build: bundle native_host bridges + fluidsynth runtime vao installer (build_windows.ps1 [4b/6], SF_RESOURCE_DIR fallback, tauri resources native_host)

.gitignore

@@ -33,6 +33,8 @@ node_modules
 src-tauri/target/
 src-tauri/binaries/
 src-tauri/resources/daw_engine/
+src-tauri/resources/native_host/*
+!src-tauri/resources/native_host/.gitkeep
 src-tauri/vc_redist.x64.exe
 app/storage/plugin_dirs.json
 app/storage/sf_scan_state.json.bak-root

app/core/native_audio_service.py

@@ -23,8 +23,12 @@ import numpy as np
 
 from app.config import settings
 
-_NATIVE_DIR = os.getenv("SONICFORGE_NATIVE_DIR") or os.path.join(
-    settings.BASE_DIR, "native_host", "build", "Release")
+_RES_DIR = os.getenv("SF_RESOURCE_DIR")
+_NATIVE_DIR = (
+    os.getenv("SONICFORGE_NATIVE_DIR")
+    or (os.path.join(_RES_DIR, "native_host") if _RES_DIR else None)
+    or os.path.join(settings.BASE_DIR, "native_host", "build", "Release")
+)
 
 _ERR = None
 _LOCK = threading.Lock()

app/core/soundfont_converter.py

@@ -11,7 +11,11 @@ def _ensure_fluidsynth_runtime() -> None:
     if os.name != "nt":
         return
     root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-    candidates = [
+    candidates = []
+    res_dir = os.getenv("SF_RESOURCE_DIR")
+    if res_dir:
+        candidates.append(os.path.join(res_dir, "native_host", "fluidsynth_runtime"))
+    candidates += [
         os.path.join(root, "native_host", "build", "Release", "fluidsynth_runtime"),
         os.path.join(root, "native_host", "fluidsynth_runtime"),
     ]

build_windows.ps1

@@ -64,6 +64,34 @@ New-Item -ItemType Directory -Force "src-tauri\resources\daw_engine" | Out-Null
 Copy-Item "dist\daw_engine\*" "src-tauri\resources\daw_engine\" -Recurse -Force
 Write-Host "Copied onedir engine -> src-tauri\resources\daw_engine"
 
+Write-Host "== [4b/6] Native host bridges (CMake/MSVC) + FluidSynth runtime =="
+# T8-T16: vst2/vst3/sf_host_bridge DLL + fluidsynth_runtime (22 DLL) phai nam
+# trong resources/native_host/ de exe tim thay luc runtime (Rust: resource_dir/
+# native_host; Python: SF_RESOURCE_DIR/native_host). Thieu -> native audio /
+# VST GUI khong chay tren may cai sach.
+if (-not (Test-Path "native_host\build\CMakeCache.txt")) {
+  if (-not $env:VST3_SDK_ROOT) {
+    Write-Host "ERROR: can VST3_SDK_ROOT env (duong dan VST3 SDK) khi chua co native_host\build" -ForegroundColor Red
+    exit 1
+  }
+  & cmake -S native_host -B native_host\build -A x64 -DVST3_SDK_ROOT="$env:VST3_SDK_ROOT"
+  if ($LASTEXITCODE -ne 0) { Write-Host "ERROR: cmake configure native_host that bai" -ForegroundColor Red; exit 1 }
+}
+& cmake --build native_host\build --config Release
+if ($LASTEXITCODE -ne 0) { Write-Host "ERROR: cmake build native_host that bai" -ForegroundColor Red; exit 1 }
+
+if (-not (Test-Path "native_host\fluidsynth_runtime\libfluidsynth-3.dll")) {
+  python native_host\scripts\dl_fluidsynth_runtime.py
+  if ($LASTEXITCODE -ne 0) { Write-Host "ERROR: dl_fluidsynth_runtime that bai" -ForegroundColor Red; exit 1 }
+}
+
+if (Test-Path "src-tauri\resources\native_host") {
+  Remove-Item -Recurse -Force "src-tauri\resources\native_host"
+}
+New-Item -ItemType Directory -Force "src-tauri\resources\native_host" | Out-Null
+Copy-Item "native_host\build\Release\vst2_host_bridge.dll","native_host\build\Release\vst3_host_bridge.dll","native_host\build\Release\sf_host_bridge.dll" "src-tauri\resources\native_host\"
+Copy-Item "native_host\fluidsynth_runtime" "src-tauri\resources\native_host\fluidsynth_runtime" -Recurse -Force
+
 Write-Host "== [5/6] VC++ Redistributable cho hooks.nsh =="
 if (-not (Test-Path src-tauri\vc_redist.x64.exe)) {
   Invoke-WebRequest -Uri "https://aka.ms/vs/17/release/vc_redist.x64.exe" -OutFile src-tauri\vc_redist.x64.exe

src-tauri/src/lib.rs

@@ -138,6 +138,7 @@ pub fn run() {
                         .shell()
                         .command(&engine_exe)
                         .env("SF_PARENT_PID", std::process::id().to_string())
+                        .env("SF_RESOURCE_DIR", res_dir.to_string_lossy().to_string())
                         .spawn()
                     {
                         Ok((_rx, child)) => {

src-tauri/src/vst_gui.rs

@@ -93,6 +93,7 @@ mod native {
         if let Ok(res) = app.path().resource_dir() {
             candidates.push(res.join(name));
             candidates.push(res.join("native").join(name));
+            candidates.push(res.join("native_host").join(name));
         }
         if let Ok(exe) = std::env::current_exe() {
             if let Some(dir) = exe.parent() {

src-tauri/tauri.conf.json

@@ -33,7 +33,8 @@
       "icons/favicon.ico"
     ],
     "resources": {
-      "resources/daw_engine": "daw_engine/"
+      "resources/daw_engine": "daw_engine/",
+      "resources/native_host": "native_host/"
     },
     "externalBin": [],
     "windows": {