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/*
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 ();
}
}
}
#undef DEBUG_LATENCY
#ifdef DEBUG_LATENCY
cerr << _name << ": internal redirect (final) latency = " << _own_latency << endl;
#endif
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);
}
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