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FFmpeg/libavcodec/bit_depth_template.c

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  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 "dsputil.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)