[Webkit-unassigned] [Bug 239635] MediaRecorder causes Network process crashed in about 10 minutes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=239635

youenn fablet <youennf at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |cdumez at apple.com,
                   |                            |mark.lam at apple.com

--- Comment #11 from youenn fablet <youennf at gmail.com> ---
(In reply to yuki uchida from comment #10)
> (In reply to youenn fablet from comment #9)
> > @ uchidaさん、どういうわけか予想される振る舞いを考えて、このレーダーを閉じます。
> > 回避策の1つを使用してみて、それで問題が解決するかどうかを確認できますか？
> > そうでない場合は、このバグエントリを再度開いてください。
> 
> 
> Thank you for the solution.
> 
> However, I made some modifications to the verification application and
> investigated again, and found that the `network process crashed` was
> occurring every 10 minutes or so, even before the blob binding was done.
> 
> We started recording by specifying timeslice as recorder.start(1000), and
> the data that became ondataavailable was not stored anywhere as is
> 
> ````
> this.mediaRecorder.ondataavailable = (event) => {
>         if (event.data && event.data.size > 0) {
>           console.log(event);
>           // this.blobs.push(event.data);
>           // this.blob = event.data;
>         }
>       }
> ```
> 
> But in fact I get `network process crashed` - is garbage collection not
> working?

Good point about GC, I am not sure that we actually rel.
We might be missing that blobs are big chunk of data which data is owned by a given page.

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