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JSException: SharedArrayBuffer is not defined

See original GitHub issue

i’m not sure if it’s somehow related with #6 but there i get the following error if i want to use FFmpegBlazor in my WebAssembly project. I noticed that there is a JSException on the hosted version on netlify as well. i’m testing https://ffmpegblazor.netlify.app/tomp3

Microsoft.JSInterop.JSException: SharedArrayBuffer is not defined
ReferenceError: SharedArrayBuffer is not defined
    at blob:https://localhost:5011/8b279815-9592-46f1-806c-a92e17d96ca7:22:175
    at https://unpkg.com/@ffmpeg/ffmpeg@0.10.0/dist/ffmpeg.min.js:1:7334
    at f (https://unpkg.com/@ffmpeg/ffmpeg@0.10.0/dist/ffmpeg.min.js:1:12320)
    at Generator._invoke (https://unpkg.com/@ffmpeg/ffmpeg@0.10.0/dist/ffmpeg.min.js:1:12108)
    at Generator.next (https://unpkg.com/@ffmpeg/ffmpeg@0.10.0/dist/ffmpeg.min.js:1:12745)
    at i (https://unpkg.com/@ffmpeg/ffmpeg@0.10.0/dist/ffmpeg.min.js:1:5052)
    at c (https://unpkg.com/@ffmpeg/ffmpeg@0.10.0/dist/ffmpeg.min.js:1:5255)
   at Microsoft.JSInterop.JSRuntime.<InvokeAsync>d__16`1[[Microsoft.JSInterop.Infrastructure.IJSVoidResult, Microsoft.JSInterop, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext()
   at Microsoft.JSInterop.JSObjectReferenceExtensions.InvokeVoidAsync(IJSObjectReference jsObjectReference, String identifier, Object[] args)
   at FFmpegBlazor.FFMPEG.Load(Boolean triggerEvents)

i’m happy to provide more info if needed. Thank you

Issue Analytics

State:
Created 2 years ago
Reactions:1
Comments:14 (6 by maintainers)

Top GitHub Comments

1reaction

sps014commented, Aug 8, 2022

@Heartnett Another alternative is to build project then use 3rd party local web server which can serve wasm files and allows you to add headers with web request ie. add these :

Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Opener-Policy: same-origin

1reaction

sps014commented, Mar 8, 2022

That should be resolved in .NET 7 when they deliver Multi threading support in blazor wasm . Currently not sure about Kestrel , didn’t find anything useful.

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