/* * 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 #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/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, };