vp8/decoder/dequantize.h

/*
 *  Copyright (c) 2010 The VP8 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 DEQUANTIZE_H
#define DEQUANTIZE_H
#include "blockd.h"

#define prototype_dequant_block(sym) \
    void sym(BLOCKD *x)

#define prototype_dequant_idct_add(sym) \
    void sym(short *input, short *dq, \
             unsigned char *pred, unsigned char *output, \
             int pitch, int stride)

#define prototype_dequant_idct_dc_add(sym) \
    void sym(short *input, short *dq, \
             unsigned char *pred, unsigned char *output, \
             int pitch, int stride, \
             int dc)

#if ARCH_X86 || ARCH_X86_64
#include "x86/dequantize_x86.h"
#endif

#if ARCH_ARM
#include "arm/dequantize_arm.h"
#endif

#ifndef vp8_dequant_block
#define vp8_dequant_block vp8_dequantize_b_c
#endif
extern prototype_dequant_block(vp8_dequant_block);

#ifndef vp8_dequant_idct_add
#define vp8_dequant_idct_add vp8_dequant_idct_add_c
#endif
extern prototype_dequant_idct_add(vp8_dequant_idct_add);

#ifndef vp8_dequant_idct_dc_add
#define vp8_dequant_idct_dc_add vp8_dequant_dc_idct_add_c
#endif
extern prototype_dequant_idct_dc_add(vp8_dequant_idct_dc_add);

typedef prototype_dequant_block((*vp8_dequant_block_fn_t));

typedef prototype_dequant_idct_add((*vp8_dequant_idct_add_fn_t));
typedef prototype_dequant_idct_dc_add((*vp8_dequant_idct_dc_add_fn_t));

typedef struct
{
    vp8_dequant_block_fn_t        block;
    vp8_dequant_idct_add_fn_t     idct_add;
    vp8_dequant_idct_dc_add_fn_t  idct_dc_add;
} vp8_dequant_rtcd_vtable_t;

#if CONFIG_RUNTIME_CPU_DETECT
#define DEQUANT_INVOKE(ctx,fn) (ctx)->fn
#else
#define DEQUANT_INVOKE(ctx,fn) vp8_dequant_##fn
#endif

#endif