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));
50 ret->unlock_property_changes ();
55 } else if ((other_m = boost::dynamic_pointer_cast<MidiRegion>(region)) != 0) {
56 MidiRegion* ar = new MidiRegion (other_m, start, length, name, layer, flags);
57 boost::shared_ptr<MidiRegion> arp (ar);
58 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
59 ret->unlock_property_changes ();
65 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
68 return boost::shared_ptr<Region>();
72 boost::shared_ptr<Region>
73 RegionFactory::create (boost::shared_ptr<const Region> region)
75 boost::shared_ptr<const AudioRegion> ar;
76 boost::shared_ptr<const MidiRegion> mr;
78 if ((ar = boost::dynamic_pointer_cast<const AudioRegion>(region)) != 0) {
79 boost::shared_ptr<Region> ret (new AudioRegion (ar));
80 ret->unlock_property_changes ();
81 /* pure copy constructor - no CheckNewRegion emitted */
83 } else if ((mr = boost::dynamic_pointer_cast<const MidiRegion>(region)) != 0) {
84 boost::shared_ptr<Region> ret (new MidiRegion (mr));
85 ret->unlock_property_changes ();
86 /* pure copy constructor - no CheckNewRegion emitted */
89 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
92 return boost::shared_ptr<Region>();
96 boost::shared_ptr<Region>
97 RegionFactory::create (boost::shared_ptr<AudioRegion> region, nframes_t start,
98 nframes_t length, const std::string& name,
99 layer_t layer, Region::Flag flags, bool announce)
101 return create (boost::static_pointer_cast<Region> (region), start, length, name, layer, flags, announce);
104 boost::shared_ptr<Region>
105 RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs,
106 const std::string& name, layer_t layer, Region::Flag flags, bool announce)
109 boost::shared_ptr<const AudioRegion> other;
111 /* used by AudioFilter when constructing a new region that is intended to have nearly
112 identical settings to an original, but using different sources.
115 if ((other = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
116 AudioRegion* ar = new AudioRegion (other, srcs, srcs.front()->length(srcs.front()->timeline_position()), name, layer, flags);
117 boost::shared_ptr<AudioRegion> arp (ar);
118 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
119 ret->unlock_property_changes ();
121 CheckNewRegion (ret);
125 fatal << _("programming error: RegionFactory::create() called with unknown Region type")
128 return boost::shared_ptr<Region>();
132 boost::shared_ptr<Region>
133 RegionFactory::create (Session& session, XMLNode& node, bool yn)
135 boost::shared_ptr<Region> r = session.XMLRegionFactory (node, yn);
138 r->unlock_property_changes ();
145 boost::shared_ptr<Region>
146 RegionFactory::create (const SourceList& srcs, nframes_t start, nframes_t length, const string& name, layer_t layer, Region::Flag flags, bool announce)
149 return boost::shared_ptr<Region>();
152 if (srcs[0]->type() == DataType::AUDIO) {
154 AudioRegion* ar = new AudioRegion (srcs, start, length, name, layer, flags);
155 boost::shared_ptr<AudioRegion> arp (ar);
156 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (arp));
157 ret->unlock_property_changes ();
159 CheckNewRegion (ret);
163 } else if (srcs[0]->type() == DataType::MIDI) {
165 MidiRegion* ar = new MidiRegion (srcs, start, length, name, layer, flags);
166 boost::shared_ptr<MidiRegion> mrp (ar);
167 boost::shared_ptr<Region> ret (boost::static_pointer_cast<Region> (mrp));
168 ret->unlock_property_changes ();
170 CheckNewRegion (ret);
176 return boost::shared_ptr<Region> ();
179 boost::shared_ptr<Region>
180 RegionFactory::create (SourceList& srcs, const XMLNode& node)
183 return boost::shared_ptr<Region>();
186 if (srcs[0]->type() == DataType::AUDIO) {
187 boost::shared_ptr<Region> ret (new AudioRegion (srcs, node));
188 ret->unlock_property_changes ();
189 CheckNewRegion (ret);
191 } else if (srcs[0]->type() == DataType::MIDI) {
192 boost::shared_ptr<Region> ret (new MidiRegion (srcs, node));
193 ret->unlock_property_changes ();
194 CheckNewRegion (ret);
198 return boost::shared_ptr<Region> ();
201 boost::shared_ptr<Region>
202 RegionFactory::create (boost::shared_ptr<Source> src, nframes_t start, nframes_t length, const string& name, layer_t layer, Region::Flag flags, bool announce)
204 boost::shared_ptr<AudioSource> as;
205 boost::shared_ptr<MidiSource> ms;
207 if ((as = boost::dynamic_pointer_cast<AudioSource>(src)) != 0) {
208 boost::shared_ptr<Region> ret (new AudioRegion (as, start, length, name, layer, flags));
209 ret->unlock_property_changes ();
211 CheckNewRegion (ret);
214 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(src)) != 0) {
215 boost::shared_ptr<Region> ret (new MidiRegion (ms, start, length, name, layer, flags));
216 ret->unlock_property_changes ();
218 CheckNewRegion (ret);
223 return boost::shared_ptr<Region>();