Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.tv; |
| 18 | |
| 19 | import android.content.Context; |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 20 | import android.media.AudioDevicePort; |
| 21 | import android.media.AudioManager; |
| 22 | import android.media.AudioPatch; |
| 23 | import android.media.AudioPort; |
| 24 | import android.media.AudioPortConfig; |
Jae Seo | d5cc4a2 | 2014-05-30 16:57:43 -0700 | [diff] [blame] | 25 | import android.media.tv.ITvInputHardware; |
| 26 | import android.media.tv.ITvInputHardwareCallback; |
| 27 | import android.media.tv.TvInputHardwareInfo; |
| 28 | import android.media.tv.TvStreamConfig; |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 29 | import android.os.IBinder; |
| 30 | import android.os.RemoteException; |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 31 | import android.util.Slog; |
| 32 | import android.util.SparseArray; |
| 33 | import android.view.KeyEvent; |
| 34 | import android.view.Surface; |
| 35 | |
| 36 | import java.util.ArrayList; |
| 37 | import java.util.HashSet; |
| 38 | import java.util.List; |
| 39 | import java.util.Set; |
| 40 | |
| 41 | /** |
| 42 | * A helper class for TvInputManagerService to handle TV input hardware. |
| 43 | * |
| 44 | * This class does a basic connection management and forwarding calls to TvInputHal which eventually |
| 45 | * calls to tv_input HAL module. |
| 46 | * |
| 47 | * @hide |
| 48 | */ |
| 49 | class TvInputHardwareManager implements TvInputHal.Callback { |
| 50 | private static final String TAG = TvInputHardwareManager.class.getSimpleName(); |
| 51 | private final TvInputHal mHal = new TvInputHal(this); |
| 52 | private final SparseArray<Connection> mConnections = new SparseArray<Connection>(); |
| 53 | private final List<TvInputHardwareInfo> mInfoList = new ArrayList<TvInputHardwareInfo>(); |
| 54 | private final Context mContext; |
| 55 | private final Set<Integer> mActiveHdmiSources = new HashSet<Integer>(); |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 56 | private final AudioManager mAudioManager; |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 57 | |
| 58 | private final Object mLock = new Object(); |
| 59 | |
| 60 | public TvInputHardwareManager(Context context) { |
| 61 | mContext = context; |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 62 | mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 63 | // TODO(hdmi): mHdmiManager = mContext.getSystemService(...); |
| 64 | // TODO(hdmi): mHdmiClient = mHdmiManager.getTvClient(); |
| 65 | mHal.init(); |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public void onDeviceAvailable( |
| 70 | TvInputHardwareInfo info, TvStreamConfig[] configs) { |
| 71 | synchronized (mLock) { |
| 72 | Connection connection = new Connection(info); |
| 73 | connection.updateConfigsLocked(configs); |
| 74 | mConnections.put(info.getDeviceId(), connection); |
| 75 | buildInfoListLocked(); |
| 76 | // TODO: notify if necessary |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | private void buildInfoListLocked() { |
| 81 | mInfoList.clear(); |
| 82 | for (int i = 0; i < mConnections.size(); ++i) { |
| 83 | mInfoList.add(mConnections.valueAt(i).getInfoLocked()); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public void onDeviceUnavailable(int deviceId) { |
| 89 | synchronized (mLock) { |
| 90 | Connection connection = mConnections.get(deviceId); |
| 91 | if (connection == null) { |
| 92 | Slog.e(TAG, "onDeviceUnavailable: Cannot find a connection with " + deviceId); |
| 93 | return; |
| 94 | } |
| 95 | connection.resetLocked(null, null, null, null); |
| 96 | mConnections.remove(deviceId); |
| 97 | buildInfoListLocked(); |
| 98 | // TODO: notify if necessary |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public void onStreamConfigurationChanged(int deviceId, TvStreamConfig[] configs) { |
| 104 | synchronized (mLock) { |
| 105 | Connection connection = mConnections.get(deviceId); |
| 106 | if (connection == null) { |
| 107 | Slog.e(TAG, "StreamConfigurationChanged: Cannot find a connection with " |
| 108 | + deviceId); |
| 109 | return; |
| 110 | } |
| 111 | connection.updateConfigsLocked(configs); |
| 112 | try { |
| 113 | connection.getCallbackLocked().onStreamConfigChanged(configs); |
| 114 | } catch (RemoteException e) { |
| 115 | Slog.e(TAG, "onStreamConfigurationChanged: " + e); |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | public List<TvInputHardwareInfo> getHardwareList() { |
| 121 | synchronized (mLock) { |
| 122 | return mInfoList; |
| 123 | } |
| 124 | } |
| 125 | |
Wonsik Kim | e7ae0ce | 2014-06-19 00:48:35 +0900 | [diff] [blame] | 126 | private boolean checkUidChangedLocked( |
| 127 | Connection connection, int callingUid, int resolvedUserId) { |
| 128 | Integer connectionCallingUid = connection.getCallingUidLocked(); |
| 129 | Integer connectionResolvedUserId = connection.getResolvedUserIdLocked(); |
| 130 | if (connectionCallingUid == null || connectionResolvedUserId == null) { |
| 131 | return true; |
| 132 | } |
| 133 | if (connectionCallingUid != callingUid || connectionResolvedUserId != resolvedUserId) { |
| 134 | return true; |
| 135 | } |
| 136 | return false; |
| 137 | } |
| 138 | |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 139 | /** |
| 140 | * Create a TvInputHardware object with a specific deviceId. One service at a time can access |
| 141 | * the object, and if more than one process attempts to create hardware with the same deviceId, |
| 142 | * the latest service will get the object and all the other hardware are released. The |
| 143 | * release is notified via ITvInputHardwareCallback.onReleased(). |
| 144 | */ |
| 145 | public ITvInputHardware acquireHardware(int deviceId, ITvInputHardwareCallback callback, |
| 146 | int callingUid, int resolvedUserId) { |
| 147 | if (callback == null) { |
| 148 | throw new NullPointerException(); |
| 149 | } |
| 150 | synchronized (mLock) { |
| 151 | Connection connection = mConnections.get(deviceId); |
| 152 | if (connection == null) { |
| 153 | Slog.e(TAG, "Invalid deviceId : " + deviceId); |
| 154 | return null; |
| 155 | } |
Wonsik Kim | e7ae0ce | 2014-06-19 00:48:35 +0900 | [diff] [blame] | 156 | if (checkUidChangedLocked(connection, callingUid, resolvedUserId)) { |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 157 | TvInputHardwareImpl hardware = new TvInputHardwareImpl(connection.getInfoLocked()); |
| 158 | try { |
| 159 | callback.asBinder().linkToDeath(connection, 0); |
| 160 | } catch (RemoteException e) { |
| 161 | hardware.release(); |
| 162 | return null; |
| 163 | } |
| 164 | connection.resetLocked(hardware, callback, callingUid, resolvedUserId); |
| 165 | } |
| 166 | return connection.getHardwareLocked(); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Release the specified hardware. |
| 172 | */ |
| 173 | public void releaseHardware(int deviceId, ITvInputHardware hardware, int callingUid, |
| 174 | int resolvedUserId) { |
| 175 | synchronized (mLock) { |
| 176 | Connection connection = mConnections.get(deviceId); |
| 177 | if (connection == null) { |
| 178 | Slog.e(TAG, "Invalid deviceId : " + deviceId); |
| 179 | return; |
| 180 | } |
| 181 | if (connection.getHardwareLocked() != hardware |
Wonsik Kim | e7ae0ce | 2014-06-19 00:48:35 +0900 | [diff] [blame] | 182 | || checkUidChangedLocked(connection, callingUid, resolvedUserId)) { |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 183 | return; |
| 184 | } |
| 185 | connection.resetLocked(null, null, null, null); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | private class Connection implements IBinder.DeathRecipient { |
| 190 | private final TvInputHardwareInfo mInfo; |
| 191 | private TvInputHardwareImpl mHardware = null; |
| 192 | private ITvInputHardwareCallback mCallback; |
| 193 | private TvStreamConfig[] mConfigs = null; |
| 194 | private Integer mCallingUid = null; |
| 195 | private Integer mResolvedUserId = null; |
| 196 | |
| 197 | public Connection(TvInputHardwareInfo info) { |
| 198 | mInfo = info; |
| 199 | } |
| 200 | |
| 201 | // *Locked methods assume TvInputHardwareManager.mLock is held. |
| 202 | |
| 203 | public void resetLocked(TvInputHardwareImpl hardware, |
| 204 | ITvInputHardwareCallback callback, Integer callingUid, Integer resolvedUserId) { |
| 205 | if (mHardware != null) { |
| 206 | try { |
| 207 | mCallback.onReleased(); |
| 208 | } catch (RemoteException e) { |
| 209 | Slog.e(TAG, "Connection::resetHardware: " + e); |
| 210 | } |
| 211 | mHardware.release(); |
| 212 | } |
| 213 | mHardware = hardware; |
| 214 | mCallback = callback; |
| 215 | mCallingUid = callingUid; |
| 216 | mResolvedUserId = resolvedUserId; |
| 217 | |
| 218 | if (mHardware != null && mCallback != null) { |
| 219 | try { |
| 220 | mCallback.onStreamConfigChanged(getConfigsLocked()); |
| 221 | } catch (RemoteException e) { |
| 222 | Slog.e(TAG, "Connection::resetHardware: " + e); |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | public void updateConfigsLocked(TvStreamConfig[] configs) { |
| 228 | mConfigs = configs; |
| 229 | } |
| 230 | |
| 231 | public TvInputHardwareInfo getInfoLocked() { |
| 232 | return mInfo; |
| 233 | } |
| 234 | |
| 235 | public ITvInputHardware getHardwareLocked() { |
| 236 | return mHardware; |
| 237 | } |
| 238 | |
| 239 | public ITvInputHardwareCallback getCallbackLocked() { |
| 240 | return mCallback; |
| 241 | } |
| 242 | |
| 243 | public TvStreamConfig[] getConfigsLocked() { |
| 244 | return mConfigs; |
| 245 | } |
| 246 | |
Wonsik Kim | e7ae0ce | 2014-06-19 00:48:35 +0900 | [diff] [blame] | 247 | public Integer getCallingUidLocked() { |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 248 | return mCallingUid; |
| 249 | } |
| 250 | |
Wonsik Kim | e7ae0ce | 2014-06-19 00:48:35 +0900 | [diff] [blame] | 251 | public Integer getResolvedUserIdLocked() { |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 252 | return mResolvedUserId; |
| 253 | } |
| 254 | |
| 255 | @Override |
| 256 | public void binderDied() { |
| 257 | synchronized (mLock) { |
| 258 | resetLocked(null, null, null, null); |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | private class TvInputHardwareImpl extends ITvInputHardware.Stub { |
| 264 | private final TvInputHardwareInfo mInfo; |
| 265 | private boolean mReleased = false; |
| 266 | private final Object mImplLock = new Object(); |
| 267 | |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 268 | private final AudioDevicePort mAudioSource; |
| 269 | private final AudioDevicePort mAudioSink; |
| 270 | private AudioPatch mAudioPatch = null; |
| 271 | |
Wonsik Kim | 839ae5f | 2014-07-03 19:06:56 +0900 | [diff] [blame^] | 272 | private TvStreamConfig mActiveConfig = null; |
| 273 | |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 274 | public TvInputHardwareImpl(TvInputHardwareInfo info) { |
| 275 | mInfo = info; |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 276 | AudioDevicePort audioSource = null; |
| 277 | AudioDevicePort audioSink = null; |
| 278 | if (mInfo.getAudioType() != AudioManager.DEVICE_NONE) { |
| 279 | ArrayList<AudioPort> devicePorts = new ArrayList<AudioPort>(); |
| 280 | if (mAudioManager.listAudioDevicePorts(devicePorts) == AudioManager.SUCCESS) { |
| 281 | // Find source |
| 282 | for (AudioPort port : devicePorts) { |
| 283 | AudioDevicePort devicePort = (AudioDevicePort) port; |
| 284 | if (devicePort.type() == mInfo.getAudioType() && |
| 285 | devicePort.address().equals(mInfo.getAudioAddress())) { |
| 286 | audioSource = devicePort; |
| 287 | break; |
| 288 | } |
| 289 | } |
| 290 | // Find sink |
| 291 | // TODO: App may want to specify sink device? |
| 292 | int sinkDevices = mAudioManager.getDevicesForStream(AudioManager.STREAM_MUSIC); |
| 293 | for (AudioPort port : devicePorts) { |
| 294 | AudioDevicePort devicePort = (AudioDevicePort) port; |
| 295 | if (devicePort.type() == sinkDevices) { |
| 296 | audioSink = devicePort; |
| 297 | break; |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | } |
| 302 | mAudioSource = audioSource; |
| 303 | mAudioSink = audioSink; |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | public void release() { |
| 307 | synchronized (mImplLock) { |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 308 | if (mAudioPatch != null) { |
| 309 | mAudioManager.releaseAudioPatch(mAudioPatch); |
| 310 | mAudioPatch = null; |
| 311 | } |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 312 | mReleased = true; |
| 313 | } |
| 314 | } |
| 315 | |
Wonsik Kim | 839ae5f | 2014-07-03 19:06:56 +0900 | [diff] [blame^] | 316 | // A TvInputHardwareImpl object holds only one active session. Therefore, if a client |
| 317 | // attempts to call setSurface with different TvStreamConfig objects, the last call will |
| 318 | // prevail. |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 319 | @Override |
| 320 | public boolean setSurface(Surface surface, TvStreamConfig config) |
| 321 | throws RemoteException { |
| 322 | synchronized (mImplLock) { |
| 323 | if (mReleased) { |
| 324 | throw new IllegalStateException("Device already released."); |
| 325 | } |
Wonsik Kim | 839ae5f | 2014-07-03 19:06:56 +0900 | [diff] [blame^] | 326 | if (surface != null && config == null) { |
| 327 | return false; |
| 328 | } |
| 329 | if (surface == null && mActiveConfig == null) { |
| 330 | return false; |
| 331 | } |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 332 | if (mInfo.getType() == TvInputHal.TYPE_HDMI) { |
| 333 | if (surface != null) { |
| 334 | // Set "Active Source" for HDMI. |
| 335 | // TODO(hdmi): mHdmiClient.deviceSelect(...); |
| 336 | mActiveHdmiSources.add(mInfo.getDeviceId()); |
| 337 | } else { |
| 338 | mActiveHdmiSources.remove(mInfo.getDeviceId()); |
| 339 | if (mActiveHdmiSources.size() == 0) { |
| 340 | // Tell HDMI that no HDMI source is active |
| 341 | // TODO(hdmi): mHdmiClient.portSelect(null); |
| 342 | } |
| 343 | } |
| 344 | } |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 345 | if (mAudioSource != null && mAudioSink != null) { |
| 346 | if (surface != null) { |
| 347 | AudioPortConfig sourceConfig = mAudioSource.activeConfig(); |
| 348 | AudioPortConfig sinkConfig = mAudioSink.activeConfig(); |
| 349 | AudioPatch[] audioPatchArray = new AudioPatch[] { mAudioPatch }; |
| 350 | // TODO: build config if activeConfig() == null |
| 351 | mAudioManager.createAudioPatch( |
| 352 | audioPatchArray, |
| 353 | new AudioPortConfig[] { sourceConfig }, |
| 354 | new AudioPortConfig[] { sinkConfig }); |
| 355 | mAudioPatch = audioPatchArray[0]; |
| 356 | } else { |
| 357 | mAudioManager.releaseAudioPatch(mAudioPatch); |
| 358 | mAudioPatch = null; |
| 359 | } |
| 360 | } |
Wonsik Kim | 839ae5f | 2014-07-03 19:06:56 +0900 | [diff] [blame^] | 361 | int result = TvInputHal.ERROR_UNKNOWN; |
| 362 | if (surface == null) { |
| 363 | result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); |
| 364 | mActiveConfig = null; |
| 365 | } else { |
| 366 | if (config != mActiveConfig && mActiveConfig != null) { |
| 367 | result = mHal.removeStream(mInfo.getDeviceId(), mActiveConfig); |
| 368 | if (result != TvInputHal.SUCCESS) { |
| 369 | mActiveConfig = null; |
| 370 | return false; |
| 371 | } |
| 372 | } |
| 373 | result = mHal.addStream(mInfo.getDeviceId(), surface, config); |
| 374 | if (result == TvInputHal.SUCCESS) { |
| 375 | mActiveConfig = config; |
| 376 | } |
| 377 | } |
| 378 | return result == TvInputHal.SUCCESS; |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 379 | } |
| 380 | } |
| 381 | |
| 382 | @Override |
| 383 | public void setVolume(float volume) throws RemoteException { |
| 384 | synchronized (mImplLock) { |
| 385 | if (mReleased) { |
| 386 | throw new IllegalStateException("Device already released."); |
| 387 | } |
| 388 | } |
Wonsik Kim | d7c2918 | 2014-05-27 10:38:21 +0900 | [diff] [blame] | 389 | // TODO: Use AudioGain? |
Wonsik Kim | c22dbb6 | 2014-05-26 02:26:04 +0000 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | @Override |
| 393 | public boolean dispatchKeyEventToHdmi(KeyEvent event) throws RemoteException { |
| 394 | synchronized (mImplLock) { |
| 395 | if (mReleased) { |
| 396 | throw new IllegalStateException("Device already released."); |
| 397 | } |
| 398 | } |
| 399 | if (mInfo.getType() != TvInputHal.TYPE_HDMI) { |
| 400 | return false; |
| 401 | } |
| 402 | // TODO(hdmi): mHdmiClient.sendKeyEvent(event); |
| 403 | return false; |
| 404 | } |
| 405 | } |
| 406 | } |