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164 lines
6.5 KiB
164 lines
6.5 KiB
/* |
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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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ST4x4_UB(in0, in0, 0, 1, 2, 3, src, stride); |
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src += 4 * stride; |
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ST4x4_UB(in3, in3, 0, 1, 2, 3, src, stride); |
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src += 4 * 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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