| /* |
| * Copyright (C) 2015 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; |
| |
| import android.util.Log; |
| |
| import com.android.bluetooth.Utils; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.charset.Charset; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| /** |
| * Provides helper classes used by other AvrcpControllerClasses. |
| * Don't change this file without changing HAL Constants in bt_rc.h |
| */ |
| |
| final class AvrcpControllerConstants { |
| |
| /* |
| * Debug flags |
| */ |
| public static final boolean DBG = true; |
| public static final boolean VDBG = true; |
| /* |
| * Whether to push broadcast updates about metadata. |
| */ |
| public static final int START_METADATA_BROADCASTS = 0; |
| public static final int STOP_METADATA_BROADCASTS = 1; |
| |
| /* |
| * Scopes of operation |
| */ |
| public static final int AVRCP_SCOPE_NOW_PLAYING = 0; |
| public static final int AVRCP_SCOPE_VFS = 1; |
| /* |
| * Remote features |
| */ |
| public static final byte BTRC_FEAT_NONE = 0; |
| public static final byte BTRC_FEAT_METADATA = 1; |
| public static final byte BTRC_FEAT_ABSOLUTE_VOLUME = 2; |
| public static final byte BTRC_FEAT_BROWSE = 4; |
| |
| /* |
| *Element Id Values for GetMetaData |
| */ |
| public static final int MEDIA_ATTRIBUTE_TITLE = 0x01; |
| public static final int MEDIA_ATTRIBUTE_ARTIST_NAME = 0x02; |
| public static final int MEDIA_ATTRIBUTE_ALBUM_NAME = 0x03; |
| public static final int MEDIA_ATTRIBUTE_TRACK_NUMBER = 0x04; |
| public static final int MEDIA_ATTRIBUTE_TOTAL_TRACK_NUMBER = 0x05; |
| public static final int MEDIA_ATTRIBUTE_GENRE = 0x06; |
| public static final int MEDIA_ATTRIBUTE_PLAYING_TIME = 0x07; |
| |
| /* |
| * Default values for each of the items |
| */ |
| public static final int TRACK_NUM_INVALID = 0xFF; |
| public static final int STATUS_INVALID = 0xFF; |
| public static final String TITLE_INVALID = "NOT_SUPPORTED"; |
| public static final String ARTIST_NAME_INVALID = "NOT_SUPPORTED"; |
| public static final String ALBUM_NAME_INVALID = "NOT_SUPPORTED"; |
| public static final int TOTAL_TRACKS_INVALID = 0xFFFFFFFF; |
| public static final String GENRE_INVALID = "NOT_SUPPORTED"; |
| public static final int PLAYING_TIME_INVALID = 0xFF; |
| public static final int TOTAL_TRACK_TIME_INVALID = 0xFF; |
| public static final String REPEAT_STATUS_INVALID = "NOT_SUPPORTED"; |
| public static final String SHUFFLE_STATUS_INVALID = "NOT_SUPPORTED"; |
| public static final String SCAN_STATUS_INVALID = "NOT_SUPPORTED"; |
| public static final String EQUALIZER_STATUS_INVALID = "NOT_SUPPORTED"; |
| public static final String BATTERY_STATUS_INVALID = "NOT_SUPPORTED"; |
| public static final String SYSTEM_STATUS_INVALID = "NOT_SUPPORTED"; |
| |
| /* |
| * Values for SetPlayerApplicationSettings |
| */ |
| public static final byte ATTRIB_EQUALIZER_STATUS = 0x01; |
| public static final byte ATTRIB_REPEAT_STATUS = 0x02; |
| public static final byte ATTRIB_SHUFFLE_STATUS = 0x03; |
| public static final byte ATTRIB_SCAN_STATUS = 0x04; |
| |
| public static final byte EQUALIZER_STATUS_OFF = 0x01; |
| public static final byte EQUALIZER_STATUS_ON = 0x02; |
| |
| public static final byte REPEAT_STATUS_OFF = 0x01; |
| public static final byte REPEAT_STATUS_SINGLE_TRACK_REPEAT = 0x02; |
| public static final byte REPEAT_STATUS_ALL_TRACK_REPEAT = 0x03; |
| public static final byte REPEAT_STATUS_GROUP_REPEAT = 0x04; |
| |
| public static final byte SHUFFLE_STATUS_OFF = 0x01; |
| public static final byte SHUFFLE_STATUS_ALL_TRACK_SHUFFLE = 0x02; |
| public static final byte SHUFFLE_STATUS_GROUP_SHUFFLE = 0x03; |
| |
| public static final byte SCAN_STATUS_OFF = 0x01; |
| public static final byte SCAN_STATUS_ALL_TRACK_SCAN = 0x02; |
| public static final byte SCAN_STATUS_GROUP_SCAN = 0x03; |
| |
| /* |
| * Play State Values |
| */ |
| public static final int PLAY_STATUS_STOPPED = 0x00; |
| public static final int PLAY_STATUS_PLAYING = 0x01; |
| public static final int PLAY_STATUS_PAUSED = 0x02; |
| public static final int PLAY_STATUS_FWD_SEEK = 0x03; |
| public static final int PLAY_STATUS_REV_SEEK = 0x04; |
| public static final int PLAY_STATUS_ERROR = 0xFF; |
| /* |
| * System Status |
| */ |
| public static final int SYSTEM_POWER_ON = 0x00; |
| public static final int SYSTEM_POWER_OFF = 0x01; |
| public static final int SYSTEM_UNPLUGGED = 0x02; |
| public static final int SYSTEM_STATUS_UNDEFINED = 0xFF; |
| /* |
| * Battery Status |
| */ |
| public static final int BATT_POWER_NORMAL = 0x00; |
| public static final int BATT_POWER_WARNING = 0x01; |
| public static final int BATT_POWER_CRITICAL = 0x02; |
| public static final int BATT_POWER_EXTERNAL = 0x03; |
| public static final int BATT_POWER_FULL_CHARGE = 0x04; |
| public static final int BATT_POWER_UNDEFINED = 0xFF; |
| |
| public static final int NOTIFICATION_RSP_TYPE_INTERIM = 0x00; |
| public static final int NOTIFICATION_RSP_TYPE_CHANGED = 0x01; |
| /* |
| * Base value for absolute volume |
| */ |
| static final int ABS_VOL_BASE = 127; |
| |
| public static final int MESSAGE_SEND_PASS_THROUGH_CMD = 1; |
| public static final int MESSAGE_SEND_SET_CURRENT_PLAYER_APPLICATION_SETTINGS = 2; |
| public static final int MESSAGE_SEND_GROUP_NAVIGATION_CMD = 3; |
| |
| public static final int MESSAGE_PROCESS_SUPPORTED_PLAYER_APP_SETTING = 101; |
| public static final int MESSAGE_PROCESS_PLAYER_APP_SETTING_CHANGED = 102; |
| public static final int MESSAGE_PROCESS_SET_ABS_VOL_CMD = 103; |
| public static final int MESSAGE_PROCESS_REGISTER_ABS_VOL_NOTIFICATION = 104; |
| public static final int MESSAGE_PROCESS_TRACK_CHANGED = 105; |
| public static final int MESSAGE_PROCESS_PLAY_POS_CHANGED = 106; |
| public static final int MESSAGE_PROCESS_PLAY_STATUS_CHANGED = 107; |
| |
| public static final int MESSAGE_PROCESS_RC_FEATURES = 1100; |
| public static final int MESSAGE_PROCESS_CONNECTION_CHANGE = 1200; |
| |
| public static final int MESSAGE_STOP_METADATA_BROADCASTS = 201; |
| public static final int MESSAGE_START_METADATA_BROADCASTS = 202; |
| |
| |
| public static String dumpMessageString(int message) |
| { |
| String str = "UNKNOWN"; |
| switch(message) |
| { |
| case MESSAGE_SEND_PASS_THROUGH_CMD: |
| str = "REQ_PASS_THROUGH_CMD"; |
| break; |
| case MESSAGE_SEND_SET_CURRENT_PLAYER_APPLICATION_SETTINGS: |
| str = "REQ_SET_PLAYER_APP_SETTING"; |
| break; |
| case MESSAGE_SEND_GROUP_NAVIGATION_CMD: |
| str = "REQ_GRP_NAV_CMD"; |
| break; |
| case MESSAGE_PROCESS_SUPPORTED_PLAYER_APP_SETTING: |
| str = "CB_SUPPORTED_PLAYER_APP_SETTING"; |
| break; |
| case MESSAGE_PROCESS_PLAYER_APP_SETTING_CHANGED: |
| str = "CB_PLAYER_APP_SETTING_CHANGED"; |
| break; |
| case MESSAGE_PROCESS_SET_ABS_VOL_CMD: |
| str = "CB_SET_ABS_VOL_CMD"; |
| break; |
| case MESSAGE_PROCESS_REGISTER_ABS_VOL_NOTIFICATION: |
| str = "CB_REGISTER_ABS_VOL"; |
| break; |
| case MESSAGE_PROCESS_TRACK_CHANGED: |
| str = "CB_TRACK_CHANGED"; |
| break; |
| case MESSAGE_PROCESS_PLAY_POS_CHANGED: |
| str = "CB_PLAY_POS_CHANGED"; |
| break; |
| case MESSAGE_PROCESS_PLAY_STATUS_CHANGED: |
| str = "CB_PLAY_STATUS_CHANGED"; |
| break; |
| case MESSAGE_PROCESS_RC_FEATURES: |
| str = "CB_RC_FEATURES"; |
| break; |
| case MESSAGE_PROCESS_CONNECTION_CHANGE: |
| str = "CB_CONN_CHANGED"; |
| break; |
| default: |
| str = Integer.toString(message); |
| break; |
| } |
| return str; |
| } |
| |
| /* Absolute Volume Notification State */ |
| /* if we are in this state, we would send vol update to remote */ |
| public static final int SEND_VOLUME_CHANGE_RSP = 0; |
| /* if we are in this state, we would not send vol update to remote */ |
| public static final int DEFER_VOLUME_CHANGE_RSP = 1; |
| public static final int VOLUME_LABEL_UNDEFINED = 0xFF; |
| } |
