/*! * \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_DECODER_H__#define WELS_VLC_DECODER_H__ #include "bit_stream.h"#include "dec_golomb.h" namespace WelsDec { typedef struct TagVlcTable {const uint8_t (*kpCoeffTokenVlcTable[4][8])[2];const uint8_t (*kpChromaCoeffTokenVlcTable)[2];const uint8_t (*kpZeroTable[7])[2];const uint8_t (*kpTotalZerosTable[2][15])[2];} SVlcTable; // for data sharing cross modules and try to reduce size of binary generatedextern const uint8_t g_kuiVlcChromaTable[256][2];extern const uint8_t g_kuiVlcTable_0[256][2];extern const uint8_t g_kuiVlcTable_0_0[256][2];extern const uint8_t g_kuiVlcTable_0_1[4][2];extern const uint8_t g_kuiVlcTable_0_2[2][2];extern const uint8_t g_kuiVlcTable_0_3[2][2];extern const uint8_t g_kuiVlcTable_1[256][2];extern const uint8_t g_kuiVlcTable_1_0[64][2];extern const uint8_t g_kuiVlcTable_1_1[8][2];extern const uint8_t g_kuiVlcTable_1_2[2][2];extern const uint8_t g_kuiVlcTable_1_3[2][2];extern const uint8_t g_kuiVlcTable_2[256][2];extern const uint8_t g_kuiVlcTable_2_0[4][2];extern const uint8_t g_kuiVlcTable_2_1[4][2];extern const uint8_t g_kuiVlcTable_2_2[4][2];extern const uint8_t g_kuiVlcTable_2_3[4][2];extern const uint8_t g_kuiVlcTable_2_4[2][2];extern const uint8_t g_kuiVlcTable_2_5[2][2];extern const uint8_t g_kuiVlcTable_2_6[2][2];extern const uint8_t g_kuiVlcTable_2_7[2][2];extern const uint8_t g_kuiVlcTable_3[64][2];extern const uint8_t g_kuiVlcTableNeedMoreBitsThread[3];extern const uint8_t g_kuiVlcTableMoreBitsCount0[4];extern const uint8_t g_kuiVlcTableMoreBitsCount1[4];extern const uint8_t g_kuiVlcTableMoreBitsCount2[8];extern const uint8_t g_kuiNcMapTable[17];extern const uint8_t g_kuiVlcTrailingOneTotalCoeffTable[62][2];extern const uint8_t g_kuiTotalZerosTable0[512][2];extern const uint8_t g_kuiTotalZerosTable1[64][2];extern const uint8_t g_kuiTotalZerosTable2[64][2];extern const uint8_t g_kuiTotalZerosTable3[32][2];extern const uint8_t g_kuiTotalZerosTable4[32][2];extern const uint8_t g_kuiTotalZerosTable5[64][2];extern const uint8_t g_kuiTotalZerosTable6[64][2];extern const uint8_t g_kuiTotalZerosTable7[64][2];extern const uint8_t g_kuiTotalZerosTable8[64][2];extern const uint8_t g_kuiTotalZerosTable9[32][2];extern const uint8_t g_kuiTotalZerosTable10[16][2];extern const uint8_t g_kuiTotalZerosTable11[16][2];extern const uint8_t g_kuiTotalZerosTable12[8][2];extern const uint8_t g_kuiTotalZerosTable13[4][2];extern const uint8_t g_kuiTotalZerosTable14[2][2];extern const uint8_t g_kuiTotalZerosBitNumMap[15];extern const uint8_t g_kuiTotalZerosChromaTable0[8][2];extern const uint8_t g_kuiTotalZerosChromaTable1[4][2];extern const uint8_t g_kuiTotalZerosChromaTable2[2][2];extern const uint8_t g_kuiTotalZerosBitNumChromaMap[3];extern const uint8_t g_kuiZeroLeftTable0[2][2];extern const uint8_t g_kuiZeroLeftTable1[4][2];extern const uint8_t g_kuiZeroLeftTable2[4][2];extern const uint8_t g_kuiZeroLeftTable3[8][2];extern const uint8_t g_kuiZeroLeftTable4[8][2];extern const uint8_t g_kuiZeroLeftTable5[8][2];extern const uint8_t g_kuiZeroLeftTable6[8][2];extern const uint8_t g_kuiZeroLeftBitNumMap[16]; #if defined(_MSC_VER) && defined(_M_IX86)//TODO need linux version#define WELS_GET_PREFIX_BITS(inval,outval){\	uint32_t local = inval;\	__asm xor		eax,	eax\	__asm bsr		eax,	local\	__asm sub		eax,	32\	__asm neg		eax\	__asm mov		outval,	eax\}#else#define WELS_GET_PREFIX_BITS(inval, outval) outval = GetPrefixBits(inval)#endif static inline void InitVlcTable (SVlcTable* pVlcTable) {pVlcTable->kpChromaCoeffTokenVlcTable = g_kuiVlcChromaTable; pVlcTable->kpCoeffTokenVlcTable[0][0] = g_kuiVlcTable_0;pVlcTable->kpCoeffTokenVlcTable[0][1] = g_kuiVlcTable_1;pVlcTable->kpCoeffTokenVlcTable[0][2] = g_kuiVlcTable_2;pVlcTable->kpCoeffTokenVlcTable[0][3] = g_kuiVlcTable_3; pVlcTable->kpCoeffTokenVlcTable[1][0] = g_kuiVlcTable_0_0;pVlcTable->kpCoeffTokenVlcTable[1][1] = g_kuiVlcTable_0_1;pVlcTable->kpCoeffTokenVlcTable[1][2] = g_kuiVlcTable_0_2;pVlcTable->kpCoeffTokenVlcTable[1][3] = g_kuiVlcTable_0_3; pVlcTable->kpCoeffTokenVlcTable[2][0] = g_kuiVlcTable_1_0;pVlcTable->kpCoeffTokenVlcTable[2][1] = g_kuiVlcTable_1_1;pVlcTable->kpCoeffTokenVlcTable[2][2] = g_kuiVlcTable_1_2;pVlcTable->kpCoeffTokenVlcTable[2][3] = g_kuiVlcTable_1_3; pVlcTable->kpCoeffTokenVlcTable[3][0] = g_kuiVlcTable_2_0;pVlcTable->kpCoeffTokenVlcTable[3][1] = g_kuiVlcTable_2_1;pVlcTable->kpCoeffTokenVlcTable[3][2] = g_kuiVlcTable_2_2;pVlcTable->kpCoeffTokenVlcTable[3][3] = g_kuiVlcTable_2_3;pVlcTable->kpCoeffTokenVlcTable[3][4] = g_kuiVlcTable_2_4;pVlcTable->kpCoeffTokenVlcTable[3][5] = g_kuiVlcTable_2_5;pVlcTable->kpCoeffTokenVlcTable[3][6] = g_kuiVlcTable_2_6;pVlcTable->kpCoeffTokenVlcTable[3][7] = g_kuiVlcTable_2_7; pVlcTable->kpZeroTable[0] = g_kuiZeroLeftTable0;pVlcTable->kpZeroTable[1] = g_kuiZeroLeftTable1;pVlcTable->kpZeroTable[2] = g_kuiZeroLeftTable2;pVlcTable->kpZeroTable[3] = g_kuiZeroLeftTable3;pVlcTable->kpZeroTable[4] = g_kuiZeroLeftTable4;pVlcTable->kpZeroTable[5] = g_kuiZeroLeftTable5;pVlcTable->kpZeroTable[6] = g_kuiZeroLeftTable6; pVlcTable->kpTotalZerosTable[0][0] = g_kuiTotalZerosTable0;pVlcTable->kpTotalZerosTable[0][1] = g_kuiTotalZerosTable1;pVlcTable->kpTotalZerosTable[0][2] = g_kuiTotalZerosTable2;pVlcTable->kpTotalZerosTable[0][3] = g_kuiTotalZerosTable3;pVlcTable->kpTotalZerosTable[0][4] = g_kuiTotalZerosTable4;pVlcTable->kpTotalZerosTable[0][5] = g_kuiTotalZerosTable5;pVlcTable->kpTotalZerosTable[0][6] = g_kuiTotalZerosTable6;pVlcTable->kpTotalZerosTable[0][7] = g_kuiTotalZerosTable7;pVlcTable->kpTotalZerosTable[0][8] = g_kuiTotalZerosTable8;pVlcTable->kpTotalZerosTable[0][9] = g_kuiTotalZerosTable9;pVlcTable->kpTotalZerosTable[0][10] = g_kuiTotalZerosTable10;pVlcTable->kpTotalZerosTable[0][11] = g_kuiTotalZerosTable11;pVlcTable->kpTotalZerosTable[0][12] = g_kuiTotalZerosTable12;pVlcTable->kpTotalZerosTable[0][13] = g_kuiTotalZerosTable13;pVlcTable->kpTotalZerosTable[0][14] = g_kuiTotalZerosTable14;pVlcTable->kpTotalZerosTable[1][0] = g_kuiTotalZerosChromaTable0;pVlcTable->kpTotalZerosTable[1][1] = g_kuiTotalZerosChromaTable1;pVlcTable->kpTotalZerosTable[1][2] = g_kuiTotalZerosChromaTable2; } } // namespace WelsDec #endif//WELS_VLC_DECODER_H__