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/*
Copyright (C) 2006 Paul Davis
Written by Dave Robillard, 2006
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_smf_source_h__
#define __ardour_smf_source_h__
#include <cstdio>
#include <time.h>
#include "evoral/SMF.hpp"
#include "ardour/midi_source.h"
#include "ardour/file_source.h"
namespace Evoral { template<typename T> class Event; }
namespace ARDOUR {
template<typename T> class MidiRingBuffer;
/** Standard Midi File (Type 0) Source */
class SMFSource : public MidiSource, public FileSource, public Evoral::SMF {
public:
/** Constructor for existing external-to-session files */
SMFSource (Session& session, const Glib::ustring& path, bool embedded,
Source::Flag flags = Source::Flag(0));
/** Constructor for existing in-session files */
SMFSource (Session& session, const XMLNode&, bool must_exist = false);
virtual ~SMFSource ();
bool safe_file_extension (const Glib::ustring& path) const {
return safe_midi_file_extension(path);
}
bool set_name (const std::string& newname) { return (set_source_name(newname, false) == 0); }
void append_event_unlocked_beats (const Evoral::Event<double>& ev);
void append_event_unlocked_frames (const Evoral::Event<nframes_t>& ev, sframes_t source_start);
void mark_streaming_midi_write_started (NoteMode mode, sframes_t start_time);
void mark_streaming_write_completed ();
XMLNode& get_state ();
int set_state (const XMLNode&);
void load_model (bool lock=true, bool force_reload=false);
void destroy_model ();
void flush_midi ();
static void set_header_position_offset (nframes_t offset, bool negative);
static bool safe_midi_file_extension (const Glib::ustring& path);
private:
nframes_t read_unlocked (MidiRingBuffer<nframes_t>& dst,
sframes_t position,
sframes_t start,
nframes_t cnt,
sframes_t stamp_offset,
sframes_t negative_stamp_offset) const;
nframes_t write_unlocked (MidiRingBuffer<nframes_t>& src,
sframes_t position,
nframes_t cnt);
void set_default_controls_interpolation ();
double _last_ev_time_beats;
sframes_t _last_ev_time_frames;
};
}; /* namespace ARDOUR */
#endif /* __ardour_smf_source_h__ */
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