Show HN: Browser-based audio extractor tool

Re:Show HN: Browser-based audio extractor tool by jackbeck on Sunday May 02, 2021 @07:06AM (#27014105)

Hey HN, This is the first of many media oriented tools I plan on creating that are focused on user privacy. With this tool, you can extract audio from any video. Currently it only supports Chrome or Chromium based browser seeing as the underlying tech uses SharedArrayBuffer.

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Re:Show HN: Browser-based audio extractor tool by lights0123 on Sunday May 02, 2021 @01:19PM (#27016961)

> Currently it only supports Chrome or Chromium based browser seeing as the underlying tech uses SharedArrayBuffer

...which Firefox supports. You already properly cross-origin isolate your website, so it is already available on it.

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Re:Show HN: Browser-based audio extractor tool by lioeters on Sunday May 02, 2021 @02:47PM (#27017752)

Funny to see this mentioned. Just this morning I was struggling to get ffmpeg-wasm working on Firefox. It should theoretically be possible with HTTPS and configured headers:

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

Related links:

Does not work in Firefox 79+ because SharedArrayBuffer is undefined - https://github.com/ffmpegwasm/ffmpeg.wasm/issues/106

SharedArrayBuffer: Planned changes to shared memory - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...

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Re:Show HN: Browser-based audio extractor tool by jackbeck on Sunday May 02, 2021 @02:51PM (#27017782)

Yeah, I get an error saying something like f.asm is undefined and the maintainer is MIA. I’m taking a look at creating a form of the project and seeing what can be done at some point.

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Re:Show HN: Browser-based audio extractor tool by jackbeck on Sunday May 02, 2021 @01:24PM (#27017002)

There seems to be an issue with compiling FFmpeg to wasm which prevents it from working on Firefox

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Re:Show HN: Browser-based audio extractor tool by taf2 on Sunday May 02, 2021 @12:51PM (#27016711)

I was super disappointed when Apple removed support for SharedWorkers…. Seems SharedArrayBuffer could have easily been part of Safari.

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Re:Show HN: Browser-based audio extractor tool by jackbeck on Sunday May 02, 2021 @01:25PM (#27017010)

I’m working on a solution for this, I hope to have this working cross browser within a week.

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Re:Show HN: Browser-based audio extractor tool by jackbeck on Monday May 03, 2021 @07:08AM (#27023624)

I have a version up that in theory should support Safari (both desktop and mobile). The only limitation at the moment is that there's no progress indicator.

Edit: limitation is gone, it should work 100% now

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Re:Show HN: Browser-based audio extractor tool by funcDropShadow on Monday May 03, 2021 @08:02AM (#27023982)

> ... that are focused on user privacy. ... Currently it only supports Chrome or Chromium

To me, that is an obvious contradiction.

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Re:Show HN: Browser-based audio extractor tool by jackbeck on Monday May 03, 2021 @08:52AM (#27024394)

Believe me, I feel the same way. I launched the first version of this tool to gauge interest. As we speak a new version has gone up with complete cross-browser support. Although it isn’t easy that the browser with the most privacy issues has the most features...

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Re:Show HN: Browser-based audio extractor tool by fragileone on Tuesday May 04, 2021 @11:00PM (#27045704)

That's a feature of Google's web dominance - they can churn out tons of features which means their competitors have to expend most of their productive output just to keep parity.

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