/*! * \copy *     Copyright (c)  2009-2013, 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. * * * \file    decoder.h * * \brief   Interfaces introduced in decoder system architecture * * \date    03/10/2009 Created * ************************************************************************************* */#ifndef WELS_DECODER_SYSTEM_ARCHITECTURE_H__#define WELS_DECODER_SYSTEM_ARCHITECTURE_H__ #include "typedefs.h"#include "decoder_context.h" #ifdef __cplusplusextern "C" {#endif//__cplusplus /*! * \brief   configure decoder parameters */int32_t DecoderConfigParam (PWelsDecoderContext pCtx, const SDecodingParam* kpParam); /*! * \brief   fill in default values of decoder context */void WelsDecoderDefaults (PWelsDecoderContext pCtx, SLogContext* pLogCtx); /** fill last decoded picture info*/void WelsDecoderLastDecPicInfoDefaults (SWelsLastDecPicInfo *sLastDecPicInfo); /*!* \brief   fill data fields in SPS and PPS default for decoder context*/void WelsDecoderSpsPpsDefaults (SWelsDecoderSpsPpsCTX *sSpsPpsCtx); /*!* \brief   copy SpsPps from one Ctx to another ctx for threaded code*/void CopySpsPps (PWelsDecoderContext pFromCtx, PWelsDecoderContext pToCtx); /*! ************************************************************************************* * \brief   Initialize Wels decoder parameters and memory * * \param   pCtx            input context to be initialized at first stage * \param   pTraceHandle    handle for trace * \param   pLo             log info pointer * * \return  0 - successed * \return  1 - failed * * \note    N/A ************************************************************************************* */int32_t WelsInitDecoder (PWelsDecoderContext pCtx, SLogContext* pLogCtx); /*! ************************************************************************************* * \brief   Uninitialize Wels decoder parameters and memory * * \param   pCtx    input context to be uninitialized at release stage * * \return  NONE * * \note    N/A ************************************************************************************* */void WelsEndDecoder (PWelsDecoderContext pCtx); /*! ************************************************************************************* * \brief   First entrance to decoding core interface. * * \param   pCtx            decoder context * \param   pBufBs          bit streaming buffer * \param   kBsLen          size in bytes length of bit streaming buffer input * \param   ppDst           picture payload data to be output * \param   pDstBufInfo     buf information of ouput data * * \return  0 - successed * \return  1 - failed * * \note    N/A ************************************************************************************* */ int32_t WelsDecodeBs (PWelsDecoderContext pCtx, const uint8_t* kpBsBuf, const int32_t kiBsLen,                      uint8_t** ppDst, SBufferInfo* pDstBufInfo, SParserBsInfo* pDstBsInfo); /* *  request memory blocks for decoder avc part */int32_t WelsRequestMem (PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight,                        bool *bReallocFlag);  /* *  free memory dynamically allocated during decoder */void WelsFreeDynamicMemory (PWelsDecoderContext pCtx); /*! * \brief   make sure synchonozization picture resolution (get from slice header) among different parts (i.e, memory related and so on) *          over decoder internal * ( MB coordinate and parts of data within decoder context structure ) * \param   pCtx        Wels decoder context * \param   iMbWidth    MB width * \pram    iMbHeight   MB height * \return  0 - successful; none 0 - something wrong */int32_t SyncPictureResolutionExt (PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight); /*! * \brief   init decoder predictive function pointers including ASM functions during MB reconstruction * \param   pCtx        Wels decoder context * \param   uiCpuFlag   cpu assembly indication */void InitPredFunc (PWelsDecoderContext pCtx, uint32_t uiCpuFlag); /*! * \brief   init decoder internal function pointers including ASM functions * \param   pCtx        Wels decoder context * \param   uiCpuFlag   cpu assembly indication */void InitDecFuncs (PWelsDecoderContext pCtx, uint32_t uiCpuFlag); void GetVclNalTemporalId (PWelsDecoderContext pCtx); //get the info that whether or not have VCL NAL in current AU,//and if YES, get the temporal ID //reset decoder number related statistics infovoid ResetDecStatNums (SDecoderStatistics* pDecStat);//update information when freezing occurs, including IDR/non-IDR numbervoid UpdateDecStatFreezingInfo (const bool kbIdrFlag, SDecoderStatistics* pDecStat);//update information when no freezing occurs, including QP, correct IDR number, ECed IDR numbervoid UpdateDecStatNoFreezingInfo (PWelsDecoderContext pCtx);//update decoder statistics informationvoid UpdateDecStat (PWelsDecoderContext pCtx, const bool kbOutput);//Destroy picutre buffervoid DestroyPicBuff (PWelsDecoderContext pCtx, PPicBuff* ppPicBuf, CMemoryAlign* pMa);//reset picture reodering buffer listvoid ResetReorderingPictureBuffers (PPictReoderingStatus pPictReoderingStatus, PPictInfo pPictInfo,                                    const bool bFullReset); #ifdef __cplusplus}#endif//__cplusplus #endif//WELS_DECODER_SYSTEM_ARCHITECTURE_H__