xref: /btstack/src/le-audio/le_audio_util.h (revision 09d23cbe75e3e5d7ada5df115ad743348614338d)

/*
 * Copyright (C) 2022 BlueKitchen GmbH
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 * modification, are permitted provided that the following conditions
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 *
 * 1. Redistributions of source code must retain the above copyright
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 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 4. Any redistribution, use, or modification is done solely for
 *    personal benefit and not for any commercial purpose or for
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 *
 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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/**
 * @title LE Audio Util
 *
 */

#ifndef LE_AUDIO_UTIL_H
#define LE_AUDIO_UTIL_H

#include <stdint.h>
#include "le_audio.h"
#include "btstack_lc3.h"

#if defined __cplusplus
extern "C" {
#endif

uint16_t le_audio_util_virtual_memcpy_helper(
    const uint8_t * field_data, uint16_t field_len, uint16_t field_offset,
    uint8_t * buffer, uint16_t buffer_size, uint16_t buffer_offset);

uint16_t le_audio_util_metadata_virtual_memcpy(const le_audio_metadata_t * metadata, uint8_t metadata_length, uint16_t * records_offset, uint8_t * buffer, uint16_t buffer_size, uint16_t buffer_offset);

uint16_t le_audio_util_metadata_parse(uint8_t * buffer, uint8_t buffer_size, le_audio_metadata_t * metadata);

uint16_t le_audio_util_metadata_serialize(le_audio_metadata_t * metadata, uint8_t * event, uint16_t event_size);

uint16_t le_audio_util_metadata_serialize_using_mask(le_audio_metadata_t * metadata, uint8_t * tlv_buffer, uint16_t tlv_buffer_size);


btstack_lc3_frame_duration_t le_audio_util_get_btstack_lc3_frame_duration(le_audio_codec_frame_duration_index_t frame_duration_index);

uint16_t le_audio_get_frame_duration_us(le_audio_codec_frame_duration_index_t frame_duration_index);
le_audio_codec_frame_duration_index_t le_audio_get_frame_duration_index(uint16_t frame_duration_us);


uint32_t le_audio_get_sampling_frequency_hz(le_audio_codec_sampling_frequency_index_t sampling_frequency_index);
le_audio_codec_sampling_frequency_index_t le_audio_get_sampling_frequency_index(uint32_t sampling_frequency_hz);

#if defined __cplusplus
}
#endif

#endif