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  1. /*
  2.  * Copyright (c) 2000, 2001 Fabrice Bellard
  3.  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
  4.  *
  5.  * This file is part of FFmpeg.
  6.  *
  7.  * FFmpeg is free software; you can redistribute it and/or
  8.  * modify it under the terms of the GNU Lesser General Public
  9.  * License as published by the Free Software Foundation; either
  10.  * version 2.1 of the License, or (at your option) any later version.
  11.  *
  12.  * FFmpeg is distributed in the hope that it will be useful,
  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15.  * Lesser General Public License for more details.
  16.  *
  17.  * You should have received a copy of the GNU Lesser General Public
  18.  * License along with FFmpeg; if not, write to the Free Software
  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20.  */
  21.  
  22. #define DEF_HPEL(OPNAME, OP) \
  23. static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
  24.     int i;\
  25.     for(i=0; i<h; i++){\
  26.         OP(*((pixel2*)(block  )), AV_RN2P(pixels  ));\
  27.         pixels+=line_size;\
  28.         block +=line_size;\
  29.     }\
  30. }\
  31. static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
  32.     int i;\
  33.     for(i=0; i<h; i++){\
  34.         OP(*((pixel4*)(block  )), AV_RN4P(pixels  ));\
  35.         pixels+=line_size;\
  36.         block +=line_size;\
  37.     }\
  38. }\
  39. static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
  40.     int i;\
  41.     for(i=0; i<h; i++){\
  42.         OP(*((pixel4*)(block                )), AV_RN4P(pixels                ));\
  43.         OP(*((pixel4*)(block+4*sizeof(pixel))), AV_RN4P(pixels+4*sizeof(pixel)));\
  44.         pixels+=line_size;\
  45.         block +=line_size;\
  46.     }\
  47. }\
  48. \
  49. static inline void FUNC(OPNAME ## _pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
  50.                                                 int src_stride1, int src_stride2, int h){\
  51.     int i;\
  52.     for(i=0; i<h; i++){\
  53.         pixel4 a,b;\
  54.         a= AV_RN4P(&src1[i*src_stride1  ]);\
  55.         b= AV_RN4P(&src2[i*src_stride2  ]);\
  56.         OP(*((pixel4*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
  57.         a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
  58.         b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
  59.         OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), rnd_avg_pixel4(a, b));\
  60.     }\
  61. }\
  62. \
  63. static inline void FUNC(OPNAME ## _pixels4_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
  64.                                                 int src_stride1, int src_stride2, int h){\
  65.     int i;\
  66.     for(i=0; i<h; i++){\
  67.         pixel4 a,b;\
  68.         a= AV_RN4P(&src1[i*src_stride1  ]);\
  69.         b= AV_RN4P(&src2[i*src_stride2  ]);\
  70.         OP(*((pixel4*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
  71.     }\
  72. }\
  73. \
  74. static inline void FUNC(OPNAME ## _pixels2_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
  75.                                                 int src_stride1, int src_stride2, int h){\
  76.     int i;\
  77.     for(i=0; i<h; i++){\
  78.         pixel4 a,b;\
  79.         a= AV_RN2P(&src1[i*src_stride1  ]);\
  80.         b= AV_RN2P(&src2[i*src_stride2  ]);\
  81.         OP(*((pixel2*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
  82.     }\
  83. }\
  84. \
  85. static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
  86.                                                 int src_stride1, int src_stride2, int h){\
  87.     FUNC(OPNAME ## _pixels8_l2)(dst  , src1  , src2  , dst_stride, src_stride1, src_stride2, h);\
  88.     FUNC(OPNAME ## _pixels8_l2)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, h);\
  89. }\
  90. \
  91. CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16)    , FUNCC(OPNAME ## _pixels8)    , 8*sizeof(pixel))
  92.  
  93.  
  94. #define op_avg(a, b) a = rnd_avg_pixel4(a, b)
  95. #define op_put(a, b) a = b
  96.  
  97. DEF_HPEL(avg, op_avg)
  98. DEF_HPEL(put, op_put)
  99. #undef op_avg
  100. #undef op_put
  101.