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Diffstat (limited to 'shared-bindings/audioio/WaveFile.c')
| -rw-r--r-- | shared-bindings/audioio/WaveFile.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/shared-bindings/audioio/WaveFile.c b/shared-bindings/audioio/WaveFile.c deleted file mode 100644 index 2d2ef578b..000000000 --- a/shared-bindings/audioio/WaveFile.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * This file is part of the Micro Python project, http://micropython.org/ - * - * The MIT License (MIT) - * - * Copyright (c) 2018 Scott Shawcroft 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 "lib/utils/context_manager_helpers.h" -#include "py/objproperty.h" -#include "py/runtime.h" -#include "shared-bindings/audioio/WaveFile.h" -#include "shared-bindings/util.h" -#include "supervisor/shared/translate.h" - -//| .. currentmodule:: audioio -//| -//| :class:`WaveFile` -- Load a wave file for audio playback -//| ======================================================== -//| -//| A .wav file prepped for audio playback. Only mono and stereo files are supported. Samples must -//| be 8 bit unsigned or 16 bit signed. -//| -//| .. class:: WaveFile(filename) -//| -//| Load a .wav file for playback with `audioio.AudioOut` or `audiobusio.I2SOut`. -//| -//| :param bytes-like file: Already opened wave file -//| -//| Playing a wave file from flash:: -//| -//| import board -//| import audioio -//| import digitalio -//| -//| # Required for CircuitPlayground Express -//| speaker_enable = digitalio.DigitalInOut(board.SPEAKER_ENABLE) -//| speaker_enable.switch_to_output(value=True) -//| -//| data = open("cplay-5.1-16bit-16khz.wav", "rb") -//| wav = audioio.WaveFile(data) -//| a = audioio.AudioOut(board.A0) -//| -//| print("playing") -//| a.play(wav) -//| while a.playing: -//| pass -//| print("stopped") -//| -STATIC mp_obj_t audioio_wavefile_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) { - mp_arg_check_num(n_args, n_kw, 1, 1, true); - - audioio_wavefile_obj_t *self = m_new_obj(audioio_wavefile_obj_t); - self->base.type = &audioio_wavefile_type; - if (MP_OBJ_IS_TYPE(args[0], &mp_type_fileio)) { - common_hal_audioio_wavefile_construct(self, MP_OBJ_TO_PTR(args[0])); - } else { - mp_raise_TypeError(translate("file must be a file opened in byte mode")); - } - - return MP_OBJ_FROM_PTR(self); -} - -//| .. method:: deinit() -//| -//| Deinitialises the WaveFile and releases all memory resources for reuse. -//| -STATIC mp_obj_t audioio_wavefile_deinit(mp_obj_t self_in) { - audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in); - common_hal_audioio_wavefile_deinit(self); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_deinit_obj, audioio_wavefile_deinit); - -//| .. method:: __enter__() -//| -//| No-op used by Context Managers. -//| -// Provided by context manager helper. - -//| .. method:: __exit__() -//| -//| Automatically deinitializes the hardware when exiting a context. See -//| :ref:`lifetime-and-contextmanagers` for more info. -//| -STATIC mp_obj_t audioio_wavefile_obj___exit__(size_t n_args, const mp_obj_t *args) { - (void)n_args; - common_hal_audioio_wavefile_deinit(args[0]); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(audioio_wavefile___exit___obj, 4, 4, audioio_wavefile_obj___exit__); - -//| .. attribute:: sample_rate -//| -//| 32 bit value that dictates how quickly samples are loaded into the DAC -//| in Hertz (cycles per second). When the sample is looped, this can change -//| the pitch output without changing the underlying sample. -//| -STATIC mp_obj_t audioio_wavefile_obj_get_sample_rate(mp_obj_t self_in) { - audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in); - raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self)); - return MP_OBJ_NEW_SMALL_INT(common_hal_audioio_wavefile_get_sample_rate(self)); -} -MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_get_sample_rate_obj, audioio_wavefile_obj_get_sample_rate); - -STATIC mp_obj_t audioio_wavefile_obj_set_sample_rate(mp_obj_t self_in, mp_obj_t sample_rate) { - audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in); - raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self)); - common_hal_audioio_wavefile_set_sample_rate(self, mp_obj_get_int(sample_rate)); - return mp_const_none; -} -MP_DEFINE_CONST_FUN_OBJ_2(audioio_wavefile_set_sample_rate_obj, audioio_wavefile_obj_set_sample_rate); - -const mp_obj_property_t audioio_wavefile_sample_rate_obj = { - .base.type = &mp_type_property, - .proxy = {(mp_obj_t)&audioio_wavefile_get_sample_rate_obj, - (mp_obj_t)&audioio_wavefile_set_sample_rate_obj, - (mp_obj_t)&mp_const_none_obj}, -}; - -//| .. attribute:: bits_per_sample -//| -//| Bits per sample. (read only) -//| -STATIC mp_obj_t audioio_wavefile_obj_get_bits_per_sample(mp_obj_t self_in) { - audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in); - raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self)); - return MP_OBJ_NEW_SMALL_INT(common_hal_audioio_wavefile_get_bits_per_sample(self)); -} -MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_get_bits_per_sample_obj, audioio_wavefile_obj_get_bits_per_sample); - -const mp_obj_property_t audioio_wavefile_bits_per_sample_obj = { - .base.type = &mp_type_property, - .proxy = {(mp_obj_t)&audioio_wavefile_get_bits_per_sample_obj, - (mp_obj_t)&mp_const_none_obj, - (mp_obj_t)&mp_const_none_obj}, -}; - -//| .. attribute:: channel_count -//| -//| Number of audio channels. (read only) -//| -STATIC mp_obj_t audioio_wavefile_obj_get_channel_count(mp_obj_t self_in) { - audioio_wavefile_obj_t *self = MP_OBJ_TO_PTR(self_in); - raise_error_if_deinited(common_hal_audioio_wavefile_deinited(self)); - return MP_OBJ_NEW_SMALL_INT(common_hal_audioio_wavefile_get_channel_count(self)); -} -MP_DEFINE_CONST_FUN_OBJ_1(audioio_wavefile_get_channel_count_obj, audioio_wavefile_obj_get_channel_count); - -const mp_obj_property_t audioio_wavefile_channel_count_obj = { - .base.type = &mp_type_property, - .proxy = {(mp_obj_t)&audioio_wavefile_get_channel_count_obj, - (mp_obj_t)&mp_const_none_obj, - (mp_obj_t)&mp_const_none_obj}, -}; - - -STATIC const mp_rom_map_elem_t audioio_wavefile_locals_dict_table[] = { - // Methods - { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&audioio_wavefile_deinit_obj) }, - { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) }, - { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&audioio_wavefile___exit___obj) }, - - // Properties - { MP_ROM_QSTR(MP_QSTR_sample_rate), MP_ROM_PTR(&audioio_wavefile_sample_rate_obj) }, - { MP_ROM_QSTR(MP_QSTR_bits_per_sample), MP_ROM_PTR(&audioio_wavefile_bits_per_sample_obj) }, - { MP_ROM_QSTR(MP_QSTR_channel_count), MP_ROM_PTR(&audioio_wavefile_channel_count_obj) }, -}; -STATIC MP_DEFINE_CONST_DICT(audioio_wavefile_locals_dict, audioio_wavefile_locals_dict_table); - -const mp_obj_type_t audioio_wavefile_type = { - { &mp_type_type }, - .name = MP_QSTR_WaveFile, - .make_new = audioio_wavefile_make_new, - .locals_dict = (mp_obj_dict_t*)&audioio_wavefile_locals_dict, -}; |