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Prevent some exceptions in AV1 processing. #2191

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Jul 18, 2024
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Prevent some exceptions in AV1 processing. #2191

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2 changes: 1 addition & 1 deletion jvb/src/main/kotlin/org/jitsi/videobridge/cc/av1/Av1DDQualityFilter.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,7 @@ internal class Av1DDQualityFilter(
val accept = doAcceptFrame(frame, incomingEncoding, externalTargetIndex, receivedTime)
val currentDt = getDtFromIndex(currentIndex)
val mark = currentDt != SUSPENDED_DT &&
(frame.frameInfo?.spatialId == frame.structure?.decodeTargetLayers?.get(currentDt)?.spatialId)
(frame.frameInfo?.spatialId == frame.structure?.decodeTargetLayers?.getOrNull(currentDt)?.spatialId)
val isResumption = (prevIndex == SUSPENDED_INDEX && currentIndex != SUSPENDED_INDEX)
if (isResumption) {
check(accept) {
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3 changes: 2 additions & 1 deletion ...main/kotlin/org/jitsi/rtp/rtp/header_extensions/Av1DependencyDescriptorHeaderExtension.kt
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Expand Up @@ -441,7 +441,8 @@ class Av1TemplateDependencyStructure(
* Note this makes certain assumptions about the encoding structure.
*/
fun canSwitchWithoutKeyframe(fromDt: Int, toDt: Int): Boolean = templateInfo.any {
it.hasInterPictureDependency() && it.dti[fromDt] != DTI.NOT_PRESENT && it.dti[toDt] == DTI.SWITCH
it.hasInterPictureDependency() && it.dti.size > fromDt && it.dti.size > toDt &&
it.dti[fromDt] != DTI.NOT_PRESENT && it.dti[toDt] == DTI.SWITCH
}

/** Given that we are sending packets for a given DT, return a decodeTargetBitmask corresponding to all DTs
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