vp8/common/idct.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_IDCT_H
  13 #define __INC_IDCT_H
  14
  15 #define prototype_second_order(sym) \
  16     void sym(short *input, short *output)
  17
  18 #define prototype_idct(sym) \
  19     void sym(short *input, short *output, int pitch)
  20
  21 #define prototype_idct_scalar_add(sym) \
  22     void sym(short input, \
  23              unsigned char *pred, unsigned char *output, \
  24              int pitch, int stride)
  25
  26 #if ARCH_X86 || ARCH_X86_64
  27 #include "x86/idct_x86.h"
  28 #endif
  29
  30 #if ARCH_ARM
  31 #include "arm/idct_arm.h"
  32 #endif
  33
  34 #ifndef vp8_idct_idct1
  35 #define vp8_idct_idct1 vp8_short_idct4x4llm_1_c
  36 #endif
  37 extern prototype_idct(vp8_idct_idct1);
  38
  39 #ifndef vp8_idct_idct16
  40 #define vp8_idct_idct16 vp8_short_idct4x4llm_c
  41 #endif
  42 extern prototype_idct(vp8_idct_idct16);
  43
  44 #ifndef vp8_idct_idct1_scalar_add
  45 #define vp8_idct_idct1_scalar_add vp8_dc_only_idct_add_c
  46 #endif
  47 extern prototype_idct_scalar_add(vp8_idct_idct1_scalar_add);
  48
  49
  50 #ifndef vp8_idct_iwalsh1
  51 #define vp8_idct_iwalsh1 vp8_short_inv_walsh4x4_1_c
  52 #endif
  53 extern prototype_second_order(vp8_idct_iwalsh1);
  54
  55 #ifndef vp8_idct_iwalsh16
  56 #define vp8_idct_iwalsh16 vp8_short_inv_walsh4x4_c
  57 #endif
  58 extern prototype_second_order(vp8_idct_iwalsh16);
  59
  60 typedef prototype_idct((*vp8_idct_fn_t));
  61 typedef prototype_idct_scalar_add((*vp8_idct_scalar_add_fn_t));
  62 typedef prototype_second_order((*vp8_second_order_fn_t));
  63
  64 typedef struct
  65 {
  66     vp8_idct_fn_t            idct1;
  67     vp8_idct_fn_t            idct16;
  68     vp8_idct_scalar_add_fn_t idct1_scalar_add;
  69
  70     vp8_second_order_fn_t iwalsh1;
  71     vp8_second_order_fn_t iwalsh16;
  72 } vp8_idct_rtcd_vtable_t;
  73
  74 #if CONFIG_RUNTIME_CPU_DETECT
  75 #define IDCT_INVOKE(ctx,fn) (ctx)->fn
  76 #else
  77 #define IDCT_INVOKE(ctx,fn) vp8_idct_##fn
  78 #endif
  79
  80 #endif