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1 /* The copyright in this software is being made available under the BSD
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2 * License, included below. This software may be subject to other third party
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3 * and contributor rights, including patent rights, and no such rights are
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4 * granted under this license.
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5 *
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6 * Copyright (c) 2010-2014, ITU/ISO/IEC
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7 * All rights reserved.
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8 *
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9 * Redistribution and use in source and binary forms, with or without
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10 * modification, are permitted provided that the following conditions are met:
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11 *
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12 * * Redistributions of source code must retain the above copyright notice,
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13 * this list of conditions and the following disclaimer.
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14 * * Redistributions in binary form must reproduce the above copyright notice,
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15 * this list of conditions and the following disclaimer in the documentation
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16 * and/or other materials provided with the distribution.
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17 * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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18 * be used to endorse or promote products derived from this software without
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19 * specific prior written permission.
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20 *
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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31 * THE POSSIBILITY OF SUCH DAMAGE.
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32 */
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33
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34 /** \file WeightPredAnalysis.h
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35 \brief weighted prediction encoder class
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36 */
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37 #ifndef __WEIGHTPREDANALYSIS__
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38 #define __WEIGHTPREDANALYSIS__
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39
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40 #include "../TLibCommon/TypeDef.h"
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41 #include "../TLibCommon/TComSlice.h"
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42 #include "TEncCavlc.h"
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43
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44 class WeightPredAnalysis
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45 {
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46 private:
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47
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48 // member variables
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49 Bool m_weighted_pred_flag;
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50 Bool m_weighted_bipred_flag;
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51 WPScalingParam m_wp[NUM_REF_PIC_LIST_01][MAX_NUM_REF][MAX_NUM_COMPONENT];
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52
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53 // member functions
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54
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55 Bool xSelectWP (TComSlice *const slice, const Int log2Denom);
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56 Bool xUpdatingWPParameters(TComSlice *const slice, const Int log2Denom);
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57
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58 Int64 xCalcSADvalueWP (const Int bitDepth,
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59 const Pel *pOrgPel,
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60 const Pel *pRefPel,
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61 const Int iWidth,
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62 const Int iHeight,
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63 const Int iOrgStride,
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64 const Int iRefStride,
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65 const Int iLog2Denom,
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66 const Int iWeight,
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67 const Int iOffset,
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68 const Bool useHighPrecisionPredictionWeighting);
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69
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70 public:
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71
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72 WeightPredAnalysis();
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73
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74 // WP analysis :
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75 Void xCalcACDCParamSlice (TComSlice *const slice);
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76 Void xEstimateWPParamSlice(TComSlice *const slice);
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77 Void xStoreWPparam (const Bool weighted_pred_flag, const Bool weighted_bipred_flag);
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78 Void xRestoreWPparam (TComSlice *const slice);
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79 Void xCheckWPEnable (TComSlice *const slice);
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80 };
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81
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82 #endif // __WEIGHTPREDANALYSIS__
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