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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_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
66