text: /*
   *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  
  #include "vpx_ports/config.h"
  #include <math.h>
  #include "loopfilter.h"
  #include "onyxc_int.h"
  
  extern prototype_loopfilter(vp8_loop_filter_horizontal_edge_armv6);
  extern prototype_loopfilter(vp8_loop_filter_vertical_edge_armv6);
  extern prototype_loopfilter(vp8_mbloop_filter_horizontal_edge_armv6);
  extern prototype_loopfilter(vp8_mbloop_filter_vertical_edge_armv6);
  extern prototype_loopfilter(vp8_loop_filter_simple_horizontal_edge_armv6);
  extern prototype_loopfilter(vp8_loop_filter_simple_vertical_edge_armv6);
  
  extern prototype_loopfilter(vp8_loop_filter_horizontal_edge_y_neon);
  extern prototype_loopfilter(vp8_loop_filter_vertical_edge_y_neon);
  extern prototype_loopfilter(vp8_mbloop_filter_horizontal_edge_y_neon);
  extern prototype_loopfilter(vp8_mbloop_filter_vertical_edge_y_neon);
  extern prototype_loopfilter(vp8_loop_filter_simple_horizontal_edge_neon);
  extern prototype_loopfilter(vp8_loop_filter_simple_vertical_edge_neon);
  
  extern loop_filter_uvfunction vp8_loop_filter_horizontal_edge_uv_neon;
  extern loop_filter_uvfunction vp8_loop_filter_vertical_edge_uv_neon;
  extern loop_filter_uvfunction vp8_mbloop_filter_horizontal_edge_uv_neon;
  extern loop_filter_uvfunction vp8_mbloop_filter_vertical_edge_uv_neon;
  
  
  #if HAVE_ARMV6
  /*ARMV6 loopfilter functions*/
  /* Horizontal MB filtering */
  void vp8_loop_filter_mbh_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                 int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_mbloop_filter_horizontal_edge_armv6(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  
      if (u_ptr)
          vp8_mbloop_filter_horizontal_edge_armv6(u_ptr, uv_stride, lfi->uvmbflim, lfi->uvlim, lfi->uvmbthr, 1);
  
      if (v_ptr)
          vp8_mbloop_filter_horizontal_edge_armv6(v_ptr, uv_stride, lfi->uvmbflim, lfi->uvlim, lfi->uvmbthr, 1);
  }
  
  void vp8_loop_filter_mbhs_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                  int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_horizontal_edge_armv6(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  }
  
  /* Vertical MB Filtering */
  void vp8_loop_filter_mbv_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                 int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_mbloop_filter_vertical_edge_armv6(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  
      if (u_ptr)
          vp8_mbloop_filter_vertical_edge_armv6(u_ptr, uv_stride, lfi->uvmbflim, lfi->uvlim, lfi->uvmbthr, 1);
  
      if (v_ptr)
          vp8_mbloop_filter_vertical_edge_armv6(v_ptr, uv_stride, lfi->uvmbflim, lfi->uvlim, lfi->uvmbthr, 1);
  }
  
  void vp8_loop_filter_mbvs_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                  int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_vertical_edge_armv6(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  }
  
  /* Horizontal B Filtering */
  void vp8_loop_filter_bh_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_loop_filter_horizontal_edge_armv6(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_horizontal_edge_armv6(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_horizontal_edge_armv6(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  
      if (u_ptr)
          vp8_loop_filter_horizontal_edge_armv6(u_ptr + 4 * uv_stride, uv_stride, lfi->uvflim, lfi->uvlim, lfi->uvthr, 1);
  
      if (v_ptr)
          vp8_loop_filter_horizontal_edge_armv6(v_ptr + 4 * uv_stride, uv_stride, lfi->uvflim, lfi->uvlim, lfi->uvthr, 1);
  }
  
  void vp8_loop_filter_bhs_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                 int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_horizontal_edge_armv6(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_horizontal_edge_armv6(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_horizontal_edge_armv6(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  }
  
  /* Vertical B Filtering */
  void vp8_loop_filter_bv_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_loop_filter_vertical_edge_armv6(y_ptr + 4, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_vertical_edge_armv6(y_ptr + 8, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_vertical_edge_armv6(y_ptr + 12, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  
      if (u_ptr)
          vp8_loop_filter_vertical_edge_armv6(u_ptr + 4, uv_stride, lfi->uvflim, lfi->uvlim, lfi->uvthr, 1);
  
      if (v_ptr)
          vp8_loop_filter_vertical_edge_armv6(v_ptr + 4, uv_stride, lfi->uvflim, lfi->uvlim, lfi->uvthr, 1);
  }
  
  void vp8_loop_filter_bvs_armv6(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                 int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_vertical_edge_armv6(y_ptr + 4, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_vertical_edge_armv6(y_ptr + 8, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_vertical_edge_armv6(y_ptr + 12, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  }
  #endif
  
  #if HAVE_ARMV7
  /* NEON loopfilter functions */
  /* Horizontal MB filtering */
  void vp8_loop_filter_mbh_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_mbloop_filter_horizontal_edge_y_neon(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  
      if (u_ptr)
          vp8_mbloop_filter_horizontal_edge_uv_neon(u_ptr, uv_stride, lfi->uvmbflim, lfi->uvlim, lfi->uvmbthr, v_ptr);
  }
  
  void vp8_loop_filter_mbhs_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                 int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_horizontal_edge_neon(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  }
  
  /* Vertical MB Filtering */
  void vp8_loop_filter_mbv_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_mbloop_filter_vertical_edge_y_neon(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  
      if (u_ptr)
          vp8_mbloop_filter_vertical_edge_uv_neon(u_ptr, uv_stride, lfi->uvmbflim, lfi->uvlim, lfi->uvmbthr, v_ptr);
  }
  
  void vp8_loop_filter_mbvs_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                 int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->mbthr, 2);
  }
  
  /* Horizontal B Filtering */
  void vp8_loop_filter_bh_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                               int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_loop_filter_horizontal_edge_y_neon(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_horizontal_edge_y_neon(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_horizontal_edge_y_neon(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  
      if (u_ptr)
          vp8_loop_filter_horizontal_edge_uv_neon(u_ptr + 4 * uv_stride, uv_stride, lfi->uvflim, lfi->uvlim, lfi->uvthr, v_ptr + 4 * uv_stride);
  }
  
  void vp8_loop_filter_bhs_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_horizontal_edge_neon(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_horizontal_edge_neon(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_horizontal_edge_neon(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  }
  
  /* Vertical B Filtering */
  void vp8_loop_filter_bv_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                               int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) simpler_lpf;
      vp8_loop_filter_vertical_edge_y_neon(y_ptr + 4, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_vertical_edge_y_neon(y_ptr + 8, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_vertical_edge_y_neon(y_ptr + 12, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  
      if (u_ptr)
          vp8_loop_filter_vertical_edge_uv_neon(u_ptr + 4, uv_stride, lfi->uvflim, lfi->uvlim, lfi->uvthr, v_ptr + 4);
  }
  
  void vp8_loop_filter_bvs_neon(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
                                int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf)
  {
      (void) u_ptr;
      (void) v_ptr;
      (void) uv_stride;
      (void) simpler_lpf;
      vp8_loop_filter_simple_vertical_edge_neon(y_ptr + 4, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_vertical_edge_neon(y_ptr + 8, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
      vp8_loop_filter_simple_vertical_edge_neon(y_ptr + 12, y_stride, lfi->flim, lfi->lim, lfi->thr, 2);
  }
  #endif
  