[Webkit-unassigned] [Bug 247736] New: [WebAudio][GStreamer] Use single non-interleaved appsrc instead of multi appsrcs with audiointerleave

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=247736

            Bug ID: 247736
           Summary: [WebAudio][GStreamer] Use single non-interleaved
                    appsrc instead of multi appsrcs with audiointerleave
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bst at pengutronix.de
                CC: philn at igalia.com

GStreamer 1.16 brought support for planar (non-interleaved) raw audio. Let's use that to simplify the "1 appsrc per channel + audiointerleave" approach to a single appsrc with non-interleaved layout.

We do not need to keep the appsrcs and mapped buffers per channel around which lets us drop a bunch of code.

This approach cuts the overhead the GStreamer pipeline causes on the WPEWebProcess in half on an NXP i.MX 6 DualLite.

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