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Copyright (C) 2006 Paul Davis
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Author: David Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifndef __ardour_smf_source_h__
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#define __ardour_smf_source_h__
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#include "evoral/SMF.hpp"
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#include "ardour/midi_source.h"
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#include "ardour/file_source.h"
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namespace Evoral { template<typename T> class Event; }
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template<typename T> class MidiRingBuffer;
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/** Standard Midi File (Type 0) Source */
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class SMFSource : public MidiSource, public FileSource, public Evoral::SMF {
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/** Constructor for existing external-to-session files */
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SMFSource (Session& session, const std::string& path,
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Source::Flag flags = Source::Flag(0));
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/** Constructor for existing in-session files */
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SMFSource (Session& session, const XMLNode&, bool must_exist = false);
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virtual ~SMFSource ();
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bool safe_file_extension (const std::string& path) const {
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return safe_midi_file_extension(path);
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bool set_name (const std::string& newname) { return (set_source_name(newname, false) == 0); }
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void append_event_unlocked_beats (const Evoral::Event<Evoral::MusicalTime>& ev);
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void append_event_unlocked_frames (const Evoral::Event<framepos_t>& ev, framepos_t source_start);
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void mark_streaming_midi_write_started (NoteMode mode);
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void mark_streaming_write_completed ();
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void mark_midi_streaming_write_completed (Evoral::Sequence<Evoral::MusicalTime>::StuckNoteOption, Evoral::MusicalTime when = 0);
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XMLNode& get_state ();
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int set_state (const XMLNode&, int version);
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void load_model (bool lock=true, bool force_reload=false);
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void destroy_model ();
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void ensure_disk_file ();
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static bool safe_midi_file_extension (const std::string& path);
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void set_path (const std::string& newpath);
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int open_for_write ();
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framecnt_t read_unlocked (Evoral::EventSink<framepos_t>& dst,
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MidiStateTracker* tracker) const;
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framecnt_t write_unlocked (MidiRingBuffer<framepos_t>& src,
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double _last_ev_time_beats;
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framepos_t _last_ev_time_frames;
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/** end time (start + duration) of last call to read_unlocked */
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mutable framepos_t _smf_last_read_end;
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/** time (in SMF ticks, 1 tick per _ppqn) of the last event read by read_unlocked */
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mutable framepos_t _smf_last_read_time;
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}; /* namespace ARDOUR */
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#endif /* __ardour_smf_source_h__ */