91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/*
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* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _ardour_fluidsynth_h_
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#define _ardour_fluidsynth_h_
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#include <stdint.h>
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#include <string.h>
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#include <glib.h>
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#include "ardour/libardour_visibility.h"
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#include "ardour/types.h"
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#include "fluidsynth.h"
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namespace ARDOUR {
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class LIBARDOUR_API FluidSynth {
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public:
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/** instantiate a Synth
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*
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* @param samplerate samplerate
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* @param polyphony polyphony
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*/
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FluidSynth (float samplerate, int polyphony = 256);
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~FluidSynth ();
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bool load_sf2 (const std::string& fn);
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bool synth (float* left, float* right, uint32_t n_samples);
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bool midi_event (uint8_t const* const data, size_t len);
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void panic ();
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/* load a preset
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* @pgm BankProgram index
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* @chan midi channel (0..15)
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* @return true on succcess
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*/
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bool select_program (uint32_t pgm, uint8_t chan);
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uint32_t program_count () const { return _presets.size(); }
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std::string program_name (uint32_t pgm) const {
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if (pgm >= _presets.size()) { return ""; }
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return _presets[pgm].name;
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}
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private:
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fluid_settings_t* _settings;
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fluid_synth_t* _synth;
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int _synth_id;
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fluid_midi_event_t* _f_midi_event;
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struct BankProgram {
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BankProgram (const std::string& n, int b, int p)
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: name (n)
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, bank (b)
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, program (p)
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{}
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BankProgram (const BankProgram& other)
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: name (other.name)
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, bank (other.bank)
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, program (other.program)
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{}
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std::string name;
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int bank;
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int program;
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};
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std::vector<BankProgram> _presets;
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};
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} /* namespace */
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#endif
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