ci (Windows): the runner's msys2 shell starts as the base MSYS
environment (MSYSTEM=MSYS), which install-deps.sh rejects. Set the
job-level MSYSTEM=UCRT64 env and prepend /ucrt64/bin to PATH in every
Windows step, so pacman installs and the toolchain resolve against the
mingw-w64-ucrt-x86_64 packages.
fixtures: the restructured workspace moved the media fixtures into
crates/oak-app/tests; the remaining references pointed at the old
repo-root tests/ — oak-codec realmedia_tests + hwdecode, oak-node
serializer golden, oak-worker procpool integration. All point at
../oak-app/tests now (oak-app's own tests/demo.mp4 references were
already correct after the move).
All crates take the oak-* kebab-case naming (oak-audio, oak-codec,
oak-common, oak-core, oak-ffmpeg-link, oak-node, oak-otio, oak-plugin,
oak-render, oak-storage, oak-task, oak-timeline, oak-undo), with the
lib identifiers rewritten (oakrender:: -> oak_render::, oakcore_rs:: ->
oak_core::, ...) across all 226 referencing files.
The GUI application moves from the workspace root into
crates/oak-app/: src/, build.rs (paths fixed for the new location) and
tests/ travel with it, the root Cargo.toml becomes workspace-only
([workspace] + workspace.package + profiles), and the app package
inherits the workspace version. The screenshots example becomes a
standalone crate examples/simple_player/ with its own Cargo.toml.
Every crate now inherits the single workspace version
(version.workspace = true), and the workflows' crate paths and the
build docs follow the renames.
Validated with a clean cargo check --workspace.
A claim mixing audio and video tickets is delivered as the video
message first and the audio message second, and the worker pops one
free-ring slot per ticket in that message order, checking each pop
against the assignment. The dispatcher however assigned slots in the
scheduler's interleaved frame order, so every audio ticket inside a
mixed batch mismatched, and each mismatch consumed a worker slot
without recycling it — cascading into the 'slot assignment mismatch'
flood and failed frames during playback.
Slot assignment now partitions the claim: video tickets first, then
audio. The mixed_audio_video integration test forces mixed claims
(queue depth > slot count with immediate releases) and fails with the
exact production signature when the fix is reverted.
- Audio tickets join the process backend: render_audio_batch wire
message, workers mix straight into shm slots (SLOT_FORMAT_AUDIO_F32),
ShmAudio payload with release semantics, crash isolation covers audio
renders; playback audio uses an async 4-chunk prefetch drained on the
UI tick (also fixes the sub-60fps chunk truncation bug); oversized
ranges and dispatcher outages fall back to in-process inline.
- Per-ticket slot formats: force_format is honored (exports request
F32 slots, dropping the BGRA8 round-trip and its 8-bit quantization);
segments grow on demand via worker-idle rebuild with generation
handoff; the scheduler filters over-capacity tickets.
- Adaptive defaults: 128-256MB/worker segment budgets drive slots per
worker, batch size follows workers/slots; bench_process example
measures throughput and adjacent-frame completion deltas
(e.g. 4 workers: 841 fps, 4.6ms mean delta).
- WorkerPool thread pool deleted; RenderManager defaults to the
Processes backend (oak-worker children), Threads kept as a test-only
inline dispatcher; audio tickets stay in-process until S3.
- Onscreen path reads worker shm slots directly: BGRA8 slot format,
RenderedFrame::Shm wrapped into the display buffer (single disclosed
GPU-staging memcpy), scopes analyze BGRA8; the long-lived full-res /
thumbnail paths take the counted slot_to_vec copy and release.
- Playback pre-render window: forward 120 frames (configurable) fed to
the PreviewScheduler at Playback priority, interleaved across
workers, cached in shm slots until the playhead consumes them;
generation-based invalidation cancels and releases on edits.
- oaktask export and oak-cli run on private ProcessDispatchers (fixed
a pump-while-locked self-deadlock in the export loop); facade
get_frame handles ShmFrame payloads.
- Acceptance: preview path main_heap_frame_copies == 0 with spawned
workers, CLI transcode/render verified end to end.
Mike-Solar