libavcodec/bit_depth_template.c

   1 /*
   2  * This file is part of Libav.
   3  *
   4  * Libav is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * Libav is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with Libav; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include "rnd_avg.h"
  20
  21 #ifndef BIT_DEPTH
  22 #define BIT_DEPTH 8
  23 #endif
  24
  25 #ifdef AVCODEC_H264_HIGH_DEPTH_H
  26 #   undef pixel
  27 #   undef pixel2
  28 #   undef pixel4
  29 #   undef dctcoef
  30 #   undef INIT_CLIP
  31 #   undef no_rnd_avg_pixel4
  32 #   undef rnd_avg_pixel4
  33 #   undef AV_RN2P
  34 #   undef AV_RN4P
  35 #   undef AV_RN4PA
  36 #   undef AV_WN2P
  37 #   undef AV_WN4P
  38 #   undef AV_WN4PA
  39 #   undef CLIP
  40 #   undef FUNC
  41 #   undef FUNCC
  42 #   undef av_clip_pixel
  43 #   undef PIXEL_SPLAT_X4
  44 #else
  45 #   define AVCODEC_H264_HIGH_DEPTH_H
  46 #endif
  47
  48 #if BIT_DEPTH > 8
  49 #   define pixel  uint16_t
  50 #   define pixel2 uint32_t
  51 #   define pixel4 uint64_t
  52 #   define dctcoef int32_t
  53
  54 #   define INIT_CLIP
  55 #   define no_rnd_avg_pixel4 no_rnd_avg64
  56 #   define    rnd_avg_pixel4    rnd_avg64
  57 #   define AV_RN2P  AV_RN32
  58 #   define AV_RN4P  AV_RN64
  59 #   define AV_RN4PA AV_RN64A
  60 #   define AV_WN2P  AV_WN32
  61 #   define AV_WN4P  AV_WN64
  62 #   define AV_WN4PA AV_WN64A
  63 #   define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL)
  64
  65 #   define av_clip_pixel(a) av_clip_uintp2(a, BIT_DEPTH)
  66 #   define CLIP(a)          av_clip_uintp2(a, BIT_DEPTH)
  67 #else
  68 #   define pixel  uint8_t
  69 #   define pixel2 uint16_t
  70 #   define pixel4 uint32_t
  71 #   define dctcoef int16_t
  72
  73 #   define INIT_CLIP uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
  74 #   define no_rnd_avg_pixel4 no_rnd_avg32
  75 #   define    rnd_avg_pixel4    rnd_avg32
  76 #   define AV_RN2P  AV_RN16
  77 #   define AV_RN4P  AV_RN32
  78 #   define AV_RN4PA AV_RN32A
  79 #   define AV_WN2P  AV_WN16
  80 #   define AV_WN4P  AV_WN32
  81 #   define AV_WN4PA AV_WN32A
  82 #   define PIXEL_SPLAT_X4(x) ((x)*0x01010101U)
  83
  84 #   define av_clip_pixel(a) av_clip_uint8(a)
  85 #   define CLIP(a) cm[a]
  86 #endif
  87
  88 #define FUNC3(a, b, c)  a ## _ ## b ## c
  89 #define FUNC2(a, b, c)  FUNC3(a, b, c)
  90 #define FUNC(a)  FUNC2(a, BIT_DEPTH,)
  91 #define FUNCC(a) FUNC2(a, BIT_DEPTH, _c)