copy_block.h 2.4 KB

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