35 lines
2.5 KiB
Markdown
35 lines
2.5 KiB
Markdown
# Known limitations and qualification boundaries
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- Development version 0.1.0, Linux C99/C++17/FLTK, optional JACK. Physical-device
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playback/capture, human transition listening, independent user acceptance and
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long-duration device qualification are pending.
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- Fixed 4/4 and constant tempo snapshots; no tempo map, loop transport, plugin
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latency compensation, limiter, background streaming or multichannel mixer buses.
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- Mono capture/import downmix; stereo track output. Graph ports are mono with
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independent paired processing. Maximum 64 project graph nodes (256 standalone),
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64 tracks, 1024 clips/automation points, 4096 scheduled notes, 256 live MIDI
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events/block, 32 voices, 65536 frames/block. See API headers for exact bounds.
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- WAV samples preload with the memory/format limits in AUDIO_FILES.md. Callback
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overflow reports/silences; there is no CPU preemption or expensive-plugin rescue.
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- Live MIDI fixed volume/pan/sustain mapping; no controller learn, capture, SMF
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import, pitch bend, custom-instrument chooser or instrument timbre controls.
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- Native ABI 1 graph nodes are session-only. ABI 2 state is parameter-only. LADSPA
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supports the documented mono amp/inverter/sine set; no opaque state, native
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editor, MIDI, true multichannel layout, latency compensation or crash isolation.
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Automated LADSPA controls use run(1) and can be expensive.
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- GUI loading/compilation is synchronous on the control thread. Timeline grid/
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zoom/selection and graph positions are session UI state. Undo retains 32 edits
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plus baseline; allocation failures are reported, not silently hidden. Media is
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never removed by undo/delete. Broad screen-reader/accessibility testing is pending.
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- Format v7 reads v1–v6 and uses relative local media references. External absolute
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media/module paths need manual repair after relocation. Saving does not bundle
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media; missing media stays referenced, missing plugins reject GUI installation.
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Unknown data is rejected rather than stripped. Post-rename directory-sync errors
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can report failure even though the complete new document was published.
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- No autosave/session crash restoration, RF64, system service, automatic dependency
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installation or public signed release. Source/binary archives are local artifacts;
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binary packages require compatible system libraries. No third-party plugin or
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dependency binary is bundled. Power-cut durability depends on the filesystem.
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See ROADMAP.md, AUDIO_QUALITY.md, CONTROL.md, WORKFLOW.md, PROJECT_FORMAT.md,
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PERFORMANCE.md, PLUGIN_HOSTING.md and RECOVERY.md for tested contracts/evidence.
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