BridgeSwarm/examples/media-demo/README.md

Media Studio — probe, transform, transcode

What this example does

Batch media tools on the default media pack (bare-media + bare-ffmpeg):

• probe info
• imageTransform (resize / WebP)
• extractFrame
• transcode with progress events

Files stay under BRIDGE_SWARM_STORAGE/cap-jobs/.

Prerequisites

Install the BridgeSwarm extension and native host. On macOS after a host update, run npm run repair:macos and fully quit the browser.

How to run

Recommended: Extension Settings → enable Examples server.

npm run examples

Open http://127.0.0.1:4173/media-demo/. Do not use file://.

Usage

1. Drop or pick an image or video.
2. Run Info, Transform, Extract frame, or Transcode.
3. Progress and errors show in the log; outputs can be downloaded from the page.

Files in this directory

• index.html — File picker and action buttons.
• style.css — Stage layout.
• app.js — BridgeSwarm.media.* wrappers.

APIs and concepts

• BridgeSwarm.media.info / imageTransform / extractFrame / transcode / cancel
• cap-chunk / cap-end / cap-error events under the NMH size limit

See Capabilities.