ffmpeg/libavcodec/qpeldsp.h

   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
  82 #endif /* AVCODEC_QPELDSP_H */