#include <boost/shared_ptr.hpp>
#include <string>
+#include <set>
#include "pbd/statefuldestructible.h"
#include "pbd/controllable.h"
class BufferSet;
class PluginInsert;
class Plugin;
+class PluginInfo;
+class AutomationControl;
typedef boost::shared_ptr<Plugin> PluginPtr;
-
-class LIBARDOUR_API PluginInfo {
- public:
- PluginInfo () { }
- virtual ~PluginInfo () { }
-
- std::string name;
- std::string category;
- std::string creator;
- std::string path;
- ChanCount n_inputs;
- ChanCount n_outputs;
- ARDOUR::PluginType type;
-
- std::string unique_id;
-
- virtual PluginPtr load (Session& session) = 0;
- virtual bool is_instrument() const;
-
- /* NOTE: this block of virtual methods looks like the interface
- to a Processor, but Plugin does not inherit from Processor.
- It is therefore not required that these precisely match
- the interface, but it is likely that they will evolve together.
- */
-
- /* this returns true if the plugin can change its inputs or outputs on demand.
- LADSPA, LV2 and VST plugins cannot do this. AudioUnits can.
- */
-
- virtual bool reconfigurable_io() const { return false; }
-
- protected:
- friend class PluginManager;
- uint32_t index;
-};
-
typedef boost::shared_ptr<PluginInfo> PluginInfoPtr;
typedef std::list<PluginInfoPtr> PluginInfoList;
-
+typedef std::set<uint32_t> PluginOutputConfiguration;
+
+/** A plugin is an external module (usually 3rd party provided) loaded into Ardour
+ * for the purpose of digital signal processing.
+ *
+ * This class provides an abstraction for methords provided by
+ * all supported plugin standards such as presets, name, parameters etc.
+ *
+ * Plugins are not used directly in Ardour but always wrapped by a PluginInsert.
+ */
class LIBARDOUR_API Plugin : public PBD::StatefulDestructible, public Latent
{
public:
virtual int set_state (const XMLNode &, int version);
virtual void set_insert_id (PBD::ID id) {}
+ virtual void set_state_dir (const std::string& d = "") {}
virtual std::string unique_id() const = 0;
virtual const char * label() const = 0;
virtual void flush () { deactivate(); activate(); }
virtual int set_block_size (pframes_t nframes) = 0;
+ virtual bool requires_fixed_sized_buffers() const { return false; }
+ virtual bool inplace_broken() const { return false; }
virtual int connect_and_run (BufferSet& bufs,
ChanMapping in, ChanMapping out,
virtual bool parameter_is_input(uint32_t) const = 0;
virtual bool parameter_is_output(uint32_t) const = 0;
+ struct LIBARDOUR_API IOPortDescription {
+ public:
+ IOPortDescription (const std::string& n)
+ : name (n)
+ , is_sidechain (false)
+ {}
+ IOPortDescription (const IOPortDescription &other)
+ : name (other.name)
+ , is_sidechain (other.is_sidechain)
+ {}
+ std::string name;
+ bool is_sidechain;
+ };
+
+ virtual IOPortDescription describe_io_port (DataType dt, bool input, uint32_t id) const;
+ virtual PluginOutputConfiguration possible_output () const;
+
+ virtual void set_automation_control (uint32_t /*port_index*/, boost::shared_ptr<ARDOUR::AutomationControl>) { }
+
virtual boost::shared_ptr<ScalePoints> get_scale_points(uint32_t /*port_index*/) const {
return boost::shared_ptr<ScalePoints>();
}
void realtime_locate ();
void monitoring_changed ();
+ typedef struct {
+ unsigned char *data;
+ int width;
+ int height;
+ int stride;
+ } Display_Image_Surface;
+
+ virtual bool has_inline_display () { return false; }
+ virtual Display_Image_Surface* render_inline_display (uint32_t, uint32_t) { return NULL; }
+ PBD::Signal0<void> QueueDraw;
+
struct PresetRecord {
- PresetRecord () : number (-1), user (true) {}
- PresetRecord (const std::string& u, const std::string& l, int n = -1, bool s = true) : uri (u), label (l), number (n), user (s) {}
+ PresetRecord () : valid (false) {}
+ PresetRecord (const std::string& u, const std::string& l, bool s = true) : uri (u), label (l), user (s), valid (true) {}
bool operator!= (PresetRecord const & a) const {
- return number != a.number || uri != a.uri || label != a.label;
+ return uri != a.uri || label != a.label;
}
std::string uri;
std::string label;
- int number; // if <0, invalid
bool user;
+ bool valid;
};
PresetRecord save_preset (std::string);
return 0;
}
+ /** Emitted when a Latency Changes
+ *
+ * (this cannot be part of ARDOUR::Latent because
+ * signals cannot be copy-constructed).
+ */
+ PBD::Signal2<void,framecnt_t, framecnt_t> LatencyChanged;
+
+ /* overload Latent::set_user_latency w/signal emission */
+ virtual void set_user_latency (framecnt_t val) {
+ bool changed = val != _user_latency;
+ framecnt_t old = effective_latency ();
+ _user_latency = val;
+ if (changed) {
+ LatencyChanged (old, effective_latency ()); /* EMIT SIGNAL */
+ }
+ }
+
+ /** the max possible latency a plugin will have */
+ virtual framecnt_t max_latency () const { return 0; } // TODO = 0, require implementation
+
/** Emitted when a preset is added or removed, respectively */
PBD::Signal0<void> PresetAdded;
PBD::Signal0<void> PresetRemoved;
+ /** Emitted when any preset has been changed */
+ static PBD::Signal2<void, std::string, Plugin*> PresetsChanged;
+
/** Emitted when a preset has been loaded */
PBD::Signal0<void> PresetLoaded;
+ /** Emitted when a parameter is altered in a way that may have
+ * changed the settings with respect to any loaded preset.
+ */
+ PBD::Signal0<void> PresetDirty;
+
virtual bool has_editor () const = 0;
- /** Emitted when any parameter changes */
- PBD::Signal2<void, uint32_t, float> ParameterChanged;
+ /** Emitted when a parameter is altered by something outside of our
+ * control, most typically a Plugin GUI/editor
+ */
+ PBD::Signal2<void, uint32_t, float> ParameterChangedExternally;
virtual bool configure_io (ChanCount /*in*/, ChanCount /*out*/) { return true; }
/* specific types of plugins can overload this. As of September 2008, only
AUPlugin does this.
*/
- virtual bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/) { return false; }
+ virtual bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/, ChanCount* imprecise = 0) { return false; }
virtual ChanCount output_streams() const;
virtual ChanCount input_streams() const;
protected:
friend class PluginInsert;
+ friend class Session;
+ /* Called when a parameter of the plugin is changed outside of this
+ * host's control (typical via a plugin's own GUI/editor)
+ */
+ void parameter_changed_externally (uint32_t which, float val);
+
+ /* should be overridden by plugin API specific derived types to
+ * actually implement changing the parameter. The derived type should
+ * call this after the change is made.
+ */
virtual void set_parameter (uint32_t which, float val);
- virtual void set_parameter_automated (uint32_t which, float val);
/** Do the actual saving of the current plugin settings to a preset of the provided name.
* Should return a URI on success, or an empty string on failure.
/** Fill _presets with our presets */
virtual void find_presets () = 0;
+ void update_presets (std::string src_unique_id, Plugin* src );
+
/** Add state to an existing XMLNode */
virtual void add_state (XMLNode *) const = 0;
PresetRecord _last_preset;
bool _parameter_changed_since_last_preset;
+ PBD::ScopedConnection _preset_connection;
+
void resolve_midi ();
};
+struct PluginPreset {
+ PluginInfoPtr _pip;
+ Plugin::PresetRecord _preset;
+
+ PluginPreset (PluginInfoPtr pip, const Plugin::PresetRecord *preset = NULL)
+ : _pip (pip)
+ {
+ if (preset) {
+ _preset.uri = preset->uri;
+ _preset.label = preset->label;
+ _preset.user = preset->user;
+ _preset.valid = preset->valid;
+ }
+ }
+};
+
+typedef boost::shared_ptr<PluginPreset> PluginPresetPtr;
+typedef std::list<PluginPresetPtr> PluginPresetList;
+
PluginPtr find_plugin(ARDOUR::Session&, std::string unique_id, ARDOUR::PluginType);
+class LIBARDOUR_API PluginInfo {
+ public:
+ PluginInfo () { }
+ virtual ~PluginInfo () { }
+
+ std::string name;
+ std::string category;
+ std::string creator;
+ std::string path;
+ ChanCount n_inputs;
+ ChanCount n_outputs;
+ ARDOUR::PluginType type;
+
+ std::string unique_id;
+
+ virtual PluginPtr load (Session& session) = 0;
+ virtual bool is_instrument() const;
+ virtual bool needs_midi_input() const { return is_instrument (); }
+ virtual bool in_category (const std::string &) const { return false; }
+
+ virtual std::vector<Plugin::PresetRecord> get_presets (bool user_only) const = 0;
+
+ /* NOTE: this block of virtual methods looks like the interface
+ to a Processor, but Plugin does not inherit from Processor.
+ It is therefore not required that these precisely match
+ the interface, but it is likely that they will evolve together.
+ */
+
+ /* this returns true if the plugin can change its inputs or outputs on demand.
+ LADSPA, LV2 and VST plugins cannot do this. AudioUnits can.
+ */
+
+ virtual bool reconfigurable_io() const { return false; }
+
+ protected:
+ friend class PluginManager;
+ uint32_t index;
+};
+
} // namespace ARDOUR
#endif /* __ardour_plugin_h__ */
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