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sizzletracker-android/samples/demo.sng
Reactorcoremeltdown 3cef1b4e85 Initial commit: Sizzletracker Android music tracker
A retro, grid-based music tracker for Android (Kotlin + Jetpack Compose,
single Activity) with four equally-capable input methods (touch, keyboard,
gamepad, MIDI) and four tabs: tracker, mixer, toolbox, settings.

Highlights:
- Tracker: Canvas-drawn 4-track pattern grid over an 8-lane arrangement roll,
  with a glyph cache and draw-phase state reads so the playhead and edits
  redraw without per-frame recomposition.
- Audio: sample-accurate sequencer feeding a shared AudioEngine, driven by
  either a Kotlin AudioTrack loop or native Oboe/AAudio via JNI (16 KB-aligned
  native libs). media3 MediaSession for lock-screen/headset transport.
- Toolbox: 16 instrument/effect slots with a 2-octave audition keyboard;
  single-tap select, double-tap edit, long-press clear.
- Note entry: long-press cell popups (piano keyboard / value steppers) plus
  keyboard/gamepad stepping that resumes from the last note/channel entered.
  Velocity capped at 0x7F, channel at 16.
- Selection/clipboard (cut/copy/paste/delete) and .sng import/export
  compatible with the reference desktop tool.
- A `profile` build type (non-debuggable, debug-signed) for realistic
  on-device performance testing.
- Developer handover documentation under docs/.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-13 22:15:13 +02:00

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SIZZLETRACKER-SNG 1
NAME=demo
TEMPO=120.0
SIG=FOUR_FOUR
SCALE=MINOR
ROOT=9
ACTIVE=0
[PATTERN id=0 name=LEAD len=16]
0,0,57,128,1
0,4,60,128,1
0,8,64,110,1
0,12,60,120,1
1,0,45,90,2
1,8,45,90,2
[ARRANGEMENT len=16 loop=0]
0,0,0
0,1,0
0,2,0
0,3,0
[REGION A en=0 s=0 e=0 r=2]
[REGION B en=0 s=0 e=0 r=2]
[MIXER]
0,0,-1,-1,-1,-1,1,0.8,0,0
1,-1,-1,-1,-1,-1,2,0.8,0,0
2,-1,-1,-1,-1,-1,3,0.8,0,0
3,-1,-1,-1,-1,-1,4,0.8,0,0
[TOOLBOX]
0=NES_SYNTH;Lead;wave=Pulse25,attack=0.01,decay=0.15,sustain=0.6,release=0.1