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/*
Copyright (C) 2011 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_audio_playlist_source_h__
#define __ardour_audio_playlist_source_h__
#include <string>
#include <boost/shared_ptr.hpp>
#include "ardour/ardour.h"
#include "ardour/audiosource.h"
#include "ardour/playlist_source.h"
namespace ARDOUR {
class AudioPlaylist;
class AudioPlaylistSource : public AudioSource, public PlaylistSource {
public:
virtual ~AudioPlaylistSource ();
bool empty() const;
std::string peak_path (std::string audio_path);
uint32_t n_channels() const;
bool clamped_at_unity () const { return false; }
framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const;
framecnt_t write_unlocked (Sample *src, framecnt_t cnt);
float sample_rate () const;
int setup_peakfile ();
XMLNode& get_state ();
int set_state (const XMLNode&, int version);
bool can_truncate_peaks() const { return false; }
bool can_be_analysed() const { return _length > 0; }
protected:
friend class SourceFactory;
AudioPlaylistSource (Session&, const std::string& name, boost::shared_ptr<AudioPlaylist>, uint32_t chn,
frameoffset_t begin, framecnt_t len, Source::Flag flags);
AudioPlaylistSource (Session&, const XMLNode&);
private:
uint32_t _playlist_channel;
std::string _peak_path;
int set_state (const XMLNode&, int version, bool with_descendants);
};
} /* namespace */
#endif /* __ardour_audio_playlist_source_h__ */
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