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livetrax/libs/ardour/region_factory.cc
Paul Davis 51693a3a58 tracing and small fixes to improve object destruction pathways
git-svn-id: svn://localhost/ardour2/branches/3.0@6195 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-11-28 00:49:04 +00:00

235 lines
7.5 KiB
C++

/*
Copyright (C) 2000-2006 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 "pbd/boost_debug.h"
#include "ardour/session.h"
#include "ardour/region_factory.h"
#include "ardour/region.h"
#include "ardour/audioregion.h"
#include "ardour/audiosource.h"
#include "ardour/midi_source.h"
#include "ardour/midi_region.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
sigc::signal<void,boost::shared_ptr<Region> > RegionFactory::CheckNewRegion;
boost::shared_ptr<Region>
RegionFactory::create (boost::shared_ptr<Region> region, nframes_t start,
nframes_t length, const std::string& name,
layer_t layer, Region::Flag flags, bool announce)
{
boost::shared_ptr<const AudioRegion> other_a;
boost::shared_ptr<const MidiRegion> other_m;
if ((other_a = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
AudioRegion* ar = new AudioRegion (other_a, start, length, name, layer, flags);
boost_debug_shared_ptr_mark_interesting (ar, typeid (ar).name());
boost::shared_ptr<AudioRegion> arp (ar);
boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
ret->unlock_property_changes ();
if (announce) {
CheckNewRegion (ret);
}
return ret;
} else if ((other_m = boost::dynamic_pointer_cast<MidiRegion>(region)) != 0) {
MidiRegion* ar = new MidiRegion (other_m, start, length, name, layer, flags);
boost::shared_ptr<MidiRegion> arp (ar);
boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
ret->unlock_property_changes ();
if (announce) {
CheckNewRegion (ret);
}
return ret;
} else {
fatal << _("programming error: RegionFactory::create() called with unknown Region type")
<< endmsg;
/*NOTREACHED*/
return boost::shared_ptr<Region>();
}
}
boost::shared_ptr<Region>
RegionFactory::create (boost::shared_ptr<const Region> region)
{
boost::shared_ptr<const AudioRegion> ar;
boost::shared_ptr<const MidiRegion> mr;
if ((ar = boost::dynamic_pointer_cast<const AudioRegion>(region)) != 0) {
AudioRegion* arn = new AudioRegion (ar);
boost_debug_shared_ptr_mark_interesting (arn, typeid (arn).name());
boost::shared_ptr<Region> ret (arn);
ret->unlock_property_changes ();
/* pure copy constructor - no CheckNewRegion emitted */
return ret;
} else if ((mr = boost::dynamic_pointer_cast<const MidiRegion>(region)) != 0) {
boost::shared_ptr<Region> ret (new MidiRegion (mr));
ret->unlock_property_changes ();
/* pure copy constructor - no CheckNewRegion emitted */
return ret;
} else {
fatal << _("programming error: RegionFactory::create() called with unknown Region type")
<< endmsg;
/*NOTREACHED*/
return boost::shared_ptr<Region>();
}
}
boost::shared_ptr<Region>
RegionFactory::create (boost::shared_ptr<AudioRegion> region, nframes_t start,
nframes_t length, const std::string& name,
layer_t layer, Region::Flag flags, bool announce)
{
return create (boost::static_pointer_cast<Region> (region), start, length, name, layer, flags, announce);
}
boost::shared_ptr<Region>
RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs,
const std::string& name, layer_t layer, Region::Flag flags, bool announce)
{
boost::shared_ptr<const AudioRegion> other;
/* used by AudioFilter when constructing a new region that is intended to have nearly
identical settings to an original, but using different sources.
*/
if ((other = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
AudioRegion* ar = new AudioRegion (other, srcs, srcs.front()->length(srcs.front()->timeline_position()), name, layer, flags);
boost_debug_shared_ptr_mark_interesting (ar, typeid (ar).name());
boost::shared_ptr<AudioRegion> arp (ar);
boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
ret->unlock_property_changes ();
if (announce) {
CheckNewRegion (ret);
}
return ret;
} else {
fatal << _("programming error: RegionFactory::create() called with unknown Region type")
<< endmsg;
/*NOTREACHED*/
return boost::shared_ptr<Region>();
}
}
boost::shared_ptr<Region>
RegionFactory::create (Session& session, XMLNode& node, bool yn)
{
boost::shared_ptr<Region> r = session.XMLRegionFactory (node, yn);
if (r) {
r->unlock_property_changes ();
CheckNewRegion (r);
}
return r;
}
boost::shared_ptr<Region>
RegionFactory::create (const SourceList& srcs, nframes_t start, nframes_t length, const string& name, layer_t layer, Region::Flag flags, bool announce)
{
if (srcs.empty()) {
return boost::shared_ptr<Region>();
}
if (srcs[0]->type() == DataType::AUDIO) {
AudioRegion* ar = new AudioRegion (srcs, start, length, name, layer, flags);
boost_debug_shared_ptr_mark_interesting (ar, typeid (ar).name());
boost::shared_ptr<AudioRegion> arp (ar);
boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
ret->unlock_property_changes ();
if (announce) {
CheckNewRegion (ret);
}
return ret;
} else if (srcs[0]->type() == DataType::MIDI) {
MidiRegion* ar = new MidiRegion (srcs, start, length, name, layer, flags);
boost::shared_ptr<MidiRegion> mrp (ar);
boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (mrp));
ret->unlock_property_changes ();
if (announce) {
CheckNewRegion (ret);
}
return ret;
}
return boost::shared_ptr<Region> ();
}
boost::shared_ptr<Region>
RegionFactory::create (SourceList& srcs, const XMLNode& node)
{
if (srcs.empty()) {
return boost::shared_ptr<Region>();
}
if (srcs[0]->type() == DataType::AUDIO) {
AudioRegion* ar = new AudioRegion (srcs, node);
boost_debug_shared_ptr_mark_interesting (ar, typeid (ar).name());
boost::shared_ptr<Region> ret (ar);
ret->unlock_property_changes ();
CheckNewRegion (ret);
return ret;
} else if (srcs[0]->type() == DataType::MIDI) {
boost::shared_ptr<Region> ret (new MidiRegion (srcs, node));
ret->unlock_property_changes ();
CheckNewRegion (ret);
return ret;
}
return boost::shared_ptr<Region> ();
}
boost::shared_ptr<Region>
RegionFactory::create (boost::shared_ptr<Source> src, nframes_t start, nframes_t length, const string& name, layer_t layer, Region::Flag flags, bool announce)
{
boost::shared_ptr<AudioSource> as;
boost::shared_ptr<MidiSource> ms;
if ((as = boost::dynamic_pointer_cast<AudioSource>(src)) != 0) {
AudioRegion* ar = new AudioRegion (as, start, length, name, layer, flags);
boost_debug_shared_ptr_mark_interesting (ar, typeid (ar).name());
boost::shared_ptr<Region> ret (ar);
ret->unlock_property_changes ();
if (announce) {
CheckNewRegion (ret);
}
return ret;
} else if ((ms = boost::dynamic_pointer_cast<MidiSource>(src)) != 0) {
boost::shared_ptr<Region> ret (new MidiRegion (ms, start, length, name, layer, flags));
ret->unlock_property_changes ();
if (announce) {
CheckNewRegion (ret);
}
return ret;
}
return boost::shared_ptr<Region>();
}