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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. #ifndef AVCODEC_COPY_BLOCK_H
  20. #define AVCODEC_COPY_BLOCK_H
  21.  
  22. #include <stdint.h>
  23.  
  24. #include "libavutil/intreadwrite.h"
  25.  
  26. static inline void copy_block2(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  27. {
  28.     int i;
  29.     for(i=0; i<h; i++)
  30.     {
  31.         AV_COPY16U(dst, src);
  32.         dst+=dstStride;
  33.         src+=srcStride;
  34.     }
  35. }
  36.  
  37. static inline void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  38. {
  39.     int i;
  40.     for(i=0; i<h; i++)
  41.     {
  42.         AV_COPY32U(dst, src);
  43.         dst+=dstStride;
  44.         src+=srcStride;
  45.     }
  46. }
  47.  
  48. static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  49. {
  50.     int i;
  51.     for(i=0; i<h; i++)
  52.     {
  53.         AV_COPY64U(dst, src);
  54.         dst+=dstStride;
  55.         src+=srcStride;
  56.     }
  57. }
  58.  
  59. static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  60. {
  61.     int i;
  62.     for(i=0; i<h; i++)
  63.     {
  64.         AV_COPY128U(dst, src);
  65.         dst+=dstStride;
  66.         src+=srcStride;
  67.     }
  68. }
  69.  
  70. static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  71. {
  72.     int i;
  73.     for(i=0; i<h; i++)
  74.     {
  75.         AV_COPY64U(dst, src);
  76.         dst[8]= src[8];
  77.         dst+=dstStride;
  78.         src+=srcStride;
  79.     }
  80. }
  81.  
  82. static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  83. {
  84.     int i;
  85.     for(i=0; i<h; i++)
  86.     {
  87.         AV_COPY128U(dst, src);
  88.         dst[16]= src[16];
  89.         dst+=dstStride;
  90.         src+=srcStride;
  91.     }
  92. }
  93.  
  94. #endif /* AVCODEC_COPY_BLOCK_H */
  95.