| /* |
| * Copyright (c) 2021 Loongson Technology Corporation Limited |
| * Contributed by Xiwei Gu <guxiwei-hf@loongson.cn> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavcodec/bit_depth_template.c" |
| #include "h264dsp_loongarch.h" |
| #include "libavutil/loongarch/loongson_intrinsics.h" |
| |
| #define H264_LOOP_FILTER_STRENGTH_ITERATION_LASX(edges, step, mask_mv, dir, \ |
| d_idx, mask_dir) \ |
| do { \ |
| int b_idx = 0; \ |
| int step_x4 = step << 2; \ |
| int d_idx_12 = d_idx + 12; \ |
| int d_idx_52 = d_idx + 52; \ |
| int d_idx_x4 = d_idx << 2; \ |
| int d_idx_x4_48 = d_idx_x4 + 48; \ |
| int dir_x32 = dir * 32; \ |
| uint8_t *ref_t = (uint8_t*)ref; \ |
| uint8_t *mv_t = (uint8_t*)mv; \ |
| uint8_t *nnz_t = (uint8_t*)nnz; \ |
| uint8_t *bS_t = (uint8_t*)bS; \ |
| mask_mv <<= 3; \ |
| for (; b_idx < edges; b_idx += step) { \ |
| out &= mask_dir; \ |
| if (!(mask_mv & b_idx)) { \ |
| if (bidir) { \ |
| ref2 = __lasx_xvldx(ref_t, d_idx_12); \ |
| ref3 = __lasx_xvldx(ref_t, d_idx_52); \ |
| ref0 = __lasx_xvld(ref_t, 12); \ |
| ref1 = __lasx_xvld(ref_t, 52); \ |
| ref2 = __lasx_xvilvl_w(ref3, ref2); \ |
| ref0 = __lasx_xvilvl_w(ref0, ref0); \ |
| ref1 = __lasx_xvilvl_w(ref1, ref1); \ |
| ref3 = __lasx_xvshuf4i_w(ref2, 0xB1); \ |
| ref0 = __lasx_xvsub_b(ref0, ref2); \ |
| ref1 = __lasx_xvsub_b(ref1, ref3); \ |
| ref0 = __lasx_xvor_v(ref0, ref1); \ |
| \ |
| tmp2 = __lasx_xvldx(mv_t, d_idx_x4_48); \ |
| tmp3 = __lasx_xvld(mv_t, 48); \ |
| tmp4 = __lasx_xvld(mv_t, 208); \ |
| tmp5 = __lasx_xvld(mv_t + d_idx_x4, 208); \ |
| DUP2_ARG3(__lasx_xvpermi_q, tmp2, tmp2, 0x20, tmp5, tmp5, \ |
| 0x20, tmp2, tmp5); \ |
| tmp3 = __lasx_xvpermi_q(tmp4, tmp3, 0x20); \ |
| tmp2 = __lasx_xvsub_h(tmp2, tmp3); \ |
| tmp5 = __lasx_xvsub_h(tmp5, tmp3); \ |
| DUP2_ARG2(__lasx_xvsat_h, tmp2, 7, tmp5, 7, tmp2, tmp5); \ |
| tmp0 = __lasx_xvpickev_b(tmp5, tmp2); \ |
| tmp0 = __lasx_xvpermi_d(tmp0, 0xd8); \ |
| tmp0 = __lasx_xvadd_b(tmp0, cnst_1); \ |
| tmp0 = __lasx_xvssub_bu(tmp0, cnst_0); \ |
| tmp0 = __lasx_xvsat_h(tmp0, 7); \ |
| tmp0 = __lasx_xvpickev_b(tmp0, tmp0); \ |
| tmp0 = __lasx_xvpermi_d(tmp0, 0xd8); \ |
| tmp1 = __lasx_xvpickod_d(tmp0, tmp0); \ |
| out = __lasx_xvor_v(ref0, tmp0); \ |
| tmp1 = __lasx_xvshuf4i_w(tmp1, 0xB1); \ |
| out = __lasx_xvor_v(out, tmp1); \ |
| tmp0 = __lasx_xvshuf4i_w(out, 0xB1); \ |
| out = __lasx_xvmin_bu(out, tmp0); \ |
| } else { \ |
| ref0 = __lasx_xvldx(ref_t, d_idx_12); \ |
| ref3 = __lasx_xvld(ref_t, 12); \ |
| tmp2 = __lasx_xvldx(mv_t, d_idx_x4_48); \ |
| tmp3 = __lasx_xvld(mv_t, 48); \ |
| tmp4 = __lasx_xvsub_h(tmp3, tmp2); \ |
| tmp1 = __lasx_xvsat_h(tmp4, 7); \ |
| tmp1 = __lasx_xvpickev_b(tmp1, tmp1); \ |
| tmp1 = __lasx_xvadd_b(tmp1, cnst_1); \ |
| out = __lasx_xvssub_bu(tmp1, cnst_0); \ |
| out = __lasx_xvsat_h(out, 7); \ |
| out = __lasx_xvpickev_b(out, out); \ |
| ref0 = __lasx_xvsub_b(ref3, ref0); \ |
| out = __lasx_xvor_v(out, ref0); \ |
| } \ |
| } \ |
| tmp0 = __lasx_xvld(nnz_t, 12); \ |
| tmp1 = __lasx_xvldx(nnz_t, d_idx_12); \ |
| tmp0 = __lasx_xvor_v(tmp0, tmp1); \ |
| tmp0 = __lasx_xvmin_bu(tmp0, cnst_2); \ |
| out = __lasx_xvmin_bu(out, cnst_2); \ |
| tmp0 = __lasx_xvslli_h(tmp0, 1); \ |
| tmp0 = __lasx_xvmax_bu(out, tmp0); \ |
| tmp0 = __lasx_vext2xv_hu_bu(tmp0); \ |
| __lasx_xvstelm_d(tmp0, bS_t + dir_x32, 0, 0); \ |
| ref_t += step; \ |
| mv_t += step_x4; \ |
| nnz_t += step; \ |
| bS_t += step; \ |
| } \ |
| } while(0) |
| |
| void ff_h264_loop_filter_strength_lasx(int16_t bS[2][4][4], uint8_t nnz[40], |
| int8_t ref[2][40], int16_t mv[2][40][2], |
| int bidir, int edges, int step, |
| int mask_mv0, int mask_mv1, int field) |
| { |
| __m256i out; |
| __m256i ref0, ref1, ref2, ref3; |
| __m256i tmp0, tmp1; |
| __m256i tmp2, tmp3, tmp4, tmp5; |
| __m256i cnst_0, cnst_1, cnst_2; |
| __m256i zero = __lasx_xvldi(0); |
| __m256i one = __lasx_xvnor_v(zero, zero); |
| int64_t cnst3 = 0x0206020602060206, cnst4 = 0x0103010301030103; |
| if (field) { |
| cnst_0 = __lasx_xvreplgr2vr_d(cnst3); |
| cnst_1 = __lasx_xvreplgr2vr_d(cnst4); |
| cnst_2 = __lasx_xvldi(0x01); |
| } else { |
| DUP2_ARG1(__lasx_xvldi, 0x06, 0x03, cnst_0, cnst_1); |
| cnst_2 = __lasx_xvldi(0x01); |
| } |
| step <<= 3; |
| edges <<= 3; |
| |
| H264_LOOP_FILTER_STRENGTH_ITERATION_LASX(edges, step, mask_mv1, |
| 1, -8, zero); |
| H264_LOOP_FILTER_STRENGTH_ITERATION_LASX(32, 8, mask_mv0, 0, -1, one); |
| |
| DUP2_ARG2(__lasx_xvld, (int8_t*)bS, 0, (int8_t*)bS, 16, tmp0, tmp1); |
| DUP2_ARG2(__lasx_xvilvh_d, tmp0, tmp0, tmp1, tmp1, tmp2, tmp3); |
| LASX_TRANSPOSE4x4_H(tmp0, tmp2, tmp1, tmp3, tmp2, tmp3, tmp4, tmp5); |
| __lasx_xvstelm_d(tmp2, (int8_t*)bS, 0, 0); |
| __lasx_xvstelm_d(tmp3, (int8_t*)bS + 8, 0, 0); |
| __lasx_xvstelm_d(tmp4, (int8_t*)bS + 16, 0, 0); |
| __lasx_xvstelm_d(tmp5, (int8_t*)bS + 24, 0, 0); |
| } |
