346f08f8b9
This enables the specific use case of checking whether a note's release phase has ended, but is also potentially useful to implement a sort of "voice stealing" algorithm in Python code, which can take account of the note's envelope state as well as other factors specific to the program.
49 lines
2.6 KiB
C
49 lines
2.6 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 Artyom Skrobov
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* Copyright (c) 2023 Jeff Epler for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#pragma once
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#include "shared-module/synthio/Synthesizer.h"
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extern const mp_obj_type_t synthio_synthesizer_type;
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void common_hal_synthio_synthesizer_construct(synthio_synthesizer_obj_t *self,
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uint32_t sample_rate, int channel_count, mp_obj_t waveform_obj,
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mp_obj_t envelope_obj);
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void common_hal_synthio_synthesizer_deinit(synthio_synthesizer_obj_t *self);
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bool common_hal_synthio_synthesizer_deinited(synthio_synthesizer_obj_t *self);
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uint32_t common_hal_synthio_synthesizer_get_sample_rate(synthio_synthesizer_obj_t *self);
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uint8_t common_hal_synthio_synthesizer_get_bits_per_sample(synthio_synthesizer_obj_t *self);
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uint8_t common_hal_synthio_synthesizer_get_channel_count(synthio_synthesizer_obj_t *self);
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void common_hal_synthio_synthesizer_release(synthio_synthesizer_obj_t *self, mp_obj_t to_release);
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void common_hal_synthio_synthesizer_press(synthio_synthesizer_obj_t *self, mp_obj_t to_press);
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void common_hal_synthio_synthesizer_retrigger(synthio_synthesizer_obj_t *self, mp_obj_t to_retrigger);
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void common_hal_synthio_synthesizer_release_all(synthio_synthesizer_obj_t *self);
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mp_obj_t common_hal_synthio_synthesizer_get_pressed_notes(synthio_synthesizer_obj_t *self);
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mp_obj_t common_hal_synthio_synthesizer_get_blocks(synthio_synthesizer_obj_t *self);
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envelope_state_e common_hal_synthio_synthesizer_note_info(synthio_synthesizer_obj_t *self, mp_obj_t note, mp_float_t *vol_out);
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