TvInputHardwareManager.java revision 017bb8523dd7c3dbfd00c055fde241de4dca9da2
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 = null; 671 mAudioPatch = null; 672 } 673 } 674 }; 675 private int mOverrideAudioType = AudioManager.DEVICE_NONE; 676 private String mOverrideAudioAddress = ""; 677 private AudioDevicePort mAudioSource; 678 private AudioDevicePort mAudioSink; 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 mAudioSink = findAudioSinkFromAudioPolicy(); 695 } 696 } 697 698 private AudioDevicePort findAudioSinkFromAudioPolicy() { 699 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 700 if (mAudioManager.listAudioDevicePorts(devicePorts) == AudioManager.SUCCESS) { 701 int sinkDevice = mAudioManager.getDevicesForStream(AudioManager.STREAM_MUSIC); 702 for (AudioPort port : devicePorts) { 703 AudioDevicePort devicePort = (AudioDevicePort) port; 704 if ((devicePort.type() & sinkDevice) != 0) { 705 return devicePort; 706 } 707 } 708 } 709 return null; 710 } 711 712 private AudioDevicePort findAudioDevicePort(int type, String address) { 713 if (type == AudioManager.DEVICE_NONE) { 714 return null; 715 } 716 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 717 if (mAudioManager.listAudioDevicePorts(devicePorts) != AudioManager.SUCCESS) { 718 return null; 719 } 720 for (AudioPort port : devicePorts) { 721 AudioDevicePort devicePort = (AudioDevicePort) port; 722 if (devicePort.type() == type && devicePort.address().equals(address)) { 723 return devicePort; 724 } 725 } 726 return null; 727 } 728 729 public void release() { 730 synchronized (mImplLock) { 731 mAudioManager.unregisterAudioPortUpdateListener(mAudioListener); 732 if (mAudioPatch != null) { 733 mAudioManager.releaseAudioPatch(mAudioPatch); 734 mAudioPatch = null; 735 } 736 mReleased = true; 737 } 738 } 739 740 // A TvInputHardwareImpl object holds only one active session. Therefore, if a client 741 // attempts to call setSurface with different TvStreamConfig objects, the last call will 742 // prevail. 743 @Override 744 public boolean setSurface(Surface surface, TvStreamConfig config) 745 throws RemoteException { 746 synchronized (mImplLock) { 747 if (mReleased) { 748 throw new IllegalStateException("Device already released."); 749 } 750 751 int result = TvInputHal.SUCCESS; 752 if (surface == null) { 753 // The value of config is ignored when surface == null. 754 if (mActiveConfig != null) { 755 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 756 mActiveConfig = null; 757 } else { 758 // We already have no active stream. 759 return true; 760 } 761 } else { 762 // It's impossible to set a non-null surface with a null config. 763 if (config == null) { 764 return false; 765 } 766 // Remove stream only if we have an existing active configuration. 767 if (mActiveConfig != null && !config.equals(mActiveConfig)) { 768 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 769 if (result != TvInputHal.SUCCESS) { 770 mActiveConfig = null; 771 } 772 } 773 // Proceed only if all previous operations succeeded. 774 if (result == TvInputHal.SUCCESS) { 775 result = mHal.addOrUpdateStream(mInfo.getDeviceId(), surface, config); 776 if (result == TvInputHal.SUCCESS) { 777 mActiveConfig = config; 778 } 779 } 780 } 781 updateAudioConfigLocked(); 782 return result == TvInputHal.SUCCESS; 783 } 784 } 785 786 /** 787 * Update audio configuration (source, sink, patch) all up to current state. 788 */ 789 private void updateAudioConfigLocked() { 790 boolean sinkUpdated = updateAudioSinkLocked(); 791 boolean sourceUpdated = updateAudioSourceLocked(); 792 // We can't do updated = updateAudioSinkLocked() || updateAudioSourceLocked() here 793 // because Java won't evaluate the latter if the former is true. 794 795 if (mAudioSource == null || mAudioSink == null || mActiveConfig == null) { 796 if (mAudioPatch != null) { 797 mAudioManager.releaseAudioPatch(mAudioPatch); 798 mAudioPatch = null; 799 } 800 return; 801 } 802 803 updateVolume(); 804 float volume = mSourceVolume * getMediaStreamVolume(); 805 AudioGainConfig sourceGainConfig = null; 806 if (mAudioSource.gains().length > 0 && volume != mCommittedVolume) { 807 AudioGain sourceGain = null; 808 for (AudioGain gain : mAudioSource.gains()) { 809 if ((gain.mode() & AudioGain.MODE_JOINT) != 0) { 810 sourceGain = gain; 811 break; 812 } 813 } 814 // NOTE: we only change the source gain in MODE_JOINT here. 815 if (sourceGain != null) { 816 int steps = (sourceGain.maxValue() - sourceGain.minValue()) 817 / sourceGain.stepValue(); 818 int gainValue = sourceGain.minValue(); 819 if (volume < 1.0f) { 820 gainValue += sourceGain.stepValue() * (int) (volume * steps + 0.5); 821 } else { 822 gainValue = sourceGain.maxValue(); 823 } 824 // size of gain values is 1 in MODE_JOINT 825 int[] gainValues = new int[] { gainValue }; 826 sourceGainConfig = sourceGain.buildConfig(AudioGain.MODE_JOINT, 827 sourceGain.channelMask(), gainValues, 0); 828 } else { 829 Slog.w(TAG, "No audio source gain with MODE_JOINT support exists."); 830 } 831 } 832 833 AudioPortConfig sourceConfig = mAudioSource.activeConfig(); 834 AudioPortConfig sinkConfig = mAudioSink.activeConfig(); 835 AudioPatch[] audioPatchArray = new AudioPatch[] { mAudioPatch }; 836 boolean shouldRecreateAudioPatch = sourceUpdated || sinkUpdated; 837 838 int sinkSamplingRate = mDesiredSamplingRate; 839 int sinkChannelMask = mDesiredChannelMask; 840 int sinkFormat = mDesiredFormat; 841 // If sinkConfig != null and values are set to default, fill in the sinkConfig values. 842 if (sinkConfig != null) { 843 if (sinkSamplingRate == 0) { 844 sinkSamplingRate = sinkConfig.samplingRate(); 845 } 846 if (sinkChannelMask == AudioFormat.CHANNEL_OUT_DEFAULT) { 847 sinkChannelMask = sinkConfig.channelMask(); 848 } 849 if (sinkFormat == AudioFormat.ENCODING_DEFAULT) { 850 sinkChannelMask = sinkConfig.format(); 851 } 852 } 853 854 if (sinkConfig == null 855 || sinkConfig.samplingRate() != sinkSamplingRate 856 || sinkConfig.channelMask() != sinkChannelMask 857 || sinkConfig.format() != sinkFormat) { 858 // Check for compatibility and reset to default if necessary. 859 if (!intArrayContains(mAudioSink.samplingRates(), sinkSamplingRate) 860 && mAudioSink.samplingRates().length > 0) { 861 sinkSamplingRate = mAudioSink.samplingRates()[0]; 862 } 863 if (!intArrayContains(mAudioSink.channelMasks(), sinkChannelMask)) { 864 sinkChannelMask = AudioFormat.CHANNEL_OUT_DEFAULT; 865 } 866 if (!intArrayContains(mAudioSink.formats(), sinkFormat)) { 867 sinkFormat = AudioFormat.ENCODING_DEFAULT; 868 } 869 sinkConfig = mAudioSink.buildConfig(sinkSamplingRate, sinkChannelMask, 870 sinkFormat, null); 871 shouldRecreateAudioPatch = true; 872 } 873 if (sourceConfig == null || sourceGainConfig != null) { 874 int sourceSamplingRate = 0; 875 if (intArrayContains(mAudioSource.samplingRates(), sinkConfig.samplingRate())) { 876 sourceSamplingRate = sinkConfig.samplingRate(); 877 } else if (mAudioSource.samplingRates().length > 0) { 878 // Use any sampling rate and hope audio patch can handle resampling... 879 sourceSamplingRate = mAudioSource.samplingRates()[0]; 880 } 881 int sourceChannelMask = AudioFormat.CHANNEL_IN_DEFAULT; 882 for (int inChannelMask : mAudioSource.channelMasks()) { 883 if (AudioFormat.channelCountFromOutChannelMask(sinkConfig.channelMask()) 884 == AudioFormat.channelCountFromInChannelMask(inChannelMask)) { 885 sourceChannelMask = inChannelMask; 886 break; 887 } 888 } 889 int sourceFormat = AudioFormat.ENCODING_DEFAULT; 890 if (intArrayContains(mAudioSource.formats(), sinkConfig.format())) { 891 sourceFormat = sinkConfig.format(); 892 } 893 sourceConfig = mAudioSource.buildConfig(sourceSamplingRate, sourceChannelMask, 894 sourceFormat, sourceGainConfig); 895 shouldRecreateAudioPatch = true; 896 } 897 if (shouldRecreateAudioPatch) { 898 mCommittedVolume = volume; 899 mAudioManager.createAudioPatch( 900 audioPatchArray, 901 new AudioPortConfig[] { sourceConfig }, 902 new AudioPortConfig[] { sinkConfig }); 903 mAudioPatch = audioPatchArray[0]; 904 if (sourceGainConfig != null) { 905 mAudioManager.setAudioPortGain(mAudioSource, sourceGainConfig); 906 } 907 } 908 } 909 910 @Override 911 public void setStreamVolume(float volume) throws RemoteException { 912 synchronized (mImplLock) { 913 if (mReleased) { 914 throw new IllegalStateException("Device already released."); 915 } 916 mSourceVolume = volume; 917 updateAudioConfigLocked(); 918 } 919 } 920 921 @Override 922 public boolean dispatchKeyEventToHdmi(KeyEvent event) throws RemoteException { 923 synchronized (mImplLock) { 924 if (mReleased) { 925 throw new IllegalStateException("Device already released."); 926 } 927 } 928 if (mInfo.getType() != TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 929 return false; 930 } 931 // TODO(hdmi): mHdmiClient.sendKeyEvent(event); 932 return false; 933 } 934 935 private boolean startCapture(Surface surface, TvStreamConfig config) { 936 synchronized (mImplLock) { 937 if (mReleased) { 938 return false; 939 } 940 if (surface == null || config == null) { 941 return false; 942 } 943 if (config.getType() != TvStreamConfig.STREAM_TYPE_BUFFER_PRODUCER) { 944 return false; 945 } 946 947 int result = mHal.addOrUpdateStream(mInfo.getDeviceId(), surface, config); 948 return result == TvInputHal.SUCCESS; 949 } 950 } 951 952 private boolean stopCapture(TvStreamConfig config) { 953 synchronized (mImplLock) { 954 if (mReleased) { 955 return false; 956 } 957 if (config == null) { 958 return false; 959 } 960 961 int result = mHal.removeStream(mInfo.getDeviceId(), config); 962 return result == TvInputHal.SUCCESS; 963 } 964 } 965 966 private boolean updateAudioSourceLocked() { 967 if (mInfo.getAudioType() == AudioManager.DEVICE_NONE) { 968 return false; 969 } 970 AudioDevicePort previousSource = mAudioSource; 971 mAudioSource = findAudioDevicePort(mInfo.getAudioType(), mInfo.getAudioAddress()); 972 return mAudioSource == null ? (previousSource != null) 973 : !mAudioSource.equals(previousSource); 974 } 975 976 private boolean updateAudioSinkLocked() { 977 if (mInfo.getAudioType() == AudioManager.DEVICE_NONE) { 978 return false; 979 } 980 AudioDevicePort previousSink = mAudioSink; 981 if (mOverrideAudioType == AudioManager.DEVICE_NONE) { 982 mAudioSink = findAudioSinkFromAudioPolicy(); 983 } else { 984 AudioDevicePort audioSink = 985 findAudioDevicePort(mOverrideAudioType, mOverrideAudioAddress); 986 if (audioSink != null) { 987 mAudioSink = audioSink; 988 } 989 } 990 return mAudioSink == null ? (previousSink != null) : !mAudioSink.equals(previousSink); 991 } 992 993 private void handleAudioSinkUpdated() { 994 synchronized (mImplLock) { 995 updateAudioConfigLocked(); 996 } 997 } 998 999 @Override 1000 public void overrideAudioSink(int audioType, String audioAddress, int samplingRate, 1001 int channelMask, int format) { 1002 synchronized (mImplLock) { 1003 mOverrideAudioType = audioType; 1004 mOverrideAudioAddress = audioAddress; 1005 1006 mDesiredSamplingRate = samplingRate; 1007 mDesiredChannelMask = channelMask; 1008 mDesiredFormat = format; 1009 1010 updateAudioConfigLocked(); 1011 } 1012 } 1013 1014 public void onMediaStreamVolumeChanged() { 1015 synchronized (mImplLock) { 1016 updateAudioConfigLocked(); 1017 } 1018 } 1019 } 1020 1021 interface Listener { 1022 public void onStateChanged(String inputId, int state); 1023 public void onHardwareDeviceAdded(TvInputHardwareInfo info); 1024 public void onHardwareDeviceRemoved(TvInputHardwareInfo info); 1025 public void onHdmiDeviceAdded(HdmiDeviceInfo device); 1026 public void onHdmiDeviceRemoved(HdmiDeviceInfo device); 1027 public void onHdmiDeviceUpdated(String inputId, HdmiDeviceInfo device); 1028 } 1029 1030 private class ListenerHandler extends Handler { 1031 private static final int STATE_CHANGED = 1; 1032 private static final int HARDWARE_DEVICE_ADDED = 2; 1033 private static final int HARDWARE_DEVICE_REMOVED = 3; 1034 private static final int HDMI_DEVICE_ADDED = 4; 1035 private static final int HDMI_DEVICE_REMOVED = 5; 1036 private static final int HDMI_DEVICE_UPDATED = 6; 1037 1038 @Override 1039 public final void handleMessage(Message msg) { 1040 switch (msg.what) { 1041 case STATE_CHANGED: { 1042 String inputId = (String) msg.obj; 1043 int state = msg.arg1; 1044 mListener.onStateChanged(inputId, state); 1045 break; 1046 } 1047 case HARDWARE_DEVICE_ADDED: { 1048 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 1049 mListener.onHardwareDeviceAdded(info); 1050 break; 1051 } 1052 case HARDWARE_DEVICE_REMOVED: { 1053 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 1054 mListener.onHardwareDeviceRemoved(info); 1055 break; 1056 } 1057 case HDMI_DEVICE_ADDED: { 1058 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 1059 mListener.onHdmiDeviceAdded(info); 1060 break; 1061 } 1062 case HDMI_DEVICE_REMOVED: { 1063 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 1064 mListener.onHdmiDeviceRemoved(info); 1065 break; 1066 } 1067 case HDMI_DEVICE_UPDATED: { 1068 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 1069 String inputId = null; 1070 synchronized (mLock) { 1071 inputId = mHdmiInputIdMap.get(info.getId()); 1072 } 1073 if (inputId != null) { 1074 mListener.onHdmiDeviceUpdated(inputId, info); 1075 } else { 1076 Slog.w(TAG, "Could not resolve input ID matching the device info; " 1077 + "ignoring."); 1078 } 1079 break; 1080 } 1081 default: { 1082 Slog.w(TAG, "Unhandled message: " + msg); 1083 break; 1084 } 1085 } 1086 } 1087 } 1088 1089 // Listener implementations for HdmiControlService 1090 1091 private final class HdmiHotplugEventListener extends IHdmiHotplugEventListener.Stub { 1092 @Override 1093 public void onReceived(HdmiHotplugEvent event) { 1094 synchronized (mLock) { 1095 mHdmiStateMap.put(event.getPort(), event.isConnected()); 1096 TvInputHardwareInfo hardwareInfo = 1097 findHardwareInfoForHdmiPortLocked(event.getPort()); 1098 if (hardwareInfo == null) { 1099 return; 1100 } 1101 String inputId = mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 1102 if (inputId == null) { 1103 return; 1104 } 1105 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 1106 convertConnectedToState(event.isConnected()), 0, inputId).sendToTarget(); 1107 } 1108 } 1109 } 1110 1111 private final class HdmiDeviceEventListener extends IHdmiDeviceEventListener.Stub { 1112 @Override 1113 public void onStatusChanged(HdmiDeviceInfo deviceInfo, int status) { 1114 if (!deviceInfo.isSourceType()) return; 1115 synchronized (mLock) { 1116 int messageType = 0; 1117 Object obj = null; 1118 switch (status) { 1119 case HdmiControlManager.DEVICE_EVENT_ADD_DEVICE: { 1120 if (findHdmiDeviceInfo(deviceInfo.getId()) == null) { 1121 mHdmiDeviceList.add(deviceInfo); 1122 } else { 1123 Slog.w(TAG, "The list already contains " + deviceInfo + "; ignoring."); 1124 return; 1125 } 1126 messageType = ListenerHandler.HDMI_DEVICE_ADDED; 1127 obj = deviceInfo; 1128 break; 1129 } 1130 case HdmiControlManager.DEVICE_EVENT_REMOVE_DEVICE: { 1131 HdmiDeviceInfo originalDeviceInfo = findHdmiDeviceInfo(deviceInfo.getId()); 1132 if (!mHdmiDeviceList.remove(originalDeviceInfo)) { 1133 Slog.w(TAG, "The list doesn't contain " + deviceInfo + "; ignoring."); 1134 return; 1135 } 1136 messageType = ListenerHandler.HDMI_DEVICE_REMOVED; 1137 obj = deviceInfo; 1138 break; 1139 } 1140 case HdmiControlManager.DEVICE_EVENT_UPDATE_DEVICE: { 1141 HdmiDeviceInfo originalDeviceInfo = findHdmiDeviceInfo(deviceInfo.getId()); 1142 if (!mHdmiDeviceList.remove(originalDeviceInfo)) { 1143 Slog.w(TAG, "The list doesn't contain " + deviceInfo + "; ignoring."); 1144 return; 1145 } 1146 mHdmiDeviceList.add(deviceInfo); 1147 messageType = ListenerHandler.HDMI_DEVICE_UPDATED; 1148 obj = deviceInfo; 1149 break; 1150 } 1151 } 1152 1153 Message msg = mHandler.obtainMessage(messageType, 0, 0, obj); 1154 if (findHardwareInfoForHdmiPortLocked(deviceInfo.getPortId()) != null) { 1155 msg.sendToTarget(); 1156 } else { 1157 mPendingHdmiDeviceEvents.add(msg); 1158 } 1159 } 1160 } 1161 1162 private HdmiDeviceInfo findHdmiDeviceInfo(int id) { 1163 for (HdmiDeviceInfo info : mHdmiDeviceList) { 1164 if (info.getId() == id) { 1165 return info; 1166 } 1167 } 1168 return null; 1169 } 1170 } 1171 1172 private final class HdmiSystemAudioModeChangeListener extends 1173 IHdmiSystemAudioModeChangeListener.Stub { 1174 @Override 1175 public void onStatusChanged(boolean enabled) throws RemoteException { 1176 synchronized (mLock) { 1177 for (int i = 0; i < mConnections.size(); ++i) { 1178 TvInputHardwareImpl impl = mConnections.valueAt(i).getHardwareImplLocked(); 1179 if (impl != null) { 1180 impl.handleAudioSinkUpdated(); 1181 } 1182 } 1183 } 1184 } 1185 } 1186} 1187