84caa3589b2091a5be08af085dadc0528ec81b93
Two playback-audio defects found while chasing periodic pops, clipped words and repeated phrases: 1. The playback clocks are created at engine init with the fallback rate (hd_1080p25) and never updated, while audio chunks are sized by the SEQUENCE time base (30/1 from the broken default). The playhead advanced at 25 fps but each chunk carried only 1600 samples, so production ran at 40000 samples/s against the device's 48000 -- ~17% of playback time was zero-filled silence (clipped words). tick() now syncs both clocks to the sequence's actual rate. 2. The underrun self-heal cleared the whole device queue (~190 ms of unheard content skipped), reset the prefetch (whose first re-rendered chunk was then always dropped as late) and re-anchored the master clock, re-rendering already-played audio whenever the playhead lagged (audible as a pop plus a repeated phrase, every ~1.1 s). It now trims just the stale lead from the queue (PreviewAudioDevice::drop_front_frames): the zero-fill already advanced the output clock past that content, so the rest of the queue stays audible and the anchor stays valid. Also adds the OAK_DEBUG_AUDIO event log used to diagnose all of this (prefetch resets, late drops, underruns, heals, reanchor jumps, per-tick queue state).
Oak Video Editor 
Oak Video Editor is a free non-linear video editor for Windows, macOS, and Linux.
This project is a community-maintained fork of Olive Video Editor.

NOTE: Oak Video Editor is alpha software and is considered highly unstable. While we highly appreciate users testing and providing usage information, please use at your own risk.
Binaries
The binary can be downloaded here:
Building from Source
See docs/build.md for build instructions on Windows (MSYS2), Linux (Debian/Ubuntu, Fedora, Arch Linux), and macOS.
Documentation
- Project Storage Architecture (中文) — database write-through persistence, node-granular journal, persistent undo
- Build guide · 工程文件格式
Roadmap
| Version | Theme | Core Deliverables | Boundary Notes |
|---|---|---|---|
| 0.3 | Plugin Architecture Milestone | Production-ready OpenFX host support | Not about quantity of plugins, but "any OFX plugin loads without crashing" |
| 0.4 | Color, Audio & Performance | .cube/.3dl support, scopes (waveform/vectorscope/histogram), three-way color wheels, waveform auto-sync, BWF timecode sync, audio meters (LUFS/VU), proxy media workflow, hardware-accelerated export (NVENC/VideoToolbox), batch render queue |
Combines the previous 0.4-0.6 scope into one usability milestone: color workflow, audio sync, and 4K/8K performance |
| 0.5 | Animation, Tracking & Collaboration | Bézier keyframe curve editor, basic point tracking, image stabilizer, full multicam angle switching, OpenTimelineIO, EDL/XML import/export | Combines the previous 0.7-0.8 scope into one timeline/interchange milestone |
| 0.6 | Stability Milestone | Project file format freeze (backward compatibility promise), crash recovery, autosave, memory optimization | "Feature freeze" testing period before 1.0 |
| 1.0 | Production Ready | Complete documentation, installers, known issues list, community support channels | Declared "ready for serious projects" |
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