[Webkit-unassigned] [Bug 231162] New: ObjectiveC WebRTC frame buffers are autoreleased late, especially on Debug builds

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=231162

            Bug ID: 231162
           Summary: ObjectiveC WebRTC frame buffers are autoreleased late,
                    especially on Debug builds
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: youennf at gmail.com
                CC: youennf at gmail.com

ObjectiveC WebRTC frame buffers are autoreleased late, especially on Debug builds.
On debug builds, running https://webrtc.github.io/samples/src/content/peerconnection/change-codecs/ with VP8 and mock capture source (click start, then call) will see memory increases a lot, up to more than 1 GB.
When clicking hang up, all this memory got autoreleased but we would hope it would be released sooner.

On debug builds, running https://webrtc.github.io/samples/src/content/peerconnection/pc1/ with the real camera fails after a few frames being encoded (click start, then call).
The camera CVPixelBuffers are only released after clicking hang up, which makes the camera stopping to emit frames.

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