1 /*! 2 * \copy 3 * Copyright (c) 2004-2013, Cisco Systems 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 //bit_stream.h - bit-stream reading and / writing auxiliary data 34 #ifndef WELS_BIT_STREAM_H__ 35 #define WELS_BIT_STREAM_H__ 36 37 #include "typedefs.h" 38 #include "wels_common_defs.h" 39 #include "golomb_common.h" 40 41 using namespace WelsCommon; 42 43 namespace WelsDec { 44 45 /*! 46 * \brief input bits for decoder or initialize bitstream writing in encoder 47 * 48 * \param pBitString Bit string auxiliary pointer 49 * \param kpBuf bit-stream buffer 50 * \param kiSize size in bits for decoder; size in bytes for encoder 51 * 52 * \return size of buffer data in byte; failed in -1 return 53 */ 54 int32_t DecInitBits (PBitStringAux pBitString, const uint8_t* kpBuf, const int32_t kiSize); 55 56 int32_t InitReadBits (PBitStringAux pBitString, intX_t iEndOffset); 57 58 void RBSP2EBSP (uint8_t* pDstBuf, uint8_t* pSrcBuf, const int32_t kiSize); 59 60 } // namespace WelsDec 61 62 #endif//WELS_BIT_STREAM_H__ 63