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Getting started
AelionSDK
Quickstart — local video to MP4
Install and configure
Which packages should I install?
Run the reference editor
What is supported today?
Concepts
How the engine executes a Project
Project and timeline data
Time, frame rate, and source time
Transactions, revisions, and undo
Media representation, cache, and lifecycle
Why preview and export should agree
Guides
Author with the Composition API
Import and manage media
Integrate the SDK into an editor UI
Timeline editing
Real-time preview and scrubbing
Playback and audio
Audio analysis, silence removal, and mastering
Create and install a Material
Save, restore, and reconnect media
Revision persistence and isolated extensions
Migrate from WebAV and Diffusion Studio
Export
Choose an export format
Export MP4 and WebM
Export WAV audio
Export still images and GIF
Export jobs, progress, and file sinks
Integrate remote export
Production
Check capabilities on the actual device
Browser compatibility and deployment
Preview performance and resource budgets
Error handling, recovery, and logs
Security checklist before launch
Troubleshoot by symptom
Same-page WebAV and Diffusion benchmark
Reference
Packages and public entry points
Project schema reference
Editing Commands quick reference
Session events, snapshots, and statistics
Export Profiles quick reference
Diagnostic codes
Material Protocol v1 specification
Core Node Math 1.0.0
Glossary
Project
Current status
Maintain the repository and prepare a release
Roadmap
Roadmap to 2.0
1.1 Certification and fallback
1.2 Editing: image and time
1.3 Boundaries and ecosystem
1.4 Editing: audio and arrangement
1.5 Intelligence
1.6 Collaboration and protocols
2.0 Stabilization
API Reference
@aelionsdk/audio
Classes
AudioDrivenVideoScheduler
AudioRuntimeStateMachine
AudioWorkletClock
SharedPcmRingBuffer
SidechainDucker
StreamingLoudnessAnalyzer
StreamingPcmResampler
StreamingPitchPreservingTimeStretch
TransferableAudioWorkletClock
TransferablePcmQueue
TruePeakLimiter
Interfaces
AnalysisSource
AudioChannelMatrix
AudioClockOptions
AudioClockReport
AudioDrivenVideoSchedulerOptions
AudioDrivenVideoSchedulerSnapshot
AudioEnergyBoundary
AudioEnergyChangeDetectionResult
AudioFrameRange
AudioOutputBackend
AudioRuntimeSnapshot
AvSyncSample
BeatDetectionResult
BeatMarker
BuildWaveformPeaksOptions
DetectSilenceOptions
IrPcmSource
LoudnessReport
PcmRingDescriptor
PcmRingSnapshot
PcmSourceBlock
PitchPreservingTimeStretchOptions
PlaybackClock
RenderIrAudioOptions
SceneDetectionResult
ScheduledVideoFrame
SidechainDuckerOptions
SilenceDetectionResult
StreamingPcmResamplerOptions
StreamingPitchPreservingTimeStretchOptions
TransferableAudioClockOptions
TransferableClockReport
TransferablePcmBlock
TransferablePcmQueueSnapshot
TruePeakLimiterOptions
WaveformPeak
WaveformPeakResult
Type Aliases
AudioClockEvent
AudioContextRuntimeState
AudioRuntimeState
BrowserAudioClockSelection
PcmRingState
SceneBoundary
Functions
analyzeLoudness
applyChannelMatrix
audioContextStateTransition
buildWaveformPeaks
detectAudioEnergyChanges
detectBeats
detectScenes
detectSilence
measureAvSync
pitchPreservingTimeStretch
renderIrAudio
resampleInterleavedPcm
selectBrowserAudioTransport
@aelionsdk/capability
Classes
CodecFallbackRegistry
Interfaces
AudioCapability
CapabilityEnvironment
CapabilityGateRequirements
CapabilityGateResult
CapabilityProbe
CapabilityProbeOptions
CapabilityReport
CodecConfigProbe
CodecFallbackDescriptor
CodecIdentity
ColorCapability
GpuCapability
ImageFormatCapability
StorageCapability
Type Aliases
CapabilityStatus
CapabilityTier
CodecClass
CodecExecutionDecision
CodecExecutionPath
CodecFallbackProvider
CodecOperation
Variables
codecFallbackRegistry
Functions
evaluateCapabilityGate
probeCapabilities
selectCodecAvailability
selectCodecExecution
@aelionsdk/core
Classes
AelionError
DisposableStack
ResourceTracker
TimeError
Interfaces
Diagnostic
Disposable
Rational
ResourceSnapshot
TimeRange
Type Aliases
DiagnosticCatalog
DiagnosticLocale
DiagnosticSeverity
JsonObject
JsonPrimitive
JsonValue
Result
RoundingMode
Variables
defaultDiagnosticCatalog
Functions
assertRational
assertTimeUs
err
frameDurationUs
frameIndexAtTime
frameStartUs
localizeDiagnostic
localizeDiagnostics
normalizeRational
ok
sampleBoundaryUs
sampleCountForRange
sampleIndexAtTime
throwIfAborted
@aelionsdk/export
Classes
BrowserStorageExportCheckpointStore
IndexedDbResumableMuxedExportStore
MemoryExportCheckpointStore
MemoryResumableMuxedExportStore
OpfsSeekableSink
SeekableMemorySink
WorkerMuxedExporter
Interfaces
AudioExportCapabilityEntry
AvcNegotiationResult
CheckpointedExportUnitResult
ExportCapabilityProbeOptions
ExportCheckpoint
ExportCheckpointStore
ExportPreflightReport
ExportProfile
ExportProfileSelection
ExportProfileSupport
FrozenProfilePreflightOptions
FrozenWebMExportOptions
GifExportOptions
GifExportResult
MemorySinkSnapshot
MuxedEncoderConfiguration
MuxedExportProfile
MuxedExportRange
OfflineAudioRequest
OfflineFrameRequest
OpfsSinkSnapshot
ProbeAudioExportMatrixOptions
RemoteExportAsset
RemoteExportAssetAuthorization
RemoteExportAssetAuthorizer
RemoteExportAuthorization
RemoteExportAuthorizer
RemoteExportNegotiation
RemoteExportNegotiationRequest
RemoteExportProvider
RemoteExportRequest
RemoteExportResult
RemoteExportSession
ResumableMuxedExportManifest
ResumableMuxedExportOptions
ResumableMuxedExportResult
ResumableMuxedExportStore
ResumableMuxedExportUnit
ResumableMuxedUnitMetadata
RunCheckpointedExportOptions
RunRemoteExportOptions
SelectExportProfileOptions
StillImageExportOptions
StillImageExportResult
WavExportOptions
WavExportResult
WebMExportOptions
WebMExportResult
WorkerMuxedExporterOptions
WorkerMuxedExporterSnapshot
WorkerMuxedExportOptions
Type Aliases
AudioExportCodec
ExportPreflightIssue
ExportProfileId
FrozenMp4ExportOptions
Mp4ExportOptions
Mp4ExportResult
RemoteExportEvent
ResumableMuxedProfile
Variables
EXPORT_PROFILES
REMOTE_EXPORT_PROTOCOL_VERSION
Functions
av1CodecString
avcCodecCandidates
avcEncoderConfig
createRemoteExportContentId
exportAv1Mp4
exportFrozenRenderIrAv1Mp4
exportFrozenRenderIrHevcMp4
exportFrozenRenderIrMp4
exportFrozenRenderIrWebM
exportGif
exportHevcMp4
exportMp4
exportMuxed
exportMuxedInWorker
exportResumableMuxed
exportStillImage
exportWav
exportWebM
hevcCodecString
negotiateAvcCodecString
negotiatedVideoCodecString
preferredAvcCodecString
preflightAv1Mp4Export
preflightHevcMp4Export
preflightMp4Export
preflightProfileExport
preflightWebMExport
probeAudioExportMatrix
probeExportProfiles
runCheckpointedExport
runRemoteExport
selectExportProfile
@aelionsdk/material-compiler
Interfaces
CompiledMaterialGraph
CompileMaterialOptions
ExecutableMaterialNode
MaterialExecutionPass
MaterialExecutionPlan
MaterialGraph
MaterialGraphBudget
MaterialGraphNode
MaterialInstanceValue
MaterialNodeDefinition
MaterialParameterDefinition
MaterialPortDefinition
MaterialResourceSlotDefinition
MaterialRuntimeSelectionOptions
MaterialUniformBinding
RuntimeMaterialDefinition
WebGl2MaterialPass
WebGl2MaterialPassInput
WebGl2MaterialProgram
WebGpuMaterialProgram
Type Aliases
GraphBinding
MaterialImplementationDescriptor
MaterialValueType
Variables
VISUAL_NODE_SET_1
VISUAL_NODE_SET_1_DEFINITIONS
Functions
buildMaterialExecutionPlan
compileMaterialGraph
compileMaterialGraphToWebGl2
compileMaterialGraphToWebGpu
selectMaterialImplementation
validateMaterialInstance
@aelionsdk/material-sdk
Classes
AdaptiveMaterialQualityController
MaterialCatalog
MaterialDefinitionBuilder
MaterialGraphBuilder
MaterialLabSession
MaterialMigrationRegistry
MaterialRegistry
MaterialTrustStore
Interfaces
AdaptiveMaterialQualityOptions
AuthoredMaterial
BundledMaterialResource
GraphValue
InspectedMaterialPackageFile
InstallMaterialPackageOptions
MaterialCatalogEntry
MaterialCompositionPlan
MaterialCompositionSlot
MaterialDefinition
MaterialDefinitionBuilderOptions
MaterialDisplay
MaterialExecutionContract
MaterialExecutionPermissions
MaterialFusionGroup
MaterialGoldenDiff
MaterialHostSecurityPolicy
MaterialLabBackendReport
MaterialLabBudgetReport
MaterialLabReport
MaterialMigration
MaterialMigrationReport
MaterialPackageByteLimits
MaterialPackageFile
MaterialPackageManifest
MaterialPackageMetadata
MaterialPackageReference
MaterialPackageResolver
MaterialPackageSignature
MaterialPackageTransportInspection
MaterialParameter
MaterialPort
MaterialPublisherKey
MaterialRegistryOptions
MaterialResourceSlot
MaterialTrustAuditEntry
MaterialValidationResult
PackedMaterialPackage
PackMaterialPackageOptions
ResolvedMaterial
SignedMaterialPackage
SignMaterialPackageOptions
Type Aliases
EnumValue
FloatValue
GraphValueType
MaterialCatalogStatus
MaterialGraphLiteral
MaterialImplementation
MaterialKind
MaterialMigrationDomain
MaterialPackageByteLimitOptions
MaterialParameterDefault
MaterialParameterType
MaterialPortType
MaterialResourceKind
MaterialScope
MaterialSignatureAlgorithm
VisualFrameValue
Variables
DEFAULT_MATERIAL_PACKAGE_BYTE_LIMITS
MATERIAL_DEFINITION_SCHEMA
MATERIAL_GRAPH_SCHEMA
MATERIAL_NODE_SET
MATERIAL_PACKAGE_MAX_ARCHIVE_BYTES
MATERIAL_PACKAGE_MAX_BYTES
MATERIAL_PACKAGE_MAX_FILE_BYTES
MATERIAL_PACKAGE_MAX_FILES
MATERIAL_PACKAGE_MAX_MANIFEST_BYTES
MATERIAL_PACKAGE_SCHEMA
MATERIAL_PROTOCOL_VERSION
Functions
addMaterialPackageBytes
canonicalizeMaterialJson
canonicalMaterialBytes
compareMaterialGolden
copyMaterialBytes
createDeterministicMaterialArchive
createMaterialCompositionPlan
decodeMaterialJson
enforceMaterialExecutionPolicy
inspectPackedMaterialPackage
materialDefinition
materialGraph
materialPackageBudgetExceeded
materialUint8ArrayByteLength
packMaterialPackage
resolveMaterialPackageByteLimits
sha256Hex
signMaterialPackage
validateAuthoredMaterial
validMaterialPackagePath
verifyMaterialPackage
@aelionsdk/media
Classes
AnimatedImageSource
AudioPcmDecodeSession
BlobRangeReader
FetchRangeReader
MemoryCacheStore
MemoryRangeReader
OpfsCacheStore
PageMediaResourceGovernor
SegmentedIndex
TieredCacheStore
VideoFrameDecodeSession
Interfaces
AnimatedImageInfo
AssetRepresentation
AudioDecodeOptions
AudioPcmBlock
AudioPcmDecodeSessionOptions
AudioTrackInfo
ByteRange
CacheAddress
CacheStore
CacheStoreSnapshot
DecodedStillImage
DecodeStillImageFromReaderOptions
FetchRangeReaderOptions
MediaProbeOptions
MediaResourceBudget
MediaResourceGovernorSnapshot
MediaResourceLease
MediaResourceRequest
RangeRead
RangeReader
RepresentationSelection
SampleEntry
SampleIndex
SeekPoint
SegmentedIndexChunk
SegmentedIndexOptions
SelectRepresentationOptions
VideoDecodeOptions
VideoDecodeResult
VideoDecoderResourceSnapshot
VideoFrameDecodeSessionOptions
VideoFrameDecodeSessionSnapshot
VideoTrackInfo
Type Aliases
MediaResourcePriority
TrackInfo
TrackKind
Functions
cacheAddressKey
createAudioPcmDecodeSessionFromReader
createSampleIndex
createSampleIndexFromReader
createVideoFrameDecodeSessionFromReader
decodeAudioPcmRange
decodeAudioPcmRangeFromReader
decodeStillImage
decodeStillImageFromReader
decodeVideoFrameAt
decodeVideoFrameAtFromReader
probeSampleIndex
proxyPresentationTimeUs
resolveVideoSeek
selectAssetRepresentation
videoDecoderResourceSnapshot
@aelionsdk/project-schema
Classes
CanonicalizationError
ProjectInputAdmissionError
ProjectValidator
Interfaces
AelionProject
FrameFormat
ImageSequenceReference
ItemAudioProperties
ItemEntity
LinkGroupEntity
MarkerEntity
MaterialInstanceEntity
ProjectEntity
ProjectIdentityMigration
ProjectSettings
ProjectValidationSuccess
ProjectValidatorOptions
SequenceColorFormat
SequenceEntity
TimeRange
TrackAudioProperties
TrackEntity
TransitionEntity
Type Aliases
CollectionName
EntityId
Variables
COLLECTION_NAMES
CURRENT_PROJECT_SCHEMA_URI
CURRENT_PROJECT_SCHEMA_VERSION
LEGACY_PROJECT_SCHEMA_URI
LEGACY_PROJECT_SCHEMA_VERSION
PROJECT_INPUT_MAX_ARRAY_LENGTH
PROJECT_INPUT_MAX_DEPTH
PROJECT_INPUT_MAX_NODES
PROJECT_INPUT_MAX_OBJECT_KEYS
PROJECT_INPUT_MAX_PROPERTY_KEY_BYTES
PROJECT_INPUT_MAX_STRING_BYTES
PROJECT_INPUT_MAX_TOTAL_STRING_BYTES
Functions
assertAdmittedProjectInput
canonicalClone
canonicalHash
canonicalStringify
imageSequenceDurationUs
imageSequenceFrameIndex
migrateAdmittedProjectToCurrent
migrateProjectToCurrent
snapshotProjectInput
@aelionsdk/render-ir
Classes
IncrementalRenderCompiler
Interfaces
ActiveAudioState
ActiveVisualState
CaptionCue
CaptionSerialization
ColorPipelineCapability
ColorPipelineReport
CompileStats
EvaluatedMaterialInstance
IrAdjustmentClip
IrAudioClip
IrBaseClip
IrCurveTimeMapping
IrCurveTimeMapPoint
IrGeneratorClip
IrLaidOutTextGlyph
IrLaidOutTextLine
IrLaidOutTextSpan
IrLinearTimeMapping
IrMaterialContentClip
IrMaterialDefinition
IrMaterialInstance
IrMediaSource
IrNestedSequenceClip
IrNestedSequenceSource
IrShapeClip
IrTextBox
IrTextClip
IrTextLayout
IrTextParagraph
IrTextRun
IrTimeMapInverse
IrTimeMapSegment
IrTrack
IrTransition
IrVec2
IrVisualClip
IrVisualProperties
PortableTextStyle
RenderCompileOptions
RenderIr
RenderIrCompilation
Type Aliases
IrClip
IrOutputBitDepth
IrTimeMapDirection
IrTimeMapping
IrTransferFunction
MaterialProgramResolver
Variables
LOCAL_RGBA8_COLOR_CAPABILITY
Functions
analyzeIrTimeMap
cssColorWithAlpha
evaluateAnimatableNumber
evaluateAnimatedValue
evaluateAudioState
evaluateMaterialInstance
evaluateVisualState
inflateTextBox
invertIrSourceTime
irTimeMapping
layoutIrText
mapClipSourceTime
mapIrSourceTime
parseSrt
parseWebVtt
portableGlyphAdvance
portableTextStyle
preflightColorPipeline
resolveMediaSourceFrame
serializeSrt
serializeWebVtt
textBackgroundVisible
textClipPaintExtent
textPaintExtent
validateColorPipelineContract
@aelionsdk/renderer-worker
Classes
BrowserFontManager
RenderIrFrameRenderer
WorkerCompositor
Interfaces
AdaptiveBackendSnapshot
CancelRequest
ComposeCancelled
ComposeFailure
ComposeFrameGraphOptions
ComposeFrameGraphRequest
ComposeOptions
ComposeRequest
ComposeSuccess
DisposeRequest
FontAssetRegistration
FontManagerSnapshot
FrameGraphNode
InspectResourcesRequest
IrFrameRequest
IrFrameSource
RendererWorkerDiagnostic
RendererWorkerRequestSetSnapshot
RendererWorkerResourceSnapshot
RendererWorkerTiming
RenderIrFrameOptions
RenderIrFrameRendererOptions
RenderIrFrameRendererSnapshot
RenderIrFrameResult
WorkerCompositorOptions
WorkerCompositorSnapshot
Type Aliases
FrameGraphInput
RendererWorkerRequest
RendererWorkerResponse
RenderMode
@aelionsdk/sdk
Classes
AelionExtensionHost
AelionSession
ByteMediaProvider
Clip
Composition
IndexedDbProjectRevisionStore
Layer
Material
MemoryProjectRevisionStore
ProductionMediaProvider
ProjectBuilder
ProjectMigrationError
ProjectPersistenceController
RuntimeMaterialRegistry
SessionAudioController
Interfaces
AddAssetOptions
AddCaptionClipOptions
AddImageClipOptions
AddImageSequenceClipOptions
AddMarkerOptions
AddMaterialInstanceOptions
AddMediaClipOptions
AddShapeClipOptions
AddTextClipOptions
AddTrackOptions
AddTransitionOptions
AelionApi
AelionAudioAnalysisOptions
AelionAudioApi
AelionAudioDuckingOptions
AelionAudioMasteringOptions
AelionAudioRemoveSilenceOptions
AelionAudioRemoveSilenceResult
AelionAudioSceneCompatibilityResult
AelionAudioSelection
AelionAudioWaveformOptions
AelionDiagnosticReport
AelionDiagnosticReportOptions
AelionExportApi
AelionExportJobSnapshot
AelionExportOptions
AelionExtensionCallContext
AelionExtensionHostOptions
AelionExtensionHostSnapshot
AelionExtensionInvokeOptions
AelionExtensionManifest
AelionExtensionRuntimeEndpoint
AelionExtensionTransport
AelionInteractiveEdit
AelionInteractiveEditOptions
AelionMediaProvider
AelionMediaRequest
AelionOperationTimingStats
AelionPlayerApi
AelionPlayerFrame
AelionPlayerResourceStats
AelionPlayerStats
AelionPreviewApi
AelionPreviewOptions
AelionPreviewQualityOptions
AelionProjectSchemas
AelionRemoteExportOptions
AelionRuntimeAssets
AelionRuntimeMaterialRegistry
AelionSessionApi
AelionSessionOptions
AelionSessionSnapshot
AelionSessionStats
AelionTransactionApi
AelionTypedExportJob
ApplyMaterialOptions
AudioMasteringReport
AutomaticProxyResult
ByteMediaProviderOptions
ClipBox
CompositionTransitionOptions
CreateMasteredAudioRendererOptions
CreateProjectOptions
CurvePoint
DiffusionAssetBinding
DiffusionMigrationOptions
ExportSubtitleResult
ImportedMedia
ImportMediaOptions
ImportSubtitleOptions
ImportSubtitleResult
IndexedDbProjectRevisionStoreOptions
Keyframe
LayerOptions
MasteredAudioRenderer
MasteredAudioRequest
MaterialOptions
MigrationDiagnostic
MigrationMaterialRegistry
MigrationOptions
MigrationResult
PreviewCanvasController
PreviewCanvasControllerOptions
PreviewCanvasControllerSnapshot
PreviewCanvasFrame
PreviewCanvasPoint
PreviewCanvasPointerEvent
ProductionMediaProbe
ProductionMediaProviderOptions
ProductionMediaProviderSnapshot
ProductionMediaRepresentationOptions
ProductionMediaSelection
ProductionMediaUrlOptions
ProjectIdentityMigration
ProjectPersistenceOptions
ProjectPersistenceSnapshot
ProjectRevisionRecord
ProjectRevisionStore
ProxyEncodeInput
ProxyEncodeResult
ProxyReaderEncodeInput
RateEnvelopeOptions
RateEnvelopeSegment
RegisterAutomaticProxyOptions
RestoredProjectRevision
SetMaskOptions
SetVisualOptions
SubtitleCue
WebAvAnimationFrame
WebAvAssetBinding
WebAvProjectSnapshot
WebAvSpriteSnapshot
Type Aliases
AelionAssetBytesResolver
AelionExportJob
AelionExportJobState
AelionExtensionHandler
AelionExtensionHostMessage
AelionExtensionWorkerMessage
AelionPlayerState
AelionProfileExportJob
AelionProfileExportOptions
AelionProfileExportResult
AelionRemoteExportJob
AelionSessionEvent
AelionSessionEventOf
AelionSessionEventType
AelionSessionState
ClipAnimatableProperty
MigrationSeverity
PreviewCanvasQuality
ProductionMediaRole
ProxyEncoder
ProxyReaderEncoder
SubtitleFormat
Variables
Aelion
AELION_EXTENSION_PROTOCOL
CURRENT_PROJECT_SCHEMA_URI
CURRENT_PROJECT_SCHEMA_VERSION
DEFAULT_MAX_IN_MEMORY_PROXY_INPUT_BYTES
defaultSchemas
LEGACY_PROJECT_SCHEMA_URI
LEGACY_PROJECT_SCHEMA_VERSION
migrationMaterialPackage
PROJECT_REVISION_RECORD_VERSION
Functions
alignCueToSilenceUs
attachPreviewCanvas
buildRateEnvelope
createAelionDiagnosticReport
createComposition
createMasteredAudioRenderer
createProject
exportSubtitleTrack
exposeAelionExtension
frameRangeToUs
frames
importSubtitleTrack
installMigrationMaterials
migrateDiffusionCheckpoint
migrateProjectToCurrent
migrateWebAvProject
migrationMaterialProgram
milliseconds
projectAudioMastering
registerAutomaticProxy
restoreLatestProject
seconds
@aelionsdk/transaction
Classes
EditingCommands
TransactionBuilder
TransactionEngine
TransactionHistory
Interfaces
AddMarkerOptions
AffectedRange
ChangeSet
EditOptions
HistoryState
InsertItemOptions
LinkItemsOptions
MoveItemOptions
MoveLinkedGroupOptions
PreparedTransactionCommit
RemoveItemOptions
RemoveLinkedGroupOptions
RemoveMarkerOptions
ReorderTrackOptions
ReplaceItemOptions
RippleInsertItemOptions
RippleRemoveItemOptions
RollEditOptions
SetSelectionMetadataOptions
SetTrackFlagOptions
SlideItemOptions
SlipItemOptions
SplitItemOptions
SplitItemResult
SplitLinkedGroupOptions
SplitLinkedGroupResult
TransactionCommit
TransactionEngineOptions
TransactionHistoryOptions
TransactionHost
TransactionValidationResult
TrimItemOptions
TrimLinkedGroupOptions
UnlinkItemsOptions
UpdateMarkerOptions
Type Aliases
AtomicOperation
CommandOptions
ProjectChangeListener
ProjectValidation
TransactionCommitPreparer
Variables
TRANSACTION_MAX_OPERATIONS
Functions
applyOperation
applyOperations
collectAffectedRanges
rangeEnd
@aelionsdk/vite-plugin
Classes
AelionWebpackPlugin
Interfaces
AelionRuntimeAssetFile
AelionRuntimeAssetUrls
AelionVitePluginOptions
AelionWebpackPluginOptions
Functions
aelion
aelionRuntimeAssetUrls
loadAelionRuntimeAssets
References
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TrackKind
TrackKind
=
"video"
|
"audio"
Defined in:
media/src/types.ts:3