text: /*
   * Copyright © 2018, VideoLAN and dav1d authors
   * Copyright © 2018, Two Orioles, LLC
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef DAV1D_SRC_MC_H
  #define DAV1D_SRC_MC_H
  
  #include <stdint.h>
  #include <stddef.h>
  
  #include "common/bitdepth.h"
  
  #include "src/levels.h"
  
  #define decl_mc_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const pixel *src, ptrdiff_t src_stride, \
              int w, int h, int mx, int my HIGHBD_DECL_SUFFIX)
  typedef decl_mc_fn(*mc_fn);
  
  #define decl_mc_scaled_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const pixel *src, ptrdiff_t src_stride, \
              int w, int h, int mx, int my, int dx, int dy HIGHBD_DECL_SUFFIX)
  typedef decl_mc_scaled_fn(*mc_scaled_fn);
  
  #define decl_warp8x8_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const pixel *src, ptrdiff_t src_stride, \
              const int16_t *abcd, int mx, int my HIGHBD_DECL_SUFFIX)
  typedef decl_warp8x8_fn(*warp8x8_fn);
  
  #define decl_mct_fn(name) \
  void (name)(int16_t *tmp, const pixel *src, ptrdiff_t src_stride, \
              int w, int h, int mx, int my HIGHBD_DECL_SUFFIX)
  typedef decl_mct_fn(*mct_fn);
  
  #define decl_mct_scaled_fn(name) \
  void (name)(int16_t *tmp, const pixel *src, ptrdiff_t src_stride, \
              int w, int h, int mx, int my, int dx, int dy HIGHBD_DECL_SUFFIX)
  typedef decl_mct_scaled_fn(*mct_scaled_fn);
  
  #define decl_warp8x8t_fn(name) \
  void (name)(int16_t *tmp, const ptrdiff_t tmp_stride, \
              const pixel *src, ptrdiff_t src_stride, \
              const int16_t *abcd, int mx, int my HIGHBD_DECL_SUFFIX)
  typedef decl_warp8x8t_fn(*warp8x8t_fn);
  
  #define decl_avg_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const int16_t *tmp1, const int16_t *tmp2, int w, int h \
              HIGHBD_DECL_SUFFIX)
  typedef decl_avg_fn(*avg_fn);
  
  #define decl_w_avg_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const int16_t *tmp1, const int16_t *tmp2, int w, int h, int weight \
              HIGHBD_DECL_SUFFIX)
  typedef decl_w_avg_fn(*w_avg_fn);
  
  #define decl_mask_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const int16_t *tmp1, const int16_t *tmp2, int w, int h, \
              const uint8_t *mask HIGHBD_DECL_SUFFIX)
  typedef decl_mask_fn(*mask_fn);
  
  #define decl_w_mask_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const int16_t *tmp1, const int16_t *tmp2, int w, int h, \
              uint8_t *mask, int sign HIGHBD_DECL_SUFFIX)
  typedef decl_w_mask_fn(*w_mask_fn);
  
  #define decl_blend_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, const pixel *tmp, \
              int w, int h, const uint8_t *mask)
  typedef decl_blend_fn(*blend_fn);
  
  #define decl_blend_dir_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, const pixel *tmp, int w, int h)
  typedef decl_blend_dir_fn(*blend_dir_fn);
  
  #define decl_emu_edge_fn(name) \
  void (name)(intptr_t bw, intptr_t bh, intptr_t iw, intptr_t ih, intptr_t x, intptr_t y, \
              pixel *dst, ptrdiff_t dst_stride, const pixel *src, ptrdiff_t src_stride)
  typedef decl_emu_edge_fn(*emu_edge_fn);
  
  #define decl_resize_fn(name) \
  void (name)(pixel *dst, ptrdiff_t dst_stride, \
              const pixel *src, ptrdiff_t src_stride, \
              int dst_w, int src_w, int h, int dx, int mx HIGHBD_DECL_SUFFIX)
  typedef decl_resize_fn(*resize_fn);
  
  typedef struct Dav1dMCDSPContext {
      mc_fn mc[N_2D_FILTERS];
      mc_scaled_fn mc_scaled[N_2D_FILTERS];
      mct_fn mct[N_2D_FILTERS];
      mct_scaled_fn mct_scaled[N_2D_FILTERS];
      avg_fn avg;
      w_avg_fn w_avg;
      mask_fn mask;
      w_mask_fn w_mask[3 /* 444, 422, 420 */];
      blend_fn blend;
      blend_dir_fn blend_v;
      blend_dir_fn blend_h;
      warp8x8_fn warp8x8;
      warp8x8t_fn warp8x8t;
      emu_edge_fn emu_edge;
      resize_fn resize;
  } Dav1dMCDSPContext;
  
  bitfn_decls(void dav1d_mc_dsp_init, Dav1dMCDSPContext *c);
  bitfn_decls(void dav1d_mc_dsp_init_arm, Dav1dMCDSPContext *c);
  bitfn_decls(void dav1d_mc_dsp_init_x86, Dav1dMCDSPContext *c);
  bitfn_decls(void dav1d_mc_dsp_init_wasm, Dav1dMCDSPContext *c);
  
  #endif /* DAV1D_SRC_MC_H */
  