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-rw-r--r--attic/muse_qt4_evolution/muse/plugin.cpp466
1 files changed, 0 insertions, 466 deletions
diff --git a/attic/muse_qt4_evolution/muse/plugin.cpp b/attic/muse_qt4_evolution/muse/plugin.cpp
deleted file mode 100644
index a661b08e..00000000
--- a/attic/muse_qt4_evolution/muse/plugin.cpp
+++ /dev/null
@@ -1,466 +0,0 @@
-//=============================================================================
-// MusE
-// Linux Music Editor
-// $Id:$
-//
-// Copyright (C) 2002-2006 by Werner Schweer and others
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License version 2.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-//=============================================================================
-
-#include <dlfcn.h>
-
-#include "al/al.h"
-#include "plugin.h"
-#include "ladspaplugin.h"
-#include "auxplugin.h"
-#include "plugingui.h"
-#include "al/xml.h"
-#include "fastlog.h"
-#include "ctrl.h"
-
-PluginList plugins;
-
-//---------------------------------------------------------
-// Plugin
-//---------------------------------------------------------
-
-Plugin::Plugin(const QFileInfo* f)
- : fi(*f)
- {
- _instances = 0;
- }
-
-//---------------------------------------------------------
-// loadPluginLib
-//---------------------------------------------------------
-
-static void loadPluginLib(QFileInfo* fi)
- {
- void* handle = dlopen(fi->filePath().toLatin1().data(), RTLD_NOW);
- if (handle == 0) {
- fprintf(stderr, "dlopen(%s) failed: %s\n",
- fi->filePath().toLatin1().data(), dlerror());
- return;
- }
- LADSPA_Descriptor_Function ladspa = (LADSPA_Descriptor_Function)dlsym(handle, "ladspa_descriptor");
-
- if (!ladspa) {
- const char *txt = dlerror();
- if (txt) {
- fprintf(stderr,
- "Unable to find ladspa_descriptor() function in plugin "
- "library file \"%s\": %s.\n"
- "Are you sure this is a LADSPA plugin file?\n",
- fi->filePath().toLatin1().data(),
- txt);
- return;
- }
- }
- const LADSPA_Descriptor* descr;
- for (int i = 0;; ++i) {
- descr = ladspa(i);
- if (descr == NULL)
- break;
- plugins.push_back(new LadspaPlugin(fi, ladspa, descr));
- }
- }
-
-//---------------------------------------------------------
-// loadPluginDir
-//---------------------------------------------------------
-
-static void loadPluginDir(const QString& s)
- {
- if (debugMsg)
- printf("scan ladspa plugin dir <%s>\n", s.toLatin1().data());
-#ifdef __APPLE__
- QDir pluginDir(s, QString("*.dylib"), 0, QDir::Files);
-#else
- QDir pluginDir(s, QString("*.so"), 0, QDir::Files);
-#endif
- if (pluginDir.exists()) {
- QFileInfoList list = pluginDir.entryInfoList();
- for (int i = 0; i < list.size(); ++i) {
- QFileInfo fi = list.at(i);
- loadPluginLib(&fi);
- }
- }
- }
-
-//---------------------------------------------------------
-// initPlugins
-// search for LADSPA plugins
-//---------------------------------------------------------
-
-void initPlugins()
- {
- loadPluginDir(museGlobalLib + QString("/plugins"));
-
- const char* ladspaPath = getenv("LADSPA_PATH");
- if (ladspaPath == 0)
- ladspaPath = "/usr/lib/ladspa:/usr/local/lib/ladspa";
-
- const char* p = ladspaPath;
- while (*p != '\0') {
- const 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';
- loadPluginDir(QString(buffer));
- delete[] buffer;
- }
- p = pe;
- if (*p == ':')
- p++;
- }
- auxPlugin = new AuxPlugin;
- }
-
-//---------------------------------------------------------
-// find
-//---------------------------------------------------------
-
-Plugin* PluginList::find(const QString& file, const QString& name)
- {
- for (iPlugin i = begin(); i != end(); ++i) {
- if ((file == (*i)->lib()) && (name == (*i)->label()))
- return *i;
- }
- printf("MusE: Plugin <%s> not found\n", name.toAscii().data());
- return 0;
- }
-
-//---------------------------------------------------------
-// PluginI
-//---------------------------------------------------------
-
-PluginI::PluginI(AudioTrack* t)
- {
- _track = t;
- _plugin = 0;
- instances = 0;
- _gui = 0;
- _on = true;
- pif = 0;
- initControlValues = false;
- }
-
-//---------------------------------------------------------
-// PluginI
-//---------------------------------------------------------
-
-PluginI::~PluginI()
- {
- if (_plugin) {
- deactivate();
- _plugin->incInstances(-1);
- }
- if (_gui)
- delete _gui;
- if (pif) {
- for (int i = 0; i < instances; ++i) {
- delete pif[i];
- }
- delete[] pif;
- }
- }
-
-//---------------------------------------------------------
-// apply
-//---------------------------------------------------------
-
-void PluginI::apply(unsigned nframes, int ports, float** src, float** dst)
- {
- int oports = _plugin->outports();
- int iports = _plugin->inports();
-
- float* sp[iports * instances];
- float* dp[oports * instances];
-
- for (int i = 0; i < iports * instances; ++i)
- sp[i] = src[i % ports];
- for (int i = 0; i < oports * instances; ++i)
- dp[i] = dst[i % ports];
-
- float** spp = sp;
- float** dpp = dp;
- for (int i = 0; i < instances; ++i) {
- pif[i]->apply(nframes, spp, dpp);
- spp += iports;
- dpp += oports;
- }
- }
-
-//---------------------------------------------------------
-// setChannel
-//---------------------------------------------------------
-
-void PluginI::setChannels(int c)
- {
- if (_channel == c)
- return;
- int ni = c / _plugin->outports();
- if (ni == 0)
- ni = 1;
- _channel = c;
- if (ni == instances)
- return;
- _channel = c;
-
- // remove old instances:
- deactivate();
- for (int i = 0; i < instances; ++i)
- delete pif[i];
- delete pif;
-
- instances = ni;
- pif = new PluginIF*[instances];
- for (int i = 0; i < instances; ++i) {
- pif[i] = _plugin->createPIF(this);
- if (pif[i] == 0)
- return;
- }
- activate();
- }
-
-//---------------------------------------------------------
-// initPluginInstance
-// return true on error
-//---------------------------------------------------------
-
-bool PluginI::initPluginInstance(Plugin* plug, int c)
- {
- if (plug == 0) {
- printf("initPluginInstance: zero plugin\n");
- return true;
- }
- _channel = c;
- _plugin = plug;
- _plugin->incInstances(1);
- QString inst("-" + QString::number(_plugin->instances()));
- _name = _plugin->name() + inst;
- _label = _plugin->label() + inst;
-
- instances = _channel / plug->outports();
- if (instances < 1)
- instances = 1;
- pif = new PluginIF*[instances];
- for (int i = 0; i < instances; ++i) {
- pif[i] = _plugin->createPIF(this);
- if (pif[i] == 0)
- return true;
- }
- activate();
- return false;
- }
-
-//---------------------------------------------------------
-// setParameter
-// set plugin instance controller value by name
-// return true on error
-//---------------------------------------------------------
-
-bool PluginI::setParameter(const QString& s, double val)
- {
- if (_plugin == 0)
- return true;
- int n = _plugin->parameter();
- for (int i = 0; i < n; ++i) {
- if (getParameterName(i) == s) {
- setParam(i, val);
- return false;
- }
- }
- printf("PluginI:setControl(%s, %f) controller not found\n",
- s.toLatin1().data(), val);
- return true;
- }
-
-//---------------------------------------------------------
-// saveConfiguration
-//---------------------------------------------------------
-
-void PluginI::writeConfiguration(Xml& xml, bool prefader)
- {
- writeConfiguration1(xml, prefader);
- xml.etag("plugin"); // append endtag
- }
-
-//---------------------------------------------------------
-// saveConfiguration
-//---------------------------------------------------------
-
-void PluginI::writeConfiguration1(Xml& xml, bool prefader)
- {
- xml.stag(QString("plugin pre=\"%1\" file=\"%2\" label=\"%3\" channel=\"%4\"")
- .arg(prefader)
- .arg(_plugin->lib())
- .arg(_plugin->label())
- .arg(_channel));
-// instances * _plugin->inports());
- if (_on == false)
- xml.tag("on", _on);
- if (guiVisible()) {
- xml.tag("gui", 1);
- xml.tag("geometry", _gui);
- }
- if (hasNativeGui() && nativeGuiVisible())
- xml.tag("nativeGui", 1);
- }
-
-//---------------------------------------------------------
-// readConfiguration
-// return true on error
-//---------------------------------------------------------
-
-bool PluginI::readConfiguration(QDomNode node, bool* prefader)
- {
- QDomElement e = node.toElement();
- QString file = e.attribute("file");
- QString label = e.attribute("label");
- _channel = e.attribute("channel").toInt();
- *prefader = e.attribute("pre", "1").toInt();
-
- if (_plugin == 0) {
- // special case: internal plugin Aux
- if (file.isEmpty() && label == "Aux")
- _plugin = auxPlugin;
- else
- _plugin = plugins.find(file, label);
- if (_plugin == 0)
- return true;
- if (initPluginInstance(_plugin, _channel))
- return true;
- }
- node = node.firstChild();
- while (!node.isNull()) {
- e = node.toElement();
- int i = e.text().toInt();
- QString tag(e.tagName());
- if (tag == "on") {
- bool flag = i;
- _on = flag;
- }
- else if (tag == "gui") {
- bool flag = i;
- showGui(flag);
- }
- else if (tag == "nativeGui") {
- bool flag = i;
- showNativeGui(flag);
- }
- else if (tag == "geometry") {
- QRect r(AL::readGeometry(node));
- if (_gui) {
- _gui->resize(r.size());
- _gui->move(r.topLeft());
- }
- }
- else
- printf("MusE:PluginI: unknown tag %s\n", e.tagName().toLatin1().data());
- node = node.nextSibling();
- }
- if (_gui)
- _gui->updateValues();
- return false;
- }
-
-//---------------------------------------------------------
-// showGui
-//---------------------------------------------------------
-
-void PluginI::showGui()
- {
- if (_plugin) {
- if (_gui == 0)
- makeGui();
- if (_gui->isVisible())
- _gui->hide();
- else
- _gui->show();
- }
- }
-
-void PluginI::showGui(bool flag)
- {
- if (_plugin) {
- if (flag) {
- if (_gui == 0)
- makeGui();
- _gui->show();
- }
- else {
- if (_gui)
- _gui->hide();
- }
- }
- }
-
-//---------------------------------------------------------
-// guiVisible
-//---------------------------------------------------------
-
-bool PluginI::guiVisible() const
- {
- return _gui && _gui->isVisible();
- }
-
-//---------------------------------------------------------
-// makeGui
-//---------------------------------------------------------
-
-void PluginI::makeGui()
- {
- _gui = new PluginGui(this);
- }
-
-//---------------------------------------------------------
-// deactivate
-//---------------------------------------------------------
-
-void PluginI::deactivate()
- {
- for (int i = 0; i < instances; ++i) {
- pif[i]->deactivate();
- pif[i]->cleanup();
- }
- }
-
-//---------------------------------------------------------
-// setParam
-//---------------------------------------------------------
-
-void PluginI::setParam(int idx, double val)
- {
- if (_gui)
- _gui->updateValue(idx, val);
- for (int i = 0; i < instances; ++i)
- pif[i]->setParam(idx, val);
- }
-
-//---------------------------------------------------------
-// activate
-//---------------------------------------------------------
-
-void PluginI::activate()
- {
- for (int i = 0; i < instances; ++i)
- pif[i]->activate();
- }
-
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