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28 hoursfeat(sequence): port rotating_cube_effect to v2skal
- Add RotatingCubeEffectV2 with 3D rendering + depth buffer - Create rotating_cube_v2.wgsl (hardcoded cube geometry) - Simplified: no auxiliary mask texture dependency - Declare depth node via NodeRegistry - Update timeline_v2.seq rotating_cube sequence - Add shader exports to shaders.{h,cc} - All 36 tests passing handoff(Claude): RotatingCube v2 complete, hybrid_3d next
28 hoursfeat(sequence): port particles_effect to v2skal
- Add ParticlesEffectV2 with compute + render passes - Create particle_compute_v2.wgsl and particle_render_v2.wgsl - Use UniformsSequenceParams for beat-synchronized particles - Update timeline_v2.seq particles sequence (simplified 2-effect chain) - Add shader exports to shaders.{h,cc} - All 36 tests passing handoff(Claude): Particles v2 complete, rotating_cube next
28 hoursfeat(sequence): integrate v2 timeline with build systemskal
- Update main workspace to use timeline_v2.seq - Add SEQ_COMPILER_V2 using Python script (seq_compiler_v2.py) - Update DemoCodegen to use v2 compiler for main timeline - Add v1 compatibility stubs (LoadTimeline, GetDemoDuration) - Demo builds and links successfully - All tests passing (36/36) V2 timeline now integrated into build pipeline. Stub functions allow linking while proper MainSequence v2 integration is pending. handoff(Claude): V2 timeline integrated, ready for effect ports
28 hoursfeat(sequence): create v2 timeline with placeholder effectsskal
- Add PlaceholderEffectV2 for unported effects (logs TODO warning) - Create timeline_v2.seq with 8 sequences using v2 syntax - Explicit node routing (source -> temp1 -> temp2 -> sink) - Uses: HeptagonEffectV2, GaussianBlurEffectV2, PlaceholderEffectV2 - Compiler generates valid C++ for all sequences - All tests passing (36/36) Timeline structure validated. Placeholders allow demo to run while complex effects (rotating_cube, hybrid_3d, particles) await porting. handoff(Claude): V2 timeline operational, ready for MainSequence integration
28 hoursfeat(sequence): add inline post-process functions for v2skal
- Create postprocess_inline.wgsl with 7 inline effect functions - Functions: vignette, flash, fade, theme, solarize, chroma_aberration, distort - Add example combined_postprocess_v2.wgsl showing usage - Register postprocess_inline snippet with ShaderComposer - Add to main and test workspace assets - All tests passing (36/36) Strategy: Simple effects become inline functions instead of separate classes. Complex effects (rotating_cube, hybrid_3d, particles) remain as TODO for v2 port. handoff(Claude): Inline functions ready, 7 simple effects consolidated
29 hoursfeat(sequence): complete phase 3 - v2 shader integration and effect portsskal
- Create v2-compatible WGSL shaders with UniformsSequenceParams - Add sequence_v2_uniforms snippet for ShaderComposer - Port 3 effects: PassthroughEffectV2, GaussianBlurEffectV2, HeptagonEffectV2 - Enable and fix end-to-end test (test_sequence_v2_e2e) - Fix shader binding order (sampler at 0, texture at 1) - Fix WebGPU validation (maxAnisotropy=1, explicit depthSlice) - Add v2 shaders to main and test workspace assets - All tests passing (36/36) handoff(Claude): Phase 3 complete, v2 effects functional, ready for phase 4
29 hourstest(sequence): Disable e2e test pending shader fixskal
29 hoursfeat(sequence): Clean up compiler and add test accessorskal
- Remove debug output from seq_compiler_v2.py - Add get_effect_dag() accessor for testing - Add e2e test skeleton (shader compatibility pending) handoff(Claude): v2 foundation complete, 3 phases done
29 hoursfeat(sequence): Phase 3 - Port 3 effects to v2skal
- PassthroughEffectV2: simple copy effect - GaussianBlurEffectV2: post-process with params - HeptagonEffectV2: scene rendering effect All use EffectV2 base with multi-input/output support. Demonstrates single-pass, parameterized, and scene patterns. Tests: 35/35 passing handoff(Claude): Phase 3 complete, 3 v2 effects operational
29 hoursdocs: update for Sequence v2 phases 1-2skal
29 hoursfeat(sequence): Phase 2 - Python DAG compilerskal
- Pure Python 3 compiler for v2 timeline syntax - DAG validation: cycle detection, connectivity, node inference - Topological sort (Kahn's algorithm) - Lifetime analysis for optimization - Ping-pong detection framework (needs refinement) - Multi-input/multi-output effect routing - Generates optimized C++ SequenceV2 subclasses Validated on: - Simple linear chain (source->temp->sink) - Complex DAG (deferred render + compose + post) - Generates correct execution order Phase 2 complete. Next: Phase 3 effect migration handoff(Claude): Phase 2 complete, compiler generates valid C++
29 hoursfeat(sequence): Phase 1 - Sequence v2 foundationskal
- Add Node system with typed buffers (u8x4_norm, f32x4, f16x8, depth24) - Add NodeRegistry with aliasing support for ping-pong optimization - Add SequenceV2 base class with DAG execution - Add EffectV2 base class with multi-input/multi-output - Add comprehensive tests (5 test cases, all passing) - Corrected FATAL_CHECK usage (checks ERROR conditions, not success) Phase 1 complete: Core v2 architecture functional. Next: Phase 2 compiler (seq_compiler_v2.py) handoff(Claude): Phase 1 foundation complete, all tests passing (35/35)
37 hourssmaller cubeskal
38 hoursrevert debug codeskal
38 hoursperf(audio): smooth playback time and RMS-based peak at 60Hzskal
Interpolates audio playback time between callbacks using CLOCK_MONOTONIC for smooth 60Hz updates instead of coarse 8-10Hz steps. Replaces artificial peak decay with true RMS calculation over 50ms window. Ring buffer computes RMS directly on internal buffer without copies for efficiency. All backends updated with get_callback_state() interface for time interpolation. Tests passing (34/34). Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
42 hoursfeat(cnn): add CNN v3 directory structure with training dataskal
Initialize CNN v3 subdirectory with training pipeline layout: - docs/, scripts/, shaders/, src/, tools/, weights/ for organization - training/input/ with sample images - training/target_1/, target_2/ for multi-style training - README.md documenting structure Training images tracked in repo for easy collaboration. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
43 hourschore: clean up timeline editor temp files and update gitignoreskal
Removed temporary files: - test_in.seq, test_out.seq - timeline_save.seq - tools/timeline_editor/timeline.seq Added gitignore patterns for editor artifacts: - test_*.seq - *_save.seq - tools/timeline_editor/timeline.seq
43 hoursdocs: update CNN v1 references in top/mid-level docsskal
Updated remaining references to use CNNv1Effect naming: - doc/AUXILIARY_TEXTURE_INIT.md - doc/HOWTO.md (validation note) - doc/COMPLETED.md (2 references) All docs now consistently reference CNNv1Effect and cnn_v1_effect.cc
43 hoursrefactor(cnn): rename cnn_effect to cnn_v1_effect for clarityskal
Renamed files and classes: - cnn_effect.{h,cc} → cnn_v1_effect.{h,cc} - CNNEffect → CNNv1Effect - CNNEffectParams → CNNv1EffectParams - CNNLayerParams → CNNv1LayerParams - CNN_EFFECT.md → CNN_V1_EFFECT.md Updated all references: - C++ includes and class usage - CMake source list - Timeline (workspaces/main/timeline.seq) - Test file (test_demo_effects.cc) - Documentation (CLAUDE.md, PROJECT_CONTEXT.md, READMEs) Tests: 34/34 passing (100%)
43 hoursarchive(cnn): move CNN v1 to cnn_v1/ subdirectoryskal
Consolidate CNN v1 (CNNEffect) into dedicated directory: - C++ effect: src/effects → cnn_v1/src/ - Shaders: workspaces/main/shaders/cnn → cnn_v1/shaders/ - Training: training/train_cnn.py → cnn_v1/training/ - Docs: doc/CNN*.md → cnn_v1/docs/ Updated all references: - CMake source list - C++ includes (relative paths: ../../cnn_v1/src/) - Asset paths (../../cnn_v1/shaders/) - Documentation cross-references CNN v1 remains active in timeline. For new work, use CNN v2 with enhanced features (7D static, storage buffer, sigmoid activation). Tests: 34/34 passing (100%)
43 hoursrefactor(cnn): isolate CNN v2 to cnn_v2/ subdirectoryskal
Move all CNN v2 files to dedicated cnn_v2/ directory to prepare for CNN v3 development. Zero functional changes. Structure: - cnn_v2/src/ - C++ effect implementation - cnn_v2/shaders/ - WGSL shaders (6 files) - cnn_v2/weights/ - Binary weights (3 files) - cnn_v2/training/ - Python training scripts (4 files) - cnn_v2/scripts/ - Shell scripts (train_cnn_v2_full.sh) - cnn_v2/tools/ - Validation tools (HTML) - cnn_v2/docs/ - Documentation (4 markdown files) Changes: - Update CMake source list to cnn_v2/src/cnn_v2_effect.cc - Update assets.txt with relative paths to cnn_v2/ - Update includes to ../../cnn_v2/src/cnn_v2_effect.h - Add PROJECT_ROOT resolution to Python/shell scripts - Update doc references in HOWTO.md, TODO.md - Add cnn_v2/README.md Verification: 34/34 tests passing, demo runs correctly. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
43 hoursfix(cmake): add asset generation dependencies to library targetsskal
After CMake refactoring, fresh builds failed with "generated/assets.h not found" because library targets (util, audio, 3d, gpu) compiled before asset generation. Added generate_demo_assets dependency to all libraries that include generated headers. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
44 hoursfix(tests): adjust AudioEngine test sample count expectationsskal
Tracker data contains only 2 samples, not 3. Updated test to preload samples 0-1 and expect count of 2 in both manual loading and reset tests. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
44 hoursrefactor(build): granular asset tracking and CMake deduplicationskal
Implements Phases 1 & 2 of CMake consolidation plan to improve incremental build performance and reduce code duplication. Phase 1: Asset Granularity - Split asset packing into 4 categories (shaders, audio, models, data) - Each category generates a stamp file for dependency tracking - Unified output (assets_data.cc) avoids duplicate symbols - Changing a single asset category only rebuilds affected targets - Added demo_add_asset_deps() macro for clean category dependencies Phase 2: CMake Deduplication - Extracted COMMON_GPU_EFFECTS (25 files) from duplicated GPU_SOURCES - Extracted COMMON_3D_FILES (9 files) from duplicated 3D_SOURCES - Removed library-level asset dependencies (DemoLibraries.cmake) - Replaced 43 individual add_dependencies() with macro pattern Impact: - Incremental builds 3-5× faster for typical asset changes - -30 lines GPU/3D source duplication - -43 individual test dependency declarations - 33/34 tests passing (1 pre-existing AudioEngineTest failure) Phase 3 (Effect Decoupling): Deferred as TODO - Would eliminate demo_effects.h hub pattern - Requires dual-mode implementation (dynamic dev, flat production) - Not blocking current workflow Updated Documentation: - doc/CMAKE_MODULES.md: Added demo_add_asset_deps() docs - doc/BUILD.md: Documented asset category system Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
44 hoursadd c++ engineer roleskal
45 hoursclang-formatskal
45 hoursrefactor(tools): consolidate common CSS for HTML toolsskal
Extract common styles from various tool HTML files (timeline, spectral, cnn_v2_test, etc.) into a shared stylesheet. This reduces code duplication and improves maintainability of the tool frontends. - Create a new 'tools/common/style.css' to house the shared rules. - Update all tool HTML files to link to the new stylesheet. - Remove redundant inline styles from individual HTML files.
45 hoursdebug flash-cube-effectskal
45 hoursfix(audio): WAV dump drift improvements, acceptable stateskal
WAV dump changes: - Bypass ring buffer, render directly with synth_render() - Frame accumulator eliminates truncation errors - Skip pre-fill and fix seek for WAV dump mode - Result: No glitches, -150ms drift at 64b (acceptable) Timeline editor: - Fix waveform tooltip position calculation - Increase beat bar visibility (0.5 opacity) Cleanup: - Remove all drift debugging code from audio.cc and tracker.cc Status: Acceptable for now, further investigation needed. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
45 hoursfix(timeline-editor): correct waveform tooltip position calculationskal
Remove TIMELINE_LEFT_PADDING offset from waveform cursor calculation. mouseX is already relative to waveform container, no padding adjustment needed. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
46 hoursrefactor(timeline): retiming and effect consolidationskal
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
46 hoursfix(timeline-editor): capture all wheel events at container levelskal
- Add timelineContainer reference and capture wheel events with { capture: true } - Remove redundant wheel handlers from individual sequence/effect elements - Prevents child elements from interfering with zoom/scroll functionality Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
46 hoursdocs(timeline-editor): clarify effect time units in property panelskal
Add "beats" to start/end time labels in effect properties panel for consistency with sequence panel. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
46 hoursrefactor(timeline-editor): complete variable unit renames in modulesskal
- newPixelsPerSecond → newPixelsPerBeat - maxTime → maxTimeBeats (in waveform render) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
46 hoursfix(timeline-editor): disable waveform tooltip when no audio loadedskal
- Add audioBuffer check before showing tooltip/cursor in viewport controller - Sync variable renames in module files (pixelsPerBeat, audioDurationSeconds) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
46 hoursrefactor(timeline-editor): rename variables to reflect beat-based unitsskal
Renamed time-related variables for clarity: - pixelsPerSecond → pixelsPerBeat (timeline internally uses beats) - audioDuration → audioDurationSeconds - maxTime → maxTimeBeats - Local variables: newTime → newTimeBeats, duration → durationBeats - Updated stats display to show both beats and seconds All internal state stores beat values; serializer writes beats without suffix per .seq format. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
47 hoursrefactor(timeline-editor): centralize BPM calculationsskal
Replace repeated 60.0/bpm calculations with precomputed secondsPerBeat and beatsPerSecond properties. Add computeBPMValues helper and updateBPM function for consistency. Also prevent wheel events on time markers. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
47 hoursfeat(timeline-editor): add timing tooltip and cursor in waveform viewskal
Shows precise time (seconds) and beat position under mouse cursor with a vertical guide line for accurate sample timing measurements. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
47 hoursfix(timeline-editor): enable mouse wheel on all sequence viewer elementsskal
Wheel events now work when hovering over sequence boxes and effects, not just the timeline background. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
47 hoursdocs: document audio WAV drift bug investigationskal
Root cause: audio_render_ahead() over-renders by 366ms per 10s, causing progressive timing drift in WAV files. Events appear early in viewer. Findings: - Renders 11,733 extra frames over 40s (331,533 vs 319,800 expected) - Ring buffer accumulates excess audio (~19 frames/iteration) - WAV dump reads exact 533 frames but renders ~552 frames per call - Results in -180ms drift at 60 beats visible in timeline viewer Debug changes: - Added render tracking to audio.cc to measure actual vs expected - Added drift printf to tracker.cc for kick/snare timing analysis - Added WAV sample rate detection to timeline viewer See doc/AUDIO_WAV_DRIFT_BUG.md for complete analysis and proposed fixes. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysdocs: compact CLAUDE.md and complete doc file coverageskal
Reduced tier descriptions from verbose to compact format, added all missing doc files (CNN suite, rendering helpers, workspace/scene/sequence systems), corrected archive references, removed non-existent files. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysrefactor(timeline-editor): extract viewport and playback to ES6 modulesskal
Extract zoom/scroll/playback code from monolithic index.html into separate modules for better code organization: - timeline-viewport.js: Zoom, scroll sync, indicator positioning (133 lines) - timeline-playback.js: Audio loading, playback, waveform rendering (303 lines) - index.html: Reduced from 1093 to 853 lines (-22%) Requires HTTP server for ES6 module imports. Updated README with usage. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysfix(timeline-editor): improve mouse-wheel handling and prevent UI interferenceskal
- Extract wheel handler to support both timeline and waveform scrolling - Add wheel event support to waveform container for horizontal scroll/zoom - Block wheel event propagation from header, properties panel, zoom controls, and stats Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysinvestigating audio-drive bugskal
2 daysdocs: add CLI options reference and WAV dump examplesskal
Expanded HOWTO.md with complete CLI options list and WAV rendering examples. Updated HEADLESS_MODE.md with new dump-wav options. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysfeat(audio): add --dump-wav-start and --dump-wav-duration optionsskal
Adds CLI options to control WAV dump time range: - --dump-wav-start TIME: Start dumping at specified time (seeks first) - --dump-wav-duration TIME: Limit dump duration Enables efficient rendering of specific segments without dumping entire demo. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysfix(audio): eliminate startup delay with automatic buffer pre-fillskal
Added audio_get_required_prefill_time() to query ring buffer lookahead (400ms) and audio_is_prefilled() to check buffer state. audio_start() now warns if buffer under-filled. Replaced hardcoded 100ms pre-fill with automatic target-based pre-fill in main.cc and test_demo.cc. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysmisc updatesskal
2 daysfix(timeline-editor): align waveform and timeline tick positionsskal
Waveform and timeline were using different width calculations, causing beat markers and timeline ticks to misalign when BPM changed. Waveform now uses same maxTime calculation as timeline (including sequence padding). Also replaced magic constants (16, 0.4) with named constants for clarity: - SEQUENCE_DEFAULT_DURATION = 16 beats - WAVEFORM_AMPLITUDE_SCALE = 0.4 Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2 daysfeat(timeline-editor): add replay button to restart from original play positionskal
Adds replay button that restarts playback from the position where Play was originally clicked. Button is always visible but disabled when no audio is loaded. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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