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Diffstat (limited to 'circuitpython/shared-bindings/audiomixer/MixerVoice.c')
-rw-r--r-- | circuitpython/shared-bindings/audiomixer/MixerVoice.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/audiomixer/MixerVoice.c b/circuitpython/shared-bindings/audiomixer/MixerVoice.c new file mode 100644 index 0000000..f02b952 --- /dev/null +++ b/circuitpython/shared-bindings/audiomixer/MixerVoice.c @@ -0,0 +1,168 @@ +/* + * 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, +}; |