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  1. /*
  2.  * Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #include "h263dsp_mips.h"
  22. #include "libavutil/mips/generic_macros_msa.h"
  23.  
  24. static int32_t sum_u8src_16width_msa(uint8_t *src, int32_t stride)
  25. {
  26.     uint32_t sum = 0;
  27.     v16u8 in0, in1, in2, in3, in4, in5, in6, in7;
  28.     v16u8 in8, in9, in10, in11, in12, in13, in14, in15;
  29.  
  30.     LD_UB8(src, stride, in0, in1, in2, in3, in4, in5, in6, in7);
  31.     src += (8 * stride);
  32.     LD_UB8(src, stride, in8, in9, in10, in11, in12, in13, in14, in15);
  33.  
  34.     HADD_UB4_UB(in0, in1, in2, in3, in0, in1, in2, in3);
  35.     HADD_UB4_UB(in4, in5, in6, in7, in4, in5, in6, in7);
  36.     HADD_UB4_UB(in8, in9, in10, in11, in8, in9, in10, in11);
  37.     HADD_UB4_UB(in12, in13, in14, in15, in12, in13, in14, in15);
  38.  
  39.     sum = HADD_UH_U32(in0);
  40.     sum += HADD_UH_U32(in1);
  41.     sum += HADD_UH_U32(in2);
  42.     sum += HADD_UH_U32(in3);
  43.     sum += HADD_UH_U32(in4);
  44.     sum += HADD_UH_U32(in5);
  45.     sum += HADD_UH_U32(in6);
  46.     sum += HADD_UH_U32(in7);
  47.     sum += HADD_UH_U32(in8);
  48.     sum += HADD_UH_U32(in9);
  49.     sum += HADD_UH_U32(in10);
  50.     sum += HADD_UH_U32(in11);
  51.     sum += HADD_UH_U32(in12);
  52.     sum += HADD_UH_U32(in13);
  53.     sum += HADD_UH_U32(in14);
  54.     sum += HADD_UH_U32(in15);
  55.  
  56.     return sum;
  57. }
  58.  
  59. int ff_pix_sum_msa(uint8_t *pix, int line_size)
  60. {
  61.     return sum_u8src_16width_msa(pix, line_size);
  62. }
  63.