expo-video-thumbnails
allows you to generate an image to serve as a thumbnail from a video file.Android Device | Android Emulator | iOS Device | iOS Simulator | Web |
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expo install expo-video-thumbnails
If you're installing this in a bare React Native app, you should also follow these additional installation instructions.
import React, { useState } from 'react'; import { StyleSheet, Button, View, Image, Text } from 'react-native'; import * as VideoThumbnails from 'expo-video-thumbnails'; export default function App() { const [image, setImage] = useState(null); const generateThumbnail = async () => { try { const { uri } = await VideoThumbnails.getThumbnailAsync( 'http://d23dyxeqlo5psv.cloudfront.net/big_buck_bunny.mp4', { time: 15000, } ); setImage(uri); } catch (e) { console.warn(e); } }; return ( <View style={styles.container}> <Button onPress={generateThumbnail} title="Generate thumbnail" /> {image && <Image source={{ uri: image }} style={styles.image} />} <Text>{image}</Text> </View> ); } %%placeholder-start%%const styles = StyleSheet.create({ ... }); %%placeholder-end%%const styles = StyleSheet.create({ container: { flex: 1, justifyContent: 'center', alignItems: 'center', backgroundColor: '#F5FCFF', }, image: { width: 200, height: 200, }, });
import * as VideoThumbnails from 'expo-video-thumbnails';
string
) - An URI of the video, local or remote.VideoThumbnailsOptions
) - A map defining how modified thumbnail should be created.Create an image thumbnail from video provided via sourceFilename
.
Name | Type | Description |
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headers (optional) | Record<string, string> | In case sourceFilename is a remote URI, headers object is passed in a network request. |
quality (optional) | number | A value in range 0.0 - 1.0 specifying quality level of the result image. 1 means no
compression (highest quality) and 0 the highest compression (lowest quality). |
time (optional) | number | The time position where the image will be retrieved in ms. |
Name | Type | Description |
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height | number | Height of the created image. |
uri | string | URI to the created image (usable as the source for an Image/Video element). |
width | number | Width of the created image. |