Zephyr API Documentation
4.0.0-rc2
A Scalable Open Source RTOS
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lc3.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2020 Intel Corporation
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* Copyright (c) 2022-2024 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_LC3_H_
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#define ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_LC3_H_
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#include <
zephyr/sys/util_macro.h
>
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#include <
zephyr/bluetooth/byteorder.h
>
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#include <
zephyr/bluetooth/hci_types.h
>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define BT_AUDIO_CODEC_CAP_LC3_DATA(_freq, _duration, _chan_count, _len_min, _len_max, \
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_max_frames_per_sdu) \
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{ \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CAP_TYPE_FREQ, BT_BYTES_LIST_LE16(_freq)), \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CAP_TYPE_DURATION, (_duration)), \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CAP_TYPE_CHAN_COUNT, (_chan_count)), \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CAP_TYPE_FRAME_LEN, \
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BT_BYTES_LIST_LE16(_len_min), \
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BT_BYTES_LIST_LE16(_len_max)), \
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COND_CODE_1(_max_frames_per_sdu, (), \
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(BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CAP_TYPE_FRAME_COUNT, \
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(_max_frames_per_sdu)))) \
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}
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#define BT_AUDIO_CODEC_CAP_LC3_META(_prefer_context) \
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{ \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_METADATA_TYPE_PREF_CONTEXT, \
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BT_BYTES_LIST_LE16(_prefer_context)) \
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}
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#define BT_AUDIO_CODEC_CAP_LC3(_freq, _duration, _chan_count, _len_min, _len_max, \
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_max_frames_per_sdu, _prefer_context) \
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BT_AUDIO_CODEC_CAP(BT_HCI_CODING_FORMAT_LC3, 0x0000, 0x0000, \
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BT_AUDIO_CODEC_CAP_LC3_DATA(_freq, _duration, _chan_count, _len_min, \
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_len_max, _max_frames_per_sdu), \
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BT_AUDIO_CODEC_CAP_LC3_META(_prefer_context))
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#define BT_AUDIO_CODEC_CFG_LC3_DATA(_freq, _duration, _loc, _len, _frames_per_sdu) \
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{ \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CFG_FREQ, (_freq)), \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CFG_DURATION, (_duration)), \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CFG_CHAN_ALLOC, BT_BYTES_LIST_LE32(_loc)), \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CFG_FRAME_LEN, BT_BYTES_LIST_LE16(_len)), \
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COND_CODE_1(_frames_per_sdu, (), \
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(BT_AUDIO_CODEC_DATA(BT_AUDIO_CODEC_CFG_FRAME_BLKS_PER_SDU, \
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(_frames_per_sdu)))) \
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}
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#define BT_AUDIO_CODEC_CFG_LC3_META(_stream_context) \
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{ \
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BT_AUDIO_CODEC_DATA(BT_AUDIO_METADATA_TYPE_STREAM_CONTEXT, \
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BT_BYTES_LIST_LE16(_stream_context)) \
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}
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#define BT_AUDIO_CODEC_LC3_CONFIG(_freq, _duration, _loc, _len, _frames_per_sdu, _stream_context) \
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BT_AUDIO_CODEC_CFG( \
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BT_HCI_CODING_FORMAT_LC3, 0x0000, 0x0000, \
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BT_AUDIO_CODEC_CFG_LC3_DATA(_freq, _duration, _loc, _len, _frames_per_sdu), \
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BT_AUDIO_CODEC_CFG_LC3_META(_stream_context))
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#ifdef __cplusplus
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}
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#endif
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#endif
/* ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_LC3_H_ */
byteorder.h
Bluetooth byteorder API.
hci_types.h
util_macro.h
Macro utilities.
zephyr
bluetooth
audio
lc3.h
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