66f440f1ee
The forward and inverse hybrid transforms are now performed using single function modules, where the dimension is sent as argument. Added an inline function clip8b to clip the reconstruction pixels into range of 0-255. Change-Id: Id7d870b3e1aefc092721c80c0af6f641eb5f3747
151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
/*
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* Copyright (c) 2010 The WebM 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 __INC_IDCT_H
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#define __INC_IDCT_H
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#define prototype_second_order(sym) \
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void sym(short *input, short *output)
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#define prototype_idct(sym) \
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void sym(short *input, short *output, int pitch)
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#define prototype_idct_scalar_add(sym) \
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void sym(short input, \
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unsigned char *pred, unsigned char *output, \
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int pitch, int stride)
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#if ARCH_X86 || ARCH_X86_64
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#include "x86/idct_x86.h"
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#endif
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#ifdef _MSC_VER
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/* TODO: remove these after integer implmementations are done */
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#define M_PI 3.14159265358979323846
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#define round(x) (((x)>0)? floor((x)+0.5): ceil((x)-0.5))
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#endif
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#if ARCH_ARM
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#include "arm/idct_arm.h"
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#endif
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#if CONFIG_LOSSLESS
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#define WHT_UPSCALE_FACTOR 3
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#define Y2_WHT_UPSCALE_FACTOR 2
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#endif
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#if CONFIG_TX16X16
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#ifndef vp8_idct_idct16x16
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#define vp8_idct_idct16x16 vp8_short_idct16x16_c
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#endif
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extern prototype_idct(vp8_idct_idct16x16);
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#endif
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#ifndef vp8_idct_idct8
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#define vp8_idct_idct8 vp8_short_idct8x8_c
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#endif
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extern prototype_idct(vp8_idct_idct8);
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#ifndef vp8_idct_idct8_1
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#define vp8_idct_idct8_1 vp8_short_idct8x8_1_c
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#endif
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extern prototype_idct(vp8_idct_idct8_1);
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#ifndef vp8_idct_ihaar2
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#define vp8_idct_ihaar2 vp8_short_ihaar2x2_c
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#endif
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extern prototype_idct(vp8_idct_ihaar2);
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#ifndef vp8_idct_ihaar2_1
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#define vp8_idct_ihaar2_1 vp8_short_ihaar2x2_1_c
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#endif
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extern prototype_idct(vp8_idct_ihaar2_1);
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#ifndef vp8_idct_idct1_scalar_add_8x8
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#define vp8_idct_idct1_scalar_add_8x8 vp8_dc_only_idct_add_8x8_c
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#endif
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extern prototype_idct_scalar_add(vp8_idct_idct1_scalar_add_8x8);
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#ifndef vp8_idct_idct1
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#define vp8_idct_idct1 vp8_short_idct4x4llm_1_c
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#endif
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extern prototype_idct(vp8_idct_idct1);
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#ifndef vp8_idct_idct16
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#define vp8_idct_idct16 vp8_short_idct4x4llm_c
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#endif
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extern prototype_idct(vp8_idct_idct16);
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#ifndef vp8_idct_idct1_scalar_add
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#define vp8_idct_idct1_scalar_add vp8_dc_only_idct_add_c
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#endif
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extern prototype_idct_scalar_add(vp8_idct_idct1_scalar_add);
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#ifndef vp8_idct_iwalsh1
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#define vp8_idct_iwalsh1 vp8_short_inv_walsh4x4_1_c
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#endif
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extern prototype_second_order(vp8_idct_iwalsh1);
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#ifndef vp8_idct_iwalsh16
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#define vp8_idct_iwalsh16 vp8_short_inv_walsh4x4_c
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#endif
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extern prototype_second_order(vp8_idct_iwalsh16);
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#if CONFIG_LOSSLESS
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extern prototype_idct(vp8_short_inv_walsh4x4_x8_c);
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extern prototype_idct(vp8_short_inv_walsh4x4_1_x8_c);
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extern prototype_idct_scalar_add(vp8_dc_only_inv_walsh_add_c);
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extern prototype_second_order(vp8_short_inv_walsh4x4_lossless_c);
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extern prototype_second_order(vp8_short_inv_walsh4x4_1_lossless_c);
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#endif
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#if CONFIG_HYBRIDTRANSFORM8X8 || CONFIG_HYBRIDTRANSFORM
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#include "vp8/common/blockd.h"
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void vp8_ihtllm_c(short *input, short *output, int pitch,
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TX_TYPE tx_type, int tx_dim);
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#endif
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typedef prototype_idct((*vp8_idct_fn_t));
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typedef prototype_idct_scalar_add((*vp8_idct_scalar_add_fn_t));
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typedef prototype_second_order((*vp8_second_order_fn_t));
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typedef struct {
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vp8_idct_fn_t idct1;
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vp8_idct_fn_t idct16;
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vp8_idct_scalar_add_fn_t idct1_scalar_add;
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vp8_second_order_fn_t iwalsh1;
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vp8_second_order_fn_t iwalsh16;
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vp8_idct_fn_t idct8;
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vp8_idct_fn_t idct8_1;
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vp8_idct_scalar_add_fn_t idct1_scalar_add_8x8;
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vp8_idct_fn_t ihaar2;
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vp8_idct_fn_t ihaar2_1;
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#if CONFIG_TX16X16
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vp8_idct_fn_t idct16x16;
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#endif
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} vp8_idct_rtcd_vtable_t;
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#if CONFIG_RUNTIME_CPU_DETECT
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#define IDCT_INVOKE(ctx,fn) (ctx)->fn
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#else
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#define IDCT_INVOKE(ctx,fn) vp8_idct_##fn
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#endif
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#endif
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