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authorDavid Robillard <d@drobilla.net>2006-06-18 19:26:53 +0000
committerDavid Robillard <d@drobilla.net>2006-06-18 19:26:53 +0000
commit36f1e2ea3d2c7d20d8fa267a3a66438044e99e8e (patch)
tree963d5a6d87204fda9d8b1cd91f8810a6582bb41f /src/libs/engine/DSSINode.h
parent00c8938a79d9e24547420d2a39421bcb7d8cc165 (diff)
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Reworked use of Plugin class in engine slightly (more RAII-ey)
git-svn-id: http://svn.drobilla.net/lad/grauph@56 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/DSSINode.h')
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diff --git a/src/libs/engine/DSSINode.h b/src/libs/engine/DSSINode.h
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * Om 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 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef DSSINODE_H
+#define DSSINODE_H
+
+#include <asoundlib.h>
+#include <dssi.h>
+#include <lo/lo.h>
+#include "LADSPANode.h"
+
+namespace Om {
+
+class MidiMessage;
+template <typename T> class InputPort;
+namespace Shared {
+ class ClientInterface;
+} using Shared::ClientInterface;
+
+
+/** An instance of a DSSI plugin.
+ */
+class DSSINode : public LADSPANode
+{
+public:
+
+ typedef map<int, string> Bank;
+
+ DSSINode(const Plugin* plugin, const string& name, size_t poly, Patch* parent, DSSI_Descriptor* descriptor, samplerate srate, size_t buffer_size);
+ ~DSSINode();
+
+ bool instantiate();
+
+ void activate();
+
+ void set_ui_url(const string& url);
+ void send_update();
+
+ void set_control(size_t port_num, sample val);
+ void configure(const string& key, const string& val);
+ void program(int bank, int program);
+
+ void run(size_t nframes);
+
+ bool update_programs(bool send_events);
+ void set_default_program();
+ const map<int, Bank>& get_programs() const;
+
+ //void send_creation_messages(ClientInterface* client) const;
+
+ const Plugin* plugin() const { return _plugin; }
+ void plugin(const Plugin* const pi) { _plugin = pi; }
+
+private:
+ // Prevent copies (undefined)
+ DSSINode(const DSSINode& copy);
+ DSSINode& operator=(const DSSINode& copy);
+
+ bool has_midi_input() const;
+
+ // DSSI GUI messages
+ void send_control(int port_num, float value);
+ void send_program(int bank, int value);
+ void send_configure(const string& key, const string& val);
+ void send_show();
+ void send_hide();
+ void send_quit();
+
+ // Conversion to ALSA MIDI events
+ void convert_events();
+
+
+ DSSI_Descriptor* _dssi_descriptor;
+
+ string _ui_url;
+ string _ui_base_path;
+ lo_address _ui_addr;
+
+ // Current values
+ int _bank;
+ int _program;
+ map<string, string> _configures;
+ map<int, Bank> _banks;
+
+ InputPort<MidiMessage>* _midi_in_port;
+ snd_seq_event_t* _alsa_events;
+ unsigned long _encoded_events;
+ snd_midi_event_t* _alsa_encoder;
+};
+
+
+} // namespace Om
+
+
+#endif // DSSINODE_H
+