/*
  * This file is part of FFmpeg.
  *
  * Copyright (c) 2006 Industrial Light & Magic, a division of Lucas Digital Ltd. LLC
  *
  * 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 <stdint.h>
 
 #include "libavutil/attributes.h"
 #include "exrdsp.h"
 #include "config.h"
 

 static void reorder_pixels_scalar(uint8_t *dst, const uint8_t *src, ptrdiff_t size)

 {
     const uint8_t *t1 = src;
     int half_size     = size / 2;
     const uint8_t *t2 = src + half_size;
     uint8_t *s        = dst;
     int i;
 
     for (i = 0; i < half_size; i++) {
         *(s++) = *(t1++);
         *(s++) = *(t2++);
     }
 }
 

 static void predictor_scalar(uint8_t *src, ptrdiff_t size)
 {
     ptrdiff_t i;
 
     for (i = 1; i < size; i++)
         src[i] += src[i-1] - 128;
 }
 

 av_cold void ff_exrdsp_init(ExrDSPContext *c)
 {
     c->reorder_pixels   = reorder_pixels_scalar;

     c->predictor        = predictor_scalar;

 
     if (ARCH_X86)
         ff_exrdsp_init_x86(c);
 }