# ChunkToLocFrameOptions

URL: https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/chunktolocframeoptions/

Defined in: [webcodecs.ts:80](https://github.com/caprids/relay-sdks/blob/main/ts/packages/moq-media/src/webcodecs.ts#L80)

Options for [chunkToLocFrame](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/functions/chunktolocframe/). Decoder configuration is attached to key chunks only.

## Extends

- [`LocPropertiesOptions`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/locpropertiesoptions/)

## Properties

### audioConfig?

```ts
audioConfig?: Uint8Array<ArrayBufferLike>;
```

Defined in: [loc.ts:49](https://github.com/caprids/relay-sdks/blob/main/ts/packages/moq-media/src/loc.ts#L49)

Audio decoder configuration, emitted as Audio Config. Supply it on keyframes only.

#### Inherited from

[`LocPropertiesOptions`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/locpropertiesoptions/).[`audioConfig`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/locpropertiesoptions/#audioconfig)

***

### timescale?

```ts
timescale?: number;
```

Defined in: [loc.ts:45](https://github.com/caprids/relay-sdks/blob/main/ts/packages/moq-media/src/loc.ts#L45)

Ticks per second for the emitted Timestamp; a positive safe integer. Default [MICROSECONDS\_PER\_SECOND](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/variables/microseconds_per_second/).

#### Inherited from

[`LocPropertiesOptions`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/locpropertiesoptions/).[`timescale`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/locpropertiesoptions/#timescale)

***

### timestampOffsetUs?

```ts
timestampOffsetUs?: number;
```

Defined in: [webcodecs.ts:82](https://github.com/caprids/relay-sdks/blob/main/ts/packages/moq-media/src/webcodecs.ts#L82)

Added to the chunk timestamp. Use one shared offset across tracks to normalize negative timestamps.

***

### videoConfig?

```ts
videoConfig?: Uint8Array<ArrayBufferLike>;
```

Defined in: [loc.ts:47](https://github.com/caprids/relay-sdks/blob/main/ts/packages/moq-media/src/loc.ts#L47)

Supply decoder configuration on keyframes only.

#### Inherited from

[`LocPropertiesOptions`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/locpropertiesoptions/).[`videoConfig`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/locpropertiesoptions/#videoconfig)