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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef __INC_IDCT_H
#define __INC_IDCT_H
#include "vp9/common/blockd.h"
#define prototype_second_order(sym) \
void sym(short *input, short *output)
#define prototype_idct(sym) \
void sym(short *input, short *output, int pitch)
#define prototype_idct_scalar_add(sym) \
void sym(short input, \
unsigned char *pred, unsigned char *output, \
int pitch, int stride)
#if ARCH_X86 || ARCH_X86_64
#include "x86/idct_x86.h"
#endif
#ifdef _MSC_VER
/* TODO: remove these after integer implmementations are done */
#define M_PI 3.14159265358979323846
#define round(x) (((x)>0)? floor((x)+0.5): ceil((x)-0.5))
#endif
#if ARCH_ARM
#include "arm/idct_arm.h"
#endif
#if CONFIG_LOSSLESS
#define WHT_UPSCALE_FACTOR 3
#define Y2_WHT_UPSCALE_FACTOR 2
#endif
#ifndef vp9_idct_idct16x16
#define vp9_idct_idct16x16 vp9_short_idct16x16_c
#endif
extern prototype_idct(vp9_idct_idct16x16);
#ifndef vp9_idct_idct8
#define vp9_idct_idct8 vp9_short_idct8x8_c
#endif
extern prototype_idct(vp9_idct_idct8);
#ifndef vp9_idct_idct8_1
#define vp9_idct_idct8_1 vp9_short_idct8x8_1_c
#endif
extern prototype_idct(vp9_idct_idct8_1);
#ifndef vp9_idct_ihaar2
#define vp9_idct_ihaar2 vp9_short_ihaar2x2_c
#endif
extern prototype_idct(vp9_idct_ihaar2);
#ifndef vp9_idct_ihaar2_1
#define vp9_idct_ihaar2_1 vp9_short_ihaar2x2_1_c
#endif
extern prototype_idct(vp9_idct_ihaar2_1);
#ifndef vp9_idct_idct1_scalar_add_8x8
#define vp9_idct_idct1_scalar_add_8x8 vp9_dc_only_idct_add_8x8_c
#endif
extern prototype_idct_scalar_add(vp9_idct_idct1_scalar_add_8x8);
#ifndef vp9_idct_idct1
#define vp9_idct_idct1 vp9_short_idct4x4llm_1_c
#endif
extern prototype_idct(vp9_idct_idct1);
#ifndef vp9_idct_idct16
#define vp9_idct_idct16 vp9_short_idct4x4llm_c
#endif
extern prototype_idct(vp9_idct_idct16);
#ifndef vp9_idct_idct1_scalar_add
#define vp9_idct_idct1_scalar_add vp9_dc_only_idct_add_c
#endif
extern prototype_idct_scalar_add(vp9_idct_idct1_scalar_add);
#ifndef vp9_idct_iwalsh1
#define vp9_idct_iwalsh1 vp9_short_inv_walsh4x4_1_c
#endif
extern prototype_second_order(vp9_idct_iwalsh1);
#ifndef vp9_idct_iwalsh16
#define vp9_idct_iwalsh16 vp9_short_inv_walsh4x4_c
#endif
extern prototype_second_order(vp9_idct_iwalsh16);
#if CONFIG_LOSSLESS
extern prototype_idct(vp9_short_inv_walsh4x4_x8_c);
extern prototype_idct(vp9_short_inv_walsh4x4_1_x8_c);
extern prototype_idct_scalar_add(vp9_dc_only_inv_walsh_add_c);
extern prototype_second_order(vp9_short_inv_walsh4x4_lossless_c);
extern prototype_second_order(vp9_short_inv_walsh4x4_1_lossless_c);
#endif
void vp9_ihtllm_c(const int16_t *input, int16_t *output, int pitch,
TX_TYPE tx_type, int tx_dim);
typedef prototype_idct((*vp9_idct_fn_t));
typedef prototype_idct_scalar_add((*vp9_idct_scalar_add_fn_t));
typedef prototype_second_order((*vp9_second_order_fn_t));
typedef struct {
vp9_idct_fn_t idct1;
vp9_idct_fn_t idct16;
vp9_idct_scalar_add_fn_t idct1_scalar_add;
vp9_second_order_fn_t iwalsh1;
vp9_second_order_fn_t iwalsh16;
vp9_idct_fn_t idct8;
vp9_idct_fn_t idct8_1;
vp9_idct_scalar_add_fn_t idct1_scalar_add_8x8;
vp9_idct_fn_t ihaar2;
vp9_idct_fn_t ihaar2_1;
vp9_idct_fn_t idct16x16;
} vp9_idct_rtcd_vtable_t;
#if CONFIG_RUNTIME_CPU_DETECT
#define IDCT_INVOKE(ctx,fn) (ctx)->fn
#else
#define IDCT_INVOKE(ctx,fn) vp9_idct_##fn
#endif
#endif
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