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Bluetooth: BAP: Support setting different values per dir in CIG #74495

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Aug 14, 2024
Merged

Bluetooth: BAP: Support setting different values per dir in CIG #74495

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6 changes: 4 additions & 2 deletions include/zephyr/bluetooth/audio/bap.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1143,8 +1143,10 @@ struct bt_bap_unicast_group_param {
/**
* @brief Create audio unicast group.
*
* Create a new audio unicast group with one or more audio streams as a unicast client. Streams in
* a unicast group shall share the same interval, framing and latency (see @ref bt_audio_codec_qos).
* Create a new audio unicast group with one or more audio streams as a unicast client.
* All streams shall share the same framing.
* All streams in the same direction shall share the same interval and latency (see
* @ref bt_audio_codec_qos).
*
* @param[in] param The unicast group create parameters.
* @param[out] unicast_group Pointer to the unicast group created.
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20 changes: 18 additions & 2 deletions subsys/bluetooth/audio/bap_endpoint.h
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Expand Up @@ -64,11 +64,27 @@ struct bt_bap_ep {
struct bt_bap_broadcast_sink *broadcast_sink;
};

struct bt_bap_unicast_group_cig_param {
uint32_t c_to_p_interval;
uint32_t p_to_c_interval;
uint16_t c_to_p_latency;
uint16_t p_to_c_latency;
uint8_t framing;
uint8_t packing;
#if defined(CONFIG_BT_ISO_TEST_PARAMS)
uint8_t c_to_p_ft;
uint8_t p_to_c_ft;
uint16_t iso_interval;
#endif /* CONFIG_BT_ISO_TEST_PARAMS */
};

struct bt_bap_unicast_group {
/* Group-wide QoS used to create the CIG */
struct bt_bap_unicast_group_cig_param cig_param;

/* Unicast group fields */
uint8_t index;
bool allocated;
/* QoS used to create the CIG */
const struct bt_audio_codec_qos *qos;
struct bt_iso_cig *cig;
/* The ISO API for CIG creation requires an array of pointers to ISO channels */
struct bt_iso_chan *cis[UNICAST_GROUP_STREAM_CNT];
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