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/*
* Copyright (C) 2011-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2011-2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_midi_playlist_source_h__
#define __ardour_midi_playlist_source_h__
#include <string>
#include <boost/shared_ptr.hpp>
#include "ardour/ardour.h"
#include "ardour/midi_source.h"
#include "ardour/playlist_source.h"
namespace ARDOUR {
class MidiPlaylist;
class LIBARDOUR_API MidiPlaylistSource : public MidiSource, public PlaylistSource {
public:
virtual ~MidiPlaylistSource ();
bool empty() const;
samplecnt_t length (samplepos_t) const;
samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
samplecnt_t write_unlocked (Sample *src, samplecnt_t cnt);
XMLNode& get_state ();
int set_state (const XMLNode&, int version);
void append_event_beats(const Glib::Threads::Mutex::Lock& lock, const Evoral::Event<Temporal::Beats>& ev);
void append_event_samples(const Glib::Threads::Mutex::Lock& lock, const Evoral::Event<samplepos_t>& ev, samplepos_t source_start);
void load_model(const Glib::Threads::Mutex::Lock& lock, bool force_reload=false);
void destroy_model(const Glib::Threads::Mutex::Lock& lock);
protected:
friend class SourceFactory;
MidiPlaylistSource (Session&, const PBD::ID& orig, const std::string& name, boost::shared_ptr<MidiPlaylist>, uint32_t chn,
sampleoffset_t begin, samplecnt_t len, Source::Flag flags);
MidiPlaylistSource (Session&, const XMLNode&);
void flush_midi(const Lock& lock);
samplecnt_t read_unlocked (const Lock& lock,
Evoral::EventSink<samplepos_t>& dst,
samplepos_t position,
samplepos_t start,
samplecnt_t cnt,
Evoral::Range<samplepos_t>* loop_range,
MidiStateTracker* tracker,
MidiChannelFilter* filter) const;
samplecnt_t write_unlocked (const Lock& lock,
MidiRingBuffer<samplepos_t>& dst,
samplepos_t position,
samplecnt_t cnt);
private:
int set_state (const XMLNode&, int version, bool with_descendants);
samplecnt_t _length;
};
} /* namespace */
#endif /* __ardour_midi_playlist_source_h__ */
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