(native) Linux VST support from LinuxDSP

git-svn-id: svn://localhost/ardour2/branches/3.0@10101 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 123 insertions, 0 deletions

diff --git a/libs/ardour/ardour/lxvst_plugin.h b/libs/ardour/ardour/lxvst_plugin.h
new file mode 100755
index 0000000000..092a786f95
--- /dev/null
+++ b/libs/ardour/ardour/lxvst_plugin.h
@@ -0,0 +1,123 @@
+/*
+    Copyright (C) 2004 Paul Davis
+
+    This program 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.
+
+    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 __ardour_lxvst_plugin_h__
+#define __ardour_lxvst_plugin_h__
+
+#include <list>
+#include <map>
+#include <set>
+#include <vector>
+#include <string>
+#include <dlfcn.h>
+
+#include "pbd/stateful.h"
+#include "ardour/plugin.h"
+
+struct _VSTFXHandle;
+struct _VSTFX;
+typedef struct _VSTFXHandle VSTFXHandle;
+typedef struct _VSTFX VSTFX;
+class AEffect;
+
+namespace ARDOUR {
+class AudioEngine;
+class Session;
+
+class LXVSTPlugin : public ARDOUR::Plugin
+{
+  public:
+	LXVSTPlugin (ARDOUR::AudioEngine&, ARDOUR::Session&, VSTFXHandle* handle);
+	LXVSTPlugin (const LXVSTPlugin &);
+	~LXVSTPlugin ();
+
+	/* Plugin interface */
+
+	std::string unique_id() const;
+	const char * label() const;
+	const char * name() const;
+	const char * maker() const;
+	uint32_t parameter_count() const;
+	float default_value (uint32_t port);
+	framecnt_t signal_latency() const;
+	void set_parameter (uint32_t port, float val);
+	float get_parameter (uint32_t port) const;
+	int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
+	std::set<Evoral::Parameter> automatable() const;
+	uint32_t nth_parameter (uint32_t port, bool& ok) const;
+	void activate ();
+	void deactivate ();
+	int set_block_size (pframes_t);
+
+	int connect_and_run (BufferSet&,
+			ChanMapping in, ChanMapping out,
+			pframes_t nframes, framecnt_t offset);
+
+	std::string describe_parameter (Evoral::Parameter);
+	std::string state_node_name() const { return "lxvst"; }
+	void print_parameter (uint32_t, char*, uint32_t len) const;
+
+	bool parameter_is_audio(uint32_t i) const { return false; }
+	bool parameter_is_control(uint32_t i) const { return true; }
+	bool parameter_is_input(uint32_t i) const { return true; }
+	bool parameter_is_output(uint32_t i) const { return false; }
+
+	bool load_preset (PresetRecord);
+	int first_user_preset_index () const;
+
+	bool has_editor () const;
+
+	int set_state (XMLNode const &, int);
+
+	AEffect * plugin () const { return _plugin; }
+	VSTFX * vstfx () const { return _vstfx; }
+
+private:
+
+	void do_remove_preset (std::string name);
+	std::string do_save_preset (std::string name);
+	gchar* get_chunk (bool) const;
+	int set_chunk (gchar const *, bool);
+	XMLTree * presets_tree () const;
+	std::string presets_file () const;
+	void find_presets ();
+	bool load_user_preset (PresetRecord);
+	bool load_plugin_preset (PresetRecord);
+	void add_state (XMLNode *) const;
+
+	VSTFXHandle* handle;
+	VSTFX*       _vstfx;
+	AEffect*   _plugin;
+	bool        been_resumed;
+};
+
+class LXVSTPluginInfo : public PluginInfo
+{
+  public:
+	LXVSTPluginInfo ();
+	~LXVSTPluginInfo () {}
+
+	PluginPtr load (Session& session);
+};
+
+typedef boost::shared_ptr<LXVSTPluginInfo> LXVSTPluginInfoPtr;
+
+} // namespace ARDOUR
+
+#endif /* __ardour_lxvst_plugin_h__ */