/*

  * 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 <stdint.h>
 
 #include "config.h"
 #include "libavutil/attributes.h"
 #include "avcodec.h"
 #include "pixblockdsp.h"
 
 #define BIT_DEPTH 16
 #include "pixblockdsp_template.c"
 #undef BIT_DEPTH
 
 #define BIT_DEPTH 8
 #include "pixblockdsp_template.c"
 

 static void diff_pixels_c(int16_t *av_restrict block, const uint8_t *s1,

                           const uint8_t *s2, int stride)
 {
     int i;
 
     /* read the pixels */
     for (i = 0; i < 8; i++) {
         block[0] = s1[0] - s2[0];
         block[1] = s1[1] - s2[1];
         block[2] = s1[2] - s2[2];
         block[3] = s1[3] - s2[3];
         block[4] = s1[4] - s2[4];
         block[5] = s1[5] - s2[5];
         block[6] = s1[6] - s2[6];
         block[7] = s1[7] - s2[7];
         s1      += stride;
         s2      += stride;
         block   += 8;
     }
 }
 
 av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
 {
     const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
 
     c->diff_pixels = diff_pixels_c;
 
     switch (avctx->bits_per_raw_sample) {
     case 9:
     case 10:

     case 12:
     case 14:

         c->get_pixels = get_pixels_16_c;
         break;
     default:

         if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
             c->get_pixels = get_pixels_8_c;
         }

         break;
     }
 

     if (ARCH_ALPHA)
         ff_pixblockdsp_init_alpha(c, avctx, high_bit_depth);

     if (ARCH_ARM)
         ff_pixblockdsp_init_arm(c, avctx, high_bit_depth);
     if (ARCH_PPC)
         ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
     if (ARCH_X86)
         ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);

     if (ARCH_MIPS)
         ff_pixblockdsp_init_mips(c, avctx, high_bit_depth);

 }