/*! * \copy *     Copyright (c)  2013, Cisco Systems *     All rights reserved. * *     Redistribution and use in source and binary forms, with or without *     modification, are permitted provided that the following conditions *     are met: * *        * Redistributions of source code must retain the above copyright *          notice, this list of conditions and the following disclaimer. * *        * Redistributions in binary form must reproduce the above copyright *          notice, this list of conditions and the following disclaimer in *          the documentation and/or other materials provided with the *          distribution. * *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *     POSSIBILITY OF SUCH DAMAGE. * */ #ifndef WELS_VLC_ENCODER_H__#define WELS_VLC_ENCODER_H__ #include "svc_enc_golomb.h" /************************************************************************//* VLC FOR WELS ENCODER                                                 *//************************************************************************/ namespace WelsEnc { //g_kuiVlcCoeffToken[uiNc][total-coeff][trailing-ones][0--value, 1--bit count]extern const uint8_t g_kuiVlcCoeffToken[5][17][4][2];extern const uint8_t g_kuiVlcLevelPrefix[15][2];//g_kuiVlcTotalZeros[tzVlcIndex][uiTotalZeros][0--value, 1--bit count]extern const uint8_t g_kuiVlcTotalZeros[16][16][2];extern const uint8_t g_kuiVlcTotalZerosChromaDc[4][4][2];//add for mgsextern const uint8_t g_kuiVlcTotalZerosChromaDc422[8][8][2];//g_kuiVlcRunBefore[zeros-left][run-before][0--value, 1--bit count]extern const uint8_t g_kuiVlcRunBefore[8][15][2];extern const ALIGNED_DECLARE (uint8_t, g_kuiEncNcMapTable[18], 16); #define    CHROMA_DC_NC_OFFSET       17 static inline int32_t WriteTotalCoeffTrailingones (SBitStringAux* pBs, uint8_t uiNc, uint8_t uiTotalCoeff,    uint8_t uiTrailingOnes) {const uint8_t kuiNcIdx      = g_kuiEncNcMapTable[uiNc];const uint8_t* kpCoeffToken = &g_kuiVlcCoeffToken[kuiNcIdx][uiTotalCoeff][uiTrailingOnes][0];return BsWriteBits (pBs,  kpCoeffToken[1], kpCoeffToken[0]);} static inline int32_t WriteTotalcoeffTrailingonesChroma (SBitStringAux* pBs, uint8_t uiTotalCoeff,    uint8_t uiTrailingOnes) {const uint8_t* kpCoeffToken = &g_kuiVlcCoeffToken[4][uiTotalCoeff][uiTrailingOnes][0];return BsWriteBits (pBs, kpCoeffToken[1], kpCoeffToken[0]);} //kuiZeroCount = level_prefix;static inline int32_t WriteLevelPrefix (SBitStringAux* pBs, const uint32_t kuiZeroCount) {BsWriteBits (pBs, kuiZeroCount + 1, 1);return 0;} static inline int32_t WriteTotalZeros (SBitStringAux* pBs, uint32_t uiTotalCoeff, uint32_t uiTotalZeros) {const uint8_t* kpTotalZeros = &g_kuiVlcTotalZeros[uiTotalCoeff][uiTotalZeros][0];return BsWriteBits (pBs, kpTotalZeros[1], kpTotalZeros[0]);} static inline int32_t WriteTotalZerosChromaDc (SBitStringAux* pBs, uint32_t uiTotalCoeff, uint32_t uiTotalZeros) {const uint8_t* kpTotalZerosChromaDc = &g_kuiVlcTotalZerosChromaDc[uiTotalCoeff][uiTotalZeros][0];return BsWriteBits (pBs, kpTotalZerosChromaDc[1], kpTotalZerosChromaDc[0]);} static inline int32_t WriteRunBefore (SBitStringAux* pBs, uint8_t uiZeroLeft, uint8_t uiRunBefore) {const uint8_t* kpRunBefore = &g_kuiVlcRunBefore[uiZeroLeft][uiRunBefore][0];return BsWriteBits (pBs, kpRunBefore[1], kpRunBefore[0]);}}#endif