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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 #if ARCH_MIPS
35 #if defined(MIPS_DSP_REV) && MIPS_DSP_REV>=1
36 #include "mips/idct_mips.h"
37 #endif
38 #endif
39 
40 #ifndef vp8_idct_idct1
41 #define vp8_idct_idct1 vp8_short_idct4x4llm_1_c
42 #endif
43 extern prototype_idct(vp8_idct_idct1);
44 
45 #ifndef vp8_idct_idct16
46 #define vp8_idct_idct16 vp8_short_idct4x4llm_c
47 #endif
48 extern prototype_idct(vp8_idct_idct16);
49 
50 #ifndef vp8_idct_idct1_scalar_add
51 #define vp8_idct_idct1_scalar_add vp8_dc_only_idct_add_c
52 #endif
53 extern prototype_idct_scalar_add(vp8_idct_idct1_scalar_add);
54 
55 
56 #ifndef vp8_idct_iwalsh1
57 #define vp8_idct_iwalsh1 vp8_short_inv_walsh4x4_1_c
58 #endif
59 extern prototype_second_order(vp8_idct_iwalsh1);
60 
61 #ifndef vp8_idct_iwalsh16
62 #define vp8_idct_iwalsh16 vp8_short_inv_walsh4x4_c
63 #endif
64 extern prototype_second_order(vp8_idct_iwalsh16);
65 
66 typedef prototype_idct((*vp8_idct_fn_t));
67 typedef prototype_idct_scalar_add((*vp8_idct_scalar_add_fn_t));
68 typedef prototype_second_order((*vp8_second_order_fn_t));
69 
70 typedef struct
71 {
72     vp8_idct_fn_t            idct1;
73     vp8_idct_fn_t            idct16;
74     vp8_idct_scalar_add_fn_t idct1_scalar_add;
75 
76     vp8_second_order_fn_t iwalsh1;
77     vp8_second_order_fn_t iwalsh16;
78 } vp8_idct_rtcd_vtable_t;
79 
80 #if CONFIG_RUNTIME_CPU_DETECT
81 #define IDCT_INVOKE(ctx,fn) (ctx)->fn
82 #else
83 #define IDCT_INVOKE(ctx,fn) vp8_idct_##fn
84 #endif
85 
86 #endif
87