| /* |
| * 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 <arm_neon.h> |
| |
| #include "./aom_config.h" |
| #include "aom_dsp/txfm_common.h" |
| |
| static INLINE void TRANSPOSE8X8(int16x8_t *q8s16, int16x8_t *q9s16, |
| int16x8_t *q10s16, int16x8_t *q11s16, |
| int16x8_t *q12s16, int16x8_t *q13s16, |
| int16x8_t *q14s16, int16x8_t *q15s16) { |
| int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; |
| int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; |
| int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32; |
| int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16; |
| |
| d16s16 = vget_low_s16(*q8s16); |
| d17s16 = vget_high_s16(*q8s16); |
| d18s16 = vget_low_s16(*q9s16); |
| d19s16 = vget_high_s16(*q9s16); |
| d20s16 = vget_low_s16(*q10s16); |
| d21s16 = vget_high_s16(*q10s16); |
| d22s16 = vget_low_s16(*q11s16); |
| d23s16 = vget_high_s16(*q11s16); |
| d24s16 = vget_low_s16(*q12s16); |
| d25s16 = vget_high_s16(*q12s16); |
| d26s16 = vget_low_s16(*q13s16); |
| d27s16 = vget_high_s16(*q13s16); |
| d28s16 = vget_low_s16(*q14s16); |
| d29s16 = vget_high_s16(*q14s16); |
| d30s16 = vget_low_s16(*q15s16); |
| d31s16 = vget_high_s16(*q15s16); |
| |
| *q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24 |
| *q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26 |
| *q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28 |
| *q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30 |
| *q12s16 = vcombine_s16(d17s16, d25s16); |
| *q13s16 = vcombine_s16(d19s16, d27s16); |
| *q14s16 = vcombine_s16(d21s16, d29s16); |
| *q15s16 = vcombine_s16(d23s16, d31s16); |
| |
| q0x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q8s16), vreinterpretq_s32_s16(*q10s16)); |
| q1x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q9s16), vreinterpretq_s32_s16(*q11s16)); |
| q2x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q12s16), vreinterpretq_s32_s16(*q14s16)); |
| q3x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q13s16), vreinterpretq_s32_s16(*q15s16)); |
| |
| q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8 |
| vreinterpretq_s16_s32(q1x2s32.val[0])); // q9 |
| q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10 |
| vreinterpretq_s16_s32(q1x2s32.val[1])); // q11 |
| q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12 |
| vreinterpretq_s16_s32(q3x2s32.val[0])); // q13 |
| q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14 |
| vreinterpretq_s16_s32(q3x2s32.val[1])); // q15 |
| |
| *q8s16 = q0x2s16.val[0]; |
| *q9s16 = q0x2s16.val[1]; |
| *q10s16 = q1x2s16.val[0]; |
| *q11s16 = q1x2s16.val[1]; |
| *q12s16 = q2x2s16.val[0]; |
| *q13s16 = q2x2s16.val[1]; |
| *q14s16 = q3x2s16.val[0]; |
| *q15s16 = q3x2s16.val[1]; |
| return; |
| } |
| |
| static INLINE void IDCT8x8_1D(int16x8_t *q8s16, int16x8_t *q9s16, |
| int16x8_t *q10s16, int16x8_t *q11s16, |
| int16x8_t *q12s16, int16x8_t *q13s16, |
| int16x8_t *q14s16, int16x8_t *q15s16) { |
| int16x4_t d0s16, d1s16, d2s16, d3s16; |
| int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; |
| int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; |
| int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; |
| int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; |
| int32x4_t q2s32, q3s32, q5s32, q6s32, q8s32, q9s32; |
| int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32; |
| |
| d0s16 = vdup_n_s16((int16_t)cospi_28_64); |
| d1s16 = vdup_n_s16((int16_t)cospi_4_64); |
| d2s16 = vdup_n_s16((int16_t)cospi_12_64); |
| d3s16 = vdup_n_s16((int16_t)cospi_20_64); |
| |
| d16s16 = vget_low_s16(*q8s16); |
| d17s16 = vget_high_s16(*q8s16); |
| d18s16 = vget_low_s16(*q9s16); |
| d19s16 = vget_high_s16(*q9s16); |
| d20s16 = vget_low_s16(*q10s16); |
| d21s16 = vget_high_s16(*q10s16); |
| d22s16 = vget_low_s16(*q11s16); |
| d23s16 = vget_high_s16(*q11s16); |
| d24s16 = vget_low_s16(*q12s16); |
| d25s16 = vget_high_s16(*q12s16); |
| d26s16 = vget_low_s16(*q13s16); |
| d27s16 = vget_high_s16(*q13s16); |
| d28s16 = vget_low_s16(*q14s16); |
| d29s16 = vget_high_s16(*q14s16); |
| d30s16 = vget_low_s16(*q15s16); |
| d31s16 = vget_high_s16(*q15s16); |
| |
| q2s32 = vmull_s16(d18s16, d0s16); |
| q3s32 = vmull_s16(d19s16, d0s16); |
| q5s32 = vmull_s16(d26s16, d2s16); |
| q6s32 = vmull_s16(d27s16, d2s16); |
| |
| q2s32 = vmlsl_s16(q2s32, d30s16, d1s16); |
| q3s32 = vmlsl_s16(q3s32, d31s16, d1s16); |
| q5s32 = vmlsl_s16(q5s32, d22s16, d3s16); |
| q6s32 = vmlsl_s16(q6s32, d23s16, d3s16); |
| |
| d8s16 = vqrshrn_n_s32(q2s32, 14); |
| d9s16 = vqrshrn_n_s32(q3s32, 14); |
| d10s16 = vqrshrn_n_s32(q5s32, 14); |
| d11s16 = vqrshrn_n_s32(q6s32, 14); |
| q4s16 = vcombine_s16(d8s16, d9s16); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| |
| q2s32 = vmull_s16(d18s16, d1s16); |
| q3s32 = vmull_s16(d19s16, d1s16); |
| q9s32 = vmull_s16(d26s16, d3s16); |
| q13s32 = vmull_s16(d27s16, d3s16); |
| |
| q2s32 = vmlal_s16(q2s32, d30s16, d0s16); |
| q3s32 = vmlal_s16(q3s32, d31s16, d0s16); |
| q9s32 = vmlal_s16(q9s32, d22s16, d2s16); |
| q13s32 = vmlal_s16(q13s32, d23s16, d2s16); |
| |
| d14s16 = vqrshrn_n_s32(q2s32, 14); |
| d15s16 = vqrshrn_n_s32(q3s32, 14); |
| d12s16 = vqrshrn_n_s32(q9s32, 14); |
| d13s16 = vqrshrn_n_s32(q13s32, 14); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| q7s16 = vcombine_s16(d14s16, d15s16); |
| |
| d0s16 = vdup_n_s16((int16_t)cospi_16_64); |
| |
| q2s32 = vmull_s16(d16s16, d0s16); |
| q3s32 = vmull_s16(d17s16, d0s16); |
| q13s32 = vmull_s16(d16s16, d0s16); |
| q15s32 = vmull_s16(d17s16, d0s16); |
| |
| q2s32 = vmlal_s16(q2s32, d24s16, d0s16); |
| q3s32 = vmlal_s16(q3s32, d25s16, d0s16); |
| q13s32 = vmlsl_s16(q13s32, d24s16, d0s16); |
| q15s32 = vmlsl_s16(q15s32, d25s16, d0s16); |
| |
| d0s16 = vdup_n_s16((int16_t)cospi_24_64); |
| d1s16 = vdup_n_s16((int16_t)cospi_8_64); |
| |
| d18s16 = vqrshrn_n_s32(q2s32, 14); |
| d19s16 = vqrshrn_n_s32(q3s32, 14); |
| d22s16 = vqrshrn_n_s32(q13s32, 14); |
| d23s16 = vqrshrn_n_s32(q15s32, 14); |
| *q9s16 = vcombine_s16(d18s16, d19s16); |
| *q11s16 = vcombine_s16(d22s16, d23s16); |
| |
| q2s32 = vmull_s16(d20s16, d0s16); |
| q3s32 = vmull_s16(d21s16, d0s16); |
| q8s32 = vmull_s16(d20s16, d1s16); |
| q12s32 = vmull_s16(d21s16, d1s16); |
| |
| q2s32 = vmlsl_s16(q2s32, d28s16, d1s16); |
| q3s32 = vmlsl_s16(q3s32, d29s16, d1s16); |
| q8s32 = vmlal_s16(q8s32, d28s16, d0s16); |
| q12s32 = vmlal_s16(q12s32, d29s16, d0s16); |
| |
| d26s16 = vqrshrn_n_s32(q2s32, 14); |
| d27s16 = vqrshrn_n_s32(q3s32, 14); |
| d30s16 = vqrshrn_n_s32(q8s32, 14); |
| d31s16 = vqrshrn_n_s32(q12s32, 14); |
| *q13s16 = vcombine_s16(d26s16, d27s16); |
| *q15s16 = vcombine_s16(d30s16, d31s16); |
| |
| q0s16 = vaddq_s16(*q9s16, *q15s16); |
| q1s16 = vaddq_s16(*q11s16, *q13s16); |
| q2s16 = vsubq_s16(*q11s16, *q13s16); |
| q3s16 = vsubq_s16(*q9s16, *q15s16); |
| |
| *q13s16 = vsubq_s16(q4s16, q5s16); |
| q4s16 = vaddq_s16(q4s16, q5s16); |
| *q14s16 = vsubq_s16(q7s16, q6s16); |
| q7s16 = vaddq_s16(q7s16, q6s16); |
| d26s16 = vget_low_s16(*q13s16); |
| d27s16 = vget_high_s16(*q13s16); |
| d28s16 = vget_low_s16(*q14s16); |
| d29s16 = vget_high_s16(*q14s16); |
| |
| d16s16 = vdup_n_s16((int16_t)cospi_16_64); |
| |
| q9s32 = vmull_s16(d28s16, d16s16); |
| q10s32 = vmull_s16(d29s16, d16s16); |
| q11s32 = vmull_s16(d28s16, d16s16); |
| q12s32 = vmull_s16(d29s16, d16s16); |
| |
| q9s32 = vmlsl_s16(q9s32, d26s16, d16s16); |
| q10s32 = vmlsl_s16(q10s32, d27s16, d16s16); |
| q11s32 = vmlal_s16(q11s32, d26s16, d16s16); |
| q12s32 = vmlal_s16(q12s32, d27s16, d16s16); |
| |
| d10s16 = vqrshrn_n_s32(q9s32, 14); |
| d11s16 = vqrshrn_n_s32(q10s32, 14); |
| d12s16 = vqrshrn_n_s32(q11s32, 14); |
| d13s16 = vqrshrn_n_s32(q12s32, 14); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| *q8s16 = vaddq_s16(q0s16, q7s16); |
| *q9s16 = vaddq_s16(q1s16, q6s16); |
| *q10s16 = vaddq_s16(q2s16, q5s16); |
| *q11s16 = vaddq_s16(q3s16, q4s16); |
| *q12s16 = vsubq_s16(q3s16, q4s16); |
| *q13s16 = vsubq_s16(q2s16, q5s16); |
| *q14s16 = vsubq_s16(q1s16, q6s16); |
| *q15s16 = vsubq_s16(q0s16, q7s16); |
| return; |
| } |
| |
| void aom_idct8x8_64_add_neon(int16_t *input, uint8_t *dest, int dest_stride) { |
| 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 + 16); |
| q11s16 = vld1q_s16(input + 24); |
| q12s16 = vld1q_s16(input + 32); |
| q13s16 = vld1q_s16(input + 40); |
| q14s16 = vld1q_s16(input + 48); |
| q15s16 = vld1q_s16(input + 56); |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| 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); |
| |
| d1 = d2 = dest; |
| |
| 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; |
| |
| 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; |
| } |
| |
| void aom_idct8x8_12_add_neon(int16_t *input, uint8_t *dest, int dest_stride) { |
| uint8_t *d1, *d2; |
| uint8x8_t d0u8, d1u8, d2u8, d3u8; |
| int16x4_t d10s16, d11s16, d12s16, d13s16, d16s16; |
| int16x4_t d26s16, d27s16, d28s16, d29s16; |
| uint64x1_t d0u64, d1u64, d2u64, d3u64; |
| int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; |
| int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; |
| uint16x8_t q8u16, q9u16, q10u16, q11u16; |
| int32x4_t q9s32, q10s32, q11s32, q12s32; |
| |
| q8s16 = vld1q_s16(input); |
| q9s16 = vld1q_s16(input + 8); |
| q10s16 = vld1q_s16(input + 16); |
| q11s16 = vld1q_s16(input + 24); |
| q12s16 = vld1q_s16(input + 32); |
| q13s16 = vld1q_s16(input + 40); |
| q14s16 = vld1q_s16(input + 48); |
| q15s16 = vld1q_s16(input + 56); |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| // First transform rows |
| // stage 1 |
| q0s16 = vdupq_n_s16((int16_t)cospi_28_64 * 2); |
| q1s16 = vdupq_n_s16((int16_t)cospi_4_64 * 2); |
| |
| q4s16 = vqrdmulhq_s16(q9s16, q0s16); |
| |
| q0s16 = vdupq_n_s16(-(int16_t)cospi_20_64 * 2); |
| |
| q7s16 = vqrdmulhq_s16(q9s16, q1s16); |
| |
| q1s16 = vdupq_n_s16((int16_t)cospi_12_64 * 2); |
| |
| q5s16 = vqrdmulhq_s16(q11s16, q0s16); |
| |
| q0s16 = vdupq_n_s16((int16_t)cospi_16_64 * 2); |
| |
| q6s16 = vqrdmulhq_s16(q11s16, q1s16); |
| |
| // stage 2 & stage 3 - even half |
| q1s16 = vdupq_n_s16((int16_t)cospi_24_64 * 2); |
| |
| q9s16 = vqrdmulhq_s16(q8s16, q0s16); |
| |
| q0s16 = vdupq_n_s16((int16_t)cospi_8_64 * 2); |
| |
| q13s16 = vqrdmulhq_s16(q10s16, q1s16); |
| |
| q15s16 = vqrdmulhq_s16(q10s16, q0s16); |
| |
| // stage 3 -odd half |
| q0s16 = vaddq_s16(q9s16, q15s16); |
| q1s16 = vaddq_s16(q9s16, q13s16); |
| q2s16 = vsubq_s16(q9s16, q13s16); |
| q3s16 = vsubq_s16(q9s16, q15s16); |
| |
| // stage 2 - odd half |
| q13s16 = vsubq_s16(q4s16, q5s16); |
| q4s16 = vaddq_s16(q4s16, q5s16); |
| q14s16 = vsubq_s16(q7s16, q6s16); |
| q7s16 = vaddq_s16(q7s16, q6s16); |
| d26s16 = vget_low_s16(q13s16); |
| d27s16 = vget_high_s16(q13s16); |
| d28s16 = vget_low_s16(q14s16); |
| d29s16 = vget_high_s16(q14s16); |
| |
| d16s16 = vdup_n_s16((int16_t)cospi_16_64); |
| q9s32 = vmull_s16(d28s16, d16s16); |
| q10s32 = vmull_s16(d29s16, d16s16); |
| q11s32 = vmull_s16(d28s16, d16s16); |
| q12s32 = vmull_s16(d29s16, d16s16); |
| |
| q9s32 = vmlsl_s16(q9s32, d26s16, d16s16); |
| q10s32 = vmlsl_s16(q10s32, d27s16, d16s16); |
| q11s32 = vmlal_s16(q11s32, d26s16, d16s16); |
| q12s32 = vmlal_s16(q12s32, d27s16, d16s16); |
| |
| d10s16 = vqrshrn_n_s32(q9s32, 14); |
| d11s16 = vqrshrn_n_s32(q10s32, 14); |
| d12s16 = vqrshrn_n_s32(q11s32, 14); |
| d13s16 = vqrshrn_n_s32(q12s32, 14); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| // stage 4 |
| q8s16 = vaddq_s16(q0s16, q7s16); |
| q9s16 = vaddq_s16(q1s16, q6s16); |
| q10s16 = vaddq_s16(q2s16, q5s16); |
| q11s16 = vaddq_s16(q3s16, q4s16); |
| q12s16 = vsubq_s16(q3s16, q4s16); |
| q13s16 = vsubq_s16(q2s16, q5s16); |
| q14s16 = vsubq_s16(q1s16, q6s16); |
| q15s16 = vsubq_s16(q0s16, q7s16); |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| 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); |
| |
| d1 = d2 = dest; |
| |
| 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; |
| |
| 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; |
| } |
