014e636889
- section-energy: track activity matrix + volume/velocity multipliers per section - smart-chords: ChordEngine with voice leading, inversions, 4 emotion modes - hook-melody: melody engine with hook/stabs/smooth styles, call-and-response - mix-calibration: Calibrator module (LUFS volumes, HPF/LPF, stereo, sends, master) - transitions-fx: FX track with risers/impacts/sweeps at section boundaries - sidechain: MIDI CC11 bass ducking on kick hits via DrumLoopAnalyzer - presets-pack: role-aware plugin presets (Serum/Decapitator/Omnisphere per role) Full SDD pipeline (propose→spec→design→tasks→apply→verify) for all 7 changes. 302/302 tests passing.
28 lines
1.5 KiB
Markdown
28 lines
1.5 KiB
Markdown
# Tasks: Transitions FX
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## Phase 1: FX Transition Map
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- [x] 1.1 Add `FX_TRANSITIONS` dict to `scripts/compose.py`: `{boundary_index: (type, start_offset, length, fade_in, fade_out)}` with 8 entries matching design boundary map
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- [x] 1.2 Add `FX_ROLE = "fx"` constant referencing ATONAL_ROLES membership
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## Phase 2: Build FX Track
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- [x] 2.1 Implement `build_fx_track(sections, offsets, selector, seed=0)` — iterates `FX_TRANSITIONS`, computes clip positions from offsets, selects FX samples
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- [x] 2.2 For each boundary: call `selector.select_one(role="fx", seed=seed + idx)` to pick sample
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- [x] 2.3 Create `ClipDef(position, length, name, audio_path, fade_in, fade_out)` per boundary
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- [x] 2.4 Build `TrackDef("Transition FX", volume=0.72, clips=[...], send_level={reverb: 0.08, delay: 0.05})`
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- [x] 2.5 Add docstring explaining boundary map and FX types (riser/impact/sweep/transition)
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## Phase 3: Integration
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- [x] 3.1 Call `build_fx_track()` in `main()` after clap track, before pad track
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- [x] 3.2 Verify send wiring loop handles new track (existing code; confirm no regression)
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## Phase 4: Testing & Verification
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- [x] 4.1 Write unit test: `build_fx_track` returns TrackDef with exactly 8 clips
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- [x] 4.2 Write unit test: clip positions and fade values match design's boundary map
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- [x] 4.3 Write unit test: all clips have `audio_path` set (not None)
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- [x] 4.4 Write integration test: `compose.py --bpm 99 --key Am --output /tmp/test.rpp` produces valid .rpp with "Transition FX" track
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- [x] 4.5 Run full `pytest` suite — all 110 existing tests pass
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