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# CMSampleBuffer.HEVCTemporalInfo

The temporal layer information for all samples in a temporal layer.

```
struct HEVCTemporalInfo
```

## Overview

The members of this struct represents the `tscl` sample group as defined in ISO/IEC 14496‐15 section 8.4.5
Temporal scalability sample grouping..

## Topics

### Initializers

[`init(temporalLayerID: Int, profileSpace: Int, tierFlag: Int, profileIndex: Int, profileCompatibilityFlags: Data?, constraintIndicatorFlags: Data?, levelIndex: Int)`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/init(temporalLayerID:profileSpace:tierFlag:profileIndex:profileCompatibilityFlags:constraintIndicatorFlags:levelIndex:))

### Instance Properties

[`var constraintIndicatorFlags: Data?`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/constraintIndicatorFlags)

[`var levelIndex: Int`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/levelIndex)

[`var profileCompatibilityFlags: Data?`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/profileCompatibilityFlags)

[`var profileIndex: Int`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/profileIndex)

[`var profileSpace: Int`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/profileSpace)

[`var temporalLayerID: Int`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/temporalLayerID)

[`var tierFlag: Int`](/documentation/CoreMedia/CMSampleBuffer/HEVCTemporalInfo/tierFlag)

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

---

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