2 Copyright (C) 2011 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_source_h__
21 #define __ardour_audio_playlist_source_h__
25 #include <boost/shared_ptr.hpp>
27 #include "ardour/ardour.h"
28 #include "ardour/audiosource.h"
29 #include "ardour/playlist_source.h"
35 class LIBARDOUR_API AudioPlaylistSource : public PlaylistSource, public AudioSource {
37 virtual ~AudioPlaylistSource ();
40 std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const;
41 uint32_t n_channels() const;
42 bool clamped_at_unity () const { return false; }
44 samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
45 samplecnt_t write_unlocked (Sample *src, samplecnt_t cnt);
47 float sample_rate () const;
48 int setup_peakfile ();
50 XMLNode& get_state ();
51 int set_state (const XMLNode&, int version);
53 bool can_truncate_peaks() const { return false; }
54 bool can_be_analysed() const { return _length > 0; }
57 friend class SourceFactory;
59 AudioPlaylistSource (Session&, const PBD::ID& orig, const std::string& name, boost::shared_ptr<AudioPlaylist>, uint32_t chn,
60 sampleoffset_t begin, samplecnt_t len, Source::Flag flags);
61 AudioPlaylistSource (Session&, const XMLNode&);
65 uint32_t _playlist_channel;
66 std::string _peak_path;
68 int set_state (const XMLNode&, int version, bool with_descendants);
73 #endif /* __ardour_audio_playlist_source_h__ */