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Diffstat (limited to 'libs/panners/stereobalance/panner_balance.h')
-rw-r--r-- | libs/panners/stereobalance/panner_balance.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/libs/panners/stereobalance/panner_balance.h b/libs/panners/stereobalance/panner_balance.h new file mode 100644 index 0000000000..f381340888 --- /dev/null +++ b/libs/panners/stereobalance/panner_balance.h @@ -0,0 +1,83 @@ +/* + Copyright (C) 2004-2014 Paul Davis + adopted from 2in2out panner by Robin Gareus <robin@gareus.org> + + 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_panner_balance_h__ +#define __ardour_panner_balance_h__ + +#include <cmath> +#include <cassert> +#include <vector> +#include <string> +#include <iostream> + +#include "pbd/stateful.h" +#include "pbd/controllable.h" +#include "pbd/cartesian.h" + +#include "ardour/automation_control.h" +#include "ardour/automatable.h" +#include "ardour/panner.h" +#include "ardour/types.h" + +namespace ARDOUR { + +class Pannerbalance : public Panner +{ + public: + Pannerbalance (boost::shared_ptr<Pannable>); + ~Pannerbalance (); + + ChanCount in() const { return ChanCount (DataType::AUDIO, 2); } + ChanCount out() const { return ChanCount (DataType::AUDIO, 2); } + + void set_position (double); + bool clamp_position (double&); + std::pair<double, double> position_range () const; + double position () const; + + std::set<Evoral::Parameter> what_can_be_automated() const; + + static Panner* factory (boost::shared_ptr<Pannable>, boost::shared_ptr<Speakers>); + + std::string describe_parameter (Evoral::Parameter); + std::string value_as_string (boost::shared_ptr<AutomationControl>) const; + + XMLNode& get_state (); + + void reset (); + void thaw (); + + protected: + float pos[2]; + float desired_pos[2]; + float pos_interp[2]; + + void update (); + + private: + void distribute_one (AudioBuffer& srcbuf, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes, uint32_t which); + void distribute_one_automated (AudioBuffer& srcbuf, BufferSet& obufs, + framepos_t start, framepos_t end, pframes_t nframes, + pan_t** buffers, uint32_t which); +}; + +} // namespace + +#endif /* __ardour_panner_balance_h__ */ |