[Webkit-unassigned] [Bug 227388] New: createMediaElementSource is not working with an HLS Stream with FPS DRM protection

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=227388

            Bug ID: 227388
           Summary: createMediaElementSource is not working with an HLS
                    Stream with FPS DRM protection
           Product: WebKit
           Version: Safari 14
          Hardware: Unspecified
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Audio
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: paulineh at theodo.fr
                CC: cdumez at apple.com

Hello !

I'm trying to use WebAudio API on top of a video element. The src is an HLS stream protected with FPS DRM.

We use a script to modulate the volume of the left and right channels. The script works fine on chrome but not on Safari (mac & ios) or in a webview. We can hear the audio stream but we can't change the volume of either channel. It seems that the web audi API has no effect.

I found this issue that seems to report the same problem : https://bugs.webkit.org/show_bug.cgi?id=180696. It's kind of old, but I can't find out if it has been resolved or not.


Thank you for your time ! 

Pauline

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