From ee29c25b29eaa4fac4e897442634b69ecc8d8125 Mon Sep 17 00:00:00 2001 From: jacqueline Date: Thu, 28 Mar 2024 14:32:49 +1100 Subject: Fork ESP-IDF's bluetooth component i want better sbc encoding, and no cla will stop me --- .../host/bluedroid/stack/avrc/include/avrc_int.h | 158 +++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 lib/bt/host/bluedroid/stack/avrc/include/avrc_int.h (limited to 'lib/bt/host/bluedroid/stack/avrc/include') diff --git a/lib/bt/host/bluedroid/stack/avrc/include/avrc_int.h b/lib/bt/host/bluedroid/stack/avrc/include/avrc_int.h new file mode 100644 index 00000000..f13e0ccb --- /dev/null +++ b/lib/bt/host/bluedroid/stack/avrc/include/avrc_int.h @@ -0,0 +1,158 @@ +/****************************************************************************** + * + * 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 */ -- cgit v1.2.3