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+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 DeanM 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 "shared-bindings/audiomixer/Mixer.h"
+#include "shared-bindings/audiomixer/MixerVoice.h"
+
+#include <stdint.h>
+
+#include "shared/runtime/context_manager_helpers.h"
+#include "py/binary.h"
+#include "py/objproperty.h"
+#include "py/runtime.h"
+#include "shared-bindings/microcontroller/Pin.h"
+#include "shared-bindings/audiocore/RawSample.h"
+#include "shared-bindings/util.h"
+#include "supervisor/shared/translate.h"
+
+//| class MixerVoice:
+//| """Voice objects used with Mixer
+//|
+//| Used to access and control samples with `audiomixer.Mixer`."""
+//|
+//| def __init__(self) -> None:
+//| """MixerVoice instance object(s) created by `audiomixer.Mixer`."""
+//| ...
+//|
+// TODO: support mono or stereo voices
+STATIC mp_obj_t audiomixer_mixervoice_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
+ mp_arg_check_num(n_args, n_kw, 0, 0, false);
+ audiomixer_mixervoice_obj_t *self = m_new_obj(audiomixer_mixervoice_obj_t);
+ self->base.type = &audiomixer_mixervoice_type;
+
+ common_hal_audiomixer_mixervoice_construct(self);
+
+ return MP_OBJ_FROM_PTR(self);
+}
+
+//| def play(self, sample: circuitpython_typing.AudioSample, *, loop: bool = False) -> None:
+//| """Plays the sample once when ``loop=False``, and continuously when ``loop=True``.
+//| Does not block. Use `playing` to block.
+//|
+//| Sample must be an `audiocore.WaveFile`, `audiocore.RawSample`, `audiomixer.Mixer` or `audiomp3.MP3Decoder`.
+//|
+//| The sample must match the `audiomixer.Mixer`'s encoding settings given in the constructor."""
+//| ...
+//|
+STATIC mp_obj_t audiomixer_mixervoice_obj_play(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ enum { ARG_sample, ARG_loop };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_sample, MP_ARG_OBJ | MP_ARG_REQUIRED },
+ { MP_QSTR_loop, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
+ };
+ audiomixer_mixervoice_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
+ 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);
+
+ mp_obj_t sample = args[ARG_sample].u_obj;
+ common_hal_audiomixer_mixervoice_play(self, sample, args[ARG_loop].u_bool);
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_KW(audiomixer_mixervoice_play_obj, 1, audiomixer_mixervoice_obj_play);
+
+//| def stop(self) -> None:
+//| """Stops playback of the sample on this voice."""
+//| ...
+//|
+STATIC mp_obj_t audiomixer_mixervoice_obj_stop(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ enum { ARG_voice };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_voice, MP_ARG_INT, {.u_int = 0} },
+ };
+ audiomixer_mixervoice_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
+ 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);
+
+ common_hal_audiomixer_mixervoice_stop(self);
+
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_KW(audiomixer_mixervoice_stop_obj, 1, audiomixer_mixervoice_obj_stop);
+
+//| level: float
+//| """The volume level of a voice, as a floating point number between 0 and 1."""
+//|
+STATIC mp_obj_t audiomixer_mixervoice_obj_get_level(mp_obj_t self_in) {
+ return mp_obj_new_float(common_hal_audiomixer_mixervoice_get_level(self_in));
+}
+MP_DEFINE_CONST_FUN_OBJ_1(audiomixer_mixervoice_get_level_obj, audiomixer_mixervoice_obj_get_level);
+
+STATIC mp_obj_t audiomixer_mixervoice_obj_set_level(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+ enum { ARG_level };
+ static const mp_arg_t allowed_args[] = {
+ { MP_QSTR_level, MP_ARG_OBJ | MP_ARG_REQUIRED },
+ };
+ audiomixer_mixervoice_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
+ 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);
+
+ float level = mp_obj_get_float(args[ARG_level].u_obj);
+
+ if (level > 1 || level < 0) {
+ mp_raise_ValueError(translate("level must be between 0 and 1"));
+ }
+
+ common_hal_audiomixer_mixervoice_set_level(self, level);
+
+ return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_KW(audiomixer_mixervoice_set_level_obj, 1, audiomixer_mixervoice_obj_set_level);
+
+MP_PROPERTY_GETSET(audiomixer_mixervoice_level_obj,
+ (mp_obj_t)&audiomixer_mixervoice_get_level_obj,
+ (mp_obj_t)&audiomixer_mixervoice_set_level_obj);
+
+//| playing: bool
+//| """True when this voice is being output. (read-only)"""
+//|
+
+STATIC mp_obj_t audiomixer_mixervoice_obj_get_playing(mp_obj_t self_in) {
+ audiomixer_mixervoice_obj_t *self = MP_OBJ_TO_PTR(self_in);
+
+ return mp_obj_new_bool(common_hal_audiomixer_mixervoice_get_playing(self));
+
+}
+MP_DEFINE_CONST_FUN_OBJ_1(audiomixer_mixervoice_get_playing_obj, audiomixer_mixervoice_obj_get_playing);
+
+MP_PROPERTY_GETTER(audiomixer_mixervoice_playing_obj,
+ (mp_obj_t)&audiomixer_mixervoice_get_playing_obj);
+
+STATIC const mp_rom_map_elem_t audiomixer_mixervoice_locals_dict_table[] = {
+ // Methods
+ { MP_ROM_QSTR(MP_QSTR_play), MP_ROM_PTR(&audiomixer_mixervoice_play_obj) },
+ { MP_ROM_QSTR(MP_QSTR_stop), MP_ROM_PTR(&audiomixer_mixervoice_stop_obj) },
+
+ // Properties
+ { MP_ROM_QSTR(MP_QSTR_playing), MP_ROM_PTR(&audiomixer_mixervoice_playing_obj) },
+ { MP_ROM_QSTR(MP_QSTR_level), MP_ROM_PTR(&audiomixer_mixervoice_level_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(audiomixer_mixervoice_locals_dict, audiomixer_mixervoice_locals_dict_table);
+
+const mp_obj_type_t audiomixer_mixervoice_type = {
+ { &mp_type_type },
+ .name = MP_QSTR_MixerVoice,
+ .make_new = audiomixer_mixervoice_make_new,
+ .locals_dict = (mp_obj_dict_t *)&audiomixer_mixervoice_locals_dict,
+};