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83 lines
2.3 KiB
83 lines
2.3 KiB
5 months ago
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/*
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Copyright 2016-2017 Pascal Gauthier.
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Copyright 2012 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#ifndef SYNTH_DX7NOTE_H_
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#define SYNTH_DX7NOTE_H_
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// This is the logic to put together a note from the MIDI description
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// and run the low-level modules.
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// It will continue to evolve a bit, as note-stealing logic, scaling,
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// and real-time control of parameters live here.
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#include <stdint.h>
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#include "env.h"
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#include "pitchenv.h"
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#include "fm_core.h"
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struct VoiceStatus {
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uint32_t amp[6];
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char ampStep[6];
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char pitchStep;
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};
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class Dx7Note {
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public:
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Dx7Note();
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void init(const uint8_t patch[156], int midinote, int velocity, int srcnote, int porta, const Controllers *ctrls);
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// Note: this _adds_ to the buffer. Interesting question whether it's
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// worth it...
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void compute(int32_t *buf, int32_t lfo_val, int32_t lfo_delay, const Controllers *ctrls);
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void keyup();
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// TODO: some way of indicating end-of-note. Maybe should be a return
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// value from the compute method? (Having a count return from keyup
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// is also tempting, but if there's a dynamic parameter change after
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// keyup, that won't work.
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// PG:add the update
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void update(const uint8_t patch[156], int midinote, int velocity, int porta, const Controllers *ctrls);
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void peekVoiceStatus(VoiceStatus &status);
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void transferState(Dx7Note& src);
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void transferSignal(Dx7Note &src);
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void transferPortamento(Dx7Note &src);
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void oscSync();
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private:
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Env env_[6];
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FmOpParams params_[6];
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PitchEnv pitchenv_;
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int32_t basepitch_[6];
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int32_t fb_buf_[2]={0 ,0};
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int32_t fb_shift_;
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int32_t ampmodsens_[6];
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int32_t opMode[6];
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int ampmoddepth_;
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int algorithm_;
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int pitchmoddepth_;
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int pitchmodsens_;
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int porta_rateindex_;
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int porta_gliss_;
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int32_t porta_curpitch_[6];
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};
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#endif
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