libardour added.

git-svn-id: svn://localhost/trunk/ardour2@17 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 142 insertions, 0 deletions

diff --git a/libs/ardour/ardour/ladspa_plugin.h b/libs/ardour/ardour/ladspa_plugin.h
new file mode 100644
index 0000000000..2451953ce5
--- /dev/null
+++ b/libs/ardour/ardour/ladspa_plugin.h
@@ -0,0 +1,142 @@
+/*
+    Copyright (C) 2000 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.
+
+    $Id$
+*/
+
+#ifndef __ardour_ladspa_plugin_h__
+#define __ardour_ladspa_plugin_h__
+
+#include <list>
+#include <set>
+#include <vector>
+#include <string>
+#include <dlfcn.h>
+
+#include <midi++/controllable.h>
+#include <sigc++/signal.h>
+
+#include <jack/types.h>
+#include <ardour/ladspa.h>
+#include <ardour/stateful.h>
+#include <ardour/plugin_state.h>
+#include <ardour/plugin.h>
+#include <ardour/ladspa_plugin.h>
+
+using std::string;
+using std::vector;
+using std::list;
+
+namespace ARDOUR {
+class AudioEngine;
+class Session;
+
+class LadspaPlugin : public ARDOUR::Plugin
+{
+  public:
+	LadspaPlugin (void *module, ARDOUR::AudioEngine&, ARDOUR::Session&, uint32_t index, jack_nframes_t sample_rate);
+	LadspaPlugin (const LadspaPlugin &);
+	~LadspaPlugin ();
+
+	/* Plugin interface */
+	
+	uint32_t unique_id() const                       { return descriptor->UniqueID; }
+	const char * label() const                       { return descriptor->Label; }
+	const char * name() const                        { return descriptor->Name; }
+	const char * maker() const                       { return descriptor->Maker; }
+	uint32_t parameter_count() const                 { return descriptor->PortCount; }
+	float default_value (uint32_t port);
+	jack_nframes_t 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<uint32_t> automatable() const;
+	uint32_t nth_parameter (uint32_t port, bool& ok) const;
+	void activate () { 
+		if (descriptor->activate) {
+			descriptor->activate (handle);
+		}
+		was_activated = true;
+	}
+	void deactivate () {
+		if (descriptor->deactivate) 
+			descriptor->deactivate (handle);
+	}
+	void cleanup () {
+		if (was_activated && descriptor->cleanup) {
+			descriptor->cleanup (handle);
+		}
+	}
+	void set_block_size (jack_nframes_t nframes) {}
+	
+	int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, jack_nframes_t nframes, jack_nframes_t offset);
+	void store_state (ARDOUR::PluginState&);
+	void restore_state (ARDOUR::PluginState&);
+	string describe_parameter (uint32_t);
+	string state_node_name() const { return "ladspa"; }
+	void print_parameter (uint32_t, char*, uint32_t len) const;
+
+	bool parameter_is_audio(uint32_t) const;
+	bool parameter_is_control(uint32_t) const;
+	bool parameter_is_input(uint32_t) const;
+	bool parameter_is_output(uint32_t) const;
+	bool parameter_is_toggled(uint32_t) const;
+
+	XMLNode& get_state();
+	int set_state(const XMLNode& node);
+	bool save_preset(string name);
+
+	bool has_editor() const { return false; }
+
+	int require_output_streams (uint32_t);
+	
+	/* LADSPA extras */
+
+	LADSPA_Properties properties() const             { return descriptor->Properties; }
+	uint32_t index() const                      { return _index; }
+	const char * copyright() const                   { return descriptor->Copyright; }
+	LADSPA_PortDescriptor port_descriptor(uint32_t i) const { return descriptor->PortDescriptors[i]; }
+	const LADSPA_PortRangeHint * port_range_hints() const { return descriptor->PortRangeHints; }
+	const char * const * port_names() const          { return descriptor->PortNames; }
+	void set_gain (float gain) {
+		descriptor->set_run_adding_gain (handle, gain);
+	}
+	void run_adding (uint32_t nsamples) {
+		descriptor->run_adding (handle, nsamples);
+	}
+	void connect_port (uint32_t port, float *ptr) {
+		descriptor->connect_port (handle, port, ptr);
+	}
+
+  private:
+	void                    *module;
+	const LADSPA_Descriptor *descriptor;
+	LADSPA_Handle            handle;
+	jack_nframes_t           sample_rate;
+	LADSPA_Data             *control_data;
+	LADSPA_Data             *shadow_data;
+	LADSPA_Data             *latency_control_port;
+	uint32_t                _index;
+	bool                     was_activated;
+
+	void init (void *mod, uint32_t index, jack_nframes_t rate);
+	void run (jack_nframes_t nsamples);
+	void latency_compute_run ();
+};
+}
+
+#endif /* __ardour_ladspa_plugin_h__ */