text: /*
   *  Copyright (c) 2010 The VP8 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.
   */
  
  
  #ifndef __INC_DCT_H
  #define __INC_DCT_H
  
  #define prototype_fdct(sym) void (sym)(short *input, short *output, int pitch)
  
  #if ARCH_X86 || ARCH_X86_64
  #include "x86/dct_x86.h"
  #endif
  
  #if ARCH_ARM
  #include "arm/dct_arm.h"
  #endif
  
  #ifndef vp8_fdct_short4x4
  #define vp8_fdct_short4x4  vp8_short_fdct4x4_c
  #endif
  extern prototype_fdct(vp8_fdct_short4x4);
  
  #ifndef vp8_fdct_short8x4
  #define vp8_fdct_short8x4  vp8_short_fdct8x4_c
  #endif
  extern prototype_fdct(vp8_fdct_short8x4);
  
  // There is no fast4x4 (for now)
  #ifndef vp8_fdct_fast4x4
  #define vp8_fdct_fast4x4  vp8_short_fdct4x4_c
  #endif
  
  #ifndef vp8_fdct_fast8x4
  #define vp8_fdct_fast8x4  vp8_short_fdct8x4_c
  #endif
  
  #ifndef vp8_fdct_walsh_short4x4
  #define vp8_fdct_walsh_short4x4  vp8_short_walsh4x4_c
  #endif
  extern prototype_fdct(vp8_fdct_walsh_short4x4);
  
  typedef prototype_fdct(*vp8_fdct_fn_t);
  typedef struct
  {
      vp8_fdct_fn_t    short4x4;
      vp8_fdct_fn_t    short8x4;
      vp8_fdct_fn_t    fast4x4;
      vp8_fdct_fn_t    fast8x4;
      vp8_fdct_fn_t    walsh_short4x4;
  } vp8_fdct_rtcd_vtable_t;
  
  #if CONFIG_RUNTIME_CPU_DETECT
  #define FDCT_INVOKE(ctx,fn) (ctx)->fn
  #else
  #define FDCT_INVOKE(ctx,fn) vp8_fdct_##fn
  #endif
  
  #endif
  