108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/*!
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* \copy
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* Copyright (c) 2009-2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* \file mv_pred.h
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*
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* \brief Get MV predictor and update motion vector of mb cache
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*
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* \date 05/22/2009 Created
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*
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*************************************************************************************
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*/
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#ifndef WELS_MV_PRED_H__
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#define WELS_MV_PRED_H__
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#include "dec_frame.h"
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namespace WelsDec {
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/*!
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* \brief update mv and ref_index cache for current MB, only for P_16x16 (SKIP inclusive)
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* \param
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* \param
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*/
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void UpdateP16x16MotionInfo (PDqLayer pCurDqLayer, int8_t iRef, int16_t iMVs[2]);
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/*!
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* \brief update mv and ref_index cache for current MB, only for P_16x8
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* \param
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* \param
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*/
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void UpdateP16x8MotionInfo (PDqLayer pCurDqLayer, int16_t iMotionVector[LIST_A][30][MV_A],
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int8_t iRefIndex[LIST_A][30],
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int32_t iPartIdx, int8_t iRef, int16_t iMVs[2]);
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/*!
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* \brief update mv and ref_index cache for current MB, only for P_8x16
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* \param
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* \param
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*/
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void UpdateP8x16MotionInfo (PDqLayer pCurDqLayer, int16_t iMotionVector[LIST_A][30][MV_A],
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int8_t iRefIndex[LIST_A][30],
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int32_t iPartIdx, int8_t iRef, int16_t iMVs[2]);
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/*!
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* \brief get the motion predictor for skip mode
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* \param
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* \param output iMvp[]
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*/
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void PredPSkipMvFromNeighbor (PDqLayer pCurLayer, int16_t iMvp[2]);
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/*!
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* \brief get the motion predictor for 4*4 or 8*8 or 16*16 block
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* \param
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* \param output iMvp[]
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*/
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void PredMv (int16_t iMotionVector[LIST_A][30][MV_A], int8_t iRefIndex[LIST_A][30],
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int32_t iPartIdx, int32_t iPartWidth, int8_t iRef, int16_t iMVP[2]);
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/*!
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* \brief get the motion predictor for inter16x8 MB
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* \param
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* \param output mvp_x and mvp_y
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*/
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void PredInter16x8Mv (int16_t iMotionVector[LIST_A][30][MV_A], int8_t iRefIndex[LIST_A][30],
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int32_t iPartIdx, int8_t iRef, int16_t iMVP[2]);
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/*!
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* \brief get the motion predictor for inter8x16 MB
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* \param
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* \param output mvp_x and mvp_y
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*/
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void PredInter8x16Mv (int16_t iMotionVector[LIST_A][30][MV_A], int8_t iRefIndex[LIST_A][30],
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int32_t iPartIdx, int8_t iRef, int16_t iMVP[2]);
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} // namespace WelsDec
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#endif//WELS_MV_PRED_H__
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