vp8/encoder/dct.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #ifndef __INC_DCT_H
  13 #define __INC_DCT_H
  14
  15 #define prototype_fdct(sym) void (sym)(short *input, short *output, int pitch)
  16
  17 #if ARCH_X86 || ARCH_X86_64
  18 #include "x86/dct_x86.h"
  19 #endif
  20
  21 #if ARCH_ARM
  22 #include "arm/dct_arm.h"
  23 #endif
  24
  25 #ifndef vp8_fdct_short4x4
  26 #define vp8_fdct_short4x4  vp8_short_fdct4x4_c
  27 #endif
  28 extern prototype_fdct(vp8_fdct_short4x4);
  29
  30 #ifndef vp8_fdct_short8x4
  31 #define vp8_fdct_short8x4  vp8_short_fdct8x4_c
  32 #endif
  33 extern prototype_fdct(vp8_fdct_short8x4);
  34
  35 // There is no fast4x4 (for now)
  36 #ifndef vp8_fdct_fast4x4
  37 #define vp8_fdct_fast4x4  vp8_short_fdct4x4_c
  38 #endif
  39
  40 #ifndef vp8_fdct_fast8x4
  41 #define vp8_fdct_fast8x4  vp8_short_fdct8x4_c
  42 #endif
  43
  44 #ifndef vp8_fdct_walsh_short4x4
  45 #define vp8_fdct_walsh_short4x4  vp8_short_walsh4x4_c
  46 #endif
  47 extern prototype_fdct(vp8_fdct_walsh_short4x4);
  48
  49 typedef prototype_fdct(*vp8_fdct_fn_t);
  50 typedef struct
  51 {
  52     vp8_fdct_fn_t    short4x4;
  53     vp8_fdct_fn_t    short8x4;
  54     vp8_fdct_fn_t    fast4x4;
  55     vp8_fdct_fn_t    fast8x4;
  56     vp8_fdct_fn_t    walsh_short4x4;
  57 } vp8_fdct_rtcd_vtable_t;
  58
  59 #if CONFIG_RUNTIME_CPU_DETECT
  60 #define FDCT_INVOKE(ctx,fn) (ctx)->fn
  61 #else
  62 #define FDCT_INVOKE(ctx,fn) vp8_fdct_##fn
  63 #endif
  64
  65 #endif