Samuel Newman
57 lines
1.6 KiB
TypeScript
57 lines
1.6 KiB
TypeScript
import {getVideoMetaData, Video} from 'react-native-compressor'
|
|
import {type ImagePickerAsset} from 'expo-image-picker'
|
|
|
|
import {SUPPORTED_MIME_TYPES, type SupportedMimeTypes} from '#/lib/constants'
|
|
import {type CompressedVideo} from './types'
|
|
import {extToMime} from './util'
|
|
|
|
const MIN_SIZE_FOR_COMPRESSION = 25 // 25mb
|
|
|
|
export async function compressVideo(
|
|
file: ImagePickerAsset,
|
|
opts?: {
|
|
signal?: AbortSignal
|
|
onProgress?: (progress: number) => void
|
|
},
|
|
): Promise<CompressedVideo> {
|
|
const {onProgress, signal} = opts || {}
|
|
|
|
const isAcceptableFormat = SUPPORTED_MIME_TYPES.includes(
|
|
file.mimeType as SupportedMimeTypes,
|
|
)
|
|
|
|
if (file.mimeType === 'image/gif') {
|
|
// let's hope they're small enough that they don't need compression!
|
|
// this compression library doesn't support gifs
|
|
// worst case - server rejects them. I think that's fine -sfn
|
|
return {uri: file.uri, size: file.fileSize ?? -1, mimeType: 'image/gif'}
|
|
}
|
|
|
|
const minimumFileSizeForCompress = isAcceptableFormat
|
|
? MIN_SIZE_FOR_COMPRESSION
|
|
: 0
|
|
|
|
const compressed = await Video.compress(
|
|
file.uri,
|
|
{
|
|
compressionMethod: 'manual',
|
|
bitrate: 3_000_000, // 3mbps
|
|
maxSize: 1920,
|
|
// WARNING: this ONE SPECIFIC ARG is in MB -sfn
|
|
minimumFileSizeForCompress,
|
|
getCancellationId: id => {
|
|
if (signal) {
|
|
signal.addEventListener('abort', () => {
|
|
Video.cancelCompression(id)
|
|
})
|
|
}
|
|
},
|
|
},
|
|
onProgress,
|
|
)
|
|
|
|
const info = await getVideoMetaData(compressed)
|
|
|
|
return {uri: compressed, size: info.size, mimeType: extToMime(info.extension)}
|
|
}
|