proposal-common-minimum-api
AudioWorkletStream
proposal-common-minimum-api | AudioWorkletStream | |
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7 | 5 | |
208 | 25 | |
4.3% | - | |
4.7 | 5.6 | |
about 1 month ago | 3 months ago | |
Bikeshed | HTML | |
GNU General Public License v3.0 or later | - |
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proposal-common-minimum-api
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Can you make your own JavaScript by implementing ECMAScript standard?
If you are considering building a modern JavaScript runtime I would suggest reading Minimum Common API.
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All all Web API interfaces actually JavaScript objects?
Deno, CloudFlare Workerd, VM Labs WASM Worker Server, and others use some semblance of the ServiceWorker onfetch pattern as a server implementation. Why? Because onfetch of a ServiceWorker with Response() used to send a response to the client is ergonomic. Web API's being implemented by JavaScript runtimes that do not target the browser. In order to try to normalize implementation of Web API's for compatibility there is https://github.com/wintercg/proposal-common-minimum-api.
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Simple requirement: Bundle dependencies into a single script. esbuild, webpack, bun build throw errors. Solution?
I guess you do not support Minimum Common API even though Node.js does?
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JavaScript Standard Input/Output: Unspecified
Common I/O (stdin/stdout/stderr) module specification #47.
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Node.js fetch() vs. Deno fetch(): Implementation details...
My goal for one part of this project was to use the same fetch() code in a Node.js and Deno Native Messaging host, respectively, in the spirit of Minimum Common API
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how to improve nodejs startup times
The premise of this question is precisely why I filed Single HTTPS server for QuickJS, Bun, Deno, Node.js - without reliance on either to build #33. Closed as
AudioWorkletStream
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Node.js fetch() vs. Deno fetch(): Implementation details...
// Exits half way through reading response when --max-old-space-size=6 is set // Exits immediately when --jitless flag is set // // Usage: // // port.postMessage({ // url: 'https://github.com/guest271314/AudioWorkletStream/raw/master/house--64kbs-0-wav', // method: 'get', // body: null // })
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Are you using generators?
Yes. Fetching a single or multiple files for an infinite stream of audio https://github.com/guest271314/AudioWorkletStream/blob/master/worker.js. Streaming (real-time) audio is non-trivial. Any gaps or glitches in playback will be audible to the user. We could test for expected Float32Arrays. I would suggest complentary manual test in, e.g., WPT to determine audio output does not have gaps or glitches; and renders the expected playback rate.
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I Created A Web Speech API NPM Package Called SpeechKit
One way to do that is utilizing Native Messaging on Chromium or Firefox https://github.com/guest271314/native-messaging-espeak-ng, and https://github.com/guest271314/webtransport/blob/main/webTransportEspeakNg.js for some WebTransport experiments. Technically we don't need a local server. We can stream and parse the WAV directly and pipe to AudioWorklet or a MediaStreamTrackGenerator https://github.com/guest271314/AudioWorkletStream. The same is true for speech recognition, where audio is piped to the local application and text or JSON piped back. Note also espeak-ng has been compiled to WebAssembly. I created native-messaging-espeak-ng for the ability to pass SSML directly to espeak-ng.
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How to stream/play a video or audio file on HTTP?
You can stream audio and/or video over HTTP using fetch() https://github.com/guest271314/AudioWorkletStream as long as you know how to parse the codec, if the media is encoded.
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Is it possible to have an accurate timer in javascript
Re using a dedicated Worker and AudioWorklet to stream, see, e.g., https://github.com/guest271314/AudioWorkletStream; https://plnkr.co/edit/nECtUZ.
What are some alternatives?
native-messaging-bun - Bun Native Messaging host
streams - Streams Standard
native-messaging-quickjs - QuickJS Native Messaging host
GoogleNetworkSpeechSynthesis - Google's Network Speech Synthesis: Bring your own Google API key and proxy
native-messaging-nodejs - Node.js Native Messaging host
speech-kit - Simplifying the Speech Synthesis and Speech Recognition engines for Javascript. Listen for commands and perform callback actions, make the browser speak and transcribe your speech!
fetch - Fetch Standard
musical-timer - Timers based in musical parameters (time signature, tempo and beat resolution)
webbundle-plugins - A Webpack plugin for generating Web Bundles output.
native-messaging-espeak-ng - Native Messaging => eSpeak NG => MediaStreamTrack
node - Node.js JavaScript runtime ✨🐢🚀✨
pocketsphinx - A small speech recognizer