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fix: instrument SF3/Sonatina không phát âm thanh - chuyển SF3->SF2, bỏ convert SF2->SF3, sửa converter

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3dtours
2026-08-02 21:44:49 +07:00
parent 9f762c2a78
commit 73025fc387
5 changed files with 387 additions and 61 deletions
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app/api/v1/plugins.py
+23 -6
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@@ -142,12 +142,29 @@ async def download_soundfont_asset(sf_id: str):
for base_dir in [UPLOAD_SF_DIR, SYSTEM_SF_DIR]:
if not os.path.isdir(base_dir):
continue
for ext in [".sf2", ".sf3"]:
for fname in os.listdir(base_dir):
fbase, fext = os.path.splitext(fname)
if fext.lower() == ext and fbase.lower() == clean_id.lower():
full = os.path.join(base_dir, fname)
return FileResponse(full, media_type="application/octet-stream", filename=f"soundfont{ext}")
# Prefer SF2: the client FluidSynth WASM cannot decode SF3 (Ogg Vorbis)
# samples, so any SF3 would play silence in the browser.
for fname in os.listdir(base_dir):
fbase, fext = os.path.splitext(fname)
if fext.lower() == ".sf2" and fbase.lower() == clean_id.lower():
full = os.path.join(base_dir, fname)
return FileResponse(full, media_type="application/octet-stream", filename="soundfont.sf2")
# Only an SF3 exists -> decompress it to a playable SF2 on demand (cached)
for fname in os.listdir(base_dir):
fbase, fext = os.path.splitext(fname)
if fext.lower() == ".sf3" and fbase.lower() == clean_id.lower():
full = os.path.join(base_dir, fname)
try:
from app.core.soundfont_converter import SoundFontConverter
sf2_path = os.path.join(UPLOAD_SF_DIR, clean_id + ".sf2")
if os.path.exists(sf2_path) and os.path.getmtime(sf2_path) >= os.path.getmtime(full):
return FileResponse(sf2_path, media_type="application/octet-stream", filename="soundfont.sf2")
result = SoundFontConverter().sf3_to_sf2(full, sf2_path)
if result != full and os.path.exists(result):
return FileResponse(result, media_type="application/octet-stream", filename="soundfont.sf2")
except Exception as e:
print(f"[soundfont-download] SF3->SF2 conversion failed for {full}: {e}")
return FileResponse(full, media_type="application/octet-stream", filename="soundfont.sf3")
raise HTTPException(status_code=404, detail="SoundFont asset not found")