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 class AudioPlaylist : public ARDOUR::Playlist
39 typedef std::list<boost::shared_ptr<Crossfade> > Crossfades;
42 AudioPlaylist (Session&, const XMLNode&, bool hidden = false);
43 AudioPlaylist (Session&, string name, bool hidden = false);
44 AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, string name, bool hidden = false);
45 AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, nframes_t start, nframes_t cnt, string name, bool hidden = false);
49 void clear (bool with_signals=true);
51 nframes_t read (Sample *dst, Sample *mixdown, float *gain_buffer, nframes_t start, nframes_t cnt, uint32_t chan_n=0);
53 int set_state (const XMLNode&);
55 sigc::signal<void,boost::shared_ptr<Crossfade> > NewCrossfade;
57 template<class T> void foreach_crossfade (T *t, void (T::*func)(boost::shared_ptr<Crossfade>));
58 void crossfades_at (nframes_t frame, Crossfades&);
60 bool destroy_region (boost::shared_ptr<Region>);
64 /* playlist "callbacks" */
65 void notify_crossfade_added (boost::shared_ptr<Crossfade>);
66 void flush_notifications ();
68 void finalize_split_region (boost::shared_ptr<Region> orig, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right);
70 void refresh_dependents (boost::shared_ptr<Region> region);
71 void check_dependents (boost::shared_ptr<Region> region, bool norefresh);
72 void remove_dependents (boost::shared_ptr<Region> region);
75 Crossfades _crossfades;
76 Crossfades _pending_xfade_adds;
78 void crossfade_invalidated (boost::shared_ptr<Region>);
79 XMLNode& state (bool full_state);
82 bool region_changed (Change, boost::shared_ptr<Region>);
83 void crossfade_changed (Change);
84 void add_crossfade (boost::shared_ptr<Crossfade>);
86 void source_offset_changed (boost::shared_ptr<AudioRegion> region);
89 } /* namespace ARDOUR */
91 #endif /* __ardour_audio_playlist_h__ */