ref: e02020c27d1b005c1e5e6dcdddd7268ab58125c6
dir: /codec/decoder/core/inc/decoder.h/
/*! * \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" namespace WelsDec { #ifdef __cplusplus extern "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); /*! ************************************************************************************* * \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 info void ResetDecStatNums (SDecoderStatistics* pDecStat); //update information when freezing occurs, including IDR/non-IDR number void UpdateDecStatFreezingInfo (const bool kbIdrFlag, SDecoderStatistics* pDecStat); //update information when no freezing occurs, including QP, correct IDR number, ECed IDR number void UpdateDecStatNoFreezingInfo (PWelsDecoderContext pCtx); //update decoder statistics information void UpdateDecStat (PWelsDecoderContext pCtx, const bool kbOutput); //Destroy picutre buffer void DestroyPicBuff (PPicBuff* ppPicBuf, CMemoryAlign* pMa); #ifdef __cplusplus } #endif//__cplusplus } // namespace WelsDec #endif//WELS_DECODER_SYSTEM_ARCHITECTURE_H__