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4 changed files with 0 additions and 167 deletions
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@ -91,25 +91,6 @@ search; `FaustHome` then supplies `share/faust` if the prefix is not the file's
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grandparent. The loader prepends `lib` and `bin` to `PATH` using the platform
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path separator.
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## Linux Native Toolchain
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Built and run on Debian 13 (2026-11-03). Faust `aa30fd7` (2.90.20), LLVM 19
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(`LLVM_CONFIG=/usr/lib/llvm-19/bin/llvm-config`, `INCLUDE_DYNAMIC=ON`,
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`backends/most.cmake`), installed to a prefix; `make -j4`. The first link
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failed with `cannot find -lPolly -lPollyISL -lzstd`; the install prefix that
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resulted has `lib/libfaust.so` but `share/faust` holds only the architecture
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files, not `stdfaust.lib` and the other `.lib` files (they live in the separate
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faustlibraries repo). Compiling any patch that imports `stdfaust.lib` then
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fails with `unable to open file stdfaust.lib`. Point `AQUASYNTH_FAUST_HOME` at a
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home whose `lib/` has `libfaust.so` and whose `share/faust` has both.
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`tools/FaustRender` renders one `.dsp` with an `rpm` control to WAVs plus
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`manifest.json` (hashes, peak, rms, non-finite flag). It measures; it does not
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listen. `docs/renders/thruster-v5-manifest.json` is its output for
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`patches/thruster/thruster.dsp` at PR #3 head `c6561da`, 4 s per case. The render is
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deterministic (two reruns byte-identical); the 2026-10-31 sweep file is a 6 s
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render, which is why its hash differs from a 4 s sweep.
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## Invariants
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- AquaSynth remains the authority for what a patch means.
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@ -1,46 +0,0 @@
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{
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"patch": "thruster",
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"dspSha256": "8afc045eab94f396e21d96a262c5d71910103acd51da5913d3eb3036b48a5809",
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"sampleRate": 48000,
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"blockFrames": 512,
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"seconds": 4,
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"rpmControl": "rpm",
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"os": "Debian GNU/Linux 13 (trixie)",
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"faustHome": "/var/lib/mind-aqua-self/faust-home-overlay-20261031",
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"faustLibrary": "/var/lib/mind-aqua-self/faust-home-overlay-20261031/lib/libfaust.so",
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"cases": [
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{
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"label": "low-rpm600",
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"file": "thruster-low-rpm600.wav",
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"rpmStart": 600,
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"rpmEnd": 600,
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"frames": 192000,
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"peak": 0.18832043,
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"rms": 0.07348131804614891,
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"nonFinite": false,
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"sha256": "4aeaa1f4d9aa5d63025dd8b3d45b25fc6b030a366ba05237c0021b508308e0ba"
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},
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{
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"label": "high-rpm4800",
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"file": "thruster-high-rpm4800.wav",
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"rpmStart": 4800,
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"rpmEnd": 4800,
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"frames": 192000,
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"peak": 0.3635283,
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"rms": 0.14323418081979195,
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"nonFinite": false,
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"sha256": "390874aa1d5c4d50f251fa0735b82f859bba43ffee4236fd24d5b06a4733ef7d"
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},
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{
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"label": "sweep-600-4800",
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"file": "thruster-sweep-600-4800.wav",
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"rpmStart": 600,
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"rpmEnd": 4800,
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"frames": 192000,
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"peak": 0.34473976,
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"rms": 0.11363349353245127,
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"nonFinite": false,
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"sha256": "ad8d1508aa2b37b5038a6acfcfb21fc46ae04f0180adcd6ea60edc7e918e4068"
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}
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]
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}
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@ -1,12 +0,0 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net10.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\src\AquaSynth.Faust\AquaSynth.Faust.csproj" />
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</ItemGroup>
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</Project>
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@ -1,90 +0,0 @@
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Security.Cryptography;
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using System.Text.Json;
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using AquaSynth.Faust;
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// Offline probe: render one Faust source with a swept `rpm` control to mono 16-bit WAVs through the
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// native libfaust path, and write manifest.json (hashes, levels, toolchain). It measures peak, rms and
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// NaN only; it cannot say how anything sounds.
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// usage: FaustRender <patch.dsp> <outDir> <seconds> <label>=<rpmA>[:<rpmB>] ...
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const int Rate = 48000, Frames = 512;
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if (args.Length < 4) { Console.Error.WriteLine("usage: FaustRender <patch.dsp> <outDir> <seconds> <label>=<rpmA>[:<rpmB>] ..."); return 2; }
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var dspPath = Path.GetFullPath(args[0]);
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var outDir = Path.GetFullPath(args[1]);
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var seconds = double.Parse(args[2]);
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var source = File.ReadAllText(dspPath);
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Directory.CreateDirectory(outDir);
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var home = AquaSynthFaustToolchain.Find();
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Console.WriteLine($"faust home: {home ?? "(not found)"}");
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using var compiler = new AquaSynthPatchCompiler(new AquaSynthNativeOptions(SampleRate: Rate));
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var name = Path.GetFileNameWithoutExtension(dspPath);
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if (!compiler.TryCompileSource(new AquaSynthCompileIdentity(name, name, ""), source, (float)seconds, out var patch0, out var cerr))
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{
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Console.Error.WriteLine("COMPILE FAILED: " + cerr);
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return 1;
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}
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using var patch = patch0!;
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var rpmPath = patch.ControlPaths.First(p => p.EndsWith("rpm"));
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var cases = new List<object>();
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foreach (var spec in args.Skip(3))
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{
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var eq = spec.IndexOf('=');
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var label = spec[..eq];
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var range = spec[(eq + 1)..].Split(':');
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var a = float.Parse(range[0]);
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var b = range.Length > 1 ? float.Parse(range[1]) : a;
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using var stream = patch.CreateStreamingPatch();
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var buf = GC.AllocateArray<float>(Frames, pinned: true);
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var ptrs = GC.AllocateArray<IntPtr>(1, pinned: true);
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unsafe { ptrs[0] = (IntPtr)Unsafe.AsPointer(ref buf[0]); }
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var outP = Marshal.UnsafeAddrOfPinnedArrayElement(ptrs, 0);
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var blocks = (int)(seconds * Rate) / Frames;
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var ctl = new Dictionary<string, float>();
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var pcm = new short[blocks * Frames];
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double sum = 0; float peak = 0; var nan = false;
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for (var blk = 0; blk < blocks; blk++)
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{
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ctl[rpmPath] = a + (b - a) * blk / Math.Max(1, blocks - 1);
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stream.ProcessBlock(Frames, IntPtr.Zero, outP, ctl);
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for (var i = 0; i < Frames; i++)
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{
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var v = buf[i];
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nan |= float.IsNaN(v) || float.IsInfinity(v);
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peak = Math.Max(peak, Math.Abs(v));
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sum += (double)v * v;
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pcm[blk * Frames + i] = (short)(Math.Clamp(v, -1f, 1f) * 32767);
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}
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}
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var wav = Path.Combine(outDir, $"{name}-{label}.wav");
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using (var w = new BinaryWriter(File.Create(wav)))
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{
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var db = pcm.Length * 2;
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w.Write("RIFF"u8); w.Write(36 + db); w.Write("WAVEfmt "u8); w.Write(16); w.Write((short)1); w.Write((short)1);
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w.Write(Rate); w.Write(Rate * 2); w.Write((short)2); w.Write((short)16); w.Write("data"u8); w.Write(db);
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foreach (var s in pcm) w.Write(s);
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}
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cases.Add(new
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{
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label, file = Path.GetFileName(wav), rpmStart = a, rpmEnd = b, frames = pcm.Length,
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peak, rms = Math.Sqrt(sum / pcm.Length), nonFinite = nan,
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sha256 = Convert.ToHexString(SHA256.HashData(File.ReadAllBytes(wav))).ToLowerInvariant()
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});
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Console.WriteLine($"{wav} rpm={a}->{b} peak={peak:F3} rms={Math.Sqrt(sum / pcm.Length):F4} nonFinite={nan}");
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}
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var manifest = new
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{
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patch = name, dspSha256 = Convert.ToHexString(SHA256.HashData(File.ReadAllBytes(dspPath))).ToLowerInvariant(),
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sampleRate = Rate, blockFrames = Frames, seconds, rpmControl = rpmPath,
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os = RuntimeInformation.OSDescription, faustHome = home,
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faustLibrary = home is null ? null : AquaSynthFaustToolchain.FindLibrary(home),
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cases
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};
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File.WriteAllText(Path.Combine(outDir, "manifest.json"), JsonSerializer.Serialize(manifest, new JsonSerializerOptions { WriteIndented = true }));
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return 0;
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