/*

  * 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 "mathops.h"

 #include "rnd_avg.h"

 #include "libavutil/intreadwrite.h"

 
 #ifndef BIT_DEPTH
 #define BIT_DEPTH 8
 #endif
 

 #ifdef AVCODEC_BIT_DEPTH_TEMPLATE_C

 #   undef pixel
 #   undef pixel2
 #   undef pixel4
 #   undef dctcoef
 #   undef INIT_CLIP
 #   undef no_rnd_avg_pixel4
 #   undef rnd_avg_pixel4
 #   undef AV_RN2P
 #   undef AV_RN4P

 #   undef AV_RN4PA

 #   undef AV_WN2P
 #   undef AV_WN4P
 #   undef AV_WN4PA
 #   undef CLIP
 #   undef FUNC
 #   undef FUNCC
 #   undef av_clip_pixel
 #   undef PIXEL_SPLAT_X4
 #else

 #   define AVCODEC_BIT_DEPTH_TEMPLATE_C

 #endif
 
 #if BIT_DEPTH > 8
 #   define pixel  uint16_t
 #   define pixel2 uint32_t
 #   define pixel4 uint64_t
 #   define dctcoef int32_t
 
 #   define INIT_CLIP
 #   define no_rnd_avg_pixel4 no_rnd_avg64
 #   define    rnd_avg_pixel4    rnd_avg64
 #   define AV_RN2P  AV_RN32
 #   define AV_RN4P  AV_RN64

 #   define AV_RN4PA AV_RN64A

 #   define AV_WN2P  AV_WN32
 #   define AV_WN4P  AV_WN64
 #   define AV_WN4PA AV_WN64A
 #   define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL)

 
 #   define av_clip_pixel(a) av_clip_uintp2(a, BIT_DEPTH)
 #   define CLIP(a)          av_clip_uintp2(a, BIT_DEPTH)

 #else
 #   define pixel  uint8_t
 #   define pixel2 uint16_t
 #   define pixel4 uint32_t
 #   define dctcoef int16_t
 

 #   define INIT_CLIP

 #   define no_rnd_avg_pixel4 no_rnd_avg32
 #   define    rnd_avg_pixel4    rnd_avg32
 #   define AV_RN2P  AV_RN16
 #   define AV_RN4P  AV_RN32

 #   define AV_RN4PA AV_RN32A

 #   define AV_WN2P  AV_WN16
 #   define AV_WN4P  AV_WN32
 #   define AV_WN4PA AV_WN32A
 #   define PIXEL_SPLAT_X4(x) ((x)*0x01010101U)
 
 #   define av_clip_pixel(a) av_clip_uint8(a)

 #   define CLIP(a) av_clip_uint8(a)

 #endif
 

 #define FUNC3(a, b, c)  a ## _ ## b ## c
 #define FUNC2(a, b, c)  FUNC3(a, b, c)
 #define FUNC(a)  FUNC2(a, BIT_DEPTH,)
 #define FUNCC(a) FUNC2(a, BIT_DEPTH, _c)