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https://github.com/souvik-ghosh/react-native-create-thumbnail
iOS/Android thumbnail generator with support for both local and remote videos
https://github.com/souvik-ghosh/react-native-create-thumbnail
android ios react-native thumbnails video
Last synced: about 2 months ago
JSON representation
iOS/Android thumbnail generator with support for both local and remote videos
- Host: GitHub
- URL: https://github.com/souvik-ghosh/react-native-create-thumbnail
- Owner: souvik-ghosh
- License: mit
- Created: 2019-12-08T14:43:48.000Z (almost 5 years ago)
- Default Branch: master
- Last Pushed: 2024-05-16T21:52:39.000Z (4 months ago)
- Last Synced: 2024-05-29T15:17:52.698Z (4 months ago)
- Topics: android, ios, react-native, thumbnails, video
- Language: Java
- Homepage:
- Size: 921 KB
- Stars: 238
- Watchers: 6
- Forks: 104
- Open Issues: 6
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# react-native-create-thumbnail
iOS/Android thumbnail generator with storage/cache management and support for both local and remote videos. `react-native-create-thumbnail` is a wrapper around
[`AVAssetImageGenerator`](https://developer.apple.com/documentation/avfoundation/avassetimagegenerator?language=objc) (iOS) and [`MediaMetadataRetriever`](https://developer.android.com/reference/android/media/MediaMetadataRetriever) (Android)
[](https://npmjs.com/package/react-native-create-thumbnail) [](https://npmjs.com/package/react-native-create-thumbnail) [](#maintenance-status)
## Getting started
1. Install library from `npm`
```bash
npm i react-native-create-thumbnail
```
or
```bash
yarn add react-native-create-thumbnail
```
2. Link native code
With autolinking (react-native 0.60+)
```bash
cd ios && pod install
```
Pre 0.60
```bash
react-native link react-native-create-thumbnail
```
## Usage
```javascript
import { createThumbnail } from "react-native-create-thumbnail";
createThumbnail({
url: '',
timeStamp: 10000,
})
.then(response => console.log({ response }))
.catch(err => console.log({ err }));
```
## Request Object
| Property | Type | Description |
| --------- | :-----------------------: | :------------------------------------------------------------------------ |
| url | `String` (required) | Path to video file (local or remote) |
| timeStamp | `Number` (default `0`) | Thumbnail timestamp (in milliseconds) |
| format | `String` (default `jpeg`) | Thumbnail format, can be one of: `jpeg`, or `png` |
| maxWidth | `Number` (default `512`) | Max thumbnail width in px |
| maxHeight | `Number` (default `512`) | Max thumbnail height in px |
| dirSize | `Number` (default `100`) | Maximum size of the cache directory (in megabytes). When this directory is full, the previously generated thumbnails will be deleted to clear about half of it's size. |
| headers | `Object` | Headers to load the video with. e.g. `{ Authorization: 'someAuthToken' }` |
| cacheName | `String` (optional) | Cache name for this thumbnail to avoid duplicate generation. If specified, and a thumbnail already exists with the same cache name, it will be returned instead of generating a new one. |
| timeToleranceMs | `Number` (default `2000`, Only iOS) | Time tolerance in ms for the system to pick the best matching video frame |
## Response Object
| Property | Type | Description |
| -------- | :------: | :-------------------------- |
| path | `String` | Path to generated thumbnail |
| size | `Number` | Size (in bytes) of thumbnail|
| mime | `String` | Mimetype of thumbnail |
| width | `Number` | Thumbnail width |
| height | `Number` | Thumbnail height |
#### Notes
Requires following Permissions on android
```bash
READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE
```
#### Limitations
- Remote videos aren't supported on android sdk_version < 14.
- This is a **Native Module**, so it won't work in expo managed projects.
- This library heavily depends on the native API's to generate the thumbnails. Thus it can only generate from the video formats/codecs that are supported by the device's OS.
#### Credits
- [`react-native-thumbnail`](https://www.npmjs.com/package/react-native-thumbnail) - A great source of inspiration
- This project was bootstrapped with [`create-react-native-module`](https://github.com/brodybits/create-react-native-module)
#### Maintenance Status
**Active:** Bug reports, feature requests and pull requests are welcome.