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Diffstat (limited to 'libs/ardour/ardour/beats_frames_converter.h')
| -rw-r--r-- | libs/ardour/ardour/beats_frames_converter.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libs/ardour/ardour/beats_frames_converter.h b/libs/ardour/ardour/beats_frames_converter.h new file mode 100644 index 0000000000..79972cb4c5 --- /dev/null +++ b/libs/ardour/ardour/beats_frames_converter.h @@ -0,0 +1,52 @@ +/* + Copyright (C) 2009 Paul Davis + Author: Dave Robillard + + 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. + + $Id: midiregion.h 733 2006-08-01 17:19:38Z drobilla $ +*/ + +#include <evoral/TimeConverter.hpp> +#include <ardour/types.h> + +#ifndef __ardour_beats_frames_converter_h__ +#define __ardour_beats_frames_converter_h__ + +namespace ARDOUR { + +class Session; + +class BeatsFramesConverter : public Evoral::TimeConverter<double,nframes_t> { +public: + BeatsFramesConverter(Session& session, nframes_t origin) + : _session(session) + , _origin(origin) + {} + + nframes_t to(double beats) const; + double from(nframes_t frames) const; + + nframes_t origin() const { return _origin; } + void set_origin(nframes_t origin) { _origin = origin; } + +private: + Session& _session; + nframes_t _origin; +}; + +} /* namespace ARDOUR */ + +#endif /* __ardour_beats_frames_converter_h__ */ |