mirror of
https://github.com/Ardour/ardour.git
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2819 lines
84 KiB
C++
2819 lines
84 KiB
C++
/*
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Copyright (C) 2008-2012 Paul Davis
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Author: David Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <string>
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#include <vector>
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#include <limits>
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#include <cmath>
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#include <cstdlib>
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#include <cstring>
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#include "pbd/gstdio_compat.h"
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#include <glib/gprintf.h>
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#include <glibmm.h>
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#include <boost/utility.hpp>
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#include "pbd/file_utils.h"
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#include "pbd/stl_delete.h"
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#include "pbd/compose.h"
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#include "pbd/error.h"
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#include "pbd/xml++.h"
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#include "libardour-config.h"
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#include "ardour/audio_buffer.h"
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#include "ardour/audioengine.h"
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#include "ardour/debug.h"
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#include "ardour/lv2_plugin.h"
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#include "ardour/session.h"
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#include "ardour/tempo.h"
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#include "ardour/types.h"
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#include "ardour/utils.h"
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#include "ardour/worker.h"
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#include "ardour/search_paths.h"
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#include "i18n.h"
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#include <locale.h>
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#include <lilv/lilv.h>
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#include "lv2/lv2plug.in/ns/ext/atom/atom.h"
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#include "lv2/lv2plug.in/ns/ext/atom/forge.h"
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#include "lv2/lv2plug.in/ns/ext/log/log.h"
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#include "lv2/lv2plug.in/ns/ext/midi/midi.h"
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#include "lv2/lv2plug.in/ns/ext/port-props/port-props.h"
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#include "lv2/lv2plug.in/ns/ext/presets/presets.h"
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#include "lv2/lv2plug.in/ns/ext/state/state.h"
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#include "lv2/lv2plug.in/ns/ext/time/time.h"
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#include "lv2/lv2plug.in/ns/ext/worker/worker.h"
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#include "lv2/lv2plug.in/ns/ext/resize-port/resize-port.h"
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#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
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#include "lv2/lv2plug.in/ns/extensions/units/units.h"
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#include "lv2/lv2plug.in/ns/ext/patch/patch.h"
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#ifdef HAVE_LV2_1_2_0
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#include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h"
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#include "lv2/lv2plug.in/ns/ext/options/options.h"
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#endif
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#include "lv2_evbuf.h"
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#ifdef HAVE_SUIL
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#include <suil/suil.h>
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#endif
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// Compatibility for old LV2
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#ifndef LV2_ATOM_CONTENTS_CONST
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#define LV2_ATOM_CONTENTS_CONST(type, atom) \
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((const void*)((const uint8_t*)(atom) + sizeof(type)))
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#endif
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#ifndef LV2_ATOM_BODY_CONST
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#define LV2_ATOM_BODY_CONST(atom) LV2_ATOM_CONTENTS_CONST(LV2_Atom, atom)
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#endif
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#ifndef LV2_PATCH__property
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#define LV2_PATCH__property LV2_PATCH_PREFIX "property"
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#endif
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#ifndef LV2_PATCH__value
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#define LV2_PATCH__value LV2_PATCH_PREFIX "value"
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#endif
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#ifndef LV2_PATCH__writable
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#define LV2_PATCH__writable LV2_PATCH_PREFIX "writable"
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#endif
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/** The number of MIDI buffers that will fit in a UI/worker comm buffer.
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This needs to be roughly the number of cycles the UI will get around to
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actually processing the traffic. Lower values are flakier but save memory.
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*/
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static const size_t NBUFS = 4;
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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class LV2World : boost::noncopyable {
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public:
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LV2World ();
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~LV2World ();
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void load_bundled_plugins(bool verbose=false);
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LilvWorld* world;
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LilvNode* atom_AtomPort;
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LilvNode* atom_Chunk;
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LilvNode* atom_Sequence;
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LilvNode* atom_bufferType;
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LilvNode* atom_eventTransfer;
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LilvNode* atom_supports;
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LilvNode* ev_EventPort;
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LilvNode* ext_logarithmic;
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LilvNode* ext_notOnGUI;
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LilvNode* lv2_AudioPort;
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LilvNode* lv2_ControlPort;
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LilvNode* lv2_InputPort;
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LilvNode* lv2_OutputPort;
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LilvNode* lv2_enumeration;
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LilvNode* lv2_freewheeling;
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LilvNode* lv2_inPlaceBroken;
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LilvNode* lv2_integer;
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LilvNode* lv2_default;
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LilvNode* lv2_minimum;
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LilvNode* lv2_maximum;
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LilvNode* lv2_reportsLatency;
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LilvNode* lv2_sampleRate;
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LilvNode* lv2_toggled;
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LilvNode* midi_MidiEvent;
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LilvNode* rdfs_comment;
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LilvNode* rdfs_label;
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LilvNode* rdfs_range;
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LilvNode* rsz_minimumSize;
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LilvNode* time_Position;
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LilvNode* ui_GtkUI;
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LilvNode* ui_external;
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LilvNode* ui_externalkx;
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LilvNode* units_hz;
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LilvNode* units_db;
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LilvNode* units_unit;
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LilvNode* units_render;
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LilvNode* units_midiNote;
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LilvNode* patch_writable;
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LilvNode* patch_Message;
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LilvNode* lv2_noSampleAccurateCtrl;
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#ifdef HAVE_LV2_1_2_0
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LilvNode* bufz_powerOf2BlockLength;
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LilvNode* bufz_fixedBlockLength;
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LilvNode* bufz_nominalBlockLength;
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#endif
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private:
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bool _bundle_checked;
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};
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static LV2World _world;
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/* worker extension */
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/** Called by the plugin to schedule non-RT work. */
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static LV2_Worker_Status
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work_schedule(LV2_Worker_Schedule_Handle handle,
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uint32_t size,
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const void* data)
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{
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LV2Plugin* plugin = (LV2Plugin*)handle;
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if (plugin->session().engine().freewheeling()) {
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// Freewheeling, do the work immediately in this (audio) thread
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return (LV2_Worker_Status)plugin->work(size, data);
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} else {
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// Enqueue message for the worker thread
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return plugin->worker()->schedule(size, data) ?
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LV2_WORKER_SUCCESS : LV2_WORKER_ERR_UNKNOWN;
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}
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}
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/** Called by the plugin to respond to non-RT work. */
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static LV2_Worker_Status
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work_respond(LV2_Worker_Respond_Handle handle,
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uint32_t size,
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const void* data)
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{
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LV2Plugin* plugin = (LV2Plugin*)handle;
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if (plugin->session().engine().freewheeling()) {
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// Freewheeling, respond immediately in this (audio) thread
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return (LV2_Worker_Status)plugin->work_response(size, data);
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} else {
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// Enqueue response for the worker
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return plugin->worker()->respond(size, data) ?
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LV2_WORKER_SUCCESS : LV2_WORKER_ERR_UNKNOWN;
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}
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}
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/* log extension */
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static int
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log_vprintf(LV2_Log_Handle /*handle*/,
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LV2_URID type,
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const char* fmt,
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va_list args)
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{
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char* str = NULL;
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const int ret = g_vasprintf(&str, fmt, args);
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if (type == URIMap::instance().urids.log_Error) {
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error << str << endmsg;
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} else if (type == URIMap::instance().urids.log_Warning) {
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warning << str << endmsg;
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} else if (type == URIMap::instance().urids.log_Note) {
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info << str << endmsg;
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}
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// TODO: Toggleable log:Trace message support
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return ret;
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}
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static int
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log_printf(LV2_Log_Handle handle,
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LV2_URID type,
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const char* fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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const int ret = log_vprintf(handle, type, fmt, args);
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va_end(args);
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return ret;
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}
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struct LV2Plugin::Impl {
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Impl() : plugin(0), ui(0), ui_type(0), name(0), author(0), instance(0)
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, work_iface(0)
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#ifdef HAVE_LV2_1_2_0
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, opts_iface(0)
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#endif
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, state(0)
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, block_length(0)
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#ifdef HAVE_LV2_1_2_0
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, options(0)
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#endif
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{}
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/** Find the LV2 input port with the given designation.
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* If found, bufptrs[port_index] will be set to bufptr.
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*/
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const LilvPort* designated_input (const char* uri, void** bufptrs[], void** bufptr);
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const LilvPlugin* plugin;
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const LilvUI* ui;
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const LilvNode* ui_type;
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LilvNode* name;
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LilvNode* author;
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LilvInstance* instance;
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const LV2_Worker_Interface* work_iface;
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#ifdef HAVE_LV2_1_2_0
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const LV2_Options_Interface* opts_iface;
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#endif
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LilvState* state;
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LV2_Atom_Forge forge;
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LV2_Atom_Forge ui_forge;
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int32_t block_length;
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#ifdef HAVE_LV2_1_2_0
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LV2_Options_Option* options;
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#endif
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};
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LV2Plugin::LV2Plugin (AudioEngine& engine,
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Session& session,
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const void* c_plugin,
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framecnt_t rate)
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: Plugin (engine, session)
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, Workee ()
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, _impl(new Impl())
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, _features(NULL)
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, _worker(NULL)
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, _insert_id("0")
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, _patch_port_in_index((uint32_t)-1)
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, _patch_port_out_index((uint32_t)-1)
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, _uri_map(URIMap::instance())
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, _no_sample_accurate_ctrl (false)
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{
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init(c_plugin, rate);
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}
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LV2Plugin::LV2Plugin (const LV2Plugin& other)
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: Plugin (other)
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, Workee ()
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, _impl(new Impl())
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, _features(NULL)
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, _worker(NULL)
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, _insert_id(other._insert_id)
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, _patch_port_in_index((uint32_t)-1)
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, _patch_port_out_index((uint32_t)-1)
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, _uri_map(URIMap::instance())
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, _no_sample_accurate_ctrl (false)
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{
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init(other._impl->plugin, other._sample_rate);
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for (uint32_t i = 0; i < parameter_count(); ++i) {
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_control_data[i] = other._shadow_data[i];
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_shadow_data[i] = other._shadow_data[i];
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}
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}
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void
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LV2Plugin::init(const void* c_plugin, framecnt_t rate)
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{
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DEBUG_TRACE(DEBUG::LV2, "init\n");
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_impl->plugin = (const LilvPlugin*)c_plugin;
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_impl->ui = NULL;
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_impl->ui_type = NULL;
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_to_ui = NULL;
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_from_ui = NULL;
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_control_data = 0;
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_shadow_data = 0;
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_atom_ev_buffers = 0;
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_ev_buffers = 0;
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_bpm_control_port = 0;
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_freewheel_control_port = 0;
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_latency_control_port = 0;
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_next_cycle_start = std::numeric_limits<framepos_t>::max();
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_next_cycle_speed = 1.0;
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_seq_size = _engine.raw_buffer_size(DataType::MIDI);
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_state_version = 0;
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_was_activated = false;
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_has_state_interface = false;
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_impl->block_length = _session.get_block_size();
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_instance_access_feature.URI = "http://lv2plug.in/ns/ext/instance-access";
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_data_access_feature.URI = "http://lv2plug.in/ns/ext/data-access";
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_make_path_feature.URI = LV2_STATE__makePath;
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_log_feature.URI = LV2_LOG__log;
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_work_schedule_feature.URI = LV2_WORKER__schedule;
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_work_schedule_feature.data = NULL;
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_def_state_feature.URI = LV2_STATE_PREFIX "loadDefaultState"; // Post LV2-1.2.0
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_def_state_feature.data = NULL;
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const LilvPlugin* plugin = _impl->plugin;
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LilvNode* state_iface_uri = lilv_new_uri(_world.world, LV2_STATE__interface);
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LilvNode* state_uri = lilv_new_uri(_world.world, LV2_STATE_URI);
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_has_state_interface =
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// What plugins should have (lv2:extensionData state:Interface)
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lilv_plugin_has_extension_data(plugin, state_iface_uri)
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// What some outdated/incorrect ones have
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|| lilv_plugin_has_feature(plugin, state_uri);
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lilv_node_free(state_uri);
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lilv_node_free(state_iface_uri);
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_features = (LV2_Feature**)calloc(11, sizeof(LV2_Feature*));
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_features[0] = &_instance_access_feature;
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_features[1] = &_data_access_feature;
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_features[2] = &_make_path_feature;
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_features[3] = _uri_map.uri_map_feature();
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_features[4] = _uri_map.urid_map_feature();
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_features[5] = _uri_map.urid_unmap_feature();
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_features[6] = &_log_feature;
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unsigned n_features = 7;
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#ifdef HAVE_LV2_1_2_0
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_features[n_features++] = &_def_state_feature;
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#endif
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lv2_atom_forge_init(&_impl->forge, _uri_map.urid_map());
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lv2_atom_forge_init(&_impl->ui_forge, _uri_map.urid_map());
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#ifdef HAVE_LV2_1_2_0
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LV2_URID atom_Int = _uri_map.uri_to_id(LV2_ATOM__Int);
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static const int32_t _min_block_length = 1; // may happen during split-cycles
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static const int32_t _max_block_length = 8192; // max possible (with all engines and during export)
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/* Consider updating max-block-size whenever the buffersize changes.
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* It requires re-instantiating the plugin (which is a non-realtime operation),
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* so it should be done lightly and only for plugins that require it.
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*
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* given that the block-size can change at any time (split-cycles) ardour currently
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* does not support plugins that require bufz_fixedBlockLength.
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*/
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LV2_Options_Option options[] = {
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{ LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__minBlockLength),
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sizeof(int32_t), atom_Int, &_min_block_length },
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{ LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__maxBlockLength),
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sizeof(int32_t), atom_Int, &_max_block_length },
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{ LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__sequenceSize),
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sizeof(int32_t), atom_Int, &_seq_size },
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{ LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id("http://lv2plug.in/ns/ext/buf-size#nominalBlockLength"),
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sizeof(int32_t), atom_Int, &_impl->block_length },
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{ LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL }
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};
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_impl->options = (LV2_Options_Option*) malloc (sizeof (options));
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memcpy ((void*) _impl->options, (void*) options, sizeof (options));
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_options_feature.URI = LV2_OPTIONS__options;
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_options_feature.data = _impl->options;
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_features[n_features++] = &_options_feature;
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#endif
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LV2_State_Make_Path* make_path = (LV2_State_Make_Path*)malloc(
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sizeof(LV2_State_Make_Path));
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make_path->handle = this;
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make_path->path = &lv2_state_make_path;
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_make_path_feature.data = make_path;
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LV2_Log_Log* log = (LV2_Log_Log*)malloc(sizeof(LV2_Log_Log));
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log->handle = this;
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log->printf = &log_printf;
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log->vprintf = &log_vprintf;
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_log_feature.data = log;
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LilvNode* worker_schedule = lilv_new_uri(_world.world, LV2_WORKER__schedule);
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if (lilv_plugin_has_feature(plugin, worker_schedule)) {
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LV2_Worker_Schedule* schedule = (LV2_Worker_Schedule*)malloc(
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sizeof(LV2_Worker_Schedule));
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size_t buf_size = _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS;
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_worker = new Worker(this, buf_size);
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schedule->handle = this;
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schedule->schedule_work = work_schedule;
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_work_schedule_feature.data = schedule;
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_features[n_features++] = &_work_schedule_feature;
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}
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lilv_node_free(worker_schedule);
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_impl->instance = lilv_plugin_instantiate(plugin, rate, _features);
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_impl->name = lilv_plugin_get_name(plugin);
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_impl->author = lilv_plugin_get_author_name(plugin);
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if (_impl->instance == 0) {
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error << _("LV2: Failed to instantiate plugin ") << uri() << endmsg;
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throw failed_constructor();
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}
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_instance_access_feature.data = (void*)_impl->instance->lv2_handle;
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_data_access_extension_data.extension_data = _impl->instance->lv2_descriptor->extension_data;
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_data_access_feature.data = &_data_access_extension_data;
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LilvNode* worker_iface_uri = lilv_new_uri(_world.world, LV2_WORKER__interface);
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if (lilv_plugin_has_extension_data(plugin, worker_iface_uri)) {
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_impl->work_iface = (const LV2_Worker_Interface*)extension_data(
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LV2_WORKER__interface);
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}
|
|
lilv_node_free(worker_iface_uri);
|
|
|
|
|
|
#ifdef HAVE_LV2_1_2_0
|
|
LilvNode* options_iface_uri = lilv_new_uri(_world.world, LV2_OPTIONS__interface);
|
|
if (lilv_plugin_has_extension_data(plugin, options_iface_uri)) {
|
|
_impl->opts_iface = (const LV2_Options_Interface*)extension_data(
|
|
LV2_OPTIONS__interface);
|
|
}
|
|
lilv_node_free(options_iface_uri);
|
|
#endif
|
|
|
|
if (lilv_plugin_has_feature(plugin, _world.lv2_inPlaceBroken)) {
|
|
error << string_compose(
|
|
_("LV2: \"%1\" cannot be used, since it cannot do inplace processing."),
|
|
lilv_node_as_string(_impl->name)) << endmsg;
|
|
lilv_node_free(_impl->name);
|
|
lilv_node_free(_impl->author);
|
|
throw failed_constructor();
|
|
}
|
|
|
|
#ifdef HAVE_LV2_1_2_0
|
|
LilvNodes *required_features = lilv_plugin_get_required_features (plugin);
|
|
if (lilv_nodes_contains (required_features, _world.bufz_powerOf2BlockLength) ||
|
|
lilv_nodes_contains (required_features, _world.bufz_fixedBlockLength)
|
|
) {
|
|
error << string_compose(
|
|
_("LV2: \"%1\" buffer-size requirements cannot be satisfied."),
|
|
lilv_node_as_string(_impl->name)) << endmsg;
|
|
lilv_node_free(_impl->name);
|
|
lilv_node_free(_impl->author);
|
|
lilv_nodes_free(required_features);
|
|
throw failed_constructor();
|
|
}
|
|
lilv_nodes_free(required_features);
|
|
|
|
LilvNodes* optional_features = lilv_plugin_get_optional_features (plugin);
|
|
if (lilv_nodes_contains (optional_features, _world.lv2_noSampleAccurateCtrl)) {
|
|
_no_sample_accurate_ctrl = true;
|
|
}
|
|
lilv_nodes_free(optional_features);
|
|
#endif
|
|
|
|
#ifdef HAVE_LILV_0_16_0
|
|
// Load default state
|
|
LilvState* state = lilv_state_new_from_world(
|
|
_world.world, _uri_map.urid_map(), lilv_plugin_get_uri(_impl->plugin));
|
|
if (state && _has_state_interface) {
|
|
lilv_state_restore(state, _impl->instance, NULL, NULL, 0, NULL);
|
|
}
|
|
lilv_state_free(state);
|
|
#endif
|
|
|
|
_sample_rate = rate;
|
|
|
|
const uint32_t num_ports = this->num_ports();
|
|
for (uint32_t i = 0; i < num_ports; ++i) {
|
|
const LilvPort* port = lilv_plugin_get_port_by_index(_impl->plugin, i);
|
|
PortFlags flags = 0;
|
|
size_t minimumSize = 0;
|
|
|
|
if (lilv_port_is_a(_impl->plugin, port, _world.lv2_OutputPort)) {
|
|
flags |= PORT_OUTPUT;
|
|
} else if (lilv_port_is_a(_impl->plugin, port, _world.lv2_InputPort)) {
|
|
flags |= PORT_INPUT;
|
|
} else {
|
|
error << string_compose(
|
|
"LV2: \"%1\" port %2 is neither input nor output",
|
|
lilv_node_as_string(_impl->name), i) << endmsg;
|
|
throw failed_constructor();
|
|
}
|
|
|
|
if (lilv_port_is_a(_impl->plugin, port, _world.lv2_ControlPort)) {
|
|
flags |= PORT_CONTROL;
|
|
} else if (lilv_port_is_a(_impl->plugin, port, _world.lv2_AudioPort)) {
|
|
flags |= PORT_AUDIO;
|
|
} else if (lilv_port_is_a(_impl->plugin, port, _world.ev_EventPort)) {
|
|
flags |= PORT_EVENT;
|
|
flags |= PORT_MIDI; // We assume old event API ports are for MIDI
|
|
} else if (lilv_port_is_a(_impl->plugin, port, _world.atom_AtomPort)) {
|
|
LilvNodes* buffer_types = lilv_port_get_value(
|
|
_impl->plugin, port, _world.atom_bufferType);
|
|
LilvNodes* atom_supports = lilv_port_get_value(
|
|
_impl->plugin, port, _world.atom_supports);
|
|
|
|
if (lilv_nodes_contains(buffer_types, _world.atom_Sequence)) {
|
|
flags |= PORT_SEQUENCE;
|
|
if (lilv_nodes_contains(atom_supports, _world.midi_MidiEvent)) {
|
|
flags |= PORT_MIDI;
|
|
}
|
|
if (lilv_nodes_contains(atom_supports, _world.time_Position)) {
|
|
flags |= PORT_POSITION;
|
|
}
|
|
if (lilv_nodes_contains(atom_supports, _world.patch_Message)) {
|
|
flags |= PORT_PATCHMSG;
|
|
if (flags & PORT_INPUT) {
|
|
_patch_port_in_index = i;
|
|
} else {
|
|
_patch_port_out_index = i;
|
|
}
|
|
}
|
|
}
|
|
LilvNodes* min_size_v = lilv_port_get_value(_impl->plugin, port, _world.rsz_minimumSize);
|
|
LilvNode* min_size = min_size_v ? lilv_nodes_get_first(min_size_v) : NULL;
|
|
if (min_size && lilv_node_is_int(min_size)) {
|
|
minimumSize = lilv_node_as_int(min_size);
|
|
}
|
|
lilv_nodes_free(min_size_v);
|
|
lilv_nodes_free(buffer_types);
|
|
lilv_nodes_free(atom_supports);
|
|
} else {
|
|
error << string_compose(
|
|
"LV2: \"%1\" port %2 has no known data type",
|
|
lilv_node_as_string(_impl->name), i) << endmsg;
|
|
throw failed_constructor();
|
|
}
|
|
|
|
_port_flags.push_back(flags);
|
|
_port_minimumSize.push_back(minimumSize);
|
|
}
|
|
|
|
_control_data = new float[num_ports];
|
|
_shadow_data = new float[num_ports];
|
|
_defaults = new float[num_ports];
|
|
_ev_buffers = new LV2_Evbuf*[num_ports];
|
|
memset(_ev_buffers, 0, sizeof(LV2_Evbuf*) * num_ports);
|
|
|
|
const bool latent = lilv_plugin_has_latency(plugin);
|
|
const uint32_t latency_index = (latent)
|
|
? lilv_plugin_get_latency_port_index(plugin)
|
|
: 0;
|
|
|
|
// Build an array of pointers to special parameter buffers
|
|
void*** params = new void**[num_ports];
|
|
for (uint32_t i = 0; i < num_ports; ++i) {
|
|
params[i] = NULL;
|
|
}
|
|
_impl->designated_input (LV2_TIME__beatsPerMinute, params, (void**)&_bpm_control_port);
|
|
_impl->designated_input (LV2_CORE__freeWheeling, params, (void**)&_freewheel_control_port);
|
|
|
|
for (uint32_t i = 0; i < num_ports; ++i) {
|
|
const LilvPort* port = lilv_plugin_get_port_by_index(plugin, i);
|
|
const LilvNode* sym = lilv_port_get_symbol(plugin, port);
|
|
|
|
// Store index in map so we can look up index by symbol
|
|
_port_indices.insert(std::make_pair(lilv_node_as_string(sym), i));
|
|
|
|
// Get range and default value if applicable
|
|
if (parameter_is_control(i)) {
|
|
LilvNode* def;
|
|
lilv_port_get_range(plugin, port, &def, NULL, NULL);
|
|
_defaults[i] = def ? lilv_node_as_float(def) : 0.0f;
|
|
if (lilv_port_has_property (plugin, port, _world.lv2_sampleRate)) {
|
|
_defaults[i] *= _session.frame_rate ();
|
|
}
|
|
lilv_node_free(def);
|
|
|
|
lilv_instance_connect_port(_impl->instance, i, &_control_data[i]);
|
|
|
|
if (latent && i == latency_index) {
|
|
_latency_control_port = &_control_data[i];
|
|
*_latency_control_port = 0;
|
|
}
|
|
|
|
if (parameter_is_input(i)) {
|
|
_shadow_data[i] = default_value(i);
|
|
if (params[i]) {
|
|
*params[i] = (void*)&_shadow_data[i];
|
|
}
|
|
}
|
|
} else {
|
|
_defaults[i] = 0.0f;
|
|
}
|
|
}
|
|
|
|
delete[] params;
|
|
|
|
LilvUIs* uis = lilv_plugin_get_uis(plugin);
|
|
if (lilv_uis_size(uis) > 0) {
|
|
#ifdef HAVE_SUIL
|
|
// Look for embeddable UI
|
|
LILV_FOREACH(uis, u, uis) {
|
|
const LilvUI* this_ui = lilv_uis_get(uis, u);
|
|
const LilvNode* this_ui_type = NULL;
|
|
if (lilv_ui_is_supported(this_ui,
|
|
suil_ui_supported,
|
|
_world.ui_GtkUI,
|
|
&this_ui_type)) {
|
|
// TODO: Multiple UI support
|
|
_impl->ui = this_ui;
|
|
_impl->ui_type = this_ui_type;
|
|
break;
|
|
}
|
|
}
|
|
#else
|
|
// Look for Gtk native UI
|
|
LILV_FOREACH(uis, i, uis) {
|
|
const LilvUI* ui = lilv_uis_get(uis, i);
|
|
if (lilv_ui_is_a(ui, _world.ui_GtkUI)) {
|
|
_impl->ui = ui;
|
|
_impl->ui_type = _world.ui_GtkUI;
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// If Gtk UI is not available, try to find external UI
|
|
if (!_impl->ui) {
|
|
LILV_FOREACH(uis, i, uis) {
|
|
const LilvUI* ui = lilv_uis_get(uis, i);
|
|
if (lilv_ui_is_a(ui, _world.ui_externalkx)) {
|
|
_impl->ui = ui;
|
|
_impl->ui_type = _world.ui_external;
|
|
break;
|
|
}
|
|
if (lilv_ui_is_a(ui, _world.ui_external)) {
|
|
_impl->ui = ui;
|
|
_impl->ui_type = _world.ui_external;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
load_supported_properties(_property_descriptors);
|
|
allocate_atom_event_buffers();
|
|
latency_compute_run();
|
|
}
|
|
|
|
int
|
|
LV2Plugin::set_block_size (pframes_t nframes)
|
|
{
|
|
#ifdef HAVE_LV2_1_2_0
|
|
if (_impl->opts_iface) {
|
|
LV2_URID atom_Int = _uri_map.uri_to_id(LV2_ATOM__Int);
|
|
_impl->block_length = nframes;
|
|
LV2_Options_Option block_size_option = {
|
|
LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id ("http://lv2plug.in/ns/ext/buf-size#nominalBlockLength"),
|
|
sizeof(int32_t), atom_Int, (void*)&_impl->block_length
|
|
};
|
|
_impl->opts_iface->set (_impl->instance->lv2_handle, &block_size_option);
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::requires_fixed_sized_buffers () const
|
|
{
|
|
/* This controls if Ardour will split the plugin's run()
|
|
* on automation events in order to pass sample-accurate automation
|
|
* via standard control-ports.
|
|
*
|
|
* When returning true Ardour will *not* sub-divide the process-cycle.
|
|
* Automation events that happen between cycle-start and cycle-end will be
|
|
* ignored (ctrl values are interpolated to cycle-start).
|
|
* NB. Atom Sequences are still sample accurate.
|
|
*
|
|
* Note: This does not guarantee a fixed block-size.
|
|
* e.g The process cycle may be split when looping, also
|
|
* the period-size may change any time: see set_block_size()
|
|
*/
|
|
return _no_sample_accurate_ctrl;
|
|
}
|
|
|
|
LV2Plugin::~LV2Plugin ()
|
|
{
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("%1 destroy\n", name()));
|
|
|
|
deactivate();
|
|
cleanup();
|
|
|
|
lilv_instance_free(_impl->instance);
|
|
lilv_state_free(_impl->state);
|
|
lilv_node_free(_impl->name);
|
|
lilv_node_free(_impl->author);
|
|
#ifdef HAVE_LV2_1_2_0
|
|
free(_impl->options);
|
|
#endif
|
|
|
|
free(_features);
|
|
free(_make_path_feature.data);
|
|
free(_work_schedule_feature.data);
|
|
|
|
delete _to_ui;
|
|
delete _from_ui;
|
|
delete _worker;
|
|
|
|
if (_atom_ev_buffers) {
|
|
LV2_Evbuf** b = _atom_ev_buffers;
|
|
while (*b) {
|
|
free(*b);
|
|
b++;
|
|
}
|
|
free(_atom_ev_buffers);
|
|
}
|
|
|
|
delete [] _control_data;
|
|
delete [] _shadow_data;
|
|
delete [] _defaults;
|
|
delete [] _ev_buffers;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::is_external_ui() const
|
|
{
|
|
if (!_impl->ui) {
|
|
return false;
|
|
}
|
|
return lilv_ui_is_a(_impl->ui, _world.ui_external) || lilv_ui_is_a(_impl->ui, _world.ui_externalkx);
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::is_external_kx() const
|
|
{
|
|
if (!_impl->ui) {
|
|
return false;
|
|
}
|
|
return lilv_ui_is_a(_impl->ui, _world.ui_externalkx);
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::ui_is_resizable () const
|
|
{
|
|
const LilvNode* s = lilv_ui_get_uri(_impl->ui);
|
|
LilvNode* p = lilv_new_uri(_world.world, LV2_CORE__optionalFeature);
|
|
LilvNode* fs = lilv_new_uri(_world.world, LV2_UI__fixedSize);
|
|
LilvNode* nrs = lilv_new_uri(_world.world, LV2_UI__noUserResize);
|
|
|
|
LilvNodes* fs_matches = lilv_world_find_nodes(_world.world, s, p, fs);
|
|
LilvNodes* nrs_matches = lilv_world_find_nodes(_world.world, s, p, nrs);
|
|
|
|
lilv_nodes_free(nrs_matches);
|
|
lilv_nodes_free(fs_matches);
|
|
lilv_node_free(nrs);
|
|
lilv_node_free(fs);
|
|
lilv_node_free(p);
|
|
|
|
return !fs_matches && !nrs_matches;
|
|
}
|
|
|
|
string
|
|
LV2Plugin::unique_id() const
|
|
{
|
|
return lilv_node_as_uri(lilv_plugin_get_uri(_impl->plugin));
|
|
}
|
|
|
|
const char*
|
|
LV2Plugin::uri() const
|
|
{
|
|
return lilv_node_as_uri(lilv_plugin_get_uri(_impl->plugin));
|
|
}
|
|
|
|
const char*
|
|
LV2Plugin::label() const
|
|
{
|
|
return lilv_node_as_string(_impl->name);
|
|
}
|
|
|
|
const char*
|
|
LV2Plugin::name() const
|
|
{
|
|
return lilv_node_as_string(_impl->name);
|
|
}
|
|
|
|
const char*
|
|
LV2Plugin::maker() const
|
|
{
|
|
return _impl->author ? lilv_node_as_string (_impl->author) : "Unknown";
|
|
}
|
|
|
|
uint32_t
|
|
LV2Plugin::num_ports() const
|
|
{
|
|
return lilv_plugin_get_num_ports(_impl->plugin);
|
|
}
|
|
|
|
uint32_t
|
|
LV2Plugin::parameter_count() const
|
|
{
|
|
return lilv_plugin_get_num_ports(_impl->plugin);
|
|
}
|
|
|
|
float
|
|
LV2Plugin::default_value(uint32_t port)
|
|
{
|
|
return _defaults[port];
|
|
}
|
|
|
|
const char*
|
|
LV2Plugin::port_symbol(uint32_t index) const
|
|
{
|
|
const LilvPort* port = lilv_plugin_get_port_by_index(_impl->plugin, index);
|
|
if (!port) {
|
|
error << name() << ": Invalid port index " << index << endmsg;
|
|
}
|
|
|
|
const LilvNode* sym = lilv_port_get_symbol(_impl->plugin, port);
|
|
return lilv_node_as_string(sym);
|
|
}
|
|
|
|
uint32_t
|
|
LV2Plugin::port_index (const char* symbol) const
|
|
{
|
|
const map<string, uint32_t>::const_iterator i = _port_indices.find(symbol);
|
|
if (i != _port_indices.end()) {
|
|
return i->second;
|
|
} else {
|
|
warning << string_compose(_("LV2: Unknown port %1"), symbol) << endmsg;
|
|
return (uint32_t)-1;
|
|
}
|
|
}
|
|
|
|
void
|
|
LV2Plugin::set_parameter(uint32_t which, float val)
|
|
{
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose(
|
|
"%1 set parameter %2 to %3\n", name(), which, val));
|
|
|
|
if (which < lilv_plugin_get_num_ports(_impl->plugin)) {
|
|
if (get_parameter (which) == val) {
|
|
return;
|
|
}
|
|
|
|
_shadow_data[which] = val;
|
|
} else {
|
|
warning << string_compose(
|
|
_("Illegal parameter number used with plugin \"%1\". "
|
|
"This is a bug in either %2 or the LV2 plugin <%3>"),
|
|
name(), PROGRAM_NAME, unique_id()) << endmsg;
|
|
}
|
|
|
|
Plugin::set_parameter(which, val);
|
|
}
|
|
|
|
float
|
|
LV2Plugin::get_parameter(uint32_t which) const
|
|
{
|
|
if (parameter_is_input(which)) {
|
|
return (float)_shadow_data[which];
|
|
} else {
|
|
return (float)_control_data[which];
|
|
}
|
|
return 0.0f;
|
|
}
|
|
|
|
std::string
|
|
LV2Plugin::get_docs() const
|
|
{
|
|
LilvNodes* comments = lilv_plugin_get_value(_impl->plugin, _world.rdfs_comment);
|
|
if (comments) {
|
|
const std::string docs(lilv_node_as_string(lilv_nodes_get_first(comments)));
|
|
lilv_nodes_free(comments);
|
|
return docs;
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
std::string
|
|
LV2Plugin::get_parameter_docs(uint32_t which) const
|
|
{
|
|
LilvNodes* comments = lilv_port_get_value(
|
|
_impl->plugin,
|
|
lilv_plugin_get_port_by_index(_impl->plugin, which),
|
|
_world.rdfs_comment);
|
|
|
|
if (comments) {
|
|
const std::string docs(lilv_node_as_string(lilv_nodes_get_first(comments)));
|
|
lilv_nodes_free(comments);
|
|
return docs;
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
uint32_t
|
|
LV2Plugin::nth_parameter(uint32_t n, bool& ok) const
|
|
{
|
|
ok = false;
|
|
for (uint32_t c = 0, x = 0; x < lilv_plugin_get_num_ports(_impl->plugin); ++x) {
|
|
if (parameter_is_control(x)) {
|
|
if (c++ == n) {
|
|
ok = true;
|
|
return x;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const void*
|
|
LV2Plugin::extension_data(const char* uri) const
|
|
{
|
|
return lilv_instance_get_extension_data(_impl->instance, uri);
|
|
}
|
|
|
|
const void*
|
|
LV2Plugin::c_plugin()
|
|
{
|
|
return _impl->plugin;
|
|
}
|
|
|
|
const void*
|
|
LV2Plugin::c_ui()
|
|
{
|
|
return (const void*)_impl->ui;
|
|
}
|
|
|
|
const void*
|
|
LV2Plugin::c_ui_type()
|
|
{
|
|
return (const void*)_impl->ui_type;
|
|
}
|
|
|
|
/** Directory for all plugin state. */
|
|
const std::string
|
|
LV2Plugin::plugin_dir() const
|
|
{
|
|
if (!_plugin_state_dir.empty ()){
|
|
return Glib::build_filename(_plugin_state_dir, _insert_id.to_s());
|
|
} else {
|
|
return Glib::build_filename(_session.plugins_dir(), _insert_id.to_s());
|
|
}
|
|
}
|
|
|
|
/** Directory for files created by the plugin (except during save). */
|
|
const std::string
|
|
LV2Plugin::scratch_dir() const
|
|
{
|
|
return Glib::build_filename(plugin_dir(), "scratch");
|
|
}
|
|
|
|
/** Directory for snapshots of files in the scratch directory. */
|
|
const std::string
|
|
LV2Plugin::file_dir() const
|
|
{
|
|
return Glib::build_filename(plugin_dir(), "files");
|
|
}
|
|
|
|
/** Directory to save state snapshot version @c num into. */
|
|
const std::string
|
|
LV2Plugin::state_dir(unsigned num) const
|
|
{
|
|
return Glib::build_filename(plugin_dir(), string_compose("state%1", num));
|
|
}
|
|
|
|
/** Implementation of state:makePath for files created at instantiation time.
|
|
* Note this is not used for files created at save time (Lilv deals with that).
|
|
*/
|
|
char*
|
|
LV2Plugin::lv2_state_make_path(LV2_State_Make_Path_Handle handle,
|
|
const char* path)
|
|
{
|
|
LV2Plugin* me = (LV2Plugin*)handle;
|
|
if (me->_insert_id == PBD::ID("0")) {
|
|
warning << string_compose(
|
|
"File path \"%1\" requested but LV2 %2 has no insert ID",
|
|
path, me->name()) << endmsg;
|
|
return g_strdup(path);
|
|
}
|
|
|
|
const std::string abs_path = Glib::build_filename(me->scratch_dir(), path);
|
|
const std::string dirname = Glib::path_get_dirname(abs_path);
|
|
g_mkdir_with_parents(dirname.c_str(), 0744);
|
|
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("new file path %1 => %2\n",
|
|
path, abs_path));
|
|
|
|
return g_strndup(abs_path.c_str(), abs_path.length());
|
|
}
|
|
|
|
void
|
|
LV2Plugin::add_state(XMLNode* root) const
|
|
{
|
|
assert(_insert_id != PBD::ID("0"));
|
|
|
|
XMLNode* child;
|
|
char buf[32];
|
|
LocaleGuard lg(X_("C"));
|
|
|
|
for (uint32_t i = 0; i < parameter_count(); ++i) {
|
|
if (parameter_is_input(i) && parameter_is_control(i)) {
|
|
child = new XMLNode("Port");
|
|
child->add_property("symbol", port_symbol(i));
|
|
snprintf(buf, sizeof(buf), "%+f", _shadow_data[i]);
|
|
child->add_property("value", string(buf));
|
|
root->add_child_nocopy(*child);
|
|
}
|
|
}
|
|
|
|
if (!_plugin_state_dir.empty()) {
|
|
root->add_property("template-dir", _plugin_state_dir);
|
|
}
|
|
|
|
if (_has_state_interface) {
|
|
// Provisionally increment state version and create directory
|
|
const std::string new_dir = state_dir(++_state_version);
|
|
g_mkdir_with_parents(new_dir.c_str(), 0744);
|
|
|
|
LilvState* state = lilv_state_new_from_instance(
|
|
_impl->plugin,
|
|
_impl->instance,
|
|
_uri_map.urid_map(),
|
|
scratch_dir().c_str(),
|
|
file_dir().c_str(),
|
|
_session.externals_dir().c_str(),
|
|
new_dir.c_str(),
|
|
NULL,
|
|
const_cast<LV2Plugin*>(this),
|
|
0,
|
|
NULL);
|
|
|
|
if (!_plugin_state_dir.empty()
|
|
|| !_impl->state
|
|
|| !lilv_state_equals(state, _impl->state)) {
|
|
lilv_state_save(_world.world,
|
|
_uri_map.urid_map(),
|
|
_uri_map.urid_unmap(),
|
|
state,
|
|
NULL,
|
|
new_dir.c_str(),
|
|
"state.ttl");
|
|
|
|
if (_plugin_state_dir.empty()) {
|
|
// normal session save
|
|
lilv_state_free(_impl->state);
|
|
_impl->state = state;
|
|
} else {
|
|
// template save (dedicated state-dir)
|
|
lilv_state_free(state);
|
|
}
|
|
} else {
|
|
// State is identical, decrement version and nuke directory
|
|
lilv_state_free(state);
|
|
PBD::remove_directory(new_dir);
|
|
--_state_version;
|
|
}
|
|
|
|
root->add_property("state-dir", string_compose("state%1", _state_version));
|
|
}
|
|
}
|
|
|
|
// TODO: Once we can rely on lilv 0.16.0, lilv_world_get can replace this
|
|
static LilvNode*
|
|
get_value(LilvWorld* world, const LilvNode* subject, const LilvNode* predicate)
|
|
{
|
|
LilvNodes* vs = lilv_world_find_nodes(world, subject, predicate, NULL);
|
|
if (vs) {
|
|
LilvNode* node = lilv_node_duplicate(lilv_nodes_get_first(vs));
|
|
lilv_nodes_free(vs);
|
|
return node;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
LV2Plugin::find_presets()
|
|
{
|
|
LilvNode* lv2_appliesTo = lilv_new_uri(_world.world, LV2_CORE__appliesTo);
|
|
LilvNode* pset_Preset = lilv_new_uri(_world.world, LV2_PRESETS__Preset);
|
|
LilvNode* rdfs_label = lilv_new_uri(_world.world, LILV_NS_RDFS "label");
|
|
|
|
LilvNodes* presets = lilv_plugin_get_related(_impl->plugin, pset_Preset);
|
|
LILV_FOREACH(nodes, i, presets) {
|
|
const LilvNode* preset = lilv_nodes_get(presets, i);
|
|
lilv_world_load_resource(_world.world, preset);
|
|
LilvNode* name = get_value(_world.world, preset, rdfs_label);
|
|
bool userpreset = true; // TODO
|
|
if (name) {
|
|
_presets.insert(std::make_pair(lilv_node_as_string(preset),
|
|
Plugin::PresetRecord(
|
|
lilv_node_as_string(preset),
|
|
lilv_node_as_string(name),
|
|
userpreset)));
|
|
lilv_node_free(name);
|
|
} else {
|
|
warning << string_compose(
|
|
_("Plugin \"%1\" preset \"%2\" is missing a label\n"),
|
|
lilv_node_as_string(lilv_plugin_get_uri(_impl->plugin)),
|
|
lilv_node_as_string(preset)) << endmsg;
|
|
}
|
|
}
|
|
lilv_nodes_free(presets);
|
|
|
|
lilv_node_free(rdfs_label);
|
|
lilv_node_free(pset_Preset);
|
|
lilv_node_free(lv2_appliesTo);
|
|
}
|
|
|
|
static void
|
|
set_port_value(const char* port_symbol,
|
|
void* user_data,
|
|
const void* value,
|
|
uint32_t /*size*/,
|
|
uint32_t type)
|
|
{
|
|
LV2Plugin* self = (LV2Plugin*)user_data;
|
|
if (type != 0 && type != URIMap::instance().urids.atom_Float) {
|
|
return; // TODO: Support non-float ports
|
|
}
|
|
|
|
const uint32_t port_index = self->port_index(port_symbol);
|
|
if (port_index != (uint32_t)-1) {
|
|
self->set_parameter(port_index, *(const float*)value);
|
|
}
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::load_preset(PresetRecord r)
|
|
{
|
|
LilvWorld* world = _world.world;
|
|
LilvNode* pset = lilv_new_uri(world, r.uri.c_str());
|
|
LilvState* state = lilv_state_new_from_world(world, _uri_map.urid_map(), pset);
|
|
|
|
if (state) {
|
|
lilv_state_restore(state, _impl->instance, set_port_value, this, 0, NULL);
|
|
lilv_state_free(state);
|
|
Plugin::load_preset(r);
|
|
}
|
|
|
|
lilv_node_free(pset);
|
|
return state;
|
|
}
|
|
|
|
const void*
|
|
ARDOUR::lv2plugin_get_port_value(const char* port_symbol,
|
|
void* user_data,
|
|
uint32_t* size,
|
|
uint32_t* type)
|
|
{
|
|
LV2Plugin *plugin = (LV2Plugin *) user_data;
|
|
|
|
uint32_t index = plugin->port_index(port_symbol);
|
|
if (index != (uint32_t) -1) {
|
|
if (plugin->parameter_is_input(index) && plugin->parameter_is_control(index)) {
|
|
float *value;
|
|
*size = sizeof(float);
|
|
*type = plugin->_uri_map.uri_to_id(LV2_ATOM__Float);
|
|
value = &plugin->_shadow_data[index];
|
|
|
|
return value;
|
|
}
|
|
}
|
|
|
|
*size = *type = 0;
|
|
return NULL;
|
|
}
|
|
|
|
|
|
std::string
|
|
LV2Plugin::do_save_preset(string name)
|
|
{
|
|
LilvNode* plug_name = lilv_plugin_get_name(_impl->plugin);
|
|
const string prefix = legalize_for_uri(lilv_node_as_string(plug_name));
|
|
const string base_name = legalize_for_uri(name);
|
|
const string file_name = base_name + ".ttl";
|
|
const string bundle = Glib::build_filename(
|
|
Glib::get_home_dir(),
|
|
Glib::build_filename(".lv2", prefix + "_" + base_name + ".lv2"));
|
|
|
|
#ifdef HAVE_LILV_0_21_3
|
|
/* delete reference to old preset (if any) */
|
|
const PresetRecord* r = preset_by_label(name);
|
|
if (r) {
|
|
LilvNode* pset = lilv_new_uri (_world.world, r->uri.c_str());
|
|
if (pset) {
|
|
lilv_world_unload_resource (_world.world, pset);
|
|
lilv_node_free(pset);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
LilvState* state = lilv_state_new_from_instance(
|
|
_impl->plugin,
|
|
_impl->instance,
|
|
_uri_map.urid_map(),
|
|
scratch_dir().c_str(), // file_dir
|
|
bundle.c_str(), // copy_dir
|
|
bundle.c_str(), // link_dir
|
|
bundle.c_str(), // save_dir
|
|
lv2plugin_get_port_value, // get_value
|
|
(void*)this, // user_data
|
|
LV2_STATE_IS_POD|LV2_STATE_IS_PORTABLE, // flags
|
|
_features // features
|
|
);
|
|
|
|
lilv_state_set_label(state, name.c_str());
|
|
lilv_state_save(
|
|
_world.world, // world
|
|
_uri_map.urid_map(), // map
|
|
_uri_map.urid_unmap(), // unmap
|
|
state, // state
|
|
NULL, // uri (NULL = use file URI)
|
|
bundle.c_str(), // dir
|
|
file_name.c_str() // filename
|
|
);
|
|
|
|
lilv_state_free(state);
|
|
|
|
std::string uri = Glib::filename_to_uri(Glib::build_filename(bundle, file_name));
|
|
LilvNode *node_bundle = lilv_new_uri(_world.world, Glib::filename_to_uri(Glib::build_filename(bundle, "/")).c_str());
|
|
LilvNode *node_preset = lilv_new_uri(_world.world, uri.c_str());
|
|
#ifdef HAVE_LILV_0_21_3
|
|
lilv_world_unload_resource(_world.world, node_preset);
|
|
lilv_world_unload_bundle(_world.world, node_bundle);
|
|
#endif
|
|
lilv_world_load_bundle(_world.world, node_bundle);
|
|
lilv_world_load_resource(_world.world, node_preset);
|
|
lilv_node_free(node_bundle);
|
|
lilv_node_free(node_preset);
|
|
lilv_node_free(plug_name);
|
|
return uri;
|
|
}
|
|
|
|
void
|
|
LV2Plugin::do_remove_preset(string name)
|
|
{
|
|
#ifdef HAVE_LILV_0_21_3
|
|
/* Look up preset record by label (FIXME: ick, label as ID) */
|
|
const PresetRecord* r = preset_by_label(name);
|
|
if (!r) {
|
|
return;
|
|
}
|
|
|
|
/* Load a LilvState for the preset. */
|
|
LilvWorld* world = _world.world;
|
|
LilvNode* pset = lilv_new_uri(world, r->uri.c_str());
|
|
LilvState* state = lilv_state_new_from_world(world, _uri_map.urid_map(), pset);
|
|
if (!state) {
|
|
lilv_node_free(pset);
|
|
return;
|
|
}
|
|
|
|
/* Unload preset from world. */
|
|
lilv_world_unload_resource(world, pset);
|
|
|
|
/* Delete it from the file system. This will remove the preset file and the entry
|
|
from the manifest. If this results in an empty manifest (i.e. the
|
|
preset is the only thing in the bundle), then the bundle is removed. */
|
|
lilv_state_delete(world, state);
|
|
|
|
lilv_state_free(state);
|
|
lilv_node_free(pset);
|
|
#endif
|
|
/* Without lilv_state_delete(), we could delete the preset file, but this
|
|
would leave a broken bundle/manifest around, so the preset would still
|
|
be visible, but broken. Naively deleting a bundle is too dangerous, so
|
|
we simply do not support preset deletion with older Lilv */
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::has_editor() const
|
|
{
|
|
return _impl->ui != NULL;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::has_message_output() const
|
|
{
|
|
for (uint32_t i = 0; i < num_ports(); ++i) {
|
|
if ((_port_flags[i] & PORT_SEQUENCE) &&
|
|
(_port_flags[i] & PORT_OUTPUT)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::write_to(RingBuffer<uint8_t>* dest,
|
|
uint32_t index,
|
|
uint32_t protocol,
|
|
uint32_t size,
|
|
const uint8_t* body)
|
|
{
|
|
const uint32_t buf_size = sizeof(UIMessage) + size;
|
|
vector<uint8_t> buf(buf_size);
|
|
|
|
UIMessage* msg = (UIMessage*)&buf[0];
|
|
msg->index = index;
|
|
msg->protocol = protocol;
|
|
msg->size = size;
|
|
memcpy(msg + 1, body, size);
|
|
|
|
return (dest->write(&buf[0], buf_size) == buf_size);
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::write_from_ui(uint32_t index,
|
|
uint32_t protocol,
|
|
uint32_t size,
|
|
const uint8_t* body)
|
|
{
|
|
if (!_from_ui) {
|
|
size_t rbs = _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS;
|
|
/* buffer data communication from plugin UI to plugin instance.
|
|
* this buffer needs to potentially hold
|
|
* (port's minimumSize) * (audio-periods) / (UI-periods)
|
|
* bytes.
|
|
*
|
|
* e.g 48kSPS / 128fpp -> audio-periods = 375 Hz
|
|
* ui-periods = 25 Hz (SuperRapidScreenUpdate)
|
|
* default minimumSize = 32K (see LV2Plugin::allocate_atom_event_buffers()
|
|
*
|
|
* it is NOT safe to overflow (msg.size will be misinterpreted)
|
|
*/
|
|
uint32_t bufsiz = 32768;
|
|
if (_atom_ev_buffers && _atom_ev_buffers[0]) {
|
|
bufsiz = lv2_evbuf_get_capacity(_atom_ev_buffers[0]);
|
|
}
|
|
rbs = max((size_t) bufsiz * 8, rbs);
|
|
_from_ui = new RingBuffer<uint8_t>(rbs);
|
|
}
|
|
|
|
if (!write_to(_from_ui, index, protocol, size, body)) {
|
|
error << "Error writing from UI to plugin" << endmsg;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::write_to_ui(uint32_t index,
|
|
uint32_t protocol,
|
|
uint32_t size,
|
|
const uint8_t* body)
|
|
{
|
|
if (!write_to(_to_ui, index, protocol, size, body)) {
|
|
error << "Error writing from plugin to UI" << endmsg;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
forge_variant(LV2_Atom_Forge* forge, const Variant& value)
|
|
{
|
|
switch (value.type()) {
|
|
case Variant::NOTHING:
|
|
break;
|
|
case Variant::BEATS:
|
|
// No atom type for this, just forge a double
|
|
lv2_atom_forge_double(forge, value.get_beats().to_double());
|
|
break;
|
|
case Variant::BOOL:
|
|
lv2_atom_forge_bool(forge, value.get_bool());
|
|
break;
|
|
case Variant::DOUBLE:
|
|
lv2_atom_forge_double(forge, value.get_double());
|
|
break;
|
|
case Variant::FLOAT:
|
|
lv2_atom_forge_float(forge, value.get_float());
|
|
break;
|
|
case Variant::INT:
|
|
lv2_atom_forge_int(forge, value.get_int());
|
|
break;
|
|
case Variant::LONG:
|
|
lv2_atom_forge_long(forge, value.get_long());
|
|
break;
|
|
case Variant::PATH:
|
|
lv2_atom_forge_path(
|
|
forge, value.get_path().c_str(), value.get_path().size());
|
|
break;
|
|
case Variant::STRING:
|
|
lv2_atom_forge_string(
|
|
forge, value.get_string().c_str(), value.get_string().size());
|
|
break;
|
|
case Variant::URI:
|
|
lv2_atom_forge_uri(
|
|
forge, value.get_uri().c_str(), value.get_uri().size());
|
|
break;
|
|
}
|
|
}
|
|
|
|
/** Get a variant type from a URI, return false iff no match found. */
|
|
static bool
|
|
uri_to_variant_type(const std::string& uri, Variant::Type& type)
|
|
{
|
|
if (uri == LV2_ATOM__Bool) {
|
|
type = Variant::BOOL;
|
|
} else if (uri == LV2_ATOM__Double) {
|
|
type = Variant::DOUBLE;
|
|
} else if (uri == LV2_ATOM__Float) {
|
|
type = Variant::FLOAT;
|
|
} else if (uri == LV2_ATOM__Int) {
|
|
type = Variant::INT;
|
|
} else if (uri == LV2_ATOM__Long) {
|
|
type = Variant::LONG;
|
|
} else if (uri == LV2_ATOM__Path) {
|
|
type = Variant::PATH;
|
|
} else if (uri == LV2_ATOM__String) {
|
|
type = Variant::STRING;
|
|
} else if (uri == LV2_ATOM__URI) {
|
|
type = Variant::URI;
|
|
} else {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
LV2Plugin::set_property(uint32_t key, const Variant& value)
|
|
{
|
|
if (_patch_port_in_index == (uint32_t)-1) {
|
|
error << "LV2: set_property called with unset patch_port_in_index" << endmsg;
|
|
return;
|
|
} else if (value.type() == Variant::NOTHING) {
|
|
error << "LV2: set_property called with void value" << endmsg;
|
|
return;
|
|
}
|
|
|
|
// Set up forge to write to temporary buffer on the stack
|
|
LV2_Atom_Forge* forge = &_impl->ui_forge;
|
|
LV2_Atom_Forge_Frame frame;
|
|
uint8_t buf[PATH_MAX]; // Ought to be enough for anyone...
|
|
|
|
lv2_atom_forge_set_buffer(forge, buf, sizeof(buf));
|
|
|
|
// Serialize patch:Set message to set property
|
|
#ifdef HAVE_LV2_1_10_0
|
|
lv2_atom_forge_object(forge, &frame, 1, _uri_map.urids.patch_Set);
|
|
lv2_atom_forge_key(forge, _uri_map.urids.patch_property);
|
|
lv2_atom_forge_urid(forge, key);
|
|
lv2_atom_forge_key(forge, _uri_map.urids.patch_value);
|
|
#else
|
|
lv2_atom_forge_blank(forge, &frame, 1, _uri_map.urids.patch_Set);
|
|
lv2_atom_forge_property_head(forge, _uri_map.urids.patch_property, 0);
|
|
lv2_atom_forge_urid(forge, key);
|
|
lv2_atom_forge_property_head(forge, _uri_map.urids.patch_value, 0);
|
|
#endif
|
|
|
|
forge_variant(forge, value);
|
|
|
|
// Write message to UI=>Plugin ring
|
|
const LV2_Atom* const atom = (const LV2_Atom*)buf;
|
|
write_from_ui(_patch_port_in_index,
|
|
_uri_map.urids.atom_eventTransfer,
|
|
lv2_atom_total_size(atom),
|
|
(const uint8_t*)atom);
|
|
}
|
|
|
|
const ParameterDescriptor&
|
|
LV2Plugin::get_property_descriptor(uint32_t id) const
|
|
{
|
|
PropertyDescriptors::const_iterator p = _property_descriptors.find(id);
|
|
if (p != _property_descriptors.end()) {
|
|
return p->second;
|
|
}
|
|
return Plugin::get_property_descriptor(id);
|
|
}
|
|
|
|
static void
|
|
load_parameter_descriptor_units(LilvWorld* lworld, ParameterDescriptor& desc, const LilvNodes* units)
|
|
{
|
|
if (lilv_nodes_contains(units, _world.units_midiNote)) {
|
|
desc.unit = ParameterDescriptor::MIDI_NOTE;
|
|
} else if (lilv_nodes_contains(units, _world.units_db)) {
|
|
desc.unit = ParameterDescriptor::DB;
|
|
} else if (lilv_nodes_contains(units, _world.units_hz)) {
|
|
desc.unit = ParameterDescriptor::HZ;
|
|
}
|
|
if (lilv_nodes_size(units) > 0) {
|
|
const LilvNode* unit = lilv_nodes_get_first(units);
|
|
LilvNode* render = get_value(lworld, unit, _world.units_render);
|
|
if (render) {
|
|
desc.print_fmt = lilv_node_as_string(render);
|
|
lilv_node_free(render);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
load_parameter_descriptor(LV2World& world,
|
|
ParameterDescriptor& desc,
|
|
Variant::Type datatype,
|
|
const LilvNode* subject)
|
|
{
|
|
LilvWorld* lworld = _world.world;
|
|
LilvNode* label = get_value(lworld, subject, _world.rdfs_label);
|
|
LilvNode* def = get_value(lworld, subject, _world.lv2_default);
|
|
LilvNode* minimum = get_value(lworld, subject, _world.lv2_minimum);
|
|
LilvNode* maximum = get_value(lworld, subject, _world.lv2_maximum);
|
|
LilvNodes* units = lilv_world_find_nodes(lworld, subject, _world.units_unit, NULL);
|
|
if (label) {
|
|
desc.label = lilv_node_as_string(label);
|
|
}
|
|
if (def && lilv_node_is_float(def)) {
|
|
desc.normal = lilv_node_as_float(def);
|
|
}
|
|
if (minimum && lilv_node_is_float(minimum)) {
|
|
desc.lower = lilv_node_as_float(minimum);
|
|
}
|
|
if (maximum && lilv_node_is_float(maximum)) {
|
|
desc.upper = lilv_node_as_float(maximum);
|
|
}
|
|
load_parameter_descriptor_units(lworld, desc, units);
|
|
desc.datatype = datatype;
|
|
desc.toggled |= datatype == Variant::BOOL;
|
|
desc.integer_step |= datatype == Variant::INT || datatype == Variant::LONG;
|
|
desc.update_steps();
|
|
|
|
lilv_nodes_free(units);
|
|
lilv_node_free(label);
|
|
lilv_node_free(def);
|
|
lilv_node_free(minimum);
|
|
lilv_node_free(maximum);
|
|
}
|
|
|
|
void
|
|
LV2Plugin::load_supported_properties(PropertyDescriptors& descs)
|
|
{
|
|
LilvWorld* lworld = _world.world;
|
|
const LilvNode* subject = lilv_plugin_get_uri(_impl->plugin);
|
|
LilvNodes* properties = lilv_world_find_nodes(
|
|
lworld, subject, _world.patch_writable, NULL);
|
|
LILV_FOREACH(nodes, p, properties) {
|
|
// Get label and range
|
|
const LilvNode* prop = lilv_nodes_get(properties, p);
|
|
LilvNode* range = get_value(lworld, prop, _world.rdfs_range);
|
|
if (!range) {
|
|
warning << string_compose(_("LV2: property <%1> has no range datatype, ignoring"),
|
|
lilv_node_as_uri(prop)) << endmsg;
|
|
continue;
|
|
}
|
|
|
|
// Convert range to variant type (TODO: support for multiple range types)
|
|
Variant::Type datatype;
|
|
if (!uri_to_variant_type(lilv_node_as_uri(range), datatype)) {
|
|
error << string_compose(_("LV2: property <%1> has unsupported datatype <%1>"),
|
|
lilv_node_as_uri(prop), lilv_node_as_uri(range)) << endmsg;
|
|
continue;
|
|
}
|
|
|
|
// Add description to result
|
|
ParameterDescriptor desc;
|
|
desc.key = _uri_map.uri_to_id(lilv_node_as_uri(prop));
|
|
desc.datatype = datatype;
|
|
load_parameter_descriptor(_world, desc, datatype, prop);
|
|
descs.insert(std::make_pair(desc.key, desc));
|
|
|
|
lilv_node_free(range);
|
|
}
|
|
lilv_nodes_free(properties);
|
|
}
|
|
|
|
void
|
|
LV2Plugin::announce_property_values()
|
|
{
|
|
if (_patch_port_in_index == (uint32_t)-1) {
|
|
return;
|
|
}
|
|
|
|
// Set up forge to write to temporary buffer on the stack
|
|
LV2_Atom_Forge* forge = &_impl->ui_forge;
|
|
LV2_Atom_Forge_Frame frame;
|
|
uint8_t buf[PATH_MAX]; // Ought to be enough for anyone...
|
|
|
|
lv2_atom_forge_set_buffer(forge, buf, sizeof(buf));
|
|
|
|
// Serialize patch:Get message with no subject (implicitly plugin instance)
|
|
#ifdef HAVE_LV2_1_10_0
|
|
lv2_atom_forge_object(forge, &frame, 1, _uri_map.urids.patch_Get);
|
|
#else
|
|
lv2_atom_forge_blank(forge, &frame, 1, _uri_map.urids.patch_Get);
|
|
#endif
|
|
|
|
// Write message to UI=>Plugin ring
|
|
const LV2_Atom* const atom = (const LV2_Atom*)buf;
|
|
write_from_ui(_patch_port_in_index,
|
|
_uri_map.urids.atom_eventTransfer,
|
|
lv2_atom_total_size(atom),
|
|
(const uint8_t*)atom);
|
|
}
|
|
|
|
void
|
|
LV2Plugin::enable_ui_emission()
|
|
{
|
|
if (!_to_ui) {
|
|
/* see note in LV2Plugin::write_from_ui() */
|
|
uint32_t bufsiz = 32768;
|
|
if (_atom_ev_buffers && _atom_ev_buffers[0]) {
|
|
bufsiz = lv2_evbuf_get_capacity(_atom_ev_buffers[0]);
|
|
}
|
|
size_t rbs = _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS;
|
|
rbs = max((size_t) bufsiz * 8, rbs);
|
|
_to_ui = new RingBuffer<uint8_t>(rbs);
|
|
}
|
|
}
|
|
|
|
void
|
|
LV2Plugin::emit_to_ui(void* controller, UIMessageSink sink)
|
|
{
|
|
if (!_to_ui) {
|
|
return;
|
|
}
|
|
|
|
uint32_t read_space = _to_ui->read_space();
|
|
while (read_space > sizeof(UIMessage)) {
|
|
UIMessage msg;
|
|
if (_to_ui->read((uint8_t*)&msg, sizeof(msg)) != sizeof(msg)) {
|
|
error << "Error reading from Plugin=>UI RingBuffer" << endmsg;
|
|
break;
|
|
}
|
|
vector<uint8_t> body(msg.size);
|
|
if (_to_ui->read(&body[0], msg.size) != msg.size) {
|
|
error << "Error reading from Plugin=>UI RingBuffer" << endmsg;
|
|
break;
|
|
}
|
|
|
|
sink(controller, msg.index, msg.size, msg.protocol, &body[0]);
|
|
|
|
read_space -= sizeof(msg) + msg.size;
|
|
}
|
|
}
|
|
|
|
int
|
|
LV2Plugin::work(uint32_t size, const void* data)
|
|
{
|
|
return _impl->work_iface->work(
|
|
_impl->instance->lv2_handle, work_respond, this, size, data);
|
|
}
|
|
|
|
int
|
|
LV2Plugin::work_response(uint32_t size, const void* data)
|
|
{
|
|
return _impl->work_iface->work_response(
|
|
_impl->instance->lv2_handle, size, data);
|
|
}
|
|
|
|
void
|
|
LV2Plugin::set_insert_id(PBD::ID id)
|
|
{
|
|
if (_insert_id == "0") {
|
|
_insert_id = id;
|
|
} else if (_insert_id != id) {
|
|
lilv_state_free(_impl->state);
|
|
_impl->state = NULL;
|
|
_insert_id = id;
|
|
}
|
|
}
|
|
|
|
void
|
|
LV2Plugin::set_state_dir (const std::string& d)
|
|
{
|
|
_plugin_state_dir = d;
|
|
}
|
|
|
|
int
|
|
LV2Plugin::set_state(const XMLNode& node, int version)
|
|
{
|
|
XMLNodeList nodes;
|
|
const XMLProperty* prop;
|
|
XMLNodeConstIterator iter;
|
|
XMLNode* child;
|
|
const char* sym;
|
|
const char* value;
|
|
uint32_t port_id;
|
|
LocaleGuard lg(X_("C"));
|
|
|
|
if (node.name() != state_node_name()) {
|
|
error << _("Bad node sent to LV2Plugin::set_state") << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
#ifndef NO_PLUGIN_STATE
|
|
|
|
if (version < 3000) {
|
|
nodes = node.children("port");
|
|
} else {
|
|
nodes = node.children("Port");
|
|
}
|
|
|
|
for (iter = nodes.begin(); iter != nodes.end(); ++iter) {
|
|
|
|
child = *iter;
|
|
|
|
if ((prop = child->property("symbol")) != 0) {
|
|
sym = prop->value().c_str();
|
|
} else {
|
|
warning << _("LV2: port has no symbol, ignored") << endmsg;
|
|
continue;
|
|
}
|
|
|
|
map<string, uint32_t>::iterator i = _port_indices.find(sym);
|
|
|
|
if (i != _port_indices.end()) {
|
|
port_id = i->second;
|
|
} else {
|
|
warning << _("LV2: port has unknown index, ignored") << endmsg;
|
|
continue;
|
|
}
|
|
|
|
if ((prop = child->property("value")) != 0) {
|
|
value = prop->value().c_str();
|
|
} else {
|
|
warning << _("LV2: port has no value, ignored") << endmsg;
|
|
continue;
|
|
}
|
|
|
|
set_parameter(port_id, atof(value));
|
|
}
|
|
|
|
if ((prop = node.property("template-dir")) != 0) {
|
|
set_state_dir (prop->value ());
|
|
}
|
|
|
|
_state_version = 0;
|
|
if ((prop = node.property("state-dir")) != 0) {
|
|
if (sscanf(prop->value().c_str(), "state%u", &_state_version) != 1) {
|
|
error << string_compose(
|
|
"LV2: failed to parse state version from \"%1\"",
|
|
prop->value()) << endmsg;
|
|
}
|
|
|
|
std::string state_file = Glib::build_filename(
|
|
plugin_dir(),
|
|
Glib::build_filename(prop->value(), "state.ttl"));
|
|
|
|
LilvState* state = lilv_state_new_from_file(
|
|
_world.world, _uri_map.urid_map(), NULL, state_file.c_str());
|
|
|
|
lilv_state_restore(state, _impl->instance, NULL, NULL, 0, NULL);
|
|
lilv_state_free(_impl->state);
|
|
_impl->state = state;
|
|
}
|
|
|
|
if (!_plugin_state_dir.empty ()) {
|
|
// force save with session, next time (increment counter)
|
|
lilv_state_free (_impl->state);
|
|
_impl->state = NULL;
|
|
set_state_dir ("");
|
|
}
|
|
|
|
latency_compute_run();
|
|
#endif
|
|
|
|
return Plugin::set_state(node, version);
|
|
}
|
|
|
|
int
|
|
LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) const
|
|
{
|
|
const LilvPort* port = lilv_plugin_get_port_by_index(_impl->plugin, which);
|
|
if (!port) {
|
|
error << string_compose("LV2: get descriptor of non-existent port %1", which)
|
|
<< endmsg;
|
|
return 1;
|
|
}
|
|
|
|
LilvNodes* portunits;
|
|
LilvNode *def, *min, *max;
|
|
lilv_port_get_range(_impl->plugin, port, &def, &min, &max);
|
|
portunits = lilv_port_get_value(_impl->plugin, port, _world.units_unit);
|
|
|
|
// TODO: Once we can rely on lilv 0.18.0 being present,
|
|
// load_parameter_descriptor() can be used for ports as well
|
|
desc.integer_step = lilv_port_has_property(_impl->plugin, port, _world.lv2_integer);
|
|
desc.toggled = lilv_port_has_property(_impl->plugin, port, _world.lv2_toggled);
|
|
desc.logarithmic = lilv_port_has_property(_impl->plugin, port, _world.ext_logarithmic);
|
|
desc.sr_dependent = lilv_port_has_property(_impl->plugin, port, _world.lv2_sampleRate);
|
|
desc.label = lilv_node_as_string(lilv_port_get_name(_impl->plugin, port));
|
|
desc.normal = def ? lilv_node_as_float(def) : 0.0f;
|
|
desc.lower = min ? lilv_node_as_float(min) : 0.0f;
|
|
desc.upper = max ? lilv_node_as_float(max) : 1.0f;
|
|
load_parameter_descriptor_units(_world.world, desc, portunits);
|
|
|
|
if (desc.sr_dependent) {
|
|
desc.lower *= _session.frame_rate ();
|
|
desc.upper *= _session.frame_rate ();
|
|
}
|
|
|
|
desc.min_unbound = false; // TODO: LV2 extension required
|
|
desc.max_unbound = false; // TODO: LV2 extension required
|
|
|
|
desc.enumeration = lilv_port_has_property(_impl->plugin, port, _world.lv2_enumeration);
|
|
desc.scale_points = get_scale_points(which);
|
|
|
|
desc.update_steps();
|
|
|
|
lilv_node_free(def);
|
|
lilv_node_free(min);
|
|
lilv_node_free(max);
|
|
lilv_nodes_free(portunits);
|
|
|
|
return 0;
|
|
}
|
|
|
|
string
|
|
LV2Plugin::describe_parameter(Evoral::Parameter which)
|
|
{
|
|
if (( which.type() == PluginAutomation) && ( which.id() < parameter_count()) ) {
|
|
|
|
if (lilv_port_has_property(_impl->plugin,
|
|
lilv_plugin_get_port_by_index(_impl->plugin, which.id()), _world.ext_notOnGUI)) {
|
|
return X_("hidden");
|
|
}
|
|
|
|
if (lilv_port_has_property(_impl->plugin,
|
|
lilv_plugin_get_port_by_index(_impl->plugin, which.id()), _world.lv2_freewheeling)) {
|
|
return X_("hidden");
|
|
}
|
|
|
|
if (lilv_port_has_property(_impl->plugin,
|
|
lilv_plugin_get_port_by_index(_impl->plugin, which.id()), _world.lv2_reportsLatency)) {
|
|
return X_("latency");
|
|
}
|
|
|
|
LilvNode* name = lilv_port_get_name(_impl->plugin,
|
|
lilv_plugin_get_port_by_index(_impl->plugin, which.id()));
|
|
string ret(lilv_node_as_string(name));
|
|
lilv_node_free(name);
|
|
return ret;
|
|
} else {
|
|
return "??";
|
|
}
|
|
}
|
|
|
|
framecnt_t
|
|
LV2Plugin::signal_latency() const
|
|
{
|
|
if (_latency_control_port) {
|
|
return (framecnt_t)floor(*_latency_control_port);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
set<Evoral::Parameter>
|
|
LV2Plugin::automatable() const
|
|
{
|
|
set<Evoral::Parameter> ret;
|
|
|
|
for (uint32_t i = 0; i < parameter_count(); ++i) {
|
|
if (parameter_is_input(i) && parameter_is_control(i)) {
|
|
ret.insert(ret.end(), Evoral::Parameter(PluginAutomation, 0, i));
|
|
}
|
|
}
|
|
|
|
for (PropertyDescriptors::const_iterator p = _property_descriptors.begin();
|
|
p != _property_descriptors.end();
|
|
++p) {
|
|
ret.insert(ret.end(), Evoral::Parameter(PluginPropertyAutomation, 0, p->first));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
LV2Plugin::activate()
|
|
{
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("%1 activate\n", name()));
|
|
|
|
if (!_was_activated) {
|
|
lilv_instance_activate(_impl->instance);
|
|
_was_activated = true;
|
|
}
|
|
}
|
|
|
|
void
|
|
LV2Plugin::deactivate()
|
|
{
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("%1 deactivate\n", name()));
|
|
|
|
if (_was_activated) {
|
|
lilv_instance_deactivate(_impl->instance);
|
|
_was_activated = false;
|
|
}
|
|
}
|
|
|
|
void
|
|
LV2Plugin::cleanup()
|
|
{
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("%1 cleanup\n", name()));
|
|
|
|
deactivate();
|
|
lilv_instance_free(_impl->instance);
|
|
_impl->instance = NULL;
|
|
}
|
|
|
|
void
|
|
LV2Plugin::allocate_atom_event_buffers()
|
|
{
|
|
/* reserve local scratch buffers for ATOM event-queues */
|
|
const LilvPlugin* p = _impl->plugin;
|
|
|
|
/* count non-MIDI atom event-ports
|
|
* TODO: nicely ask drobilla to make a lilv_ call for that
|
|
*/
|
|
int count_atom_out = 0;
|
|
int count_atom_in = 0;
|
|
int minimumSize = 32768; // TODO use a per-port minimum-size
|
|
for (uint32_t i = 0; i < lilv_plugin_get_num_ports(p); ++i) {
|
|
const LilvPort* port = lilv_plugin_get_port_by_index(p, i);
|
|
if (lilv_port_is_a(p, port, _world.atom_AtomPort)) {
|
|
LilvNodes* buffer_types = lilv_port_get_value(
|
|
p, port, _world.atom_bufferType);
|
|
LilvNodes* atom_supports = lilv_port_get_value(
|
|
p, port, _world.atom_supports);
|
|
|
|
if (!lilv_nodes_contains(buffer_types, _world.atom_Sequence)
|
|
|| !lilv_nodes_contains(atom_supports, _world.midi_MidiEvent)) {
|
|
if (lilv_port_is_a(p, port, _world.lv2_InputPort)) {
|
|
count_atom_in++;
|
|
}
|
|
if (lilv_port_is_a(p, port, _world.lv2_OutputPort)) {
|
|
count_atom_out++;
|
|
}
|
|
LilvNodes* min_size_v = lilv_port_get_value(_impl->plugin, port, _world.rsz_minimumSize);
|
|
LilvNode* min_size = min_size_v ? lilv_nodes_get_first(min_size_v) : NULL;
|
|
if (min_size && lilv_node_is_int(min_size)) {
|
|
minimumSize = std::max(minimumSize, lilv_node_as_int(min_size));
|
|
}
|
|
lilv_nodes_free(min_size_v);
|
|
}
|
|
lilv_nodes_free(buffer_types);
|
|
lilv_nodes_free(atom_supports);
|
|
}
|
|
}
|
|
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("%1 need buffers for %2 atom-in and %3 atom-out event-ports\n",
|
|
name(), count_atom_in, count_atom_out));
|
|
|
|
const int total_atom_buffers = (count_atom_in + count_atom_out);
|
|
if (_atom_ev_buffers || total_atom_buffers == 0) {
|
|
return;
|
|
}
|
|
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("allocate %1 atom_ev_buffers of %d bytes\n", total_atom_buffers, minimumSize));
|
|
_atom_ev_buffers = (LV2_Evbuf**) malloc((total_atom_buffers + 1) * sizeof(LV2_Evbuf*));
|
|
for (int i = 0; i < total_atom_buffers; ++i ) {
|
|
_atom_ev_buffers[i] = lv2_evbuf_new(minimumSize, LV2_EVBUF_ATOM,
|
|
_uri_map.urids.atom_Chunk, _uri_map.urids.atom_Sequence);
|
|
}
|
|
_atom_ev_buffers[total_atom_buffers] = 0;
|
|
return;
|
|
}
|
|
|
|
/** Write an ardour position/time/tempo/meter as an LV2 event.
|
|
* @return true on success.
|
|
*/
|
|
static bool
|
|
write_position(LV2_Atom_Forge* forge,
|
|
LV2_Evbuf* buf,
|
|
const TempoMetric& t,
|
|
Timecode::BBT_Time& bbt,
|
|
double speed,
|
|
framepos_t position,
|
|
framecnt_t offset)
|
|
{
|
|
const URIMap::URIDs& urids = URIMap::instance().urids;
|
|
|
|
uint8_t pos_buf[256];
|
|
lv2_atom_forge_set_buffer(forge, pos_buf, sizeof(pos_buf));
|
|
LV2_Atom_Forge_Frame frame;
|
|
#ifdef HAVE_LV2_1_10_0
|
|
lv2_atom_forge_object(forge, &frame, 1, urids.time_Position);
|
|
lv2_atom_forge_key(forge, urids.time_frame);
|
|
lv2_atom_forge_long(forge, position);
|
|
lv2_atom_forge_key(forge, urids.time_speed);
|
|
lv2_atom_forge_float(forge, speed);
|
|
lv2_atom_forge_key(forge, urids.time_barBeat);
|
|
lv2_atom_forge_float(forge, bbt.beats - 1 +
|
|
(bbt.ticks / Timecode::BBT_Time::ticks_per_beat));
|
|
lv2_atom_forge_key(forge, urids.time_bar);
|
|
lv2_atom_forge_long(forge, bbt.bars - 1);
|
|
lv2_atom_forge_key(forge, urids.time_beatUnit);
|
|
lv2_atom_forge_int(forge, t.meter().note_divisor());
|
|
lv2_atom_forge_key(forge, urids.time_beatsPerBar);
|
|
lv2_atom_forge_float(forge, t.meter().divisions_per_bar());
|
|
lv2_atom_forge_key(forge, urids.time_beatsPerMinute);
|
|
lv2_atom_forge_float(forge, t.tempo().beats_per_minute());
|
|
#else
|
|
lv2_atom_forge_blank(forge, &frame, 1, urids.time_Position);
|
|
lv2_atom_forge_property_head(forge, urids.time_frame, 0);
|
|
lv2_atom_forge_long(forge, position);
|
|
lv2_atom_forge_property_head(forge, urids.time_speed, 0);
|
|
lv2_atom_forge_float(forge, speed);
|
|
lv2_atom_forge_property_head(forge, urids.time_barBeat, 0);
|
|
lv2_atom_forge_float(forge, bbt.beats - 1 +
|
|
(bbt.ticks / Timecode::BBT_Time::ticks_per_beat));
|
|
lv2_atom_forge_property_head(forge, urids.time_bar, 0);
|
|
lv2_atom_forge_long(forge, bbt.bars - 1);
|
|
lv2_atom_forge_property_head(forge, urids.time_beatUnit, 0);
|
|
lv2_atom_forge_int(forge, t.meter().note_divisor());
|
|
lv2_atom_forge_property_head(forge, urids.time_beatsPerBar, 0);
|
|
lv2_atom_forge_float(forge, t.meter().divisions_per_bar());
|
|
lv2_atom_forge_property_head(forge, urids.time_beatsPerMinute, 0);
|
|
lv2_atom_forge_float(forge, t.tempo().beats_per_minute());
|
|
#endif
|
|
|
|
LV2_Evbuf_Iterator end = lv2_evbuf_end(buf);
|
|
const LV2_Atom* const atom = (const LV2_Atom*)pos_buf;
|
|
return lv2_evbuf_write(&end, offset, 0, atom->type, atom->size,
|
|
(const uint8_t*)(atom + 1));
|
|
}
|
|
|
|
int
|
|
LV2Plugin::connect_and_run(BufferSet& bufs,
|
|
ChanMapping in_map, ChanMapping out_map,
|
|
pframes_t nframes, framecnt_t offset)
|
|
{
|
|
DEBUG_TRACE(DEBUG::LV2, string_compose("%1 run %2 offset %3\n", name(), nframes, offset));
|
|
Plugin::connect_and_run(bufs, in_map, out_map, nframes, offset);
|
|
|
|
cycles_t then = get_cycles();
|
|
|
|
TempoMap& tmap = _session.tempo_map();
|
|
Metrics::const_iterator metric_i = tmap.metrics_end();
|
|
TempoMetric tmetric = tmap.metric_at(_session.transport_frame(), &metric_i);
|
|
|
|
if (_freewheel_control_port) {
|
|
*_freewheel_control_port = _session.engine().freewheeling() ? 1.f : 0.f;
|
|
}
|
|
|
|
if (_bpm_control_port) {
|
|
*_bpm_control_port = tmetric.tempo().beats_per_minute();
|
|
}
|
|
|
|
ChanCount bufs_count;
|
|
bufs_count.set(DataType::AUDIO, 1);
|
|
bufs_count.set(DataType::MIDI, 1);
|
|
BufferSet& silent_bufs = _session.get_silent_buffers(bufs_count);
|
|
BufferSet& scratch_bufs = _session.get_scratch_buffers(bufs_count);
|
|
uint32_t const num_ports = parameter_count();
|
|
uint32_t const nil_index = std::numeric_limits<uint32_t>::max();
|
|
|
|
uint32_t audio_in_index = 0;
|
|
uint32_t audio_out_index = 0;
|
|
uint32_t midi_in_index = 0;
|
|
uint32_t midi_out_index = 0;
|
|
uint32_t atom_port_index = 0;
|
|
for (uint32_t port_index = 0; port_index < num_ports; ++port_index) {
|
|
void* buf = NULL;
|
|
uint32_t index = nil_index;
|
|
PortFlags flags = _port_flags[port_index];
|
|
bool valid = false;
|
|
if (flags & PORT_AUDIO) {
|
|
if (flags & PORT_INPUT) {
|
|
index = in_map.get(DataType::AUDIO, audio_in_index++, &valid);
|
|
buf = (valid)
|
|
? bufs.get_audio(index).data(offset)
|
|
: silent_bufs.get_audio(0).data(offset);
|
|
} else {
|
|
index = out_map.get(DataType::AUDIO, audio_out_index++, &valid);
|
|
buf = (valid)
|
|
? bufs.get_audio(index).data(offset)
|
|
: scratch_bufs.get_audio(0).data(offset);
|
|
}
|
|
} else if (flags & (PORT_EVENT|PORT_SEQUENCE)) {
|
|
/* FIXME: The checks here for bufs.count().n_midi() > index shouldn't
|
|
be necessary, but the mapping is illegal in some cases. Ideally
|
|
that should be fixed, but this is easier...
|
|
*/
|
|
if (flags & PORT_MIDI) {
|
|
if (flags & PORT_INPUT) {
|
|
index = in_map.get(DataType::MIDI, midi_in_index++, &valid);
|
|
} else {
|
|
index = out_map.get(DataType::MIDI, midi_out_index++, &valid);
|
|
}
|
|
if (valid && bufs.count().n_midi() > index) {
|
|
/* Note, ensure_lv2_bufsize() is not RT safe!
|
|
* However free()/alloc() is only called if a
|
|
* plugin requires a rsz:minimumSize buffersize
|
|
* and the existing buffer if smaller.
|
|
*/
|
|
bufs.ensure_lv2_bufsize((flags & PORT_INPUT), index, _port_minimumSize[port_index]);
|
|
_ev_buffers[port_index] = bufs.get_lv2_midi(
|
|
(flags & PORT_INPUT), index, (flags & PORT_EVENT));
|
|
}
|
|
} else if ((flags & PORT_POSITION) && (flags & PORT_INPUT)) {
|
|
lv2_evbuf_reset(_atom_ev_buffers[atom_port_index], true);
|
|
_ev_buffers[port_index] = _atom_ev_buffers[atom_port_index++];
|
|
valid = true;
|
|
}
|
|
|
|
if (valid && (flags & PORT_INPUT)) {
|
|
Timecode::BBT_Time bbt;
|
|
if ((flags & PORT_POSITION)) {
|
|
if (_session.transport_frame() != _next_cycle_start ||
|
|
_session.transport_speed() != _next_cycle_speed) {
|
|
// Transport has changed, write position at cycle start
|
|
tmap.bbt_time(_session.transport_frame(), bbt);
|
|
write_position(&_impl->forge, _ev_buffers[port_index],
|
|
tmetric, bbt, _session.transport_speed(),
|
|
_session.transport_frame(), 0);
|
|
}
|
|
}
|
|
|
|
// Get MIDI iterator range (empty range if no MIDI)
|
|
MidiBuffer::iterator m = (index != nil_index)
|
|
? bufs.get_midi(index).begin()
|
|
: silent_bufs.get_midi(0).end();
|
|
MidiBuffer::iterator m_end = (index != nil_index)
|
|
? bufs.get_midi(index).end()
|
|
: m;
|
|
|
|
// Now merge MIDI and any transport events into the buffer
|
|
const uint32_t type = _uri_map.urids.midi_MidiEvent;
|
|
const framepos_t tend = _session.transport_frame() + nframes;
|
|
++metric_i;
|
|
while (m != m_end || (metric_i != tmap.metrics_end() &&
|
|
(*metric_i)->frame() < tend)) {
|
|
MetricSection* metric = (metric_i != tmap.metrics_end())
|
|
? *metric_i : NULL;
|
|
if (m != m_end && (!metric || metric->frame() > (*m).time())) {
|
|
const Evoral::MIDIEvent<framepos_t> ev(*m, false);
|
|
LV2_Evbuf_Iterator eend = lv2_evbuf_end(_ev_buffers[port_index]);
|
|
lv2_evbuf_write(&eend, ev.time(), 0, type, ev.size(), ev.buffer());
|
|
++m;
|
|
} else {
|
|
tmetric.set_metric(metric);
|
|
bbt = metric->start();
|
|
write_position(&_impl->forge, _ev_buffers[port_index],
|
|
tmetric, bbt, _session.transport_speed(),
|
|
metric->frame(),
|
|
metric->frame() - _session.transport_frame());
|
|
++metric_i;
|
|
}
|
|
}
|
|
} else if (!valid) {
|
|
// Nothing we understand or care about, connect to scratch
|
|
// see note for midi-buffer size above
|
|
scratch_bufs.ensure_lv2_bufsize((flags & PORT_INPUT),
|
|
0, _port_minimumSize[port_index]);
|
|
_ev_buffers[port_index] = scratch_bufs.get_lv2_midi(
|
|
(flags & PORT_INPUT), 0, (flags & PORT_EVENT));
|
|
}
|
|
|
|
buf = lv2_evbuf_get_buffer(_ev_buffers[port_index]);
|
|
} else {
|
|
continue; // Control port, leave buffer alone
|
|
}
|
|
lilv_instance_connect_port(_impl->instance, port_index, buf);
|
|
}
|
|
|
|
// Read messages from UI and push into appropriate buffers
|
|
if (_from_ui) {
|
|
uint32_t read_space = _from_ui->read_space();
|
|
while (read_space > sizeof(UIMessage)) {
|
|
UIMessage msg;
|
|
if (_from_ui->read((uint8_t*)&msg, sizeof(msg)) != sizeof(msg)) {
|
|
error << "Error reading from UI=>Plugin RingBuffer" << endmsg;
|
|
break;
|
|
}
|
|
vector<uint8_t> body(msg.size);
|
|
if (_from_ui->read(&body[0], msg.size) != msg.size) {
|
|
error << "Error reading from UI=>Plugin RingBuffer" << endmsg;
|
|
break;
|
|
}
|
|
if (msg.protocol == URIMap::instance().urids.atom_eventTransfer) {
|
|
LV2_Evbuf* buf = _ev_buffers[msg.index];
|
|
LV2_Evbuf_Iterator i = lv2_evbuf_end(buf);
|
|
const LV2_Atom* const atom = (const LV2_Atom*)&body[0];
|
|
if (!lv2_evbuf_write(&i, nframes - 1, 0, atom->type, atom->size,
|
|
(const uint8_t*)(atom + 1))) {
|
|
error << "Failed to write data to LV2 event buffer\n";
|
|
}
|
|
} else {
|
|
error << "Received unknown message type from UI" << endmsg;
|
|
}
|
|
read_space -= sizeof(UIMessage) + msg.size;
|
|
}
|
|
}
|
|
|
|
run(nframes);
|
|
|
|
midi_out_index = 0;
|
|
for (uint32_t port_index = 0; port_index < num_ports; ++port_index) {
|
|
PortFlags flags = _port_flags[port_index];
|
|
bool valid = false;
|
|
|
|
/* TODO ask drobilla about comment
|
|
* "Make Ardour event buffers generic so plugins can communicate"
|
|
* in libs/ardour/buffer_set.cc:310
|
|
*
|
|
* ideally the user could choose which of the following two modes
|
|
* to use (e.g. instrument/effect chains MIDI OUT vs MIDI TRHU).
|
|
*
|
|
* This implementation follows the discussion on IRC Mar 16 2013 16:47 UTC
|
|
* 16:51 < drobilla> rgareus: [..] i.e always replace with MIDI output [of LV2 plugin] if it's there
|
|
* 16:52 < drobilla> rgareus: That would probably be good enough [..] to make users not complain
|
|
* for quite a while at least ;)
|
|
*/
|
|
// copy output of LV2 plugin's MIDI port to Ardour MIDI buffers -- MIDI OUT
|
|
if ((flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_SEQUENCE|PORT_MIDI))) {
|
|
const uint32_t buf_index = out_map.get(
|
|
DataType::MIDI, midi_out_index++, &valid);
|
|
if (valid) {
|
|
bufs.forward_lv2_midi(_ev_buffers[port_index], buf_index);
|
|
}
|
|
}
|
|
// Flush MIDI (write back to Ardour MIDI buffers) -- MIDI THRU
|
|
else if ((flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_SEQUENCE))) {
|
|
const uint32_t buf_index = out_map.get(
|
|
DataType::MIDI, midi_out_index++, &valid);
|
|
if (valid) {
|
|
bufs.flush_lv2_midi(true, buf_index);
|
|
}
|
|
}
|
|
|
|
|
|
// Write messages to UI
|
|
if ((_to_ui || _patch_port_out_index != (uint32_t)-1) &&
|
|
(flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_SEQUENCE))) {
|
|
LV2_Evbuf* buf = _ev_buffers[port_index];
|
|
for (LV2_Evbuf_Iterator i = lv2_evbuf_begin(buf);
|
|
lv2_evbuf_is_valid(i);
|
|
i = lv2_evbuf_next(i)) {
|
|
uint32_t frames, subframes, type, size;
|
|
uint8_t* data;
|
|
lv2_evbuf_get(i, &frames, &subframes, &type, &size, &data);
|
|
|
|
// Intercept patch change messages to emit PropertyChanged signal
|
|
if ((flags & PORT_PATCHMSG)) {
|
|
LV2_Atom* atom = (LV2_Atom*)(data - sizeof(LV2_Atom));
|
|
if (atom->type == _uri_map.urids.atom_Blank ||
|
|
atom->type == _uri_map.urids.atom_Object) {
|
|
LV2_Atom_Object* obj = (LV2_Atom_Object*)atom;
|
|
if (obj->body.otype == _uri_map.urids.patch_Set) {
|
|
const LV2_Atom* property = NULL;
|
|
const LV2_Atom* value = NULL;
|
|
lv2_atom_object_get(obj,
|
|
_uri_map.urids.patch_property, &property,
|
|
_uri_map.urids.patch_value, &value,
|
|
0);
|
|
|
|
if (!property || !value ||
|
|
property->type != _uri_map.urids.atom_URID ||
|
|
value->type != _uri_map.urids.atom_Path) {
|
|
std::cerr << "warning: patch:Set for unknown property" << std::endl;
|
|
continue;
|
|
}
|
|
|
|
const uint32_t prop_id = ((const LV2_Atom_URID*)property)->body;
|
|
const char* path = (const char*)LV2_ATOM_BODY_CONST(value);
|
|
|
|
// Emit PropertyChanged signal for UI
|
|
// TODO: This should emit the control's Changed signal
|
|
PropertyChanged(prop_id, Variant(Variant::PATH, path));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!_to_ui) continue;
|
|
write_to_ui(port_index, URIMap::instance().urids.atom_eventTransfer,
|
|
size + sizeof(LV2_Atom),
|
|
data - sizeof(LV2_Atom));
|
|
}
|
|
}
|
|
}
|
|
|
|
cycles_t now = get_cycles();
|
|
set_cycles((uint32_t)(now - then));
|
|
|
|
// Update expected transport information for next cycle so we can detect changes
|
|
_next_cycle_speed = _session.transport_speed();
|
|
_next_cycle_start = _session.transport_frame() + (nframes * _next_cycle_speed);
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::parameter_is_control(uint32_t param) const
|
|
{
|
|
assert(param < _port_flags.size());
|
|
return _port_flags[param] & PORT_CONTROL;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::parameter_is_audio(uint32_t param) const
|
|
{
|
|
assert(param < _port_flags.size());
|
|
return _port_flags[param] & PORT_AUDIO;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::parameter_is_event(uint32_t param) const
|
|
{
|
|
assert(param < _port_flags.size());
|
|
return _port_flags[param] & PORT_EVENT;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::parameter_is_output(uint32_t param) const
|
|
{
|
|
assert(param < _port_flags.size());
|
|
return _port_flags[param] & PORT_OUTPUT;
|
|
}
|
|
|
|
bool
|
|
LV2Plugin::parameter_is_input(uint32_t param) const
|
|
{
|
|
assert(param < _port_flags.size());
|
|
return _port_flags[param] & PORT_INPUT;
|
|
}
|
|
|
|
void
|
|
LV2Plugin::print_parameter(uint32_t param, char* buf, uint32_t len) const
|
|
{
|
|
if (buf && len) {
|
|
if (param < parameter_count()) {
|
|
snprintf(buf, len, "%.3f", get_parameter(param));
|
|
} else {
|
|
strcat(buf, "0");
|
|
}
|
|
}
|
|
}
|
|
|
|
boost::shared_ptr<ScalePoints>
|
|
LV2Plugin::get_scale_points(uint32_t port_index) const
|
|
{
|
|
const LilvPort* port = lilv_plugin_get_port_by_index(_impl->plugin, port_index);
|
|
LilvScalePoints* points = lilv_port_get_scale_points(_impl->plugin, port);
|
|
|
|
boost::shared_ptr<ScalePoints> ret;
|
|
if (!points) {
|
|
return ret;
|
|
}
|
|
|
|
ret = boost::shared_ptr<ScalePoints>(new ScalePoints());
|
|
|
|
LILV_FOREACH(scale_points, i, points) {
|
|
const LilvScalePoint* p = lilv_scale_points_get(points, i);
|
|
const LilvNode* label = lilv_scale_point_get_label(p);
|
|
const LilvNode* value = lilv_scale_point_get_value(p);
|
|
if (label && (lilv_node_is_float(value) || lilv_node_is_int(value))) {
|
|
ret->insert(make_pair(lilv_node_as_string(label),
|
|
lilv_node_as_float(value)));
|
|
}
|
|
}
|
|
|
|
lilv_scale_points_free(points);
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
LV2Plugin::run(pframes_t nframes)
|
|
{
|
|
uint32_t const N = parameter_count();
|
|
for (uint32_t i = 0; i < N; ++i) {
|
|
if (parameter_is_control(i) && parameter_is_input(i)) {
|
|
_control_data[i] = _shadow_data[i];
|
|
}
|
|
}
|
|
|
|
lilv_instance_run(_impl->instance, nframes);
|
|
|
|
if (_impl->work_iface) {
|
|
_worker->emit_responses();
|
|
if (_impl->work_iface->end_run) {
|
|
_impl->work_iface->end_run(_impl->instance->lv2_handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
LV2Plugin::latency_compute_run()
|
|
{
|
|
if (!_latency_control_port) {
|
|
return;
|
|
}
|
|
|
|
// Run the plugin so that it can set its latency parameter
|
|
|
|
bool was_activated = _was_activated;
|
|
activate();
|
|
|
|
uint32_t port_index = 0;
|
|
uint32_t in_index = 0;
|
|
uint32_t out_index = 0;
|
|
|
|
// this is done in the main thread. non realtime.
|
|
const framecnt_t bufsize = _engine.samples_per_cycle();
|
|
float *buffer = (float*) malloc(_engine.samples_per_cycle() * sizeof(float));
|
|
|
|
memset(buffer, 0, sizeof(float) * bufsize);
|
|
|
|
// FIXME: Ensure plugins can handle in-place processing
|
|
|
|
port_index = 0;
|
|
|
|
while (port_index < parameter_count()) {
|
|
if (parameter_is_audio(port_index)) {
|
|
if (parameter_is_input(port_index)) {
|
|
lilv_instance_connect_port(_impl->instance, port_index, buffer);
|
|
in_index++;
|
|
} else if (parameter_is_output(port_index)) {
|
|
lilv_instance_connect_port(_impl->instance, port_index, buffer);
|
|
out_index++;
|
|
}
|
|
}
|
|
port_index++;
|
|
}
|
|
|
|
run(bufsize);
|
|
deactivate();
|
|
if (was_activated) {
|
|
activate();
|
|
}
|
|
free(buffer);
|
|
}
|
|
|
|
const LilvPort*
|
|
LV2Plugin::Impl::designated_input (const char* uri, void** bufptrs[], void** bufptr)
|
|
{
|
|
const LilvPort* port = NULL;
|
|
LilvNode* designation = lilv_new_uri(_world.world, uri);
|
|
port = lilv_plugin_get_port_by_designation(
|
|
plugin, _world.lv2_InputPort, designation);
|
|
lilv_node_free(designation);
|
|
if (port) {
|
|
bufptrs[lilv_port_get_index(plugin, port)] = bufptr;
|
|
}
|
|
return port;
|
|
}
|
|
|
|
static bool lv2_filter (const string& str, void* /*arg*/)
|
|
{
|
|
/* Not a dotfile, has a prefix before a period, suffix is "lv2" */
|
|
|
|
return str[0] != '.' && (str.length() > 3 && str.find (".lv2") == (str.length() - 4));
|
|
}
|
|
|
|
|
|
LV2World::LV2World()
|
|
: world(lilv_world_new())
|
|
, _bundle_checked(false)
|
|
{
|
|
atom_AtomPort = lilv_new_uri(world, LV2_ATOM__AtomPort);
|
|
atom_Chunk = lilv_new_uri(world, LV2_ATOM__Chunk);
|
|
atom_Sequence = lilv_new_uri(world, LV2_ATOM__Sequence);
|
|
atom_bufferType = lilv_new_uri(world, LV2_ATOM__bufferType);
|
|
atom_supports = lilv_new_uri(world, LV2_ATOM__supports);
|
|
atom_eventTransfer = lilv_new_uri(world, LV2_ATOM__eventTransfer);
|
|
ev_EventPort = lilv_new_uri(world, LILV_URI_EVENT_PORT);
|
|
ext_logarithmic = lilv_new_uri(world, LV2_PORT_PROPS__logarithmic);
|
|
ext_notOnGUI = lilv_new_uri(world, LV2_PORT_PROPS__notOnGUI);
|
|
lv2_AudioPort = lilv_new_uri(world, LILV_URI_AUDIO_PORT);
|
|
lv2_ControlPort = lilv_new_uri(world, LILV_URI_CONTROL_PORT);
|
|
lv2_InputPort = lilv_new_uri(world, LILV_URI_INPUT_PORT);
|
|
lv2_OutputPort = lilv_new_uri(world, LILV_URI_OUTPUT_PORT);
|
|
lv2_inPlaceBroken = lilv_new_uri(world, LV2_CORE__inPlaceBroken);
|
|
lv2_integer = lilv_new_uri(world, LV2_CORE__integer);
|
|
lv2_default = lilv_new_uri(world, LV2_CORE__default);
|
|
lv2_minimum = lilv_new_uri(world, LV2_CORE__minimum);
|
|
lv2_maximum = lilv_new_uri(world, LV2_CORE__maximum);
|
|
lv2_reportsLatency = lilv_new_uri(world, LV2_CORE__reportsLatency);
|
|
lv2_sampleRate = lilv_new_uri(world, LV2_CORE__sampleRate);
|
|
lv2_toggled = lilv_new_uri(world, LV2_CORE__toggled);
|
|
lv2_enumeration = lilv_new_uri(world, LV2_CORE__enumeration);
|
|
lv2_freewheeling = lilv_new_uri(world, LV2_CORE__freeWheeling);
|
|
midi_MidiEvent = lilv_new_uri(world, LILV_URI_MIDI_EVENT);
|
|
rdfs_comment = lilv_new_uri(world, LILV_NS_RDFS "comment");
|
|
rdfs_label = lilv_new_uri(world, LILV_NS_RDFS "label");
|
|
rdfs_range = lilv_new_uri(world, LILV_NS_RDFS "range");
|
|
rsz_minimumSize = lilv_new_uri(world, LV2_RESIZE_PORT__minimumSize);
|
|
time_Position = lilv_new_uri(world, LV2_TIME__Position);
|
|
ui_GtkUI = lilv_new_uri(world, LV2_UI__GtkUI);
|
|
ui_external = lilv_new_uri(world, "http://lv2plug.in/ns/extensions/ui#external");
|
|
ui_externalkx = lilv_new_uri(world, "http://kxstudio.sf.net/ns/lv2ext/external-ui#Widget");
|
|
units_unit = lilv_new_uri(world, LV2_UNITS__unit);
|
|
units_render = lilv_new_uri(world, LV2_UNITS__render);
|
|
units_hz = lilv_new_uri(world, LV2_UNITS__hz);
|
|
units_midiNote = lilv_new_uri(world, LV2_UNITS__midiNote);
|
|
units_db = lilv_new_uri(world, LV2_UNITS__db);
|
|
patch_writable = lilv_new_uri(world, LV2_PATCH__writable);
|
|
patch_Message = lilv_new_uri(world, LV2_PATCH__Message);
|
|
lv2_noSampleAccurateCtrl = lilv_new_uri(world, LV2_CORE_PREFIX "noSampleAccurateControls");
|
|
#ifdef HAVE_LV2_1_2_0
|
|
bufz_powerOf2BlockLength = lilv_new_uri(world, LV2_BUF_SIZE__powerOf2BlockLength);
|
|
bufz_fixedBlockLength = lilv_new_uri(world, LV2_BUF_SIZE__fixedBlockLength);
|
|
bufz_nominalBlockLength = lilv_new_uri(world, "http://lv2plug.in/ns/ext/buf-size#nominalBlockLength");
|
|
#endif
|
|
|
|
}
|
|
|
|
LV2World::~LV2World()
|
|
{
|
|
#ifdef HAVE_LV2_1_2_0
|
|
lilv_node_free(bufz_nominalBlockLength);
|
|
lilv_node_free(bufz_fixedBlockLength);
|
|
lilv_node_free(bufz_powerOf2BlockLength);
|
|
#endif
|
|
lilv_node_free(lv2_noSampleAccurateCtrl);
|
|
lilv_node_free(patch_Message);
|
|
lilv_node_free(patch_writable);
|
|
lilv_node_free(units_hz);
|
|
lilv_node_free(units_midiNote);
|
|
lilv_node_free(units_db);
|
|
lilv_node_free(units_unit);
|
|
lilv_node_free(units_render);
|
|
lilv_node_free(ui_externalkx);
|
|
lilv_node_free(ui_external);
|
|
lilv_node_free(ui_GtkUI);
|
|
lilv_node_free(time_Position);
|
|
lilv_node_free(rsz_minimumSize);
|
|
lilv_node_free(rdfs_comment);
|
|
lilv_node_free(rdfs_label);
|
|
lilv_node_free(rdfs_range);
|
|
lilv_node_free(midi_MidiEvent);
|
|
lilv_node_free(lv2_enumeration);
|
|
lilv_node_free(lv2_freewheeling);
|
|
lilv_node_free(lv2_toggled);
|
|
lilv_node_free(lv2_sampleRate);
|
|
lilv_node_free(lv2_reportsLatency);
|
|
lilv_node_free(lv2_integer);
|
|
lilv_node_free(lv2_inPlaceBroken);
|
|
lilv_node_free(lv2_OutputPort);
|
|
lilv_node_free(lv2_InputPort);
|
|
lilv_node_free(lv2_ControlPort);
|
|
lilv_node_free(lv2_AudioPort);
|
|
lilv_node_free(ext_notOnGUI);
|
|
lilv_node_free(ext_logarithmic);
|
|
lilv_node_free(ev_EventPort);
|
|
lilv_node_free(atom_supports);
|
|
lilv_node_free(atom_eventTransfer);
|
|
lilv_node_free(atom_bufferType);
|
|
lilv_node_free(atom_Sequence);
|
|
lilv_node_free(atom_Chunk);
|
|
lilv_node_free(atom_AtomPort);
|
|
lilv_world_free(world);
|
|
}
|
|
|
|
void
|
|
LV2World::load_bundled_plugins(bool verbose)
|
|
{
|
|
if (!_bundle_checked) {
|
|
if (verbose) {
|
|
cout << "Scanning folders for bundled LV2s: " << ARDOUR::lv2_bundled_search_path().to_string() << endl;
|
|
}
|
|
|
|
vector<string> plugin_objects;
|
|
find_paths_matching_filter (plugin_objects, ARDOUR::lv2_bundled_search_path(), lv2_filter, 0, true, true, true);
|
|
for ( vector<string>::iterator x = plugin_objects.begin(); x != plugin_objects.end (); ++x) {
|
|
#ifdef PLATFORM_WINDOWS
|
|
string uri = "file:///" + *x + "/";
|
|
#else
|
|
string uri = "file://" + *x + "/";
|
|
#endif
|
|
LilvNode *node = lilv_new_uri(world, uri.c_str());
|
|
lilv_world_load_bundle(world, node);
|
|
lilv_node_free(node);
|
|
}
|
|
|
|
lilv_world_load_all(world);
|
|
_bundle_checked = true;
|
|
}
|
|
}
|
|
|
|
LV2PluginInfo::LV2PluginInfo (const char* plugin_uri)
|
|
{
|
|
type = ARDOUR::LV2;
|
|
_plugin_uri = strdup(plugin_uri);
|
|
}
|
|
|
|
LV2PluginInfo::~LV2PluginInfo()
|
|
{
|
|
free(_plugin_uri);
|
|
_plugin_uri = NULL;
|
|
}
|
|
|
|
PluginPtr
|
|
LV2PluginInfo::load(Session& session)
|
|
{
|
|
try {
|
|
PluginPtr plugin;
|
|
const LilvPlugins* plugins = lilv_world_get_all_plugins(_world.world);
|
|
LilvNode* uri = lilv_new_uri(_world.world, _plugin_uri);
|
|
if (!uri) { throw failed_constructor(); }
|
|
const LilvPlugin* lp = lilv_plugins_get_by_uri(plugins, uri);
|
|
if (!lp) { throw failed_constructor(); }
|
|
plugin.reset(new LV2Plugin(session.engine(), session, lp, session.frame_rate()));
|
|
lilv_node_free(uri);
|
|
plugin->set_info(PluginInfoPtr(shared_from_this ()));
|
|
return plugin;
|
|
} catch (failed_constructor& err) {
|
|
return PluginPtr((Plugin*)0);
|
|
}
|
|
|
|
return PluginPtr();
|
|
}
|
|
|
|
std::vector<Plugin::PresetRecord>
|
|
LV2PluginInfo::get_presets (bool /*user_only*/) const
|
|
{
|
|
std::vector<Plugin::PresetRecord> p;
|
|
#ifndef NO_PLUGIN_STATE
|
|
const LilvPlugin* lp = NULL;
|
|
try {
|
|
PluginPtr plugin;
|
|
const LilvPlugins* plugins = lilv_world_get_all_plugins(_world.world);
|
|
LilvNode* uri = lilv_new_uri(_world.world, _plugin_uri);
|
|
if (!uri) { throw failed_constructor(); }
|
|
lp = lilv_plugins_get_by_uri(plugins, uri);
|
|
if (!lp) { throw failed_constructor(); }
|
|
lilv_node_free(uri);
|
|
} catch (failed_constructor& err) {
|
|
return p;
|
|
}
|
|
assert (lp);
|
|
// see LV2Plugin::find_presets
|
|
LilvNode* lv2_appliesTo = lilv_new_uri(_world.world, LV2_CORE__appliesTo);
|
|
LilvNode* pset_Preset = lilv_new_uri(_world.world, LV2_PRESETS__Preset);
|
|
LilvNode* rdfs_label = lilv_new_uri(_world.world, LILV_NS_RDFS "label");
|
|
|
|
LilvNodes* presets = lilv_plugin_get_related(lp, pset_Preset);
|
|
LILV_FOREACH(nodes, i, presets) {
|
|
const LilvNode* preset = lilv_nodes_get(presets, i);
|
|
lilv_world_load_resource(_world.world, preset);
|
|
LilvNode* name = get_value(_world.world, preset, rdfs_label);
|
|
bool userpreset = true; // TODO
|
|
if (name) {
|
|
p.push_back (Plugin::PresetRecord (lilv_node_as_string(preset), lilv_node_as_string(name), userpreset));
|
|
lilv_node_free(name);
|
|
}
|
|
}
|
|
lilv_nodes_free(presets);
|
|
lilv_node_free(rdfs_label);
|
|
lilv_node_free(pset_Preset);
|
|
lilv_node_free(lv2_appliesTo);
|
|
#endif
|
|
return p;
|
|
}
|
|
|
|
bool
|
|
LV2PluginInfo::in_category (const std::string &c) const
|
|
{
|
|
// TODO use untranslated lilv_plugin_get_class()
|
|
// match gtk2_ardour/plugin_selector.cc
|
|
if (category == c) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
LV2PluginInfo::is_instrument () const
|
|
{
|
|
if (category == "Instrument") {
|
|
return true;
|
|
}
|
|
#if 1
|
|
/* until we make sure that category remains untranslated in the lv2.ttl spec
|
|
* and until most instruments also classify themselves as such, there's a 2nd check:
|
|
*/
|
|
if (n_inputs.n_midi() > 0 && n_inputs.n_audio() == 0 && n_outputs.n_audio() > 0) {
|
|
return true;
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
PluginInfoList*
|
|
LV2PluginInfo::discover()
|
|
{
|
|
LV2World world;
|
|
world.load_bundled_plugins();
|
|
_world.load_bundled_plugins(true);
|
|
|
|
PluginInfoList* plugs = new PluginInfoList;
|
|
const LilvPlugins* plugins = lilv_world_get_all_plugins(world.world);
|
|
|
|
LILV_FOREACH(plugins, i, plugins) {
|
|
const LilvPlugin* p = lilv_plugins_get(plugins, i);
|
|
const LilvNode* pun = lilv_plugin_get_uri(p);
|
|
if (!pun) continue;
|
|
LV2PluginInfoPtr info(new LV2PluginInfo(lilv_node_as_string(pun)));
|
|
|
|
LilvNode* name = lilv_plugin_get_name(p);
|
|
if (!name || !lilv_plugin_get_port_by_index(p, 0)) {
|
|
warning << "Ignoring invalid LV2 plugin "
|
|
<< lilv_node_as_string(lilv_plugin_get_uri(p))
|
|
<< endmsg;
|
|
continue;
|
|
}
|
|
|
|
if (lilv_plugin_has_feature(p, world.lv2_inPlaceBroken)) {
|
|
warning << string_compose(
|
|
_("Ignoring LV2 plugin \"%1\" since it cannot do inplace processing."),
|
|
lilv_node_as_string(name)) << endmsg;
|
|
lilv_node_free(name);
|
|
continue;
|
|
}
|
|
|
|
#ifdef HAVE_LV2_1_2_0
|
|
LilvNodes *required_features = lilv_plugin_get_required_features (p);
|
|
if (lilv_nodes_contains (required_features, world.bufz_powerOf2BlockLength) ||
|
|
lilv_nodes_contains (required_features, world.bufz_fixedBlockLength)
|
|
) {
|
|
warning << string_compose(
|
|
_("Ignoring LV2 plugin \"%1\" because its buffer-size requirements cannot be satisfied."),
|
|
lilv_node_as_string(name)) << endmsg;
|
|
lilv_nodes_free(required_features);
|
|
lilv_node_free(name);
|
|
continue;
|
|
}
|
|
lilv_nodes_free(required_features);
|
|
#endif
|
|
|
|
info->type = LV2;
|
|
|
|
info->name = string(lilv_node_as_string(name));
|
|
lilv_node_free(name);
|
|
ARDOUR::PluginScanMessage(_("LV2"), info->name, false);
|
|
|
|
const LilvPluginClass* pclass = lilv_plugin_get_class(p);
|
|
const LilvNode* label = lilv_plugin_class_get_label(pclass);
|
|
info->category = lilv_node_as_string(label);
|
|
|
|
LilvNode* author_name = lilv_plugin_get_author_name(p);
|
|
info->creator = author_name ? string(lilv_node_as_string(author_name)) : "Unknown";
|
|
lilv_node_free(author_name);
|
|
|
|
info->path = "/NOPATH"; // Meaningless for LV2
|
|
|
|
/* count atom-event-ports that feature
|
|
* atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent>
|
|
*
|
|
* TODO: nicely ask drobilla to make a lilv_ call for that
|
|
*/
|
|
int count_midi_out = 0;
|
|
int count_midi_in = 0;
|
|
for (uint32_t i = 0; i < lilv_plugin_get_num_ports(p); ++i) {
|
|
const LilvPort* port = lilv_plugin_get_port_by_index(p, i);
|
|
if (lilv_port_is_a(p, port, world.atom_AtomPort)) {
|
|
LilvNodes* buffer_types = lilv_port_get_value(
|
|
p, port, world.atom_bufferType);
|
|
LilvNodes* atom_supports = lilv_port_get_value(
|
|
p, port, world.atom_supports);
|
|
|
|
if (lilv_nodes_contains(buffer_types, world.atom_Sequence)
|
|
&& lilv_nodes_contains(atom_supports, world.midi_MidiEvent)) {
|
|
if (lilv_port_is_a(p, port, world.lv2_InputPort)) {
|
|
count_midi_in++;
|
|
}
|
|
if (lilv_port_is_a(p, port, world.lv2_OutputPort)) {
|
|
count_midi_out++;
|
|
}
|
|
}
|
|
lilv_nodes_free(buffer_types);
|
|
lilv_nodes_free(atom_supports);
|
|
}
|
|
}
|
|
|
|
info->n_inputs.set_audio(
|
|
lilv_plugin_get_num_ports_of_class(
|
|
p, world.lv2_InputPort, world.lv2_AudioPort, NULL));
|
|
info->n_inputs.set_midi(
|
|
lilv_plugin_get_num_ports_of_class(
|
|
p, world.lv2_InputPort, world.ev_EventPort, NULL)
|
|
+ count_midi_in);
|
|
|
|
info->n_outputs.set_audio(
|
|
lilv_plugin_get_num_ports_of_class(
|
|
p, world.lv2_OutputPort, world.lv2_AudioPort, NULL));
|
|
info->n_outputs.set_midi(
|
|
lilv_plugin_get_num_ports_of_class(
|
|
p, world.lv2_OutputPort, world.ev_EventPort, NULL)
|
|
+ count_midi_out);
|
|
|
|
info->unique_id = lilv_node_as_uri(lilv_plugin_get_uri(p));
|
|
info->index = 0; // Meaningless for LV2
|
|
|
|
plugs->push_back(info);
|
|
}
|
|
|
|
return plugs;
|
|
}
|