/
CarlaPluginLV2.cpp
7356 lines (6032 loc) · 269 KB
/
CarlaPluginLV2.cpp
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/*
* Carla LV2 Plugin
* Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>
*
* 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.
*/
// testing macros
// #define LV2_UIS_ONLY_BRIDGES
// #define LV2_UIS_ONLY_INPROCESS
#include "CarlaPluginInternal.hpp"
#include "CarlaEngine.hpp"
#include "CarlaLv2Utils.hpp"
#include "CarlaBackendUtils.hpp"
#include "CarlaBase64Utils.hpp"
#include "CarlaEngineUtils.hpp"
#include "CarlaPipeUtils.hpp"
#include "CarlaPluginUI.hpp"
#include "CarlaScopeUtils.hpp"
#include "Lv2AtomRingBuffer.hpp"
#include "../modules/lilv/config/lilv_config.h"
extern "C" {
#include "rtmempool/rtmempool-lv2.h"
}
#include "water/files/File.h"
#include "water/misc/Time.h"
#include <string>
#include <vector>
using water::File;
#define URI_CARLA_ATOM_WORKER_IN "http://kxstudio.sf.net/ns/carla/atomWorkerIn"
#define URI_CARLA_ATOM_WORKER_RESP "http://kxstudio.sf.net/ns/carla/atomWorkerResp"
CARLA_BACKEND_START_NAMESPACE
// -------------------------------------------------------------------------------------------------------------------
// Fallback data
static const CustomData kCustomDataFallback = { nullptr, nullptr, nullptr };
static /* */ CustomData kCustomDataFallbackNC = { nullptr, nullptr, nullptr };
static const ExternalMidiNote kExternalMidiNoteFallback = { -1, 0, 0 };
static const char* const kUnmapFallback = "urn:null";
// -------------------------------------------------------------------------------------------------------------------
// Maximum default buffer size
const uint MAX_DEFAULT_BUFFER_SIZE = 8192; // 0x2000
// Extra Plugin Hints
const uint PLUGIN_HAS_EXTENSION_OPTIONS = 0x01000;
const uint PLUGIN_HAS_EXTENSION_PROGRAMS = 0x02000;
const uint PLUGIN_HAS_EXTENSION_STATE = 0x04000;
const uint PLUGIN_HAS_EXTENSION_WORKER = 0x08000;
const uint PLUGIN_HAS_EXTENSION_INLINE_DISPLAY = 0x10000;
const uint PLUGIN_HAS_EXTENSION_MIDNAM = 0x20000;
// LV2 Event Data/Types
const uint CARLA_EVENT_DATA_ATOM = 0x01;
const uint CARLA_EVENT_DATA_EVENT = 0x02;
const uint CARLA_EVENT_DATA_MIDI_LL = 0x04;
const uint CARLA_EVENT_TYPE_MESSAGE = 0x10; // unused
const uint CARLA_EVENT_TYPE_MIDI = 0x20;
const uint CARLA_EVENT_TYPE_TIME = 0x40;
// LV2 URI Map Ids
enum CarlaLv2URIDs {
kUridNull = 0,
kUridAtomBlank,
kUridAtomBool,
kUridAtomChunk,
kUridAtomDouble,
kUridAtomEvent,
kUridAtomFloat,
kUridAtomInt,
kUridAtomLiteral,
kUridAtomLong,
kUridAtomNumber,
kUridAtomObject,
kUridAtomPath,
kUridAtomProperty,
kUridAtomResource,
kUridAtomSequence,
kUridAtomSound,
kUridAtomString,
kUridAtomTuple,
kUridAtomURI,
kUridAtomURID,
kUridAtomVector,
kUridAtomTransferAtom,
kUridAtomTransferEvent,
kUridBufMaxLength,
kUridBufMinLength,
kUridBufNominalLength,
kUridBufSequenceSize,
kUridLogError,
kUridLogNote,
kUridLogTrace,
kUridLogWarning,
kUridPatchSet,
kUridPatchPoperty,
kUridPatchValue,
// time base type
kUridTimePosition,
// time values
kUridTimeBar,
kUridTimeBarBeat,
kUridTimeBeat,
kUridTimeBeatUnit,
kUridTimeBeatsPerBar,
kUridTimeBeatsPerMinute,
kUridTimeFrame,
kUridTimeFramesPerSecond,
kUridTimeSpeed,
kUridTimeTicksPerBeat,
kUridMidiEvent,
kUridParamSampleRate,
// ui stuff
kUridBackgroundColor,
kUridForegroundColor,
kUridScaleFactor,
kUridWindowTitle,
// custom carla props
kUridCarlaAtomWorkerIn,
kUridCarlaAtomWorkerResp,
kUridCarlaTransientWindowId,
// count
kUridCount
};
// LV2 Feature Ids
enum CarlaLv2Features {
// DSP features
kFeatureIdBufSizeBounded = 0,
kFeatureIdBufSizeFixed,
kFeatureIdBufSizePowerOf2,
kFeatureIdEvent,
kFeatureIdHardRtCapable,
kFeatureIdInPlaceBroken,
kFeatureIdIsLive,
kFeatureIdLogs,
kFeatureIdOptions,
kFeatureIdPrograms,
kFeatureIdResizePort,
kFeatureIdRtMemPool,
kFeatureIdRtMemPoolOld,
kFeatureIdStateMakePath,
kFeatureIdStateMapPath,
kFeatureIdStrictBounds,
kFeatureIdUriMap,
kFeatureIdUridMap,
kFeatureIdUridUnmap,
kFeatureIdWorker,
kFeatureIdInlineDisplay,
kFeatureIdMidnam,
kFeatureCountPlugin,
// UI features
kFeatureIdUiDataAccess = kFeatureCountPlugin,
kFeatureIdUiInstanceAccess,
kFeatureIdUiIdleInterface,
kFeatureIdUiFixedSize,
kFeatureIdUiMakeResident,
kFeatureIdUiMakeResident2,
kFeatureIdUiNoUserResize,
kFeatureIdUiParent,
kFeatureIdUiPortMap,
kFeatureIdUiPortSubscribe,
kFeatureIdUiResize,
kFeatureIdUiRequestParameter,
kFeatureIdUiTouch,
kFeatureIdExternalUi,
kFeatureIdExternalUiOld,
kFeatureCountAll
};
// -------------------------------------------------------------------------------------------------------------------
struct Lv2EventData {
uint32_t type;
uint32_t rindex;
CarlaEngineEventPort* port;
union {
LV2_Atom_Buffer* atom;
LV2_Event_Buffer* event;
LV2_MIDI midi;
};
Lv2EventData() noexcept
: type(0x0),
rindex(0),
port(nullptr) {}
~Lv2EventData() noexcept
{
if (port != nullptr)
{
delete port;
port = nullptr;
}
const uint32_t rtype(type);
type = 0x0;
if (rtype & CARLA_EVENT_DATA_ATOM)
{
CARLA_SAFE_ASSERT_RETURN(atom != nullptr,);
std::free(atom);
atom = nullptr;
}
else if (rtype & CARLA_EVENT_DATA_EVENT)
{
CARLA_SAFE_ASSERT_RETURN(event != nullptr,);
std::free(event);
event = nullptr;
}
else if (rtype & CARLA_EVENT_DATA_MIDI_LL)
{
CARLA_SAFE_ASSERT_RETURN(midi.data != nullptr,);
delete[] midi.data;
midi.data = nullptr;
}
}
CARLA_DECLARE_NON_COPY_STRUCT(Lv2EventData)
};
struct CarlaPluginLV2EventData {
uint32_t count;
Lv2EventData* data;
Lv2EventData* ctrl; // default port, either this->data[x] or pData->portIn/Out
uint32_t ctrlIndex;
CarlaPluginLV2EventData() noexcept
: count(0),
data(nullptr),
ctrl(nullptr),
ctrlIndex(0) {}
~CarlaPluginLV2EventData() noexcept
{
CARLA_SAFE_ASSERT_INT(count == 0, count);
CARLA_SAFE_ASSERT(data == nullptr);
CARLA_SAFE_ASSERT(ctrl == nullptr);
CARLA_SAFE_ASSERT_INT(ctrlIndex == 0, ctrlIndex);
}
void createNew(const uint32_t newCount)
{
CARLA_SAFE_ASSERT_INT(count == 0, count);
CARLA_SAFE_ASSERT_INT(ctrlIndex == 0, ctrlIndex);
CARLA_SAFE_ASSERT_RETURN(data == nullptr,);
CARLA_SAFE_ASSERT_RETURN(ctrl == nullptr,);
CARLA_SAFE_ASSERT_RETURN(newCount > 0,);
data = new Lv2EventData[newCount];
count = newCount;
ctrl = nullptr;
ctrlIndex = 0;
}
void clear() noexcept
{
if (data != nullptr)
{
for (uint32_t i=0; i < count; ++i)
{
if (data[i].port != nullptr && ctrl != nullptr && data[i].port == ctrl->port)
data[i].port = nullptr;
}
delete[] data;
data = nullptr;
}
count = 0;
ctrl = nullptr;
ctrlIndex = 0;
}
void initBuffers() const noexcept
{
for (uint32_t i=0; i < count; ++i)
{
if (data[i].port != nullptr && (ctrl == nullptr || data[i].port != ctrl->port))
data[i].port->initBuffer();
}
}
CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2EventData)
};
// -------------------------------------------------------------------------------------------------------------------
struct CarlaPluginLV2Options {
enum OptIndex {
MaxBlockLenth = 0,
MinBlockLenth,
NominalBlockLenth,
SequenceSize,
SampleRate,
TransientWinId,
BackgroundColor,
ForegroundColor,
ScaleFactor,
WindowTitle,
Null,
Count
};
int maxBufferSize;
int minBufferSize;
int nominalBufferSize;
int sequenceSize;
float sampleRate;
int64_t transientWinId;
uint32_t bgColor;
uint32_t fgColor;
float uiScale;
const char* windowTitle;
LV2_Options_Option opts[Count];
CarlaPluginLV2Options() noexcept
: maxBufferSize(0),
minBufferSize(0),
nominalBufferSize(0),
sequenceSize(MAX_DEFAULT_BUFFER_SIZE),
sampleRate(0.0),
transientWinId(0),
bgColor(0x000000ff),
fgColor(0xffffffff),
uiScale(1.0f),
windowTitle(nullptr)
{
LV2_Options_Option& optMaxBlockLenth(opts[MaxBlockLenth]);
optMaxBlockLenth.context = LV2_OPTIONS_INSTANCE;
optMaxBlockLenth.subject = 0;
optMaxBlockLenth.key = kUridBufMaxLength;
optMaxBlockLenth.size = sizeof(int);
optMaxBlockLenth.type = kUridAtomInt;
optMaxBlockLenth.value = &maxBufferSize;
LV2_Options_Option& optMinBlockLenth(opts[MinBlockLenth]);
optMinBlockLenth.context = LV2_OPTIONS_INSTANCE;
optMinBlockLenth.subject = 0;
optMinBlockLenth.key = kUridBufMinLength;
optMinBlockLenth.size = sizeof(int);
optMinBlockLenth.type = kUridAtomInt;
optMinBlockLenth.value = &minBufferSize;
LV2_Options_Option& optNominalBlockLenth(opts[NominalBlockLenth]);
optNominalBlockLenth.context = LV2_OPTIONS_INSTANCE;
optNominalBlockLenth.subject = 0;
optNominalBlockLenth.key = kUridBufNominalLength;
optNominalBlockLenth.size = sizeof(int);
optNominalBlockLenth.type = kUridAtomInt;
optNominalBlockLenth.value = &nominalBufferSize;
LV2_Options_Option& optSequenceSize(opts[SequenceSize]);
optSequenceSize.context = LV2_OPTIONS_INSTANCE;
optSequenceSize.subject = 0;
optSequenceSize.key = kUridBufSequenceSize;
optSequenceSize.size = sizeof(int);
optSequenceSize.type = kUridAtomInt;
optSequenceSize.value = &sequenceSize;
LV2_Options_Option& optBackgroundColor(opts[BackgroundColor]);
optBackgroundColor.context = LV2_OPTIONS_INSTANCE;
optBackgroundColor.subject = 0;
optBackgroundColor.key = kUridBackgroundColor;
optBackgroundColor.size = sizeof(int32_t);
optBackgroundColor.type = kUridAtomInt;
optBackgroundColor.value = &bgColor;
LV2_Options_Option& optForegroundColor(opts[ForegroundColor]);
optForegroundColor.context = LV2_OPTIONS_INSTANCE;
optForegroundColor.subject = 0;
optForegroundColor.key = kUridForegroundColor;
optForegroundColor.size = sizeof(int32_t);
optForegroundColor.type = kUridAtomInt;
optForegroundColor.value = &fgColor;
LV2_Options_Option& optScaleFactor(opts[ScaleFactor]);
optScaleFactor.context = LV2_OPTIONS_INSTANCE;
optScaleFactor.subject = 0;
optScaleFactor.key = kUridScaleFactor;
optScaleFactor.size = sizeof(float);
optScaleFactor.type = kUridAtomFloat;
optScaleFactor.value = &uiScale;
LV2_Options_Option& optSampleRate(opts[SampleRate]);
optSampleRate.context = LV2_OPTIONS_INSTANCE;
optSampleRate.subject = 0;
optSampleRate.key = kUridParamSampleRate;
optSampleRate.size = sizeof(float);
optSampleRate.type = kUridAtomFloat;
optSampleRate.value = &sampleRate;
LV2_Options_Option& optTransientWinId(opts[TransientWinId]);
optTransientWinId.context = LV2_OPTIONS_INSTANCE;
optTransientWinId.subject = 0;
optTransientWinId.key = kUridCarlaTransientWindowId;
optTransientWinId.size = sizeof(int64_t);
optTransientWinId.type = kUridAtomLong;
optTransientWinId.value = &transientWinId;
LV2_Options_Option& optWindowTitle(opts[WindowTitle]);
optWindowTitle.context = LV2_OPTIONS_INSTANCE;
optWindowTitle.subject = 0;
optWindowTitle.key = kUridWindowTitle;
optWindowTitle.size = 0;
optWindowTitle.type = kUridAtomString;
optWindowTitle.value = nullptr;
LV2_Options_Option& optNull(opts[Null]);
optNull.context = LV2_OPTIONS_INSTANCE;
optNull.subject = 0;
optNull.key = kUridNull;
optNull.size = 0;
optNull.type = kUridNull;
optNull.value = nullptr;
}
~CarlaPluginLV2Options() noexcept
{
LV2_Options_Option& optWindowTitle(opts[WindowTitle]);
optWindowTitle.size = 0;
optWindowTitle.value = nullptr;
if (windowTitle != nullptr)
{
delete[] windowTitle;
windowTitle = nullptr;
}
}
CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2Options);
};
// -------------------------------------------------------------------------------------------------------------------
class CarlaPluginLV2;
class CarlaPipeServerLV2 : public CarlaPipeServer
{
public:
enum UiState {
UiNone = 0,
UiHide,
UiShow,
UiCrashed
};
CarlaPipeServerLV2(CarlaEngine* const engine, CarlaPluginLV2* const plugin)
: kEngine(engine),
kPlugin(plugin),
fFilename(),
fPluginURI(),
fUiURI(),
fUiState(UiNone) {}
~CarlaPipeServerLV2() noexcept override
{
CARLA_SAFE_ASSERT_INT(fUiState == UiNone, fUiState);
}
UiState getAndResetUiState() noexcept
{
const UiState uiState(fUiState);
fUiState = UiNone;
return uiState;
}
void setData(const char* const filename, const char* const pluginURI, const char* const uiURI) noexcept
{
fFilename = filename;
fPluginURI = pluginURI;
fUiURI = uiURI;
}
bool startPipeServer(const int size) noexcept
{
char sampleRateStr[32];
{
const CarlaScopedLocale csl;
std::snprintf(sampleRateStr, 31, "%.12g", kEngine->getSampleRate());
}
sampleRateStr[31] = '\0';
const ScopedEngineEnvironmentLocker _seel(kEngine);
const CarlaScopedEnvVar _sev1("LV2_PATH", kEngine->getOptions().pathLV2);
#ifdef CARLA_OS_LINUX
const CarlaScopedEnvVar _sev2("LD_PRELOAD", nullptr);
#endif
carla_setenv("CARLA_SAMPLE_RATE", sampleRateStr);
return CarlaPipeServer::startPipeServer(fFilename, fPluginURI, fUiURI, size);
}
void writeUiTitleMessage(const char* const title) const noexcept
{
CARLA_SAFE_ASSERT_RETURN(title != nullptr && title[0] != '\0',);
const CarlaMutexLocker cml(getPipeLock());
if (! _writeMsgBuffer("uiTitle\n", 8))
return;
if (! writeAndFixMessage(title))
return;
flushMessages();
}
protected:
// returns true if msg was handled
bool msgReceived(const char* const msg) noexcept override;
private:
CarlaEngine* const kEngine;
CarlaPluginLV2* const kPlugin;
CarlaString fFilename;
CarlaString fPluginURI;
CarlaString fUiURI;
UiState fUiState;
CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPipeServerLV2)
};
// -------------------------------------------------------------------------------------------------------------------
class CarlaPluginLV2 : public CarlaPlugin,
private CarlaPluginUI::Callback
{
public:
CarlaPluginLV2(CarlaEngine* const engine, const uint id)
: CarlaPlugin(engine, id),
fHandle(nullptr),
fHandle2(nullptr),
fDescriptor(nullptr),
fRdfDescriptor(nullptr),
fAudioInBuffers(nullptr),
fAudioOutBuffers(nullptr),
fCvInBuffers(nullptr),
fCvOutBuffers(nullptr),
fParamBuffers(nullptr),
fNeedsFixedBuffers(false),
fNeedsUiClose(false),
fInlineDisplayNeedsRedraw(false),
fInlineDisplayLastRedrawTime(0),
fLatencyIndex(-1),
fStrictBounds(-1),
fAtomBufferEvIn(),
fAtomBufferUiOut(),
fAtomBufferWorkerIn(),
fAtomBufferWorkerResp(),
fAtomForge(),
fAtomBufferUiOutTmpData(nullptr),
fAtomBufferWorkerInTmpData(nullptr),
fEventsIn(),
fEventsOut(),
fLv2Options(),
fPipeServer(engine, this),
fCustomURIDs(kUridCount, std::string("urn:null")),
fFirstActive(true),
fLastStateChunk(nullptr),
fLastTimeInfo(),
fFilePathURI(),
fExt(),
fUI()
{
carla_debug("CarlaPluginLV2::CarlaPluginLV2(%p, %i)", engine, id);
CARLA_SAFE_ASSERT(fCustomURIDs.size() == kUridCount);
carla_zeroPointers(fFeatures, kFeatureCountAll+1);
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wdeprecated-declarations"
#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
fAtomForge.Blank = kUridAtomBlank;
fAtomForge.Bool = kUridAtomBool;
fAtomForge.Chunk = kUridAtomChunk;
fAtomForge.Double = kUridAtomDouble;
fAtomForge.Float = kUridAtomFloat;
fAtomForge.Int = kUridAtomInt;
fAtomForge.Literal = kUridAtomLiteral;
fAtomForge.Long = kUridAtomLong;
fAtomForge.Object = kUridAtomObject;
fAtomForge.Path = kUridAtomPath;
fAtomForge.Property = kUridAtomProperty;
fAtomForge.Resource = kUridAtomResource;
fAtomForge.Sequence = kUridAtomSequence;
fAtomForge.String = kUridAtomString;
fAtomForge.Tuple = kUridAtomTuple;
fAtomForge.URI = kUridAtomURI;
fAtomForge.URID = kUridAtomURID;
fAtomForge.Vector = kUridAtomVector;
#if defined(__clang__)
# pragma clang diagnostic pop
#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
# pragma GCC diagnostic pop
#endif
}
~CarlaPluginLV2() override
{
carla_debug("CarlaPluginLV2::~CarlaPluginLV2()");
fInlineDisplayNeedsRedraw = false;
// close UI
if (fUI.type != UI::TYPE_NULL)
{
showCustomUI(false);
if (fUI.type == UI::TYPE_BRIDGE)
{
fPipeServer.stopPipeServer(pData->engine->getOptions().uiBridgesTimeout);
}
else
{
if (fFeatures[kFeatureIdUiDataAccess] != nullptr && fFeatures[kFeatureIdUiDataAccess]->data != nullptr)
delete (LV2_Extension_Data_Feature*)fFeatures[kFeatureIdUiDataAccess]->data;
if (fFeatures[kFeatureIdUiPortMap] != nullptr && fFeatures[kFeatureIdUiPortMap]->data != nullptr)
delete (LV2UI_Port_Map*)fFeatures[kFeatureIdUiPortMap]->data;
if (fFeatures[kFeatureIdUiRequestParameter] != nullptr && fFeatures[kFeatureIdUiRequestParameter]->data != nullptr)
delete (LV2UI_Request_Parameter*)fFeatures[kFeatureIdUiRequestParameter]->data;
if (fFeatures[kFeatureIdUiResize] != nullptr && fFeatures[kFeatureIdUiResize]->data != nullptr)
delete (LV2UI_Resize*)fFeatures[kFeatureIdUiResize]->data;
if (fFeatures[kFeatureIdUiTouch] != nullptr && fFeatures[kFeatureIdUiTouch]->data != nullptr)
delete (LV2UI_Touch*)fFeatures[kFeatureIdUiTouch]->data;
if (fFeatures[kFeatureIdExternalUi] != nullptr && fFeatures[kFeatureIdExternalUi]->data != nullptr)
delete (LV2_External_UI_Host*)fFeatures[kFeatureIdExternalUi]->data;
fUI.descriptor = nullptr;
pData->uiLibClose();
}
#ifndef LV2_UIS_ONLY_BRIDGES
if (fUI.window != nullptr)
{
delete fUI.window;
fUI.window = nullptr;
}
#endif
fUI.rdfDescriptor = nullptr;
}
pData->singleMutex.lock();
pData->masterMutex.lock();
if (pData->client != nullptr && pData->client->isActive())
pData->client->deactivate();
if (pData->active)
{
deactivate();
pData->active = false;
}
if (fDescriptor != nullptr)
{
if (fDescriptor->cleanup != nullptr)
{
if (fHandle != nullptr)
fDescriptor->cleanup(fHandle);
if (fHandle2 != nullptr)
fDescriptor->cleanup(fHandle2);
}
fHandle = nullptr;
fHandle2 = nullptr;
fDescriptor = nullptr;
}
if (fRdfDescriptor != nullptr)
{
delete fRdfDescriptor;
fRdfDescriptor = nullptr;
}
if (fFeatures[kFeatureIdEvent] != nullptr && fFeatures[kFeatureIdEvent]->data != nullptr)
delete (LV2_Event_Feature*)fFeatures[kFeatureIdEvent]->data;
if (fFeatures[kFeatureIdLogs] != nullptr && fFeatures[kFeatureIdLogs]->data != nullptr)
delete (LV2_Log_Log*)fFeatures[kFeatureIdLogs]->data;
if (fFeatures[kFeatureIdStateMakePath] != nullptr && fFeatures[kFeatureIdStateMakePath]->data != nullptr)
delete (LV2_State_Make_Path*)fFeatures[kFeatureIdStateMakePath]->data;
if (fFeatures[kFeatureIdStateMapPath] != nullptr && fFeatures[kFeatureIdStateMapPath]->data != nullptr)
delete (LV2_State_Map_Path*)fFeatures[kFeatureIdStateMapPath]->data;
if (fFeatures[kFeatureIdPrograms] != nullptr && fFeatures[kFeatureIdPrograms]->data != nullptr)
delete (LV2_Programs_Host*)fFeatures[kFeatureIdPrograms]->data;
if (fFeatures[kFeatureIdResizePort] != nullptr && fFeatures[kFeatureIdResizePort]->data != nullptr)
delete (LV2_Resize_Port_Resize*)fFeatures[kFeatureIdResizePort]->data;
if (fFeatures[kFeatureIdRtMemPool] != nullptr && fFeatures[kFeatureIdRtMemPool]->data != nullptr)
delete (LV2_RtMemPool_Pool*)fFeatures[kFeatureIdRtMemPool]->data;
if (fFeatures[kFeatureIdRtMemPoolOld] != nullptr && fFeatures[kFeatureIdRtMemPoolOld]->data != nullptr)
delete (LV2_RtMemPool_Pool_Deprecated*)fFeatures[kFeatureIdRtMemPoolOld]->data;
if (fFeatures[kFeatureIdUriMap] != nullptr && fFeatures[kFeatureIdUriMap]->data != nullptr)
delete (LV2_URI_Map_Feature*)fFeatures[kFeatureIdUriMap]->data;
if (fFeatures[kFeatureIdUridMap] != nullptr && fFeatures[kFeatureIdUridMap]->data != nullptr)
delete (LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data;
if (fFeatures[kFeatureIdUridUnmap] != nullptr && fFeatures[kFeatureIdUridUnmap]->data != nullptr)
delete (LV2_URID_Unmap*)fFeatures[kFeatureIdUridUnmap]->data;
if (fFeatures[kFeatureIdWorker] != nullptr && fFeatures[kFeatureIdWorker]->data != nullptr)
delete (LV2_Worker_Schedule*)fFeatures[kFeatureIdWorker]->data;
if (fFeatures[kFeatureIdInlineDisplay] != nullptr && fFeatures[kFeatureIdInlineDisplay]->data != nullptr)
delete (LV2_Inline_Display*)fFeatures[kFeatureIdInlineDisplay]->data;
for (uint32_t i=0; i < kFeatureCountAll; ++i)
{
if (fFeatures[i] != nullptr)
{
delete fFeatures[i];
fFeatures[i] = nullptr;
}
}
if (fLastStateChunk != nullptr)
{
std::free(fLastStateChunk);
fLastStateChunk = nullptr;
}
if (fAtomBufferUiOutTmpData != nullptr)
{
delete[] fAtomBufferUiOutTmpData;
fAtomBufferUiOutTmpData = nullptr;
}
if (fAtomBufferWorkerInTmpData != nullptr)
{
delete[] fAtomBufferWorkerInTmpData;
fAtomBufferWorkerInTmpData = nullptr;
}
clearBuffers();
}
// -------------------------------------------------------------------
// Information (base)
PluginType getType() const noexcept override
{
return PLUGIN_LV2;
}
PluginCategory getCategory() const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, CarlaPlugin::getCategory());
const LV2_Property cat1(fRdfDescriptor->Type[0]);
const LV2_Property cat2(fRdfDescriptor->Type[1]);
if (LV2_IS_DELAY(cat1, cat2))
return PLUGIN_CATEGORY_DELAY;
if (LV2_IS_DISTORTION(cat1, cat2))
return PLUGIN_CATEGORY_OTHER;
if (LV2_IS_DYNAMICS(cat1, cat2))
return PLUGIN_CATEGORY_DYNAMICS;
if (LV2_IS_EQ(cat1, cat2))
return PLUGIN_CATEGORY_EQ;
if (LV2_IS_FILTER(cat1, cat2))
return PLUGIN_CATEGORY_FILTER;
if (LV2_IS_GENERATOR(cat1, cat2))
return PLUGIN_CATEGORY_SYNTH;
if (LV2_IS_MODULATOR(cat1, cat2))
return PLUGIN_CATEGORY_MODULATOR;
if (LV2_IS_REVERB(cat1, cat2))
return PLUGIN_CATEGORY_DELAY;
if (LV2_IS_SIMULATOR(cat1, cat2))
return PLUGIN_CATEGORY_OTHER;
if (LV2_IS_SPATIAL(cat1, cat2))
return PLUGIN_CATEGORY_OTHER;
if (LV2_IS_SPECTRAL(cat1, cat2))
return PLUGIN_CATEGORY_UTILITY;
if (LV2_IS_UTILITY(cat1, cat2))
return PLUGIN_CATEGORY_UTILITY;
return CarlaPlugin::getCategory();
}
uint32_t getLatencyInFrames() const noexcept override
{
if (fLatencyIndex < 0 || fParamBuffers == nullptr)
return 0;
const float latency(fParamBuffers[fLatencyIndex]);
CARLA_SAFE_ASSERT_RETURN(latency >= 0.0f, 0);
return static_cast<uint32_t>(latency);
}
// -------------------------------------------------------------------
// Information (count)
uint32_t getMidiInCount() const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0);
uint32_t count = 0;
for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)
{
const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);
if (LV2_IS_PORT_INPUT(portTypes) && LV2_PORT_SUPPORTS_MIDI_EVENT(portTypes))
++count;
}
return count;
}
uint32_t getMidiOutCount() const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0);
uint32_t count = 0;
for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)
{
const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);
if (LV2_IS_PORT_OUTPUT(portTypes) && LV2_PORT_SUPPORTS_MIDI_EVENT(portTypes))
++count;
}
return count;
}
uint32_t getParameterScalePointCount(const uint32_t parameterId) const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0);
CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);
const int32_t rindex(pData->param.data[parameterId].rindex);
if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))
{
const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]);
return port->ScalePointCount;
}
return 0;
}
// -------------------------------------------------------------------
// Information (current data)
// nothing
// -------------------------------------------------------------------
// Information (per-plugin data)
uint getOptionsAvailable() const noexcept override
{
uint options = 0x0;
// can't disable fixed buffers if using latency or MIDI output
if (fLatencyIndex == -1 && getMidiOutCount() == 0 && ! fNeedsFixedBuffers)
options |= PLUGIN_OPTION_FIXED_BUFFERS;
// can't disable forced stereo if enabled in the engine
if (pData->engine->getOptions().forceStereo)
pass();
// if inputs or outputs are just 1, then yes we can force stereo
else if ((pData->audioIn.count == 1 || pData->audioOut.count == 1) || fHandle2 != nullptr)
options |= PLUGIN_OPTION_FORCE_STEREO;
if (fExt.programs != nullptr)
options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
if (getMidiInCount() != 0)
{
options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;
options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
options |= PLUGIN_OPTION_SEND_PITCHBEND;
options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;
}
return options;
}
float getParameterValue(const uint32_t parameterId) const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr, 0.0f);
CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);
if (pData->param.data[parameterId].type == PARAMETER_INPUT)
{
if (pData->param.data[parameterId].hints & PARAMETER_IS_STRICT_BOUNDS)
pData->param.ranges[parameterId].fixValue(fParamBuffers[parameterId]);
}
else
{
if (fStrictBounds >= 0 && (pData->param.data[parameterId].hints & PARAMETER_IS_STRICT_BOUNDS) == 0)
pData->param.ranges[parameterId].fixValue(fParamBuffers[parameterId]);
}
return fParamBuffers[parameterId];
}
float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0.0f);
CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);
const int32_t rindex(pData->param.data[parameterId].rindex);
if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))
{
const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]);
CARLA_SAFE_ASSERT_RETURN(scalePointId < port->ScalePointCount, 0.0f);
const LV2_RDF_PortScalePoint* const portScalePoint(&port->ScalePoints[scalePointId]);
return portScalePoint->Value;
}
return 0.0f;
}
bool getLabel(char* const strBuf) const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor->URI != nullptr, false);
std::strncpy(strBuf, fRdfDescriptor->URI, STR_MAX);
return true;
}
bool getMaker(char* const strBuf) const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);
if (fRdfDescriptor->Author != nullptr)
{
std::strncpy(strBuf, fRdfDescriptor->Author, STR_MAX);
return true;
}
return false;
}
bool getCopyright(char* const strBuf) const noexcept override
{
CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);
if (fRdfDescriptor->License != nullptr)
{
std::strncpy(strBuf, fRdfDescriptor->License, STR_MAX);
return true;
}
return false;