2 Copyright (C) 2000-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "pbd/error.h"
22 #include "ardour/session.h"
24 #include "ardour/region_factory.h"
25 #include "ardour/region.h"
26 #include "ardour/audioregion.h"
27 #include "ardour/audiosource.h"
28 #include "ardour/midi_source.h"
29 #include "ardour/midi_region.h"
33 using namespace ARDOUR;
36 sigc::signal<void,boost::shared_ptr<Region> > RegionFactory::CheckNewRegion;
38 boost::shared_ptr<Region>
39 RegionFactory::create (boost::shared_ptr<Region> region, nframes_t start,
40 nframes_t length, const std::string& name,
41 layer_t layer, Region::Flag flags, bool announce)
43 boost::shared_ptr<const AudioRegion> other_a;
44 boost::shared_ptr<const MidiRegion> other_m;
46 if ((other_a = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
47 AudioRegion* ar = new AudioRegion (other_a, start, length, name, layer, flags);
48 boost::shared_ptr<AudioRegion> arp (ar);
49 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
54 } else if ((other_m = boost::dynamic_pointer_cast<MidiRegion>(region)) != 0) {
55 MidiRegion* ar = new MidiRegion (other_m, start, length, name, layer, flags);
56 boost::shared_ptr<MidiRegion> arp (ar);
57 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
63 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
66 return boost::shared_ptr<Region>();
70 boost::shared_ptr<Region>
71 RegionFactory::create (boost::shared_ptr<const Region> region)
73 boost::shared_ptr<const AudioRegion> ar;
74 boost::shared_ptr<const MidiRegion> mr;
76 if ((ar = boost::dynamic_pointer_cast<const AudioRegion>(region)) != 0) {
77 boost::shared_ptr<Region> ret (new AudioRegion (ar));
78 /* pure copy constructor - no CheckNewRegion emitted */
80 } else if ((mr = boost::dynamic_pointer_cast<const MidiRegion>(region)) != 0) {
81 boost::shared_ptr<Region> ret (new MidiRegion (mr));
82 /* pure copy constructor - no CheckNewRegion emitted */
85 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
88 return boost::shared_ptr<Region>();
92 boost::shared_ptr<Region>
93 RegionFactory::create (boost::shared_ptr<AudioRegion> region, nframes_t start,
94 nframes_t length, const std::string& name,
95 layer_t layer, Region::Flag flags, bool announce)
97 return create (boost::static_pointer_cast<Region> (region), start, length, name, layer, flags, announce);
100 boost::shared_ptr<Region>
101 RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs,
102 const std::string& name, layer_t layer, Region::Flag flags, bool announce)
105 boost::shared_ptr<const AudioRegion> other;
107 /* used by AudioFilter when constructing a new region that is intended to have nearly
108 identical settings to an original, but using different sources.
111 if ((other = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
112 AudioRegion* ar = new AudioRegion (other, srcs, srcs.front()->length(srcs.front()->timeline_position()), name, layer, flags);
113 boost::shared_ptr<AudioRegion> arp (ar);
114 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
116 CheckNewRegion (ret);
120 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
123 return boost::shared_ptr<Region>();
127 boost::shared_ptr<Region>
128 RegionFactory::create (Session& session, XMLNode& node, bool yn)
130 boost::shared_ptr<Region> r = session.XMLRegionFactory (node, yn);
139 boost::shared_ptr<Region>
140 RegionFactory::create (const SourceList& srcs, nframes_t start, nframes_t length, const string& name, layer_t layer, Region::Flag flags, bool announce)
143 return boost::shared_ptr<Region>();
146 if (srcs[0]->type() == DataType::AUDIO) {
148 AudioRegion* ar = new AudioRegion (srcs, start, length, name, layer, flags);
149 boost::shared_ptr<AudioRegion> arp (ar);
150 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
152 CheckNewRegion (ret);
156 } else if (srcs[0]->type() == DataType::MIDI) {
158 MidiRegion* ar = new MidiRegion (srcs, start, length, name, layer, flags);
159 boost::shared_ptr<MidiRegion> mrp (ar);
160 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (mrp));
162 CheckNewRegion (ret);
168 return boost::shared_ptr<Region> ();
171 boost::shared_ptr<Region>
172 RegionFactory::create (SourceList& srcs, const XMLNode& node)
175 return boost::shared_ptr<Region>();
178 if (srcs[0]->type() == DataType::AUDIO) {
179 boost::shared_ptr<Region> ret (new AudioRegion (srcs, node));
180 CheckNewRegion (ret);
182 } else if (srcs[0]->type() == DataType::MIDI) {
183 boost::shared_ptr<Region> ret (new MidiRegion (srcs, node));
184 CheckNewRegion (ret);
188 return boost::shared_ptr<Region> ();
191 boost::shared_ptr<Region>
192 RegionFactory::create (boost::shared_ptr<Source> src, nframes_t start, nframes_t length, const string& name, layer_t layer, Region::Flag flags, bool announce)
194 boost::shared_ptr<AudioSource> as;
195 boost::shared_ptr<MidiSource> ms;
197 if ((as = boost::dynamic_pointer_cast<AudioSource>(src)) != 0) {
198 boost::shared_ptr<Region> ret (new AudioRegion (as, start, length, name, layer, flags));
200 CheckNewRegion (ret);
203 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(src)) != 0) {
204 boost::shared_ptr<Region> ret (new MidiRegion (ms, start, length, name, layer, flags));
206 CheckNewRegion (ret);
211 return boost::shared_ptr<Region>();