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Diffstat (limited to 'media/libaom/src/av1/common/arm/av1_inv_txfm_neon.c')
| -rw-r--r-- | media/libaom/src/av1/common/arm/av1_inv_txfm_neon.c | 3231 |
1 files changed, 3231 insertions, 0 deletions
diff --git a/media/libaom/src/av1/common/arm/av1_inv_txfm_neon.c b/media/libaom/src/av1/common/arm/av1_inv_txfm_neon.c new file mode 100644 index 000000000..bad411743 --- /dev/null +++ b/media/libaom/src/av1/common/arm/av1_inv_txfm_neon.c @@ -0,0 +1,3231 @@ +/* + * 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. + */ + +#include <arm_neon.h> + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" +#include "config/av1_rtcd.h" + +#include "av1/common/av1_inv_txfm1d.h" +#include "av1/common/av1_inv_txfm1d_cfg.h" +#include "av1/common/av1_txfm.h" +#include "av1/common/enums.h" +#include "av1/common/idct.h" +#include "av1/common/arm/av1_inv_txfm_neon.h" +#include "av1/common/arm/transpose_neon.h" + +// 1D itx types +typedef enum ATTRIBUTE_PACKED { + IDCT_1D, + IADST_1D, + IFLIPADST_1D = IADST_1D, + IIDENTITY_1D, + ITX_TYPES_1D, +} ITX_TYPE_1D; + +static const ITX_TYPE_1D vitx_1d_tab[TX_TYPES] = { + IDCT_1D, IADST_1D, IDCT_1D, IADST_1D, + IFLIPADST_1D, IDCT_1D, IFLIPADST_1D, IADST_1D, + IFLIPADST_1D, IIDENTITY_1D, IDCT_1D, IIDENTITY_1D, + IADST_1D, IIDENTITY_1D, IFLIPADST_1D, IIDENTITY_1D, +}; + +static const ITX_TYPE_1D hitx_1d_tab[TX_TYPES] = { + IDCT_1D, IDCT_1D, IADST_1D, IADST_1D, + IDCT_1D, IFLIPADST_1D, IFLIPADST_1D, IFLIPADST_1D, + IADST_1D, IIDENTITY_1D, IIDENTITY_1D, IDCT_1D, + IIDENTITY_1D, IADST_1D, IIDENTITY_1D, IFLIPADST_1D, +}; + +// 1D functions +static const transform_1d_neon lowbd_txfm_all_1d_arr[TX_SIZES][ITX_TYPES_1D] = { + { av1_idct4_new, av1_iadst4_new, av1_iidentity4_c }, + { av1_idct8_new, av1_iadst8_new, av1_iidentity8_c }, + { av1_idct16_new, av1_iadst16_new, av1_iidentity16_c }, + { av1_idct32_new, NULL, NULL }, + { av1_idct64_new, NULL, NULL }, +}; + +static INLINE void lowbd_add_flip_buffer_8xn_neon(int16x8_t *in, + uint8_t *output, int stride, + int flipud, + const int height) { + int j = flipud ? (height - 1) : 0; + const int step = flipud ? -1 : 1; + int16x8_t temp_output; + for (int i = 0; i < height; ++i, j += step) { + temp_output = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(output))); + temp_output = vaddq_s16(temp_output, in[j]); + vst1_u8(output, vqmovun_s16(temp_output)); + output += stride; + } +} + +static INLINE uint8x16_t lowbd_get_recon_16x16_neon(const uint8x16_t pred, + int16x8_t res0, + int16x8_t res1) { + int16x8_t temp_output[2]; + uint8x16_t temp_output_8q; + temp_output[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pred))); + temp_output[0] = vaddq_s16(temp_output[0], res0); + temp_output[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pred))); + temp_output[1] = vaddq_s16(temp_output[1], res1); + temp_output_8q = + vcombine_u8(vqmovun_s16(temp_output[0]), vqmovun_s16(temp_output[1])); + return temp_output_8q; +} + +static INLINE void lowbd_add_flip_buffer_16xn_neon(int16x8_t *in, + uint8_t *output, int stride, + int flipud, int height) { + uint8x16_t temp_output_8q; + int j = flipud ? (height - 1) : 0; + const int step = flipud ? -1 : 1; + for (int i = 0; i < height; ++i, j += step) { + temp_output_8q = vld1q_u8(output + i * stride); + temp_output_8q = + lowbd_get_recon_16x16_neon(temp_output_8q, in[j], in[j + height]); + vst1q_u8((output + i * stride), temp_output_8q); + } +} + +static INLINE void lowbd_inv_txfm2d_memset_neon(int16x8_t *a, int size, + int value) { + for (int i = 0; i < size; i++) { + a[i] = vdupq_n_s16((int16_t)value); + } +} + +static INLINE void btf_16_lane_0_1_neon(const int16x8_t in0, + const int16x8_t in1, const int16x4_t c, + int16x8_t *t0, int16x8_t *t1) { + int32x4_t s0[2], s1[2]; + int16x4_t v0[2], v1[2]; + + s0[0] = vmull_lane_s16(vget_low_s16(in0), c, 0); + s0[1] = vmull_lane_s16(vget_high_s16(in0), c, 0); + s1[0] = vmull_lane_s16(vget_low_s16(in0), c, 1); + s1[1] = vmull_lane_s16(vget_high_s16(in0), c, 1); + + s0[0] = vmlal_lane_s16(s0[0], vget_low_s16(in1), c, 1); + s0[1] = vmlal_lane_s16(s0[1], vget_high_s16(in1), c, 1); + s1[0] = vmlsl_lane_s16(s1[0], vget_low_s16(in1), c, 0); + s1[1] = vmlsl_lane_s16(s1[1], vget_high_s16(in1), c, 0); + + v0[0] = vrshrn_n_s32(s0[0], INV_COS_BIT); + v0[1] = vrshrn_n_s32(s0[1], INV_COS_BIT); + v1[0] = vrshrn_n_s32(s1[0], INV_COS_BIT); + v1[1] = vrshrn_n_s32(s1[1], INV_COS_BIT); + + *t0 = vcombine_s16(v0[0], v0[1]); + *t1 = vcombine_s16(v1[0], v1[1]); +} + +static INLINE void btf_16_lane_1_0_neon(const int16x8_t in0, + const int16x8_t in1, const int16x4_t c, + int16x8_t *t0, int16x8_t *t1) { + int32x4_t s0[2], s1[2]; + int16x4_t v0[2], v1[2]; + + s0[0] = vmull_lane_s16(vget_low_s16(in0), c, 1); + s0[1] = vmull_lane_s16(vget_high_s16(in0), c, 1); + s1[0] = vmull_lane_s16(vget_low_s16(in0), c, 0); + s1[1] = vmull_lane_s16(vget_high_s16(in0), c, 0); + + s0[0] = vmlal_lane_s16(s0[0], vget_low_s16(in1), c, 0); + s0[1] = vmlal_lane_s16(s0[1], vget_high_s16(in1), c, 0); + s1[0] = vmlsl_lane_s16(s1[0], vget_low_s16(in1), c, 1); + s1[1] = vmlsl_lane_s16(s1[1], vget_high_s16(in1), c, 1); + + v0[0] = vrshrn_n_s32(s0[0], INV_COS_BIT); + v0[1] = vrshrn_n_s32(s0[1], INV_COS_BIT); + v1[0] = vrshrn_n_s32(s1[0], INV_COS_BIT); + v1[1] = vrshrn_n_s32(s1[1], INV_COS_BIT); + + *t0 = vcombine_s16(v0[0], v0[1]); + *t1 = vcombine_s16(v1[0], v1[1]); +} + +static INLINE void btf_16_lane_2_3_neon(const int16x8_t in0, + const int16x8_t in1, const int16x4_t c, + int16x8_t *t0, int16x8_t *t1) { + int32x4_t s0[2], s1[2]; + int16x4_t v0[2], v1[2]; + + s0[0] = vmull_lane_s16(vget_low_s16(in0), c, 2); + s0[1] = vmull_lane_s16(vget_high_s16(in0), c, 2); + s1[0] = vmull_lane_s16(vget_low_s16(in0), c, 3); + s1[1] = vmull_lane_s16(vget_high_s16(in0), c, 3); + + s0[0] = vmlal_lane_s16(s0[0], vget_low_s16(in1), c, 3); + s0[1] = vmlal_lane_s16(s0[1], vget_high_s16(in1), c, 3); + s1[0] = vmlsl_lane_s16(s1[0], vget_low_s16(in1), c, 2); + s1[1] = vmlsl_lane_s16(s1[1], vget_high_s16(in1), c, 2); + + v0[0] = vrshrn_n_s32(s0[0], INV_COS_BIT); + v0[1] = vrshrn_n_s32(s0[1], INV_COS_BIT); + v1[0] = vrshrn_n_s32(s1[0], INV_COS_BIT); + v1[1] = vrshrn_n_s32(s1[1], INV_COS_BIT); + + *t0 = vcombine_s16(v0[0], v0[1]); + *t1 = vcombine_s16(v1[0], v1[1]); +} + +static INLINE void btf_16_neon(const int16x8_t in0, int16_t coef1, + int16_t coef2, int16x8_t *t0, int16x8_t *t1) { + int32x4_t s0_l, s0_h, s1_l, s1_h; + int16x4_t v0[2], v1[2]; + + s0_l = vmull_n_s16(vget_low_s16(in0), coef1); + s0_h = vmull_n_s16(vget_high_s16(in0), coef1); + s1_l = vmull_n_s16(vget_low_s16(in0), coef2); + s1_h = vmull_n_s16(vget_high_s16(in0), coef2); + + v0[0] = vrshrn_n_s32(s0_l, INV_COS_BIT); + v0[1] = vrshrn_n_s32(s0_h, INV_COS_BIT); + v1[0] = vrshrn_n_s32(s1_l, INV_COS_BIT); + v1[1] = vrshrn_n_s32(s1_h, INV_COS_BIT); + + *t0 = vcombine_s16(v0[0], v0[1]); + *t1 = vcombine_s16(v1[0], v1[1]); +} + +static INLINE void btf_16_lane_3_2_neon(const int16x8_t in0, + const int16x8_t in1, const int16x4_t c, + int16x8_t *t0, int16x8_t *t1) { + int32x4_t s0[2], s1[2]; + int16x4_t v0[2], v1[2]; + + s0[0] = vmull_lane_s16(vget_low_s16(in0), c, 3); + s0[1] = vmull_lane_s16(vget_high_s16(in0), c, 3); + s1[0] = vmull_lane_s16(vget_low_s16(in0), c, 2); + s1[1] = vmull_lane_s16(vget_high_s16(in0), c, 2); + + s0[0] = vmlal_lane_s16(s0[0], vget_low_s16(in1), c, 2); + s0[1] = vmlal_lane_s16(s0[1], vget_high_s16(in1), c, 2); + s1[0] = vmlsl_lane_s16(s1[0], vget_low_s16(in1), c, 3); + s1[1] = vmlsl_lane_s16(s1[1], vget_high_s16(in1), c, 3); + + v0[0] = vrshrn_n_s32(s0[0], INV_COS_BIT); + v0[1] = vrshrn_n_s32(s0[1], INV_COS_BIT); + v1[0] = vrshrn_n_s32(s1[0], INV_COS_BIT); + v1[1] = vrshrn_n_s32(s1[1], INV_COS_BIT); + + *t0 = vcombine_s16(v0[0], v0[1]); + *t1 = vcombine_s16(v1[0], v1[1]); +} + +static INLINE void btf_16_half_neon(int16x8_t *const x, const int16x4_t c) { + int32x4_t t0[2], t1[2]; + int16x4_t v0[2], v1[2]; + + // Don't add/sub before multiply, which will overflow in iadst8. + const int32x4_t x0_lo = vmull_lane_s16(vget_low_s16(x[0]), c, 0); + const int32x4_t x0_hi = vmull_lane_s16(vget_high_s16(x[0]), c, 0); + const int32x4_t x1_lo = vmull_lane_s16(vget_low_s16(x[1]), c, 0); + const int32x4_t x1_hi = vmull_lane_s16(vget_high_s16(x[1]), c, 0); + + t0[0] = vaddq_s32(x0_lo, x1_lo); + t0[1] = vaddq_s32(x0_hi, x1_hi); + t1[0] = vsubq_s32(x0_lo, x1_lo); + t1[1] = vsubq_s32(x0_hi, x1_hi); + + v0[0] = vrshrn_n_s32(t0[0], INV_COS_BIT); + v0[1] = vrshrn_n_s32(t0[1], INV_COS_BIT); + v1[0] = vrshrn_n_s32(t1[0], INV_COS_BIT); + v1[1] = vrshrn_n_s32(t1[1], INV_COS_BIT); + + x[0] = vcombine_s16(v0[0], v0[1]); + x[1] = vcombine_s16(v1[0], v1[1]); +} + +static INLINE int16x4_t create_s16x4_neon(int16_t *const c0, int16_t *const c1, + int16_t *const c2, + int16_t *const c3) { + int16x4_t val = vdup_n_s16((int16_t)0); + val = vld1_lane_s16(c0, val, 0); + val = vld1_lane_s16(c1, val, 1); + val = vld1_lane_s16(c2, val, 2); + val = vld1_lane_s16(c3, val, 3); + return val; +} + +static INLINE void iadst8_new_neon(int16x8_t *const in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 4), (int16_t *)(cospi + 60), + (int16_t *)(cospi + 20), (int16_t *)(cospi + 44)); + const int16x4_t c1 = + create_s16x4_neon((int16_t *)(cospi + 36), (int16_t *)(cospi + 28), + (int16_t *)(cospi + 52), (int16_t *)(cospi + 12)); + const int16x4_t c2 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + int16x8_t x[8]; + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; + + // Stage 1 + x[0] = in[7]; + x[1] = in[0]; + x[2] = in[5]; + x[3] = in[2]; + x[4] = in[3]; + x[5] = in[4]; + x[6] = in[1]; + x[7] = in[6]; + + // Stage 2 + btf_16_lane_0_1_neon(x[0], x[1], c0, &s0, &s1); + btf_16_lane_2_3_neon(x[2], x[3], c0, &s2, &s3); + btf_16_lane_0_1_neon(x[4], x[5], c1, &s4, &s5); + btf_16_lane_2_3_neon(x[6], x[7], c1, &s6, &s7); + + // Stage 3 + x[0] = vqaddq_s16(s0, s4); + x[1] = vqaddq_s16(s1, s5); + x[2] = vqaddq_s16(s2, s6); + x[3] = vqaddq_s16(s3, s7); + x[4] = vqsubq_s16(s0, s4); + x[5] = vqsubq_s16(s1, s5); + x[6] = vqsubq_s16(s2, s6); + x[7] = vqsubq_s16(s3, s7); + + // Stage 4 + s0 = x[0]; + s1 = x[1]; + s2 = x[2]; + s3 = x[3]; + btf_16_lane_2_3_neon(x[4], x[5], c2, &s4, &s5); + btf_16_lane_3_2_neon(x[7], x[6], c2, &s7, &s6); + + // Stage 5 + x[0] = vqaddq_s16(s0, s2); + x[1] = vqaddq_s16(s1, s3); + x[2] = vqsubq_s16(s0, s2); + x[3] = vqsubq_s16(s1, s3); + x[4] = vqaddq_s16(s4, s6); + x[5] = vqaddq_s16(s5, s7); + x[6] = vqsubq_s16(s4, s6); + x[7] = vqsubq_s16(s5, s7); + + // stage 6 + btf_16_half_neon(x + 2, c2); + btf_16_half_neon(x + 6, c2); + + // Stage 7 + out[0] = x[0]; + out[1] = vnegq_s16(x[4]); + out[2] = x[6]; + out[3] = vnegq_s16(x[2]); + out[4] = x[3]; + out[5] = vnegq_s16(x[7]); + out[6] = x[5]; + out[7] = vnegq_s16(x[1]); +} + +static INLINE void iadst8_low1_new_neon(int16x8_t *const in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + const int16x4_t c2 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + int16x8_t x[8]; + int16x8_t s0, s1, s4, s5; + + // Stage 1 + x[1] = in[0]; + + // Stage 2 + + btf_16_neon(x[1], cospi[60], -cospi[4], &s0, &s1); + + // Stage 3 + x[0] = s0; + x[1] = s1; + x[4] = s0; + x[5] = s1; + + // Stage 4 + s0 = x[0]; + s1 = x[1]; + btf_16_lane_2_3_neon(x[4], x[5], c2, &s4, &s5); + + // Stage 5 + x[0] = s0; + x[1] = s1; + x[2] = s0; + x[3] = s1; + x[4] = s4; + x[5] = s5; + x[6] = s4; + x[7] = s5; + + // stage 6 + btf_16_half_neon(x + 2, c2); + btf_16_half_neon(x + 6, c2); + + // Stage 7 + out[0] = x[0]; + out[1] = vnegq_s16(x[4]); + out[2] = x[6]; + out[3] = vnegq_s16(x[2]); + out[4] = x[3]; + out[5] = vnegq_s16(x[7]); + out[6] = x[5]; + out[7] = vnegq_s16(x[1]); +} + +static INLINE void idct8_new_neon(int16x8_t *in, int16x8_t *out, int8_t cos_bit, + int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1[8], step2[8]; + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + const int16x4_t c2 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + // stage 2 + btf_16_lane_0_1_neon(in[1], in[7], c0, &step1[7], &step1[4]); + btf_16_lane_2_3_neon(in[5], in[3], c0, &step1[6], &step1[5]); + + // stage 3 + btf_16_lane_0_1_neon(in[0], in[4], c2, &step2[0], &step2[1]); + btf_16_lane_2_3_neon(in[2], in[6], c2, &step2[3], &step2[2]); + step2[4] = vqaddq_s16(step1[4], step1[5]); + step2[5] = vqsubq_s16(step1[4], step1[5]); + step2[6] = vqsubq_s16(step1[7], step1[6]); + step2[7] = vqaddq_s16(step1[7], step1[6]); + + // stage 4 + step1[0] = vqaddq_s16(step2[0], step2[3]); + step1[1] = vqaddq_s16(step2[1], step2[2]); + step1[2] = vqsubq_s16(step2[1], step2[2]); + step1[3] = vqsubq_s16(step2[0], step2[3]); + btf_16_lane_0_1_neon(step2[6], step2[5], c2, &step1[6], &step1[5]); + + // stage 5 + out[0] = vqaddq_s16(step1[0], step2[7]); + out[1] = vqaddq_s16(step1[1], step1[6]); + out[2] = vqaddq_s16(step1[2], step1[5]); + out[3] = vqaddq_s16(step1[3], step2[4]); + out[4] = vqsubq_s16(step1[3], step2[4]); + out[5] = vqsubq_s16(step1[2], step1[5]); + out[6] = vqsubq_s16(step1[1], step1[6]); + out[7] = vqsubq_s16(step1[0], step2[7]); +} + +static INLINE void idct8_low1_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1; + int32x4_t t32[2]; + + // stage 1 + // stage 2 + // stage 3 + t32[0] = vmull_n_s16(vget_low_s16(in[0]), (int16_t)cospi[32]); + t32[1] = vmull_n_s16(vget_high_s16(in[0]), (int16_t)cospi[32]); + + step1 = vcombine_s16(vrshrn_n_s32(t32[0], INV_COS_BIT), + vrshrn_n_s32(t32[1], INV_COS_BIT)); + + // stage 4 + // stage 5 + out[0] = step1; + out[1] = step1; + out[2] = step1; + out[3] = step1; + out[4] = step1; + out[5] = step1; + out[6] = step1; + out[7] = step1; +} + +void av1_round_shift_array_16_neon(int16x8_t *arr, int size, int bit) { + assert(!(size % 4)); + if (!bit) return; + const int16x8_t dup_bits_n_16x8 = vdupq_n_s16((int16_t)(-bit)); + for (int i = 0; i < size; i++) { + arr[i] = vrshlq_s16(arr[i], dup_bits_n_16x8); + } +} + +static INLINE void flip_buf_ud_neon(int16x8_t *input, int size) { + int16x8_t temp[8]; + for (int i = 0; i < size; ++i) { + temp[i] = input[size - 1 - i]; + } + for (int i = 0; i < size; ++i) { + input[i] = temp[i]; + } +} + +static INLINE void load_buffer_32bit_to_16bit_neon(const int32_t *input, + int16x8_t *const a, + int out_size) { + for (int i = 0; i < 8; ++i) { + a[i] = vcombine_s16(vmovn_s32(vld1q_s32(input)), + vmovn_s32(vld1q_s32(input + 4))); + input += out_size; + } +} + +static INLINE void identity8_new_neon(int16x8_t *input, int16x8_t *output, + int8_t cos_bit, int bit) { + (void)bit; + (void)cos_bit; + + output[0] = vmulq_n_s16(input[0], (int16_t)2); + output[1] = vmulq_n_s16(input[1], (int16_t)2); + output[2] = vmulq_n_s16(input[2], (int16_t)2); + output[3] = vmulq_n_s16(input[3], (int16_t)2); + output[4] = vmulq_n_s16(input[4], (int16_t)2); + output[5] = vmulq_n_s16(input[5], (int16_t)2); + output[6] = vmulq_n_s16(input[6], (int16_t)2); + output[7] = vmulq_n_s16(input[7], (int16_t)2); +} + +static INLINE void round_shift_for_rect(int16x8_t *input, int16x8_t *output, + int size) { + int32x4_t out_low, out_high; + int16x4_t low, high; + + for (int z = 0; z < size; ++z) { + out_low = vmull_n_s16(vget_low_s16(input[z]), (int16_t)NewInvSqrt2); + out_high = vmull_n_s16(vget_high_s16(input[z]), (int16_t)NewInvSqrt2); + + low = vqrshrn_n_s32(out_low, (int32_t)NewSqrt2Bits); + high = vqrshrn_n_s32(out_high, (int32_t)NewSqrt2Bits); + + output[z] = vcombine_s16(low, high); + } +} + +static INLINE void identity16_new_neon(int16x8_t *input, int16x8_t *output, + int8_t cos_bit, int bit) { + (void)bit; + (void)cos_bit; + + int32x4_t out_low, out_high; + int16x4_t low, high; + int16_t scale = (int16_t)(2 * NewSqrt2); + + for (int z = 0; z < 16; ++z) { + out_low = vmull_n_s16(vget_low_s16(input[z]), scale); + out_high = vmull_n_s16(vget_high_s16(input[z]), scale); + + low = vqrshrn_n_s32(out_low, (int32_t)NewSqrt2Bits); + high = vqrshrn_n_s32(out_high, (int32_t)NewSqrt2Bits); + + output[z] = vcombine_s16(low, high); + } +} + +static INLINE void identity32_new_neon(int16x8_t *input, int16x8_t *output, + int8_t cos_bit, int bit) { + (void)bit; + (void)cos_bit; + + for (int z = 0; z < 32; ++z) { + output[z] = vmulq_n_s16(input[z], (int16_t)4); + } +} + +static INLINE void idct16_low1_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1; + int32x4_t t32[2]; + + // stage 4 + + t32[0] = vmull_n_s16(vget_low_s16(in[0]), cospi[32]); + t32[1] = vmull_n_s16(vget_high_s16(in[0]), cospi[32]); + step1 = vcombine_s16(vrshrn_n_s32(t32[0], INV_COS_BIT), + vrshrn_n_s32(t32[1], INV_COS_BIT)); + + // stage 6 + // stage 7 + out[0] = step1; + out[1] = step1; + out[2] = step1; + out[3] = step1; + out[4] = step1; + out[5] = step1; + out[6] = step1; + out[7] = step1; + out[8] = step1; + out[9] = step1; + out[10] = step1; + out[11] = step1; + out[12] = step1; + out[13] = step1; + out[14] = step1; + out[15] = step1; +} + +static INLINE void idct16_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1[16], step2[16]; + + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 4), (int16_t *)(cospi + 60), + (int16_t *)(cospi + 36), (int16_t *)(cospi + 28)); + const int16x4_t c1 = + create_s16x4_neon((int16_t *)(cospi + 20), (int16_t *)(cospi + 44), + (int16_t *)(cospi + 52), (int16_t *)(cospi + 12)); + const int16x4_t c2 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + const int16x4_t c3 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + // stage 2 + + btf_16_lane_0_1_neon(in[1], in[15], c0, &step2[15], &step2[8]); + btf_16_lane_2_3_neon(in[9], in[7], c0, &step2[14], &step2[9]); + btf_16_lane_0_1_neon(in[5], in[11], c1, &step2[13], &step2[10]); + btf_16_lane_2_3_neon(in[13], in[3], c1, &step2[12], &step2[11]); + + step2[0] = in[0]; + step2[1] = in[8]; + step2[2] = in[4]; + step2[3] = in[12]; + step2[4] = in[2]; + step2[5] = in[10]; + step2[6] = in[6]; + step2[7] = in[14]; + + // stage 3 + + btf_16_lane_0_1_neon(step2[4], step2[7], c2, &step1[7], &step1[4]); + btf_16_lane_2_3_neon(step2[5], step2[6], c2, &step1[6], &step1[5]); + + step1[0] = step2[0]; + step1[1] = step2[1]; + step1[2] = step2[2]; + step1[3] = step2[3]; + step1[8] = vqaddq_s16(step2[8], step2[9]); + step1[9] = vqsubq_s16(step2[8], step2[9]); + step1[10] = vqsubq_s16(step2[11], step2[10]); + step1[11] = vqaddq_s16(step2[11], step2[10]); + step1[12] = vqaddq_s16(step2[12], step2[13]); + step1[13] = vqsubq_s16(step2[12], step2[13]); + step1[14] = vqsubq_s16(step2[15], step2[14]); + step1[15] = vqaddq_s16(step2[15], step2[14]); + + // stage 4 + + btf_16_lane_0_1_neon(step1[0], step1[1], c3, &step2[0], &step2[1]); + btf_16_lane_2_3_neon(step1[2], step1[3], c3, &step2[3], &step2[2]); + btf_16_lane_2_3_neon(step1[14], step1[9], c3, &step2[14], &step2[9]); + btf_16_lane_3_2_neon(vnegq_s16(step1[10]), vnegq_s16(step1[13]), c3, + &step2[10], &step2[13]); + + step2[4] = vqaddq_s16(step1[4], step1[5]); + step2[5] = vqsubq_s16(step1[4], step1[5]); + step2[6] = vqsubq_s16(step1[7], step1[6]); + step2[7] = vqaddq_s16(step1[7], step1[6]); + step2[8] = step1[8]; + step2[11] = step1[11]; + step2[12] = step1[12]; + step2[15] = step1[15]; + + // stage 5 + + btf_16_lane_0_1_neon(step2[6], step2[5], c3, &step1[6], &step1[5]); + + step1[0] = vqaddq_s16(step2[0], step2[3]); + step1[1] = vqaddq_s16(step2[1], step2[2]); + step1[2] = vqsubq_s16(step2[1], step2[2]); + step1[3] = vqsubq_s16(step2[0], step2[3]); + step1[4] = step2[4]; + step1[7] = step2[7]; + step1[8] = vqaddq_s16(step2[8], step2[11]); + step1[9] = vqaddq_s16(step2[9], step2[10]); + step1[10] = vqsubq_s16(step2[9], step2[10]); + step1[11] = vqsubq_s16(step2[8], step2[11]); + step1[12] = vqsubq_s16(step2[15], step2[12]); + step1[13] = vqsubq_s16(step2[14], step2[13]); + step1[14] = vqaddq_s16(step2[14], step2[13]); + step1[15] = vqaddq_s16(step2[15], step2[12]); + + // stage 6 + + btf_16_lane_0_1_neon(step1[13], step1[10], c3, &step2[13], &step2[10]); + btf_16_lane_0_1_neon(step1[12], step1[11], c3, &step2[12], &step2[11]); + + step2[0] = vqaddq_s16(step1[0], step1[7]); + step2[1] = vqaddq_s16(step1[1], step1[6]); + step2[2] = vqaddq_s16(step1[2], step1[5]); + step2[3] = vqaddq_s16(step1[3], step1[4]); + step2[4] = vqsubq_s16(step1[3], step1[4]); + step2[5] = vqsubq_s16(step1[2], step1[5]); + step2[6] = vqsubq_s16(step1[1], step1[6]); + step2[7] = vqsubq_s16(step1[0], step1[7]); + step2[8] = step1[8]; + step2[9] = step1[9]; + step2[14] = step1[14]; + step2[15] = step1[15]; + + // stage 7 + out[0] = vqaddq_s16(step2[0], step2[15]); + out[1] = vqaddq_s16(step2[1], step2[14]); + out[2] = vqaddq_s16(step2[2], step2[13]); + out[3] = vqaddq_s16(step2[3], step2[12]); + out[4] = vqaddq_s16(step2[4], step2[11]); + out[5] = vqaddq_s16(step2[5], step2[10]); + out[6] = vqaddq_s16(step2[6], step2[9]); + out[7] = vqaddq_s16(step2[7], step2[8]); + out[8] = vqsubq_s16(step2[7], step2[8]); + out[9] = vqsubq_s16(step2[6], step2[9]); + out[10] = vqsubq_s16(step2[5], step2[10]); + out[11] = vqsubq_s16(step2[4], step2[11]); + out[12] = vqsubq_s16(step2[3], step2[12]); + out[13] = vqsubq_s16(step2[2], step2[13]); + out[14] = vqsubq_s16(step2[1], step2[14]); + out[15] = vqsubq_s16(step2[0], step2[15]); +} + +static INLINE void idct16_low8_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1[16], step2[16]; + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + // stage 1 + // stage 2 + + step2[0] = in[0]; + step2[2] = in[4]; + step2[4] = in[2]; + step2[6] = in[6]; + + btf_16_neon(in[1], cospi[60], cospi[4], &step2[8], &step2[15]); + btf_16_neon(in[7], -cospi[36], cospi[28], &step2[9], &step2[14]); + btf_16_neon(in[5], cospi[44], cospi[20], &step2[10], &step2[13]); + btf_16_neon(in[3], -cospi[52], cospi[12], &step2[11], &step2[12]); + + // stage 3 + + btf_16_neon(step2[4], cospi[56], cospi[8], &step1[4], &step1[7]); + btf_16_neon(step2[6], -cospi[40], cospi[24], &step1[5], &step1[6]); + + step1[0] = step2[0]; + step1[2] = step2[2]; + step1[8] = vqaddq_s16(step2[8], step2[9]); + step1[9] = vqsubq_s16(step2[8], step2[9]); + step1[10] = vqsubq_s16(step2[11], step2[10]); + step1[11] = vqaddq_s16(step2[11], step2[10]); + step1[12] = vqaddq_s16(step2[12], step2[13]); + step1[13] = vqsubq_s16(step2[12], step2[13]); + step1[14] = vqsubq_s16(step2[15], step2[14]); + step1[15] = vqaddq_s16(step2[15], step2[14]); + + // stage 4 + + btf_16_neon(step1[0], cospi[32], cospi[32], &step2[0], &step2[1]); + btf_16_neon(step1[2], cospi[48], cospi[16], &step2[2], &step2[3]); + btf_16_lane_2_3_neon(step1[14], step1[9], c0, &step2[14], &step2[9]); + btf_16_lane_3_2_neon(vnegq_s16(step1[10]), vnegq_s16(step1[13]), c0, + &step2[10], &step2[13]); + + step2[4] = vqaddq_s16(step1[4], step1[5]); + step2[5] = vqsubq_s16(step1[4], step1[5]); + step2[6] = vqsubq_s16(step1[7], step1[6]); + step2[7] = vqaddq_s16(step1[7], step1[6]); + step2[8] = step1[8]; + step2[11] = step1[11]; + step2[12] = step1[12]; + step2[15] = step1[15]; + + // stage 5 + + btf_16_lane_0_1_neon(step2[6], step2[5], c0, &step1[6], &step1[5]); + step1[0] = vqaddq_s16(step2[0], step2[3]); + step1[1] = vqaddq_s16(step2[1], step2[2]); + step1[2] = vqsubq_s16(step2[1], step2[2]); + step1[3] = vqsubq_s16(step2[0], step2[3]); + step1[4] = step2[4]; + step1[7] = step2[7]; + step1[8] = vqaddq_s16(step2[8], step2[11]); + step1[9] = vqaddq_s16(step2[9], step2[10]); + step1[10] = vqsubq_s16(step2[9], step2[10]); + step1[11] = vqsubq_s16(step2[8], step2[11]); + step1[12] = vqsubq_s16(step2[15], step2[12]); + step1[13] = vqsubq_s16(step2[14], step2[13]); + step1[14] = vqaddq_s16(step2[14], step2[13]); + step1[15] = vqaddq_s16(step2[15], step2[12]); + + // stage 6 + btf_16_lane_0_1_neon(step1[13], step1[10], c0, &step2[13], &step2[10]); + btf_16_lane_0_1_neon(step1[12], step1[11], c0, &step2[12], &step2[11]); + + step2[0] = vqaddq_s16(step1[0], step1[7]); + step2[1] = vqaddq_s16(step1[1], step1[6]); + step2[2] = vqaddq_s16(step1[2], step1[5]); + step2[3] = vqaddq_s16(step1[3], step1[4]); + step2[4] = vqsubq_s16(step1[3], step1[4]); + step2[5] = vqsubq_s16(step1[2], step1[5]); + step2[6] = vqsubq_s16(step1[1], step1[6]); + step2[7] = vqsubq_s16(step1[0], step1[7]); + step2[8] = step1[8]; + step2[9] = step1[9]; + step2[14] = step1[14]; + step2[15] = step1[15]; + + // stage 7 + + out[0] = vqaddq_s16(step2[0], step2[15]); + out[1] = vqaddq_s16(step2[1], step2[14]); + out[2] = vqaddq_s16(step2[2], step2[13]); + out[3] = vqaddq_s16(step2[3], step2[12]); + out[4] = vqaddq_s16(step2[4], step2[11]); + out[5] = vqaddq_s16(step2[5], step2[10]); + out[6] = vqaddq_s16(step2[6], step2[9]); + out[7] = vqaddq_s16(step2[7], step2[8]); + out[8] = vqsubq_s16(step2[7], step2[8]); + out[9] = vqsubq_s16(step2[6], step2[9]); + out[10] = vqsubq_s16(step2[5], step2[10]); + out[11] = vqsubq_s16(step2[4], step2[11]); + out[12] = vqsubq_s16(step2[3], step2[12]); + out[13] = vqsubq_s16(step2[2], step2[13]); + out[14] = vqsubq_s16(step2[1], step2[14]); + out[15] = vqsubq_s16(step2[0], step2[15]); +} + +static INLINE void iadst16_new_neon(int16x8_t *const in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 2), (int16_t *)(cospi + 62), + (int16_t *)(cospi + 10), (int16_t *)(cospi + 54)); + const int16x4_t c1 = + create_s16x4_neon((int16_t *)(cospi + 18), (int16_t *)(cospi + 46), + (int16_t *)(cospi + 26), (int16_t *)(cospi + 38)); + const int16x4_t c2 = + create_s16x4_neon((int16_t *)(cospi + 34), (int16_t *)(cospi + 30), + (int16_t *)(cospi + 42), (int16_t *)(cospi + 22)); + const int16x4_t c3 = + create_s16x4_neon((int16_t *)(cospi + 50), (int16_t *)(cospi + 14), + (int16_t *)(cospi + 58), (int16_t *)(cospi + 6)); + const int16x4_t c4 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + + const int16x4_t c = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + int16x8_t x[16]; + int16x8_t t[14]; + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; + int16x8_t s8, s9, s10, s11, s12, s13, s14, s15; + + // Stage 1 + x[0] = in[15]; + x[1] = in[0]; + x[2] = in[13]; + x[3] = in[2]; + x[4] = in[11]; + x[5] = in[4]; + x[6] = in[9]; + x[7] = in[6]; + x[8] = in[7]; + x[9] = in[8]; + x[10] = in[5]; + x[11] = in[10]; + x[12] = in[3]; + x[13] = in[12]; + x[14] = in[1]; + x[15] = in[14]; + + // Stage 2 + btf_16_lane_0_1_neon(x[0], x[1], c0, &s0, &s1); + btf_16_lane_2_3_neon(x[2], x[3], c0, &s2, &s3); + btf_16_lane_0_1_neon(x[4], x[5], c1, &s4, &s5); + btf_16_lane_2_3_neon(x[6], x[7], c1, &s6, &s7); + btf_16_lane_0_1_neon(x[8], x[9], c2, &s8, &s9); + btf_16_lane_2_3_neon(x[10], x[11], c2, &s10, &s11); + btf_16_lane_0_1_neon(x[12], x[13], c3, &s12, &s13); + btf_16_lane_2_3_neon(x[14], x[15], c3, &s14, &s15); + + // Stage 3 + x[0] = vqaddq_s16(s0, s8); + x[1] = vqaddq_s16(s1, s9); + x[2] = vqaddq_s16(s2, s10); + x[3] = vqaddq_s16(s3, s11); + x[4] = vqaddq_s16(s4, s12); + x[5] = vqaddq_s16(s5, s13); + x[6] = vqaddq_s16(s6, s14); + x[7] = vqaddq_s16(s7, s15); + x[8] = vqsubq_s16(s0, s8); + x[9] = vqsubq_s16(s1, s9); + x[10] = vqsubq_s16(s2, s10); + x[11] = vqsubq_s16(s3, s11); + x[12] = vqsubq_s16(s4, s12); + x[13] = vqsubq_s16(s5, s13); + x[14] = vqsubq_s16(s6, s14); + x[15] = vqsubq_s16(s7, s15); + + // Stage 4 + t[0] = x[0]; + t[1] = x[1]; + t[2] = x[2]; + t[3] = x[3]; + t[4] = x[4]; + t[5] = x[5]; + t[6] = x[6]; + t[7] = x[7]; + btf_16_lane_0_1_neon(x[8], x[9], c4, &s8, &s9); + btf_16_lane_2_3_neon(x[10], x[11], c4, &s10, &s11); + btf_16_lane_1_0_neon(x[13], x[12], c4, &s13, &s12); + btf_16_lane_3_2_neon(x[15], x[14], c4, &s15, &s14); + + // Stage 5 + x[0] = vqaddq_s16(t[0], t[4]); + x[1] = vqaddq_s16(t[1], t[5]); + x[2] = vqaddq_s16(t[2], t[6]); + x[3] = vqaddq_s16(t[3], t[7]); + x[4] = vqsubq_s16(t[0], t[4]); + x[5] = vqsubq_s16(t[1], t[5]); + x[6] = vqsubq_s16(t[2], t[6]); + x[7] = vqsubq_s16(t[3], t[7]); + x[8] = vqaddq_s16(s8, s12); + x[9] = vqaddq_s16(s9, s13); + x[10] = vqaddq_s16(s10, s14); + x[11] = vqaddq_s16(s11, s15); + x[12] = vqsubq_s16(s8, s12); + x[13] = vqsubq_s16(s9, s13); + x[14] = vqsubq_s16(s10, s14); + x[15] = vqsubq_s16(s11, s15); + + // stage 6 + t[0] = x[0]; + t[1] = x[1]; + t[2] = x[2]; + t[3] = x[3]; + btf_16_lane_2_3_neon(x[4], x[5], c, &s4, &s5); + btf_16_lane_3_2_neon(x[7], x[6], c, &s7, &s6); + t[8] = x[8]; + t[9] = x[9]; + t[10] = x[10]; + t[11] = x[11]; + btf_16_lane_2_3_neon(x[12], x[13], c, &s12, &s13); + btf_16_lane_3_2_neon(x[15], x[14], c, &s15, &s14); + + // Stage 7 + x[0] = vqaddq_s16(t[0], t[2]); + x[1] = vqaddq_s16(t[1], t[3]); + x[2] = vqsubq_s16(t[0], t[2]); + x[3] = vqsubq_s16(t[1], t[3]); + x[4] = vqaddq_s16(s4, s6); + x[5] = vqaddq_s16(s5, s7); + x[6] = vqsubq_s16(s4, s6); + x[7] = vqsubq_s16(s5, s7); + x[8] = vqaddq_s16(t[8], t[10]); + x[9] = vqaddq_s16(t[9], t[11]); + x[10] = vqsubq_s16(t[8], t[10]); + x[11] = vqsubq_s16(t[9], t[11]); + x[12] = vqaddq_s16(s12, s14); + x[13] = vqaddq_s16(s13, s15); + x[14] = vqsubq_s16(s12, s14); + x[15] = vqsubq_s16(s13, s15); + + // Stage 8 + btf_16_half_neon(x + 2, c); + btf_16_half_neon(x + 6, c); + btf_16_half_neon(x + 10, c); + btf_16_half_neon(x + 14, c); + + // Stage 9 + out[0] = x[0]; + out[1] = vnegq_s16(x[8]); + out[2] = x[12]; + out[3] = vnegq_s16(x[4]); + out[4] = x[6]; + out[5] = vnegq_s16(x[14]); + out[6] = x[10]; + out[7] = vnegq_s16(x[2]); + out[8] = x[3]; + out[9] = vnegq_s16(x[11]); + out[10] = x[15]; + out[11] = vnegq_s16(x[7]); + out[12] = x[5]; + out[13] = vnegq_s16(x[13]); + out[14] = x[9]; + out[15] = vnegq_s16(x[1]); +} + +static INLINE void iadst16_low1_new_neon(int16x8_t *const in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + const int16x4_t c4 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + const int16x4_t c = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + int16x8_t x[16]; + int16x8_t t[10]; + int16x8_t s0, s1, s4, s5; + int16x8_t s8, s9, s12, s13; + + // Stage 1 + x[1] = in[0]; + + // Stage 2 + btf_16_neon(x[1], cospi[62], -cospi[2], &s0, &s1); + + // Stage 3 + x[0] = s0; + x[1] = s1; + x[8] = s0; + x[9] = s1; + + // Stage 4 + t[0] = x[0]; + t[1] = x[1]; + btf_16_lane_0_1_neon(x[8], x[9], c4, &s8, &s9); + + // Stage 5 + x[0] = t[0]; + x[1] = t[1]; + x[4] = t[0]; + x[5] = t[1]; + x[8] = s8; + x[9] = s9; + x[12] = s8; + x[13] = s9; + + // stage 6 + t[0] = x[0]; + t[1] = x[1]; + btf_16_lane_2_3_neon(x[4], x[5], c, &s4, &s5); + t[8] = x[8]; + t[9] = x[9]; + btf_16_lane_2_3_neon(x[12], x[13], c, &s12, &s13); + + // Stage 7 + x[0] = t[0]; + x[1] = t[1]; + x[2] = t[0]; + x[3] = t[1]; + x[4] = s4; + x[5] = s5; + x[6] = s4; + x[7] = s5; + x[8] = t[8]; + x[9] = t[9]; + x[10] = t[8]; + x[11] = t[9]; + x[12] = s12; + x[13] = s13; + x[14] = s12; + x[15] = s13; + + // Stage 8 + btf_16_half_neon(x + 2, c); + btf_16_half_neon(x + 6, c); + btf_16_half_neon(x + 10, c); + btf_16_half_neon(x + 14, c); + + // Stage 9 + out[0] = x[0]; + out[1] = vnegq_s16(x[8]); + out[2] = x[12]; + out[3] = vnegq_s16(x[4]); + out[4] = x[6]; + out[5] = vnegq_s16(x[14]); + out[6] = x[10]; + out[7] = vnegq_s16(x[2]); + out[8] = x[3]; + out[9] = vnegq_s16(x[11]); + out[10] = x[15]; + out[11] = vnegq_s16(x[7]); + out[12] = x[5]; + out[13] = vnegq_s16(x[13]); + out[14] = x[9]; + out[15] = vnegq_s16(x[1]); +} + +static INLINE void iadst16_low8_new_neon(int16x8_t *const in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + + const int16x4_t c4 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + const int16x4_t c = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + int16x8_t x[16]; + int16x8_t t[14]; + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; + int16x8_t s8, s9, s10, s11, s12, s13, s14, s15; + + // Stage 1 + x[1] = in[0]; + x[3] = in[2]; + x[5] = in[4]; + x[7] = in[6]; + x[8] = in[7]; + x[10] = in[5]; + x[12] = in[3]; + x[14] = in[1]; + + // Stage 2 + btf_16_neon(x[1], cospi[62], -cospi[2], &s0, &s1); + btf_16_neon(x[3], cospi[54], -cospi[10], &s2, &s3); + btf_16_neon(x[5], cospi[46], -cospi[18], &s4, &s5); + btf_16_neon(x[7], cospi[38], -cospi[26], &s6, &s7); + + btf_16_neon(x[8], cospi[34], cospi[30], &s8, &s9); + btf_16_neon(x[10], cospi[42], cospi[22], &s10, &s11); + btf_16_neon(x[12], cospi[50], cospi[14], &s12, &s13); + btf_16_neon(x[14], cospi[58], cospi[6], &s14, &s15); + + // Stage 3 + x[0] = vqaddq_s16(s0, s8); + x[1] = vqaddq_s16(s1, s9); + x[2] = vqaddq_s16(s2, s10); + x[3] = vqaddq_s16(s3, s11); + x[4] = vqaddq_s16(s4, s12); + x[5] = vqaddq_s16(s5, s13); + x[6] = vqaddq_s16(s6, s14); + x[7] = vqaddq_s16(s7, s15); + x[8] = vqsubq_s16(s0, s8); + x[9] = vqsubq_s16(s1, s9); + x[10] = vqsubq_s16(s2, s10); + x[11] = vqsubq_s16(s3, s11); + x[12] = vqsubq_s16(s4, s12); + x[13] = vqsubq_s16(s5, s13); + x[14] = vqsubq_s16(s6, s14); + x[15] = vqsubq_s16(s7, s15); + + // Stage 4 + t[0] = x[0]; + t[1] = x[1]; + t[2] = x[2]; + t[3] = x[3]; + t[4] = x[4]; + t[5] = x[5]; + t[6] = x[6]; + t[7] = x[7]; + btf_16_lane_0_1_neon(x[8], x[9], c4, &s8, &s9); + btf_16_lane_2_3_neon(x[10], x[11], c4, &s10, &s11); + btf_16_lane_1_0_neon(x[13], x[12], c4, &s13, &s12); + btf_16_lane_3_2_neon(x[15], x[14], c4, &s15, &s14); + + // Stage 5 + x[0] = vqaddq_s16(t[0], t[4]); + x[1] = vqaddq_s16(t[1], t[5]); + x[2] = vqaddq_s16(t[2], t[6]); + x[3] = vqaddq_s16(t[3], t[7]); + x[4] = vqsubq_s16(t[0], t[4]); + x[5] = vqsubq_s16(t[1], t[5]); + x[6] = vqsubq_s16(t[2], t[6]); + x[7] = vqsubq_s16(t[3], t[7]); + x[8] = vqaddq_s16(s8, s12); + x[9] = vqaddq_s16(s9, s13); + x[10] = vqaddq_s16(s10, s14); + x[11] = vqaddq_s16(s11, s15); + x[12] = vqsubq_s16(s8, s12); + x[13] = vqsubq_s16(s9, s13); + x[14] = vqsubq_s16(s10, s14); + x[15] = vqsubq_s16(s11, s15); + + // stage 6 + t[0] = x[0]; + t[1] = x[1]; + t[2] = x[2]; + t[3] = x[3]; + btf_16_lane_2_3_neon(x[4], x[5], c, &s4, &s5); + btf_16_lane_3_2_neon(x[7], x[6], c, &s7, &s6); + t[8] = x[8]; + t[9] = x[9]; + t[10] = x[10]; + t[11] = x[11]; + btf_16_lane_2_3_neon(x[12], x[13], c, &s12, &s13); + btf_16_lane_3_2_neon(x[15], x[14], c, &s15, &s14); + + // Stage 7 + x[0] = vqaddq_s16(t[0], t[2]); + x[1] = vqaddq_s16(t[1], t[3]); + x[2] = vqsubq_s16(t[0], t[2]); + x[3] = vqsubq_s16(t[1], t[3]); + x[4] = vqaddq_s16(s4, s6); + x[5] = vqaddq_s16(s5, s7); + x[6] = vqsubq_s16(s4, s6); + x[7] = vqsubq_s16(s5, s7); + x[8] = vqaddq_s16(t[8], t[10]); + x[9] = vqaddq_s16(t[9], t[11]); + x[10] = vqsubq_s16(t[8], t[10]); + x[11] = vqsubq_s16(t[9], t[11]); + x[12] = vqaddq_s16(s12, s14); + x[13] = vqaddq_s16(s13, s15); + x[14] = vqsubq_s16(s12, s14); + x[15] = vqsubq_s16(s13, s15); + + // Stage 8 + btf_16_half_neon(x + 2, c); + btf_16_half_neon(x + 6, c); + btf_16_half_neon(x + 10, c); + btf_16_half_neon(x + 14, c); + + // Stage 9 + out[0] = x[0]; + out[1] = vnegq_s16(x[8]); + out[2] = x[12]; + out[3] = vnegq_s16(x[4]); + out[4] = x[6]; + out[5] = vnegq_s16(x[14]); + out[6] = x[10]; + out[7] = vnegq_s16(x[2]); + out[8] = x[3]; + out[9] = vnegq_s16(x[11]); + out[10] = x[15]; + out[11] = vnegq_s16(x[7]); + out[12] = x[5]; + out[13] = vnegq_s16(x[13]); + out[14] = x[9]; + out[15] = vnegq_s16(x[1]); +} + +static INLINE void idct32_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1[32], step2[32]; + + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 2), (int16_t *)(cospi + 62), + (int16_t *)(cospi + 34), (int16_t *)(cospi + 30)); + const int16x4_t c1 = + create_s16x4_neon((int16_t *)(cospi + 18), (int16_t *)(cospi + 46), + (int16_t *)(cospi + 50), (int16_t *)(cospi + 14)); + const int16x4_t c2 = + create_s16x4_neon((int16_t *)(cospi + 10), (int16_t *)(cospi + 54), + (int16_t *)(cospi + 42), (int16_t *)(cospi + 22)); + const int16x4_t c3 = + create_s16x4_neon((int16_t *)(cospi + 26), (int16_t *)(cospi + 38), + (int16_t *)(cospi + 58), (int16_t *)(cospi + 6)); + const int16x4_t c4 = + create_s16x4_neon((int16_t *)(cospi + 4), (int16_t *)(cospi + 60), + (int16_t *)(cospi + 36), (int16_t *)(cospi + 28)); + const int16x4_t c5 = + create_s16x4_neon((int16_t *)(cospi + 20), (int16_t *)(cospi + 44), + (int16_t *)(cospi + 52), (int16_t *)(cospi + 12)); + const int16x4_t c6 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + const int16x4_t c7 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + // stage 2 + + btf_16_lane_0_1_neon(in[1], in[31], c0, &step2[31], &step2[16]); + btf_16_lane_2_3_neon(in[17], in[15], c0, &step2[30], &step2[17]); + btf_16_lane_0_1_neon(in[9], in[23], c1, &step2[29], &step2[18]); + btf_16_lane_2_3_neon(in[25], in[7], c1, &step2[28], &step2[19]); + btf_16_lane_0_1_neon(in[5], in[27], c2, &step2[27], &step2[20]); + btf_16_lane_2_3_neon(in[21], in[11], c2, &step2[26], &step2[21]); + btf_16_lane_0_1_neon(in[13], in[19], c3, &step2[25], &step2[22]); + btf_16_lane_2_3_neon(in[29], in[3], c3, &step2[24], &step2[23]); + + step2[0] = in[0]; + step2[1] = in[16]; + step2[2] = in[8]; + step2[3] = in[24]; + step2[4] = in[4]; + step2[5] = in[20]; + step2[6] = in[12]; + step2[7] = in[28]; + step2[8] = in[2]; + step2[9] = in[18]; + step2[10] = in[10]; + step2[11] = in[26]; + step2[12] = in[6]; + step2[13] = in[22]; + step2[14] = in[14]; + step2[15] = in[30]; + + // stage 3 + + btf_16_lane_0_1_neon(step2[8], step2[15], c4, &step1[15], &step1[8]); + btf_16_lane_2_3_neon(step2[9], step2[14], c4, &step1[14], &step1[9]); + btf_16_lane_0_1_neon(step2[10], step2[13], c5, &step1[13], &step1[10]); + btf_16_lane_2_3_neon(step2[11], step2[12], c5, &step1[12], &step1[11]); + + step1[0] = step2[0]; + step1[1] = step2[1]; + step1[2] = step2[2]; + step1[3] = step2[3]; + step1[4] = step2[4]; + step1[5] = step2[5]; + step1[6] = step2[6]; + step1[7] = step2[7]; + + step1[16] = vqaddq_s16(step2[16], step2[17]); + step1[17] = vqsubq_s16(step2[16], step2[17]); + step1[18] = vqsubq_s16(step2[19], step2[18]); + step1[19] = vqaddq_s16(step2[19], step2[18]); + step1[20] = vqaddq_s16(step2[20], step2[21]); + step1[21] = vqsubq_s16(step2[20], step2[21]); + step1[22] = vqsubq_s16(step2[23], step2[22]); + step1[23] = vqaddq_s16(step2[23], step2[22]); + step1[24] = vqaddq_s16(step2[24], step2[25]); + step1[25] = vqsubq_s16(step2[24], step2[25]); + step1[26] = vqsubq_s16(step2[27], step2[26]); + step1[27] = vqaddq_s16(step2[27], step2[26]); + step1[28] = vqaddq_s16(step2[28], step2[29]); + step1[29] = vqsubq_s16(step2[28], step2[29]); + step1[30] = vqsubq_s16(step2[31], step2[30]); + step1[31] = vqaddq_s16(step2[31], step2[30]); + + // stage 4 + + btf_16_lane_0_1_neon(step1[4], step1[7], c6, &step2[7], &step2[4]); + btf_16_lane_2_3_neon(step1[5], step1[6], c6, &step2[6], &step2[5]); + btf_16_lane_0_1_neon(step1[30], step1[17], c6, &step2[30], &step2[17]); + btf_16_lane_1_0_neon(vnegq_s16(step1[18]), vnegq_s16(step1[29]), c6, + &step2[18], &step2[29]); + btf_16_lane_2_3_neon(step1[26], step1[21], c6, &step2[26], &step2[21]); + btf_16_lane_3_2_neon(vnegq_s16(step1[22]), vnegq_s16(step1[25]), c6, + &step2[22], &step2[25]); + + step2[0] = step1[0]; + step2[1] = step1[1]; + step2[2] = step1[2]; + step2[3] = step1[3]; + step2[8] = vqaddq_s16(step1[8], step1[9]); + step2[9] = vqsubq_s16(step1[8], step1[9]); + step2[10] = vqsubq_s16(step1[11], step1[10]); + step2[11] = vqaddq_s16(step1[11], step1[10]); + step2[12] = vqaddq_s16(step1[12], step1[13]); + step2[13] = vqsubq_s16(step1[12], step1[13]); + step2[14] = vqsubq_s16(step1[15], step1[14]); + step2[15] = vqaddq_s16(step1[15], step1[14]); + step2[16] = step1[16]; + step2[19] = step1[19]; + step2[20] = step1[20]; + step2[23] = step1[23]; + step2[24] = step1[24]; + step2[27] = step1[27]; + step2[28] = step1[28]; + step2[31] = step1[31]; + + // stage 5 + + btf_16_lane_0_1_neon(step2[0], step2[1], c7, &step1[0], &step1[1]); + btf_16_lane_2_3_neon(step2[2], step2[3], c7, &step1[3], &step1[2]); + btf_16_lane_2_3_neon(step2[14], step2[9], c7, &step1[14], &step1[9]); + btf_16_lane_3_2_neon(vnegq_s16(step2[10]), vnegq_s16(step2[13]), c7, + &step1[10], &step1[13]); + + step1[4] = vqaddq_s16(step2[4], step2[5]); + step1[5] = vqsubq_s16(step2[4], step2[5]); + step1[6] = vqsubq_s16(step2[7], step2[6]); + step1[7] = vqaddq_s16(step2[7], step2[6]); + step1[8] = step2[8]; + step1[11] = step2[11]; + step1[12] = step2[12]; + step1[15] = step2[15]; + step1[16] = vqaddq_s16(step2[16], step2[19]); + step1[17] = vqaddq_s16(step2[17], step2[18]); + step1[18] = vqsubq_s16(step2[17], step2[18]); + step1[19] = vqsubq_s16(step2[16], step2[19]); + step1[20] = vqsubq_s16(step2[23], step2[20]); + step1[21] = vqsubq_s16(step2[22], step2[21]); + step1[22] = vqaddq_s16(step2[22], step2[21]); + step1[23] = vqaddq_s16(step2[23], step2[20]); + step1[24] = vqaddq_s16(step2[24], step2[27]); + step1[25] = vqaddq_s16(step2[25], step2[26]); + step1[26] = vqsubq_s16(step2[25], step2[26]); + step1[27] = vqsubq_s16(step2[24], step2[27]); + step1[28] = vqsubq_s16(step2[31], step2[28]); + step1[29] = vqsubq_s16(step2[30], step2[29]); + step1[30] = vqaddq_s16(step2[30], step2[29]); + step1[31] = vqaddq_s16(step2[31], step2[28]); + + // stage 6 + + btf_16_lane_0_1_neon(step1[6], step1[5], c7, &step2[6], &step2[5]); + btf_16_lane_2_3_neon(step1[29], step1[18], c7, &step2[29], &step2[18]); + btf_16_lane_2_3_neon(step1[28], step1[19], c7, &step2[28], &step2[19]); + btf_16_lane_3_2_neon(vnegq_s16(step1[20]), vnegq_s16(step1[27]), c7, + &step2[20], &step2[27]); + btf_16_lane_3_2_neon(vnegq_s16(step1[21]), vnegq_s16(step1[26]), c7, + &step2[21], &step2[26]); + + step2[0] = vqaddq_s16(step1[0], step1[3]); + step2[1] = vqaddq_s16(step1[1], step1[2]); + step2[2] = vqsubq_s16(step1[1], step1[2]); + step2[3] = vqsubq_s16(step1[0], step1[3]); + step2[4] = step1[4]; + step2[7] = step1[7]; + step2[8] = vqaddq_s16(step1[8], step1[11]); + step2[9] = vqaddq_s16(step1[9], step1[10]); + step2[10] = vqsubq_s16(step1[9], step1[10]); + step2[11] = vqsubq_s16(step1[8], step1[11]); + step2[12] = vqsubq_s16(step1[15], step1[12]); + step2[13] = vqsubq_s16(step1[14], step1[13]); + step2[14] = vqaddq_s16(step1[14], step1[13]); + step2[15] = vqaddq_s16(step1[15], step1[12]); + step2[16] = step1[16]; + step2[17] = step1[17]; + step2[22] = step1[22]; + step2[23] = step1[23]; + step2[24] = step1[24]; + step2[25] = step1[25]; + step2[30] = step1[30]; + step2[31] = step1[31]; + + // stage 7 + + btf_16_lane_0_1_neon(step2[13], step2[10], c7, &step1[13], &step1[10]); + btf_16_lane_0_1_neon(step2[12], step2[11], c7, &step1[12], &step1[11]); + + step1[0] = vqaddq_s16(step2[0], step2[7]); + step1[1] = vqaddq_s16(step2[1], step2[6]); + step1[2] = vqaddq_s16(step2[2], step2[5]); + step1[3] = vqaddq_s16(step2[3], step2[4]); + step1[4] = vqsubq_s16(step2[3], step2[4]); + step1[5] = vqsubq_s16(step2[2], step2[5]); + step1[6] = vqsubq_s16(step2[1], step2[6]); + step1[7] = vqsubq_s16(step2[0], step2[7]); + step1[8] = step2[8]; + step1[9] = step2[9]; + step1[14] = step2[14]; + step1[15] = step2[15]; + step1[16] = vqaddq_s16(step2[16], step2[23]); + step1[17] = vqaddq_s16(step2[17], step2[22]); + step1[18] = vqaddq_s16(step2[18], step2[21]); + step1[19] = vqaddq_s16(step2[19], step2[20]); + step1[20] = vqsubq_s16(step2[19], step2[20]); + step1[21] = vqsubq_s16(step2[18], step2[21]); + step1[22] = vqsubq_s16(step2[17], step2[22]); + step1[23] = vqsubq_s16(step2[16], step2[23]); + step1[24] = vqsubq_s16(step2[31], step2[24]); + step1[25] = vqsubq_s16(step2[30], step2[25]); + step1[26] = vqsubq_s16(step2[29], step2[26]); + step1[27] = vqsubq_s16(step2[28], step2[27]); + step1[28] = vqaddq_s16(step2[27], step2[28]); + step1[29] = vqaddq_s16(step2[26], step2[29]); + step1[30] = vqaddq_s16(step2[25], step2[30]); + step1[31] = vqaddq_s16(step2[24], step2[31]); + + // stage 8 + + btf_16_lane_0_1_neon(step1[27], step1[20], c7, &step2[27], &step2[20]); + btf_16_lane_0_1_neon(step1[26], step1[21], c7, &step2[26], &step2[21]); + btf_16_lane_0_1_neon(step1[25], step1[22], c7, &step2[25], &step2[22]); + btf_16_lane_0_1_neon(step1[24], step1[23], c7, &step2[24], &step2[23]); + + step2[0] = vqaddq_s16(step1[0], step1[15]); + step2[1] = vqaddq_s16(step1[1], step1[14]); + step2[2] = vqaddq_s16(step1[2], step1[13]); + step2[3] = vqaddq_s16(step1[3], step1[12]); + step2[4] = vqaddq_s16(step1[4], step1[11]); + step2[5] = vqaddq_s16(step1[5], step1[10]); + step2[6] = vqaddq_s16(step1[6], step1[9]); + step2[7] = vqaddq_s16(step1[7], step1[8]); + step2[8] = vqsubq_s16(step1[7], step1[8]); + step2[9] = vqsubq_s16(step1[6], step1[9]); + step2[10] = vqsubq_s16(step1[5], step1[10]); + step2[11] = vqsubq_s16(step1[4], step1[11]); + step2[12] = vqsubq_s16(step1[3], step1[12]); + step2[13] = vqsubq_s16(step1[2], step1[13]); + step2[14] = vqsubq_s16(step1[1], step1[14]); + step2[15] = vqsubq_s16(step1[0], step1[15]); + step2[16] = step1[16]; + step2[17] = step1[17]; + step2[18] = step1[18]; + step2[19] = step1[19]; + step2[28] = step1[28]; + step2[29] = step1[29]; + step2[30] = step1[30]; + step2[31] = step1[31]; + + // stage 9 + + out[0] = vqaddq_s16(step2[0], step2[31]); + out[1] = vqaddq_s16(step2[1], step2[30]); + out[2] = vqaddq_s16(step2[2], step2[29]); + out[3] = vqaddq_s16(step2[3], step2[28]); + out[4] = vqaddq_s16(step2[4], step2[27]); + out[5] = vqaddq_s16(step2[5], step2[26]); + out[6] = vqaddq_s16(step2[6], step2[25]); + out[7] = vqaddq_s16(step2[7], step2[24]); + out[8] = vqaddq_s16(step2[8], step2[23]); + out[9] = vqaddq_s16(step2[9], step2[22]); + out[10] = vqaddq_s16(step2[10], step2[21]); + out[11] = vqaddq_s16(step2[11], step2[20]); + out[12] = vqaddq_s16(step2[12], step2[19]); + out[13] = vqaddq_s16(step2[13], step2[18]); + out[14] = vqaddq_s16(step2[14], step2[17]); + out[15] = vqaddq_s16(step2[15], step2[16]); + out[16] = vqsubq_s16(step2[15], step2[16]); + out[17] = vqsubq_s16(step2[14], step2[17]); + out[18] = vqsubq_s16(step2[13], step2[18]); + out[19] = vqsubq_s16(step2[12], step2[19]); + out[20] = vqsubq_s16(step2[11], step2[20]); + out[21] = vqsubq_s16(step2[10], step2[21]); + out[22] = vqsubq_s16(step2[9], step2[22]); + out[23] = vqsubq_s16(step2[8], step2[23]); + out[24] = vqsubq_s16(step2[7], step2[24]); + out[25] = vqsubq_s16(step2[6], step2[25]); + out[26] = vqsubq_s16(step2[5], step2[26]); + out[27] = vqsubq_s16(step2[4], step2[27]); + out[28] = vqsubq_s16(step2[3], step2[28]); + out[29] = vqsubq_s16(step2[2], step2[29]); + out[30] = vqsubq_s16(step2[1], step2[30]); + out[31] = vqsubq_s16(step2[0], step2[31]); +} + +static INLINE void idct32_low1_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1; + int32x4_t t32[2]; + + // stage 1 + // stage 2 + // stage 3 + // stage 4 + // stage 5 + + t32[0] = vmull_n_s16(vget_low_s16(in[0]), cospi[32]); + t32[1] = vmull_n_s16(vget_high_s16(in[0]), cospi[32]); + step1 = vcombine_s16(vrshrn_n_s32(t32[0], INV_COS_BIT), + vrshrn_n_s32(t32[1], INV_COS_BIT)); + + // stage 6 + // stage 7 + // stage 8 + // stage 9 + + out[0] = step1; + out[1] = step1; + out[2] = step1; + out[3] = step1; + out[4] = step1; + out[5] = step1; + out[6] = step1; + out[7] = step1; + out[8] = step1; + out[9] = step1; + out[10] = step1; + out[11] = step1; + out[12] = step1; + out[13] = step1; + out[14] = step1; + out[15] = step1; + out[16] = step1; + out[17] = step1; + out[18] = step1; + out[19] = step1; + out[20] = step1; + out[21] = step1; + out[22] = step1; + out[23] = step1; + out[24] = step1; + out[25] = step1; + out[26] = step1; + out[27] = step1; + out[28] = step1; + out[29] = step1; + out[30] = step1; + out[31] = step1; +} + +static INLINE void idct32_low8_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1[32], step2[32]; + int32x4_t t32[16]; + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + const int16x4_t c1 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + // stage 1 + // stage 2 + + step2[0] = in[0]; + step2[4] = in[4]; + step2[8] = in[2]; + step2[12] = in[6]; + + btf_16_neon(in[1], cospi[62], cospi[2], &step2[16], &step2[31]); + btf_16_neon(in[7], -cospi[50], cospi[14], &step2[19], &step2[28]); + btf_16_neon(in[5], cospi[54], cospi[10], &step2[20], &step2[27]); + btf_16_neon(in[3], -cospi[58], cospi[6], &step2[23], &step2[24]); + + // stage 3 + step1[0] = step2[0]; + step1[4] = step2[4]; + + btf_16_neon(step2[8], cospi[60], cospi[4], &step1[8], &step1[15]); + btf_16_neon(step2[12], -cospi[52], cospi[12], &step1[11], &step1[12]); + + step1[16] = step2[16]; + step1[17] = step2[16]; + step1[18] = step2[19]; + step1[19] = step2[19]; + step1[20] = step2[20]; + step1[21] = step2[20]; + step1[22] = step2[23]; + step1[23] = step2[23]; + step1[24] = step2[24]; + step1[25] = step2[24]; + step1[26] = step2[27]; + step1[27] = step2[27]; + step1[28] = step2[28]; + step1[29] = step2[28]; + step1[30] = step2[31]; + step1[31] = step2[31]; + + // stage 4 + + btf_16_neon(step1[4], cospi[56], cospi[8], &step2[4], &step2[7]); + btf_16_lane_0_1_neon(step1[30], step1[17], c0, &step2[30], &step2[17]); + btf_16_lane_1_0_neon(vnegq_s16(step1[18]), vnegq_s16(step1[29]), c0, + &step2[18], &step2[29]); + btf_16_lane_2_3_neon(step1[26], step1[21], c0, &step2[26], &step2[21]); + btf_16_lane_3_2_neon(vnegq_s16(step1[22]), vnegq_s16(step1[25]), c0, + &step2[22], &step2[25]); + + step2[0] = step1[0]; + step2[8] = step1[8]; + step2[9] = step1[8]; + step2[10] = step1[11]; + step2[11] = step1[11]; + step2[12] = step1[12]; + step2[13] = step1[12]; + step2[14] = step1[15]; + step2[15] = step1[15]; + step2[16] = step1[16]; + step2[19] = step1[19]; + step2[20] = step1[20]; + step2[23] = step1[23]; + step2[24] = step1[24]; + step2[27] = step1[27]; + step2[28] = step1[28]; + step2[31] = step1[31]; + + // stage 5 + + t32[0] = vmull_n_s16(vget_low_s16(step2[0]), cospi[32]); + t32[1] = vmull_n_s16(vget_high_s16(step2[0]), cospi[32]); + step1[0] = vcombine_s16(vrshrn_n_s32(t32[0], INV_COS_BIT), + vrshrn_n_s32(t32[1], INV_COS_BIT)); + + btf_16_lane_2_3_neon(step2[14], step2[9], c1, &step1[14], &step1[9]); + btf_16_lane_3_2_neon(vnegq_s16(step2[10]), vnegq_s16(step2[13]), c1, + &step1[10], &step1[13]); + + step1[4] = step2[4]; + step1[5] = step2[4]; + step1[6] = step2[7]; + step1[7] = step2[7]; + step1[8] = step2[8]; + step1[11] = step2[11]; + step1[12] = step2[12]; + step1[15] = step2[15]; + step1[16] = vqaddq_s16(step2[16], step2[19]); + step1[17] = vqaddq_s16(step2[17], step2[18]); + step1[18] = vqsubq_s16(step2[17], step2[18]); + step1[19] = vqsubq_s16(step2[16], step2[19]); + step1[20] = vqsubq_s16(step2[23], step2[20]); + step1[21] = vqsubq_s16(step2[22], step2[21]); + step1[22] = vqaddq_s16(step2[22], step2[21]); + step1[23] = vqaddq_s16(step2[23], step2[20]); + step1[24] = vqaddq_s16(step2[24], step2[27]); + step1[25] = vqaddq_s16(step2[25], step2[26]); + step1[26] = vqsubq_s16(step2[25], step2[26]); + step1[27] = vqsubq_s16(step2[24], step2[27]); + step1[28] = vqsubq_s16(step2[31], step2[28]); + step1[29] = vqsubq_s16(step2[30], step2[29]); + step1[30] = vqaddq_s16(step2[30], step2[29]); + step1[31] = vqaddq_s16(step2[31], step2[28]); + + // stage 6 + + btf_16_lane_0_1_neon(step1[6], step1[5], c1, &step2[6], &step2[5]); + btf_16_lane_2_3_neon(step1[29], step1[18], c1, &step2[29], &step2[18]); + btf_16_lane_2_3_neon(step1[28], step1[19], c1, &step2[28], &step2[19]); + btf_16_lane_3_2_neon(vnegq_s16(step1[20]), vnegq_s16(step1[27]), c1, + &step2[20], &step2[27]); + btf_16_lane_3_2_neon(vnegq_s16(step1[21]), vnegq_s16(step1[26]), c1, + &step2[21], &step2[26]); + + step2[0] = step1[0]; + step2[1] = step1[0]; + step2[2] = step1[0]; + step2[3] = step1[0]; + step2[4] = step1[4]; + step2[7] = step1[7]; + step2[8] = vqaddq_s16(step1[8], step1[11]); + step2[9] = vqaddq_s16(step1[9], step1[10]); + step2[10] = vqsubq_s16(step1[9], step1[10]); + step2[11] = vqsubq_s16(step1[8], step1[11]); + step2[12] = vqsubq_s16(step1[15], step1[12]); + step2[13] = vqsubq_s16(step1[14], step1[13]); + step2[14] = vqaddq_s16(step1[14], step1[13]); + step2[15] = vqaddq_s16(step1[15], step1[12]); + step2[16] = step1[16]; + step2[17] = step1[17]; + step2[22] = step1[22]; + step2[23] = step1[23]; + step2[24] = step1[24]; + step2[25] = step1[25]; + step2[30] = step1[30]; + step2[31] = step1[31]; + + // stage 7 + + btf_16_lane_0_1_neon(step2[13], step2[10], c1, &step1[13], &step1[10]); + btf_16_lane_0_1_neon(step2[12], step2[11], c1, &step1[12], &step1[11]); + + step1[0] = vqaddq_s16(step2[0], step2[7]); + step1[1] = vqaddq_s16(step2[1], step2[6]); + step1[2] = vqaddq_s16(step2[2], step2[5]); + step1[3] = vqaddq_s16(step2[3], step2[4]); + step1[4] = vqsubq_s16(step2[3], step2[4]); + step1[5] = vqsubq_s16(step2[2], step2[5]); + step1[6] = vqsubq_s16(step2[1], step2[6]); + step1[7] = vqsubq_s16(step2[0], step2[7]); + step1[8] = step2[8]; + step1[9] = step2[9]; + step1[14] = step2[14]; + step1[15] = step2[15]; + step1[16] = vqaddq_s16(step2[16], step2[23]); + step1[17] = vqaddq_s16(step2[17], step2[22]); + step1[18] = vqaddq_s16(step2[18], step2[21]); + step1[19] = vqaddq_s16(step2[19], step2[20]); + step1[20] = vqsubq_s16(step2[19], step2[20]); + step1[21] = vqsubq_s16(step2[18], step2[21]); + step1[22] = vqsubq_s16(step2[17], step2[22]); + step1[23] = vqsubq_s16(step2[16], step2[23]); + step1[24] = vqsubq_s16(step2[31], step2[24]); + step1[25] = vqsubq_s16(step2[30], step2[25]); + step1[26] = vqsubq_s16(step2[29], step2[26]); + step1[27] = vqsubq_s16(step2[28], step2[27]); + step1[28] = vqaddq_s16(step2[27], step2[28]); + step1[29] = vqaddq_s16(step2[26], step2[29]); + step1[30] = vqaddq_s16(step2[25], step2[30]); + step1[31] = vqaddq_s16(step2[24], step2[31]); + + // stage 8 + + btf_16_lane_0_1_neon(step1[27], step1[20], c1, &step2[27], &step2[20]); + btf_16_lane_0_1_neon(step1[26], step1[21], c1, &step2[26], &step2[21]); + btf_16_lane_0_1_neon(step1[25], step1[22], c1, &step2[25], &step2[22]); + btf_16_lane_0_1_neon(step1[24], step1[23], c1, &step2[24], &step2[23]); + + step2[0] = vqaddq_s16(step1[0], step1[15]); + step2[1] = vqaddq_s16(step1[1], step1[14]); + step2[2] = vqaddq_s16(step1[2], step1[13]); + step2[3] = vqaddq_s16(step1[3], step1[12]); + step2[4] = vqaddq_s16(step1[4], step1[11]); + step2[5] = vqaddq_s16(step1[5], step1[10]); + step2[6] = vqaddq_s16(step1[6], step1[9]); + step2[7] = vqaddq_s16(step1[7], step1[8]); + step2[8] = vqsubq_s16(step1[7], step1[8]); + step2[9] = vqsubq_s16(step1[6], step1[9]); + step2[10] = vqsubq_s16(step1[5], step1[10]); + step2[11] = vqsubq_s16(step1[4], step1[11]); + step2[12] = vqsubq_s16(step1[3], step1[12]); + step2[13] = vqsubq_s16(step1[2], step1[13]); + step2[14] = vqsubq_s16(step1[1], step1[14]); + step2[15] = vqsubq_s16(step1[0], step1[15]); + step2[16] = step1[16]; + step2[17] = step1[17]; + step2[18] = step1[18]; + step2[19] = step1[19]; + step2[28] = step1[28]; + step2[29] = step1[29]; + step2[30] = step1[30]; + step2[31] = step1[31]; + + // stage 9 + + out[0] = vqaddq_s16(step2[0], step2[31]); + out[1] = vqaddq_s16(step2[1], step2[30]); + out[2] = vqaddq_s16(step2[2], step2[29]); + out[3] = vqaddq_s16(step2[3], step2[28]); + out[4] = vqaddq_s16(step2[4], step2[27]); + out[5] = vqaddq_s16(step2[5], step2[26]); + out[6] = vqaddq_s16(step2[6], step2[25]); + out[7] = vqaddq_s16(step2[7], step2[24]); + out[8] = vqaddq_s16(step2[8], step2[23]); + out[9] = vqaddq_s16(step2[9], step2[22]); + out[10] = vqaddq_s16(step2[10], step2[21]); + out[11] = vqaddq_s16(step2[11], step2[20]); + out[12] = vqaddq_s16(step2[12], step2[19]); + out[13] = vqaddq_s16(step2[13], step2[18]); + out[14] = vqaddq_s16(step2[14], step2[17]); + out[15] = vqaddq_s16(step2[15], step2[16]); + out[16] = vqsubq_s16(step2[15], step2[16]); + out[17] = vqsubq_s16(step2[14], step2[17]); + out[18] = vqsubq_s16(step2[13], step2[18]); + out[19] = vqsubq_s16(step2[12], step2[19]); + out[20] = vqsubq_s16(step2[11], step2[20]); + out[21] = vqsubq_s16(step2[10], step2[21]); + out[22] = vqsubq_s16(step2[9], step2[22]); + out[23] = vqsubq_s16(step2[8], step2[23]); + out[24] = vqsubq_s16(step2[7], step2[24]); + out[25] = vqsubq_s16(step2[6], step2[25]); + out[26] = vqsubq_s16(step2[5], step2[26]); + out[27] = vqsubq_s16(step2[4], step2[27]); + out[28] = vqsubq_s16(step2[3], step2[28]); + out[29] = vqsubq_s16(step2[2], step2[29]); + out[30] = vqsubq_s16(step2[1], step2[30]); + out[31] = vqsubq_s16(step2[0], step2[31]); +} + +static INLINE void idct32_low16_new_neon(int16x8_t *in, int16x8_t *out, + int8_t cos_bit, int bit) { + (void)bit; + const int32_t *cospi = cospi_arr(cos_bit); + int16x8_t step1[32], step2[32]; + int32x4_t t32[16]; + const int16x4_t c0 = + create_s16x4_neon((int16_t *)(cospi + 8), (int16_t *)(cospi + 56), + (int16_t *)(cospi + 40), (int16_t *)(cospi + 24)); + const int16x4_t c1 = + create_s16x4_neon((int16_t *)(cospi + 32), (int16_t *)(cospi + 32), + (int16_t *)(cospi + 16), (int16_t *)(cospi + 48)); + + // stage 1 + // stage 2 + + btf_16_neon(in[1], cospi[62], cospi[2], &step2[16], &step2[31]); + btf_16_neon(in[15], -cospi[34], cospi[30], &step2[17], &step2[30]); + btf_16_neon(in[9], cospi[46], cospi[18], &step2[18], &step2[29]); + btf_16_neon(in[7], -cospi[50], cospi[14], &step2[19], &step2[28]); + btf_16_neon(in[5], cospi[54], cospi[10], &step2[20], &step2[27]); + btf_16_neon(in[11], -cospi[42], cospi[22], &step2[21], &step2[26]); + btf_16_neon(in[13], cospi[38], cospi[26], &step2[22], &step2[25]); + btf_16_neon(in[3], -cospi[58], cospi[6], &step2[23], &step2[24]); + + step2[0] = in[0]; + step2[2] = in[8]; + step2[4] = in[4]; + step2[6] = in[12]; + step2[8] = in[2]; + step2[10] = in[10]; + step2[12] = in[6]; + step2[14] = in[14]; + + // stage 3 + + btf_16_neon(step2[8], cospi[60], cospi[4], &step1[8], &step1[15]); + btf_16_neon(step2[14], -cospi[36], cospi[28], &step1[9], &step1[14]); + btf_16_neon(step2[10], cospi[44], cospi[20], &step1[10], &step1[13]); + btf_16_neon(step2[12], -cospi[52], cospi[12], &step1[11], &step1[12]); + + step1[0] = step2[0]; + step1[2] = step2[2]; + step1[4] = step2[4]; + step1[6] = step2[6]; + step1[16] = vqaddq_s16(step2[16], step2[17]); + step1[17] = vqsubq_s16(step2[16], step2[17]); + step1[18] = vqsubq_s16(step2[19], step2[18]); + step1[19] = vqaddq_s16(step2[19], step2[18]); + step1[20] = vqaddq_s16(step2[20], step2[21]); + step1[21] = vqsubq_s16(step2[20], step2[21]); + step1[22] = vqsubq_s16(step2[23], step2[22]); + step1[23] = vqaddq_s16(step2[23], step2[22]); + step1[24] = vqaddq_s16(step2[24], step2[25]); + step1[25] = vqsubq_s16(step2[24], step2[25]); + step1[26] = vqsubq_s16(step2[27], step2[26]); + step1[27] = vqaddq_s16(step2[27], step2[26]); + step1[28] = vqaddq_s16(step2[28], step2[29]); + step1[29] = vqsubq_s16(step2[28], step2[29]); + step1[30] = vqsubq_s16(step2[31], step2[30]); + step1[31] = vqaddq_s16(step2[31], step2[30]); + + // stage 4 + + btf_16_neon(step1[4], cospi[56], cospi[8], &step2[4], &step2[7]); + btf_16_neon(step1[6], -cospi[40], cospi[24], &step2[5], &step2[6]); + btf_16_lane_0_1_neon(step1[30], step1[17], c0, &step2[30], &step2[17]); + btf_16_lane_1_0_neon(vnegq_s16(step1[18]), vnegq_s16(step1[29]), c0, + &step2[18], &step2[29]); + btf_16_lane_2_3_neon(step1[26], step1[21], c0, &step2[26], &step2[21]); + btf_16_lane_3_2_neon(vnegq_s16(step1[22]), vnegq_s16(step1[25]), c0, + &step2[22], &step2[25]); + + step2[0] = step1[0]; + step2[2] = step1[2]; + step2[8] = vqaddq_s16(step1[8], step1[9]); + step2[9] = vqsubq_s16(step1[8], step1[9]); + step2[10] = vqsubq_s16(step1[11], step1[10]); + step2[11] = vqaddq_s16(step1[11], step1[10]); + step2[12] = vqaddq_s16(step1[12], step1[13]); + step2[13] = vqsubq_s16(step1[12], step1[13]); + step2[14] = vqsubq_s16(step1[15], step1[14]); + step2[15] = vqaddq_s16(step1[15], step1[14]); + step2[16] = step1[16]; + step2[19] = step1[19]; + step2[20] = step1[20]; + step2[23] = step1[23]; + step2[24] = step1[24]; + step2[27] = step1[27]; + step2[28] = step1[28]; + step2[31] = step1[31]; + + // stage 5 + + t32[0] = vmull_n_s16(vget_low_s16(step2[0]), cospi[32]); + t32[1] = vmull_n_s16(vget_high_s16(step2[0]), cospi[32]); + + step1[0] = vcombine_s16(vrshrn_n_s32(t32[0], INV_COS_BIT), + vrshrn_n_s32(t32[1], INV_COS_BIT)); + + btf_16_neon(step2[2], cospi[48], cospi[16], &step1[2], &step1[3]); + btf_16_lane_2_3_neon(step2[14], step2[9], c1, &step1[14], &step1[9]); + btf_16_lane_3_2_neon(vnegq_s16(step2[10]), vnegq_s16(step2[13]), c1, + &step1[10], &step1[13]); + + step1[4] = vqaddq_s16(step2[4], step2[5]); + step1[5] = vqsubq_s16(step2[4], step2[5]); + step1[6] = vqsubq_s16(step2[7], step2[6]); + step1[7] = vqaddq_s16(step2[7], step2[6]); + step1[8] = step2[8]; + step1[11] = step2[11]; + step1[12] = step2[12]; + step1[15] = step2[15]; + step1[16] = vqaddq_s16(step2[16], step2[19]); + step1[17] = vqaddq_s16(step2[17], step2[18]); + step1[18] = vqsubq_s16(step2[17], step2[18]); + step1[19] = vqsubq_s16(step2[16], step2[19]); + step1[20] = vqsubq_s16(step2[23], step2[20]); + step1[21] = vqsubq_s16(step2[22], step2[21]); + step1[22] = vqaddq_s16(step2[22], step2[21]); + step1[23] = vqaddq_s16(step2[23], step2[20]); + step1[24] = vqaddq_s16(step2[24], step2[27]); + step1[25] = vqaddq_s16(step2[25], step2[26]); + step1[26] = vqsubq_s16(step2[25], step2[26]); + step1[27] = vqsubq_s16(step2[24], step2[27]); + step1[28] = vqsubq_s16(step2[31], step2[28]); + step1[29] = vqsubq_s16(step2[30], step2[29]); + step1[30] = vqaddq_s16(step2[30], step2[29]); + step1[31] = vqaddq_s16(step2[31], step2[28]); + + // stage 6 + + btf_16_lane_0_1_neon(step1[6], step1[5], c1, &step2[6], &step2[5]); + btf_16_lane_2_3_neon(step1[29], step1[18], c1, &step2[29], &step2[18]); + btf_16_lane_2_3_neon(step1[28], step1[19], c1, &step2[28], &step2[19]); + btf_16_lane_3_2_neon(vnegq_s16(step1[20]), vnegq_s16(step1[27]), c1, + &step2[20], &step2[27]); + btf_16_lane_3_2_neon(vnegq_s16(step1[21]), vnegq_s16(step1[26]), c1, + &step2[21], &step2[26]); + + step2[0] = vqaddq_s16(step1[0], step1[3]); + step2[1] = vqaddq_s16(step1[0], step1[2]); + step2[2] = vqsubq_s16(step1[0], step1[2]); + step2[3] = vqsubq_s16(step1[0], step1[3]); + step2[4] = step1[4]; + step2[7] = step1[7]; + step2[8] = vqaddq_s16(step1[8], step1[11]); + step2[9] = vqaddq_s16(step1[9], step1[10]); + step2[10] = vqsubq_s16(step1[9], step1[10]); + step2[11] = vqsubq_s16(step1[8], step1[11]); + step2[12] = vqsubq_s16(step1[15], step1[12]); + step2[13] = vqsubq_s16(step1[14], step1[13]); + step2[14] = vqaddq_s16(step1[14], step1[13]); + step2[15] = vqaddq_s16(step1[15], step1[12]); + step2[16] = step1[16]; + step2[17] = step1[17]; + step2[22] = step1[22]; + step2[23] = step1[23]; + step2[24] = step1[24]; + step2[25] = step1[25]; + step2[30] = step1[30]; + step2[31] = step1[31]; + + // stage 7 + + btf_16_lane_0_1_neon(step2[13], step2[10], c1, &step1[13], &step1[10]); + btf_16_lane_0_1_neon(step2[12], step2[11], c1, &step1[12], &step1[11]); + + step1[0] = vqaddq_s16(step2[0], step2[7]); + step1[1] = vqaddq_s16(step2[1], step2[6]); + step1[2] = vqaddq_s16(step2[2], step2[5]); + step1[3] = vqaddq_s16(step2[3], step2[4]); + step1[4] = vqsubq_s16(step2[3], step2[4]); + step1[5] = vqsubq_s16(step2[2], step2[5]); + step1[6] = vqsubq_s16(step2[1], step2[6]); + step1[7] = vqsubq_s16(step2[0], step2[7]); + step1[8] = step2[8]; + step1[9] = step2[9]; + step1[14] = step2[14]; + step1[15] = step2[15]; + step1[16] = vqaddq_s16(step2[16], step2[23]); + step1[17] = vqaddq_s16(step2[17], step2[22]); + step1[18] = vqaddq_s16(step2[18], step2[21]); + step1[19] = vqaddq_s16(step2[19], step2[20]); + step1[20] = vqsubq_s16(step2[19], step2[20]); + step1[21] = vqsubq_s16(step2[18], step2[21]); + step1[22] = vqsubq_s16(step2[17], step2[22]); + step1[23] = vqsubq_s16(step2[16], step2[23]); + step1[24] = vqsubq_s16(step2[31], step2[24]); + step1[25] = vqsubq_s16(step2[30], step2[25]); + step1[26] = vqsubq_s16(step2[29], step2[26]); + step1[27] = vqsubq_s16(step2[28], step2[27]); + step1[28] = vqaddq_s16(step2[27], step2[28]); + step1[29] = vqaddq_s16(step2[26], step2[29]); + step1[30] = vqaddq_s16(step2[25], step2[30]); + step1[31] = vqaddq_s16(step2[24], step2[31]); + + // stage 8 + + btf_16_lane_0_1_neon(step1[27], step1[20], c1, &step2[27], &step2[20]); + btf_16_lane_0_1_neon(step1[26], step1[21], c1, &step2[26], &step2[21]); + btf_16_lane_0_1_neon(step1[25], step1[22], c1, &step2[25], &step2[22]); + btf_16_lane_0_1_neon(step1[24], step1[23], c1, &step2[24], &step2[23]); + + step2[0] = vqaddq_s16(step1[0], step1[15]); + step2[1] = vqaddq_s16(step1[1], step1[14]); + step2[2] = vqaddq_s16(step1[2], step1[13]); + step2[3] = vqaddq_s16(step1[3], step1[12]); + step2[4] = vqaddq_s16(step1[4], step1[11]); + step2[5] = vqaddq_s16(step1[5], step1[10]); + step2[6] = vqaddq_s16(step1[6], step1[9]); + step2[7] = vqaddq_s16(step1[7], step1[8]); + step2[8] = vqsubq_s16(step1[7], step1[8]); + step2[9] = vqsubq_s16(step1[6], step1[9]); + step2[10] = vqsubq_s16(step1[5], step1[10]); + step2[11] = vqsubq_s16(step1[4], step1[11]); + step2[12] = vqsubq_s16(step1[3], step1[12]); + step2[13] = vqsubq_s16(step1[2], step1[13]); + step2[14] = vqsubq_s16(step1[1], step1[14]); + step2[15] = vqsubq_s16(step1[0], step1[15]); + step2[16] = step1[16]; + step2[17] = step1[17]; + step2[18] = step1[18]; + step2[19] = step1[19]; + step2[28] = step1[28]; + step2[29] = step1[29]; + step2[30] = step1[30]; + step2[31] = step1[31]; + + // stage 9 + + out[0] = vqaddq_s16(step2[0], step2[31]); + out[1] = vqaddq_s16(step2[1], step2[30]); + out[2] = vqaddq_s16(step2[2], step2[29]); + out[3] = vqaddq_s16(step2[3], step2[28]); + out[4] = vqaddq_s16(step2[4], step2[27]); + out[5] = vqaddq_s16(step2[5], step2[26]); + out[6] = vqaddq_s16(step2[6], step2[25]); + out[7] = vqaddq_s16(step2[7], step2[24]); + out[8] = vqaddq_s16(step2[8], step2[23]); + out[9] = vqaddq_s16(step2[9], step2[22]); + out[10] = vqaddq_s16(step2[10], step2[21]); + out[11] = vqaddq_s16(step2[11], step2[20]); + out[12] = vqaddq_s16(step2[12], step2[19]); + out[13] = vqaddq_s16(step2[13], step2[18]); + out[14] = vqaddq_s16(step2[14], step2[17]); + out[15] = vqaddq_s16(step2[15], step2[16]); + out[16] = vqsubq_s16(step2[15], step2[16]); + out[17] = vqsubq_s16(step2[14], step2[17]); + out[18] = vqsubq_s16(step2[13], step2[18]); + out[19] = vqsubq_s16(step2[12], step2[19]); + out[20] = vqsubq_s16(step2[11], step2[20]); + out[21] = vqsubq_s16(step2[10], step2[21]); + out[22] = vqsubq_s16(step2[9], step2[22]); + out[23] = vqsubq_s16(step2[8], step2[23]); + out[24] = vqsubq_s16(step2[7], step2[24]); + out[25] = vqsubq_s16(step2[6], step2[25]); + out[26] = vqsubq_s16(step2[5], step2[26]); + out[27] = vqsubq_s16(step2[4], step2[27]); + out[28] = vqsubq_s16(step2[3], step2[28]); + out[29] = vqsubq_s16(step2[2], step2[29]); + out[30] = vqsubq_s16(step2[1], step2[30]); + out[31] = vqsubq_s16(step2[0], step2[31]); +} + +// Functions for blocks with eob at DC and within +// topleft 8x8, 16x16, 32x32 corner +static const transform_1d_neon + lowbd_txfm_all_1d_zeros_w8_arr[TX_SIZES][ITX_TYPES_1D][4] = { + { + { av1_idct4_new, av1_idct4_new, NULL, NULL }, + { av1_iadst4_new, av1_iadst4_new, NULL, NULL }, + { av1_iidentity4_c, av1_iidentity4_c, NULL, NULL }, + }, + { { av1_idct8_new, av1_idct8_new, NULL, NULL }, + { av1_iadst8_new, av1_iadst8_new, NULL, NULL }, + { av1_iidentity8_c, av1_iidentity8_c, NULL, NULL } }, + { + { av1_idct16_new, av1_idct16_new, av1_idct16_new, NULL }, + { av1_iadst16_new, av1_iadst16_new, av1_iadst16_new, NULL }, + { av1_iidentity16_c, av1_iidentity16_c, av1_iidentity16_c, NULL }, + }, + { { av1_idct32_new, av1_idct32_new, av1_idct32_new, av1_idct32_new }, + { NULL, NULL, NULL, NULL }, + { av1_iidentity32_c, av1_iidentity32_c, av1_iidentity32_c, + av1_iidentity32_c } }, + { { av1_idct64_new, av1_idct64_new, av1_idct64_new, av1_idct64_new }, + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL } } + }; + +static const transform_neon + lowbd_txfm_all_1d_zeros_w_arr[TX_SIZES][ITX_TYPES_1D][4] = { + { + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL }, + }, + { { idct8_low1_new_neon, idct8_new_neon, NULL, NULL }, + { iadst8_low1_new_neon, iadst8_new_neon, NULL, NULL }, + { identity8_new_neon, identity8_new_neon, NULL, NULL } }, + { + { idct16_low1_new_neon, idct16_low8_new_neon, idct16_new_neon, NULL }, + { iadst16_low1_new_neon, iadst16_low8_new_neon, iadst16_new_neon, + NULL }, + { identity16_new_neon, identity16_new_neon, identity16_new_neon, + NULL }, + }, + { { idct32_low1_new_neon, idct32_low8_new_neon, idct32_low16_new_neon, + idct32_new_neon }, + { NULL, NULL, NULL, NULL }, + { identity32_new_neon, identity32_new_neon, identity32_new_neon, + identity32_new_neon } }, + { { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL } } + }; + +static INLINE void lowbd_inv_txfm2d_add_wxh_idtx_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[32 * 32 + 32 + 32]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby; + get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + // row tx + int row_start = (buf_size_nonzero_h_div8 * 8); + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + // col tx + for (int c = 0; c < txfm_size_col; c++) { + for (r = 0; r < txfm_size_row; ++r) temp_in[r] = buf[r * txfm_size_col + c]; + + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_idtx_neon(const int32_t *input, + uint8_t *output, int stride, + TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + int16x8_t a[32 * 4]; + int16x8_t b[32 * 4]; + int eobx, eoby; + get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + lowbd_inv_txfm2d_memset_neon(&a[0], (txfm_size_col * (txfm_size_row) >> 3), + 0); + lowbd_inv_txfm2d_memset_neon(&b[0], (txfm_size_col * (txfm_size_row) >> 3), + 0); + const int buf_size_w_div8 = txfm_size_col >> 3; + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3; + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const int32_t *input_1; + int temp_b = 0; + const transform_neon row_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_neon col_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + for (int i = 0; i < buf_size_nonzero_h_div8; i++) { + input_1 = input; + for (int j = 0; j < buf_size_nonzero_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + load_buffer_32bit_to_16bit_neon(input_1, &a[k], txfm_size_col); + transpose_s16_8x8q(&a[k], &a[k]); + input_1 += 8; + } + input += (txfm_size_col * 8); + if (abs(rect_type) == 1) { + int y = i * txfm_size_col; + round_shift_for_rect(&a[y], &a[y], txfm_size_col); + } + row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], cos_bit_row, 0); + av1_round_shift_array_16_neon(&a[i * txfm_size_col], txfm_size_col, + -shift[0]); + for (int j = 0; j < buf_size_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + transpose_s16_8x8q(&a[k], &b[temp_b + txfm_size_row * j]); + } + temp_b += 8; + } + for (int j = 0; j < buf_size_w_div8; ++j) { + col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], cos_bit_col, 0); + av1_round_shift_array_16_neon(&b[j * txfm_size_row], txfm_size_row, + -shift[1]); + } + if (txfm_size_col >= 16) { + for (int i = 0; i < (txfm_size_col >> 4); i++) { + lowbd_add_flip_buffer_16xn_neon( + &b[i * txfm_size_row * 2], output + 16 * i, stride, 0, txfm_size_row); + } + } else if (txfm_size_col == 8) { + lowbd_add_flip_buffer_8xn_neon(b, output, stride, 0, txfm_size_row); + } +} + +static INLINE void lowbd_inv_txfm2d_add_v_wxh_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[32 * 32 + 32 + 32]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby; + get_eobx_eoby_scan_v_identity(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + // row tx + int row_start = (buf_size_nonzero_h_div8 * 8); + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + // col tx + for (int c = 0; c < txfm_size_col; c++) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_v_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + int16x8_t a[16 * 2]; + int16x8_t b[16 * 2]; + int eobx, eoby, ud_flip, lr_flip; + get_eobx_eoby_scan_v_identity(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + lowbd_inv_txfm2d_memset_neon(&b[0], (txfm_size_col * (txfm_size_row) >> 3), + 0); + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_size_w_div8 = txfm_size_col >> 3; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3; + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const int32_t *input_1; + int temp_b = 0; + const transform_neon row_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_neon col_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < buf_size_nonzero_h_div8; i++) { + input_1 = input; + for (int j = 0; j < buf_size_nonzero_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + load_buffer_32bit_to_16bit_neon(input_1, &a[k], txfm_size_col); + transpose_s16_8x8q(&a[k], &a[k]); + input_1 += 8; + } + input += (txfm_size_col * 8); + if (abs(rect_type) == 1) { + int y = i * txfm_size_col; + round_shift_for_rect(&a[y], &a[y], txfm_size_col); + } + row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], cos_bit_row, 0); + av1_round_shift_array_16_neon(&a[i * txfm_size_col], txfm_size_col, + -shift[0]); + if (lr_flip == 1) { + for (int j = 0; j < buf_size_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + flip_buf_ud_neon(&a[k], 8); + transpose_s16_8x8q( + &a[k], &b[temp_b + txfm_size_row * (buf_size_w_div8 - 1 - j)]); + } + temp_b += 8; + } else { + for (int j = 0; j < buf_size_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + transpose_s16_8x8q(&a[k], &b[temp_b + txfm_size_row * j]); + } + temp_b += 8; + } + } + for (int j = 0; j < buf_size_w_div8; ++j) { + col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], cos_bit_col, 0); + av1_round_shift_array_16_neon(&b[j * txfm_size_row], txfm_size_row, + -shift[1]); + } + if (txfm_size_col >= 16) { + for (int i = 0; i < (txfm_size_col >> 4); i++) { + lowbd_add_flip_buffer_16xn_neon( + &b[i * txfm_size_row * 2], output + 16 * i, stride, 0, txfm_size_row); + } + } else if (txfm_size_col == 8) { + lowbd_add_flip_buffer_8xn_neon(b, output, stride, 0, txfm_size_row); + } +} + +static INLINE void lowbd_inv_txfm2d_add_h_wxh_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[32 * 32 + 32 + 32]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby; + get_eobx_eoby_scan_h_identity(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + // row tx + int row_start = (buf_size_nonzero_h_div8 * 8); + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + // col tx + for (int c = 0; c < txfm_size_col; c++) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_h_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + int16x8_t a[16 * 2]; + int16x8_t b[16 * 2]; + int eobx, eoby, ud_flip, lr_flip; + get_eobx_eoby_scan_h_identity(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + lowbd_inv_txfm2d_memset_neon(&a[0], (txfm_size_col * (txfm_size_row) >> 3), + 0); + const int buf_size_w_div8 = txfm_size_col >> 3; + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3; + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const int32_t *input_1; + int temp_b = 0; + const transform_neon row_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_neon col_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < buf_size_nonzero_h_div8; i++) { + input_1 = input; + for (int j = 0; j < buf_size_nonzero_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + load_buffer_32bit_to_16bit_neon(input_1, &a[k], txfm_size_col); + transpose_s16_8x8q(&a[k], &a[k]); + input_1 += 8; + } + input += (txfm_size_col * 8); + if (abs(rect_type) == 1) { + int y = i * txfm_size_col; + round_shift_for_rect(&a[y], &a[y], txfm_size_col); + } + row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], cos_bit_row, 0); + av1_round_shift_array_16_neon(&a[i * txfm_size_col], txfm_size_col, + -shift[0]); + for (int j = 0; j < buf_size_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + transpose_s16_8x8q(&a[k], &b[temp_b + txfm_size_row * j]); + } + temp_b += 8; + } + for (int j = 0; j < buf_size_w_div8; ++j) { + col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], cos_bit_col, 0); + av1_round_shift_array_16_neon(&b[j * txfm_size_row], txfm_size_row, + -shift[1]); + } + if (txfm_size_col >= 16) { + for (int i = 0; i < (txfm_size_col >> 4); i++) { + lowbd_add_flip_buffer_16xn_neon(&b[i * txfm_size_row * 2], + output + 16 * i, stride, ud_flip, + txfm_size_row); + } + } else if (txfm_size_col == 8) { + lowbd_add_flip_buffer_8xn_neon(b, output, stride, ud_flip, txfm_size_row); + } +} + +static INLINE void lowbd_inv_txfm2d_add_4x4_neon(const int32_t *input, + uint8_t *output, int stride, + TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[4 * 4 + 8 + 8]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_4x8_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, TX_SIZE tx_size, + int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[4 * 8 + 8 + 8]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_8x4_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, TX_SIZE tx_size, + int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[8 * 4 + 8 + 8]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_4x16_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + (void)eob; + DECLARE_ALIGNED(32, int, txfm_buf[4 * 16 + 16 + 16]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +void lowbd_inv_txfm2d_add_16x4_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + (void)eob; + + DECLARE_ALIGNED(32, int, txfm_buf[16 * 4 + 16 + 16]); + int32_t *temp_in = txfm_buf; + + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + int r, bd = 8; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_arr[txw_idx][hitx_1d_tab[tx_type]]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_arr[txh_idx][vitx_1d_tab[tx_type]]; + + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < txfm_size_row; i++) { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + for (int c = 0; c < txfm_size_col; ++c) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_wxh_no_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + DECLARE_ALIGNED(32, int, txfm_buf[64 * 64 + 64 + 64]); + int32_t *temp_in = txfm_buf; + + int eobx, eoby, ud_flip, lr_flip, row_start; + get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col); + + int32_t *temp_out = temp_in + buf_offset; + int32_t *buf = temp_out + buf_offset; + int32_t *buf_ptr = buf; + const int8_t stage_range[MAX_TXFM_STAGE_NUM] = { 16 }; + const int bd = 8; + int r; + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_neon row_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_neon col_txfm = + lowbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + row_start = (buf_size_nonzero_h_div8 << 3); + + for (int i = 0; i < row_start; i++) { + if (abs(rect_type) == 1) { + for (int j = 0; j < txfm_size_col; j++) + temp_in[j] = round_shift((int64_t)input[j] * NewInvSqrt2, NewSqrt2Bits); + row_txfm(temp_in, buf_ptr, cos_bit_row, stage_range); + } else { + row_txfm(input, buf_ptr, cos_bit_row, stage_range); + } + av1_round_shift_array(buf_ptr, txfm_size_col, -shift[0]); + input += txfm_size_col; + buf_ptr += txfm_size_col; + } + + // Doing memset for the rows which are not processed in row transform. + memset(buf_ptr, 0, + sizeof(int32_t) * txfm_size_col * (txfm_size_row - row_start)); + + for (int c = 0; c < txfm_size_col; c++) { + if (lr_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + c]; + } else { + // flip left right + for (r = 0; r < txfm_size_row; ++r) + temp_in[r] = buf[r * txfm_size_col + (txfm_size_col - c - 1)]; + } + col_txfm(temp_in, temp_out, cos_bit_col, stage_range); + av1_round_shift_array(temp_out, txfm_size_row, -shift[1]); + + if (ud_flip == 0) { + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = + highbd_clip_pixel_add(output[r * stride + c], temp_out[r], bd); + } + } else { + // flip upside down + for (r = 0; r < txfm_size_row; ++r) { + output[r * stride + c] = highbd_clip_pixel_add( + output[r * stride + c], temp_out[txfm_size_row - r - 1], bd); + } + } + } +} + +static INLINE void lowbd_inv_txfm2d_add_no_identity_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + int16x8_t a[64 * 8]; + int16x8_t b[64 * 8]; + int eobx, eoby, ud_flip, lr_flip; + get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = inv_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = inv_cos_bit_row[txw_idx][txh_idx]; + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + const int buf_size_w_div8 = txfm_size_col >> 3; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3; + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const int32_t *input_1; + int temp_b = 0; + + const transform_neon row_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_neon col_txfm = + lowbd_txfm_all_1d_zeros_w_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + for (int i = 0; i < buf_size_nonzero_h_div8; i++) { + input_1 = input; + for (int j = 0; j < buf_size_nonzero_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + load_buffer_32bit_to_16bit_neon(input_1, &a[k], txfm_size_col); + transpose_s16_8x8q(&a[k], &a[k]); + input_1 += 8; + } + input += (txfm_size_col * 8); + if (abs(rect_type) == 1) { + int y = i * txfm_size_col; + round_shift_for_rect(&a[y], &a[y], txfm_size_col); + } + row_txfm(&a[i * txfm_size_col], &a[i * txfm_size_col], cos_bit_row, 0); + av1_round_shift_array_16_neon(&a[i * txfm_size_col], txfm_size_col, + -shift[0]); + if (lr_flip == 1) { + for (int j = 0; j < buf_size_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + flip_buf_ud_neon(&a[k], 8); + transpose_s16_8x8q( + &a[k], &b[temp_b + txfm_size_row * (buf_size_w_div8 - 1 - j)]); + } + temp_b += 8; + } else { + for (int j = 0; j < buf_size_w_div8; ++j) { + int k = j * 8 + i * txfm_size_col; + transpose_s16_8x8q(&a[k], &b[temp_b + txfm_size_row * j]); + } + temp_b += 8; + } + } + for (int j = 0; j < buf_size_w_div8; ++j) { + col_txfm(&b[j * txfm_size_row], &b[j * txfm_size_row], cos_bit_col, 0); + av1_round_shift_array_16_neon(&b[j * txfm_size_row], txfm_size_row, + -shift[1]); + } + + if (txfm_size_col >= 16) { + for (int i = 0; i < (txfm_size_col >> 4); i++) { + lowbd_add_flip_buffer_16xn_neon(&b[i * txfm_size_row * 2], + output + 16 * i, stride, ud_flip, + txfm_size_row); + } + } else if (txfm_size_col == 8) { + lowbd_add_flip_buffer_8xn_neon(b, output, stride, ud_flip, txfm_size_row); + } +} + +static INLINE void lowbd_inv_txfm2d_add_wxh_universe_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + switch (tx_type) { + case IDTX: + lowbd_inv_txfm2d_add_wxh_idtx_neon(input, output, stride, tx_type, + tx_size, eob); + break; + + case H_DCT: + case H_ADST: + case H_FLIPADST: + lowbd_inv_txfm2d_add_v_wxh_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + + case V_DCT: + case V_ADST: + case V_FLIPADST: + lowbd_inv_txfm2d_add_h_wxh_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + + default: + lowbd_inv_txfm2d_add_wxh_no_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + } +} + +static INLINE void lowbd_inv_txfm2d_add_universe_neon( + const int32_t *input, uint8_t *output, int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob) { + switch (tx_type) { + case IDTX: + lowbd_inv_txfm2d_add_idtx_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case H_DCT: + case H_ADST: + case H_FLIPADST: + lowbd_inv_txfm2d_add_v_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + + case V_DCT: + case V_ADST: + case V_FLIPADST: + lowbd_inv_txfm2d_add_h_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + + default: + lowbd_inv_txfm2d_add_no_identity_neon(input, output, stride, tx_type, + tx_size, eob); + break; + } +} + +void av1_lowbd_inv_txfm2d_add_neon(const int32_t *input, uint8_t *output, + int stride, TX_TYPE tx_type, TX_SIZE tx_size, + int eob) { + int row; + switch (tx_size) { + case TX_4X4: + lowbd_inv_txfm2d_add_4x4_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_4X8: + lowbd_inv_txfm2d_add_4x8_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_8X4: + lowbd_inv_txfm2d_add_8x4_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_4X16: + lowbd_inv_txfm2d_add_4x16_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_16X4: + lowbd_inv_txfm2d_add_16x4_neon(input, output, stride, tx_type, tx_size, + eob); + break; + + case TX_16X64: { + lowbd_inv_txfm2d_add_wxh_universe_neon(input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_64X16: { + int32_t mod_input[64 * 16]; + for (row = 0; row < 16; ++row) { + memcpy(mod_input + row * 64, input + row * 32, 32 * sizeof(*mod_input)); + memset(mod_input + row * 64 + 32, 0, 32 * sizeof(*mod_input)); + } + lowbd_inv_txfm2d_add_wxh_universe_neon(mod_input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_32X64: { + lowbd_inv_txfm2d_add_wxh_universe_neon(input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_64X32: { + int32_t mod_input[64 * 32]; + for (row = 0; row < 32; ++row) { + memcpy(mod_input + row * 64, input + row * 32, 32 * sizeof(*mod_input)); + memset(mod_input + row * 64 + 32, 0, 32 * sizeof(*mod_input)); + } + lowbd_inv_txfm2d_add_wxh_universe_neon(mod_input, output, stride, tx_type, + tx_size, eob); + } break; + + case TX_64X64: { + int32_t mod_input[64 * 64]; + for (row = 0; row < 32; ++row) { + memcpy(mod_input + row * 64, input + row * 32, 32 * sizeof(*mod_input)); + memset(mod_input + row * 64 + 32, 0, 32 * sizeof(*mod_input)); + } + lowbd_inv_txfm2d_add_wxh_universe_neon(mod_input, output, stride, tx_type, + tx_size, eob); + } break; + + default: + lowbd_inv_txfm2d_add_universe_neon(input, output, stride, tx_type, + tx_size, eob); + break; + } +} +void av1_inv_txfm_add_neon(const tran_low_t *dqcoeff, uint8_t *dst, int stride, + const TxfmParam *txfm_param) { + const TX_TYPE tx_type = txfm_param->tx_type; + if (!txfm_param->lossless) { + av1_lowbd_inv_txfm2d_add_neon(dqcoeff, dst, stride, tx_type, + txfm_param->tx_size, txfm_param->eob); + } else { + av1_inv_txfm_add_c(dqcoeff, dst, stride, txfm_param); + } +} |