Zephyr Project API  3.2.0
A Scalable Open Source RTOS
Data Structures | Macros | Enumerations
AUDIO
Bluetooth APIs

LC3. More...

Data Structures

struct  bt_codec_lc3_frame_len
 

Macros

#define BT_CODEC_LC3_ID   0x06
 LC3 codec ID. More...
 
#define BT_CODEC_LC3_FREQ_8KHZ   BIT(0)
 LC3 8 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_11KHZ   BIT(1)
 LC3 11.025 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_16KHZ   BIT(2)
 LC3 16 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_22KHZ   BIT(3)
 LC3 22.05 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_24KHZ   BIT(4)
 LC3 24 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_32KHZ   BIT(5)
 LC3 32 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_44KHZ   BIT(6)
 LC3 44.1 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_48KHZ   BIT(7)
 LC3 48 Khz frequency capability. More...
 
#define BT_CODEC_LC3_FREQ_ANY
 LC3 any frequency capability. More...
 
#define BT_CODEC_LC3_DURATION_7_5   BIT(0)
 LC3 7.5 msec frame duration capability. More...
 
#define BT_CODEC_LC3_DURATION_10   BIT(1)
 LC3 10 msec frame duration capability. More...
 
#define BT_CODEC_LC3_DURATION_ANY
 LC3 any frame duration capability. More...
 
#define BT_CODEC_LC3_DURATION_PREFER_7_5   BIT(4)
 LC3 7.5 msec preferred frame duration capability. More...
 
#define BT_CODEC_LC3_DURATION_PREFER_10   BIT(5)
 LC3 10 msec preferred frame duration capability. More...
 
#define BT_CODEC_LC3_CHAN_COUNT_MIN   1
 LC3 minimum supported channel counts. More...
 
#define BT_CODEC_LC3_CHAN_COUNT_MAX   8
 LC3 maximum supported channel counts. More...
 
#define BT_CODEC_LC3_CHAN_COUNT_SUPPORT(...)   ((uint8_t)((FOR_EACH(BIT, (|), __VA_ARGS__)) >> 1))
 LC3 channel count support capability. More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_8KHZ   0x01
 8 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_11KHZ   0x02
 11.025 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_16KHZ   0x03
 16 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_22KHZ   0x04
 22.05 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_24KHZ   0x05
 24 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_32KHZ   0x06
 32 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_44KHZ   0x07
 44.1 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_48KHZ   0x08
 48 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_88KHZ   0x09
 88.2 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_96KHZ   0x0a
 96 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_176KHZ   0x0b
 176.4 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_192KHZ   0x0c
 192 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_FREQ_384KHZ   0x0d
 384 Khz codec Sample Frequency configuration More...
 
#define BT_CODEC_CONFIG_LC3_DURATION_7_5   0x00
 LC3 7.5 msec Frame Duration configuration. More...
 
#define BT_CODEC_CONFIG_LC3_DURATION_10   0x01
 LC3 10 msec Frame Duration configuration. More...
 
#define BT_CODEC_LC3_DATA(_freq, _duration, _chan_count, _len_min, _len_max, _max_frames_per_sdu)
 Helper to declare LC3 codec capability. More...
 
#define BT_CODEC_LC3_META(_prefer_context)
 Helper to declare LC3 codec metadata. More...
 
#define BT_CODEC_LC3(_freq, _duration, _chan_count, _len_min, _len_max, _max_frames_per_sdu, _prefer_context)
 Helper to declare LC3 codec. More...
 
#define BT_CODEC_LC3_CONFIG_DATA(_freq, _duration, _loc, _len, _frame_blocks_per_sdu)
 Helper to declare LC3 codec data configuration. More...
 
#define BT_CODEC_LC3_CONFIG_META(_stream_context)
 Helper to declare LC3 codec metadata configuration. More...
 
#define BT_CODEC_LC3_CONFIG(_freq, _duration, _loc, _len, _frames_per_sdu, _stream_context)
 Helper to declare LC3 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_8_1(_loc, _stream_context)
 Helper to declare LC3 8.1 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_8_2(_loc, _stream_context)
 Helper to declare LC3 8.2 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_16_1(_loc, _stream_context)
 Helper to declare LC3 16.1 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_16_2(_loc, _stream_context)
 Helper to declare LC3 16.2 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_24_1(_loc, _stream_context)
 Helper to declare LC3 24.1 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_24_2(_loc, _stream_context)
 Helper to declare LC3 24.2 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_32_1(_loc, _stream_context)
 Helper to declare LC3 32.1 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_32_2(_loc, _stream_context)
 Helper to declare LC3 32.2 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_441_1(_loc, _stream_context)
 Helper to declare LC3 441.1 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_441_2(_loc, _stream_context)
 Helper to declare LC3 441.2 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_48_1(_loc, _stream_context)
 Helper to declare LC3 48.1 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_48_2(_loc, _stream_context)
 Helper to declare LC3 48.2 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_48_3(_loc, _stream_context)
 Helper to declare LC3 48.3 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_48_4(_loc, _stream_context)
 Helper to declare LC3 48.4 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_48_5(_loc, _stream_context)
 Helper to declare LC3 48.5 codec configuration. More...
 
#define BT_CODEC_LC3_CONFIG_48_6(_loc, _stream_context)
 Helper to declare LC3 48.6 codec configuration. More...
 
#define BT_CODEC_LC3_QOS_7_5(_framing, _sdu, _rtn, _latency, _pd)
 Helper to declare LC3 codec QoS for 7.5ms interval. More...
 
#define BT_CODEC_LC3_QOS_7_5_UNFRAMED(_sdu, _rtn, _latency, _pd)    BT_CODEC_QOS_UNFRAMED(7500u, _sdu, _rtn, _latency, _pd)
 Helper to declare LC3 codec QoS for 7.5ms interval unframed input. More...
 
#define BT_CODEC_LC3_QOS_10(_framing, _sdu, _rtn, _latency, _pd)
 Helper to declare LC3 codec QoS for 10ms frame internal. More...
 
#define BT_CODEC_LC3_QOS_10_UNFRAMED(_sdu, _rtn, _latency, _pd)    BT_CODEC_QOS_UNFRAMED(10000u, _sdu, _rtn, _latency, _pd)
 Helper to declare LC3 codec QoS for 10ms interval unframed input. More...
 

Enumerations

enum  bt_codec_capability_type {
  BT_CODEC_LC3_FREQ = 0x01 , BT_CODEC_LC3_DURATION = 0x02 , BT_CODEC_LC3_CHAN_COUNT = 0x03 , BT_CODEC_LC3_FRAME_LEN = 0x04 ,
  BT_CODEC_LC3_FRAME_COUNT = 0x05
}
 Codec capability type id's. More...
 
enum  bt_codec_config_type {
  BT_CODEC_CONFIG_LC3_FREQ = 0x01 , BT_CODEC_CONFIG_LC3_DURATION = 0x02 , BT_CODEC_CONFIG_LC3_CHAN_ALLOC = 0x03 , BT_CODEC_CONFIG_LC3_FRAME_LEN = 0x04 ,
  BT_CODEC_CONFIG_LC3_FRAME_BLKS_PER_SDU = 0x05
}
 Codec configuration type IDs. More...
 

Detailed Description

LC3.

Macro Definition Documentation

◆ BT_CODEC_CONFIG_LC3_DURATION_10

#define BT_CODEC_CONFIG_LC3_DURATION_10   0x01

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 10 msec Frame Duration configuration.

◆ BT_CODEC_CONFIG_LC3_DURATION_7_5

#define BT_CODEC_CONFIG_LC3_DURATION_7_5   0x00

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 7.5 msec Frame Duration configuration.

◆ BT_CODEC_CONFIG_LC3_FREQ_11KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_11KHZ   0x02

#include <include/zephyr/bluetooth/audio/lc3.h>

11.025 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_16KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_16KHZ   0x03

#include <include/zephyr/bluetooth/audio/lc3.h>

16 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_176KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_176KHZ   0x0b

#include <include/zephyr/bluetooth/audio/lc3.h>

176.4 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_192KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_192KHZ   0x0c

#include <include/zephyr/bluetooth/audio/lc3.h>

192 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_22KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_22KHZ   0x04

#include <include/zephyr/bluetooth/audio/lc3.h>

22.05 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_24KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_24KHZ   0x05

#include <include/zephyr/bluetooth/audio/lc3.h>

24 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_32KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_32KHZ   0x06

#include <include/zephyr/bluetooth/audio/lc3.h>

32 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_384KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_384KHZ   0x0d

#include <include/zephyr/bluetooth/audio/lc3.h>

384 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_44KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_44KHZ   0x07

#include <include/zephyr/bluetooth/audio/lc3.h>

44.1 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_48KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_48KHZ   0x08

#include <include/zephyr/bluetooth/audio/lc3.h>

48 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_88KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_88KHZ   0x09

#include <include/zephyr/bluetooth/audio/lc3.h>

88.2 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_8KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_8KHZ   0x01

#include <include/zephyr/bluetooth/audio/lc3.h>

8 Khz codec Sample Frequency configuration

◆ BT_CODEC_CONFIG_LC3_FREQ_96KHZ

#define BT_CODEC_CONFIG_LC3_FREQ_96KHZ   0x0a

#include <include/zephyr/bluetooth/audio/lc3.h>

96 Khz codec Sample Frequency configuration

◆ BT_CODEC_LC3

#define BT_CODEC_LC3 (   _freq,
  _duration,
  _chan_count,
  _len_min,
  _len_max,
  _max_frames_per_sdu,
  _prefer_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC(BT_CODEC_LC3_ID, 0x0000, 0x0000, \
BT_CODEC_LC3_DATA(_freq, _duration, _chan_count, _len_min, \
_len_max, _max_frames_per_sdu), \
BT_CODEC_LC3_META(_prefer_context))
BT_CODEC
#define BT_CODEC(_id, _cid, _vid, _data, _meta)
Helper to declare bt_codec structure.
Definition: audio.h:206
BT_CODEC_LC3_ID
#define BT_CODEC_LC3_ID
LC3 codec ID.
Definition: lc3.h:31
BT_CODEC_LC3_META
#define BT_CODEC_LC3_META(_prefer_context)
Helper to declare LC3 codec metadata.
Definition: lc3.h:278
BT_CODEC_LC3_DATA
#define BT_CODEC_LC3_DATA(_freq, _duration, _chan_count, _len_min, _len_max, _max_frames_per_sdu)
Helper to declare LC3 codec capability.
Definition: lc3.h:258

Helper to declare LC3 codec.

◆ BT_CODEC_LC3_CHAN_COUNT_MAX

#define BT_CODEC_LC3_CHAN_COUNT_MAX   8

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 maximum supported channel counts.

◆ BT_CODEC_LC3_CHAN_COUNT_MIN

#define BT_CODEC_LC3_CHAN_COUNT_MIN   1

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 minimum supported channel counts.

◆ BT_CODEC_LC3_CHAN_COUNT_SUPPORT

#define BT_CODEC_LC3_CHAN_COUNT_SUPPORT (   ...)    ((uint8_t)((FOR_EACH(BIT, (|), __VA_ARGS__)) >> 1))

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 channel count support capability.

Macro accepts variable number of channel counts. The allowed channel counts are defined by specification and have to be in range from BT_CODEC_LC3_CHAN_COUNT_MIN to BT_CODEC_LC3_CHAN_COUNT_MAX inclusive.

Example to support 1 and 3 channels: BT_CODEC_LC3_CHAN_COUNT_SUPPORT(1, 3)

◆ BT_CODEC_LC3_CONFIG

#define BT_CODEC_LC3_CONFIG (   _freq,
  _duration,
  _loc,
  _len,
  _frames_per_sdu,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC(BT_CODEC_LC3_ID, 0x0000, 0x0000, \
BT_CODEC_LC3_CONFIG_DATA(_freq, _duration, _loc, _len, _frames_per_sdu), \
BT_CODEC_LC3_CONFIG_META(_stream_context))
BT_CODEC_LC3_CONFIG_DATA
#define BT_CODEC_LC3_CONFIG_DATA(_freq, _duration, _loc, _len, _frame_blocks_per_sdu)
Helper to declare LC3 codec data configuration.
Definition: lc3.h:306
BT_CODEC_LC3_CONFIG_META
#define BT_CODEC_LC3_CONFIG_META(_stream_context)
Helper to declare LC3 codec metadata configuration.
Definition: lc3.h:326

Helper to declare LC3 codec configuration.

Parameters
<em>freqSampling frequency (BT_CODEC_CONFIG_LC3_FREQ*)
<em>durationFrame duration (BT_CODEC_CONFIG_LC3_DURATION*)
_locAudio channel location bitfield (bt_audio_location)
_lenOctets per frame (16-bit integer)
_frames_per_sduFrames per SDU (8-bit integer)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_16_1

#define BT_CODEC_LC3_CONFIG_16_1 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_16KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 30u, \
1, _stream_context)
BT_CODEC_LC3_CONFIG
#define BT_CODEC_LC3_CONFIG(_freq, _duration, _loc, _len, _frames_per_sdu, _stream_context)
Helper to declare LC3 codec configuration.
Definition: lc3.h:343
BT_CODEC_CONFIG_LC3_DURATION_7_5
#define BT_CODEC_CONFIG_LC3_DURATION_7_5
LC3 7.5 msec Frame Duration configuration.
Definition: lc3.h:240
BT_CODEC_CONFIG_LC3_FREQ_16KHZ
#define BT_CODEC_CONFIG_LC3_FREQ_16KHZ
16 Khz codec Sample Frequency configuration
Definition: lc3.h:195

Helper to declare LC3 16.1 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_16_2

#define BT_CODEC_LC3_CONFIG_16_2 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_16KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 40u, \
1, _stream_context)
BT_CODEC_CONFIG_LC3_DURATION_10
#define BT_CODEC_CONFIG_LC3_DURATION_10
LC3 10 msec Frame Duration configuration.
Definition: lc3.h:244

Helper to declare LC3 16.2 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_24_1

#define BT_CODEC_LC3_CONFIG_24_1 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_24KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 45u, \
1, _stream_context)
BT_CODEC_CONFIG_LC3_FREQ_24KHZ
#define BT_CODEC_CONFIG_LC3_FREQ_24KHZ
24 Khz codec Sample Frequency configuration
Definition: lc3.h:203

Helper to declare LC3 24.1 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_24_2

#define BT_CODEC_LC3_CONFIG_24_2 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_24KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 60u, \
1, _stream_context)

Helper to declare LC3 24.2 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_32_1

#define BT_CODEC_LC3_CONFIG_32_1 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_32KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 60u, \
1, _stream_context)
BT_CODEC_CONFIG_LC3_FREQ_32KHZ
#define BT_CODEC_CONFIG_LC3_FREQ_32KHZ
32 Khz codec Sample Frequency configuration
Definition: lc3.h:207

Helper to declare LC3 32.1 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_32_2

#define BT_CODEC_LC3_CONFIG_32_2 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_32KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 80u, \
1, _stream_context)

Helper to declare LC3 32.2 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_441_1

#define BT_CODEC_LC3_CONFIG_441_1 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_44KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 98u, \
1, _stream_context)
BT_CODEC_CONFIG_LC3_FREQ_44KHZ
#define BT_CODEC_CONFIG_LC3_FREQ_44KHZ
44.1 Khz codec Sample Frequency configuration
Definition: lc3.h:211

Helper to declare LC3 441.1 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_441_2

#define BT_CODEC_LC3_CONFIG_441_2 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_44KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 130u, \
1, _stream_context)

Helper to declare LC3 441.2 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_48_1

#define BT_CODEC_LC3_CONFIG_48_1 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_48KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 75u, \
1, _stream_context)
BT_CODEC_CONFIG_LC3_FREQ_48KHZ
#define BT_CODEC_CONFIG_LC3_FREQ_48KHZ
48 Khz codec Sample Frequency configuration
Definition: lc3.h:215

Helper to declare LC3 48.1 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_48_2

#define BT_CODEC_LC3_CONFIG_48_2 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_48KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 100u, \
1, _stream_context)

Helper to declare LC3 48.2 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_48_3

#define BT_CODEC_LC3_CONFIG_48_3 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_48KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 90u, \
1, _stream_context)

Helper to declare LC3 48.3 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_48_4

#define BT_CODEC_LC3_CONFIG_48_4 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_48KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 120u, \
1, _stream_context)

Helper to declare LC3 48.4 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_48_5

#define BT_CODEC_LC3_CONFIG_48_5 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_48KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 117u, \
1, _stream_context)

Helper to declare LC3 48.5 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_48_6

#define BT_CODEC_LC3_CONFIG_48_6 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_48KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 155u, \
1, _stream_context)

Helper to declare LC3 48.6 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_8_1

#define BT_CODEC_LC3_CONFIG_8_1 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_8KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_7_5, _loc, 26u, \
1, _stream_context)
BT_CODEC_CONFIG_LC3_FREQ_8KHZ
#define BT_CODEC_CONFIG_LC3_FREQ_8KHZ
8 Khz codec Sample Frequency configuration
Definition: lc3.h:187

Helper to declare LC3 8.1 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_8_2

#define BT_CODEC_LC3_CONFIG_8_2 (   _loc,
  _stream_context 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_LC3_CONFIG(BT_CODEC_CONFIG_LC3_FREQ_8KHZ, \
BT_CODEC_CONFIG_LC3_DURATION_10, _loc, 30u, \
1, _stream_context)

Helper to declare LC3 8.2 codec configuration.

Parameters
_locAudio channel location bitfield (bt_audio_location)
<em>stream_contextStream context (BT_AUDIO_CONTEXT*)

◆ BT_CODEC_LC3_CONFIG_DATA

#define BT_CODEC_LC3_CONFIG_DATA (   _freq,
  _duration,
  _loc,
  _len,
  _frame_blocks_per_sdu 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
{ \
BT_CODEC_DATA(BT_CODEC_CONFIG_LC3_FREQ, _freq), \
BT_CODEC_DATA(BT_CODEC_CONFIG_LC3_DURATION, _duration), \
BT_CODEC_DATA(BT_CODEC_CONFIG_LC3_CHAN_ALLOC, \
((_loc) & 0xFFU), \
(((_loc) >> 8) & 0xFFU), \
(((_loc) >> 16) & 0xFFU), \
(((_loc) >> 24) & 0xFFU)), \
BT_CODEC_DATA(BT_CODEC_CONFIG_LC3_FRAME_LEN, \
((_len) & 0xFFU), \
(((_len) >> 8) & 0xFFU)) \
COND_CODE_1(_frame_blocks_per_sdu, (), \
(, BT_CODEC_DATA(BT_CODEC_CONFIG_LC3_FRAME_BLKS_PER_SDU, \
_frames_per_sdu))) \
}
BT_CODEC_DATA
#define BT_CODEC_DATA(_type, _bytes...)
Helper to declare elements of bt_codec_data arrays.
Definition: audio.h:191
BT_CODEC_CONFIG_LC3_FREQ
@ BT_CODEC_CONFIG_LC3_FREQ
LC3 Sample Frequency configuration type.
Definition: lc3.h:169
BT_CODEC_CONFIG_LC3_CHAN_ALLOC
@ BT_CODEC_CONFIG_LC3_CHAN_ALLOC
LC3 channel Allocation configuration type.
Definition: lc3.h:175
BT_CODEC_CONFIG_LC3_FRAME_LEN
@ BT_CODEC_CONFIG_LC3_FRAME_LEN
LC3 Frame Length configuration type.
Definition: lc3.h:178
BT_CODEC_CONFIG_LC3_DURATION
@ BT_CODEC_CONFIG_LC3_DURATION
LC3 Frame Duration configuration type.
Definition: lc3.h:172
BT_CODEC_CONFIG_LC3_FRAME_BLKS_PER_SDU
@ BT_CODEC_CONFIG_LC3_FRAME_BLKS_PER_SDU
Codec frame blocks, per SDU configuration type.
Definition: lc3.h:181

Helper to declare LC3 codec data configuration.

_frame_blocks_per_sdu value is optional and will be included only if != 1

◆ BT_CODEC_LC3_CONFIG_META

#define BT_CODEC_LC3_CONFIG_META (   _stream_context)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
{ \
BT_CODEC_DATA(BT_AUDIO_METADATA_TYPE_STREAM_CONTEXT, \
((_stream_context) & 0xFFU), \
(((_stream_context) >> 8) & 0xFFU)) \
}
BT_AUDIO_METADATA_TYPE_STREAM_CONTEXT
@ BT_AUDIO_METADATA_TYPE_STREAM_CONTEXT
Streaming audio context.
Definition: audio.h:122

Helper to declare LC3 codec metadata configuration.

◆ BT_CODEC_LC3_DATA

#define BT_CODEC_LC3_DATA (   _freq,
  _duration,
  _chan_count,
  _len_min,
  _len_max,
  _max_frames_per_sdu 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
{ \
BT_CODEC_DATA(BT_CODEC_LC3_FREQ, \
((_freq) & 0xFFU), \
(((_freq) >> 8) & 0xFFU)), \
BT_CODEC_DATA(BT_CODEC_LC3_DURATION, _duration), \
BT_CODEC_DATA(BT_CODEC_LC3_CHAN_COUNT, _chan_count), \
BT_CODEC_DATA(BT_CODEC_LC3_FRAME_LEN, \
((_len_min) & 0xFFU), \
(((_len_min) >> 8) & 0xFFU), \
((_len_max) & 0xFFU), \
(((_len_max) >> 8) & 0xFFU)) \
COND_CODE_1(_max_frames_per_sdu, (), \
(, BT_CODEC_DATA(BT_CODEC_LC3_FRAME_COUNT, \
_max_frames_per_sdu))) \
}
BT_CODEC_LC3_FRAME_COUNT
@ BT_CODEC_LC3_FRAME_COUNT
Max codec frame count per SDU capability type.
Definition: lc3.h:66
BT_CODEC_LC3_FRAME_LEN
@ BT_CODEC_LC3_FRAME_LEN
LC3 frame length capability type.
Definition: lc3.h:61
BT_CODEC_LC3_CHAN_COUNT
@ BT_CODEC_LC3_CHAN_COUNT
LC3 channel count capability type.
Definition: lc3.h:56
BT_CODEC_LC3_DURATION
@ BT_CODEC_LC3_DURATION
LC3 frame duration capability type.
Definition: lc3.h:51
BT_CODEC_LC3_FREQ
@ BT_CODEC_LC3_FREQ
LC3 sample frequency capability type.
Definition: lc3.h:46

Helper to declare LC3 codec capability.

_max_frames_per_sdu value is optional and will be included only if != 1

◆ BT_CODEC_LC3_DURATION_10

#define BT_CODEC_LC3_DURATION_10   BIT(1)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 10 msec frame duration capability.

◆ BT_CODEC_LC3_DURATION_7_5

#define BT_CODEC_LC3_DURATION_7_5   BIT(0)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 7.5 msec frame duration capability.

◆ BT_CODEC_LC3_DURATION_ANY

#define BT_CODEC_LC3_DURATION_ANY

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
(BT_CODEC_LC3_DURATION_7_5 | \
BT_CODEC_LC3_DURATION_10)
BT_CODEC_LC3_DURATION_7_5
#define BT_CODEC_LC3_DURATION_7_5
LC3 7.5 msec frame duration capability.
Definition: lc3.h:114

LC3 any frame duration capability.

◆ BT_CODEC_LC3_DURATION_PREFER_10

#define BT_CODEC_LC3_DURATION_PREFER_10   BIT(5)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 10 msec preferred frame duration capability.

◆ BT_CODEC_LC3_DURATION_PREFER_7_5

#define BT_CODEC_LC3_DURATION_PREFER_7_5   BIT(4)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 7.5 msec preferred frame duration capability.

◆ BT_CODEC_LC3_FREQ_11KHZ

#define BT_CODEC_LC3_FREQ_11KHZ   BIT(1)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 11.025 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_16KHZ

#define BT_CODEC_LC3_FREQ_16KHZ   BIT(2)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 16 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_22KHZ

#define BT_CODEC_LC3_FREQ_22KHZ   BIT(3)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 22.05 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_24KHZ

#define BT_CODEC_LC3_FREQ_24KHZ   BIT(4)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 24 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_32KHZ

#define BT_CODEC_LC3_FREQ_32KHZ   BIT(5)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 32 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_44KHZ

#define BT_CODEC_LC3_FREQ_44KHZ   BIT(6)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 44.1 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_48KHZ

#define BT_CODEC_LC3_FREQ_48KHZ   BIT(7)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 48 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_8KHZ

#define BT_CODEC_LC3_FREQ_8KHZ   BIT(0)

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 8 Khz frequency capability.

◆ BT_CODEC_LC3_FREQ_ANY

#define BT_CODEC_LC3_FREQ_ANY

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
(BT_CODEC_LC3_FREQ_8KHZ | \
BT_CODEC_LC3_FREQ_16KHZ | \
BT_CODEC_LC3_FREQ_24KHZ | \
BT_CODEC_LC3_FREQ_32KHZ | \
BT_CODEC_LC3_FREQ_44KHZ | \
BT_CODEC_LC3_FREQ_48KHZ)
BT_CODEC_LC3_FREQ_8KHZ
#define BT_CODEC_LC3_FREQ_8KHZ
LC3 8 Khz frequency capability.
Definition: lc3.h:72

LC3 any frequency capability.

◆ BT_CODEC_LC3_ID

#define BT_CODEC_LC3_ID   0x06

#include <include/zephyr/bluetooth/audio/lc3.h>

LC3 codec ID.

◆ BT_CODEC_LC3_META

#define BT_CODEC_LC3_META (   _prefer_context)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
{ \
BT_CODEC_DATA(BT_AUDIO_METADATA_TYPE_PREF_CONTEXT, \
((_prefer_context) & 0xFFU), \
(((_prefer_context) >> 8) & 0xFFU)) \
}
BT_AUDIO_METADATA_TYPE_PREF_CONTEXT
@ BT_AUDIO_METADATA_TYPE_PREF_CONTEXT
Preferred audio context.
Definition: audio.h:111

Helper to declare LC3 codec metadata.

◆ BT_CODEC_LC3_QOS_10

#define BT_CODEC_LC3_QOS_10 (   _framing,
  _sdu,
  _rtn,
  _latency,
  _pd 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_QOS(10000u, _framing, BT_CODEC_QOS_2M, _sdu, _rtn, \
_latency, _pd)
BT_CODEC_QOS
#define BT_CODEC_QOS(_interval, _framing, _phy, _sdu, _rtn, _latency, _pd)
Helper to declare elements of bt_codec_qos.
Definition: audio.h:336
BT_CODEC_QOS_2M
@ BT_CODEC_QOS_2M
Definition: audio.h:357

Helper to declare LC3 codec QoS for 10ms frame internal.

◆ BT_CODEC_LC3_QOS_10_UNFRAMED

#define BT_CODEC_LC3_QOS_10_UNFRAMED (   _sdu,
  _rtn,
  _latency,
  _pd 
)     BT_CODEC_QOS_UNFRAMED(10000u, _sdu, _rtn, _latency, _pd)

#include <include/zephyr/bluetooth/audio/lc3.h>

Helper to declare LC3 codec QoS for 10ms interval unframed input.

◆ BT_CODEC_LC3_QOS_7_5

#define BT_CODEC_LC3_QOS_7_5 (   _framing,
  _sdu,
  _rtn,
  _latency,
  _pd 
)

#include <include/zephyr/bluetooth/audio/lc3.h>

Value:
BT_CODEC_QOS(7500u, _framing, BT_CODEC_QOS_2M, _sdu, _rtn, \
_latency, _pd)

Helper to declare LC3 codec QoS for 7.5ms interval.

◆ BT_CODEC_LC3_QOS_7_5_UNFRAMED

#define BT_CODEC_LC3_QOS_7_5_UNFRAMED (   _sdu,
  _rtn,
  _latency,
  _pd 
)     BT_CODEC_QOS_UNFRAMED(7500u, _sdu, _rtn, _latency, _pd)

#include <include/zephyr/bluetooth/audio/lc3.h>

Helper to declare LC3 codec QoS for 7.5ms interval unframed input.

Enumeration Type Documentation

◆ bt_codec_capability_type

enum bt_codec_capability_type

#include <include/zephyr/bluetooth/audio/lc3.h>

Codec capability type id's.

Used to build and parse codec capabilities as specified in the PAC specification. Source is assigned numbers for Generic Audio, bluetooth.com.

Even though they are in-fixed with LC3 they can be used for other codec types as well.

Enumerator
BT_CODEC_LC3_FREQ 

LC3 sample frequency capability type.

BT_CODEC_LC3_DURATION 

LC3 frame duration capability type.

BT_CODEC_LC3_CHAN_COUNT 

LC3 channel count capability type.

BT_CODEC_LC3_FRAME_LEN 

LC3 frame length capability type.

BT_CODEC_LC3_FRAME_COUNT 

Max codec frame count per SDU capability type.

◆ bt_codec_config_type

enum bt_codec_config_type

#include <include/zephyr/bluetooth/audio/lc3.h>

Codec configuration type IDs.

Used to build and parse codec configurations as specified in the ASCS and BAP specifications. Source is assigned numbers for Generic Audio, bluetooth.com.

Even though they are in-fixed with LC3 they can be used for other codec types as well.

Enumerator
BT_CODEC_CONFIG_LC3_FREQ 

LC3 Sample Frequency configuration type.

BT_CODEC_CONFIG_LC3_DURATION 

LC3 Frame Duration configuration type.

BT_CODEC_CONFIG_LC3_CHAN_ALLOC 

LC3 channel Allocation configuration type.

BT_CODEC_CONFIG_LC3_FRAME_LEN 

LC3 Frame Length configuration type.

BT_CODEC_CONFIG_LC3_FRAME_BLKS_PER_SDU 

Codec frame blocks, per SDU configuration type.