Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 1 | /* |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 2 | * Copyright 2017 The Android Open Source Project |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 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_NDEBUG 0 |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 18 | #define LOG_TAG "RTSPSource2" |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 19 | #include <utils/Log.h> |
| 20 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 21 | #include "RTSPSource2.h" |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 22 | |
| 23 | #include "AnotherPacketSource.h" |
| 24 | #include "MyHandler.h" |
| 25 | #include "SDPLoader.h" |
| 26 | |
| 27 | #include <media/MediaHTTPService.h> |
| 28 | #include <media/stagefright/MediaDefs.h> |
| 29 | #include <media/stagefright/MetaData.h> |
| 30 | |
| 31 | namespace android { |
| 32 | |
| 33 | const int64_t kNearEOSTimeoutUs = 2000000ll; // 2 secs |
| 34 | |
| 35 | // Default Buffer Underflow/Prepare/StartServer/Overflow Marks |
| 36 | static const int kUnderflowMarkMs = 1000; // 1 second |
| 37 | static const int kPrepareMarkMs = 3000; // 3 seconds |
| 38 | //static const int kStartServerMarkMs = 5000; |
| 39 | static const int kOverflowMarkMs = 10000; // 10 seconds |
| 40 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 41 | NuPlayer2::RTSPSource2::RTSPSource2( |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 42 | const sp<AMessage> ¬ify, |
| 43 | const sp<MediaHTTPService> &httpService, |
| 44 | const char *url, |
| 45 | const KeyedVector<String8, String8> *headers, |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 46 | uid_t uid, |
| 47 | bool isSDP) |
| 48 | : Source(notify), |
| 49 | mHTTPService(httpService), |
| 50 | mURL(url), |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 51 | mUID(uid), |
| 52 | mFlags(0), |
| 53 | mIsSDP(isSDP), |
| 54 | mState(DISCONNECTED), |
| 55 | mFinalResult(OK), |
| 56 | mDisconnectReplyID(0), |
| 57 | mBuffering(false), |
| 58 | mInPreparationPhase(true), |
| 59 | mEOSPending(false), |
| 60 | mSeekGeneration(0), |
| 61 | mEOSTimeoutAudio(0), |
| 62 | mEOSTimeoutVideo(0) { |
| 63 | mBufferingSettings.mInitialMarkMs = kPrepareMarkMs; |
| 64 | mBufferingSettings.mResumePlaybackMarkMs = kOverflowMarkMs; |
| 65 | if (headers) { |
| 66 | mExtraHeaders = *headers; |
| 67 | |
| 68 | ssize_t index = |
| 69 | mExtraHeaders.indexOfKey(String8("x-hide-urls-from-log")); |
| 70 | |
| 71 | if (index >= 0) { |
| 72 | mFlags |= kFlagIncognito; |
| 73 | |
| 74 | mExtraHeaders.removeItemsAt(index); |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 79 | NuPlayer2::RTSPSource2::~RTSPSource2() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 80 | if (mLooper != NULL) { |
| 81 | mLooper->unregisterHandler(id()); |
| 82 | mLooper->stop(); |
| 83 | } |
| 84 | } |
| 85 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 86 | status_t NuPlayer2::RTSPSource2::getBufferingSettings( |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 87 | BufferingSettings* buffering /* nonnull */) { |
| 88 | Mutex::Autolock _l(mBufferingSettingsLock); |
| 89 | *buffering = mBufferingSettings; |
| 90 | return OK; |
| 91 | } |
| 92 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 93 | status_t NuPlayer2::RTSPSource2::setBufferingSettings(const BufferingSettings& buffering) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 94 | Mutex::Autolock _l(mBufferingSettingsLock); |
| 95 | mBufferingSettings = buffering; |
| 96 | return OK; |
| 97 | } |
| 98 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 99 | void NuPlayer2::RTSPSource2::prepareAsync() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 100 | if (mIsSDP && mHTTPService == NULL) { |
| 101 | notifyPrepared(BAD_VALUE); |
| 102 | return; |
| 103 | } |
| 104 | |
| 105 | if (mLooper == NULL) { |
| 106 | mLooper = new ALooper; |
| 107 | mLooper->setName("rtsp"); |
| 108 | mLooper->start(); |
| 109 | |
| 110 | mLooper->registerHandler(this); |
| 111 | } |
| 112 | |
| 113 | CHECK(mHandler == NULL); |
| 114 | CHECK(mSDPLoader == NULL); |
| 115 | |
| 116 | sp<AMessage> notify = new AMessage(kWhatNotify, this); |
| 117 | |
| 118 | CHECK_EQ(mState, (int)DISCONNECTED); |
| 119 | mState = CONNECTING; |
| 120 | |
| 121 | if (mIsSDP) { |
| 122 | mSDPLoader = new SDPLoader(notify, |
| 123 | (mFlags & kFlagIncognito) ? SDPLoader::kFlagIncognito : 0, |
| 124 | mHTTPService); |
| 125 | |
| 126 | mSDPLoader->load( |
| 127 | mURL.c_str(), mExtraHeaders.isEmpty() ? NULL : &mExtraHeaders); |
| 128 | } else { |
Wei Jia | 003fdb5 | 2018-02-06 14:44:32 -0800 | [diff] [blame^] | 129 | mHandler = new MyHandler(mURL.c_str(), notify, true /* uidValid */, mUID); |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 130 | mLooper->registerHandler(mHandler); |
| 131 | |
| 132 | mHandler->connect(); |
| 133 | } |
| 134 | |
| 135 | startBufferingIfNecessary(); |
| 136 | } |
| 137 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 138 | void NuPlayer2::RTSPSource2::start() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 139 | } |
| 140 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 141 | void NuPlayer2::RTSPSource2::stop() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 142 | if (mLooper == NULL) { |
| 143 | return; |
| 144 | } |
| 145 | sp<AMessage> msg = new AMessage(kWhatDisconnect, this); |
| 146 | |
| 147 | sp<AMessage> dummy; |
| 148 | msg->postAndAwaitResponse(&dummy); |
| 149 | } |
| 150 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 151 | status_t NuPlayer2::RTSPSource2::feedMoreTSData() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 152 | Mutex::Autolock _l(mBufferingLock); |
| 153 | return mFinalResult; |
| 154 | } |
| 155 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 156 | sp<MetaData> NuPlayer2::RTSPSource2::getFormatMeta(bool audio) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 157 | sp<AnotherPacketSource> source = getSource(audio); |
| 158 | |
| 159 | if (source == NULL) { |
| 160 | return NULL; |
| 161 | } |
| 162 | |
| 163 | return source->getFormat(); |
| 164 | } |
| 165 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 166 | bool NuPlayer2::RTSPSource2::haveSufficientDataOnAllTracks() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 167 | // We're going to buffer at least 2 secs worth data on all tracks before |
| 168 | // starting playback (both at startup and after a seek). |
| 169 | |
| 170 | static const int64_t kMinDurationUs = 2000000ll; |
| 171 | |
| 172 | int64_t mediaDurationUs = 0; |
| 173 | getDuration(&mediaDurationUs); |
| 174 | if ((mAudioTrack != NULL && mAudioTrack->isFinished(mediaDurationUs)) |
| 175 | || (mVideoTrack != NULL && mVideoTrack->isFinished(mediaDurationUs))) { |
| 176 | return true; |
| 177 | } |
| 178 | |
| 179 | status_t err; |
| 180 | int64_t durationUs; |
| 181 | if (mAudioTrack != NULL |
| 182 | && (durationUs = mAudioTrack->getBufferedDurationUs(&err)) |
| 183 | < kMinDurationUs |
| 184 | && err == OK) { |
| 185 | ALOGV("audio track doesn't have enough data yet. (%.2f secs buffered)", |
| 186 | durationUs / 1E6); |
| 187 | return false; |
| 188 | } |
| 189 | |
| 190 | if (mVideoTrack != NULL |
| 191 | && (durationUs = mVideoTrack->getBufferedDurationUs(&err)) |
| 192 | < kMinDurationUs |
| 193 | && err == OK) { |
| 194 | ALOGV("video track doesn't have enough data yet. (%.2f secs buffered)", |
| 195 | durationUs / 1E6); |
| 196 | return false; |
| 197 | } |
| 198 | |
| 199 | return true; |
| 200 | } |
| 201 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 202 | status_t NuPlayer2::RTSPSource2::dequeueAccessUnit( |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 203 | bool audio, sp<ABuffer> *accessUnit) { |
| 204 | if (!stopBufferingIfNecessary()) { |
| 205 | return -EWOULDBLOCK; |
| 206 | } |
| 207 | |
| 208 | sp<AnotherPacketSource> source = getSource(audio); |
| 209 | |
| 210 | if (source == NULL) { |
| 211 | return -EWOULDBLOCK; |
| 212 | } |
| 213 | |
| 214 | status_t finalResult; |
| 215 | if (!source->hasBufferAvailable(&finalResult)) { |
| 216 | if (finalResult == OK) { |
| 217 | |
| 218 | // If other source already signaled EOS, this source should also return EOS |
| 219 | if (sourceReachedEOS(!audio)) { |
| 220 | return ERROR_END_OF_STREAM; |
| 221 | } |
| 222 | |
| 223 | // If this source has detected near end, give it some time to retrieve more |
| 224 | // data before returning EOS |
| 225 | int64_t mediaDurationUs = 0; |
| 226 | getDuration(&mediaDurationUs); |
| 227 | if (source->isFinished(mediaDurationUs)) { |
| 228 | int64_t eosTimeout = audio ? mEOSTimeoutAudio : mEOSTimeoutVideo; |
| 229 | if (eosTimeout == 0) { |
| 230 | setEOSTimeout(audio, ALooper::GetNowUs()); |
| 231 | } else if ((ALooper::GetNowUs() - eosTimeout) > kNearEOSTimeoutUs) { |
| 232 | setEOSTimeout(audio, 0); |
| 233 | return ERROR_END_OF_STREAM; |
| 234 | } |
| 235 | return -EWOULDBLOCK; |
| 236 | } |
| 237 | |
| 238 | if (!sourceNearEOS(!audio)) { |
| 239 | // We should not enter buffering mode |
| 240 | // if any of the sources already have detected EOS. |
| 241 | startBufferingIfNecessary(); |
| 242 | } |
| 243 | |
| 244 | return -EWOULDBLOCK; |
| 245 | } |
| 246 | return finalResult; |
| 247 | } |
| 248 | |
| 249 | setEOSTimeout(audio, 0); |
| 250 | |
| 251 | return source->dequeueAccessUnit(accessUnit); |
| 252 | } |
| 253 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 254 | sp<AnotherPacketSource> NuPlayer2::RTSPSource2::getSource(bool audio) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 255 | if (mTSParser != NULL) { |
| 256 | sp<MediaSource> source = mTSParser->getSource( |
| 257 | audio ? ATSParser::AUDIO : ATSParser::VIDEO); |
| 258 | |
| 259 | return static_cast<AnotherPacketSource *>(source.get()); |
| 260 | } |
| 261 | |
| 262 | return audio ? mAudioTrack : mVideoTrack; |
| 263 | } |
| 264 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 265 | void NuPlayer2::RTSPSource2::setEOSTimeout(bool audio, int64_t timeout) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 266 | if (audio) { |
| 267 | mEOSTimeoutAudio = timeout; |
| 268 | } else { |
| 269 | mEOSTimeoutVideo = timeout; |
| 270 | } |
| 271 | } |
| 272 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 273 | status_t NuPlayer2::RTSPSource2::getDuration(int64_t *durationUs) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 274 | *durationUs = -1ll; |
| 275 | |
| 276 | int64_t audioDurationUs; |
| 277 | if (mAudioTrack != NULL |
| 278 | && mAudioTrack->getFormat()->findInt64( |
| 279 | kKeyDuration, &audioDurationUs) |
| 280 | && audioDurationUs > *durationUs) { |
| 281 | *durationUs = audioDurationUs; |
| 282 | } |
| 283 | |
| 284 | int64_t videoDurationUs; |
| 285 | if (mVideoTrack != NULL |
| 286 | && mVideoTrack->getFormat()->findInt64( |
| 287 | kKeyDuration, &videoDurationUs) |
| 288 | && videoDurationUs > *durationUs) { |
| 289 | *durationUs = videoDurationUs; |
| 290 | } |
| 291 | |
| 292 | return OK; |
| 293 | } |
| 294 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 295 | status_t NuPlayer2::RTSPSource2::seekTo(int64_t seekTimeUs, MediaPlayer2SeekMode mode) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 296 | sp<AMessage> msg = new AMessage(kWhatPerformSeek, this); |
| 297 | msg->setInt32("generation", ++mSeekGeneration); |
| 298 | msg->setInt64("timeUs", seekTimeUs); |
| 299 | msg->setInt32("mode", mode); |
| 300 | |
| 301 | sp<AMessage> response; |
| 302 | status_t err = msg->postAndAwaitResponse(&response); |
| 303 | if (err == OK && response != NULL) { |
| 304 | CHECK(response->findInt32("err", &err)); |
| 305 | } |
| 306 | |
| 307 | return err; |
| 308 | } |
| 309 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 310 | void NuPlayer2::RTSPSource2::performSeek(int64_t seekTimeUs) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 311 | if (mState != CONNECTED) { |
| 312 | finishSeek(INVALID_OPERATION); |
| 313 | return; |
| 314 | } |
| 315 | |
| 316 | mState = SEEKING; |
| 317 | mHandler->seek(seekTimeUs); |
| 318 | mEOSPending = false; |
| 319 | } |
| 320 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 321 | void NuPlayer2::RTSPSource2::schedulePollBuffering() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 322 | sp<AMessage> msg = new AMessage(kWhatPollBuffering, this); |
| 323 | msg->post(1000000ll); // 1 second intervals |
| 324 | } |
| 325 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 326 | void NuPlayer2::RTSPSource2::checkBuffering( |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 327 | bool *prepared, bool *underflow, bool *overflow, bool *startServer, bool *finished) { |
| 328 | size_t numTracks = mTracks.size(); |
| 329 | size_t preparedCount, underflowCount, overflowCount, startCount, finishedCount; |
| 330 | preparedCount = underflowCount = overflowCount = startCount = finishedCount = 0; |
| 331 | |
| 332 | size_t count = numTracks; |
| 333 | for (size_t i = 0; i < count; ++i) { |
| 334 | status_t finalResult; |
| 335 | TrackInfo *info = &mTracks.editItemAt(i); |
| 336 | sp<AnotherPacketSource> src = info->mSource; |
| 337 | if (src == NULL) { |
| 338 | --numTracks; |
| 339 | continue; |
| 340 | } |
| 341 | int64_t bufferedDurationUs = src->getBufferedDurationUs(&finalResult); |
| 342 | |
| 343 | int64_t initialMarkUs; |
| 344 | int64_t maxRebufferingMarkUs; |
| 345 | { |
| 346 | Mutex::Autolock _l(mBufferingSettingsLock); |
| 347 | initialMarkUs = mBufferingSettings.mInitialMarkMs * 1000ll; |
| 348 | // TODO: maxRebufferingMarkUs could be larger than |
| 349 | // mBufferingSettings.mResumePlaybackMarkMs * 1000ll. |
| 350 | maxRebufferingMarkUs = mBufferingSettings.mResumePlaybackMarkMs * 1000ll; |
| 351 | } |
| 352 | // isFinished when duration is 0 checks for EOS result only |
| 353 | if (bufferedDurationUs > initialMarkUs |
| 354 | || src->isFinished(/* duration */ 0)) { |
| 355 | ++preparedCount; |
| 356 | } |
| 357 | |
| 358 | if (src->isFinished(/* duration */ 0)) { |
| 359 | ++overflowCount; |
| 360 | ++finishedCount; |
| 361 | } else { |
| 362 | // TODO: redefine kUnderflowMarkMs to a fair value, |
| 363 | if (bufferedDurationUs < kUnderflowMarkMs * 1000) { |
| 364 | ++underflowCount; |
| 365 | } |
| 366 | if (bufferedDurationUs > maxRebufferingMarkUs) { |
| 367 | ++overflowCount; |
| 368 | } |
| 369 | int64_t startServerMarkUs = |
| 370 | (kUnderflowMarkMs * 1000ll + maxRebufferingMarkUs) / 2; |
| 371 | if (bufferedDurationUs < startServerMarkUs) { |
| 372 | ++startCount; |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | *prepared = (preparedCount == numTracks); |
| 378 | *underflow = (underflowCount > 0); |
| 379 | *overflow = (overflowCount == numTracks); |
| 380 | *startServer = (startCount > 0); |
| 381 | *finished = (finishedCount > 0); |
| 382 | } |
| 383 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 384 | void NuPlayer2::RTSPSource2::onPollBuffering() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 385 | bool prepared, underflow, overflow, startServer, finished; |
| 386 | checkBuffering(&prepared, &underflow, &overflow, &startServer, &finished); |
| 387 | |
| 388 | if (prepared && mInPreparationPhase) { |
| 389 | mInPreparationPhase = false; |
| 390 | notifyPrepared(); |
| 391 | } |
| 392 | |
| 393 | if (!mInPreparationPhase && underflow) { |
| 394 | startBufferingIfNecessary(); |
| 395 | } |
| 396 | |
| 397 | if (haveSufficientDataOnAllTracks()) { |
| 398 | stopBufferingIfNecessary(); |
| 399 | } |
| 400 | |
| 401 | if (overflow && mHandler != NULL) { |
| 402 | mHandler->pause(); |
| 403 | } |
| 404 | |
| 405 | if (startServer && mHandler != NULL) { |
| 406 | mHandler->resume(); |
| 407 | } |
| 408 | |
| 409 | if (finished && mHandler != NULL) { |
| 410 | mHandler->cancelAccessUnitTimeoutCheck(); |
| 411 | } |
| 412 | |
| 413 | schedulePollBuffering(); |
| 414 | } |
| 415 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 416 | void NuPlayer2::RTSPSource2::signalSourceEOS(status_t result) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 417 | const bool audio = true; |
| 418 | const bool video = false; |
| 419 | |
| 420 | sp<AnotherPacketSource> source = getSource(audio); |
| 421 | if (source != NULL) { |
| 422 | source->signalEOS(result); |
| 423 | } |
| 424 | |
| 425 | source = getSource(video); |
| 426 | if (source != NULL) { |
| 427 | source->signalEOS(result); |
| 428 | } |
| 429 | } |
| 430 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 431 | bool NuPlayer2::RTSPSource2::sourceReachedEOS(bool audio) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 432 | sp<AnotherPacketSource> source = getSource(audio); |
| 433 | status_t finalResult; |
| 434 | return (source != NULL && |
| 435 | !source->hasBufferAvailable(&finalResult) && |
| 436 | finalResult == ERROR_END_OF_STREAM); |
| 437 | } |
| 438 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 439 | bool NuPlayer2::RTSPSource2::sourceNearEOS(bool audio) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 440 | sp<AnotherPacketSource> source = getSource(audio); |
| 441 | int64_t mediaDurationUs = 0; |
| 442 | getDuration(&mediaDurationUs); |
| 443 | return (source != NULL && source->isFinished(mediaDurationUs)); |
| 444 | } |
| 445 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 446 | void NuPlayer2::RTSPSource2::onSignalEOS(const sp<AMessage> &msg) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 447 | int32_t generation; |
| 448 | CHECK(msg->findInt32("generation", &generation)); |
| 449 | |
| 450 | if (generation != mSeekGeneration) { |
| 451 | return; |
| 452 | } |
| 453 | |
| 454 | if (mEOSPending) { |
| 455 | signalSourceEOS(ERROR_END_OF_STREAM); |
| 456 | mEOSPending = false; |
| 457 | } |
| 458 | } |
| 459 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 460 | void NuPlayer2::RTSPSource2::postSourceEOSIfNecessary() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 461 | const bool audio = true; |
| 462 | const bool video = false; |
| 463 | // If a source has detected near end, give it some time to retrieve more |
| 464 | // data before signaling EOS |
| 465 | if (sourceNearEOS(audio) || sourceNearEOS(video)) { |
| 466 | if (!mEOSPending) { |
| 467 | sp<AMessage> msg = new AMessage(kWhatSignalEOS, this); |
| 468 | msg->setInt32("generation", mSeekGeneration); |
| 469 | msg->post(kNearEOSTimeoutUs); |
| 470 | mEOSPending = true; |
| 471 | } |
| 472 | } |
| 473 | } |
| 474 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 475 | void NuPlayer2::RTSPSource2::onMessageReceived(const sp<AMessage> &msg) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 476 | if (msg->what() == kWhatDisconnect) { |
| 477 | sp<AReplyToken> replyID; |
| 478 | CHECK(msg->senderAwaitsResponse(&replyID)); |
| 479 | |
| 480 | mDisconnectReplyID = replyID; |
| 481 | finishDisconnectIfPossible(); |
| 482 | return; |
| 483 | } else if (msg->what() == kWhatPerformSeek) { |
| 484 | int32_t generation; |
| 485 | CHECK(msg->findInt32("generation", &generation)); |
| 486 | CHECK(msg->senderAwaitsResponse(&mSeekReplyID)); |
| 487 | |
| 488 | if (generation != mSeekGeneration) { |
| 489 | // obsolete. |
| 490 | finishSeek(OK); |
| 491 | return; |
| 492 | } |
| 493 | |
| 494 | int64_t seekTimeUs; |
| 495 | int32_t mode; |
| 496 | CHECK(msg->findInt64("timeUs", &seekTimeUs)); |
| 497 | CHECK(msg->findInt32("mode", &mode)); |
| 498 | |
| 499 | // TODO: add "mode" to performSeek. |
| 500 | performSeek(seekTimeUs/*, (MediaPlayer2SeekMode)mode */); |
| 501 | return; |
| 502 | } else if (msg->what() == kWhatPollBuffering) { |
| 503 | onPollBuffering(); |
| 504 | return; |
| 505 | } else if (msg->what() == kWhatSignalEOS) { |
| 506 | onSignalEOS(msg); |
| 507 | return; |
| 508 | } |
| 509 | |
| 510 | CHECK_EQ(msg->what(), kWhatNotify); |
| 511 | |
| 512 | int32_t what; |
| 513 | CHECK(msg->findInt32("what", &what)); |
| 514 | |
| 515 | switch (what) { |
| 516 | case MyHandler::kWhatConnected: |
| 517 | { |
| 518 | onConnected(); |
| 519 | |
| 520 | notifyVideoSizeChanged(); |
| 521 | |
| 522 | uint32_t flags = 0; |
| 523 | |
| 524 | if (mHandler->isSeekable()) { |
| 525 | flags = FLAG_CAN_PAUSE |
| 526 | | FLAG_CAN_SEEK |
| 527 | | FLAG_CAN_SEEK_BACKWARD |
| 528 | | FLAG_CAN_SEEK_FORWARD; |
| 529 | } |
| 530 | |
| 531 | notifyFlagsChanged(flags); |
| 532 | schedulePollBuffering(); |
| 533 | break; |
| 534 | } |
| 535 | |
| 536 | case MyHandler::kWhatDisconnected: |
| 537 | { |
| 538 | onDisconnected(msg); |
| 539 | break; |
| 540 | } |
| 541 | |
| 542 | case MyHandler::kWhatSeekDone: |
| 543 | { |
| 544 | mState = CONNECTED; |
| 545 | // Unblock seekTo here in case we attempted to seek in a live stream |
| 546 | finishSeek(OK); |
| 547 | break; |
| 548 | } |
| 549 | |
| 550 | case MyHandler::kWhatSeekPaused: |
| 551 | { |
| 552 | sp<AnotherPacketSource> source = getSource(true /* audio */); |
| 553 | if (source != NULL) { |
| 554 | source->queueDiscontinuity(ATSParser::DISCONTINUITY_NONE, |
| 555 | /* extra */ NULL, |
| 556 | /* discard */ true); |
| 557 | } |
| 558 | source = getSource(false /* video */); |
| 559 | if (source != NULL) { |
| 560 | source->queueDiscontinuity(ATSParser::DISCONTINUITY_NONE, |
| 561 | /* extra */ NULL, |
| 562 | /* discard */ true); |
| 563 | }; |
| 564 | |
| 565 | status_t err = OK; |
| 566 | msg->findInt32("err", &err); |
| 567 | |
| 568 | if (err == OK) { |
| 569 | int64_t timeUs; |
| 570 | CHECK(msg->findInt64("time", &timeUs)); |
| 571 | mHandler->continueSeekAfterPause(timeUs); |
| 572 | } else { |
| 573 | finishSeek(err); |
| 574 | } |
| 575 | break; |
| 576 | } |
| 577 | |
| 578 | case MyHandler::kWhatAccessUnit: |
| 579 | { |
| 580 | size_t trackIndex; |
| 581 | CHECK(msg->findSize("trackIndex", &trackIndex)); |
| 582 | |
| 583 | if (mTSParser == NULL) { |
| 584 | CHECK_LT(trackIndex, mTracks.size()); |
| 585 | } else { |
| 586 | CHECK_EQ(trackIndex, 0u); |
| 587 | } |
| 588 | |
| 589 | sp<ABuffer> accessUnit; |
| 590 | CHECK(msg->findBuffer("accessUnit", &accessUnit)); |
| 591 | |
| 592 | int32_t damaged; |
| 593 | if (accessUnit->meta()->findInt32("damaged", &damaged) |
| 594 | && damaged) { |
| 595 | ALOGI("dropping damaged access unit."); |
| 596 | break; |
| 597 | } |
| 598 | |
| 599 | if (mTSParser != NULL) { |
| 600 | size_t offset = 0; |
| 601 | status_t err = OK; |
| 602 | while (offset + 188 <= accessUnit->size()) { |
| 603 | err = mTSParser->feedTSPacket( |
| 604 | accessUnit->data() + offset, 188); |
| 605 | if (err != OK) { |
| 606 | break; |
| 607 | } |
| 608 | |
| 609 | offset += 188; |
| 610 | } |
| 611 | |
| 612 | if (offset < accessUnit->size()) { |
| 613 | err = ERROR_MALFORMED; |
| 614 | } |
| 615 | |
| 616 | if (err != OK) { |
| 617 | signalSourceEOS(err); |
| 618 | } |
| 619 | |
| 620 | postSourceEOSIfNecessary(); |
| 621 | break; |
| 622 | } |
| 623 | |
| 624 | TrackInfo *info = &mTracks.editItemAt(trackIndex); |
| 625 | |
| 626 | sp<AnotherPacketSource> source = info->mSource; |
| 627 | if (source != NULL) { |
| 628 | uint32_t rtpTime; |
| 629 | CHECK(accessUnit->meta()->findInt32("rtp-time", (int32_t *)&rtpTime)); |
| 630 | |
| 631 | if (!info->mNPTMappingValid) { |
| 632 | // This is a live stream, we didn't receive any normal |
| 633 | // playtime mapping. We won't map to npt time. |
| 634 | source->queueAccessUnit(accessUnit); |
| 635 | break; |
| 636 | } |
| 637 | |
| 638 | int64_t nptUs = |
| 639 | ((double)rtpTime - (double)info->mRTPTime) |
| 640 | / info->mTimeScale |
| 641 | * 1000000ll |
| 642 | + info->mNormalPlaytimeUs; |
| 643 | |
| 644 | accessUnit->meta()->setInt64("timeUs", nptUs); |
| 645 | |
| 646 | source->queueAccessUnit(accessUnit); |
| 647 | } |
| 648 | postSourceEOSIfNecessary(); |
| 649 | break; |
| 650 | } |
| 651 | |
| 652 | case MyHandler::kWhatEOS: |
| 653 | { |
| 654 | int32_t finalResult; |
| 655 | CHECK(msg->findInt32("finalResult", &finalResult)); |
| 656 | CHECK_NE(finalResult, (status_t)OK); |
| 657 | |
| 658 | if (mTSParser != NULL) { |
| 659 | signalSourceEOS(finalResult); |
| 660 | } |
| 661 | |
| 662 | size_t trackIndex; |
| 663 | CHECK(msg->findSize("trackIndex", &trackIndex)); |
| 664 | CHECK_LT(trackIndex, mTracks.size()); |
| 665 | |
| 666 | TrackInfo *info = &mTracks.editItemAt(trackIndex); |
| 667 | sp<AnotherPacketSource> source = info->mSource; |
| 668 | if (source != NULL) { |
| 669 | source->signalEOS(finalResult); |
| 670 | } |
| 671 | |
| 672 | break; |
| 673 | } |
| 674 | |
| 675 | case MyHandler::kWhatSeekDiscontinuity: |
| 676 | { |
| 677 | size_t trackIndex; |
| 678 | CHECK(msg->findSize("trackIndex", &trackIndex)); |
| 679 | CHECK_LT(trackIndex, mTracks.size()); |
| 680 | |
| 681 | TrackInfo *info = &mTracks.editItemAt(trackIndex); |
| 682 | sp<AnotherPacketSource> source = info->mSource; |
| 683 | if (source != NULL) { |
| 684 | source->queueDiscontinuity( |
| 685 | ATSParser::DISCONTINUITY_TIME, |
| 686 | NULL, |
| 687 | true /* discard */); |
| 688 | } |
| 689 | |
| 690 | break; |
| 691 | } |
| 692 | |
| 693 | case MyHandler::kWhatNormalPlayTimeMapping: |
| 694 | { |
| 695 | size_t trackIndex; |
| 696 | CHECK(msg->findSize("trackIndex", &trackIndex)); |
| 697 | CHECK_LT(trackIndex, mTracks.size()); |
| 698 | |
| 699 | uint32_t rtpTime; |
| 700 | CHECK(msg->findInt32("rtpTime", (int32_t *)&rtpTime)); |
| 701 | |
| 702 | int64_t nptUs; |
| 703 | CHECK(msg->findInt64("nptUs", &nptUs)); |
| 704 | |
| 705 | TrackInfo *info = &mTracks.editItemAt(trackIndex); |
| 706 | info->mRTPTime = rtpTime; |
| 707 | info->mNormalPlaytimeUs = nptUs; |
| 708 | info->mNPTMappingValid = true; |
| 709 | break; |
| 710 | } |
| 711 | |
| 712 | case SDPLoader::kWhatSDPLoaded: |
| 713 | { |
| 714 | onSDPLoaded(msg); |
| 715 | break; |
| 716 | } |
| 717 | |
| 718 | default: |
| 719 | TRESPASS(); |
| 720 | } |
| 721 | } |
| 722 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 723 | void NuPlayer2::RTSPSource2::onConnected() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 724 | CHECK(mAudioTrack == NULL); |
| 725 | CHECK(mVideoTrack == NULL); |
| 726 | |
| 727 | size_t numTracks = mHandler->countTracks(); |
| 728 | for (size_t i = 0; i < numTracks; ++i) { |
| 729 | int32_t timeScale; |
| 730 | sp<MetaData> format = mHandler->getTrackFormat(i, &timeScale); |
| 731 | |
| 732 | const char *mime; |
| 733 | CHECK(format->findCString(kKeyMIMEType, &mime)); |
| 734 | |
| 735 | if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) { |
| 736 | // Very special case for MPEG2 Transport Streams. |
| 737 | CHECK_EQ(numTracks, 1u); |
| 738 | |
| 739 | mTSParser = new ATSParser; |
| 740 | return; |
| 741 | } |
| 742 | |
| 743 | bool isAudio = !strncasecmp(mime, "audio/", 6); |
| 744 | bool isVideo = !strncasecmp(mime, "video/", 6); |
| 745 | |
| 746 | TrackInfo info; |
| 747 | info.mTimeScale = timeScale; |
| 748 | info.mRTPTime = 0; |
| 749 | info.mNormalPlaytimeUs = 0ll; |
| 750 | info.mNPTMappingValid = false; |
| 751 | |
| 752 | if ((isAudio && mAudioTrack == NULL) |
| 753 | || (isVideo && mVideoTrack == NULL)) { |
| 754 | sp<AnotherPacketSource> source = new AnotherPacketSource(format); |
| 755 | |
| 756 | if (isAudio) { |
| 757 | mAudioTrack = source; |
| 758 | } else { |
| 759 | mVideoTrack = source; |
| 760 | } |
| 761 | |
| 762 | info.mSource = source; |
| 763 | } |
| 764 | |
| 765 | mTracks.push(info); |
| 766 | } |
| 767 | |
| 768 | mState = CONNECTED; |
| 769 | } |
| 770 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 771 | void NuPlayer2::RTSPSource2::onSDPLoaded(const sp<AMessage> &msg) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 772 | status_t err; |
| 773 | CHECK(msg->findInt32("result", &err)); |
| 774 | |
| 775 | mSDPLoader.clear(); |
| 776 | |
| 777 | if (mDisconnectReplyID != 0) { |
| 778 | err = UNKNOWN_ERROR; |
| 779 | } |
| 780 | |
| 781 | if (err == OK) { |
| 782 | sp<ASessionDescription> desc; |
| 783 | sp<RefBase> obj; |
| 784 | CHECK(msg->findObject("description", &obj)); |
| 785 | desc = static_cast<ASessionDescription *>(obj.get()); |
| 786 | |
| 787 | AString rtspUri; |
| 788 | if (!desc->findAttribute(0, "a=control", &rtspUri)) { |
| 789 | ALOGE("Unable to find url in SDP"); |
| 790 | err = UNKNOWN_ERROR; |
| 791 | } else { |
| 792 | sp<AMessage> notify = new AMessage(kWhatNotify, this); |
| 793 | |
Wei Jia | 003fdb5 | 2018-02-06 14:44:32 -0800 | [diff] [blame^] | 794 | mHandler = new MyHandler(rtspUri.c_str(), notify, true /* uidValid */, mUID); |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 795 | mLooper->registerHandler(mHandler); |
| 796 | |
| 797 | mHandler->loadSDP(desc); |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | if (err != OK) { |
| 802 | if (mState == CONNECTING) { |
| 803 | // We're still in the preparation phase, signal that it |
| 804 | // failed. |
| 805 | notifyPrepared(err); |
| 806 | } |
| 807 | |
| 808 | mState = DISCONNECTED; |
| 809 | setError(err); |
| 810 | |
| 811 | if (mDisconnectReplyID != 0) { |
| 812 | finishDisconnectIfPossible(); |
| 813 | } |
| 814 | } |
| 815 | } |
| 816 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 817 | void NuPlayer2::RTSPSource2::onDisconnected(const sp<AMessage> &msg) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 818 | if (mState == DISCONNECTED) { |
| 819 | return; |
| 820 | } |
| 821 | |
| 822 | status_t err; |
| 823 | CHECK(msg->findInt32("result", &err)); |
| 824 | CHECK_NE(err, (status_t)OK); |
| 825 | |
| 826 | mLooper->unregisterHandler(mHandler->id()); |
| 827 | mHandler.clear(); |
| 828 | |
| 829 | if (mState == CONNECTING) { |
| 830 | // We're still in the preparation phase, signal that it |
| 831 | // failed. |
| 832 | notifyPrepared(err); |
| 833 | } |
| 834 | |
| 835 | mState = DISCONNECTED; |
| 836 | setError(err); |
| 837 | |
| 838 | if (mDisconnectReplyID != 0) { |
| 839 | finishDisconnectIfPossible(); |
| 840 | } |
| 841 | } |
| 842 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 843 | void NuPlayer2::RTSPSource2::finishDisconnectIfPossible() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 844 | if (mState != DISCONNECTED) { |
| 845 | if (mHandler != NULL) { |
| 846 | mHandler->disconnect(); |
| 847 | } else if (mSDPLoader != NULL) { |
| 848 | mSDPLoader->cancel(); |
| 849 | } |
| 850 | return; |
| 851 | } |
| 852 | |
| 853 | (new AMessage)->postReply(mDisconnectReplyID); |
| 854 | mDisconnectReplyID = 0; |
| 855 | } |
| 856 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 857 | void NuPlayer2::RTSPSource2::setError(status_t err) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 858 | Mutex::Autolock _l(mBufferingLock); |
| 859 | mFinalResult = err; |
| 860 | } |
| 861 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 862 | void NuPlayer2::RTSPSource2::startBufferingIfNecessary() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 863 | Mutex::Autolock _l(mBufferingLock); |
| 864 | |
| 865 | if (!mBuffering) { |
| 866 | mBuffering = true; |
| 867 | |
| 868 | sp<AMessage> notify = dupNotify(); |
| 869 | notify->setInt32("what", kWhatPauseOnBufferingStart); |
| 870 | notify->post(); |
| 871 | } |
| 872 | } |
| 873 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 874 | bool NuPlayer2::RTSPSource2::stopBufferingIfNecessary() { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 875 | Mutex::Autolock _l(mBufferingLock); |
| 876 | |
| 877 | if (mBuffering) { |
| 878 | if (!haveSufficientDataOnAllTracks()) { |
| 879 | return false; |
| 880 | } |
| 881 | |
| 882 | mBuffering = false; |
| 883 | |
| 884 | sp<AMessage> notify = dupNotify(); |
| 885 | notify->setInt32("what", kWhatResumeOnBufferingEnd); |
| 886 | notify->post(); |
| 887 | } |
| 888 | |
| 889 | return true; |
| 890 | } |
| 891 | |
Wei Jia | 2409c87 | 2018-02-02 10:34:33 -0800 | [diff] [blame] | 892 | void NuPlayer2::RTSPSource2::finishSeek(status_t err) { |
Wei Jia | 53692fa | 2017-12-11 10:33:46 -0800 | [diff] [blame] | 893 | if (mSeekReplyID == NULL) { |
| 894 | return; |
| 895 | } |
| 896 | sp<AMessage> seekReply = new AMessage; |
| 897 | seekReply->setInt32("err", err); |
| 898 | seekReply->postReply(mSeekReplyID); |
| 899 | mSeekReplyID = NULL; |
| 900 | } |
| 901 | |
| 902 | } // namespace android |