1 /*
2  * Copyright (C) 2006-2011 David Robillard <d@drobilla.net>
3  * Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
4  * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
5  * Copyright (C) 2013 John Emmas <john@creativepost.co.uk>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21 
22 #ifndef __ardour_audio_playlist_h__
23 #define __ardour_audio_playlist_h__
24 
25 #include <vector>
26 #include <list>
27 
28 #include "ardour/ardour.h"
29 #include "ardour/playlist.h"
30 
31 namespace ARDOUR  {
32 
33 class Session;
34 class AudioRegion;
35 class Source;
36 class AudioPlaylist;
37 
38 class LIBARDOUR_API AudioPlaylist : public ARDOUR::Playlist
39 {
40 public:
41 	AudioPlaylist (Session&, const XMLNode&, bool hidden = false);
42 	AudioPlaylist (Session&, std::string name, bool hidden = false);
43 	AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, std::string name, bool hidden = false);
44 	AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, samplepos_t start, samplecnt_t cnt, std::string name, bool hidden = false);
45 
46 	samplecnt_t read (Sample *dst, Sample *mixdown, float *gain_buffer, samplepos_t start, samplecnt_t cnt, uint32_t chan_n=0);
47 
48 	bool destroy_region (boost::shared_ptr<Region>);
49 
50 protected:
51 
52 	void pre_combine (std::vector<boost::shared_ptr<Region> >&);
53 	void post_combine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>);
54 	void pre_uncombine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>);
55 
56 private:
57 	int set_state (const XMLNode&, int version);
58 	void dump () const;
59 	bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
60 	void source_offset_changed (boost::shared_ptr<AudioRegion>);
61         void load_legacy_crossfades (const XMLNode&, int version);
62 };
63 
64 } /* namespace ARDOUR */
65 
66 #endif /* __ardour_audio_playlist_h__ */
67