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"
34 class AudioPlaylistSource : public AudioSource {
36 virtual ~AudioPlaylistSource ();
39 std::string peak_path (std::string audio_path);
40 uint32_t n_channels() const;
41 bool clamped_at_unity () const { return false; }
43 framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const;
44 framecnt_t write_unlocked (Sample *src, framecnt_t cnt);
46 float sample_rate () const;
47 int setup_peakfile ();
49 XMLNode& get_state ();
50 int set_state (const XMLNode&, int version);
52 bool can_truncate_peaks() const { return false; }
53 bool can_be_analysed() const { return _length > 0; }
56 friend class SourceFactory;
58 AudioPlaylistSource (Session&, const std::string& name, boost::shared_ptr<AudioPlaylist>, uint32_t chn,
59 frameoffset_t begin, framecnt_t len, bool copy, Source::Flag flags);
60 AudioPlaylistSource (Session&, const XMLNode&);
63 boost::shared_ptr<AudioPlaylist> _playlist;
64 frameoffset_t _playlist_offset;
65 framecnt_t _playlist_length;
66 uint32_t _playlist_channel;
67 std::string _peak_path;
68 uint32_t _level; /* how recursive is this? */
73 #endif /* __ardour_audio_playlist_source_h__ */