TvInputHardwareManager.java revision ca17a9029dd7b1b87c155e68476eae5ee4efbede
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.HdmiCecDeviceInfo; 25import android.hardware.hdmi.HdmiHotplugEvent; 26import android.hardware.hdmi.IHdmiControlService; 27import android.hardware.hdmi.IHdmiDeviceEventListener; 28import android.hardware.hdmi.IHdmiHotplugEventListener; 29import android.hardware.hdmi.IHdmiInputChangeListener; 30import android.media.AudioDevicePort; 31import android.media.AudioFormat; 32import android.media.AudioManager; 33import android.media.AudioPatch; 34import android.media.AudioPort; 35import android.media.AudioPortConfig; 36import android.media.tv.ITvInputHardware; 37import android.media.tv.ITvInputHardwareCallback; 38import android.media.tv.TvInputHardwareInfo; 39import android.media.tv.TvContract; 40import android.media.tv.TvInputInfo; 41import android.media.tv.TvStreamConfig; 42import android.os.Handler; 43import android.os.IBinder; 44import android.os.Looper; 45import android.os.Message; 46import android.os.RemoteException; 47import android.os.ServiceManager; 48import android.util.ArrayMap; 49import android.util.Slog; 50import android.util.SparseArray; 51import android.util.SparseBooleanArray; 52import android.view.KeyEvent; 53import android.view.Surface; 54 55import com.android.server.SystemService; 56 57import java.util.ArrayList; 58import java.util.Collections; 59import java.util.HashSet; 60import java.util.Iterator; 61import java.util.LinkedList; 62import java.util.List; 63import java.util.Map; 64import java.util.Set; 65 66/** 67 * A helper class for TvInputManagerService to handle TV input hardware. 68 * 69 * This class does a basic connection management and forwarding calls to TvInputHal which eventually 70 * calls to tv_input HAL module. 71 * 72 * @hide 73 */ 74class TvInputHardwareManager implements TvInputHal.Callback { 75 private static final String TAG = TvInputHardwareManager.class.getSimpleName(); 76 77 private final Context mContext; 78 private final Listener mListener; 79 private final TvInputHal mHal = new TvInputHal(this); 80 private final SparseArray<Connection> mConnections = new SparseArray<>(); 81 private final List<TvInputHardwareInfo> mHardwareList = new ArrayList<>(); 82 private List<HdmiCecDeviceInfo> mHdmiCecDeviceList = new LinkedList<>(); 83 /* A map from a device ID to the matching TV input ID. */ 84 private final SparseArray<String> mHardwareInputIdMap = new SparseArray<>(); 85 /* A map from a HDMI logical address to the matching TV input ID. */ 86 private final SparseArray<String> mHdmiCecInputIdMap = new SparseArray<>(); 87 private final Map<String, TvInputInfo> mInputMap = new ArrayMap<>(); 88 89 private final AudioManager mAudioManager; 90 private IHdmiControlService mHdmiControlService; 91 private final IHdmiHotplugEventListener mHdmiHotplugEventListener = 92 new HdmiHotplugEventListener(); 93 private final IHdmiDeviceEventListener mHdmiDeviceEventListener = new HdmiDeviceEventListener(); 94 private final IHdmiInputChangeListener mHdmiInputChangeListener = new HdmiInputChangeListener(); 95 // TODO: Should handle STANDBY case. 96 private final SparseBooleanArray mHdmiStateMap = new SparseBooleanArray(); 97 private final List<Message> mPendingHdmiDeviceEvents = new LinkedList<>(); 98 99 // Calls to mListener should happen here. 100 private final Handler mHandler = new ListenerHandler(); 101 102 private final Object mLock = new Object(); 103 104 public TvInputHardwareManager(Context context, Listener listener) { 105 mContext = context; 106 mListener = listener; 107 mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 108 mHal.init(); 109 } 110 111 public void onBootPhase(int phase) { 112 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 113 mHdmiControlService = IHdmiControlService.Stub.asInterface(ServiceManager.getService( 114 Context.HDMI_CONTROL_SERVICE)); 115 if (mHdmiControlService != null) { 116 try { 117 mHdmiControlService.addHotplugEventListener(mHdmiHotplugEventListener); 118 mHdmiControlService.addDeviceEventListener(mHdmiDeviceEventListener); 119 mHdmiCecDeviceList.addAll(mHdmiControlService.getInputDevices()); 120 mHdmiControlService.setInputChangeListener(mHdmiInputChangeListener); 121 } catch (RemoteException e) { 122 Slog.w(TAG, "Error registering listeners to HdmiControlService:", e); 123 } 124 } 125 } 126 } 127 128 @Override 129 public void onDeviceAvailable(TvInputHardwareInfo info, TvStreamConfig[] configs) { 130 synchronized (mLock) { 131 Connection connection = new Connection(info); 132 connection.updateConfigsLocked(configs); 133 mConnections.put(info.getDeviceId(), connection); 134 buildHardwareListLocked(); 135 mHandler.obtainMessage( 136 ListenerHandler.HARDWARE_DEVICE_ADDED, 0, 0, info).sendToTarget(); 137 if (info.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 138 processPendingHdmiDeviceEventsLocked(); 139 } 140 } 141 } 142 143 private void buildHardwareListLocked() { 144 mHardwareList.clear(); 145 for (int i = 0; i < mConnections.size(); ++i) { 146 mHardwareList.add(mConnections.valueAt(i).getHardwareInfoLocked()); 147 } 148 } 149 150 @Override 151 public void onDeviceUnavailable(int deviceId) { 152 synchronized (mLock) { 153 Connection connection = mConnections.get(deviceId); 154 if (connection == null) { 155 Slog.e(TAG, "onDeviceUnavailable: Cannot find a connection with " + deviceId); 156 return; 157 } 158 connection.resetLocked(null, null, null, null, null); 159 mConnections.remove(deviceId); 160 buildHardwareListLocked(); 161 TvInputHardwareInfo info = connection.getHardwareInfoLocked(); 162 if (info.getType() == TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 163 // Remove HDMI CEC devices linked with this hardware. 164 for (Iterator<HdmiCecDeviceInfo> it = mHdmiCecDeviceList.iterator(); 165 it.hasNext(); ) { 166 HdmiCecDeviceInfo deviceInfo = it.next(); 167 if (deviceInfo.getPortId() == info.getHdmiPortId()) { 168 mHandler.obtainMessage(ListenerHandler.HDMI_CEC_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<HdmiCecDeviceInfo> getHdmiCecInputDeviceList() { 221 synchronized (mLock) { 222 return Collections.unmodifiableList(mHdmiCecDeviceList); 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 addHdmiCecTvInput(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 = mHdmiCecInputIdMap.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 mHdmiCecInputIdMap.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 cecIndex = indexOfEqualValue(mHdmiCecInputIdMap, inputId); 312 if (cecIndex >= 0) { 313 mHdmiCecInputIdMap.removeAt(cecIndex); 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 HdmiCecDeviceInfo deviceInfo = (HdmiCecDeviceInfo) 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 AudioDevicePort mAudioSource; 560 private AudioDevicePort mAudioSink; 561 private AudioPatch mAudioPatch = null; 562 563 private TvStreamConfig mActiveConfig = null; 564 565 private int mDesiredSamplingRate = 0; 566 private int mDesiredChannelMask = AudioFormat.CHANNEL_OUT_DEFAULT; 567 private int mDesiredFormat = AudioFormat.ENCODING_DEFAULT; 568 569 public TvInputHardwareImpl(TvInputHardwareInfo info) { 570 mInfo = info; 571 AudioDevicePort audioSource = null; 572 if (mInfo.getAudioType() != AudioManager.DEVICE_NONE) { 573 audioSource = findAudioDevicePort(mInfo.getAudioType(), mInfo.getAudioAddress()); 574 mAudioSink = findAudioSinkFromAudioPolicy(); 575 } 576 mAudioSource = audioSource; 577 } 578 579 private AudioDevicePort findAudioSinkFromAudioPolicy() { 580 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 581 if (mAudioManager.listAudioDevicePorts(devicePorts) == AudioManager.SUCCESS) { 582 int sinkDevice = mAudioManager.getDevicesForStream(AudioManager.STREAM_MUSIC); 583 for (AudioPort port : devicePorts) { 584 AudioDevicePort devicePort = (AudioDevicePort) port; 585 if (devicePort.type() == sinkDevice) { 586 return devicePort; 587 } 588 } 589 } 590 return null; 591 } 592 593 private AudioDevicePort findAudioDevicePort(int type, String address) { 594 if (type == AudioManager.DEVICE_NONE) { 595 return null; 596 } 597 ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); 598 if (mAudioManager.listAudioDevicePorts(devicePorts) != AudioManager.SUCCESS) { 599 return null; 600 } 601 for (AudioPort port : devicePorts) { 602 AudioDevicePort devicePort = (AudioDevicePort) port; 603 if (devicePort.type() == type && devicePort.address().equals(address)) { 604 return devicePort; 605 } 606 } 607 return null; 608 } 609 610 public void release() { 611 synchronized (mImplLock) { 612 if (mAudioPatch != null) { 613 mAudioManager.releaseAudioPatch(mAudioPatch); 614 mAudioPatch = null; 615 } 616 mReleased = true; 617 } 618 } 619 620 // A TvInputHardwareImpl object holds only one active session. Therefore, if a client 621 // attempts to call setSurface with different TvStreamConfig objects, the last call will 622 // prevail. 623 @Override 624 public boolean setSurface(Surface surface, TvStreamConfig config) 625 throws RemoteException { 626 synchronized (mImplLock) { 627 if (mReleased) { 628 throw new IllegalStateException("Device already released."); 629 } 630 if (surface != null && config == null) { 631 return false; 632 } 633 if (surface == null && mActiveConfig == null) { 634 return false; 635 } 636 if (mAudioSource != null && mAudioSink != null) { 637 if (surface != null) { 638 updateAudioPatchLocked(); 639 } else { 640 mAudioManager.releaseAudioPatch(mAudioPatch); 641 mAudioPatch = null; 642 } 643 } 644 int result = TvInputHal.ERROR_UNKNOWN; 645 if (surface == null) { 646 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 647 mActiveConfig = null; 648 } else { 649 if (config != mActiveConfig && mActiveConfig != null) { 650 result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); 651 if (result != TvInputHal.SUCCESS) { 652 mActiveConfig = null; 653 return false; 654 } 655 } 656 result = mHal.addStream(mInfo.getDeviceId(), surface, config); 657 if (result == TvInputHal.SUCCESS) { 658 mActiveConfig = config; 659 } 660 } 661 return result == TvInputHal.SUCCESS; 662 } 663 } 664 665 private void updateAudioPatchLocked() { 666 AudioPortConfig sourceConfig = mAudioSource.activeConfig(); 667 AudioPortConfig sinkConfig = mAudioSink.activeConfig(); 668 AudioPatch[] audioPatchArray = new AudioPatch[] { mAudioPatch }; 669 if (sinkConfig == null 670 || (mDesiredSamplingRate != 0 671 && sinkConfig.samplingRate() != mDesiredSamplingRate) 672 || (mDesiredChannelMask != AudioFormat.CHANNEL_OUT_DEFAULT 673 && sinkConfig.channelMask() != mDesiredChannelMask) 674 || (mDesiredFormat != AudioFormat.ENCODING_DEFAULT 675 && sinkConfig.format() != mDesiredFormat)) { 676 sinkConfig = mAudioSource.buildConfig(mDesiredSamplingRate, mDesiredChannelMask, 677 mDesiredFormat, null); 678 } 679 if (sourceConfig == null) { 680 sourceConfig = mAudioSource.buildConfig(sinkConfig.samplingRate(), 681 sinkConfig.channelMask(), sinkConfig.format(), null); 682 } 683 mAudioManager.createAudioPatch( 684 audioPatchArray, 685 new AudioPortConfig[] { sourceConfig }, 686 new AudioPortConfig[] { sinkConfig }); 687 mAudioPatch = audioPatchArray[0]; 688 } 689 690 @Override 691 public void setVolume(float volume) throws RemoteException { 692 synchronized (mImplLock) { 693 if (mReleased) { 694 throw new IllegalStateException("Device already released."); 695 } 696 } 697 // TODO: Use AudioGain? 698 } 699 700 @Override 701 public boolean dispatchKeyEventToHdmi(KeyEvent event) throws RemoteException { 702 synchronized (mImplLock) { 703 if (mReleased) { 704 throw new IllegalStateException("Device already released."); 705 } 706 } 707 if (mInfo.getType() != TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) { 708 return false; 709 } 710 // TODO(hdmi): mHdmiClient.sendKeyEvent(event); 711 return false; 712 } 713 714 private boolean startCapture(Surface surface, TvStreamConfig config) { 715 synchronized (mImplLock) { 716 if (mReleased) { 717 return false; 718 } 719 if (surface == null || config == null) { 720 return false; 721 } 722 if (config.getType() != TvStreamConfig.STREAM_TYPE_BUFFER_PRODUCER) { 723 return false; 724 } 725 726 int result = mHal.addStream(mInfo.getDeviceId(), surface, config); 727 return result == TvInputHal.SUCCESS; 728 } 729 } 730 731 private boolean stopCapture(TvStreamConfig config) { 732 synchronized (mImplLock) { 733 if (mReleased) { 734 return false; 735 } 736 if (config == null) { 737 return false; 738 } 739 740 int result = mHal.removeStream(mInfo.getDeviceId(), config); 741 return result == TvInputHal.SUCCESS; 742 } 743 } 744 745 @Override 746 public void overrideAudioSink(int audioType, String audioAddress, int samplingRate, 747 int channelMask, int format) { 748 synchronized (mImplLock) { 749 if (audioType == AudioManager.DEVICE_NONE) { 750 mAudioSink = findAudioSinkFromAudioPolicy(); 751 } else { 752 AudioDevicePort audioSink = findAudioDevicePort(audioType, audioAddress); 753 if (audioSink != null) { 754 mAudioSink = audioSink; 755 } 756 } 757 mDesiredSamplingRate = samplingRate; 758 mDesiredChannelMask = channelMask; 759 mDesiredFormat = format; 760 761 if (mAudioPatch != null) { 762 updateAudioPatchLocked(); 763 } 764 } 765 } 766 } 767 768 interface Listener { 769 public void onStateChanged(String inputId, int state); 770 public void onHardwareDeviceAdded(TvInputHardwareInfo info); 771 public void onHardwareDeviceRemoved(TvInputHardwareInfo info); 772 public void onHdmiCecDeviceAdded(HdmiCecDeviceInfo cecDevice); 773 public void onHdmiCecDeviceRemoved(HdmiCecDeviceInfo cecDevice); 774 } 775 776 private class ListenerHandler extends Handler { 777 private static final int STATE_CHANGED = 1; 778 private static final int HARDWARE_DEVICE_ADDED = 2; 779 private static final int HARDWARE_DEVICE_REMOVED = 3; 780 private static final int HDMI_CEC_DEVICE_ADDED = 4; 781 private static final int HDMI_CEC_DEVICE_REMOVED = 5; 782 783 @Override 784 public final void handleMessage(Message msg) { 785 switch (msg.what) { 786 case STATE_CHANGED: { 787 String inputId = (String) msg.obj; 788 int state = msg.arg1; 789 mListener.onStateChanged(inputId, state); 790 break; 791 } 792 case HARDWARE_DEVICE_ADDED: { 793 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 794 mListener.onHardwareDeviceAdded(info); 795 break; 796 } 797 case HARDWARE_DEVICE_REMOVED: { 798 TvInputHardwareInfo info = (TvInputHardwareInfo) msg.obj; 799 mListener.onHardwareDeviceRemoved(info); 800 break; 801 } 802 case HDMI_CEC_DEVICE_ADDED: { 803 HdmiCecDeviceInfo info = (HdmiCecDeviceInfo) msg.obj; 804 mListener.onHdmiCecDeviceAdded(info); 805 break; 806 } 807 case HDMI_CEC_DEVICE_REMOVED: { 808 HdmiCecDeviceInfo info = (HdmiCecDeviceInfo) msg.obj; 809 mListener.onHdmiCecDeviceRemoved(info); 810 break; 811 } 812 default: { 813 Slog.w(TAG, "Unhandled message: " + msg); 814 break; 815 } 816 } 817 } 818 } 819 820 // Listener implementations for HdmiControlService 821 822 private final class HdmiHotplugEventListener extends IHdmiHotplugEventListener.Stub { 823 @Override 824 public void onReceived(HdmiHotplugEvent event) { 825 synchronized (mLock) { 826 mHdmiStateMap.put(event.getPort(), event.isConnected()); 827 TvInputHardwareInfo hardwareInfo = 828 findHardwareInfoForHdmiPortLocked(event.getPort()); 829 if (hardwareInfo == null) { 830 return; 831 } 832 String inputId = mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 833 if (inputId == null) { 834 return; 835 } 836 mHandler.obtainMessage(ListenerHandler.STATE_CHANGED, 837 convertConnectedToState(event.isConnected()), 0, inputId).sendToTarget(); 838 } 839 } 840 } 841 842 private final class HdmiDeviceEventListener extends IHdmiDeviceEventListener.Stub { 843 @Override 844 public void onStatusChanged(HdmiCecDeviceInfo deviceInfo, boolean activated) { 845 synchronized (mLock) { 846 if (activated) { 847 if (!mHdmiCecDeviceList.contains(deviceInfo)) { 848 mHdmiCecDeviceList.add(deviceInfo); 849 } else { 850 Slog.w(TAG, "The list already contains " + deviceInfo + "; ignoring."); 851 return; 852 } 853 } else { 854 if (!mHdmiCecDeviceList.remove(deviceInfo)) { 855 Slog.w(TAG, "The list doesn't contain " + deviceInfo + "; ignoring."); 856 return; 857 } 858 } 859 Message msg = mHandler.obtainMessage( 860 activated ? ListenerHandler.HDMI_CEC_DEVICE_ADDED 861 : ListenerHandler.HDMI_CEC_DEVICE_REMOVED, 862 0, 0, deviceInfo); 863 if (findHardwareInfoForHdmiPortLocked(deviceInfo.getPortId()) != null) { 864 msg.sendToTarget(); 865 } else { 866 mPendingHdmiDeviceEvents.add(msg); 867 } 868 } 869 } 870 } 871 872 private final class HdmiInputChangeListener extends IHdmiInputChangeListener.Stub { 873 @Override 874 public void onChanged(HdmiCecDeviceInfo device) throws RemoteException { 875 String inputId; 876 synchronized (mLock) { 877 if (device.isCecDevice()) { 878 inputId = mHdmiCecInputIdMap.get(device.getLogicalAddress()); 879 } else { 880 TvInputHardwareInfo hardwareInfo = 881 findHardwareInfoForHdmiPortLocked(device.getPortId()); 882 inputId = (hardwareInfo == null) ? null 883 : mHardwareInputIdMap.get(hardwareInfo.getDeviceId()); 884 } 885 } 886 if (inputId != null) { 887 Intent intent = new Intent(Intent.ACTION_VIEW); 888 intent.setData(TvContract.buildChannelUriForPassthroughTvInput(inputId)); 889 mContext.startActivity(intent); 890 } else { 891 Slog.w(TAG, "onChanged: InputId cannot be found for :" + device); 892 } 893 } 894 } 895} 896