rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 224 insertions, 0 deletions

diff --git a/libs/ardour/track.cc b/libs/ardour/track.cc
new file mode 100644
index 0000000000..052105cc85
--- /dev/null
+++ b/libs/ardour/track.cc
@@ -0,0 +1,224 @@
+/*
+    Copyright (C) 2006 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.
+*/
+#include <pbd/error.h>
+#include <sigc++/retype.h>
+#include <sigc++/retype_return.h>
+#include <sigc++/bind.h>
+
+#include <ardour/track.h>
+#include <ardour/diskstream.h>
+#include <ardour/session.h>
+#include <ardour/io_processor.h>
+#include <ardour/audioregion.h>
+#include <ardour/audiosource.h>
+#include <ardour/route_group_specialized.h>
+#include <ardour/processor.h>
+#include <ardour/audioplaylist.h>
+#include <ardour/panner.h>
+#include <ardour/utils.h>
+
+#include "i18n.h"
+
+using namespace std;
+using namespace ARDOUR;
+using namespace PBD;
+
+Track::Track (Session& sess, string name, Route::Flag flag, TrackMode mode, DataType default_type)
+	: Route (sess, name, 1, -1, -1, -1, flag, default_type)
+	, _rec_enable_control (new RecEnableControllable(*this))
+{
+	_declickable = true;
+	_freeze_record.state = NoFreeze;
+	_saved_meter_point = _meter_point;
+	_mode = mode;
+}
+
+Track::Track (Session& sess, const XMLNode& node, DataType default_type)
+	: Route (sess, node)
+	, _rec_enable_control (new RecEnableControllable(*this))
+{
+	_freeze_record.state = NoFreeze;
+	_declickable = true;
+	_saved_meter_point = _meter_point;
+}
+
+Track::~Track ()
+{
+}
+
+void
+Track::set_meter_point (MeterPoint p, void *src)
+{
+	Route::set_meter_point (p, src);
+}
+
+XMLNode&
+Track::get_state ()
+{
+	return state (true);
+}
+
+XMLNode&
+Track::get_template ()
+{
+	return state (false);
+}
+
+void
+Track::toggle_monitor_input ()
+{
+	for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
+		i->ensure_monitor_input(!i->monitoring_input());
+	}
+}
+
+ARDOUR::nframes_t
+Track::update_total_latency ()
+{
+	nframes_t old = _own_latency;
+
+	if (_user_latency) {
+		_own_latency = _user_latency;
+	} else {
+		_own_latency = 0;
+
+		for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+			if ((*i)->active ()) {
+				_own_latency += (*i)->signal_latency ();
+			}
+		}
+	}
+
+	set_port_latency (_own_latency);
+
+	if (old != _own_latency) {
+		signal_latency_changed (); /* EMIT SIGNAL */
+	}
+
+	return _own_latency;
+}
+
+Track::FreezeRecord::~FreezeRecord ()
+{
+	for (vector<FreezeRecordProcessorInfo*>::iterator i = processor_info.begin(); i != processor_info.end(); ++i) {
+		delete *i;
+	}
+}
+
+Track::FreezeState
+Track::freeze_state() const
+{
+	return _freeze_record.state;
+}
+
+Track::RecEnableControllable::RecEnableControllable (Track& s)
+	: Controllable (X_("recenable")), track (s)
+{
+}
+
+void
+Track::RecEnableControllable::set_value (float val)
+{
+	bool bval = ((val >= 0.5f) ? true: false);
+	track.set_record_enable (bval, this);
+}
+
+float
+Track::RecEnableControllable::get_value (void) const
+{
+	if (track.record_enabled()) { return 1.0f; }
+	return 0.0f;
+}
+
+bool
+Track::record_enabled () const
+{
+	return _diskstream->record_enabled ();
+}
+
+bool
+Track::can_record()
+{
+	bool will_record = true;
+	for (PortSet::iterator i = _inputs.begin(); i != _inputs.end() && will_record; ++i) {
+		if (!i->connected())
+			will_record = false;
+	}
+
+	return will_record;
+}
+	
+void
+Track::set_record_enable (bool yn, void *src)
+{
+	if (_freeze_record.state == Frozen) {
+		return;
+	}
+
+	if (_mix_group && src != _mix_group && _mix_group->is_active()) {
+		_mix_group->apply (&Track::set_record_enable, yn, _mix_group);
+		return;
+	}
+
+	/* keep track of the meter point as it was before we rec-enabled */
+	if (!_diskstream->record_enabled()) {
+		_saved_meter_point = _meter_point;
+	}
+	
+	_diskstream->set_record_enabled (yn);
+
+	if (_diskstream->record_enabled()) {
+		set_meter_point (MeterInput, this);
+	} else {
+		set_meter_point (_saved_meter_point, this);
+	}
+
+	_rec_enable_control->Changed ();
+}
+
+
+bool
+Track::set_name (const string& str)
+{
+	bool ret;
+
+	if (record_enabled() && _session.actively_recording()) {
+		/* this messes things up if done while recording */
+		return false;
+	}
+
+	if (_diskstream->set_name (str)) {
+		return false;
+	}
+
+	/* save state so that the statefile fully reflects any filename changes */
+
+	if ((ret = IO::set_name (str)) == 0) {
+		_session.save_state ("");
+	}
+
+	return ret;
+}
+
+void
+Track::set_latency_delay (nframes_t longest_session_latency)
+{
+	Route::set_latency_delay (longest_session_latency);
+	_diskstream->set_roll_delay (_roll_delay);
+}
+