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Bluetooth: Audio: Add codec_cfg_set_octets_per_frame

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Add the bt_audio_codec_cfg_set_octets_per_frame function
to set or add the octets per frame field in the
codec configuration.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen 2023-09-27 15:18:28 +02:00 • committed by Carles Cufí
commit 5656c23243
3 changed files with 41 additions and 0 deletions
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13
include/zephyr/bluetooth/audio/audio.h
View file

@ -660,6 +660,19 @@ int bt_audio_codec_cfg_get_chan_allocation_val(const struct bt_audio_codec_cfg *
*/
int bt_audio_codec_cfg_get_octets_per_frame(const struct bt_audio_codec_cfg *codec_cfg);
/**
* @brief Set the octets per codec frame of a codec configuration.
*
* @param codec_cfg The codec configuration to set data for.
* @param octets_per_frame The octets per codec frame to set.
*
* @retval The data_len of @p codec_cfg on success
* @retval -EINVAL if arguments are invalid
* @retval -ENOMEM if the new value could not set or added due to memory
*/
int bt_audio_codec_cfg_set_octets_per_frame(struct bt_audio_codec_cfg *codec_cfg,
uint16_t octets_per_frame);
/** @brief Extract number of audio frame blockss in each SDU from BT codec config
*
* The overall SDU size will be octets_per_frame * frame_blocks_per_sdu * number-of-channels.

12
subsys/bluetooth/audio/codec.c
View file

@ -377,6 +377,18 @@ int bt_audio_codec_cfg_get_octets_per_frame(const struct bt_audio_codec_cfg *cod
return sys_get_le16(data);
}
int bt_audio_codec_cfg_set_octets_per_frame(struct bt_audio_codec_cfg *codec_cfg,
uint16_t octets_per_frame)
{
uint16_t octets_per_frame_le16;
octets_per_frame_le16 = sys_cpu_to_le16(octets_per_frame);
return bt_audio_codec_cfg_set_val(codec_cfg, BT_AUDIO_CODEC_CONFIG_LC3_FRAME_LEN,
(uint8_t *)&octets_per_frame_le16,
sizeof(octets_per_frame_le16));
}
int bt_audio_codec_cfg_get_frame_blocks_per_sdu(const struct bt_audio_codec_cfg *codec_cfg,
bool fallback_to_default)
{

16
tests/bluetooth/audio/codec/src/main.c
View file

@ -109,6 +109,22 @@ ZTEST(audio_codec_test_suite, test_bt_audio_codec_cfg_get_octets_per_frame)
zassert_equal(ret, 80u, "unexpected return value %d", ret);
}
ZTEST(audio_codec_test_suite, test_bt_audio_codec_cfg_set_octets_per_frame)
{
struct bt_bap_lc3_preset preset = BT_BAP_LC3_UNICAST_PRESET_32_2_2(
BT_AUDIO_LOCATION_FRONT_LEFT, BT_AUDIO_CONTEXT_TYPE_UNSPECIFIED);
int ret;
ret = bt_audio_codec_cfg_get_octets_per_frame(&preset.codec_cfg);
zassert_equal(ret, 80, "Unexpected return value %d", ret);
ret = bt_audio_codec_cfg_set_octets_per_frame(&preset.codec_cfg, 120);
zassert_true(ret > 0, "Unexpected return value %d", ret);
ret = bt_audio_codec_cfg_get_octets_per_frame(&preset.codec_cfg);
zassert_equal(ret, 120, "Unexpected return value %d", ret);
}
ZTEST(audio_codec_test_suite, test_bt_audio_codec_cfg_get_frame_blocks_per_sdu)
{
const struct bt_bap_lc3_preset preset =