...t in fallback branch copied soundfont_id, soundfont_bank,
soundfont_program, instrument_source from parent MAIN track
even though instrumentProgram and synth_engine were nulled.
FluidSynth picks up these fields and auto-loads the SoundFont.
Fix: override all soundfont/synth fields to null/undefined.
Previous fix f2ac70e inherited instrumentId/program/name
from parent MAIN track. This causes SECTION-TAB to auto-load
program 0 of whatever SoundFont is loaded on MAIN, even
though user didn't select any instrument for the section.
Section tracks now keep null instrument + synth_engine
undefined. User can still load instrument manually via
Synth button (routed by updateActiveTracks fix).
updateActiveTracksRef checks sessionTabs by currentActiveTab.
When activeTab is a PIANO_ROLL sub-tab (midi_xxx), none matches
-> falls to setTracks (main). Instrument changes are lost.
Fix: also check subTabs for PIANO_ROLL type, resolve parent
session tab via parent_tab_id, route to setSessionTabs.
Ctrl+Click handler toggled selection + set pending drag.
Once selected, drag system treated it as 'move selection'
instead of 'copy'. Removed selection toggle - Ctrl+Click
now only sets pending drag for copy operation.
When PIANO_ROLL sub-tab is opened from SECTION-TAB,
activeTab switches to midi_xxx, so activeTracks fell
back to main project tracks. Section trackIds don't
exist in main tracks -> dropdown empty, ghost layers
empty, instrument data wrong.
Fix: check subTabs for PIANO_ROLL type, resolve parent
section tab from parent_tab_id, return its tracks.
handleEditSectionInTab overwrote midiItems: [] when cloning
section.tracks, stripping all MIDI data from section context.
PianoRollTabEditor uses activeTracks which resolves section
tracks -- midiItems must be preserved for dropdown switcher,
ghost note extraction, and instrument settings to work.
Modal max-w-md -> max-w-4xl. Font 14px (text-sm).
Left column: soundfont list. Right column: instruments
of selected SF. All Instruments view when none selected.
Search filters both columns.
Background daemon (30s interval) tracks scanned files via
sf_scan_state.json (size+mtime). Only inspects new/changed SFs.
Catalog served from scanner cache, no full re-scan per request.
Upload/delete trigger immediate re-scan.
- Ctrl+drag on empty space: sweep range selection overlay
- Mouseup selects all items (MIDI, sections, clips) in sweep
- Selected items rendered with amber border highlight
- Ctrl+drag on section/MIDI item: duplicates the item
- Drag selected items: moves entire selected group together
- Ctrl+drag selected items: duplicates the entire group
handleRulerMouseDown's Ctrl+click branch previously only
cleared selection. Now it sets selectionMode='global',
records drag start, and enables isDraggingRulerRef so the
existing document-level mousemove handler updates the
selection range in real-time.
- Use filter(t => t.isArmed) instead of find() to route
MIDI input to ALL armed tracks simultaneously
- Use getTrackMidiChannel per track instead of raw
MIDI hardware channel (msg.data[0] & 0x0F)
- NoteOff, CC, PitchBend also routed to each armed
track's dedicated channel
- Previous code sent to channel 0 + first armed track only
6 call sites were missing channel parameter, causing FluidSynth
to use ch=0 for all tracks -> program_change on channel 0
overwrote instrument across tracks during playback.
Fixes: startTrackPlayback, section sub-track MIDI, playMidiPreviewNote,
piano roll Alt+scroll preview, note click preview, keybed preview.
All 4 rules confirmed working:
1. MIDI item inherits track instrument
2. Section item does NOT inherit
3. Track isolation preserved
4. Piano roll instrument change propagates back to track
- MIDI ghost notes: all non-selected items rendered at 25% opacity
- Dropdown at tab title: switch active edit target across all tracks
- Session Sync mode (default): viewport aligned to session bars
- Isolated mode toggle: bar 0, no ghost notes
- Ghost toggle: show/hide ghost layer (only in session mode)
- Auto-scroll to session position in session sync mode
- Bar labels show absolute session bar numbers
When MIDI note-on received and no PIANO_ROLL sub-tab is armed,
fallback to armed track in main session. Read its synth_engine and
instrumentProgram to route audio through correct instrument.
Route to track gainNode if available.
3dtours