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
