source: 3DVCSoftware/branches/HTM-14.1-update-dev1/source/Lib/TLibCommon/TComInterpolationFilter.h @ 1305

Last change on this file since 1305 was 1279, checked in by tech, 9 years ago

Merged 14.1-update-dev2@1277.

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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license.
5 *
6 * Copyright (c) 2010-2015, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/**
35 * \file
36 * \brief Declaration of TComInterpolationFilter class
37 */
38
39#ifndef __TCOMINTERPOLATIONFILTER__
40#define __TCOMINTERPOLATIONFILTER__
41
42#include "CommonDef.h"
43
44//! \ingroup TLibCommon
45//! \{
46
47#if NH_3D_ARP
48#define NTAPS_LUMA_ARP    2 ///< Number of taps for luma
49#define NTAPS_CHROMA_ARP  2 ///< Number of taps for chroma
50#endif
51
52#define NTAPS_LUMA        8 ///< Number of taps for luma
53#define NTAPS_CHROMA      4 ///< Number of taps for chroma
54#define IF_INTERNAL_PREC 14 ///< Number of bits for internal precision
55#define IF_FILTER_PREC    6 ///< Log2 of sum of filter taps
56#define IF_INTERNAL_OFFS (1<<(IF_INTERNAL_PREC-1)) ///< Offset used internally
57
58/**
59 * \brief Interpolation filter class
60 */
61class TComInterpolationFilter
62{
63  static const TFilterCoeff m_lumaFilter[LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS][NTAPS_LUMA];     ///< Luma filter taps
64  static const TFilterCoeff m_chromaFilter[CHROMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS][NTAPS_CHROMA]; ///< Chroma filter taps
65#if NH_3D_ARP
66  static const Short m_lumaFilterARP  [4][NTAPS_LUMA_ARP];     ///< Luma filter taps for ARP
67  static const Short m_chromaFilterARP[8][NTAPS_CHROMA_ARP];   ///< Chroma filter taps for ARP
68#endif
69
70  static Void filterCopy(Int bitDepth, const Pel *src, Int srcStride, Pel *dst, Int dstStride, Int width, Int height, Bool isFirst, Bool isLast);
71
72  template<Int N, Bool isVertical, Bool isFirst, Bool isLast>
73  static Void filter(Int bitDepth, Pel const *src, Int srcStride, Pel *dst, Int dstStride, Int width, Int height, TFilterCoeff const *coeff);
74
75  template<Int N>
76  static Void filterHor(Int bitDepth, Pel *src, Int srcStride, Pel *dst, Int dstStride, Int width, Int height,               Bool isLast, TFilterCoeff const *coeff);
77  template<Int N>
78  static Void filterVer(Int bitDepth, Pel *src, Int srcStride, Pel *dst, Int dstStride, Int width, Int height, Bool isFirst, Bool isLast, TFilterCoeff const *coeff);
79
80public:
81  TComInterpolationFilter() {}
82  ~TComInterpolationFilter() {}
83
84  Void filterHor(const ComponentID compID, Pel *src, Int srcStride, Pel *dst, Int dstStride, Int width, Int height, Int frac,               Bool isLast, const ChromaFormat fmt, const Int bitDepth
85#if NH_3D_ARP
86    , Bool filterType = false
87#endif
88);
89  Void filterVer(const ComponentID compID, Pel *src, Int srcStride, Pel *dst, Int dstStride, Int width, Int height, Int frac, Bool isFirst, Bool isLast, const ChromaFormat fmt, const Int bitDepth
90#if NH_3D_ARP
91    , Bool filterType = false
92#endif
93);
94};
95
96//! \}
97
98#endif
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