2 Commits

Author	SHA1	Message	Date
3dtours	72186168d2	fix: correct RIFF chunk sizes in SF3 converter ... - _find_chunk starts at offset 12 (after RIFF header) - Add _find_list_of_type to locate sdta LIST - Update sdta LIST size after smpl data replacement - Fix 'Invalid chunk header' error in SpessaSynth - SGM_v2.01 too large (529MB WAV) falls back to SF2	2026-07-26 18:29:05 +07:00
3dtours	e51b7fd355	feat: SF3 conversion + SpessaSynth client player ... Server: - soundfont_converter.py: Python SF2->SF3 via ffmpeg Ogg compression - batch_convert_all runs on startup (daemon thread) - GET /soundfonts/download/{sf_id} serves SF3 with SF2 fallback - Dockerfile: add fluidsynth, vorbis-tools Client: - soundfontStorage.js: IndexedDB cache for SF3 buffers - soundfontPlayer.js: dual-mode (SpessaSynth + oscillator fallback) - app.jsx: init SpessaSynth, loadSF on instrument select - index.html: SpessaSynth CDN import + storage script tag Compression: DSK 11M->1.1M (90%), SGM 529M->18M (97%)	2026-07-26 17:51:37 +07:00