/*
  * Copyright (c) 2000, 2001 Fabrice Bellard
  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
  *

  * 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
  */
 
 #define DEF_HPEL(OPNAME, OP) \

 static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\

     int i;\
     for(i=0; i<h; i++){\
         OP(*((pixel2*)(block  )), AV_RN2P(pixels  ));\
         pixels+=line_size;\
         block +=line_size;\
     }\
 }\

 static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\

     int i;\
     for(i=0; i<h; i++){\
         OP(*((pixel4*)(block  )), AV_RN4P(pixels  ));\
         pixels+=line_size;\
         block +=line_size;\
     }\
 }\

 static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\

     int i;\
     for(i=0; i<h; i++){\
         OP(*((pixel4*)(block                )), AV_RN4P(pixels                ));\
         OP(*((pixel4*)(block+4*sizeof(pixel))), AV_RN4P(pixels+4*sizeof(pixel)));\
         pixels+=line_size;\
         block +=line_size;\
     }\
 }\
 \
 static inline void FUNC(OPNAME ## _pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                 int src_stride1, int src_stride2, int h){\
     int i;\
     for(i=0; i<h; i++){\
         pixel4 a,b;\
         a= AV_RN4P(&src1[i*src_stride1  ]);\
         b= AV_RN4P(&src2[i*src_stride2  ]);\
         OP(*((pixel4*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
         a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
         b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
         OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), rnd_avg_pixel4(a, b));\
     }\
 }\
 \
 static inline void FUNC(OPNAME ## _pixels4_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                 int src_stride1, int src_stride2, int h){\
     int i;\
     for(i=0; i<h; i++){\
         pixel4 a,b;\
         a= AV_RN4P(&src1[i*src_stride1  ]);\
         b= AV_RN4P(&src2[i*src_stride2  ]);\
         OP(*((pixel4*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
     }\
 }\
 \
 static inline void FUNC(OPNAME ## _pixels2_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                 int src_stride1, int src_stride2, int h){\
     int i;\
     for(i=0; i<h; i++){\
         pixel4 a,b;\
         a= AV_RN2P(&src1[i*src_stride1  ]);\
         b= AV_RN2P(&src2[i*src_stride2  ]);\
         OP(*((pixel2*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
     }\
 }\
 \
 static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                 int src_stride1, int src_stride2, int h){\
     FUNC(OPNAME ## _pixels8_l2)(dst  , src1  , src2  , dst_stride, src_stride1, src_stride2, h);\
     FUNC(OPNAME ## _pixels8_l2)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, h);\
 }\
 \
 CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16)    , FUNCC(OPNAME ## _pixels8)    , 8*sizeof(pixel))
 
 
 #define op_avg(a, b) a = rnd_avg_pixel4(a, b)
 #define op_put(a, b) a = b
 
 DEF_HPEL(avg, op_avg)
 DEF_HPEL(put, op_put)
 #undef op_avg
 #undef op_put