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carla-discovery.cpp
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/*
* Carla Plugin discovery
* Copyright (C) 2011-2022 Filipe Coelho <[email protected]>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/
#include "CarlaBackendUtils.hpp"
#include "CarlaLibUtils.hpp"
#include "CarlaMathUtils.hpp"
#include "CarlaScopeUtils.hpp"
#include "CarlaMIDI.h"
#include "LinkedList.hpp"
#include "CarlaLadspaUtils.hpp"
#include "CarlaDssiUtils.hpp"
#include "CarlaLv2Utils.hpp"
#include "CarlaVst2Utils.hpp"
#include "CarlaVst3Utils.hpp"
#ifdef CARLA_OS_MAC
# include "CarlaMacUtils.cpp"
# if defined(USING_JUCE) && defined(__aarch64__)
# include <spawn.h>
# endif
#endif
#ifdef CARLA_OS_WIN
# include <pthread.h>
# include <objbase.h>
#endif
#ifdef BUILD_BRIDGE
# undef HAVE_FLUIDSYNTH
#endif
#ifdef HAVE_FLUIDSYNTH
# include <fluidsynth.h>
#endif
#include <iostream>
#include "water/files/File.h"
#ifndef BUILD_BRIDGE
# include "CarlaDssiUtils.cpp"
# include "CarlaJsfxUtils.hpp"
# include "../backend/utils/CachedPlugins.cpp"
#endif
#ifdef USING_JUCE
# include "carla_juce/carla_juce.h"
# pragma GCC diagnostic ignored "-Wdouble-promotion"
# pragma GCC diagnostic ignored "-Wduplicated-branches"
# pragma GCC diagnostic ignored "-Weffc++"
# pragma GCC diagnostic ignored "-Wfloat-equal"
# include "juce_audio_processors/juce_audio_processors.h"
# if JUCE_PLUGINHOST_VST
# define USING_JUCE_FOR_VST2
# endif
# if JUCE_PLUGINHOST_VST3
# define USING_JUCE_FOR_VST3
# endif
# pragma GCC diagnostic pop
#endif
#define DISCOVERY_OUT(x, y) std::cout << "\ncarla-discovery::" << x << "::" << y << std::endl;
using water::File;
CARLA_BACKEND_USE_NAMESPACE
// -------------------------------------------------------------------------------------------------------------------
// Dummy values to test plugins with
static const uint32_t kBufferSize = 512;
static const double kSampleRate = 44100.0;
static const int32_t kSampleRatei = 44100;
static const float kSampleRatef = 44100.0f;
// -------------------------------------------------------------------------------------------------------------------
// Don't print ELF/EXE related errors since discovery can find multi-architecture binaries
static void print_lib_error(const char* const filename)
{
const char* const error(lib_error(filename));
if (error != nullptr &&
std::strstr(error, "wrong ELF class") == nullptr &&
std::strstr(error, "invalid ELF header") == nullptr &&
std::strstr(error, "Bad EXE format") == nullptr &&
std::strstr(error, "no suitable image found") == nullptr &&
std::strstr(error, "not a valid Win32 application") == nullptr)
{
DISCOVERY_OUT("error", error);
}
}
// ------------------------------ Plugin Checks -----------------------------
#ifndef BUILD_BRIDGE
static void print_cached_plugin(const CarlaCachedPluginInfo* const pinfo)
{
if (! pinfo->valid)
return;
DISCOVERY_OUT("init", "-----------");
DISCOVERY_OUT("build", BINARY_NATIVE);
DISCOVERY_OUT("hints", pinfo->hints);
DISCOVERY_OUT("category", getPluginCategoryAsString(pinfo->category));
DISCOVERY_OUT("name", pinfo->name);
DISCOVERY_OUT("maker", pinfo->maker);
DISCOVERY_OUT("label", pinfo->label);
DISCOVERY_OUT("audio.ins", pinfo->audioIns);
DISCOVERY_OUT("audio.outs", pinfo->audioOuts);
DISCOVERY_OUT("cv.ins", pinfo->cvIns);
DISCOVERY_OUT("cv.outs", pinfo->cvOuts);
DISCOVERY_OUT("midi.ins", pinfo->midiIns);
DISCOVERY_OUT("midi.outs", pinfo->midiOuts);
DISCOVERY_OUT("parameters.ins", pinfo->parameterIns);
DISCOVERY_OUT("parameters.outs", pinfo->parameterOuts);
DISCOVERY_OUT("end", "------------");
}
static void do_cached_check(const PluginType type)
{
const char* plugPath;
switch (type)
{
case PLUGIN_LV2:
plugPath = std::getenv("LV2_PATH");
break;
case PLUGIN_SFZ:
plugPath = std::getenv("SFZ_PATH");
break;
default:
plugPath = nullptr;
break;
}
# ifdef USING_JUCE
if (type == PLUGIN_AU)
CarlaJUCE::initialiseJuce_GUI();
# endif
const uint count = carla_get_cached_plugin_count(type, plugPath);
for (uint i=0; i<count; ++i)
{
const CarlaCachedPluginInfo* pinfo(carla_get_cached_plugin_info(type, i));
CARLA_SAFE_ASSERT_CONTINUE(pinfo != nullptr);
print_cached_plugin(pinfo);
}
# ifdef USING_JUCE
if (type == PLUGIN_AU)
CarlaJUCE::shutdownJuce_GUI();
# endif
}
#endif
static void do_ladspa_check(lib_t& libHandle, const char* const filename, const bool doInit)
{
LADSPA_Descriptor_Function descFn = lib_symbol<LADSPA_Descriptor_Function>(libHandle, "ladspa_descriptor");
if (descFn == nullptr)
{
DISCOVERY_OUT("error", "Not a LADSPA plugin");
return;
}
const LADSPA_Descriptor* descriptor;
{
descriptor = descFn(0);
if (descriptor == nullptr)
{
DISCOVERY_OUT("error", "Binary doesn't contain any plugins");
return;
}
if (doInit && descriptor->instantiate != nullptr && descriptor->cleanup != nullptr)
{
LADSPA_Handle handle = descriptor->instantiate(descriptor, kSampleRatei);
if (handle == nullptr)
{
DISCOVERY_OUT("error", "Failed to init first LADSPA plugin");
return;
}
descriptor->cleanup(handle);
lib_close(libHandle);
libHandle = lib_open(filename);
if (libHandle == nullptr)
{
print_lib_error(filename);
return;
}
descFn = lib_symbol<LADSPA_Descriptor_Function>(libHandle, "ladspa_descriptor");
if (descFn == nullptr)
{
DISCOVERY_OUT("error", "Not a LADSPA plugin (#2)");
return;
}
}
}
unsigned long i = 0;
while ((descriptor = descFn(i++)) != nullptr)
{
if (descriptor->instantiate == nullptr)
{
DISCOVERY_OUT("error", "Plugin '" << descriptor->Name << "' has no instantiate()");
continue;
}
if (descriptor->cleanup == nullptr)
{
DISCOVERY_OUT("error", "Plugin '" << descriptor->Name << "' has no cleanup()");
continue;
}
if (descriptor->run == nullptr)
{
DISCOVERY_OUT("error", "Plugin '" << descriptor->Name << "' has no run()");
continue;
}
if (! LADSPA_IS_HARD_RT_CAPABLE(descriptor->Properties))
{
DISCOVERY_OUT("warning", "Plugin '" << descriptor->Name << "' is not hard real-time capable");
}
uint hints = 0x0;
uint audioIns = 0;
uint audioOuts = 0;
uint audioTotal = 0;
uint parametersIns = 0;
uint parametersOuts = 0;
uint parametersTotal = 0;
if (LADSPA_IS_HARD_RT_CAPABLE(descriptor->Properties))
hints |= PLUGIN_IS_RTSAFE;
for (unsigned long j=0; j < descriptor->PortCount; ++j)
{
CARLA_ASSERT(descriptor->PortNames[j] != nullptr);
const LADSPA_PortDescriptor portDescriptor = descriptor->PortDescriptors[j];
if (LADSPA_IS_PORT_AUDIO(portDescriptor))
{
if (LADSPA_IS_PORT_INPUT(portDescriptor))
audioIns += 1;
else if (LADSPA_IS_PORT_OUTPUT(portDescriptor))
audioOuts += 1;
audioTotal += 1;
}
else if (LADSPA_IS_PORT_CONTROL(portDescriptor))
{
if (LADSPA_IS_PORT_INPUT(portDescriptor))
parametersIns += 1;
else if (LADSPA_IS_PORT_OUTPUT(portDescriptor) && std::strcmp(descriptor->PortNames[j], "latency") != 0 && std::strcmp(descriptor->PortNames[j], "_latency") != 0)
parametersOuts += 1;
parametersTotal += 1;
}
}
if (doInit)
{
// -----------------------------------------------------------------------
// start crash-free plugin test
LADSPA_Handle handle = descriptor->instantiate(descriptor, kSampleRatei);
if (handle == nullptr)
{
DISCOVERY_OUT("error", "Failed to init LADSPA plugin");
continue;
}
// Test quick init and cleanup
descriptor->cleanup(handle);
handle = descriptor->instantiate(descriptor, kSampleRatei);
if (handle == nullptr)
{
DISCOVERY_OUT("error", "Failed to init LADSPA plugin (#2)");
continue;
}
LADSPA_Data bufferAudio[kBufferSize][audioTotal];
LADSPA_Data bufferParams[parametersTotal];
LADSPA_Data min, max, def;
for (unsigned long j=0, iA=0, iC=0; j < descriptor->PortCount; ++j)
{
const LADSPA_PortDescriptor portDescriptor = descriptor->PortDescriptors[j];
const LADSPA_PortRangeHint portRangeHints = descriptor->PortRangeHints[j];
const char* const portName = descriptor->PortNames[j];
if (LADSPA_IS_PORT_AUDIO(portDescriptor))
{
carla_zeroFloats(bufferAudio[iA], kBufferSize);
descriptor->connect_port(handle, j, bufferAudio[iA++]);
}
else if (LADSPA_IS_PORT_CONTROL(portDescriptor))
{
// min value
if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))
min = portRangeHints.LowerBound;
else
min = 0.0f;
// max value
if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))
max = portRangeHints.UpperBound;
else
max = 1.0f;
if (min > max)
{
DISCOVERY_OUT("warning", "Parameter '" << portName << "' is broken: min > max");
max = min + 0.1f;
}
else if (carla_isEqual(min, max))
{
DISCOVERY_OUT("warning", "Parameter '" << portName << "' is broken: max == min");
max = min + 0.1f;
}
// default value
def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);
if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))
{
min *= kSampleRatef;
max *= kSampleRatef;
def *= kSampleRatef;
}
if (LADSPA_IS_PORT_OUTPUT(portDescriptor) && (std::strcmp(portName, "latency") == 0 || std::strcmp(portName, "_latency") == 0))
{
// latency parameter
def = 0.0f;
}
else
{
if (def < min)
def = min;
else if (def > max)
def = max;
}
bufferParams[iC] = def;
descriptor->connect_port(handle, j, &bufferParams[iC++]);
}
}
if (descriptor->activate != nullptr)
descriptor->activate(handle);
descriptor->run(handle, kBufferSize);
if (descriptor->deactivate != nullptr)
descriptor->deactivate(handle);
descriptor->cleanup(handle);
// end crash-free plugin test
// -----------------------------------------------------------------------
}
DISCOVERY_OUT("init", "-----------");
DISCOVERY_OUT("build", BINARY_NATIVE);
DISCOVERY_OUT("hints", hints);
DISCOVERY_OUT("category", getPluginCategoryAsString(getPluginCategoryFromName(descriptor->Name)));
DISCOVERY_OUT("name", descriptor->Name);
DISCOVERY_OUT("label", descriptor->Label);
DISCOVERY_OUT("maker", descriptor->Maker);
DISCOVERY_OUT("uniqueId", descriptor->UniqueID);
DISCOVERY_OUT("audio.ins", audioIns);
DISCOVERY_OUT("audio.outs", audioOuts);
DISCOVERY_OUT("parameters.ins", parametersIns);
DISCOVERY_OUT("parameters.outs", parametersOuts);
DISCOVERY_OUT("end", "------------");
}
}
static void do_dssi_check(lib_t& libHandle, const char* const filename, const bool doInit)
{
DSSI_Descriptor_Function descFn = lib_symbol<DSSI_Descriptor_Function>(libHandle, "dssi_descriptor");
if (descFn == nullptr)
{
DISCOVERY_OUT("error", "Not a DSSI plugin");
return;
}
const DSSI_Descriptor* descriptor;
{
descriptor = descFn(0);
if (descriptor == nullptr)
{
DISCOVERY_OUT("error", "Binary doesn't contain any plugins");
return;
}
const LADSPA_Descriptor* const ldescriptor(descriptor->LADSPA_Plugin);
if (ldescriptor == nullptr)
{
DISCOVERY_OUT("error", "DSSI plugin doesn't provide the LADSPA interface");
return;
}
if (doInit && ldescriptor->instantiate != nullptr && ldescriptor->cleanup != nullptr)
{
LADSPA_Handle handle = ldescriptor->instantiate(ldescriptor, kSampleRatei);
if (handle == nullptr)
{
DISCOVERY_OUT("error", "Failed to init first LADSPA plugin");
return;
}
ldescriptor->cleanup(handle);
lib_close(libHandle);
libHandle = lib_open(filename);
if (libHandle == nullptr)
{
print_lib_error(filename);
return;
}
descFn = lib_symbol<DSSI_Descriptor_Function>(libHandle, "dssi_descriptor");
if (descFn == nullptr)
{
DISCOVERY_OUT("error", "Not a DSSI plugin (#2)");
return;
}
}
}
unsigned long i = 0;
while ((descriptor = descFn(i++)) != nullptr)
{
const LADSPA_Descriptor* const ldescriptor = descriptor->LADSPA_Plugin;
if (ldescriptor == nullptr)
{
DISCOVERY_OUT("error", "Plugin has no LADSPA interface");
continue;
}
if (descriptor->DSSI_API_Version != DSSI_VERSION_MAJOR)
{
DISCOVERY_OUT("error", "Plugin '" << ldescriptor->Name << "' uses an unsupported DSSI spec version " << descriptor->DSSI_API_Version);
continue;
}
if (ldescriptor->instantiate == nullptr)
{
DISCOVERY_OUT("error", "Plugin '" << ldescriptor->Name << "' has no instantiate()");
continue;
}
if (ldescriptor->cleanup == nullptr)
{
DISCOVERY_OUT("error", "Plugin '" << ldescriptor->Name << "' has no cleanup()");
continue;
}
if (ldescriptor->run == nullptr && descriptor->run_synth == nullptr)
{
DISCOVERY_OUT("error", "Plugin '" << ldescriptor->Name << "' has no run() or run_synth()");
continue;
}
if (descriptor->run_synth == nullptr && descriptor->run_multiple_synths != nullptr)
{
DISCOVERY_OUT("error", "Plugin '" << ldescriptor->Name << "' requires run_multiple_synths which is not supported");
continue;
}
if (! LADSPA_IS_HARD_RT_CAPABLE(ldescriptor->Properties))
{
DISCOVERY_OUT("warning", "Plugin '" << ldescriptor->Name << "' is not hard real-time capable");
}
uint hints = 0x0;
uint audioIns = 0;
uint audioOuts = 0;
uint audioTotal = 0;
uint midiIns = 0;
uint parametersIns = 0;
uint parametersOuts = 0;
uint parametersTotal = 0;
if (LADSPA_IS_HARD_RT_CAPABLE(ldescriptor->Properties))
hints |= PLUGIN_IS_RTSAFE;
for (unsigned long j=0; j < ldescriptor->PortCount; ++j)
{
CARLA_ASSERT(ldescriptor->PortNames[j] != nullptr);
const LADSPA_PortDescriptor portDescriptor = ldescriptor->PortDescriptors[j];
if (LADSPA_IS_PORT_AUDIO(portDescriptor))
{
if (LADSPA_IS_PORT_INPUT(portDescriptor))
audioIns += 1;
else if (LADSPA_IS_PORT_OUTPUT(portDescriptor))
audioOuts += 1;
audioTotal += 1;
}
else if (LADSPA_IS_PORT_CONTROL(portDescriptor))
{
if (LADSPA_IS_PORT_INPUT(portDescriptor))
parametersIns += 1;
else if (LADSPA_IS_PORT_OUTPUT(portDescriptor) && std::strcmp(ldescriptor->PortNames[j], "latency") != 0 && std::strcmp(ldescriptor->PortNames[j], "_latency") != 0)
parametersOuts += 1;
parametersTotal += 1;
}
}
if (descriptor->run_synth != nullptr)
midiIns = 1;
if (midiIns > 0 && audioIns == 0 && audioOuts > 0)
hints |= PLUGIN_IS_SYNTH;
#ifndef BUILD_BRIDGE
if (const char* const ui = find_dssi_ui(filename, ldescriptor->Label))
{
hints |= PLUGIN_HAS_CUSTOM_UI;
delete[] ui;
}
#endif
if (doInit)
{
// -----------------------------------------------------------------------
// start crash-free plugin test
LADSPA_Handle handle = ldescriptor->instantiate(ldescriptor, kSampleRatei);
if (handle == nullptr)
{
DISCOVERY_OUT("error", "Failed to init DSSI plugin");
continue;
}
// Test quick init and cleanup
ldescriptor->cleanup(handle);
handle = ldescriptor->instantiate(ldescriptor, kSampleRatei);
if (handle == nullptr)
{
DISCOVERY_OUT("error", "Failed to init DSSI plugin (#2)");
continue;
}
LADSPA_Data bufferAudio[kBufferSize][audioTotal];
LADSPA_Data bufferParams[parametersTotal];
LADSPA_Data min, max, def;
for (unsigned long j=0, iA=0, iC=0; j < ldescriptor->PortCount; ++j)
{
const LADSPA_PortDescriptor portDescriptor = ldescriptor->PortDescriptors[j];
const LADSPA_PortRangeHint portRangeHints = ldescriptor->PortRangeHints[j];
const char* const portName = ldescriptor->PortNames[j];
if (LADSPA_IS_PORT_AUDIO(portDescriptor))
{
carla_zeroFloats(bufferAudio[iA], kBufferSize);
ldescriptor->connect_port(handle, j, bufferAudio[iA++]);
}
else if (LADSPA_IS_PORT_CONTROL(portDescriptor))
{
// min value
if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))
min = portRangeHints.LowerBound;
else
min = 0.0f;
// max value
if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))
max = portRangeHints.UpperBound;
else
max = 1.0f;
if (min > max)
{
DISCOVERY_OUT("warning", "Parameter '" << portName << "' is broken: min > max");
max = min + 0.1f;
}
else if (carla_isEqual(min, max))
{
DISCOVERY_OUT("warning", "Parameter '" << portName << "' is broken: max == min");
max = min + 0.1f;
}
// default value
def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);
if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))
{
min *= kSampleRatef;
max *= kSampleRatef;
def *= kSampleRatef;
}
if (LADSPA_IS_PORT_OUTPUT(portDescriptor) && (std::strcmp(portName, "latency") == 0 || std::strcmp(portName, "_latency") == 0))
{
// latency parameter
def = 0.0f;
}
else
{
if (def < min)
def = min;
else if (def > max)
def = max;
}
bufferParams[iC] = def;
ldescriptor->connect_port(handle, j, &bufferParams[iC++]);
}
}
// select first midi-program if available
if (descriptor->get_program != nullptr && descriptor->select_program != nullptr)
{
if (const DSSI_Program_Descriptor* const pDesc = descriptor->get_program(handle, 0))
descriptor->select_program(handle, pDesc->Bank, pDesc->Program);
}
if (ldescriptor->activate != nullptr)
ldescriptor->activate(handle);
if (descriptor->run_synth != nullptr)
{
snd_seq_event_t midiEvents[2];
carla_zeroStructs(midiEvents, 2);
const unsigned long midiEventCount = 2;
midiEvents[0].type = SND_SEQ_EVENT_NOTEON;
midiEvents[0].data.note.note = 64;
midiEvents[0].data.note.velocity = 100;
midiEvents[1].type = SND_SEQ_EVENT_NOTEOFF;
midiEvents[1].data.note.note = 64;
midiEvents[1].data.note.velocity = 0;
midiEvents[1].time.tick = kBufferSize/2;
descriptor->run_synth(handle, kBufferSize, midiEvents, midiEventCount);
}
else
ldescriptor->run(handle, kBufferSize);
if (ldescriptor->deactivate != nullptr)
ldescriptor->deactivate(handle);
ldescriptor->cleanup(handle);
// end crash-free plugin test
// -----------------------------------------------------------------------
}
DISCOVERY_OUT("init", "-----------");
DISCOVERY_OUT("build", BINARY_NATIVE);
DISCOVERY_OUT("category", ((hints & PLUGIN_IS_SYNTH)
? "synth"
: getPluginCategoryAsString(getPluginCategoryFromName(ldescriptor->Name))));
DISCOVERY_OUT("hints", hints);
DISCOVERY_OUT("name", ldescriptor->Name);
DISCOVERY_OUT("label", ldescriptor->Label);
DISCOVERY_OUT("maker", ldescriptor->Maker);
DISCOVERY_OUT("uniqueId", ldescriptor->UniqueID);
DISCOVERY_OUT("audio.ins", audioIns);
DISCOVERY_OUT("audio.outs", audioOuts);
DISCOVERY_OUT("midi.ins", midiIns);
DISCOVERY_OUT("parameters.ins", parametersIns);
DISCOVERY_OUT("parameters.outs", parametersOuts);
DISCOVERY_OUT("end", "------------");
}
}
#ifndef BUILD_BRIDGE
static void do_lv2_check(const char* const bundle, const bool doInit)
{
Lv2WorldClass& lv2World(Lv2WorldClass::getInstance());
Lilv::Node bundleNode(lv2World.new_file_uri(nullptr, bundle));
CARLA_SAFE_ASSERT_RETURN(bundleNode.is_uri(),);
CarlaString sBundle(bundleNode.as_uri());
if (! sBundle.endsWith("/"))
sBundle += "/";
// Load bundle
lv2World.load_bundle(sBundle);
// Load plugins in this bundle
const Lilv::Plugins lilvPlugins(lv2World.get_all_plugins());
// Get all plugin URIs in this bundle
CarlaStringList URIs;
LILV_FOREACH(plugins, it, lilvPlugins)
{
Lilv::Plugin lilvPlugin(lilv_plugins_get(lilvPlugins, it));
if (const char* const uri = lilvPlugin.get_uri().as_string())
URIs.appendUnique(uri);
}
if (URIs.isEmpty())
{
DISCOVERY_OUT("warning", "LV2 Bundle doesn't provide any plugins");
return;
}
// Get & check every plugin-instance
for (CarlaStringList::Itenerator it=URIs.begin2(); it.valid(); it.next())
{
const char* const URI = it.getValue(nullptr);
CARLA_SAFE_ASSERT_CONTINUE(URI != nullptr);
CarlaScopedPointer<const LV2_RDF_Descriptor> rdfDescriptor(lv2_rdf_new(URI, false));
if (rdfDescriptor == nullptr || rdfDescriptor->URI == nullptr)
{
DISCOVERY_OUT("error", "Failed to find LV2 plugin '" << URI << "'");
continue;
}
if (doInit)
{
// test if lib is loadable, twice
const lib_t libHandle1 = lib_open(rdfDescriptor->Binary);
if (libHandle1 == nullptr)
{
print_lib_error(rdfDescriptor->Binary);
delete rdfDescriptor;
continue;
}
lib_close(libHandle1);
const lib_t libHandle2 = lib_open(rdfDescriptor->Binary);
if (libHandle2 == nullptr)
{
print_lib_error(rdfDescriptor->Binary);
delete rdfDescriptor;
continue;
}
lib_close(libHandle2);
}
const LilvPlugin* const cPlugin(lv2World.getPluginFromURI(URI));
CARLA_SAFE_ASSERT_CONTINUE(cPlugin != nullptr);
Lilv::Plugin lilvPlugin(cPlugin);
CARLA_SAFE_ASSERT_CONTINUE(lilvPlugin.get_uri().is_uri());
print_cached_plugin(get_cached_plugin_lv2(lv2World, lilvPlugin));
}
}
#endif
#ifndef USING_JUCE_FOR_VST2
// -------------------------------------------------------------------------------------------------------------------
// VST stuff
// Check if plugin is currently processing
static bool gVstIsProcessing = false;
// Check if plugin needs idle
static bool gVstNeedsIdle = false;
// Check if plugin wants midi
static bool gVstWantsMidi = false;
// Check if plugin wants time
static bool gVstWantsTime = false;
// Current uniqueId for VST shell plugins
static intptr_t gVstCurrentUniqueId = 0;
// Supported Carla features
static intptr_t vstHostCanDo(const char* const feature)
{
carla_debug("vstHostCanDo(\"%s\")", feature);
if (std::strcmp(feature, "supplyIdle") == 0)
return 1;
if (std::strcmp(feature, "sendVstEvents") == 0)
return 1;
if (std::strcmp(feature, "sendVstMidiEvent") == 0)
return 1;
if (std::strcmp(feature, "sendVstMidiEventFlagIsRealtime") == 0)
return 1;
if (std::strcmp(feature, "sendVstTimeInfo") == 0)
{
gVstWantsTime = true;
return 1;
}
if (std::strcmp(feature, "receiveVstEvents") == 0)
return 1;
if (std::strcmp(feature, "receiveVstMidiEvent") == 0)
return 1;
if (std::strcmp(feature, "receiveVstTimeInfo") == 0)
return -1;
if (std::strcmp(feature, "reportConnectionChanges") == 0)
return -1;
if (std::strcmp(feature, "acceptIOChanges") == 0)
return 1;
if (std::strcmp(feature, "sizeWindow") == 0)
return 1;
if (std::strcmp(feature, "offline") == 0)
return -1;
if (std::strcmp(feature, "openFileSelector") == 0)
return -1;
if (std::strcmp(feature, "closeFileSelector") == 0)
return -1;
if (std::strcmp(feature, "startStopProcess") == 0)
return 1;
if (std::strcmp(feature, "supportShell") == 0)
return 1;
if (std::strcmp(feature, "shellCategory") == 0)
return 1;
if (std::strcmp(feature, "NIMKPIVendorSpecificCallbacks") == 0)
return -1;
// non-official features found in some plugins:
// "asyncProcessing"
// "editFile"
// unimplemented
carla_stderr("vstHostCanDo(\"%s\") - unknown feature", feature);
return 0;
}
// Host-side callback
static intptr_t VSTCALLBACK vstHostCallback(AEffect* const effect, const int32_t opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)
{
carla_debug("vstHostCallback(%p, %i:%s, %i, " P_INTPTR ", %p, %f)",
effect, opcode, vstMasterOpcode2str(opcode), index, value, ptr, static_cast<double>(opt));
static VstTimeInfo timeInfo;
intptr_t ret = 0;
switch (opcode)
{
case audioMasterAutomate:
ret = 1;
break;
case audioMasterVersion:
ret = kVstVersion;
break;
case audioMasterCurrentId:
ret = gVstCurrentUniqueId;
break;
case DECLARE_VST_DEPRECATED(audioMasterWantMidi):
if (gVstWantsMidi) { DISCOVERY_OUT("warning", "Plugin requested MIDI more than once"); }
gVstWantsMidi = true;
ret = 1;
break;
case audioMasterGetTime:
if (! gVstIsProcessing) { DISCOVERY_OUT("warning", "Plugin requested timeInfo out of process"); }
if (! gVstWantsTime) { DISCOVERY_OUT("warning", "Plugin requested timeInfo but didn't ask if host could do \"sendVstTimeInfo\""); }
carla_zeroStruct(timeInfo);
timeInfo.sampleRate = kSampleRate;
// Tempo
timeInfo.tempo = 120.0;
timeInfo.flags |= kVstTempoValid;
// Time Signature
timeInfo.timeSigNumerator = 4;
timeInfo.timeSigDenominator = 4;
timeInfo.flags |= kVstTimeSigValid;
ret = (intptr_t)&timeInfo;
break;
case DECLARE_VST_DEPRECATED(audioMasterTempoAt):
ret = 120 * 10000;
break;
case DECLARE_VST_DEPRECATED(audioMasterGetNumAutomatableParameters):
ret = carla_minPositive(effect->numParams, static_cast<int>(MAX_DEFAULT_PARAMETERS));
break;
case DECLARE_VST_DEPRECATED(audioMasterGetParameterQuantization):
ret = 1; // full single float precision
break;
case DECLARE_VST_DEPRECATED(audioMasterNeedIdle):
if (gVstNeedsIdle) { DISCOVERY_OUT("warning", "Plugin requested idle more than once"); }
gVstNeedsIdle = true;
ret = 1;
break;
case audioMasterGetSampleRate:
ret = kSampleRatei;
break;
case audioMasterGetBlockSize:
ret = kBufferSize;
break;
case DECLARE_VST_DEPRECATED(audioMasterWillReplaceOrAccumulate):
ret = 1; // replace
break;
case audioMasterGetCurrentProcessLevel:
ret = gVstIsProcessing ? kVstProcessLevelRealtime : kVstProcessLevelUser;
break;
case audioMasterGetAutomationState:
ret = kVstAutomationOff;
break;
case audioMasterGetVendorString:
CARLA_SAFE_ASSERT_BREAK(ptr != nullptr);
std::strcpy((char*)ptr, "falkTX");
ret = 1;
break;
case audioMasterGetProductString:
CARLA_SAFE_ASSERT_BREAK(ptr != nullptr);
std::strcpy((char*)ptr, "Carla-Discovery");
ret = 1;
break;
case audioMasterGetVendorVersion:
ret = CARLA_VERSION_HEX;
break;
case audioMasterCanDo:
CARLA_SAFE_ASSERT_BREAK(ptr != nullptr);
ret = vstHostCanDo((const char*)ptr);
break;
case audioMasterGetLanguage:
ret = kVstLangEnglish;
break;
default:
carla_stdout("vstHostCallback(%p, %i:%s, %i, " P_INTPTR ", %p, %f)",
effect, opcode, vstMasterOpcode2str(opcode), index, value, ptr, static_cast<double>(opt));
break;
}
return ret;
}
static void do_vst2_check(lib_t& libHandle, const char* const filename, const bool doInit)
{
VST_Function vstFn = nullptr;
#ifdef CARLA_OS_MAC
BundleLoader bundleLoader;