[Webkit-unassigned] [Bug 196186] New: [MSE] audio distorted playing flv with flv.js

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=196186

            Bug ID: 196186
           Summary: [MSE]  audio distorted playing flv with flv.js
           Product: WebKit
           Version: WebKit Local Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: xry111 at mengyan1223.wang

When watching a video from bilibili.com with epiphany-3.32.1.2, its audio is distorted heavily.

bilibili.com has open-sourced their player so I can reproduce this issue:

1. Build WebKitGTK-2.24.0.
2. Run MiniBrowser, open http://bilibili.github.io/flv.js/demo/.
3. Input the URL https://bf.mengyan1223.wang/assets/test.flv into the testbox and press "Load".
4. This video is grabbed from https://www.bilibili.com/video/av12268511.  It contains scenes from various Star Trek episodes.  But with MiniBrowser and flv.js all human voice become Borg-like :).

If play this video natively (w/o MSE and flv.js) the audio is fine.

I'm not sure if this is a WebKit issue or flv.js issue.  Also not sure if this should be in "Media" or "WebKitGTK" (because I have no Macs to test Safari).

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