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Fix B-frame without positive reference frames as P-frame. #182

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Fix B-frame without positive reference frames as P-frame. #182

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6 changes: 5 additions & 1 deletion Source/Lib/Codec/EbPictureDecisionProcess.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1560,8 +1560,12 @@ void* PictureDecisionKernel(void *inputPtr)
EbObjectIncLiveCount(
paReferenceEntryPtr->pPcsPtr->pPcsWrapperPtr,
1);

--paReferenceEntryPtr->dependentCount;
} else {
pictureControlSetPtr->sliceType = EB_P_PICTURE;
((EbPaReferenceObject_t *)pictureControlSetPtr->paReferencePictureWrapperPtr->objectPtr)->sliceType =
EB_P_PICTURE;
}
}

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7 changes: 7 additions & 0 deletions Source/Lib/Codec/EbPredictionStructure.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1711,6 +1711,13 @@ static EB_ERRORTYPE PredictionStructureCtor(
}
}

// Adjust List1 if there is no positive reference frames.
if (predictionStructurePtr->predStructEntryPtrArray[entryIndex]->positiveRefPicsTotalCount == 0 &&
predictionStructurePtr->predStructEntryPtrArray[entryIndex]->refList1.referenceListCount > 0) {
predictionStructurePtr->predStructEntryPtrArray[entryIndex]->refList1.referenceList = 0;
predictionStructurePtr->predStructEntryPtrArray[entryIndex]->refList1.referenceListCount = 0;
}

// Adjust Reference Counts if list is empty
predictionStructurePtr->predStructEntryPtrArray[entryIndex]->refPicsList0TotalCountMinus1 =
(predictionStructurePtr->predStructEntryPtrArray[entryIndex]->refPicsList0TotalCountMinus1 == ~0) ?
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