+++ /dev/null
-/*
- LV2 External UI extension
- This work is in public domain.
-
- This file 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.
-
- If you have questions, contact Filipe Coelho (aka falkTX) <falktx@falktx.com>
- or ask in #lad channel, FreeNode IRC network.
-*/
-
-/**
- @file lv2_external_ui.h
- C header for the LV2 External UI extension <http://kxstudio.sf.net/ns/lv2ext/external-ui>.
-*/
-
-#ifndef LV2_EXTERNAL_UI_H
-#define LV2_EXTERNAL_UI_H
-
-#include "ui.h"
-
-#define LV2_EXTERNAL_UI_URI "http://kxstudio.sf.net/ns/lv2ext/external-ui"
-#define LV2_EXTERNAL_UI_PREFIX LV2_EXTERNAL_UI_URI "#"
-
-#define LV2_EXTERNAL_UI__Host LV2_EXTERNAL_UI_PREFIX "Host"
-#define LV2_EXTERNAL_UI__Widget LV2_EXTERNAL_UI_PREFIX "Widget"
-
-/** This extension used to be defined by a lv2plug.in URI */
-#define LV2_EXTERNAL_UI_DEPRECATED_URI "http://lv2plug.in/ns/extensions/ui#external"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * When LV2_EXTERNAL_UI__Widget UI is instantiated, the returned
- * LV2UI_Widget handle must be cast to pointer to LV2_External_UI_Widget.
- * UI is created in invisible state.
- */
-typedef struct _LV2_External_UI_Widget {
- /**
- * Host calls this function regulary. UI library implementing the
- * callback may do IPC or redraw the UI.
- *
- * @param _this_ the UI context
- */
- void (*run)(struct _LV2_External_UI_Widget * _this_);
-
- /**
- * Host calls this function to make the plugin UI visible.
- *
- * @param _this_ the UI context
- */
- void (*show)(struct _LV2_External_UI_Widget * _this_);
-
- /**
- * Host calls this function to make the plugin UI invisible again.
- *
- * @param _this_ the UI context
- */
- void (*hide)(struct _LV2_External_UI_Widget * _this_);
-
-} LV2_External_UI_Widget;
-
-#define LV2_EXTERNAL_UI_RUN(ptr) (ptr)->run(ptr)
-#define LV2_EXTERNAL_UI_SHOW(ptr) (ptr)->show(ptr)
-#define LV2_EXTERNAL_UI_HIDE(ptr) (ptr)->hide(ptr)
-
-/**
- * On UI instantiation, host must supply LV2_EXTERNAL_UI__Host feature.
- * LV2_Feature::data must be pointer to LV2_External_UI_Host.
- */
-typedef struct _LV2_External_UI_Host {
- /**
- * Callback that plugin UI will call when UI (GUI window) is closed by user.
- * This callback will be called during execution of LV2_External_UI_Widget::run()
- * (i.e. not from background thread).
- *
- * After this callback is called, UI is defunct. Host must call LV2UI_Descriptor::cleanup().
- * If host wants to make the UI visible again, the UI must be reinstantiated.
- *
- * @note When using the depreated URI LV2_EXTERNAL_UI_DEPRECATED_URI,
- * some hosts will not call LV2UI_Descriptor::cleanup() as they should,
- * and may call show() again without re-initialization.
- *
- * @param controller Host context associated with plugin UI, as
- * supplied to LV2UI_Descriptor::instantiate().
- */
- void (*ui_closed)(LV2UI_Controller controller);
-
- /**
- * Optional (may be NULL) "user friendly" identifier which the UI
- * may display to allow a user to easily associate this particular
- * UI instance with the correct plugin instance as it is represented
- * by the host (e.g. "track 1" or "channel 4").
- *
- * If supplied by host, the string will be referenced only during
- * LV2UI_Descriptor::instantiate()
- */
- const char * plugin_human_id;
-
-} LV2_External_UI_Host;
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* LV2_EXTERNAL_UI_H */
+++ /dev/null
-/*
- LV2 Programs Extension
- Copyright 2012 Filipe Coelho <falktx@falktx.com>
-
- Permission to use, copy, modify, and/or distribute this software for any
- purpose with or without fee is hereby granted, provided that the above
- copyright notice and this permission notice appear in all copies.
-
- THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-
-/**
- @file lv2_programs.h
- C header for the LV2 programs extension <http://kxstudio.sf.net/ns/lv2ext/programs>.
-*/
-
-#ifndef LV2_PROGRAMS_H
-#define LV2_PROGRAMS_H
-
-#include "lv2.h"
-#include "ui.h"
-
-#define LV2_PROGRAMS_URI "http://kxstudio.sf.net/ns/lv2ext/programs"
-#define LV2_PROGRAMS_PREFIX LV2_PROGRAMS_URI "#"
-
-#define LV2_PROGRAMS__Host LV2_PROGRAMS_PREFIX "Host"
-#define LV2_PROGRAMS__Interface LV2_PROGRAMS_PREFIX "Interface"
-#define LV2_PROGRAMS__UIInterface LV2_PROGRAMS_PREFIX "UIInterface"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef void* LV2_Programs_Handle;
-
-typedef struct _LV2_Program_Descriptor {
-
- /** Bank number for this program. Note that this extension does not
- support MIDI-style separation of bank LSB and MSB values. There is
- no restriction on the set of available banks: the numbers do not
- need to be contiguous, there does not need to be a bank 0, etc. */
- uint32_t bank;
-
- /** Program number (unique within its bank) for this program. There is
- no restriction on the set of available programs: the numbers do not
- need to be contiguous, there does not need to be a program 0, etc. */
- uint32_t program;
-
- /** Name of the program. */
- const char * name;
-
-} LV2_Program_Descriptor;
-
-/**
- Programs extension, plugin data.
-
- When the plugin's extension_data is called with argument LV2_PROGRAMS__Interface,
- the plugin MUST return an LV2_Programs_Instance structure, which remains valid
- for the lifetime of the plugin.
-*/
-typedef struct _LV2_Programs_Interface {
- /**
- * get_program()
- *
- * This member is a function pointer that provides a description
- * of a program (named preset sound) available on this plugin.
- *
- * The index argument is an index into the plugin's list of
- * programs, not a program number as represented by the Program
- * field of the LV2_Program_Descriptor. (This distinction is
- * needed to support plugins that use non-contiguous program or
- * bank numbers.)
- *
- * This function returns a LV2_Program_Descriptor pointer that is
- * guaranteed to be valid only until the next call to get_program
- * or deactivate, on the same plugin instance. This function must
- * return NULL if passed an index argument out of range, so that
- * the host can use it to query the number of programs as well as
- * their properties.
- */
- const LV2_Program_Descriptor *(*get_program)(LV2_Handle handle,
- uint32_t index);
-
- /**
- * select_program()
- *
- * This member is a function pointer that selects a new program
- * for this plugin. The program change should take effect
- * immediately at the start of the next run() call. (This
- * means that a host providing the capability of changing programs
- * between any two notes on a track must vary the block size so as
- * to place the program change at the right place. A host that
- * wanted to avoid this would probably just instantiate a plugin
- * for each program.)
- *
- * Plugins should ignore a select_program() call with an invalid
- * bank or program.
- *
- * A plugin is not required to select any particular default
- * program on activate(): it's the host's duty to set a program
- * explicitly.
- *
- * A plugin is permitted to re-write the values of its input
- * control ports when select_program is called. The host should
- * re-read the input control port values and update its own
- * records appropriately. (This is the only circumstance in which
- * a LV2 plugin is allowed to modify its own control-input ports.)
- */
- void (*select_program)(LV2_Handle handle,
- uint32_t bank,
- uint32_t program);
-
-} LV2_Programs_Interface;
-
-/**
- Programs extension, UI data.
-
- When the UI's extension_data is called with argument LV2_PROGRAMS__UIInterface,
- the UI MUST return an LV2_Programs_UI_Interface structure, which remains valid
- for the lifetime of the UI.
-*/
-typedef struct _LV2_Programs_UI_Interface {
- /**
- * select_program()
- *
- * This is exactly the same as select_program in LV2_Programs_Instance,
- * but this struct relates to the UI instead of the plugin.
- *
- * When called, UIs should update their state to match the selected program.
- */
- void (*select_program)(LV2UI_Handle handle,
- uint32_t bank,
- uint32_t program);
-
-} LV2_Programs_UI_Interface;
-
-/**
- Feature data for LV2_PROGRAMS__Host.
-*/
-typedef struct _LV2_Programs_Host {
- /**
- * Opaque host data.
- */
- LV2_Programs_Handle handle;
-
- /**
- * program_changed()
- *
- * Tell the host to reload a plugin's program.
- * Parameter handle MUST be the 'handle' member of this struct.
- * Parameter index is program index to change.
- * When index is -1, host should reload all the programs.
- *
- * The plugin MUST NEVER call this function on a RT context or during run().
- *
- * NOTE: This call is to inform the host about a program's bank, program or name change.
- * It DOES NOT change the current selected program.
- */
- void (*program_changed)(LV2_Programs_Handle handle,
- int32_t index);
-
-} LV2_Programs_Host;
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* LV2_PROGRAMS_H */
+++ /dev/null
-/*
- ==============================================================================
-
- Juce LV2 Wrapper
-
- ==============================================================================
-*/
-
-// Your project must contain an AppConfig.h file with your project-specific settings in it,
-// and your header search path must make it accessible to the module's files.
-#include "AppConfig.h"
-
-#include "juce_audio_plugin_client/utility/juce_CheckSettingMacros.h"
-#include "juce_core/system/juce_TargetPlatform.h" // for JUCE_LINUX
-
-#if JucePlugin_Build_LV2
-
-/** Plugin requires processing with a fixed/constant block size */
-#ifndef JucePlugin_WantsLV2FixedBlockSize
- #define JucePlugin_WantsLV2FixedBlockSize 0
-#endif
-
-/** Use non-parameter states */
-#ifndef JucePlugin_WantsLV2State
- #define JucePlugin_WantsLV2State 1
-#endif
-
-/** States are strings, needs custom get/setStateInformationString */
-#ifndef JucePlugin_WantsLV2StateString
- #define JucePlugin_WantsLV2StateString 0
-#endif
-
-/** Export presets */
-#ifndef JucePlugin_WantsLV2Presets
- #define JucePlugin_WantsLV2Presets 1
-#endif
-
-/** Request time position */
-#ifndef JucePlugin_WantsLV2TimePos
- #define JucePlugin_WantsLV2TimePos 1
-#endif
-
-/** Using string states require enabling states first */
-#if JucePlugin_WantsLV2StateString && ! JucePlugin_WantsLV2State
- #undef JucePlugin_WantsLV2State
- #define JucePlugin_WantsLV2State 1
-#endif
-
-#if JUCE_LINUX
- #include <X11/Xlib.h>
- #undef KeyPress
-#endif
-
-#include <fstream>
-#include <iostream>
-
-// LV2 includes..
-#include <lv2/lv2plug.in/ns/lv2core/lv2.h>
-#include <lv2/lv2plug.in/ns/ext/atom/atom.h>
-#include <lv2/lv2plug.in/ns/ext/atom/util.h>
-#include <lv2/lv2plug.in/ns/ext/buf-size/buf-size.h>
-#include <lv2/lv2plug.in/ns/ext/instance-access/instance-access.h>
-#include <lv2/lv2plug.in/ns/ext/midi/midi.h>
-#include <lv2/lv2plug.in/ns/ext/options/options.h>
-#include <lv2/lv2plug.in/ns/ext/port-props/port-props.h>
-#include <lv2/lv2plug.in/ns/ext/presets/presets.h>
-#include <lv2/lv2plug.in/ns/ext/state/state.h>
-#include <lv2/lv2plug.in/ns/ext/time/time.h>
-#include <lv2/lv2plug.in/ns/extensions/ui/ui.h>
-#include <lv2/lv2plug.in/ns/ext/urid/urid.h>
-#include "includes/lv2_external_ui.h"
-#include "includes/lv2_programs.h"
-
-#include "juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h"
-
-namespace juce
-{
- #if JUCE_LINUX
- extern Display* display;
- #endif
-}
-
-#define JUCE_LV2_STATE_STRING_URI "urn:juce:stateString"
-#define JUCE_LV2_STATE_BINARY_URI "urn:juce:stateBinary"
-
-#if JucePlugin_WantsLV2State && ! JucePlugin_WantsLV2StateString
- // FIXME - juce base64 algorithm does not conform to RFC used in LV2
- #include "base64/Base64.cpp"
-#endif
-
-//==============================================================================
-// Various helper functions for creating the ttl files
-
-#if JUCE_MAC
- #define PLUGIN_EXT ".dylib"
-#elif JUCE_LINUX
- #define PLUGIN_EXT ".so"
-#elif JUCE_WINDOWS
- #define PLUGIN_EXT ".dll"
-#endif
-
-/** Returns plugin type, defined in AppConfig.h or JucePluginCharacteristics.h */
-const String getPluginType()
-{
- String pluginType;
-#ifdef JucePlugin_LV2Category
- pluginType = "lv2:" JucePlugin_LV2Category;
- pluginType += ", ";
-#elif JucePlugin_IsSynth
- pluginType = "lv2:InstrumentPlugin, ";
-#endif
- pluginType += "lv2:Plugin";
- return pluginType;
-}
-
-/** Returns plugin URI */
-static const String& getPluginURI()
-{
- // JucePlugin_LV2URI might be defined as a function (eg. allowing dynamic URIs based on filename)
- static const String pluginURI(JucePlugin_LV2URI);
- return pluginURI;
-}
-
-static Array<String> usedSymbols;
-
-/** Converts a parameter name to an LV2 compatible symbol. */
-const String nameToSymbol (const String& name, const uint32 portIndex)
-{
- String symbol, trimmedName = name.trimStart().trimEnd().toLowerCase();
-
- if (trimmedName.isEmpty())
- {
- symbol += "lv2_port_";
- symbol += String(portIndex+1);
- }
- else
- {
- for (int i=0; i < trimmedName.length(); ++i)
- {
- const juce_wchar c = trimmedName[i];
- if (i == 0 && std::isdigit(c))
- symbol += "_";
- else if (std::isalpha(c) || std::isdigit(c))
- symbol += c;
- else
- symbol += "_";
- }
- }
-
- // Do not allow identical symbols
- if (usedSymbols.contains(symbol))
- {
- int offset = 2;
- String offsetStr = "_2";
- symbol += offsetStr;
-
- while (usedSymbols.contains(symbol))
- {
- offset += 1;
- String newOffsetStr = "_" + String(offset);
- symbol = symbol.replace(offsetStr, newOffsetStr);
- offsetStr = newOffsetStr;
- }
- }
- usedSymbols.add(symbol);
-
- return symbol;
-}
-
-/** Prevents NaN or out of 0.0<->1.0 bounds parameter values. */
-float safeParamValue (float value)
-{
- if (std::isnan(value))
- value = 0.0f;
- else if (value < 0.0f)
- value = 0.0f;
- else if (value > 1.0f)
- value = 1.0f;
- return value;
-}
-
-/** Create the manifest.ttl file contents */
-const String makeManifestFile (AudioProcessor* const filter, const String& binary)
-{
- const String& pluginURI(getPluginURI());
- String text;
-
- // Header
- text += "@prefix lv2: <" LV2_CORE_PREFIX "> .\n";
- text += "@prefix pset: <" LV2_PRESETS_PREFIX "> .\n";
- text += "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n";
- text += "@prefix ui: <" LV2_UI_PREFIX "> .\n";
- text += "\n";
-
- // Plugin
- text += "<" + pluginURI + ">\n";
- text += " a lv2:Plugin ;\n";
- text += " lv2:binary <" + binary + PLUGIN_EXT "> ;\n";
- text += " rdfs:seeAlso <" + binary + ".ttl> .\n";
- text += "\n";
-
- // UIs
- if (filter->hasEditor())
- {
- text += "<" + pluginURI + "#ExternalUI>\n";
- text += " a <" LV2_EXTERNAL_UI__Widget "> ;\n";
- text += " ui:binary <" + binary + PLUGIN_EXT "> ;\n";
- text += " lv2:requiredFeature <" LV2_INSTANCE_ACCESS_URI "> ;\n";
- text += " lv2:extensionData <" LV2_PROGRAMS__UIInterface "> .\n";
- text += "\n";
-
- text += "<" + pluginURI + "#ParentUI>\n";
-#if JUCE_MAC
- text += " a ui:CocoaUI ;\n";
-#elif JUCE_LINUX
- text += " a ui:X11UI ;\n";
-#elif JUCE_WINDOWS
- text += " a ui:WindowsUI ;\n";
-#endif
- text += " ui:binary <" + binary + PLUGIN_EXT "> ;\n";
- text += " lv2:requiredFeature <" LV2_INSTANCE_ACCESS_URI "> ;\n";
- text += " lv2:optionalFeature ui:noUserResize ;\n";
- text += " lv2:extensionData <" LV2_PROGRAMS__UIInterface "> .\n";
- text += "\n";
- }
-
-#if JucePlugin_WantsLV2Presets
- const String presetSeparator(pluginURI.contains("#") ? ":" : "#");
-
- // Presets
- for (int i = 0; i < filter->getNumPrograms(); ++i)
- {
- text += "<" + pluginURI + presetSeparator + "preset" + String::formatted("%03i", i+1) + ">\n";
- text += " a pset:Preset ;\n";
- text += " lv2:appliesTo <" + pluginURI + "> ;\n";
- text += " rdfs:label \"" + filter->getProgramName(i) + "\" ;\n";
- text += " rdfs:seeAlso <presets.ttl> .\n";
- text += "\n";
- }
-#endif
-
- return text;
-}
-
-/** Create the -plugin-.ttl file contents */
-const String makePluginFile (AudioProcessor* const filter)
-{
- const String& pluginURI(getPluginURI());
- String text;
-
- // Header
- text += "@prefix atom: <" LV2_ATOM_PREFIX "> .\n";
- text += "@prefix doap: <http://usefulinc.com/ns/doap#> .\n";
- text += "@prefix foaf: <http://xmlns.com/foaf/0.1/> .\n";
- text += "@prefix lv2: <" LV2_CORE_PREFIX "> .\n";
- text += "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n";
- text += "@prefix ui: <" LV2_UI_PREFIX "> .\n";
- text += "\n";
-
- // Plugin
- text += "<" + pluginURI + ">\n";
- text += " a " + getPluginType() + " ;\n";
- text += " lv2:requiredFeature <" LV2_BUF_SIZE__boundedBlockLength "> ,\n";
-#if JucePlugin_WantsLV2FixedBlockSize
- text += " <" LV2_BUF_SIZE__fixedBlockLength "> ,\n";
-#endif
- text += " <" LV2_URID__map "> ;\n";
- text += " lv2:extensionData <" LV2_OPTIONS__interface "> ,\n";
-#if JucePlugin_WantsLV2State
- text += " <" LV2_STATE__interface "> ,\n";
-#endif
- text += " <" LV2_PROGRAMS__Interface "> ;\n";
- text += "\n";
-
- // UIs
- if (filter->hasEditor())
- {
- text += " ui:ui <" + pluginURI + "#ExternalUI> ,\n";
- text += " <" + pluginURI + "#ParentUI> ;\n";
- text += "\n";
- }
-
- uint32 portIndex = 0;
-
-#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
- // MIDI input
- text += " lv2:port [\n";
- text += " a lv2:InputPort, atom:AtomPort ;\n";
- text += " atom:bufferType atom:Sequence ;\n";
- #if JucePlugin_WantsMidiInput
- text += " atom:supports <" LV2_MIDI__MidiEvent "> ;\n";
- #endif
- #if JucePlugin_WantsLV2TimePos
- text += " atom:supports <" LV2_TIME__Position "> ;\n";
- #endif
- text += " lv2:index " + String(portIndex++) + " ;\n";
- text += " lv2:symbol \"lv2_events_in\" ;\n";
- text += " lv2:name \"Events Input\" ;\n";
- text += " lv2:designation lv2:control ;\n";
- #if ! JucePlugin_IsSynth
- text += " lv2:portProperty lv2:connectionOptional ;\n";
- #endif
- text += " ] ;\n";
- text += "\n";
-#endif
-
-#if JucePlugin_ProducesMidiOutput
- // MIDI output
- text += " lv2:port [\n";
- text += " a lv2:OutputPort, atom:AtomPort ;\n";
- text += " atom:bufferType atom:Sequence ;\n";
- text += " atom:supports <" LV2_MIDI__MidiEvent "> ;\n";
- text += " lv2:index " + String(portIndex++) + " ;\n";
- text += " lv2:symbol \"lv2_midi_out\" ;\n";
- text += " lv2:name \"MIDI Output\" ;\n";
- text += " ] ;\n";
- text += "\n";
-#endif
-
- // Freewheel and latency ports
- text += " lv2:port [\n";
- text += " a lv2:InputPort, lv2:ControlPort ;\n";
- text += " lv2:index " + String(portIndex++) + " ;\n";
- text += " lv2:symbol \"lv2_freewheel\" ;\n";
- text += " lv2:name \"Freewheel\" ;\n";
- text += " lv2:default 0.0 ;\n";
- text += " lv2:minimum 0.0 ;\n";
- text += " lv2:maximum 1.0 ;\n";
- text += " lv2:designation <" LV2_CORE__freeWheeling "> ;\n";
- text += " lv2:portProperty lv2:toggled, <" LV2_PORT_PROPS__notOnGUI "> ;\n";
- text += " ] ,\n";
- text += " [\n";
- text += " a lv2:OutputPort, lv2:ControlPort ;\n";
- text += " lv2:index " + String(portIndex++) + " ;\n";
- text += " lv2:symbol \"lv2_latency\" ;\n";
- text += " lv2:name \"Latency\" ;\n";
- text += " lv2:designation <" LV2_CORE__latency "> ;\n";
- text += " lv2:portProperty lv2:reportsLatency, lv2:integer ;\n";
- text += " ] ;\n";
- text += "\n";
-
- // Audio inputs
- for (int i=0; i < JucePlugin_MaxNumInputChannels; ++i)
- {
- if (i == 0)
- text += " lv2:port [\n";
- else
- text += " [\n";
-
- text += " a lv2:InputPort, lv2:AudioPort ;\n";
- text += " lv2:index " + String(portIndex++) + " ;\n";
- text += " lv2:symbol \"lv2_audio_in_" + String(i+1) + "\" ;\n";
- text += " lv2:name \"Audio Input " + String(i+1) + "\" ;\n";
-
- if (i+1 == JucePlugin_MaxNumInputChannels)
- text += " ] ;\n\n";
- else
- text += " ] ,\n";
- }
-
- // Audio outputs
- for (int i=0; i < JucePlugin_MaxNumOutputChannels; ++i)
- {
- if (i == 0)
- text += " lv2:port [\n";
- else
- text += " [\n";
-
- text += " a lv2:OutputPort, lv2:AudioPort ;\n";
- text += " lv2:index " + String(portIndex++) + " ;\n";
- text += " lv2:symbol \"lv2_audio_out_" + String(i+1) + "\" ;\n";
- text += " lv2:name \"Audio Output " + String(i+1) + "\" ;\n";
-
- if (i+1 == JucePlugin_MaxNumOutputChannels)
- text += " ] ;\n\n";
- else
- text += " ] ,\n";
- }
-
- // Parameters
- for (int i=0; i < filter->getNumParameters(); ++i)
- {
- if (i == 0)
- text += " lv2:port [\n";
- else
- text += " [\n";
-
- text += " a lv2:InputPort, lv2:ControlPort ;\n";
- text += " lv2:index " + String(portIndex++) + " ;\n";
- text += " lv2:symbol \"" + nameToSymbol(filter->getParameterName(i), i) + "\" ;\n";
-
- if (filter->getParameterName(i).isNotEmpty())
- text += " lv2:name \"" + filter->getParameterName(i) + "\" ;\n";
- else
- text += " lv2:name \"Port " + String(i+1) + "\" ;\n";
-
- text += " lv2:default " + String::formatted("%f", safeParamValue(filter->getParameter(i))) + " ;\n";
- text += " lv2:minimum 0.0 ;\n";
- text += " lv2:maximum 1.0 ;\n";
-
- if (! filter->isParameterAutomatable(i))
- text += " lv2:portProperty <" LV2_PORT_PROPS__expensive "> ;\n";
-
- if (i+1 == filter->getNumParameters())
- text += " ] ;\n\n";
- else
- text += " ] ,\n";
- }
-
- text += " doap:name \"" + filter->getName() + "\" ;\n";
- text += " doap:maintainer [ foaf:name \"" JucePlugin_Manufacturer "\" ] .\n";
-
- return text;
-}
-
-/** Create the presets.ttl file contents */
-const String makePresetsFile (AudioProcessor* const filter)
-{
- const String& pluginURI(getPluginURI());
- String text;
-
- // Header
- text += "@prefix atom: <" LV2_ATOM_PREFIX "> .\n";
- text += "@prefix lv2: <" LV2_CORE_PREFIX "> .\n";
- text += "@prefix pset: <" LV2_PRESETS_PREFIX "> .\n";
- text += "@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .\n";
- text += "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n";
- text += "@prefix state: <" LV2_STATE_PREFIX "> .\n";
- text += "@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .\n";
- text += "\n";
-
- // Presets
- const int numPrograms = filter->getNumPrograms();
- const String presetSeparator(pluginURI.contains("#") ? ":" : "#");
-
- for (int i = 0; i < numPrograms; ++i)
- {
- std::cout << "\nSaving preset " << i+1 << "/" << numPrograms+1 << "...";
- std::cout.flush();
-
- String preset;
-
- // Label
- filter->setCurrentProgram(i);
- preset += "<" + pluginURI + presetSeparator + "preset" + String::formatted("%03i", i+1) + "> a pset:Preset ;\n";
-
- // State
-#if JucePlugin_WantsLV2State
- preset += " state:state [\n";
- #if JucePlugin_WantsLV2StateString
- preset += " <" JUCE_LV2_STATE_STRING_URI ">\n";
- preset += "\"\"\"\n";
- preset += filter->getStateInformationString().replace("\r\n","\n");
- preset += "\"\"\"\n";
- #else
- MemoryBlock chunkMemory;
- filter->getCurrentProgramStateInformation(chunkMemory);
- const String chunkString(Base64Encode(chunkMemory));
-
- preset += " <" JUCE_LV2_STATE_BINARY_URI "> [\n";
- preset += " a atom:Chunk ;\n";
- preset += " rdf:value \"" + chunkString + "\"^^xsd:base64Binary ;\n";
- preset += " ] ;\n";
- #endif
- if (filter->getNumParameters() == 0)
- {
- preset += " ] .\n\n";
- continue;
- }
-
- preset += " ] ;\n\n";
-#endif
-
- // Port values
- usedSymbols.clear();
-
- for (int j=0; j < filter->getNumParameters(); ++j)
- {
- if (j == 0)
- preset += " lv2:port [\n";
- else
- preset += " [\n";
-
- preset += " lv2:symbol \"" + nameToSymbol(filter->getParameterName(j), j) + "\" ;\n";
- preset += " pset:value " + String::formatted("%f", safeParamValue(filter->getParameter(j))) + " ;\n";
-
- if (j+1 == filter->getNumParameters())
- preset += " ] ";
- else
- preset += " ] ,\n";
- }
- preset += ".\n\n";
-
- text += preset;
- }
-
- return text;
-}
-
-/** Creates manifest.ttl, plugin.ttl and presets.ttl files */
-void createLv2Files(const char* basename)
-{
- const ScopedJuceInitialiser_GUI juceInitialiser;
- ScopedPointer<AudioProcessor> filter (createPluginFilterOfType (AudioProcessor::wrapperType_VST)); // FIXME
-
- String binary(basename);
- String binaryTTL(binary + ".ttl");
-
- std::cout << "Writing manifest.ttl..."; std::cout.flush();
- std::fstream manifest("manifest.ttl", std::ios::out);
- manifest << makeManifestFile(filter, binary) << std::endl;
- manifest.close();
- std::cout << " done!" << std::endl;
-
- std::cout << "Writing " << binary << ".ttl..."; std::cout.flush();
- std::fstream plugin(binaryTTL.toUTF8(), std::ios::out);
- plugin << makePluginFile(filter) << std::endl;
- plugin.close();
- std::cout << " done!" << std::endl;
-
-#if JucePlugin_WantsLV2Presets
- std::cout << "Writing presets.ttl..."; std::cout.flush();
- std::fstream presets("presets.ttl", std::ios::out);
- presets << makePresetsFile(filter) << std::endl;
- presets.close();
- std::cout << " done!" << std::endl;
-#endif
-}
-
-//==============================================================================
-#if JUCE_LINUX
-
-class SharedMessageThread : public Thread
-{
-public:
- SharedMessageThread()
- : Thread ("Lv2MessageThread"),
- initialised (false)
- {
- startThread (7);
-
- while (! initialised)
- sleep (1);
- }
-
- ~SharedMessageThread()
- {
- MessageManager::getInstance()->stopDispatchLoop();
- waitForThreadToExit (5000);
- }
-
- void run() override
- {
- const ScopedJuceInitialiser_GUI juceInitialiser;
-
- MessageManager::getInstance()->setCurrentThreadAsMessageThread();
- initialised = true;
-
- MessageManager::getInstance()->runDispatchLoop();
- }
-
-private:
- bool initialised;
-};
-#endif
-
-//==============================================================================
-/**
- Lightweight DocumentWindow subclass for external ui
-*/
-class JuceLv2ExternalUIWindow : public DocumentWindow
-{
-public:
- /** Creates a Document Window wrapper */
- JuceLv2ExternalUIWindow (AudioProcessorEditor* editor, const String& title) :
- DocumentWindow (title, Colours::white, DocumentWindow::minimiseButton | DocumentWindow::closeButton, false),
- closed (false),
- lastPos (0, 0)
- {
- setOpaque (true);
- setContentNonOwned (editor, true);
- setSize (editor->getWidth(), editor->getHeight());
- setUsingNativeTitleBar (true);
- }
-
- /** Close button handler */
- void closeButtonPressed()
- {
- saveLastPos();
- removeFromDesktop();
- closed = true;
- }
-
- void saveLastPos()
- {
- lastPos = getScreenPosition();
- }
-
- void restoreLastPos()
- {
- setTopLeftPosition (lastPos.getX(), lastPos.getY());
- }
-
- Point<int> getLastPos()
- {
- return lastPos;
- }
-
- bool isClosed()
- {
- return closed;
- }
-
- void reset()
- {
- closed = false;
- }
-
-private:
- bool closed;
- Point<int> lastPos;
-
- JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2ExternalUIWindow);
-};
-
-//==============================================================================
-/**
- Juce LV2 External UI handle
-*/
-class JuceLv2ExternalUIWrapper : public LV2_External_UI_Widget
-{
-public:
- JuceLv2ExternalUIWrapper (AudioProcessorEditor* editor, const String& title)
- : window (editor, title)
- {
- // external UI calls
- run = doRun;
- show = doShow;
- hide = doHide;
- }
-
- ~JuceLv2ExternalUIWrapper()
- {
- if (window.isOnDesktop())
- window.removeFromDesktop();
- }
-
- void close()
- {
- window.closeButtonPressed();
- }
-
- bool isClosed()
- {
- return window.isClosed();
- }
-
- void reset(const String& title)
- {
- window.reset();
- window.setName(title);
- }
-
- void repaint()
- {
- window.repaint();
- }
-
- Point<int> getScreenPosition()
- {
- if (window.isClosed())
- return window.getLastPos();
- else
- return window.getScreenPosition();
- }
-
- void setScreenPos (int x, int y)
- {
- if (! window.isClosed())
- window.setTopLeftPosition(x, y);
- }
-
- //==============================================================================
- static void doRun (LV2_External_UI_Widget* _this_)
- {
- const MessageManagerLock mmLock;
- JuceLv2ExternalUIWrapper* self = (JuceLv2ExternalUIWrapper*) _this_;
-
- if (! self->isClosed())
- self->window.repaint();
- }
-
- static void doShow (LV2_External_UI_Widget* _this_)
- {
- const MessageManagerLock mmLock;
- JuceLv2ExternalUIWrapper* self = (JuceLv2ExternalUIWrapper*) _this_;
-
- if (! self->isClosed())
- {
- if (! self->window.isOnDesktop())
- self->window.addToDesktop();
-
- self->window.restoreLastPos();
- self->window.setVisible(true);
- }
- }
-
- static void doHide (LV2_External_UI_Widget* _this_)
- {
- const MessageManagerLock mmLock;
- JuceLv2ExternalUIWrapper* self = (JuceLv2ExternalUIWrapper*) _this_;
-
- if (! self->isClosed())
- {
- self->window.saveLastPos();
- self->window.setVisible(false);
- }
- }
-
-private:
- JuceLv2ExternalUIWindow window;
-
- JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2ExternalUIWrapper);
-};
-
-//==============================================================================
-/**
- Juce LV2 Parent UI container, listens for resize events and passes them to ui-resize
-*/
-class JuceLv2ParentContainer : public Component
-{
-public:
- JuceLv2ParentContainer (AudioProcessorEditor* editor, const LV2UI_Resize* uiResize_)
- : uiResize(uiResize_)
- {
- setOpaque (true);
- editor->setOpaque (true);
- setBounds (editor->getBounds());
-
- editor->setTopLeftPosition (0, 0);
- addAndMakeVisible (editor);
- }
-
- ~JuceLv2ParentContainer()
- {
- }
-
- void paint (Graphics&) {}
- void paintOverChildren (Graphics&) {}
-
- void childBoundsChanged (Component* child)
- {
- const int cw = child->getWidth();
- const int ch = child->getHeight();
-
-#if JUCE_LINUX
- XResizeWindow (display, (Window) getWindowHandle(), cw, ch);
-#else
- setSize (cw, ch);
-#endif
-
- if (uiResize != nullptr)
- uiResize->ui_resize (uiResize->handle, cw, ch);
- }
-
- void reset (const LV2UI_Resize* uiResize_)
- {
- uiResize = uiResize_;
-
- if (uiResize != nullptr)
- uiResize->ui_resize (uiResize->handle, getWidth(), getHeight());
- }
-
-private:
- //==============================================================================
- const LV2UI_Resize* uiResize;
-
- JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2ParentContainer);
-};
-
-//==============================================================================
-/**
- Juce LV2 UI handle
-*/
-class JuceLv2UIWrapper : public AudioProcessorListener,
- public Timer
-{
-public:
- JuceLv2UIWrapper (AudioProcessor* filter_, LV2UI_Write_Function writeFunction_, LV2UI_Controller controller_,
- LV2UI_Widget* widget, const LV2_Feature* const* features, bool isExternal_)
- : filter (filter_),
- writeFunction (writeFunction_),
- controller (controller_),
- isExternal (isExternal_),
- controlPortOffset (0),
- lastProgramCount (0),
- uiTouch (nullptr),
- programsHost (nullptr),
- externalUIHost (nullptr),
- lastExternalUIPos (-1, -1),
- uiResize (nullptr)
- {
- jassert (filter != nullptr);
-
- filter->addListener(this);
-
- if (filter->hasEditor())
- {
- editor = filter->createEditorIfNeeded();
-
- if (editor == nullptr)
- {
- *widget = nullptr;
- return;
- }
- }
-
- for (int i = 0; features[i] != nullptr; ++i)
- {
- if (strcmp(features[i]->URI, LV2_UI__touch) == 0)
- uiTouch = (const LV2UI_Touch*)features[i]->data;
-
- else if (strcmp(features[i]->URI, LV2_PROGRAMS__Host) == 0)
- programsHost = (const LV2_Programs_Host*)features[i]->data;
- }
-
- if (isExternal)
- {
- resetExternalUI (features);
-
- if (externalUIHost != nullptr)
- {
- String title (filter->getName());
-
- if (externalUIHost->plugin_human_id != nullptr)
- title = externalUIHost->plugin_human_id;
-
- externalUI = new JuceLv2ExternalUIWrapper (editor, title);
- *widget = externalUI;
- startTimer (100);
- }
- else
- {
- *widget = nullptr;
- }
- }
- else
- {
- resetParentUI (features);
-
- if (parentContainer != nullptr)
- *widget = parentContainer->getWindowHandle();
- else
- *widget = nullptr;
- }
-
-#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
- controlPortOffset += 1;
-#endif
-#if JucePlugin_ProducesMidiOutput
- controlPortOffset += 1;
-#endif
- controlPortOffset += 2; // freewheel and latency
- controlPortOffset += JucePlugin_MaxNumInputChannels;
- controlPortOffset += JucePlugin_MaxNumOutputChannels;
-
- lastProgramCount = filter->getNumPrograms();
- }
-
- ~JuceLv2UIWrapper()
- {
- PopupMenu::dismissAllActiveMenus();
-
- filter->removeListener(this);
-
- parentContainer = nullptr;
- externalUI = nullptr;
- externalUIHost = nullptr;
-
- if (editor != nullptr)
- {
- filter->editorBeingDeleted (editor);
- editor = nullptr;
- }
- }
-
- //==============================================================================
- // LV2 core calls
-
- void lv2Cleanup()
- {
- const MessageManagerLock mmLock;
-
- if (isExternal)
- {
- if (isTimerRunning())
- stopTimer();
-
- externalUIHost = nullptr;
-
- if (externalUI != nullptr)
- {
- lastExternalUIPos = externalUI->getScreenPosition();
- externalUI->close();
- }
- }
- else
- {
- if (parentContainer != nullptr && parentContainer->isOnDesktop())
- parentContainer->removeFromDesktop();
- }
- }
-
- //==============================================================================
- // Juce calls
-
- void audioProcessorParameterChanged (AudioProcessor*, int index, float newValue)
- {
- if (writeFunction != nullptr && controller != nullptr)
- writeFunction (controller, index + controlPortOffset, sizeof (float), 0, &newValue);
- }
-
- void audioProcessorChanged (AudioProcessor*)
- {
- if (filter != nullptr && programsHost != nullptr)
- {
- if (filter->getNumPrograms() != lastProgramCount)
- {
- programsHost->program_changed (programsHost->handle, -1);
- lastProgramCount = filter->getNumPrograms();
- }
- else
- programsHost->program_changed (programsHost->handle, filter->getCurrentProgram());
- }
- }
-
- void audioProcessorParameterChangeGestureBegin (AudioProcessor*, int parameterIndex)
- {
- if (uiTouch != nullptr)
- uiTouch->touch (uiTouch->handle, parameterIndex + controlPortOffset, true);
- }
-
- void audioProcessorParameterChangeGestureEnd (AudioProcessor*, int parameterIndex)
- {
- if (uiTouch != nullptr)
- uiTouch->touch (uiTouch->handle, parameterIndex + controlPortOffset, false);
- }
-
- void timerCallback()
- {
- if (externalUI != nullptr && externalUI->isClosed())
- {
- if (externalUIHost != nullptr)
- externalUIHost->ui_closed (controller);
-
- if (isTimerRunning())
- stopTimer();
- }
- }
-
- //==============================================================================
- void resetIfNeeded (LV2UI_Write_Function writeFunction_, LV2UI_Controller controller_, LV2UI_Widget* widget,
- const LV2_Feature* const* features)
- {
- writeFunction = writeFunction_;
- controller = controller_;
- uiTouch = nullptr;
- programsHost = nullptr;
-
- for (int i = 0; features[i] != nullptr; ++i)
- {
- if (strcmp(features[i]->URI, LV2_UI__touch) == 0)
- uiTouch = (const LV2UI_Touch*)features[i]->data;
-
- else if (strcmp(features[i]->URI, LV2_PROGRAMS__Host) == 0)
- programsHost = (const LV2_Programs_Host*)features[i]->data;
- }
-
- if (isExternal)
- {
- resetExternalUI (features);
- *widget = externalUI;
- }
- else
- {
- resetParentUI (features);
- *widget = parentContainer->getWindowHandle();
- }
- }
-
- void repaint()
- {
- const MessageManagerLock mmLock;
-
- if (editor != nullptr)
- editor->repaint();
-
- if (parentContainer != nullptr)
- parentContainer->repaint();
-
- if (externalUI != nullptr)
- externalUI->repaint();
- }
-
-private:
- AudioProcessor* const filter;
- ScopedPointer<AudioProcessorEditor> editor;
-
- LV2UI_Write_Function writeFunction;
- LV2UI_Controller controller;
- const bool isExternal;
-
- uint32 controlPortOffset;
- int lastProgramCount;
-
- const LV2UI_Touch* uiTouch;
- const LV2_Programs_Host* programsHost;
-
- ScopedPointer<JuceLv2ExternalUIWrapper> externalUI;
- const LV2_External_UI_Host* externalUIHost;
- Point<int> lastExternalUIPos;
-
- ScopedPointer<JuceLv2ParentContainer> parentContainer;
- const LV2UI_Resize* uiResize;
-
- //==============================================================================
- void resetExternalUI (const LV2_Feature* const* features)
- {
- externalUIHost = nullptr;
-
- for (int i = 0; features[i] != nullptr; ++i)
- {
- if (strcmp(features[i]->URI, LV2_EXTERNAL_UI__Host) == 0)
- {
- externalUIHost = (const LV2_External_UI_Host*)features[i]->data;
- break;
- }
- }
-
- if (externalUI != nullptr)
- {
- String title(filter->getName());
-
- if (externalUIHost->plugin_human_id != nullptr)
- title = externalUIHost->plugin_human_id;
-
- if (lastExternalUIPos.getX() != -1 && lastExternalUIPos.getY() != -1)
- externalUI->setScreenPos(lastExternalUIPos.getX(), lastExternalUIPos.getY());
-
- externalUI->reset(title);
- startTimer (100);
- }
- }
-
- void resetParentUI (const LV2_Feature* const* features)
- {
- void* parent = nullptr;
- uiResize = nullptr;
-
- for (int i = 0; features[i] != nullptr; ++i)
- {
- if (strcmp(features[i]->URI, LV2_UI__parent) == 0)
- parent = features[i]->data;
-
- else if (strcmp(features[i]->URI, LV2_UI__resize) == 0)
- uiResize = (const LV2UI_Resize*)features[i]->data;
- }
-
- if (parent != nullptr)
- {
- if (parentContainer == nullptr)
- parentContainer = new JuceLv2ParentContainer (editor, uiResize);
-
- parentContainer->setVisible (false);
-
- if (parentContainer->isOnDesktop())
- parentContainer->removeFromDesktop();
-
- parentContainer->addToDesktop (0, parent);
-
-#if JUCE_LINUX
- Window hostWindow = (Window) parent;
- Window editorWnd = (Window) parentContainer->getWindowHandle();
- XReparentWindow (display, editorWnd, hostWindow, 0, 0);
-#endif
-
- parentContainer->reset (uiResize);
- parentContainer->setVisible (true);
- }
- }
-
- JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2UIWrapper)
-};
-
-//==============================================================================
-/**
- Juce LV2 handle
-*/
-class JuceLv2Wrapper : public AudioPlayHead
-{
-public:
- //==============================================================================
- JuceLv2Wrapper (double sampleRate_, const LV2_Feature* const* features)
- : numInChans (JucePlugin_MaxNumInputChannels),
- numOutChans (JucePlugin_MaxNumOutputChannels),
- bufferSize (2048),
- sampleRate (sampleRate_),
- uridMap (nullptr),
- uridAtomBlank (0),
- uridAtomObject (0),
- uridAtomDouble (0),
- uridAtomFloat (0),
- uridAtomInt (0),
- uridAtomLong (0),
- uridAtomSequence (0),
- uridMidiEvent (0),
- uridTimePos (0),
- uridTimeBar (0),
- uridTimeBarBeat (0),
- uridTimeBeatsPerBar (0),
- uridTimeBeatsPerMinute (0),
- uridTimeBeatUnit (0),
- uridTimeFrame (0),
- uridTimeSpeed (0),
- usingNominalBlockLength (false)
- {
- filter = createPluginFilterOfType (AudioProcessor::wrapperType_VST); // FIXME
- jassert (filter != nullptr);
-
- filter->setPlayConfigDetails (numInChans, numOutChans, 0, 0);
- filter->setPlayHead (this);
-
-#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
- portEventsIn = nullptr;
-#endif
-#if JucePlugin_ProducesMidiOutput
- portMidiOut = nullptr;
-#endif
-
- portFreewheel = nullptr;
- portLatency = nullptr;
-
- for (int i=0; i < numInChans; ++i)
- portAudioIns[i] = nullptr;
- for (int i=0; i < numOutChans; ++i)
- portAudioOuts[i] = nullptr;
-
- portControls.insertMultiple (0, nullptr, filter->getNumParameters());
-
- for (int i=0; i < filter->getNumParameters(); ++i)
- lastControlValues.add (filter->getParameter(i));
-
- curPosInfo.resetToDefault();
-
- // we need URID_Map first
- for (int i=0; features[i] != nullptr; ++i)
- {
- if (strcmp(features[i]->URI, LV2_URID__map) == 0)
- {
- uridMap = (const LV2_URID_Map*)features[i]->data;
- break;
- }
- }
-
- // we require uridMap to work properly (it's set as required feature)
- jassert (uridMap != nullptr);
-
- if (uridMap != nullptr)
- {
- uridAtomBlank = uridMap->map(uridMap->handle, LV2_ATOM__Blank);
- uridAtomObject = uridMap->map(uridMap->handle, LV2_ATOM__Object);
- uridAtomDouble = uridMap->map(uridMap->handle, LV2_ATOM__Double);
- uridAtomFloat = uridMap->map(uridMap->handle, LV2_ATOM__Float);
- uridAtomInt = uridMap->map(uridMap->handle, LV2_ATOM__Int);
- uridAtomLong = uridMap->map(uridMap->handle, LV2_ATOM__Long);
- uridAtomSequence = uridMap->map(uridMap->handle, LV2_ATOM__Sequence);
- uridMidiEvent = uridMap->map(uridMap->handle, LV2_MIDI__MidiEvent);
- uridTimePos = uridMap->map(uridMap->handle, LV2_TIME__Position);
- uridTimeBar = uridMap->map(uridMap->handle, LV2_TIME__bar);
- uridTimeBarBeat = uridMap->map(uridMap->handle, LV2_TIME__barBeat);
- uridTimeBeatsPerBar = uridMap->map(uridMap->handle, LV2_TIME__beatsPerBar);
- uridTimeBeatsPerMinute = uridMap->map(uridMap->handle, LV2_TIME__beatsPerMinute);
- uridTimeBeatUnit = uridMap->map(uridMap->handle, LV2_TIME__beatUnit);
- uridTimeFrame = uridMap->map(uridMap->handle, LV2_TIME__frame);
- uridTimeSpeed = uridMap->map(uridMap->handle, LV2_TIME__speed);
-
- for (int i=0; features[i] != nullptr; ++i)
- {
- if (strcmp(features[i]->URI, LV2_OPTIONS__options) == 0)
- {
- const LV2_Options_Option* options = (const LV2_Options_Option*)features[i]->data;
-
- for (int j=0; options[j].key != 0; ++j)
- {
- if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__nominalBlockLength))
- {
- if (options[j].type == uridAtomInt)
- {
- bufferSize = *(int*)options[j].value;
- usingNominalBlockLength = true;
- }
- else
- {
- std::cerr << "Host provides nominalBlockLength but has wrong value type" << std::endl;
- }
- break;
- }
-
- if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__maxBlockLength))
- {
- if (options[j].type == uridAtomInt)
- bufferSize = *(int*)options[j].value;
- else
- std::cerr << "Host provides maxBlockLength but has wrong value type" << std::endl;
-
- // no break, continue in case host supports nominalBlockLength
- }
- }
- break;
- }
- }
- }
-
- progDesc.bank = 0;
- progDesc.program = 0;
- progDesc.name = nullptr;
- }
-
- ~JuceLv2Wrapper ()
- {
- const MessageManagerLock mmLock;
-
- ui = nullptr;
- filter = nullptr;
-
- if (progDesc.name != nullptr)
- free((void*)progDesc.name);
-
- portControls.clear();
- lastControlValues.clear();
- }
-
- //==============================================================================
- // LV2 core calls
-
- void lv2ConnectPort (uint32 portId, void* dataLocation)
- {
- uint32 index = 0;
-
-#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
- if (portId == index++)
- {
- portEventsIn = (LV2_Atom_Sequence*)dataLocation;
- return;
- }
-#endif
-
-#if JucePlugin_ProducesMidiOutput
- if (portId == index++)
- {
- portMidiOut = (LV2_Atom_Sequence*)dataLocation;
- return;
- }
-#endif
-
- if (portId == index++)
- {
- portFreewheel = (float*)dataLocation;
- return;
- }
-
- if (portId == index++)
- {
- portLatency = (float*)dataLocation;
- return;
- }
-
- for (int i=0; i < numInChans; ++i)
- {
- if (portId == index++)
- {
- portAudioIns[i] = (float*)dataLocation;
- return;
- }
- }
-
- for (int i=0; i < numOutChans; ++i)
- {
- if (portId == index++)
- {
- portAudioOuts[i] = (float*)dataLocation;
- return;
- }
- }
-
- for (int i=0; i < filter->getNumParameters(); ++i)
- {
- if (portId == index++)
- {
- portControls.set(i, (float*)dataLocation);
- return;
- }
- }
- }
-
- void lv2Activate()
- {
- jassert (filter != nullptr);
-
- filter->prepareToPlay (sampleRate, bufferSize);
- filter->setPlayConfigDetails (numInChans, numOutChans, sampleRate, bufferSize);
-
- channels.calloc (numInChans + numOutChans);
-
-#if (JucePlugin_WantsMidiInput || JucePlugin_ProducesMidiOutput)
- midiEvents.ensureSize (2048);
- midiEvents.clear();
-#endif
- }
-
- void lv2Deactivate()
- {
- jassert (filter != nullptr);
-
- filter->releaseResources();
-
- channels.free();
- }
-
- void lv2Run (uint32 sampleCount)
- {
- jassert (filter != nullptr);
-
- if (portLatency != nullptr)
- *portLatency = filter->getLatencySamples();
-
- if (portFreewheel != nullptr)
- filter->setNonRealtime (*portFreewheel >= 0.5f);
-
- if (sampleCount == 0)
- {
- /**
- LV2 pre-roll
- Hosts might use this to force plugins to update its output control ports.
- (plugins can only access port locations during run) */
- return;
- }
-
- // Check for updated parameters
- {
- float curValue;
-
- for (int i = 0; i < portControls.size(); ++i)
- {
- if (portControls[i] != nullptr)
- {
- curValue = *portControls[i];
-
- if (lastControlValues[i] != curValue)
- {
- filter->setParameter (i, curValue);
- lastControlValues.setUnchecked (i, curValue);
- }
- }
- }
- }
-
- {
- const ScopedLock sl (filter->getCallbackLock());
-
- if (filter->isSuspended() && false)
- {
- for (int i = 0; i < numOutChans; ++i)
- zeromem (portAudioOuts[i], sizeof (float) * sampleCount);
- }
- else
- {
- int i;
- for (i = 0; i < numOutChans; ++i)
- {
- channels[i] = portAudioOuts[i];
-
- if (i < numInChans && portAudioIns[i] != portAudioOuts[i])
- FloatVectorOperations::copy (portAudioOuts [i], portAudioIns[i], sampleCount);
- }
-
- for (; i < numInChans; ++i)
- channels [i] = portAudioIns[i];
-
-#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
- if (portEventsIn != nullptr)
- {
- midiEvents.clear();
-
- LV2_ATOM_SEQUENCE_FOREACH(portEventsIn, iter)
- {
- const LV2_Atom_Event* event = (const LV2_Atom_Event*)iter;
-
- if (event == nullptr)
- continue;
- if (event->time.frames >= sampleCount)
- break;
-
- #if JucePlugin_WantsMidiInput
- if (event->body.type == uridMidiEvent)
- {
- const uint8* data = (const uint8*)(event + 1);
- midiEvents.addEvent(data, event->body.size, event->time.frames);
- continue;
- }
- #endif
- #if JucePlugin_WantsLV2TimePos
- if (event->body.type == uridAtomBlank || event->body.type == uridAtomObject)
- {
- const LV2_Atom_Object* obj = (LV2_Atom_Object*)&event->body;
-
- if (obj->body.otype != uridTimePos)
- continue;
-
- LV2_Atom* bar = nullptr;
- LV2_Atom* barBeat = nullptr;
- LV2_Atom* beatUnit = nullptr;
- LV2_Atom* beatsPerBar = nullptr;
- LV2_Atom* beatsPerMinute = nullptr;
- LV2_Atom* frame = nullptr;
- LV2_Atom* speed = nullptr;
-
- lv2_atom_object_get (obj,
- uridTimeBar, &bar,
- uridTimeBarBeat, &barBeat,
- uridTimeBeatUnit, &beatUnit,
- uridTimeBeatsPerBar, &beatsPerBar,
- uridTimeBeatsPerMinute, &beatsPerMinute,
- uridTimeFrame, &frame,
- uridTimeSpeed, &speed,
- nullptr);
-
- // need to handle this first as other values depend on it
- if (speed != nullptr)
- {
- /**/ if (speed->type == uridAtomDouble)
- lastPositionData.speed = ((LV2_Atom_Double*)speed)->body;
- else if (speed->type == uridAtomFloat)
- lastPositionData.speed = ((LV2_Atom_Float*)speed)->body;
- else if (speed->type == uridAtomInt)
- lastPositionData.speed = ((LV2_Atom_Int*)speed)->body;
- else if (speed->type == uridAtomLong)
- lastPositionData.speed = ((LV2_Atom_Long*)speed)->body;
-
- curPosInfo.isPlaying = lastPositionData.speed != 0.0;
- }
-
- if (bar != nullptr)
- {
- /**/ if (bar->type == uridAtomDouble)
- lastPositionData.bar = ((LV2_Atom_Double*)bar)->body;
- else if (bar->type == uridAtomFloat)
- lastPositionData.bar = ((LV2_Atom_Float*)bar)->body;
- else if (bar->type == uridAtomInt)
- lastPositionData.bar = ((LV2_Atom_Int*)bar)->body;
- else if (bar->type == uridAtomLong)
- lastPositionData.bar = ((LV2_Atom_Long*)bar)->body;
- }
-
- if (barBeat != nullptr)
- {
- /**/ if (barBeat->type == uridAtomDouble)
- lastPositionData.barBeat = ((LV2_Atom_Double*)barBeat)->body;
- else if (barBeat->type == uridAtomFloat)
- lastPositionData.barBeat = ((LV2_Atom_Float*)barBeat)->body;
- else if (barBeat->type == uridAtomInt)
- lastPositionData.barBeat = ((LV2_Atom_Int*)barBeat)->body;
- else if (barBeat->type == uridAtomLong)
- lastPositionData.barBeat = ((LV2_Atom_Long*)barBeat)->body;
- }
-
- if (beatUnit != nullptr)
- {
- /**/ if (beatUnit->type == uridAtomDouble)
- lastPositionData.beatUnit = ((LV2_Atom_Double*)beatUnit)->body;
- else if (beatUnit->type == uridAtomFloat)
- lastPositionData.beatUnit = ((LV2_Atom_Float*)beatUnit)->body;
- else if (beatUnit->type == uridAtomInt)
- lastPositionData.beatUnit = ((LV2_Atom_Int*)beatUnit)->body;
- else if (beatUnit->type == uridAtomLong)
- lastPositionData.beatUnit = ((LV2_Atom_Long*)beatUnit)->body;
-
- if (lastPositionData.beatUnit > 0)
- curPosInfo.timeSigDenominator = lastPositionData.beatUnit;
- }
-
- if (beatsPerBar != nullptr)
- {
- /**/ if (beatsPerBar->type == uridAtomDouble)
- lastPositionData.beatsPerBar = ((LV2_Atom_Double*)beatsPerBar)->body;
- else if (beatsPerBar->type == uridAtomFloat)
- lastPositionData.beatsPerBar = ((LV2_Atom_Float*)beatsPerBar)->body;
- else if (beatsPerBar->type == uridAtomInt)
- lastPositionData.beatsPerBar = ((LV2_Atom_Int*)beatsPerBar)->body;
- else if (beatsPerBar->type == uridAtomLong)
- lastPositionData.beatsPerBar = ((LV2_Atom_Long*)beatsPerBar)->body;
-
- if (lastPositionData.beatsPerBar > 0.0f)
- curPosInfo.timeSigNumerator = lastPositionData.beatsPerBar;
- }
-
- if (beatsPerMinute != nullptr)
- {
- /**/ if (beatsPerMinute->type == uridAtomDouble)
- lastPositionData.beatsPerMinute = ((LV2_Atom_Double*)beatsPerMinute)->body;
- else if (beatsPerMinute->type == uridAtomFloat)
- lastPositionData.beatsPerMinute = ((LV2_Atom_Float*)beatsPerMinute)->body;
- else if (beatsPerMinute->type == uridAtomInt)
- lastPositionData.beatsPerMinute = ((LV2_Atom_Int*)beatsPerMinute)->body;
- else if (beatsPerMinute->type == uridAtomLong)
- lastPositionData.beatsPerMinute = ((LV2_Atom_Long*)beatsPerMinute)->body;
-
- if (lastPositionData.beatsPerMinute > 0.0f)
- {
- curPosInfo.bpm = lastPositionData.beatsPerMinute;
-
- if (lastPositionData.speed != 0)
- curPosInfo.bpm *= std::abs(lastPositionData.speed);
- }
- }
-
- if (frame != nullptr)
- {
- /**/ if (frame->type == uridAtomDouble)
- lastPositionData.frame = ((LV2_Atom_Double*)frame)->body;
- else if (frame->type == uridAtomFloat)
- lastPositionData.frame = ((LV2_Atom_Float*)frame)->body;
- else if (frame->type == uridAtomInt)
- lastPositionData.frame = ((LV2_Atom_Int*)frame)->body;
- else if (frame->type == uridAtomLong)
- lastPositionData.frame = ((LV2_Atom_Long*)frame)->body;
-
- if (lastPositionData.frame >= 0)
- {
- curPosInfo.timeInSamples = lastPositionData.frame;
- curPosInfo.timeInSeconds = double(curPosInfo.timeInSamples)/sampleRate;
- }
- }
-
- if (lastPositionData.bar >= 0 && lastPositionData.beatsPerBar > 0.0f)
- {
- curPosInfo.ppqPositionOfLastBarStart = lastPositionData.bar * lastPositionData.beatsPerBar;
-
- if (lastPositionData.barBeat >= 0.0f)
- curPosInfo.ppqPosition = curPosInfo.ppqPositionOfLastBarStart + lastPositionData.barBeat;
- }
-
- lastPositionData.extraValid = (lastPositionData.beatsPerMinute > 0.0 &&
- lastPositionData.beatUnit > 0 &&
- lastPositionData.beatsPerBar > 0.0f);
- }
- #endif
- }
- }
-#endif
- {
- AudioSampleBuffer chans (channels, jmax (numInChans, numOutChans), sampleCount);
- filter->processBlock (chans, midiEvents);
- }
- }
- }
-
-#if JucePlugin_WantsLV2TimePos
- // update timePos for next callback
- if (lastPositionData.speed != 0.0)
- {
- if (lastPositionData.speed > 0.0)
- {
- // playing forwards
- lastPositionData.frame += sampleCount;
- }
- else
- {
- // playing backwards
- lastPositionData.frame -= sampleCount;
-
- if (lastPositionData.frame < 0)
- lastPositionData.frame = 0;
- }
-
- curPosInfo.timeInSamples = lastPositionData.frame;
- curPosInfo.timeInSeconds = double(curPosInfo.timeInSamples)/sampleRate;
-
- if (lastPositionData.extraValid)
- {
- const double beatsPerMinute = lastPositionData.beatsPerMinute * lastPositionData.speed;
- const double framesPerBeat = 60.0 * sampleRate / beatsPerMinute;
- const double addedBarBeats = double(sampleCount) / framesPerBeat;
-
- if (lastPositionData.bar >= 0 && lastPositionData.barBeat >= 0.0f)
- {
- lastPositionData.bar += std::floor((lastPositionData.barBeat+addedBarBeats)/
- lastPositionData.beatsPerBar);
- lastPositionData.barBeat = std::fmod(lastPositionData.barBeat+addedBarBeats,
- lastPositionData.beatsPerBar);
-
- if (lastPositionData.bar < 0)
- lastPositionData.bar = 0;
-
- curPosInfo.ppqPositionOfLastBarStart = lastPositionData.bar * lastPositionData.beatsPerBar;
- curPosInfo.ppqPosition = curPosInfo.ppqPositionOfLastBarStart + lastPositionData.barBeat;
- }
-
- curPosInfo.bpm = std::abs(beatsPerMinute);
- }
- }
-#endif
-
- if (! midiEvents.isEmpty())
- {
-#if JucePlugin_ProducesMidiOutput
- if (portMidiOut != nullptr)
- {
- const uint8* midiEventData;
- int midiEventSize, midiEventPosition;
- MidiBuffer::Iterator i (midiEvents);
-
- uint32_t size, offset = 0;
- LV2_Atom_Event* aev;
-
- const uint32_t capacity = portMidiOut->atom.size;
-
- portMidiOut->atom.size = 0;
- portMidiOut->atom.type = uridAtomSequence;
- portMidiOut->body.unit = 0;
- portMidiOut->body.pad = 0;
-
- while (i.getNextEvent (midiEventData, midiEventSize, midiEventPosition))
- {
- jassert (midiEventPosition >= 0 && midiEventPosition < (int)sampleCount);
-
- if (sizeof(LV2_Atom_Event) + midiEventSize > capacity - offset)
- break;
-
- aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, portMidiOut) + offset);
- aev->time.frames = midiEventPosition;
- aev->body.type = uridMidiEvent;
- aev->body.size = midiEventSize;
- memcpy(LV2_ATOM_BODY(&aev->body), midiEventData, midiEventSize);
-
- size = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + midiEventSize);
- offset += size;
- portMidiOut->atom.size += size;
- }
- }
-#endif
- midiEvents.clear();
- }
- }
-
- //==============================================================================
- // LV2 extended calls
-
- uint32_t lv2GetOptions (LV2_Options_Option* options)
- {
- // currently unused
- return LV2_OPTIONS_SUCCESS;
- }
-
- uint32_t lv2SetOptions (const LV2_Options_Option* options)
- {
- for (int j=0; options[j].key != 0; ++j)
- {
- if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__nominalBlockLength))
- {
- if (options[j].type == uridAtomInt)
- bufferSize = *(int*)options[j].value;
- else
- std::cerr << "Host changed nominalBlockLength but with wrong value type" << std::endl;
- }
- else if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__maxBlockLength) && ! usingNominalBlockLength)
- {
- if (options[j].type == uridAtomInt)
- bufferSize = *(int*)options[j].value;
- else
- std::cerr << "Host changed maxBlockLength but with wrong value type" << std::endl;
- }
- else if (options[j].key == uridMap->map(uridMap->handle, LV2_CORE__sampleRate))
- {
- if (options[j].type == uridAtomDouble)
- sampleRate = *(double*)options[j].value;
- else
- std::cerr << "Host changed sampleRate but with wrong value type" << std::endl;
- }
- }
-
- return LV2_OPTIONS_SUCCESS;
- }
-
- const LV2_Program_Descriptor* lv2GetProgram (uint32_t index)
- {
- jassert (filter != nullptr);
-
- if (progDesc.name != nullptr)
- {
- free((void*)progDesc.name);
- progDesc.name = nullptr;
- }
-
- if ((int)index < filter->getNumPrograms())
- {
- progDesc.bank = index / 128;
- progDesc.program = index % 128;
- progDesc.name = strdup(filter->getProgramName(index).toUTF8());
- return &progDesc;
- }
-
- return nullptr;
- }
-
- void lv2SelectProgram (uint32_t bank, uint32_t program)
- {
- jassert (filter != nullptr);
-
- int realProgram = bank * 128 + program;
-
- if (realProgram < filter->getNumPrograms())
- {
- filter->setCurrentProgram(realProgram);
-
- // update input control ports now
- for (int i = 0; i < portControls.size(); ++i)
- {
- float value = filter->getParameter(i);
-
- if (portControls[i] != nullptr)
- *portControls[i] = value;
-
- lastControlValues.set(i, value);
- }
- }
- }
-
- LV2_State_Status lv2SaveState (LV2_State_Store_Function store, LV2_State_Handle stateHandle)
- {
- jassert (filter != nullptr);
-
-#if JucePlugin_WantsLV2StateString
- String stateData(filter->getStateInformationString().replace("\r\n","\n"));
- CharPointer_UTF8 charData(stateData.toUTF8());
-
- store (stateHandle,
- uridMap->map(uridMap->handle, JUCE_LV2_STATE_STRING_URI),
- charData.getAddress(),
- charData.sizeInBytes(),
- uridMap->map(uridMap->handle, LV2_ATOM__String),
- LV2_STATE_IS_POD|LV2_STATE_IS_PORTABLE);
-#else
- MemoryBlock chunkMemory;
- filter->getCurrentProgramStateInformation (chunkMemory);
-
- store (stateHandle,
- uridMap->map(uridMap->handle, JUCE_LV2_STATE_BINARY_URI),
- chunkMemory.getData(),
- chunkMemory.getSize(),
- uridMap->map(uridMap->handle, LV2_ATOM__Chunk),
- LV2_STATE_IS_POD|LV2_STATE_IS_PORTABLE);
-#endif
-
- return LV2_STATE_SUCCESS;
- }
-
- LV2_State_Status lv2RestoreState (LV2_State_Retrieve_Function retrieve, LV2_State_Handle stateHandle, uint32_t flags)
- {
- jassert (filter != nullptr);
-
- size_t size = 0;
- uint32 type = 0;
- const void* data = retrieve (stateHandle,
-#if JucePlugin_WantsLV2StateString
- uridMap->map(uridMap->handle, JUCE_LV2_STATE_STRING_URI),
-#else
- uridMap->map(uridMap->handle, JUCE_LV2_STATE_BINARY_URI),
-#endif
- &size, &type, &flags);
-
- if (data == nullptr || size == 0 || type == 0)
- return LV2_STATE_ERR_UNKNOWN;
-
-#if JucePlugin_WantsLV2StateString
- if (type == uridMap->map (uridMap->handle, LV2_ATOM__String))
- {
- String stateData (CharPointer_UTF8(static_cast<const char*>(data)));
- filter->setStateInformationString (stateData);
-
- if (ui != nullptr)
- ui->repaint();
-
- return LV2_STATE_SUCCESS;
- }
-#else
- if (type == uridMap->map (uridMap->handle, LV2_ATOM__Chunk))
- {
- filter->setCurrentProgramStateInformation (data, size);
-
- if (ui != nullptr)
- ui->repaint();
-
- return LV2_STATE_SUCCESS;
- }
-#endif
-
- return LV2_STATE_ERR_BAD_TYPE;
- }
-
- //==============================================================================
- // Juce calls
-
- bool getCurrentPosition (AudioPlayHead::CurrentPositionInfo& info)
- {
-#if JucePlugin_WantsLV2TimePos
- info = curPosInfo;
- return true;
-#else
- return false;
-#endif
- }
-
- //==============================================================================
- JuceLv2UIWrapper* getUI (LV2UI_Write_Function writeFunction, LV2UI_Controller controller, LV2UI_Widget* widget,
- const LV2_Feature* const* features, bool isExternal)
- {
- const MessageManagerLock mmLock;
-
- if (ui != nullptr)
- ui->resetIfNeeded (writeFunction, controller, widget, features);
- else
- ui = new JuceLv2UIWrapper (filter, writeFunction, controller, widget, features, isExternal);
-
- return ui;
- }
-
-private:
-#if JUCE_LINUX
- SharedResourcePointer<SharedMessageThread> msgThread;
-#else
- SharedResourcePointer<ScopedJuceInitialiser_GUI> sharedJuceGUI;
-#endif
-
- ScopedPointer<AudioProcessor> filter;
- ScopedPointer<JuceLv2UIWrapper> ui;
- HeapBlock<float*> channels;
- MidiBuffer midiEvents;
- int numInChans, numOutChans;
-
-#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
- LV2_Atom_Sequence* portEventsIn;
-#endif
-#if JucePlugin_ProducesMidiOutput
- LV2_Atom_Sequence* portMidiOut;
-#endif
- float* portFreewheel;
- float* portLatency;
- float* portAudioIns[JucePlugin_MaxNumInputChannels];
- float* portAudioOuts[JucePlugin_MaxNumOutputChannels];
- Array<float*> portControls;
-
- uint32 bufferSize;
- double sampleRate;
- Array<float> lastControlValues;
- AudioPlayHead::CurrentPositionInfo curPosInfo;
-
- struct Lv2PositionData {
- int64_t bar;
- float barBeat;
- uint32_t beatUnit;
- float beatsPerBar;
- float beatsPerMinute;
- int64_t frame;
- double speed;
- bool extraValid;
-
- Lv2PositionData()
- : bar(-1),
- barBeat(-1.0f),
- beatUnit(0),
- beatsPerBar(0.0f),
- beatsPerMinute(0.0f),
- frame(-1),
- speed(0.0),
- extraValid(false) {}
- };
- Lv2PositionData lastPositionData;
-
- const LV2_URID_Map* uridMap;
- LV2_URID uridAtomBlank;
- LV2_URID uridAtomObject;
- LV2_URID uridAtomDouble;
- LV2_URID uridAtomFloat;
- LV2_URID uridAtomInt;
- LV2_URID uridAtomLong;
- LV2_URID uridAtomSequence;
- LV2_URID uridMidiEvent;
- LV2_URID uridTimePos;
- LV2_URID uridTimeBar;
- LV2_URID uridTimeBarBeat;
- LV2_URID uridTimeBeatsPerBar; // timeSigNumerator
- LV2_URID uridTimeBeatsPerMinute; // bpm
- LV2_URID uridTimeBeatUnit; // timeSigDenominator
- LV2_URID uridTimeFrame; // timeInSamples
- LV2_URID uridTimeSpeed;
-
- bool usingNominalBlockLength; // if false use maxBlockLength
-
- LV2_Program_Descriptor progDesc;
-
- JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2Wrapper)
-};
-
-//==============================================================================
-// LV2 descriptor functions
-
-static LV2_Handle juceLV2_Instantiate (const LV2_Descriptor*, double sampleRate, const char*, const LV2_Feature* const* features)
-{
- return new JuceLv2Wrapper (sampleRate, features);
-}
-
-#define handlePtr ((JuceLv2Wrapper*)handle)
-
-static void juceLV2_ConnectPort (LV2_Handle handle, uint32 port, void* dataLocation)
-{
- handlePtr->lv2ConnectPort (port, dataLocation);
-}
-
-static void juceLV2_Activate (LV2_Handle handle)
-{
- handlePtr->lv2Activate();
-}
-
-static void juceLV2_Run( LV2_Handle handle, uint32 sampleCount)
-{
- handlePtr->lv2Run (sampleCount);
-}
-
-static void juceLV2_Deactivate (LV2_Handle handle)
-{
- handlePtr->lv2Deactivate();
-}
-
-static void juceLV2_Cleanup (LV2_Handle handle)
-{
- delete handlePtr;
-}
-
-//==============================================================================
-// LV2 extended functions
-
-static uint32_t juceLV2_getOptions (LV2_Handle handle, LV2_Options_Option* options)
-{
- return handlePtr->lv2GetOptions(options);
-}
-
-static uint32_t juceLV2_setOptions (LV2_Handle handle, const LV2_Options_Option* options)
-{
- return handlePtr->lv2SetOptions(options);
-}
-
-static const LV2_Program_Descriptor* juceLV2_getProgram (LV2_Handle handle, uint32_t index)
-{
- return handlePtr->lv2GetProgram(index);
-}
-
-static void juceLV2_selectProgram (LV2_Handle handle, uint32_t bank, uint32_t program)
-{
- handlePtr->lv2SelectProgram(bank, program);
-}
-
-static LV2_State_Status juceLV2_SaveState (LV2_Handle handle, LV2_State_Store_Function store, LV2_State_Handle stateHandle,
- uint32_t, const LV2_Feature* const*)
-{
- return handlePtr->lv2SaveState(store, stateHandle);
-}
-
-static LV2_State_Status juceLV2_RestoreState (LV2_Handle handle, LV2_State_Retrieve_Function retrieve, LV2_State_Handle stateHandle,
- uint32_t flags, const LV2_Feature* const*)
-{
- return handlePtr->lv2RestoreState(retrieve, stateHandle, flags);
-}
-
-#undef handlePtr
-
-static const void* juceLV2_ExtensionData (const char* uri)
-{
- static const LV2_Options_Interface options = { juceLV2_getOptions, juceLV2_setOptions };
- static const LV2_Programs_Interface programs = { juceLV2_getProgram, juceLV2_selectProgram };
- static const LV2_State_Interface state = { juceLV2_SaveState, juceLV2_RestoreState };
-
- if (strcmp(uri, LV2_OPTIONS__interface) == 0)
- return &options;
- if (strcmp(uri, LV2_PROGRAMS__Interface) == 0)
- return &programs;
- if (strcmp(uri, LV2_STATE__interface) == 0)
- return &state;
-
- return nullptr;
-}
-
-//==============================================================================
-// LV2 UI descriptor functions
-
-static LV2UI_Handle juceLV2UI_Instantiate (LV2UI_Write_Function writeFunction, LV2UI_Controller controller,
- LV2UI_Widget* widget, const LV2_Feature* const* features, bool isExternal)
-{
- for (int i = 0; features[i] != nullptr; ++i)
- {
- if (strcmp(features[i]->URI, LV2_INSTANCE_ACCESS_URI) == 0 && features[i]->data != nullptr)
- {
- JuceLv2Wrapper* wrapper = (JuceLv2Wrapper*)features[i]->data;
- return wrapper->getUI(writeFunction, controller, widget, features, isExternal);
- }
- }
-
- std::cerr << "Host does not support instance-access, cannot use UI" << std::endl;
- return nullptr;
-}
-
-static LV2UI_Handle juceLV2UI_InstantiateExternal (const LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function writeFunction,
- LV2UI_Controller controller, LV2UI_Widget* widget, const LV2_Feature* const* features)
-{
- return juceLV2UI_Instantiate(writeFunction, controller, widget, features, true);
-}
-
-static LV2UI_Handle juceLV2UI_InstantiateParent (const LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function writeFunction,
- LV2UI_Controller controller, LV2UI_Widget* widget, const LV2_Feature* const* features)
-{
- return juceLV2UI_Instantiate(writeFunction, controller, widget, features, false);
-}
-
-static void juceLV2UI_Cleanup (LV2UI_Handle handle)
-{
- ((JuceLv2UIWrapper*)handle)->lv2Cleanup();
-}
-
-//==============================================================================
-// static LV2 Descriptor objects
-
-static const LV2_Descriptor JuceLv2Plugin = {
- strdup(getPluginURI().toRawUTF8()),
- juceLV2_Instantiate,
- juceLV2_ConnectPort,
- juceLV2_Activate,
- juceLV2_Run,
- juceLV2_Deactivate,
- juceLV2_Cleanup,
- juceLV2_ExtensionData
-};
-
-static const LV2UI_Descriptor JuceLv2UI_External = {
- strdup(String(getPluginURI() + "#ExternalUI").toRawUTF8()),
- juceLV2UI_InstantiateExternal,
- juceLV2UI_Cleanup,
- nullptr,
- nullptr
-};
-
-static const LV2UI_Descriptor JuceLv2UI_Parent = {
- strdup(String(getPluginURI() + "#ParentUI").toRawUTF8()),
- juceLV2UI_InstantiateParent,
- juceLV2UI_Cleanup,
- nullptr,
- nullptr
-};
-
-static const struct DescriptorCleanup {
- DescriptorCleanup() {}
- ~DescriptorCleanup()
- {
- free((void*)JuceLv2Plugin.URI);
- free((void*)JuceLv2UI_External.URI);
- free((void*)JuceLv2UI_Parent.URI);
- }
-} _descCleanup;
-
-#if JUCE_WINDOWS
- #define JUCE_EXPORTED_FUNCTION extern "C" __declspec (dllexport)
-#else
- #define JUCE_EXPORTED_FUNCTION extern "C" __attribute__ ((visibility("default")))
-#endif
-
-//==============================================================================
-// startup code..
-
-JUCE_EXPORTED_FUNCTION void lv2_generate_ttl (const char* basename);
-JUCE_EXPORTED_FUNCTION void lv2_generate_ttl (const char* basename)
-{
- createLv2Files (basename);
-}
-
-JUCE_EXPORTED_FUNCTION const LV2_Descriptor* lv2_descriptor (uint32 index);
-JUCE_EXPORTED_FUNCTION const LV2_Descriptor* lv2_descriptor (uint32 index)
-{
- return (index == 0) ? &JuceLv2Plugin : nullptr;
-}
-
-JUCE_EXPORTED_FUNCTION const LV2UI_Descriptor* lv2ui_descriptor (uint32 index);
-JUCE_EXPORTED_FUNCTION const LV2UI_Descriptor* lv2ui_descriptor (uint32 index)
-{
- switch (index)
- {
- case 0:
- return &JuceLv2UI_External;
- case 1:
- return &JuceLv2UI_Parent;
- default:
- return nullptr;
- }
-}
-
-#endif
--- /dev/null
+/*
+ LV2 External UI extension
+ This work is in public domain.
+
+ This file 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.
+
+ If you have questions, contact Filipe Coelho (aka falkTX) <falktx@falktx.com>
+ or ask in #lad channel, FreeNode IRC network.
+*/
+
+/**
+ @file lv2_external_ui.h
+ C header for the LV2 External UI extension <http://kxstudio.sf.net/ns/lv2ext/external-ui>.
+*/
+
+#ifndef LV2_EXTERNAL_UI_H
+#define LV2_EXTERNAL_UI_H
+
+#include "ui.h"
+
+#define LV2_EXTERNAL_UI_URI "http://kxstudio.sf.net/ns/lv2ext/external-ui"
+#define LV2_EXTERNAL_UI_PREFIX LV2_EXTERNAL_UI_URI "#"
+
+#define LV2_EXTERNAL_UI__Host LV2_EXTERNAL_UI_PREFIX "Host"
+#define LV2_EXTERNAL_UI__Widget LV2_EXTERNAL_UI_PREFIX "Widget"
+
+/** This extension used to be defined by a lv2plug.in URI */
+#define LV2_EXTERNAL_UI_DEPRECATED_URI "http://lv2plug.in/ns/extensions/ui#external"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * When LV2_EXTERNAL_UI__Widget UI is instantiated, the returned
+ * LV2UI_Widget handle must be cast to pointer to LV2_External_UI_Widget.
+ * UI is created in invisible state.
+ */
+typedef struct _LV2_External_UI_Widget {
+ /**
+ * Host calls this function regulary. UI library implementing the
+ * callback may do IPC or redraw the UI.
+ *
+ * @param _this_ the UI context
+ */
+ void (*run)(struct _LV2_External_UI_Widget * _this_);
+
+ /**
+ * Host calls this function to make the plugin UI visible.
+ *
+ * @param _this_ the UI context
+ */
+ void (*show)(struct _LV2_External_UI_Widget * _this_);
+
+ /**
+ * Host calls this function to make the plugin UI invisible again.
+ *
+ * @param _this_ the UI context
+ */
+ void (*hide)(struct _LV2_External_UI_Widget * _this_);
+
+} LV2_External_UI_Widget;
+
+#define LV2_EXTERNAL_UI_RUN(ptr) (ptr)->run(ptr)
+#define LV2_EXTERNAL_UI_SHOW(ptr) (ptr)->show(ptr)
+#define LV2_EXTERNAL_UI_HIDE(ptr) (ptr)->hide(ptr)
+
+/**
+ * On UI instantiation, host must supply LV2_EXTERNAL_UI__Host feature.
+ * LV2_Feature::data must be pointer to LV2_External_UI_Host.
+ */
+typedef struct _LV2_External_UI_Host {
+ /**
+ * Callback that plugin UI will call when UI (GUI window) is closed by user.
+ * This callback will be called during execution of LV2_External_UI_Widget::run()
+ * (i.e. not from background thread).
+ *
+ * After this callback is called, UI is defunct. Host must call LV2UI_Descriptor::cleanup().
+ * If host wants to make the UI visible again, the UI must be reinstantiated.
+ *
+ * @note When using the depreated URI LV2_EXTERNAL_UI_DEPRECATED_URI,
+ * some hosts will not call LV2UI_Descriptor::cleanup() as they should,
+ * and may call show() again without re-initialization.
+ *
+ * @param controller Host context associated with plugin UI, as
+ * supplied to LV2UI_Descriptor::instantiate().
+ */
+ void (*ui_closed)(LV2UI_Controller controller);
+
+ /**
+ * Optional (may be NULL) "user friendly" identifier which the UI
+ * may display to allow a user to easily associate this particular
+ * UI instance with the correct plugin instance as it is represented
+ * by the host (e.g. "track 1" or "channel 4").
+ *
+ * If supplied by host, the string will be referenced only during
+ * LV2UI_Descriptor::instantiate()
+ */
+ const char * plugin_human_id;
+
+} LV2_External_UI_Host;
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* LV2_EXTERNAL_UI_H */
--- /dev/null
+/*
+ LV2 Programs Extension
+ Copyright 2012 Filipe Coelho <falktx@falktx.com>
+
+ Permission to use, copy, modify, and/or distribute this software for any
+ purpose with or without fee is hereby granted, provided that the above
+ copyright notice and this permission notice appear in all copies.
+
+ THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/**
+ @file lv2_programs.h
+ C header for the LV2 programs extension <http://kxstudio.sf.net/ns/lv2ext/programs>.
+*/
+
+#ifndef LV2_PROGRAMS_H
+#define LV2_PROGRAMS_H
+
+#include "lv2.h"
+#include "ui.h"
+
+#define LV2_PROGRAMS_URI "http://kxstudio.sf.net/ns/lv2ext/programs"
+#define LV2_PROGRAMS_PREFIX LV2_PROGRAMS_URI "#"
+
+#define LV2_PROGRAMS__Host LV2_PROGRAMS_PREFIX "Host"
+#define LV2_PROGRAMS__Interface LV2_PROGRAMS_PREFIX "Interface"
+#define LV2_PROGRAMS__UIInterface LV2_PROGRAMS_PREFIX "UIInterface"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void* LV2_Programs_Handle;
+
+typedef struct _LV2_Program_Descriptor {
+
+ /** Bank number for this program. Note that this extension does not
+ support MIDI-style separation of bank LSB and MSB values. There is
+ no restriction on the set of available banks: the numbers do not
+ need to be contiguous, there does not need to be a bank 0, etc. */
+ uint32_t bank;
+
+ /** Program number (unique within its bank) for this program. There is
+ no restriction on the set of available programs: the numbers do not
+ need to be contiguous, there does not need to be a program 0, etc. */
+ uint32_t program;
+
+ /** Name of the program. */
+ const char * name;
+
+} LV2_Program_Descriptor;
+
+/**
+ Programs extension, plugin data.
+
+ When the plugin's extension_data is called with argument LV2_PROGRAMS__Interface,
+ the plugin MUST return an LV2_Programs_Instance structure, which remains valid
+ for the lifetime of the plugin.
+*/
+typedef struct _LV2_Programs_Interface {
+ /**
+ * get_program()
+ *
+ * This member is a function pointer that provides a description
+ * of a program (named preset sound) available on this plugin.
+ *
+ * The index argument is an index into the plugin's list of
+ * programs, not a program number as represented by the Program
+ * field of the LV2_Program_Descriptor. (This distinction is
+ * needed to support plugins that use non-contiguous program or
+ * bank numbers.)
+ *
+ * This function returns a LV2_Program_Descriptor pointer that is
+ * guaranteed to be valid only until the next call to get_program
+ * or deactivate, on the same plugin instance. This function must
+ * return NULL if passed an index argument out of range, so that
+ * the host can use it to query the number of programs as well as
+ * their properties.
+ */
+ const LV2_Program_Descriptor *(*get_program)(LV2_Handle handle,
+ uint32_t index);
+
+ /**
+ * select_program()
+ *
+ * This member is a function pointer that selects a new program
+ * for this plugin. The program change should take effect
+ * immediately at the start of the next run() call. (This
+ * means that a host providing the capability of changing programs
+ * between any two notes on a track must vary the block size so as
+ * to place the program change at the right place. A host that
+ * wanted to avoid this would probably just instantiate a plugin
+ * for each program.)
+ *
+ * Plugins should ignore a select_program() call with an invalid
+ * bank or program.
+ *
+ * A plugin is not required to select any particular default
+ * program on activate(): it's the host's duty to set a program
+ * explicitly.
+ *
+ * A plugin is permitted to re-write the values of its input
+ * control ports when select_program is called. The host should
+ * re-read the input control port values and update its own
+ * records appropriately. (This is the only circumstance in which
+ * a LV2 plugin is allowed to modify its own control-input ports.)
+ */
+ void (*select_program)(LV2_Handle handle,
+ uint32_t bank,
+ uint32_t program);
+
+} LV2_Programs_Interface;
+
+/**
+ Programs extension, UI data.
+
+ When the UI's extension_data is called with argument LV2_PROGRAMS__UIInterface,
+ the UI MUST return an LV2_Programs_UI_Interface structure, which remains valid
+ for the lifetime of the UI.
+*/
+typedef struct _LV2_Programs_UI_Interface {
+ /**
+ * select_program()
+ *
+ * This is exactly the same as select_program in LV2_Programs_Instance,
+ * but this struct relates to the UI instead of the plugin.
+ *
+ * When called, UIs should update their state to match the selected program.
+ */
+ void (*select_program)(LV2UI_Handle handle,
+ uint32_t bank,
+ uint32_t program);
+
+} LV2_Programs_UI_Interface;
+
+/**
+ Feature data for LV2_PROGRAMS__Host.
+*/
+typedef struct _LV2_Programs_Host {
+ /**
+ * Opaque host data.
+ */
+ LV2_Programs_Handle handle;
+
+ /**
+ * program_changed()
+ *
+ * Tell the host to reload a plugin's program.
+ * Parameter handle MUST be the 'handle' member of this struct.
+ * Parameter index is program index to change.
+ * When index is -1, host should reload all the programs.
+ *
+ * The plugin MUST NEVER call this function on a RT context or during run().
+ *
+ * NOTE: This call is to inform the host about a program's bank, program or name change.
+ * It DOES NOT change the current selected program.
+ */
+ void (*program_changed)(LV2_Programs_Handle handle,
+ int32_t index);
+
+} LV2_Programs_Host;
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* LV2_PROGRAMS_H */
--- /dev/null
+/*
+ ==============================================================================
+
+ Juce LV2 Wrapper
+
+ ==============================================================================
+*/
+
+// Your project must contain an AppConfig.h file with your project-specific settings in it,
+// and your header search path must make it accessible to the module's files.
+#include "AppConfig.h"
+
+#include "juce_audio_plugin_client/utility/juce_CheckSettingMacros.h"
+#include "juce_core/system/juce_TargetPlatform.h" // for JUCE_LINUX
+
+
+#if JucePlugin_Build_LV2
+
+/** Plugin requires processing with a fixed/constant block size */
+#ifndef JucePlugin_WantsLV2FixedBlockSize
+ #define JucePlugin_WantsLV2FixedBlockSize 0
+#endif
+
+/** Enable latency port */
+#ifndef JucePlugin_WantsLV2Latency
+ #define JucePlugin_WantsLV2Latency 1
+#endif
+
+/** Use non-parameter states */
+#ifndef JucePlugin_WantsLV2State
+ #define JucePlugin_WantsLV2State 1
+#endif
+
+/** States are strings, needs custom get/setStateInformationString */
+#ifndef JucePlugin_WantsLV2StateString
+ #define JucePlugin_WantsLV2StateString 0
+#endif
+
+/** Export presets */
+#ifndef JucePlugin_WantsLV2Presets
+ #define JucePlugin_WantsLV2Presets 1
+#endif
+
+/** Request time position */
+#ifndef JucePlugin_WantsLV2TimePos
+ #define JucePlugin_WantsLV2TimePos 1
+#endif
+
+/** Using string states require enabling states first */
+#if JucePlugin_WantsLV2StateString && ! JucePlugin_WantsLV2State
+ #undef JucePlugin_WantsLV2State
+ #define JucePlugin_WantsLV2State 1
+#endif
+
+#if JUCE_LINUX && ! JUCE_AUDIOPROCESSOR_NO_GUI
+ #include <X11/Xlib.h>
+ #undef KeyPress
+#endif
+
+#include <fstream>
+#include <iostream>
+
+// LV2 includes..
+#include <lv2/lv2plug.in/ns/lv2core/lv2.h>
+#include <lv2/lv2plug.in/ns/ext/atom/atom.h>
+#include <lv2/lv2plug.in/ns/ext/atom/util.h>
+#include <lv2/lv2plug.in/ns/ext/buf-size/buf-size.h>
+#include <lv2/lv2plug.in/ns/ext/instance-access/instance-access.h>
+#include <lv2/lv2plug.in/ns/ext/midi/midi.h>
+#include <lv2/lv2plug.in/ns/ext/options/options.h>
+#include <lv2/lv2plug.in/ns/ext/port-props/port-props.h>
+#include <lv2/lv2plug.in/ns/ext/presets/presets.h>
+#include <lv2/lv2plug.in/ns/ext/state/state.h>
+#include <lv2/lv2plug.in/ns/ext/time/time.h>
+#include <lv2/lv2plug.in/ns/extensions/ui/ui.h>
+#include <lv2/lv2plug.in/ns/ext/urid/urid.h>
+#include "includes/lv2_external_ui.h"
+#include "includes/lv2_programs.h"
+
+#include "../utility/juce_IncludeModuleHeaders.h"
+
+#define JUCE_LV2_STATE_STRING_URI "urn:juce:stateString"
+#define JUCE_LV2_STATE_BINARY_URI "urn:juce:stateBinary"
+
+//==============================================================================
+// Various helper functions for creating the ttl files
+
+#if JUCE_MAC
+ #define PLUGIN_EXT ".dylib"
+#elif JUCE_LINUX
+ #define PLUGIN_EXT ".so"
+#elif JUCE_WINDOWS
+ #define PLUGIN_EXT ".dll"
+#endif
+
+using namespace juce;
+
+/** Returns plugin type, defined in AppConfig.h or JucePluginCharacteristics.h */
+const String getPluginType()
+{
+ String pluginType;
+#ifdef JucePlugin_LV2Category
+ pluginType = "lv2:" JucePlugin_LV2Category;
+ pluginType += ", ";
+#elif JucePlugin_IsSynth
+ pluginType = "lv2:InstrumentPlugin, ";
+#endif
+ pluginType += "lv2:Plugin";
+ return pluginType;
+}
+
+/** Returns plugin URI */
+static const String& getPluginURI()
+{
+ // JucePlugin_LV2URI might be defined as a function (eg. allowing dynamic URIs based on filename)
+ static const String pluginURI(JucePlugin_LV2URI);
+ return pluginURI;
+}
+
+static Array<String> usedSymbols;
+
+/** Converts a parameter name to an LV2 compatible symbol. */
+const String nameToSymbol (const String& name, const uint32 portIndex)
+{
+ String symbol, trimmedName = name.trimStart().trimEnd().toLowerCase();
+
+ if (trimmedName.isEmpty())
+ {
+ symbol += "lv2_port_";
+ symbol += String(portIndex+1);
+ }
+ else
+ {
+ for (int i=0; i < trimmedName.length(); ++i)
+ {
+ const juce_wchar c = trimmedName[i];
+ if (i == 0 && std::isdigit(c))
+ symbol += "_";
+ else if (std::isalpha(c) || std::isdigit(c))
+ symbol += c;
+ else
+ symbol += "_";
+ }
+ }
+
+ // Do not allow identical symbols
+ if (usedSymbols.contains(symbol))
+ {
+ int offset = 2;
+ String offsetStr = "_2";
+ symbol += offsetStr;
+
+ while (usedSymbols.contains(symbol))
+ {
+ offset += 1;
+ String newOffsetStr = "_" + String(offset);
+ symbol = symbol.replace(offsetStr, newOffsetStr);
+ offsetStr = newOffsetStr;
+ }
+ }
+ usedSymbols.add(symbol);
+
+ return symbol;
+}
+
+/** Prevents NaN or out of 0.0<->1.0 bounds parameter values. */
+float safeParamValue (float value)
+{
+ if (std::isnan(value))
+ value = 0.0f;
+ else if (value < 0.0f)
+ value = 0.0f;
+ else if (value > 1.0f)
+ value = 1.0f;
+ return value;
+}
+
+/** Create the manifest.ttl file contents */
+const String makeManifestFile (AudioProcessor* const filter, const String& binary)
+{
+ const String& pluginURI(getPluginURI());
+ String text;
+
+ // Header
+ text += "@prefix lv2: <" LV2_CORE_PREFIX "> .\n";
+ text += "@prefix pset: <" LV2_PRESETS_PREFIX "> .\n";
+ text += "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n";
+ text += "@prefix ui: <" LV2_UI_PREFIX "> .\n";
+ text += "\n";
+
+ // Plugin
+ text += "<" + pluginURI + ">\n";
+ text += " a lv2:Plugin ;\n";
+ text += " lv2:binary <" + binary + PLUGIN_EXT "> ;\n";
+ text += " rdfs:seeAlso <" + binary + ".ttl> .\n";
+ text += "\n";
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ // UIs
+ if (filter->hasEditor())
+ {
+ text += "<" + pluginURI + "#ExternalUI>\n";
+ text += " a <" LV2_EXTERNAL_UI__Widget "> ;\n";
+ text += " ui:binary <" + binary + PLUGIN_EXT "> ;\n";
+ text += " lv2:requiredFeature <" LV2_INSTANCE_ACCESS_URI "> ;\n";
+ text += " lv2:extensionData <" LV2_PROGRAMS__UIInterface "> .\n";
+ text += "\n";
+
+ text += "<" + pluginURI + "#ParentUI>\n";
+ #if JUCE_MAC
+ text += " a ui:CocoaUI ;\n";
+ #elif JUCE_LINUX
+ text += " a ui:X11UI ;\n";
+ #elif JUCE_WINDOWS
+ text += " a ui:WindowsUI ;\n";
+ #endif
+ text += " ui:binary <" + binary + PLUGIN_EXT "> ;\n";
+ text += " lv2:requiredFeature <" LV2_INSTANCE_ACCESS_URI "> ;\n";
+ text += " lv2:optionalFeature ui:noUserResize ;\n";
+ text += " lv2:extensionData <" LV2_PROGRAMS__UIInterface "> .\n";
+ text += "\n";
+ }
+#endif
+
+#if JucePlugin_WantsLV2Presets
+ const String presetSeparator(pluginURI.contains("#") ? ":" : "#");
+
+ // Presets
+ for (int i = 0; i < filter->getNumPrograms(); ++i)
+ {
+ text += "<" + pluginURI + presetSeparator + "preset" + String::formatted("%03i", i+1) + ">\n";
+ text += " a pset:Preset ;\n";
+ text += " lv2:appliesTo <" + pluginURI + "> ;\n";
+ text += " rdfs:label \"" + filter->getProgramName(i) + "\" ;\n";
+ text += " rdfs:seeAlso <presets.ttl> .\n";
+ text += "\n";
+ }
+#endif
+
+ return text;
+}
+
+/** Create the -plugin-.ttl file contents */
+const String makePluginFile (AudioProcessor* const filter, const int maxNumInputChannels, const int maxNumOutputChannels)
+{
+ const String& pluginURI(getPluginURI());
+ String text;
+
+ // Header
+ text += "@prefix atom: <" LV2_ATOM_PREFIX "> .\n";
+ text += "@prefix doap: <http://usefulinc.com/ns/doap#> .\n";
+ text += "@prefix foaf: <http://xmlns.com/foaf/0.1/> .\n";
+ text += "@prefix lv2: <" LV2_CORE_PREFIX "> .\n";
+ text += "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n";
+ text += "@prefix ui: <" LV2_UI_PREFIX "> .\n";
+ text += "\n";
+
+ // Plugin
+ text += "<" + pluginURI + ">\n";
+ text += " a " + getPluginType() + " ;\n";
+ text += " lv2:requiredFeature <" LV2_BUF_SIZE__boundedBlockLength "> ,\n";
+#if JucePlugin_WantsLV2FixedBlockSize
+ text += " <" LV2_BUF_SIZE__fixedBlockLength "> ,\n";
+#endif
+ text += " <" LV2_URID__map "> ;\n";
+ text += " lv2:extensionData <" LV2_OPTIONS__interface "> ,\n";
+#if JucePlugin_WantsLV2State
+ text += " <" LV2_STATE__interface "> ,\n";
+#endif
+ text += " <" LV2_PROGRAMS__Interface "> ;\n";
+ text += "\n";
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ // UIs
+ if (filter->hasEditor())
+ {
+ text += " ui:ui <" + pluginURI + "#ExternalUI> ,\n";
+ text += " <" + pluginURI + "#ParentUI> ;\n";
+ text += "\n";
+ }
+#endif
+
+ uint32 portIndex = 0;
+
+#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
+ // MIDI input
+ text += " lv2:port [\n";
+ text += " a lv2:InputPort, atom:AtomPort ;\n";
+ text += " atom:bufferType atom:Sequence ;\n";
+ #if JucePlugin_WantsMidiInput
+ text += " atom:supports <" LV2_MIDI__MidiEvent "> ;\n";
+ #endif
+ #if JucePlugin_WantsLV2TimePos
+ text += " atom:supports <" LV2_TIME__Position "> ;\n";
+ #endif
+ text += " lv2:index " + String(portIndex++) + " ;\n";
+ text += " lv2:symbol \"lv2_events_in\" ;\n";
+ text += " lv2:name \"Events Input\" ;\n";
+ text += " lv2:designation lv2:control ;\n";
+ #if ! JucePlugin_IsSynth
+ text += " lv2:portProperty lv2:connectionOptional ;\n";
+ #endif
+ text += " ] ;\n";
+ text += "\n";
+#endif
+
+#if JucePlugin_ProducesMidiOutput
+ // MIDI output
+ text += " lv2:port [\n";
+ text += " a lv2:OutputPort, atom:AtomPort ;\n";
+ text += " atom:bufferType atom:Sequence ;\n";
+ text += " atom:supports <" LV2_MIDI__MidiEvent "> ;\n";
+ text += " lv2:index " + String(portIndex++) + " ;\n";
+ text += " lv2:symbol \"lv2_midi_out\" ;\n";
+ text += " lv2:name \"MIDI Output\" ;\n";
+ text += " ] ;\n";
+ text += "\n";
+#endif
+
+ // Freewheel port
+ text += " lv2:port [\n";
+ text += " a lv2:InputPort, lv2:ControlPort ;\n";
+ text += " lv2:index " + String(portIndex++) + " ;\n";
+ text += " lv2:symbol \"lv2_freewheel\" ;\n";
+ text += " lv2:name \"Freewheel\" ;\n";
+ text += " lv2:default 0.0 ;\n";
+ text += " lv2:minimum 0.0 ;\n";
+ text += " lv2:maximum 1.0 ;\n";
+ text += " lv2:designation <" LV2_CORE__freeWheeling "> ;\n";
+ text += " lv2:portProperty lv2:toggled, <" LV2_PORT_PROPS__notOnGUI "> ;\n";
+ text += " ] ;\n";
+ text += "\n";
+
+#if JucePlugin_WantsLV2Latency
+ // Latency port
+ text += " lv2:port [\n";
+ text += " a lv2:OutputPort, lv2:ControlPort ;\n";
+ text += " lv2:index " + String(portIndex++) + " ;\n";
+ text += " lv2:symbol \"lv2_latency\" ;\n";
+ text += " lv2:name \"Latency\" ;\n";
+ text += " lv2:designation <" LV2_CORE__latency "> ;\n";
+ text += " lv2:portProperty lv2:reportsLatency, lv2:integer ;\n";
+ text += " ] ;\n";
+ text += "\n";
+#endif
+
+ // Audio inputs
+ for (int i=0; i < maxNumInputChannels; ++i)
+ {
+ if (i == 0)
+ text += " lv2:port [\n";
+ else
+ text += " [\n";
+
+ text += " a lv2:InputPort, lv2:AudioPort ;\n";
+ text += " lv2:index " + String(portIndex++) + " ;\n";
+ text += " lv2:symbol \"lv2_audio_in_" + String(i+1) + "\" ;\n";
+ text += " lv2:name \"Audio Input " + String(i+1) + "\" ;\n";
+
+ if (i+1 == maxNumInputChannels)
+ text += " ] ;\n\n";
+ else
+ text += " ] ,\n";
+ }
+
+ // Audio outputs
+ for (int i=0; i < maxNumOutputChannels; ++i)
+ {
+ if (i == 0)
+ text += " lv2:port [\n";
+ else
+ text += " [\n";
+
+ text += " a lv2:OutputPort, lv2:AudioPort ;\n";
+ text += " lv2:index " + String(portIndex++) + " ;\n";
+ text += " lv2:symbol \"lv2_audio_out_" + String(i+1) + "\" ;\n";
+ text += " lv2:name \"Audio Output " + String(i+1) + "\" ;\n";
+
+ if (i+1 == maxNumOutputChannels)
+ text += " ] ;\n\n";
+ else
+ text += " ] ,\n";
+ }
+
+ // Parameters
+ for (int i=0; i < filter->getNumParameters(); ++i)
+ {
+ if (i == 0)
+ text += " lv2:port [\n";
+ else
+ text += " [\n";
+
+ text += " a lv2:InputPort, lv2:ControlPort ;\n";
+ text += " lv2:index " + String(portIndex++) + " ;\n";
+ text += " lv2:symbol \"" + nameToSymbol(filter->getParameterName(i), i) + "\" ;\n";
+
+ if (filter->getParameterName(i).isNotEmpty())
+ text += " lv2:name \"" + filter->getParameterName(i) + "\" ;\n";
+ else
+ text += " lv2:name \"Port " + String(i+1) + "\" ;\n";
+
+ text += " lv2:default " + String::formatted("%f", safeParamValue(filter->getParameter(i))) + " ;\n";
+ text += " lv2:minimum 0.0 ;\n";
+ text += " lv2:maximum 1.0 ;\n";
+
+ if (! filter->isParameterAutomatable(i))
+ text += " lv2:portProperty <" LV2_PORT_PROPS__expensive "> ;\n";
+
+ if (i+1 == filter->getNumParameters())
+ text += " ] ;\n\n";
+ else
+ text += " ] ,\n";
+ }
+
+ text += " doap:name \"" + filter->getName() + "\" ;\n";
+ text += " doap:maintainer [ foaf:name \"" JucePlugin_Manufacturer "\" ] .\n";
+
+ return text;
+}
+
+/** Create the presets.ttl file contents */
+const String makePresetsFile (AudioProcessor* const filter)
+{
+ const String& pluginURI(getPluginURI());
+ String text;
+
+ // Header
+ text += "@prefix atom: <" LV2_ATOM_PREFIX "> .\n";
+ text += "@prefix lv2: <" LV2_CORE_PREFIX "> .\n";
+ text += "@prefix pset: <" LV2_PRESETS_PREFIX "> .\n";
+ text += "@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .\n";
+ text += "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n";
+ text += "@prefix state: <" LV2_STATE_PREFIX "> .\n";
+ text += "@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .\n";
+ text += "\n";
+
+ // Presets
+ const int numPrograms = filter->getNumPrograms();
+ const String presetSeparator(pluginURI.contains("#") ? ":" : "#");
+
+ for (int i = 0; i < numPrograms; ++i)
+ {
+ std::cout << "\nSaving preset " << i+1 << "/" << numPrograms+1 << "...";
+ std::cout.flush();
+
+ String preset;
+
+ // Label
+ filter->setCurrentProgram(i);
+ preset += "<" + pluginURI + presetSeparator + "preset" + String::formatted("%03i", i+1) + "> a pset:Preset ;\n";
+
+ // State
+#if JucePlugin_WantsLV2State
+ preset += " state:state [\n";
+ #if JucePlugin_WantsLV2StateString
+ preset += " <" JUCE_LV2_STATE_STRING_URI ">\n";
+ preset += "\"\"\"\n";
+ preset += filter->getStateInformationString().replace("\r\n","\n");
+ preset += "\"\"\"\n";
+ #else
+ MemoryBlock chunkMemory;
+ filter->getCurrentProgramStateInformation(chunkMemory);
+ const String chunkString(Base64::toBase64(chunkMemory.getData(), chunkMemory.getSize()));
+
+ preset += " <" JUCE_LV2_STATE_BINARY_URI "> [\n";
+ preset += " a atom:Chunk ;\n";
+ preset += " rdf:value \"" + chunkString + "\"^^xsd:base64Binary ;\n";
+ preset += " ] ;\n";
+ #endif
+ if (filter->getNumParameters() == 0)
+ {
+ preset += " ] .\n\n";
+ continue;
+ }
+
+ preset += " ] ;\n\n";
+#endif
+
+ // Port values
+ usedSymbols.clear();
+
+ for (int j=0; j < filter->getNumParameters(); ++j)
+ {
+ if (j == 0)
+ preset += " lv2:port [\n";
+ else
+ preset += " [\n";
+
+ preset += " lv2:symbol \"" + nameToSymbol(filter->getParameterName(j), j) + "\" ;\n";
+ preset += " pset:value " + String::formatted("%f", safeParamValue(filter->getParameter(j))) + " ;\n";
+
+ if (j+1 == filter->getNumParameters())
+ preset += " ] ";
+ else
+ preset += " ] ,\n";
+ }
+ preset += ".\n\n";
+
+ text += preset;
+ }
+
+ return text;
+}
+
+/** Creates manifest.ttl, plugin.ttl and presets.ttl files */
+void createLv2Files(const char* basename)
+{
+ const ScopedJuceInitialiser_GUI juceInitialiser;
+ ScopedPointer<AudioProcessor> filter (createPluginFilterOfType (AudioProcessor::wrapperType_LV2));
+
+ String binary(basename);
+ String binaryTTL(binary + ".ttl");
+
+ std::cout << "Writing manifest.ttl..."; std::cout.flush();
+ std::fstream manifest("manifest.ttl", std::ios::out);
+ manifest << makeManifestFile(filter, binary) << std::endl;
+ manifest.close();
+ std::cout << " done!" << std::endl;
+
+ std::cout << "Writing " << binary << ".ttl..."; std::cout.flush();
+ std::fstream plugin(binaryTTL.toUTF8(), std::ios::out);
+ plugin << makePluginFile(filter, JucePlugin_MaxNumInputChannels, JucePlugin_MaxNumOutputChannels) << std::endl;
+ plugin.close();
+ std::cout << " done!" << std::endl;
+
+#if JucePlugin_WantsLV2Presets
+ std::cout << "Writing presets.ttl..."; std::cout.flush();
+ std::fstream presets("presets.ttl", std::ios::out);
+ presets << makePresetsFile(filter) << std::endl;
+ presets.close();
+ std::cout << " done!" << std::endl;
+#endif
+}
+
+//==============================================================================
+#if JUCE_LINUX
+
+class SharedMessageThread : public Thread
+{
+public:
+ SharedMessageThread()
+ : Thread ("Lv2MessageThread"),
+ initialised (false)
+ {
+ startThread (7);
+
+ while (! initialised)
+ sleep (1);
+ }
+
+ ~SharedMessageThread()
+ {
+ MessageManager::getInstance()->stopDispatchLoop();
+ waitForThreadToExit (5000);
+ }
+
+ void run() override
+ {
+ const ScopedJuceInitialiser_GUI juceInitialiser;
+
+ MessageManager::getInstance()->setCurrentThreadAsMessageThread();
+ initialised = true;
+
+ MessageManager::getInstance()->runDispatchLoop();
+ }
+
+private:
+ volatile bool initialised;
+};
+#endif
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+//==============================================================================
+/**
+ Lightweight DocumentWindow subclass for external ui
+*/
+class JuceLv2ExternalUIWindow : public DocumentWindow
+{
+public:
+ /** Creates a Document Window wrapper */
+ JuceLv2ExternalUIWindow (AudioProcessorEditor* editor, const String& title) :
+ DocumentWindow (title, Colours::white, DocumentWindow::minimiseButton | DocumentWindow::closeButton, false),
+ closed (false),
+ lastPos (0, 0)
+ {
+ setOpaque (true);
+ setContentNonOwned (editor, true);
+ setSize (editor->getWidth(), editor->getHeight());
+ setUsingNativeTitleBar (true);
+ }
+
+ /** Close button handler */
+ void closeButtonPressed()
+ {
+ saveLastPos();
+ removeFromDesktop();
+ closed = true;
+ }
+
+ void saveLastPos()
+ {
+ lastPos = getScreenPosition();
+ }
+
+ void restoreLastPos()
+ {
+ setTopLeftPosition (lastPos.getX(), lastPos.getY());
+ }
+
+ Point<int> getLastPos()
+ {
+ return lastPos;
+ }
+
+ bool isClosed()
+ {
+ return closed;
+ }
+
+ void reset()
+ {
+ closed = false;
+ }
+
+private:
+ bool closed;
+ Point<int> lastPos;
+
+ JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2ExternalUIWindow);
+};
+
+//==============================================================================
+/**
+ Juce LV2 External UI handle
+*/
+class JuceLv2ExternalUIWrapper : public LV2_External_UI_Widget
+{
+public:
+ JuceLv2ExternalUIWrapper (AudioProcessorEditor* editor, const String& title)
+ : window (editor, title)
+ {
+ // external UI calls
+ run = doRun;
+ show = doShow;
+ hide = doHide;
+ }
+
+ ~JuceLv2ExternalUIWrapper()
+ {
+ if (window.isOnDesktop())
+ window.removeFromDesktop();
+ }
+
+ void close()
+ {
+ window.closeButtonPressed();
+ }
+
+ bool isClosed()
+ {
+ return window.isClosed();
+ }
+
+ void reset(const String& title)
+ {
+ window.reset();
+ window.setName(title);
+ }
+
+ void repaint()
+ {
+ window.repaint();
+ }
+
+ Point<int> getScreenPosition()
+ {
+ if (window.isClosed())
+ return window.getLastPos();
+ else
+ return window.getScreenPosition();
+ }
+
+ void setScreenPos (int x, int y)
+ {
+ if (! window.isClosed())
+ window.setTopLeftPosition(x, y);
+ }
+
+ //==============================================================================
+ static void doRun (LV2_External_UI_Widget* _this_)
+ {
+ const MessageManagerLock mmLock;
+ JuceLv2ExternalUIWrapper* self = (JuceLv2ExternalUIWrapper*) _this_;
+
+ if (! self->isClosed())
+ self->window.repaint();
+ }
+
+ static void doShow (LV2_External_UI_Widget* _this_)
+ {
+ const MessageManagerLock mmLock;
+ JuceLv2ExternalUIWrapper* self = (JuceLv2ExternalUIWrapper*) _this_;
+
+ if (! self->isClosed())
+ {
+ if (! self->window.isOnDesktop())
+ self->window.addToDesktop();
+
+ self->window.restoreLastPos();
+ self->window.setVisible(true);
+ }
+ }
+
+ static void doHide (LV2_External_UI_Widget* _this_)
+ {
+ const MessageManagerLock mmLock;
+ JuceLv2ExternalUIWrapper* self = (JuceLv2ExternalUIWrapper*) _this_;
+
+ if (! self->isClosed())
+ {
+ self->window.saveLastPos();
+ self->window.setVisible(false);
+ }
+ }
+
+private:
+ JuceLv2ExternalUIWindow window;
+
+ JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2ExternalUIWrapper);
+};
+
+//==============================================================================
+/**
+ Juce LV2 Parent UI container, listens for resize events and passes them to ui-resize
+*/
+class JuceLv2ParentContainer : public Component
+{
+public:
+ JuceLv2ParentContainer (AudioProcessorEditor* editor, const LV2UI_Resize* uiResize_)
+ : uiResize(uiResize_)
+ {
+ setOpaque (true);
+ editor->setOpaque (true);
+ setBounds (editor->getBounds());
+
+ editor->setTopLeftPosition (0, 0);
+ addAndMakeVisible (editor);
+ }
+
+ ~JuceLv2ParentContainer()
+ {
+ }
+
+ void paint (Graphics&) {}
+ void paintOverChildren (Graphics&) {}
+
+ void childBoundsChanged (Component* child)
+ {
+ const int cw = child->getWidth();
+ const int ch = child->getHeight();
+
+#if JUCE_LINUX
+ XResizeWindow (display.display, (Window) getWindowHandle(), cw, ch);
+#else
+ setSize (cw, ch);
+#endif
+
+ if (uiResize != nullptr)
+ uiResize->ui_resize (uiResize->handle, cw, ch);
+ }
+
+ void reset (const LV2UI_Resize* uiResize_)
+ {
+ uiResize = uiResize_;
+
+ if (uiResize != nullptr)
+ uiResize->ui_resize (uiResize->handle, getWidth(), getHeight());
+ }
+
+private:
+ //==============================================================================
+ const LV2UI_Resize* uiResize;
+#if JUCE_LINUX
+ ScopedXDisplay display;
+#endif
+
+ JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2ParentContainer);
+};
+
+//==============================================================================
+/**
+ Juce LV2 UI handle
+*/
+class JuceLv2UIWrapper : public AudioProcessorListener,
+ public Timer
+{
+public:
+ JuceLv2UIWrapper (AudioProcessor* filter_, LV2UI_Write_Function writeFunction_, LV2UI_Controller controller_,
+ LV2UI_Widget* widget, const LV2_Feature* const* features, bool isExternal_)
+ : filter (filter_),
+ writeFunction (writeFunction_),
+ controller (controller_),
+ isExternal (isExternal_),
+ controlPortOffset (0),
+ lastProgramCount (0),
+ uiTouch (nullptr),
+ programsHost (nullptr),
+ externalUIHost (nullptr),
+ lastExternalUIPos (-1, -1),
+ uiResize (nullptr)
+ {
+ jassert (filter != nullptr);
+
+ filter->addListener(this);
+
+ if (filter->hasEditor())
+ {
+ editor = filter->createEditorIfNeeded();
+
+ if (editor == nullptr)
+ {
+ *widget = nullptr;
+ return;
+ }
+ }
+
+ for (int i = 0; features[i] != nullptr; ++i)
+ {
+ if (strcmp(features[i]->URI, LV2_UI__touch) == 0)
+ uiTouch = (const LV2UI_Touch*)features[i]->data;
+
+ else if (strcmp(features[i]->URI, LV2_PROGRAMS__Host) == 0)
+ programsHost = (const LV2_Programs_Host*)features[i]->data;
+ }
+
+ if (isExternal)
+ {
+ resetExternalUI (features);
+
+ if (externalUIHost != nullptr)
+ {
+ String title (filter->getName());
+
+ if (externalUIHost->plugin_human_id != nullptr)
+ title = externalUIHost->plugin_human_id;
+
+ externalUI = new JuceLv2ExternalUIWrapper (editor, title);
+ *widget = externalUI;
+ startTimer (100);
+ }
+ else
+ {
+ *widget = nullptr;
+ }
+ }
+ else
+ {
+ resetParentUI (features);
+
+ if (parentContainer != nullptr)
+ *widget = parentContainer->getWindowHandle();
+ else
+ *widget = nullptr;
+ }
+
+#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
+ controlPortOffset += 1;
+#endif
+#if JucePlugin_ProducesMidiOutput
+ controlPortOffset += 1;
+#endif
+ controlPortOffset += 1; // freewheel
+#if JucePlugin_WantsLV2Latency
+ controlPortOffset += 1;
+#endif
+ controlPortOffset += JucePlugin_MaxNumInputChannels;
+ controlPortOffset += JucePlugin_MaxNumOutputChannels;
+
+ lastProgramCount = filter->getNumPrograms();
+ }
+
+ ~JuceLv2UIWrapper()
+ {
+ PopupMenu::dismissAllActiveMenus();
+
+ filter->removeListener(this);
+
+ parentContainer = nullptr;
+ externalUI = nullptr;
+ externalUIHost = nullptr;
+
+ if (editor != nullptr)
+ {
+ filter->editorBeingDeleted (editor);
+ editor = nullptr;
+ }
+ }
+
+ //==============================================================================
+ // LV2 core calls
+
+ void lv2Cleanup()
+ {
+ const MessageManagerLock mmLock;
+
+ if (isExternal)
+ {
+ if (isTimerRunning())
+ stopTimer();
+
+ externalUIHost = nullptr;
+
+ if (externalUI != nullptr)
+ {
+ lastExternalUIPos = externalUI->getScreenPosition();
+ externalUI->close();
+ }
+ }
+ else
+ {
+ if (parentContainer)
+ {
+ parentContainer->setVisible (false);
+ if (parentContainer->isOnDesktop())
+ parentContainer->removeFromDesktop();
+ }
+ }
+ }
+
+ //==============================================================================
+ // Juce calls
+
+ void audioProcessorParameterChanged (AudioProcessor*, int index, float newValue)
+ {
+ if (writeFunction != nullptr && controller != nullptr)
+ writeFunction (controller, index + controlPortOffset, sizeof (float), 0, &newValue);
+ }
+
+ void audioProcessorChanged (AudioProcessor*)
+ {
+ if (filter != nullptr && programsHost != nullptr)
+ {
+ if (filter->getNumPrograms() != lastProgramCount)
+ {
+ programsHost->program_changed (programsHost->handle, -1);
+ lastProgramCount = filter->getNumPrograms();
+ }
+ else
+ programsHost->program_changed (programsHost->handle, filter->getCurrentProgram());
+ }
+ }
+
+ void audioProcessorParameterChangeGestureBegin (AudioProcessor*, int parameterIndex)
+ {
+ if (uiTouch != nullptr)
+ uiTouch->touch (uiTouch->handle, parameterIndex + controlPortOffset, true);
+ }
+
+ void audioProcessorParameterChangeGestureEnd (AudioProcessor*, int parameterIndex)
+ {
+ if (uiTouch != nullptr)
+ uiTouch->touch (uiTouch->handle, parameterIndex + controlPortOffset, false);
+ }
+
+ void timerCallback()
+ {
+ if (externalUI != nullptr && externalUI->isClosed())
+ {
+ if (externalUIHost != nullptr)
+ externalUIHost->ui_closed (controller);
+
+ if (isTimerRunning())
+ stopTimer();
+ }
+ }
+
+ //==============================================================================
+ void resetIfNeeded (LV2UI_Write_Function writeFunction_, LV2UI_Controller controller_, LV2UI_Widget* widget,
+ const LV2_Feature* const* features)
+ {
+ writeFunction = writeFunction_;
+ controller = controller_;
+ uiTouch = nullptr;
+ programsHost = nullptr;
+
+ for (int i = 0; features[i] != nullptr; ++i)
+ {
+ if (strcmp(features[i]->URI, LV2_UI__touch) == 0)
+ uiTouch = (const LV2UI_Touch*)features[i]->data;
+
+ else if (strcmp(features[i]->URI, LV2_PROGRAMS__Host) == 0)
+ programsHost = (const LV2_Programs_Host*)features[i]->data;
+ }
+
+ if (isExternal)
+ {
+ resetExternalUI (features);
+ *widget = externalUI;
+ }
+ else
+ {
+ resetParentUI (features);
+ *widget = parentContainer->getWindowHandle();
+ }
+ }
+
+ void repaint()
+ {
+ const MessageManagerLock mmLock;
+
+ if (editor != nullptr)
+ editor->repaint();
+
+ if (parentContainer != nullptr)
+ parentContainer->repaint();
+
+ if (externalUI != nullptr)
+ externalUI->repaint();
+ }
+
+private:
+ AudioProcessor* const filter;
+ ScopedPointer<AudioProcessorEditor> editor;
+
+ LV2UI_Write_Function writeFunction;
+ LV2UI_Controller controller;
+ const bool isExternal;
+
+ uint32 controlPortOffset;
+ int lastProgramCount;
+
+ const LV2UI_Touch* uiTouch;
+ const LV2_Programs_Host* programsHost;
+
+ ScopedPointer<JuceLv2ExternalUIWrapper> externalUI;
+ const LV2_External_UI_Host* externalUIHost;
+ Point<int> lastExternalUIPos;
+
+ ScopedPointer<JuceLv2ParentContainer> parentContainer;
+ const LV2UI_Resize* uiResize;
+
+#if JUCE_LINUX
+ ScopedXDisplay display;
+#endif
+
+ //==============================================================================
+ void resetExternalUI (const LV2_Feature* const* features)
+ {
+ externalUIHost = nullptr;
+
+ for (int i = 0; features[i] != nullptr; ++i)
+ {
+ if (strcmp(features[i]->URI, LV2_EXTERNAL_UI__Host) == 0)
+ {
+ externalUIHost = (const LV2_External_UI_Host*)features[i]->data;
+ break;
+ }
+ }
+
+ if (externalUI != nullptr)
+ {
+ String title(filter->getName());
+
+ if (externalUIHost->plugin_human_id != nullptr)
+ title = externalUIHost->plugin_human_id;
+
+ if (lastExternalUIPos.getX() != -1 && lastExternalUIPos.getY() != -1)
+ externalUI->setScreenPos(lastExternalUIPos.getX(), lastExternalUIPos.getY());
+
+ externalUI->reset(title);
+ startTimer (100);
+ }
+ }
+
+ void resetParentUI (const LV2_Feature* const* features)
+ {
+ void* parent = nullptr;
+ uiResize = nullptr;
+
+ for (int i = 0; features[i] != nullptr; ++i)
+ {
+ if (strcmp(features[i]->URI, LV2_UI__parent) == 0)
+ parent = features[i]->data;
+
+ else if (strcmp(features[i]->URI, LV2_UI__resize) == 0)
+ uiResize = (const LV2UI_Resize*)features[i]->data;
+ }
+
+ if (parent != nullptr)
+ {
+ if (parentContainer == nullptr)
+ parentContainer = new JuceLv2ParentContainer (editor, uiResize);
+
+ parentContainer->setVisible (false);
+
+ if (parentContainer->isOnDesktop())
+ parentContainer->removeFromDesktop();
+
+ parentContainer->addToDesktop (0, parent);
+
+#if JUCE_LINUX
+ Window hostWindow = (Window) parent;
+ Window editorWnd = (Window) parentContainer->getWindowHandle();
+ XReparentWindow (display.display, editorWnd, hostWindow, 0, 0);
+#endif
+
+ parentContainer->reset (uiResize);
+ parentContainer->setVisible (true);
+ }
+ }
+
+ JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2UIWrapper)
+};
+
+#endif /* JUCE_AUDIOPROCESSOR_NO_GUI */
+
+//==============================================================================
+/**
+ Juce LV2 handle
+*/
+class JuceLv2Wrapper : public AudioPlayHead
+{
+public:
+ //==============================================================================
+ JuceLv2Wrapper (double sampleRate_, const LV2_Feature* const* features)
+ : numInChans (JucePlugin_MaxNumInputChannels),
+ numOutChans (JucePlugin_MaxNumOutputChannels),
+ bufferSize (2048),
+ sampleRate (sampleRate_),
+ uridMap (nullptr),
+ uridAtomBlank (0),
+ uridAtomObject (0),
+ uridAtomDouble (0),
+ uridAtomFloat (0),
+ uridAtomInt (0),
+ uridAtomLong (0),
+ uridAtomSequence (0),
+ uridMidiEvent (0),
+ uridTimePos (0),
+ uridTimeBar (0),
+ uridTimeBarBeat (0),
+ uridTimeBeatsPerBar (0),
+ uridTimeBeatsPerMinute (0),
+ uridTimeBeatUnit (0),
+ uridTimeFrame (0),
+ uridTimeSpeed (0),
+ usingNominalBlockLength (false)
+ {
+ {
+ const MessageManagerLock mmLock;
+ filter = createPluginFilterOfType (AudioProcessor::wrapperType_LV2);
+ }
+ jassert (filter != nullptr);
+
+ filter->setPlayConfigDetails (numInChans, numOutChans, 0, 0);
+ filter->setPlayHead (this);
+
+#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
+ portEventsIn = nullptr;
+#endif
+#if JucePlugin_ProducesMidiOutput
+ portMidiOut = nullptr;
+#endif
+
+ portFreewheel = nullptr;
+
+#if JucePlugin_WantsLV2Latency
+ portLatency = nullptr;
+#endif
+
+ for (int i=0; i < numInChans; ++i)
+ portAudioIns[i] = nullptr;
+ for (int i=0; i < numOutChans; ++i)
+ portAudioOuts[i] = nullptr;
+
+ portControls.insertMultiple (0, nullptr, filter->getNumParameters());
+
+ for (int i=0; i < filter->getNumParameters(); ++i)
+ lastControlValues.add (filter->getParameter(i));
+
+ curPosInfo.resetToDefault();
+
+ // we need URID_Map first
+ for (int i=0; features[i] != nullptr; ++i)
+ {
+ if (strcmp(features[i]->URI, LV2_URID__map) == 0)
+ {
+ uridMap = (const LV2_URID_Map*)features[i]->data;
+ break;
+ }
+ }
+
+ // we require uridMap to work properly (it's set as required feature)
+ jassert (uridMap != nullptr);
+
+ if (uridMap != nullptr)
+ {
+ uridAtomBlank = uridMap->map(uridMap->handle, LV2_ATOM__Blank);
+ uridAtomObject = uridMap->map(uridMap->handle, LV2_ATOM__Object);
+ uridAtomDouble = uridMap->map(uridMap->handle, LV2_ATOM__Double);
+ uridAtomFloat = uridMap->map(uridMap->handle, LV2_ATOM__Float);
+ uridAtomInt = uridMap->map(uridMap->handle, LV2_ATOM__Int);
+ uridAtomLong = uridMap->map(uridMap->handle, LV2_ATOM__Long);
+ uridAtomSequence = uridMap->map(uridMap->handle, LV2_ATOM__Sequence);
+ uridMidiEvent = uridMap->map(uridMap->handle, LV2_MIDI__MidiEvent);
+ uridTimePos = uridMap->map(uridMap->handle, LV2_TIME__Position);
+ uridTimeBar = uridMap->map(uridMap->handle, LV2_TIME__bar);
+ uridTimeBarBeat = uridMap->map(uridMap->handle, LV2_TIME__barBeat);
+ uridTimeBeatsPerBar = uridMap->map(uridMap->handle, LV2_TIME__beatsPerBar);
+ uridTimeBeatsPerMinute = uridMap->map(uridMap->handle, LV2_TIME__beatsPerMinute);
+ uridTimeBeatUnit = uridMap->map(uridMap->handle, LV2_TIME__beatUnit);
+ uridTimeFrame = uridMap->map(uridMap->handle, LV2_TIME__frame);
+ uridTimeSpeed = uridMap->map(uridMap->handle, LV2_TIME__speed);
+
+ for (int i=0; features[i] != nullptr; ++i)
+ {
+ if (strcmp(features[i]->URI, LV2_OPTIONS__options) == 0)
+ {
+ const LV2_Options_Option* options = (const LV2_Options_Option*)features[i]->data;
+
+ for (int j=0; options[j].key != 0; ++j)
+ {
+ if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__nominalBlockLength))
+ {
+ if (options[j].type == uridAtomInt)
+ {
+ bufferSize = *(int*)options[j].value;
+ usingNominalBlockLength = true;
+ }
+ else
+ {
+ std::cerr << "Host provides nominalBlockLength but has wrong value type" << std::endl;
+ }
+ break;
+ }
+
+ if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__maxBlockLength))
+ {
+ if (options[j].type == uridAtomInt)
+ bufferSize = *(int*)options[j].value;
+ else
+ std::cerr << "Host provides maxBlockLength but has wrong value type" << std::endl;
+
+ // no break, continue in case host supports nominalBlockLength
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ progDesc.bank = 0;
+ progDesc.program = 0;
+ progDesc.name = nullptr;
+ }
+
+ ~JuceLv2Wrapper ()
+ {
+ const MessageManagerLock mmLock;
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ ui = nullptr;
+#endif
+ filter = nullptr;
+
+ if (progDesc.name != nullptr)
+ free((void*)progDesc.name);
+
+ portControls.clear();
+ lastControlValues.clear();
+ }
+
+ //==============================================================================
+ // LV2 core calls
+
+ void lv2ConnectPort (uint32 portId, void* dataLocation)
+ {
+ uint32 index = 0;
+
+#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
+ if (portId == index++)
+ {
+ portEventsIn = (LV2_Atom_Sequence*)dataLocation;
+ return;
+ }
+#endif
+
+#if JucePlugin_ProducesMidiOutput
+ if (portId == index++)
+ {
+ portMidiOut = (LV2_Atom_Sequence*)dataLocation;
+ return;
+ }
+#endif
+
+ if (portId == index++)
+ {
+ portFreewheel = (float*)dataLocation;
+ return;
+ }
+
+#if JucePlugin_WantsLV2Latency
+ if (portId == index++)
+ {
+ portLatency = (float*)dataLocation;
+ return;
+ }
+#endif
+
+ for (int i=0; i < numInChans; ++i)
+ {
+ if (portId == index++)
+ {
+ portAudioIns[i] = (float*)dataLocation;
+ return;
+ }
+ }
+
+ for (int i=0; i < numOutChans; ++i)
+ {
+ if (portId == index++)
+ {
+ portAudioOuts[i] = (float*)dataLocation;
+ return;
+ }
+ }
+
+ for (int i=0; i < filter->getNumParameters(); ++i)
+ {
+ if (portId == index++)
+ {
+ portControls.set(i, (float*)dataLocation);
+ return;
+ }
+ }
+ }
+
+ void lv2Activate()
+ {
+ jassert (filter != nullptr);
+
+ filter->prepareToPlay (sampleRate, bufferSize);
+ filter->setPlayConfigDetails (numInChans, numOutChans, sampleRate, bufferSize);
+
+ channels.calloc (numInChans + numOutChans);
+
+#if (JucePlugin_WantsMidiInput || JucePlugin_ProducesMidiOutput)
+ midiEvents.ensureSize (2048);
+ midiEvents.clear();
+#endif
+ }
+
+ void lv2Deactivate()
+ {
+ jassert (filter != nullptr);
+
+ filter->releaseResources();
+
+ channels.free();
+ }
+
+ void lv2Run (uint32 sampleCount)
+ {
+ jassert (filter != nullptr);
+
+#if JucePlugin_WantsLV2Latency
+ if (portLatency != nullptr)
+ *portLatency = filter->getLatencySamples();
+#endif
+
+ if (portFreewheel != nullptr)
+ filter->setNonRealtime (*portFreewheel >= 0.5f);
+
+ if (sampleCount == 0)
+ {
+ /**
+ LV2 pre-roll
+ Hosts might use this to force plugins to update its output control ports.
+ (plugins can only access port locations during run) */
+ return;
+ }
+
+ // Check for updated parameters
+ {
+ float curValue;
+
+ for (int i = 0; i < portControls.size(); ++i)
+ {
+ if (portControls[i] != nullptr)
+ {
+ curValue = *portControls[i];
+
+ if (lastControlValues[i] != curValue)
+ {
+ filter->setParameter (i, curValue);
+ lastControlValues.setUnchecked (i, curValue);
+ }
+ }
+ }
+ }
+
+ {
+ const ScopedLock sl (filter->getCallbackLock());
+
+ if (filter->isSuspended() && false)
+ {
+ for (int i = 0; i < numOutChans; ++i)
+ zeromem (portAudioOuts[i], sizeof (float) * sampleCount);
+ }
+ else
+ {
+ int i;
+ for (i = 0; i < numOutChans; ++i)
+ {
+ channels[i] = portAudioOuts[i];
+
+ if (i < numInChans && portAudioIns[i] != portAudioOuts[i])
+ FloatVectorOperations::copy (portAudioOuts [i], portAudioIns[i], sampleCount);
+ }
+
+ for (; i < numInChans; ++i)
+ channels [i] = portAudioIns[i];
+
+#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
+ if (portEventsIn != nullptr)
+ {
+ midiEvents.clear();
+
+ LV2_ATOM_SEQUENCE_FOREACH(portEventsIn, iter)
+ {
+ const LV2_Atom_Event* event = (const LV2_Atom_Event*)iter;
+
+ if (event == nullptr)
+ continue;
+ if (event->time.frames >= sampleCount)
+ break;
+
+ #if JucePlugin_WantsMidiInput
+ if (event->body.type == uridMidiEvent)
+ {
+ const uint8* data = (const uint8*)(event + 1);
+ midiEvents.addEvent(data, event->body.size, event->time.frames);
+ continue;
+ }
+ #endif
+ #if JucePlugin_WantsLV2TimePos
+ if (event->body.type == uridAtomBlank || event->body.type == uridAtomObject)
+ {
+ const LV2_Atom_Object* obj = (LV2_Atom_Object*)&event->body;
+
+ if (obj->body.otype != uridTimePos)
+ continue;
+
+ LV2_Atom* bar = nullptr;
+ LV2_Atom* barBeat = nullptr;
+ LV2_Atom* beatUnit = nullptr;
+ LV2_Atom* beatsPerBar = nullptr;
+ LV2_Atom* beatsPerMinute = nullptr;
+ LV2_Atom* frame = nullptr;
+ LV2_Atom* speed = nullptr;
+
+ lv2_atom_object_get (obj,
+ uridTimeBar, &bar,
+ uridTimeBarBeat, &barBeat,
+ uridTimeBeatUnit, &beatUnit,
+ uridTimeBeatsPerBar, &beatsPerBar,
+ uridTimeBeatsPerMinute, &beatsPerMinute,
+ uridTimeFrame, &frame,
+ uridTimeSpeed, &speed,
+ nullptr);
+
+ // need to handle this first as other values depend on it
+ if (speed != nullptr)
+ {
+ /**/ if (speed->type == uridAtomDouble)
+ lastPositionData.speed = ((LV2_Atom_Double*)speed)->body;
+ else if (speed->type == uridAtomFloat)
+ lastPositionData.speed = ((LV2_Atom_Float*)speed)->body;
+ else if (speed->type == uridAtomInt)
+ lastPositionData.speed = ((LV2_Atom_Int*)speed)->body;
+ else if (speed->type == uridAtomLong)
+ lastPositionData.speed = ((LV2_Atom_Long*)speed)->body;
+
+ curPosInfo.isPlaying = lastPositionData.speed != 0.0;
+ }
+
+ if (bar != nullptr)
+ {
+ /**/ if (bar->type == uridAtomDouble)
+ lastPositionData.bar = ((LV2_Atom_Double*)bar)->body;
+ else if (bar->type == uridAtomFloat)
+ lastPositionData.bar = ((LV2_Atom_Float*)bar)->body;
+ else if (bar->type == uridAtomInt)
+ lastPositionData.bar = ((LV2_Atom_Int*)bar)->body;
+ else if (bar->type == uridAtomLong)
+ lastPositionData.bar = ((LV2_Atom_Long*)bar)->body;
+ }
+
+ if (barBeat != nullptr)
+ {
+ /**/ if (barBeat->type == uridAtomDouble)
+ lastPositionData.barBeat = ((LV2_Atom_Double*)barBeat)->body;
+ else if (barBeat->type == uridAtomFloat)
+ lastPositionData.barBeat = ((LV2_Atom_Float*)barBeat)->body;
+ else if (barBeat->type == uridAtomInt)
+ lastPositionData.barBeat = ((LV2_Atom_Int*)barBeat)->body;
+ else if (barBeat->type == uridAtomLong)
+ lastPositionData.barBeat = ((LV2_Atom_Long*)barBeat)->body;
+ }
+
+ if (beatUnit != nullptr)
+ {
+ /**/ if (beatUnit->type == uridAtomDouble)
+ lastPositionData.beatUnit = ((LV2_Atom_Double*)beatUnit)->body;
+ else if (beatUnit->type == uridAtomFloat)
+ lastPositionData.beatUnit = ((LV2_Atom_Float*)beatUnit)->body;
+ else if (beatUnit->type == uridAtomInt)
+ lastPositionData.beatUnit = ((LV2_Atom_Int*)beatUnit)->body;
+ else if (beatUnit->type == uridAtomLong)
+ lastPositionData.beatUnit = ((LV2_Atom_Long*)beatUnit)->body;
+
+ if (lastPositionData.beatUnit > 0)
+ curPosInfo.timeSigDenominator = lastPositionData.beatUnit;
+ }
+
+ if (beatsPerBar != nullptr)
+ {
+ /**/ if (beatsPerBar->type == uridAtomDouble)
+ lastPositionData.beatsPerBar = ((LV2_Atom_Double*)beatsPerBar)->body;
+ else if (beatsPerBar->type == uridAtomFloat)
+ lastPositionData.beatsPerBar = ((LV2_Atom_Float*)beatsPerBar)->body;
+ else if (beatsPerBar->type == uridAtomInt)
+ lastPositionData.beatsPerBar = ((LV2_Atom_Int*)beatsPerBar)->body;
+ else if (beatsPerBar->type == uridAtomLong)
+ lastPositionData.beatsPerBar = ((LV2_Atom_Long*)beatsPerBar)->body;
+
+ if (lastPositionData.beatsPerBar > 0.0f)
+ curPosInfo.timeSigNumerator = lastPositionData.beatsPerBar;
+ }
+
+ if (beatsPerMinute != nullptr)
+ {
+ /**/ if (beatsPerMinute->type == uridAtomDouble)
+ lastPositionData.beatsPerMinute = ((LV2_Atom_Double*)beatsPerMinute)->body;
+ else if (beatsPerMinute->type == uridAtomFloat)
+ lastPositionData.beatsPerMinute = ((LV2_Atom_Float*)beatsPerMinute)->body;
+ else if (beatsPerMinute->type == uridAtomInt)
+ lastPositionData.beatsPerMinute = ((LV2_Atom_Int*)beatsPerMinute)->body;
+ else if (beatsPerMinute->type == uridAtomLong)
+ lastPositionData.beatsPerMinute = ((LV2_Atom_Long*)beatsPerMinute)->body;
+
+ if (lastPositionData.beatsPerMinute > 0.0f)
+ {
+ curPosInfo.bpm = lastPositionData.beatsPerMinute;
+
+ if (lastPositionData.speed != 0)
+ curPosInfo.bpm *= std::abs(lastPositionData.speed);
+ }
+ }
+
+ if (frame != nullptr)
+ {
+ /**/ if (frame->type == uridAtomDouble)
+ lastPositionData.frame = ((LV2_Atom_Double*)frame)->body;
+ else if (frame->type == uridAtomFloat)
+ lastPositionData.frame = ((LV2_Atom_Float*)frame)->body;
+ else if (frame->type == uridAtomInt)
+ lastPositionData.frame = ((LV2_Atom_Int*)frame)->body;
+ else if (frame->type == uridAtomLong)
+ lastPositionData.frame = ((LV2_Atom_Long*)frame)->body;
+
+ if (lastPositionData.frame >= 0)
+ {
+ curPosInfo.timeInSamples = lastPositionData.frame;
+ curPosInfo.timeInSeconds = double(curPosInfo.timeInSamples)/sampleRate;
+ }
+ }
+
+ if (lastPositionData.bar >= 0 && lastPositionData.beatsPerBar > 0.0f)
+ {
+ curPosInfo.ppqPositionOfLastBarStart = lastPositionData.bar * lastPositionData.beatsPerBar;
+
+ if (lastPositionData.barBeat >= 0.0f)
+ curPosInfo.ppqPosition = curPosInfo.ppqPositionOfLastBarStart + lastPositionData.barBeat;
+ }
+
+ lastPositionData.extraValid = (lastPositionData.beatsPerMinute > 0.0 &&
+ lastPositionData.beatUnit > 0 &&
+ lastPositionData.beatsPerBar > 0.0f);
+ }
+ #endif
+ }
+ }
+#endif
+ {
+ AudioSampleBuffer chans (channels, jmax (numInChans, numOutChans), sampleCount);
+ filter->processBlock (chans, midiEvents);
+ }
+ }
+ }
+
+#if JucePlugin_WantsLV2TimePos
+ // update timePos for next callback
+ if (lastPositionData.speed != 0.0)
+ {
+ if (lastPositionData.speed > 0.0)
+ {
+ // playing forwards
+ lastPositionData.frame += sampleCount;
+ }
+ else
+ {
+ // playing backwards
+ lastPositionData.frame -= sampleCount;
+
+ if (lastPositionData.frame < 0)
+ lastPositionData.frame = 0;
+ }
+
+ curPosInfo.timeInSamples = lastPositionData.frame;
+ curPosInfo.timeInSeconds = double(curPosInfo.timeInSamples)/sampleRate;
+
+ if (lastPositionData.extraValid)
+ {
+ const double beatsPerMinute = lastPositionData.beatsPerMinute * lastPositionData.speed;
+ const double framesPerBeat = 60.0 * sampleRate / beatsPerMinute;
+ const double addedBarBeats = double(sampleCount) / framesPerBeat;
+
+ if (lastPositionData.bar >= 0 && lastPositionData.barBeat >= 0.0f)
+ {
+ lastPositionData.bar += std::floor((lastPositionData.barBeat+addedBarBeats)/
+ lastPositionData.beatsPerBar);
+ lastPositionData.barBeat = std::fmod(lastPositionData.barBeat+addedBarBeats,
+ lastPositionData.beatsPerBar);
+
+ if (lastPositionData.bar < 0)
+ lastPositionData.bar = 0;
+
+ curPosInfo.ppqPositionOfLastBarStart = lastPositionData.bar * lastPositionData.beatsPerBar;
+ curPosInfo.ppqPosition = curPosInfo.ppqPositionOfLastBarStart + lastPositionData.barBeat;
+ }
+
+ curPosInfo.bpm = std::abs(beatsPerMinute);
+ }
+ }
+#endif
+
+#if JucePlugin_ProducesMidiOutput
+ if (portMidiOut != nullptr)
+ {
+ const uint32_t capacity = portMidiOut->atom.size;
+
+ portMidiOut->atom.size = sizeof(LV2_Atom_Sequence_Body);
+ portMidiOut->atom.type = uridAtomSequence;
+ portMidiOut->body.unit = 0;
+ portMidiOut->body.pad = 0;
+
+ if (! midiEvents.isEmpty())
+ {
+ const uint8* midiEventData;
+ int midiEventSize, midiEventPosition;
+ MidiBuffer::Iterator i (midiEvents);
+
+ uint32_t size, offset = 0;
+ LV2_Atom_Event* aev;
+
+ while (i.getNextEvent (midiEventData, midiEventSize, midiEventPosition))
+ {
+ jassert (midiEventPosition >= 0 && midiEventPosition < (int)sampleCount);
+
+ if (sizeof(LV2_Atom_Event) + midiEventSize > capacity - offset)
+ break;
+
+ aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, portMidiOut) + offset);
+ aev->time.frames = midiEventPosition;
+ aev->body.type = uridMidiEvent;
+ aev->body.size = midiEventSize;
+ memcpy(LV2_ATOM_BODY(&aev->body), midiEventData, midiEventSize);
+
+ size = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + midiEventSize);
+ offset += size;
+ portMidiOut->atom.size += size;
+ }
+
+ midiEvents.clear();
+ }
+ } else
+#endif
+ if (! midiEvents.isEmpty())
+ {
+ midiEvents.clear();
+ }
+ }
+
+ //==============================================================================
+ // LV2 extended calls
+
+ uint32_t lv2GetOptions (LV2_Options_Option* options)
+ {
+ // currently unused
+ ignoreUnused(options);
+
+ return LV2_OPTIONS_SUCCESS;
+ }
+
+ uint32_t lv2SetOptions (const LV2_Options_Option* options)
+ {
+ for (int j=0; options[j].key != 0; ++j)
+ {
+ if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__nominalBlockLength))
+ {
+ if (options[j].type == uridAtomInt)
+ bufferSize = *(int*)options[j].value;
+ else
+ std::cerr << "Host changed nominalBlockLength but with wrong value type" << std::endl;
+ }
+ else if (options[j].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__maxBlockLength) && ! usingNominalBlockLength)
+ {
+ if (options[j].type == uridAtomInt)
+ bufferSize = *(int*)options[j].value;
+ else
+ std::cerr << "Host changed maxBlockLength but with wrong value type" << std::endl;
+ }
+ else if (options[j].key == uridMap->map(uridMap->handle, LV2_CORE__sampleRate))
+ {
+ if (options[j].type == uridAtomDouble)
+ sampleRate = *(double*)options[j].value;
+ else
+ std::cerr << "Host changed sampleRate but with wrong value type" << std::endl;
+ }
+ }
+
+ return LV2_OPTIONS_SUCCESS;
+ }
+
+ const LV2_Program_Descriptor* lv2GetProgram (uint32_t index)
+ {
+ jassert (filter != nullptr);
+
+ if (progDesc.name != nullptr)
+ {
+ free((void*)progDesc.name);
+ progDesc.name = nullptr;
+ }
+
+ if ((int)index < filter->getNumPrograms())
+ {
+ progDesc.bank = index / 128;
+ progDesc.program = index % 128;
+ progDesc.name = strdup(filter->getProgramName(index).toUTF8());
+ return &progDesc;
+ }
+
+ return nullptr;
+ }
+
+ void lv2SelectProgram (uint32_t bank, uint32_t program)
+ {
+ jassert (filter != nullptr);
+
+ int realProgram = bank * 128 + program;
+
+ if (realProgram < filter->getNumPrograms())
+ {
+ filter->setCurrentProgram(realProgram);
+
+ // update input control ports now
+ for (int i = 0; i < portControls.size(); ++i)
+ {
+ float value = filter->getParameter(i);
+
+ if (portControls[i] != nullptr)
+ *portControls[i] = value;
+
+ lastControlValues.set(i, value);
+ }
+ }
+ }
+
+ LV2_State_Status lv2SaveState (LV2_State_Store_Function store, LV2_State_Handle stateHandle)
+ {
+ jassert (filter != nullptr);
+
+#if JucePlugin_WantsLV2StateString
+ String stateData(filter->getStateInformationString().replace("\r\n","\n"));
+ CharPointer_UTF8 charData(stateData.toUTF8());
+
+ store (stateHandle,
+ uridMap->map(uridMap->handle, JUCE_LV2_STATE_STRING_URI),
+ charData.getAddress(),
+ charData.sizeInBytes(),
+ uridMap->map(uridMap->handle, LV2_ATOM__String),
+ LV2_STATE_IS_POD|LV2_STATE_IS_PORTABLE);
+#else
+ MemoryBlock chunkMemory;
+ filter->getCurrentProgramStateInformation (chunkMemory);
+
+ store (stateHandle,
+ uridMap->map(uridMap->handle, JUCE_LV2_STATE_BINARY_URI),
+ chunkMemory.getData(),
+ chunkMemory.getSize(),
+ uridMap->map(uridMap->handle, LV2_ATOM__Chunk),
+ LV2_STATE_IS_POD|LV2_STATE_IS_PORTABLE);
+#endif
+
+ return LV2_STATE_SUCCESS;
+ }
+
+ LV2_State_Status lv2RestoreState (LV2_State_Retrieve_Function retrieve, LV2_State_Handle stateHandle, uint32_t flags)
+ {
+ jassert (filter != nullptr);
+
+ size_t size = 0;
+ uint32 type = 0;
+ const void* data = retrieve (stateHandle,
+#if JucePlugin_WantsLV2StateString
+ uridMap->map(uridMap->handle, JUCE_LV2_STATE_STRING_URI),
+#else
+ uridMap->map(uridMap->handle, JUCE_LV2_STATE_BINARY_URI),
+#endif
+ &size, &type, &flags);
+
+ if (data == nullptr || size == 0 || type == 0)
+ return LV2_STATE_ERR_UNKNOWN;
+
+#if JucePlugin_WantsLV2StateString
+ if (type == uridMap->map (uridMap->handle, LV2_ATOM__String))
+ {
+ String stateData (CharPointer_UTF8(static_cast<const char*>(data)));
+ filter->setStateInformationString (stateData);
+
+ #if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ if (ui != nullptr)
+ ui->repaint();
+ #endif
+
+ return LV2_STATE_SUCCESS;
+ }
+#else
+ if (type == uridMap->map (uridMap->handle, LV2_ATOM__Chunk))
+ {
+ filter->setCurrentProgramStateInformation (data, size);
+
+ #if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ if (ui != nullptr)
+ ui->repaint();
+ #endif
+
+ return LV2_STATE_SUCCESS;
+ }
+#endif
+
+ return LV2_STATE_ERR_BAD_TYPE;
+ }
+
+ //==============================================================================
+ // Juce calls
+
+ bool getCurrentPosition (AudioPlayHead::CurrentPositionInfo& info)
+ {
+#if JucePlugin_WantsLV2TimePos
+ info = curPosInfo;
+ return true;
+#else
+ ignoreUnused(info);
+ return false;
+#endif
+ }
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ //==============================================================================
+ JuceLv2UIWrapper* getUI (LV2UI_Write_Function writeFunction, LV2UI_Controller controller, LV2UI_Widget* widget,
+ const LV2_Feature* const* features, bool isExternal)
+ {
+ const MessageManagerLock mmLock;
+
+ if (ui != nullptr)
+ ui->resetIfNeeded (writeFunction, controller, widget, features);
+ else
+ ui = new JuceLv2UIWrapper (filter, writeFunction, controller, widget, features, isExternal);
+
+ return ui;
+ }
+#endif
+
+private:
+#if JUCE_LINUX
+ SharedResourcePointer<SharedMessageThread> msgThread;
+#else
+ SharedResourcePointer<ScopedJuceInitialiser_GUI> sharedJuceGUI;
+#endif
+
+ ScopedPointer<AudioProcessor> filter;
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ ScopedPointer<JuceLv2UIWrapper> ui;
+#endif
+ HeapBlock<float*> channels;
+ MidiBuffer midiEvents;
+ int numInChans, numOutChans;
+
+#if (JucePlugin_WantsMidiInput || JucePlugin_WantsLV2TimePos)
+ LV2_Atom_Sequence* portEventsIn;
+#endif
+#if JucePlugin_ProducesMidiOutput
+ LV2_Atom_Sequence* portMidiOut;
+#endif
+ float* portFreewheel;
+#if JucePlugin_WantsLV2Latency
+ float* portLatency;
+#endif
+ float* portAudioIns[JucePlugin_MaxNumInputChannels];
+ float* portAudioOuts[JucePlugin_MaxNumOutputChannels];
+ Array<float*> portControls;
+
+ uint32 bufferSize;
+ double sampleRate;
+ Array<float> lastControlValues;
+ AudioPlayHead::CurrentPositionInfo curPosInfo;
+
+ struct Lv2PositionData {
+ int64_t bar;
+ float barBeat;
+ uint32_t beatUnit;
+ float beatsPerBar;
+ float beatsPerMinute;
+ int64_t frame;
+ double speed;
+ bool extraValid;
+
+ Lv2PositionData()
+ : bar(-1),
+ barBeat(-1.0f),
+ beatUnit(0),
+ beatsPerBar(0.0f),
+ beatsPerMinute(0.0f),
+ frame(-1),
+ speed(0.0),
+ extraValid(false) {}
+ };
+ Lv2PositionData lastPositionData;
+
+ const LV2_URID_Map* uridMap;
+ LV2_URID uridAtomBlank;
+ LV2_URID uridAtomObject;
+ LV2_URID uridAtomDouble;
+ LV2_URID uridAtomFloat;
+ LV2_URID uridAtomInt;
+ LV2_URID uridAtomLong;
+ LV2_URID uridAtomSequence;
+ LV2_URID uridMidiEvent;
+ LV2_URID uridTimePos;
+ LV2_URID uridTimeBar;
+ LV2_URID uridTimeBarBeat;
+ LV2_URID uridTimeBeatsPerBar; // timeSigNumerator
+ LV2_URID uridTimeBeatsPerMinute; // bpm
+ LV2_URID uridTimeBeatUnit; // timeSigDenominator
+ LV2_URID uridTimeFrame; // timeInSamples
+ LV2_URID uridTimeSpeed;
+
+ bool usingNominalBlockLength; // if false use maxBlockLength
+
+ LV2_Program_Descriptor progDesc;
+
+ JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceLv2Wrapper)
+};
+
+//==============================================================================
+// LV2 descriptor functions
+
+static LV2_Handle juceLV2_Instantiate (const LV2_Descriptor*, double sampleRate, const char*, const LV2_Feature* const* features)
+{
+ return new JuceLv2Wrapper (sampleRate, features);
+}
+
+#define handlePtr ((JuceLv2Wrapper*)handle)
+
+static void juceLV2_ConnectPort (LV2_Handle handle, uint32 port, void* dataLocation)
+{
+ handlePtr->lv2ConnectPort (port, dataLocation);
+}
+
+static void juceLV2_Activate (LV2_Handle handle)
+{
+ handlePtr->lv2Activate();
+}
+
+static void juceLV2_Run( LV2_Handle handle, uint32 sampleCount)
+{
+ handlePtr->lv2Run (sampleCount);
+}
+
+static void juceLV2_Deactivate (LV2_Handle handle)
+{
+ handlePtr->lv2Deactivate();
+}
+
+static void juceLV2_Cleanup (LV2_Handle handle)
+{
+ delete handlePtr;
+}
+
+//==============================================================================
+// LV2 extended functions
+
+static uint32_t juceLV2_getOptions (LV2_Handle handle, LV2_Options_Option* options)
+{
+ return handlePtr->lv2GetOptions(options);
+}
+
+static uint32_t juceLV2_setOptions (LV2_Handle handle, const LV2_Options_Option* options)
+{
+ return handlePtr->lv2SetOptions(options);
+}
+
+static const LV2_Program_Descriptor* juceLV2_getProgram (LV2_Handle handle, uint32_t index)
+{
+ return handlePtr->lv2GetProgram(index);
+}
+
+static void juceLV2_selectProgram (LV2_Handle handle, uint32_t bank, uint32_t program)
+{
+ handlePtr->lv2SelectProgram(bank, program);
+}
+
+static LV2_State_Status juceLV2_SaveState (LV2_Handle handle, LV2_State_Store_Function store, LV2_State_Handle stateHandle,
+ uint32_t, const LV2_Feature* const*)
+{
+ return handlePtr->lv2SaveState(store, stateHandle);
+}
+
+static LV2_State_Status juceLV2_RestoreState (LV2_Handle handle, LV2_State_Retrieve_Function retrieve, LV2_State_Handle stateHandle,
+ uint32_t flags, const LV2_Feature* const*)
+{
+ return handlePtr->lv2RestoreState(retrieve, stateHandle, flags);
+}
+
+#undef handlePtr
+
+static const void* juceLV2_ExtensionData (const char* uri)
+{
+ static const LV2_Options_Interface options = { juceLV2_getOptions, juceLV2_setOptions };
+ static const LV2_Programs_Interface programs = { juceLV2_getProgram, juceLV2_selectProgram };
+ static const LV2_State_Interface state = { juceLV2_SaveState, juceLV2_RestoreState };
+
+ if (strcmp(uri, LV2_OPTIONS__interface) == 0)
+ return &options;
+ if (strcmp(uri, LV2_PROGRAMS__Interface) == 0)
+ return &programs;
+ if (strcmp(uri, LV2_STATE__interface) == 0)
+ return &state;
+
+ return nullptr;
+}
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+//==============================================================================
+// LV2 UI descriptor functions
+
+static LV2UI_Handle juceLV2UI_Instantiate (LV2UI_Write_Function writeFunction, LV2UI_Controller controller,
+ LV2UI_Widget* widget, const LV2_Feature* const* features, bool isExternal)
+{
+ for (int i = 0; features[i] != nullptr; ++i)
+ {
+ if (strcmp(features[i]->URI, LV2_INSTANCE_ACCESS_URI) == 0 && features[i]->data != nullptr)
+ {
+ JuceLv2Wrapper* wrapper = (JuceLv2Wrapper*)features[i]->data;
+ return wrapper->getUI(writeFunction, controller, widget, features, isExternal);
+ }
+ }
+
+ std::cerr << "Host does not support instance-access, cannot use UI" << std::endl;
+ return nullptr;
+}
+
+static LV2UI_Handle juceLV2UI_InstantiateExternal (const LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function writeFunction,
+ LV2UI_Controller controller, LV2UI_Widget* widget, const LV2_Feature* const* features)
+{
+ return juceLV2UI_Instantiate(writeFunction, controller, widget, features, true);
+}
+
+static LV2UI_Handle juceLV2UI_InstantiateParent (const LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function writeFunction,
+ LV2UI_Controller controller, LV2UI_Widget* widget, const LV2_Feature* const* features)
+{
+ return juceLV2UI_Instantiate(writeFunction, controller, widget, features, false);
+}
+
+static void juceLV2UI_Cleanup (LV2UI_Handle handle)
+{
+ ((JuceLv2UIWrapper*)handle)->lv2Cleanup();
+}
+#endif
+
+//==============================================================================
+// static LV2 Descriptor objects
+
+static const LV2_Descriptor JuceLv2Plugin = {
+ strdup(getPluginURI().toRawUTF8()),
+ juceLV2_Instantiate,
+ juceLV2_ConnectPort,
+ juceLV2_Activate,
+ juceLV2_Run,
+ juceLV2_Deactivate,
+ juceLV2_Cleanup,
+ juceLV2_ExtensionData
+};
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+static const LV2UI_Descriptor JuceLv2UI_External = {
+ strdup(String(getPluginURI() + "#ExternalUI").toRawUTF8()),
+ juceLV2UI_InstantiateExternal,
+ juceLV2UI_Cleanup,
+ nullptr,
+ nullptr
+};
+
+static const LV2UI_Descriptor JuceLv2UI_Parent = {
+ strdup(String(getPluginURI() + "#ParentUI").toRawUTF8()),
+ juceLV2UI_InstantiateParent,
+ juceLV2UI_Cleanup,
+ nullptr,
+ nullptr
+};
+#endif
+
+static const struct DescriptorCleanup {
+ DescriptorCleanup() {}
+ ~DescriptorCleanup()
+ {
+ free((void*)JuceLv2Plugin.URI);
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+ free((void*)JuceLv2UI_External.URI);
+ free((void*)JuceLv2UI_Parent.URI);
+#endif
+ }
+} _descCleanup;
+
+#if JUCE_WINDOWS
+ #define JUCE_EXPORTED_FUNCTION extern "C" __declspec (dllexport)
+#else
+ #define JUCE_EXPORTED_FUNCTION extern "C" __attribute__ ((visibility("default")))
+#endif
+
+//==============================================================================
+// startup code..
+
+JUCE_EXPORTED_FUNCTION void lv2_generate_ttl (const char* basename);
+JUCE_EXPORTED_FUNCTION void lv2_generate_ttl (const char* basename)
+{
+ createLv2Files (basename);
+}
+
+JUCE_EXPORTED_FUNCTION const LV2_Descriptor* lv2_descriptor (uint32 index);
+JUCE_EXPORTED_FUNCTION const LV2_Descriptor* lv2_descriptor (uint32 index)
+{
+ return (index == 0) ? &JuceLv2Plugin : nullptr;
+}
+
+#if ! JUCE_AUDIOPROCESSOR_NO_GUI
+JUCE_EXPORTED_FUNCTION const LV2UI_Descriptor* lv2ui_descriptor (uint32 index);
+JUCE_EXPORTED_FUNCTION const LV2UI_Descriptor* lv2ui_descriptor (uint32 index)
+{
+ switch (index)
+ {
+ case 0:
+ return &JuceLv2UI_External;
+ case 1:
+ return &JuceLv2UI_Parent;
+ default:
+ return nullptr;
+ }
+}
+#endif
+
+#endif
--- /dev/null
+/*\r
+ ==============================================================================\r
+\r
+ This file is part of the JUCE library.\r
+ Copyright (c) 2017 - ROLI Ltd.\r
+\r
+ JUCE is an open source library subject to commercial or open-source\r
+ licensing.\r
+\r
+ By using JUCE, you agree to the terms of both the JUCE 5 End-User License\r
+ Agreement and JUCE 5 Privacy Policy (both updated and effective as of the\r
+ 27th April 2017).\r
+\r
+ End User License Agreement: www.juce.com/juce-5-licence\r
+ Privacy Policy: www.juce.com/juce-5-privacy-policy\r
+\r
+ Or: You may also use this code under the terms of the GPL v3 (see\r
+ www.gnu.org/licenses).\r
+\r
+ JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER\r
+ EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE\r
+ DISCLAIMED.\r
+\r
+ ==============================================================================\r
+*/\r
+\r
+#include "LV2/juce_LV2_Wrapper.cpp"\r
--- /dev/null
+Description: LV2 fixes for autiodprocessor
+Author: Filipe Coelho <falkTX>
+Origin: https://github.com/DISTRHO/juce/tree/9f6cdc3659df13169285464ee1d13ef14357f833
+Reviewed-by: IOhannes m zmölnig
+Last-Update: 2018-02-10
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+--- juce.orig/modules/juce_audio_processors/processors/juce_AudioProcessor.h
++++ juce/modules/juce_audio_processors/processors/juce_AudioProcessor.h
+@@ -908,6 +908,7 @@
+ */\r
+ virtual void setNonRealtime (bool isNonRealtime) noexcept;\r
+ \r
++ #if ! JUCE_AUDIOPROCESSOR_NO_GUI\r
+ //==============================================================================\r
+ /** Creates the processor's GUI.\r
+ \r
+@@ -954,6 +955,7 @@
+ This may call createEditor() internally to create the component.\r
+ */\r
+ AudioProcessorEditor* createEditorIfNeeded();\r
++ #endif\r
+ \r
+ //==============================================================================\r
+ /** This must return the correct value immediately after the object has been\r
+@@ -1278,6 +1280,11 @@
+ virtual void processorLayoutsChanged();\r
+ \r
+ //==============================================================================\r
++ /** LV2 specific calls, saving/restore as string. */\r
++ virtual String getStateInformationString () { return String(); }\r
++ virtual void setStateInformationString (const String&) {}\r
++\r
++ //==============================================================================\r
+ /** Adds a listener that will be called when an aspect of this processor changes. */\r
+ virtual void addListener (AudioProcessorListener* newListener);\r
+ \r
+@@ -1319,9 +1326,11 @@
+ const AudioChannelSet& mainOutputLayout,\r
+ bool idForAudioSuite) const;\r
+ \r
++ #if ! JUCE_AUDIOPROCESSOR_NO_GUI\r
+ //==============================================================================\r
+ /** Not for public use - this is called before deleting an editor component. */\r
+ void editorBeingDeleted (AudioProcessorEditor*) noexcept;\r
++ #endif\r
+ \r
+ /** Flags to indicate the type of plugin context in which a processor is being used. */\r
+ enum WrapperType\r
+@@ -1333,6 +1342,7 @@
+ wrapperType_AudioUnitv3,\r
+ wrapperType_RTAS,\r
+ wrapperType_AAX,\r
++ wrapperType_LV2,\r
+ wrapperType_Standalone\r
+ };\r
+ \r
+@@ -1581,7 +1591,9 @@
+ \r
+ //==============================================================================\r
+ Array<AudioProcessorListener*> listeners;\r
++ #if ! JUCE_AUDIOPROCESSOR_NO_GUI\r
+ Component::SafePointer<AudioProcessorEditor> activeEditor;\r
++ #endif\r
+ double currentSampleRate = 0;\r
+ int blockSize = 0, latencySamples = 0;\r
+ bool suspended = false, nonRealtime = false;\r
reproducible-date.patch
+LV2-audioprocessor.patch
debian_fixed-defines.patch
debian_gpl_variant.patch
debian_no-update-check.patch
projects / juce.git / commitdiff