https://github.com/evanwashere/opus

fast opus bindings for node and browsers
https://github.com/evanwashere/opus

native node opus opus-codec wasm

Last synced: about 1 month ago
JSON representation

fast opus bindings for node and browsers

• Host: GitHub
• URL: https://github.com/evanwashere/opus
• Owner: evanwashere
• License: mit
• Created: 2021-07-27T13:51:11.000Z (almost 4 years ago)
• Default Branch: master
• Last Pushed: 2024-02-11T06:17:38.000Z (over 1 year ago)
• Last Synced: 2025-03-23T16:16:45.277Z (about 2 months ago)
• Topics: native, node, opus, opus-codec, wasm
• Language: JavaScript
• Homepage:
• Size: 6.44 MB
• Stars: 12
• Watchers: 1
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# fast opus bindings for node and browsers

`bun add @evan/opus`

`npm install @evan/opus`

```js

import { Encoder, Decoder } from '@evan/opus';

const e = new Encoder({ channels: 2, sample_rate: 48_000 });

const d = new Decoder({ channels: 2, sample_rate: 48_000 });

d.decode(e.encode(pcm));

```

## supported platforms

|                  | node@10 | node@12 | node@14 | node@16 | node@18 |

| ---------------- | ------- | ------- | ------- | ------- | ------- |

| wasm32           | ✕       | ✓       | ✓       | ✓       | ✓       |

| macos x64        | ✓       | ✓       | ✓       | ✓       | ✓       |

| macos arm64      | ✓       | ✓       | ✓       | ✓       | ✓       |

| windows x64      | ✓       | ✓       | ✓       | ✓       | ✓       |

| linux x64 gnu    | ✓       | ✓       | ✓       | ✓       | ✓       |

| linux arm64 gnu  | ✓       | ✓       | ✓       | ✓       | ✓       |

you can force usage of wasm by setting `OPUS_FORCE_WASM` env variable

for deno and browsers use `@evan/wasm/target/opus/deno.js` from [npm](https://npmjs.com/@evan/wasm)/[cdn](https://unpkg.com/@evan/wasm/target/opus/deno.js)

## benchmarks

![encoding](https://plot.evan.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.png)

![decoding](https://plot.evan.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.png)

## License

MIT © [Evan](https://github.com/evanwashere)