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  1. /*
  2.  * quarterpel DSP functions
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. /**
  22.  * @file
  23.  * quarterpel DSP functions
  24.  */
  25.  
  26. #ifndef AVCODEC_QPELDSP_H
  27. #define AVCODEC_QPELDSP_H
  28.  
  29. #include <stddef.h>
  30. #include <stdint.h>
  31.  
  32. void ff_put_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
  33. void ff_avg_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
  34. void ff_put_pixels16x16_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
  35. void ff_avg_pixels16x16_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
  36.  
  37. void ff_put_pixels8_l2_8(uint8_t *dst, const uint8_t *src1, const uint8_t *src2,
  38.                          int dst_stride, int src_stride1, int src_stride2,
  39.                          int h);
  40.  
  41. #define DEF_OLD_QPEL(name)                                              \
  42. void ff_put_        ## name(uint8_t *dst /* align width (8 or 16) */,   \
  43.                             const uint8_t *src /* align 1 */,           \
  44.                             ptrdiff_t stride);                          \
  45. void ff_put_no_rnd_ ## name(uint8_t *dst /* align width (8 or 16) */,   \
  46.                             const uint8_t *src /* align 1 */,           \
  47.                             ptrdiff_t stride);                          \
  48. void ff_avg_        ## name(uint8_t *dst /* align width (8 or 16) */,   \
  49.                             const uint8_t *src /* align 1 */,           \
  50.                             ptrdiff_t stride);
  51.  
  52. DEF_OLD_QPEL(qpel16_mc11_old_c)
  53. DEF_OLD_QPEL(qpel16_mc31_old_c)
  54. DEF_OLD_QPEL(qpel16_mc12_old_c)
  55. DEF_OLD_QPEL(qpel16_mc32_old_c)
  56. DEF_OLD_QPEL(qpel16_mc13_old_c)
  57. DEF_OLD_QPEL(qpel16_mc33_old_c)
  58. DEF_OLD_QPEL(qpel8_mc11_old_c)
  59. DEF_OLD_QPEL(qpel8_mc31_old_c)
  60. DEF_OLD_QPEL(qpel8_mc12_old_c)
  61. DEF_OLD_QPEL(qpel8_mc32_old_c)
  62. DEF_OLD_QPEL(qpel8_mc13_old_c)
  63. DEF_OLD_QPEL(qpel8_mc33_old_c)
  64.  
  65. typedef void (*qpel_mc_func)(uint8_t *dst /* align width (8 or 16) */,
  66.                              const uint8_t *src /* align 1 */,
  67.                              ptrdiff_t stride);
  68.  
  69. /**
  70.  * quarterpel DSP context
  71.  */
  72. typedef struct QpelDSPContext {
  73.     qpel_mc_func put_qpel_pixels_tab[2][16];
  74.     qpel_mc_func avg_qpel_pixels_tab[2][16];
  75.     qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
  76. } QpelDSPContext;
  77.  
  78. void ff_qpeldsp_init(QpelDSPContext *c);
  79.  
  80. void ff_qpeldsp_init_x86(QpelDSPContext *c);
  81. void ff_qpeldsp_init_mips(QpelDSPContext *c);
  82.  
  83. #endif /* AVCODEC_QPELDSP_H */
  84.