1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.bluetooth.avrcpcontroller; 18 19 import android.media.MediaMetadata; 20 import android.media.session.PlaybackState; 21 import android.os.SystemClock; 22 import android.util.Log; 23 24 import java.util.Arrays; 25 26 /* 27 * Contains information about remote player 28 */ 29 class AvrcpPlayer { 30 private static final String TAG = "AvrcpPlayer"; 31 private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG); 32 33 public static final int INVALID_ID = -1; 34 35 public static final int FEATURE_PLAY = 40; 36 public static final int FEATURE_STOP = 41; 37 public static final int FEATURE_PAUSE = 42; 38 public static final int FEATURE_REWIND = 44; 39 public static final int FEATURE_FAST_FORWARD = 45; 40 public static final int FEATURE_FORWARD = 47; 41 public static final int FEATURE_PREVIOUS = 48; 42 public static final int FEATURE_BROWSING = 59; 43 44 private int mPlayStatus = PlaybackState.STATE_NONE; 45 private long mPlayTime = PlaybackState.PLAYBACK_POSITION_UNKNOWN; 46 private long mPlayTimeUpdate = 0; 47 private float mPlaySpeed = 1; 48 private int mId; 49 private String mName = ""; 50 private int mPlayerType; 51 private byte[] mPlayerFeatures; 52 private long mAvailableActions; 53 private MediaMetadata mCurrentTrack; 54 private PlaybackState mPlaybackState; 55 AvrcpPlayer()56 AvrcpPlayer() { 57 mId = INVALID_ID; 58 //Set Default Actions in case Player data isn't available. 59 mAvailableActions = PlaybackState.ACTION_PAUSE | PlaybackState.ACTION_PLAY 60 | PlaybackState.ACTION_SKIP_TO_NEXT | PlaybackState.ACTION_SKIP_TO_PREVIOUS 61 | PlaybackState.ACTION_STOP; 62 PlaybackState.Builder playbackStateBuilder = new PlaybackState.Builder() 63 .setActions(mAvailableActions); 64 mPlaybackState = playbackStateBuilder.build(); 65 } 66 AvrcpPlayer(int id, String name, byte[] playerFeatures, int playStatus, int playerType)67 AvrcpPlayer(int id, String name, byte[] playerFeatures, int playStatus, int playerType) { 68 mId = id; 69 mName = name; 70 mPlayStatus = playStatus; 71 mPlayerType = playerType; 72 mPlayerFeatures = Arrays.copyOf(playerFeatures, playerFeatures.length); 73 updateAvailableActions(); 74 PlaybackState.Builder playbackStateBuilder = new PlaybackState.Builder() 75 .setActions(mAvailableActions); 76 mPlaybackState = playbackStateBuilder.build(); 77 } 78 getId()79 public int getId() { 80 return mId; 81 } 82 getName()83 public String getName() { 84 return mName; 85 } 86 setPlayTime(int playTime)87 public void setPlayTime(int playTime) { 88 mPlayTime = playTime; 89 mPlayTimeUpdate = SystemClock.elapsedRealtime(); 90 mPlaybackState = new PlaybackState.Builder(mPlaybackState).setState(mPlayStatus, mPlayTime, 91 mPlaySpeed).build(); 92 } 93 getPlayTime()94 public long getPlayTime() { 95 return mPlayTime; 96 } 97 setPlayStatus(int playStatus)98 public void setPlayStatus(int playStatus) { 99 mPlayTime += mPlaySpeed * (SystemClock.elapsedRealtime() 100 - mPlaybackState.getLastPositionUpdateTime()); 101 mPlayStatus = playStatus; 102 switch (mPlayStatus) { 103 case PlaybackState.STATE_STOPPED: 104 mPlaySpeed = 0; 105 break; 106 case PlaybackState.STATE_PLAYING: 107 mPlaySpeed = 1; 108 break; 109 case PlaybackState.STATE_PAUSED: 110 mPlaySpeed = 0; 111 break; 112 case PlaybackState.STATE_FAST_FORWARDING: 113 mPlaySpeed = 3; 114 break; 115 case PlaybackState.STATE_REWINDING: 116 mPlaySpeed = -3; 117 break; 118 } 119 120 mPlaybackState = new PlaybackState.Builder(mPlaybackState).setState(mPlayStatus, mPlayTime, 121 mPlaySpeed).build(); 122 } 123 getPlayStatus()124 public int getPlayStatus() { 125 return mPlayStatus; 126 } 127 supportsFeature(int featureId)128 public boolean supportsFeature(int featureId) { 129 int byteNumber = featureId / 8; 130 byte bitMask = (byte) (1 << (featureId % 8)); 131 return (mPlayerFeatures[byteNumber] & bitMask) == bitMask; 132 } 133 getPlaybackState()134 public PlaybackState getPlaybackState() { 135 if (DBG) { 136 Log.d(TAG, "getPlayBackState state " + mPlayStatus + " time " + mPlayTime); 137 } 138 return mPlaybackState; 139 } 140 updateCurrentTrack(MediaMetadata update)141 public synchronized void updateCurrentTrack(MediaMetadata update) { 142 if (update != null) { 143 long trackNumber = update.getLong(MediaMetadata.METADATA_KEY_TRACK_NUMBER); 144 mPlaybackState = new PlaybackState.Builder(mPlaybackState).setActiveQueueItemId( 145 trackNumber - 1).build(); 146 } 147 mCurrentTrack = update; 148 } 149 getCurrentTrack()150 public synchronized MediaMetadata getCurrentTrack() { 151 return mCurrentTrack; 152 } 153 updateAvailableActions()154 private void updateAvailableActions() { 155 if (supportsFeature(FEATURE_PLAY)) { 156 mAvailableActions = mAvailableActions | PlaybackState.ACTION_PLAY; 157 } 158 if (supportsFeature(FEATURE_STOP)) { 159 mAvailableActions = mAvailableActions | PlaybackState.ACTION_STOP; 160 } 161 if (supportsFeature(FEATURE_PAUSE)) { 162 mAvailableActions = mAvailableActions | PlaybackState.ACTION_PAUSE; 163 } 164 if (supportsFeature(FEATURE_REWIND)) { 165 mAvailableActions = mAvailableActions | PlaybackState.ACTION_REWIND; 166 } 167 if (supportsFeature(FEATURE_FAST_FORWARD)) { 168 mAvailableActions = mAvailableActions | PlaybackState.ACTION_FAST_FORWARD; 169 } 170 if (supportsFeature(FEATURE_FORWARD)) { 171 mAvailableActions = mAvailableActions | PlaybackState.ACTION_SKIP_TO_NEXT; 172 } 173 if (supportsFeature(FEATURE_PREVIOUS)) { 174 mAvailableActions = mAvailableActions | PlaybackState.ACTION_SKIP_TO_PREVIOUS; 175 } 176 if (DBG) Log.d(TAG, "Supported Actions = " + mAvailableActions); 177 } 178 } 179