Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 34045e1b94345e7802aafa757895fb7aa226a380
https://github.com/WebKit/WebKit/commit/34045e1b94345e7802aafa757895fb7aa226a380
Author: Jean-Yves Avenard <[email protected]>
Date: 2026-06-03 (Wed, 03 Jun 2026)
Changed paths:
M Source/WebCore/platform/graphics/TrackBuffer.cpp
Log Message:
-----------
[MSE] TrackBuffer::reenqueueMediaForTime should not enqueue content before
the current playback position
https://bugs.webkit.org/show_bug.cgi?id=316087
rdar://problem/178517738
Reviewed by Eric Carlson.
When a mutation to the source buffer caused the currently-enqueued samples
to be re-enqueued from the playback position, the sample whose range
contained that position was enqueued whole. For container formats that pack
multiple sub-entries per sample (e.g. a single audio sample buffer covering
many AAC frames), this meant sub-entries with presentation times before the
playback position were re-enqueued for presentation.
Split that sample at `time` when the sample is divisable and strictly
straddles it, and enqueue only the tail (sub-entries that contain or are
after `time`).
* Source/WebCore/platform/graphics/TrackBuffer.cpp:
(WebCore::TrackBuffer::reenqueueMediaForTime):
Canonical link: https://commits.webkit.org/314461@main
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