[Webkit-unassigned] [Bug 77224] New: noteGrainOn is too long

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77224

           Summary: noteGrainOn is too long
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Audio
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rtoy at chromium.org
                CC: crogers at google.com


As discovered in the note-grain-on-timing test in bug 76659, noteGrainOn generates a signal that is longer than the specified duration.  This is caused by AudioBufferSourceNode::renderFromBuffer always adding 512 samples to the end to allow for HRTF tail-time, according to the fixme comment.  This should be fixed.

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