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-rw-r--r--stack/avrc/avrc_utils.c254
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diff --git a/stack/avrc/avrc_utils.c b/stack/avrc/avrc_utils.c
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--- a/stack/avrc/avrc_utils.c
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-/*****************************************************************************
-**
-** Name: avrc_utils.c
-**
-** Description: Utility functions to validate AVRC command/response paramaters
-**
-** Copyright (c) 2003-2008, Broadcom Corp., All Rights Reserved.
-** Broadcom Bluetooth Core. Proprietary and confidential.
-**
-*****************************************************************************/
-#include <string.h>
-
-#include "gki.h"
-#include "avrc_api.h"
-#include "avrc_int.h"
-
-
-#if (AVRC_METADATA_INCLUDED == TRUE)
-
-/**************************************************************************
-**
-** Function AVRC_IsValidAvcType
-**
-** Description Check if correct AVC type is specified
-**
-** Returns returns TRUE if it is valid
-**
-**
-*******************************************************************************/
-BOOLEAN AVRC_IsValidAvcType(UINT8 pdu_id, UINT8 avc_type)
-{
- BOOLEAN result=FALSE;
-
- if (avc_type < AVRC_RSP_NOT_IMPL) /* command msg */
- {
- switch (pdu_id)
- {
- case AVRC_PDU_GET_CAPABILITIES: /* 0x10 */
- case AVRC_PDU_LIST_PLAYER_APP_ATTR: /* 0x11 */
- case AVRC_PDU_LIST_PLAYER_APP_VALUES: /* 0x12 */
- case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE: /* 0x13 */
- case AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT: /* 0x15 */
- case AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT: /* 0x16 */
- case AVRC_PDU_GET_ELEMENT_ATTR: /* 0x20 */
- case AVRC_PDU_GET_PLAY_STATUS: /* 0x30 */
- if (avc_type == AVRC_CMD_STATUS)
- result=TRUE;
- break;
-
- case AVRC_PDU_SET_PLAYER_APP_VALUE: /* 0x14 */
- case AVRC_PDU_INFORM_DISPLAY_CHARSET: /* 0x17 */
- case AVRC_PDU_INFORM_BATTERY_STAT_OF_CT: /* 0x18 */
- case AVRC_PDU_REQUEST_CONTINUATION_RSP: /* 0x40 */
- case AVRC_PDU_ABORT_CONTINUATION_RSP: /* 0x41 */
- if (avc_type == AVRC_CMD_CTRL)
- result=TRUE;
- break;
-
- case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */
- if (avc_type == AVRC_CMD_NOTIF)
- result=TRUE;
- break;
-
-#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
- case AVRC_PDU_SET_ABSOLUTE_VOLUME: /* 0x50 */
- case AVRC_PDU_SET_ADDRESSED_PLAYER: /* 0x60 */
- case AVRC_PDU_PLAY_ITEM: /* 0x74 */
- case AVRC_PDU_ADD_TO_NOW_PLAYING: /* 0x90 */
- if (avc_type == AVRC_CMD_CTRL)
- result=TRUE;
- break;
-#endif
- }
- }
- else /* response msg */
- {
- if (avc_type >= AVRC_RSP_NOT_IMPL &&
- avc_type <= AVRC_RSP_INTERIM )
- result=TRUE;
- }
-
- return result;
-}
-
-/*******************************************************************************
-**
-** Function avrc_is_valid_player_attrib_value
-**
-** Description Check if the given attrib value is valid for its attribute
-**
-**
-** Returns returns TRUE if it is valid
-**
-*******************************************************************************/
-BOOLEAN avrc_is_valid_player_attrib_value(UINT8 attrib, UINT8 value)
-{
- BOOLEAN result=FALSE;
-
- switch(attrib)
- {
- case AVRC_PLAYER_SETTING_EQUALIZER:
- if ((value > 0) &&
- (value <= AVRC_PLAYER_VAL_ON))
- result=TRUE;
- break;
-
- case AVRC_PLAYER_SETTING_REPEAT:
- if ((value > 0) &&
- (value <= AVRC_PLAYER_VAL_GROUP_REPEAT))
- result=TRUE;
- break;
-
- case AVRC_PLAYER_SETTING_SHUFFLE:
- case AVRC_PLAYER_SETTING_SCAN:
- if ((value > 0) &&
- (value <= AVRC_PLAYER_VAL_GROUP_SHUFFLE))
- result=TRUE;
- break;
- }
-
- if (attrib >= AVRC_PLAYER_SETTING_LOW_MENU_EXT &&
- attrib <= AVRC_PLAYER_SETTING_HIGH_MENU_EXT)
- result = TRUE;
-
- if (!result)
- AVRC_TRACE_ERROR2("avrc_is_valid_player_attrib_value() found not matching attrib(x%x)-value(x%x) pair!", attrib, value);
-
- return result;
-}
-
-/*******************************************************************************
-**
-** Function AVRC_IsValidPlayerAttr
-**
-** Description Check if the given attrib value is a valid one
-**
-**
-** Returns returns TRUE if it is valid
-**
-*******************************************************************************/
-BOOLEAN AVRC_IsValidPlayerAttr(UINT8 attr)
-{
- BOOLEAN result=FALSE;
-
- if ( (attr >= AVRC_PLAYER_SETTING_EQUALIZER && attr <= AVRC_PLAYER_SETTING_SCAN) ||
- (attr >= AVRC_PLAYER_SETTING_LOW_MENU_EXT && attr <= AVRC_PLAYER_SETTING_HIGH_MENU_EXT) )
- {
- result = TRUE;
- }
-
- return result;
-}
-
-
-
-/*******************************************************************************
-**
-** Function avrc_pars_pass_thru
-**
-** Description This function parses the pass thru commands defined by
-** Bluetooth SIG
-**
-** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully.
-** Otherwise, the error code defined by AVRCP 1.4
-**
-*******************************************************************************/
-tAVRC_STS avrc_pars_pass_thru(tAVRC_MSG_PASS *p_msg, UINT16 *p_vendor_unique_id)
-{
- UINT8 *p_data;
- UINT32 co_id;
- UINT16 id;
- tAVRC_STS status = AVRC_STS_BAD_CMD;
-
- if (p_msg->op_id == AVRC_ID_VENDOR && p_msg->pass_len == AVRC_PASS_THRU_GROUP_LEN)
- {
- p_data = p_msg->p_pass_data;
- AVRC_BE_STREAM_TO_CO_ID (co_id, p_data);
- if (co_id == AVRC_CO_METADATA)
- {
- BE_STREAM_TO_UINT16 (id, p_data);
- if (AVRC_IS_VALID_GROUP(id))
- {
- *p_vendor_unique_id = id;
- status = AVRC_STS_NO_ERROR;
- }
- }
- }
- return status;
-}
-
-/*******************************************************************************
-**
-** Function avrc_opcode_from_pdu
-**
-** Description This function returns the opcode of the given pdu
-**
-** Returns AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSE
-**
-*******************************************************************************/
-UINT8 avrc_opcode_from_pdu(UINT8 pdu)
-{
- UINT8 opcode = 0;
-
- switch (pdu)
- {
-#if (AVCT_BROWSE_INCLUDED == TRUE)
- case AVRC_PDU_SET_BROWSED_PLAYER:
- case AVRC_PDU_GET_FOLDER_ITEMS:
- case AVRC_PDU_CHANGE_PATH:
- case AVRC_PDU_GET_ITEM_ATTRIBUTES:
- case AVRC_PDU_SEARCH:
- case AVRC_PDU_GENERAL_REJECT:
- opcode = AVRC_OP_BROWSE;
- break;
-#endif /* AVCT_BROWSE_INCLUDED */
-
- case AVRC_PDU_NEXT_GROUP:
- case AVRC_PDU_PREV_GROUP: /* pass thru */
- opcode = AVRC_OP_PASS_THRU;
- break;
-
- default: /* vendor */
- opcode = AVRC_OP_VENDOR;
- break;
- }
-
- return opcode;
-}
-
-/*******************************************************************************
-**
-** Function avrc_is_valid_opcode
-**
-** Description This function returns the opcode of the given pdu
-**
-** Returns AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSE
-**
-*******************************************************************************/
-BOOLEAN avrc_is_valid_opcode(UINT8 opcode)
-{
- BOOLEAN is_valid = FALSE;
- switch (opcode)
- {
- case AVRC_OP_BROWSE:
- case AVRC_OP_PASS_THRU:
- case AVRC_OP_VENDOR:
- is_valid = TRUE;
- break;
- }
- return is_valid;
-}
-
-#endif /* (AVRC_METADATA_INCLUDED == TRUE) */
-