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-rw-r--r--attic/muse2-oom/muse2/muse/vst.cpp633
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diff --git a/attic/muse2-oom/muse2/muse/vst.cpp b/attic/muse2-oom/muse2/muse/vst.cpp
deleted file mode 100644
index b34b71ca..00000000
--- a/attic/muse2-oom/muse2/muse/vst.cpp
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@@ -1,633 +0,0 @@
-//===================================================================
-// MusE
-// Linux Music Editor
-// $Id: vst.cpp,v 1.5.2.6 2009/12/06 10:05:00 terminator356 Exp $
-//
-// This code is based on jack_fst:
-// Copyright (C) 2004 Paul Davis <paul@linuxaudiosystems.com>
-// Torben Hohn <torbenh@informatik.uni-bremen.de>
-//
-// (C) Copyright 2004 Werner Schweer (ws@seh.de)
-//===================================================================
-
-#include "config.h"
-
-#ifdef VST_SUPPORT
-
-#include <QDir>
-#include <QMenu>
-
-#include <cmath>
-#include <fst.h>
-#include <vst/aeffectx.h>
-#include <jack/jack.h>
-
-#include "vst.h"
-#include "globals.h"
-#include "synth.h"
-#include "jackaudio.h"
-#include "midi.h"
-#include "xml.h"
-
-extern "C" void fst_error(const char *fmt, ...);
-extern long vstHostCallback (AEffect*, long, long, long, void*, float);
-
-extern JackAudioDevice* jackAudio;
-
-//---------------------------------------------------------
-// vstHostCallback
-//---------------------------------------------------------
-
-long vstHostCallback(AEffect* effect,
- long opcode, long index, long value, void* ptr, float opt)
- {
- static VstTimeInfo _timeInfo;
-
-// JackVST* jackvst = effect ? ((JackVST*) effect->user) : NULL;
- jack_position_t jack_pos;
- jack_transport_state_t tstate;
-
- switch (opcode) {
- case audioMasterAutomate:
- // index, value, returns 0
- effect->setParameter (effect, index, opt);
- return 0;
-
- case audioMasterVersion:
- // vst version, currently 2 (0 for older)
- return 2;
-
- case audioMasterCurrentId:
- // returns the unique id of a plug that's currently
- // loading
- return 0;
-
- case audioMasterIdle:
- // call application idle routine (this will
- // call effEditIdle for all open editors too)
- effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f);
- return 0;
-
- case audioMasterPinConnected:
- // inquire if an input or output is beeing connected;
- // index enumerates input or output counting from zero:
- // value is 0 for input and != 0 otherwise. note: the
- // return value is 0 for <true> such that older versions
- // will always return true.
- return 1;
-
- case audioMasterWantMidi:
- // <value> is a filter which is currently ignored
- return 0;
-
- case audioMasterGetTime:
- // returns const VstTimeInfo* (or 0 if not supported)
- // <value> should contain a mask indicating which fields are required
- // (see valid masks above), as some items may require extensive
- // conversions
-
- memset(&_timeInfo, 0, sizeof(_timeInfo));
-
- if (effect) {
- tstate = jackAudio->transportQuery(&jack_pos);
-
- _timeInfo.samplePos = jack_pos.frame;
- _timeInfo.sampleRate = jack_pos.frame_rate;
- _timeInfo.flags = 0;
-
- if ((value & (kVstBarsValid|kVstTempoValid)) && (jack_pos.valid & JackPositionBBT)) {
- _timeInfo.tempo = jack_pos.beats_per_minute;
- _timeInfo.timeSigNumerator = (long) floor (jack_pos.beats_per_bar);
- _timeInfo.timeSigDenominator = (long) floor (jack_pos.beat_type);
- _timeInfo.flags |= (kVstBarsValid|kVstTempoValid);
- }
- if (tstate == JackTransportRolling) {
- _timeInfo.flags |= kVstTransportPlaying;
- }
- }
- else {
- _timeInfo.samplePos = 0;
- _timeInfo.sampleRate = sampleRate;
- }
- return (long)&_timeInfo;
-
- case audioMasterProcessEvents:
- // VstEvents* in <ptr>
- return 0;
-
- case audioMasterSetTime:
- // VstTimenfo* in <ptr>, filter in <value>, not supported
-
- case audioMasterTempoAt:
- // returns tempo (in bpm * 10000) at sample frame location passed in <value>
- return 0;
-
- case audioMasterGetNumAutomatableParameters:
- return 0;
-
- case audioMasterGetParameterQuantization:
- // returns the integer value for +1.0 representation,
- // or 1 if full single float precision is maintained
- // in automation. parameter index in <value> (-1: all, any)
- return 0;
-
- case audioMasterIOChanged:
- // numInputs and/or numOutputs has changed
- return 0;
-
- case audioMasterNeedIdle:
- // plug needs idle calls (outside its editor window)
- return 0;
-
- case audioMasterSizeWindow:
- // index: width, value: height
- return 0;
-
- case audioMasterGetSampleRate:
- return 0;
-
- case audioMasterGetBlockSize:
- return 0;
-
- case audioMasterGetInputLatency:
- return 0;
-
- case audioMasterGetOutputLatency:
- return 0;
-
- case audioMasterGetPreviousPlug:
- // input pin in <value> (-1: first to come), returns cEffect*
- return 0;
-
- case audioMasterGetNextPlug:
- // output pin in <value> (-1: first to come), returns cEffect*
-
- case audioMasterWillReplaceOrAccumulate:
- // returns: 0: not supported, 1: replace, 2: accumulate
- return 0;
-
- case audioMasterGetCurrentProcessLevel:
- // returns: 0: not supported,
- // 1: currently in user thread (gui)
- // 2: currently in audio thread (where process is called)
- // 3: currently in 'sequencer' thread (midi, timer etc)
- // 4: currently offline processing and thus in user thread
- // other: not defined, but probably pre-empting user thread.
- return 0;
-
- case audioMasterGetAutomationState:
- // returns 0: not supported, 1: off, 2:read, 3:write, 4:read/write
- // offline
- return 0;
-
- case audioMasterOfflineStart:
- case audioMasterOfflineRead:
- // ptr points to offline structure, see below. return 0: error, 1 ok
- return 0;
-
- case audioMasterOfflineWrite:
- // same as read
- return 0;
-
- case audioMasterOfflineGetCurrentPass:
- case audioMasterOfflineGetCurrentMetaPass:
- return 0;
-
- case audioMasterSetOutputSampleRate:
- // for variable i/o, sample rate in <opt>
- return 0;
-
- case audioMasterGetSpeakerArrangement:
- // (long)input in <value>, output in <ptr>
- return 0;
-
- case audioMasterGetVendorString:
- // fills <ptr> with a string identifying the vendor (max 64 char)
- strcpy ((char*) ptr, "LAD");
- return 0;
-
- case audioMasterGetProductString:
- // fills <ptr> with a string with product name (max 64 char)
- strcpy ((char*) ptr, "FreeST");
-
- case audioMasterGetVendorVersion:
- // returns vendor-specific version
- return 1000;
-
- case audioMasterVendorSpecific:
- // no definition, vendor specific handling
- return 0;
-
- case audioMasterSetIcon:
- // void* in <ptr>, format not defined yet
- return 0;
-
- case audioMasterCanDo:
- // string in ptr, see below
- return 0;
-
- case audioMasterGetLanguage:
- // see enum
- return 0;
-
- case audioMasterOpenWindow:
- // returns platform specific ptr
- return 0;
-
- case audioMasterCloseWindow:
- // close window, platform specific handle in <ptr>
- return 0;
-
- case audioMasterGetDirectory:
- // get plug directory, FSSpec on MAC, else char*
- return 0;
-
- case audioMasterUpdateDisplay:
- // something has changed, update 'multi-fx' display
- effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f);
- return 0;
-
- case audioMasterBeginEdit:
- // begin of automation session (when mouse down), parameter index in <index>
- return 0;
-
- case audioMasterEndEdit:
- // end of automation session (when mouse up), parameter index in <index>
- return 0;
-
- case audioMasterOpenFileSelector:
- // open a fileselector window with VstFileSelect* in <ptr>
- return 0;
-
- default:
- break;
- }
- return 0;
- }
-
-//---------------------------------------------------------
-// scanVstDir
-//---------------------------------------------------------
-
-static void scanVstDir(const QString& s)
- {
- if (debugMsg)
- printf("scan vst plugin dir <%s>\n", s.toLatin1());
- QDir pluginDir(s, QString("*.dll"), QDir::Files);
- if (pluginDir.exists()) {
- const QFileInfoList* list = pluginDir.entryInfoList();
- QFileInfoListIterator it(*list);
- QFileInfo* fi;
- while((fi = it.current())) {
- char* path = strdup(fi->filePath().toLatin1());
- FSTInfo* info = fst_get_info(path);
- if (info) {
- if (info->numInputs == 0 && info->numOutputs)
- //synthis.push_back(new VstSynth(*fi));
- synthis.push_back(new VstSynth(*fi, fi->baseName(), QString(), QString(), QString()));
- fst_free_info(info);
- }
- free(path);
- ++it;
- }
- }
- }
-
-//---------------------------------------------------------
-// fstSignalHandler
-//---------------------------------------------------------
-
-static void fstSignalHandler(int sig, siginfo_t* /*info*/, void* /*context*/)
- {
- fst_error("fst signal handler %d, thread = 0x%x", sig, pthread_self ());
- if (sig == SIGSEGV || sig == SIGABRT) {
- char*p = 0;
- *p = 0;
- }
- exit(-1);
- }
-
-void jfst_reserve_mem (int bufsize)
-{
- char buf [bufsize];
- int i;
-
- fprintf (stderr, "Reserving memory: base=%p, size=%d, end=%p\n",
- buf, sizeof(buf), buf+sizeof(buf));
- for (i=0; i<bufsize; i++)
- {
- buf[i] = (char) (i % 256);
- }
-}
-
-//---------------------------------------------------------
-// initVST
-//---------------------------------------------------------
-
-void initVST()
- {
- jfst_reserve_mem(1000000);
-
- if (fst_init(fstSignalHandler)) {
- printf("initVST failed\n");
- return;
- }
-
- char* vstPath = getenv("VST_PATH");
- if (vstPath == 0)
- vstPath = "/usr/lib/vst:/usr/local/lib/vst";
-
- char* p = vstPath;
- while (*p != '\0') {
- char* pe = p;
- while (*pe != ':' && *pe != '\0')
- pe++;
-
- int n = pe - p;
- if (n) {
- char* buffer = new char[n + 1];
- strncpy(buffer, p, n);
- buffer[n] = '\0';
- scanVstDir(QString(buffer));
- delete[] buffer;
- }
- p = pe;
- if (*p == ':')
- p++;
- }
- }
-
-//---------------------------------------------------------
-// guiVisible
-//---------------------------------------------------------
-
-bool VstSynthIF::guiVisible() const
- {
- return _guiVisible;
- }
-
-
-//---------------------------------------------------------
-// showGui
-//---------------------------------------------------------
-
-void VstSynthIF::showGui(bool v)
- {
- if (v == guiVisible())
- return;
- if (v)
- fst_run_editor(_fst);
- else
- fst_destroy_editor(_fst);
- _guiVisible = v;
- }
-
-//---------------------------------------------------------
-// receiveEvent
-//---------------------------------------------------------
-
-MidiPlayEvent VstSynthIF::receiveEvent()
- {
- return MidiPlayEvent();
- }
-
-//---------------------------------------------------------
-// hasGui
-//---------------------------------------------------------
-
-bool VstSynthIF::hasGui() const
- {
- return _fst->plugin->flags & effFlagsHasEditor;
- }
-
-//---------------------------------------------------------
-// incInstances
-//---------------------------------------------------------
-
-void VstSynth::incInstances(int val)
- {
- _instances += val;
- if (_instances == 0 && fstHandle) {
- fst_unload(fstHandle);
- fstHandle = 0;
- }
- }
-
-//---------------------------------------------------------
-// instantiate
-//---------------------------------------------------------
-
-void* VstSynth::instantiate()
- {
- ++_instances;
- QString n;
- n.setNum(_instances);
- QString instanceName = baseName() + "-" + n;
- doSetuid();
- QByteArray ba = info.filePath().toLatin1();
- const char* path = ba.constData();
-
- fstHandle = fst_load(path);
- if (fstHandle == 0) {
- printf("Synth::instantiate: cannot load vst plugin %s\n", path);
- undoSetuid();
- return 0;
- }
- FST* fst = fst_instantiate(fstHandle, vstHostCallback, 0);
- if (fst == 0) {
- printf("Synth::instantiate:: cannot instantiate plugin %s\n", path);
- undoSetuid();
- return 0;
- }
- AEffect* plugin = fst->plugin;
- plugin->dispatcher (plugin, effMainsChanged, 0, 1, 0, 0.0f);
-
- /* set program to zero */
-
- plugin->dispatcher (plugin, effSetProgram, 0, 0, NULL, 0.0f);
-
- if (fst_run_editor(fst)) {
- printf("Synth::instantiate: cannot create gui");
- undoSetuid();
- return 0;
- }
-// int vst_version = plugin->dispatcher (plugin, effGetVstVersion, 0, 0, NULL, 0.0f);
- undoSetuid();
- return fst;
- }
-
-//---------------------------------------------------------
-// init
-//---------------------------------------------------------
-
-bool VstSynthIF::init(Synth* s)
- {
- _fst = (FST*)((VstSynth*)s)->instantiate();
- return (_fst == 0);
- }
-
-//---------------------------------------------------------
-// channels
-//---------------------------------------------------------
-
-int VstSynthIF::channels() const
- {
- AEffect* plugin = _fst->plugin;
- return plugin->numOutputs;
- }
-
-int VstSynthIF::totalOutChannels() const
- {
- AEffect* plugin = _fst->plugin;
- return plugin->numOutputs;
- }
-
-int VstSynthIF::totalInChannels() const
- {
- AEffect* plugin = _fst->plugin;
- return plugin->numInputs;
- }
-
-//---------------------------------------------------------
-// createSIF
-//---------------------------------------------------------
-
-//SynthIF* VstSynth::createSIF() const
-SynthIF* VstSynth::createSIF(SynthI* s)
- {
- //return new VstSynthIF();
-
- VstSynthIF* sif = new VstSynthIF(s);
- sif->init(this, s);
- return sif;
- }
-
-//---------------------------------------------------------
-// deactivate3
-//---------------------------------------------------------
-
-void VstSynthIF::deactivate3()
- {
- if (_fst) {
- if (_guiVisible)
- fst_destroy_editor(_fst);
- fst_close(_fst);
- _fst = 0;
- }
- }
-
-//---------------------------------------------------------
-// getParameter
-//---------------------------------------------------------
-
-float VstSynthIF::getParameter(unsigned long idx) const
- {
- return _fst->plugin->getParameter(_fst->plugin, idx);
- }
-
-//---------------------------------------------------------
-// setParameter
-//---------------------------------------------------------
-
-void VstSynthIF::setParameter(unsigned long idx, float value)
- {
- _fst->plugin->setParameter(_fst->plugin, idx, value);
- }
-
-//---------------------------------------------------------
-// write
-//---------------------------------------------------------
-
-void VstSynthIF::write(int level, Xml& xml) const
- {
- //---------------------------------------------
- // dump current state of synth
- //---------------------------------------------
-
- int len = 0;
- const unsigned char* p;
- AEffect* plugin = _fst->plugin;
- int params = plugin->numParams;
- for (int i = 0; i < params; ++i) {
- float f = plugin->getParameter(plugin, i);
- xml.floatTag(level, "param", f);
- }
- }
-
-//---------------------------------------------------------
-// getData
-//---------------------------------------------------------
-
-iMPEvent VstSynthIF::getData(MidiPort* mp, MPEventList* el, iMPEvent i, unsigned pos, int ports, unsigned n, float** buffer)
- {
- AEffect* plugin = _fst->plugin;
- for (; i != el->end(); ++i) {
- if (mp)
- mp->sendEvent(*i);
- else {
- if (putEvent(*i))
- break;
- }
- }
- if (plugin->flags & effFlagsCanReplacing) {
- plugin->processReplacing(plugin, 0, buffer, n);
- }
- else {
- plugin->process(plugin, 0, buffer, n);
- }
- return el->end();
- }
-
-//---------------------------------------------------------
-// putEvent
-//---------------------------------------------------------
-
-bool VstSynthIF::putEvent(const MidiPlayEvent& ev)
- {
- if (midiOutputTrace)
- ev.dump();
- AEffect* plugin = _fst->plugin;
- static struct VstEvents events;
- static struct VstMidiEvent event;
- events.numEvents = 1;
- events.reserved = 0;
- events.events[0] = (VstEvent*)(&event);
-
- event.type = kVstMidiType;
- event.byteSize = 24;
- event.deltaFrames = 0;
- event.flags = 0;
- event.detune = 0;
- event.noteLength = 0;
- event.noteOffset = 0;
- event.reserved1 = 0;
- event.reserved2 = 0;
- event.noteOffVelocity = 0;
- switch (ev.type()) {
- case ME_PITCHBEND:
- {
- int a = ev.dataA() + 8192;
- int b = a >> 7;
- event.midiData[0] = (ev.type() | ev.channel()) & 0xff;
- event.midiData[1] = a & 0x7f;
- event.midiData[2] = b & 0x7f;
- event.midiData[3] = 0;
- }
- break;
-
- case ME_CONTROLLER:
- case ME_NOTEON:
- default:
- event.midiData[0] = (ev.type() | ev.channel()) & 0xff;
- event.midiData[1] = ev.dataA() & 0xff;
- event.midiData[2] = ev.dataB() & 0xff;
- event.midiData[3] = 0;
- break;
- }
- int rv = plugin->dispatcher(plugin, effProcessEvents, 0, 0, &events, 0.0f);
- return false;
- }
-#else
-void initVST() {}
-#endif
-
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