Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [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 "DvrClient" |
| 18 | |
| 19 | #include <android-base/logging.h> |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 20 | #include <fmq/ConvertMQDescriptors.h> |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 21 | #include <utils/Log.h> |
| 22 | |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 23 | #include "ClientHelper.h" |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 24 | #include "DvrClient.h" |
| 25 | |
| 26 | using ::android::hardware::tv::tuner::V1_0::DemuxQueueNotifyBits; |
| 27 | using ::android::hardware::tv::tuner::V1_0::Result; |
| 28 | |
| 29 | namespace android { |
| 30 | |
| 31 | /////////////// DvrClient /////////////////////// |
| 32 | |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 33 | DvrClient::DvrClient(shared_ptr<ITunerDvr> tunerDvr) { |
| 34 | mTunerDvr = tunerDvr; |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 35 | mFd = -1; |
| 36 | mDvrMQ = NULL; |
| 37 | mDvrMQEventFlag = NULL; |
| 38 | } |
| 39 | |
| 40 | DvrClient::~DvrClient() { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 41 | mTunerDvr = NULL; |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 42 | mDvr = NULL; |
| 43 | mFd = -1; |
| 44 | mDvrMQ = NULL; |
| 45 | mDvrMQEventFlag = NULL; |
| 46 | } |
| 47 | |
| 48 | // TODO: remove after migration to Tuner Service is done. |
| 49 | void DvrClient::setHidlDvr(sp<IDvr> dvr) { |
| 50 | mDvr = dvr; |
| 51 | } |
| 52 | |
| 53 | void DvrClient::setFd(int fd) { |
| 54 | mFd = fd; |
| 55 | } |
| 56 | |
| 57 | long DvrClient::readFromFile(long size) { |
| 58 | if (mDvrMQ == NULL || mDvrMQEventFlag == NULL) { |
| 59 | ALOGE("Failed to readFromFile. DVR mq is not configured"); |
| 60 | return -1; |
| 61 | } |
| 62 | if (mFd < 0) { |
| 63 | ALOGE("Failed to readFromFile. File is not configured"); |
| 64 | return -1; |
| 65 | } |
| 66 | |
| 67 | long available = mDvrMQ->availableToWrite(); |
| 68 | long write = min(size, available); |
| 69 | |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 70 | AidlMQ::MemTransaction tx; |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 71 | long ret = 0; |
| 72 | if (mDvrMQ->beginWrite(write, &tx)) { |
| 73 | auto first = tx.getFirstRegion(); |
| 74 | auto data = first.getAddress(); |
| 75 | long length = first.getLength(); |
| 76 | long firstToWrite = min(length, write); |
| 77 | ret = read(mFd, data, firstToWrite); |
| 78 | |
| 79 | if (ret < 0) { |
| 80 | ALOGE("Failed to read from FD: %s", strerror(errno)); |
| 81 | return -1; |
| 82 | } |
| 83 | if (ret < firstToWrite) { |
| 84 | ALOGW("file to MQ, first region: %ld bytes to write, but %ld bytes written", |
| 85 | firstToWrite, ret); |
| 86 | } else if (firstToWrite < write) { |
| 87 | ALOGD("write second region: %ld bytes written, %ld bytes in total", ret, write); |
| 88 | auto second = tx.getSecondRegion(); |
| 89 | data = second.getAddress(); |
| 90 | length = second.getLength(); |
| 91 | int secondToWrite = std::min(length, write - firstToWrite); |
| 92 | ret += read(mFd, data, secondToWrite); |
| 93 | } |
| 94 | ALOGD("file to MQ: %ld bytes need to be written, %ld bytes written", write, ret); |
| 95 | if (!mDvrMQ->commitWrite(ret)) { |
| 96 | ALOGE("Error: failed to commit write!"); |
| 97 | return -1; |
| 98 | } |
| 99 | } else { |
| 100 | ALOGE("dvrMq.beginWrite failed"); |
| 101 | } |
| 102 | |
| 103 | if (ret > 0) { |
| 104 | mDvrMQEventFlag->wake(static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_READY)); |
| 105 | } |
| 106 | return ret; |
| 107 | } |
| 108 | |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 109 | long DvrClient::readFromBuffer(int8_t* buffer, long size) { |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 110 | if (mDvrMQ == NULL || mDvrMQEventFlag == NULL) { |
| 111 | ALOGE("Failed to readFromBuffer. DVR mq is not configured"); |
| 112 | return -1; |
| 113 | } |
| 114 | if (buffer == nullptr) { |
| 115 | ALOGE("Failed to readFromBuffer. Buffer can't be null"); |
| 116 | return -1; |
| 117 | } |
| 118 | |
| 119 | long available = mDvrMQ->availableToWrite(); |
| 120 | size = min(size, available); |
| 121 | |
| 122 | if (mDvrMQ->write(buffer, size)) { |
| 123 | mDvrMQEventFlag->wake(static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_READY)); |
| 124 | } else { |
| 125 | ALOGD("Failed to write FMQ"); |
| 126 | return -1; |
| 127 | } |
| 128 | return size; |
| 129 | } |
| 130 | |
| 131 | long DvrClient::writeToFile(long size) { |
| 132 | if (mDvrMQ == NULL || mDvrMQEventFlag == NULL) { |
| 133 | ALOGE("Failed to writeToFile. DVR mq is not configured"); |
| 134 | return -1; |
| 135 | } |
| 136 | if (mFd < 0) { |
| 137 | ALOGE("Failed to writeToFile. File is not configured"); |
| 138 | return -1; |
| 139 | } |
| 140 | |
| 141 | long available = mDvrMQ->availableToRead(); |
| 142 | long toRead = min(size, available); |
| 143 | |
| 144 | long ret = 0; |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 145 | AidlMQ::MemTransaction tx; |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 146 | if (mDvrMQ->beginRead(toRead, &tx)) { |
| 147 | auto first = tx.getFirstRegion(); |
| 148 | auto data = first.getAddress(); |
| 149 | long length = first.getLength(); |
| 150 | long firstToRead = std::min(length, toRead); |
| 151 | ret = write(mFd, data, firstToRead); |
| 152 | |
| 153 | if (ret < 0) { |
| 154 | ALOGE("Failed to write to FD: %s", strerror(errno)); |
| 155 | return -1; |
| 156 | } |
| 157 | if (ret < firstToRead) { |
| 158 | ALOGW("MQ to file: %ld bytes read, but %ld bytes written", firstToRead, ret); |
| 159 | } else if (firstToRead < toRead) { |
| 160 | ALOGD("read second region: %ld bytes read, %ld bytes in total", ret, toRead); |
| 161 | auto second = tx.getSecondRegion(); |
| 162 | data = second.getAddress(); |
| 163 | length = second.getLength(); |
| 164 | int secondToRead = toRead - firstToRead; |
| 165 | ret += write(mFd, data, secondToRead); |
| 166 | } |
| 167 | ALOGD("MQ to file: %ld bytes to be read, %ld bytes written", toRead, ret); |
| 168 | if (!mDvrMQ->commitRead(ret)) { |
| 169 | ALOGE("Error: failed to commit read!"); |
| 170 | return 0; |
| 171 | } |
| 172 | } else { |
| 173 | ALOGE("dvrMq.beginRead failed"); |
| 174 | } |
| 175 | if (ret > 0) { |
| 176 | mDvrMQEventFlag->wake(static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_CONSUMED)); |
| 177 | } |
| 178 | |
| 179 | return ret; |
| 180 | } |
| 181 | |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 182 | long DvrClient::writeToBuffer(int8_t* buffer, long size) { |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 183 | if (mDvrMQ == NULL || mDvrMQEventFlag == NULL) { |
| 184 | ALOGE("Failed to writetoBuffer. DVR mq is not configured"); |
| 185 | return -1; |
| 186 | } |
| 187 | if (buffer == nullptr) { |
| 188 | ALOGE("Failed to writetoBuffer. Buffer can't be null"); |
| 189 | return -1; |
| 190 | } |
| 191 | |
| 192 | long available = mDvrMQ->availableToRead(); |
| 193 | size = min(size, available); |
| 194 | |
| 195 | if (mDvrMQ->read(buffer, size)) { |
| 196 | mDvrMQEventFlag->wake(static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_CONSUMED)); |
| 197 | } else { |
| 198 | ALOGD("Failed to write FMQ"); |
| 199 | return -1; |
| 200 | } |
| 201 | return size; |
| 202 | } |
| 203 | |
| 204 | Result DvrClient::configure(DvrSettings settings) { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 205 | if (mTunerDvr != NULL) { |
| 206 | TunerDvrSettings dvrSettings = getAidlDvrSettingsFromHidl(settings); |
| 207 | Status s = mTunerDvr->configure(dvrSettings); |
| 208 | Result res = ClientHelper::getServiceSpecificErrorCode(s); |
| 209 | if (res != Result::SUCCESS) { |
| 210 | return res; |
| 211 | } |
| 212 | |
Amy Zhang | b5809be | 2021-01-26 16:27:23 -0800 | [diff] [blame] | 213 | AidlMQDesc aidlMqDesc; |
| 214 | s = mTunerDvr->getQueueDesc(&aidlMqDesc); |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 215 | res = ClientHelper::getServiceSpecificErrorCode(s); |
| 216 | if (res != Result::SUCCESS) { |
| 217 | return res; |
| 218 | } |
Amy Zhang | b5809be | 2021-01-26 16:27:23 -0800 | [diff] [blame] | 219 | mDvrMQ = new (nothrow) AidlMQ(aidlMqDesc); |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 220 | EventFlag::createEventFlag(mDvrMQ->getEventFlagWord(), &mDvrMQEventFlag); |
| 221 | return res; |
| 222 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 223 | |
| 224 | if (mDvr != NULL) { |
| 225 | Result res = mDvr->configure(settings); |
| 226 | if (res == Result::SUCCESS) { |
| 227 | MQDescriptorSync<uint8_t> dvrMQDesc; |
| 228 | res = getQueueDesc(dvrMQDesc); |
| 229 | if (res == Result::SUCCESS) { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 230 | AidlMQDesc aidlMQDesc; |
| 231 | unsafeHidlToAidlMQDescriptor<uint8_t, int8_t, SynchronizedReadWrite>( |
| 232 | dvrMQDesc, &aidlMQDesc); |
| 233 | mDvrMQ = new (nothrow) AidlMessageQueue(aidlMQDesc); |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 234 | EventFlag::createEventFlag(mDvrMQ->getEventFlagWord(), &mDvrMQEventFlag); |
| 235 | } |
| 236 | } |
| 237 | return res; |
| 238 | } |
| 239 | |
| 240 | return Result::INVALID_STATE; |
| 241 | } |
| 242 | |
| 243 | Result DvrClient::attachFilter(sp<FilterClient> filterClient) { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 244 | if (mTunerDvr != NULL) { |
| 245 | Status s = mTunerDvr->attachFilter(filterClient->getAidlFilter()); |
| 246 | return ClientHelper::getServiceSpecificErrorCode(s); |
| 247 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 248 | |
| 249 | if (mDvr != NULL) { |
| 250 | sp<IFilter> hidlFilter = filterClient->getHalFilter(); |
| 251 | if (hidlFilter == NULL) { |
| 252 | return Result::INVALID_ARGUMENT; |
| 253 | } |
| 254 | return mDvr->attachFilter(hidlFilter); |
| 255 | } |
| 256 | |
| 257 | return Result::INVALID_STATE; |
| 258 | } |
| 259 | |
| 260 | Result DvrClient::detachFilter(sp<FilterClient> filterClient) { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 261 | if (mTunerDvr != NULL) { |
| 262 | Status s = mTunerDvr->detachFilter(filterClient->getAidlFilter()); |
| 263 | return ClientHelper::getServiceSpecificErrorCode(s); |
| 264 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 265 | |
| 266 | if (mDvr != NULL) { |
| 267 | sp<IFilter> hidlFilter = filterClient->getHalFilter(); |
| 268 | if (hidlFilter == NULL) { |
| 269 | return Result::INVALID_ARGUMENT; |
| 270 | } |
| 271 | return mDvr->detachFilter(hidlFilter); |
| 272 | } |
| 273 | |
| 274 | return Result::INVALID_STATE; |
| 275 | } |
| 276 | |
| 277 | Result DvrClient::start() { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 278 | if (mTunerDvr != NULL) { |
| 279 | Status s = mTunerDvr->start(); |
| 280 | return ClientHelper::getServiceSpecificErrorCode(s); |
| 281 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 282 | |
| 283 | if (mDvr != NULL) { |
| 284 | return mDvr->start(); |
| 285 | } |
| 286 | |
| 287 | return Result::INVALID_STATE; |
| 288 | } |
| 289 | |
| 290 | Result DvrClient::stop() { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 291 | if (mTunerDvr != NULL) { |
| 292 | Status s = mTunerDvr->stop(); |
| 293 | return ClientHelper::getServiceSpecificErrorCode(s); |
| 294 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 295 | |
| 296 | if (mDvr != NULL) { |
| 297 | return mDvr->stop(); |
| 298 | } |
| 299 | |
| 300 | return Result::INVALID_STATE; |
| 301 | } |
| 302 | |
| 303 | Result DvrClient::flush() { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 304 | if (mTunerDvr != NULL) { |
| 305 | Status s = mTunerDvr->flush(); |
| 306 | return ClientHelper::getServiceSpecificErrorCode(s); |
| 307 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 308 | |
| 309 | if (mDvr != NULL) { |
| 310 | return mDvr->flush(); |
| 311 | } |
| 312 | |
| 313 | return Result::INVALID_STATE; |
| 314 | } |
| 315 | |
| 316 | Result DvrClient::close() { |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 317 | if (mTunerDvr != NULL) { |
| 318 | Status s = mTunerDvr->close(); |
Amy Zhang | ec3b487 | 2021-02-11 15:38:20 -0800 | [diff] [blame] | 319 | mTunerDvr = NULL; |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 320 | return ClientHelper::getServiceSpecificErrorCode(s); |
| 321 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 322 | |
| 323 | if (mDvr != NULL) { |
| 324 | Result res = mDvr->close(); |
Amy Zhang | ec3b487 | 2021-02-11 15:38:20 -0800 | [diff] [blame] | 325 | mDvr = NULL; |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 326 | return res; |
| 327 | } |
| 328 | |
| 329 | return Result::INVALID_STATE; |
| 330 | } |
| 331 | |
| 332 | /////////////// IDvrCallback /////////////////////// |
| 333 | |
| 334 | HidlDvrCallback::HidlDvrCallback(sp<DvrClientCallback> dvrClientCallback) |
| 335 | : mDvrClientCallback(dvrClientCallback) {} |
| 336 | |
| 337 | Return<void> HidlDvrCallback::onRecordStatus(const RecordStatus status) { |
| 338 | if (mDvrClientCallback != NULL) { |
| 339 | mDvrClientCallback->onRecordStatus(status); |
| 340 | } |
| 341 | return Void(); |
| 342 | } |
| 343 | |
| 344 | Return<void> HidlDvrCallback::onPlaybackStatus(const PlaybackStatus status) { |
| 345 | if (mDvrClientCallback != NULL) { |
| 346 | mDvrClientCallback->onPlaybackStatus(status); |
| 347 | } |
| 348 | return Void(); |
| 349 | } |
| 350 | |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 351 | /////////////// TunerDvrCallback /////////////////////// |
| 352 | |
| 353 | TunerDvrCallback::TunerDvrCallback(sp<DvrClientCallback> dvrClientCallback) |
| 354 | : mDvrClientCallback(dvrClientCallback) {} |
| 355 | |
| 356 | Status TunerDvrCallback::onRecordStatus(int status) { |
| 357 | if (mDvrClientCallback != NULL) { |
| 358 | mDvrClientCallback->onRecordStatus(static_cast<RecordStatus>(status)); |
| 359 | return Status::ok(); |
| 360 | } |
| 361 | return Status::fromServiceSpecificError(static_cast<int32_t>(Result::INVALID_STATE)); |
| 362 | } |
| 363 | |
| 364 | Status TunerDvrCallback::onPlaybackStatus(int status) { |
| 365 | if (mDvrClientCallback != NULL) { |
| 366 | mDvrClientCallback->onPlaybackStatus(static_cast<PlaybackStatus>(status)); |
| 367 | return Status::ok(); |
| 368 | } |
| 369 | return Status::fromServiceSpecificError(static_cast<int32_t>(Result::INVALID_STATE)); |
| 370 | } |
| 371 | |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 372 | /////////////// DvrClient Helper Methods /////////////////////// |
| 373 | |
| 374 | Result DvrClient::getQueueDesc(MQDesc& dvrMQDesc) { |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 375 | if (mDvr != NULL) { |
| 376 | Result res = Result::UNKNOWN_ERROR; |
| 377 | mDvr->getQueueDesc([&](Result r, const MQDesc& desc) { |
| 378 | dvrMQDesc = desc; |
| 379 | res = r; |
| 380 | }); |
| 381 | return res; |
| 382 | } |
| 383 | |
| 384 | return Result::INVALID_STATE; |
| 385 | } |
Amy Zhang | 2d7026b | 2021-01-22 18:07:51 -0800 | [diff] [blame] | 386 | |
| 387 | TunerDvrSettings DvrClient::getAidlDvrSettingsFromHidl(DvrSettings settings) { |
| 388 | TunerDvrSettings s; |
| 389 | switch (settings.getDiscriminator()) { |
| 390 | case DvrSettings::hidl_discriminator::record: { |
| 391 | s.statusMask = static_cast<int>(settings.record().statusMask); |
| 392 | s.lowThreshold = static_cast<int>(settings.record().lowThreshold); |
| 393 | s.highThreshold = static_cast<int>(settings.record().highThreshold); |
| 394 | s.dataFormat = static_cast<int>(settings.record().dataFormat); |
| 395 | s.packetSize = static_cast<int>(settings.record().packetSize); |
| 396 | return s; |
| 397 | } |
| 398 | case DvrSettings::hidl_discriminator::playback: { |
| 399 | s.statusMask = static_cast<int>(settings.playback().statusMask); |
| 400 | s.lowThreshold = static_cast<int>(settings.playback().lowThreshold); |
| 401 | s.highThreshold = static_cast<int>(settings.playback().highThreshold); |
| 402 | s.dataFormat = static_cast<int>(settings.playback().dataFormat); |
| 403 | s.packetSize = static_cast<int>(settings.playback().packetSize); |
| 404 | return s; |
| 405 | } |
| 406 | default: |
| 407 | break; |
| 408 | } |
| 409 | return s; |
| 410 | } |
Amy Zhang | 9a9ed60 | 2020-12-07 16:37:33 -0800 | [diff] [blame] | 411 | } // namespace android |