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Diffstat (limited to '')
| -rw-r--r-- | third_party/dav1d/src/mc_tmpl.c | 953 |
1 files changed, 953 insertions, 0 deletions
diff --git a/third_party/dav1d/src/mc_tmpl.c b/third_party/dav1d/src/mc_tmpl.c new file mode 100644 index 0000000000..20226d8a39 --- /dev/null +++ b/third_party/dav1d/src/mc_tmpl.c @@ -0,0 +1,953 @@ +/* + * Copyright © 2018, VideoLAN and dav1d authors + * Copyright © 2018, Two Orioles, LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include <stdlib.h> +#include <string.h> + +#include "common/attributes.h" +#include "common/intops.h" + +#include "src/mc.h" +#include "src/tables.h" + +#if BITDEPTH == 8 +#define get_intermediate_bits(bitdepth_max) 4 +// Output in interval [-5132, 9212], fits in int16_t as is +#define PREP_BIAS 0 +#else +// 4 for 10 bits/component, 2 for 12 bits/component +#define get_intermediate_bits(bitdepth_max) (14 - bitdepth_from_max(bitdepth_max)) +// Output in interval [-20588, 36956] (10-bit), [-20602, 36983] (12-bit) +// Subtract a bias to ensure the output fits in int16_t +#define PREP_BIAS 8192 +#endif + +static NOINLINE void +put_c(pixel *dst, const ptrdiff_t dst_stride, + const pixel *src, const ptrdiff_t src_stride, const int w, int h) +{ + do { + pixel_copy(dst, src, w); + + dst += dst_stride; + src += src_stride; + } while (--h); +} + +static NOINLINE void +prep_c(int16_t *tmp, const pixel *src, const ptrdiff_t src_stride, + const int w, int h HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + do { + for (int x = 0; x < w; x++) + tmp[x] = (src[x] << intermediate_bits) - PREP_BIAS; + + tmp += w; + src += src_stride; + } while (--h); +} + +#define FILTER_8TAP(src, x, F, stride) \ + (F[0] * src[x + -3 * stride] + \ + F[1] * src[x + -2 * stride] + \ + F[2] * src[x + -1 * stride] + \ + F[3] * src[x + +0 * stride] + \ + F[4] * src[x + +1 * stride] + \ + F[5] * src[x + +2 * stride] + \ + F[6] * src[x + +3 * stride] + \ + F[7] * src[x + +4 * stride]) + +#define DAV1D_FILTER_8TAP_RND(src, x, F, stride, sh) \ + ((FILTER_8TAP(src, x, F, stride) + ((1 << (sh)) >> 1)) >> (sh)) + +#define DAV1D_FILTER_8TAP_RND2(src, x, F, stride, rnd, sh) \ + ((FILTER_8TAP(src, x, F, stride) + (rnd)) >> (sh)) + +#define DAV1D_FILTER_8TAP_CLIP(src, x, F, stride, sh) \ + iclip_pixel(DAV1D_FILTER_8TAP_RND(src, x, F, stride, sh)) + +#define DAV1D_FILTER_8TAP_CLIP2(src, x, F, stride, rnd, sh) \ + iclip_pixel(DAV1D_FILTER_8TAP_RND2(src, x, F, stride, rnd, sh)) + +#define GET_H_FILTER(mx) \ + const int8_t *const fh = !(mx) ? NULL : w > 4 ? \ + dav1d_mc_subpel_filters[filter_type & 3][(mx) - 1] : \ + dav1d_mc_subpel_filters[3 + (filter_type & 1)][(mx) - 1] + +#define GET_V_FILTER(my) \ + const int8_t *const fv = !(my) ? NULL : h > 4 ? \ + dav1d_mc_subpel_filters[filter_type >> 2][(my) - 1] : \ + dav1d_mc_subpel_filters[3 + ((filter_type >> 2) & 1)][(my) - 1] + +#define GET_FILTERS() \ + GET_H_FILTER(mx); \ + GET_V_FILTER(my) + +static NOINLINE void +put_8tap_c(pixel *dst, ptrdiff_t dst_stride, + const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, const int my, + const int filter_type HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + const int intermediate_rnd = 32 + ((1 << (6 - intermediate_bits)) >> 1); + + GET_FILTERS(); + dst_stride = PXSTRIDE(dst_stride); + src_stride = PXSTRIDE(src_stride); + + if (fh) { + if (fv) { + int tmp_h = h + 7; + int16_t mid[128 * 135], *mid_ptr = mid; + + src -= src_stride * 3; + do { + for (int x = 0; x < w; x++) + mid_ptr[x] = DAV1D_FILTER_8TAP_RND(src, x, fh, 1, + 6 - intermediate_bits); + + mid_ptr += 128; + src += src_stride; + } while (--tmp_h); + + mid_ptr = mid + 128 * 3; + do { + for (int x = 0; x < w; x++) + dst[x] = DAV1D_FILTER_8TAP_CLIP(mid_ptr, x, fv, 128, + 6 + intermediate_bits); + + mid_ptr += 128; + dst += dst_stride; + } while (--h); + } else { + do { + for (int x = 0; x < w; x++) { + dst[x] = DAV1D_FILTER_8TAP_CLIP2(src, x, fh, 1, + intermediate_rnd, 6); + } + + dst += dst_stride; + src += src_stride; + } while (--h); + } + } else if (fv) { + do { + for (int x = 0; x < w; x++) + dst[x] = DAV1D_FILTER_8TAP_CLIP(src, x, fv, src_stride, 6); + + dst += dst_stride; + src += src_stride; + } while (--h); + } else + put_c(dst, dst_stride, src, src_stride, w, h); +} + +static NOINLINE void +put_8tap_scaled_c(pixel *dst, const ptrdiff_t dst_stride, + const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, int my, + const int dx, const int dy, const int filter_type + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + const int intermediate_rnd = (1 << intermediate_bits) >> 1; + int tmp_h = (((h - 1) * dy + my) >> 10) + 8; + int16_t mid[128 * (256 + 7)], *mid_ptr = mid; + src_stride = PXSTRIDE(src_stride); + + src -= src_stride * 3; + do { + int x; + int imx = mx, ioff = 0; + + for (x = 0; x < w; x++) { + GET_H_FILTER(imx >> 6); + mid_ptr[x] = fh ? DAV1D_FILTER_8TAP_RND(src, ioff, fh, 1, + 6 - intermediate_bits) : + src[ioff] << intermediate_bits; + imx += dx; + ioff += imx >> 10; + imx &= 0x3ff; + } + + mid_ptr += 128; + src += src_stride; + } while (--tmp_h); + + mid_ptr = mid + 128 * 3; + for (int y = 0; y < h; y++) { + int x; + GET_V_FILTER(my >> 6); + + for (x = 0; x < w; x++) + dst[x] = fv ? DAV1D_FILTER_8TAP_CLIP(mid_ptr, x, fv, 128, + 6 + intermediate_bits) : + iclip_pixel((mid_ptr[x] + intermediate_rnd) >> + intermediate_bits); + + my += dy; + mid_ptr += (my >> 10) * 128; + my &= 0x3ff; + dst += PXSTRIDE(dst_stride); + } +} + +static NOINLINE void +prep_8tap_c(int16_t *tmp, const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, const int my, + const int filter_type HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + GET_FILTERS(); + src_stride = PXSTRIDE(src_stride); + + if (fh) { + if (fv) { + int tmp_h = h + 7; + int16_t mid[128 * 135], *mid_ptr = mid; + + src -= src_stride * 3; + do { + for (int x = 0; x < w; x++) + mid_ptr[x] = DAV1D_FILTER_8TAP_RND(src, x, fh, 1, + 6 - intermediate_bits); + + mid_ptr += 128; + src += src_stride; + } while (--tmp_h); + + mid_ptr = mid + 128 * 3; + do { + for (int x = 0; x < w; x++) { + int t = DAV1D_FILTER_8TAP_RND(mid_ptr, x, fv, 128, 6) - + PREP_BIAS; + assert(t >= INT16_MIN && t <= INT16_MAX); + tmp[x] = t; + } + + mid_ptr += 128; + tmp += w; + } while (--h); + } else { + do { + for (int x = 0; x < w; x++) + tmp[x] = DAV1D_FILTER_8TAP_RND(src, x, fh, 1, + 6 - intermediate_bits) - + PREP_BIAS; + + tmp += w; + src += src_stride; + } while (--h); + } + } else if (fv) { + do { + for (int x = 0; x < w; x++) + tmp[x] = DAV1D_FILTER_8TAP_RND(src, x, fv, src_stride, + 6 - intermediate_bits) - + PREP_BIAS; + + tmp += w; + src += src_stride; + } while (--h); + } else + prep_c(tmp, src, src_stride, w, h HIGHBD_TAIL_SUFFIX); +} + +static NOINLINE void +prep_8tap_scaled_c(int16_t *tmp, const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, int my, + const int dx, const int dy, const int filter_type + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + int tmp_h = (((h - 1) * dy + my) >> 10) + 8; + int16_t mid[128 * (256 + 7)], *mid_ptr = mid; + src_stride = PXSTRIDE(src_stride); + + src -= src_stride * 3; + do { + int x; + int imx = mx, ioff = 0; + + for (x = 0; x < w; x++) { + GET_H_FILTER(imx >> 6); + mid_ptr[x] = fh ? DAV1D_FILTER_8TAP_RND(src, ioff, fh, 1, + 6 - intermediate_bits) : + src[ioff] << intermediate_bits; + imx += dx; + ioff += imx >> 10; + imx &= 0x3ff; + } + + mid_ptr += 128; + src += src_stride; + } while (--tmp_h); + + mid_ptr = mid + 128 * 3; + for (int y = 0; y < h; y++) { + int x; + GET_V_FILTER(my >> 6); + + for (x = 0; x < w; x++) + tmp[x] = (fv ? DAV1D_FILTER_8TAP_RND(mid_ptr, x, fv, 128, 6) + : mid_ptr[x]) - PREP_BIAS; + + my += dy; + mid_ptr += (my >> 10) * 128; + my &= 0x3ff; + tmp += w; + } +} + +#define filter_fns(type, type_h, type_v) \ +static void put_8tap_##type##_c(pixel *const dst, \ + const ptrdiff_t dst_stride, \ + const pixel *const src, \ + const ptrdiff_t src_stride, \ + const int w, const int h, \ + const int mx, const int my \ + HIGHBD_DECL_SUFFIX) \ +{ \ + put_8tap_c(dst, dst_stride, src, src_stride, w, h, mx, my, \ + type_h | (type_v << 2) HIGHBD_TAIL_SUFFIX); \ +} \ +static void put_8tap_##type##_scaled_c(pixel *const dst, \ + const ptrdiff_t dst_stride, \ + const pixel *const src, \ + const ptrdiff_t src_stride, \ + const int w, const int h, \ + const int mx, const int my, \ + const int dx, const int dy \ + HIGHBD_DECL_SUFFIX) \ +{ \ + put_8tap_scaled_c(dst, dst_stride, src, src_stride, w, h, mx, my, dx, dy, \ + type_h | (type_v << 2) HIGHBD_TAIL_SUFFIX); \ +} \ +static void prep_8tap_##type##_c(int16_t *const tmp, \ + const pixel *const src, \ + const ptrdiff_t src_stride, \ + const int w, const int h, \ + const int mx, const int my \ + HIGHBD_DECL_SUFFIX) \ +{ \ + prep_8tap_c(tmp, src, src_stride, w, h, mx, my, \ + type_h | (type_v << 2) HIGHBD_TAIL_SUFFIX); \ +} \ +static void prep_8tap_##type##_scaled_c(int16_t *const tmp, \ + const pixel *const src, \ + const ptrdiff_t src_stride, \ + const int w, const int h, \ + const int mx, const int my, \ + const int dx, const int dy \ + HIGHBD_DECL_SUFFIX) \ +{ \ + prep_8tap_scaled_c(tmp, src, src_stride, w, h, mx, my, dx, dy, \ + type_h | (type_v << 2) HIGHBD_TAIL_SUFFIX); \ +} + +filter_fns(regular, DAV1D_FILTER_8TAP_REGULAR, DAV1D_FILTER_8TAP_REGULAR) +filter_fns(regular_sharp, DAV1D_FILTER_8TAP_REGULAR, DAV1D_FILTER_8TAP_SHARP) +filter_fns(regular_smooth, DAV1D_FILTER_8TAP_REGULAR, DAV1D_FILTER_8TAP_SMOOTH) +filter_fns(smooth, DAV1D_FILTER_8TAP_SMOOTH, DAV1D_FILTER_8TAP_SMOOTH) +filter_fns(smooth_regular, DAV1D_FILTER_8TAP_SMOOTH, DAV1D_FILTER_8TAP_REGULAR) +filter_fns(smooth_sharp, DAV1D_FILTER_8TAP_SMOOTH, DAV1D_FILTER_8TAP_SHARP) +filter_fns(sharp, DAV1D_FILTER_8TAP_SHARP, DAV1D_FILTER_8TAP_SHARP) +filter_fns(sharp_regular, DAV1D_FILTER_8TAP_SHARP, DAV1D_FILTER_8TAP_REGULAR) +filter_fns(sharp_smooth, DAV1D_FILTER_8TAP_SHARP, DAV1D_FILTER_8TAP_SMOOTH) + +#define FILTER_BILIN(src, x, mxy, stride) \ + (16 * src[x] + ((mxy) * (src[x + stride] - src[x]))) + +#define FILTER_BILIN_RND(src, x, mxy, stride, sh) \ + ((FILTER_BILIN(src, x, mxy, stride) + ((1 << (sh)) >> 1)) >> (sh)) + +#define FILTER_BILIN_CLIP(src, x, mxy, stride, sh) \ + iclip_pixel(FILTER_BILIN_RND(src, x, mxy, stride, sh)) + +static void put_bilin_c(pixel *dst, ptrdiff_t dst_stride, + const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, const int my + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + const int intermediate_rnd = (1 << intermediate_bits) >> 1; + dst_stride = PXSTRIDE(dst_stride); + src_stride = PXSTRIDE(src_stride); + + if (mx) { + if (my) { + int16_t mid[128 * 129], *mid_ptr = mid; + int tmp_h = h + 1; + + do { + for (int x = 0; x < w; x++) + mid_ptr[x] = FILTER_BILIN_RND(src, x, mx, 1, + 4 - intermediate_bits); + + mid_ptr += 128; + src += src_stride; + } while (--tmp_h); + + mid_ptr = mid; + do { + for (int x = 0; x < w; x++) + dst[x] = FILTER_BILIN_CLIP(mid_ptr, x, my, 128, + 4 + intermediate_bits); + + mid_ptr += 128; + dst += dst_stride; + } while (--h); + } else { + do { + for (int x = 0; x < w; x++) { + const int px = FILTER_BILIN_RND(src, x, mx, 1, + 4 - intermediate_bits); + dst[x] = iclip_pixel((px + intermediate_rnd) >> intermediate_bits); + } + + dst += dst_stride; + src += src_stride; + } while (--h); + } + } else if (my) { + do { + for (int x = 0; x < w; x++) + dst[x] = FILTER_BILIN_CLIP(src, x, my, src_stride, 4); + + dst += dst_stride; + src += src_stride; + } while (--h); + } else + put_c(dst, dst_stride, src, src_stride, w, h); +} + +static void put_bilin_scaled_c(pixel *dst, ptrdiff_t dst_stride, + const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, int my, + const int dx, const int dy + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + int tmp_h = (((h - 1) * dy + my) >> 10) + 2; + int16_t mid[128 * (256 + 1)], *mid_ptr = mid; + + do { + int x; + int imx = mx, ioff = 0; + + for (x = 0; x < w; x++) { + mid_ptr[x] = FILTER_BILIN_RND(src, ioff, imx >> 6, 1, + 4 - intermediate_bits); + imx += dx; + ioff += imx >> 10; + imx &= 0x3ff; + } + + mid_ptr += 128; + src += PXSTRIDE(src_stride); + } while (--tmp_h); + + mid_ptr = mid; + do { + int x; + + for (x = 0; x < w; x++) + dst[x] = FILTER_BILIN_CLIP(mid_ptr, x, my >> 6, 128, + 4 + intermediate_bits); + + my += dy; + mid_ptr += (my >> 10) * 128; + my &= 0x3ff; + dst += PXSTRIDE(dst_stride); + } while (--h); +} + +static void prep_bilin_c(int16_t *tmp, + const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, const int my + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + src_stride = PXSTRIDE(src_stride); + + if (mx) { + if (my) { + int16_t mid[128 * 129], *mid_ptr = mid; + int tmp_h = h + 1; + + do { + for (int x = 0; x < w; x++) + mid_ptr[x] = FILTER_BILIN_RND(src, x, mx, 1, + 4 - intermediate_bits); + + mid_ptr += 128; + src += src_stride; + } while (--tmp_h); + + mid_ptr = mid; + do { + for (int x = 0; x < w; x++) + tmp[x] = FILTER_BILIN_RND(mid_ptr, x, my, 128, 4) - + PREP_BIAS; + + mid_ptr += 128; + tmp += w; + } while (--h); + } else { + do { + for (int x = 0; x < w; x++) + tmp[x] = FILTER_BILIN_RND(src, x, mx, 1, + 4 - intermediate_bits) - + PREP_BIAS; + + tmp += w; + src += src_stride; + } while (--h); + } + } else if (my) { + do { + for (int x = 0; x < w; x++) + tmp[x] = FILTER_BILIN_RND(src, x, my, src_stride, + 4 - intermediate_bits) - PREP_BIAS; + + tmp += w; + src += src_stride; + } while (--h); + } else + prep_c(tmp, src, src_stride, w, h HIGHBD_TAIL_SUFFIX); +} + +static void prep_bilin_scaled_c(int16_t *tmp, + const pixel *src, ptrdiff_t src_stride, + const int w, int h, const int mx, int my, + const int dx, const int dy HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + int tmp_h = (((h - 1) * dy + my) >> 10) + 2; + int16_t mid[128 * (256 + 1)], *mid_ptr = mid; + + do { + int x; + int imx = mx, ioff = 0; + + for (x = 0; x < w; x++) { + mid_ptr[x] = FILTER_BILIN_RND(src, ioff, imx >> 6, 1, + 4 - intermediate_bits); + imx += dx; + ioff += imx >> 10; + imx &= 0x3ff; + } + + mid_ptr += 128; + src += PXSTRIDE(src_stride); + } while (--tmp_h); + + mid_ptr = mid; + do { + int x; + + for (x = 0; x < w; x++) + tmp[x] = FILTER_BILIN_RND(mid_ptr, x, my >> 6, 128, 4) - PREP_BIAS; + + my += dy; + mid_ptr += (my >> 10) * 128; + my &= 0x3ff; + tmp += w; + } while (--h); +} + +static void avg_c(pixel *dst, const ptrdiff_t dst_stride, + const int16_t *tmp1, const int16_t *tmp2, const int w, int h + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + const int sh = intermediate_bits + 1; + const int rnd = (1 << intermediate_bits) + PREP_BIAS * 2; + do { + for (int x = 0; x < w; x++) + dst[x] = iclip_pixel((tmp1[x] + tmp2[x] + rnd) >> sh); + + tmp1 += w; + tmp2 += w; + dst += PXSTRIDE(dst_stride); + } while (--h); +} + +static void w_avg_c(pixel *dst, const ptrdiff_t dst_stride, + const int16_t *tmp1, const int16_t *tmp2, const int w, int h, + const int weight HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + const int sh = intermediate_bits + 4; + const int rnd = (8 << intermediate_bits) + PREP_BIAS * 16; + do { + for (int x = 0; x < w; x++) + dst[x] = iclip_pixel((tmp1[x] * weight + + tmp2[x] * (16 - weight) + rnd) >> sh); + + tmp1 += w; + tmp2 += w; + dst += PXSTRIDE(dst_stride); + } while (--h); +} + +static void mask_c(pixel *dst, const ptrdiff_t dst_stride, + const int16_t *tmp1, const int16_t *tmp2, const int w, int h, + const uint8_t *mask HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + const int sh = intermediate_bits + 6; + const int rnd = (32 << intermediate_bits) + PREP_BIAS * 64; + do { + for (int x = 0; x < w; x++) + dst[x] = iclip_pixel((tmp1[x] * mask[x] + + tmp2[x] * (64 - mask[x]) + rnd) >> sh); + + tmp1 += w; + tmp2 += w; + mask += w; + dst += PXSTRIDE(dst_stride); + } while (--h); +} + +#define blend_px(a, b, m) (((a * (64 - m) + b * m) + 32) >> 6) +static void blend_c(pixel *dst, const ptrdiff_t dst_stride, const pixel *tmp, + const int w, int h, const uint8_t *mask) +{ + do { + for (int x = 0; x < w; x++) { + dst[x] = blend_px(dst[x], tmp[x], mask[x]); + } + dst += PXSTRIDE(dst_stride); + tmp += w; + mask += w; + } while (--h); +} + +static void blend_v_c(pixel *dst, const ptrdiff_t dst_stride, const pixel *tmp, + const int w, int h) +{ + const uint8_t *const mask = &dav1d_obmc_masks[w]; + do { + for (int x = 0; x < (w * 3) >> 2; x++) { + dst[x] = blend_px(dst[x], tmp[x], mask[x]); + } + dst += PXSTRIDE(dst_stride); + tmp += w; + } while (--h); +} + +static void blend_h_c(pixel *dst, const ptrdiff_t dst_stride, const pixel *tmp, + const int w, int h) +{ + const uint8_t *mask = &dav1d_obmc_masks[h]; + h = (h * 3) >> 2; + do { + const int m = *mask++; + for (int x = 0; x < w; x++) { + dst[x] = blend_px(dst[x], tmp[x], m); + } + dst += PXSTRIDE(dst_stride); + tmp += w; + } while (--h); +} + +static void w_mask_c(pixel *dst, const ptrdiff_t dst_stride, + const int16_t *tmp1, const int16_t *tmp2, const int w, int h, + uint8_t *mask, const int sign, + const int ss_hor, const int ss_ver HIGHBD_DECL_SUFFIX) +{ + // store mask at 2x2 resolution, i.e. store 2x1 sum for even rows, + // and then load this intermediate to calculate final value for odd rows + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + const int bitdepth = bitdepth_from_max(bitdepth_max); + const int sh = intermediate_bits + 6; + const int rnd = (32 << intermediate_bits) + PREP_BIAS * 64; + const int mask_sh = bitdepth + intermediate_bits - 4; + const int mask_rnd = 1 << (mask_sh - 5); + do { + for (int x = 0; x < w; x++) { + const int m = imin(38 + ((abs(tmp1[x] - tmp2[x]) + mask_rnd) >> mask_sh), 64); + dst[x] = iclip_pixel((tmp1[x] * m + + tmp2[x] * (64 - m) + rnd) >> sh); + + if (ss_hor) { + x++; + + const int n = imin(38 + ((abs(tmp1[x] - tmp2[x]) + mask_rnd) >> mask_sh), 64); + dst[x] = iclip_pixel((tmp1[x] * n + + tmp2[x] * (64 - n) + rnd) >> sh); + + if (h & ss_ver) { + mask[x >> 1] = (m + n + mask[x >> 1] + 2 - sign) >> 2; + } else if (ss_ver) { + mask[x >> 1] = m + n; + } else { + mask[x >> 1] = (m + n + 1 - sign) >> 1; + } + } else { + mask[x] = m; + } + } + + tmp1 += w; + tmp2 += w; + dst += PXSTRIDE(dst_stride); + if (!ss_ver || (h & 1)) mask += w >> ss_hor; + } while (--h); +} + +#define w_mask_fns(ssn, ss_hor, ss_ver) \ +static void w_mask_##ssn##_c(pixel *const dst, const ptrdiff_t dst_stride, \ + const int16_t *const tmp1, const int16_t *const tmp2, \ + const int w, const int h, uint8_t *mask, \ + const int sign HIGHBD_DECL_SUFFIX) \ +{ \ + w_mask_c(dst, dst_stride, tmp1, tmp2, w, h, mask, sign, ss_hor, ss_ver \ + HIGHBD_TAIL_SUFFIX); \ +} + +w_mask_fns(444, 0, 0); +w_mask_fns(422, 1, 0); +w_mask_fns(420, 1, 1); + +#undef w_mask_fns + +#define FILTER_WARP_RND(src, x, F, stride, sh) \ + ((F[0] * src[x - 3 * stride] + \ + F[1] * src[x - 2 * stride] + \ + F[2] * src[x - 1 * stride] + \ + F[3] * src[x + 0 * stride] + \ + F[4] * src[x + 1 * stride] + \ + F[5] * src[x + 2 * stride] + \ + F[6] * src[x + 3 * stride] + \ + F[7] * src[x + 4 * stride] + \ + ((1 << (sh)) >> 1)) >> (sh)) + +#define FILTER_WARP_CLIP(src, x, F, stride, sh) \ + iclip_pixel(FILTER_WARP_RND(src, x, F, stride, sh)) + +static void warp_affine_8x8_c(pixel *dst, const ptrdiff_t dst_stride, + const pixel *src, const ptrdiff_t src_stride, + const int16_t *const abcd, int mx, int my + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + int16_t mid[15 * 8], *mid_ptr = mid; + + src -= 3 * PXSTRIDE(src_stride); + for (int y = 0; y < 15; y++, mx += abcd[1]) { + for (int x = 0, tmx = mx; x < 8; x++, tmx += abcd[0]) { + const int8_t *const filter = + dav1d_mc_warp_filter[64 + ((tmx + 512) >> 10)]; + + mid_ptr[x] = FILTER_WARP_RND(src, x, filter, 1, + 7 - intermediate_bits); + } + src += PXSTRIDE(src_stride); + mid_ptr += 8; + } + + mid_ptr = &mid[3 * 8]; + for (int y = 0; y < 8; y++, my += abcd[3]) { + for (int x = 0, tmy = my; x < 8; x++, tmy += abcd[2]) { + const int8_t *const filter = + dav1d_mc_warp_filter[64 + ((tmy + 512) >> 10)]; + + dst[x] = FILTER_WARP_CLIP(mid_ptr, x, filter, 8, + 7 + intermediate_bits); + } + mid_ptr += 8; + dst += PXSTRIDE(dst_stride); + } +} + +static void warp_affine_8x8t_c(int16_t *tmp, const ptrdiff_t tmp_stride, + const pixel *src, const ptrdiff_t src_stride, + const int16_t *const abcd, int mx, int my + HIGHBD_DECL_SUFFIX) +{ + const int intermediate_bits = get_intermediate_bits(bitdepth_max); + int16_t mid[15 * 8], *mid_ptr = mid; + + src -= 3 * PXSTRIDE(src_stride); + for (int y = 0; y < 15; y++, mx += abcd[1]) { + for (int x = 0, tmx = mx; x < 8; x++, tmx += abcd[0]) { + const int8_t *const filter = + dav1d_mc_warp_filter[64 + ((tmx + 512) >> 10)]; + + mid_ptr[x] = FILTER_WARP_RND(src, x, filter, 1, + 7 - intermediate_bits); + } + src += PXSTRIDE(src_stride); + mid_ptr += 8; + } + + mid_ptr = &mid[3 * 8]; + for (int y = 0; y < 8; y++, my += abcd[3]) { + for (int x = 0, tmy = my; x < 8; x++, tmy += abcd[2]) { + const int8_t *const filter = + dav1d_mc_warp_filter[64 + ((tmy + 512) >> 10)]; + + tmp[x] = FILTER_WARP_RND(mid_ptr, x, filter, 8, 7) - PREP_BIAS; + } + mid_ptr += 8; + tmp += tmp_stride; + } +} + +static void emu_edge_c(const intptr_t bw, const intptr_t bh, + const intptr_t iw, const intptr_t ih, + const intptr_t x, const intptr_t y, + pixel *dst, const ptrdiff_t dst_stride, + const pixel *ref, const ptrdiff_t ref_stride) +{ + // find offset in reference of visible block to copy + ref += iclip((int) y, 0, (int) ih - 1) * PXSTRIDE(ref_stride) + + iclip((int) x, 0, (int) iw - 1); + + // number of pixels to extend (left, right, top, bottom) + const int left_ext = iclip((int) -x, 0, (int) bw - 1); + const int right_ext = iclip((int) (x + bw - iw), 0, (int) bw - 1); + assert(left_ext + right_ext < bw); + const int top_ext = iclip((int) -y, 0, (int) bh - 1); + const int bottom_ext = iclip((int) (y + bh - ih), 0, (int) bh - 1); + assert(top_ext + bottom_ext < bh); + + // copy visible portion first + pixel *blk = dst + top_ext * PXSTRIDE(dst_stride); + const int center_w = (int) (bw - left_ext - right_ext); + const int center_h = (int) (bh - top_ext - bottom_ext); + for (int y = 0; y < center_h; y++) { + pixel_copy(blk + left_ext, ref, center_w); + // extend left edge for this line + if (left_ext) + pixel_set(blk, blk[left_ext], left_ext); + // extend right edge for this line + if (right_ext) + pixel_set(blk + left_ext + center_w, blk[left_ext + center_w - 1], + right_ext); + ref += PXSTRIDE(ref_stride); + blk += PXSTRIDE(dst_stride); + } + + // copy top + blk = dst + top_ext * PXSTRIDE(dst_stride); + for (int y = 0; y < top_ext; y++) { + pixel_copy(dst, blk, bw); + dst += PXSTRIDE(dst_stride); + } + + // copy bottom + dst += center_h * PXSTRIDE(dst_stride); + for (int y = 0; y < bottom_ext; y++) { + pixel_copy(dst, &dst[-PXSTRIDE(dst_stride)], bw); + dst += PXSTRIDE(dst_stride); + } +} + +static void resize_c(pixel *dst, const ptrdiff_t dst_stride, + const pixel *src, const ptrdiff_t src_stride, + const int dst_w, int h, const int src_w, + const int dx, const int mx0 HIGHBD_DECL_SUFFIX) +{ + do { + int mx = mx0, src_x = -1; + for (int x = 0; x < dst_w; x++) { + const int8_t *const F = dav1d_resize_filter[mx >> 8]; + dst[x] = iclip_pixel((-(F[0] * src[iclip(src_x - 3, 0, src_w - 1)] + + F[1] * src[iclip(src_x - 2, 0, src_w - 1)] + + F[2] * src[iclip(src_x - 1, 0, src_w - 1)] + + F[3] * src[iclip(src_x + 0, 0, src_w - 1)] + + F[4] * src[iclip(src_x + 1, 0, src_w - 1)] + + F[5] * src[iclip(src_x + 2, 0, src_w - 1)] + + F[6] * src[iclip(src_x + 3, 0, src_w - 1)] + + F[7] * src[iclip(src_x + 4, 0, src_w - 1)]) + + 64) >> 7); + mx += dx; + src_x += mx >> 14; + mx &= 0x3fff; + } + + dst += PXSTRIDE(dst_stride); + src += PXSTRIDE(src_stride); + } while (--h); +} + +#if HAVE_ASM +#if ARCH_AARCH64 || ARCH_ARM +#include "src/arm/mc.h" +#elif ARCH_X86 +#include "src/x86/mc.h" +#endif +#endif + +COLD void bitfn(dav1d_mc_dsp_init)(Dav1dMCDSPContext *const c) { +#define init_mc_fns(type, name) do { \ + c->mc [type] = put_##name##_c; \ + c->mc_scaled [type] = put_##name##_scaled_c; \ + c->mct [type] = prep_##name##_c; \ + c->mct_scaled[type] = prep_##name##_scaled_c; \ +} while (0) + + init_mc_fns(FILTER_2D_8TAP_REGULAR, 8tap_regular); + init_mc_fns(FILTER_2D_8TAP_REGULAR_SMOOTH, 8tap_regular_smooth); + init_mc_fns(FILTER_2D_8TAP_REGULAR_SHARP, 8tap_regular_sharp); + init_mc_fns(FILTER_2D_8TAP_SHARP_REGULAR, 8tap_sharp_regular); + init_mc_fns(FILTER_2D_8TAP_SHARP_SMOOTH, 8tap_sharp_smooth); + init_mc_fns(FILTER_2D_8TAP_SHARP, 8tap_sharp); + init_mc_fns(FILTER_2D_8TAP_SMOOTH_REGULAR, 8tap_smooth_regular); + init_mc_fns(FILTER_2D_8TAP_SMOOTH, 8tap_smooth); + init_mc_fns(FILTER_2D_8TAP_SMOOTH_SHARP, 8tap_smooth_sharp); + init_mc_fns(FILTER_2D_BILINEAR, bilin); + + c->avg = avg_c; + c->w_avg = w_avg_c; + c->mask = mask_c; + c->blend = blend_c; + c->blend_v = blend_v_c; + c->blend_h = blend_h_c; + c->w_mask[0] = w_mask_444_c; + c->w_mask[1] = w_mask_422_c; + c->w_mask[2] = w_mask_420_c; + c->warp8x8 = warp_affine_8x8_c; + c->warp8x8t = warp_affine_8x8t_c; + c->emu_edge = emu_edge_c; + c->resize = resize_c; + +#if HAVE_ASM +#if ARCH_AARCH64 || ARCH_ARM + mc_dsp_init_arm(c); +#elif ARCH_X86 + mc_dsp_init_x86(c); +#endif +#endif +} |