libavcodec/pel_template.c
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 /*
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  * This file is part of FFmpeg.
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  *
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  * FFmpeg is free software; you can redistribute it and/or
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  * 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.
  *
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  * FFmpeg is distributed in the hope that it will be useful,
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  * 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
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  * License along with FFmpeg; if not, write to the Free Software
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  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "libavutil/intreadwrite.h"
 #include "pixels.h"
 #include "rnd_avg.h"
 
 #include "bit_depth_template.c"
 
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 #define DEF_PEL(OPNAME, OP)                                             \
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 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;                                            \
     }                                                                   \
 }                                                                       \
                                                                         \
 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
 
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 DEF_PEL(avg, op_avg)
 DEF_PEL(put, op_put)
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 #undef op_avg
 #undef op_put