feat: VST FX rack per-track + masterbus render via native_bridge
This commit is contained in:
@@ -475,7 +475,11 @@ void InstrumentEngineManager::renderAll(float* outputL, float* outputR, uint32_t
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float* spR = alignF(scratchR_, numSamples);
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std::memset(spL, 0, numSamples * sizeof(float));
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std::memset(spR, 0, numSamples * sizeof(float));
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#ifdef _WIN32
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DWORD sehCode = 0;
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#else
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uint32_t sehCode = 0;
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#endif
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if (!SafeProcessChannel(inst.get(), spL, spR, numSamples, &sehCode)) {
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// G3.3: plugin fault — mute this channel only, keep the bridge up.
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if (!crashedCh_[ch]) {
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@@ -0,0 +1,928 @@
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// native_bridge/src/RenderFxJob.cpp
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// Offline audio-FX render mode (Phase 0+1 of PLAN_MASTERBUS_FX_RACK_VST.md):
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// `daw_vst_bridge --render-fx <job.json> --in <input.wav> --out <output.wav>`
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// processes an existing WAV through a VST3 effect chain (audio-in/audio-out,
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// no MIDI) plus builtin slots (gain/normalize). Also `--scan <dir>` which
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// classifies VST3 modules as instrument/effect.
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//
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// Same JSON/b64/WAV helpers as RenderJob.cpp (sheredom/json.h vendored with
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// the VST3 SDK). The VST3 host pattern is the Vst3Instrument.cpp one minus
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// MIDI/GUI — component + controller, audio buses, processData with input
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// buffers copied directly (setChannelBuffers is unusable: prepare() owns them).
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#include "RenderFxJob.h"
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#include "vst3sdk/public.sdk/source/vst/moduleinfo/json.h"
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#ifdef HAVE_VST3SDK
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#include "public.sdk/source/vst/hosting/module.h"
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#include "public.sdk/source/vst/hosting/hostclasses.h"
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#include "public.sdk/source/vst/hosting/processdata.h"
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#include "public.sdk/source/vst/vstpresetfile.h"
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#include "public.sdk/source/common/memorystream.h"
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#include "pluginterfaces/vst/ivstaudioprocessor.h"
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#include "pluginterfaces/vst/ivstcomponent.h"
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#include "pluginterfaces/vst/ivsteditcontroller.h"
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#include "pluginterfaces/vst/ivstprocesscontext.h"
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#include "pluginterfaces/vst/ivstmessage.h"
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#endif
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#ifdef _WIN32
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#include <windows.h>
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#endif
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#include <algorithm>
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#include <cctype>
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#include <cmath>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <filesystem>
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#include <fstream>
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#include <iostream>
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#include <iterator>
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#include <memory>
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#include <string>
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#include <vector>
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namespace {
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// --- sheredom/json.h helpers (same as RenderJob.cpp) ------------------------
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const json_object_element_s* member(const json_object_s* o, const char* key) {
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for (const json_object_element_s* e = o ? o->start : nullptr; e; e = e->next)
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if (e->name && e->name->string && std::strcmp(e->name->string, key) == 0)
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return e;
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return nullptr;
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}
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const json_value_s* memberValue(const json_object_s* o, const char* key) {
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const json_object_element_s* m = member(o, key);
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return m ? m->value : nullptr;
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}
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std::string memberString(const json_object_s* o, const char* key, const std::string& def) {
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const json_value_s* v = memberValue(o, key);
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if (v && v->type == json_type_string) {
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const auto* s = static_cast<const json_string_s*>(v->payload);
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return std::string(s->string, s->string_size);
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}
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return def;
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}
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bool memberNumber(const json_object_s* o, const char* key, double& out) {
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const json_value_s* v = memberValue(o, key);
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if (v && v->type == json_type_number) {
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out = std::atof(static_cast<const json_number_s*>(v->payload)->number);
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return true;
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}
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return false;
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}
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int64_t memberInt(const json_object_s* o, const char* key, int64_t def) {
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double d;
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return memberNumber(o, key, d) ? (int64_t)d : def;
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}
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bool memberBool(const json_object_s* o, const char* key, bool def) {
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const json_value_s* v = memberValue(o, key);
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if (v && v->type == json_type_true) return true;
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if (v && v->type == json_type_false) return false;
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return def;
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}
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// --- WAV writer (stdlib only, 16-bit PCM stereo, little-endian) --------------
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void writeU16(std::ofstream& f, uint16_t v) {
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char b[2] = { (char)(v & 0xFF), (char)((v >> 8) & 0xFF) };
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f.write(b, 2);
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}
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void writeU32(std::ofstream& f, uint32_t v) {
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char b[4] = { (char)(v & 0xFF), (char)((v >> 8) & 0xFF),
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(char)((v >> 16) & 0xFF), (char)((v >> 24) & 0xFF) };
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f.write(b, 4);
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}
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void writeWavHeader(std::ofstream& f, uint32_t sampleRate) {
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f.write("RIFF", 4);
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writeU32(f, 36);
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f.write("WAVE", 4);
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f.write("fmt ", 4);
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writeU32(f, 16);
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writeU16(f, 1);
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writeU16(f, 2);
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writeU32(f, sampleRate);
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writeU32(f, sampleRate * 4);
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writeU16(f, 4);
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writeU16(f, 16);
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f.write("data", 4);
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writeU32(f, 0);
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}
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void finishWav(std::ofstream& f, uint64_t dataBytes) {
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f.seekp(4);
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writeU32(f, (uint32_t)(36 + dataBytes));
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f.seekp(40);
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writeU32(f, (uint32_t)dataBytes);
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f.flush();
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}
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void writeFrames(std::ofstream& f, const float* L, const float* R, uint32_t n) {
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for (uint32_t i = 0; i < n; ++i) {
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auto cl = [](float v) -> int {
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if (v > 1.0f) v = 1.0f;
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else if (v < -1.0f) v = -1.0f;
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return (int)(v * 32767.0f);
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};
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writeU16(f, (uint16_t)cl(L[i]));
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writeU16(f, (uint16_t)cl(R[i]));
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}
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}
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// --- WAV reader (stdlib only): PCM 16/24/32-bit + IEEE float32, mono/stereo
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// → stereo float32. Returns false on any parse error (job/argument error). ---
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struct WavIn {
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uint32_t sampleRate = 0;
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uint16_t channels = 0;
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uint16_t bits = 0;
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std::vector<float> L, R; // same length
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};
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uint32_t readU32le(const uint8_t* p) {
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return (uint32_t)p[0] | ((uint32_t)p[1] << 8) | ((uint32_t)p[2] << 16) | ((uint32_t)p[3] << 24);
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}
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uint16_t readU16le(const uint8_t* p) {
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return (uint16_t)((uint16_t)p[0] | ((uint16_t)p[1] << 8));
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}
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bool readWav(const std::string& path, WavIn& out) {
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std::ifstream f(path, std::ios::binary);
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if (!f) { std::cerr << "[RenderFx] cannot read input: " << path << std::endl; return false; }
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std::vector<uint8_t> buf((std::istreambuf_iterator<char>(f)), std::istreambuf_iterator<char>());
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if (buf.size() < 44) return false;
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if (std::memcmp(buf.data(), "RIFF", 4) != 0 || std::memcmp(buf.data() + 8, "WAVE", 4) != 0)
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return false;
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uint16_t fmtTag = 0, channels = 0, bits = 0;
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uint32_t sampleRate = 0;
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size_t dataOff = 0, dataLen = 0;
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size_t p = 12;
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bool foundFmt = false, foundData = false;
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while (p + 8 <= buf.size()) {
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const char* id = reinterpret_cast<const char*>(buf.data() + p);
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uint32_t sz = readU32le(buf.data() + p + 4);
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size_t chunkStart = p + 8;
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if (chunkStart + sz > buf.size()) break; // truncated chunk — stop
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if (std::memcmp(id, "fmt ", 4) == 0 && sz >= 16) {
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fmtTag = readU16le(buf.data() + chunkStart);
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channels = readU16le(buf.data() + chunkStart + 2);
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sampleRate = readU32le(buf.data() + chunkStart + 4);
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bits = readU16le(buf.data() + chunkStart + 14);
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foundFmt = true;
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} else if (std::memcmp(id, "data", 4) == 0) {
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dataOff = chunkStart;
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dataLen = sz;
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foundData = true;
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break;
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}
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p = chunkStart + sz + (sz & 1);
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}
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if (!foundFmt || !foundData) return false;
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// Supported: PCM 16/24/32 and IEEE float 32; mono or stereo.
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const bool isFloat = (fmtTag == 3);
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if (!(fmtTag == 1 || isFloat)) {
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std::cerr << "[RenderFx] unsupported WAV format tag " << fmtTag << " (need PCM/float)" << std::endl;
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return false;
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}
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if (channels < 1 || channels > 2) {
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std::cerr << "[RenderFx] unsupported WAV channel count " << channels << std::endl;
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return false;
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}
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const uint16_t bytes = (bits + 7) / 8;
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if (bytes != 2 && bytes != 3 && bytes != 4) return false;
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const size_t frameBytes = (size_t)channels * bytes;
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const size_t nFrames = dataLen / frameBytes;
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out.sampleRate = sampleRate;
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out.channels = channels;
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out.bits = bits;
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out.L.assign(nFrames, 0.0f);
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out.R.assign(nFrames, 0.0f);
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const uint8_t* d = buf.data() + dataOff;
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for (size_t i = 0; i < nFrames; ++i) {
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float l = 0.f, r = 0.f;
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for (uint16_t c = 0; c < channels; ++c) {
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const uint8_t* s = d + (i * channels + c) * bytes;
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float v = 0.f;
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if (isFloat && bytes == 4) {
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uint32_t u = readU32le(s);
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float fv;
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std::memcpy(&fv, &u, 4);
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v = fv;
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} else if (bytes == 2) {
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v = (float)(int16_t)((uint16_t)s[0] | ((uint16_t)s[1] << 8)) / 32768.f;
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} else if (bytes == 3) {
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int32_t iv = (int32_t)s[0] | ((int32_t)s[1] << 8) | ((int32_t)s[2] << 16);
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if (iv & 0x800000) iv |= ~0xFFFFFF; // sign extend
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v = (float)iv / 8388608.f;
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} else { // bytes == 4, PCM int32
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int32_t iv = (int32_t)readU32le(s);
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v = (float)iv / 2147483648.f;
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}
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if (c == 0) l = v; else r = v;
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}
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out.L[i] = l;
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out.R[i] = (channels == 1) ? l : r;
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}
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return true;
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}
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// --- base64 (RFC 4648) — same helpers as RenderJob.cpp ----------------------
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static const char* kBase64Tbl = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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static std::string base64Encode(const uint8_t* data, size_t len) {
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std::string out;
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out.reserve(((len + 2) / 3) * 4);
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for (size_t i = 0; i < len; i += 3) {
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uint32_t n = (uint32_t)data[i] << 16;
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if (i + 1 < len) n |= (uint32_t)data[i + 1] << 8;
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if (i + 2 < len) n |= (uint32_t)data[i + 2];
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out += kBase64Tbl[(n >> 18) & 63];
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out += kBase64Tbl[(n >> 12) & 63];
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out += (i + 1 < len) ? kBase64Tbl[(n >> 6) & 63] : '=';
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out += (i + 2 < len) ? kBase64Tbl[n & 63] : '=';
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}
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return out;
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}
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static int b64val(unsigned char c) {
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if (c >= 'A' && c <= 'Z') return c - 'A';
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if (c >= 'a' && c <= 'z') return c - 'a' + 26;
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if (c >= '0' && c <= '9') return c - '0' + 52;
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if (c == '+') return 62;
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if (c == '/') return 63;
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return -1;
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}
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static bool base64Decode(const std::string& in, std::vector<uint8_t>& out) {
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out.clear();
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out.reserve((in.size() / 4) * 3);
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uint32_t acc = 0;
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int bits = 0;
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for (unsigned char ch : in) {
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if (ch == '=' || ch == '\n' || ch == '\r' || ch == ' ') continue;
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int v = b64val(ch);
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if (v < 0) return false;
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acc = (acc << 6) | (uint32_t)v;
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bits += 6;
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if (bits >= 8) {
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bits -= 8;
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out.push_back((uint8_t)((acc >> bits) & 0xFF));
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}
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}
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return true;
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}
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// --- VST3 audio-effect host (offline; no MIDI, no GUI) ----------------------
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#ifdef HAVE_VST3SDK
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using Steinberg::tresult;
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using Steinberg::kResultOk;
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using Steinberg::kResultTrue;
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using Steinberg::kResultFalse;
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using Steinberg::kNoInterface;
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using Steinberg::FUnknownPtr;
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using Steinberg::IPtr;
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using Steinberg::owned;
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using Steinberg::FIDString;
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using Steinberg::int32;
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using Steinberg::uint32;
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using Steinberg::Vst::IComponent;
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using Steinberg::Vst::IEditController;
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using Steinberg::Vst::IAudioProcessor;
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using Steinberg::Vst::IComponentHandler;
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using Steinberg::Vst::IConnectionPoint;
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using Steinberg::Vst::ProcessSetup;
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using Steinberg::Vst::ProcessContext;
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using Steinberg::Vst::HostProcessData;
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using Steinberg::Vst::HostApplication;
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using Steinberg::Vst::BusInfo;
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using Steinberg::Vst::kAudio;
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using Steinberg::Vst::kEvent;
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using Steinberg::Vst::kInput;
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using Steinberg::Vst::kOutput;
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using Steinberg::Vst::kRealtime;
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using Steinberg::Vst::kSample32;
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class HostComponentHandlerFx : public IComponentHandler {
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public:
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tresult queryInterface(const char*, void** v) override { *v = nullptr; return kNoInterface; }
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Steinberg::uint32 addRef() override { return 1; }
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Steinberg::uint32 release() override { return 1; }
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tresult beginEdit(Steinberg::Vst::ParamID) override { return kResultOk; }
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tresult performEdit(Steinberg::Vst::ParamID, Steinberg::Vst::ParamValue) override { return kResultOk; }
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tresult endEdit(Steinberg::Vst::ParamID) override { return kResultOk; }
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tresult restartComponent(Steinberg::int32) override { return kResultOk; }
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};
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struct Vst3FxState {
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VST3::Hosting::Module::Ptr module; // destroyed LAST (owns the factory)
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IPtr<IComponent> component;
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IPtr<IEditController> controller;
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IPtr<HostApplication> hostApp;
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HostProcessData processData;
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ProcessContext processContext;
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HostComponentHandlerFx componentHandler;
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int32 inputChannels = 2;
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int32 outputChannels = 2;
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bool controllerIsComponent = false;
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};
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// Class selection for FX: any kVstAudioEffectClass whose subcategory does NOT
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// contain "Instrument" (Ozone/ScalerAudio et al.). Pick the first match.
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bool pickFxClass(const VST3::Hosting::PluginFactory& factory,
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VST3::Hosting::ClassInfo& out) {
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auto infos = factory.classInfos(); // temporary vector — copy, never keep pointer
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for (const auto& ci : infos) {
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if (ci.category() != kVstAudioEffectClass) continue;
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if (ci.subCategoriesString().find("Instrument") != std::string::npos) continue;
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out = ci;
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return true;
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}
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return false;
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}
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// Must live OUTSIDE any __try (C2712: no C++ unwinding inside SEH frames).
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bool vst3FxLoadInner(Vst3FxState* s, const std::string& path, double sampleRate,
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int32 maxBlockSize, std::string& err) {
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using namespace VST3::Hosting;
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Module::Ptr module = Module::create(path, err);
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if (!module) return false;
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const PluginFactory& factory = module->getFactory();
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ClassInfo chosen;
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if (!pickFxClass(factory, chosen)) {
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err = "no audio-effect class in " + path;
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return false;
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}
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IPtr<IComponent> component = factory.createInstance<IComponent>(chosen.ID());
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if (!component) { err = "createInstance<IComponent> failed"; return false; }
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IPtr<HostApplication> hostApp = owned(new HostApplication());
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FUnknownPtr<Steinberg::IPluginBase> plugBase(component.get());
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if (!plugBase || plugBase->initialize(hostApp) != kResultOk) {
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err = "component initialize failed"; return false;
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}
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IPtr<IEditController> controller;
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bool isSingle = false;
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if (component->queryInterface(IEditController::iid, (void**)&controller) == kResultTrue) {
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isSingle = true;
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} else {
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Steinberg::TUID cid = {};
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tresult cidRes = component->getControllerClassId(cid);
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if (cidRes == kResultTrue || cidRes == kResultOk) {
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controller = factory.createInstance<IEditController>(VST3::UID(cid));
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if (controller) {
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FUnknownPtr<Steinberg::IPluginBase> ctrlBase(controller.get());
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if (!ctrlBase || ctrlBase->initialize(hostApp) != kResultOk) controller = nullptr;
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}
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}
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}
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if (!controller) { err = "no edit controller"; return false; }
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s->controllerIsComponent = isSingle;
|
||||
controller->setComponentHandler(&s->componentHandler);
|
||||
FUnknownPtr<IConnectionPoint> compCP(component);
|
||||
FUnknownPtr<IConnectionPoint> ctrlCP(controller);
|
||||
if (compCP && ctrlCP) { compCP->connect(ctrlCP); ctrlCP->connect(compCP); }
|
||||
|
||||
int32 numAudioInputs = component->getBusCount(kAudio, kInput);
|
||||
for (int32 i = 0; i < numAudioInputs; ++i) component->activateBus(kAudio, kInput, i, true);
|
||||
int32 numAudioOutputs = component->getBusCount(kAudio, kOutput);
|
||||
for (int32 i = 0; i < numAudioOutputs; ++i) component->activateBus(kAudio, kOutput, i, true);
|
||||
int32 numEventInputs = component->getBusCount(kEvent, kInput);
|
||||
for (int32 i = 0; i < numEventInputs; ++i) component->activateBus(kEvent, kInput, i, true);
|
||||
int32 numEventOutputs = component->getBusCount(kEvent, kOutput);
|
||||
for (int32 i = 0; i < numEventOutputs; ++i) component->activateBus(kEvent, kOutput, i, true);
|
||||
if (numAudioInputs < 1 || numAudioOutputs < 1) {
|
||||
err = "plugin has no audio in/out (instrument?)"; return false;
|
||||
}
|
||||
|
||||
FUnknownPtr<IAudioProcessor> processor(component);
|
||||
if (!processor) { err = "no IAudioProcessor"; return false; }
|
||||
ProcessSetup setup{kRealtime, kSample32, maxBlockSize, sampleRate};
|
||||
if (processor->setupProcessing(setup) != kResultOk) { err = "setupProcessing failed"; return false; }
|
||||
if (component->setActive(true) != kResultOk) { err = "setActive failed"; return false; }
|
||||
processor->setProcessing(true);
|
||||
if (!s->processData.prepare(*component, maxBlockSize, kSample32)) {
|
||||
err = "processData.prepare failed"; return false;
|
||||
}
|
||||
|
||||
BusInfo bi = {};
|
||||
if (component->getBusInfo(kAudio, kInput, 0, bi) == kResultOk && bi.channelCount > 0)
|
||||
s->inputChannels = bi.channelCount;
|
||||
bi = {};
|
||||
if (component->getBusInfo(kAudio, kOutput, 0, bi) == kResultOk && bi.channelCount > 0)
|
||||
s->outputChannels = bi.channelCount;
|
||||
|
||||
s->module = std::move(module);
|
||||
s->component = std::move(component);
|
||||
s->controller = std::move(controller);
|
||||
s->hostApp = std::move(hostApp);
|
||||
s->processContext.sampleRate = sampleRate;
|
||||
s->processContext.tempo = 120.0;
|
||||
s->processContext.timeSigNumerator = 4;
|
||||
s->processContext.timeSigDenominator = 4;
|
||||
s->processContext.state = ProcessContext::kPlaying | ProcessContext::kTempoValid |
|
||||
ProcessContext::kTimeSigValid | ProcessContext::kProjectTimeMusicValid;
|
||||
std::cout << "[RenderFx] VST3 FX loaded " << path << " (" << chosen.name()
|
||||
<< ") in=" << s->inputChannels << " out=" << s->outputChannels << std::endl;
|
||||
return true;
|
||||
}
|
||||
#endif // HAVE_VST3SDK
|
||||
|
||||
class Vst3Fx {
|
||||
public:
|
||||
Vst3Fx() = default;
|
||||
~Vst3Fx() {
|
||||
#ifdef HAVE_VST3SDK
|
||||
if (!state_) return;
|
||||
auto* s = static_cast<Vst3FxState*>(state_);
|
||||
if (s->component) {
|
||||
FUnknownPtr<IAudioProcessor> processor(s->component);
|
||||
if (processor) processor->setProcessing(false);
|
||||
s->component->setActive(false);
|
||||
s->component->terminate();
|
||||
}
|
||||
if (s->controller && !s->controllerIsComponent) s->controller->terminate();
|
||||
s->processData.unprepare();
|
||||
delete s;
|
||||
state_ = nullptr;
|
||||
#endif
|
||||
}
|
||||
bool load(const std::string& path, double sampleRate, int32 maxBlockSize) {
|
||||
#ifndef HAVE_VST3SDK
|
||||
(void)path; (void)sampleRate; (void)maxBlockSize;
|
||||
return false;
|
||||
#else
|
||||
if (state_) return true;
|
||||
auto* s = new Vst3FxState();
|
||||
std::string err;
|
||||
if (!vst3FxLoadInner(s, path, sampleRate, maxBlockSize, err)) {
|
||||
std::cerr << "[RenderFx] VST3 FX load FAILED: " << err << std::endl;
|
||||
delete s;
|
||||
return false;
|
||||
}
|
||||
state_ = s;
|
||||
return true;
|
||||
#endif
|
||||
}
|
||||
// Audio in → audio out, one block. Must be SEH-wrapped by the caller.
|
||||
void processAudio(const float* inL, const float* inR,
|
||||
float* outL, float* outR, uint32_t n) {
|
||||
#ifndef HAVE_VST3SDK
|
||||
(void)inL; (void)inR; (void)outL; (void)outR; (void)n;
|
||||
#else
|
||||
auto* s = static_cast<Vst3FxState*>(state_);
|
||||
if (!s || !s->component || n == 0) return;
|
||||
FUnknownPtr<IAudioProcessor> processor(s->component);
|
||||
if (!processor) return;
|
||||
s->processData.processMode = kRealtime;
|
||||
s->processData.numSamples = (int32)n;
|
||||
s->processData.inputEvents = nullptr;
|
||||
s->processData.inputParameterChanges = nullptr;
|
||||
s->processData.processContext = &s->processContext;
|
||||
s->processContext.projectTimeSamples += n;
|
||||
s->processContext.projectTimeMusic =
|
||||
(double)s->processContext.projectTimeSamples / s->processContext.sampleRate *
|
||||
(s->processContext.tempo / 60.0);
|
||||
// Copy input into the prepared (owned) input buffers — direct write,
|
||||
// setChannelBuffers is unusable (channelBufferOwner=true after prepare).
|
||||
if (s->processData.numInputs > 0) {
|
||||
const Steinberg::Vst::AudioBusBuffers& ib = s->processData.inputs[0];
|
||||
for (int32 c = 0; c < ib.numChannels; ++c) {
|
||||
float* dst = ib.channelBuffers32[c];
|
||||
if (!dst) continue;
|
||||
const float* src = (c == 0) ? inL : (c == 1 ? inR : inL);
|
||||
std::memcpy(dst, src, n * sizeof(float));
|
||||
}
|
||||
}
|
||||
// Host buffers must be zeroed before process (plugins skip output
|
||||
// leave garbage otherwise — same rule as Vst3Instrument).
|
||||
if (s->processData.numOutputs > 0) {
|
||||
for (int32 b = 0; b < s->processData.numOutputs; ++b) {
|
||||
const Steinberg::Vst::AudioBusBuffers& ob = s->processData.outputs[b];
|
||||
for (int32 c = 0; c < ob.numChannels; ++c)
|
||||
if (ob.channelBuffers32[c])
|
||||
std::memset(ob.channelBuffers32[c], 0, n * sizeof(float));
|
||||
}
|
||||
}
|
||||
tresult pr = processor->process(s->processData);
|
||||
if (pr >= 0 && s->processData.numOutputs > 0) {
|
||||
const Steinberg::Vst::AudioBusBuffers& out = s->processData.outputs[0];
|
||||
const float* buf0 = out.numChannels > 0 ? out.channelBuffers32[0] : nullptr;
|
||||
const float* buf1 = out.numChannels > 1 ? out.channelBuffers32[1] : nullptr;
|
||||
if (buf0) std::memcpy(outL, buf0, n * sizeof(float));
|
||||
else std::memset(outL, 0, n * sizeof(float));
|
||||
if (buf1) std::memcpy(outR, buf1, n * sizeof(float));
|
||||
else if (buf0) std::memcpy(outR, buf0, n * sizeof(float)); // mono → stereo
|
||||
else std::memset(outR, 0, n * sizeof(float));
|
||||
} else {
|
||||
std::memset(outL, 0, n * sizeof(float));
|
||||
std::memset(outR, 0, n * sizeof(float));
|
||||
}
|
||||
#endif
|
||||
}
|
||||
// Apply preset: base64 of a raw .vstpreset FILE (VST3 magic + chunk list)
|
||||
// OR of the bridge state blob [4B BE compLen][comp][4B BE ctrlLen][ctrl].
|
||||
bool applyPreset(const std::string& b64) {
|
||||
#ifndef HAVE_VST3SDK
|
||||
(void)b64;
|
||||
return false;
|
||||
#else
|
||||
std::vector<uint8_t> bytes;
|
||||
if (!base64Decode(b64, bytes) || bytes.empty()) return false;
|
||||
std::vector<uint8_t> comp, ctrl;
|
||||
if (bytes.size() >= 4 && std::memcmp(bytes.data(), "VST3", 4) == 0) {
|
||||
// Raw .vstpreset file: parse with the SDK PresetFile.
|
||||
Steinberg::MemoryStream stream;
|
||||
if (stream.write(bytes.data(), (int32)bytes.size(), nullptr) != Steinberg::kResultOk) return false;
|
||||
stream.seek(0, Steinberg::IBStream::kIBSeekSet, nullptr);
|
||||
Steinberg::Vst::PresetFile pf(&stream);
|
||||
if (!pf.readChunkList()) return false;
|
||||
auto readChunk = [&](Steinberg::Vst::ChunkType which, std::vector<uint8_t>& outc) -> bool {
|
||||
const Steinberg::Vst::PresetFile::Entry* e = pf.getEntry(which);
|
||||
if (!e) return true;
|
||||
bool seeked = (which == Steinberg::Vst::kComponentState)
|
||||
? pf.seekToComponentState() : pf.seekToControllerState();
|
||||
if (!seeked) return false;
|
||||
outc.resize((size_t)e->size);
|
||||
if (e->size == 0) return true;
|
||||
int32 got = 0;
|
||||
return stream.read(outc.data(), (int32)e->size, &got) == Steinberg::kResultOk &&
|
||||
got == e->size;
|
||||
};
|
||||
if (!readChunk(Steinberg::Vst::kComponentState, comp) ||
|
||||
!readChunk(Steinberg::Vst::kControllerState, ctrl))
|
||||
return false;
|
||||
} else {
|
||||
// Bridge state blob.
|
||||
auto read32 = [&bytes](size_t off) -> uint32_t {
|
||||
return ((uint32_t)bytes[off] << 24) | ((uint32_t)bytes[off + 1] << 16) |
|
||||
((uint32_t)bytes[off + 2] << 8) | (uint32_t)bytes[off + 3];
|
||||
};
|
||||
if (bytes.size() < 8) return false;
|
||||
size_t off = 0;
|
||||
uint32_t clen = read32(off); off += 4;
|
||||
if (off + clen > bytes.size()) return false;
|
||||
comp.assign(bytes.begin() + off, bytes.begin() + off + clen);
|
||||
off += clen;
|
||||
if (off + 4 > bytes.size()) return false;
|
||||
uint32_t klen = read32(off); off += 4;
|
||||
if (off + klen > bytes.size()) return false;
|
||||
ctrl.assign(bytes.begin() + off, bytes.begin() + off + klen);
|
||||
}
|
||||
auto* s = static_cast<Vst3FxState*>(state_);
|
||||
if (!s) return false;
|
||||
if (!comp.empty()) {
|
||||
Steinberg::MemoryStream stream;
|
||||
stream.write(comp.data(), (int32)comp.size(), nullptr);
|
||||
stream.seek(0, Steinberg::IBStream::kIBSeekSet, nullptr);
|
||||
if (!s->component || s->component->setState(&stream) != kResultOk) return false;
|
||||
}
|
||||
if (!ctrl.empty()) {
|
||||
Steinberg::MemoryStream stream;
|
||||
stream.write(ctrl.data(), (int32)ctrl.size(), nullptr);
|
||||
stream.seek(0, Steinberg::IBStream::kIBSeekSet, nullptr);
|
||||
if (!s->controller || s->controller->setState(&stream) != kResultOk) return false;
|
||||
}
|
||||
std::cout << "[RenderFx] preset applied component=" << comp.size()
|
||||
<< " controller=" << ctrl.size() << std::endl;
|
||||
return true;
|
||||
#endif
|
||||
}
|
||||
bool loaded() const { return state_ != nullptr; }
|
||||
|
||||
private:
|
||||
void* state_ = nullptr;
|
||||
};
|
||||
|
||||
// One FX slot from the job. builtin id: "gain" | "normalize".
|
||||
struct FxSlot {
|
||||
bool vst = false; // true = VST3, false = builtin
|
||||
std::string path; // vst only
|
||||
std::string presetB64; // vst only
|
||||
bool bypass = false;
|
||||
std::string builtinId; // builtin only
|
||||
double db = 0.0; // gain param
|
||||
double peak = 0.95; // normalize param
|
||||
std::unique_ptr<Vst3Fx> fx;
|
||||
};
|
||||
|
||||
} // namespace
|
||||
|
||||
// SEH-guarded single-slot process call. Kept OUT of run_render_fx_job's frame
|
||||
// (C2712: __try cannot live in a function whose C++ objects need unwinding).
|
||||
// This frame holds only references/raw pointers — nothing to unwind.
|
||||
static bool runFxSlotSafe(const FxSlot& sl, const float* inL, const float* inR,
|
||||
float* outL, float* outR, uint32_t n, uint32_t* crashCode) {
|
||||
#ifdef _WIN32
|
||||
__try {
|
||||
sl.fx->processAudio(inL, inR, outL, outR, n);
|
||||
return true;
|
||||
} __except (*crashCode = (uint32_t)GetExceptionCode(), EXCEPTION_EXECUTE_HANDLER) {
|
||||
return false;
|
||||
}
|
||||
#else
|
||||
sl.fx->processAudio(inL, inR, outL, outR, n);
|
||||
return true;
|
||||
#endif
|
||||
}
|
||||
|
||||
int run_render_fx_job(const std::string& jobPath, const std::string& inPath,
|
||||
const std::string& outPath) {
|
||||
#ifdef _WIN32
|
||||
CoInitializeEx(nullptr, COINIT_MULTITHREADED);
|
||||
struct ComGuard { ~ComGuard() { CoUninitialize(); } } comGuard;
|
||||
#endif
|
||||
|
||||
int rc = 1;
|
||||
std::ofstream wav;
|
||||
auto fail = [&](const std::string& msg) {
|
||||
std::cerr << "[RenderFx] " << msg << std::endl;
|
||||
if (wav.is_open()) wav.close();
|
||||
std::remove(outPath.c_str());
|
||||
};
|
||||
|
||||
// 1. Read input WAV.
|
||||
WavIn in;
|
||||
if (!readWav(inPath, in)) { fail("cannot read input WAV: " + inPath); return rc; }
|
||||
if (in.L.empty()) { fail("input WAV is empty"); return rc; }
|
||||
|
||||
// 2. Parse job.
|
||||
std::ifstream jf(jobPath, std::ios::binary);
|
||||
if (!jf) { fail("cannot read job file: " + jobPath); return rc; }
|
||||
std::string data((std::istreambuf_iterator<char>(jf)), std::istreambuf_iterator<char>());
|
||||
json_parse_result_s pres = {};
|
||||
json_value_s* root = json_parse_ex(data.data(), data.size(), json_parse_flags_default,
|
||||
nullptr, nullptr, &pres);
|
||||
if (!root) { fail("job JSON parse error (code " + std::to_string(pres.error) + ")"); return rc; }
|
||||
struct RootHolder { json_value_s* p = nullptr; ~RootHolder() { if (p) std::free(p); } } rootH;
|
||||
rootH.p = root;
|
||||
if (root->type != json_type_object) { fail("job root must be a JSON object"); return rc; }
|
||||
const json_object_s* job = static_cast<const json_object_s*>(root->payload);
|
||||
|
||||
double srD = (double)in.sampleRate;
|
||||
memberNumber(job, "sample_rate", srD);
|
||||
if (srD < 8000.0 || srD > 192000.0) { fail("bad sample_rate: " + std::to_string(srD)); return rc; }
|
||||
const uint32_t sampleRate = (uint32_t)srD;
|
||||
if (in.sampleRate != sampleRate) {
|
||||
fail("input WAV sr (" + std::to_string(in.sampleRate) + ") != job sample_rate ("
|
||||
+ std::to_string(sampleRate) + ")"); return rc;
|
||||
}
|
||||
int64_t block = memberInt(job, "block_size", 512);
|
||||
block = std::max<int64_t>(32, std::min<int64_t>(block, 4096));
|
||||
const uint32_t chunk = (uint32_t)block;
|
||||
|
||||
// 3. Build slot list.
|
||||
std::vector<FxSlot> slots;
|
||||
const json_value_s* chainV = memberValue(job, "fx_chain");
|
||||
if (chainV && chainV->type == json_type_array) {
|
||||
const json_array_s* chain = static_cast<const json_array_s*>(chainV->payload);
|
||||
for (const json_array_element_s* el = chain->start; el; el = el->next) {
|
||||
const json_value_s* v = el->value;
|
||||
if (!v || v->type != json_type_object) continue;
|
||||
const json_object_s* o = static_cast<const json_object_s*>(v->payload);
|
||||
const std::string type = memberString(o, "type", "");
|
||||
FxSlot sl;
|
||||
sl.bypass = memberBool(o, "bypass", false);
|
||||
if (type == "vst3" || type == "vst") {
|
||||
sl.vst = true;
|
||||
sl.path = memberString(o, "path", "");
|
||||
sl.presetB64 = memberString(o, "preset_b64", "");
|
||||
} else if (type == "builtin") {
|
||||
sl.vst = false;
|
||||
sl.builtinId = memberString(o, "id", "");
|
||||
const json_value_s* pv = memberValue(o, "params");
|
||||
if (pv && pv->type == json_type_object) {
|
||||
const json_object_s* po = static_cast<const json_object_s*>(pv->payload);
|
||||
double d = sl.db; memberNumber(po, "db", d); sl.db = d;
|
||||
double pk = sl.peak; memberNumber(po, "peak", pk); sl.peak = pk;
|
||||
}
|
||||
} else {
|
||||
fail("unknown fx_chain slot type: " + type); return rc;
|
||||
}
|
||||
slots.push_back(std::move(sl));
|
||||
}
|
||||
}
|
||||
if (slots.empty()) { fail("fx_chain is empty — nothing to render"); return rc; }
|
||||
|
||||
// 4. Load VST3 slots (bypassed slots stay unloaded → passthrough).
|
||||
for (auto& sl : slots) {
|
||||
if (!sl.vst || sl.bypass) continue;
|
||||
if (sl.path.empty()) { fail("vst3 slot missing path"); return rc; }
|
||||
auto fx = std::make_unique<Vst3Fx>();
|
||||
if (!fx->load(sl.path, sampleRate, (int32)chunk)) { rc = 2; fail("VST3 FX load failed: " + sl.path); return rc; }
|
||||
if (!sl.presetB64.empty() && !fx->applyPreset(sl.presetB64)) {
|
||||
fail("preset import FAILED for " + sl.path); return rc;
|
||||
}
|
||||
sl.fx = std::move(fx);
|
||||
}
|
||||
|
||||
// 5. Process chain block-wise. Double-buffered: cur ← slot → nxt, swap.
|
||||
std::vector<float> L0(chunk), R0(chunk), L1(chunk), R1(chunk);
|
||||
std::vector<float> curL(chunk), curR(chunk);
|
||||
bool normalizePending = false;
|
||||
double normalizePeak = 0.95;
|
||||
uint32_t crashCode = 0;
|
||||
for (const auto& sl : slots) {
|
||||
if (sl.bypass) continue;
|
||||
if (sl.vst && !sl.fx) continue; // defensive: bypassed/unloaded
|
||||
if (!sl.vst && sl.builtinId == "normalize") {
|
||||
normalizePending = true;
|
||||
normalizePeak = std::max(0.01, std::min(1.0, sl.peak));
|
||||
continue; // global post-pass
|
||||
}
|
||||
const bool isVst = sl.vst;
|
||||
const double gainLin = sl.vst ? 1.0 : std::pow(10.0, sl.db / 20.0);
|
||||
for (uint64_t pos = 0; pos < in.L.size(); pos += chunk) {
|
||||
const uint32_t n = (uint32_t)std::min<uint64_t>(chunk, in.L.size() - pos);
|
||||
std::memcpy(curL.data(), in.L.data() + pos, n * sizeof(float));
|
||||
std::memcpy(curR.data(), in.R.data() + pos, n * sizeof(float));
|
||||
if (isVst) {
|
||||
bool ok = runFxSlotSafe(sl, curL.data(), curR.data(), L0.data(), R0.data(),
|
||||
n, &crashCode);
|
||||
if (!ok) { rc = 3; fail("VST3 FX crashed inside processAudio (SEH code=0x"
|
||||
+ std::to_string(crashCode) + ")"); return rc; }
|
||||
std::memcpy(in.L.data() + pos, L0.data(), n * sizeof(float));
|
||||
std::memcpy(in.R.data() + pos, R0.data(), n * sizeof(float));
|
||||
} else {
|
||||
for (uint32_t i = 0; i < n; ++i) {
|
||||
in.L[pos + i] = curL[i] * (float)gainLin;
|
||||
in.R[pos + i] = curR[i] * (float)gainLin;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (isVst) std::cout << "[RenderFx] slot processed: " << sl.path << std::endl;
|
||||
else std::cout << "[RenderFx] slot processed: builtin " << sl.builtinId << std::endl;
|
||||
}
|
||||
|
||||
// 6. Global normalize pass (only reduces when peak exceeds target — mirrors
|
||||
// render_project's clip guard; the final mastering slot by convention).
|
||||
if (normalizePending) {
|
||||
float peak = 0.f;
|
||||
for (float v : in.L) peak = std::max(peak, std::fabs(v));
|
||||
for (float v : in.R) peak = std::max(peak, std::fabs(v));
|
||||
if (peak > (float)normalizePeak && peak > 1e-9f) {
|
||||
const float k = (float)normalizePeak / peak;
|
||||
for (float& v : in.L) v *= k;
|
||||
for (float& v : in.R) v *= k;
|
||||
std::cout << "[RenderFx] normalize: peak " << peak << " → " << normalizePeak << std::endl;
|
||||
} else {
|
||||
std::cout << "[RenderFx] normalize: peak " << peak << " ≤ " << normalizePeak << " (no-op)" << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
// 7. Write output WAV.
|
||||
wav.open(outPath, std::ios::binary);
|
||||
if (!wav) { fail("cannot open output: " + outPath); return rc; }
|
||||
writeWavHeader(wav, sampleRate);
|
||||
uint64_t dataBytes = 0;
|
||||
for (uint64_t pos = 0; pos < in.L.size(); pos += chunk) {
|
||||
const uint32_t n = (uint32_t)std::min<uint64_t>(chunk, in.L.size() - pos);
|
||||
writeFrames(wav, in.L.data() + pos, in.R.data() + pos, n);
|
||||
dataBytes += (uint64_t)n * 4;
|
||||
}
|
||||
finishWav(wav, dataBytes);
|
||||
wav.close();
|
||||
std::cout << "[RenderFx] wrote " << outPath << " (" << in.L.size() << " frames)" << std::endl;
|
||||
rc = 0;
|
||||
return rc;
|
||||
}
|
||||
|
||||
// --- --scan: classify VST3 modules as instrument/effect ----------------------
|
||||
namespace {
|
||||
|
||||
std::string jsonEscape(const std::string& s) {
|
||||
std::string o;
|
||||
o.reserve(s.size() + 8);
|
||||
for (char ch : s) {
|
||||
switch (ch) {
|
||||
case '"': o += "\\\""; break;
|
||||
case '\\': o += "\\\\"; break;
|
||||
case '\n': o += "\\n"; break;
|
||||
case '\r': o += "\\r"; break;
|
||||
case '\t': o += "\\t"; break;
|
||||
default: o += ch;
|
||||
}
|
||||
}
|
||||
return o;
|
||||
}
|
||||
|
||||
#ifdef HAVE_VST3SDK
|
||||
struct ScanEntry {
|
||||
std::string path;
|
||||
std::string name;
|
||||
bool isFx = false;
|
||||
bool isInstrument = false;
|
||||
};
|
||||
|
||||
// C++ locals live here (no __try in this frame) — a crashing module loader
|
||||
// is caught by safeScanModule's SEH and skipped, not fatal to the whole scan.
|
||||
bool scanModuleInner(const std::string& path, std::vector<ScanEntry>& out) {
|
||||
using namespace VST3::Hosting;
|
||||
std::string err;
|
||||
Module::Ptr module = Module::create(path, err);
|
||||
if (!module) { std::cerr << "[Scan] skip (module load failed): " << path << " — " << err << std::endl; return false; }
|
||||
const PluginFactory& factory = module->getFactory();
|
||||
auto infos = factory.classInfos();
|
||||
int added = 0;
|
||||
for (const auto& ci : infos) {
|
||||
if (ci.category() != kVstAudioEffectClass) continue;
|
||||
const bool isInstr = ci.subCategoriesString().find("Instrument") != std::string::npos;
|
||||
ScanEntry e;
|
||||
e.path = path;
|
||||
e.name = ci.name();
|
||||
e.isFx = !isInstr;
|
||||
e.isInstrument = isInstr;
|
||||
out.push_back(std::move(e));
|
||||
++added;
|
||||
}
|
||||
if (added == 0)
|
||||
std::cerr << "[Scan] " << path << ": no audio classes" << std::endl;
|
||||
return added > 0;
|
||||
}
|
||||
|
||||
bool safeScanModule(const std::string& path, std::vector<ScanEntry>& out) {
|
||||
#ifdef _WIN32
|
||||
__try { return scanModuleInner(path, out); }
|
||||
__except (EXCEPTION_EXECUTE_HANDLER) {
|
||||
std::cerr << "[Scan] skip (crashed module): " << path << std::endl;
|
||||
return false;
|
||||
}
|
||||
#else
|
||||
return scanModuleInner(path, out);
|
||||
#endif
|
||||
}
|
||||
#endif // HAVE_VST3SDK
|
||||
|
||||
} // namespace
|
||||
|
||||
int run_scan_dir(const std::string& dirPath) {
|
||||
#ifdef _WIN32
|
||||
CoInitializeEx(nullptr, COINIT_MULTITHREADED);
|
||||
struct ComGuard { ~ComGuard() { CoUninitialize(); } } comGuard;
|
||||
#endif
|
||||
std::vector<std::string> vst3Paths; // folders or files ending .vst3
|
||||
std::vector<std::string> vst2Paths; // .dll / .so (cannot introspect)
|
||||
|
||||
namespace fs = std::filesystem;
|
||||
auto isExt = [](const std::string& p, const char* ext) {
|
||||
const size_t n = std::strlen(ext);
|
||||
return p.size() >= n && p.compare(p.size() - n, n, ext) == 0;
|
||||
};
|
||||
try {
|
||||
fs::recursive_directory_iterator it(dirPath), end;
|
||||
for (; it != end; ++it) {
|
||||
const std::string p = it->path().string();
|
||||
std::string low = p;
|
||||
for (auto& c : low) c = (char)std::tolower((unsigned char)c);
|
||||
if (it->is_directory()) {
|
||||
if (isExt(low, ".vst3")) {
|
||||
vst3Paths.push_back(p);
|
||||
it.disable_recursion_pending(); // bundle: don't walk Contents/
|
||||
}
|
||||
} else if (it->is_regular_file()) {
|
||||
if (isExt(low, ".vst3")) vst3Paths.push_back(p);
|
||||
else if (isExt(low, ".dll") || isExt(low, ".so")) vst2Paths.push_back(p);
|
||||
}
|
||||
}
|
||||
} catch (...) { std::cerr << "[Scan] walk failed: " << dirPath << std::endl; }
|
||||
|
||||
std::cout << "{\"plugins\":[";
|
||||
bool first = true;
|
||||
auto emit = [&](const std::string& path, const std::string& name,
|
||||
bool isFx, bool isInstr, const char* type) {
|
||||
if (!first) std::cout << ",";
|
||||
first = false;
|
||||
std::cout << "{\"path\":\"" << jsonEscape(path)
|
||||
<< "\",\"name\":\"" << jsonEscape(name)
|
||||
<< "\",\"is_fx\":" << (isFx ? "true" : "false")
|
||||
<< ",\"is_instrument\":" << (isInstr ? "true" : "false")
|
||||
<< ",\"type\":\"" << type << "\"}";
|
||||
};
|
||||
#ifdef HAVE_VST3SDK
|
||||
for (const auto& p : vst3Paths) {
|
||||
std::vector<ScanEntry> entries;
|
||||
if (!safeScanModule(p, entries)) {
|
||||
// Module unreadable (or crashed): report as opaque instrument-like
|
||||
// entry so the UI still lists it (VST2 default behavior).
|
||||
emit(p, p.substr(p.find_last_of("/\\") + 1), false, true, "VST3");
|
||||
continue;
|
||||
}
|
||||
for (const auto& e : entries) emit(e.path, e.name, e.isFx, e.isInstrument, "VST3");
|
||||
}
|
||||
#else
|
||||
for (const auto& p : vst3Paths) {
|
||||
std::string name = p.substr(p.find_last_of("/\\") + 1);
|
||||
emit(p, name, false, true, "VST3");
|
||||
}
|
||||
#endif
|
||||
for (const auto& p : vst2Paths) {
|
||||
std::string name = p.substr(p.find_last_of("/\\") + 1);
|
||||
emit(p, name, false, true, "VST2");
|
||||
}
|
||||
std::cout << "]}" << std::endl;
|
||||
return 0;
|
||||
}
|
||||
@@ -6,6 +6,7 @@
|
||||
#include "NativeInstrumentEngine.h"
|
||||
#include "StateStore.h"
|
||||
#include "RenderJob.h"
|
||||
#include "RenderFxJob.h"
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <windows.h>
|
||||
@@ -614,6 +615,29 @@ int main(int argc, char* argv[]) {
|
||||
return run_render_job(renderJob, renderOut);
|
||||
}
|
||||
|
||||
// --render-fx <job.json> --in <input.wav> --out <output.wav>: one-shot
|
||||
// offline FX render (VST3 effects + builtins), no SHM/loop.
|
||||
std::string renderFxJob, renderFxIn, renderFxOut;
|
||||
for (int i = 1; i < argc; ++i) {
|
||||
if (std::strcmp(argv[i], "--render-fx") == 0 && i + 1 < argc) renderFxJob = argv[i + 1];
|
||||
else if (std::strcmp(argv[i], "--in") == 0 && i + 1 < argc) renderFxIn = argv[i + 1];
|
||||
else if (std::strcmp(argv[i], "--out") == 0 && i + 1 < argc) renderFxOut = argv[i + 1];
|
||||
}
|
||||
if (!renderFxJob.empty()) {
|
||||
if (renderFxIn.empty() || renderFxOut.empty()) {
|
||||
std::cerr << "[RenderFxJob] --render-fx requires --in <input.wav> --out <output.wav>" << std::endl;
|
||||
return 1;
|
||||
}
|
||||
return run_render_fx_job(renderFxJob, renderFxIn, renderFxOut);
|
||||
}
|
||||
|
||||
// --scan <dir>: one-shot plugin scan, no SHM/loop.
|
||||
std::string scanDir;
|
||||
for (int i = 1; i + 1 < argc; ++i) {
|
||||
if (std::strcmp(argv[i], "--scan") == 0) scanDir = argv[i + 1];
|
||||
}
|
||||
if (!scanDir.empty()) return run_scan_dir(scanDir);
|
||||
|
||||
// 1. Shared memory name: argv --shm <name> | env SF_SHM_NAME | default
|
||||
std::string shmName = "SonicForge_DAW_IPC";
|
||||
for (int i = 1; i + 1 < argc; ++i) {
|
||||
|
||||
Reference in New Issue
Block a user