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bug fix for multi-layer active sps check

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This commit is contained in:
huili2 2015-02-02 22:10:01 -08:00
parent 4f4adcec49
commit 1734133012
1 changed files with 20 additions and 8 deletions
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28
codec/decoder/core/src/au_parser.cpp
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@ -832,18 +832,30 @@ bool CheckSpsActive (PWelsDecoderContext pCtx, PSps pSps, bool bUseSubsetFlag) {
if (bUseSubsetFlag) {
if (pSps->iMbWidth > 0 && pSps->iMbHeight > 0 && pCtx->bSubspsAvailFlags[pSps->iSpsId]
&& pCtx->pAccessUnitList->uiAvailUnitsNum > 0) {
PSps pNextUsedSps =
pCtx->pAccessUnitList->pNalUnitsList[pCtx->pAccessUnitList->uiStartPos]->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader.pSps;
if (pNextUsedSps->iSpsId == pSps->iSpsId)
return true;
int i = 0, iNum = (int32_t) pCtx->pAccessUnitList->uiAvailUnitsNum;
while (i < iNum) {
PNalUnit pNalUnit = pCtx->pAccessUnitList->pNalUnitsList[i];
if (pNalUnit->sNalData.sVclNal.bSliceHeaderExtFlag) { //ext data
PSps pNextUsedSps = pNalUnit->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader.pSps;
if (pNextUsedSps->iSpsId == pSps->iSpsId)
return true;
}
++i;
}
}
} else {
if (pSps->iMbWidth > 0 && pSps->iMbHeight > 0 && pCtx->bSpsAvailFlags[pSps->iSpsId]
&& pCtx->pAccessUnitList->uiAvailUnitsNum > 0) {
PSps pNextUsedSps =
pCtx->pAccessUnitList->pNalUnitsList[pCtx->pAccessUnitList->uiStartPos]->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader.pSps;
if (pNextUsedSps->iSpsId == pSps->iSpsId)
return true;
int i = 0, iNum = (int32_t) pCtx->pAccessUnitList->uiAvailUnitsNum;
while (i < iNum) {
PNalUnit pNalUnit = pCtx->pAccessUnitList->pNalUnitsList[i];
if (!pNalUnit->sNalData.sVclNal.bSliceHeaderExtFlag) { //non-ext data
PSps pNextUsedSps = pNalUnit->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader.pSps;
if (pNextUsedSps->iSpsId == pSps->iSpsId)
return true;
}
++i;
}
}
}
return false;