ref: 3331ff656676a43e5fd97327c569734399d5fa40
dir: /codec/decoder/core/src/decoder.cpp/
/*!
* \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.c
*
* \brief Interfaces implementation introduced in decoder system architecture
*
* \date 03/10/2009 Created
*
*************************************************************************************
*/
#include <string.h>
#include "macros.h"
#include "codec_def.h"
#include "decoder.h"
#include "error_code.h"
#include "cpu.h"
#include "cpu_core.h"
#include "au_parser.h"
#include "utils.h"
#include "nal_prefix.h"
#include "dec_frame.h"
#include "pic_queue.h"
#include "vlc_decoder.h"
#include "get_intra_predictor.h"
#include "rec_mb.h"
#include "mc.h"
#include "decode_mb_aux.h"
#include "manage_dec_ref.h"
#include "codec_app_def.h"
#include "decoder_core.h"
#include "deblocking.h"
#include "expand_pic.h"
#include "decode_slice.h"
#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
#include "mem_align.h"
namespace WelsDec {
extern PPicture AllocPicture( PWelsDecoderContext pCtx,const int32_t kiPicWidth, const int32_t kiPicHeight );
extern void_t FreePicture( PPicture pPic );
#ifdef WORDS_BIGENDIAN
inline void_t GetValueOf4Bytes( uint8_t* pDstNal, int32_t iDdstIdx )
{
pDstNal[0] = (iDdstIdx & 0xff000000) >> 24;
pDstNal[1] = (iDdstIdx & 0xff0000) >> 16;
pDstNal[2] = (iDdstIdx & 0xff00) >> 8;
pDstNal[3] = (iDdstIdx & 0xff);
}
#else //WORDS_BIGENDIAN
inline void_t GetValueOf4Bytes( uint8_t* pDstNal, int32_t iDdstIdx )
{
pDstNal[0] = (iDdstIdx & 0xff);
pDstNal[1] = (iDdstIdx & 0xff00) >> 8;
pDstNal[2] = (iDdstIdx & 0xff0000) >> 16;
pDstNal[3] = (iDdstIdx & 0xff000000) >> 24;
}
#endif //WORDS_BIGENDIAN
static int32_t CreatePicBuff(PWelsDecoderContext pCtx, PPicBuff *ppPicBuf, const int32_t kiSize, const int32_t kiPicWidth, const int32_t kiPicHeight)
{
PPicBuff pPicBuf = NULL;
int32_t iPicIdx = 0;
if (kiSize <= 0 || kiPicWidth <= 0 || kiPicHeight <= 0)
{
return 1;
}
pPicBuf = (PPicBuff)WelsMalloc( sizeof(SPicBuff), "PPicBuff" );
if ( NULL == pPicBuf )
{
return 1;
}
pPicBuf->ppPic = (PPicture *)WelsMalloc(kiSize * sizeof(PPicture), "PPicture*");
if ( NULL == pPicBuf->ppPic )
{
return 1;
}
for (iPicIdx = 0; iPicIdx < kiSize; ++ iPicIdx)
{
PPicture pPic = AllocPicture( pCtx, kiPicWidth, kiPicHeight );
if ( NULL == pPic )
{
return 1;
}
pPicBuf->ppPic[iPicIdx] = pPic;
}
// initialize context in queue
pPicBuf->iCapacity = kiSize;
pPicBuf->iCurrentIdx = 0;
*ppPicBuf = pPicBuf;
return 0;
}
static void_t DestroyPicBuff( PPicBuff *ppPicBuf )
{
PPicBuff pPicBuf = NULL;
if ( NULL == ppPicBuf || NULL == *ppPicBuf )
return;
pPicBuf = *ppPicBuf;
while(pPicBuf->ppPic != NULL)
{
int32_t iPicIdx = 0;
while (iPicIdx < pPicBuf->iCapacity)
{
PPicture pPic = pPicBuf->ppPic[iPicIdx];
if(pPic != NULL)
{
FreePicture( pPic );
}
pPic = NULL;
++ iPicIdx;
}
WelsFree(pPicBuf->ppPic, "pPicBuf->queue");
pPicBuf->ppPic = NULL;
}
pPicBuf->iCapacity = 0;
pPicBuf->iCurrentIdx= 0;
WelsFree( pPicBuf, "pPicBuf" );
pPicBuf = NULL;
*ppPicBuf = NULL;
}
/*
* fill data fields in default for decoder context
*/
void_t WelsDecoderDefaults( PWelsDecoderContext pCtx )
{
int32_t iCpuCores = 1;
memset( pCtx, 0, sizeof(SWelsDecoderContext) ); // fill zero first
pCtx->pArgDec = NULL;
pCtx->iOutputColorFormat = videoFormatI420; // yuv in default
pCtx->bHaveGotMemory = false; // not ever request memory blocks for decoder context related
pCtx->uiCpuFlag = 0;
pCtx->bAuReadyFlag = 0; // au data is not ready
g_uiCacheLineSize = 16;
#if defined(X86_ASM)
pCtx->uiCpuFlag = WelsCPUFeatureDetect(&iCpuCores);
#ifdef HAVE_CACHE_LINE_ALIGN
if ( pCtx->uiCpuFlag & WELS_CPU_CACHELINE_64 )
{
g_uiCacheLineSize = 64;
}
else if ( pCtx->uiCpuFlag & WELS_CPU_CACHELINE_32 )
{
g_uiCacheLineSize = 32;
}
#endif//HAVE_CACHE_LINE_ALIGN
#endif//X86_ASM
pCtx->iImgWidthInPixel = 0;
pCtx->iImgHeightInPixel = 0; // alloc picture data when picture size is available
pCtx->iFrameNum = -1;
pCtx->iPrevFrameNum = -1;
pCtx->iErrorCode = ERR_NONE;
pCtx->pDec = NULL;
WelsResetRefPic(pCtx);
pCtx->iActiveFmoNum = 0;
pCtx->pPicBuff[LIST_0] = NULL;
pCtx->pPicBuff[LIST_1] = NULL;
pCtx->bAvcBasedFlag = true;
}
/*
* destory_mb_blocks
*/
/*
* get size of reference picture list in target layer incoming, = (iNumRefFrames x 2)
*/
static inline int32_t GetTargetRefListSize( PWelsDecoderContext pCtx )
{
bool_t *pSubsetSpsAvail= &pCtx->bSubspsAvailFlags[0];
bool_t *pSpsAvail = &pCtx->bSpsAvailFlags[0];
int32_t iSubsetIdx = -1;
int32_t iSpsIdx = -1;
bool_t bExistSubsetSps = false;
int32_t bExistSps = false;
int32_t iPos = MAX_SPS_COUNT - 1;
int32_t iNumRefFrames = 0;
while (iPos >= 0)
{
if ( pSubsetSpsAvail[iPos] )
{
bExistSubsetSps = true;
iSubsetIdx = iPos;
break;
}
-- iPos;
}
if ( !bExistSubsetSps )
{
iPos = MAX_SPS_COUNT - 1;
while (iPos >= 0)
{
if ( pSpsAvail[iPos] )
{
bExistSps = true;
iSpsIdx = iPos;
break;
}
-- iPos;
}
}
if ( !(bExistSubsetSps || bExistSps) )
{
iNumRefFrames = MAX_REF_PIC_COUNT;
}
else
{
PSps pSps = bExistSubsetSps ? (&pCtx->sSubsetSpsBuffer[iSubsetIdx].sSps) : (&pCtx->sSpsBuffer[iSpsIdx]);
iNumRefFrames = (pSps->iNumRefFrames ) + 1;
}
if ( 0 == iNumRefFrames )
iNumRefFrames = (MIN_REF_PIC_COUNT);
#ifdef LONG_TERM_REF
//pic_queue size minimum set 2
if (iNumRefFrames <2)
{
iNumRefFrames = 2;
}
#endif
return iNumRefFrames;
}
/*
* request memory blocks for decoder avc part
*/
int32_t WelsRequestMem( PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight )
{
const int32_t kiPicWidth = kiMbWidth << 4;
const int32_t kiPicHeight = kiMbHeight << 4;
int32_t iErr = ERR_NONE;
int32_t iListIdx = 0; //, mb_blocks = 0;
int32_t iPicQueueSize = 0; // adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
bool_t bNeedChangePicQueue = true;
WELS_VERIFY_RETURN_IF( ERR_INFO_INVALID_PARAM, ( NULL == pCtx || kiPicWidth <= 0 || kiPicHeight <= 0 ) )
// Fixed the issue about different gop size over last, 5/17/2010
// get picture queue size currently
iPicQueueSize = GetTargetRefListSize( pCtx ); // adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
pCtx->iPicQueueNumber = iPicQueueSize;
if ( pCtx->pPicBuff[LIST_0] != NULL && pCtx->pPicBuff[LIST_0]->iCapacity == iPicQueueSize ) // comparing current picture queue size requested and previous allocation picture queue
bNeedChangePicQueue = false;
// HD based pic buffer need consider memory size consumed when switch from 720p to other lower size
WELS_VERIFY_RETURN_IF( ERR_NONE, pCtx->bHaveGotMemory && ( kiPicWidth == pCtx->iImgWidthInPixel && kiPicHeight == pCtx->iImgHeightInPixel ) && (!bNeedChangePicQueue) ) // have same scaled buffer
// sync update pRefList
WelsResetRefPic( pCtx ); // added to sync update ref list due to pictures are free
// for Recycled_Pic_Queue
for ( iListIdx = LIST_0; iListIdx < LIST_A; ++ iListIdx )
{
PPicBuff *ppPic = &pCtx->pPicBuff[iListIdx];
if ( NULL != ppPic && NULL != *ppPic )
{
DestroyPicBuff( ppPic );
}
}
// currently only active for LIST_0 due to have no B frames
iErr = CreatePicBuff( pCtx, &pCtx->pPicBuff[LIST_0], iPicQueueSize, kiPicWidth, kiPicHeight );
if ( iErr != ERR_NONE )
return iErr;
pCtx->iImgWidthInPixel = kiPicWidth; // target width of image to be reconstruted while decoding
pCtx->iImgHeightInPixel = kiPicHeight; // target height of image to be reconstruted while decoding
pCtx->bHaveGotMemory = true; // global memory for decoder context related is requested
pCtx->pDec = NULL; // need prefetch a new pic due to spatial size changed
return ERR_NONE;
}
/*
* free memory blocks in avc
*/
void_t WelsFreeMem( PWelsDecoderContext pCtx )
{
int32_t iListIdx = 0;
/* TODO: free memory blocks introduced in avc */
ResetFmoList( pCtx );
WelsResetRefPic( pCtx );
// for sPicBuff
for ( iListIdx = LIST_0; iListIdx < LIST_A; ++ iListIdx )
{
PPicBuff *pPicBuff = &pCtx->pPicBuff[iListIdx];
if ( NULL != pPicBuff && NULL != *pPicBuff )
{
DestroyPicBuff( pPicBuff );
}
}
// added for safe memory
pCtx->iImgWidthInPixel = 0;
pCtx->iImgHeightInPixel = 0;
pCtx->bHaveGotMemory = false;
}
/*!
* \brief Open decoder
*/
void_t WelsOpenDecoder( PWelsDecoderContext pCtx )
{
// function pointers
//initial MC function pointer--
InitMcFunc(&(pCtx->sMcFunc), pCtx->uiCpuFlag);
InitExpandPictureFunc(&(pCtx->sExpandPicFunc), pCtx->uiCpuFlag);
AssignFuncPointerForRec(pCtx);
// vlc tables
InitVlcTable(&pCtx->sVlcTable);
// startup memory
if ( ERR_NONE != WelsInitMemory( pCtx ) )
return;
pCtx->iMaxWidthInSps = 0;
pCtx->iMaxHeightInSps = 0;
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true; // should be true to waiting IDR at incoming AU bits following, 6/4/2010
#endif //LONG_TERM_REF
}
/*!
* \brief Close decoder
*/
void_t WelsCloseDecoder( PWelsDecoderContext pCtx )
{
WelsFreeMem( pCtx );
WelsFreeMemory( pCtx );
UninitialDqLayersContext( pCtx );
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = false;
#else
pCtx->bReferenceLostAtT0Flag = false;
#endif
}
/*!
* \brief configure decoder parameters
*/
int32_t DecoderConfigParam ( PWelsDecoderContext pCtx, const void_t* kpParam )
{
if ( NULL == pCtx || NULL == kpParam )
return 1;
pCtx->pParam = (SDecodingParam *)WelsMalloc( sizeof(SDecodingParam), "SDecodingParam" );
if ( NULL == pCtx->pParam )
return 1;
memcpy( pCtx->pParam, kpParam, sizeof(SDecodingParam) );
pCtx->iOutputColorFormat = pCtx->pParam->iOutputColorFormat;
pCtx->bErrorResilienceFlag = pCtx->pParam->uiEcActiveFlag ? true : false;
if ( VIDEO_BITSTREAM_SVC == pCtx->pParam->sVideoProperty.eVideoBsType ||
VIDEO_BITSTREAM_AVC == pCtx->pParam->sVideoProperty.eVideoBsType )
{
pCtx->eVideoType = pCtx->pParam->sVideoProperty.eVideoBsType;
}
else
{
pCtx->eVideoType = VIDEO_BITSTREAM_DEFAULT;
}
WelsLog(pCtx, WELS_LOG_INFO, "eVideoType: %d\n", pCtx->eVideoType);
return 0;
}
/*!
*************************************************************************************
* \brief Initialize Wels decoder parameters and memory
*
* \param pCtx input context to be initialized at first stage
*
* \return 0 - successed
* \return 1 - failed
*
* \note N/A
*************************************************************************************
*/
int32_t WelsInitDecoder( PWelsDecoderContext pCtx, void_t * pTraceHandle, PWelsLogCallbackFunc pLog )
{
if ( pCtx == NULL ){
return ERR_INFO_INVALID_PTR;
}
// default
WelsDecoderDefaults( pCtx );
pCtx->pTraceHandle = pTraceHandle;
g_pLog = pLog;
// open decoder
WelsOpenDecoder( pCtx );
// decode mode setting
pCtx->iDecoderMode = SW_MODE;
pCtx->iSetMode = AUTO_MODE;
pCtx->iDecoderOutputProperty = BUFFER_HOST;
pCtx->iModeSwitchType = 0; // 0: do not do mode switch
return ERR_NONE;
}
/*!
*************************************************************************************
* \brief Uninitialize Wels decoder parameters and memory
*
* \param pCtx input context to be uninitialized at release stage
*
* \return NONE
*
* \note N/A
*************************************************************************************
*/
void_t WelsEndDecoder( PWelsDecoderContext pCtx )
{
// close decoder
WelsCloseDecoder( pCtx );
}
void_t GetVclNalTemporalId( PWelsDecoderContext pCtx )
{
PAccessUnit pAccessUnit = pCtx->pAccessUnitList;
int32_t idx = pAccessUnit->uiStartPos;
pCtx->iFeedbackVclNalInAu = FEEDBACK_VCL_NAL;
pCtx->iFeedbackTidInAu = pAccessUnit->pNalUnitsList[idx]->sNalHeaderExt.uiTemporalId;
}
/*!
*************************************************************************************
* \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)
{
if ( !pCtx->bEndOfStreamFlag)
{
SDataBuffer* pRawData = &pCtx->sRawData;
int32_t iSrcIdx = 0; //the index of source bit-stream till now after parsing one or more NALs
int32_t iSrcConsumed = 0; // consumed bit count of source bs
int32_t iDstIdx = 0; //the size of current NAL after 0x03 removal and 00 00 01 removal
int32_t iSrcLength = 0; //the total size of current AU or NAL
int32_t iConsumedBytes = 0;
int32_t iOffset = 0;
uint8_t* pSrcNal = NULL;
uint8_t* pDstNal = NULL;
uint8_t *pNalPayload = NULL;
if ( NULL == DetectStartCodePrefix( kpBsBuf, &iOffset, kiBsLen ) ) //CAN'T find the 00 00 01 start prefix from the source buffer
{
return dsBitstreamError;
}
pSrcNal = const_cast<uint8_t*> (kpBsBuf) + iOffset;
iSrcLength = kiBsLen - iOffset;
if ( (kiBsLen + 4) > ( pRawData->pEnd - pRawData->pCurPos ) )
{
pRawData->pCurPos = pRawData->pHead;
}
//copy raw data from source buffer (application) to raw data buffer (codec inside)
//0x03 removal and extract all of NAL Unit from current raw data
pDstNal = pRawData->pCurPos + 4; //4-bytes used to write the length of current NAL rbsp
while ( iSrcConsumed < iSrcLength )
{
if ( ( 2 + iSrcConsumed < iSrcLength ) &&
( 0 == LD16(pSrcNal+iSrcIdx) ) &&
( (pSrcNal[2+iSrcIdx]==0x03) || (pSrcNal[2+iSrcIdx]==0x01) ) )
{
if ( pSrcNal[2+iSrcIdx] == 0x03 )
{
ST16(pDstNal+iDstIdx, 0);
iDstIdx += 2;
iSrcIdx += 3;
iSrcConsumed += 3;
}
else
{
GetValueOf4Bytes( pDstNal-4, iDstIdx ); //pDstNal-4 (non-aligned by 4) in Solaris10(SPARC). Given value by byte.
iConsumedBytes = 0;
pNalPayload = ParseNalHeader( pCtx, &pCtx->sCurNalHead, pDstNal, iDstIdx, pSrcNal-3, iSrcIdx+3, &iConsumedBytes );
if (pCtx->bAuReadyFlag)
{
ConstructAccessUnit( pCtx, ppDst, pDstBufInfo );
if ( (dsOutOfMemory | dsNoParamSets) & pCtx->iErrorCode)
{
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true;
#endif
ResetParameterSetsState( pCtx );
if( dsOutOfMemory & pCtx->iErrorCode){
return pCtx->iErrorCode;
}
}
}
if( (IS_PARAM_SETS_NALS(pCtx->sCurNalHead.eNalUnitType) || IS_SEI_NAL(pCtx->sCurNalHead.eNalUnitType)) &&
pNalPayload )
{
if ( ParseNonVclNal( pCtx, pNalPayload, iDstIdx-iConsumedBytes ) )
{
if ( dsNoParamSets & pCtx->iErrorCode )
{
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true;
#endif
ResetParameterSetsState( pCtx );
}
return pCtx->iErrorCode;
}
}
pDstNal += iDstIdx; //update current position
if ( (iSrcLength - iSrcConsumed + 4) > (pRawData->pEnd - pDstNal) )
{
pRawData->pCurPos = pRawData->pHead;
}
else
{
pRawData->pCurPos = pDstNal;
}
pDstNal = pRawData->pCurPos + 4; //init, 4 bytes used to store the next NAL
pSrcNal += iSrcIdx+3;
iSrcConsumed += 3;
iSrcIdx = 0;
iDstIdx = 0; //reset 0, used to statistic the length of next NAL
}
continue;
}
pDstNal[iDstIdx++] = pSrcNal[iSrcIdx++];
iSrcConsumed++;
}
//last NAL decoding
GetValueOf4Bytes( pDstNal-4, iDstIdx ); //pDstNal-4 (non-aligned by 4) in Solaris10(SPARC). Given value by byte.
iConsumedBytes = 0;
pNalPayload = ParseNalHeader( pCtx, &pCtx->sCurNalHead, pDstNal, iDstIdx, pSrcNal-3, iSrcIdx+3, &iConsumedBytes );
if (pCtx->bAuReadyFlag)
{
ConstructAccessUnit( pCtx, ppDst, pDstBufInfo );
if ( (dsOutOfMemory | dsNoParamSets) & pCtx->iErrorCode)
{
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true;
#endif
ResetParameterSetsState( pCtx );
return pCtx->iErrorCode;
}
}
if( (IS_PARAM_SETS_NALS(pCtx->sCurNalHead.eNalUnitType) || IS_SEI_NAL(pCtx->sCurNalHead.eNalUnitType)) && pNalPayload )
{
if ( ParseNonVclNal( pCtx, pNalPayload, iDstIdx-iConsumedBytes ) )
{
if ( dsNoParamSets & pCtx->iErrorCode )
{
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true;
#endif
ResetParameterSetsState( pCtx );
}
return pCtx->iErrorCode;
}
}
pDstNal += iDstIdx;
pRawData->pCurPos = pDstNal; //init the pCurPos for next NAL(s) storage
}
else /* no supplementary picture payload input, but stored a picture */
{
PAccessUnit pCurAu = pCtx->pAccessUnitList; // current access unit, it will never point to NULL after decode's successful initialization
if ( pCurAu->uiAvailUnitsNum == 0 )
{
return pCtx->iErrorCode;
}
else
{
pCtx->pAccessUnitList->uiEndPos = pCtx->pAccessUnitList->uiAvailUnitsNum - 1;
ConstructAccessUnit( pCtx, ppDst, pDstBufInfo );
if ( (dsOutOfMemory | dsNoParamSets) & pCtx->iErrorCode)
{
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true;
#endif
ResetParameterSetsState( pCtx );
return pCtx->iErrorCode;
}
}
}
return pCtx->iErrorCode;
}
/*
* set colorspace format in decoder
*/
int32_t DecoderSetCsp(PWelsDecoderContext pCtx, const int32_t kiColorFormat)
{
WELS_VERIFY_RETURN_IF( 1, (NULL == pCtx) );
pCtx->iOutputColorFormat = kiColorFormat;
if ( pCtx->pParam != NULL )
{
pCtx->pParam->iOutputColorFormat = kiColorFormat;
}
return 0;
}
/*!
* \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 )
{
int32_t iErr = ERR_NONE;
const int32_t kiPicWidth = kiMbWidth << 4;
const int32_t kiPicHeight = kiMbHeight<< 4;
iErr = WelsRequestMem( pCtx, kiMbWidth, kiMbHeight ); // common memory used
if ( ERR_NONE != iErr )
{
WelsLog( pCtx, WELS_LOG_WARNING, "SyncPictureResolutionExt()::WelsRequestMem--buffer allocated failure.\n" );
pCtx->iErrorCode = dsOutOfMemory;
return iErr;
}
iErr = InitialDqLayersContext( pCtx, kiPicWidth, kiPicHeight );
if ( ERR_NONE != iErr )
{
WelsLog( pCtx, WELS_LOG_WARNING, "SyncPictureResolutionExt()::InitialDqLayersContext--buffer allocated failure.\n" );
pCtx->iErrorCode = dsOutOfMemory;
}
return iErr;
}
/*!
* \brief update maximal picture width and height if applicable when receiving a SPS NAL
*/
void_t UpdateMaxPictureResolution( PWelsDecoderContext pCtx, const int32_t kiCurWidth, const int32_t kiCurHeight )
{
//any dimension larger than that of current dimension, should modify the max-dimension
if ( kiCurWidth > pCtx->iMaxWidthInSps || kiCurHeight > pCtx->iMaxHeightInSps)
{
pCtx->iMaxWidthInSps = kiCurWidth;
pCtx->iMaxHeightInSps = kiCurHeight;
}
return;
}
void_t AssignFuncPointerForRec(PWelsDecoderContext pCtx)
{
pCtx->pGetI16x16LumaPredFunc[I16_PRED_V ] = WelsI16x16LumaPredV_c;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_H ] = WelsI16x16LumaPredH_c;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_DC ] = WelsI16x16LumaPredDc_c;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_P ] = WelsI16x16LumaPredPlane_c;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_DC_L ] = WelsI16x16LumaPredDcLeft_c;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_DC_T ] = WelsI16x16LumaPredDcTop_c;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_DC_128] = WelsI16x16LumaPredDcNA_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_V ] = WelsI4x4LumaPredV_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_H ] = WelsI4x4LumaPredH_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DC ] = WelsI4x4LumaPredDc_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DC_L ] = WelsI4x4LumaPredDcLeft_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DC_T ] = WelsI4x4LumaPredDcTop_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DC_128] = WelsI4x4LumaPredDcNA_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DDL ] = WelsI4x4LumaPredDDL_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DDL_TOP] = WelsI4x4LumaPredDDLTop_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DDR ] = WelsI4x4LumaPredDDR_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_VL ] = WelsI4x4LumaPredVL_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_VL_TOP] = WelsI4x4LumaPredVLTop_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_VR ] = WelsI4x4LumaPredVR_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_HU ] = WelsI4x4LumaPredHU_c;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_HD ] = WelsI4x4LumaPredHD_c;
pCtx->pGetIChromaPredFunc[C_PRED_DC ] = WelsIChromaPredDc_c;
pCtx->pGetIChromaPredFunc[C_PRED_H ] = WelsIChromaPredH_c;
pCtx->pGetIChromaPredFunc[C_PRED_V ] = WelsIChromaPredV_c;
pCtx->pGetIChromaPredFunc[C_PRED_P ] = WelsIChromaPredPlane_c;
pCtx->pGetIChromaPredFunc[C_PRED_DC_L ] = WelsIChromaPredDcLeft_c;
pCtx->pGetIChromaPredFunc[C_PRED_DC_T ] = WelsIChromaPredDcTop_c;
pCtx->pGetIChromaPredFunc[C_PRED_DC_128] = WelsIChromaPredDcNA_c;
InitDctClipTable();
pCtx->pIdctResAddPredFunc = IdctResAddPred_c;
#if defined(X86_ASM)
if ( pCtx->uiCpuFlag & WELS_CPU_MMXEXT )
{
pCtx->pIdctResAddPredFunc = IdctResAddPred_mmx;
/////////mmx code opt---
pCtx->pGetIChromaPredFunc[C_PRED_H] = WelsIChromaPredH_mmx;
pCtx->pGetIChromaPredFunc[C_PRED_V] = WelsIChromaPredV_mmx;
pCtx->pGetIChromaPredFunc[C_PRED_DC_L ] = WelsIChromaPredDcLeft_mmx;
pCtx->pGetIChromaPredFunc[C_PRED_DC_128] = WelsIChromaPredDcNA_mmx;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DDR] = WelsI4x4LumaPredDDR_mmx;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_HD ] = WelsI4x4LumaPredHD_mmx;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_HU ] = WelsI4x4LumaPredHU_mmx;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_VR ] = WelsI4x4LumaPredVR_mmx;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_DDL] = WelsI4x4LumaPredDDL_mmx;
pCtx->pGetI4x4LumaPredFunc[I4_PRED_VL ] = WelsI4x4LumaPredVL_mmx;
}
if ( pCtx->uiCpuFlag & WELS_CPU_SSE2 )
{
/////////sse2 code opt---
pCtx->pGetI16x16LumaPredFunc[I16_PRED_DC] = WelsI16x16LumaPredDc_sse2;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_P] = WelsI16x16LumaPredPlane_sse2;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_H] = WelsI16x16LumaPredH_sse2;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_V] = WelsI16x16LumaPredV_sse2;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_DC_T ] = WelsI16x16LumaPredDcTop_sse2;
pCtx->pGetI16x16LumaPredFunc[I16_PRED_DC_128] = WelsI16x16LumaPredDcNA_sse2;
pCtx->pGetIChromaPredFunc[C_PRED_P ] = WelsIChromaPredPlane_sse2;
pCtx->pGetIChromaPredFunc[C_PRED_DC] = WelsIChromaPredDc_sse2;
pCtx->pGetIChromaPredFunc[C_PRED_DC_T] = WelsIChromaPredDcTop_sse2;
}
#endif
DeblockingInit(&pCtx->sDeblockingFunc, pCtx->uiCpuFlag);
WelsBlockFuncInit(&pCtx->sBlockFunc, pCtx->uiCpuFlag);
}
} // namespace WelsDec