[Webkit-unassigned] [Bug 261402] New: Calling configure on WebCodecs Video Encoder triggers a new key frame each time even if the configuration is only changing the bitrate

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Sep 11 03:46:21 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=261402

            Bug ID: 261402
           Summary: Calling configure on WebCodecs Video Encoder triggers
                    a new key frame each time even if the configuration is
                    only changing the bitrate
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: youennf at gmail.com

We could try to change the model so that we pass the configure command up to the actual encoder, but it would somehow clash with the libwebrtc codec model.
A simpler approach is to make sure that if only bitrate is changing, we should not recreate the underlying compression session and send a change-bitrate message instead.

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