32 = vsubq_s32(q6s32, q9s32);
|
|
|
|
d28s16 = vqrshrn_n_s32(q14s32, 14);
|
|
d29s16 = vqrshrn_n_s32(q15s32, 14);
|
|
d4s16 = vqrshrn_n_s32(q2s32, 14);
|
|
d5s16 = vqrshrn_n_s32(q6s32, 14);
|
|
*q14s16 = vcombine_s16(d28s16, d29s16);
|
|
|
|
q9s32 = vaddq_s32(q4s32, q0s32);
|
|
q10s32 = vaddq_s32(q5s32, q13s32);
|
|
q4s32 = vsubq_s32(q4s32, q0s32);
|
|
q5s32 = vsubq_s32(q5s32, q13s32);
|
|
|
|
d30s16 = vdup_n_s16(cospi_8_64);
|
|
d31s16 = vdup_n_s16(cospi_24_64);
|
|
|
|
d18s16 = vqrshrn_n_s32(q9s32, 14);
|
|
d19s16 = vqrshrn_n_s32(q10s32, 14);
|
|
d8s16 = vqrshrn_n_s32(q4s32, 14);
|
|
d9s16 = vqrshrn_n_s32(q5s32, 14);
|
|
*q9s16 = vcombine_s16(d18s16, d19s16);
|
|
|
|
q5s32 = vmull_s16(d2s16, d30s16);
|
|
q6s32 = vmull_s16(d3s16, d30s16);
|
|
q7s32 = vmull_s16(d2s16, d31s16);
|
|
q0s32 = vmull_s16(d3s16, d31s16);
|
|
|
|
q5s32 = vmlal_s16(q5s32, d6s16, d31s16);
|
|
q6s32 = vmlal_s16(q6s32, d7s16, d31s16);
|
|
q7s32 = vmlsl_s16(q7s32, d6s16, d30s16);
|
|
q0s32 = vmlsl_s16(q0s32, d7s16, d30s16);
|
|
|
|
q1s32 = vmull_s16(d4s16, d30s16);
|
|
q3s32 = vmull_s16(d5s16, d30s16);
|
|
q10s32 = vmull_s16(d4s16, d31s16);
|
|
q2s32 = vmull_s16(d5s16, d31s16);
|
|
|
|
q1s32 = vmlsl_s16(q1s32, d8s16, d31s16);
|
|
q3s32 = vmlsl_s16(q3s32, d9s16, d31s16);
|
|
q10s32 = vmlal_s16(q10s32, d8s16, d30s16);
|
|
q2s32 = vmlal_s16(q2s32, d9s16, d30s16);
|
|
|
|
*q8s16 = vaddq_s16(*q11s16, *q9s16);
|
|
*q11s16 = vsubq_s16(*q11s16, *q9s16);
|
|
q4s16 = vaddq_s16(*q12s16, *q14s16);
|
|
*q12s16 = vsubq_s16(*q12s16, *q14s16);
|
|
|
|
q14s32 = vaddq_s32(q5s32, q1s32);
|
|
q15s32 = vaddq_s32(q6s32, q3s32);
|
|
q5s32 = vsubq_s32(q5s32, q1s32);
|
|
q6s32 = vsubq_s32(q6s32, q3s32);
|
|
|
|
d18s16 = vqrshrn_n_s32(q14s32, 14);
|
|
d19s16 = vqrshrn_n_s32(q15s32, 14);
|
|
d10s16 = vqrshrn_n_s32(q5s32, 14);
|
|
d11s16 = vqrshrn_n_s32(q6s32, 14);
|
|
*q9s16 = vcombine_s16(d18s16, d19s16);
|
|
|
|
q1s32 = vaddq_s32(q7s32, q10s32);
|
|
q3s32 = vaddq_s32(q0s32, q2s32);
|
|
q7s32 = vsubq_s32(q7s32, q10s32);
|
|
q0s32 = vsubq_s32(q0s32, q2s32);
|
|
|
|
d28s16 = vqrshrn_n_s32(q1s32, 14);
|
|
d29s16 = vqrshrn_n_s32(q3s32, 14);
|
|
d14s16 = vqrshrn_n_s32(q7s32, 14);
|
|
d15s16 = vqrshrn_n_s32(q0s32, 14);
|
|
*q14s16 = vcombine_s16(d28s16, d29s16);
|
|
|
|
d30s16 = vdup_n_s16(cospi_16_64);
|
|
|
|
d22s16 = vget_low_s16(*q11s16);
|
|
d23s16 = vget_high_s16(*q11s16);
|
|
q2s32 = vmull_s16(d22s16, d30s16);
|
|
q3s32 = vmull_s16(d23s16, d30s16);
|
|
q13s32 = vmull_s16(d22s16, d30s16);
|
|
q1s32 = vmull_s16(d23s16, d30s16);
|
|
|
|
d24s16 = vget_low_s16(*q12s16);
|
|
d25s16 = vget_high_s16(*q12s16);
|
|
q2s32 = vmlal_s16(q2s32, d24s16, d30s16);
|
|
q3s32 = vmlal_s16(q3s32, d25s16, d30s16);
|
|
q13s32 = vmlsl_s16(q13s32, d24s16, d30s16);
|
|
q1s32 = vmlsl_s16(q1s32, d25s16, d30s16);
|
|
|
|
d4s16 = vqrshrn_n_s32(q2s32, 14);
|
|
d5s16 = vqrshrn_n_s32(q3s32, 14);
|
|
d24s16 = vqrshrn_n_s32(q13s32, 14);
|
|
d25s16 = vqrshrn_n_s32(q1s32, 14);
|
|
q2s16 = vcombine_s16(d4s16, d5s16);
|
|
*q12s16 = vcombine_s16(d24s16, d25s16);
|
|
|
|
q13s32 = vmull_s16(d10s16, d30s16);
|
|
q1s32 = vmull_s16(d11s16, d30s16);
|
|
q11s32 = vmull_s16(d10s16, d30s16);
|
|
q0s32 = vmull_s16(d11s16, d30s16);
|
|
|
|
q13s32 = vmlal_s16(q13s32, d14s16, d30s16);
|
|
q1s32 = vmlal_s16(q1s32, d15s16, d30s16);
|
|
q11s32 = vmlsl_s16(q11s32, d14s16, d30s16);
|
|
q0s32 = vmlsl_s16(q0s32, d15s16, d30s16);
|
|
|
|
d20s16 = vqrshrn_n_s32(q13s32, 14);
|
|
d21s16 = vqrshrn_n_s32(q1s32, 14);
|
|
d12s16 = vqrshrn_n_s32(q11s32, 14);
|
|
d13s16 = vqrshrn_n_s32(q0s32, 14);
|
|
*q10s16 = vcombine_s16(d20s16, d21s16);
|
|
q6s16 = vcombine_s16(d12s16, d13s16);
|
|
|
|
q5s16 = vdupq_n_s16(0);
|
|
|
|
*q9s16 = vsubq_s16(q5s16, *q9s16);
|
|
*q11s16 = vsubq_s16(q5s16, q2s16);
|
|
*q13s16 = vsubq_s16(q5s16, q6s16);
|
|
*q15s16 = vsubq_s16(q5s16, q4s16);
|
|
return;
|
|
}
|
|
|
|
void av1_iht8x8_64_add_neon(const tran_low_t *input, uint8_t *dest,
|
|
int dest_stride, int tx_type) {
|
|
int i;
|
|
uint8_t *d1, *d2;
|
|
uint8x8_t d0u8, d1u8, d2u8, d3u8;
|
|
uint64x1_t d0u64, d1u64, d2u64, d3u64;
|
|
int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16;
|
|
uint16x8_t q8u16, q9u16, q10u16, q11u16;
|
|
|
|
q8s16 = vld1q_s16(input);
|
|
q9s16 = vld1q_s16(input + 8);
|
|
q10s16 = vld1q_s16(input + 8 * 2);
|
|
q11s16 = vld1q_s16(input + 8 * 3);
|
|
q12s16 = vld1q_s16(input + 8 * 4);
|
|
q13s16 = vld1q_s16(input + 8 * 5);
|
|
q14s16 = vld1q_s16(input + 8 * 6);
|
|
q15s16 = vld1q_s16(input + 8 * 7);
|
|
|
|
TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
|
|
switch (tx_type) {
|
|
case 0: // idct_idct is not supported. Fall back to C
|
|
av1_iht8x8_64_add_c(input, dest, dest_stride, tx_type);
|
|
return;
|
|
break;
|
|
case 1: // iadst_idct
|
|
// generate IDCT constants
|
|
// GENERATE_IDCT_CONSTANTS
|
|
|
|
// first transform rows
|
|
IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
|
|
// transpose the matrix
|
|
TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
|
|
// generate IADST constants
|
|
// GENERATE_IADST_CONSTANTS
|
|
|
|
// then transform columns
|
|
IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
break;
|
|
case 2: // idct_iadst
|
|
// generate IADST constants
|
|
// GENERATE_IADST_CONSTANTS
|
|
|
|
// first transform rows
|
|
IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
|
|
// transpose the matrix
|
|
TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
|
|
// generate IDCT constants
|
|
// GENERATE_IDCT_CONSTANTS
|
|
|
|
// then transform columns
|
|
IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
break;
|
|
case 3: // iadst_iadst
|
|
// generate IADST constants
|
|
// GENERATE_IADST_CONSTANTS
|
|
|
|
// first transform rows
|
|
IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
|
|
// transpose the matrix
|
|
TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
|
|
// then transform columns
|
|
IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
|
|
&q15s16);
|
|
break;
|
|
default: // iadst_idct
|
|
assert(0);
|
|
break;
|
|
}
|
|
|
|
q8s16 = vrshrq_n_s16(q8s16, 5);
|
|
q9s16 = vrshrq_n_s16(q9s16, 5);
|
|
q10s16 = vrshrq_n_s16(q10s16, 5);
|
|
q11s16 = vrshrq_n_s16(q11s16, 5);
|
|
q12s16 = vrshrq_n_s16(q12s16, 5);
|
|
q13s16 = vrshrq_n_s16(q13s16, 5);
|
|
q14s16 = vrshrq_n_s16(q14s16, 5);
|
|
q15s16 = vrshrq_n_s16(q15s16, 5);
|
|
|
|
for (d1 = d2 = dest, i = 0; i < 2; i++) {
|
|
if (i != 0) {
|
|
q8s16 = q12s16;
|
|
q9s16 = q13s16;
|
|
q10s16 = q14s16;
|
|
q11s16 = q15s16;
|
|
}
|
|
|
|
d0u64 = vld1_u64((uint64_t *)d1);
|
|
d1 += dest_stride;
|
|
d1u64 = vld1_u64((uint64_t *)d1);
|
|
d1 += dest_stride;
|
|
d2u64 = vld1_u64((uint64_t *)d1);
|
|
d1 += dest_stride;
|
|
d3u64 = vld1_u64((uint64_t *)d1);
|
|
d1 += dest_stride;
|
|
|
|
q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_u64(d0u64));
|
|
q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_u64(d1u64));
|
|
q10u16 =
|
|
vaddw_u8(vreinterpretq_u16_s16(q10s16), vreinterpret_u8_u64(d2u64));
|
|
q11u16 =
|
|
vaddw_u8(vreinterpretq_u16_s16(q11s16), vreinterpret_u8_u64(d3u64));
|
|
|
|
d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
|
|
d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
|
|
d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16));
|
|
d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16));
|
|
|
|
vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8));
|
|
d2 += dest_stride;
|
|
vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8));
|
|
d2 += dest_stride;
|
|
vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8));
|
|
d2 += dest_stride;
|
|
vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8));
|
|
d2 += dest_stride;
|
|
}
|
|
return;
|
|
}
|