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Complete v1→v2 migration cleanup: rename 29 files (sequence_v2→sequence, effect_v2→effect, 14 effect files, 8 shaders, compiler, docs), update all class names and references across 54 files. Archive v1 timeline. System now uses standard naming with all versioning removed. 30/34 tests passing.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Phase 4 complete: V1 system removed, v2 fully operational.
Architecture Changes:
- Explicit Node system with typed buffers (u8x4_norm, f32x4, depth24)
- DAG effect routing with multi-input/multi-output support
- Python compiler (seq_compiler_v2.py) with topological sort and ping-pong optimization
- Compile-time node aliasing for framebuffer reuse
V1 Removal (~4KB):
- Deleted effect.h/cc base classes (1.4KB)
- Deleted 19 v1 effect pairs: heptagon, particles, passthrough, gaussian_blur,
solarize, scene1, chroma_aberration, vignette, hybrid_3d, flash_cube,
theme_modulation, fade, flash, circle_mask, rotating_cube, sdf_test,
distort, moving_ellipse, particle_spray (2.7KB)
V2 Effects Ported:
- PassthroughEffectV2, PlaceholderEffectV2
- GaussianBlurEffectV2 (multi-pass with temp nodes)
- HeptagonEffectV2 (scene effect with dummy texture)
- ParticlesEffectV2 (compute + render, format fixed)
- RotatingCubeEffectV2 (3D with depth node)
- Hybrid3DEffectV2 (Renderer3D integration, dummy textures for noise/sky)
Compiler Features:
- DAG validation (cycle detection, connectivity checks)
- Topological sort for execution order
- Ping-pong optimization (aliased node detection)
- Surface-based and encoder-based RenderV2Timeline generation
- init_effect_nodes() automatic generation
Fixes Applied:
- WebGPU binding layout validation (standard v2 post-process layout)
- Surface format mismatch (ctx.format for blit, RGBA8Unorm for framebuffers)
- Depth attachment compatibility (removed forced depth from gpu_create_render_pass)
- Renderer3D texture initialization (created dummy 1x1 white textures)
- ParticlesEffectV2 format (changed from ctx.format to RGBA8Unorm)
- Encoder-based RenderV2Timeline (added missing preprocess() call)
Testing:
- 34/36 tests passing (2 v1-dependent tests disabled)
- demo64k runs successfully (no crashes)
- All seek positions work (--seek 12, --seek 15 validated)
Documentation:
- Updated PROJECT_CONTEXT.md (v2 status, reference to SEQUENCE_v2.md)
- Added completion entry to COMPLETED.md
TODO (Future):
- Port CNN effects to v2
- Implement flatten mode (--flatten code generation)
- Port remaining 10+ effects
- Update HTML timeline editor for v2 (deferred)
handoff(Claude): Sequence v2 migration complete, v1 removed, system operational.
Phase 5 (editor) deferred per user preference.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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- Generate InitializeV2Sequences() in timeline.cc
- Generate RenderV2Timeline() for frame rendering
- Add timeline_v2.h interface header
- Call InitializeV2Sequences() in main.cc
- V2 sequences instantiated at startup
- Ready for v1→v2 rendering switch
All 35 tests passing ✅
handoff(Claude): V2 integration ready, next: switch rendering to v2
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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>
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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>
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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>
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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>
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Split conditional compilation so --dump-wav works in normal builds.
Previously required cmake -DDEMO_HEADLESS=ON, now only needs !STRIP_ALL.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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- Update CLI parser to use --dump-wav (consistent with other options)
- Add error message and exit for unrecognized options
- Update documentation: HEADLESS_MODE.md, COMPLETED.md, FINAL_STRIP_REPORT.md
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Workspace structure now:
- workspaces/{main,test}/obj/ (3D models)
- workspaces/{main,test}/shaders/ (WGSL shaders)
- workspaces/{main,test}/music/ (audio samples)
Changes:
- Moved workspaces/*/assets/music/ → workspaces/*/music/
- Updated assets.txt paths (assets/music/ → music/)
- Moved test_demo.{seq,track} to tools/
- Moved assets/originals/ → tools/originals/
- Removed assets/common/ (legacy, duplicated in workspaces)
- Removed assets/final/ (legacy, superseded by workspaces)
- Updated hot-reload paths in main.cc
- Updated CMake references for test_demo and validation
- Updated gen_spectrograms.sh paths
handoff(Claude): Workspace reorganization complete
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Moved main.cc, stub_main.cc, and test_demo.cc from src/ to src/app/
for better organization. Updated cmake/DemoExecutables.cmake paths.
handoff(Claude): App files reorganized into src/app/ directory
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