diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/aom/av1/common/arm/warp_plane_neon.c | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/warp_plane_neon.c b/third_party/aom/av1/common/arm/warp_plane_neon.c new file mode 100644 index 0000000000..4723154398 --- /dev/null +++ b/third_party/aom/av1/common/arm/warp_plane_neon.c @@ -0,0 +1,276 @@ +/* + * 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 "warp_plane_neon.h" + +static INLINE int16x8_t horizontal_filter_4x1_f4(const uint8x16_t in, int sx, + int alpha) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + // Loading the 8 filter taps + int16x8_t f[4]; + load_filters_4(f, sx, alpha); + + int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in))); + int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in))); + + int16x8_t m0 = vmulq_s16(f[0], in16_lo); + int16x8_t m1 = vmulq_s16(f[1], vextq_s16(in16_lo, in16_hi, 1)); + int16x8_t m2 = vmulq_s16(f[2], vextq_s16(in16_lo, in16_hi, 2)); + int16x8_t m3 = vmulq_s16(f[3], vextq_s16(in16_lo, in16_hi, 3)); + + int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2), + vpaddlq_s16(m3) }; + + int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs); + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + + uint16x8_t res = + vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), vdup_n_u16(0)); + return vreinterpretq_s16_u16(res); +} + +static INLINE int16x8_t horizontal_filter_8x1_f8(const uint8x16_t in, int sx, + int alpha) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + // Loading the 8 filter taps + int16x8_t f[8]; + load_filters_8(f, sx, alpha); + + int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in))); + int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in))); + + int16x8_t m0 = vmulq_s16(f[0], in16_lo); + int16x8_t m1 = vmulq_s16(f[1], vextq_s16(in16_lo, in16_hi, 1)); + int16x8_t m2 = vmulq_s16(f[2], vextq_s16(in16_lo, in16_hi, 2)); + int16x8_t m3 = vmulq_s16(f[3], vextq_s16(in16_lo, in16_hi, 3)); + int16x8_t m4 = vmulq_s16(f[4], vextq_s16(in16_lo, in16_hi, 4)); + int16x8_t m5 = vmulq_s16(f[5], vextq_s16(in16_lo, in16_hi, 5)); + int16x8_t m6 = vmulq_s16(f[6], vextq_s16(in16_lo, in16_hi, 6)); + int16x8_t m7 = vmulq_s16(f[7], vextq_s16(in16_lo, in16_hi, 7)); + + int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2), + vpaddlq_s16(m3) }; + int32x4_t m4567_pairs[] = { vpaddlq_s16(m4), vpaddlq_s16(m5), vpaddlq_s16(m6), + vpaddlq_s16(m7) }; + + int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs); + int32x4_t tmp_res_high = horizontal_add_4d_s32x4(m4567_pairs); + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + tmp_res_high = vaddq_s32(tmp_res_high, add_const); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), + vqrshrun_n_s32(tmp_res_high, ROUND0_BITS)); + return vreinterpretq_s16_u16(res); +} + +static INLINE int16x8_t horizontal_filter_4x1_f1(const uint8x16_t in, int sx) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + int16x8_t f_s16 = + vld1q_s16((int16_t *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS))); + + int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in))); + int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in))); + + int16x8_t m0 = vmulq_s16(f_s16, in16_lo); + int16x8_t m1 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 1)); + int16x8_t m2 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 2)); + int16x8_t m3 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 3)); + + int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2), + vpaddlq_s16(m3) }; + + int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs); + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + + uint16x8_t res = + vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), vdup_n_u16(0)); + return vreinterpretq_s16_u16(res); +} + +static INLINE int16x8_t horizontal_filter_8x1_f1(const uint8x16_t in, int sx) { + const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1)); + + int16x8_t f_s16 = + vld1q_s16((int16_t *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS))); + + int16x8_t in16_lo = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(in))); + int16x8_t in16_hi = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(in))); + + int16x8_t m0 = vmulq_s16(f_s16, in16_lo); + int16x8_t m1 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 1)); + int16x8_t m2 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 2)); + int16x8_t m3 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 3)); + int16x8_t m4 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 4)); + int16x8_t m5 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 5)); + int16x8_t m6 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 6)); + int16x8_t m7 = vmulq_s16(f_s16, vextq_s16(in16_lo, in16_hi, 7)); + + int32x4_t m0123_pairs[] = { vpaddlq_s16(m0), vpaddlq_s16(m1), vpaddlq_s16(m2), + vpaddlq_s16(m3) }; + int32x4_t m4567_pairs[] = { vpaddlq_s16(m4), vpaddlq_s16(m5), vpaddlq_s16(m6), + vpaddlq_s16(m7) }; + + int32x4_t tmp_res_low = horizontal_add_4d_s32x4(m0123_pairs); + int32x4_t tmp_res_high = horizontal_add_4d_s32x4(m4567_pairs); + + tmp_res_low = vaddq_s32(tmp_res_low, add_const); + tmp_res_high = vaddq_s32(tmp_res_high, add_const); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), + vqrshrun_n_s32(tmp_res_high, ROUND0_BITS)); + return vreinterpretq_s16_u16(res); +} + +static INLINE void vertical_filter_4x1_f1(const int16x8_t *src, int32x4_t *res, + int sy) { + int16x4_t s0 = vget_low_s16(src[0]); + int16x4_t s1 = vget_low_s16(src[1]); + int16x4_t s2 = vget_low_s16(src[2]); + int16x4_t s3 = vget_low_s16(src[3]); + int16x4_t s4 = vget_low_s16(src[4]); + int16x4_t s5 = vget_low_s16(src[5]); + int16x4_t s6 = vget_low_s16(src[6]); + int16x4_t s7 = vget_low_s16(src[7]); + + int16x8_t f = + vld1q_s16((int16_t *)(av1_warped_filter + (sy >> WARPEDDIFF_PREC_BITS))); + + int32x4_t m0123 = vmull_lane_s16(s0, vget_low_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, s1, vget_low_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, s2, vget_low_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, s3, vget_low_s16(f), 3); + m0123 = vmlal_lane_s16(m0123, s4, vget_high_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, s5, vget_high_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, s6, vget_high_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, s7, vget_high_s16(f), 3); + + *res = m0123; +} + +static INLINE void vertical_filter_4x1_f4(const int16x8_t *src, int32x4_t *res, + int sy, int gamma) { + int16x8_t s0, s1, s2, s3; + transpose_elems_s16_4x8( + vget_low_s16(src[0]), vget_low_s16(src[1]), vget_low_s16(src[2]), + vget_low_s16(src[3]), vget_low_s16(src[4]), vget_low_s16(src[5]), + vget_low_s16(src[6]), vget_low_s16(src[7]), &s0, &s1, &s2, &s3); + + int16x8_t f[4]; + load_filters_4(f, sy, gamma); + + int32x4_t m0 = vmull_s16(vget_low_s16(s0), vget_low_s16(f[0])); + m0 = vmlal_s16(m0, vget_high_s16(s0), vget_high_s16(f[0])); + int32x4_t m1 = vmull_s16(vget_low_s16(s1), vget_low_s16(f[1])); + m1 = vmlal_s16(m1, vget_high_s16(s1), vget_high_s16(f[1])); + int32x4_t m2 = vmull_s16(vget_low_s16(s2), vget_low_s16(f[2])); + m2 = vmlal_s16(m2, vget_high_s16(s2), vget_high_s16(f[2])); + int32x4_t m3 = vmull_s16(vget_low_s16(s3), vget_low_s16(f[3])); + m3 = vmlal_s16(m3, vget_high_s16(s3), vget_high_s16(f[3])); + + int32x4_t m0123_pairs[] = { m0, m1, m2, m3 }; + + *res = horizontal_add_4d_s32x4(m0123_pairs); +} + +static INLINE void vertical_filter_8x1_f1(const int16x8_t *src, + int32x4_t *res_low, + int32x4_t *res_high, int sy) { + int16x8_t s0 = src[0]; + int16x8_t s1 = src[1]; + int16x8_t s2 = src[2]; + int16x8_t s3 = src[3]; + int16x8_t s4 = src[4]; + int16x8_t s5 = src[5]; + int16x8_t s6 = src[6]; + int16x8_t s7 = src[7]; + + int16x8_t f = + vld1q_s16((int16_t *)(av1_warped_filter + (sy >> WARPEDDIFF_PREC_BITS))); + + int32x4_t m0123 = vmull_lane_s16(vget_low_s16(s0), vget_low_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s1), vget_low_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s2), vget_low_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s3), vget_low_s16(f), 3); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s4), vget_high_s16(f), 0); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s5), vget_high_s16(f), 1); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s6), vget_high_s16(f), 2); + m0123 = vmlal_lane_s16(m0123, vget_low_s16(s7), vget_high_s16(f), 3); + + int32x4_t m4567 = vmull_lane_s16(vget_high_s16(s0), vget_low_s16(f), 0); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s1), vget_low_s16(f), 1); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s2), vget_low_s16(f), 2); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s3), vget_low_s16(f), 3); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s4), vget_high_s16(f), 0); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s5), vget_high_s16(f), 1); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s6), vget_high_s16(f), 2); + m4567 = vmlal_lane_s16(m4567, vget_high_s16(s7), vget_high_s16(f), 3); + + *res_low = m0123; + *res_high = m4567; +} + +static INLINE void vertical_filter_8x1_f8(const int16x8_t *src, + int32x4_t *res_low, + int32x4_t *res_high, int sy, + int gamma) { + int16x8_t s0 = src[0]; + int16x8_t s1 = src[1]; + int16x8_t s2 = src[2]; + int16x8_t s3 = src[3]; + int16x8_t s4 = src[4]; + int16x8_t s5 = src[5]; + int16x8_t s6 = src[6]; + int16x8_t s7 = src[7]; + transpose_elems_inplace_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7); + + int16x8_t f[8]; + load_filters_8(f, sy, gamma); + + int32x4_t m0 = vmull_s16(vget_low_s16(s0), vget_low_s16(f[0])); + m0 = vmlal_s16(m0, vget_high_s16(s0), vget_high_s16(f[0])); + int32x4_t m1 = vmull_s16(vget_low_s16(s1), vget_low_s16(f[1])); + m1 = vmlal_s16(m1, vget_high_s16(s1), vget_high_s16(f[1])); + int32x4_t m2 = vmull_s16(vget_low_s16(s2), vget_low_s16(f[2])); + m2 = vmlal_s16(m2, vget_high_s16(s2), vget_high_s16(f[2])); + int32x4_t m3 = vmull_s16(vget_low_s16(s3), vget_low_s16(f[3])); + m3 = vmlal_s16(m3, vget_high_s16(s3), vget_high_s16(f[3])); + int32x4_t m4 = vmull_s16(vget_low_s16(s4), vget_low_s16(f[4])); + m4 = vmlal_s16(m4, vget_high_s16(s4), vget_high_s16(f[4])); + int32x4_t m5 = vmull_s16(vget_low_s16(s5), vget_low_s16(f[5])); + m5 = vmlal_s16(m5, vget_high_s16(s5), vget_high_s16(f[5])); + int32x4_t m6 = vmull_s16(vget_low_s16(s6), vget_low_s16(f[6])); + m6 = vmlal_s16(m6, vget_high_s16(s6), vget_high_s16(f[6])); + int32x4_t m7 = vmull_s16(vget_low_s16(s7), vget_low_s16(f[7])); + m7 = vmlal_s16(m7, vget_high_s16(s7), vget_high_s16(f[7])); + + int32x4_t m0123_pairs[] = { m0, m1, m2, m3 }; + int32x4_t m4567_pairs[] = { m4, m5, m6, m7 }; + + *res_low = horizontal_add_4d_s32x4(m0123_pairs); + *res_high = horizontal_add_4d_s32x4(m4567_pairs); +} + +void av1_warp_affine_neon(const int32_t *mat, const uint8_t *ref, int width, + int height, int stride, uint8_t *pred, int p_col, + int p_row, int p_width, int p_height, int p_stride, + int subsampling_x, int subsampling_y, + ConvolveParams *conv_params, int16_t alpha, + int16_t beta, int16_t gamma, int16_t delta) { + av1_warp_affine_common(mat, ref, width, height, stride, pred, p_col, p_row, + p_width, p_height, p_stride, subsampling_x, + subsampling_y, conv_params, alpha, beta, gamma, delta); +} |