ffmpegwasm/ffmpeg.wasm

Playground throws DataCloneError on Safari

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#528 opened on Jul 31, 2023

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help wanted

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Description

Describe the bug Ran playground (https://ffmpegwasm.netlify.app/playground/) on Safari 15.6.1 and it halts after loading the wasm bundle. A DataCloneError is thrown in console.

To Reproduce Steps to reproduce the behavior:

  1. Go to playground on Safari
  2. Wait until the error throws in console.

Expected behavior The wasm bundle should load on Safari.

Desktop (please complete the following information):

  • OS: macOS Monterey
  • Browser: Safari
  • Version: 15.6.1

Contributor guide

Research direction
Investigate the DataCloneError in Safari when transferring WebAssembly module instances. Check postMessage calls and ensure objects are transferable or properly cloned.
Tech stack
javascripttypescriptwasm
Domain
frontendweb dev
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitWebAssembly basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65