TvInputHardwareManager.java revision 61daf6b38e7a7ada2a6ca5a60539a54b9c6810bd
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.Context; 23import android.content.Intent; 24import android.hardware.hdmi.HdmiControlManager; 25import android.hardware.hdmi.HdmiDeviceInfo; 26import android.hardware.hdmi.HdmiHotplugEvent; 27import android.hardware.hdmi.IHdmiControlService; 28import android.hardware.hdmi.IHdmiDeviceEventListener; 29import android.hardware.hdmi.IHdmiHotplugEventListener; 30import android.hardware.hdmi.IHdmiInputChangeListener; 31import android.media.AudioDevicePort; 32import android.media.AudioFormat; 33import android.media.AudioGain; 34import android.media.AudioGainConfig; 35import android.media.AudioManager; 36import android.media.AudioPatch; 37import android.media.AudioPort; 38import android.media.AudioPortConfig; 39import android.media.tv.ITvInputHardware; 40import android.media.tv.ITvInputHardwareCallback; 41import android.media.tv.TvContract; 42import android.media.tv.TvInputHardwareInfo; 43import android.media.tv.TvInputInfo; 44import android.media.tv.TvStreamConfig; 45import android.os.Handler; 46import android.os.IBinder; 47import android.os.Message; 48import android.os.RemoteException; 49import android.os.ServiceManager; 50import android.util.ArrayMap; 51import android.util.Slog; 52import android.util.SparseArray; 53import android.util.SparseBooleanArray; 54import android.view.KeyEvent; 55import android.view.Surface; 56 57import com.android.server.SystemService; 58 59import java.util.ArrayList; 60import java.util.Arrays; 61import java.util.Collections; 62import java.util.Iterator; 63import java.util.LinkedList; 64import java.util.List; 65import java.util.Map; 66 67/** 68 * A helper class for TvInputManagerService to handle TV input hardware. 69 * 70 * This class does a basic connection management and forwarding calls to TvInputHal which eventually 71 * calls to tv_input HAL module. 72 * 73 * @hide 74 */ 75class TvInputHardwareManager implements TvInputHal.Callback { 76 private static final String TAG = TvInputHardwareManager.class.getSimpleName(); 77 78 private final Context mContext; 79 private final Listener mListener; 80 private final TvInputHal mHal = new TvInputHal(this); 81 private final SparseArray<Connection> mConnections = new SparseArray<>(); 82 private final List<TvInputHardwareInfo> mHardwareList = new ArrayList<>(); 83 private final List<HdmiDeviceInfo> mHdmiDeviceList = new LinkedList<>(); 84 /* A map from a device ID to the matching TV input ID. */ 85 private final SparseArray<String> mHardwareInputIdMap = new SparseArray<>(); 86 /* A map from a HDMI logical address to the matching TV input ID. */ 87 private final SparseArray<String> mHdmiInputIdMap = new SparseArray<>(); 88 private final Map<String, TvInputInfo> mInputMap = new ArrayMap<>(); 89 90 private final AudioManager mAudioManager; 91 private IHdmiControlService mHdmiControlService; 92 private final IHdmiHotplugEventListener mHdmiHotplugEventListener = 93 new HdmiHotplugEventListener(); 94 private final IHdmiDeviceEventListener mHdmiDeviceEventListener = new HdmiDeviceEventListener(); 95 private final IHdmiInputChangeListener mHdmiInputChangeListener = new HdmiInputChangeListener(); 96 // TODO: Should handle STANDBY case. 97 private final SparseBooleanArray mHdmiStateMap = new SparseBooleanArray(); 98 private final List<Message> mPendingHdmiDeviceEvents = new LinkedList<>(); 99 100 // Calls to mListener should happen here. 101 private final Handler mHandler = new ListenerHandler(); 102 103 private final Object mLock = new Object(); 104 105 public TvInputHardwareManager(Context context, Listener listener) { 106 mContext = context; 107 mListener = listener; 108 mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 109 mHal.init(); 110 } 111 112 public void onBootPhase(int phase) { 113 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 114 mHdmiControlService = IHdmiControlService.Stub.asInterface(ServiceManager.getService( 115 Context.HDMI_CONTROL_SERVICE)); 116 if (mHdmiControlService != null) { 117 try { 118 mHdmiControlService.addHotplugEventListener(mHdmiHotplugEventListener); 119 mHdmiControlService.addDeviceEventListener(mHdmiDeviceEventListener); 120 mHdmiDeviceList.addAll(mHdmiControlService.getInputDevices()); 121 mHdmiControlService.setInputChangeListener(mHdmiInputChangeListener); 122 } catch (RemoteException e) { 123 Slog.w(TAG, "Error registering listeners to HdmiControlService:", e); 124 } 125 } 126 } 127 } 128 129 @Override 130 public void onDeviceAvailable(TvInputHardwareInfo info, TvStreamConfig[] configs) { 131 synchronized (mLock) { 132 Connection connection = new Connection(info); 133 connection.updateConfigsLocked(configs); 134 mConnections.put(info.getDeviceId(), connection); 135 buildHardwareListLocked(); 136 mHandler.obtainMessage( 137 ListenerHandler.HARDWARE_DEVICE_ADDED, 0, 0, info).sendToTarget(); 138 if (info.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 139 processPendingHdmiDeviceEventsLocked(); 140 } 141 } 142 } 143 144 private void buildHardwareListLocked() { 145 mHardwareList.clear(); 146 for (int i = 0; i < mConnections.size(); ++i) { 147 mHardwareList.add(mConnections.valueAt(i).getHardwareInfoLocked()); 148 } 149 } 150 151 @Override 152 public void onDeviceUnavailable(int deviceId) { 153 synchronized (mLock) { 154 Connection connection = mConnections.get(deviceId); 155 if (connection == null) { 156 Slog.e(TAG, "onDeviceUnavailable: Cannot find a connection with " + deviceId); 157 return; 158 } 159 connection.resetLocked(null, null, null, null, null); 160 mConnections.remove(deviceId); 161 buildHardwareListLocked(); 162 TvInputHardwareInfo info = connection.getHardwareInfoLocked(); 163 if (info.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 164 // Remove HDMI devices linked with this hardware. 165 for (Iterator<HdmiDeviceInfo> it = mHdmiDeviceList.iterator(); it.hasNext();) { 166 HdmiDeviceInfo deviceInfo = it.next(); 167 if (deviceInfo.getPortId() == info.getHdmiPortId()) { 168 mHandler.obtainMessage(ListenerHandler.HDMI_DEVICE_REMOVED, 0, 0, 169 deviceInfo).sendToTarget(); 170 it.remove(); 171 } 172 } 173 } 174 mHandler.obtainMessage( 175 ListenerHandler.HARDWARE_DEVICE_REMOVED, 0, 0, info).sendToTarget(); 176 } 177 } 178 179 @Override 180 public void onStreamConfigurationChanged(int deviceId, TvStreamConfig[] configs) { 181 synchronized (mLock) { 182 Connection connection = mConnections.get(deviceId); 183 if (connection == null) { 184 Slog.e(TAG, "StreamConfigurationChanged: Cannot find a connection with " 185 + deviceId); 186 return; 187 } 188 connection.updateConfigsLocked(configs); 189 try { 190 connection.getCallbackLocked().onStreamConfigChanged(configs); 191 } catch (RemoteException e) { 192 Slog.e(TAG, "error in onStreamConfigurationChanged", e); 193 } 194 } 195 } 196 197 @Override 198 public void onFirstFrameCaptured(int deviceId, int streamId) { 199 synchronized (mLock) { 200 Connection connection = mConnections.get(deviceId); 201 if (connection == null) { 202 Slog.e(TAG, "FirstFrameCaptured: Cannot find a connection with " 203 + deviceId); 204 return; 205 } 206 Runnable runnable = connection.getOnFirstFrameCapturedLocked(); 207 if (runnable != null) { 208 runnable.run(); 209 connection.setOnFirstFrameCapturedLocked(null); 210 } 211 } 212 } 213 214 public List<TvInputHardwareInfo> getHardwareList() { 215 synchronized (mLock) { 216 return Collections.unmodifiableList(mHardwareList); 217 } 218 } 219 220 public List<HdmiDeviceInfo> getHdmiDeviceList() { 221 synchronized (mLock) { 222 return Collections.unmodifiableList(mHdmiDeviceList); 223 } 224 } 225 226 private boolean checkUidChangedLocked( 227 Connection connection, int callingUid, int resolvedUserId) { 228 Integer connectionCallingUid = connection.getCallingUidLocked(); 229 Integer connectionResolvedUserId = connection.getResolvedUserIdLocked(); 230 if (connectionCallingUid == null || connectionResolvedUserId == null) { 231 return true; 232 } 233 if (connectionCallingUid != callingUid || connectionResolvedUserId != resolvedUserId) { 234 return true; 235 } 236 return false; 237 } 238 239 private int convertConnectedToState(boolean connected) { 240 if (connected) { 241 return INPUT_STATE_CONNECTED; 242 } else { 243 return INPUT_STATE_DISCONNECTED; 244 } 245 } 246 247 public void addHardwareTvInput(int deviceId, TvInputInfo info) { 248 synchronized (mLock) { 249 String oldInputId = mHardwareInputIdMap.get(deviceId); 250 if (oldInputId != null) { 251 Slog.w(TAG, "Trying to override previous registration: old = " 252 + mInputMap.get(oldInputId) + ":" + deviceId + ", new = " 253 + info + ":" + deviceId); 254 } 255 mHardwareInputIdMap.put(deviceId, info.getId()); 256 mInputMap.put(info.getId(), info); 257 258 for (int i = 0; i < mHdmiStateMap.size(); ++i) { 259 TvInputHardwareInfo hardwareInfo = 260 findHardwareInfoForHdmiPortLocked(mHdmiStateMap.keyAt(i)); 261 if (hardwareInfo == null) { 262 continue; 263 } 264 String inputId = mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 265 if (inputId != null && inputId.equals(info.getId())) { 266 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 267 convertConnectedToState(mHdmiStateMap.valueAt(i)), 0, 268 inputId).sendToTarget(); 269 } 270 } 271 } 272 } 273 274 private static <T> int indexOfEqualValue(SparseArray<T> map, T value) { 275 for (int i = 0; i < map.size(); ++i) { 276 if (map.valueAt(i).equals(value)) { 277 return i; 278 } 279 } 280 return -1; 281 } 282 283 public void addHdmiTvInput(int logicalAddress, TvInputInfo info) { 284 if (info.getType() != TvInputInfo.TYPE_HDMI) { 285 throw new IllegalArgumentException("info (" + info + ") has non-HDMI type."); 286 } 287 synchronized (mLock) { 288 String parentId = info.getParentId(); 289 int parentIndex = indexOfEqualValue(mHardwareInputIdMap, parentId); 290 if (parentIndex < 0) { 291 throw new IllegalArgumentException("info (" + info + ") has invalid parentId."); 292 } 293 String oldInputId = mHdmiInputIdMap.get(logicalAddress); 294 if (oldInputId != null) { 295 Slog.w(TAG, "Trying to override previous registration: old = " 296 + mInputMap.get(oldInputId) + ":" + logicalAddress + ", new = " 297 + info + ":" + logicalAddress); 298 } 299 mHdmiInputIdMap.put(logicalAddress, info.getId()); 300 mInputMap.put(info.getId(), info); 301 } 302 } 303 304 public void removeTvInput(String inputId) { 305 synchronized (mLock) { 306 mInputMap.remove(inputId); 307 int hardwareIndex = indexOfEqualValue(mHardwareInputIdMap, inputId); 308 if (hardwareIndex >= 0) { 309 mHardwareInputIdMap.removeAt(hardwareIndex); 310 } 311 int deviceIndex = indexOfEqualValue(mHdmiInputIdMap, inputId); 312 if (deviceIndex >= 0) { 313 mHdmiInputIdMap.removeAt(deviceIndex); 314 } 315 } 316 } 317 318 /** 319 * Create a TvInputHardware object with a specific deviceId. One service at a time can access 320 * the object, and if more than one process attempts to create hardware with the same deviceId, 321 * the latest service will get the object and all the other hardware are released. The 322 * release is notified via ITvInputHardwareCallback.onReleased(). 323 */ 324 public ITvInputHardware acquireHardware(int deviceId, ITvInputHardwareCallback callback, 325 TvInputInfo info, int callingUid, int resolvedUserId) { 326 if (callback == null) { 327 throw new NullPointerException(); 328 } 329 synchronized (mLock) { 330 Connection connection = mConnections.get(deviceId); 331 if (connection == null) { 332 Slog.e(TAG, "Invalid deviceId : " + deviceId); 333 return null; 334 } 335 if (checkUidChangedLocked(connection, callingUid, resolvedUserId)) { 336 TvInputHardwareImpl hardware = 337 new TvInputHardwareImpl(connection.getHardwareInfoLocked()); 338 try { 339 callback.asBinder().linkToDeath(connection, 0); 340 } catch (RemoteException e) { 341 hardware.release(); 342 return null; 343 } 344 connection.resetLocked(hardware, callback, info, callingUid, resolvedUserId); 345 } 346 return connection.getHardwareLocked(); 347 } 348 } 349 350 /** 351 * Release the specified hardware. 352 */ 353 public void releaseHardware(int deviceId, ITvInputHardware hardware, int callingUid, 354 int resolvedUserId) { 355 synchronized (mLock) { 356 Connection connection = mConnections.get(deviceId); 357 if (connection == null) { 358 Slog.e(TAG, "Invalid deviceId : " + deviceId); 359 return; 360 } 361 if (connection.getHardwareLocked() != hardware 362 || checkUidChangedLocked(connection, callingUid, resolvedUserId)) { 363 return; 364 } 365 connection.resetLocked(null, null, null, null, null); 366 } 367 } 368 369 private TvInputHardwareInfo findHardwareInfoForHdmiPortLocked(int port) { 370 for (TvInputHardwareInfo hardwareInfo : mHardwareList) { 371 if (hardwareInfo.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI 372 && hardwareInfo.getHdmiPortId() == port) { 373 return hardwareInfo; 374 } 375 } 376 return null; 377 } 378 379 private int findDeviceIdForInputIdLocked(String inputId) { 380 for (int i = 0; i < mConnections.size(); ++i) { 381 Connection connection = mConnections.get(i); 382 if (connection.getInfoLocked().getId().equals(inputId)) { 383 return i; 384 } 385 } 386 return -1; 387 } 388 389 /** 390 * Get the list of TvStreamConfig which is buffered mode. 391 */ 392 public List<TvStreamConfig> getAvailableTvStreamConfigList(String inputId, int callingUid, 393 int resolvedUserId) { 394 List<TvStreamConfig> configsList = new ArrayList<TvStreamConfig>(); 395 synchronized (mLock) { 396 int deviceId = findDeviceIdForInputIdLocked(inputId); 397 if (deviceId < 0) { 398 Slog.e(TAG, "Invalid inputId : " + inputId); 399 return configsList; 400 } 401 Connection connection = mConnections.get(deviceId); 402 for (TvStreamConfig config : connection.getConfigsLocked()) { 403 if (config.getType() == TvStreamConfig.STREAM_TYPE_BUFFER_PRODUCER) { 404 configsList.add(config); 405 } 406 } 407 } 408 return configsList; 409 } 410 411 /** 412 * Take a snapshot of the given TV input into the provided Surface. 413 */ 414 public boolean captureFrame(String inputId, Surface surface, final TvStreamConfig config, 415 int callingUid, int resolvedUserId) { 416 synchronized (mLock) { 417 int deviceId = findDeviceIdForInputIdLocked(inputId); 418 if (deviceId < 0) { 419 Slog.e(TAG, "Invalid inputId : " + inputId); 420 return false; 421 } 422 Connection connection = mConnections.get(deviceId); 423 final TvInputHardwareImpl hardwareImpl = connection.getHardwareImplLocked(); 424 if (hardwareImpl != null) { 425 // Stop previous capture. 426 Runnable runnable = connection.getOnFirstFrameCapturedLocked(); 427 if (runnable != null) { 428 runnable.run(); 429 connection.setOnFirstFrameCapturedLocked(null); 430 } 431 432 boolean result = hardwareImpl.startCapture(surface, config); 433 if (result) { 434 connection.setOnFirstFrameCapturedLocked(new Runnable() { 435 @Override 436 public void run() { 437 hardwareImpl.stopCapture(config); 438 } 439 }); 440 } 441 return result; 442 } 443 } 444 return false; 445 } 446 447 private void processPendingHdmiDeviceEventsLocked() { 448 for (Iterator<Message> it = mPendingHdmiDeviceEvents.iterator(); it.hasNext(); ) { 449 Message msg = it.next(); 450 HdmiDeviceInfo deviceInfo = (HdmiDeviceInfo) msg.obj; 451 TvInputHardwareInfo hardwareInfo = 452 findHardwareInfoForHdmiPortLocked(deviceInfo.getPortId()); 453 if (hardwareInfo != null) { 454 msg.sendToTarget(); 455 it.remove(); 456 } 457 } 458 } 459 460 private class Connection implements IBinder.DeathRecipient { 461 private final TvInputHardwareInfo mHardwareInfo; 462 private TvInputInfo mInfo; 463 private TvInputHardwareImpl mHardware = null; 464 private ITvInputHardwareCallback mCallback; 465 private TvStreamConfig[] mConfigs = null; 466 private Integer mCallingUid = null; 467 private Integer mResolvedUserId = null; 468 private Runnable mOnFirstFrameCaptured; 469 470 public Connection(TvInputHardwareInfo hardwareInfo) { 471 mHardwareInfo = hardwareInfo; 472 } 473 474 // *Locked methods assume TvInputHardwareManager.mLock is held. 475 476 public void resetLocked(TvInputHardwareImpl hardware, ITvInputHardwareCallback callback, 477 TvInputInfo info, Integer callingUid, Integer resolvedUserId) { 478 if (mHardware != null) { 479 try { 480 mCallback.onReleased(); 481 } catch (RemoteException e) { 482 Slog.e(TAG, "error in Connection::resetLocked", e); 483 } 484 mHardware.release(); 485 } 486 mHardware = hardware; 487 mCallback = callback; 488 mInfo = info; 489 mCallingUid = callingUid; 490 mResolvedUserId = resolvedUserId; 491 mOnFirstFrameCaptured = null; 492 493 if (mHardware != null && mCallback != null) { 494 try { 495 mCallback.onStreamConfigChanged(getConfigsLocked()); 496 } catch (RemoteException e) { 497 Slog.e(TAG, "error in Connection::resetLocked", e); 498 } 499 } 500 } 501 502 public void updateConfigsLocked(TvStreamConfig[] configs) { 503 mConfigs = configs; 504 } 505 506 public TvInputHardwareInfo getHardwareInfoLocked() { 507 return mHardwareInfo; 508 } 509 510 public TvInputInfo getInfoLocked() { 511 return mInfo; 512 } 513 514 public ITvInputHardware getHardwareLocked() { 515 return mHardware; 516 } 517 518 public TvInputHardwareImpl getHardwareImplLocked() { 519 return mHardware; 520 } 521 522 public ITvInputHardwareCallback getCallbackLocked() { 523 return mCallback; 524 } 525 526 public TvStreamConfig[] getConfigsLocked() { 527 return mConfigs; 528 } 529 530 public Integer getCallingUidLocked() { 531 return mCallingUid; 532 } 533 534 public Integer getResolvedUserIdLocked() { 535 return mResolvedUserId; 536 } 537 538 public void setOnFirstFrameCapturedLocked(Runnable runnable) { 539 mOnFirstFrameCaptured = runnable; 540 } 541 542 public Runnable getOnFirstFrameCapturedLocked() { 543 return mOnFirstFrameCaptured; 544 } 545 546 @Override 547 public void binderDied() { 548 synchronized (mLock) { 549 resetLocked(null, null, null, null, null); 550 } 551 } 552 } 553 554 private class TvInputHardwareImpl extends ITvInputHardware.Stub { 555 private final TvInputHardwareInfo mInfo; 556 private boolean mReleased = false; 557 private final Object mImplLock = new Object(); 558 559 private final AudioManager.OnAudioPortUpdateListener mAudioListener = 560 new AudioManager.OnAudioPortUpdateListener() { 561 @Override 562 public void onAudioPortListUpdate(AudioPort[] portList) { 563 synchronized (mImplLock) { 564 updateAudioSinkLocked(); 565 if (mInfo.getAudioType() != AudioManager.DEVICE_NONE && mAudioSource == null) { 566 mAudioSource = findAudioDevicePort(mInfo.getAudioType(), 567 mInfo.getAudioAddress()); 568 if (mActiveConfig != null) { 569 updateAudioPatchLocked(); 570 } 571 } 572 } 573 } 574 575 @Override 576 public void onAudioPatchListUpdate(AudioPatch[] patchList) { 577 // No-op 578 } 579 580 @Override 581 public void onServiceDied() { 582 synchronized (mImplLock) { 583 mAudioSource = null; 584 mAudioSink = null; 585 mAudioPatch = null; 586 } 587 } 588 }; 589 private int mOverrideAudioType = AudioManager.DEVICE_NONE; 590 private String mOverrideAudioAddress = ""; 591 private AudioDevicePort mAudioSource; 592 private AudioDevicePort mAudioSink; 593 private AudioPatch mAudioPatch = null; 594 private float mCommittedVolume = 0.0f; 595 private float mVolume = 0.0f; 596 597 private TvStreamConfig mActiveConfig = null; 598 599 private int mDesiredSamplingRate = 0; 600 private int mDesiredChannelMask = AudioFormat.CHANNEL_OUT_DEFAULT; 601 private int mDesiredFormat = AudioFormat.ENCODING_DEFAULT; 602 603 public TvInputHardwareImpl(TvInputHardwareInfo info) { 604 mInfo = info; 605 mAudioManager.registerAudioPortUpdateListener(mAudioListener); 606 if (mInfo.getAudioType() != AudioManager.DEVICE_NONE) { 607 mAudioSource = findAudioDevicePort(mInfo.getAudioType(), mInfo.getAudioAddress()); 608 mAudioSink = findAudioSinkFromAudioPolicy(); 609 } 610 } 611 612 private AudioDevicePort findAudioSinkFromAudioPolicy() { 613 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 614 if (mAudioManager.listAudioDevicePorts(devicePorts) == AudioManager.SUCCESS) { 615 int sinkDevice = mAudioManager.getDevicesForStream(AudioManager.STREAM_MUSIC); 616 for (AudioPort port : devicePorts) { 617 AudioDevicePort devicePort = (AudioDevicePort) port; 618 if (devicePort.type() == sinkDevice) { 619 return devicePort; 620 } 621 } 622 } 623 return null; 624 } 625 626 private AudioDevicePort findAudioDevicePort(int type, String address) { 627 if (type == AudioManager.DEVICE_NONE) { 628 return null; 629 } 630 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 631 if (mAudioManager.listAudioDevicePorts(devicePorts) != AudioManager.SUCCESS) { 632 return null; 633 } 634 for (AudioPort port : devicePorts) { 635 AudioDevicePort devicePort = (AudioDevicePort) port; 636 if (devicePort.type() == type && devicePort.address().equals(address)) { 637 return devicePort; 638 } 639 } 640 return null; 641 } 642 643 public void release() { 644 synchronized (mImplLock) { 645 mAudioManager.unregisterAudioPortUpdateListener(mAudioListener); 646 if (mAudioPatch != null) { 647 mAudioManager.releaseAudioPatch(mAudioPatch); 648 mAudioPatch = null; 649 } 650 mReleased = true; 651 } 652 } 653 654 // A TvInputHardwareImpl object holds only one active session. Therefore, if a client 655 // attempts to call setSurface with different TvStreamConfig objects, the last call will 656 // prevail. 657 @Override 658 public boolean setSurface(Surface surface, TvStreamConfig config) 659 throws RemoteException { 660 synchronized (mImplLock) { 661 if (mReleased) { 662 throw new IllegalStateException("Device already released."); 663 } 664 if (surface != null && config == null) { 665 return false; 666 } 667 if (surface == null && mActiveConfig == null) { 668 return false; 669 } 670 if (mAudioSource != null && mAudioSink != null) { 671 if (surface != null) { 672 updateAudioPatchLocked(); 673 } else { 674 mAudioManager.releaseAudioPatch(mAudioPatch); 675 mAudioPatch = null; 676 } 677 } 678 int result = TvInputHal.ERROR_UNKNOWN; 679 if (surface == null) { 680 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 681 mActiveConfig = null; 682 } else { 683 if (config != mActiveConfig && mActiveConfig != null) { 684 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 685 if (result != TvInputHal.SUCCESS) { 686 mActiveConfig = null; 687 return false; 688 } 689 } 690 result = mHal.addStream(mInfo.getDeviceId(), surface, config); 691 if (result == TvInputHal.SUCCESS) { 692 mActiveConfig = config; 693 } 694 } 695 return result == TvInputHal.SUCCESS; 696 } 697 } 698 699 private void updateAudioPatchLocked() { 700 if (mAudioSource == null || mAudioSink == null) { 701 if (mAudioPatch != null) { 702 throw new IllegalStateException("Audio patch should be null if audio source " 703 + "or sink is null."); 704 } 705 return; 706 } 707 708 AudioGainConfig sourceGainConfig = null; 709 if (mAudioSource.gains().length > 0 && mVolume != mCommittedVolume) { 710 AudioGain sourceGain = null; 711 for (AudioGain gain : mAudioSource.gains()) { 712 if ((gain.mode() & AudioGain.MODE_JOINT) != 0) { 713 sourceGain = gain; 714 break; 715 } 716 } 717 // NOTE: we only change the source gain in MODE_JOINT here. 718 if (sourceGain != null) { 719 int steps = (sourceGain.maxValue() - sourceGain.minValue()) 720 / sourceGain.stepValue(); 721 int gainValue = sourceGain.minValue(); 722 if (mVolume < 1.0f) { 723 gainValue += sourceGain.stepValue() * (int) (mVolume * steps + 0.5); 724 } else { 725 gainValue = sourceGain.maxValue(); 726 } 727 int numChannels = 0; 728 for (int mask = sourceGain.channelMask(); mask > 0; mask >>= 1) { 729 numChannels += (mask & 1); 730 } 731 int[] gainValues = new int[numChannels]; 732 Arrays.fill(gainValues, gainValue); 733 sourceGainConfig = sourceGain.buildConfig(AudioGain.MODE_JOINT, 734 sourceGain.channelMask(), gainValues, 0); 735 } else { 736 Slog.w(TAG, "No audio source gain with MODE_JOINT support exists."); 737 } 738 } 739 740 AudioPortConfig sourceConfig = mAudioSource.activeConfig(); 741 AudioPortConfig sinkConfig = mAudioSink.activeConfig(); 742 AudioPatch[] audioPatchArray = new AudioPatch[] { mAudioPatch }; 743 boolean shouldRecreateAudioPatch = false; 744 if (sinkConfig == null 745 || (mDesiredSamplingRate != 0 746 && sinkConfig.samplingRate() != mDesiredSamplingRate) 747 || (mDesiredChannelMask != AudioFormat.CHANNEL_OUT_DEFAULT 748 && sinkConfig.channelMask() != mDesiredChannelMask) 749 || (mDesiredFormat != AudioFormat.ENCODING_DEFAULT 750 && sinkConfig.format() != mDesiredFormat)) { 751 sinkConfig = mAudioSource.buildConfig(mDesiredSamplingRate, mDesiredChannelMask, 752 mDesiredFormat, null); 753 shouldRecreateAudioPatch = true; 754 } 755 if (sourceConfig == null || sourceGainConfig != null) { 756 sourceConfig = mAudioSource.buildConfig(sinkConfig.samplingRate(), 757 sinkConfig.channelMask(), sinkConfig.format(), sourceGainConfig); 758 shouldRecreateAudioPatch = true; 759 } 760 if (shouldRecreateAudioPatch) { 761 mCommittedVolume = mVolume; 762 mAudioManager.createAudioPatch( 763 audioPatchArray, 764 new AudioPortConfig[] { sourceConfig }, 765 new AudioPortConfig[] { sinkConfig }); 766 mAudioPatch = audioPatchArray[0]; 767 } 768 } 769 770 @Override 771 public void setStreamVolume(float volume) throws RemoteException { 772 synchronized (mImplLock) { 773 if (mReleased) { 774 throw new IllegalStateException("Device already released."); 775 } 776 mVolume = volume; 777 updateAudioPatchLocked(); 778 } 779 } 780 781 @Override 782 public boolean dispatchKeyEventToHdmi(KeyEvent event) throws RemoteException { 783 synchronized (mImplLock) { 784 if (mReleased) { 785 throw new IllegalStateException("Device already released."); 786 } 787 } 788 if (mInfo.getType() != TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 789 return false; 790 } 791 // TODO(hdmi): mHdmiClient.sendKeyEvent(event); 792 return false; 793 } 794 795 private boolean startCapture(Surface surface, TvStreamConfig config) { 796 synchronized (mImplLock) { 797 if (mReleased) { 798 return false; 799 } 800 if (surface == null || config == null) { 801 return false; 802 } 803 if (config.getType() != TvStreamConfig.STREAM_TYPE_BUFFER_PRODUCER) { 804 return false; 805 } 806 807 int result = mHal.addStream(mInfo.getDeviceId(), surface, config); 808 return result == TvInputHal.SUCCESS; 809 } 810 } 811 812 private boolean stopCapture(TvStreamConfig config) { 813 synchronized (mImplLock) { 814 if (mReleased) { 815 return false; 816 } 817 if (config == null) { 818 return false; 819 } 820 821 int result = mHal.removeStream(mInfo.getDeviceId(), config); 822 return result == TvInputHal.SUCCESS; 823 } 824 } 825 826 private void updateAudioSinkLocked() { 827 if (mInfo.getAudioType() == AudioManager.DEVICE_NONE) { 828 return; 829 } 830 if (mOverrideAudioType == AudioManager.DEVICE_NONE) { 831 mAudioSink = findAudioSinkFromAudioPolicy(); 832 } else { 833 AudioDevicePort audioSink = 834 findAudioDevicePort(mOverrideAudioType, mOverrideAudioAddress); 835 if (audioSink != null) { 836 mAudioSink = audioSink; 837 } 838 } 839 } 840 841 @Override 842 public void overrideAudioSink(int audioType, String audioAddress, int samplingRate, 843 int channelMask, int format) { 844 synchronized (mImplLock) { 845 mOverrideAudioType = audioType; 846 mOverrideAudioAddress = audioAddress; 847 updateAudioSinkLocked(); 848 849 mDesiredSamplingRate = samplingRate; 850 mDesiredChannelMask = channelMask; 851 mDesiredFormat = format; 852 853 if (mAudioPatch != null) { 854 updateAudioPatchLocked(); 855 } 856 } 857 } 858 } 859 860 interface Listener { 861 public void onStateChanged(String inputId, int state); 862 public void onHardwareDeviceAdded(TvInputHardwareInfo info); 863 public void onHardwareDeviceRemoved(TvInputHardwareInfo info); 864 public void onHdmiDeviceAdded(HdmiDeviceInfo device); 865 public void onHdmiDeviceRemoved(HdmiDeviceInfo device); 866 public void onHdmiDeviceUpdated(HdmiDeviceInfo device); 867 } 868 869 private class ListenerHandler extends Handler { 870 private static final int STATE_CHANGED = 1; 871 private static final int HARDWARE_DEVICE_ADDED = 2; 872 private static final int HARDWARE_DEVICE_REMOVED = 3; 873 private static final int HDMI_DEVICE_ADDED = 4; 874 private static final int HDMI_DEVICE_REMOVED = 5; 875 private static final int HDMI_DEVICE_UPDATED = 6; 876 877 @Override 878 public final void handleMessage(Message msg) { 879 switch (msg.what) { 880 case STATE_CHANGED: { 881 String inputId = (String) msg.obj; 882 int state = msg.arg1; 883 mListener.onStateChanged(inputId, state); 884 break; 885 } 886 case HARDWARE_DEVICE_ADDED: { 887 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 888 mListener.onHardwareDeviceAdded(info); 889 break; 890 } 891 case HARDWARE_DEVICE_REMOVED: { 892 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 893 mListener.onHardwareDeviceRemoved(info); 894 break; 895 } 896 case HDMI_DEVICE_ADDED: { 897 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 898 mListener.onHdmiDeviceAdded(info); 899 break; 900 } 901 case HDMI_DEVICE_REMOVED: { 902 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 903 mListener.onHdmiDeviceRemoved(info); 904 break; 905 } 906 case HDMI_DEVICE_UPDATED: { 907 HdmiDeviceInfo info = (HdmiDeviceInfo) msg.obj; 908 mListener.onHdmiDeviceUpdated(info); 909 } 910 default: { 911 Slog.w(TAG, "Unhandled message: " + msg); 912 break; 913 } 914 } 915 } 916 } 917 918 // Listener implementations for HdmiControlService 919 920 private final class HdmiHotplugEventListener extends IHdmiHotplugEventListener.Stub { 921 @Override 922 public void onReceived(HdmiHotplugEvent event) { 923 synchronized (mLock) { 924 mHdmiStateMap.put(event.getPort(), event.isConnected()); 925 TvInputHardwareInfo hardwareInfo = 926 findHardwareInfoForHdmiPortLocked(event.getPort()); 927 if (hardwareInfo == null) { 928 return; 929 } 930 String inputId = mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 931 if (inputId == null) { 932 return; 933 } 934 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 935 convertConnectedToState(event.isConnected()), 0, inputId).sendToTarget(); 936 } 937 } 938 } 939 940 private final class HdmiDeviceEventListener extends IHdmiDeviceEventListener.Stub { 941 @Override 942 public void onStatusChanged(HdmiDeviceInfo deviceInfo, int status) { 943 synchronized (mLock) { 944 int messageType = 0; 945 switch (status) { 946 case HdmiControlManager.DEVICE_EVENT_ADD_DEVICE: { 947 if (!mHdmiDeviceList.contains(deviceInfo)) { 948 mHdmiDeviceList.add(deviceInfo); 949 } else { 950 Slog.w(TAG, "The list already contains " + deviceInfo + "; ignoring."); 951 return; 952 } 953 messageType = ListenerHandler.HDMI_DEVICE_ADDED; 954 break; 955 } 956 case HdmiControlManager.DEVICE_EVENT_REMOVE_DEVICE: { 957 if (!mHdmiDeviceList.remove(deviceInfo)) { 958 Slog.w(TAG, "The list doesn't contain " + deviceInfo + "; ignoring."); 959 return; 960 } 961 messageType = ListenerHandler.HDMI_DEVICE_REMOVED; 962 break; 963 } 964 case HdmiControlManager.DEVICE_EVENT_UPDATE_DEVICE: { 965 if (!mHdmiDeviceList.remove(deviceInfo)) { 966 Slog.w(TAG, "The list doesn't contain " + deviceInfo + "; ignoring."); 967 return; 968 } 969 mHdmiDeviceList.add(deviceInfo); 970 messageType = ListenerHandler.HDMI_DEVICE_UPDATED; 971 break; 972 } 973 } 974 975 Message msg = mHandler.obtainMessage(messageType, 0, 0, deviceInfo); 976 if (findHardwareInfoForHdmiPortLocked(deviceInfo.getPortId()) != null) { 977 msg.sendToTarget(); 978 } else { 979 mPendingHdmiDeviceEvents.add(msg); 980 } 981 } 982 } 983 } 984 985 private final class HdmiInputChangeListener extends IHdmiInputChangeListener.Stub { 986 @Override 987 public void onChanged(HdmiDeviceInfo device) throws RemoteException { 988 String inputId; 989 synchronized (mLock) { 990 if (device.isCecDevice()) { 991 inputId = mHdmiInputIdMap.get(device.getLogicalAddress()); 992 } else { 993 TvInputHardwareInfo hardwareInfo = 994 findHardwareInfoForHdmiPortLocked(device.getPortId()); 995 inputId = (hardwareInfo == null) ? null 996 : mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 997 } 998 } 999 if (inputId != null) { 1000 Intent intent = new Intent(Intent.ACTION_VIEW); 1001 intent.setData(TvContract.buildChannelUriForPassthroughTvInput(inputId)); 1002 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1003 mContext.startActivity(intent); 1004 } else { 1005 Slog.w(TAG, "onChanged: InputId cannot be found for :" + device); 1006 } 1007 } 1008 } 1009} 1010