circuitpython/shared-bindings/synthio/Synthesizer.c

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

465 lines
21 KiB
C
Raw Normal View History

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Artyom Skrobov
* Copyright (c) 2023 Jeff Epler for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include "shared/runtime/context_manager_helpers.h"
#include "py/binary.h"
#include "py/objproperty.h"
#include "py/runtime.h"
#include "py/enum.h"
#include "shared-bindings/util.h"
#include "shared-bindings/synthio/Biquad.h"
#include "shared-bindings/synthio/Synthesizer.h"
#include "shared-bindings/synthio/LFO.h"
#include "shared-bindings/synthio/__init__.h"
#include "supervisor/shared/translate/translate.h"
//| NoteSequence = Sequence[Union[int, Note]]
//| """A sequence of notes, which can each be integer MIDI note numbers or `Note` objects"""
//| NoteOrNoteSequence = Union[int, Note, NoteSequence]
//| """A note or sequence of notes"""
//| LFOOrLFOSequence = Union["LFO", Sequence["LFO"]]
//| """An LFO or a sequence of LFOs"""
//|
2023-04-05 17:20:35 -04:00
//| class Synthesizer:
//| def __init__(
//| self,
//| *,
//| sample_rate: int = 11025,
//| channel_count: int = 1,
//| waveform: Optional[ReadableBuffer] = None,
//| envelope: Optional[Envelope] = None,
//| ) -> None:
2023-04-05 17:20:35 -04:00
//| """Create a synthesizer object.
//|
//| This API is experimental.
//|
//| Integer notes use MIDI note numbering, with 60 being C4 or Middle C,
//| approximately 262Hz. Integer notes use the given waveform & envelope,
//| and do not support advanced features like tremolo or vibrato.
2023-04-05 17:20:35 -04:00
//|
//| :param int sample_rate: The desired playback sample rate; higher sample rate requires more memory
//| :param int channel_count: The number of output channels (1=mono, 2=stereo)
//| :param ReadableBuffer waveform: A single-cycle waveform. Default is a 50% duty cycle square wave. If specified, must be a ReadableBuffer of type 'h' (signed 16 bit)
//| :param Optional[Envelope] envelope: An object that defines the loudness of a note over time. The default envelope, `None` provides no ramping, voices turn instantly on and off.
2023-04-05 17:20:35 -04:00
//| """
STATIC mp_obj_t synthio_synthesizer_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
enum { ARG_sample_rate, ARG_channel_count, ARG_waveform, ARG_envelope };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_sample_rate, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 11025} },
{ MP_QSTR_channel_count, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 1} },
{ MP_QSTR_waveform, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none } },
{ MP_QSTR_envelope, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none } },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
synthio_synthesizer_obj_t *self = m_new_obj(synthio_synthesizer_obj_t);
self->base.type = &synthio_synthesizer_type;
common_hal_synthio_synthesizer_construct(self,
args[ARG_sample_rate].u_int,
args[ARG_channel_count].u_int,
args[ARG_waveform].u_obj,
args[ARG_envelope].u_obj);
return MP_OBJ_FROM_PTR(self);
}
STATIC void check_for_deinit(synthio_synthesizer_obj_t *self) {
if (common_hal_synthio_synthesizer_deinited(self)) {
raise_deinited_error();
}
}
//| def press(self, /, press: NoteOrNoteSequence = ()) -> None:
//| """Turn some notes on.
2023-04-05 17:20:35 -04:00
//|
//| Pressing a note that was already pressed has no effect.
//|
//| :param NoteOrNoteSequence press: Any sequence of notes."""
STATIC mp_obj_t synthio_synthesizer_press(mp_obj_t self_in, mp_obj_t press) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
common_hal_synthio_synthesizer_press(self, press);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(synthio_synthesizer_press_obj, synthio_synthesizer_press);
//| def release(self, /, release: NoteOrNoteSequence = ()) -> None:
//| """Turn some notes off.
2023-04-17 11:59:54 -04:00
//|
//| Releasing a note that was already released has no effect.
//|
//| :param NoteOrNoteSequence release: Any sequence of notes."""
2023-04-17 11:59:54 -04:00
STATIC mp_obj_t synthio_synthesizer_release(mp_obj_t self_in, mp_obj_t release) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
common_hal_synthio_synthesizer_release(self, release);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(synthio_synthesizer_release_obj, synthio_synthesizer_release);
//| def change(
//| self,
//| release: NoteOrNoteSequence = (),
//| press: NoteOrNoteSequence = (),
//| retrigger=LFOOrLFOSequence,
//| ) -> None:
//| """Start notes, stop them, and/or re-trigger some LFOs.
//|
//| The changes all happen atomically with respect to output generation.
2023-04-05 17:20:35 -04:00
//|
//| It is OK to release note that was not actually turned on.
//|
//| Pressing a note that was already pressed returns it to the attack phase
//| but without resetting its amplitude. Releasing a note and immediately
//| pressing it again returns it to the attack phase with an initial
//| amplitude of 0.
2023-04-05 17:20:35 -04:00
//|
//| At the same time, the passed LFOs (if any) are retriggered.
2023-04-05 17:20:35 -04:00
//|
//| :param NoteOrNoteSequence release: Any sequence of notes.
//| :param NoteOrNoteSequence press: Any sequence of notes.
//| :param LFOOrLFOSequence retrigger: Any sequence of LFOs.
//|
//| Note: for compatibility, ``release_then_press`` may be used as an alias
//| for this function. This compatibility name will be removed in 9.0."""
STATIC mp_obj_t synthio_synthesizer_change(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_release, ARG_press, ARG_retrigger };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_release, MP_ARG_OBJ, {.u_obj = mp_const_empty_tuple } },
{ MP_QSTR_press, MP_ARG_OBJ, {.u_obj = mp_const_empty_tuple } },
{ MP_QSTR_retrigger, MP_ARG_OBJ, {.u_obj = mp_const_empty_tuple } },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
check_for_deinit(self);
common_hal_synthio_synthesizer_release(self, args[ARG_release].u_obj);
common_hal_synthio_synthesizer_press(self, args[ARG_press].u_obj);
common_hal_synthio_synthesizer_retrigger(self, args[ARG_retrigger].u_obj);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(synthio_synthesizer_change_obj, 1, synthio_synthesizer_change);
//
//| def release_all_then_press(self, /, press: NoteOrNoteSequence) -> None:
2023-04-05 17:20:35 -04:00
//| """Turn any currently-playing notes off, then turn on the given notes
//|
//| Releasing a note and immediately pressing it again returns it to the
//| attack phase with an initial amplitude of 0.
2023-04-05 17:20:35 -04:00
//|
//| :param NoteOrNoteSequence press: Any sequence of notes."""
STATIC mp_obj_t synthio_synthesizer_release_all_then_press(mp_obj_t self_in, mp_obj_t press) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
common_hal_synthio_synthesizer_release_all(self);
common_hal_synthio_synthesizer_press(self, press);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(synthio_synthesizer_release_all_then_press_obj, synthio_synthesizer_release_all_then_press);
//
//| def release_all(self) -> None:
//| """Turn any currently-playing notes off"""
STATIC mp_obj_t synthio_synthesizer_release_all(mp_obj_t self_in) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
common_hal_synthio_synthesizer_release_all(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(synthio_synthesizer_release_all_obj, synthio_synthesizer_release_all);
//| def deinit(self) -> None:
//| """Deinitialises the object and releases any memory resources for reuse."""
//| ...
STATIC mp_obj_t synthio_synthesizer_deinit(mp_obj_t self_in) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
common_hal_synthio_synthesizer_deinit(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(synthio_synthesizer_deinit_obj, synthio_synthesizer_deinit);
//| def __enter__(self) -> Synthesizer:
//| """No-op used by Context Managers."""
//| ...
// Provided by context manager helper.
//|
//| def __exit__(self) -> None:
//| """Automatically deinitializes the hardware when exiting a context. See
//| :ref:`lifetime-and-contextmanagers` for more info."""
//| ...
STATIC mp_obj_t synthio_synthesizer_obj___exit__(size_t n_args, const mp_obj_t *args) {
(void)n_args;
common_hal_synthio_synthesizer_deinit(args[0]);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(synthio_synthesizer___exit___obj, 4, 4, synthio_synthesizer_obj___exit__);
//| envelope: Optional[Envelope]
//| """The envelope to apply to all notes. `None`, the default envelope, instantly turns notes on and off. The envelope may be changed dynamically, but it affects all notes (even currently playing notes)"""
STATIC mp_obj_t synthio_synthesizer_obj_get_envelope(mp_obj_t self_in) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
return synthio_synth_envelope_get(&self->synth);
}
MP_DEFINE_CONST_FUN_OBJ_1(synthio_synthesizer_get_envelope_obj, synthio_synthesizer_obj_get_envelope);
STATIC mp_obj_t synthio_synthesizer_obj_set_envelope(mp_obj_t self_in, mp_obj_t envelope) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
synthio_synth_envelope_set(&self->synth, envelope);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(synthio_synthesizer_set_envelope_obj, synthio_synthesizer_obj_set_envelope);
MP_PROPERTY_GETSET(synthio_synthesizer_envelope_obj,
(mp_obj_t)&synthio_synthesizer_get_envelope_obj,
(mp_obj_t)&synthio_synthesizer_set_envelope_obj);
//| sample_rate: int
//| """32 bit value that tells how quickly samples are played in Hertz (cycles per second)."""
STATIC mp_obj_t synthio_synthesizer_obj_get_sample_rate(mp_obj_t self_in) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
return MP_OBJ_NEW_SMALL_INT(common_hal_synthio_synthesizer_get_sample_rate(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(synthio_synthesizer_get_sample_rate_obj, synthio_synthesizer_obj_get_sample_rate);
MP_PROPERTY_GETTER(synthio_synthesizer_sample_rate_obj,
(mp_obj_t)&synthio_synthesizer_get_sample_rate_obj);
//| pressed: NoteSequence
//| """A sequence of the currently pressed notes (read-only property).
//|
//| This does not include notes in the release phase of the envelope."""
//|
STATIC mp_obj_t synthio_synthesizer_obj_get_pressed(mp_obj_t self_in) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
return common_hal_synthio_synthesizer_get_pressed_notes(self);
}
MP_DEFINE_CONST_FUN_OBJ_1(synthio_synthesizer_get_pressed_obj, synthio_synthesizer_obj_get_pressed);
MP_PROPERTY_GETTER(synthio_synthesizer_pressed_obj,
(mp_obj_t)&synthio_synthesizer_get_pressed_obj);
2023-07-20 15:05:56 -04:00
//| def note_info(self, note: Note) -> Tuple[Optional[EnvelopeState], float]:
//| """Get info about a note's current envelope state
//|
//| If the note is currently playing (including in the release phase), the returned value gives the current envelope state and the current envelope value.
//|
//| If the note is not playing on this synthesizer, returns the tuple ``(None, 0.0)``."""
STATIC mp_obj_t synthio_synthesizer_obj_note_info(mp_obj_t self_in, mp_obj_t note) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
mp_float_t vol = MICROPY_FLOAT_CONST(0.0);
envelope_state_e state = common_hal_synthio_synthesizer_note_info(self, note, &vol);
return MP_OBJ_NEW_TUPLE(
cp_enum_find(&synthio_note_state_type, state),
mp_obj_new_float(vol));
}
MP_DEFINE_CONST_FUN_OBJ_2(synthio_synthesizer_note_info_obj, synthio_synthesizer_obj_note_info);
//| blocks: List[BlockInput]
//| """A list of blocks to advance whether or not they are associated with a playing note.
//|
//| This can be used to implement 'free-running' LFOs. LFOs associated with playing notes are advanced whether or not they are in this list.
//|
//| This property is read-only but its contents may be modified by e.g., calling ``synth.blocks.append()`` or ``synth.blocks.remove()``. It is initially an empty list."""
//|
STATIC mp_obj_t synthio_synthesizer_obj_get_blocks(mp_obj_t self_in) {
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);
return common_hal_synthio_synthesizer_get_blocks(self);
}
MP_DEFINE_CONST_FUN_OBJ_1(synthio_synthesizer_get_blocks_obj, synthio_synthesizer_obj_get_blocks);
MP_PROPERTY_GETTER(synthio_synthesizer_blocks_obj,
(mp_obj_t)&synthio_synthesizer_get_blocks_obj);
2023-04-05 17:20:35 -04:00
//| max_polyphony: int
//| """Maximum polyphony of the synthesizer (read-only class property)"""
//|
2023-05-29 14:07:15 -04:00
//| def low_pass_filter(cls, frequency: float, q_factor: float = 0.7071067811865475) -> Biquad:
//| """Construct a low-pass filter with the given parameters.
//|
2023-05-29 14:07:15 -04:00
//| ``frequency``, called f0 in the cookbook, is the corner frequency in Hz
//| of the filter.
//|
2023-05-29 14:07:15 -04:00
//| ``q_factor``, called ``Q`` in the cookbook. Controls how peaked the response will be at the cutoff frequency. A large value makes the response more peaked.
//| """
enum passfilter_arg_e { ARG_f0, ARG_Q };
// M_PI is not part of the math.h standard and may not be defined
// And by defining our own we can ensure it uses the correct const format.
#define MP_PI MICROPY_FLOAT_CONST(3.14159265358979323846)
static const mp_arg_t passfilter_properties[] = {
{ MP_QSTR_frequency, MP_ARG_OBJ | MP_ARG_REQUIRED, {.u_obj = MP_ROM_NONE} },
{ MP_QSTR_Q, MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL } },
};
STATIC mp_obj_t synthio_synthesizer_lpf(size_t n_pos, const mp_obj_t *pos_args, mp_map_t *kw_args) {
mp_arg_val_t args[MP_ARRAY_SIZE(passfilter_properties)];
mp_obj_t self_in = pos_args[0];
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_arg_parse_all(n_pos - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(passfilter_properties), passfilter_properties, args);
mp_float_t f0 = mp_arg_validate_type_float(args[ARG_f0].u_obj, MP_QSTR_f0);
mp_float_t Q =
args[ARG_Q].u_obj == MP_OBJ_NULL ? MICROPY_FLOAT_CONST(0.7071067811865475) :
mp_arg_validate_type_float(args[ARG_Q].u_obj, MP_QSTR_Q);
mp_float_t w0 = f0 / self->synth.sample_rate * 2 * MP_PI;
return common_hal_synthio_new_lpf(w0, Q);
}
MP_DEFINE_CONST_FUN_OBJ_KW(synthio_synthesizer_lpf_fun_obj, 1, synthio_synthesizer_lpf);
2023-05-29 14:07:15 -04:00
//| def high_pass_filter(
//| cls, frequency: float, q_factor: float = 0.7071067811865475
//| ) -> Biquad:
//| """Construct a high-pass filter with the given parameters.
//|
2023-05-29 14:07:15 -04:00
//| ``frequency``, called f0 in the cookbook, is the corner frequency in Hz
//| of the filter.
//|
2023-05-29 14:07:15 -04:00
//| ``q_factor``, called ``Q`` in the cookbook. Controls how peaked the response will be at the cutoff frequency. A large value makes the response more peaked.
//| """
STATIC mp_obj_t synthio_synthesizer_hpf(size_t n_pos, const mp_obj_t *pos_args, mp_map_t *kw_args) {
mp_arg_val_t args[MP_ARRAY_SIZE(passfilter_properties)];
mp_obj_t self_in = pos_args[0];
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_arg_parse_all(n_pos - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(passfilter_properties), passfilter_properties, args);
mp_float_t f0 = mp_arg_validate_type_float(args[ARG_f0].u_obj, MP_QSTR_f0);
mp_float_t Q =
args[ARG_Q].u_obj == MP_OBJ_NULL ? MICROPY_FLOAT_CONST(0.7071067811865475) :
mp_arg_validate_type_float(args[ARG_Q].u_obj, MP_QSTR_Q);
mp_float_t w0 = f0 / self->synth.sample_rate * 2 * MP_PI;
return common_hal_synthio_new_hpf(w0, Q);
}
2023-05-29 14:07:15 -04:00
//| def band_pass_filter(
//| cls, frequency: float, q_factor: float = 0.7071067811865475
//| ) -> Biquad:
//| """Construct a band-pass filter with the given parameters.
//|
2023-05-29 14:07:15 -04:00
//| ``frequency``, called f0 in the cookbook, is the center frequency in Hz
//| of the filter.
//|
2023-05-29 14:07:15 -04:00
//| ``q_factor``, called ``Q`` in the cookbook. Controls how peaked the response will be at the cutoff frequency. A large value makes the response more peaked.
//|
//| The coefficients are scaled such that the filter has a 0dB peak gain.
//| """
//|
MP_DEFINE_CONST_FUN_OBJ_KW(synthio_synthesizer_hpf_fun_obj, 1, synthio_synthesizer_hpf);
STATIC mp_obj_t synthio_synthesizer_bpf(size_t n_pos, const mp_obj_t *pos_args, mp_map_t *kw_args) {
mp_arg_val_t args[MP_ARRAY_SIZE(passfilter_properties)];
mp_obj_t self_in = pos_args[0];
synthio_synthesizer_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_arg_parse_all(n_pos - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(passfilter_properties), passfilter_properties, args);
mp_float_t f0 = mp_arg_validate_type_float(args[ARG_f0].u_obj, MP_QSTR_f0);
mp_float_t Q =
args[ARG_Q].u_obj == MP_OBJ_NULL ? MICROPY_FLOAT_CONST(0.7071067811865475) :
mp_arg_validate_type_float(args[ARG_Q].u_obj, MP_QSTR_Q);
mp_float_t w0 = f0 / self->synth.sample_rate * 2 * MP_PI;
return common_hal_synthio_new_bpf(w0, Q);
}
MP_DEFINE_CONST_FUN_OBJ_KW(synthio_synthesizer_bpf_fun_obj, 1, synthio_synthesizer_bpf);
STATIC const mp_rom_map_elem_t synthio_synthesizer_locals_dict_table[] = {
// Methods
{ MP_ROM_QSTR(MP_QSTR_press), MP_ROM_PTR(&synthio_synthesizer_press_obj) },
2023-04-17 11:59:54 -04:00
{ MP_ROM_QSTR(MP_QSTR_release), MP_ROM_PTR(&synthio_synthesizer_release_obj) },
{ MP_ROM_QSTR(MP_QSTR_release_all), MP_ROM_PTR(&synthio_synthesizer_release_all_obj) },
{ MP_ROM_QSTR(MP_QSTR_change), MP_ROM_PTR(&synthio_synthesizer_change_obj) },
{ MP_ROM_QSTR(MP_QSTR_release_then_press), MP_ROM_PTR(&synthio_synthesizer_change_obj) },
{ MP_ROM_QSTR(MP_QSTR_release_all_then_press), MP_ROM_PTR(&synthio_synthesizer_release_all_then_press_obj) },
{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&synthio_synthesizer_deinit_obj) },
{ MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
{ MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&synthio_synthesizer___exit___obj) },
{ MP_ROM_QSTR(MP_QSTR_low_pass_filter), MP_ROM_PTR(&synthio_synthesizer_lpf_fun_obj) },
{ MP_ROM_QSTR(MP_QSTR_high_pass_filter), MP_ROM_PTR(&synthio_synthesizer_hpf_fun_obj) },
{ MP_ROM_QSTR(MP_QSTR_band_pass_filter), MP_ROM_PTR(&synthio_synthesizer_bpf_fun_obj) },
// Properties
{ MP_ROM_QSTR(MP_QSTR_envelope), MP_ROM_PTR(&synthio_synthesizer_envelope_obj) },
{ MP_ROM_QSTR(MP_QSTR_sample_rate), MP_ROM_PTR(&synthio_synthesizer_sample_rate_obj) },
2023-04-05 17:20:35 -04:00
{ MP_ROM_QSTR(MP_QSTR_max_polyphony), MP_ROM_INT(CIRCUITPY_SYNTHIO_MAX_CHANNELS) },
{ MP_ROM_QSTR(MP_QSTR_pressed), MP_ROM_PTR(&synthio_synthesizer_pressed_obj) },
{ MP_ROM_QSTR(MP_QSTR_note_info), MP_ROM_PTR(&synthio_synthesizer_note_info_obj) },
{ MP_ROM_QSTR(MP_QSTR_blocks), MP_ROM_PTR(&synthio_synthesizer_blocks_obj) },
};
STATIC MP_DEFINE_CONST_DICT(synthio_synthesizer_locals_dict, synthio_synthesizer_locals_dict_table);
STATIC const audiosample_p_t synthio_synthesizer_proto = {
MP_PROTO_IMPLEMENT(MP_QSTR_protocol_audiosample)
.sample_rate = (audiosample_sample_rate_fun)common_hal_synthio_synthesizer_get_sample_rate,
.bits_per_sample = (audiosample_bits_per_sample_fun)common_hal_synthio_synthesizer_get_bits_per_sample,
.channel_count = (audiosample_channel_count_fun)common_hal_synthio_synthesizer_get_channel_count,
.reset_buffer = (audiosample_reset_buffer_fun)synthio_synthesizer_reset_buffer,
.get_buffer = (audiosample_get_buffer_fun)synthio_synthesizer_get_buffer,
.get_buffer_structure = (audiosample_get_buffer_structure_fun)synthio_synthesizer_get_buffer_structure,
};
const mp_obj_type_t synthio_synthesizer_type = {
{ &mp_type_type },
.name = MP_QSTR_Synthesizer,
.flags = MP_TYPE_FLAG_EXTENDED,
.make_new = synthio_synthesizer_make_new,
.locals_dict = (mp_obj_dict_t *)&synthio_synthesizer_locals_dict,
MP_TYPE_EXTENDED_FIELDS(
.protocol = &synthio_synthesizer_proto,
),
};