Samuel Newman
36 lines
903 B
TypeScript
36 lines
903 B
TypeScript
import {type ImagePickerAsset} from 'expo-image-picker'
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import {VIDEO_MAX_SIZE} from '#/lib/constants'
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import {VideoTooLargeError} from '#/lib/media/video/errors'
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import {type CompressedVideo} from './types'
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// doesn't actually compress, just reads the File bytes
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export async function compressVideo(
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asset: ImagePickerAsset,
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_opts?: {
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signal?: AbortSignal
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onProgress?: (progress: number) => void
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},
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): Promise<CompressedVideo> {
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let bytes: ArrayBuffer
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if (asset.file) {
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bytes = await asset.file.arrayBuffer()
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} else {
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// fallback: fetch from blob/object URL
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bytes = await fetch(asset.uri).then(res => res.arrayBuffer())
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}
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if (bytes.byteLength > VIDEO_MAX_SIZE) {
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throw new VideoTooLargeError()
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}
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const mimeType = asset.mimeType ?? asset.file?.type ?? 'video/mp4'
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return {
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size: bytes.byteLength,
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uri: asset.uri,
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bytes,
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mimeType,
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}
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}
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