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Buffer internal frames during ParallelPipeline lifecycle synchronization

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Processors inside parallel sub-pipelines can push frames during
StartFrame/EndFrame/CancelFrame processing. Previously these frames
could escape the ParallelPipeline before all branches finished
processing the lifecycle frame. Now they are buffered and flushed
after synchronization completes.
This commit is contained in:
Aleix Conchillo Flaqué
2026-02-06 15:12:48 -08:00
parent 8d37d3bae7
commit 4945cfbd8f
3 changed files with 51 additions and 2 deletions
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- Fixed `ParallelPipeline` allowing frames pushed by internal processors to escape during lifecycle frame (`StartFrame`/`EndFrame`/`CancelFrame`) synchronization. These frames are now buffered and flushed after all branches complete.