[Webkit-unassigned] [Bug 160692] New: AudioBuffer duration is wrong

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160692

            Bug ID: 160692
           Summary: AudioBuffer duration is wrong
    Classification: Unclassified
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: All
                OS: All
            Status: NEW
          Severity: Major
          Priority: P2
         Component: Web Audio
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: daniele.tassone at cynny.com

Created attachment 285642
  --> https://bugs.webkit.org/attachment.cgi?id=285642&action=review
Chrome/Safari Technology Preview

1) Load 1 chunk of my MP3 (I have 1 mp3 split in 5 chunks)
2) Decode the chunk with "decodeAudioData"
3) Now try to read .duration for this chunk

a) On chrome 48.32 seconds
b) On Firefox is 48.32 seconds
b) On Safari Technology Preview is 268.70 seconds

It look like Chrome/Firefox give me the chunk duration instead Safari is giving back the duration of entirely song (268 seconds is exactly the song duration for all chunks).

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