ref: b8ba418ba80e23d70286ad046a7c736894de36b5
dir: /codec/encoder/core/src/paraset_strategy.cpp/
/*!
* \copy
* Copyright (c) 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.
*
*/
#include "au_set.h"
#include "encoder_context.h"
#include "paraset_strategy.h"
namespace WelsEnc {
IWelsParametersetStrategy* IWelsParametersetStrategy::CreateParametersetStrategy (
EParameterSetStrategy eSpsPpsIdStrategy, bool bSimulcastAVC,
const int32_t kiSpatialLayerNum) {
IWelsParametersetStrategy* pParametersetStrategy = NULL;
switch (eSpsPpsIdStrategy) {
case INCREASING_ID:
pParametersetStrategy = WELS_NEW_OP (CWelsParametersetIdIncreasing (bSimulcastAVC, kiSpatialLayerNum),
CWelsParametersetIdIncreasing);
WELS_VERIFY_RETURN_IF (NULL, NULL == pParametersetStrategy)
break;
case SPS_LISTING:
pParametersetStrategy = WELS_NEW_OP (CWelsParametersetSpsListing (bSimulcastAVC, kiSpatialLayerNum),
CWelsParametersetSpsListing);
WELS_VERIFY_RETURN_IF (NULL, NULL == pParametersetStrategy)
break;
case SPS_LISTING_AND_PPS_INCREASING:
pParametersetStrategy = WELS_NEW_OP (CWelsParametersetSpsListingPpsIncreasing (bSimulcastAVC, kiSpatialLayerNum),
CWelsParametersetSpsListingPpsIncreasing);
WELS_VERIFY_RETURN_IF (NULL, NULL == pParametersetStrategy)
break;
case SPS_PPS_LISTING:
pParametersetStrategy = WELS_NEW_OP (CWelsParametersetSpsPpsListing (bSimulcastAVC, kiSpatialLayerNum),
CWelsParametersetSpsPpsListing);
WELS_VERIFY_RETURN_IF (NULL, NULL == pParametersetStrategy)
break;
case CONSTANT_ID:
default:
pParametersetStrategy = WELS_NEW_OP (CWelsParametersetIdConstant (bSimulcastAVC, kiSpatialLayerNum),
CWelsParametersetIdConstant);
WELS_VERIFY_RETURN_IF (NULL, NULL == pParametersetStrategy)
break;
}
return pParametersetStrategy;
}
static int32_t WelsGenerateNewSps (sWelsEncCtx* pCtx, const bool kbUseSubsetSps, const int32_t iDlayerIndex,
const int32_t iDlayerCount, const int32_t kiSpsId,
SWelsSPS*& pSps, SSubsetSps*& pSubsetSps, bool bSVCBaselayer) {
int32_t iRet = 0;
if (!kbUseSubsetSps) {
pSps = & (pCtx->pSpsArray[kiSpsId]);
} else {
pSubsetSps = & (pCtx->pSubsetArray[kiSpsId]);
pSps = &pSubsetSps->pSps;
}
SWelsSvcCodingParam* pParam = pCtx->pSvcParam;
SSpatialLayerConfig* pDlayerParam = &pParam->sSpatialLayers[iDlayerIndex];
// Need port pSps/pPps initialization due to spatial scalability changed
if (!kbUseSubsetSps) {
iRet = WelsInitSps (pSps, pDlayerParam, &pParam->sDependencyLayers[iDlayerIndex], pParam->uiIntraPeriod,
pParam->iMaxNumRefFrame,
kiSpsId, pParam->bEnableFrameCroppingFlag, pParam->iRCMode != RC_OFF_MODE, iDlayerCount,
bSVCBaselayer);
} else {
iRet = WelsInitSubsetSps (pSubsetSps, pDlayerParam, &pParam->sDependencyLayers[iDlayerIndex], pParam->uiIntraPeriod,
pParam->iMaxNumRefFrame,
kiSpsId, pParam->bEnableFrameCroppingFlag, pParam->iRCMode != RC_OFF_MODE, iDlayerCount);
}
return iRet;
}
static bool CheckMatchedSps (SWelsSPS* const pSps1, SWelsSPS* const pSps2) {
if ((pSps1->iMbWidth != pSps2->iMbWidth)
|| (pSps1->iMbHeight != pSps2->iMbHeight)) {
return false;
}
if ((pSps1->uiLog2MaxFrameNum != pSps2->uiLog2MaxFrameNum)
|| (pSps1->iLog2MaxPocLsb != pSps2->iLog2MaxPocLsb)) {
return false;
}
if (pSps1->iNumRefFrames != pSps2->iNumRefFrames) {
return false;
}
if ((pSps1->bFrameCroppingFlag != pSps2->bFrameCroppingFlag)
|| (pSps1->sFrameCrop.iCropLeft != pSps2->sFrameCrop.iCropLeft)
|| (pSps1->sFrameCrop.iCropRight != pSps2->sFrameCrop.iCropRight)
|| (pSps1->sFrameCrop.iCropTop != pSps2->sFrameCrop.iCropTop)
|| (pSps1->sFrameCrop.iCropBottom != pSps2->sFrameCrop.iCropBottom)
) {
return false;
}
if ((pSps1->uiProfileIdc != pSps2->uiProfileIdc)
|| (pSps1->bConstraintSet0Flag != pSps2->bConstraintSet0Flag)
|| (pSps1->bConstraintSet1Flag != pSps2->bConstraintSet1Flag)
|| (pSps1->bConstraintSet2Flag != pSps2->bConstraintSet2Flag)
|| (pSps1->bConstraintSet3Flag != pSps2->bConstraintSet3Flag)
|| (pSps1->iLevelIdc != pSps2->iLevelIdc)) {
return false;
}
return true;
}
static bool CheckMatchedSubsetSps (SSubsetSps* const pSubsetSps1, SSubsetSps* const pSubsetSps2) {
if (!CheckMatchedSps (&pSubsetSps1->pSps, &pSubsetSps2->pSps)) {
return false;
}
if ((pSubsetSps1->sSpsSvcExt.iExtendedSpatialScalability != pSubsetSps2->sSpsSvcExt.iExtendedSpatialScalability)
|| (pSubsetSps1->sSpsSvcExt.bAdaptiveTcoeffLevelPredFlag != pSubsetSps2->sSpsSvcExt.bAdaptiveTcoeffLevelPredFlag)
|| (pSubsetSps1->sSpsSvcExt.bSeqTcoeffLevelPredFlag != pSubsetSps2->sSpsSvcExt.bSeqTcoeffLevelPredFlag)
|| (pSubsetSps1->sSpsSvcExt.bSliceHeaderRestrictionFlag != pSubsetSps2->sSpsSvcExt.bSliceHeaderRestrictionFlag)) {
return false;
}
return true;
}
/*!
* \brief check if the current parameter can found a presenting sps
* \param pParam the current encoding paramter in SWelsSvcCodingParam
* \param kbUseSubsetSps bool
* \param iDlayerIndex int, the index of current D layer
* \param iDlayerCount int, the number of total D layer
* \param pSpsArray array of all the stored SPSs
* \param pSubsetArray array of all the stored Subset-SPSs
* \return 0 - successful
* -1 - cannot find existing SPS for current encoder parameter
*/
int32_t FindExistingSps (SWelsSvcCodingParam* pParam, const bool kbUseSubsetSps, const int32_t iDlayerIndex,
const int32_t iDlayerCount, const int32_t iSpsNumInUse,
SWelsSPS* pSpsArray,
SSubsetSps* pSubsetArray, bool bSVCBaseLayer) {
SSpatialLayerConfig* pDlayerParam = &pParam->sSpatialLayers[iDlayerIndex];
assert (iSpsNumInUse <= MAX_SPS_COUNT);
if (!kbUseSubsetSps) {
SWelsSPS sTmpSps;
WelsInitSps (&sTmpSps, pDlayerParam, &pParam->sDependencyLayers[iDlayerIndex], pParam->uiIntraPeriod,
pParam->iMaxNumRefFrame,
0, pParam->bEnableFrameCroppingFlag, pParam->iRCMode != RC_OFF_MODE, iDlayerCount,
bSVCBaseLayer);
for (int32_t iId = 0; iId < iSpsNumInUse; iId++) {
if (CheckMatchedSps (&sTmpSps, &pSpsArray[iId])) {
return iId;
}
}
} else {
SSubsetSps sTmpSubsetSps;
WelsInitSubsetSps (&sTmpSubsetSps, pDlayerParam, &pParam->sDependencyLayers[iDlayerIndex], pParam->uiIntraPeriod,
pParam->iMaxNumRefFrame,
0, pParam->bEnableFrameCroppingFlag, pParam->iRCMode != RC_OFF_MODE, iDlayerCount);
for (int32_t iId = 0; iId < iSpsNumInUse; iId++) {
if (CheckMatchedSubsetSps (&sTmpSubsetSps, &pSubsetArray[iId])) {
return iId;
}
}
}
return INVALID_ID;
}
CWelsParametersetIdConstant::CWelsParametersetIdConstant (const bool bSimulcastAVC, const int32_t kiSpatialLayerNum) {
memset (&m_sParaSetOffset, 0, sizeof (m_sParaSetOffset));
m_bSimulcastAVC = bSimulcastAVC;
m_iSpatialLayerNum = kiSpatialLayerNum;
m_iBasicNeededSpsNum = 1;
m_iBasicNeededPpsNum = (1 + m_iSpatialLayerNum);
}
CWelsParametersetIdConstant::~CWelsParametersetIdConstant() {
}
int32_t CWelsParametersetIdConstant::GetPpsIdOffset (const int32_t iPpsId) {
return 0;
};
int32_t CWelsParametersetIdConstant::GetSpsIdOffset (const int32_t iPpsId, const int32_t iSpsId) {
return 0;
};
int32_t* CWelsParametersetIdConstant::GetSpsIdOffsetList (const int iParasetType) {
return & (m_sParaSetOffset.sParaSetOffsetVariable[iParasetType].iParaSetIdDelta[0]);
}
uint32_t CWelsParametersetIdConstant::GetAllNeededParasetNum() {
return (GetNeededSpsNum()
+ GetNeededSubsetSpsNum()
+ GetNeededPpsNum());
}
uint32_t CWelsParametersetIdConstant::GetNeededSpsNum() {
if (0 >= m_sParaSetOffset.uiNeededSpsNum) {
m_sParaSetOffset.uiNeededSpsNum = m_iBasicNeededSpsNum * ((m_bSimulcastAVC) ? (m_iSpatialLayerNum) : (1));
}
return m_sParaSetOffset.uiNeededSpsNum;
}
uint32_t CWelsParametersetIdConstant::GetNeededSubsetSpsNum() {
if (0 >= m_sParaSetOffset.uiNeededSubsetSpsNum) {
m_sParaSetOffset.uiNeededSubsetSpsNum = (m_bSimulcastAVC ? 0 : (m_iSpatialLayerNum - 1));
}
return m_sParaSetOffset.uiNeededSubsetSpsNum;
}
uint32_t CWelsParametersetIdConstant::GetNeededPpsNum() {
if (0 == m_sParaSetOffset.uiNeededPpsNum) {
m_sParaSetOffset.uiNeededPpsNum = m_iBasicNeededPpsNum * ((m_bSimulcastAVC) ? (m_iSpatialLayerNum) :
(1));
}
return m_sParaSetOffset.uiNeededPpsNum;
}
void CWelsParametersetIdConstant::LoadPrevious (SExistingParasetList* pExistingParasetList, SWelsSPS* pSpsArray,
SSubsetSps* pSubsetArray, SWelsPPS* pPpsArray) {
return;
}
void CWelsParametersetIdConstant::Update (const uint32_t kuiId, const int iParasetType) {
memset (&m_sParaSetOffset, 0, sizeof (SParaSetOffset));
}
uint32_t CWelsParametersetIdConstant::GenerateNewSps (sWelsEncCtx* pCtx, const bool kbUseSubsetSps,
const int32_t iDlayerIndex,
const int32_t iDlayerCount, uint32_t kuiSpsId,
SWelsSPS*& pSps, SSubsetSps*& pSubsetSps, bool bSVCBaselayer) {
WelsGenerateNewSps (pCtx, kbUseSubsetSps, iDlayerIndex,
iDlayerCount, kuiSpsId,
pSps, pSubsetSps, bSVCBaselayer);
return kuiSpsId;
}
uint32_t CWelsParametersetIdConstant::InitPps (sWelsEncCtx* pCtx, uint32_t kiSpsId,
SWelsSPS* pSps,
SSubsetSps* pSubsetSps,
uint32_t kuiPpsId,
const bool kbDeblockingFilterPresentFlag,
const bool kbUsingSubsetSps,
const bool kbEntropyCodingModeFlag) {
WelsInitPps (& pCtx->pPPSArray[kuiPpsId], pSps, pSubsetSps, kuiPpsId, true, kbUsingSubsetSps, kbEntropyCodingModeFlag);
SetUseSubsetFlag (kuiPpsId, kbUsingSubsetSps);
return kuiPpsId;
}
void CWelsParametersetIdConstant::SetUseSubsetFlag (const uint32_t iPpsId, const bool bUseSubsetSps) {
m_sParaSetOffset.bPpsIdMappingIntoSubsetsps[iPpsId] = bUseSubsetSps;
}
void CWelsParametersetIdNonConstant::OutputCurrentStructure (SParaSetOffsetVariable* pParaSetOffsetVariable,
int32_t* pPpsIdList, sWelsEncCtx* pCtx, SExistingParasetList* pExistingParasetList) {
for (int32_t k = 0; k < PARA_SET_TYPE; k++) {
memset ((m_sParaSetOffset.sParaSetOffsetVariable[k].bUsedParaSetIdInBs), 0, MAX_PPS_COUNT * sizeof (bool));
}
memcpy (pParaSetOffsetVariable, m_sParaSetOffset.sParaSetOffsetVariable,
(PARA_SET_TYPE)*sizeof (SParaSetOffsetVariable)); // confirmed_safe_unsafe_usage
}
void CWelsParametersetIdNonConstant::LoadPreviousStructure (SParaSetOffsetVariable* pParaSetOffsetVariable,
int32_t* pPpsIdList) {
memcpy (m_sParaSetOffset.sParaSetOffsetVariable, pParaSetOffsetVariable,
(PARA_SET_TYPE)*sizeof (SParaSetOffsetVariable)); // confirmed_safe_unsafe_usage
}
//
//CWelsParametersetIdIncreasing
//
void CWelsParametersetIdIncreasing::DebugSpsPps (const int32_t kiPpsId, const int32_t kiSpsId) {
#if _DEBUG
//SParaSetOffset use, 110421
//if ( (INCREASING_ID & eSpsPpsIdStrategy)) {
const int32_t kiParameterSetType = (m_sParaSetOffset.bPpsIdMappingIntoSubsetsps[kiPpsId] ?
PARA_SET_TYPE_SUBSETSPS : PARA_SET_TYPE_AVCSPS) ;
const int32_t kiTmpSpsIdInBs = kiSpsId +
m_sParaSetOffset.sParaSetOffsetVariable[kiParameterSetType].iParaSetIdDelta[kiSpsId];
const int32_t tmp_pps_id_in_bs = kiPpsId +
m_sParaSetOffset.sParaSetOffsetVariable[PARA_SET_TYPE_PPS].iParaSetIdDelta[kiPpsId];
assert (MAX_SPS_COUNT > kiTmpSpsIdInBs);
assert (MAX_PPS_COUNT > tmp_pps_id_in_bs);
assert (m_sParaSetOffset.sParaSetOffsetVariable[kiParameterSetType].bUsedParaSetIdInBs[kiTmpSpsIdInBs]);
//}
#endif
}
void CWelsParametersetIdIncreasing::DebugPps (const int32_t kiPpsId) {
#if _DEBUG
const int32_t kiTmpPpsIdInBs = kiPpsId +
m_sParaSetOffset.sParaSetOffsetVariable[PARA_SET_TYPE_PPS].iParaSetIdDelta[ kiPpsId ];
assert (MAX_PPS_COUNT > kiTmpPpsIdInBs);
//when activated need to sure there is avialable PPS
assert (m_sParaSetOffset.sParaSetOffsetVariable[PARA_SET_TYPE_PPS].bUsedParaSetIdInBs[kiTmpPpsIdInBs]);
#endif
}
void ParasetIdAdditionIdAdjust (SParaSetOffsetVariable* sParaSetOffsetVariable,
const int32_t kiCurEncoderParaSetId,
const uint32_t kuiMaxIdInBs) { //paraset_type = 0: SPS; =1: PPS
//SPS_ID in avc_sps and pSubsetSps will be different using this
//SPS_ID case example:
//1st enter: next_spsid_in_bs == 0; spsid == 0; delta==0; //actual spsid_in_bs == 0
//1st finish: next_spsid_in_bs == 1;
//2nd enter: next_spsid_in_bs == 1; spsid == 0; delta==1; //actual spsid_in_bs == 1
//2nd finish: next_spsid_in_bs == 2;
//31st enter: next_spsid_in_bs == 31; spsid == 0~2; delta==31~29; //actual spsid_in_bs == 31
//31st finish:next_spsid_in_bs == 0;
//31st enter: next_spsid_in_bs == 0; spsid == 0~2; delta==-2~0; //actual spsid_in_bs == 0
//31st finish:next_spsid_in_bs == 1;
const int32_t kiEncId = kiCurEncoderParaSetId;
uint32_t uiNextIdInBs = sParaSetOffsetVariable->uiNextParaSetIdToUseInBs;
//update current layer's pCodingParam
sParaSetOffsetVariable->iParaSetIdDelta[kiEncId] = uiNextIdInBs -
kiEncId; //for current parameter set, change its id_delta
//write pso pData for next update:
sParaSetOffsetVariable->bUsedParaSetIdInBs[uiNextIdInBs] = true; // update current used_id
//prepare for next update:
// find the next avaibable iId
++uiNextIdInBs;
if (uiNextIdInBs >= kuiMaxIdInBs) {
uiNextIdInBs = 0;//ensure the SPS_ID wound not exceed MAX_SPS_COUNT
}
// update next_id
sParaSetOffsetVariable->uiNextParaSetIdToUseInBs = uiNextIdInBs;
}
void CWelsParametersetIdIncreasing::Update (const uint32_t kuiId, const int iParasetType) {
#if _DEBUG
m_sParaSetOffset.eSpsPpsIdStrategy = INCREASING_ID;
assert (kuiId < MAX_DQ_LAYER_NUM);
#endif
ParasetIdAdditionIdAdjust (& (m_sParaSetOffset.sParaSetOffsetVariable[iParasetType]),
kuiId,
(iParasetType != PARA_SET_TYPE_PPS) ? MAX_SPS_COUNT : MAX_PPS_COUNT);
}
//((SPS_PPS_LISTING != pEncCtx->pSvcParam->eSpsPpsIdStrategy) ? (&
// (pEncCtx->sPSOVector.sParaSetOffsetVariable[PARA_SET_TYPE_PPS].iParaSetIdDelta[0])) : NULL)
int32_t CWelsParametersetIdIncreasing::GetPpsIdOffset (const int32_t kiPpsId) {
#if _DEBUG
DebugPps (kiPpsId);
#endif
return (m_sParaSetOffset.sParaSetOffsetVariable[PARA_SET_TYPE_PPS].iParaSetIdDelta[kiPpsId]);
}
int32_t CWelsParametersetIdIncreasing::GetSpsIdOffset (const int32_t kiPpsId, const int32_t kiSpsId) {
const int32_t kiParameterSetType = (m_sParaSetOffset.bPpsIdMappingIntoSubsetsps[kiPpsId] ?
PARA_SET_TYPE_SUBSETSPS : PARA_SET_TYPE_AVCSPS);
#if _DEBUG
DebugSpsPps (kiPpsId, kiSpsId);
#endif
return (m_sParaSetOffset.sParaSetOffsetVariable[kiParameterSetType].iParaSetIdDelta[kiSpsId]);
}
//
//CWelsParametersetSpsListing
//
CWelsParametersetSpsListing::CWelsParametersetSpsListing (const bool bSimulcastAVC,
const int32_t kiSpatialLayerNum) : CWelsParametersetIdNonConstant (bSimulcastAVC, kiSpatialLayerNum) {
memset (&m_sParaSetOffset, 0, sizeof (m_sParaSetOffset));
m_bSimulcastAVC = bSimulcastAVC;
m_iSpatialLayerNum = kiSpatialLayerNum;
m_iBasicNeededSpsNum = MAX_SPS_COUNT;
m_iBasicNeededPpsNum = 1;
}
uint32_t CWelsParametersetSpsListing::GetNeededSubsetSpsNum() {
if (0 >= m_sParaSetOffset.uiNeededSubsetSpsNum) {
// sPSOVector.uiNeededSubsetSpsNum = ((pSvcParam->bSimulcastAVC) ? (0) :((SPS_LISTING & pSvcParam->eSpsPpsIdStrategy) ? (MAX_SPS_COUNT) : (pSvcParam->iSpatialLayerNum - 1)));
m_sParaSetOffset.uiNeededSubsetSpsNum = ((m_bSimulcastAVC) ? (0) :
(MAX_SPS_COUNT));
}
return m_sParaSetOffset.uiNeededSubsetSpsNum;
}
void CWelsParametersetSpsListing::LoadPreviousSps (SExistingParasetList* pExistingParasetList, SWelsSPS* pSpsArray,
SSubsetSps* pSubsetArray) {
//if ((SPS_LISTING & pParam->eSpsPpsIdStrategy) && (NULL != pExistingParasetList)) {
m_sParaSetOffset.uiInUseSpsNum = pExistingParasetList->uiInUseSpsNum;
memcpy (pSpsArray, pExistingParasetList->sSps, MAX_SPS_COUNT * sizeof (SWelsSPS));
if (GetNeededSubsetSpsNum() > 0) {
m_sParaSetOffset.uiInUseSubsetSpsNum = pExistingParasetList->uiInUseSubsetSpsNum;
memcpy (pSubsetArray, pExistingParasetList->sSubsetSps, MAX_SPS_COUNT * sizeof (SSubsetSps));
} else {
m_sParaSetOffset.uiInUseSubsetSpsNum = 0;
}
//}
}
void CWelsParametersetSpsListing::LoadPrevious (SExistingParasetList* pExistingParasetList, SWelsSPS* pSpsArray,
SSubsetSps* pSubsetArray, SWelsPPS* pPpsArray) {
if (NULL == pExistingParasetList) {
return;
}
LoadPreviousSps (pExistingParasetList, pSpsArray, pSubsetArray);
LoadPreviousPps (pExistingParasetList, pPpsArray);
}
bool CWelsParametersetSpsListing::CheckParamCompatibility (SWelsSvcCodingParam* pCodingParam, SLogContext* pLogCtx) {
if (pCodingParam->iSpatialLayerNum > 1 && (!pCodingParam->bSimulcastAVC)) {
WelsLog (pLogCtx, WELS_LOG_WARNING,
"ParamValidationExt(), eSpsPpsIdStrategy setting (%d) with multiple svc SpatialLayers (%d) not supported! eSpsPpsIdStrategy adjusted to CONSTANT_ID",
pCodingParam->eSpsPpsIdStrategy, pCodingParam->iSpatialLayerNum);
pCodingParam->eSpsPpsIdStrategy = CONSTANT_ID;
return false;
}
return true;
}
bool CWelsParametersetSpsListing::CheckPpsGenerating() {
return true;
}
int32_t CWelsParametersetSpsListing::SpsReset (sWelsEncCtx* pCtx, bool kbUseSubsetSps) {
// reset current list
if (!kbUseSubsetSps) {
m_sParaSetOffset.uiInUseSpsNum = 1;
memset (pCtx->pSpsArray, 0, MAX_SPS_COUNT * sizeof (SWelsSPS));
} else {
m_sParaSetOffset.uiInUseSubsetSpsNum = 1;
memset (pCtx->pSubsetArray, 0, MAX_SPS_COUNT * sizeof (SSubsetSps));
}
//iSpsId = 0;
return 0;
}
uint32_t CWelsParametersetSpsListing::GenerateNewSps (sWelsEncCtx* pCtx, const bool kbUseSubsetSps,
const int32_t iDlayerIndex,
const int32_t iDlayerCount, uint32_t kuiSpsId,
SWelsSPS*& pSps, SSubsetSps*& pSubsetSps, bool bSvcBaselayer) {
//check if the current param can fit in an existing SPS
const int32_t kiFoundSpsId = FindExistingSps (pCtx->pSvcParam, kbUseSubsetSps, iDlayerIndex, iDlayerCount,
kbUseSubsetSps ? (m_sParaSetOffset.uiInUseSubsetSpsNum) : (m_sParaSetOffset.uiInUseSpsNum),
pCtx->pSpsArray,
pCtx->pSubsetArray, bSvcBaselayer);
if (INVALID_ID != kiFoundSpsId) {
//if yes, set pSps or pSubsetSps to it
kuiSpsId = kiFoundSpsId;
if (!kbUseSubsetSps) {
pSps = & (pCtx->pSpsArray[kiFoundSpsId]);
} else {
pSubsetSps = & (pCtx->pSubsetArray[kiFoundSpsId]);
}
} else {
//if no, generate a new SPS as usual
if (!CheckPpsGenerating()) {
return -1;
}
kuiSpsId = (!kbUseSubsetSps) ? (m_sParaSetOffset.uiInUseSpsNum++) : (m_sParaSetOffset.uiInUseSubsetSpsNum++);
if (kuiSpsId >= MAX_SPS_COUNT) {
if (SpsReset (pCtx, kbUseSubsetSps) < 0) {
return -1;
}
kuiSpsId = 0;
}
WelsGenerateNewSps (pCtx, kbUseSubsetSps, iDlayerIndex,
iDlayerCount, kuiSpsId, pSps, pSubsetSps, bSvcBaselayer);
}
return kuiSpsId;
}
void CWelsParametersetSpsListing::UpdateParaSetNum (sWelsEncCtx* pCtx) {
pCtx->iSpsNum = m_sParaSetOffset.uiInUseSpsNum;
pCtx->iSubsetSpsNum = m_sParaSetOffset.uiInUseSubsetSpsNum;
};
void CWelsParametersetSpsListing::OutputCurrentStructure (SParaSetOffsetVariable* pParaSetOffsetVariable,
int32_t* pPpsIdList, sWelsEncCtx* pCtx, SExistingParasetList* pExistingParasetList) {
CWelsParametersetIdNonConstant::OutputCurrentStructure (pParaSetOffsetVariable, pPpsIdList, pCtx, pExistingParasetList);
pExistingParasetList->uiInUseSpsNum = m_sParaSetOffset.uiInUseSpsNum;
memcpy (pExistingParasetList->sSps, pCtx->pSpsArray, MAX_SPS_COUNT * sizeof (SWelsSPS));
if (NULL != pCtx->pSubsetArray) {
pExistingParasetList->uiInUseSubsetSpsNum = m_sParaSetOffset.uiInUseSubsetSpsNum;
memcpy (pExistingParasetList->sSubsetSps, pCtx->pSubsetArray, MAX_SPS_COUNT * sizeof (SSubsetSps));
} else {
pExistingParasetList->uiInUseSubsetSpsNum = 0;
}
}
//
//CWelsParametersetSpsPpsListing
//
CWelsParametersetSpsPpsListing::CWelsParametersetSpsPpsListing (const bool bSimulcastAVC,
const int32_t kiSpatialLayerNum): CWelsParametersetSpsListing (bSimulcastAVC, kiSpatialLayerNum) {
memset (&m_sParaSetOffset, 0, sizeof (m_sParaSetOffset));
m_bSimulcastAVC = bSimulcastAVC;
m_iSpatialLayerNum = kiSpatialLayerNum;
m_iBasicNeededSpsNum = MAX_SPS_COUNT;
m_iBasicNeededPpsNum = MAX_PPS_COUNT;
}
void CWelsParametersetSpsPpsListing::LoadPreviousPps (SExistingParasetList* pExistingParasetList, SWelsPPS* pPpsArray) {
// copy from existing if the pointer exists
//if ((SPS_PPS_LISTING == pParam->eSpsPpsIdStrategy) && (NULL != pExistingParasetList)) {
m_sParaSetOffset.uiInUsePpsNum = pExistingParasetList->uiInUsePpsNum;
memcpy (pPpsArray, pExistingParasetList->sPps, MAX_PPS_COUNT * sizeof (SWelsPPS));
//}
}
/* if ((SPS_PPS_LISTING == pCtx->pSvcParam->eSpsPpsIdStrategy) && (pCtx->iPpsNum < MAX_PPS_COUNT)) {
UpdatePpsList (pCtx);
}*/
void CWelsParametersetSpsPpsListing::UpdatePpsList (sWelsEncCtx* pCtx) {
if (pCtx->iPpsNum >= MAX_PPS_COUNT) {
return;
}
assert (pCtx->iPpsNum <= MAX_DQ_LAYER_NUM);
//Generate PPS LIST
int32_t iPpsId = 0, iUsePpsNum = pCtx->iPpsNum;
for (int32_t iIdrRound = 0; iIdrRound < MAX_PPS_COUNT; iIdrRound++) {
for (iPpsId = 0; iPpsId < pCtx->iPpsNum; iPpsId++) {
m_sParaSetOffset.iPpsIdList[iPpsId][iIdrRound] = ((iIdrRound * iUsePpsNum + iPpsId) % MAX_PPS_COUNT);
}
}
for (iPpsId = iUsePpsNum; iPpsId < MAX_PPS_COUNT; iPpsId++) {
memcpy (& (pCtx->pPPSArray[iPpsId]), & (pCtx->pPPSArray[iPpsId % iUsePpsNum]), sizeof (SWelsPPS));
pCtx->pPPSArray[iPpsId].iPpsId = iPpsId;
pCtx->iPpsNum++;
}
assert (pCtx->iPpsNum == MAX_PPS_COUNT);
m_sParaSetOffset.uiInUsePpsNum = pCtx->iPpsNum;
}
bool CWelsParametersetSpsPpsListing::CheckPpsGenerating() {
/*if ((SPS_PPS_LISTING == pCtx->pSvcParam->eSpsPpsIdStrategy) && (MAX_PPS_COUNT <= pCtx->sPSOVector.uiInUsePpsNum)) {
//check if we can generate new SPS or not
WelsLog (& pCtx->sLogCtx, WELS_LOG_ERROR,
"InitDqLayers(), cannot generate new SPS under the SPS_PPS_LISTING mode!");
return ENC_RETURN_UNSUPPORTED_PARA;
}*/
if (MAX_PPS_COUNT <= m_sParaSetOffset.uiInUsePpsNum) {
return false;
}
return true;
}
int32_t CWelsParametersetSpsPpsListing::SpsReset (sWelsEncCtx* pCtx, bool kbUseSubsetSps) {
/* if (SPS_PPS_LISTING == pParam->eSpsPpsIdStrategy) {
WelsLog (& (*ppCtx)->sLogCtx, WELS_LOG_ERROR,
"InitDqLayers(), cannot generate new SPS under the SPS_PPS_LISTING mode!");
return ENC_RETURN_UNSUPPORTED_PARA;
}*/
return -1;
}
int32_t FindExistingPps (SWelsSPS* pSps, SSubsetSps* pSubsetSps, const bool kbUseSubsetSps, const int32_t iSpsId,
const bool kbEntropyCodingFlag, const int32_t iPpsNumInUse,
SWelsPPS* pPpsArray) {
#if !defined(DISABLE_FMO_FEATURE)
// feature not supported yet
return INVALID_ID;
#endif//!DISABLE_FMO_FEATURE
SWelsPPS sTmpPps;
WelsInitPps (&sTmpPps,
pSps,
pSubsetSps,
0,
true,
kbUseSubsetSps,
kbEntropyCodingFlag);
assert (iPpsNumInUse <= MAX_PPS_COUNT);
for (int32_t iId = 0; iId < iPpsNumInUse; iId++) {
if ((sTmpPps.iSpsId == pPpsArray[iId].iSpsId)
&& (sTmpPps.bEntropyCodingModeFlag == pPpsArray[iId].bEntropyCodingModeFlag)
&& (sTmpPps.iPicInitQp == pPpsArray[iId].iPicInitQp)
&& (sTmpPps.iPicInitQs == pPpsArray[iId].iPicInitQs)
&& (sTmpPps.uiChromaQpIndexOffset == pPpsArray[iId].uiChromaQpIndexOffset)
&& (sTmpPps.bDeblockingFilterControlPresentFlag == pPpsArray[iId].bDeblockingFilterControlPresentFlag)
) {
return iId;
}
}
return INVALID_ID;
}
uint32_t CWelsParametersetSpsPpsListing::InitPps (sWelsEncCtx* pCtx, uint32_t kiSpsId,
SWelsSPS* pSps,
SSubsetSps* pSubsetSps,
uint32_t kuiPpsId,
const bool kbDeblockingFilterPresentFlag,
const bool kbUsingSubsetSps,
const bool kbEntropyCodingModeFlag) {
const int32_t kiFoundPpsId = FindExistingPps (pSps, pSubsetSps, kbUsingSubsetSps, kiSpsId,
kbEntropyCodingModeFlag,
m_sParaSetOffset.uiInUsePpsNum,
pCtx->pPPSArray);
if (INVALID_ID != kiFoundPpsId) {
//if yes, set pPps to it
kuiPpsId = kiFoundPpsId;
} else {
kuiPpsId = (m_sParaSetOffset.uiInUsePpsNum++);
WelsInitPps (& pCtx->pPPSArray[kuiPpsId], pSps, pSubsetSps, kuiPpsId, true, kbUsingSubsetSps, kbEntropyCodingModeFlag);
}
SetUseSubsetFlag (kuiPpsId, kbUsingSubsetSps);
return kuiPpsId;
}
void CWelsParametersetSpsPpsListing::UpdateParaSetNum (sWelsEncCtx* pCtx) {
CWelsParametersetSpsListing::UpdateParaSetNum (pCtx);
//UpdatePpsList (pCtx);
pCtx->iPpsNum = m_sParaSetOffset.uiInUsePpsNum;
}
int32_t CWelsParametersetSpsPpsListing::GetCurrentPpsId (const int32_t iPpsId, const int32_t iIdrLoop) {
return m_sParaSetOffset.iPpsIdList[iPpsId][iIdrLoop];
}
void CWelsParametersetSpsPpsListing::LoadPreviousStructure (SParaSetOffsetVariable* pParaSetOffsetVariable,
int32_t* pPpsIdList) {
memcpy (m_sParaSetOffset.sParaSetOffsetVariable, pParaSetOffsetVariable,
(PARA_SET_TYPE)*sizeof (SParaSetOffsetVariable)); // confirmed_safe_unsafe_usage
memcpy ((m_sParaSetOffset.iPpsIdList), pPpsIdList, MAX_DQ_LAYER_NUM * MAX_PPS_COUNT * sizeof (int32_t));
}
void CWelsParametersetSpsPpsListing::OutputCurrentStructure (SParaSetOffsetVariable* pParaSetOffsetVariable,
int32_t* pPpsIdList, sWelsEncCtx* pCtx, SExistingParasetList* pExistingParasetList) {
CWelsParametersetSpsListing::OutputCurrentStructure (pParaSetOffsetVariable, pPpsIdList, pCtx, pExistingParasetList);
pExistingParasetList->uiInUsePpsNum = m_sParaSetOffset.uiInUsePpsNum;
memcpy (pExistingParasetList->sPps, pCtx->pPps, MAX_PPS_COUNT * sizeof (SWelsPPS));
memcpy (pPpsIdList, (m_sParaSetOffset.iPpsIdList), MAX_DQ_LAYER_NUM * MAX_PPS_COUNT * sizeof (int32_t));
}
//
//CWelsParametersetSpsListingPpsIncreasing
//
int32_t CWelsParametersetSpsListingPpsIncreasing::GetPpsIdOffset (const int32_t kiPpsId) {
//same as CWelsParametersetIdIncreasing::GetPpsIdOffset
return (m_sParaSetOffset.sParaSetOffsetVariable[PARA_SET_TYPE_PPS].iParaSetIdDelta[kiPpsId]);
}
void CWelsParametersetSpsListingPpsIncreasing::Update (const uint32_t kuiId, const int iParasetType) {
//same as CWelsParametersetIdIncreasing::Update
#if _DEBUG
assert (kuiId < MAX_DQ_LAYER_NUM);
#endif
ParasetIdAdditionIdAdjust (& (m_sParaSetOffset.sParaSetOffsetVariable[iParasetType]),
kuiId,
(iParasetType != PARA_SET_TYPE_PPS) ? MAX_SPS_COUNT : MAX_PPS_COUNT);
}
}