Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 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 | #define LOG_TAG "android.hardware.tv.tuner@1.1-Dvr" |
| 18 | |
| 19 | #include "Dvr.h" |
| 20 | #include <utils/Log.h> |
| 21 | |
| 22 | namespace android { |
| 23 | namespace hardware { |
| 24 | namespace tv { |
| 25 | namespace tuner { |
| 26 | namespace V1_0 { |
| 27 | namespace implementation { |
| 28 | |
| 29 | #define WAIT_TIMEOUT 3000000000 |
| 30 | |
| 31 | Dvr::Dvr() {} |
| 32 | |
| 33 | Dvr::Dvr(DvrType type, uint32_t bufferSize, const sp<IDvrCallback>& cb, sp<Demux> demux) { |
| 34 | mType = type; |
| 35 | mBufferSize = bufferSize; |
| 36 | mCallback = cb; |
| 37 | mDemux = demux; |
| 38 | } |
| 39 | |
Amy Zhang | 9d5289f | 2021-02-18 13:56:45 -0800 | [diff] [blame] | 40 | Dvr::~Dvr() { |
Patrick Rohr | 45eff32 | 2021-07-23 14:56:53 +0200 | [diff] [blame] | 41 | // make sure thread has joined |
| 42 | close(); |
Amy Zhang | 9d5289f | 2021-02-18 13:56:45 -0800 | [diff] [blame] | 43 | } |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 44 | |
| 45 | Return<void> Dvr::getQueueDesc(getQueueDesc_cb _hidl_cb) { |
| 46 | ALOGV("%s", __FUNCTION__); |
| 47 | |
| 48 | _hidl_cb(Result::SUCCESS, *mDvrMQ->getDesc()); |
| 49 | return Void(); |
| 50 | } |
| 51 | |
| 52 | Return<Result> Dvr::configure(const DvrSettings& settings) { |
| 53 | ALOGV("%s", __FUNCTION__); |
| 54 | |
| 55 | mDvrSettings = settings; |
| 56 | mDvrConfigured = true; |
| 57 | |
| 58 | return Result::SUCCESS; |
| 59 | } |
| 60 | |
| 61 | Return<Result> Dvr::attachFilter(const sp<V1_0::IFilter>& filter) { |
| 62 | ALOGV("%s", __FUNCTION__); |
| 63 | |
| 64 | uint64_t filterId; |
| 65 | Result status; |
| 66 | |
| 67 | sp<V1_1::IFilter> filter_v1_1 = V1_1::IFilter::castFrom(filter); |
| 68 | if (filter_v1_1 != NULL) { |
| 69 | filter_v1_1->getId64Bit([&](Result result, uint64_t id) { |
| 70 | filterId = id; |
| 71 | status = result; |
| 72 | }); |
| 73 | } else { |
| 74 | filter->getId([&](Result result, uint32_t id) { |
| 75 | filterId = id; |
| 76 | status = result; |
| 77 | }); |
| 78 | } |
| 79 | |
| 80 | if (status != Result::SUCCESS) { |
| 81 | return status; |
| 82 | } |
| 83 | |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 84 | if (!mDemux->attachRecordFilter(filterId)) { |
| 85 | return Result::INVALID_ARGUMENT; |
| 86 | } |
| 87 | |
| 88 | return Result::SUCCESS; |
| 89 | } |
| 90 | |
| 91 | Return<Result> Dvr::detachFilter(const sp<V1_0::IFilter>& filter) { |
| 92 | ALOGV("%s", __FUNCTION__); |
| 93 | |
| 94 | uint64_t filterId; |
| 95 | Result status; |
| 96 | |
| 97 | sp<V1_1::IFilter> filter_v1_1 = V1_1::IFilter::castFrom(filter); |
| 98 | if (filter_v1_1 != NULL) { |
| 99 | filter_v1_1->getId64Bit([&](Result result, uint64_t id) { |
| 100 | filterId = id; |
| 101 | status = result; |
| 102 | }); |
| 103 | } else { |
| 104 | filter->getId([&](Result result, uint32_t id) { |
| 105 | filterId = id; |
| 106 | status = result; |
| 107 | }); |
| 108 | } |
| 109 | |
| 110 | if (status != Result::SUCCESS) { |
| 111 | return status; |
| 112 | } |
| 113 | |
| 114 | if (!mDemux->detachRecordFilter(filterId)) { |
| 115 | return Result::INVALID_ARGUMENT; |
| 116 | } |
| 117 | |
| 118 | return Result::SUCCESS; |
| 119 | } |
| 120 | |
| 121 | Return<Result> Dvr::start() { |
| 122 | ALOGV("%s", __FUNCTION__); |
Amy Zhang | 9d5289f | 2021-02-18 13:56:45 -0800 | [diff] [blame] | 123 | if (mDvrThreadRunning) { |
| 124 | return Result::SUCCESS; |
| 125 | } |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 126 | |
| 127 | if (!mCallback) { |
| 128 | return Result::NOT_INITIALIZED; |
| 129 | } |
| 130 | |
| 131 | if (!mDvrConfigured) { |
| 132 | return Result::INVALID_STATE; |
| 133 | } |
| 134 | |
| 135 | if (mType == DvrType::PLAYBACK) { |
Amy Zhang | 9d5289f | 2021-02-18 13:56:45 -0800 | [diff] [blame] | 136 | mDvrThreadRunning = true; |
Patrick Rohr | 45eff32 | 2021-07-23 14:56:53 +0200 | [diff] [blame] | 137 | mDvrThread = std::thread(&Dvr::playbackThreadLoop, this); |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 138 | } else if (mType == DvrType::RECORD) { |
| 139 | mRecordStatus = RecordStatus::DATA_READY; |
| 140 | mDemux->setIsRecording(mType == DvrType::RECORD); |
| 141 | } |
| 142 | |
| 143 | // TODO start another thread to send filter status callback to the framework |
| 144 | |
| 145 | return Result::SUCCESS; |
| 146 | } |
| 147 | |
| 148 | Return<Result> Dvr::stop() { |
| 149 | ALOGV("%s", __FUNCTION__); |
| 150 | |
| 151 | mDvrThreadRunning = false; |
Patrick Rohr | 45eff32 | 2021-07-23 14:56:53 +0200 | [diff] [blame] | 152 | if (mDvrThread.joinable()) { |
| 153 | mDvrThread.join(); |
| 154 | } |
| 155 | // thread should always be joinable if it is running, |
| 156 | // so it should be safe to assume recording stopped. |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 157 | mDemux->setIsRecording(false); |
| 158 | |
| 159 | return Result::SUCCESS; |
| 160 | } |
| 161 | |
| 162 | Return<Result> Dvr::flush() { |
| 163 | ALOGV("%s", __FUNCTION__); |
| 164 | |
| 165 | mRecordStatus = RecordStatus::DATA_READY; |
| 166 | |
| 167 | return Result::SUCCESS; |
| 168 | } |
| 169 | |
| 170 | Return<Result> Dvr::close() { |
| 171 | ALOGV("%s", __FUNCTION__); |
Patrick Rohr | 45eff32 | 2021-07-23 14:56:53 +0200 | [diff] [blame] | 172 | stop(); |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 173 | return Result::SUCCESS; |
| 174 | } |
| 175 | |
| 176 | bool Dvr::createDvrMQ() { |
| 177 | ALOGV("%s", __FUNCTION__); |
| 178 | |
| 179 | // Create a synchronized FMQ that supports blocking read/write |
| 180 | unique_ptr<DvrMQ> tmpDvrMQ = unique_ptr<DvrMQ>(new (nothrow) DvrMQ(mBufferSize, true)); |
| 181 | if (!tmpDvrMQ->isValid()) { |
| 182 | ALOGW("[Dvr] Failed to create FMQ of DVR"); |
| 183 | return false; |
| 184 | } |
| 185 | |
| 186 | mDvrMQ = move(tmpDvrMQ); |
| 187 | |
| 188 | if (EventFlag::createEventFlag(mDvrMQ->getEventFlagWord(), &mDvrEventFlag) != OK) { |
| 189 | return false; |
| 190 | } |
| 191 | |
| 192 | return true; |
| 193 | } |
| 194 | |
| 195 | EventFlag* Dvr::getDvrEventFlag() { |
| 196 | return mDvrEventFlag; |
| 197 | } |
| 198 | |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 199 | void Dvr::playbackThreadLoop() { |
| 200 | ALOGD("[Dvr] playback threadLoop start."); |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 201 | |
| 202 | while (mDvrThreadRunning) { |
| 203 | uint32_t efState = 0; |
| 204 | status_t status = |
| 205 | mDvrEventFlag->wait(static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_READY), |
| 206 | &efState, WAIT_TIMEOUT, true /* retry on spurious wake */); |
| 207 | if (status != OK) { |
| 208 | ALOGD("[Dvr] wait for data ready on the playback FMQ"); |
| 209 | continue; |
| 210 | } |
| 211 | |
Amy Zhang | 160a72c | 2021-04-24 21:15:26 -0700 | [diff] [blame] | 212 | // If the both dvr playback and dvr record are created, the playback will be treated as |
| 213 | // the source of the record. isVirtualFrontend set to true would direct the dvr playback |
| 214 | // input to the demux record filters or live broadcast filters. |
| 215 | bool isRecording = mDemux->isRecording(); |
| 216 | bool isVirtualFrontend = isRecording; |
| 217 | |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 218 | if (mDvrSettings.playback().dataFormat == DataFormat::ES) { |
Amy Zhang | 160a72c | 2021-04-24 21:15:26 -0700 | [diff] [blame] | 219 | if (!processEsDataOnPlayback(isVirtualFrontend, isRecording)) { |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 220 | ALOGE("[Dvr] playback es data failed to be filtered. Ending thread"); |
| 221 | break; |
| 222 | } |
| 223 | maySendPlaybackStatusCallback(); |
Amy Zhang | 68afca6 | 2020-07-20 18:28:58 -0700 | [diff] [blame] | 224 | continue; |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 225 | } |
Amy Zhang | 160a72c | 2021-04-24 21:15:26 -0700 | [diff] [blame] | 226 | |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 227 | // Our current implementation filter the data and write it into the filter FMQ immediately |
| 228 | // after the DATA_READY from the VTS/framework |
Amy Zhang | 68afca6 | 2020-07-20 18:28:58 -0700 | [diff] [blame] | 229 | // This is for the non-ES data source, real playback use case handling. |
Amy Zhang | 160a72c | 2021-04-24 21:15:26 -0700 | [diff] [blame] | 230 | if (!readPlaybackFMQ(isVirtualFrontend, isRecording) || |
| 231 | !startFilterDispatcher(isVirtualFrontend, isRecording)) { |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 232 | ALOGE("[Dvr] playback data failed to be filtered. Ending thread"); |
| 233 | break; |
| 234 | } |
| 235 | |
| 236 | maySendPlaybackStatusCallback(); |
| 237 | } |
| 238 | |
| 239 | mDvrThreadRunning = false; |
| 240 | ALOGD("[Dvr] playback thread ended."); |
| 241 | } |
| 242 | |
| 243 | void Dvr::maySendPlaybackStatusCallback() { |
| 244 | lock_guard<mutex> lock(mPlaybackStatusLock); |
| 245 | int availableToRead = mDvrMQ->availableToRead(); |
| 246 | int availableToWrite = mDvrMQ->availableToWrite(); |
| 247 | |
| 248 | PlaybackStatus newStatus = checkPlaybackStatusChange(availableToWrite, availableToRead, |
| 249 | mDvrSettings.playback().highThreshold, |
| 250 | mDvrSettings.playback().lowThreshold); |
| 251 | if (mPlaybackStatus != newStatus) { |
| 252 | mCallback->onPlaybackStatus(newStatus); |
| 253 | mPlaybackStatus = newStatus; |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | PlaybackStatus Dvr::checkPlaybackStatusChange(uint32_t availableToWrite, uint32_t availableToRead, |
| 258 | uint32_t highThreshold, uint32_t lowThreshold) { |
| 259 | if (availableToWrite == 0) { |
| 260 | return PlaybackStatus::SPACE_FULL; |
| 261 | } else if (availableToRead > highThreshold) { |
| 262 | return PlaybackStatus::SPACE_ALMOST_FULL; |
| 263 | } else if (availableToRead < lowThreshold) { |
| 264 | return PlaybackStatus::SPACE_ALMOST_EMPTY; |
| 265 | } else if (availableToRead == 0) { |
| 266 | return PlaybackStatus::SPACE_EMPTY; |
| 267 | } |
| 268 | return mPlaybackStatus; |
| 269 | } |
| 270 | |
| 271 | bool Dvr::readPlaybackFMQ(bool isVirtualFrontend, bool isRecording) { |
| 272 | // Read playback data from the input FMQ |
| 273 | int size = mDvrMQ->availableToRead(); |
| 274 | int playbackPacketSize = mDvrSettings.playback().packetSize; |
| 275 | vector<uint8_t> dataOutputBuffer; |
| 276 | dataOutputBuffer.resize(playbackPacketSize); |
| 277 | // Dispatch the packet to the PID matching filter output buffer |
| 278 | for (int i = 0; i < size / playbackPacketSize; i++) { |
| 279 | if (!mDvrMQ->read(dataOutputBuffer.data(), playbackPacketSize)) { |
| 280 | return false; |
| 281 | } |
| 282 | if (isVirtualFrontend) { |
| 283 | if (isRecording) { |
| 284 | mDemux->sendFrontendInputToRecord(dataOutputBuffer); |
| 285 | } else { |
| 286 | mDemux->startBroadcastTsFilter(dataOutputBuffer); |
| 287 | } |
| 288 | } else { |
| 289 | startTpidFilter(dataOutputBuffer); |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | return true; |
| 294 | } |
| 295 | |
| 296 | bool Dvr::processEsDataOnPlayback(bool isVirtualFrontend, bool isRecording) { |
| 297 | // Read ES from the DVR FMQ |
| 298 | // Note that currently we only provides ES with metaData in a specific format to be parsed. |
| 299 | // The ES size should be smaller than the Playback FMQ size to avoid reading truncated data. |
| 300 | int size = mDvrMQ->availableToRead(); |
| 301 | vector<uint8_t> dataOutputBuffer; |
| 302 | dataOutputBuffer.resize(size); |
| 303 | if (!mDvrMQ->read(dataOutputBuffer.data(), size)) { |
| 304 | return false; |
| 305 | } |
| 306 | |
| 307 | int metaDataSize = size; |
| 308 | int totalFrames = 0; |
| 309 | int videoEsDataSize = 0; |
| 310 | int audioEsDataSize = 0; |
| 311 | int audioPid = 0; |
| 312 | int videoPid = 0; |
| 313 | |
| 314 | vector<MediaEsMetaData> esMeta; |
| 315 | int videoReadPointer = 0; |
| 316 | int audioReadPointer = 0; |
| 317 | int frameCount = 0; |
| 318 | // Get meta data from the es |
| 319 | for (int i = 0; i < metaDataSize; i++) { |
| 320 | switch (dataOutputBuffer[i]) { |
| 321 | case 'm': |
| 322 | metaDataSize = 0; |
| 323 | getMetaDataValue(i, dataOutputBuffer.data(), metaDataSize); |
| 324 | videoReadPointer = metaDataSize; |
| 325 | continue; |
| 326 | case 'l': |
| 327 | getMetaDataValue(i, dataOutputBuffer.data(), totalFrames); |
| 328 | esMeta.resize(totalFrames); |
| 329 | continue; |
| 330 | case 'V': |
| 331 | getMetaDataValue(i, dataOutputBuffer.data(), videoEsDataSize); |
| 332 | audioReadPointer = metaDataSize + videoEsDataSize; |
| 333 | continue; |
| 334 | case 'A': |
| 335 | getMetaDataValue(i, dataOutputBuffer.data(), audioEsDataSize); |
| 336 | continue; |
| 337 | case 'p': |
| 338 | if (dataOutputBuffer[++i] == 'a') { |
| 339 | getMetaDataValue(i, dataOutputBuffer.data(), audioPid); |
| 340 | } else if (dataOutputBuffer[i] == 'v') { |
| 341 | getMetaDataValue(i, dataOutputBuffer.data(), videoPid); |
| 342 | } |
| 343 | continue; |
| 344 | case 'v': |
| 345 | case 'a': |
| 346 | if (dataOutputBuffer[i + 1] != ',') { |
| 347 | ALOGE("[Dvr] Invalid format meta data."); |
| 348 | return false; |
| 349 | } |
| 350 | esMeta[frameCount] = { |
| 351 | .isAudio = dataOutputBuffer[i] == 'a' ? true : false, |
| 352 | }; |
| 353 | i += 5; // Move to Len |
| 354 | getMetaDataValue(i, dataOutputBuffer.data(), esMeta[frameCount].len); |
| 355 | if (esMeta[frameCount].isAudio) { |
| 356 | esMeta[frameCount].startIndex = audioReadPointer; |
| 357 | audioReadPointer += esMeta[frameCount].len; |
| 358 | } else { |
| 359 | esMeta[frameCount].startIndex = videoReadPointer; |
| 360 | videoReadPointer += esMeta[frameCount].len; |
| 361 | } |
| 362 | i += 4; // move to PTS |
| 363 | getMetaDataValue(i, dataOutputBuffer.data(), esMeta[frameCount].pts); |
| 364 | frameCount++; |
| 365 | continue; |
| 366 | default: |
| 367 | continue; |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | if (frameCount != totalFrames) { |
| 372 | ALOGE("[Dvr] Invalid meta data, frameCount=%d, totalFrames reported=%d", frameCount, |
| 373 | totalFrames); |
| 374 | return false; |
| 375 | } |
| 376 | |
| 377 | if (metaDataSize + audioEsDataSize + videoEsDataSize != size) { |
| 378 | ALOGE("[Dvr] Invalid meta data, metaSize=%d, videoSize=%d, audioSize=%d, totolSize=%d", |
| 379 | metaDataSize, videoEsDataSize, audioEsDataSize, size); |
| 380 | return false; |
| 381 | } |
| 382 | |
| 383 | // Read es raw data from the FMQ per meta data built previously |
| 384 | vector<uint8_t> frameData; |
| 385 | map<uint64_t, sp<IFilter>>::iterator it; |
| 386 | int pid = 0; |
| 387 | for (int i = 0; i < totalFrames; i++) { |
| 388 | frameData.resize(esMeta[i].len); |
| 389 | pid = esMeta[i].isAudio ? audioPid : videoPid; |
Amy Zhang | 68afca6 | 2020-07-20 18:28:58 -0700 | [diff] [blame] | 390 | memcpy(frameData.data(), dataOutputBuffer.data() + esMeta[i].startIndex, esMeta[i].len); |
| 391 | // Send to the media filters or record filters |
| 392 | if (!isRecording) { |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 393 | for (it = mFilters.begin(); it != mFilters.end(); it++) { |
| 394 | if (pid == mDemux->getFilterTpid(it->first)) { |
| 395 | mDemux->updateMediaFilterOutput(it->first, frameData, |
| 396 | static_cast<uint64_t>(esMeta[i].pts)); |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 397 | } |
| 398 | } |
Amy Zhang | 68afca6 | 2020-07-20 18:28:58 -0700 | [diff] [blame] | 399 | } else { |
| 400 | mDemux->sendFrontendInputToRecord(frameData, pid, static_cast<uint64_t>(esMeta[i].pts)); |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 401 | } |
Amy Zhang | 68afca6 | 2020-07-20 18:28:58 -0700 | [diff] [blame] | 402 | startFilterDispatcher(isVirtualFrontend, isRecording); |
Amy Zhang | 990ee76 | 2020-07-30 17:24:37 -0700 | [diff] [blame] | 403 | frameData.clear(); |
Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame] | 404 | } |
| 405 | |
| 406 | return true; |
| 407 | } |
| 408 | |
| 409 | void Dvr::getMetaDataValue(int& index, uint8_t* dataOutputBuffer, int& value) { |
| 410 | index += 2; // Move the pointer across the ":" to the value |
| 411 | while (dataOutputBuffer[index] != ',' && dataOutputBuffer[index] != '\n') { |
| 412 | value = ((dataOutputBuffer[index++] - 48) + value * 10); |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | void Dvr::startTpidFilter(vector<uint8_t> data) { |
| 417 | map<uint64_t, sp<IFilter>>::iterator it; |
| 418 | for (it = mFilters.begin(); it != mFilters.end(); it++) { |
| 419 | uint16_t pid = ((data[1] & 0x1f) << 8) | ((data[2] & 0xff)); |
| 420 | if (DEBUG_DVR) { |
| 421 | ALOGW("[Dvr] start ts filter pid: %d", pid); |
| 422 | } |
| 423 | if (pid == mDemux->getFilterTpid(it->first)) { |
| 424 | mDemux->updateFilterOutput(it->first, data); |
| 425 | } |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | bool Dvr::startFilterDispatcher(bool isVirtualFrontend, bool isRecording) { |
| 430 | if (isVirtualFrontend) { |
| 431 | if (isRecording) { |
| 432 | return mDemux->startRecordFilterDispatcher(); |
| 433 | } else { |
| 434 | return mDemux->startBroadcastFilterDispatcher(); |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | map<uint64_t, sp<IFilter>>::iterator it; |
| 439 | // Handle the output data per filter type |
| 440 | for (it = mFilters.begin(); it != mFilters.end(); it++) { |
| 441 | if (mDemux->startFilterHandler(it->first) != Result::SUCCESS) { |
| 442 | return false; |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | return true; |
| 447 | } |
| 448 | |
| 449 | bool Dvr::writeRecordFMQ(const vector<uint8_t>& data) { |
| 450 | lock_guard<mutex> lock(mWriteLock); |
| 451 | if (mRecordStatus == RecordStatus::OVERFLOW) { |
| 452 | ALOGW("[Dvr] stops writing and wait for the client side flushing."); |
| 453 | return true; |
| 454 | } |
| 455 | if (mDvrMQ->write(data.data(), data.size())) { |
| 456 | mDvrEventFlag->wake(static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_READY)); |
| 457 | maySendRecordStatusCallback(); |
| 458 | return true; |
| 459 | } |
| 460 | |
| 461 | maySendRecordStatusCallback(); |
| 462 | return false; |
| 463 | } |
| 464 | |
| 465 | void Dvr::maySendRecordStatusCallback() { |
| 466 | lock_guard<mutex> lock(mRecordStatusLock); |
| 467 | int availableToRead = mDvrMQ->availableToRead(); |
| 468 | int availableToWrite = mDvrMQ->availableToWrite(); |
| 469 | |
| 470 | RecordStatus newStatus = checkRecordStatusChange(availableToWrite, availableToRead, |
| 471 | mDvrSettings.record().highThreshold, |
| 472 | mDvrSettings.record().lowThreshold); |
| 473 | if (mRecordStatus != newStatus) { |
| 474 | mCallback->onRecordStatus(newStatus); |
| 475 | mRecordStatus = newStatus; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | RecordStatus Dvr::checkRecordStatusChange(uint32_t availableToWrite, uint32_t availableToRead, |
| 480 | uint32_t highThreshold, uint32_t lowThreshold) { |
| 481 | if (availableToWrite == 0) { |
| 482 | return DemuxFilterStatus::OVERFLOW; |
| 483 | } else if (availableToRead > highThreshold) { |
| 484 | return DemuxFilterStatus::HIGH_WATER; |
| 485 | } else if (availableToRead < lowThreshold) { |
| 486 | return DemuxFilterStatus::LOW_WATER; |
| 487 | } |
| 488 | return mRecordStatus; |
| 489 | } |
| 490 | |
| 491 | bool Dvr::addPlaybackFilter(uint64_t filterId, sp<IFilter> filter) { |
| 492 | mFilters[filterId] = filter; |
| 493 | return true; |
| 494 | } |
| 495 | |
| 496 | bool Dvr::removePlaybackFilter(uint64_t filterId) { |
| 497 | mFilters.erase(filterId); |
| 498 | return true; |
| 499 | } |
| 500 | } // namespace implementation |
| 501 | } // namespace V1_0 |
| 502 | } // namespace tuner |
| 503 | } // namespace tv |
| 504 | } // namespace hardware |
| 505 | } // namespace android |