162 lines
6.4 KiB
C
162 lines
6.4 KiB
C
/*
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* Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/mips/generic_macros_msa.h"
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#include "h263dsp_mips.h"
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static const uint8_t h263_loop_filter_strength_msa[32] = {
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0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7,
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7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12
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};
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static void h263_h_loop_filter_msa(uint8_t *src, int32_t stride, int32_t qscale)
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{
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int32_t strength = h263_loop_filter_strength_msa[qscale];
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v16u8 in0, in1, in2, in3, in4, in5, in6, in7;
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v8i16 temp0, temp1, temp2;
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v8i16 diff0, diff2, diff4, diff6, diff8;
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v8i16 d0, a_d0, str_x2, str;
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src -= 2;
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LD_UB8(src, stride, in0, in1, in2, in3, in4, in5, in6, in7);
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TRANSPOSE8x4_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7,
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in0, in3, in2, in1);
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temp0 = (v8i16) __msa_ilvr_b((v16i8) in0, (v16i8) in1);
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a_d0 = __msa_hsub_u_h((v16u8) temp0, (v16u8) temp0);
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temp2 = (v8i16) __msa_ilvr_b((v16i8) in2, (v16i8) in3);
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temp2 = __msa_hsub_u_h((v16u8) temp2, (v16u8) temp2);
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temp2 <<= 2;
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diff0 = a_d0 + temp2;
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diff2 = -(-diff0 >> 3);
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str_x2 = __msa_fill_h(-(strength << 1));
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temp0 = (str_x2 <= diff2);
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diff2 = (v8i16) __msa_bmz_v((v16u8) diff2, (v16u8) temp0, (v16u8) temp0);
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temp2 = str_x2 - diff2;
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str = __msa_fill_h(-strength);
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temp0 = (diff2 < str);
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diff2 = (v8i16) __msa_bmnz_v((v16u8) diff2, (v16u8) temp2, (v16u8) temp0);
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diff4 = diff0 >> 3;
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str_x2 = __msa_fill_h(strength << 1);
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temp0 = (diff4 <= str_x2);
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diff4 = (v8i16) __msa_bmz_v((v16u8) diff4, (v16u8) temp0, (v16u8) temp0);
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temp2 = str_x2 - diff4;
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str = __msa_fill_h(strength);
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temp0 = (str < diff4);
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diff4 = (v8i16) __msa_bmnz_v((v16u8) diff4, (v16u8) temp2, (v16u8) temp0);
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temp0 = __msa_clti_s_h(diff0, 0);
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d0 = (v8i16) __msa_bmnz_v((v16u8) diff4, (v16u8) diff2, (v16u8) temp0);
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diff2 = -diff2 >> 1;
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diff4 >>= 1;
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diff8 = (v8i16) __msa_bmnz_v((v16u8) diff4, (v16u8) diff2, (v16u8) temp0);
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diff6 = (-a_d0) >> 2;
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diff6 = -(diff6);
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temp2 = -diff8;
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temp0 = (diff6 < temp2);
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diff6 = (v8i16) __msa_bmnz_v((v16u8) diff6, (v16u8) temp2, (v16u8) temp0);
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diff2 = a_d0 >> 2;
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temp0 = (diff2 <= diff8);
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diff2 = (v8i16) __msa_bmz_v((v16u8) diff2, (v16u8) diff8, (v16u8) temp0);
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temp0 = __msa_clti_s_h(a_d0, 0);
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diff6 = (v8i16) __msa_bmz_v((v16u8) diff6, (v16u8) diff2, (v16u8) temp0);
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PCKEV_B2_SH(a_d0, diff6, a_d0, d0, diff6, d0);
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in0 = (v16u8) ((v16i8) in0 - (v16i8) diff6);
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in1 = (v16u8) ((v16i8) in1 + (v16i8) diff6);
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in3 = __msa_xori_b(in3, 128);
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in3 = (v16u8) __msa_adds_s_b((v16i8) in3, (v16i8) d0);
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in3 = __msa_xori_b(in3, 128);
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in2 = __msa_subsus_u_b(in2, (v16i8) d0);
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ILVR_B2_SH(in3, in0, in1, in2, temp0, temp1);
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in0 = (v16u8) __msa_ilvr_h(temp1, temp0);
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in3 = (v16u8) __msa_ilvl_h(temp1, temp0);
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ST_W8(in0, in3, 0, 1, 2, 3, 0, 1, 2, 3, src, stride);
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}
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static void h263_v_loop_filter_msa(uint8_t *src, int32_t stride, int32_t qscale)
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{
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int32_t strength = h263_loop_filter_strength_msa[qscale];
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uint64_t res0, res1, res2, res3;
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v16u8 in0, in1, in2, in3;
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v8i16 temp0, temp2, diff0, diff2, diff4, diff6, diff8;
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v8i16 d0, a_d0, str_x2, str;
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src -= 2 * stride;
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LD_UB4(src, stride, in0, in3, in2, in1);
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temp0 = (v8i16) __msa_ilvr_b((v16i8) in0, (v16i8) in1);
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a_d0 = __msa_hsub_u_h((v16u8) temp0, (v16u8) temp0);
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temp2 = (v8i16) __msa_ilvr_b((v16i8) in2, (v16i8) in3);
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temp2 = __msa_hsub_u_h((v16u8) temp2, (v16u8) temp2);
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temp2 <<= 2;
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diff0 = a_d0 + temp2;
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diff2 = -(-diff0 >> 3);
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str_x2 = __msa_fill_h(-(strength << 1));
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temp0 = (str_x2 <= diff2);
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diff2 = (v8i16) __msa_bmz_v((v16u8) diff2, (v16u8) temp0, (v16u8) temp0);
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temp2 = str_x2 - diff2;
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str = __msa_fill_h(-strength);
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temp0 = (diff2 < str);
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diff2 = (v8i16) __msa_bmnz_v((v16u8) diff2, (v16u8) temp2, (v16u8) temp0);
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diff4 = diff0 >> 3;
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str_x2 = __msa_fill_h(strength << 1);
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temp0 = (diff4 <= str_x2);
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diff4 = (v8i16) __msa_bmz_v((v16u8) diff4, (v16u8) temp0, (v16u8) temp0);
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temp2 = str_x2 - diff4;
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str = __msa_fill_h(strength);
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temp0 = (str < diff4);
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diff4 = (v8i16) __msa_bmnz_v((v16u8) diff4, (v16u8) temp2, (v16u8) temp0);
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temp0 = __msa_clti_s_h(diff0, 0);
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d0 = (v8i16) __msa_bmnz_v((v16u8) diff4, (v16u8) diff2, (v16u8) temp0);
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diff2 = -diff2 >> 1;
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diff4 >>= 1;
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diff8 = (v8i16) __msa_bmnz_v((v16u8) diff4, (v16u8) diff2, (v16u8) temp0);
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diff6 = (-a_d0) >> 2;
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diff6 = -(diff6);
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temp2 = -diff8;
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temp0 = (diff6 < temp2);
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diff6 = (v8i16) __msa_bmnz_v((v16u8) diff6, (v16u8) temp2, (v16u8) temp0);
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diff2 = a_d0 >> 2;
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temp0 = (diff2 <= diff8);
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diff2 = (v8i16) __msa_bmz_v((v16u8) diff2, (v16u8) diff8, (v16u8) temp0);
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temp0 = __msa_clti_s_h(a_d0, 0);
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diff6 = (v8i16) __msa_bmz_v((v16u8) diff6, (v16u8) diff2, (v16u8) temp0);
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PCKEV_B2_SH(a_d0, diff6, a_d0, d0, diff6, d0);
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in0 = (v16u8) ((v16i8) in0 - (v16i8) diff6);
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in1 = (v16u8) ((v16i8) in1 + (v16i8) diff6);
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in3 = __msa_xori_b(in3, 128);
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in3 = (v16u8) __msa_adds_s_b((v16i8) in3, (v16i8) d0);
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in3 = __msa_xori_b(in3, 128);
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in2 = __msa_subsus_u_b(in2, (v16i8) d0);
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res0 = __msa_copy_u_d((v2i64) in0, 0);
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res1 = __msa_copy_u_d((v2i64) in3, 0);
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res2 = __msa_copy_u_d((v2i64) in2, 0);
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res3 = __msa_copy_u_d((v2i64) in1, 0);
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SD4(res0, res1, res2, res3, src, stride);
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}
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void ff_h263_h_loop_filter_msa(uint8_t *src, int32_t stride, int32_t q_scale)
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{
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h263_h_loop_filter_msa(src, stride, q_scale);
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}
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void ff_h263_v_loop_filter_msa(uint8_t *src, int32_t stride, int32_t q_scale)
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{
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h263_v_loop_filter_msa(src, stride, q_scale);
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}
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