1 /* 2 * Copyright (C) 2014 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 android.hardware.hdmi; 18 19 import android.annotation.Nullable; 20 import android.annotation.SdkConstant; 21 import android.annotation.SdkConstant.SdkConstantType; 22 import android.annotation.SystemApi; 23 import android.os.RemoteException; 24 import android.util.ArrayMap; 25 import android.util.Log; 26 27 /** 28 * The {@link HdmiControlManager} class is used to send HDMI control messages 29 * to attached CEC devices. 30 * 31 * <p>Provides various HDMI client instances that represent HDMI-CEC logical devices 32 * hosted in the system. {@link #getTvClient()}, for instance will return an 33 * {@link HdmiTvClient} object if the system is configured to host one. Android system 34 * can host more than one logical CEC devices. If multiple types are configured they 35 * all work as if they were independent logical devices running in the system. 36 * 37 * @hide 38 */ 39 @SystemApi 40 public final class HdmiControlManager { 41 private static final String TAG = "HdmiControlManager"; 42 43 @Nullable private final IHdmiControlService mService; 44 45 /** 46 * Broadcast Action: Display OSD message. 47 * <p>Send when the service has a message to display on screen for events 48 * that need user's attention such as ARC status change. 49 * <p>Always contains the extra fields {@link #EXTRA_MESSAGE_ID}. 50 * <p>Requires {@link android.Manifest.permission#HDMI_CEC} to receive. 51 */ 52 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 53 public static final String ACTION_OSD_MESSAGE = "android.hardware.hdmi.action.OSD_MESSAGE"; 54 55 // --- Messages for ACTION_OSD_MESSAGE --- 56 /** 57 * Message that ARC enabled device is connected to invalid port (non-ARC port). 58 */ 59 public static final int OSD_MESSAGE_ARC_CONNECTED_INVALID_PORT = 1; 60 61 /** 62 * Message used by TV to receive volume status from Audio Receiver. It should check volume value 63 * that is retrieved from extra value with the key {@link #EXTRA_MESSAGE_EXTRA_PARAM1}. If the 64 * value is in range of [0,100], it is current volume of Audio Receiver. And there is another 65 * value, {@link #AVR_VOLUME_MUTED}, which is used to inform volume mute. 66 */ 67 public static final int OSD_MESSAGE_AVR_VOLUME_CHANGED = 2; 68 69 /** 70 * Used as an extra field in the intent {@link #ACTION_OSD_MESSAGE}. Contains the ID of 71 * the message to display on screen. 72 */ 73 public static final String EXTRA_MESSAGE_ID = "android.hardware.hdmi.extra.MESSAGE_ID"; 74 /** 75 * Used as an extra field in the intent {@link #ACTION_OSD_MESSAGE}. Contains the extra value 76 * of the message. 77 */ 78 public static final String EXTRA_MESSAGE_EXTRA_PARAM1 = 79 "android.hardware.hdmi.extra.MESSAGE_EXTRA_PARAM1"; 80 81 /** 82 * Volume value for mute state. 83 */ 84 public static final int AVR_VOLUME_MUTED = 101; 85 86 public static final int POWER_STATUS_UNKNOWN = -1; 87 public static final int POWER_STATUS_ON = 0; 88 public static final int POWER_STATUS_STANDBY = 1; 89 public static final int POWER_STATUS_TRANSIENT_TO_ON = 2; 90 public static final int POWER_STATUS_TRANSIENT_TO_STANDBY = 3; 91 92 public static final int RESULT_SUCCESS = 0; 93 public static final int RESULT_TIMEOUT = 1; 94 public static final int RESULT_SOURCE_NOT_AVAILABLE = 2; 95 public static final int RESULT_TARGET_NOT_AVAILABLE = 3; 96 public static final int RESULT_ALREADY_IN_PROGRESS = 4; 97 public static final int RESULT_EXCEPTION = 5; 98 public static final int RESULT_INCORRECT_MODE = 6; 99 public static final int RESULT_COMMUNICATION_FAILED = 7; 100 101 public static final int DEVICE_EVENT_ADD_DEVICE = 1; 102 public static final int DEVICE_EVENT_REMOVE_DEVICE = 2; 103 public static final int DEVICE_EVENT_UPDATE_DEVICE = 3; 104 105 // --- One Touch Recording success result 106 /** Recording currently selected source. Indicates the status of a recording. */ 107 public static final int ONE_TOUCH_RECORD_RECORDING_CURRENTLY_SELECTED_SOURCE = 0x01; 108 /** Recording Digital Service. Indicates the status of a recording. */ 109 public static final int ONE_TOUCH_RECORD_RECORDING_DIGITAL_SERVICE = 0x02; 110 /** Recording Analogue Service. Indicates the status of a recording. */ 111 public static final int ONE_TOUCH_RECORD_RECORDING_ANALOGUE_SERVICE = 0x03; 112 /** Recording External input. Indicates the status of a recording. */ 113 public static final int ONE_TOUCH_RECORD_RECORDING_EXTERNAL_INPUT = 0x04; 114 115 // --- One Touch Record failure result 116 /** No recording – unable to record Digital Service. No suitable tuner. */ 117 public static final int ONE_TOUCH_RECORD_UNABLE_DIGITAL_SERVICE = 0x05; 118 /** No recording – unable to record Analogue Service. No suitable tuner. */ 119 public static final int ONE_TOUCH_RECORD_UNABLE_ANALOGUE_SERVICE = 0x06; 120 /** 121 * No recording – unable to select required service. as suitable tuner, but the requested 122 * parameters are invalid or out of range for that tuner. 123 */ 124 public static final int ONE_TOUCH_RECORD_UNABLE_SELECTED_SERVICE = 0x07; 125 /** No recording – invalid External plug number */ 126 public static final int ONE_TOUCH_RECORD_INVALID_EXTERNAL_PLUG_NUMBER = 0x09; 127 /** No recording – invalid External Physical Address */ 128 public static final int ONE_TOUCH_RECORD_INVALID_EXTERNAL_PHYSICAL_ADDRESS = 0x0A; 129 /** No recording – CA system not supported */ 130 public static final int ONE_TOUCH_RECORD_UNSUPPORTED_CA = 0x0B; 131 /** No Recording – No or Insufficient CA Entitlements” */ 132 public static final int ONE_TOUCH_RECORD_NO_OR_INSUFFICIENT_CA_ENTITLEMENTS = 0x0C; 133 /** No recording – Not allowed to copy source. Source is “copy never”. */ 134 public static final int ONE_TOUCH_RECORD_DISALLOW_TO_COPY = 0x0D; 135 /** No recording – No further copies allowed */ 136 public static final int ONE_TOUCH_RECORD_DISALLOW_TO_FUTHER_COPIES = 0x0E; 137 /** No recording – No media */ 138 public static final int ONE_TOUCH_RECORD_NO_MEDIA = 0x10; 139 /** No recording – playing */ 140 public static final int ONE_TOUCH_RECORD_PLAYING = 0x11; 141 /** No recording – already recording */ 142 public static final int ONE_TOUCH_RECORD_ALREADY_RECORDING = 0x12; 143 /** No recording – media protected */ 144 public static final int ONE_TOUCH_RECORD_MEDIA_PROTECTED = 0x13; 145 /** No recording – no source signal */ 146 public static final int ONE_TOUCH_RECORD_NO_SOURCE_SIGNAL = 0x14; 147 /** No recording – media problem */ 148 public static final int ONE_TOUCH_RECORD_MEDIA_PROBLEM = 0x15; 149 /** No recording – not enough space available */ 150 public static final int ONE_TOUCH_RECORD_NOT_ENOUGH_SPACE = 0x16; 151 /** No recording – Parental Lock On */ 152 public static final int ONE_TOUCH_RECORD_PARENT_LOCK_ON = 0x17; 153 /** Recording terminated normally */ 154 public static final int ONE_TOUCH_RECORD_RECORDING_TERMINATED_NORMALLY = 0x1A; 155 /** Recording has already terminated */ 156 public static final int ONE_TOUCH_RECORD_RECORDING_ALREADY_TERMINATED = 0x1B; 157 /** No recording – other reason */ 158 public static final int ONE_TOUCH_RECORD_OTHER_REASON = 0x1F; 159 // From here extra message for recording that is not mentioned in CEC spec 160 /** No recording. Previous recording request in progress. */ 161 public static final int ONE_TOUCH_RECORD_PREVIOUS_RECORDING_IN_PROGRESS = 0x30; 162 /** No recording. Please check recorder and connection. */ 163 public static final int ONE_TOUCH_RECORD_CHECK_RECORDER_CONNECTION = 0x31; 164 /** Cannot record currently displayed source. */ 165 public static final int ONE_TOUCH_RECORD_FAIL_TO_RECORD_DISPLAYED_SCREEN = 0x32; 166 /** CEC is disabled. */ 167 public static final int ONE_TOUCH_RECORD_CEC_DISABLED = 0x33; 168 169 // --- Types for timer recording 170 /** Timer recording type for digital service source. */ 171 public static final int TIMER_RECORDING_TYPE_DIGITAL = 1; 172 /** Timer recording type for analogue service source. */ 173 public static final int TIMER_RECORDING_TYPE_ANALOGUE = 2; 174 /** Timer recording type for external source. */ 175 public static final int TIMER_RECORDING_TYPE_EXTERNAL = 3; 176 177 // --- Timer Status Data 178 /** [Timer Status Data/Media Info] - Media present and not protected. */ 179 public static final int TIMER_STATUS_MEDIA_INFO_PRESENT_NOT_PROTECTED = 0x0; 180 /** [Timer Status Data/Media Info] - Media present, but protected. */ 181 public static final int TIMER_STATUS_MEDIA_INFO_PRESENT_PROTECTED = 0x1; 182 /** [Timer Status Data/Media Info] - Media not present. */ 183 public static final int TIMER_STATUS_MEDIA_INFO_NOT_PRESENT = 0x2; 184 185 /** [Timer Status Data/Programmed Info] - Enough space available for recording. */ 186 public static final int TIMER_STATUS_PROGRAMMED_INFO_ENOUGH_SPACE = 0x8; 187 /** [Timer Status Data/Programmed Info] - Not enough space available for recording. */ 188 public static final int TIMER_STATUS_PROGRAMMED_INFO_NOT_ENOUGH_SPACE = 0x9; 189 /** [Timer Status Data/Programmed Info] - Might not enough space available for recording. */ 190 public static final int TIMER_STATUS_PROGRAMMED_INFO_MIGHT_NOT_ENOUGH_SPACE = 0xB; 191 /** [Timer Status Data/Programmed Info] - No media info available. */ 192 public static final int TIMER_STATUS_PROGRAMMED_INFO_NO_MEDIA_INFO = 0xA; 193 194 /** [Timer Status Data/Not Programmed Error Info] - No free timer available. */ 195 public static final int TIMER_STATUS_NOT_PROGRAMMED_NO_FREE_TIME = 0x1; 196 /** [Timer Status Data/Not Programmed Error Info] - Date out of range. */ 197 public static final int TIMER_STATUS_NOT_PROGRAMMED_DATE_OUT_OF_RANGE = 0x2; 198 /** [Timer Status Data/Not Programmed Error Info] - Recording Sequence error. */ 199 public static final int TIMER_STATUS_NOT_PROGRAMMED_INVALID_SEQUENCE = 0x3; 200 /** [Timer Status Data/Not Programmed Error Info] - Invalid External Plug Number. */ 201 public static final int TIMER_STATUS_NOT_PROGRAMMED_INVALID_EXTERNAL_PLUG_NUMBER = 0x4; 202 /** [Timer Status Data/Not Programmed Error Info] - Invalid External Physical Address. */ 203 public static final int TIMER_STATUS_NOT_PROGRAMMED_INVALID_EXTERNAL_PHYSICAL_NUMBER = 0x5; 204 /** [Timer Status Data/Not Programmed Error Info] - CA system not supported. */ 205 public static final int TIMER_STATUS_NOT_PROGRAMMED_CA_NOT_SUPPORTED = 0x6; 206 /** [Timer Status Data/Not Programmed Error Info] - No or insufficient CA Entitlements. */ 207 public static final int TIMER_STATUS_NOT_PROGRAMMED_NO_CA_ENTITLEMENTS = 0x7; 208 /** [Timer Status Data/Not Programmed Error Info] - Does not support resolution. */ 209 public static final int TIMER_STATUS_NOT_PROGRAMMED_UNSUPPORTED_RESOLUTION = 0x8; 210 /** [Timer Status Data/Not Programmed Error Info] - Parental Lock On. */ 211 public static final int TIMER_STATUS_NOT_PROGRAMMED_PARENTAL_LOCK_ON= 0x9; 212 /** [Timer Status Data/Not Programmed Error Info] - Clock Failure. */ 213 public static final int TIMER_STATUS_NOT_PROGRAMMED_CLOCK_FAILURE = 0xA; 214 /** [Timer Status Data/Not Programmed Error Info] - Duplicate: already programmed. */ 215 public static final int TIMER_STATUS_NOT_PROGRAMMED_DUPLICATED = 0xE; 216 217 // --- Extra result value for timer recording. 218 /** No extra error. */ 219 public static final int TIMER_RECORDING_RESULT_EXTRA_NO_ERROR = 0x00; 220 /** No timer recording - check recorder and connection. */ 221 public static final int TIMER_RECORDING_RESULT_EXTRA_CHECK_RECORDER_CONNECTION = 0x01; 222 /** No timer recording - cannot record selected source. */ 223 public static final int TIMER_RECORDING_RESULT_EXTRA_FAIL_TO_RECORD_SELECTED_SOURCE = 0x02; 224 /** CEC is disabled. */ 225 public static final int TIMER_RECORDING_RESULT_EXTRA_CEC_DISABLED = 0x03; 226 227 // -- Timer cleared status data code used for result of onClearTimerRecordingResult. 228 /** Timer not cleared – recording. */ 229 public static final int CLEAR_TIMER_STATUS_TIMER_NOT_CLEARED_RECORDING = 0x00; 230 /** Timer not cleared – no matching. */ 231 public static final int CLEAR_TIMER_STATUS_TIMER_NOT_CLEARED_NO_MATCHING = 0x01; 232 /** Timer not cleared – no info available. */ 233 public static final int CLEAR_TIMER_STATUS_TIMER_NOT_CLEARED_NO_INFO_AVAILABLE = 0x02; 234 /** Timer cleared. */ 235 public static final int CLEAR_TIMER_STATUS_TIMER_CLEARED = 0x80; 236 /** Clear timer error - check recorder and connection. */ 237 public static final int CLEAR_TIMER_STATUS_CHECK_RECORDER_CONNECTION = 0xA0; 238 /** Clear timer error - cannot clear timer for selected source. */ 239 public static final int CLEAR_TIMER_STATUS_FAIL_TO_CLEAR_SELECTED_SOURCE = 0xA1; 240 /** Clear timer error - CEC is disabled. */ 241 public static final int CLEAR_TIMER_STATUS_CEC_DISABLE = 0xA2; 242 243 /** The HdmiControlService is started. */ 244 public static final int CONTROL_STATE_CHANGED_REASON_START = 0; 245 /** The state of HdmiControlService is changed by changing of settings. */ 246 public static final int CONTROL_STATE_CHANGED_REASON_SETTING = 1; 247 /** The HdmiControlService is enabled to wake up. */ 248 public static final int CONTROL_STATE_CHANGED_REASON_WAKEUP = 2; 249 /** The HdmiControlService will be disabled to standby. */ 250 public static final int CONTROL_STATE_CHANGED_REASON_STANDBY = 3; 251 252 // True if we have a logical device of type playback hosted in the system. 253 private final boolean mHasPlaybackDevice; 254 // True if we have a logical device of type TV hosted in the system. 255 private final boolean mHasTvDevice; 256 257 /** 258 * {@hide} - hide this constructor because it has a parameter of type IHdmiControlService, 259 * which is a system private class. The right way to create an instance of this class is 260 * using the factory Context.getSystemService. 261 */ HdmiControlManager(IHdmiControlService service)262 public HdmiControlManager(IHdmiControlService service) { 263 mService = service; 264 int[] types = null; 265 if (mService != null) { 266 try { 267 types = mService.getSupportedTypes(); 268 } catch (RemoteException e) { 269 // Do nothing. 270 } 271 } 272 mHasTvDevice = hasDeviceType(types, HdmiDeviceInfo.DEVICE_TV); 273 mHasPlaybackDevice = hasDeviceType(types, HdmiDeviceInfo.DEVICE_PLAYBACK); 274 } 275 hasDeviceType(int[] types, int type)276 private static boolean hasDeviceType(int[] types, int type) { 277 if (types == null) { 278 return false; 279 } 280 for (int t : types) { 281 if (t == type) { 282 return true; 283 } 284 } 285 return false; 286 } 287 288 /** 289 * Gets an object that represents an HDMI-CEC logical device of a specified type. 290 * 291 * @param type CEC device type 292 * @return {@link HdmiClient} instance. {@code null} on failure. 293 * See {@link HdmiDeviceInfo#DEVICE_PLAYBACK} 294 * See {@link HdmiDeviceInfo#DEVICE_TV} 295 */ 296 @Nullable getClient(int type)297 public HdmiClient getClient(int type) { 298 if (mService == null) { 299 return null; 300 } 301 switch (type) { 302 case HdmiDeviceInfo.DEVICE_TV: 303 return mHasTvDevice ? new HdmiTvClient(mService) : null; 304 case HdmiDeviceInfo.DEVICE_PLAYBACK: 305 return mHasPlaybackDevice ? new HdmiPlaybackClient(mService) : null; 306 default: 307 return null; 308 } 309 } 310 311 /** 312 * Gets an object that represents an HDMI-CEC logical device of type playback on the system. 313 * 314 * <p>Used to send HDMI control messages to other devices like TV or audio amplifier through 315 * HDMI bus. It is also possible to communicate with other logical devices hosted in the same 316 * system if the system is configured to host more than one type of HDMI-CEC logical devices. 317 * 318 * @return {@link HdmiPlaybackClient} instance. {@code null} on failure. 319 */ 320 @Nullable getPlaybackClient()321 public HdmiPlaybackClient getPlaybackClient() { 322 return (HdmiPlaybackClient) getClient(HdmiDeviceInfo.DEVICE_PLAYBACK); 323 } 324 325 /** 326 * Gets an object that represents an HDMI-CEC logical device of type TV on the system. 327 * 328 * <p>Used to send HDMI control messages to other devices and manage them through 329 * HDMI bus. It is also possible to communicate with other logical devices hosted in the same 330 * system if the system is configured to host more than one type of HDMI-CEC logical devices. 331 * 332 * @return {@link HdmiTvClient} instance. {@code null} on failure. 333 */ 334 @Nullable getTvClient()335 public HdmiTvClient getTvClient() { 336 return (HdmiTvClient) getClient(HdmiDeviceInfo.DEVICE_TV); 337 } 338 339 /** 340 * Listener used to get hotplug event from HDMI port. 341 */ 342 public interface HotplugEventListener { onReceived(HdmiHotplugEvent event)343 void onReceived(HdmiHotplugEvent event); 344 } 345 346 private final ArrayMap<HotplugEventListener, IHdmiHotplugEventListener> 347 mHotplugEventListeners = new ArrayMap<>(); 348 349 /** 350 * Listener used to get vendor-specific commands. 351 */ 352 public interface VendorCommandListener { 353 /** 354 * Called when a vendor command is received. 355 * 356 * @param srcAddress source logical address 357 * @param destAddress destination logical address 358 * @param params vendor-specific parameters 359 * @param hasVendorId {@code true} if the command is <Vendor Command 360 * With ID>. The first 3 bytes of params is vendor id. 361 */ onReceived(int srcAddress, int destAddress, byte[] params, boolean hasVendorId)362 void onReceived(int srcAddress, int destAddress, byte[] params, boolean hasVendorId); 363 364 /** 365 * The callback is called: 366 * <ul> 367 * <li> before HdmiControlService is disabled. 368 * <li> after HdmiControlService is enabled and the local address is assigned. 369 * </ul> 370 * The client shouldn't hold the thread too long since this is a blocking call. 371 * 372 * @param enabled {@code true} if HdmiControlService is enabled. 373 * @param reason the reason code why the state of HdmiControlService is changed. 374 * @see #CONTROL_STATE_CHANGED_REASON_START 375 * @see #CONTROL_STATE_CHANGED_REASON_SETTING 376 * @see #CONTROL_STATE_CHANGED_REASON_WAKEUP 377 * @see #CONTROL_STATE_CHANGED_REASON_STANDBY 378 */ onControlStateChanged(boolean enabled, int reason)379 void onControlStateChanged(boolean enabled, int reason); 380 } 381 382 /** 383 * Adds a listener to get informed of {@link HdmiHotplugEvent}. 384 * 385 * <p>To stop getting the notification, 386 * use {@link #removeHotplugEventListener(HotplugEventListener)}. 387 * 388 * @param listener {@link HotplugEventListener} instance 389 * @see HdmiControlManager#removeHotplugEventListener(HotplugEventListener) 390 */ addHotplugEventListener(HotplugEventListener listener)391 public void addHotplugEventListener(HotplugEventListener listener) { 392 if (mService == null) { 393 Log.e(TAG, "HdmiControlService is not available"); 394 return; 395 } 396 if (mHotplugEventListeners.containsKey(listener)) { 397 Log.e(TAG, "listener is already registered"); 398 return; 399 } 400 IHdmiHotplugEventListener wrappedListener = getHotplugEventListenerWrapper(listener); 401 mHotplugEventListeners.put(listener, wrappedListener); 402 try { 403 mService.addHotplugEventListener(wrappedListener); 404 } catch (RemoteException e) { 405 Log.e(TAG, "failed to add hotplug event listener: ", e); 406 } 407 } 408 409 /** 410 * Removes a listener to stop getting informed of {@link HdmiHotplugEvent}. 411 * 412 * @param listener {@link HotplugEventListener} instance to be removed 413 */ removeHotplugEventListener(HotplugEventListener listener)414 public void removeHotplugEventListener(HotplugEventListener listener) { 415 if (mService == null) { 416 Log.e(TAG, "HdmiControlService is not available"); 417 return; 418 } 419 IHdmiHotplugEventListener wrappedListener = mHotplugEventListeners.remove(listener); 420 if (wrappedListener == null) { 421 Log.e(TAG, "tried to remove not-registered listener"); 422 return; 423 } 424 try { 425 mService.removeHotplugEventListener(wrappedListener); 426 } catch (RemoteException e) { 427 Log.e(TAG, "failed to remove hotplug event listener: ", e); 428 } 429 } 430 getHotplugEventListenerWrapper( final HotplugEventListener listener)431 private IHdmiHotplugEventListener getHotplugEventListenerWrapper( 432 final HotplugEventListener listener) { 433 return new IHdmiHotplugEventListener.Stub() { 434 @Override 435 public void onReceived(HdmiHotplugEvent event) { 436 listener.onReceived(event);; 437 } 438 }; 439 } 440 } 441