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 97 @Deprecated public static final int RESULT_ALREADY_IN_PROGRESS = 4; 98 public static final int RESULT_EXCEPTION = 5; 99 public static final int RESULT_INCORRECT_MODE = 6; 100 public static final int RESULT_COMMUNICATION_FAILED = 7; 101 102 public static final int DEVICE_EVENT_ADD_DEVICE = 1; 103 public static final int DEVICE_EVENT_REMOVE_DEVICE = 2; 104 public static final int DEVICE_EVENT_UPDATE_DEVICE = 3; 105 106 // --- One Touch Recording success result 107 /** Recording currently selected source. Indicates the status of a recording. */ 108 public static final int ONE_TOUCH_RECORD_RECORDING_CURRENTLY_SELECTED_SOURCE = 0x01; 109 /** Recording Digital Service. Indicates the status of a recording. */ 110 public static final int ONE_TOUCH_RECORD_RECORDING_DIGITAL_SERVICE = 0x02; 111 /** Recording Analogue Service. Indicates the status of a recording. */ 112 public static final int ONE_TOUCH_RECORD_RECORDING_ANALOGUE_SERVICE = 0x03; 113 /** Recording External input. Indicates the status of a recording. */ 114 public static final int ONE_TOUCH_RECORD_RECORDING_EXTERNAL_INPUT = 0x04; 115 116 // --- One Touch Record failure result 117 /** No recording – unable to record Digital Service. No suitable tuner. */ 118 public static final int ONE_TOUCH_RECORD_UNABLE_DIGITAL_SERVICE = 0x05; 119 /** No recording – unable to record Analogue Service. No suitable tuner. */ 120 public static final int ONE_TOUCH_RECORD_UNABLE_ANALOGUE_SERVICE = 0x06; 121 /** 122 * No recording – unable to select required service. as suitable tuner, but the requested 123 * parameters are invalid or out of range for that tuner. 124 */ 125 public static final int ONE_TOUCH_RECORD_UNABLE_SELECTED_SERVICE = 0x07; 126 /** No recording – invalid External plug number */ 127 public static final int ONE_TOUCH_RECORD_INVALID_EXTERNAL_PLUG_NUMBER = 0x09; 128 /** No recording – invalid External Physical Address */ 129 public static final int ONE_TOUCH_RECORD_INVALID_EXTERNAL_PHYSICAL_ADDRESS = 0x0A; 130 /** No recording – CA system not supported */ 131 public static final int ONE_TOUCH_RECORD_UNSUPPORTED_CA = 0x0B; 132 /** No Recording – No or Insufficient CA Entitlements” */ 133 public static final int ONE_TOUCH_RECORD_NO_OR_INSUFFICIENT_CA_ENTITLEMENTS = 0x0C; 134 /** No recording – Not allowed to copy source. Source is “copy never”. */ 135 public static final int ONE_TOUCH_RECORD_DISALLOW_TO_COPY = 0x0D; 136 /** No recording – No further copies allowed */ 137 public static final int ONE_TOUCH_RECORD_DISALLOW_TO_FUTHER_COPIES = 0x0E; 138 /** No recording – No media */ 139 public static final int ONE_TOUCH_RECORD_NO_MEDIA = 0x10; 140 /** No recording – playing */ 141 public static final int ONE_TOUCH_RECORD_PLAYING = 0x11; 142 /** No recording – already recording */ 143 public static final int ONE_TOUCH_RECORD_ALREADY_RECORDING = 0x12; 144 /** No recording – media protected */ 145 public static final int ONE_TOUCH_RECORD_MEDIA_PROTECTED = 0x13; 146 /** No recording – no source signal */ 147 public static final int ONE_TOUCH_RECORD_NO_SOURCE_SIGNAL = 0x14; 148 /** No recording – media problem */ 149 public static final int ONE_TOUCH_RECORD_MEDIA_PROBLEM = 0x15; 150 /** No recording – not enough space available */ 151 public static final int ONE_TOUCH_RECORD_NOT_ENOUGH_SPACE = 0x16; 152 /** No recording – Parental Lock On */ 153 public static final int ONE_TOUCH_RECORD_PARENT_LOCK_ON = 0x17; 154 /** Recording terminated normally */ 155 public static final int ONE_TOUCH_RECORD_RECORDING_TERMINATED_NORMALLY = 0x1A; 156 /** Recording has already terminated */ 157 public static final int ONE_TOUCH_RECORD_RECORDING_ALREADY_TERMINATED = 0x1B; 158 /** No recording – other reason */ 159 public static final int ONE_TOUCH_RECORD_OTHER_REASON = 0x1F; 160 // From here extra message for recording that is not mentioned in CEC spec 161 /** No recording. Previous recording request in progress. */ 162 public static final int ONE_TOUCH_RECORD_PREVIOUS_RECORDING_IN_PROGRESS = 0x30; 163 /** No recording. Please check recorder and connection. */ 164 public static final int ONE_TOUCH_RECORD_CHECK_RECORDER_CONNECTION = 0x31; 165 /** Cannot record currently displayed source. */ 166 public static final int ONE_TOUCH_RECORD_FAIL_TO_RECORD_DISPLAYED_SCREEN = 0x32; 167 /** CEC is disabled. */ 168 public static final int ONE_TOUCH_RECORD_CEC_DISABLED = 0x33; 169 170 // --- Types for timer recording 171 /** Timer recording type for digital service source. */ 172 public static final int TIMER_RECORDING_TYPE_DIGITAL = 1; 173 /** Timer recording type for analogue service source. */ 174 public static final int TIMER_RECORDING_TYPE_ANALOGUE = 2; 175 /** Timer recording type for external source. */ 176 public static final int TIMER_RECORDING_TYPE_EXTERNAL = 3; 177 178 // --- Timer Status Data 179 /** [Timer Status Data/Media Info] - Media present and not protected. */ 180 public static final int TIMER_STATUS_MEDIA_INFO_PRESENT_NOT_PROTECTED = 0x0; 181 /** [Timer Status Data/Media Info] - Media present, but protected. */ 182 public static final int TIMER_STATUS_MEDIA_INFO_PRESENT_PROTECTED = 0x1; 183 /** [Timer Status Data/Media Info] - Media not present. */ 184 public static final int TIMER_STATUS_MEDIA_INFO_NOT_PRESENT = 0x2; 185 186 /** [Timer Status Data/Programmed Info] - Enough space available for recording. */ 187 public static final int TIMER_STATUS_PROGRAMMED_INFO_ENOUGH_SPACE = 0x8; 188 /** [Timer Status Data/Programmed Info] - Not enough space available for recording. */ 189 public static final int TIMER_STATUS_PROGRAMMED_INFO_NOT_ENOUGH_SPACE = 0x9; 190 /** [Timer Status Data/Programmed Info] - Might not enough space available for recording. */ 191 public static final int TIMER_STATUS_PROGRAMMED_INFO_MIGHT_NOT_ENOUGH_SPACE = 0xB; 192 /** [Timer Status Data/Programmed Info] - No media info available. */ 193 public static final int TIMER_STATUS_PROGRAMMED_INFO_NO_MEDIA_INFO = 0xA; 194 195 /** [Timer Status Data/Not Programmed Error Info] - No free timer available. */ 196 public static final int TIMER_STATUS_NOT_PROGRAMMED_NO_FREE_TIME = 0x1; 197 /** [Timer Status Data/Not Programmed Error Info] - Date out of range. */ 198 public static final int TIMER_STATUS_NOT_PROGRAMMED_DATE_OUT_OF_RANGE = 0x2; 199 /** [Timer Status Data/Not Programmed Error Info] - Recording Sequence error. */ 200 public static final int TIMER_STATUS_NOT_PROGRAMMED_INVALID_SEQUENCE = 0x3; 201 /** [Timer Status Data/Not Programmed Error Info] - Invalid External Plug Number. */ 202 public static final int TIMER_STATUS_NOT_PROGRAMMED_INVALID_EXTERNAL_PLUG_NUMBER = 0x4; 203 /** [Timer Status Data/Not Programmed Error Info] - Invalid External Physical Address. */ 204 public static final int TIMER_STATUS_NOT_PROGRAMMED_INVALID_EXTERNAL_PHYSICAL_NUMBER = 0x5; 205 /** [Timer Status Data/Not Programmed Error Info] - CA system not supported. */ 206 public static final int TIMER_STATUS_NOT_PROGRAMMED_CA_NOT_SUPPORTED = 0x6; 207 /** [Timer Status Data/Not Programmed Error Info] - No or insufficient CA Entitlements. */ 208 public static final int TIMER_STATUS_NOT_PROGRAMMED_NO_CA_ENTITLEMENTS = 0x7; 209 /** [Timer Status Data/Not Programmed Error Info] - Does not support resolution. */ 210 public static final int TIMER_STATUS_NOT_PROGRAMMED_UNSUPPORTED_RESOLUTION = 0x8; 211 /** [Timer Status Data/Not Programmed Error Info] - Parental Lock On. */ 212 public static final int TIMER_STATUS_NOT_PROGRAMMED_PARENTAL_LOCK_ON= 0x9; 213 /** [Timer Status Data/Not Programmed Error Info] - Clock Failure. */ 214 public static final int TIMER_STATUS_NOT_PROGRAMMED_CLOCK_FAILURE = 0xA; 215 /** [Timer Status Data/Not Programmed Error Info] - Duplicate: already programmed. */ 216 public static final int TIMER_STATUS_NOT_PROGRAMMED_DUPLICATED = 0xE; 217 218 // --- Extra result value for timer recording. 219 /** No extra error. */ 220 public static final int TIMER_RECORDING_RESULT_EXTRA_NO_ERROR = 0x00; 221 /** No timer recording - check recorder and connection. */ 222 public static final int TIMER_RECORDING_RESULT_EXTRA_CHECK_RECORDER_CONNECTION = 0x01; 223 /** No timer recording - cannot record selected source. */ 224 public static final int TIMER_RECORDING_RESULT_EXTRA_FAIL_TO_RECORD_SELECTED_SOURCE = 0x02; 225 /** CEC is disabled. */ 226 public static final int TIMER_RECORDING_RESULT_EXTRA_CEC_DISABLED = 0x03; 227 228 // -- Timer cleared status data code used for result of onClearTimerRecordingResult. 229 /** Timer not cleared – recording. */ 230 public static final int CLEAR_TIMER_STATUS_TIMER_NOT_CLEARED_RECORDING = 0x00; 231 /** Timer not cleared – no matching. */ 232 public static final int CLEAR_TIMER_STATUS_TIMER_NOT_CLEARED_NO_MATCHING = 0x01; 233 /** Timer not cleared – no info available. */ 234 public static final int CLEAR_TIMER_STATUS_TIMER_NOT_CLEARED_NO_INFO_AVAILABLE = 0x02; 235 /** Timer cleared. */ 236 public static final int CLEAR_TIMER_STATUS_TIMER_CLEARED = 0x80; 237 /** Clear timer error - check recorder and connection. */ 238 public static final int CLEAR_TIMER_STATUS_CHECK_RECORDER_CONNECTION = 0xA0; 239 /** Clear timer error - cannot clear timer for selected source. */ 240 public static final int CLEAR_TIMER_STATUS_FAIL_TO_CLEAR_SELECTED_SOURCE = 0xA1; 241 /** Clear timer error - CEC is disabled. */ 242 public static final int CLEAR_TIMER_STATUS_CEC_DISABLE = 0xA2; 243 244 /** The HdmiControlService is started. */ 245 public static final int CONTROL_STATE_CHANGED_REASON_START = 0; 246 /** The state of HdmiControlService is changed by changing of settings. */ 247 public static final int CONTROL_STATE_CHANGED_REASON_SETTING = 1; 248 /** The HdmiControlService is enabled to wake up. */ 249 public static final int CONTROL_STATE_CHANGED_REASON_WAKEUP = 2; 250 /** The HdmiControlService will be disabled to standby. */ 251 public static final int CONTROL_STATE_CHANGED_REASON_STANDBY = 3; 252 253 // True if we have a logical device of type playback hosted in the system. 254 private final boolean mHasPlaybackDevice; 255 // True if we have a logical device of type TV hosted in the system. 256 private final boolean mHasTvDevice; 257 258 /** 259 * {@hide} - hide this constructor because it has a parameter of type IHdmiControlService, 260 * which is a system private class. The right way to create an instance of this class is 261 * using the factory Context.getSystemService. 262 */ HdmiControlManager(IHdmiControlService service)263 public HdmiControlManager(IHdmiControlService service) { 264 mService = service; 265 int[] types = null; 266 if (mService != null) { 267 try { 268 types = mService.getSupportedTypes(); 269 } catch (RemoteException e) { 270 throw e.rethrowFromSystemServer(); 271 } 272 } 273 mHasTvDevice = hasDeviceType(types, HdmiDeviceInfo.DEVICE_TV); 274 mHasPlaybackDevice = hasDeviceType(types, HdmiDeviceInfo.DEVICE_PLAYBACK); 275 } 276 hasDeviceType(int[] types, int type)277 private static boolean hasDeviceType(int[] types, int type) { 278 if (types == null) { 279 return false; 280 } 281 for (int t : types) { 282 if (t == type) { 283 return true; 284 } 285 } 286 return false; 287 } 288 289 /** 290 * Gets an object that represents an HDMI-CEC logical device of a specified type. 291 * 292 * @param type CEC device type 293 * @return {@link HdmiClient} instance. {@code null} on failure. 294 * See {@link HdmiDeviceInfo#DEVICE_PLAYBACK} 295 * See {@link HdmiDeviceInfo#DEVICE_TV} 296 */ 297 @Nullable getClient(int type)298 public HdmiClient getClient(int type) { 299 if (mService == null) { 300 return null; 301 } 302 switch (type) { 303 case HdmiDeviceInfo.DEVICE_TV: 304 return mHasTvDevice ? new HdmiTvClient(mService) : null; 305 case HdmiDeviceInfo.DEVICE_PLAYBACK: 306 return mHasPlaybackDevice ? new HdmiPlaybackClient(mService) : null; 307 default: 308 return null; 309 } 310 } 311 312 /** 313 * Gets an object that represents an HDMI-CEC logical device of type playback on the system. 314 * 315 * <p>Used to send HDMI control messages to other devices like TV or audio amplifier through 316 * HDMI bus. It is also possible to communicate with other logical devices hosted in the same 317 * system if the system is configured to host more than one type of HDMI-CEC logical devices. 318 * 319 * @return {@link HdmiPlaybackClient} instance. {@code null} on failure. 320 */ 321 @Nullable getPlaybackClient()322 public HdmiPlaybackClient getPlaybackClient() { 323 return (HdmiPlaybackClient) getClient(HdmiDeviceInfo.DEVICE_PLAYBACK); 324 } 325 326 /** 327 * Gets an object that represents an HDMI-CEC logical device of type TV on the system. 328 * 329 * <p>Used to send HDMI control messages to other devices and manage them through 330 * HDMI bus. It is also possible to communicate with other logical devices hosted in the same 331 * system if the system is configured to host more than one type of HDMI-CEC logical devices. 332 * 333 * @return {@link HdmiTvClient} instance. {@code null} on failure. 334 */ 335 @Nullable getTvClient()336 public HdmiTvClient getTvClient() { 337 return (HdmiTvClient) getClient(HdmiDeviceInfo.DEVICE_TV); 338 } 339 340 /** 341 * Listener used to get hotplug event from HDMI port. 342 */ 343 public interface HotplugEventListener { onReceived(HdmiHotplugEvent event)344 void onReceived(HdmiHotplugEvent event); 345 } 346 347 private final ArrayMap<HotplugEventListener, IHdmiHotplugEventListener> 348 mHotplugEventListeners = new ArrayMap<>(); 349 350 /** 351 * Listener used to get vendor-specific commands. 352 */ 353 public interface VendorCommandListener { 354 /** 355 * Called when a vendor command is received. 356 * 357 * @param srcAddress source logical address 358 * @param destAddress destination logical address 359 * @param params vendor-specific parameters 360 * @param hasVendorId {@code true} if the command is <Vendor Command 361 * With ID>. The first 3 bytes of params is vendor id. 362 */ onReceived(int srcAddress, int destAddress, byte[] params, boolean hasVendorId)363 void onReceived(int srcAddress, int destAddress, byte[] params, boolean hasVendorId); 364 365 /** 366 * The callback is called: 367 * <ul> 368 * <li> before HdmiControlService is disabled. 369 * <li> after HdmiControlService is enabled and the local address is assigned. 370 * </ul> 371 * The client shouldn't hold the thread too long since this is a blocking call. 372 * 373 * @param enabled {@code true} if HdmiControlService is enabled. 374 * @param reason the reason code why the state of HdmiControlService is changed. 375 * @see #CONTROL_STATE_CHANGED_REASON_START 376 * @see #CONTROL_STATE_CHANGED_REASON_SETTING 377 * @see #CONTROL_STATE_CHANGED_REASON_WAKEUP 378 * @see #CONTROL_STATE_CHANGED_REASON_STANDBY 379 */ onControlStateChanged(boolean enabled, int reason)380 void onControlStateChanged(boolean enabled, int reason); 381 } 382 383 /** 384 * Adds a listener to get informed of {@link HdmiHotplugEvent}. 385 * 386 * <p>To stop getting the notification, 387 * use {@link #removeHotplugEventListener(HotplugEventListener)}. 388 * 389 * @param listener {@link HotplugEventListener} instance 390 * @see HdmiControlManager#removeHotplugEventListener(HotplugEventListener) 391 */ addHotplugEventListener(HotplugEventListener listener)392 public void addHotplugEventListener(HotplugEventListener listener) { 393 if (mService == null) { 394 Log.e(TAG, "HdmiControlService is not available"); 395 return; 396 } 397 if (mHotplugEventListeners.containsKey(listener)) { 398 Log.e(TAG, "listener is already registered"); 399 return; 400 } 401 IHdmiHotplugEventListener wrappedListener = getHotplugEventListenerWrapper(listener); 402 mHotplugEventListeners.put(listener, wrappedListener); 403 try { 404 mService.addHotplugEventListener(wrappedListener); 405 } catch (RemoteException e) { 406 throw e.rethrowFromSystemServer(); 407 } 408 } 409 410 /** 411 * Removes a listener to stop getting informed of {@link HdmiHotplugEvent}. 412 * 413 * @param listener {@link HotplugEventListener} instance to be removed 414 */ removeHotplugEventListener(HotplugEventListener listener)415 public void removeHotplugEventListener(HotplugEventListener listener) { 416 if (mService == null) { 417 Log.e(TAG, "HdmiControlService is not available"); 418 return; 419 } 420 IHdmiHotplugEventListener wrappedListener = mHotplugEventListeners.remove(listener); 421 if (wrappedListener == null) { 422 Log.e(TAG, "tried to remove not-registered listener"); 423 return; 424 } 425 try { 426 mService.removeHotplugEventListener(wrappedListener); 427 } catch (RemoteException e) { 428 throw e.rethrowFromSystemServer(); 429 } 430 } 431 getHotplugEventListenerWrapper( final HotplugEventListener listener)432 private IHdmiHotplugEventListener getHotplugEventListenerWrapper( 433 final HotplugEventListener listener) { 434 return new IHdmiHotplugEventListener.Stub() { 435 @Override 436 public void onReceived(HdmiHotplugEvent event) { 437 listener.onReceived(event);; 438 } 439 }; 440 } 441 } 442