Fix several type hints

3 files changed, 13 insertions, 6 deletions

diff --git a/shared-bindings/audiocore/RawSample.c b/shared-bindings/audiocore/RawSample.c
index 20ebae001..fd8652c14 100644
--- a/shared-bindings/audiocore/RawSample.c
+++ b/shared-bindings/audiocore/RawSample.c
@@ -38,13 +38,13 @@
 //| class RawSample:
 //|     """A raw audio sample buffer in memory"""
 //|
-//|     def __init__(self, buffer: array.array, *, channel_count: int = 1, sample_rate: int = 8000) -> None:
+//|     def __init__(self, buffer: ReadableBuffer, *, channel_count: int = 1, sample_rate: int = 8000) -> None:
 //|         """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 ReadableBuffer buffer: A buffer with samples
 //|         :param int channel_count: The number of channels in the buffer
 //|         :param int sample_rate: The desired playback sample rate
 //|
@@ -136,7 +136,7 @@ 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__);
 
-//|     sample_rate: Optional(int) = ...
+//|     sample_rate: Optional[int]
 //|     """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
diff --git a/shared-bindings/audiocore/WaveFile.c b/shared-bindings/audiocore/WaveFile.c
index d986d6db5..89c731c68 100644
--- a/shared-bindings/audiocore/WaveFile.c
+++ b/shared-bindings/audiocore/WaveFile.c
@@ -125,7 +125,7 @@ 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__);
 
-//|     sample_rate: int = ...
+//|     sample_rate: int
 //|     """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."""
@@ -152,7 +152,7 @@ const mp_obj_property_t audioio_wavefile_sample_rate_obj = {
               (mp_obj_t)&mp_const_none_obj},
 };
 
-//|     bits_per_sample: int = ...
+//|     bits_per_sample: int
 //|     """Bits per sample. (read only)"""
 //|
 STATIC mp_obj_t audioio_wavefile_obj_get_bits_per_sample(mp_obj_t self_in) {
@@ -168,7 +168,7 @@ const mp_obj_property_t audioio_wavefile_bits_per_sample_obj = {
               (mp_obj_t)&mp_const_none_obj,
               (mp_obj_t)&mp_const_none_obj},
 };
-//|     channel_count: int = ...
+//|     channel_count: int
 //|     """Number of audio channels. (read only)"""
 //|
 STATIC mp_obj_t audioio_wavefile_obj_get_channel_count(mp_obj_t self_in) {
diff --git a/shared-bindings/audiocore/__init__.c b/shared-bindings/audiocore/__init__.c
index b400b9454..a27dcefa4 100644
--- a/shared-bindings/audiocore/__init__.c
+++ b/shared-bindings/audiocore/__init__.c
@@ -38,6 +38,13 @@
 //| """Support for audio samples"""
 //|
 
+//| _AudioSample = Union[audiocore.WaveFile, audiocore.RawSample, audiomixer.Mixer, audiomp3.MP3Decoder]
+//| """An audio sample for playback with `audioio.AudioOut`, `audiobusio.I2SOut` or `audiopwmio.PWMAudioOut`.
+//|
+//| Supported sources are :py:class:`audiocore.WaveFile`, :py:class:`audiocore.RawSample`,
+//| :py:class:`audiomixer.Mixer` and :py:class:`audiomp3.MP3Decoder`."""
+//|
+
 STATIC const mp_rom_map_elem_t audiocore_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_audiocore) },
     { MP_ROM_QSTR(MP_QSTR_RawSample), MP_ROM_PTR(&audioio_rawsample_type) },