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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.         AV_COPY32U(dst, src);
  42.         dst += dstStride;
  43.         src += srcStride;
  44.     }
  45. }
  46.  
  47. static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  48. {
  49.     int i;
  50.     for (i = 0; i < h; i++) {
  51.         AV_COPY64U(dst, src);
  52.         dst += dstStride;
  53.         src += srcStride;
  54.     }
  55. }
  56.  
  57. static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  58. {
  59.     int i;
  60.     for (i = 0; i < h; i++) {
  61.         AV_COPY64U(dst, src);
  62.         dst[8] = src[8];
  63.         dst   += dstStride;
  64.         src   += srcStride;
  65.     }
  66. }
  67.  
  68. static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  69. {
  70.     int i;
  71.     for (i = 0; i < h; i++) {
  72.         AV_COPY128U(dst, src);
  73.         dst += dstStride;
  74.         src += srcStride;
  75.     }
  76. }
  77.  
  78. static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
  79. {
  80.     int i;
  81.     for (i = 0; i < h; i++) {
  82.         AV_COPY128U(dst, src);
  83.         dst[16] = src[16];
  84.         dst    += dstStride;
  85.         src    += srcStride;
  86.     }
  87. }
  88.  
  89. #endif /* AVCODEC_COPY_BLOCK_H */
  90.