diff options
Diffstat (limited to 'muse_qt4_evolution/muse/plugin.h')
| -rw-r--r-- | muse_qt4_evolution/muse/plugin.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/plugin.h b/muse_qt4_evolution/muse/plugin.h new file mode 100644 index 00000000..c01a1f18 --- /dev/null +++ b/muse_qt4_evolution/muse/plugin.h @@ -0,0 +1,218 @@ +//============================================================================= +// 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. +//============================================================================= + +#ifndef __PLUGIN_H__ +#define __PLUGIN_H__ + +#include "ladspa.h" +#include "globals.h" + +namespace AL { + class Xml; + }; +using AL::Xml; + +class PluginIF; +class PluginGui; +class PluginI; +class LadspaPluginIF; +class AudioTrack; +class Ctrl; + +#define AUDIO_IN (LADSPA_PORT_AUDIO | LADSPA_PORT_INPUT) +#define AUDIO_OUT (LADSPA_PORT_AUDIO | LADSPA_PORT_OUTPUT) + +//--------------------------------------------------------- +// Plugin +//--------------------------------------------------------- + +class Plugin { + + protected: + int _instances; + QFileInfo fi; + + public: + Plugin(const QFileInfo* f); + virtual ~Plugin() {} + + int instances() const { return _instances; } + virtual void incInstances(int val) { _instances += val; } + + QString lib() const { return fi.baseName(); } + QString path() const { return fi.absolutePath(); } + + virtual QString label() const { return QString(); } + virtual QString name() const { return QString(); } + virtual unsigned long id() const { return 0; } + virtual QString maker() const { return QString(); } + virtual QString copyright() const { return QString(); } + + virtual PluginIF* createPIF(PluginI*) = 0; + + virtual void range(int, double* min, double* max) const { + *min = 0.0f; + *max = 1.0f; + } + + virtual int parameter() const { return 0; } + virtual int inports() const { return 0; } + virtual int outports() const { return 0; } + + virtual bool inPlaceCapable() const { return false; } + + virtual bool isLog(int) const { return false; } + virtual bool isBool(int) const { return false; } + virtual bool isInt(int) const { return false; } + virtual double defaultValue(int) const { return 0.0f; } + }; + +//--------------------------------------------------------- +// PluginList +//--------------------------------------------------------- + +typedef std::list<Plugin*>::iterator iPlugin; + +class PluginList : public std::list<Plugin*> { + public: + Plugin* find(const QString&, const QString&); + PluginList() {} + }; + +//--------------------------------------------------------- +// PluginIF +// plugin instance interface +//--------------------------------------------------------- + +class PluginIF { + protected: + PluginI* pluginI; + + public: + PluginIF(PluginI* pi) { pluginI = pi; } + virtual ~PluginIF() {} + + PluginI* pluginInstance() { return pluginI; } + const PluginI* pluginInstance() const { return pluginI; } + + virtual void apply(unsigned nframes, float** src, float** dst) = 0; + virtual void activate() = 0; + virtual void deactivate() = 0; + virtual void cleanup() = 0; + virtual void setParam(int i, double val) = 0; + virtual float param(int i) const = 0; + virtual const char* getParameterName(int) const { return ""; } + virtual const char* getParameterLabel(int) const { return 0; } + virtual const char* getParameterDisplay(int, float) const { return 0; } + virtual bool hasGui() const { return false; } + virtual bool guiVisible() const { return false; } + virtual void showGui(bool) {} + }; + +//--------------------------------------------------------- +// PluginI +// plugin instance +//--------------------------------------------------------- + +class PluginI { + Plugin* _plugin; + AudioTrack* _track; + + int instances; + PluginIF** pif; + + int _channel; + + PluginGui* _gui; + bool _on; + + QString _name; + QString _label; + + std::vector<Ctrl*> controllerList; + + void makeGui(); + + protected: + bool initControlValues; + friend class LadspaPluginIF; + + public: + PluginI(AudioTrack*); + ~PluginI(); + + Plugin* plugin() const { return _plugin; } + bool on() const { return _on; } + void setOn(bool val) { _on = val; } + PluginGui* gui() const { return _gui; } + + bool initPluginInstance(Plugin*, int channels); + void setChannels(int); + int channel() const { return _channel; } + void apply(unsigned nframes, int ports, float** b1, float** b2); + + void activate(); + void deactivate(); + QString label() const { return _label; } + QString name() const { return _name; } + QString lib() const { return _plugin->lib(); } + + AudioTrack* track() const { return _track; } + + void writeConfiguration(Xml&, bool); + void writeConfiguration1(Xml&, bool); // without end tag! + bool readConfiguration(QDomNode, bool*); + + void showGui(); + void showGui(bool); + bool guiVisible() const; + + bool hasNativeGui() const { return pif[0]->hasGui(); } + void showNativeGui(bool f) { return pif[0]->showGui(f); } + bool nativeGuiVisible() const { return pif[0]->guiVisible(); } + + void setControllerList(Ctrl* cl) { controllerList.push_back(cl); } + Ctrl* controller(int idx) const { return controllerList[idx]; } + bool setParameter(const QString& s, double val); + void setParam(int i, double val); + double param(int i) const { return pif[0]->param(i); } + + const char* getParameterName(int i) const { return pif[0]->getParameterName(i); } + const char* getParameterLabel(int i) const { return pif[0]->getParameterLabel(i); } + const char* getParameterDisplay(int i, float v) const { return pif[0]->getParameterDisplay(i, v); } + + void range(int i, double* min, double* max) const { + _plugin->range(i, min, max); + } + double defaultValue(int i) const { return _plugin->defaultValue(i); } + bool inPlaceCapable() const { return _plugin->inPlaceCapable(); } + + bool isLog(int k) const { return _plugin->isLog(k); } + bool isBool(int k) const { return _plugin->isBool(k); } + bool isInt(int k) const { return _plugin->isInt(k); } + + PluginIF* pluginIF(int idx) { return pif[idx]; } + }; + +extern void initPlugins(); +extern PluginList plugins; + +#endif + |