blob: 626395513c9adb5c44318340d21a829ec45bb0bd [file] [log] [blame]
/* @file
* @brief Internal APIs for Audio Stream handling
* Copyright (c) 2020 Intel Corporation
* Copyright (c) 2021-2022 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
/** Life-span states of ASE. Used only by internal APIs
* dealing with setting ASE to proper state depending on operational
* context.
*
* The values are defined by the ASCS spec and shall not be changed.
*/
enum bt_audio_state {
/** Audio Stream Endpoint Idle state */
BT_AUDIO_EP_STATE_IDLE = 0x00,
/** Audio Stream Endpoint Codec Configured state */
BT_AUDIO_EP_STATE_CODEC_CONFIGURED = 0x01,
/** Audio Stream Endpoint QoS Configured state */
BT_AUDIO_EP_STATE_QOS_CONFIGURED = 0x02,
/** Audio Stream Endpoint Enabling state */
BT_AUDIO_EP_STATE_ENABLING = 0x03,
/** Audio Stream Endpoint Streaming state */
BT_AUDIO_EP_STATE_STREAMING = 0x04,
/** Audio Stream Endpoint Disabling state */
BT_AUDIO_EP_STATE_DISABLING = 0x05,
/** Audio Stream Endpoint Streaming state */
BT_AUDIO_EP_STATE_RELEASING = 0x06,
};
/* Connect ISO channel */
int bt_audio_stream_connect(struct bt_audio_stream *stream);
/* Disconnect ISO channel */
int bt_audio_stream_disconnect(struct bt_audio_stream *stream);
void bt_audio_stream_reset(struct bt_audio_stream *stream);
void bt_audio_stream_attach(struct bt_conn *conn, struct bt_audio_stream *stream,
struct bt_audio_ep *ep,
struct bt_codec *codec);
void bt_audio_codec_qos_to_iso_qos(struct bt_iso_chan_io_qos *io,
const struct bt_codec_qos *codec);
void bt_audio_stream_detach(struct bt_audio_stream *stream);
bool bt_audio_valid_qos(const struct bt_codec_qos *qos);
bool bt_audio_valid_stream_qos(const struct bt_audio_stream *stream,
const struct bt_codec_qos *qos);
int bt_audio_stream_iso_listen(struct bt_audio_stream *stream);