source: 3DVCSoftware/branches/HTM-6.2-dev2-Qualcomm/source/Lib/TLibCommon/TComInterpolationFilter.h @ 373

Last change on this file since 373 was 373, checked in by zhang, 11 years ago

JCT3V-D0177: ARP

File size: 4.5 KB
Line 
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) 2010-2012, 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.
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18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
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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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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 __HM_TCOMINTERPOLATIONFILTER_H__
40#define __HM_TCOMINTERPOLATIONFILTER_H__
41
42#include "TypeDef.h"
43
44//! \ingroup TLibCommon
45//! \{
46#if QC_ARP_D0177
47#define NTAPS_LUMA_ARP    2 ///< Number of taps for luma
48#define NTAPS_CHROMA_ARP  2 ///< Number of taps for chroma
49#endif
50
51#define NTAPS_LUMA        8 ///< Number of taps for luma
52#define NTAPS_CHROMA      4 ///< Number of taps for chroma
53#define IF_INTERNAL_PREC 14 ///< Number of bits for internal precision
54#define IF_FILTER_PREC    6 ///< Log2 of sum of filter taps
55#define IF_INTERNAL_OFFS (1<<(IF_INTERNAL_PREC-1)) ///< Offset used internally
56
57/**
58 * \brief Interpolation filter class
59 */
60class TComInterpolationFilter
61{
62  static const Short m_lumaFilter[4][NTAPS_LUMA];     ///< Luma filter taps
63  static const Short m_chromaFilter[8][NTAPS_CHROMA]; ///< Chroma filter taps
64#if QC_ARP_D0177
65  static const Short m_lumaFilterARP  [4][NTAPS_LUMA_ARP];     ///< Luma filter taps
66  static const Short m_chromaFilterARP[8][NTAPS_CHROMA_ARP]; ///< Chroma filter taps
67#endif
68
69  static Void filterCopy(const Pel *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height, Bool isFirst, Bool isLast);
70 
71  template<int N, bool isVertical, bool isFirst, bool isLast>
72  static Void filter(Pel const *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height, Short const *coeff);
73
74  template<int N>
75  static Void filterHor(Pel *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height,               Bool isLast, Short const *coeff);
76  template<int N>
77  static Void filterVer(Pel *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height, Bool isFirst, Bool isLast, Short const *coeff);
78
79public:
80  TComInterpolationFilter() {}
81  ~TComInterpolationFilter() {}
82
83  Void filterHorLuma  (Pel *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height, Int frac,               Bool isLast
84#if QC_ARP_D0177
85    ,
86    Bool filterType = 0
87#endif
88    );
89  Void filterVerLuma  (Pel *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height, Int frac, Bool isFirst, Bool isLast
90#if QC_ARP_D0177
91    ,
92    Bool filterType = 0
93#endif
94    );
95  Void filterHorChroma(Pel *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height, Int frac,               Bool isLast
96#if QC_ARP_D0177
97    ,
98    Bool filterType = 0
99#endif
100    );
101  Void filterVerChroma(Pel *src, Int srcStride, Short *dst, Int dstStride, Int width, Int height, Int frac, Bool isFirst, Bool isLast
102#if QC_ARP_D0177
103    ,
104    Bool filterType = 0
105#endif
106    );
107};
108
109//! \}
110
111#endif
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