ref: 4e3df2619af9044c89e6e48f2fca670f71476be8
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__