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Diffstat (limited to 'libs/ardour/region_factory.cc')
| -rw-r--r-- | libs/ardour/region_factory.cc | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/libs/ardour/region_factory.cc b/libs/ardour/region_factory.cc new file mode 100644 index 0000000000..84d8167240 --- /dev/null +++ b/libs/ardour/region_factory.cc @@ -0,0 +1,181 @@ +/* + 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 <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, 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::shared_ptr<AudioRegion> arp (ar); + boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp)); + 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)); + 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) { + boost::shared_ptr<Region> ret (new AudioRegion (ar)); + /* 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)); + /* 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, 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 (Session& session, XMLNode& node, bool yn) +{ + boost::shared_ptr<Region> r = session.XMLRegionFactory (node, yn); + 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::shared_ptr<AudioRegion> arp (ar); + boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp)); + 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)); + 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) { + boost::shared_ptr<Region> ret (new AudioRegion (srcs, node)); + CheckNewRegion (ret); + return ret; + } else if (srcs[0]->type() == DataType::MIDI) { + boost::shared_ptr<Region> ret (new MidiRegion (srcs, node)); + 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) { + boost::shared_ptr<Region> ret (new AudioRegion (as, start, length, name, layer, flags)); + 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)); + if (announce) { + CheckNewRegion (ret); + } + return ret; + } + + return boost::shared_ptr<Region>(); +} |