/* * Copyright (C) 2016 The Android Open Source Project * * 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. */ package com.android.bluetooth.avrcp; /************************************************************************************************* * Grouped all HAL constants into a file to be consistent with the stack. * Moved the constants used in Avrcp to this new file to be used across multiple files. * Helps in easier modifications and future enhancements in the constants. ************************************************************************************************/ /* * @hide */ final class AvrcpConstants { /* Do not modify without upating the HAL bt_rc.h file */ /** Response Error codes **/ static final byte RSP_BAD_CMD = 0x00; /* Invalid command */ static final byte RSP_BAD_PARAM = 0x01; /* Invalid parameter */ static final byte RSP_NOT_FOUND = 0x02; /* Specified parameter is * wrong or not found */ static final byte RSP_INTERNAL_ERR = 0x03; /* Internal Error */ static final byte RSP_NO_ERROR = 0x04; /* Operation Success */ static final byte RSP_UID_CHANGED = 0x05; /* UIDs changed */ static final byte RSP_RESERVED = 0x06; /* Reserved */ static final byte RSP_INV_DIRN = 0x07; /* Invalid direction */ static final byte RSP_INV_DIRECTORY = 0x08; /* Invalid directory */ static final byte RSP_INV_ITEM = 0x09; /* Invalid Item */ static final byte RSP_INV_SCOPE = 0x0a; /* Invalid scope */ static final byte RSP_INV_RANGE = 0x0b; /* Invalid range */ static final byte RSP_DIRECTORY = 0x0c; /* UID is a directory */ static final byte RSP_MEDIA_IN_USE = 0x0d; /* Media in use */ static final byte RSP_PLAY_LIST_FULL = 0x0e; /* Playing list full */ static final byte RSP_SRCH_NOT_SPRTD = 0x0f; /* Search not supported */ static final byte RSP_SRCH_IN_PROG = 0x10; /* Search in progress */ static final byte RSP_INV_PLAYER = 0x11; /* Invalid player */ static final byte RSP_PLAY_NOT_BROW = 0x12; /* Player not browsable */ static final byte RSP_PLAY_NOT_ADDR = 0x13; /* Player not addressed */ static final byte RSP_INV_RESULTS = 0x14; /* Invalid results */ static final byte RSP_NO_AVBL_PLAY = 0x15; /* No available players */ static final byte RSP_ADDR_PLAY_CHGD = 0x16; /* Addressed player changed */ /* valid scopes for get_folder_items */ static final byte BTRC_SCOPE_PLAYER_LIST = 0x00; /* Media Player List */ static final byte BTRC_SCOPE_FILE_SYSTEM = 0x01; /* Virtual File System */ static final byte BTRC_SCOPE_SEARCH = 0x02; /* Search */ static final byte BTRC_SCOPE_NOW_PLAYING = 0x03; /* Now Playing */ /* valid directions for change path */ static final byte DIR_UP = 0x00; static final byte DIR_DOWN = 0x01; /* item type to browse */ static final byte BTRC_ITEM_PLAYER = 0x01; static final byte BTRC_ITEM_FOLDER = 0x02; static final byte BTRC_ITEM_MEDIA = 0x03; /* valid folder types */ static final byte FOLDER_TYPE_MIXED = 0x00; static final byte FOLDER_TYPE_TITLES = 0x01; static final byte FOLDER_TYPE_ALBUMS = 0x02; static final byte FOLDER_TYPE_ARTISTS = 0x03; static final byte FOLDER_TYPE_GENRES = 0x04; static final byte FOLDER_TYPE_PLAYLISTS = 0x05; static final byte FOLDER_TYPE_YEARS = 0x06; /* valid playable flags */ static final byte ITEM_NOT_PLAYABLE = 0x00; static final byte ITEM_PLAYABLE = 0x01; /* valid Attribute ids for media elements */ static final int ATTRID_TITLE = 0x01; static final int ATTRID_ARTIST = 0x02; static final int ATTRID_ALBUM = 0x03; static final int ATTRID_TRACK_NUM = 0x04; static final int ATTRID_NUM_TRACKS = 0x05; static final int ATTRID_GENRE = 0x06; static final int ATTRID_PLAY_TIME = 0x07; static final int ATTRID_COVER_ART = 0x08; /* constants to send in Track change response */ static final byte[] NO_TRACK_SELECTED = {(byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF}; static final byte[] TRACK_IS_SELECTED = {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00}; /* UID size */ static final int UID_SIZE = 8; static final short DEFAULT_UID_COUNTER = 0x0000; /* Bitmask size for Media Players */ static final int AVRC_FEATURE_MASK_SIZE = 16; /* Maximum attributes for media item */ static final int MAX_NUM_ATTR = 8; /* notification types for remote device */ static final int NOTIFICATION_TYPE_INTERIM = 0; static final int NOTIFICATION_TYPE_CHANGED = 1; static final int TRACK_ID_SIZE = 8; /* player feature bit mask constants */ static final short AVRC_PF_PLAY_BIT_NO = 40; static final short AVRC_PF_STOP_BIT_NO = 41; static final short AVRC_PF_PAUSE_BIT_NO = 42; static final short AVRC_PF_REWIND_BIT_NO = 44; static final short AVRC_PF_FAST_FWD_BIT_NO = 45; static final short AVRC_PF_FORWARD_BIT_NO = 47; static final short AVRC_PF_BACKWARD_BIT_NO = 48; static final short AVRC_PF_ADV_CTRL_BIT_NO = 58; static final short AVRC_PF_BROWSE_BIT_NO = 59; static final short AVRC_PF_ADD2NOWPLAY_BIT_NO = 61; static final short AVRC_PF_UID_UNIQUE_BIT_NO = 62; static final short AVRC_PF_NOW_PLAY_BIT_NO = 65; static final short AVRC_PF_GET_NUM_OF_ITEMS_BIT_NO = 67; static final byte PLAYER_TYPE_AUDIO = 1; static final int PLAYER_SUBTYPE_NONE = 0; // match up with btrc_play_status_t enum of bt_rc.h static final int PLAYSTATUS_STOPPED = 0; static final int PLAYSTATUS_PLAYING = 1; static final int PLAYSTATUS_PAUSED = 2; static final int PLAYSTATUS_FWD_SEEK = 3; static final int PLAYSTATUS_REV_SEEK = 4; static final int PLAYSTATUS_ERROR = 255; static final byte NUM_ATTR_ALL = (byte)0x00; static final byte NUM_ATTR_NONE = (byte)0xFF; static final int KEY_STATE_PRESS = 1; static final int KEY_STATE_RELEASE = 0; }