37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2018 Scott Shawcroft
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//
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// SPDX-License-Identifier: MIT
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#pragma once
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#include "py/obj.h"
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#include "shared-module/audiocore/__init__.h"
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typedef struct {
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mp_obj_base_t base;
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uint8_t *buffer;
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uint32_t len;
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uint8_t bits_per_sample;
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bool samples_signed;
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uint8_t channel_count;
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uint32_t sample_rate;
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bool single_buffer;
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uint8_t buffer_index;
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} audioio_rawsample_obj_t;
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// These are not available from Python because it may be called in an interrupt.
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void audioio_rawsample_reset_buffer(audioio_rawsample_obj_t *self,
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bool single_channel_output,
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uint8_t channel);
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audioio_get_buffer_result_t audioio_rawsample_get_buffer(audioio_rawsample_obj_t *self,
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bool single_channel_output,
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uint8_t channel,
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uint8_t **buffer,
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uint32_t *buffer_length); // length in bytes
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void audioio_rawsample_get_buffer_structure(audioio_rawsample_obj_t *self, bool single_channel_output,
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bool *single_buffer, bool *samples_signed,
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uint32_t *max_buffer_length, uint8_t *spacing);
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