2 Copyright (C) 2003 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 #ifndef __ardour_audio_playlist_h__
21 #define __ardour_audio_playlist_h__
26 #include "ardour/ardour.h"
27 #include "ardour/playlist.h"
36 namespace Properties {
37 /* fake the type, since crossfades are handled by SequenceProperty which doesn't
38 care about such things.
40 extern PBD::PropertyDescriptor<bool> crossfades;
45 class CrossfadeListProperty : public PBD::SequenceProperty<std::list<boost::shared_ptr<Crossfade> > >
48 CrossfadeListProperty (AudioPlaylist &);
50 void get_content_as_xml (boost::shared_ptr<Crossfade>, XMLNode &) const;
51 boost::shared_ptr<Crossfade> get_content_from_xml (XMLNode const &) const;
54 CrossfadeListProperty* clone () const;
55 CrossfadeListProperty* create () const;
57 /* copy construction only by ourselves */
58 CrossfadeListProperty (CrossfadeListProperty const & p);
60 friend class AudioPlaylist;
61 /* we live and die with our playlist, no lifetime management needed */
62 AudioPlaylist& _playlist;
66 class AudioPlaylist : public ARDOUR::Playlist
69 typedef std::list<boost::shared_ptr<Crossfade> > Crossfades;
70 static void make_property_quarks ();
72 AudioPlaylist (Session&, const XMLNode&, bool hidden = false);
73 AudioPlaylist (Session&, std::string name, bool hidden = false);
74 AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, std::string name, bool hidden = false);
75 AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, framepos_t start, framecnt_t cnt, std::string name, bool hidden = false);
79 void clear (bool with_signals=true);
81 framecnt_t read (Sample *dst, Sample *mixdown, float *gain_buffer, framepos_t start, framecnt_t cnt, uint32_t chan_n=0);
83 int set_state (const XMLNode&, int version);
85 PBD::Signal1<void,boost::shared_ptr<Crossfade> > NewCrossfade;
87 void foreach_crossfade (boost::function<void (boost::shared_ptr<Crossfade>)>);
88 void crossfades_at (framepos_t frame, Crossfades&);
90 bool destroy_region (boost::shared_ptr<Region>);
92 void update (const CrossfadeListProperty::ChangeRecord &);
94 boost::shared_ptr<Crossfade> find_crossfade (const PBD::ID &) const;
98 /* playlist "callbacks" */
99 void notify_crossfade_added (boost::shared_ptr<Crossfade>);
100 void flush_notifications (bool);
102 void finalize_split_region (boost::shared_ptr<Region> orig, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right);
104 void refresh_dependents (boost::shared_ptr<Region> region);
105 void check_dependents (boost::shared_ptr<Region> region, bool norefresh);
106 void remove_dependents (boost::shared_ptr<Region> region);
107 void copy_dependents (const std::vector<TwoRegions>&, boost::shared_ptr<Playlist>);
110 CrossfadeListProperty _crossfades;
111 Crossfades _pending_xfade_adds;
113 void crossfade_invalidated (boost::shared_ptr<Region>);
114 XMLNode& state (bool full_state);
117 bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
118 void crossfade_changed (const PBD::PropertyChange&);
119 void add_crossfade (boost::shared_ptr<Crossfade>);
121 void source_offset_changed (boost::shared_ptr<AudioRegion> region);
124 } /* namespace ARDOUR */
126 #endif /* __ardour_audio_playlist_h__ */