152 lines
5.1 KiB
C++
152 lines
5.1 KiB
C++
/*!
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* \copy
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* Copyright (c) 2009-2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* \file decoder.h
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*
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* \brief Interfaces introduced in decoder system architecture
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*
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* \date 03/10/2009 Created
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*
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*************************************************************************************
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*/
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#ifndef WELS_DECODER_SYSTEM_ARCHITECTURE_H__
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#define WELS_DECODER_SYSTEM_ARCHITECTURE_H__
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#include "typedefs.h"
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#include "decoder_context.h"
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namespace WelsDec {
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#ifdef __cplusplus
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extern "C" {
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#endif//__cplusplus
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/*!
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* \brief configure decoder parameters
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*/
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int32_t DecoderConfigParam (PWelsDecoderContext pCtx, const void_t* kpParam);
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/*!
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*************************************************************************************
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* \brief Initialize Wels decoder parameters and memory
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*
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* \param pCtx input context to be initialized at first stage
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* \param pTraceHandle handle for trace
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* \param pLo log info pointer
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*
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* \return 0 - successed
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* \return 1 - failed
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*
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* \note N/A
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*************************************************************************************
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*/
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int32_t WelsInitDecoder (PWelsDecoderContext pCtx, void_t* pTraceHandle, PWelsLogCallbackFunc pLog);
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/*!
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*************************************************************************************
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* \brief Uninitialize Wels decoder parameters and memory
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*
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* \param pCtx input context to be uninitialized at release stage
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*
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* \return NONE
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*
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* \note N/A
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*************************************************************************************
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*/
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void_t WelsEndDecoder (PWelsDecoderContext pCtx);
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/*!
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*************************************************************************************
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* \brief First entrance to decoding core interface.
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*
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* \param pCtx decoder context
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* \param pBufBs bit streaming buffer
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* \param kBsLen size in bytes length of bit streaming buffer input
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* \param ppDst picture payload data to be output
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* \param pDstBufInfo buf information of ouput data
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*
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* \return 0 - successed
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* \return 1 - failed
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*
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* \note N/A
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*************************************************************************************
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*/
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int32_t WelsDecodeBs (PWelsDecoderContext pCtx, const uint8_t* kpBsBuf, const int32_t kiBsLen,
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uint8_t** ppDst, SBufferInfo* pDstBufInfo);
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/*
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* request memory blocks for decoder avc part
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*/
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int32_t WelsRequestMem (PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight);
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/*
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* free memory blocks in avc
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*/
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void_t WelsFreeMem (PWelsDecoderContext pCtx);
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/*
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* set colorspace format in decoder
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*/
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int32_t DecoderSetCsp (PWelsDecoderContext pCtx, const int32_t kiColorFormat);
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/*!
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* \brief make sure synchonozization picture resolution (get from slice header) among different parts (i.e, memory related and so on)
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* over decoder internal
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* ( MB coordinate and parts of data within decoder context structure )
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* \param pCtx Wels decoder context
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* \param iMbWidth MB width
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* \pram iMbHeight MB height
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* \return 0 - successful; none 0 - something wrong
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*/
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int32_t SyncPictureResolutionExt (PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight);
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/*!
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* \brief update maximal picture width and height if applicable when receiving a SPS NAL
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*/
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void_t UpdateMaxPictureResolution (PWelsDecoderContext pCtx, const int32_t kiCurWidth, const int32_t kiCurHeight);
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void_t AssignFuncPointerForRec (PWelsDecoderContext pCtx);
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void_t ResetParameterSetsState (PWelsDecoderContext pCtx);
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void_t GetVclNalTemporalId (PWelsDecoderContext pCtx); //get the info that whether or not have VCL NAL in current AU,
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//and if YES, get the temporal ID
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#ifdef __cplusplus
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}
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#endif//__cplusplus
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} // namespace WelsDec
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#endif//WELS_DECODER_SYSTEM_ARCHITECTURE_H__
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