1 /*
2 * Copyright (C) 2012 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_NDEBUG 0
18 #define LOG_TAG "GenericSource"
19
20 #include "GenericSource.h"
21 #include "NuPlayerDrm.h"
22
23 #include "AnotherPacketSource.h"
24 #include <binder/IServiceManager.h>
25 #include <cutils/properties.h>
26 #include <media/IMediaExtractorService.h>
27 #include <media/IMediaHTTPService.h>
28 #include <media/stagefright/foundation/ABuffer.h>
29 #include <media/stagefright/foundation/ADebug.h>
30 #include <media/stagefright/foundation/AMessage.h>
31 #include <media/stagefright/DataSource.h>
32 #include <media/stagefright/FileSource.h>
33 #include <media/stagefright/MediaBuffer.h>
34 #include <media/stagefright/MediaDefs.h>
35 #include <media/stagefright/MediaExtractor.h>
36 #include <media/stagefright/MediaSource.h>
37 #include <media/stagefright/MetaData.h>
38 #include <media/stagefright/Utils.h>
39 #include "../../libstagefright/include/NuCachedSource2.h"
40 #include "../../libstagefright/include/HTTPBase.h"
41
42 namespace android {
43
44 static const int kLowWaterMarkMs = 2000; // 2secs
45 static const int kHighWaterMarkMs = 5000; // 5secs
46 static const int kHighWaterMarkRebufferMs = 15000; // 15secs
47
48 static const int kLowWaterMarkKB = 40;
49 static const int kHighWaterMarkKB = 200;
50
GenericSource(const sp<AMessage> & notify,bool uidValid,uid_t uid)51 NuPlayer::GenericSource::GenericSource(
52 const sp<AMessage> ¬ify,
53 bool uidValid,
54 uid_t uid)
55 : Source(notify),
56 mAudioTimeUs(0),
57 mAudioLastDequeueTimeUs(0),
58 mVideoTimeUs(0),
59 mVideoLastDequeueTimeUs(0),
60 mFetchSubtitleDataGeneration(0),
61 mFetchTimedTextDataGeneration(0),
62 mDurationUs(-1ll),
63 mAudioIsVorbis(false),
64 mIsSecure(false),
65 mIsStreaming(false),
66 mUIDValid(uidValid),
67 mUID(uid),
68 mFd(-1),
69 mBitrate(-1ll),
70 mPendingReadBufferTypes(0) {
71 ALOGV("GenericSource");
72
73 mBufferingMonitor = new BufferingMonitor(notify);
74 resetDataSource();
75 }
76
resetDataSource()77 void NuPlayer::GenericSource::resetDataSource() {
78 ALOGV("resetDataSource");
79
80 mHTTPService.clear();
81 mHttpSource.clear();
82 mUri.clear();
83 mUriHeaders.clear();
84 if (mFd >= 0) {
85 close(mFd);
86 mFd = -1;
87 }
88 mOffset = 0;
89 mLength = 0;
90 mStarted = false;
91 mStopRead = true;
92
93 if (mBufferingMonitorLooper != NULL) {
94 mBufferingMonitorLooper->unregisterHandler(mBufferingMonitor->id());
95 mBufferingMonitorLooper->stop();
96 mBufferingMonitorLooper = NULL;
97 }
98 mBufferingMonitor->stop();
99
100 mIsDrmProtected = false;
101 mIsDrmReleased = false;
102 mIsSecure = false;
103 mMimes.clear();
104 }
105
setDataSource(const sp<IMediaHTTPService> & httpService,const char * url,const KeyedVector<String8,String8> * headers)106 status_t NuPlayer::GenericSource::setDataSource(
107 const sp<IMediaHTTPService> &httpService,
108 const char *url,
109 const KeyedVector<String8, String8> *headers) {
110 ALOGV("setDataSource url: %s", url);
111
112 resetDataSource();
113
114 mHTTPService = httpService;
115 mUri = url;
116
117 if (headers) {
118 mUriHeaders = *headers;
119 }
120
121 // delay data source creation to prepareAsync() to avoid blocking
122 // the calling thread in setDataSource for any significant time.
123 return OK;
124 }
125
setDataSource(int fd,int64_t offset,int64_t length)126 status_t NuPlayer::GenericSource::setDataSource(
127 int fd, int64_t offset, int64_t length) {
128 ALOGV("setDataSource %d/%lld/%lld", fd, (long long)offset, (long long)length);
129
130 resetDataSource();
131
132 mFd = dup(fd);
133 mOffset = offset;
134 mLength = length;
135
136 // delay data source creation to prepareAsync() to avoid blocking
137 // the calling thread in setDataSource for any significant time.
138 return OK;
139 }
140
setDataSource(const sp<DataSource> & source)141 status_t NuPlayer::GenericSource::setDataSource(const sp<DataSource>& source) {
142 ALOGV("setDataSource (source: %p)", source.get());
143
144 resetDataSource();
145 mDataSource = source;
146 return OK;
147 }
148
getFileFormatMeta() const149 sp<MetaData> NuPlayer::GenericSource::getFileFormatMeta() const {
150 return mFileMeta;
151 }
152
initFromDataSource()153 status_t NuPlayer::GenericSource::initFromDataSource() {
154 sp<IMediaExtractor> extractor;
155 CHECK(mDataSource != NULL);
156
157 extractor = MediaExtractor::Create(mDataSource, NULL);
158
159 if (extractor == NULL) {
160 ALOGE("initFromDataSource, cannot create extractor!");
161 return UNKNOWN_ERROR;
162 }
163
164 mFileMeta = extractor->getMetaData();
165 if (mFileMeta != NULL) {
166 int64_t duration;
167 if (mFileMeta->findInt64(kKeyDuration, &duration)) {
168 mDurationUs = duration;
169 }
170 }
171
172 int32_t totalBitrate = 0;
173
174 size_t numtracks = extractor->countTracks();
175 if (numtracks == 0) {
176 ALOGE("initFromDataSource, source has no track!");
177 return UNKNOWN_ERROR;
178 }
179
180 mMimes.clear();
181
182 for (size_t i = 0; i < numtracks; ++i) {
183 sp<IMediaSource> track = extractor->getTrack(i);
184 if (track == NULL) {
185 continue;
186 }
187
188 sp<MetaData> meta = extractor->getTrackMetaData(i);
189 if (meta == NULL) {
190 ALOGE("no metadata for track %zu", i);
191 return UNKNOWN_ERROR;
192 }
193
194 const char *mime;
195 CHECK(meta->findCString(kKeyMIMEType, &mime));
196
197 ALOGV("initFromDataSource track[%zu]: %s", i, mime);
198
199 // Do the string compare immediately with "mime",
200 // we can't assume "mime" would stay valid after another
201 // extractor operation, some extractors might modify meta
202 // during getTrack() and make it invalid.
203 if (!strncasecmp(mime, "audio/", 6)) {
204 if (mAudioTrack.mSource == NULL) {
205 mAudioTrack.mIndex = i;
206 mAudioTrack.mSource = track;
207 mAudioTrack.mPackets =
208 new AnotherPacketSource(mAudioTrack.mSource->getFormat());
209
210 if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
211 mAudioIsVorbis = true;
212 } else {
213 mAudioIsVorbis = false;
214 }
215
216 mMimes.add(String8(mime));
217 }
218 } else if (!strncasecmp(mime, "video/", 6)) {
219 if (mVideoTrack.mSource == NULL) {
220 mVideoTrack.mIndex = i;
221 mVideoTrack.mSource = track;
222 mVideoTrack.mPackets =
223 new AnotherPacketSource(mVideoTrack.mSource->getFormat());
224
225 // video always at the beginning
226 mMimes.insertAt(String8(mime), 0);
227 }
228 }
229
230 mSources.push(track);
231 int64_t durationUs;
232 if (meta->findInt64(kKeyDuration, &durationUs)) {
233 if (durationUs > mDurationUs) {
234 mDurationUs = durationUs;
235 }
236 }
237
238 int32_t bitrate;
239 if (totalBitrate >= 0 && meta->findInt32(kKeyBitRate, &bitrate)) {
240 totalBitrate += bitrate;
241 } else {
242 totalBitrate = -1;
243 }
244 }
245
246 ALOGV("initFromDataSource mSources.size(): %zu mIsSecure: %d mime[0]: %s", mSources.size(),
247 mIsSecure, (mMimes.isEmpty() ? "NONE" : mMimes[0].string()));
248
249 if (mSources.size() == 0) {
250 ALOGE("b/23705695");
251 return UNKNOWN_ERROR;
252 }
253
254 // Modular DRM: The return value doesn't affect source initialization.
255 (void)checkDrmInfo();
256
257 mBitrate = totalBitrate;
258
259 return OK;
260 }
261
getDefaultBufferingSettings(BufferingSettings * buffering)262 status_t NuPlayer::GenericSource::getDefaultBufferingSettings(
263 BufferingSettings* buffering /* nonnull */) {
264 mBufferingMonitor->getDefaultBufferingSettings(buffering);
265 return OK;
266 }
267
setBufferingSettings(const BufferingSettings & buffering)268 status_t NuPlayer::GenericSource::setBufferingSettings(const BufferingSettings& buffering) {
269 return mBufferingMonitor->setBufferingSettings(buffering);
270 }
271
startSources()272 status_t NuPlayer::GenericSource::startSources() {
273 // Start the selected A/V tracks now before we start buffering.
274 // Widevine sources might re-initialize crypto when starting, if we delay
275 // this to start(), all data buffered during prepare would be wasted.
276 // (We don't actually start reading until start().)
277 //
278 // TODO: this logic may no longer be relevant after the removal of widevine
279 // support
280 if (mAudioTrack.mSource != NULL && mAudioTrack.mSource->start() != OK) {
281 ALOGE("failed to start audio track!");
282 return UNKNOWN_ERROR;
283 }
284
285 if (mVideoTrack.mSource != NULL && mVideoTrack.mSource->start() != OK) {
286 ALOGE("failed to start video track!");
287 return UNKNOWN_ERROR;
288 }
289
290 return OK;
291 }
292
getLastReadPosition()293 int64_t NuPlayer::GenericSource::getLastReadPosition() {
294 if (mAudioTrack.mSource != NULL) {
295 return mAudioTimeUs;
296 } else if (mVideoTrack.mSource != NULL) {
297 return mVideoTimeUs;
298 } else {
299 return 0;
300 }
301 }
302
setBuffers(bool audio,Vector<MediaBuffer * > & buffers)303 status_t NuPlayer::GenericSource::setBuffers(
304 bool audio, Vector<MediaBuffer *> &buffers) {
305 if (mIsSecure && !audio && mVideoTrack.mSource != NULL) {
306 return mVideoTrack.mSource->setBuffers(buffers);
307 }
308 return INVALID_OPERATION;
309 }
310
isStreaming() const311 bool NuPlayer::GenericSource::isStreaming() const {
312 return mIsStreaming;
313 }
314
setOffloadAudio(bool offload)315 void NuPlayer::GenericSource::setOffloadAudio(bool offload) {
316 mBufferingMonitor->setOffloadAudio(offload);
317 }
318
~GenericSource()319 NuPlayer::GenericSource::~GenericSource() {
320 ALOGV("~GenericSource");
321 if (mLooper != NULL) {
322 mLooper->unregisterHandler(id());
323 mLooper->stop();
324 }
325 resetDataSource();
326 }
327
prepareAsync()328 void NuPlayer::GenericSource::prepareAsync() {
329 ALOGV("prepareAsync: (looper: %d)", (mLooper != NULL));
330
331 if (mLooper == NULL) {
332 mLooper = new ALooper;
333 mLooper->setName("generic");
334 mLooper->start();
335
336 mLooper->registerHandler(this);
337 }
338
339 sp<AMessage> msg = new AMessage(kWhatPrepareAsync, this);
340 msg->post();
341 }
342
onPrepareAsync()343 void NuPlayer::GenericSource::onPrepareAsync() {
344 ALOGV("onPrepareAsync: mDataSource: %d", (mDataSource != NULL));
345
346 // delayed data source creation
347 if (mDataSource == NULL) {
348 // set to false first, if the extractor
349 // comes back as secure, set it to true then.
350 mIsSecure = false;
351
352 if (!mUri.empty()) {
353 const char* uri = mUri.c_str();
354 String8 contentType;
355
356 if (!strncasecmp("http://", uri, 7) || !strncasecmp("https://", uri, 8)) {
357 mHttpSource = DataSource::CreateMediaHTTP(mHTTPService);
358 if (mHttpSource == NULL) {
359 ALOGE("Failed to create http source!");
360 notifyPreparedAndCleanup(UNKNOWN_ERROR);
361 return;
362 }
363 }
364
365 mDataSource = DataSource::CreateFromURI(
366 mHTTPService, uri, &mUriHeaders, &contentType,
367 static_cast<HTTPBase *>(mHttpSource.get()));
368 } else {
369 if (property_get_bool("media.stagefright.extractremote", true) &&
370 !FileSource::requiresDrm(mFd, mOffset, mLength, nullptr /* mime */)) {
371 sp<IBinder> binder =
372 defaultServiceManager()->getService(String16("media.extractor"));
373 if (binder != nullptr) {
374 ALOGD("FileSource remote");
375 sp<IMediaExtractorService> mediaExService(
376 interface_cast<IMediaExtractorService>(binder));
377 sp<IDataSource> source =
378 mediaExService->makeIDataSource(mFd, mOffset, mLength);
379 ALOGV("IDataSource(FileSource): %p %d %lld %lld",
380 source.get(), mFd, (long long)mOffset, (long long)mLength);
381 if (source.get() != nullptr) {
382 mDataSource = DataSource::CreateFromIDataSource(source);
383 if (mDataSource != nullptr) {
384 // Close the local file descriptor as it is not needed anymore.
385 close(mFd);
386 mFd = -1;
387 }
388 } else {
389 ALOGW("extractor service cannot make data source");
390 }
391 } else {
392 ALOGW("extractor service not running");
393 }
394 }
395 if (mDataSource == nullptr) {
396 ALOGD("FileSource local");
397 mDataSource = new FileSource(mFd, mOffset, mLength);
398 }
399 // TODO: close should always be done on mFd, see the lines following
400 // DataSource::CreateFromIDataSource above,
401 // and the FileSource constructor should dup the mFd argument as needed.
402 mFd = -1;
403 }
404
405 if (mDataSource == NULL) {
406 ALOGE("Failed to create data source!");
407 notifyPreparedAndCleanup(UNKNOWN_ERROR);
408 return;
409 }
410 }
411
412 if (mDataSource->flags() & DataSource::kIsCachingDataSource) {
413 mCachedSource = static_cast<NuCachedSource2 *>(mDataSource.get());
414 }
415
416 // For cached streaming cases, we need to wait for enough
417 // buffering before reporting prepared.
418 mIsStreaming = (mCachedSource != NULL);
419
420 // init extractor from data source
421 status_t err = initFromDataSource();
422
423 if (err != OK) {
424 ALOGE("Failed to init from data source!");
425 notifyPreparedAndCleanup(err);
426 return;
427 }
428
429 if (mVideoTrack.mSource != NULL) {
430 sp<MetaData> meta = doGetFormatMeta(false /* audio */);
431 sp<AMessage> msg = new AMessage;
432 err = convertMetaDataToMessage(meta, &msg);
433 if(err != OK) {
434 notifyPreparedAndCleanup(err);
435 return;
436 }
437 notifyVideoSizeChanged(msg);
438 }
439
440 notifyFlagsChanged(
441 // FLAG_SECURE will be known if/when prepareDrm is called by the app
442 // FLAG_PROTECTED will be known if/when prepareDrm is called by the app
443 FLAG_CAN_PAUSE |
444 FLAG_CAN_SEEK_BACKWARD |
445 FLAG_CAN_SEEK_FORWARD |
446 FLAG_CAN_SEEK);
447
448 finishPrepareAsync();
449
450 ALOGV("onPrepareAsync: Done");
451 }
452
finishPrepareAsync()453 void NuPlayer::GenericSource::finishPrepareAsync() {
454 ALOGV("finishPrepareAsync");
455
456 status_t err = startSources();
457 if (err != OK) {
458 ALOGE("Failed to init start data source!");
459 notifyPreparedAndCleanup(err);
460 return;
461 }
462
463 if (mIsStreaming) {
464 if (mBufferingMonitorLooper == NULL) {
465 mBufferingMonitor->prepare(mCachedSource, mDurationUs, mBitrate,
466 mIsStreaming);
467
468 mBufferingMonitorLooper = new ALooper;
469 mBufferingMonitorLooper->setName("GSBMonitor");
470 mBufferingMonitorLooper->start();
471 mBufferingMonitorLooper->registerHandler(mBufferingMonitor);
472 }
473
474 mBufferingMonitor->ensureCacheIsFetching();
475 mBufferingMonitor->restartPollBuffering();
476 } else {
477 notifyPrepared();
478 }
479 }
480
notifyPreparedAndCleanup(status_t err)481 void NuPlayer::GenericSource::notifyPreparedAndCleanup(status_t err) {
482 if (err != OK) {
483 {
484 sp<DataSource> dataSource = mDataSource;
485 sp<NuCachedSource2> cachedSource = mCachedSource;
486 sp<DataSource> httpSource = mHttpSource;
487 {
488 Mutex::Autolock _l(mDisconnectLock);
489 mDataSource.clear();
490 mCachedSource.clear();
491 mHttpSource.clear();
492 }
493 }
494 mBitrate = -1;
495
496 mBufferingMonitor->cancelPollBuffering();
497 }
498 notifyPrepared(err);
499 }
500
start()501 void NuPlayer::GenericSource::start() {
502 ALOGI("start");
503
504 mStopRead = false;
505 if (mAudioTrack.mSource != NULL) {
506 postReadBuffer(MEDIA_TRACK_TYPE_AUDIO);
507 }
508
509 if (mVideoTrack.mSource != NULL) {
510 postReadBuffer(MEDIA_TRACK_TYPE_VIDEO);
511 }
512
513 mStarted = true;
514
515 (new AMessage(kWhatStart, this))->post();
516 }
517
stop()518 void NuPlayer::GenericSource::stop() {
519 mStarted = false;
520 }
521
pause()522 void NuPlayer::GenericSource::pause() {
523 mStarted = false;
524 }
525
resume()526 void NuPlayer::GenericSource::resume() {
527 mStarted = true;
528
529 (new AMessage(kWhatResume, this))->post();
530 }
531
disconnect()532 void NuPlayer::GenericSource::disconnect() {
533 sp<DataSource> dataSource, httpSource;
534 {
535 Mutex::Autolock _l(mDisconnectLock);
536 dataSource = mDataSource;
537 httpSource = mHttpSource;
538 }
539
540 if (dataSource != NULL) {
541 // disconnect data source
542 if (dataSource->flags() & DataSource::kIsCachingDataSource) {
543 static_cast<NuCachedSource2 *>(dataSource.get())->disconnect();
544 }
545 } else if (httpSource != NULL) {
546 static_cast<HTTPBase *>(httpSource.get())->disconnect();
547 }
548 }
549
feedMoreTSData()550 status_t NuPlayer::GenericSource::feedMoreTSData() {
551 return OK;
552 }
553
onMessageReceived(const sp<AMessage> & msg)554 void NuPlayer::GenericSource::onMessageReceived(const sp<AMessage> &msg) {
555 switch (msg->what()) {
556 case kWhatPrepareAsync:
557 {
558 onPrepareAsync();
559 break;
560 }
561 case kWhatFetchSubtitleData:
562 {
563 fetchTextData(kWhatSendSubtitleData, MEDIA_TRACK_TYPE_SUBTITLE,
564 mFetchSubtitleDataGeneration, mSubtitleTrack.mPackets, msg);
565 break;
566 }
567
568 case kWhatFetchTimedTextData:
569 {
570 fetchTextData(kWhatSendTimedTextData, MEDIA_TRACK_TYPE_TIMEDTEXT,
571 mFetchTimedTextDataGeneration, mTimedTextTrack.mPackets, msg);
572 break;
573 }
574
575 case kWhatSendSubtitleData:
576 {
577 sendTextData(kWhatSubtitleData, MEDIA_TRACK_TYPE_SUBTITLE,
578 mFetchSubtitleDataGeneration, mSubtitleTrack.mPackets, msg);
579 break;
580 }
581
582 case kWhatSendGlobalTimedTextData:
583 {
584 sendGlobalTextData(kWhatTimedTextData, mFetchTimedTextDataGeneration, msg);
585 break;
586 }
587 case kWhatSendTimedTextData:
588 {
589 sendTextData(kWhatTimedTextData, MEDIA_TRACK_TYPE_TIMEDTEXT,
590 mFetchTimedTextDataGeneration, mTimedTextTrack.mPackets, msg);
591 break;
592 }
593
594 case kWhatChangeAVSource:
595 {
596 int32_t trackIndex;
597 CHECK(msg->findInt32("trackIndex", &trackIndex));
598 const sp<IMediaSource> source = mSources.itemAt(trackIndex);
599
600 Track* track;
601 const char *mime;
602 media_track_type trackType, counterpartType;
603 sp<MetaData> meta = source->getFormat();
604 meta->findCString(kKeyMIMEType, &mime);
605 if (!strncasecmp(mime, "audio/", 6)) {
606 track = &mAudioTrack;
607 trackType = MEDIA_TRACK_TYPE_AUDIO;
608 counterpartType = MEDIA_TRACK_TYPE_VIDEO;;
609 } else {
610 CHECK(!strncasecmp(mime, "video/", 6));
611 track = &mVideoTrack;
612 trackType = MEDIA_TRACK_TYPE_VIDEO;
613 counterpartType = MEDIA_TRACK_TYPE_AUDIO;;
614 }
615
616
617 if (track->mSource != NULL) {
618 track->mSource->stop();
619 }
620 track->mSource = source;
621 track->mSource->start();
622 track->mIndex = trackIndex;
623
624 int64_t timeUs, actualTimeUs;
625 const bool formatChange = true;
626 if (trackType == MEDIA_TRACK_TYPE_AUDIO) {
627 timeUs = mAudioLastDequeueTimeUs;
628 } else {
629 timeUs = mVideoLastDequeueTimeUs;
630 }
631 readBuffer(trackType, timeUs, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */,
632 &actualTimeUs, formatChange);
633 readBuffer(counterpartType, -1, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */,
634 NULL, !formatChange);
635 ALOGV("timeUs %lld actualTimeUs %lld", (long long)timeUs, (long long)actualTimeUs);
636
637 break;
638 }
639
640 case kWhatStart:
641 case kWhatResume:
642 {
643 mBufferingMonitor->restartPollBuffering();
644 break;
645 }
646
647 case kWhatGetFormat:
648 {
649 onGetFormatMeta(msg);
650 break;
651 }
652
653 case kWhatGetSelectedTrack:
654 {
655 onGetSelectedTrack(msg);
656 break;
657 }
658
659 case kWhatGetTrackInfo:
660 {
661 onGetTrackInfo(msg);
662 break;
663 }
664
665 case kWhatSelectTrack:
666 {
667 onSelectTrack(msg);
668 break;
669 }
670
671 case kWhatSeek:
672 {
673 onSeek(msg);
674 break;
675 }
676
677 case kWhatReadBuffer:
678 {
679 onReadBuffer(msg);
680 break;
681 }
682
683 case kWhatPrepareDrm:
684 {
685 status_t status = onPrepareDrm(msg);
686 sp<AMessage> response = new AMessage;
687 response->setInt32("status", status);
688 sp<AReplyToken> replyID;
689 CHECK(msg->senderAwaitsResponse(&replyID));
690 response->postReply(replyID);
691 break;
692 }
693
694 case kWhatReleaseDrm:
695 {
696 status_t status = onReleaseDrm();
697 sp<AMessage> response = new AMessage;
698 response->setInt32("status", status);
699 sp<AReplyToken> replyID;
700 CHECK(msg->senderAwaitsResponse(&replyID));
701 response->postReply(replyID);
702 break;
703 }
704
705 default:
706 Source::onMessageReceived(msg);
707 break;
708 }
709 }
710
fetchTextData(uint32_t sendWhat,media_track_type type,int32_t curGen,const sp<AnotherPacketSource> & packets,const sp<AMessage> & msg)711 void NuPlayer::GenericSource::fetchTextData(
712 uint32_t sendWhat,
713 media_track_type type,
714 int32_t curGen,
715 const sp<AnotherPacketSource>& packets,
716 const sp<AMessage>& msg) {
717 int32_t msgGeneration;
718 CHECK(msg->findInt32("generation", &msgGeneration));
719 if (msgGeneration != curGen) {
720 // stale
721 return;
722 }
723
724 int32_t avail;
725 if (packets->hasBufferAvailable(&avail)) {
726 return;
727 }
728
729 int64_t timeUs;
730 CHECK(msg->findInt64("timeUs", &timeUs));
731
732 int64_t subTimeUs;
733 readBuffer(type, timeUs, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */, &subTimeUs);
734
735 int64_t delayUs = subTimeUs - timeUs;
736 if (msg->what() == kWhatFetchSubtitleData) {
737 const int64_t oneSecUs = 1000000ll;
738 delayUs -= oneSecUs;
739 }
740 sp<AMessage> msg2 = new AMessage(sendWhat, this);
741 msg2->setInt32("generation", msgGeneration);
742 msg2->post(delayUs < 0 ? 0 : delayUs);
743 }
744
sendTextData(uint32_t what,media_track_type type,int32_t curGen,const sp<AnotherPacketSource> & packets,const sp<AMessage> & msg)745 void NuPlayer::GenericSource::sendTextData(
746 uint32_t what,
747 media_track_type type,
748 int32_t curGen,
749 const sp<AnotherPacketSource>& packets,
750 const sp<AMessage>& msg) {
751 int32_t msgGeneration;
752 CHECK(msg->findInt32("generation", &msgGeneration));
753 if (msgGeneration != curGen) {
754 // stale
755 return;
756 }
757
758 int64_t subTimeUs;
759 if (packets->nextBufferTime(&subTimeUs) != OK) {
760 return;
761 }
762
763 int64_t nextSubTimeUs;
764 readBuffer(type, -1, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */, &nextSubTimeUs);
765
766 sp<ABuffer> buffer;
767 status_t dequeueStatus = packets->dequeueAccessUnit(&buffer);
768 if (dequeueStatus == OK) {
769 sp<AMessage> notify = dupNotify();
770 notify->setInt32("what", what);
771 notify->setBuffer("buffer", buffer);
772 notify->post();
773
774 const int64_t delayUs = nextSubTimeUs - subTimeUs;
775 msg->post(delayUs < 0 ? 0 : delayUs);
776 }
777 }
778
sendGlobalTextData(uint32_t what,int32_t curGen,sp<AMessage> msg)779 void NuPlayer::GenericSource::sendGlobalTextData(
780 uint32_t what,
781 int32_t curGen,
782 sp<AMessage> msg) {
783 int32_t msgGeneration;
784 CHECK(msg->findInt32("generation", &msgGeneration));
785 if (msgGeneration != curGen) {
786 // stale
787 return;
788 }
789
790 uint32_t textType;
791 const void *data;
792 size_t size = 0;
793 if (mTimedTextTrack.mSource->getFormat()->findData(
794 kKeyTextFormatData, &textType, &data, &size)) {
795 mGlobalTimedText = new ABuffer(size);
796 if (mGlobalTimedText->data()) {
797 memcpy(mGlobalTimedText->data(), data, size);
798 sp<AMessage> globalMeta = mGlobalTimedText->meta();
799 globalMeta->setInt64("timeUs", 0);
800 globalMeta->setString("mime", MEDIA_MIMETYPE_TEXT_3GPP);
801 globalMeta->setInt32("global", 1);
802 sp<AMessage> notify = dupNotify();
803 notify->setInt32("what", what);
804 notify->setBuffer("buffer", mGlobalTimedText);
805 notify->post();
806 }
807 }
808 }
809
getFormatMeta(bool audio)810 sp<MetaData> NuPlayer::GenericSource::getFormatMeta(bool audio) {
811 sp<AMessage> msg = new AMessage(kWhatGetFormat, this);
812 msg->setInt32("audio", audio);
813
814 sp<AMessage> response;
815 sp<RefBase> format;
816 status_t err = msg->postAndAwaitResponse(&response);
817 if (err == OK && response != NULL) {
818 CHECK(response->findObject("format", &format));
819 return static_cast<MetaData*>(format.get());
820 } else {
821 return NULL;
822 }
823 }
824
onGetFormatMeta(const sp<AMessage> & msg) const825 void NuPlayer::GenericSource::onGetFormatMeta(const sp<AMessage>& msg) const {
826 int32_t audio;
827 CHECK(msg->findInt32("audio", &audio));
828
829 sp<AMessage> response = new AMessage;
830 sp<MetaData> format = doGetFormatMeta(audio);
831 response->setObject("format", format);
832
833 sp<AReplyToken> replyID;
834 CHECK(msg->senderAwaitsResponse(&replyID));
835 response->postReply(replyID);
836 }
837
doGetFormatMeta(bool audio) const838 sp<MetaData> NuPlayer::GenericSource::doGetFormatMeta(bool audio) const {
839 sp<IMediaSource> source = audio ? mAudioTrack.mSource : mVideoTrack.mSource;
840
841 if (source == NULL) {
842 return NULL;
843 }
844
845 return source->getFormat();
846 }
847
dequeueAccessUnit(bool audio,sp<ABuffer> * accessUnit)848 status_t NuPlayer::GenericSource::dequeueAccessUnit(
849 bool audio, sp<ABuffer> *accessUnit) {
850 if (audio && !mStarted) {
851 return -EWOULDBLOCK;
852 }
853
854 // If has gone through stop/releaseDrm sequence, we no longer send down any buffer b/c
855 // the codec's crypto object has gone away (b/37960096).
856 // Note: This will be unnecessary when stop() changes behavior and releases codec (b/35248283).
857 if (!mStarted && mIsDrmReleased) {
858 return -EWOULDBLOCK;
859 }
860
861 Track *track = audio ? &mAudioTrack : &mVideoTrack;
862
863 if (track->mSource == NULL) {
864 return -EWOULDBLOCK;
865 }
866
867 status_t finalResult;
868 if (!track->mPackets->hasBufferAvailable(&finalResult)) {
869 if (finalResult == OK) {
870 postReadBuffer(
871 audio ? MEDIA_TRACK_TYPE_AUDIO : MEDIA_TRACK_TYPE_VIDEO);
872 return -EWOULDBLOCK;
873 }
874 return finalResult;
875 }
876
877 status_t result = track->mPackets->dequeueAccessUnit(accessUnit);
878
879 // start pulling in more buffers if we only have one (or no) buffer left
880 // so that decoder has less chance of being starved
881 if (track->mPackets->getAvailableBufferCount(&finalResult) < 2) {
882 postReadBuffer(audio? MEDIA_TRACK_TYPE_AUDIO : MEDIA_TRACK_TYPE_VIDEO);
883 }
884
885 if (result != OK) {
886 if (mSubtitleTrack.mSource != NULL) {
887 mSubtitleTrack.mPackets->clear();
888 mFetchSubtitleDataGeneration++;
889 }
890 if (mTimedTextTrack.mSource != NULL) {
891 mTimedTextTrack.mPackets->clear();
892 mFetchTimedTextDataGeneration++;
893 }
894 return result;
895 }
896
897 int64_t timeUs;
898 status_t eosResult; // ignored
899 CHECK((*accessUnit)->meta()->findInt64("timeUs", &timeUs));
900 if (audio) {
901 mAudioLastDequeueTimeUs = timeUs;
902 mBufferingMonitor->updateDequeuedBufferTime(timeUs);
903 } else {
904 mVideoLastDequeueTimeUs = timeUs;
905 }
906
907 if (mSubtitleTrack.mSource != NULL
908 && !mSubtitleTrack.mPackets->hasBufferAvailable(&eosResult)) {
909 sp<AMessage> msg = new AMessage(kWhatFetchSubtitleData, this);
910 msg->setInt64("timeUs", timeUs);
911 msg->setInt32("generation", mFetchSubtitleDataGeneration);
912 msg->post();
913 }
914
915 if (mTimedTextTrack.mSource != NULL
916 && !mTimedTextTrack.mPackets->hasBufferAvailable(&eosResult)) {
917 sp<AMessage> msg = new AMessage(kWhatFetchTimedTextData, this);
918 msg->setInt64("timeUs", timeUs);
919 msg->setInt32("generation", mFetchTimedTextDataGeneration);
920 msg->post();
921 }
922
923 return result;
924 }
925
getDuration(int64_t * durationUs)926 status_t NuPlayer::GenericSource::getDuration(int64_t *durationUs) {
927 *durationUs = mDurationUs;
928 return OK;
929 }
930
getTrackCount() const931 size_t NuPlayer::GenericSource::getTrackCount() const {
932 return mSources.size();
933 }
934
getTrackInfo(size_t trackIndex) const935 sp<AMessage> NuPlayer::GenericSource::getTrackInfo(size_t trackIndex) const {
936 sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, this);
937 msg->setSize("trackIndex", trackIndex);
938
939 sp<AMessage> response;
940 sp<RefBase> format;
941 status_t err = msg->postAndAwaitResponse(&response);
942 if (err == OK && response != NULL) {
943 CHECK(response->findObject("format", &format));
944 return static_cast<AMessage*>(format.get());
945 } else {
946 return NULL;
947 }
948 }
949
onGetTrackInfo(const sp<AMessage> & msg) const950 void NuPlayer::GenericSource::onGetTrackInfo(const sp<AMessage>& msg) const {
951 size_t trackIndex;
952 CHECK(msg->findSize("trackIndex", &trackIndex));
953
954 sp<AMessage> response = new AMessage;
955 sp<AMessage> format = doGetTrackInfo(trackIndex);
956 response->setObject("format", format);
957
958 sp<AReplyToken> replyID;
959 CHECK(msg->senderAwaitsResponse(&replyID));
960 response->postReply(replyID);
961 }
962
doGetTrackInfo(size_t trackIndex) const963 sp<AMessage> NuPlayer::GenericSource::doGetTrackInfo(size_t trackIndex) const {
964 size_t trackCount = mSources.size();
965 if (trackIndex >= trackCount) {
966 return NULL;
967 }
968
969 sp<AMessage> format = new AMessage();
970 sp<MetaData> meta = mSources.itemAt(trackIndex)->getFormat();
971 if (meta == NULL) {
972 ALOGE("no metadata for track %zu", trackIndex);
973 return NULL;
974 }
975
976 const char *mime;
977 CHECK(meta->findCString(kKeyMIMEType, &mime));
978 format->setString("mime", mime);
979
980 int32_t trackType;
981 if (!strncasecmp(mime, "video/", 6)) {
982 trackType = MEDIA_TRACK_TYPE_VIDEO;
983 } else if (!strncasecmp(mime, "audio/", 6)) {
984 trackType = MEDIA_TRACK_TYPE_AUDIO;
985 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_TEXT_3GPP)) {
986 trackType = MEDIA_TRACK_TYPE_TIMEDTEXT;
987 } else {
988 trackType = MEDIA_TRACK_TYPE_UNKNOWN;
989 }
990 format->setInt32("type", trackType);
991
992 const char *lang;
993 if (!meta->findCString(kKeyMediaLanguage, &lang)) {
994 lang = "und";
995 }
996 format->setString("language", lang);
997
998 if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
999 int32_t isAutoselect = 1, isDefault = 0, isForced = 0;
1000 meta->findInt32(kKeyTrackIsAutoselect, &isAutoselect);
1001 meta->findInt32(kKeyTrackIsDefault, &isDefault);
1002 meta->findInt32(kKeyTrackIsForced, &isForced);
1003
1004 format->setInt32("auto", !!isAutoselect);
1005 format->setInt32("default", !!isDefault);
1006 format->setInt32("forced", !!isForced);
1007 }
1008
1009 return format;
1010 }
1011
getSelectedTrack(media_track_type type) const1012 ssize_t NuPlayer::GenericSource::getSelectedTrack(media_track_type type) const {
1013 sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, this);
1014 msg->setInt32("type", type);
1015
1016 sp<AMessage> response;
1017 int32_t index;
1018 status_t err = msg->postAndAwaitResponse(&response);
1019 if (err == OK && response != NULL) {
1020 CHECK(response->findInt32("index", &index));
1021 return index;
1022 } else {
1023 return -1;
1024 }
1025 }
1026
onGetSelectedTrack(const sp<AMessage> & msg) const1027 void NuPlayer::GenericSource::onGetSelectedTrack(const sp<AMessage>& msg) const {
1028 int32_t tmpType;
1029 CHECK(msg->findInt32("type", &tmpType));
1030 media_track_type type = (media_track_type)tmpType;
1031
1032 sp<AMessage> response = new AMessage;
1033 ssize_t index = doGetSelectedTrack(type);
1034 response->setInt32("index", index);
1035
1036 sp<AReplyToken> replyID;
1037 CHECK(msg->senderAwaitsResponse(&replyID));
1038 response->postReply(replyID);
1039 }
1040
doGetSelectedTrack(media_track_type type) const1041 ssize_t NuPlayer::GenericSource::doGetSelectedTrack(media_track_type type) const {
1042 const Track *track = NULL;
1043 switch (type) {
1044 case MEDIA_TRACK_TYPE_VIDEO:
1045 track = &mVideoTrack;
1046 break;
1047 case MEDIA_TRACK_TYPE_AUDIO:
1048 track = &mAudioTrack;
1049 break;
1050 case MEDIA_TRACK_TYPE_TIMEDTEXT:
1051 track = &mTimedTextTrack;
1052 break;
1053 case MEDIA_TRACK_TYPE_SUBTITLE:
1054 track = &mSubtitleTrack;
1055 break;
1056 default:
1057 break;
1058 }
1059
1060 if (track != NULL && track->mSource != NULL) {
1061 return track->mIndex;
1062 }
1063
1064 return -1;
1065 }
1066
selectTrack(size_t trackIndex,bool select,int64_t timeUs)1067 status_t NuPlayer::GenericSource::selectTrack(size_t trackIndex, bool select, int64_t timeUs) {
1068 ALOGV("%s track: %zu", select ? "select" : "deselect", trackIndex);
1069 sp<AMessage> msg = new AMessage(kWhatSelectTrack, this);
1070 msg->setInt32("trackIndex", trackIndex);
1071 msg->setInt32("select", select);
1072 msg->setInt64("timeUs", timeUs);
1073
1074 sp<AMessage> response;
1075 status_t err = msg->postAndAwaitResponse(&response);
1076 if (err == OK && response != NULL) {
1077 CHECK(response->findInt32("err", &err));
1078 }
1079
1080 return err;
1081 }
1082
onSelectTrack(const sp<AMessage> & msg)1083 void NuPlayer::GenericSource::onSelectTrack(const sp<AMessage>& msg) {
1084 int32_t trackIndex, select;
1085 int64_t timeUs;
1086 CHECK(msg->findInt32("trackIndex", &trackIndex));
1087 CHECK(msg->findInt32("select", &select));
1088 CHECK(msg->findInt64("timeUs", &timeUs));
1089
1090 sp<AMessage> response = new AMessage;
1091 status_t err = doSelectTrack(trackIndex, select, timeUs);
1092 response->setInt32("err", err);
1093
1094 sp<AReplyToken> replyID;
1095 CHECK(msg->senderAwaitsResponse(&replyID));
1096 response->postReply(replyID);
1097 }
1098
doSelectTrack(size_t trackIndex,bool select,int64_t timeUs)1099 status_t NuPlayer::GenericSource::doSelectTrack(size_t trackIndex, bool select, int64_t timeUs) {
1100 if (trackIndex >= mSources.size()) {
1101 return BAD_INDEX;
1102 }
1103
1104 if (!select) {
1105 Track* track = NULL;
1106 if (mSubtitleTrack.mSource != NULL && trackIndex == mSubtitleTrack.mIndex) {
1107 track = &mSubtitleTrack;
1108 mFetchSubtitleDataGeneration++;
1109 } else if (mTimedTextTrack.mSource != NULL && trackIndex == mTimedTextTrack.mIndex) {
1110 track = &mTimedTextTrack;
1111 mFetchTimedTextDataGeneration++;
1112 }
1113 if (track == NULL) {
1114 return INVALID_OPERATION;
1115 }
1116 track->mSource->stop();
1117 track->mSource = NULL;
1118 track->mPackets->clear();
1119 return OK;
1120 }
1121
1122 const sp<IMediaSource> source = mSources.itemAt(trackIndex);
1123 sp<MetaData> meta = source->getFormat();
1124 const char *mime;
1125 CHECK(meta->findCString(kKeyMIMEType, &mime));
1126 if (!strncasecmp(mime, "text/", 5)) {
1127 bool isSubtitle = strcasecmp(mime, MEDIA_MIMETYPE_TEXT_3GPP);
1128 Track *track = isSubtitle ? &mSubtitleTrack : &mTimedTextTrack;
1129 if (track->mSource != NULL && track->mIndex == trackIndex) {
1130 return OK;
1131 }
1132 track->mIndex = trackIndex;
1133 if (track->mSource != NULL) {
1134 track->mSource->stop();
1135 }
1136 track->mSource = mSources.itemAt(trackIndex);
1137 track->mSource->start();
1138 if (track->mPackets == NULL) {
1139 track->mPackets = new AnotherPacketSource(track->mSource->getFormat());
1140 } else {
1141 track->mPackets->clear();
1142 track->mPackets->setFormat(track->mSource->getFormat());
1143
1144 }
1145
1146 if (isSubtitle) {
1147 mFetchSubtitleDataGeneration++;
1148 } else {
1149 mFetchTimedTextDataGeneration++;
1150 }
1151
1152 status_t eosResult; // ignored
1153 if (mSubtitleTrack.mSource != NULL
1154 && !mSubtitleTrack.mPackets->hasBufferAvailable(&eosResult)) {
1155 sp<AMessage> msg = new AMessage(kWhatFetchSubtitleData, this);
1156 msg->setInt64("timeUs", timeUs);
1157 msg->setInt32("generation", mFetchSubtitleDataGeneration);
1158 msg->post();
1159 }
1160
1161 sp<AMessage> msg2 = new AMessage(kWhatSendGlobalTimedTextData, this);
1162 msg2->setInt32("generation", mFetchTimedTextDataGeneration);
1163 msg2->post();
1164
1165 if (mTimedTextTrack.mSource != NULL
1166 && !mTimedTextTrack.mPackets->hasBufferAvailable(&eosResult)) {
1167 sp<AMessage> msg = new AMessage(kWhatFetchTimedTextData, this);
1168 msg->setInt64("timeUs", timeUs);
1169 msg->setInt32("generation", mFetchTimedTextDataGeneration);
1170 msg->post();
1171 }
1172
1173 return OK;
1174 } else if (!strncasecmp(mime, "audio/", 6) || !strncasecmp(mime, "video/", 6)) {
1175 bool audio = !strncasecmp(mime, "audio/", 6);
1176 Track *track = audio ? &mAudioTrack : &mVideoTrack;
1177 if (track->mSource != NULL && track->mIndex == trackIndex) {
1178 return OK;
1179 }
1180
1181 sp<AMessage> msg = new AMessage(kWhatChangeAVSource, this);
1182 msg->setInt32("trackIndex", trackIndex);
1183 msg->post();
1184 return OK;
1185 }
1186
1187 return INVALID_OPERATION;
1188 }
1189
seekTo(int64_t seekTimeUs,MediaPlayerSeekMode mode)1190 status_t NuPlayer::GenericSource::seekTo(int64_t seekTimeUs, MediaPlayerSeekMode mode) {
1191 sp<AMessage> msg = new AMessage(kWhatSeek, this);
1192 msg->setInt64("seekTimeUs", seekTimeUs);
1193 msg->setInt32("mode", mode);
1194
1195 sp<AMessage> response;
1196 status_t err = msg->postAndAwaitResponse(&response);
1197 if (err == OK && response != NULL) {
1198 CHECK(response->findInt32("err", &err));
1199 }
1200
1201 return err;
1202 }
1203
onSeek(const sp<AMessage> & msg)1204 void NuPlayer::GenericSource::onSeek(const sp<AMessage>& msg) {
1205 int64_t seekTimeUs;
1206 int32_t mode;
1207 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
1208 CHECK(msg->findInt32("mode", &mode));
1209
1210 sp<AMessage> response = new AMessage;
1211 status_t err = doSeek(seekTimeUs, (MediaPlayerSeekMode)mode);
1212 response->setInt32("err", err);
1213
1214 sp<AReplyToken> replyID;
1215 CHECK(msg->senderAwaitsResponse(&replyID));
1216 response->postReply(replyID);
1217 }
1218
doSeek(int64_t seekTimeUs,MediaPlayerSeekMode mode)1219 status_t NuPlayer::GenericSource::doSeek(int64_t seekTimeUs, MediaPlayerSeekMode mode) {
1220 mBufferingMonitor->updateDequeuedBufferTime(-1ll);
1221
1222 // If the Widevine source is stopped, do not attempt to read any
1223 // more buffers.
1224 //
1225 // TODO: revisit after widevine is removed. May be able to
1226 // combine mStopRead with mStarted.
1227 if (mStopRead) {
1228 return INVALID_OPERATION;
1229 }
1230 if (mVideoTrack.mSource != NULL) {
1231 int64_t actualTimeUs;
1232 readBuffer(MEDIA_TRACK_TYPE_VIDEO, seekTimeUs, mode, &actualTimeUs);
1233
1234 if (mode != MediaPlayerSeekMode::SEEK_CLOSEST) {
1235 seekTimeUs = actualTimeUs;
1236 }
1237 mVideoLastDequeueTimeUs = actualTimeUs;
1238 }
1239
1240 if (mAudioTrack.mSource != NULL) {
1241 readBuffer(MEDIA_TRACK_TYPE_AUDIO, seekTimeUs);
1242 mAudioLastDequeueTimeUs = seekTimeUs;
1243 }
1244
1245 if (mSubtitleTrack.mSource != NULL) {
1246 mSubtitleTrack.mPackets->clear();
1247 mFetchSubtitleDataGeneration++;
1248 }
1249
1250 if (mTimedTextTrack.mSource != NULL) {
1251 mTimedTextTrack.mPackets->clear();
1252 mFetchTimedTextDataGeneration++;
1253 }
1254
1255 // If currently buffering, post kWhatBufferingEnd first, so that
1256 // NuPlayer resumes. Otherwise, if cache hits high watermark
1257 // before new polling happens, no one will resume the playback.
1258 mBufferingMonitor->stopBufferingIfNecessary();
1259 mBufferingMonitor->restartPollBuffering();
1260
1261 return OK;
1262 }
1263
mediaBufferToABuffer(MediaBuffer * mb,media_track_type trackType)1264 sp<ABuffer> NuPlayer::GenericSource::mediaBufferToABuffer(
1265 MediaBuffer* mb,
1266 media_track_type trackType) {
1267 bool audio = trackType == MEDIA_TRACK_TYPE_AUDIO;
1268 size_t outLength = mb->range_length();
1269
1270 if (audio && mAudioIsVorbis) {
1271 outLength += sizeof(int32_t);
1272 }
1273
1274 sp<ABuffer> ab;
1275
1276 if (mIsDrmProtected) {
1277 // Modular DRM
1278 // Enabled for both video/audio so 1) media buffer is reused without extra copying
1279 // 2) meta data can be retrieved in onInputBufferFetched for calling queueSecureInputBuffer.
1280
1281 // data is already provided in the buffer
1282 ab = new ABuffer(NULL, mb->range_length());
1283 mb->add_ref();
1284 ab->setMediaBufferBase(mb);
1285
1286 // Modular DRM: Required b/c of the above add_ref.
1287 // If ref>0, there must be an observer, or it'll crash at release().
1288 // TODO: MediaBuffer might need to be revised to ease such need.
1289 mb->setObserver(this);
1290 // setMediaBufferBase() interestingly doesn't increment the ref count on its own.
1291 // Extra increment (since we want to keep mb alive and attached to ab beyond this function
1292 // call. This is to counter the effect of mb->release() towards the end.
1293 mb->add_ref();
1294
1295 } else {
1296 ab = new ABuffer(outLength);
1297 memcpy(ab->data(),
1298 (const uint8_t *)mb->data() + mb->range_offset(),
1299 mb->range_length());
1300 }
1301
1302 if (audio && mAudioIsVorbis) {
1303 int32_t numPageSamples;
1304 if (!mb->meta_data()->findInt32(kKeyValidSamples, &numPageSamples)) {
1305 numPageSamples = -1;
1306 }
1307
1308 uint8_t* abEnd = ab->data() + mb->range_length();
1309 memcpy(abEnd, &numPageSamples, sizeof(numPageSamples));
1310 }
1311
1312 sp<AMessage> meta = ab->meta();
1313
1314 int64_t timeUs;
1315 CHECK(mb->meta_data()->findInt64(kKeyTime, &timeUs));
1316 meta->setInt64("timeUs", timeUs);
1317
1318 if (trackType == MEDIA_TRACK_TYPE_VIDEO) {
1319 int32_t layerId;
1320 if (mb->meta_data()->findInt32(kKeyTemporalLayerId, &layerId)) {
1321 meta->setInt32("temporal-layer-id", layerId);
1322 }
1323 }
1324
1325 if (trackType == MEDIA_TRACK_TYPE_TIMEDTEXT) {
1326 const char *mime;
1327 CHECK(mTimedTextTrack.mSource != NULL
1328 && mTimedTextTrack.mSource->getFormat()->findCString(kKeyMIMEType, &mime));
1329 meta->setString("mime", mime);
1330 }
1331
1332 int64_t durationUs;
1333 if (mb->meta_data()->findInt64(kKeyDuration, &durationUs)) {
1334 meta->setInt64("durationUs", durationUs);
1335 }
1336
1337 if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
1338 meta->setInt32("trackIndex", mSubtitleTrack.mIndex);
1339 }
1340
1341 uint32_t dataType; // unused
1342 const void *seiData;
1343 size_t seiLength;
1344 if (mb->meta_data()->findData(kKeySEI, &dataType, &seiData, &seiLength)) {
1345 sp<ABuffer> sei = ABuffer::CreateAsCopy(seiData, seiLength);;
1346 meta->setBuffer("sei", sei);
1347 }
1348
1349 const void *mpegUserDataPointer;
1350 size_t mpegUserDataLength;
1351 if (mb->meta_data()->findData(
1352 kKeyMpegUserData, &dataType, &mpegUserDataPointer, &mpegUserDataLength)) {
1353 sp<ABuffer> mpegUserData = ABuffer::CreateAsCopy(mpegUserDataPointer, mpegUserDataLength);
1354 meta->setBuffer("mpegUserData", mpegUserData);
1355 }
1356
1357 mb->release();
1358 mb = NULL;
1359
1360 return ab;
1361 }
1362
postReadBuffer(media_track_type trackType)1363 void NuPlayer::GenericSource::postReadBuffer(media_track_type trackType) {
1364 Mutex::Autolock _l(mReadBufferLock);
1365
1366 if ((mPendingReadBufferTypes & (1 << trackType)) == 0) {
1367 mPendingReadBufferTypes |= (1 << trackType);
1368 sp<AMessage> msg = new AMessage(kWhatReadBuffer, this);
1369 msg->setInt32("trackType", trackType);
1370 msg->post();
1371 }
1372 }
1373
onReadBuffer(const sp<AMessage> & msg)1374 void NuPlayer::GenericSource::onReadBuffer(const sp<AMessage>& msg) {
1375 int32_t tmpType;
1376 CHECK(msg->findInt32("trackType", &tmpType));
1377 media_track_type trackType = (media_track_type)tmpType;
1378 readBuffer(trackType);
1379 {
1380 // only protect the variable change, as readBuffer may
1381 // take considerable time.
1382 Mutex::Autolock _l(mReadBufferLock);
1383 mPendingReadBufferTypes &= ~(1 << trackType);
1384 }
1385 }
1386
readBuffer(media_track_type trackType,int64_t seekTimeUs,MediaPlayerSeekMode mode,int64_t * actualTimeUs,bool formatChange)1387 void NuPlayer::GenericSource::readBuffer(
1388 media_track_type trackType, int64_t seekTimeUs, MediaPlayerSeekMode mode,
1389 int64_t *actualTimeUs, bool formatChange) {
1390 // Do not read data if Widevine source is stopped
1391 //
1392 // TODO: revisit after widevine is removed. May be able to
1393 // combine mStopRead with mStarted.
1394 if (mStopRead) {
1395 return;
1396 }
1397 Track *track;
1398 size_t maxBuffers = 1;
1399 switch (trackType) {
1400 case MEDIA_TRACK_TYPE_VIDEO:
1401 track = &mVideoTrack;
1402 maxBuffers = 8; // too large of a number may influence seeks
1403 break;
1404 case MEDIA_TRACK_TYPE_AUDIO:
1405 track = &mAudioTrack;
1406 maxBuffers = 64;
1407 break;
1408 case MEDIA_TRACK_TYPE_SUBTITLE:
1409 track = &mSubtitleTrack;
1410 break;
1411 case MEDIA_TRACK_TYPE_TIMEDTEXT:
1412 track = &mTimedTextTrack;
1413 break;
1414 default:
1415 TRESPASS();
1416 }
1417
1418 if (track->mSource == NULL) {
1419 return;
1420 }
1421
1422 if (actualTimeUs) {
1423 *actualTimeUs = seekTimeUs;
1424 }
1425
1426 MediaSource::ReadOptions options;
1427
1428 bool seeking = false;
1429 if (seekTimeUs >= 0) {
1430 options.setSeekTo(seekTimeUs, mode);
1431 seeking = true;
1432 }
1433
1434 const bool couldReadMultiple = (track->mSource->supportReadMultiple());
1435
1436 if (couldReadMultiple) {
1437 options.setNonBlocking();
1438 }
1439
1440 for (size_t numBuffers = 0; numBuffers < maxBuffers; ) {
1441 Vector<MediaBuffer *> mediaBuffers;
1442 status_t err = NO_ERROR;
1443
1444 if (couldReadMultiple) {
1445 err = track->mSource->readMultiple(
1446 &mediaBuffers, maxBuffers - numBuffers, &options);
1447 } else {
1448 MediaBuffer *mbuf = NULL;
1449 err = track->mSource->read(&mbuf, &options);
1450 if (err == OK && mbuf != NULL) {
1451 mediaBuffers.push_back(mbuf);
1452 }
1453 }
1454
1455 options.clearNonPersistent();
1456
1457 size_t id = 0;
1458 size_t count = mediaBuffers.size();
1459 for (; id < count; ++id) {
1460 int64_t timeUs;
1461 MediaBuffer *mbuf = mediaBuffers[id];
1462 if (!mbuf->meta_data()->findInt64(kKeyTime, &timeUs)) {
1463 mbuf->meta_data()->dumpToLog();
1464 track->mPackets->signalEOS(ERROR_MALFORMED);
1465 break;
1466 }
1467 if (trackType == MEDIA_TRACK_TYPE_AUDIO) {
1468 mAudioTimeUs = timeUs;
1469 mBufferingMonitor->updateQueuedTime(true /* isAudio */, timeUs);
1470 } else if (trackType == MEDIA_TRACK_TYPE_VIDEO) {
1471 mVideoTimeUs = timeUs;
1472 mBufferingMonitor->updateQueuedTime(false /* isAudio */, timeUs);
1473 }
1474
1475 queueDiscontinuityIfNeeded(seeking, formatChange, trackType, track);
1476
1477 sp<ABuffer> buffer = mediaBufferToABuffer(mbuf, trackType);
1478 if (numBuffers == 0 && actualTimeUs != nullptr) {
1479 *actualTimeUs = timeUs;
1480 }
1481 if (seeking && buffer != nullptr) {
1482 sp<AMessage> meta = buffer->meta();
1483 if (meta != nullptr && mode == MediaPlayerSeekMode::SEEK_CLOSEST
1484 && seekTimeUs > timeUs) {
1485 sp<AMessage> extra = new AMessage;
1486 extra->setInt64("resume-at-mediaTimeUs", seekTimeUs);
1487 meta->setMessage("extra", extra);
1488 }
1489 }
1490
1491 track->mPackets->queueAccessUnit(buffer);
1492 formatChange = false;
1493 seeking = false;
1494 ++numBuffers;
1495 }
1496 if (id < count) {
1497 // Error, some mediaBuffer doesn't have kKeyTime.
1498 for (; id < count; ++id) {
1499 mediaBuffers[id]->release();
1500 }
1501 break;
1502 }
1503
1504 if (err == WOULD_BLOCK) {
1505 break;
1506 } else if (err == INFO_FORMAT_CHANGED) {
1507 #if 0
1508 track->mPackets->queueDiscontinuity(
1509 ATSParser::DISCONTINUITY_FORMATCHANGE,
1510 NULL,
1511 false /* discard */);
1512 #endif
1513 } else if (err != OK) {
1514 queueDiscontinuityIfNeeded(seeking, formatChange, trackType, track);
1515 track->mPackets->signalEOS(err);
1516 break;
1517 }
1518 }
1519 }
1520
queueDiscontinuityIfNeeded(bool seeking,bool formatChange,media_track_type trackType,Track * track)1521 void NuPlayer::GenericSource::queueDiscontinuityIfNeeded(
1522 bool seeking, bool formatChange, media_track_type trackType, Track *track) {
1523 // formatChange && seeking: track whose source is changed during selection
1524 // formatChange && !seeking: track whose source is not changed during selection
1525 // !formatChange: normal seek
1526 if ((seeking || formatChange)
1527 && (trackType == MEDIA_TRACK_TYPE_AUDIO
1528 || trackType == MEDIA_TRACK_TYPE_VIDEO)) {
1529 ATSParser::DiscontinuityType type = (formatChange && seeking)
1530 ? ATSParser::DISCONTINUITY_FORMATCHANGE
1531 : ATSParser::DISCONTINUITY_NONE;
1532 track->mPackets->queueDiscontinuity(type, NULL /* extra */, true /* discard */);
1533 }
1534 }
1535
BufferingMonitor(const sp<AMessage> & notify)1536 NuPlayer::GenericSource::BufferingMonitor::BufferingMonitor(const sp<AMessage> ¬ify)
1537 : mNotify(notify),
1538 mDurationUs(-1ll),
1539 mBitrate(-1ll),
1540 mIsStreaming(false),
1541 mAudioTimeUs(0),
1542 mVideoTimeUs(0),
1543 mPollBufferingGeneration(0),
1544 mPrepareBuffering(false),
1545 mBuffering(false),
1546 mPrevBufferPercentage(-1),
1547 mOffloadAudio(false),
1548 mFirstDequeuedBufferRealUs(-1ll),
1549 mFirstDequeuedBufferMediaUs(-1ll),
1550 mlastDequeuedBufferMediaUs(-1ll) {
1551 getDefaultBufferingSettings(&mSettings);
1552 }
1553
~BufferingMonitor()1554 NuPlayer::GenericSource::BufferingMonitor::~BufferingMonitor() {
1555 }
1556
getDefaultBufferingSettings(BufferingSettings * buffering)1557 void NuPlayer::GenericSource::BufferingMonitor::getDefaultBufferingSettings(
1558 BufferingSettings *buffering /* nonnull */) {
1559 buffering->mInitialBufferingMode = BUFFERING_MODE_TIME_ONLY;
1560 buffering->mRebufferingMode = BUFFERING_MODE_TIME_THEN_SIZE;
1561 buffering->mInitialWatermarkMs = kHighWaterMarkMs;
1562 buffering->mRebufferingWatermarkLowMs = kLowWaterMarkMs;
1563 buffering->mRebufferingWatermarkHighMs = kHighWaterMarkRebufferMs;
1564 buffering->mRebufferingWatermarkLowKB = kLowWaterMarkKB;
1565 buffering->mRebufferingWatermarkHighKB = kHighWaterMarkKB;
1566
1567 ALOGV("BufferingMonitor::getDefaultBufferingSettings{%s}",
1568 buffering->toString().string());
1569 }
1570
setBufferingSettings(const BufferingSettings & buffering)1571 status_t NuPlayer::GenericSource::BufferingMonitor::setBufferingSettings(
1572 const BufferingSettings &buffering) {
1573 ALOGV("BufferingMonitor::setBufferingSettings{%s}",
1574 buffering.toString().string());
1575
1576 Mutex::Autolock _l(mLock);
1577 if (buffering.IsSizeBasedBufferingMode(buffering.mInitialBufferingMode)
1578 || (buffering.IsTimeBasedBufferingMode(buffering.mRebufferingMode)
1579 && buffering.mRebufferingWatermarkLowMs > buffering.mRebufferingWatermarkHighMs)
1580 || (buffering.IsSizeBasedBufferingMode(buffering.mRebufferingMode)
1581 && buffering.mRebufferingWatermarkLowKB > buffering.mRebufferingWatermarkHighKB)) {
1582 return BAD_VALUE;
1583 }
1584 mSettings = buffering;
1585 if (mSettings.mInitialBufferingMode == BUFFERING_MODE_NONE) {
1586 mSettings.mInitialWatermarkMs = BufferingSettings::kNoWatermark;
1587 }
1588 if (!mSettings.IsTimeBasedBufferingMode(mSettings.mRebufferingMode)) {
1589 mSettings.mRebufferingWatermarkLowMs = BufferingSettings::kNoWatermark;
1590 mSettings.mRebufferingWatermarkHighMs = INT32_MAX;
1591 }
1592 if (!mSettings.IsSizeBasedBufferingMode(mSettings.mRebufferingMode)) {
1593 mSettings.mRebufferingWatermarkLowKB = BufferingSettings::kNoWatermark;
1594 mSettings.mRebufferingWatermarkHighKB = INT32_MAX;
1595 }
1596 return OK;
1597 }
1598
prepare(const sp<NuCachedSource2> & cachedSource,int64_t durationUs,int64_t bitrate,bool isStreaming)1599 void NuPlayer::GenericSource::BufferingMonitor::prepare(
1600 const sp<NuCachedSource2> &cachedSource,
1601 int64_t durationUs,
1602 int64_t bitrate,
1603 bool isStreaming) {
1604 Mutex::Autolock _l(mLock);
1605 prepare_l(cachedSource, durationUs, bitrate, isStreaming);
1606 }
1607
stop()1608 void NuPlayer::GenericSource::BufferingMonitor::stop() {
1609 Mutex::Autolock _l(mLock);
1610 prepare_l(NULL /* cachedSource */, -1 /* durationUs */,
1611 -1 /* bitrate */, false /* isStreaming */);
1612 }
1613
cancelPollBuffering()1614 void NuPlayer::GenericSource::BufferingMonitor::cancelPollBuffering() {
1615 Mutex::Autolock _l(mLock);
1616 cancelPollBuffering_l();
1617 }
1618
restartPollBuffering()1619 void NuPlayer::GenericSource::BufferingMonitor::restartPollBuffering() {
1620 Mutex::Autolock _l(mLock);
1621 if (mIsStreaming) {
1622 cancelPollBuffering_l();
1623 onPollBuffering_l();
1624 }
1625 }
1626
stopBufferingIfNecessary()1627 void NuPlayer::GenericSource::BufferingMonitor::stopBufferingIfNecessary() {
1628 Mutex::Autolock _l(mLock);
1629 stopBufferingIfNecessary_l();
1630 }
1631
ensureCacheIsFetching()1632 void NuPlayer::GenericSource::BufferingMonitor::ensureCacheIsFetching() {
1633 Mutex::Autolock _l(mLock);
1634 ensureCacheIsFetching_l();
1635 }
1636
updateQueuedTime(bool isAudio,int64_t timeUs)1637 void NuPlayer::GenericSource::BufferingMonitor::updateQueuedTime(bool isAudio, int64_t timeUs) {
1638 Mutex::Autolock _l(mLock);
1639 if (isAudio) {
1640 mAudioTimeUs = timeUs;
1641 } else {
1642 mVideoTimeUs = timeUs;
1643 }
1644 }
1645
setOffloadAudio(bool offload)1646 void NuPlayer::GenericSource::BufferingMonitor::setOffloadAudio(bool offload) {
1647 Mutex::Autolock _l(mLock);
1648 mOffloadAudio = offload;
1649 }
1650
updateDequeuedBufferTime(int64_t mediaUs)1651 void NuPlayer::GenericSource::BufferingMonitor::updateDequeuedBufferTime(int64_t mediaUs) {
1652 Mutex::Autolock _l(mLock);
1653 if (mediaUs < 0) {
1654 mFirstDequeuedBufferRealUs = -1ll;
1655 mFirstDequeuedBufferMediaUs = -1ll;
1656 } else if (mFirstDequeuedBufferRealUs < 0) {
1657 mFirstDequeuedBufferRealUs = ALooper::GetNowUs();
1658 mFirstDequeuedBufferMediaUs = mediaUs;
1659 }
1660 mlastDequeuedBufferMediaUs = mediaUs;
1661 }
1662
prepare_l(const sp<NuCachedSource2> & cachedSource,int64_t durationUs,int64_t bitrate,bool isStreaming)1663 void NuPlayer::GenericSource::BufferingMonitor::prepare_l(
1664 const sp<NuCachedSource2> &cachedSource,
1665 int64_t durationUs,
1666 int64_t bitrate,
1667 bool isStreaming) {
1668
1669 mCachedSource = cachedSource;
1670 mDurationUs = durationUs;
1671 mBitrate = bitrate;
1672 mIsStreaming = isStreaming;
1673 mAudioTimeUs = 0;
1674 mVideoTimeUs = 0;
1675 mPrepareBuffering = (cachedSource != NULL);
1676 cancelPollBuffering_l();
1677 mOffloadAudio = false;
1678 mFirstDequeuedBufferRealUs = -1ll;
1679 mFirstDequeuedBufferMediaUs = -1ll;
1680 mlastDequeuedBufferMediaUs = -1ll;
1681 }
1682
cancelPollBuffering_l()1683 void NuPlayer::GenericSource::BufferingMonitor::cancelPollBuffering_l() {
1684 mBuffering = false;
1685 ++mPollBufferingGeneration;
1686 mPrevBufferPercentage = -1;
1687 }
1688
notifyBufferingUpdate_l(int32_t percentage)1689 void NuPlayer::GenericSource::BufferingMonitor::notifyBufferingUpdate_l(int32_t percentage) {
1690 // Buffering percent could go backward as it's estimated from remaining
1691 // data and last access time. This could cause the buffering position
1692 // drawn on media control to jitter slightly. Remember previously reported
1693 // percentage and don't allow it to go backward.
1694 if (percentage < mPrevBufferPercentage) {
1695 percentage = mPrevBufferPercentage;
1696 } else if (percentage > 100) {
1697 percentage = 100;
1698 }
1699
1700 mPrevBufferPercentage = percentage;
1701
1702 ALOGV("notifyBufferingUpdate_l: buffering %d%%", percentage);
1703
1704 sp<AMessage> msg = mNotify->dup();
1705 msg->setInt32("what", kWhatBufferingUpdate);
1706 msg->setInt32("percentage", percentage);
1707 msg->post();
1708 }
1709
startBufferingIfNecessary_l()1710 void NuPlayer::GenericSource::BufferingMonitor::startBufferingIfNecessary_l() {
1711 if (mPrepareBuffering) {
1712 return;
1713 }
1714
1715 if (!mBuffering) {
1716 ALOGD("startBufferingIfNecessary_l");
1717
1718 mBuffering = true;
1719
1720 ensureCacheIsFetching_l();
1721 sendCacheStats_l();
1722
1723 sp<AMessage> notify = mNotify->dup();
1724 notify->setInt32("what", kWhatPauseOnBufferingStart);
1725 notify->post();
1726 }
1727 }
1728
stopBufferingIfNecessary_l()1729 void NuPlayer::GenericSource::BufferingMonitor::stopBufferingIfNecessary_l() {
1730 if (mPrepareBuffering) {
1731 ALOGD("stopBufferingIfNecessary_l, mBuffering=%d", mBuffering);
1732
1733 mPrepareBuffering = false;
1734
1735 sp<AMessage> notify = mNotify->dup();
1736 notify->setInt32("what", kWhatPrepared);
1737 notify->setInt32("err", OK);
1738 notify->post();
1739
1740 return;
1741 }
1742
1743 if (mBuffering) {
1744 ALOGD("stopBufferingIfNecessary_l");
1745 mBuffering = false;
1746
1747 sendCacheStats_l();
1748
1749 sp<AMessage> notify = mNotify->dup();
1750 notify->setInt32("what", kWhatResumeOnBufferingEnd);
1751 notify->post();
1752 }
1753 }
1754
sendCacheStats_l()1755 void NuPlayer::GenericSource::BufferingMonitor::sendCacheStats_l() {
1756 int32_t kbps = 0;
1757 status_t err = UNKNOWN_ERROR;
1758
1759 if (mCachedSource != NULL) {
1760 err = mCachedSource->getEstimatedBandwidthKbps(&kbps);
1761 }
1762
1763 if (err == OK) {
1764 sp<AMessage> notify = mNotify->dup();
1765 notify->setInt32("what", kWhatCacheStats);
1766 notify->setInt32("bandwidth", kbps);
1767 notify->post();
1768 }
1769 }
1770
ensureCacheIsFetching_l()1771 void NuPlayer::GenericSource::BufferingMonitor::ensureCacheIsFetching_l() {
1772 if (mCachedSource != NULL) {
1773 mCachedSource->resumeFetchingIfNecessary();
1774 }
1775 }
1776
schedulePollBuffering_l()1777 void NuPlayer::GenericSource::BufferingMonitor::schedulePollBuffering_l() {
1778 sp<AMessage> msg = new AMessage(kWhatPollBuffering, this);
1779 msg->setInt32("generation", mPollBufferingGeneration);
1780 // Enquires buffering status every second.
1781 msg->post(1000000ll);
1782 }
1783
getLastReadPosition_l()1784 int64_t NuPlayer::GenericSource::BufferingMonitor::getLastReadPosition_l() {
1785 if (mAudioTimeUs > 0) {
1786 return mAudioTimeUs;
1787 } else if (mVideoTimeUs > 0) {
1788 return mVideoTimeUs;
1789 } else {
1790 return 0;
1791 }
1792 }
1793
onPollBuffering_l()1794 void NuPlayer::GenericSource::BufferingMonitor::onPollBuffering_l() {
1795 status_t finalStatus = UNKNOWN_ERROR;
1796 int64_t cachedDurationUs = -1ll;
1797 ssize_t cachedDataRemaining = -1;
1798
1799 if (mCachedSource != NULL) {
1800 cachedDataRemaining =
1801 mCachedSource->approxDataRemaining(&finalStatus);
1802
1803 if (finalStatus == OK) {
1804 off64_t size;
1805 int64_t bitrate = 0ll;
1806 if (mDurationUs > 0 && mCachedSource->getSize(&size) == OK) {
1807 // |bitrate| uses bits/second unit, while size is number of bytes.
1808 bitrate = size * 8000000ll / mDurationUs;
1809 } else if (mBitrate > 0) {
1810 bitrate = mBitrate;
1811 }
1812 if (bitrate > 0) {
1813 cachedDurationUs = cachedDataRemaining * 8000000ll / bitrate;
1814 }
1815 }
1816 }
1817
1818 if (finalStatus != OK) {
1819 ALOGV("onPollBuffering_l: EOS (finalStatus = %d)", finalStatus);
1820
1821 if (finalStatus == ERROR_END_OF_STREAM) {
1822 notifyBufferingUpdate_l(100);
1823 }
1824
1825 stopBufferingIfNecessary_l();
1826 return;
1827 }
1828
1829 if (cachedDurationUs >= 0ll) {
1830 if (mDurationUs > 0ll) {
1831 int64_t cachedPosUs = getLastReadPosition_l() + cachedDurationUs;
1832 int percentage = 100.0 * cachedPosUs / mDurationUs;
1833 if (percentage > 100) {
1834 percentage = 100;
1835 }
1836
1837 notifyBufferingUpdate_l(percentage);
1838 }
1839
1840 ALOGV("onPollBuffering_l: cachedDurationUs %.1f sec", cachedDurationUs / 1000000.0f);
1841
1842 if (mPrepareBuffering) {
1843 if (cachedDurationUs > mSettings.mInitialWatermarkMs * 1000) {
1844 stopBufferingIfNecessary_l();
1845 }
1846 } else if (mSettings.IsTimeBasedBufferingMode(mSettings.mRebufferingMode)) {
1847 if (cachedDurationUs < mSettings.mRebufferingWatermarkLowMs * 1000) {
1848 // Take into account the data cached in downstream components to try to avoid
1849 // unnecessary pause.
1850 if (mOffloadAudio && mFirstDequeuedBufferRealUs >= 0) {
1851 int64_t downStreamCacheUs =
1852 mlastDequeuedBufferMediaUs - mFirstDequeuedBufferMediaUs
1853 - (ALooper::GetNowUs() - mFirstDequeuedBufferRealUs);
1854 if (downStreamCacheUs > 0) {
1855 cachedDurationUs += downStreamCacheUs;
1856 }
1857 }
1858
1859 if (cachedDurationUs < mSettings.mRebufferingWatermarkLowMs * 1000) {
1860 startBufferingIfNecessary_l();
1861 }
1862 } else if (cachedDurationUs > mSettings.mRebufferingWatermarkHighMs * 1000) {
1863 stopBufferingIfNecessary_l();
1864 }
1865 }
1866 } else if (cachedDataRemaining >= 0
1867 && mSettings.IsSizeBasedBufferingMode(mSettings.mRebufferingMode)) {
1868 ALOGV("onPollBuffering_l: cachedDataRemaining %zd bytes",
1869 cachedDataRemaining);
1870
1871 if (cachedDataRemaining < (mSettings.mRebufferingWatermarkLowKB << 10)) {
1872 startBufferingIfNecessary_l();
1873 } else if (cachedDataRemaining > (mSettings.mRebufferingWatermarkHighKB << 10)) {
1874 stopBufferingIfNecessary_l();
1875 }
1876 }
1877
1878 schedulePollBuffering_l();
1879 }
1880
onMessageReceived(const sp<AMessage> & msg)1881 void NuPlayer::GenericSource::BufferingMonitor::onMessageReceived(const sp<AMessage> &msg) {
1882 switch (msg->what()) {
1883 case kWhatPollBuffering:
1884 {
1885 int32_t generation;
1886 CHECK(msg->findInt32("generation", &generation));
1887 Mutex::Autolock _l(mLock);
1888 if (generation == mPollBufferingGeneration) {
1889 onPollBuffering_l();
1890 }
1891 break;
1892 }
1893 default:
1894 TRESPASS();
1895 break;
1896 }
1897 }
1898
1899 // Modular DRM
prepareDrm(const uint8_t uuid[16],const Vector<uint8_t> & drmSessionId,sp<ICrypto> * crypto)1900 status_t NuPlayer::GenericSource::prepareDrm(
1901 const uint8_t uuid[16], const Vector<uint8_t> &drmSessionId, sp<ICrypto> *crypto)
1902 {
1903 ALOGV("prepareDrm");
1904
1905 sp<AMessage> msg = new AMessage(kWhatPrepareDrm, this);
1906 // synchronous call so just passing the address but with local copies of "const" args
1907 uint8_t UUID[16];
1908 memcpy(UUID, uuid, sizeof(UUID));
1909 Vector<uint8_t> sessionId = drmSessionId;
1910 msg->setPointer("uuid", (void*)UUID);
1911 msg->setPointer("drmSessionId", (void*)&sessionId);
1912 msg->setPointer("crypto", (void*)crypto);
1913
1914 sp<AMessage> response;
1915 status_t status = msg->postAndAwaitResponse(&response);
1916
1917 if (status == OK && response != NULL) {
1918 CHECK(response->findInt32("status", &status));
1919 ALOGV_IF(status == OK, "prepareDrm: mCrypto: %p (%d)", crypto->get(),
1920 (*crypto != NULL ? (*crypto)->getStrongCount() : 0));
1921 ALOGD("prepareDrm ret: %d ", status);
1922 } else {
1923 ALOGE("prepareDrm err: %d", status);
1924 }
1925
1926 return status;
1927 }
1928
releaseDrm()1929 status_t NuPlayer::GenericSource::releaseDrm()
1930 {
1931 ALOGV("releaseDrm");
1932
1933 sp<AMessage> msg = new AMessage(kWhatReleaseDrm, this);
1934
1935 // synchronous call to update the source states before the player proceedes with crypto cleanup
1936 sp<AMessage> response;
1937 status_t status = msg->postAndAwaitResponse(&response);
1938
1939 if (status == OK && response != NULL) {
1940 ALOGD("releaseDrm ret: OK ");
1941 } else {
1942 ALOGE("releaseDrm err: %d", status);
1943 }
1944
1945 return status;
1946 }
1947
onPrepareDrm(const sp<AMessage> & msg)1948 status_t NuPlayer::GenericSource::onPrepareDrm(const sp<AMessage> &msg)
1949 {
1950 ALOGV("onPrepareDrm ");
1951
1952 mIsDrmProtected = false;
1953 mIsDrmReleased = false;
1954 mIsSecure = false;
1955
1956 uint8_t *uuid;
1957 Vector<uint8_t> *drmSessionId;
1958 sp<ICrypto> *outCrypto;
1959 CHECK(msg->findPointer("uuid", (void**)&uuid));
1960 CHECK(msg->findPointer("drmSessionId", (void**)&drmSessionId));
1961 CHECK(msg->findPointer("crypto", (void**)&outCrypto));
1962
1963 status_t status = OK;
1964 sp<ICrypto> crypto = NuPlayerDrm::createCryptoAndPlugin(uuid, *drmSessionId, status);
1965 if (crypto == NULL) {
1966 ALOGE("onPrepareDrm: createCrypto failed. status: %d", status);
1967 return status;
1968 }
1969 ALOGV("onPrepareDrm: createCryptoAndPlugin succeeded for uuid: %s",
1970 DrmUUID::toHexString(uuid).string());
1971
1972 *outCrypto = crypto;
1973 // as long a there is an active crypto
1974 mIsDrmProtected = true;
1975
1976 if (mMimes.size() == 0) {
1977 status = UNKNOWN_ERROR;
1978 ALOGE("onPrepareDrm: Unexpected. Must have at least one track. status: %d", status);
1979 return status;
1980 }
1981
1982 // first mime in this list is either the video track, or the first audio track
1983 const char *mime = mMimes[0].string();
1984 mIsSecure = crypto->requiresSecureDecoderComponent(mime);
1985 ALOGV("onPrepareDrm: requiresSecureDecoderComponent mime: %s isSecure: %d",
1986 mime, mIsSecure);
1987
1988 // Checking the member flags while in the looper to send out the notification.
1989 // The legacy mDecryptHandle!=NULL check (for FLAG_PROTECTED) is equivalent to mIsDrmProtected.
1990 notifyFlagsChanged(
1991 (mIsSecure ? FLAG_SECURE : 0) |
1992 // Setting "protected screen" only for L1: b/38390836
1993 (mIsSecure ? FLAG_PROTECTED : 0) |
1994 FLAG_CAN_PAUSE |
1995 FLAG_CAN_SEEK_BACKWARD |
1996 FLAG_CAN_SEEK_FORWARD |
1997 FLAG_CAN_SEEK);
1998
1999 return status;
2000 }
2001
onReleaseDrm()2002 status_t NuPlayer::GenericSource::onReleaseDrm()
2003 {
2004 if (mIsDrmProtected) {
2005 mIsDrmProtected = false;
2006 // to prevent returning any more buffer after stop/releaseDrm (b/37960096)
2007 mIsDrmReleased = true;
2008 ALOGV("onReleaseDrm: mIsDrmProtected is reset.");
2009 } else {
2010 ALOGE("onReleaseDrm: mIsDrmProtected is already false.");
2011 }
2012
2013 return OK;
2014 }
2015
checkDrmInfo()2016 status_t NuPlayer::GenericSource::checkDrmInfo()
2017 {
2018 // clearing the flag at prepare in case the player is reused after stop/releaseDrm with the
2019 // same source without being reset (called by prepareAsync/initFromDataSource)
2020 mIsDrmReleased = false;
2021
2022 if (mFileMeta == NULL) {
2023 ALOGI("checkDrmInfo: No metadata");
2024 return OK; // letting the caller responds accordingly
2025 }
2026
2027 uint32_t type;
2028 const void *pssh;
2029 size_t psshsize;
2030
2031 if (!mFileMeta->findData(kKeyPssh, &type, &pssh, &psshsize)) {
2032 ALOGV("checkDrmInfo: No PSSH");
2033 return OK; // source without DRM info
2034 }
2035
2036 Parcel parcel;
2037 NuPlayerDrm::retrieveDrmInfo(pssh, psshsize, &parcel);
2038 ALOGV("checkDrmInfo: MEDIA_DRM_INFO PSSH size: %d Parcel size: %d objects#: %d",
2039 (int)psshsize, (int)parcel.dataSize(), (int)parcel.objectsCount());
2040
2041 if (parcel.dataSize() == 0) {
2042 ALOGE("checkDrmInfo: Unexpected parcel size: 0");
2043 return UNKNOWN_ERROR;
2044 }
2045
2046 // Can't pass parcel as a message to the player. Converting Parcel->ABuffer to pass it
2047 // to the Player's onSourceNotify then back to Parcel for calling driver's notifyListener.
2048 sp<ABuffer> drmInfoBuffer = ABuffer::CreateAsCopy(parcel.data(), parcel.dataSize());
2049 notifyDrmInfo(drmInfoBuffer);
2050
2051 return OK;
2052 }
2053
signalBufferReturned(MediaBuffer * buffer)2054 void NuPlayer::GenericSource::signalBufferReturned(MediaBuffer *buffer)
2055 {
2056 //ALOGV("signalBufferReturned %p refCount: %d", buffer, buffer->localRefcount());
2057
2058 buffer->setObserver(NULL);
2059 buffer->release(); // this leads to delete since that there is no observor
2060 }
2061
2062 } // namespace android
2063