moved OSC into libardour

git-svn-id: svn://localhost/trunk/ardour2@510 d708f5d6-7413-0410-9779-e7cbd77b26cf

10 files changed, 101 insertions, 63 deletions

diff --git a/libs/ardour/SConscript b/libs/ardour/SConscript
index 9bbd9bc270..9393f7f74c 100644
--- a/libs/ardour/SConscript
+++ b/libs/ardour/SConscript
@@ -54,6 +54,7 @@ ladspa_plugin.cc
 location.cc
 mtc_slave.cc
 named_selection.cc
+osc.cc
 panner.cc
 pcm_utils.cc
 playlist.cc
@@ -184,7 +185,7 @@ ardour.Merge ([
 	     libraries['pbd3'],
 	     libraries['soundtouch'],
 	     libraries['midi++2'],
-	     libraries['xslt'],
+	     libraries['lo'],
 	     ])
 
 
diff --git a/libs/ardour/ardour/ardour.h b/libs/ardour/ardour/ardour.h
index 28c5f07fce..3308266f2f 100644
--- a/libs/ardour/ardour/ardour.h
+++ b/libs/ardour/ardour/ardour.h
@@ -42,6 +42,9 @@ namespace MIDI {
 namespace ARDOUR {
 
 	class AudioEngine;
+	class OSC;
+
+	extern OSC* osc;
 
 	static const jack_nframes_t max_frames = JACK_MAX_FRAMES;
 
diff --git a/libs/ardour/ardour/basic_ui.h b/libs/ardour/ardour/basic_ui.h
index a2395f8f59..a6ab536893 100644
--- a/libs/ardour/ardour/basic_ui.h
+++ b/libs/ardour/ardour/basic_ui.h
@@ -36,7 +36,8 @@ class BasicUI {
 	void toggle_all_rec_enables ();
 
   protected:
-	ARDOUR::Session& session;
+	BasicUI ();
+	ARDOUR::Session* session;
 };
 
 #endif /* __ardour_basic_ui_h__ */
diff --git a/libs/ardour/ardour/configuration_vars.h b/libs/ardour/ardour/configuration_vars.h
index d54264c1c0..9a45fd3c7c 100644
--- a/libs/ardour/ardour/configuration_vars.h
+++ b/libs/ardour/ardour/configuration_vars.h
@@ -39,6 +39,8 @@ CONFIG_VARIABLE(uint32_t, destructive_xfade_msecs,  "destructive-xfade-msecs", 2
 CONFIG_VARIABLE(SampleFormat, native_file_data_format,  "native-file-data-format", ARDOUR::FormatFloat)
 CONFIG_VARIABLE(HeaderFormat, native_file_header_format,  "native-file-header-format", ARDOUR::WAVE)
 CONFIG_VARIABLE(bool, use_tranzport,  "use-tranzport", false)
+CONFIG_VARIABLE(uint32_t, osc_port, "osc-port", 3819)
+CONFIG_VARIABLE(bool, use_osc, "use-osc", true)
 
 /* these variables have custom set() methods */
 
diff --git a/libs/ardour/basic_ui.cc b/libs/ardour/basic_ui.cc
index 02e45ac84a..c9b3fdefac 100644
--- a/libs/ardour/basic_ui.cc
+++ b/libs/ardour/basic_ui.cc
@@ -27,7 +27,12 @@
 using namespace ARDOUR;
 
 BasicUI::BasicUI (Session& s)
-	: session (s)
+	: session (&s)
+{
+}
+
+BasicUI::BasicUI ()
+	: session (0)
 {
 }
 
@@ -39,12 +44,12 @@ BasicUI::~BasicUI ()
 void
 BasicUI::loop_toggle () 
 {
-	if (session.get_auto_loop()) {
-		session.request_auto_loop (false);
+	if (session->get_auto_loop()) {
+		session->request_auto_loop (false);
 	} else {
-		session.request_auto_loop (true);
-		if (!session.transport_rolling()) {
-			session.request_transport_speed (1.0);
+		session->request_auto_loop (true);
+		if (!session->transport_rolling()) {
+			session->request_transport_speed (1.0);
 		}
 	}
 }
@@ -52,146 +57,146 @@ BasicUI::loop_toggle ()
 void
 BasicUI::goto_start ()
 {
-	session.goto_start ();
+	session->goto_start ();
 }
 
 void
 BasicUI::goto_end ()
 {
-	session.goto_end ();
+	session->goto_end ();
 }
 
 void       
 BasicUI::add_marker ()
 {
-	jack_nframes_t when = session.audible_frame();
-	session.locations()->add (new Location (when, when, _("unnamed"), Location::IsMark));
+	jack_nframes_t when = session->audible_frame();
+	session->locations()->add (new Location (when, when, _("unnamed"), Location::IsMark));
 }
 
 void
 BasicUI::rewind ()
 {
-	session.request_transport_speed (-2.0f);
+	session->request_transport_speed (-2.0f);
 }
 
 void
 BasicUI::ffwd ()
 {
-	session.request_transport_speed (2.0f);
+	session->request_transport_speed (2.0f);
 }
 
 void
 BasicUI::transport_stop ()
 {
-	session.request_transport_speed (0.0);
+	session->request_transport_speed (0.0);
 }
 
 void
 BasicUI::transport_play ()
 {
-	bool rolling = session.transport_rolling ();
+	bool rolling = session->transport_rolling ();
 
-	if (session.get_auto_loop()) {
-		session.request_auto_loop (false);
+	if (session->get_auto_loop()) {
+		session->request_auto_loop (false);
 	} 
 
-	if (session.get_play_range ()) {
-		session.request_play_range (false);
+	if (session->get_play_range ()) {
+		session->request_play_range (false);
 	}
 	
 	if (rolling) {
-		session.request_locate (session.last_transport_start(), true);
+		session->request_locate (session->last_transport_start(), true);
 
 	}
 
-	session.request_transport_speed (1.0f);
+	session->request_transport_speed (1.0f);
 }
 
 void
 BasicUI::rec_enable_toggle ()
 {
-	switch (session.record_status()) {
+	switch (session->record_status()) {
 	case Session::Disabled:
-		if (session.ntracks() == 0) {
+		if (session->ntracks() == 0) {
 			// string txt = _("Please create 1 or more track\nbefore trying to record.\nCheck the Session menu.");
 			// MessageDialog msg (*editor, txt);
 			// msg.run ();
 			return;
 		}
-		session.maybe_enable_record ();
+		session->maybe_enable_record ();
 		break;
 	case Session::Recording:
 	case Session::Enabled:
-		session.disable_record (true);
+		session->disable_record (true);
 	}
 }
 
 void
 BasicUI::save_state ()
 {
-	session.save_state ("");
+	session->save_state ("");
 }
 
 void
 BasicUI::prev_marker ()
 {
-	Location *location = session.locations()->first_location_before (session.transport_frame());
+	Location *location = session->locations()->first_location_before (session->transport_frame());
 	
 	if (location) {
-		session.request_locate (location->start(), session.transport_rolling());
+		session->request_locate (location->start(), session->transport_rolling());
 	} else {
-		session.goto_start ();
+		session->goto_start ();
 	}
 }
 
 void
 BasicUI::next_marker ()
 {
-	Location *location = session.locations()->first_location_after (session.transport_frame());
+	Location *location = session->locations()->first_location_after (session->transport_frame());
 
 	if (location) {
-		session.request_locate (location->start(), session.transport_rolling());
+		session->request_locate (location->start(), session->transport_rolling());
 	} else {
-		session.request_locate (session.current_end_frame());
+		session->request_locate (session->current_end_frame());
 	}
 }
 
 void
 BasicUI::set_transport_speed (float speed)
 {
-	session.request_transport_speed (speed);
+	session->request_transport_speed (speed);
 }
 
 void
 BasicUI::undo ()
 {
-	session.undo (1);
+	session->undo (1);
 }
 
 void
 BasicUI::redo ()
 {
-	session.redo (1);
+	session->redo (1);
 }
 
 void
 BasicUI::toggle_all_rec_enables ()
 {
-	if (session.get_record_enabled()) {
-		session.record_disenable_all ();
+	if (session->get_record_enabled()) {
+		session->record_disenable_all ();
 	} else {
-		session.record_enable_all ();
+		session->record_enable_all ();
 	}
 }
 
 void
 BasicUI::toggle_punch_in ()
 {
-	session.set_punch_in (!session.get_punch_in());
+	session->set_punch_in (!session->get_punch_in());
 }
 
 void
 BasicUI::toggle_punch_out ()
 {
-	session.set_punch_out (!session.get_punch_out());
+	session->set_punch_out (!session->get_punch_out());
 }
diff --git a/libs/ardour/control_protocol.cc b/libs/ardour/control_protocol.cc
index 222ecbf279..2d906033ad 100644
--- a/libs/ardour/control_protocol.cc
+++ b/libs/ardour/control_protocol.cc
@@ -46,7 +46,7 @@ ControlProtocol::~ControlProtocol ()
 void
 ControlProtocol::next_track (uint32_t initial_id)
 {
-	uint32_t limit = session.nroutes();
+	uint32_t limit = session->nroutes();
 	Route* cr = route_table[0];
 	uint32_t id;
 
@@ -63,7 +63,7 @@ ControlProtocol::next_track (uint32_t initial_id)
 	}
 
 	while (id < limit) {
-		if ((cr = session.route_by_remote_id (id)) != 0) {
+		if ((cr = session->route_by_remote_id (id)) != 0) {
 			break;
 		}
 		id++;
@@ -72,7 +72,7 @@ ControlProtocol::next_track (uint32_t initial_id)
 	if (id == limit) {
 		id = 0;
 		while (id != initial_id) {
-			if ((cr = session.route_by_remote_id (id)) != 0) {
+			if ((cr = session->route_by_remote_id (id)) != 0) {
 				break;
 			}
 			id++;
@@ -85,7 +85,7 @@ ControlProtocol::next_track (uint32_t initial_id)
 void
 ControlProtocol::prev_track (uint32_t initial_id)
 {
-	uint32_t limit = session.nroutes() - 1;
+	uint32_t limit = session->nroutes() - 1;
 	Route* cr = route_table[0];
 	uint32_t id;
 
@@ -96,13 +96,13 @@ ControlProtocol::prev_track (uint32_t initial_id)
 	}
 
 	if (id == 0) {
-		id = session.nroutes() - 1;
+		id = session->nroutes() - 1;
 	} else {
 		id--;
 	}
 
 	while (id >= 0) {
-		if ((cr = session.route_by_remote_id (id)) != 0) {
+		if ((cr = session->route_by_remote_id (id)) != 0) {
 			break;
 		}
 		id--;
@@ -111,7 +111,7 @@ ControlProtocol::prev_track (uint32_t initial_id)
 	if (id < 0) {
 		id = limit;
 		while (id > initial_id) {
-			if ((cr = session.route_by_remote_id (id)) != 0) {
+			if ((cr = session->route_by_remote_id (id)) != 0) {
 				break;
 			}
 			id--;
diff --git a/libs/ardour/globals.cc b/libs/ardour/globals.cc
index a6f9d6b2e5..eb46943a43 100644
--- a/libs/ardour/globals.cc
+++ b/libs/ardour/globals.cc
@@ -47,6 +47,7 @@
 #include <ardour/utils.h>
 #include <ardour/session.h>
 #include <ardour/control_protocol_manager.h>
+#include <ardour/osc.h>
 
 #include <ardour/mix.h>
 
@@ -58,6 +59,7 @@
 
 ARDOUR::Configuration* ARDOUR::Config = 0;
 ARDOUR::AudioLibrary* ARDOUR::Library = 0;
+ARDOUR::OSC* ARDOUR::osc = 0;
 
 using namespace ARDOUR;
 using namespace std;
@@ -72,6 +74,22 @@ Change ARDOUR::PositionChanged = ARDOUR::new_change ();
 Change ARDOUR::NameChanged = ARDOUR::new_change ();
 Change ARDOUR::BoundsChanged = Change (0); // see init(), below
 
+static int
+setup_osc ()
+{
+	/* no real cost to creating this object, and it avoids
+	   conditionals anywhere that uses it 
+	*/
+	
+	osc = new OSC (Config->get_osc_port());
+	
+	if (Config->get_use_osc ()) {
+		return osc->start ();
+	} else {
+		return 0;
+	}
+}
+
 static int 
 setup_midi ()
 {
@@ -180,6 +198,10 @@ ARDOUR::init (AudioEngine& engine, bool use_vst, bool try_optimization, void (*s
 		return -1;
 	}
 
+	if (setup_osc ()) {
+		return -1;
+	}
+
 #ifdef VST_SUPPORT
 	if (Config->get_use_vst() && fst_init (sighandler)) {
 		return -1;
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 125e0387f3..4a0d119afa 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -64,7 +64,7 @@
 #include <ardour/crossfade.h>
 #include <ardour/playlist.h>
 #include <ardour/click.h>
-#include <ardour/timestamps.h>
+#include <ardour/osc.h>
 
 #include "i18n.h"
 
@@ -794,6 +794,10 @@ Session::when_engine_running ()
 
 	_engine.set_session (this);
 
+	/* and to OSC */
+
+	osc->set_session (*this);
+
 	_state_of_the_state = Clean;
 
 	DirtyChanged (); /* EMIT SIGNAL */
diff --git a/libs/surfaces/generic_midi/generic_midi_control_protocol.cc b/libs/surfaces/generic_midi/generic_midi_control_protocol.cc
index 86f8934c05..95b9d22393 100644
--- a/libs/surfaces/generic_midi/generic_midi_control_protocol.cc
+++ b/libs/surfaces/generic_midi/generic_midi_control_protocol.cc
@@ -31,7 +31,7 @@ GenericMidiControlProtocol::set_active (bool yn)
 void
 GenericMidiControlProtocol::port_change ()
 {
-	_port = session.midi_port ();
+	_port = session->midi_port ();
 }
 
 void
diff --git a/libs/surfaces/tranzport/tranzport_control_protocol.cc b/libs/surfaces/tranzport/tranzport_control_protocol.cc
index 7857744b17..5a4c4fc385 100644
--- a/libs/surfaces/tranzport/tranzport_control_protocol.cc
+++ b/libs/surfaces/tranzport/tranzport_control_protocol.cc
@@ -297,14 +297,14 @@ TranzportControlProtocol::show_meter ()
 void
 TranzportControlProtocol::show_transport_time ()
 {
-	jack_nframes_t where = session.transport_frame();
+	jack_nframes_t where = session->transport_frame();
 	
 	if (where != last_where) {
 
 		char buf[5];
 		SMPTE_Time smpte;
 
-		session.smpte_time (where, smpte);
+		session->smpte_time (where, smpte);
 		
 		if (smpte.negative) {
 			sprintf (buf, "-%02ld:", smpte.hours);
@@ -698,25 +698,25 @@ TranzportControlProtocol::update_state ()
 
 	/* global */
 
-	if (session.get_auto_loop()) {
+	if (session->get_auto_loop()) {
 		pending_lights[LightLoop] = true;
 	} else {
 		pending_lights[LightLoop] = false;
 	}
 
-	if (session.get_punch_in() || session.get_punch_out()) {
+	if (session->get_punch_in() || session->get_punch_out()) {
 		pending_lights[LightPunch] = true;
 	} else {
 		pending_lights[LightPunch] = false;
 	}
 
-	if (session.get_record_enabled()) {
+	if (session->get_record_enabled()) {
 		pending_lights[LightRecord] = true;
 	} else {
 		pending_lights[LightRecord] = false;
 	}
 
-	if (session.soloing ()) {
+	if (session->soloing ()) {
 		pending_lights[LightAnysolo] = true;
 	} else {
 		pending_lights[LightAnysolo] = false;
@@ -1037,7 +1037,7 @@ TranzportControlProtocol::button_event_tracksolo_press (bool shifted)
 	}
 
 	if (shifted) {
-		session.set_all_solo (!session.soloing());
+		session->set_all_solo (!session->soloing());
 	} else {
 		route_set_soloed (0, !route_get_soloed (0));
 	}
@@ -1357,16 +1357,16 @@ void
 TranzportControlProtocol::shuttle ()
 {
 	if (_datawheel < WheelDirectionThreshold) {
-		if (session.transport_speed() < 0) {
-			session.request_transport_speed (1.0);
+		if (session->transport_speed() < 0) {
+			session->request_transport_speed (1.0);
 		} else {
-			session.request_transport_speed (session.transport_speed() + 0.1);
+			session->request_transport_speed (session->transport_speed() + 0.1);
 		}
 	} else {
-		if (session.transport_speed() > 0) {
-			session.request_transport_speed (-1.0);
+		if (session->transport_speed() > 0) {
+			session->request_transport_speed (-1.0);
 		} else {
-			session.request_transport_speed (session.transport_speed() - 0.1);
+			session->request_transport_speed (session->transport_speed() - 0.1);
 		}
 	}
 }