TvInputHardwareManager.java revision b2b85f9576645e601dd38d1af83ad2737d8463d7
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 17package com.android.server.tv; 18 19import static android.media.tv.TvInputManager.INPUT_STATE_CONNECTED; 20import static android.media.tv.TvInputManager.INPUT_STATE_DISCONNECTED; 21 22import android.content.BroadcastReceiver; 23import android.content.Context; 24import android.content.Intent; 25import android.content.IntentFilter; 26import android.hardware.hdmi.HdmiControlManager; 27import android.hardware.hdmi.HdmiDeviceInfo; 28import android.hardware.hdmi.HdmiHotplugEvent; 29import android.hardware.hdmi.IHdmiControlService; 30import android.hardware.hdmi.IHdmiDeviceEventListener; 31import android.hardware.hdmi.IHdmiHotplugEventListener; 32import android.hardware.hdmi.IHdmiSystemAudioModeChangeListener; 33import android.media.AudioDevicePort; 34import android.media.AudioFormat; 35import android.media.AudioGain; 36import android.media.AudioGainConfig; 37import android.media.AudioManager; 38import android.media.AudioPatch; 39import android.media.AudioPort; 40import android.media.AudioPortConfig; 41import android.media.tv.ITvInputHardware; 42import android.media.tv.ITvInputHardwareCallback; 43import android.media.tv.TvInputHardwareInfo; 44import android.media.tv.TvInputInfo; 45import android.media.tv.TvStreamConfig; 46import android.os.Handler; 47import android.os.IBinder; 48import android.os.Message; 49import android.os.RemoteException; 50import android.os.ServiceManager; 51import android.util.ArrayMap; 52import android.util.Slog; 53import android.util.SparseArray; 54import android.util.SparseBooleanArray; 55import android.view.KeyEvent; 56import android.view.Surface; 57 58import com.android.internal.os.SomeArgs; 59import com.android.server.SystemService; 60 61import java.util.ArrayList; 62import java.util.Arrays; 63import java.util.Collections; 64import java.util.Iterator; 65import java.util.LinkedList; 66import java.util.List; 67import java.util.Map; 68 69/** 70 * A helper class for TvInputManagerService to handle TV input hardware. 71 * 72 * This class does a basic connection management and forwarding calls to TvInputHal which eventually 73 * calls to tv_input HAL module. 74 * 75 * @hide 76 */ 77class TvInputHardwareManager implements TvInputHal.Callback { 78 private static final String TAG = TvInputHardwareManager.class.getSimpleName(); 79 80 private final Context mContext; 81 private final Listener mListener; 82 private final TvInputHal mHal = new TvInputHal(this); 83 private final SparseArray<Connection> mConnections = new SparseArray<>(); 84 private final List<TvInputHardwareInfo> mHardwareList = new ArrayList<>(); 85 private final List<HdmiDeviceInfo> mHdmiDeviceList = new LinkedList<>(); 86 /* A map from a device ID to the matching TV input ID. */ 87 private final SparseArray<String> mHardwareInputIdMap = new SparseArray<>(); 88 /* A map from a HDMI logical address to the matching TV input ID. */ 89 private final SparseArray<String> mHdmiInputIdMap = new SparseArray<>(); 90 private final Map<String, TvInputInfo> mInputMap = new ArrayMap<>(); 91 92 private final AudioManager mAudioManager; 93 private IHdmiControlService mHdmiControlService; 94 private final IHdmiHotplugEventListener mHdmiHotplugEventListener = 95 new HdmiHotplugEventListener(); 96 private final IHdmiDeviceEventListener mHdmiDeviceEventListener = new HdmiDeviceEventListener(); 97 private final IHdmiSystemAudioModeChangeListener mHdmiSystemAudioModeChangeListener = 98 new HdmiSystemAudioModeChangeListener(); 99 private final BroadcastReceiver mVolumeReceiver = new BroadcastReceiver() { 100 @Override 101 public void onReceive(Context context, Intent intent) { 102 handleVolumeChange(context, intent); 103 } 104 }; 105 private int mCurrentIndex = 0; 106 private int mCurrentMaxIndex = 0; 107 private final boolean mUseMasterVolume; 108 109 // TODO: Should handle STANDBY case. 110 private final SparseBooleanArray mHdmiStateMap = new SparseBooleanArray(); 111 private final List<Message> mPendingHdmiDeviceEvents = new LinkedList<>(); 112 113 // Calls to mListener should happen here. 114 private final Handler mHandler = new ListenerHandler(); 115 116 private final Object mLock = new Object(); 117 118 public TvInputHardwareManager(Context context, Listener listener) { 119 mContext = context; 120 mListener = listener; 121 mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 122 mUseMasterVolume = mContext.getResources().getBoolean( 123 com.android.internal.R.bool.config_useMasterVolume); 124 mHal.init(); 125 } 126 127 public void onBootPhase(int phase) { 128 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 129 mHdmiControlService = IHdmiControlService.Stub.asInterface(ServiceManager.getService( 130 Context.HDMI_CONTROL_SERVICE)); 131 if (mHdmiControlService != null) { 132 try { 133 mHdmiControlService.addHotplugEventListener(mHdmiHotplugEventListener); 134 mHdmiControlService.addDeviceEventListener(mHdmiDeviceEventListener); 135 mHdmiControlService.addSystemAudioModeChangeListener( 136 mHdmiSystemAudioModeChangeListener); 137 mHdmiDeviceList.addAll(mHdmiControlService.getInputDevices()); 138 } catch (RemoteException e) { 139 Slog.w(TAG, "Error registering listeners to HdmiControlService:", e); 140 } 141 } else { 142 Slog.w(TAG, "HdmiControlService is not available"); 143 } 144 if (!mUseMasterVolume) { 145 final IntentFilter filter = new IntentFilter(); 146 filter.addAction(AudioManager.VOLUME_CHANGED_ACTION); 147 filter.addAction(AudioManager.STREAM_MUTE_CHANGED_ACTION); 148 mContext.registerReceiver(mVolumeReceiver, filter); 149 } 150 updateVolume(); 151 } 152 } 153 154 @Override 155 public void onDeviceAvailable(TvInputHardwareInfo info, TvStreamConfig[] configs) { 156 synchronized (mLock) { 157 Connection connection = new Connection(info); 158 connection.updateConfigsLocked(configs); 159 mConnections.put(info.getDeviceId(), connection); 160 buildHardwareListLocked(); 161 mHandler.obtainMessage( 162 ListenerHandler.HARDWARE_DEVICE_ADDED, 0, 0, info).sendToTarget(); 163 if (info.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 164 processPendingHdmiDeviceEventsLocked(); 165 } 166 } 167 } 168 169 private void buildHardwareListLocked() { 170 mHardwareList.clear(); 171 for (int i = 0; i < mConnections.size(); ++i) { 172 mHardwareList.add(mConnections.valueAt(i).getHardwareInfoLocked()); 173 } 174 } 175 176 @Override 177 public void onDeviceUnavailable(int deviceId) { 178 synchronized (mLock) { 179 Connection connection = mConnections.get(deviceId); 180 if (connection == null) { 181 Slog.e(TAG, "onDeviceUnavailable: Cannot find a connection with " + deviceId); 182 return; 183 } 184 connection.resetLocked(null, null, null, null, null); 185 mConnections.remove(deviceId); 186 buildHardwareListLocked(); 187 TvInputHardwareInfo info = connection.getHardwareInfoLocked(); 188 if (info.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 189 // Remove HDMI devices linked with this hardware. 190 for (Iterator<HdmiDeviceInfo> it = mHdmiDeviceList.iterator(); it.hasNext();) { 191 HdmiDeviceInfo deviceInfo = it.next(); 192 if (deviceInfo.getPortId() == info.getHdmiPortId()) { 193 mHandler.obtainMessage(ListenerHandler.HDMI_DEVICE_REMOVED, 0, 0, 194 deviceInfo).sendToTarget(); 195 it.remove(); 196 } 197 } 198 } 199 mHandler.obtainMessage( 200 ListenerHandler.HARDWARE_DEVICE_REMOVED, 0, 0, info).sendToTarget(); 201 } 202 } 203 204 @Override 205 public void onStreamConfigurationChanged(int deviceId, TvStreamConfig[] configs) { 206 synchronized (mLock) { 207 Connection connection = mConnections.get(deviceId); 208 if (connection == null) { 209 Slog.e(TAG, "StreamConfigurationChanged: Cannot find a connection with " 210 + deviceId); 211 return; 212 } 213 connection.updateConfigsLocked(configs); 214 String inputId = mHardwareInputIdMap.get(deviceId); 215 if (inputId != null) { 216 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 217 convertConnectedToState(configs.length > 0), 0, inputId).sendToTarget(); 218 } 219 ITvInputHardwareCallback callback = connection.getCallbackLocked(); 220 if (callback != null) { 221 try { 222 callback.onStreamConfigChanged(configs); 223 } catch (RemoteException e) { 224 Slog.e(TAG, "error in onStreamConfigurationChanged", e); 225 } 226 } 227 } 228 } 229 230 @Override 231 public void onFirstFrameCaptured(int deviceId, int streamId) { 232 synchronized (mLock) { 233 Connection connection = mConnections.get(deviceId); 234 if (connection == null) { 235 Slog.e(TAG, "FirstFrameCaptured: Cannot find a connection with " 236 + deviceId); 237 return; 238 } 239 Runnable runnable = connection.getOnFirstFrameCapturedLocked(); 240 if (runnable != null) { 241 runnable.run(); 242 connection.setOnFirstFrameCapturedLocked(null); 243 } 244 } 245 } 246 247 public List<TvInputHardwareInfo> getHardwareList() { 248 synchronized (mLock) { 249 return Collections.unmodifiableList(mHardwareList); 250 } 251 } 252 253 public List<HdmiDeviceInfo> getHdmiDeviceList() { 254 synchronized (mLock) { 255 return Collections.unmodifiableList(mHdmiDeviceList); 256 } 257 } 258 259 private boolean checkUidChangedLocked( 260 Connection connection, int callingUid, int resolvedUserId) { 261 Integer connectionCallingUid = connection.getCallingUidLocked(); 262 Integer connectionResolvedUserId = connection.getResolvedUserIdLocked(); 263 if (connectionCallingUid == null || connectionResolvedUserId == null) { 264 return true; 265 } 266 if (connectionCallingUid != callingUid || connectionResolvedUserId != resolvedUserId) { 267 return true; 268 } 269 return false; 270 } 271 272 private int convertConnectedToState(boolean connected) { 273 if (connected) { 274 return INPUT_STATE_CONNECTED; 275 } else { 276 return INPUT_STATE_DISCONNECTED; 277 } 278 } 279 280 public void addHardwareTvInput(int deviceId, TvInputInfo info) { 281 synchronized (mLock) { 282 String oldInputId = mHardwareInputIdMap.get(deviceId); 283 if (oldInputId != null) { 284 Slog.w(TAG, "Trying to override previous registration: old = " 285 + mInputMap.get(oldInputId) + ":" + deviceId + ", new = " 286 + info + ":" + deviceId); 287 } 288 mHardwareInputIdMap.put(deviceId, info.getId()); 289 mInputMap.put(info.getId(), info); 290 291 // Process pending state changes 292 293 // For logical HDMI devices, they have information from HDMI CEC signals. 294 for (int i = 0; i < mHdmiStateMap.size(); ++i) { 295 TvInputHardwareInfo hardwareInfo = 296 findHardwareInfoForHdmiPortLocked(mHdmiStateMap.keyAt(i)); 297 if (hardwareInfo == null) { 298 continue; 299 } 300 String inputId = mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 301 if (inputId != null && inputId.equals(info.getId())) { 302 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 303 convertConnectedToState(mHdmiStateMap.valueAt(i)), 0, 304 inputId).sendToTarget(); 305 return; 306 } 307 } 308 // For the rest of the devices, we can tell by the number of available streams. 309 Connection connection = mConnections.get(deviceId); 310 if (connection != null) { 311 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 312 convertConnectedToState(connection.getConfigsLocked().length > 0), 0, 313 info.getId()).sendToTarget(); 314 return; 315 } 316 } 317 } 318 319 private static <T> int indexOfEqualValue(SparseArray<T> map, T value) { 320 for (int i = 0; i < map.size(); ++i) { 321 if (map.valueAt(i).equals(value)) { 322 return i; 323 } 324 } 325 return -1; 326 } 327 328 private static boolean intArrayContains(int[] array, int value) { 329 for (int element : array) { 330 if (element == value) return true; 331 } 332 return false; 333 } 334 335 public void addHdmiTvInput(int id, TvInputInfo info) { 336 if (info.getType() != TvInputInfo.TYPE_HDMI) { 337 throw new IllegalArgumentException("info (" + info + ") has non-HDMI type."); 338 } 339 synchronized (mLock) { 340 String parentId = info.getParentId(); 341 int parentIndex = indexOfEqualValue(mHardwareInputIdMap, parentId); 342 if (parentIndex < 0) { 343 throw new IllegalArgumentException("info (" + info + ") has invalid parentId."); 344 } 345 String oldInputId = mHdmiInputIdMap.get(id); 346 if (oldInputId != null) { 347 Slog.w(TAG, "Trying to override previous registration: old = " 348 + mInputMap.get(oldInputId) + ":" + id + ", new = " 349 + info + ":" + id); 350 } 351 mHdmiInputIdMap.put(id, info.getId()); 352 mInputMap.put(info.getId(), info); 353 } 354 } 355 356 public void removeTvInput(String inputId) { 357 synchronized (mLock) { 358 mInputMap.remove(inputId); 359 int hardwareIndex = indexOfEqualValue(mHardwareInputIdMap, inputId); 360 if (hardwareIndex >= 0) { 361 mHardwareInputIdMap.removeAt(hardwareIndex); 362 } 363 int deviceIndex = indexOfEqualValue(mHdmiInputIdMap, inputId); 364 if (deviceIndex >= 0) { 365 mHdmiInputIdMap.removeAt(deviceIndex); 366 } 367 } 368 } 369 370 /** 371 * Create a TvInputHardware object with a specific deviceId. One service at a time can access 372 * the object, and if more than one process attempts to create hardware with the same deviceId, 373 * the latest service will get the object and all the other hardware are released. The 374 * release is notified via ITvInputHardwareCallback.onReleased(). 375 */ 376 public ITvInputHardware acquireHardware(int deviceId, ITvInputHardwareCallback callback, 377 TvInputInfo info, int callingUid, int resolvedUserId) { 378 if (callback == null) { 379 throw new NullPointerException(); 380 } 381 synchronized (mLock) { 382 Connection connection = mConnections.get(deviceId); 383 if (connection == null) { 384 Slog.e(TAG, "Invalid deviceId : " + deviceId); 385 return null; 386 } 387 if (checkUidChangedLocked(connection, callingUid, resolvedUserId)) { 388 TvInputHardwareImpl hardware = 389 new TvInputHardwareImpl(connection.getHardwareInfoLocked()); 390 try { 391 callback.asBinder().linkToDeath(connection, 0); 392 } catch (RemoteException e) { 393 hardware.release(); 394 return null; 395 } 396 connection.resetLocked(hardware, callback, info, callingUid, resolvedUserId); 397 } 398 return connection.getHardwareLocked(); 399 } 400 } 401 402 /** 403 * Release the specified hardware. 404 */ 405 public void releaseHardware(int deviceId, ITvInputHardware hardware, int callingUid, 406 int resolvedUserId) { 407 synchronized (mLock) { 408 Connection connection = mConnections.get(deviceId); 409 if (connection == null) { 410 Slog.e(TAG, "Invalid deviceId : " + deviceId); 411 return; 412 } 413 if (connection.getHardwareLocked() != hardware 414 || checkUidChangedLocked(connection, callingUid, resolvedUserId)) { 415 return; 416 } 417 connection.resetLocked(null, null, null, null, null); 418 } 419 } 420 421 private TvInputHardwareInfo findHardwareInfoForHdmiPortLocked(int port) { 422 for (TvInputHardwareInfo hardwareInfo : mHardwareList) { 423 if (hardwareInfo.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI 424 && hardwareInfo.getHdmiPortId() == port) { 425 return hardwareInfo; 426 } 427 } 428 return null; 429 } 430 431 private int findDeviceIdForInputIdLocked(String inputId) { 432 for (int i = 0; i < mConnections.size(); ++i) { 433 Connection connection = mConnections.get(i); 434 if (connection.getInfoLocked().getId().equals(inputId)) { 435 return i; 436 } 437 } 438 return -1; 439 } 440 441 /** 442 * Get the list of TvStreamConfig which is buffered mode. 443 */ 444 public List<TvStreamConfig> getAvailableTvStreamConfigList(String inputId, int callingUid, 445 int resolvedUserId) { 446 List<TvStreamConfig> configsList = new ArrayList<TvStreamConfig>(); 447 synchronized (mLock) { 448 int deviceId = findDeviceIdForInputIdLocked(inputId); 449 if (deviceId < 0) { 450 Slog.e(TAG, "Invalid inputId : " + inputId); 451 return configsList; 452 } 453 Connection connection = mConnections.get(deviceId); 454 for (TvStreamConfig config : connection.getConfigsLocked()) { 455 if (config.getType() == TvStreamConfig.STREAM_TYPE_BUFFER_PRODUCER) { 456 configsList.add(config); 457 } 458 } 459 } 460 return configsList; 461 } 462 463 /** 464 * Take a snapshot of the given TV input into the provided Surface. 465 */ 466 public boolean captureFrame(String inputId, Surface surface, final TvStreamConfig config, 467 int callingUid, int resolvedUserId) { 468 synchronized (mLock) { 469 int deviceId = findDeviceIdForInputIdLocked(inputId); 470 if (deviceId < 0) { 471 Slog.e(TAG, "Invalid inputId : " + inputId); 472 return false; 473 } 474 Connection connection = mConnections.get(deviceId); 475 final TvInputHardwareImpl hardwareImpl = connection.getHardwareImplLocked(); 476 if (hardwareImpl != null) { 477 // Stop previous capture. 478 Runnable runnable = connection.getOnFirstFrameCapturedLocked(); 479 if (runnable != null) { 480 runnable.run(); 481 connection.setOnFirstFrameCapturedLocked(null); 482 } 483 484 boolean result = hardwareImpl.startCapture(surface, config); 485 if (result) { 486 connection.setOnFirstFrameCapturedLocked(new Runnable() { 487 @Override 488 public void run() { 489 hardwareImpl.stopCapture(config); 490 } 491 }); 492 } 493 return result; 494 } 495 } 496 return false; 497 } 498 499 private void processPendingHdmiDeviceEventsLocked() { 500 for (Iterator<Message> it = mPendingHdmiDeviceEvents.iterator(); it.hasNext(); ) { 501 Message msg = it.next(); 502 HdmiDeviceInfo deviceInfo = (HdmiDeviceInfo) msg.obj; 503 TvInputHardwareInfo hardwareInfo = 504 findHardwareInfoForHdmiPortLocked(deviceInfo.getPortId()); 505 if (hardwareInfo != null) { 506 msg.sendToTarget(); 507 it.remove(); 508 } 509 } 510 } 511 512 private void updateVolume() { 513 mCurrentMaxIndex = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC); 514 mCurrentIndex = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC); 515 } 516 517 private void handleVolumeChange(Context context, Intent intent) { 518 String action = intent.getAction(); 519 if (action.equals(AudioManager.VOLUME_CHANGED_ACTION)) { 520 int streamType = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1); 521 if (streamType != AudioManager.STREAM_MUSIC) { 522 return; 523 } 524 int index = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, 0); 525 if (index == mCurrentIndex) { 526 return; 527 } 528 mCurrentIndex = index; 529 } else if (action.equals(AudioManager.STREAM_MUTE_CHANGED_ACTION)) { 530 int streamType = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1); 531 if (streamType != AudioManager.STREAM_MUSIC) { 532 return; 533 } 534 // volume index will be updated at onMediaStreamVolumeChanged() through updateVolume(). 535 } else { 536 Slog.w(TAG, "Unrecognized intent: " + intent); 537 return; 538 } 539 synchronized (mLock) { 540 for (int i = 0; i < mConnections.size(); ++i) { 541 TvInputHardwareImpl hardwareImpl = mConnections.valueAt(i).getHardwareImplLocked(); 542 if (hardwareImpl != null) { 543 hardwareImpl.onMediaStreamVolumeChanged(); 544 } 545 } 546 } 547 } 548 549 private float getMediaStreamVolume() { 550 return mUseMasterVolume ? 1.0f : ((float) mCurrentIndex / (float) mCurrentMaxIndex); 551 } 552 553 private class Connection implements IBinder.DeathRecipient { 554 private final TvInputHardwareInfo mHardwareInfo; 555 private TvInputInfo mInfo; 556 private TvInputHardwareImpl mHardware = null; 557 private ITvInputHardwareCallback mCallback; 558 private TvStreamConfig[] mConfigs = null; 559 private Integer mCallingUid = null; 560 private Integer mResolvedUserId = null; 561 private Runnable mOnFirstFrameCaptured; 562 563 public Connection(TvInputHardwareInfo hardwareInfo) { 564 mHardwareInfo = hardwareInfo; 565 } 566 567 // *Locked methods assume TvInputHardwareManager.mLock is held. 568 569 public void resetLocked(TvInputHardwareImpl hardware, ITvInputHardwareCallback callback, 570 TvInputInfo info, Integer callingUid, Integer resolvedUserId) { 571 if (mHardware != null) { 572 try { 573 mCallback.onReleased(); 574 } catch (RemoteException e) { 575 Slog.e(TAG, "error in Connection::resetLocked", e); 576 } 577 mHardware.release(); 578 } 579 mHardware = hardware; 580 mCallback = callback; 581 mInfo = info; 582 mCallingUid = callingUid; 583 mResolvedUserId = resolvedUserId; 584 mOnFirstFrameCaptured = null; 585 586 if (mHardware != null && mCallback != null) { 587 try { 588 mCallback.onStreamConfigChanged(getConfigsLocked()); 589 } catch (RemoteException e) { 590 Slog.e(TAG, "error in Connection::resetLocked", e); 591 } 592 } 593 } 594 595 public void updateConfigsLocked(TvStreamConfig[] configs) { 596 mConfigs = configs; 597 } 598 599 public TvInputHardwareInfo getHardwareInfoLocked() { 600 return mHardwareInfo; 601 } 602 603 public TvInputInfo getInfoLocked() { 604 return mInfo; 605 } 606 607 public ITvInputHardware getHardwareLocked() { 608 return mHardware; 609 } 610 611 public TvInputHardwareImpl getHardwareImplLocked() { 612 return mHardware; 613 } 614 615 public ITvInputHardwareCallback getCallbackLocked() { 616 return mCallback; 617 } 618 619 public TvStreamConfig[] getConfigsLocked() { 620 return mConfigs; 621 } 622 623 public Integer getCallingUidLocked() { 624 return mCallingUid; 625 } 626 627 public Integer getResolvedUserIdLocked() { 628 return mResolvedUserId; 629 } 630 631 public void setOnFirstFrameCapturedLocked(Runnable runnable) { 632 mOnFirstFrameCaptured = runnable; 633 } 634 635 public Runnable getOnFirstFrameCapturedLocked() { 636 return mOnFirstFrameCaptured; 637 } 638 639 @Override 640 public void binderDied() { 641 synchronized (mLock) { 642 resetLocked(null, null, null, null, null); 643 } 644 } 645 } 646 647 private class TvInputHardwareImpl extends ITvInputHardware.Stub { 648 private final TvInputHardwareInfo mInfo; 649 private boolean mReleased = false; 650 private final Object mImplLock = new Object(); 651 652 private final AudioManager.OnAudioPortUpdateListener mAudioListener = 653 new AudioManager.OnAudioPortUpdateListener() { 654 @Override 655 public void onAudioPortListUpdate(AudioPort[] portList) { 656 synchronized (mImplLock) { 657 updateAudioConfigLocked(); 658 } 659 } 660 661 @Override 662 public void onAudioPatchListUpdate(AudioPatch[] patchList) { 663 // No-op 664 } 665 666 @Override 667 public void onServiceDied() { 668 synchronized (mImplLock) { 669 mAudioSource = null; 670 mAudioSink.clear(); 671 mAudioPatch = null; 672 } 673 } 674 }; 675 private int mOverrideAudioType = AudioManager.DEVICE_NONE; 676 private String mOverrideAudioAddress = ""; 677 private AudioDevicePort mAudioSource; 678 private List<AudioDevicePort> mAudioSink = new ArrayList<>(); 679 private AudioPatch mAudioPatch = null; 680 private float mCommittedVolume = 0.0f; 681 private float mSourceVolume = 0.0f; 682 683 private TvStreamConfig mActiveConfig = null; 684 685 private int mDesiredSamplingRate = 0; 686 private int mDesiredChannelMask = AudioFormat.CHANNEL_OUT_DEFAULT; 687 private int mDesiredFormat = AudioFormat.ENCODING_DEFAULT; 688 689 public TvInputHardwareImpl(TvInputHardwareInfo info) { 690 mInfo = info; 691 mAudioManager.registerAudioPortUpdateListener(mAudioListener); 692 if (mInfo.getAudioType() != AudioManager.DEVICE_NONE) { 693 mAudioSource = findAudioDevicePort(mInfo.getAudioType(), mInfo.getAudioAddress()); 694 findAudioSinkFromAudioPolicy(mAudioSink); 695 } 696 } 697 698 private void findAudioSinkFromAudioPolicy(List<AudioDevicePort> sinks) { 699 sinks.clear(); 700 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 701 if (mAudioManager.listAudioDevicePorts(devicePorts) != AudioManager.SUCCESS) { 702 return; 703 } 704 int sinkDevice = mAudioManager.getDevicesForStream(AudioManager.STREAM_MUSIC); 705 for (AudioPort port : devicePorts) { 706 AudioDevicePort devicePort = (AudioDevicePort) port; 707 if ((devicePort.type() & sinkDevice) != 0) { 708 sinks.add(devicePort); 709 } 710 } 711 } 712 713 private AudioDevicePort findAudioDevicePort(int type, String address) { 714 if (type == AudioManager.DEVICE_NONE) { 715 return null; 716 } 717 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 718 if (mAudioManager.listAudioDevicePorts(devicePorts) != AudioManager.SUCCESS) { 719 return null; 720 } 721 for (AudioPort port : devicePorts) { 722 AudioDevicePort devicePort = (AudioDevicePort) port; 723 if (devicePort.type() == type && devicePort.address().equals(address)) { 724 return devicePort; 725 } 726 } 727 return null; 728 } 729 730 public void release() { 731 synchronized (mImplLock) { 732 mAudioManager.unregisterAudioPortUpdateListener(mAudioListener); 733 if (mAudioPatch != null) { 734 mAudioManager.releaseAudioPatch(mAudioPatch); 735 mAudioPatch = null; 736 } 737 mReleased = true; 738 } 739 } 740 741 // A TvInputHardwareImpl object holds only one active session. Therefore, if a client 742 // attempts to call setSurface with different TvStreamConfig objects, the last call will 743 // prevail. 744 @Override 745 public boolean setSurface(Surface surface, TvStreamConfig config) 746 throws RemoteException { 747 synchronized (mImplLock) { 748 if (mReleased) { 749 throw new IllegalStateException("Device already released."); 750 } 751 752 int result = TvInputHal.SUCCESS; 753 if (surface == null) { 754 // The value of config is ignored when surface == null. 755 if (mActiveConfig != null) { 756 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 757 mActiveConfig = null; 758 } else { 759 // We already have no active stream. 760 return true; 761 } 762 } else { 763 // It's impossible to set a non-null surface with a null config. 764 if (config == null) { 765 return false; 766 } 767 // Remove stream only if we have an existing active configuration. 768 if (mActiveConfig != null && !config.equals(mActiveConfig)) { 769 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 770 if (result != TvInputHal.SUCCESS) { 771 mActiveConfig = null; 772 } 773 } 774 // Proceed only if all previous operations succeeded. 775 if (result == TvInputHal.SUCCESS) { 776 result = mHal.addOrUpdateStream(mInfo.getDeviceId(), surface, config); 777 if (result == TvInputHal.SUCCESS) { 778 mActiveConfig = config; 779 } 780 } 781 } 782 updateAudioConfigLocked(); 783 return result == TvInputHal.SUCCESS; 784 } 785 } 786 787 /** 788 * Update audio configuration (source, sink, patch) all up to current state. 789 */ 790 private void updateAudioConfigLocked() { 791 boolean sinkUpdated = updateAudioSinkLocked(); 792 boolean sourceUpdated = updateAudioSourceLocked(); 793 // We can't do updated = updateAudioSinkLocked() || updateAudioSourceLocked() here 794 // because Java won't evaluate the latter if the former is true. 795 796 if (mAudioSource == null || mAudioSink.isEmpty() || mActiveConfig == null) { 797 if (mAudioPatch != null) { 798 mAudioManager.releaseAudioPatch(mAudioPatch); 799 mAudioPatch = null; 800 } 801 return; 802 } 803 804 updateVolume(); 805 float volume = mSourceVolume * getMediaStreamVolume(); 806 AudioGainConfig sourceGainConfig = null; 807 if (mAudioSource.gains().length > 0 && volume != mCommittedVolume) { 808 AudioGain sourceGain = null; 809 for (AudioGain gain : mAudioSource.gains()) { 810 if ((gain.mode() & AudioGain.MODE_JOINT) != 0) { 811 sourceGain = gain; 812 break; 813 } 814 } 815 // NOTE: we only change the source gain in MODE_JOINT here. 816 if (sourceGain != null) { 817 int steps = (sourceGain.maxValue() - sourceGain.minValue()) 818 / sourceGain.stepValue(); 819 int gainValue = sourceGain.minValue(); 820 if (volume < 1.0f) { 821 gainValue += sourceGain.stepValue() * (int) (volume * steps + 0.5); 822 } else { 823 gainValue = sourceGain.maxValue(); 824 } 825 // size of gain values is 1 in MODE_JOINT 826 int[] gainValues = new int[] { gainValue }; 827 sourceGainConfig = sourceGain.buildConfig(AudioGain.MODE_JOINT, 828 sourceGain.channelMask(), gainValues, 0); 829 } else { 830 Slog.w(TAG, "No audio source gain with MODE_JOINT support exists."); 831 } 832 } 833 834 AudioPortConfig sourceConfig = mAudioSource.activeConfig(); 835 List<AudioPortConfig> sinkConfigs = new ArrayList<>(); 836 AudioPatch[] audioPatchArray = new AudioPatch[] { mAudioPatch }; 837 boolean shouldRecreateAudioPatch = sourceUpdated || sinkUpdated; 838 839 for (AudioDevicePort audioSink : mAudioSink) { 840 AudioPortConfig sinkConfig = audioSink.activeConfig(); 841 int sinkSamplingRate = mDesiredSamplingRate; 842 int sinkChannelMask = mDesiredChannelMask; 843 int sinkFormat = mDesiredFormat; 844 // If sinkConfig != null and values are set to default, 845 // fill in the sinkConfig values. 846 if (sinkConfig != null) { 847 if (sinkSamplingRate == 0) { 848 sinkSamplingRate = sinkConfig.samplingRate(); 849 } 850 if (sinkChannelMask == AudioFormat.CHANNEL_OUT_DEFAULT) { 851 sinkChannelMask = sinkConfig.channelMask(); 852 } 853 if (sinkFormat == AudioFormat.ENCODING_DEFAULT) { 854 sinkChannelMask = sinkConfig.format(); 855 } 856 } 857 858 if (sinkConfig == null 859 || sinkConfig.samplingRate() != sinkSamplingRate 860 || sinkConfig.channelMask() != sinkChannelMask 861 || sinkConfig.format() != sinkFormat) { 862 // Check for compatibility and reset to default if necessary. 863 if (!intArrayContains(audioSink.samplingRates(), sinkSamplingRate) 864 && audioSink.samplingRates().length > 0) { 865 sinkSamplingRate = audioSink.samplingRates()[0]; 866 } 867 if (!intArrayContains(audioSink.channelMasks(), sinkChannelMask)) { 868 sinkChannelMask = AudioFormat.CHANNEL_OUT_DEFAULT; 869 } 870 if (!intArrayContains(audioSink.formats(), sinkFormat)) { 871 sinkFormat = AudioFormat.ENCODING_DEFAULT; 872 } 873 sinkConfig = audioSink.buildConfig(sinkSamplingRate, sinkChannelMask, 874 sinkFormat, null); 875 shouldRecreateAudioPatch = true; 876 } 877 sinkConfigs.add(sinkConfig); 878 } 879 // sinkConfigs.size() == mAudioSink.size(), and mAudioSink is guaranteed to be 880 // non-empty at the beginning of this method. 881 AudioPortConfig sinkConfig = sinkConfigs.get(0); 882 if (sourceConfig == null || sourceGainConfig != null) { 883 int sourceSamplingRate = 0; 884 if (intArrayContains(mAudioSource.samplingRates(), sinkConfig.samplingRate())) { 885 sourceSamplingRate = sinkConfig.samplingRate(); 886 } else if (mAudioSource.samplingRates().length > 0) { 887 // Use any sampling rate and hope audio patch can handle resampling... 888 sourceSamplingRate = mAudioSource.samplingRates()[0]; 889 } 890 int sourceChannelMask = AudioFormat.CHANNEL_IN_DEFAULT; 891 for (int inChannelMask : mAudioSource.channelMasks()) { 892 if (AudioFormat.channelCountFromOutChannelMask(sinkConfig.channelMask()) 893 == AudioFormat.channelCountFromInChannelMask(inChannelMask)) { 894 sourceChannelMask = inChannelMask; 895 break; 896 } 897 } 898 int sourceFormat = AudioFormat.ENCODING_DEFAULT; 899 if (intArrayContains(mAudioSource.formats(), sinkConfig.format())) { 900 sourceFormat = sinkConfig.format(); 901 } 902 sourceConfig = mAudioSource.buildConfig(sourceSamplingRate, sourceChannelMask, 903 sourceFormat, sourceGainConfig); 904 shouldRecreateAudioPatch = true; 905 } 906 if (shouldRecreateAudioPatch) { 907 mCommittedVolume = volume; 908 mAudioManager.createAudioPatch( 909 audioPatchArray, 910 new AudioPortConfig[] { sourceConfig }, 911 sinkConfigs.toArray(new AudioPortConfig[0])); 912 mAudioPatch = audioPatchArray[0]; 913 if (sourceGainConfig != null) { 914 mAudioManager.setAudioPortGain(mAudioSource, sourceGainConfig); 915 } 916 } 917 } 918 919 @Override 920 public void setStreamVolume(float volume) throws RemoteException { 921 synchronized (mImplLock) { 922 if (mReleased) { 923 throw new IllegalStateException("Device already released."); 924 } 925 mSourceVolume = volume; 926 updateAudioConfigLocked(); 927 } 928 } 929 930 @Override 931 public boolean dispatchKeyEventToHdmi(KeyEvent event) throws RemoteException { 932 synchronized (mImplLock) { 933 if (mReleased) { 934 throw new IllegalStateException("Device already released."); 935 } 936 } 937 if (mInfo.getType() != TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 938 return false; 939 } 940 // TODO(hdmi): mHdmiClient.sendKeyEvent(event); 941 return false; 942 } 943 944 private boolean startCapture(Surface surface, TvStreamConfig config) { 945 synchronized (mImplLock) { 946 if (mReleased) { 947 return false; 948 } 949 if (surface == null || config == null) { 950 return false; 951 } 952 if (config.getType() != TvStreamConfig.STREAM_TYPE_BUFFER_PRODUCER) { 953 return false; 954 } 955 956 int result = mHal.addOrUpdateStream(mInfo.getDeviceId(), surface, config); 957 return result == TvInputHal.SUCCESS; 958 } 959 } 960 961 private boolean stopCapture(TvStreamConfig config) { 962 synchronized (mImplLock) { 963 if (mReleased) { 964 return false; 965 } 966 if (config == null) { 967 return false; 968 } 969 970 int result = mHal.removeStream(mInfo.getDeviceId(), config); 971 return result == TvInputHal.SUCCESS; 972 } 973 } 974 975 private boolean updateAudioSourceLocked() { 976 if (mInfo.getAudioType() == AudioManager.DEVICE_NONE) { 977 return false; 978 } 979 AudioDevicePort previousSource = mAudioSource; 980 mAudioSource = findAudioDevicePort(mInfo.getAudioType(), mInfo.getAudioAddress()); 981 return mAudioSource == null ? (previousSource != null) 982 : !mAudioSource.equals(previousSource); 983 } 984 985 private boolean updateAudioSinkLocked() { 986 if (mInfo.getAudioType() == AudioManager.DEVICE_NONE) { 987 return false; 988 } 989 List<AudioDevicePort> previousSink = mAudioSink; 990 mAudioSink = new ArrayList<>(); 991 if (mOverrideAudioType == AudioManager.DEVICE_NONE) { 992 findAudioSinkFromAudioPolicy(mAudioSink); 993 } else { 994 AudioDevicePort audioSink = 995 findAudioDevicePort(mOverrideAudioType, mOverrideAudioAddress); 996 if (audioSink != null) { 997 mAudioSink.add(audioSink); 998 } 999 } 1000 1001 // Returns true if mAudioSink and previousSink differs. 1002 if (mAudioSink.size() != previousSink.size()) { 1003 return true; 1004 } 1005 previousSink.removeAll(mAudioSink); 1006 return !previousSink.isEmpty(); 1007 } 1008 1009 private void handleAudioSinkUpdated() { 1010 synchronized (mImplLock) { 1011 updateAudioConfigLocked(); 1012 } 1013 } 1014 1015 @Override 1016 public void overrideAudioSink(int audioType, String audioAddress, int samplingRate, 1017 int channelMask, int format) { 1018 synchronized (mImplLock) { 1019 mOverrideAudioType = audioType; 1020 mOverrideAudioAddress = audioAddress; 1021 1022 mDesiredSamplingRate = samplingRate; 1023 mDesiredChannelMask = channelMask; 1024 mDesiredFormat = format; 1025 1026 updateAudioConfigLocked(); 1027 } 1028 } 1029 1030 public void onMediaStreamVolumeChanged() { 1031 synchronized (mImplLock) { 1032 updateAudioConfigLocked(); 1033 } 1034 } 1035 } 1036 1037 interface Listener { 1038 public void onStateChanged(String inputId, int state); 1039 public void onHardwareDeviceAdded(TvInputHardwareInfo info); 1040 public void onHardwareDeviceRemoved(TvInputHardwareInfo info); 1041 public void onHdmiDeviceAdded(HdmiDeviceInfo device); 1042 public void onHdmiDeviceRemoved(HdmiDeviceInfo device); 1043 public void onHdmiDeviceUpdated(String inputId, HdmiDeviceInfo device); 1044 } 1045 1046 private class ListenerHandler extends Handler { 1047 private static final int STATE_CHANGED = 1; 1048 private static final int HARDWARE_DEVICE_ADDED = 2; 1049 private static final int HARDWARE_DEVICE_REMOVED = 3; 1050 private static final int HDMI_DEVICE_ADDED = 4; 1051 private static final int HDMI_DEVICE_REMOVED = 5; 1052 private static final int HDMI_DEVICE_UPDATED = 6; 1053 1054 @Override 1055 public final void handleMessage(Message msg) { 1056 switch (msg.what) { 1057 case STATE_CHANGED: { 1058 String inputId = (String) msg.obj; 1059 int state = msg.arg1; 1060 mListener.onStateChanged(inputId, state); 1061 break; 1062 } 1063 case HARDWARE_DEVICE_ADDED: { 1064 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 1065 mListener.onHardwareDeviceAdded(info); 1066 break; 1067 } 1068 case HARDWARE_DEVICE_REMOVED: { 1069 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 1070 mListener.onHardwareDeviceRemoved(info); 1071 break; 1072 } 1073 case HDMI_DEVICE_ADDED: { 1074 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 1075 mListener.onHdmiDeviceAdded(info); 1076 break; 1077 } 1078 case HDMI_DEVICE_REMOVED: { 1079 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 1080 mListener.onHdmiDeviceRemoved(info); 1081 break; 1082 } 1083 case HDMI_DEVICE_UPDATED: { 1084 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 1085 String inputId = null; 1086 synchronized (mLock) { 1087 inputId = mHdmiInputIdMap.get(info.getId()); 1088 } 1089 if (inputId != null) { 1090 mListener.onHdmiDeviceUpdated(inputId, info); 1091 } else { 1092 Slog.w(TAG, "Could not resolve input ID matching the device info; " 1093 + "ignoring."); 1094 } 1095 break; 1096 } 1097 default: { 1098 Slog.w(TAG, "Unhandled message: " + msg); 1099 break; 1100 } 1101 } 1102 } 1103 } 1104 1105 // Listener implementations for HdmiControlService 1106 1107 private final class HdmiHotplugEventListener extends IHdmiHotplugEventListener.Stub { 1108 @Override 1109 public void onReceived(HdmiHotplugEvent event) { 1110 synchronized (mLock) { 1111 mHdmiStateMap.put(event.getPort(), event.isConnected()); 1112 TvInputHardwareInfo hardwareInfo = 1113 findHardwareInfoForHdmiPortLocked(event.getPort()); 1114 if (hardwareInfo == null) { 1115 return; 1116 } 1117 String inputId = mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 1118 if (inputId == null) { 1119 return; 1120 } 1121 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 1122 convertConnectedToState(event.isConnected()), 0, inputId).sendToTarget(); 1123 } 1124 } 1125 } 1126 1127 private final class HdmiDeviceEventListener extends IHdmiDeviceEventListener.Stub { 1128 @Override 1129 public void onStatusChanged(HdmiDeviceInfo deviceInfo, int status) { 1130 if (!deviceInfo.isSourceType()) return; 1131 synchronized (mLock) { 1132 int messageType = 0; 1133 Object obj = null; 1134 switch (status) { 1135 case HdmiControlManager.DEVICE_EVENT_ADD_DEVICE: { 1136 if (findHdmiDeviceInfo(deviceInfo.getId()) == null) { 1137 mHdmiDeviceList.add(deviceInfo); 1138 } else { 1139 Slog.w(TAG, "The list already contains " + deviceInfo + "; ignoring."); 1140 return; 1141 } 1142 messageType = ListenerHandler.HDMI_DEVICE_ADDED; 1143 obj = deviceInfo; 1144 break; 1145 } 1146 case HdmiControlManager.DEVICE_EVENT_REMOVE_DEVICE: { 1147 HdmiDeviceInfo originalDeviceInfo = findHdmiDeviceInfo(deviceInfo.getId()); 1148 if (!mHdmiDeviceList.remove(originalDeviceInfo)) { 1149 Slog.w(TAG, "The list doesn't contain " + deviceInfo + "; ignoring."); 1150 return; 1151 } 1152 messageType = ListenerHandler.HDMI_DEVICE_REMOVED; 1153 obj = deviceInfo; 1154 break; 1155 } 1156 case HdmiControlManager.DEVICE_EVENT_UPDATE_DEVICE: { 1157 HdmiDeviceInfo originalDeviceInfo = findHdmiDeviceInfo(deviceInfo.getId()); 1158 if (!mHdmiDeviceList.remove(originalDeviceInfo)) { 1159 Slog.w(TAG, "The list doesn't contain " + deviceInfo + "; ignoring."); 1160 return; 1161 } 1162 mHdmiDeviceList.add(deviceInfo); 1163 messageType = ListenerHandler.HDMI_DEVICE_UPDATED; 1164 obj = deviceInfo; 1165 break; 1166 } 1167 } 1168 1169 Message msg = mHandler.obtainMessage(messageType, 0, 0, obj); 1170 if (findHardwareInfoForHdmiPortLocked(deviceInfo.getPortId()) != null) { 1171 msg.sendToTarget(); 1172 } else { 1173 mPendingHdmiDeviceEvents.add(msg); 1174 } 1175 } 1176 } 1177 1178 private HdmiDeviceInfo findHdmiDeviceInfo(int id) { 1179 for (HdmiDeviceInfo info : mHdmiDeviceList) { 1180 if (info.getId() == id) { 1181 return info; 1182 } 1183 } 1184 return null; 1185 } 1186 } 1187 1188 private final class HdmiSystemAudioModeChangeListener extends 1189 IHdmiSystemAudioModeChangeListener.Stub { 1190 @Override 1191 public void onStatusChanged(boolean enabled) throws RemoteException { 1192 synchronized (mLock) { 1193 for (int i = 0; i < mConnections.size(); ++i) { 1194 TvInputHardwareImpl impl = mConnections.valueAt(i).getHardwareImplLocked(); 1195 if (impl != null) { 1196 impl.handleAudioSinkUpdated(); 1197 } 1198 } 1199 } 1200 } 1201 } 1202} 1203