From: Jin Bo <ji...@loongson.cn> ./ffmpeg -i ../1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an before:293 after :295
Change-Id: I5ff6cba4eaca0c4218c0c97b880ca500e35f9c87 Signed-off-by: Hao Chen <chen...@loongson.cn> --- libavcodec/loongarch/Makefile | 3 +- libavcodec/loongarch/h264_deblock_lasx.c | 147 ++++++++++++++++++ libavcodec/loongarch/h264dsp_init_loongarch.c | 2 + libavcodec/loongarch/h264dsp_lasx.h | 6 + 4 files changed, 157 insertions(+), 1 deletion(-) create mode 100644 libavcodec/loongarch/h264_deblock_lasx.c diff --git a/libavcodec/loongarch/Makefile b/libavcodec/loongarch/Makefile index 242a2be290..1e1fe3fd48 100644 --- a/libavcodec/loongarch/Makefile +++ b/libavcodec/loongarch/Makefile @@ -4,4 +4,5 @@ OBJS-$(CONFIG_H264DSP) += loongarch/h264dsp_init_loongarch.o LASX-OBJS-$(CONFIG_H264CHROMA) += loongarch/h264chroma_lasx.o LASX-OBJS-$(CONFIG_H264QPEL) += loongarch/h264qpel_lasx.o LASX-OBJS-$(CONFIG_H264DSP) += loongarch/h264dsp_lasx.o \ - loongarch/h264idct_lasx.o + loongarch/h264idct_lasx.o \ + loongarch/h264_deblock_lasx.o diff --git a/libavcodec/loongarch/h264_deblock_lasx.c b/libavcodec/loongarch/h264_deblock_lasx.c new file mode 100644 index 0000000000..c89bea9a84 --- /dev/null +++ b/libavcodec/loongarch/h264_deblock_lasx.c @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + * Contributed by Xiwei Gu <guxiwei...@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_lasx.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); +} diff --git a/libavcodec/loongarch/h264dsp_init_loongarch.c b/libavcodec/loongarch/h264dsp_init_loongarch.c index 0985c2fe8a..37633c3e51 100644 --- a/libavcodec/loongarch/h264dsp_init_loongarch.c +++ b/libavcodec/loongarch/h264dsp_init_loongarch.c @@ -29,6 +29,8 @@ av_cold void ff_h264dsp_init_loongarch(H264DSPContext *c, const int bit_depth, int cpu_flags = av_get_cpu_flags(); if (have_lasx(cpu_flags)) { + if (chroma_format_idc <= 1) + c->h264_loop_filter_strength = ff_h264_loop_filter_strength_lasx; if (bit_depth == 8) { c->h264_add_pixels4_clear = ff_h264_add_pixels4_8_lasx; c->h264_add_pixels8_clear = ff_h264_add_pixels8_8_lasx; diff --git a/libavcodec/loongarch/h264dsp_lasx.h b/libavcodec/loongarch/h264dsp_lasx.h index bfd567fffa..4cf813750b 100644 --- a/libavcodec/loongarch/h264dsp_lasx.h +++ b/libavcodec/loongarch/h264dsp_lasx.h @@ -88,4 +88,10 @@ void ff_h264_idct_add16_intra_lasx(uint8_t *dst, const int32_t *blk_offset, const uint8_t nzc[15 * 8]); void ff_h264_deq_idct_luma_dc_lasx(int16_t *dst, int16_t *src, int32_t de_qval); + +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); + #endif // #ifndef AVCODEC_LOONGARCH_H264DSP_LASX_H -- 2.20.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".