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200ms webm daily doc

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Igor Loskutov
2026-01-09 10:54:12 -05:00
parent 1f2aeff8cc
commit 3be7fc0b9a
3 changed files with 13 additions and 9 deletions
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10
server/reflector/pipelines/main_multitrack_pipeline.py
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@@ -91,12 +91,12 @@ class PipelineMainMultitrack(PipelineMainBase):
- Track 0: (1760988935922 - 1760988935484) / 1000 = 0.438s
- Track 1: (1760988943823 - 1760988935484) / 1000 = 8.339s
TIME DIFFERENCE: PyAV metadata vs filename timestamps differ by ~209ms:
- Track 0: filename=438ms, metadata=229ms (diff: 209ms)
- Track 1: filename=8339ms, metadata=8130ms (diff: 209ms)
TIME DIFFERENCE: PyAV metadata vs filename timestamps differ by ~200ms:
- Track 0: filename=438ms, metadata=229ms (diff: ~200ms)
- Track 1: filename=8339ms, metadata=8130ms (diff: ~200ms)
Consistent delta suggests network/encoding delay. PyAV metadata is ground truth
(represents when audio stream actually started vs when file upload initiated).
Note: The ~200ms difference isn't crucial - either method works for alignment.
Filename timestamps are preferable due to being better officially documented.
Example with 2 participants:
Track A: start_time=0.2s → Joined 200ms after recording began