| /* |
| * Copyright (c) 2023, 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 <assert.h> |
| #include <arm_neon.h> |
| |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_dsp/arm/mem_neon.h" |
| #include "aom_dsp/arm/transpose_neon.h" |
| #include "aom_ports/mem.h" |
| #include "av1/common/convolve.h" |
| #include "av1/common/filter.h" |
| #include "av1/common/arm/highbd_convolve_neon.h" |
| |
| static INLINE void highbd_dist_wtd_comp_avg_neon( |
| const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride, |
| int w, int h, ConvolveParams *conv_params, const int round_bits, |
| const int offset, const int bd) { |
| CONV_BUF_TYPE *ref_ptr = conv_params->dst; |
| const int ref_stride = conv_params->dst_stride; |
| const int32x4_t round_shift = vdupq_n_s32(-round_bits); |
| const uint32x4_t offset_vec = vdupq_n_u32(offset); |
| const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); |
| uint16x4_t fwd_offset = vdup_n_u16(conv_params->fwd_offset); |
| uint16x4_t bck_offset = vdup_n_u16(conv_params->bck_offset); |
| |
| // Weighted averaging |
| if (w <= 4) { |
| do { |
| const uint16x4_t src = vld1_u16(src_ptr); |
| const uint16x4_t ref = vld1_u16(ref_ptr); |
| |
| uint32x4_t wtd_avg = vmull_u16(ref, fwd_offset); |
| wtd_avg = vmlal_u16(wtd_avg, src, bck_offset); |
| wtd_avg = vshrq_n_u32(wtd_avg, DIST_PRECISION_BITS); |
| int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg, offset_vec)); |
| d0 = vqrshlq_s32(d0, round_shift); |
| |
| uint16x4_t d0_u16 = vqmovun_s32(d0); |
| d0_u16 = vmin_u16(d0_u16, vget_low_u16(max)); |
| |
| if (w == 2) { |
| store_u16_2x1(dst_ptr, d0_u16, 0); |
| } else { |
| vst1_u16(dst_ptr, d0_u16); |
| } |
| |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| ref_ptr += ref_stride; |
| } while (--h != 0); |
| } else { |
| do { |
| int width = w; |
| const uint16_t *src = src_ptr; |
| const uint16_t *ref = ref_ptr; |
| uint16_t *dst = dst_ptr; |
| do { |
| const uint16x8_t s = vld1q_u16(src); |
| const uint16x8_t r = vld1q_u16(ref); |
| |
| uint32x4_t wtd_avg0 = vmull_u16(vget_low_u16(r), fwd_offset); |
| wtd_avg0 = vmlal_u16(wtd_avg0, vget_low_u16(s), bck_offset); |
| wtd_avg0 = vshrq_n_u32(wtd_avg0, DIST_PRECISION_BITS); |
| int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg0, offset_vec)); |
| d0 = vqrshlq_s32(d0, round_shift); |
| |
| uint32x4_t wtd_avg1 = vmull_u16(vget_high_u16(r), fwd_offset); |
| wtd_avg1 = vmlal_u16(wtd_avg1, vget_high_u16(s), bck_offset); |
| wtd_avg1 = vshrq_n_u32(wtd_avg1, DIST_PRECISION_BITS); |
| int32x4_t d1 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg1, offset_vec)); |
| d1 = vqrshlq_s32(d1, round_shift); |
| |
| uint16x8_t d01 = vcombine_u16(vqmovun_s32(d0), vqmovun_s32(d1)); |
| d01 = vminq_u16(d01, max); |
| vst1q_u16(dst, d01); |
| |
| src += 8; |
| ref += 8; |
| dst += 8; |
| width -= 8; |
| } while (width != 0); |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| ref_ptr += ref_stride; |
| } while (--h != 0); |
| } |
| } |
| |
| static INLINE void highbd_comp_avg_neon(const uint16_t *src_ptr, int src_stride, |
| uint16_t *dst_ptr, int dst_stride, |
| int w, int h, |
| ConvolveParams *conv_params, |
| const int round_bits, const int offset, |
| const int bd) { |
| CONV_BUF_TYPE *ref_ptr = conv_params->dst; |
| const int ref_stride = conv_params->dst_stride; |
| const int32x4_t round_shift = vdupq_n_s32(-round_bits); |
| const uint16x4_t offset_vec = vdup_n_u16(offset); |
| const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); |
| |
| if (w <= 4) { |
| do { |
| const uint16x4_t src = vld1_u16(src_ptr); |
| const uint16x4_t ref = vld1_u16(ref_ptr); |
| |
| uint16x4_t avg = vhadd_u16(src, ref); |
| int32x4_t d0 = vreinterpretq_s32_u32(vsubl_u16(avg, offset_vec)); |
| d0 = vqrshlq_s32(d0, round_shift); |
| |
| uint16x4_t d0_u16 = vqmovun_s32(d0); |
| d0_u16 = vmin_u16(d0_u16, vget_low_u16(max)); |
| |
| if (w == 2) { |
| store_u16_2x1(dst_ptr, d0_u16, 0); |
| } else { |
| vst1_u16(dst_ptr, d0_u16); |
| } |
| |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| dst_ptr += dst_stride; |
| } while (--h != 0); |
| } else { |
| do { |
| int width = w; |
| const uint16_t *src = src_ptr; |
| const uint16_t *ref = ref_ptr; |
| uint16_t *dst = dst_ptr; |
| do { |
| const uint16x8_t s = vld1q_u16(src); |
| const uint16x8_t r = vld1q_u16(ref); |
| |
| uint16x8_t avg = vhaddq_u16(s, r); |
| int32x4_t d0_lo = |
| vreinterpretq_s32_u32(vsubl_u16(vget_low_u16(avg), offset_vec)); |
| int32x4_t d0_hi = |
| vreinterpretq_s32_u32(vsubl_u16(vget_high_u16(avg), offset_vec)); |
| d0_lo = vqrshlq_s32(d0_lo, round_shift); |
| d0_hi = vqrshlq_s32(d0_hi, round_shift); |
| |
| uint16x8_t d0 = vcombine_u16(vqmovun_s32(d0_lo), vqmovun_s32(d0_hi)); |
| d0 = vminq_u16(d0, max); |
| vst1q_u16(dst, d0); |
| |
| src += 8; |
| ref += 8; |
| dst += 8; |
| width -= 8; |
| } while (width != 0); |
| |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| dst_ptr += dst_stride; |
| } while (--h != 0); |
| } |
| } |
| |
| static INLINE void highbd_convolve_2d_x_scale_8tap_neon( |
| const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride, |
| int w, int h, const int subpel_x_qn, const int x_step_qn, |
| const InterpFilterParams *filter_params, ConvolveParams *conv_params, |
| const int offset) { |
| static const uint32_t kIdx[4] = { 0, 1, 2, 3 }; |
| const uint32x4_t idx = vld1q_u32(kIdx); |
| const uint32x4_t subpel_mask = vdupq_n_u32(SCALE_SUBPEL_MASK); |
| const int32x4_t shift_s32 = vdupq_n_s32(-conv_params->round_0); |
| const int32x4_t offset_s32 = vdupq_n_s32(offset); |
| |
| if (w <= 4) { |
| int height = h; |
| uint16_t *d = dst_ptr; |
| |
| do { |
| int x_qn = subpel_x_qn; |
| |
| // Load 4 src vectors at a time, they might be the same, but we have to |
| // calculate the indices anyway. Doing it in SIMD and then storing the |
| // indices is faster than having to calculate the expression |
| // &src_ptr[((x_qn + 0*x_step_qn) >> SCALE_SUBPEL_BITS)] 4 times |
| // Ideally this should be a gather using the indices, but NEON does not |
| // have that, so have to emulate |
| const uint32x4_t xqn_idx = vmlaq_n_u32(vdupq_n_u32(x_qn), idx, x_step_qn); |
| // We have to multiply x2 to get the actual pointer as sizeof(uint16_t) = |
| // 2 |
| const uint32x4_t src_idx_u32 = |
| vshlq_n_u32(vshrq_n_u32(xqn_idx, SCALE_SUBPEL_BITS), 1); |
| #if AOM_ARCH_AARCH64 |
| uint64x2_t src4[2]; |
| src4[0] = vaddw_u32(vdupq_n_u64((const uint64_t)src_ptr), |
| vget_low_u32(src_idx_u32)); |
| src4[1] = vaddw_u32(vdupq_n_u64((const uint64_t)src_ptr), |
| vget_high_u32(src_idx_u32)); |
| int16_t *src4_ptr[4]; |
| uint64_t *tmp_ptr = (uint64_t *)&src4_ptr; |
| vst1q_u64(tmp_ptr, src4[0]); |
| vst1q_u64(tmp_ptr + 2, src4[1]); |
| #else |
| uint32x4_t src4; |
| src4 = vaddq_u32(vdupq_n_u32((const uint32_t)src_ptr), src_idx_u32); |
| int16_t *src4_ptr[4]; |
| uint32_t *tmp_ptr = (uint32_t *)&src4_ptr; |
| vst1q_u32(tmp_ptr, src4); |
| #endif // AOM_ARCH_AARCH64 |
| // Same for the filter vectors |
| const int32x4_t filter_idx_s32 = vreinterpretq_s32_u32( |
| vshrq_n_u32(vandq_u32(xqn_idx, subpel_mask), SCALE_EXTRA_BITS)); |
| int32_t x_filter4_idx[4]; |
| vst1q_s32(x_filter4_idx, filter_idx_s32); |
| const int16_t *x_filter4_ptr[4]; |
| |
| // Load source |
| int16x8_t s0 = vld1q_s16(src4_ptr[0]); |
| int16x8_t s1 = vld1q_s16(src4_ptr[1]); |
| int16x8_t s2 = vld1q_s16(src4_ptr[2]); |
| int16x8_t s3 = vld1q_s16(src4_ptr[3]); |
| |
| // We could easily do this using SIMD as well instead of calling the |
| // inline function 4 times. |
| x_filter4_ptr[0] = |
| av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[0]); |
| x_filter4_ptr[1] = |
| av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[1]); |
| x_filter4_ptr[2] = |
| av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[2]); |
| x_filter4_ptr[3] = |
| av1_get_interp_filter_subpel_kernel(filter_params, x_filter4_idx[3]); |
| |
| // Actually load the filters |
| const int16x8_t x_filter0 = vld1q_s16(x_filter4_ptr[0]); |
| const int16x8_t x_filter1 = vld1q_s16(x_filter4_ptr[1]); |
| const int16x8_t x_filter2 = vld1q_s16(x_filter4_ptr[2]); |
| const int16x8_t x_filter3 = vld1q_s16(x_filter4_ptr[3]); |
| |
| // Group low and high parts and transpose |
| int16x4_t filters_lo[] = { vget_low_s16(x_filter0), |
| vget_low_s16(x_filter1), |
| vget_low_s16(x_filter2), |
| vget_low_s16(x_filter3) }; |
| int16x4_t filters_hi[] = { vget_high_s16(x_filter0), |
| vget_high_s16(x_filter1), |
| vget_high_s16(x_filter2), |
| vget_high_s16(x_filter3) }; |
| transpose_array_inplace_u16_4x4((uint16x4_t *)filters_lo); |
| transpose_array_inplace_u16_4x4((uint16x4_t *)filters_hi); |
| |
| // Run the 2D Scale convolution |
| uint16x4_t d0 = highbd_convolve8_2d_scale_horiz4x8_s32_s16( |
| s0, s1, s2, s3, filters_lo, filters_hi, shift_s32, offset_s32); |
| |
| if (w == 2) { |
| store_u16_2x1(d + 0 * dst_stride, d0, 0); |
| } else { |
| vst1_u16(d + 0 * dst_stride, d0); |
| } |
| |
| src_ptr += src_stride; |
| d += dst_stride; |
| height--; |
| } while (height > 0); |
| } else { |
| int height = h; |
| |
| do { |
| int width = w; |
| int x_qn = subpel_x_qn; |
| uint16_t *d = dst_ptr; |
| const uint16_t *s = src_ptr; |
| |
| do { |
| // Load 4 src vectors at a time, they might be the same, but we have to |
| // calculate the indices anyway. Doing it in SIMD and then storing the |
| // indices is faster than having to calculate the expression |
| // &src_ptr[((x_qn + 0*x_step_qn) >> SCALE_SUBPEL_BITS)] 4 times |
| // Ideally this should be a gather using the indices, but NEON does not |
| // have that, so have to emulate |
| const uint32x4_t xqn_idx = |
| vmlaq_n_u32(vdupq_n_u32(x_qn), idx, x_step_qn); |
| // We have to multiply x2 to get the actual pointer as sizeof(uint16_t) |
| // = 2 |
| const uint32x4_t src_idx_u32 = |
| vshlq_n_u32(vshrq_n_u32(xqn_idx, SCALE_SUBPEL_BITS), 1); |
| #if AOM_ARCH_AARCH64 |
| uint64x2_t src4[2]; |
| src4[0] = vaddw_u32(vdupq_n_u64((const uint64_t)s), |
| vget_low_u32(src_idx_u32)); |
| src4[1] = vaddw_u32(vdupq_n_u64((const uint64_t)s), |
| vget_high_u32(src_idx_u32)); |
| int16_t *src4_ptr[4]; |
| uint64_t *tmp_ptr = (uint64_t *)&src4_ptr; |
| vst1q_u64(tmp_ptr, src4[0]); |
| vst1q_u64(tmp_ptr + 2, src4[1]); |
| #else |
| uint32x4_t src4; |
| src4 = vaddq_u32(vdupq_n_u32((const uint32_t)s), src_idx_u32); |
| int16_t *src4_ptr[4]; |
| uint32_t *tmp_ptr = (uint32_t *)&src4_ptr; |
| vst1q_u32(tmp_ptr, src4); |
| #endif // AOM_ARCH_AARCH64 |
| // Same for the filter vectors |
| const int32x4_t filter_idx_s32 = vreinterpretq_s32_u32( |
| vshrq_n_u32(vandq_u32(xqn_idx, subpel_mask), SCALE_EXTRA_BITS)); |
| int32_t x_filter4_idx[4]; |
| vst1q_s32(x_filter4_idx, filter_idx_s32); |
| const int16_t *x_filter4_ptr[4]; |
| |
| // Load source |
| int16x8_t s0 = vld1q_s16(src4_ptr[0]); |
| int16x8_t s1 = vld1q_s16(src4_ptr[1]); |
| int16x8_t s2 = vld1q_s16(src4_ptr[2]); |
| int16x8_t s3 = vld1q_s16(src4_ptr[3]); |
| |
| // We could easily do this using SIMD as well instead of calling the |
| // inline function 4 times. |
| x_filter4_ptr[0] = av1_get_interp_filter_subpel_kernel( |
| filter_params, x_filter4_idx[0]); |
| x_filter4_ptr[1] = av1_get_interp_filter_subpel_kernel( |
| filter_params, x_filter4_idx[1]); |
| x_filter4_ptr[2] = av1_get_interp_filter_subpel_kernel( |
| filter_params, x_filter4_idx[2]); |
| x_filter4_ptr[3] = av1_get_interp_filter_subpel_kernel( |
| filter_params, x_filter4_idx[3]); |
| |
| // Actually load the filters |
| const int16x8_t x_filter0 = vld1q_s16(x_filter4_ptr[0]); |
| const int16x8_t x_filter1 = vld1q_s16(x_filter4_ptr[1]); |
| const int16x8_t x_filter2 = vld1q_s16(x_filter4_ptr[2]); |
| const int16x8_t x_filter3 = vld1q_s16(x_filter4_ptr[3]); |
| |
| // Group low and high parts and transpose |
| int16x4_t filters_lo[] = { vget_low_s16(x_filter0), |
| vget_low_s16(x_filter1), |
| vget_low_s16(x_filter2), |
| vget_low_s16(x_filter3) }; |
| int16x4_t filters_hi[] = { vget_high_s16(x_filter0), |
| vget_high_s16(x_filter1), |
| vget_high_s16(x_filter2), |
| vget_high_s16(x_filter3) }; |
| transpose_array_inplace_u16_4x4((uint16x4_t *)filters_lo); |
| transpose_array_inplace_u16_4x4((uint16x4_t *)filters_hi); |
| |
| // Run the 2D Scale X convolution |
| uint16x4_t d0 = highbd_convolve8_2d_scale_horiz4x8_s32_s16( |
| s0, s1, s2, s3, filters_lo, filters_hi, shift_s32, offset_s32); |
| |
| vst1_u16(d, d0); |
| |
| x_qn += 4 * x_step_qn; |
| d += 4; |
| width -= 4; |
| } while (width > 0); |
| |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| height--; |
| } while (height > 0); |
| } |
| } |
| |
| static INLINE void highbd_convolve_2d_y_scale_8tap_neon( |
| const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride, |
| int w, int h, const int subpel_y_qn, const int y_step_qn, |
| const InterpFilterParams *filter_params, const int round1_bits, |
| const int offset) { |
| const int32x4_t offset_s32 = vdupq_n_s32(1 << offset); |
| |
| const int32x4_t round1_shift_s32 = vdupq_n_s32(-round1_bits); |
| if (w <= 4) { |
| int height = h; |
| uint16_t *d = dst_ptr; |
| int y_qn = subpel_y_qn; |
| |
| do { |
| const int16_t *s = |
| (const int16_t *)&src_ptr[(y_qn >> SCALE_SUBPEL_BITS) * src_stride]; |
| |
| int16x4_t s0, s1, s2, s3, s4, s5, s6, s7; |
| load_s16_4x8(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7); |
| |
| const int y_filter_idx = (y_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS; |
| const int16_t *y_filter_ptr = |
| av1_get_interp_filter_subpel_kernel(filter_params, y_filter_idx); |
| const int16x8_t y_filter = vld1q_s16(y_filter_ptr); |
| |
| uint16x4_t d0 = highbd_convolve8_4_srsub_s32_s16( |
| s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round1_shift_s32, |
| offset_s32, vdupq_n_s32(0)); |
| |
| if (w == 2) { |
| store_u16_2x1(d, d0, 0); |
| } else { |
| vst1_u16(d, d0); |
| } |
| |
| y_qn += y_step_qn; |
| d += dst_stride; |
| height--; |
| } while (height > 0); |
| } else { |
| int width = w; |
| |
| do { |
| int height = h; |
| int y_qn = subpel_y_qn; |
| |
| uint16_t *d = dst_ptr; |
| |
| do { |
| const int16_t *s = |
| (const int16_t *)&src_ptr[(y_qn >> SCALE_SUBPEL_BITS) * src_stride]; |
| int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; |
| load_s16_8x8(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7); |
| |
| const int y_filter_idx = (y_qn & SCALE_SUBPEL_MASK) >> SCALE_EXTRA_BITS; |
| const int16_t *y_filter_ptr = |
| av1_get_interp_filter_subpel_kernel(filter_params, y_filter_idx); |
| const int16x8_t y_filter = vld1q_s16(y_filter_ptr); |
| |
| uint16x8_t d0 = highbd_convolve8_8_srsub_s32_s16( |
| s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round1_shift_s32, |
| offset_s32, vdupq_n_s32(0)); |
| vst1q_u16(d, d0); |
| |
| y_qn += y_step_qn; |
| d += dst_stride; |
| height--; |
| } while (height > 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| width -= 8; |
| } while (width > 0); |
| } |
| } |
| |
| static INLINE void highbd_convolve_correct_offset_neon( |
| const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride, |
| int w, int h, const int round_bits, const int offset, const int bd) { |
| const int32x4_t round_shift_s32 = vdupq_n_s32(-round_bits); |
| const int16x4_t offset_s16 = vdup_n_s16(offset); |
| const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); |
| |
| if (w <= 4) { |
| for (int y = 0; y < h; ++y) { |
| const int16x4_t s = vld1_s16((const int16_t *)src_ptr + y * src_stride); |
| const int32x4_t d0 = |
| vqrshlq_s32(vsubl_s16(s, offset_s16), round_shift_s32); |
| uint16x4_t d = vqmovun_s32(d0); |
| d = vmin_u16(d, vget_low_u16(max)); |
| if (w == 2) { |
| store_u16_2x1(dst_ptr + y * dst_stride, d, 0); |
| } else { |
| vst1_u16(dst_ptr + y * dst_stride, d); |
| } |
| } |
| } else { |
| for (int y = 0; y < h; ++y) { |
| for (int x = 0; x < w; x += 8) { |
| // Subtract round offset and convolve round |
| const int16x8_t s = |
| vld1q_s16((const int16_t *)src_ptr + y * src_stride + x); |
| const int32x4_t d0 = vqrshlq_s32(vsubl_s16(vget_low_s16(s), offset_s16), |
| round_shift_s32); |
| const int32x4_t d1 = vqrshlq_s32( |
| vsubl_s16(vget_high_s16(s), offset_s16), round_shift_s32); |
| uint16x8_t d01 = vcombine_u16(vqmovun_s32(d0), vqmovun_s32(d1)); |
| d01 = vminq_u16(d01, max); |
| vst1q_u16(dst_ptr + y * dst_stride + x, d01); |
| } |
| } |
| } |
| } |
| |
| void av1_highbd_convolve_2d_scale_neon( |
| const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, int w, |
| int h, const InterpFilterParams *filter_params_x, |
| const InterpFilterParams *filter_params_y, const int subpel_x_qn, |
| const int x_step_qn, const int subpel_y_qn, const int y_step_qn, |
| ConvolveParams *conv_params, int bd) { |
| uint16_t *im_block = (uint16_t *)aom_memalign( |
| 16, 2 * sizeof(uint16_t) * MAX_SB_SIZE * (MAX_SB_SIZE + MAX_FILTER_TAP)); |
| if (!im_block) return; |
| uint16_t *im_block2 = (uint16_t *)aom_memalign( |
| 16, 2 * sizeof(uint16_t) * MAX_SB_SIZE * (MAX_SB_SIZE + MAX_FILTER_TAP)); |
| if (!im_block2) { |
| aom_free(im_block); // free the first block and return. |
| return; |
| } |
| |
| int im_h = (((h - 1) * y_step_qn + subpel_y_qn) >> SCALE_SUBPEL_BITS) + |
| filter_params_y->taps; |
| const int im_stride = MAX_SB_SIZE; |
| const int bits = |
| FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1; |
| assert(bits >= 0); |
| |
| const int vert_offset = filter_params_y->taps / 2 - 1; |
| const int horiz_offset = filter_params_x->taps / 2 - 1; |
| const int x_offset_bits = (1 << (bd + FILTER_BITS - 1)); |
| const int y_offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; |
| const int y_offset_correction = |
| ((1 << (y_offset_bits - conv_params->round_1)) + |
| (1 << (y_offset_bits - conv_params->round_1 - 1))); |
| |
| CONV_BUF_TYPE *dst16 = conv_params->dst; |
| const int dst16_stride = conv_params->dst_stride; |
| |
| const uint16_t *src_ptr = src - vert_offset * src_stride - horiz_offset; |
| |
| highbd_convolve_2d_x_scale_8tap_neon( |
| src_ptr, src_stride, im_block, im_stride, w, im_h, subpel_x_qn, x_step_qn, |
| filter_params_x, conv_params, x_offset_bits); |
| if (conv_params->is_compound && !conv_params->do_average) { |
| highbd_convolve_2d_y_scale_8tap_neon( |
| im_block, im_stride, dst16, dst16_stride, w, h, subpel_y_qn, y_step_qn, |
| filter_params_y, conv_params->round_1, y_offset_bits); |
| } else { |
| highbd_convolve_2d_y_scale_8tap_neon( |
| im_block, im_stride, im_block2, im_stride, w, h, subpel_y_qn, y_step_qn, |
| filter_params_y, conv_params->round_1, y_offset_bits); |
| } |
| |
| // Do the compound averaging outside the loop, avoids branching within the |
| // main loop |
| if (conv_params->is_compound) { |
| if (conv_params->do_average) { |
| if (conv_params->use_dist_wtd_comp_avg) { |
| highbd_dist_wtd_comp_avg_neon(im_block2, im_stride, dst, dst_stride, w, |
| h, conv_params, bits, y_offset_correction, |
| bd); |
| } else { |
| highbd_comp_avg_neon(im_block2, im_stride, dst, dst_stride, w, h, |
| conv_params, bits, y_offset_correction, bd); |
| } |
| } |
| } else { |
| highbd_convolve_correct_offset_neon(im_block2, im_stride, dst, dst_stride, |
| w, h, bits, y_offset_correction, bd); |
| } |
| aom_free(im_block); |
| aom_free(im_block2); |
| } |
