ref: 8f3c129f254b29a00dcca65b29dda8aafba8ac53
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