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components/bt/host/bluedroid/stack/avrc/include/avrc_int.h
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/******************************************************************************
*
* Copyright (C) 2003-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* VRCP internal header file.
*
******************************************************************************/
#ifndef AVRC_INT_H
#define AVRC_INT_H
#include "avct_defs.h"
#include "stack/avrc_api.h"
#if (AVRC_INCLUDED == TRUE)
/* DEBUG FLAGS
*
* #define META_DEBUG_ENABLED
*/
/*****************************************************************************
** Constants
*****************************************************************************/
/* Number of attributes in AVRC SDP record. */
#define AVRC_NUM_ATTR 6
/* Number of protocol elements in protocol element list. */
#define AVRC_NUM_PROTO_ELEMS 2
#ifndef AVRC_MIN_CMD_LEN
#define AVRC_MIN_CMD_LEN 20
#endif
#define AVRC_UNIT_OPRND_BYTES 5
#define AVRC_SUB_OPRND_BYTES 4
#define AVRC_SUBRSP_OPRND_BYTES 3
#define AVRC_SUB_PAGE_MASK 7
#define AVRC_SUB_PAGE_SHIFT 4
#define AVRC_SUB_EXT_CODE 7
#define AVRC_PASS_OP_ID_MASK 0x7F
#define AVRC_PASS_STATE_MASK 0x80
#define AVRC_CMD_OPRND_PAD 0xFF
#define AVRC_CTYPE_MASK 0x0F
#define AVRC_SUBTYPE_MASK 0xF8
#define AVRC_SUBTYPE_SHIFT 3
#define AVRC_SUBID_MASK 0x07
#define AVRC_SUBID_IGNORE 0x07
#define AVRC_SINGLE_PARAM_SIZE 1
#define AVRC_METADATA_PKT_TYPE_MASK 0x03
#define AVRC_PASS_THOUGH_MSG_MASK 0x80 /* MSB of msg_type indicates the PAS THROUGH msg */
#define AVRC_VENDOR_UNIQUE_MASK 0x70 /* vendor unique id */
/* Company ID is 24-bit integer We can not use the macros in stack/bt_types.h */
#define AVRC_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); }
#define AVRC_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;}
#define AVRC_AVC_HDR_SIZE 3 /* ctype, subunit*, opcode */
#define AVRC_MIN_META_HDR_SIZE 4 /* pdu id(1), packet type(1), param len(2) */
#define AVRC_MIN_BROWSE_HDR_SIZE 3 /* pdu id(1), param len(2) */
#define AVRC_VENDOR_HDR_SIZE 6 /* ctype, subunit*, opcode, CO_ID */
#define AVRC_MSG_VENDOR_OFFSET 23
#define AVRC_MIN_VENDOR_SIZE (AVRC_MSG_VENDOR_OFFSET + BT_HDR_SIZE + AVRC_MIN_META_HDR_SIZE)
#define AVRC_PASS_THRU_SIZE 8
#define AVRC_MSG_PASS_THRU_OFFSET 25
#define AVRC_MIN_PASS_THRU_SIZE (AVRC_MSG_PASS_THRU_OFFSET + BT_HDR_SIZE + 4)
#define AVRC_MIN_BROWSE_SIZE (AVCT_BROWSE_OFFSET + BT_HDR_SIZE + AVRC_MIN_BROWSE_HDR_SIZE)
#define AVRC_CTRL_PKT_LEN(pf, pk) {pf = (UINT8 *)((pk) + 1) + (pk)->offset + 2;}
#define AVRC_MAX_CTRL_DATA_LEN (AVRC_PACKET_LEN)
/*****************************************************************************
** Type definitions
*****************************************************************************/
#if (AVRC_METADATA_INCLUDED == TRUE)
/* type for Metadata fragmentation control block */
typedef struct {
BT_HDR *p_fmsg; /* the fragmented message */
UINT8 frag_pdu; /* the PDU ID for fragmentation */
BOOLEAN frag_enabled; /* fragmentation flag */
} tAVRC_FRAG_CB;
/* type for Metadata re-assembly control block */
typedef struct {
BT_HDR *p_rmsg; /* the received message */
UINT16 rasm_offset; /* re-assembly flag, the offset of the start fragment */
UINT8 rasm_pdu; /* the PDU ID for re-assembly */
} tAVRC_RASM_CB;
#endif
typedef struct {
tAVRC_CONN_CB ccb[AVCT_NUM_CONN];
#if (AVRC_METADATA_INCLUDED == TRUE)
tAVRC_FRAG_CB fcb[AVCT_NUM_CONN];
tAVRC_RASM_CB rcb[AVCT_NUM_CONN];
#endif
tAVRC_FIND_CBACK *p_cback; /* pointer to application callback */
tSDP_DISCOVERY_DB *p_db; /* pointer to discovery database */
UINT16 service_uuid; /* service UUID to search */
UINT8 trace_level;
} tAVRC_CB;
#ifdef __cplusplus
extern "C"
{
#endif
/******************************************************************************
** Main Control Block
*******************************************************************************/
#if AVRC_DYNAMIC_MEMORY == FALSE
extern tAVRC_CB avrc_cb;
#else
extern tAVRC_CB *avrc_cb_ptr;
#define avrc_cb (*avrc_cb_ptr)
#endif
extern BOOLEAN avrc_is_valid_pdu_id(UINT8 pdu_id);
extern BOOLEAN avrc_is_valid_player_attrib_value(UINT8 attrib, UINT8 value);
extern BT_HDR *avrc_alloc_ctrl_pkt (UINT8 pdu);
extern tAVRC_STS avrc_pars_pass_thru(tAVRC_MSG_PASS *p_msg, UINT16 *p_vendor_unique_id);
extern UINT8 avrc_opcode_from_pdu(UINT8 pdu);
extern BOOLEAN avrc_is_valid_opcode(UINT8 opcode);
#ifdef __cplusplus
}
#endif
#endif ///AVRC_INCLUDED == TRUE
#endif /* AVRC_INT_H */
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