| /****************************************************************************** |
| * |
| * Copyright (C) 2006-2013 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. |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| |
| #include "bt_common.h" |
| #include "avrc_api.h" |
| #include "avrc_defs.h" |
| #include "avrc_int.h" |
| #include "bt_utils.h" |
| |
| /***************************************************************************** |
| ** Global data |
| *****************************************************************************/ |
| |
| #if (AVRC_METADATA_INCLUDED == TRUE) |
| |
| /******************************************************************************* |
| ** |
| ** Function avrc_pars_vendor_rsp |
| ** |
| ** Description This function parses the vendor specific 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 |
| ** |
| *******************************************************************************/ |
| static tAVRC_STS avrc_pars_vendor_rsp(tAVRC_MSG_VENDOR *p_msg, tAVRC_RESPONSE *p_result) |
| { |
| tAVRC_STS status = AVRC_STS_NO_ERROR; |
| UINT8 *p; |
| UINT16 len; |
| #if (AVRC_ADV_CTRL_INCLUDED == TRUE) |
| UINT8 eventid=0; |
| #endif |
| |
| /* Check the vendor data */ |
| if (p_msg->vendor_len == 0) |
| return AVRC_STS_NO_ERROR; |
| if (p_msg->p_vendor_data == NULL) |
| return AVRC_STS_INTERNAL_ERR; |
| |
| p = p_msg->p_vendor_data; |
| BE_STREAM_TO_UINT8 (p_result->pdu, p); |
| p++; /* skip the reserved/packe_type byte */ |
| BE_STREAM_TO_UINT16 (len, p); |
| AVRC_TRACE_DEBUG("%s ctype:0x%x pdu:0x%x, len:%d/0x%x", |
| __func__, p_msg->hdr.ctype, p_result->pdu, len, len); |
| if (p_msg->hdr.ctype == AVRC_RSP_REJ) |
| { |
| p_result->rsp.status = *p; |
| return p_result->rsp.status; |
| } |
| |
| switch (p_result->pdu) |
| { |
| /* case AVRC_PDU_REQUEST_CONTINUATION_RSP: 0x40 */ |
| /* case AVRC_PDU_ABORT_CONTINUATION_RSP: 0x41 */ |
| |
| #if (AVRC_ADV_CTRL_INCLUDED == TRUE) |
| case AVRC_PDU_SET_ABSOLUTE_VOLUME: /* 0x50 */ |
| if (len != 1) |
| status = AVRC_STS_INTERNAL_ERR; |
| else |
| { |
| BE_STREAM_TO_UINT8 (p_result->volume.volume, p); |
| } |
| break; |
| #endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */ |
| |
| case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */ |
| #if (AVRC_ADV_CTRL_INCLUDED == TRUE) |
| BE_STREAM_TO_UINT8 (eventid, p); |
| if(AVRC_EVT_VOLUME_CHANGE==eventid |
| && (AVRC_RSP_CHANGED==p_msg->hdr.ctype || AVRC_RSP_INTERIM==p_msg->hdr.ctype |
| || AVRC_RSP_REJ==p_msg->hdr.ctype || AVRC_RSP_NOT_IMPL==p_msg->hdr.ctype)) |
| { |
| p_result->reg_notif.status=p_msg->hdr.ctype; |
| p_result->reg_notif.event_id=eventid; |
| BE_STREAM_TO_UINT8 (p_result->reg_notif.param.volume, p); |
| } |
| AVRC_TRACE_DEBUG("%s PDU reg notif response:event %x, volume %x", |
| __func__, eventid, p_result->reg_notif.param.volume); |
| #endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */ |
| break; |
| default: |
| status = AVRC_STS_BAD_CMD; |
| break; |
| } |
| |
| return status; |
| } |
| |
| void avrc_parse_notification_rsp (UINT8 *p_stream, tAVRC_REG_NOTIF_RSP *p_rsp) |
| { |
| BE_STREAM_TO_UINT8(p_rsp->event_id, p_stream); |
| switch (p_rsp->event_id) |
| { |
| case AVRC_EVT_PLAY_STATUS_CHANGE: |
| BE_STREAM_TO_UINT8(p_rsp->param.play_status, p_stream); |
| break; |
| |
| case AVRC_EVT_TRACK_CHANGE: |
| BE_STREAM_TO_ARRAY(p_stream, p_rsp->param.track, 8); |
| break; |
| |
| case AVRC_EVT_APP_SETTING_CHANGE: |
| BE_STREAM_TO_UINT8(p_rsp->param.player_setting.num_attr, p_stream); |
| for (int index = 0; index < p_rsp->param.player_setting.num_attr; index++) |
| { |
| BE_STREAM_TO_UINT8(p_rsp->param.player_setting.attr_id[index], p_stream); |
| BE_STREAM_TO_UINT8(p_rsp->param.player_setting.attr_value[index], p_stream); |
| } |
| break; |
| |
| case AVRC_EVT_NOW_PLAYING_CHANGE: |
| break; |
| |
| case AVRC_EVT_AVAL_PLAYERS_CHANGE: |
| break; |
| |
| case AVRC_EVT_ADDR_PLAYER_CHANGE: |
| break; |
| |
| case AVRC_EVT_UIDS_CHANGE: |
| break; |
| |
| case AVRC_EVT_TRACK_REACHED_END: |
| case AVRC_EVT_TRACK_REACHED_START: |
| case AVRC_EVT_PLAY_POS_CHANGED: |
| case AVRC_EVT_BATTERY_STATUS_CHANGE: |
| case AVRC_EVT_SYSTEM_STATUS_CHANGE: |
| default: |
| break; |
| } |
| } |
| |
| #if (AVRC_CTLR_INCLUDED == TRUE) |
| /******************************************************************************* |
| ** |
| ** Function avrc_ctrl_pars_vendor_rsp |
| ** |
| ** Description This function parses the vendor specific 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 |
| ** |
| *******************************************************************************/ |
| static tAVRC_STS avrc_ctrl_pars_vendor_rsp( |
| tAVRC_MSG_VENDOR *p_msg, tAVRC_RESPONSE *p_result, UINT8* p_buf, UINT16* buf_len) |
| { |
| UINT8 *p = p_msg->p_vendor_data; |
| BE_STREAM_TO_UINT8 (p_result->pdu, p); |
| p++; /* skip the reserved/packe_type byte */ |
| |
| UINT16 len; |
| BE_STREAM_TO_UINT16 (len, p); |
| AVRC_TRACE_DEBUG("%s ctype:0x%x pdu:0x%x, len:%d", |
| __func__, p_msg->hdr.ctype, p_result->pdu, len); |
| /* Todo: Issue in handling reject, check */ |
| if (p_msg->hdr.ctype == AVRC_RSP_REJ) |
| { |
| p_result->rsp.status = *p; |
| return p_result->rsp.status; |
| } |
| |
| /* TODO: Break the big switch into functions. */ |
| switch (p_result->pdu) |
| { |
| /* case AVRC_PDU_REQUEST_CONTINUATION_RSP: 0x40 */ |
| /* case AVRC_PDU_ABORT_CONTINUATION_RSP: 0x41 */ |
| |
| case AVRC_PDU_REGISTER_NOTIFICATION: |
| avrc_parse_notification_rsp(p, &p_result->reg_notif); |
| break; |
| |
| case AVRC_PDU_GET_CAPABILITIES: |
| if (len == 0) |
| { |
| p_result->get_caps.count = 0; |
| p_result->get_caps.capability_id = 0; |
| break; |
| } |
| BE_STREAM_TO_UINT8(p_result->get_caps.capability_id, p); |
| BE_STREAM_TO_UINT8(p_result->get_caps.count, p); |
| AVRC_TRACE_DEBUG("%s cap id = %d, cap_count = %d ", |
| __func__, p_result->get_caps.capability_id, p_result->get_caps.count); |
| if (p_result->get_caps.capability_id == AVRC_CAP_COMPANY_ID) |
| { |
| for(int xx = 0; ((xx < p_result->get_caps.count) && (xx < AVRC_CAP_MAX_NUM_COMP_ID)); |
| xx++) |
| { |
| BE_STREAM_TO_UINT24(p_result->get_caps.param.company_id[xx], p); |
| } |
| } |
| else if (p_result->get_caps.capability_id == AVRC_CAP_EVENTS_SUPPORTED) |
| { |
| for(int xx = 0; ((xx < p_result->get_caps.count) && (xx < AVRC_CAP_MAX_NUM_EVT_ID)); |
| xx++) |
| { |
| BE_STREAM_TO_UINT8(p_result->get_caps.param.event_id[xx], p); |
| } |
| } |
| break; |
| |
| case AVRC_PDU_LIST_PLAYER_APP_ATTR: |
| if (len == 0) |
| { |
| p_result->list_app_attr.num_attr = 0; |
| break; |
| } |
| BE_STREAM_TO_UINT8(p_result->list_app_attr.num_attr, p); |
| AVRC_TRACE_DEBUG("%s attr count = %d ", __func__, p_result->list_app_attr.num_attr); |
| for(int xx = 0; xx < p_result->list_app_attr.num_attr; xx++) |
| { |
| BE_STREAM_TO_UINT8(p_result->list_app_attr.attrs[xx], p); |
| } |
| break; |
| |
| case AVRC_PDU_LIST_PLAYER_APP_VALUES: |
| if (len == 0) |
| { |
| p_result->list_app_values.num_val = 0; |
| break; |
| } |
| BE_STREAM_TO_UINT8(p_result->list_app_values.num_val, p); |
| AVRC_TRACE_DEBUG("%s value count = %d ", __func__, p_result->list_app_values.num_val); |
| for(int xx = 0; xx < p_result->list_app_values.num_val; xx++) |
| { |
| BE_STREAM_TO_UINT8(p_result->list_app_values.vals[xx], p); |
| } |
| break; |
| |
| case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE: |
| { |
| if (len == 0) |
| { |
| p_result->get_cur_app_val.num_val = 0; |
| break; |
| } |
| BE_STREAM_TO_UINT8(p_result->get_cur_app_val.num_val, p); |
| tAVRC_APP_SETTING *app_sett = |
| (tAVRC_APP_SETTING*)osi_malloc(p_result->get_cur_app_val.num_val*sizeof(tAVRC_APP_SETTING)); |
| AVRC_TRACE_DEBUG("%s attr count = %d ", __func__, p_result->get_cur_app_val.num_val); |
| for (int xx = 0; xx < p_result->get_cur_app_val.num_val; xx++) |
| { |
| BE_STREAM_TO_UINT8(app_sett[xx].attr_id, p); |
| BE_STREAM_TO_UINT8(app_sett[xx].attr_val, p); |
| } |
| p_result->get_cur_app_val.p_vals = app_sett; |
| } |
| break; |
| |
| case AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT: |
| { |
| tAVRC_APP_SETTING_TEXT *p_setting_text; |
| UINT8 num_attrs; |
| |
| if (len == 0) |
| { |
| p_result->get_app_attr_txt.num_attr = 0; |
| break; |
| } |
| BE_STREAM_TO_UINT8(num_attrs, p); |
| AVRC_TRACE_DEBUG("%s attr count = %d ", __func__, p_result->get_app_attr_txt.num_attr); |
| p_result->get_app_attr_txt.num_attr = num_attrs; |
| p_setting_text = (tAVRC_APP_SETTING_TEXT*)osi_malloc(num_attrs * sizeof(tAVRC_APP_SETTING_TEXT)); |
| for (int xx = 0; xx < num_attrs; xx++) |
| { |
| BE_STREAM_TO_UINT8(p_result->get_app_attr_txt.p_attrs[xx].attr_id, p); |
| BE_STREAM_TO_UINT16(p_result->get_app_attr_txt.p_attrs[xx].charset_id, p); |
| BE_STREAM_TO_UINT8(p_result->get_app_attr_txt.p_attrs[xx].str_len, p); |
| if (p_result->get_app_attr_txt.p_attrs[xx].str_len != 0) |
| { |
| UINT8 *p_str = (UINT8 *)osi_malloc(p_result->get_app_attr_txt.p_attrs[xx].str_len); |
| BE_STREAM_TO_ARRAY(p, p_str, p_result->get_app_attr_txt.p_attrs[xx].str_len); |
| p_result->get_app_attr_txt.p_attrs[xx].p_str = p_str; |
| } else { |
| p_result->get_app_attr_txt.p_attrs[xx].p_str = NULL; |
| } |
| } |
| } |
| break; |
| |
| case AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT: |
| { |
| tAVRC_APP_SETTING_TEXT *p_setting_text; |
| UINT8 num_vals; |
| |
| if (len == 0) |
| { |
| p_result->get_app_val_txt.num_attr = 0; |
| break; |
| } |
| BE_STREAM_TO_UINT8(num_vals, p); |
| p_result->get_app_val_txt.num_attr = num_vals; |
| AVRC_TRACE_DEBUG("%s value count = %d ", __func__, p_result->get_app_val_txt.num_attr); |
| |
| p_setting_text = (tAVRC_APP_SETTING_TEXT *)osi_malloc(num_vals * sizeof(tAVRC_APP_SETTING_TEXT)); |
| for (int i = 0; i < num_vals; i++) { |
| BE_STREAM_TO_UINT8(p_result->get_app_val_txt.p_attrs[i].attr_id, p); |
| BE_STREAM_TO_UINT16(p_result->get_app_val_txt.p_attrs[i].charset_id, p); |
| BE_STREAM_TO_UINT8(p_result->get_app_val_txt.p_attrs[i].str_len, p); |
| if (p_result->get_app_val_txt.p_attrs[i].str_len != 0) { |
| UINT8 *p_str = (UINT8 *)osi_malloc(p_result->get_app_val_txt.p_attrs[i].str_len); |
| BE_STREAM_TO_ARRAY(p, p_str, p_result->get_app_val_txt.p_attrs[i].str_len); |
| p_result->get_app_val_txt.p_attrs[i].p_str = p_str; |
| } else { |
| p_result->get_app_val_txt.p_attrs[i].p_str = NULL; |
| } |
| } |
| } |
| break; |
| |
| case AVRC_PDU_SET_PLAYER_APP_VALUE: |
| /* nothing comes as part of this rsp */ |
| break; |
| |
| case AVRC_PDU_GET_ELEMENT_ATTR: |
| { |
| UINT8 num_attrs; |
| |
| if (len <= 0) |
| { |
| p_result->get_elem_attrs.num_attr = 0; |
| break; |
| } |
| BE_STREAM_TO_UINT8(num_attrs, p); |
| p_result->get_elem_attrs.num_attr = num_attrs; |
| if (num_attrs) |
| { |
| tAVRC_ATTR_ENTRY *p_attrs = |
| (tAVRC_ATTR_ENTRY*)osi_malloc(num_attrs * sizeof(tAVRC_ATTR_ENTRY)); |
| for (int i = 0; i < num_attrs; i++) { |
| BE_STREAM_TO_UINT32(p_attrs[i].attr_id, p); |
| BE_STREAM_TO_UINT16(p_attrs[i].name.charset_id, p); |
| BE_STREAM_TO_UINT16(p_attrs[i].name.str_len, p); |
| if (p_attrs[i].name.str_len > 0) { |
| p_attrs[i].name.p_str = (UINT8 *)osi_malloc(p_attrs[i].name.str_len); |
| BE_STREAM_TO_ARRAY(p, p_attrs[i].name.p_str, p_attrs[i].name.str_len); |
| } |
| } |
| p_result->get_elem_attrs.p_attrs = p_attrs; |
| } |
| } |
| break; |
| |
| case AVRC_PDU_GET_PLAY_STATUS: |
| if (len == 0) |
| { |
| break; |
| } |
| BE_STREAM_TO_UINT32(p_result->get_play_status.song_len, p); |
| BE_STREAM_TO_UINT32(p_result->get_play_status.song_pos, p); |
| BE_STREAM_TO_UINT8(p_result->get_play_status.status, p); |
| break; |
| |
| default: |
| return AVRC_STS_BAD_CMD; |
| } |
| return AVRC_STS_NO_ERROR; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function AVRC_Ctrl_ParsResponse |
| ** |
| ** Description This function is a parse response for AVRCP Controller. |
| ** |
| ** 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_Ctrl_ParsResponse (tAVRC_MSG *p_msg, tAVRC_RESPONSE *p_result, UINT8 *p_buf, UINT16* buf_len) |
| { |
| tAVRC_STS status = AVRC_STS_INTERNAL_ERR; |
| if (p_msg && p_result) |
| { |
| switch (p_msg->hdr.opcode) |
| { |
| case AVRC_OP_VENDOR: /* 0x00 Vendor-dependent commands */ |
| status = avrc_ctrl_pars_vendor_rsp(&p_msg->vendor, p_result, p_buf,buf_len); |
| break; |
| |
| default: |
| AVRC_TRACE_ERROR("%s unknown opcode:0x%x", __func__, p_msg->hdr.opcode); |
| break; |
| } |
| p_result->rsp.opcode = p_msg->hdr.opcode; |
| p_result->rsp.status = status; |
| } |
| return status; |
| } |
| #endif /* (AVRC_CTRL_INCLUDED) == TRUE) */ |
| /******************************************************************************* |
| ** |
| ** Function AVRC_ParsResponse |
| ** |
| ** Description This function is a superset of AVRC_ParsMetadata to parse the response. |
| ** |
| ** 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_ParsResponse (tAVRC_MSG *p_msg, tAVRC_RESPONSE *p_result, UINT8 *p_buf, UINT16 buf_len) |
| { |
| tAVRC_STS status = AVRC_STS_INTERNAL_ERR; |
| UINT16 id; |
| UNUSED(p_buf); |
| UNUSED(buf_len); |
| |
| if (p_msg && p_result) |
| { |
| switch (p_msg->hdr.opcode) |
| { |
| case AVRC_OP_VENDOR: /* 0x00 Vendor-dependent commands */ |
| status = avrc_pars_vendor_rsp(&p_msg->vendor, p_result); |
| break; |
| |
| case AVRC_OP_PASS_THRU: /* 0x7C panel subunit opcode */ |
| status = avrc_pars_pass_thru(&p_msg->pass, &id); |
| if (status == AVRC_STS_NO_ERROR) |
| { |
| p_result->pdu = (UINT8)id; |
| } |
| break; |
| |
| default: |
| AVRC_TRACE_ERROR("%s unknown opcode:0x%x", __func__, p_msg->hdr.opcode); |
| break; |
| } |
| p_result->rsp.opcode = p_msg->hdr.opcode; |
| p_result->rsp.status = status; |
| } |
| return status; |
| } |
| #endif /* (AVRC_METADATA_INCLUDED == TRUE) */ |
