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Added inline pyi to audiocore

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dherrada 2020-04-27 16:49:12 -04:00
parent e96235d0cf
commit 088b5b1785
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2 changed files with 96 additions and 107 deletions
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98
shared-bindings/audiocore/RawSample.c
View File

@ -35,45 +35,45 @@
#include "shared-bindings/audiocore/RawSample.h"
#include "supervisor/shared/translate.h"
//| .. currentmodule:: audiocore
//|class RawSample:
//| """.. currentmodule:: audiocore
//|
//| :class:`RawSample` -- A raw audio sample buffer
//| ========================================================
//| :class:`RawSample` -- A raw audio sample buffer
//| ========================================================
//|
//| An in-memory sound sample
//| An in-memory sound sample"""
//|
//| .. class:: RawSample(buffer, *, channel_count=1, sample_rate=8000)
//| def __init__(self, buffer: array.array, *, channel_count: int = 1, sample_rate: int = 8000):
//| """Create a RawSample based on the given buffer of signed values. If channel_count is more than
//| 1 then each channel's samples should alternate. In other words, for a two channel buffer, the
//| first sample will be for channel 1, the second sample will be for channel two, the third for
//| channel 1 and so on.
//|
//| Create a RawSample based on the given buffer of signed values. If channel_count is more than
//| 1 then each channel's samples should alternate. In other words, for a two channel buffer, the
//| first sample will be for channel 1, the second sample will be for channel two, the third for
//| channel 1 and so on.
//| :param array.array buffer: An `array.array` with samples
//| :param int channel_count: The number of channels in the buffer
//| :param int sample_rate: The desired playback sample rate
//|
//| :param array.array buffer: An `array.array` with samples
//| :param int channel_count: The number of channels in the buffer
//| :param int sample_rate: The desired playback sample rate
//| Simple 8ksps 440 Hz sin wave::
//|
//| Simple 8ksps 440 Hz sin wave::
//| import audiocore
//| import audioio
//| import board
//| import array
//| import time
//| import math
//|
//| import audiocore
//| import audioio
//| import board
//| import array
//| import time
//| import math
//|
//| # Generate one period of sine wav.
//| length = 8000 // 440
//| sine_wave = array.array("h", [0] * length)
//| for i in range(length):
//| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18) * (2 ** 15))
//|
//| dac = audioio.AudioOut(board.SPEAKER)
//| sine_wave = audiocore.RawSample(sine_wave)
//| dac.play(sine_wave, loop=True)
//| time.sleep(1)
//| dac.stop()
//| # Generate one period of sine wav.
//| length = 8000 // 440
//| sine_wave = array.array("h", [0] * length)
//| for i in range(length):
//| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18) * (2 ** 15))
//|
//| dac = audioio.AudioOut(board.SPEAKER)
//| sine_wave = audiocore.RawSample(sine_wave)
//| dac.play(sine_wave, loop=True)
//| time.sleep(1)
//| dac.stop()"""
//| ...
STATIC mp_obj_t audioio_rawsample_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_buffer, ARG_channel_count, ARG_sample_rate };
static const mp_arg_t allowed_args[] = {
@ -105,10 +105,9 @@ STATIC mp_obj_t audioio_rawsample_make_new(const mp_obj_type_t *type, size_t n_a
return MP_OBJ_FROM_PTR(self);
}
//| .. method:: deinit()
//|
//| Deinitialises the AudioOut and releases any hardware resources for reuse.
//|
//| def deinit(self, ) -> Any:
//| """Deinitialises the AudioOut and releases any hardware resources for reuse."""
//| ...
STATIC mp_obj_t audioio_rawsample_deinit(mp_obj_t self_in) {
audioio_rawsample_obj_t *self = MP_OBJ_TO_PTR(self_in);
common_hal_audioio_rawsample_deinit(self);
@ -122,17 +121,15 @@ STATIC void check_for_deinit(audioio_rawsample_obj_t *self) {
}
}
//| .. method:: __enter__()
//|
//| No-op used by Context Managers.
//|
//| def __enter__(self, ) -> Any:
//| """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.
//|
//| def __exit__(self, ) -> Any:
//| """Automatically deinitializes the hardware when exiting a context. See
//| :ref:`lifetime-and-contextmanagers` for more info."""
//| ...
STATIC mp_obj_t audioio_rawsample_obj___exit__(size_t n_args, const mp_obj_t *args) {
(void)n_args;
common_hal_audioio_rawsample_deinit(args[0]);
@ -140,13 +137,12 @@ STATIC mp_obj_t audioio_rawsample_obj___exit__(size_t n_args, const mp_obj_t *ar
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(audioio_rawsample___exit___obj, 4, 4, audioio_rawsample_obj___exit__);
//| .. attribute:: sample_rate
//|
//| 32 bit value that dictates how quickly samples are played in Hertz (cycles per second).
//| When the sample is looped, this can change the pitch output without changing the underlying
//| sample. This will not change the sample rate of any active playback. Call ``play`` again to
//| change it.
//|
//| sample_rate: Any =
//| """32 bit value that dictates how quickly samples are played in Hertz (cycles per second).
//| When the sample is looped, this can change the pitch output without changing the underlying
//| sample. This will not change the sample rate of any active playback. Call ``play`` again to
//| change it."""
//| ...
STATIC mp_obj_t audioio_rawsample_obj_get_sample_rate(mp_obj_t self_in) {
audioio_rawsample_obj_t *self = MP_OBJ_TO_PTR(self_in);
check_for_deinit(self);

105
shared-bindings/audiocore/WaveFile.c
View File

@ -33,44 +33,43 @@
#include "shared-bindings/util.h"
#include "supervisor/shared/translate.h"
//| .. currentmodule:: audiocore
//|class WaveFile:
//| """.. currentmodule:: audiocore
//|
//| :class:`WaveFile` -- Load a wave file for audio playback
//| ========================================================
//| :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. If a buffer is provided, it will be used instead of allocating
//| an internal buffer.
//| A .wav file prepped for audio playback. Only mono and stereo files are supported. Samples must
//| be 8 bit unsigned or 16 bit signed. If a buffer is provided, it will be used instead of allocating
//| an internal buffer."""
//| def __init__(self, file: typing.BinaryIO, buffer: bytearray):
//| """Load a .wav file for playback with `audioio.AudioOut` or `audiobusio.I2SOut`.
//|
//| .. class:: WaveFile(file[, buffer])
//|
//| Load a .wav file for playback with `audioio.AudioOut` or `audiobusio.I2SOut`.
//|
//| :param typing.BinaryIO file: Already opened wave file
//| :param bytearray buffer: Optional pre-allocated buffer, that will be split in half and used for double-buffering of the data. If not provided, two 512 byte buffers are allocated internally.
//| :param typing.BinaryIO file: Already opened wave file
//| :param bytearray buffer: Optional pre-allocated buffer, that will be split in half and used for double-buffering of the data. If not provided, two 512 byte buffers are allocated internally.
//|
//|
//| Playing a wave file from flash::
//| Playing a wave file from flash::
//|
//| import board
//| import audiocore
//| import audioio
//| import digitalio
//| import board
//| import audiocore
//| import audioio
//| import digitalio
//|
//| # Required for CircuitPlayground Express
//| speaker_enable = digitalio.DigitalInOut(board.SPEAKER_ENABLE)
//| speaker_enable.switch_to_output(value=True)
//| # 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 = audiocore.WaveFile(data)
//| a = audioio.AudioOut(board.A0)
//|
//| print("playing")
//| a.play(wav)
//| while a.playing:
//| pass
//| print("stopped")
//| data = open("cplay-5.1-16bit-16khz.wav", "rb")
//| wav = audiocore.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, const mp_obj_t *args, mp_map_t *kw_args) {
mp_arg_check_num(n_args, kw_args, 1, 2, false);
@ -93,10 +92,9 @@ STATIC mp_obj_t audioio_wavefile_make_new(const mp_obj_type_t *type, size_t n_ar
return MP_OBJ_FROM_PTR(self);
}
//| .. method:: deinit()
//|
//| Deinitialises the WaveFile and releases all memory resources for reuse.
//|
//| def deinit(self, ) -> Any:
//| """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);
@ -110,17 +108,15 @@ STATIC void check_for_deinit(audioio_wavefile_obj_t *self) {
}
}
//| .. method:: __enter__()
//|
//| No-op used by Context Managers.
//|
//| def __enter__(self, ) -> Any:
//| """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.
//|
//| def __exit__(self, ) -> Any:
//| """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]);
@ -128,12 +124,11 @@ STATIC mp_obj_t audioio_wavefile_obj___exit__(size_t n_args, const mp_obj_t *arg
}
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.
//|
//| sample_rate: Any =
//| """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);
check_for_deinit(self);
@ -156,10 +151,9 @@ const mp_obj_property_t audioio_wavefile_sample_rate_obj = {
(mp_obj_t)&mp_const_none_obj},
};
//| .. attribute:: bits_per_sample
//|
//| Bits per sample. (read only)
//|
//| bits_per_sample: Any =
//| """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);
check_for_deinit(self);
@ -174,10 +168,9 @@ const mp_obj_property_t audioio_wavefile_bits_per_sample_obj = {
(mp_obj_t)&mp_const_none_obj},
};
//| .. attribute:: channel_count
//|
//| Number of audio channels. (read only)
//|
//| channel_count: Any =
//| """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);
check_for_deinit(self);