b2fa74ac18
This moves the prediction step before the idct and combines the idct and reconstruction steps into a single step. Combining them seems to give an overall decoder performance improvement of about 1%. Change-Id: I90d8b167ec70d79c7ba2ee484106a78b3d16e318
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef DEQUANTIZE_H
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#define DEQUANTIZE_H
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#include "blockd.h"
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#define prototype_dequant_block(sym) \
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void sym(BLOCKD *x)
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#define prototype_dequant_idct_add(sym) \
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void sym(short *input, short *dq, \
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unsigned char *pred, unsigned char *output, \
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int pitch, int stride)
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#define prototype_dequant_idct_dc_add(sym) \
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void sym(short *input, short *dq, \
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unsigned char *pred, unsigned char *output, \
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int pitch, int stride, \
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int dc)
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#if ARCH_X86 || ARCH_X86_64
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#include "x86/dequantize_x86.h"
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#endif
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#if ARCH_ARM
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#include "arm/dequantize_arm.h"
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#endif
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#ifndef vp8_dequant_block
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#define vp8_dequant_block vp8_dequantize_b_c
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#endif
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extern prototype_dequant_block(vp8_dequant_block);
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#ifndef vp8_dequant_idct_add
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#define vp8_dequant_idct_add vp8_dequant_idct_add_c
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#endif
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extern prototype_dequant_idct_add(vp8_dequant_idct_add);
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#ifndef vp8_dequant_idct_dc_add
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#define vp8_dequant_idct_dc_add vp8_dequant_dc_idct_add_c
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#endif
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extern prototype_dequant_idct_dc_add(vp8_dequant_idct_dc_add);
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typedef prototype_dequant_block((*vp8_dequant_block_fn_t));
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typedef prototype_dequant_idct_add((*vp8_dequant_idct_add_fn_t));
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typedef prototype_dequant_idct_dc_add((*vp8_dequant_idct_dc_add_fn_t));
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typedef struct
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{
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vp8_dequant_block_fn_t block;
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vp8_dequant_idct_add_fn_t idct_add;
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vp8_dequant_idct_dc_add_fn_t idct_dc_add;
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} vp8_dequant_rtcd_vtable_t;
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#if CONFIG_RUNTIME_CPU_DETECT
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#define DEQUANT_INVOKE(ctx,fn) (ctx)->fn
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#else
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#define DEQUANT_INVOKE(ctx,fn) vp8_dequant_##fn
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#endif
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#endif
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