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FFmpeg/libavcodec/bit_depth_template.c

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  1. /*

  2.  * This file is part of FFmpeg.

  3.  *

  4.  * FFmpeg 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.  * FFmpeg 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 FFmpeg; 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. #include "libavutil/intreadwrite.h"

  21. 

  22. #ifndef BIT_DEPTH

  23. #define BIT_DEPTH 8

  24. #endif

  25. 

  26. #ifdef AVCODEC_H264_HIGH_DEPTH_H

  27. #   undef pixel

  28. #   undef pixel2

  29. #   undef pixel4

  30. #   undef dctcoef

  31. #   undef INIT_CLIP

  32. #   undef no_rnd_avg_pixel4

  33. #   undef rnd_avg_pixel4

  34. #   undef AV_RN2P

  35. #   undef AV_RN4P

  36. #   undef AV_RN4PA

  37. #   undef AV_WN2P

  38. #   undef AV_WN4P

  39. #   undef AV_WN4PA

  40. #   undef CLIP

  41. #   undef FUNC

  42. #   undef FUNCC

  43. #   undef av_clip_pixel

  44. #   undef PIXEL_SPLAT_X4

  45. #else

  46. #   define AVCODEC_H264_HIGH_DEPTH_H

  47. #endif

  48. 

  49. #if BIT_DEPTH > 8

  50. #   define pixel  uint16_t

  51. #   define pixel2 uint32_t

  52. #   define pixel4 uint64_t

  53. #   define dctcoef int32_t

  54. 

  55. #   define INIT_CLIP

  56. #   define no_rnd_avg_pixel4 no_rnd_avg64

  57. #   define    rnd_avg_pixel4    rnd_avg64

  58. #   define AV_RN2P  AV_RN32

  59. #   define AV_RN4P  AV_RN64

  60. #   define AV_RN4PA AV_RN64A

  61. #   define AV_WN2P  AV_WN32

  62. #   define AV_WN4P  AV_WN64

  63. #   define AV_WN4PA AV_WN64A

  64. #   define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL)

  65. 

  66. #   define av_clip_pixel(a) av_clip_uintp2(a, BIT_DEPTH)

  67. #   define CLIP(a)          av_clip_uintp2(a, BIT_DEPTH)

  68. #else

  69. #   define pixel  uint8_t

  70. #   define pixel2 uint16_t

  71. #   define pixel4 uint32_t

  72. #   define dctcoef int16_t

  73. 

  74. #   define INIT_CLIP

  75. #   define no_rnd_avg_pixel4 no_rnd_avg32

  76. #   define    rnd_avg_pixel4    rnd_avg32

  77. #   define AV_RN2P  AV_RN16

  78. #   define AV_RN4P  AV_RN32

  79. #   define AV_RN4PA AV_RN32A

  80. #   define AV_WN2P  AV_WN16

  81. #   define AV_WN4P  AV_WN32

  82. #   define AV_WN4PA AV_WN32A

  83. #   define PIXEL_SPLAT_X4(x) ((x)*0x01010101U)

  84. 

  85. #   define av_clip_pixel(a) av_clip_uint8(a)

  86. #   define CLIP(a) av_clip_uint8(a)

  87. #endif

  88. 

  89. #define FUNC3(a, b, c)  a ## _ ## b ## c

  90. #define FUNC2(a, b, c)  FUNC3(a, b, c)

  91. #define FUNC(a)  FUNC2(a, BIT_DEPTH,)

  92. #define FUNCC(a) FUNC2(a, BIT_DEPTH, _c)