7f6a059a36
AV-Stream Data structure added to AVDTP structure. Change-Id: Icb6ae80e84b49e8a800c99e7f004b43a0fa6c043 Signed-off-by: Arun Jagadish <arun.jagadish@intel.com>
167 lines
5.2 KiB
C
167 lines
5.2 KiB
C
/*
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* avdtp_internal.h - avdtp handling
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* Copyright (c) 2015-2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <bluetooth/avdtp.h>
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/* @brief A2DP ROLE's */
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#define A2DP_SRC_ROLE 0x00
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#define A2DP_SNK_ROLE 0x01
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/* @brief AVDTP Role */
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#define BT_AVDTP_INT 0x00
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#define BT_AVDTP_ACP 0x01
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#define BT_L2CAP_PSM_AVDTP 0x0019
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/* AVDTP SIGNAL HEADER - Packet Type*/
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#define BT_AVDTP_PACKET_TYPE_SINGLE 0x00
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#define BT_AVDTP_PACKET_TYPE_START 0x01
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#define BT_AVDTP_PACKET_TYPE_CONTINUE 0x02
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#define BT_AVDTP_PACKET_TYPE_END 0x03
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/* AVDTP SIGNAL HEADER - MESSAGE TYPE */
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#define BT_AVDTP_MSG_TYPE_CMD 0x00
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#define BT_AVDTP_MSG_TYPE_GEN_REJECT 0x01
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#define BT_AVDTP_MSG_TYPE_ACCEPT 0x02
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#define BT_AVDTP_MSG_TYPE_REJECT 0x03
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/* @brief AVDTP SIGNAL HEADER - Signal Identifier */
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#define BT_AVDTP_DISCOVER 0x01
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#define BT_AVDTP_GET_CAPABILITIES 0x02
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#define BT_AVDTP_SET_CONFIGURATION 0x03
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#define BT_AVDTP_GET_CONFIGURATION 0x04
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#define BT_AVDTP_RECONFIGURE 0x05
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#define BT_AVDTP_OPEN 0x06
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#define BT_AVDTP_START 0x07
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#define BT_AVDTP_CLOSE 0x08
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#define BT_AVDTP_SUSPEND 0x09
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#define BT_AVDTP_ABORT 0x0a
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#define BT_AVDTP_SECURITY_CONTROL 0x0b
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#define BT_AVDTP_GET_ALL_CAPABILITIES 0x0c
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#define BT_AVDTP_DELAYREPORT 0x0d
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/* @brief AVDTP STATE */
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#define BT_AVDTP_STATE_IDLE 0x01
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#define BT_AVDTP_STATE_CONFIGURED 0x02
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#define BT_AVDTP_STATE_OPEN 0x03
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#define BT_AVDTP_STATE_STREAMING 0x04
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#define BT_AVDTP_STATE_CLOSING 0x05
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#define BT_AVDTP_STATE_ABORT 0x06
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#define BT_AVDTP_STATE_SIG_CONNECTED 0x07
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#define BT_AVDTP_STATE_SIG_DISCONNECTED 0x08
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#define BT_AVDTP_STATE_INVALID 0x00
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/* @brief AVDTP Media TYPE */
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#define BT_AVDTP_SERVICE_CAT_MEDIA_TRANSPORT 0x01
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#define BT_AVDTP_SERVICE_CAT_REPORTING 0x02
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#define BT_AVDTP_SERVICE_CAT_RECOVERY 0x03
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#define BT_AVDTP_SERVICE_CAT_CONTENT_PROTECTION 0x04
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#define BT_AVDTP_SERVICE_CAT_HDR_COMPRESSION 0x05
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#define BT_AVDTP_SERVICE_CAT_MULTIPLEXING 0x06
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#define BT_AVDTP_SERVICE_CAT_MEDIA_CODEC 0x07
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#define BT_AVDTP_SERVICE_CAT_DELAYREPORTING 0x08
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/* AVDTP Error Codes */
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#define BT_AVDTP_SUCCESS 0x00
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#define BT_AVDTP_ERR_BAD_HDR_FORMAT 0x01
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#define BT_AVDTP_ERR_BAD_LENGTH 0x11
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#define BT_AVDTP_ERR_BAD_ACP_SEID 0x12
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#define BT_AVDTP_ERR_SEP_IN_USE 0x13
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#define BT_AVDTP_ERR_SEP_NOT_IN_USE 0x14
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#define BT_AVDTP_ERR_BAD_SERV_CATEGORY 0x17
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#define BT_AVDTP_ERR_BAD_PAYLOAD_FORMAT 0x18
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#define BT_AVDTP_ERR_NOT_SUPPORTED_COMMAND 0x19
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#define BT_AVDTP_ERR_INVALID_CAPABILITIES 0x1a
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#define BT_AVDTP_ERR_BAD_RECOVERY_TYPE 0x22
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#define BT_AVDTP_ERR_BAD_MEDIA_TRANSPORT_FORMAT 0x23
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#define BT_AVDTP_ERR_BAD_RECOVERY_FORMAT 0x25
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#define BT_AVDTP_ERR_BAD_ROHC_FORMAT 0x26
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#define BT_AVDTP_ERR_BAD_CP_FORMAT 0x27
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#define BT_AVDTP_ERR_BAD_MULTIPLEXING_FORMAT 0x28
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#define BT_AVDTP_ERR_UNSUPPORTED_CONFIGURAION 0x29
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#define BT_AVDTP_ERR_BAD_STATE 0x31
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#define BT_AVDTP_MIN_MTU 48
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#define BT_AVDTP_MAX_MTU CONFIG_BLUETOOTH_L2CAP_IN_MTU
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#define BT_AVDTP_MIN_SEID 0x01
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#define BT_AVDTP_MAX_SEID 0x3E
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/* Helper to calculate needed outgoing buffer size. */
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#define BT_AVDTP_BUF_SIZE(mtu) (CONFIG_BLUETOOTH_HCI_SEND_RESERVE + \
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sizeof(struct bt_hci_acl_hdr) + \
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sizeof(struct bt_l2cap_hdr) + \
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BT_AVDTP_SIG_HDR_LEN + (mtu))
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struct bt_avdtp_single_sig_hdr {
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uint8_t hdr;
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uint8_t signal_id;
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} __packed;
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#define BT_AVDTP_SIG_HDR_LEN sizeof(struct bt_avdtp_single_sig_hdr)
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struct bt_avdtp_cfm_cb {
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/*
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* Discovery_cfm;
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* get_capabilities_cfm;
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* set_configuration_cfm;
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* open_cfm;
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* start_cfm;
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* suspend_cfm;
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* close_cfm;
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*/
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};
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struct bt_avdtp_ind_cb {
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/*
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* discovery_ind;
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* get_capabilities_ind;
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* set_configuration_ind;
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* open_ind;
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* start_ind;
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* suspend_ind;
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* close_ind;
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*/
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};
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struct bt_avdtp_event_cb {
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struct bt_avdtp_ind_cb *ind;
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struct bt_avdtp_cfm_cb *cfm;
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};
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/** @brief Global AVDTP session structure. */
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struct bt_avdtp {
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struct bt_l2cap_br_chan br_chan;
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struct bt_avdtp_stream *streams; /* List of AV streams */
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};
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/* Initialize AVDTP layer*/
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int bt_avdtp_init(void);
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/* Application register with AVDTP layer */
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int bt_avdtp_register(struct bt_avdtp_event_cb *cb);
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/* AVDTP connect */
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int bt_avdtp_connect(struct bt_conn *conn, struct bt_avdtp *session);
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/* AVDTP disconnect */
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int bt_avdtp_disconnect(struct bt_avdtp *session);
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/* AVDTP SEP register function */
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int bt_avdtp_register_sep(uint8_t media_type, uint8_t role,
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struct bt_avdtp_seid_lsep *sep);
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