NuPlayer.cpp revision 0852917279f79a94907e9906d0533ae409a30f6a 
1/*
2 * Copyright (C) 2010 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 "NuPlayer"
19#include <utils/Log.h>
20
21#include "NuPlayer.h"
22
23#include "HTTPLiveSource.h"
24#include "NuPlayerDecoder.h"
25#include "NuPlayerDecoderPassThrough.h"
26#include "NuPlayerDriver.h"
27#include "NuPlayerRenderer.h"
28#include "NuPlayerSource.h"
29#include "RTSPSource.h"
30#include "StreamingSource.h"
31#include "GenericSource.h"
32#include "TextDescriptions.h"
33
34#include "ATSParser.h"
35
36#include <media/stagefright/foundation/hexdump.h>
37#include <media/stagefright/foundation/ABuffer.h>
38#include <media/stagefright/foundation/ADebug.h>
39#include <media/stagefright/foundation/AMessage.h>
40#include <media/stagefright/MediaBuffer.h>
41#include <media/stagefright/MediaDefs.h>
42#include <media/stagefright/MediaErrors.h>
43#include <media/stagefright/MetaData.h>
44#include <gui/IGraphicBufferProducer.h>
45
46#include "avc_utils.h"
47
48#include "ESDS.h"
49#include <media/stagefright/Utils.h>
50
51namespace android {
52
53// TODO optimize buffer size for power consumption
54// The offload read buffer size is 32 KB but 24 KB uses less power.
55const size_t NuPlayer::kAggregateBufferSizeBytes = 24 * 1024;
56
57struct NuPlayer::Action : public RefBase {
58    Action() {}
59
60    virtual void execute(NuPlayer *player) = 0;
61
62private:
63    DISALLOW_EVIL_CONSTRUCTORS(Action);
64};
65
66struct NuPlayer::SeekAction : public Action {
67    SeekAction(int64_t seekTimeUs, bool needNotify)
68        : mSeekTimeUs(seekTimeUs),
69          mNeedNotify(needNotify) {
70    }
71
72    virtual void execute(NuPlayer *player) {
73        player->performSeek(mSeekTimeUs, mNeedNotify);
74    }
75
76private:
77    int64_t mSeekTimeUs;
78    bool mNeedNotify;
79
80    DISALLOW_EVIL_CONSTRUCTORS(SeekAction);
81};
82
83struct NuPlayer::SetSurfaceAction : public Action {
84    SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper)
85        : mWrapper(wrapper) {
86    }
87
88    virtual void execute(NuPlayer *player) {
89        player->performSetSurface(mWrapper);
90    }
91
92private:
93    sp<NativeWindowWrapper> mWrapper;
94
95    DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction);
96};
97
98struct NuPlayer::ShutdownDecoderAction : public Action {
99    ShutdownDecoderAction(bool audio, bool video)
100        : mAudio(audio),
101          mVideo(video) {
102    }
103
104    virtual void execute(NuPlayer *player) {
105        player->performDecoderShutdown(mAudio, mVideo);
106    }
107
108private:
109    bool mAudio;
110    bool mVideo;
111
112    DISALLOW_EVIL_CONSTRUCTORS(ShutdownDecoderAction);
113};
114
115struct NuPlayer::PostMessageAction : public Action {
116    PostMessageAction(const sp<AMessage> &msg)
117        : mMessage(msg) {
118    }
119
120    virtual void execute(NuPlayer *) {
121        mMessage->post();
122    }
123
124private:
125    sp<AMessage> mMessage;
126
127    DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction);
128};
129
130// Use this if there's no state necessary to save in order to execute
131// the action.
132struct NuPlayer::SimpleAction : public Action {
133    typedef void (NuPlayer::*ActionFunc)();
134
135    SimpleAction(ActionFunc func)
136        : mFunc(func) {
137    }
138
139    virtual void execute(NuPlayer *player) {
140        (player->*mFunc)();
141    }
142
143private:
144    ActionFunc mFunc;
145
146    DISALLOW_EVIL_CONSTRUCTORS(SimpleAction);
147};
148
149////////////////////////////////////////////////////////////////////////////////
150
151NuPlayer::NuPlayer()
152    : mUIDValid(false),
153      mSourceFlags(0),
154      mCurrentPositionUs(0),
155      mVideoIsAVC(false),
156      mOffloadAudio(false),
157      mCurrentOffloadInfo(AUDIO_INFO_INITIALIZER),
158      mAudioDecoderGeneration(0),
159      mVideoDecoderGeneration(0),
160      mRendererGeneration(0),
161      mAudioEOS(false),
162      mVideoEOS(false),
163      mScanSourcesPending(false),
164      mScanSourcesGeneration(0),
165      mPollDurationGeneration(0),
166      mTimedTextGeneration(0),
167      mTimeDiscontinuityPending(false),
168      mFlushingAudio(NONE),
169      mFlushingVideo(NONE),
170      mSkipRenderingAudioUntilMediaTimeUs(-1ll),
171      mSkipRenderingVideoUntilMediaTimeUs(-1ll),
172      mVideoLateByUs(0ll),
173      mNumFramesTotal(0ll),
174      mNumFramesDropped(0ll),
175      mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW),
176      mStarted(false) {
177}
178
179NuPlayer::~NuPlayer() {
180}
181
182void NuPlayer::setUID(uid_t uid) {
183    mUIDValid = true;
184    mUID = uid;
185}
186
187void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) {
188    mDriver = driver;
189}
190
191void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) {
192    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
193
194    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
195
196    msg->setObject("source", new StreamingSource(notify, source));
197    msg->post();
198}
199
200static bool IsHTTPLiveURL(const char *url) {
201    if (!strncasecmp("http://", url, 7)
202            || !strncasecmp("https://", url, 8)
203            || !strncasecmp("file://", url, 7)) {
204        size_t len = strlen(url);
205        if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
206            return true;
207        }
208
209        if (strstr(url,"m3u8")) {
210            return true;
211        }
212    }
213
214    return false;
215}
216
217void NuPlayer::setDataSourceAsync(
218        const sp<IMediaHTTPService> &httpService,
219        const char *url,
220        const KeyedVector<String8, String8> *headers) {
221
222    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
223    size_t len = strlen(url);
224
225    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
226
227    sp<Source> source;
228    if (IsHTTPLiveURL(url)) {
229        source = new HTTPLiveSource(notify, httpService, url, headers);
230    } else if (!strncasecmp(url, "rtsp://", 7)) {
231        source = new RTSPSource(
232                notify, httpService, url, headers, mUIDValid, mUID);
233    } else if ((!strncasecmp(url, "http://", 7)
234                || !strncasecmp(url, "https://", 8))
235                    && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4]))
236                    || strstr(url, ".sdp?"))) {
237        source = new RTSPSource(
238                notify, httpService, url, headers, mUIDValid, mUID, true);
239    } else {
240        sp<GenericSource> genericSource =
241                new GenericSource(notify, mUIDValid, mUID);
242        // Don't set FLAG_SECURE on mSourceFlags here for widevine.
243        // The correct flags will be updated in Source::kWhatFlagsChanged
244        // handler when  GenericSource is prepared.
245
246        status_t err = genericSource->setDataSource(httpService, url, headers);
247
248        if (err == OK) {
249            source = genericSource;
250        } else {
251            ALOGE("Failed to set data source!");
252        }
253    }
254    msg->setObject("source", source);
255    msg->post();
256}
257
258void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) {
259    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
260
261    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
262
263    sp<GenericSource> source =
264            new GenericSource(notify, mUIDValid, mUID);
265
266    status_t err = source->setDataSource(fd, offset, length);
267
268    if (err != OK) {
269        ALOGE("Failed to set data source!");
270        source = NULL;
271    }
272
273    msg->setObject("source", source);
274    msg->post();
275}
276
277void NuPlayer::prepareAsync() {
278    (new AMessage(kWhatPrepare, id()))->post();
279}
280
281void NuPlayer::setVideoSurfaceTextureAsync(
282        const sp<IGraphicBufferProducer> &bufferProducer) {
283    sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id());
284
285    if (bufferProducer == NULL) {
286        msg->setObject("native-window", NULL);
287    } else {
288        msg->setObject(
289                "native-window",
290                new NativeWindowWrapper(
291                    new Surface(bufferProducer, true /* controlledByApp */)));
292    }
293
294    msg->post();
295}
296
297void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) {
298    sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id());
299    msg->setObject("sink", sink);
300    msg->post();
301}
302
303void NuPlayer::start() {
304    (new AMessage(kWhatStart, id()))->post();
305}
306
307void NuPlayer::pause() {
308    (new AMessage(kWhatPause, id()))->post();
309}
310
311void NuPlayer::resume() {
312    (new AMessage(kWhatResume, id()))->post();
313}
314
315void NuPlayer::resetAsync() {
316    if (mSource != NULL) {
317        // During a reset, the data source might be unresponsive already, we need to
318        // disconnect explicitly so that reads exit promptly.
319        // We can't queue the disconnect request to the looper, as it might be
320        // queued behind a stuck read and never gets processed.
321        // Doing a disconnect outside the looper to allows the pending reads to exit
322        // (either successfully or with error).
323        mSource->disconnect();
324    }
325
326    (new AMessage(kWhatReset, id()))->post();
327}
328
329void NuPlayer::seekToAsync(int64_t seekTimeUs, bool needNotify) {
330    sp<AMessage> msg = new AMessage(kWhatSeek, id());
331    msg->setInt64("seekTimeUs", seekTimeUs);
332    msg->setInt32("needNotify", needNotify);
333    msg->post();
334}
335
336// static
337bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) {
338    switch (state) {
339        case FLUSHING_DECODER:
340            if (needShutdown != NULL) {
341                *needShutdown = false;
342            }
343            return true;
344
345        case FLUSHING_DECODER_SHUTDOWN:
346            if (needShutdown != NULL) {
347                *needShutdown = true;
348            }
349            return true;
350
351        default:
352            return false;
353    }
354}
355
356void NuPlayer::writeTrackInfo(
357        Parcel* reply, const sp<AMessage> format) const {
358    int32_t trackType;
359    CHECK(format->findInt32("type", &trackType));
360
361    AString lang;
362    CHECK(format->findString("language", &lang));
363
364    reply->writeInt32(2); // write something non-zero
365    reply->writeInt32(trackType);
366    reply->writeString16(String16(lang.c_str()));
367
368    if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
369        AString mime;
370        CHECK(format->findString("mime", &mime));
371
372        int32_t isAuto, isDefault, isForced;
373        CHECK(format->findInt32("auto", &isAuto));
374        CHECK(format->findInt32("default", &isDefault));
375        CHECK(format->findInt32("forced", &isForced));
376
377        reply->writeString16(String16(mime.c_str()));
378        reply->writeInt32(isAuto);
379        reply->writeInt32(isDefault);
380        reply->writeInt32(isForced);
381    }
382}
383
384void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
385    switch (msg->what()) {
386        case kWhatSetDataSource:
387        {
388            ALOGV("kWhatSetDataSource");
389
390            CHECK(mSource == NULL);
391
392            status_t err = OK;
393            sp<RefBase> obj;
394            CHECK(msg->findObject("source", &obj));
395            if (obj != NULL) {
396                mSource = static_cast<Source *>(obj.get());
397            } else {
398                err = UNKNOWN_ERROR;
399            }
400
401            CHECK(mDriver != NULL);
402            sp<NuPlayerDriver> driver = mDriver.promote();
403            if (driver != NULL) {
404                driver->notifySetDataSourceCompleted(err);
405            }
406            break;
407        }
408
409        case kWhatPrepare:
410        {
411            mSource->prepareAsync();
412            break;
413        }
414
415        case kWhatGetTrackInfo:
416        {
417            uint32_t replyID;
418            CHECK(msg->senderAwaitsResponse(&replyID));
419
420            Parcel* reply;
421            CHECK(msg->findPointer("reply", (void**)&reply));
422
423            size_t inbandTracks = 0;
424            if (mSource != NULL) {
425                inbandTracks = mSource->getTrackCount();
426            }
427
428            size_t ccTracks = 0;
429            if (mCCDecoder != NULL) {
430                ccTracks = mCCDecoder->getTrackCount();
431            }
432
433            // total track count
434            reply->writeInt32(inbandTracks + ccTracks);
435
436            // write inband tracks
437            for (size_t i = 0; i < inbandTracks; ++i) {
438                writeTrackInfo(reply, mSource->getTrackInfo(i));
439            }
440
441            // write CC track
442            for (size_t i = 0; i < ccTracks; ++i) {
443                writeTrackInfo(reply, mCCDecoder->getTrackInfo(i));
444            }
445
446            sp<AMessage> response = new AMessage;
447            response->postReply(replyID);
448            break;
449        }
450
451        case kWhatGetSelectedTrack:
452        {
453            status_t err = INVALID_OPERATION;
454            if (mSource != NULL) {
455                err = OK;
456
457                int32_t type32;
458                CHECK(msg->findInt32("type", (int32_t*)&type32));
459                media_track_type type = (media_track_type)type32;
460                ssize_t selectedTrack = mSource->getSelectedTrack(type);
461
462                Parcel* reply;
463                CHECK(msg->findPointer("reply", (void**)&reply));
464                reply->writeInt32(selectedTrack);
465            }
466
467            sp<AMessage> response = new AMessage;
468            response->setInt32("err", err);
469
470            uint32_t replyID;
471            CHECK(msg->senderAwaitsResponse(&replyID));
472            response->postReply(replyID);
473            break;
474        }
475
476        case kWhatSelectTrack:
477        {
478            uint32_t replyID;
479            CHECK(msg->senderAwaitsResponse(&replyID));
480
481            size_t trackIndex;
482            int32_t select;
483            CHECK(msg->findSize("trackIndex", &trackIndex));
484            CHECK(msg->findInt32("select", &select));
485
486            status_t err = INVALID_OPERATION;
487
488            size_t inbandTracks = 0;
489            if (mSource != NULL) {
490                inbandTracks = mSource->getTrackCount();
491            }
492            size_t ccTracks = 0;
493            if (mCCDecoder != NULL) {
494                ccTracks = mCCDecoder->getTrackCount();
495            }
496
497            if (trackIndex < inbandTracks) {
498                err = mSource->selectTrack(trackIndex, select);
499
500                if (!select && err == OK) {
501                    int32_t type;
502                    sp<AMessage> info = mSource->getTrackInfo(trackIndex);
503                    if (info != NULL
504                            && info->findInt32("type", &type)
505                            && type == MEDIA_TRACK_TYPE_TIMEDTEXT) {
506                        ++mTimedTextGeneration;
507                    }
508                }
509            } else {
510                trackIndex -= inbandTracks;
511
512                if (trackIndex < ccTracks) {
513                    err = mCCDecoder->selectTrack(trackIndex, select);
514                }
515            }
516
517            sp<AMessage> response = new AMessage;
518            response->setInt32("err", err);
519
520            response->postReply(replyID);
521            break;
522        }
523
524        case kWhatPollDuration:
525        {
526            int32_t generation;
527            CHECK(msg->findInt32("generation", &generation));
528
529            if (generation != mPollDurationGeneration) {
530                // stale
531                break;
532            }
533
534            int64_t durationUs;
535            if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) {
536                sp<NuPlayerDriver> driver = mDriver.promote();
537                if (driver != NULL) {
538                    driver->notifyDuration(durationUs);
539                }
540            }
541
542            msg->post(1000000ll);  // poll again in a second.
543            break;
544        }
545
546        case kWhatSetVideoNativeWindow:
547        {
548            ALOGV("kWhatSetVideoNativeWindow");
549
550            mDeferredActions.push_back(
551                    new ShutdownDecoderAction(
552                        false /* audio */, true /* video */));
553
554            sp<RefBase> obj;
555            CHECK(msg->findObject("native-window", &obj));
556
557            mDeferredActions.push_back(
558                    new SetSurfaceAction(
559                        static_cast<NativeWindowWrapper *>(obj.get())));
560
561            if (obj != NULL) {
562                if (mStarted && mSource->getFormat(false /* audio */) != NULL) {
563                    // Issue a seek to refresh the video screen only if started otherwise
564                    // the extractor may not yet be started and will assert.
565                    // If the video decoder is not set (perhaps audio only in this case)
566                    // do not perform a seek as it is not needed.
567                    mDeferredActions.push_back(
568                            new SeekAction(mCurrentPositionUs, false /* needNotify */));
569                }
570
571                // If there is a new surface texture, instantiate decoders
572                // again if possible.
573                mDeferredActions.push_back(
574                        new SimpleAction(&NuPlayer::performScanSources));
575            }
576
577            processDeferredActions();
578            break;
579        }
580
581        case kWhatSetAudioSink:
582        {
583            ALOGV("kWhatSetAudioSink");
584
585            sp<RefBase> obj;
586            CHECK(msg->findObject("sink", &obj));
587
588            mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get());
589            break;
590        }
591
592        case kWhatStart:
593        {
594            ALOGV("kWhatStart");
595
596            mVideoIsAVC = false;
597            mOffloadAudio = false;
598            mAudioEOS = false;
599            mVideoEOS = false;
600            mSkipRenderingAudioUntilMediaTimeUs = -1;
601            mSkipRenderingVideoUntilMediaTimeUs = -1;
602            mVideoLateByUs = 0;
603            mNumFramesTotal = 0;
604            mNumFramesDropped = 0;
605            mStarted = true;
606
607            /* instantiate decoders now for secure playback */
608            if (mSourceFlags & Source::FLAG_SECURE) {
609                if (mNativeWindow != NULL) {
610                    instantiateDecoder(false, &mVideoDecoder);
611                }
612
613                if (mAudioSink != NULL) {
614                    instantiateDecoder(true, &mAudioDecoder);
615                }
616            }
617
618            mSource->start();
619
620            uint32_t flags = 0;
621
622            if (mSource->isRealTime()) {
623                flags |= Renderer::FLAG_REAL_TIME;
624            }
625
626            sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
627            audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
628            if (mAudioSink != NULL) {
629                streamType = mAudioSink->getAudioStreamType();
630            }
631
632            sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
633
634            mOffloadAudio =
635                canOffloadStream(audioMeta, (videoFormat != NULL),
636                                 true /* is_streaming */, streamType);
637            if (mOffloadAudio) {
638                flags |= Renderer::FLAG_OFFLOAD_AUDIO;
639            }
640
641            sp<AMessage> notify = new AMessage(kWhatRendererNotify, id());
642            ++mRendererGeneration;
643            notify->setInt32("generation", mRendererGeneration);
644            mRenderer = new Renderer(mAudioSink, notify, flags);
645
646            mRendererLooper = new ALooper;
647            mRendererLooper->setName("NuPlayerRenderer");
648            mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
649            mRendererLooper->registerHandler(mRenderer);
650
651            sp<MetaData> meta = getFileMeta();
652            int32_t rate;
653            if (meta != NULL
654                    && meta->findInt32(kKeyFrameRate, &rate) && rate > 0) {
655                mRenderer->setVideoFrameRate(rate);
656            }
657
658            postScanSources();
659            break;
660        }
661
662        case kWhatScanSources:
663        {
664            int32_t generation;
665            CHECK(msg->findInt32("generation", &generation));
666            if (generation != mScanSourcesGeneration) {
667                // Drop obsolete msg.
668                break;
669            }
670
671            mScanSourcesPending = false;
672
673            ALOGV("scanning sources haveAudio=%d, haveVideo=%d",
674                 mAudioDecoder != NULL, mVideoDecoder != NULL);
675
676            bool mHadAnySourcesBefore =
677                (mAudioDecoder != NULL) || (mVideoDecoder != NULL);
678
679            // initialize video before audio because successful initialization of
680            // video may change deep buffer mode of audio.
681            if (mNativeWindow != NULL) {
682                instantiateDecoder(false, &mVideoDecoder);
683            }
684
685            if (mAudioSink != NULL) {
686                if (mOffloadAudio) {
687                    // open audio sink early under offload mode.
688                    sp<AMessage> format = mSource->getFormat(true /*audio*/);
689                    openAudioSink(format, true /*offloadOnly*/);
690                }
691                instantiateDecoder(true, &mAudioDecoder);
692            }
693
694            if (!mHadAnySourcesBefore
695                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
696                // This is the first time we've found anything playable.
697
698                if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) {
699                    schedulePollDuration();
700                }
701            }
702
703            status_t err;
704            if ((err = mSource->feedMoreTSData()) != OK) {
705                if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
706                    // We're not currently decoding anything (no audio or
707                    // video tracks found) and we just ran out of input data.
708
709                    if (err == ERROR_END_OF_STREAM) {
710                        notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
711                    } else {
712                        notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
713                    }
714                }
715                break;
716            }
717
718            if ((mAudioDecoder == NULL && mAudioSink != NULL)
719                    || (mVideoDecoder == NULL && mNativeWindow != NULL)) {
720                msg->post(100000ll);
721                mScanSourcesPending = true;
722            }
723            break;
724        }
725
726        case kWhatVideoNotify:
727        case kWhatAudioNotify:
728        {
729            bool audio = msg->what() == kWhatAudioNotify;
730
731            int32_t currentDecoderGeneration =
732                (audio? mAudioDecoderGeneration : mVideoDecoderGeneration);
733            int32_t requesterGeneration = currentDecoderGeneration - 1;
734            CHECK(msg->findInt32("generation", &requesterGeneration));
735
736            if (requesterGeneration != currentDecoderGeneration) {
737                ALOGV("got message from old %s decoder, generation(%d:%d)",
738                        audio ? "audio" : "video", requesterGeneration,
739                        currentDecoderGeneration);
740                sp<AMessage> reply;
741                if (!(msg->findMessage("reply", &reply))) {
742                    return;
743                }
744
745                reply->setInt32("err", INFO_DISCONTINUITY);
746                reply->post();
747                return;
748            }
749
750            int32_t what;
751            CHECK(msg->findInt32("what", &what));
752
753            if (what == Decoder::kWhatFillThisBuffer) {
754                status_t err = feedDecoderInputData(
755                        audio, msg);
756
757                if (err == -EWOULDBLOCK) {
758                    if (mSource->feedMoreTSData() == OK) {
759                        msg->post(10 * 1000ll);
760                    }
761                }
762            } else if (what == Decoder::kWhatEOS) {
763                int32_t err;
764                CHECK(msg->findInt32("err", &err));
765
766                if (err == ERROR_END_OF_STREAM) {
767                    ALOGV("got %s decoder EOS", audio ? "audio" : "video");
768                } else {
769                    ALOGV("got %s decoder EOS w/ error %d",
770                         audio ? "audio" : "video",
771                         err);
772                }
773
774                mRenderer->queueEOS(audio, err);
775            } else if (what == Decoder::kWhatFlushCompleted) {
776                bool needShutdown;
777
778                if (audio) {
779                    CHECK(IsFlushingState(mFlushingAudio, &needShutdown));
780                    mFlushingAudio = FLUSHED;
781                } else {
782                    CHECK(IsFlushingState(mFlushingVideo, &needShutdown));
783                    mFlushingVideo = FLUSHED;
784
785                    mVideoLateByUs = 0;
786                }
787
788                ALOGV("decoder %s flush completed", audio ? "audio" : "video");
789
790                if (needShutdown) {
791                    ALOGV("initiating %s decoder shutdown",
792                         audio ? "audio" : "video");
793
794                    getDecoder(audio)->initiateShutdown();
795
796                    if (audio) {
797                        mFlushingAudio = SHUTTING_DOWN_DECODER;
798                    } else {
799                        mFlushingVideo = SHUTTING_DOWN_DECODER;
800                    }
801                }
802
803                finishFlushIfPossible();
804            } else if (what == Decoder::kWhatOutputFormatChanged) {
805                sp<AMessage> format;
806                CHECK(msg->findMessage("format", &format));
807
808                if (audio) {
809                    openAudioSink(format, false /*offloadOnly*/);
810                } else {
811                    // video
812                    sp<AMessage> inputFormat =
813                            mSource->getFormat(false /* audio */);
814
815                    updateVideoSize(inputFormat, format);
816                }
817            } else if (what == Decoder::kWhatShutdownCompleted) {
818                ALOGV("%s shutdown completed", audio ? "audio" : "video");
819                if (audio) {
820                    mAudioDecoder.clear();
821                    ++mAudioDecoderGeneration;
822
823                    CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER);
824                    mFlushingAudio = SHUT_DOWN;
825                } else {
826                    mVideoDecoder.clear();
827                    ++mVideoDecoderGeneration;
828
829                    CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER);
830                    mFlushingVideo = SHUT_DOWN;
831                }
832
833                finishFlushIfPossible();
834            } else if (what == Decoder::kWhatError) {
835                status_t err;
836                if (!msg->findInt32("err", &err)) {
837                    err = UNKNOWN_ERROR;
838                }
839                ALOGE("received error from %s decoder %#x", audio ? "audio" : "video", err);
840
841                ALOGI("shutting down %s", audio ? "audio" : "video");
842                if (audio && mFlushingAudio != NONE) {
843                    mRenderer->queueEOS(audio, err);
844                    mAudioDecoder.clear();
845                    ++mAudioDecoderGeneration;
846                    mFlushingAudio = SHUT_DOWN;
847                    finishFlushIfPossible();
848                } else if (!audio && mFlushingVideo != NONE) {
849                    mRenderer->queueEOS(audio, err);
850                    mVideoDecoder.clear();
851                    ++mVideoDecoderGeneration;
852                    mFlushingVideo = SHUT_DOWN;
853                    finishFlushIfPossible();
854                }  else {
855                    mDeferredActions.push_back(
856                            new ShutdownDecoderAction(audio, !audio /* video */));
857                    processDeferredActions();
858                    notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
859                }
860            } else if (what == Decoder::kWhatDrainThisBuffer) {
861                renderBuffer(audio, msg);
862            } else {
863                ALOGV("Unhandled decoder notification %d '%c%c%c%c'.",
864                      what,
865                      what >> 24,
866                      (what >> 16) & 0xff,
867                      (what >> 8) & 0xff,
868                      what & 0xff);
869            }
870
871            break;
872        }
873
874        case kWhatRendererNotify:
875        {
876            int32_t requesterGeneration = mRendererGeneration - 1;
877            CHECK(msg->findInt32("generation", &requesterGeneration));
878            if (requesterGeneration != mRendererGeneration) {
879                ALOGV("got message from old renderer, generation(%d:%d)",
880                        requesterGeneration, mRendererGeneration);
881                return;
882            }
883
884            int32_t what;
885            CHECK(msg->findInt32("what", &what));
886
887            if (what == Renderer::kWhatEOS) {
888                int32_t audio;
889                CHECK(msg->findInt32("audio", &audio));
890
891                int32_t finalResult;
892                CHECK(msg->findInt32("finalResult", &finalResult));
893
894                if (audio) {
895                    mAudioEOS = true;
896                } else {
897                    mVideoEOS = true;
898                }
899
900                if (finalResult == ERROR_END_OF_STREAM) {
901                    ALOGV("reached %s EOS", audio ? "audio" : "video");
902                } else {
903                    ALOGE("%s track encountered an error (%d)",
904                         audio ? "audio" : "video", finalResult);
905
906                    notifyListener(
907                            MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult);
908                }
909
910                if ((mAudioEOS || mAudioDecoder == NULL)
911                        && (mVideoEOS || mVideoDecoder == NULL)) {
912                    notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
913                }
914            } else if (what == Renderer::kWhatPosition) {
915                int64_t positionUs;
916                CHECK(msg->findInt64("positionUs", &positionUs));
917                mCurrentPositionUs = positionUs;
918
919                CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs));
920
921                if (mDriver != NULL) {
922                    sp<NuPlayerDriver> driver = mDriver.promote();
923                    if (driver != NULL) {
924                        driver->notifyPosition(positionUs);
925
926                        driver->notifyFrameStats(
927                                mNumFramesTotal, mNumFramesDropped);
928                    }
929                }
930            } else if (what == Renderer::kWhatFlushComplete) {
931                int32_t audio;
932                CHECK(msg->findInt32("audio", &audio));
933
934                ALOGV("renderer %s flush completed.", audio ? "audio" : "video");
935            } else if (what == Renderer::kWhatVideoRenderingStart) {
936                notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0);
937            } else if (what == Renderer::kWhatMediaRenderingStart) {
938                ALOGV("media rendering started");
939                notifyListener(MEDIA_STARTED, 0, 0);
940            } else if (what == Renderer::kWhatAudioOffloadTearDown) {
941                ALOGV("Tear down audio offload, fall back to s/w path");
942                int64_t positionUs;
943                CHECK(msg->findInt64("positionUs", &positionUs));
944                int32_t reason;
945                CHECK(msg->findInt32("reason", &reason));
946                closeAudioSink();
947                mAudioDecoder.clear();
948                ++mAudioDecoderGeneration;
949                mRenderer->flush(true /* audio */);
950                if (mVideoDecoder != NULL) {
951                    mRenderer->flush(false /* audio */);
952                }
953                mRenderer->signalDisableOffloadAudio();
954                mOffloadAudio = false;
955
956                performSeek(positionUs, false /* needNotify */);
957                if (reason == Renderer::kDueToError) {
958                    instantiateDecoder(true /* audio */, &mAudioDecoder);
959                }
960            }
961            break;
962        }
963
964        case kWhatMoreDataQueued:
965        {
966            break;
967        }
968
969        case kWhatReset:
970        {
971            ALOGV("kWhatReset");
972
973            mDeferredActions.push_back(
974                    new ShutdownDecoderAction(
975                        true /* audio */, true /* video */));
976
977            mDeferredActions.push_back(
978                    new SimpleAction(&NuPlayer::performReset));
979
980            processDeferredActions();
981            break;
982        }
983
984        case kWhatSeek:
985        {
986            int64_t seekTimeUs;
987            int32_t needNotify;
988            CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
989            CHECK(msg->findInt32("needNotify", &needNotify));
990
991            ALOGV("kWhatSeek seekTimeUs=%lld us, needNotify=%d",
992                    seekTimeUs, needNotify);
993
994            mDeferredActions.push_back(
995                    new SimpleAction(&NuPlayer::performDecoderFlush));
996
997            mDeferredActions.push_back(
998                    new SeekAction(seekTimeUs, needNotify));
999
1000            processDeferredActions();
1001            break;
1002        }
1003
1004        case kWhatPause:
1005        {
1006            if (mSource != NULL) {
1007                mSource->pause();
1008            } else {
1009                ALOGW("pause called when source is gone or not set");
1010            }
1011            if (mRenderer != NULL) {
1012                mRenderer->pause();
1013            } else {
1014                ALOGW("pause called when renderer is gone or not set");
1015            }
1016            break;
1017        }
1018
1019        case kWhatResume:
1020        {
1021            if (mSource != NULL) {
1022                mSource->resume();
1023            } else {
1024                ALOGW("resume called when source is gone or not set");
1025            }
1026            // |mAudioDecoder| may have been released due to the pause timeout, so try to re-create
1027            // it if needed.
1028            if (mFlushingAudio != SHUT_DOWN) {
1029                instantiateDecoder(true /* audio */, &mAudioDecoder);
1030            }
1031            if (mRenderer != NULL) {
1032                mRenderer->resume();
1033            } else {
1034                ALOGW("resume called when renderer is gone or not set");
1035            }
1036            break;
1037        }
1038
1039        case kWhatSourceNotify:
1040        {
1041            onSourceNotify(msg);
1042            break;
1043        }
1044
1045        case kWhatClosedCaptionNotify:
1046        {
1047            onClosedCaptionNotify(msg);
1048            break;
1049        }
1050
1051        default:
1052            TRESPASS();
1053            break;
1054    }
1055}
1056
1057void NuPlayer::finishFlushIfPossible() {
1058    if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED
1059            && mFlushingAudio != SHUT_DOWN) {
1060        return;
1061    }
1062
1063    if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED
1064            && mFlushingVideo != SHUT_DOWN) {
1065        return;
1066    }
1067
1068    ALOGV("both audio and video are flushed now.");
1069
1070    mPendingAudioAccessUnit.clear();
1071    mAggregateBuffer.clear();
1072
1073    if (mTimeDiscontinuityPending) {
1074        mRenderer->signalTimeDiscontinuity();
1075        mTimeDiscontinuityPending = false;
1076    }
1077
1078    if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) {
1079        mAudioDecoder->signalResume();
1080    }
1081
1082    if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) {
1083        mVideoDecoder->signalResume();
1084    }
1085
1086    mFlushingAudio = NONE;
1087    mFlushingVideo = NONE;
1088
1089    processDeferredActions();
1090}
1091
1092void NuPlayer::postScanSources() {
1093    if (mScanSourcesPending) {
1094        return;
1095    }
1096
1097    sp<AMessage> msg = new AMessage(kWhatScanSources, id());
1098    msg->setInt32("generation", mScanSourcesGeneration);
1099    msg->post();
1100
1101    mScanSourcesPending = true;
1102}
1103
1104void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) {
1105    ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)",
1106            offloadOnly, mOffloadAudio);
1107    bool audioSinkChanged = false;
1108
1109    int32_t numChannels;
1110    CHECK(format->findInt32("channel-count", &numChannels));
1111
1112    int32_t channelMask;
1113    if (!format->findInt32("channel-mask", &channelMask)) {
1114        // signal to the AudioSink to derive the mask from count.
1115        channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
1116    }
1117
1118    int32_t sampleRate;
1119    CHECK(format->findInt32("sample-rate", &sampleRate));
1120
1121    uint32_t flags;
1122    int64_t durationUs;
1123    // FIXME: we should handle the case where the video decoder
1124    // is created after we receive the format change indication.
1125    // Current code will just make that we select deep buffer
1126    // with video which should not be a problem as it should
1127    // not prevent from keeping A/V sync.
1128    if (mVideoDecoder == NULL &&
1129            mSource->getDuration(&durationUs) == OK &&
1130            durationUs
1131                > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
1132        flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
1133    } else {
1134        flags = AUDIO_OUTPUT_FLAG_NONE;
1135    }
1136
1137    if (mOffloadAudio) {
1138        audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT;
1139        AString mime;
1140        CHECK(format->findString("mime", &mime));
1141        status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str());
1142
1143        if (err != OK) {
1144            ALOGE("Couldn't map mime \"%s\" to a valid "
1145                    "audio_format", mime.c_str());
1146            mOffloadAudio = false;
1147        } else {
1148            ALOGV("Mime \"%s\" mapped to audio_format 0x%x",
1149                    mime.c_str(), audioFormat);
1150
1151            int avgBitRate = -1;
1152            format->findInt32("bit-rate", &avgBitRate);
1153
1154            int32_t aacProfile = -1;
1155            if (audioFormat == AUDIO_FORMAT_AAC
1156                    && format->findInt32("aac-profile", &aacProfile)) {
1157                // Redefine AAC format as per aac profile
1158                mapAACProfileToAudioFormat(
1159                        audioFormat,
1160                        aacProfile);
1161            }
1162
1163            audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER;
1164            offloadInfo.duration_us = -1;
1165            format->findInt64(
1166                    "durationUs", &offloadInfo.duration_us);
1167            offloadInfo.sample_rate = sampleRate;
1168            offloadInfo.channel_mask = channelMask;
1169            offloadInfo.format = audioFormat;
1170            offloadInfo.stream_type = AUDIO_STREAM_MUSIC;
1171            offloadInfo.bit_rate = avgBitRate;
1172            offloadInfo.has_video = (mVideoDecoder != NULL);
1173            offloadInfo.is_streaming = true;
1174
1175            if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) {
1176                ALOGV("openAudioSink: no change in offload mode");
1177                return;  // no change from previous configuration, everything ok.
1178            }
1179            ALOGV("openAudioSink: try to open AudioSink in offload mode");
1180            flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
1181            flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
1182            audioSinkChanged = true;
1183            mAudioSink->close();
1184            err = mAudioSink->open(
1185                    sampleRate,
1186                    numChannels,
1187                    (audio_channel_mask_t)channelMask,
1188                    audioFormat,
1189                    8 /* bufferCount */,
1190                    &NuPlayer::Renderer::AudioSinkCallback,
1191                    mRenderer.get(),
1192                    (audio_output_flags_t)flags,
1193                    &offloadInfo);
1194
1195            if (err == OK) {
1196                // If the playback is offloaded to h/w, we pass
1197                // the HAL some metadata information.
1198                // We don't want to do this for PCM because it
1199                // will be going through the AudioFlinger mixer
1200                // before reaching the hardware.
1201                sp<MetaData> audioMeta =
1202                        mSource->getFormatMeta(true /* audio */);
1203                sendMetaDataToHal(mAudioSink, audioMeta);
1204                mCurrentOffloadInfo = offloadInfo;
1205                err = mAudioSink->start();
1206                ALOGV_IF(err == OK, "openAudioSink: offload succeeded");
1207            }
1208            if (err != OK) {
1209                // Clean up, fall back to non offload mode.
1210                mAudioSink->close();
1211                mRenderer->signalDisableOffloadAudio();
1212                mOffloadAudio = false;
1213                mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1214                ALOGV("openAudioSink: offload failed");
1215            }
1216        }
1217    }
1218    if (!offloadOnly && !mOffloadAudio) {
1219        flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
1220        ALOGV("openAudioSink: open AudioSink in NON-offload mode");
1221
1222        audioSinkChanged = true;
1223        mAudioSink->close();
1224        mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1225        CHECK_EQ(mAudioSink->open(
1226                    sampleRate,
1227                    numChannels,
1228                    (audio_channel_mask_t)channelMask,
1229                    AUDIO_FORMAT_PCM_16_BIT,
1230                    8 /* bufferCount */,
1231                    NULL,
1232                    NULL,
1233                    (audio_output_flags_t)flags),
1234                 (status_t)OK);
1235        mAudioSink->start();
1236    }
1237    if (audioSinkChanged) {
1238        mRenderer->signalAudioSinkChanged();
1239    }
1240}
1241
1242void NuPlayer::closeAudioSink() {
1243    mAudioSink->close();
1244    mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1245}
1246
1247status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
1248    if (*decoder != NULL) {
1249        return OK;
1250    }
1251
1252    sp<AMessage> format = mSource->getFormat(audio);
1253
1254    if (format == NULL) {
1255        return -EWOULDBLOCK;
1256    }
1257
1258    if (!audio) {
1259        AString mime;
1260        CHECK(format->findString("mime", &mime));
1261        mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str());
1262
1263        sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id());
1264        mCCDecoder = new CCDecoder(ccNotify);
1265
1266        if (mSourceFlags & Source::FLAG_SECURE) {
1267            format->setInt32("secure", true);
1268        }
1269    }
1270
1271    if (audio) {
1272        sp<AMessage> notify = new AMessage(kWhatAudioNotify, id());
1273        ++mAudioDecoderGeneration;
1274        notify->setInt32("generation", mAudioDecoderGeneration);
1275
1276        if (mOffloadAudio) {
1277            *decoder = new DecoderPassThrough(notify);
1278        } else {
1279            *decoder = new Decoder(notify);
1280        }
1281    } else {
1282        sp<AMessage> notify = new AMessage(kWhatVideoNotify, id());
1283        ++mVideoDecoderGeneration;
1284        notify->setInt32("generation", mVideoDecoderGeneration);
1285
1286        *decoder = new Decoder(notify, mNativeWindow);
1287    }
1288    (*decoder)->init();
1289    (*decoder)->configure(format);
1290
1291    // allocate buffers to decrypt widevine source buffers
1292    if (!audio && (mSourceFlags & Source::FLAG_SECURE)) {
1293        Vector<sp<ABuffer> > inputBufs;
1294        CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK);
1295
1296        Vector<MediaBuffer *> mediaBufs;
1297        for (size_t i = 0; i < inputBufs.size(); i++) {
1298            const sp<ABuffer> &buffer = inputBufs[i];
1299            MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size());
1300            mediaBufs.push(mbuf);
1301        }
1302
1303        status_t err = mSource->setBuffers(audio, mediaBufs);
1304        if (err != OK) {
1305            for (size_t i = 0; i < mediaBufs.size(); ++i) {
1306                mediaBufs[i]->release();
1307            }
1308            mediaBufs.clear();
1309            ALOGE("Secure source didn't support secure mediaBufs.");
1310            return err;
1311        }
1312    }
1313    return OK;
1314}
1315
1316status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) {
1317    sp<AMessage> reply;
1318    CHECK(msg->findMessage("reply", &reply));
1319
1320    if ((audio && mFlushingAudio != NONE)
1321            || (!audio && mFlushingVideo != NONE)
1322            || mSource == NULL) {
1323        reply->setInt32("err", INFO_DISCONTINUITY);
1324        reply->post();
1325        return OK;
1326    }
1327
1328    sp<ABuffer> accessUnit;
1329
1330    // Aggregate smaller buffers into a larger buffer.
1331    // The goal is to reduce power consumption.
1332    // Note this will not work if the decoder requires one frame per buffer.
1333    bool doBufferAggregation = (audio && mOffloadAudio);
1334    bool needMoreData = false;
1335
1336    bool dropAccessUnit;
1337    do {
1338        status_t err;
1339        // Did we save an accessUnit earlier because of a discontinuity?
1340        if (audio && (mPendingAudioAccessUnit != NULL)) {
1341            accessUnit = mPendingAudioAccessUnit;
1342            mPendingAudioAccessUnit.clear();
1343            err = mPendingAudioErr;
1344            ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit");
1345        } else {
1346            err = mSource->dequeueAccessUnit(audio, &accessUnit);
1347        }
1348
1349        if (err == -EWOULDBLOCK) {
1350            return err;
1351        } else if (err != OK) {
1352            if (err == INFO_DISCONTINUITY) {
1353                if (doBufferAggregation && (mAggregateBuffer != NULL)) {
1354                    // We already have some data so save this for later.
1355                    mPendingAudioErr = err;
1356                    mPendingAudioAccessUnit = accessUnit;
1357                    accessUnit.clear();
1358                    ALOGD("feedDecoderInputData() save discontinuity for later");
1359                    break;
1360                }
1361                int32_t type;
1362                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
1363
1364                bool formatChange =
1365                    (audio &&
1366                     (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT))
1367                    || (!audio &&
1368                            (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT));
1369
1370                bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0;
1371
1372                ALOGI("%s discontinuity (formatChange=%d, time=%d)",
1373                     audio ? "audio" : "video", formatChange, timeChange);
1374
1375                if (audio) {
1376                    mSkipRenderingAudioUntilMediaTimeUs = -1;
1377                } else {
1378                    mSkipRenderingVideoUntilMediaTimeUs = -1;
1379                }
1380
1381                if (timeChange) {
1382                    sp<AMessage> extra;
1383                    if (accessUnit->meta()->findMessage("extra", &extra)
1384                            && extra != NULL) {
1385                        int64_t resumeAtMediaTimeUs;
1386                        if (extra->findInt64(
1387                                    "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
1388                            ALOGI("suppressing rendering of %s until %lld us",
1389                                    audio ? "audio" : "video", resumeAtMediaTimeUs);
1390
1391                            if (audio) {
1392                                mSkipRenderingAudioUntilMediaTimeUs =
1393                                    resumeAtMediaTimeUs;
1394                            } else {
1395                                mSkipRenderingVideoUntilMediaTimeUs =
1396                                    resumeAtMediaTimeUs;
1397                            }
1398                        }
1399                    }
1400                }
1401
1402                mTimeDiscontinuityPending =
1403                    mTimeDiscontinuityPending || timeChange;
1404
1405                bool seamlessFormatChange = false;
1406                sp<AMessage> newFormat = mSource->getFormat(audio);
1407                if (formatChange) {
1408                    seamlessFormatChange =
1409                        getDecoder(audio)->supportsSeamlessFormatChange(newFormat);
1410                    // treat seamless format change separately
1411                    formatChange = !seamlessFormatChange;
1412                }
1413                bool shutdownOrFlush = formatChange || timeChange;
1414
1415                // We want to queue up scan-sources only once per discontinuity.
1416                // We control this by doing it only if neither audio nor video are
1417                // flushing or shutting down.  (After handling 1st discontinuity, one
1418                // of the flushing states will not be NONE.)
1419                // No need to scan sources if this discontinuity does not result
1420                // in a flush or shutdown, as the flushing state will stay NONE.
1421                if (mFlushingAudio == NONE && mFlushingVideo == NONE &&
1422                        shutdownOrFlush) {
1423                    // And we'll resume scanning sources once we're done
1424                    // flushing.
1425                    mDeferredActions.push_front(
1426                            new SimpleAction(
1427                                &NuPlayer::performScanSources));
1428                }
1429
1430                if (formatChange /* not seamless */) {
1431                    // must change decoder
1432                    flushDecoder(audio, /* needShutdown = */ true);
1433                } else if (timeChange) {
1434                    // need to flush
1435                    flushDecoder(audio, /* needShutdown = */ false, newFormat);
1436                    err = OK;
1437                } else if (seamlessFormatChange) {
1438                    // reuse existing decoder and don't flush
1439                    updateDecoderFormatWithoutFlush(audio, newFormat);
1440                    err = OK;
1441                } else {
1442                    // This stream is unaffected by the discontinuity
1443                    return -EWOULDBLOCK;
1444                }
1445            }
1446
1447            reply->setInt32("err", err);
1448            reply->post();
1449            return OK;
1450        }
1451
1452        if (!audio) {
1453            ++mNumFramesTotal;
1454        }
1455
1456        dropAccessUnit = false;
1457        if (!audio
1458                && !(mSourceFlags & Source::FLAG_SECURE)
1459                && mVideoLateByUs > 100000ll
1460                && mVideoIsAVC
1461                && !IsAVCReferenceFrame(accessUnit)) {
1462            dropAccessUnit = true;
1463            ++mNumFramesDropped;
1464        }
1465
1466        size_t smallSize = accessUnit->size();
1467        needMoreData = false;
1468        if (doBufferAggregation && (mAggregateBuffer == NULL)
1469                // Don't bother if only room for a few small buffers.
1470                && (smallSize < (kAggregateBufferSizeBytes / 3))) {
1471            // Create a larger buffer for combining smaller buffers from the extractor.
1472            mAggregateBuffer = new ABuffer(kAggregateBufferSizeBytes);
1473            mAggregateBuffer->setRange(0, 0); // start empty
1474        }
1475
1476        if (doBufferAggregation && (mAggregateBuffer != NULL)) {
1477            int64_t timeUs;
1478            int64_t dummy;
1479            bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs);
1480            bool bigTimestampValid = mAggregateBuffer->meta()->findInt64("timeUs", &dummy);
1481            // Will the smaller buffer fit?
1482            size_t bigSize = mAggregateBuffer->size();
1483            size_t roomLeft = mAggregateBuffer->capacity() - bigSize;
1484            // Should we save this small buffer for the next big buffer?
1485            // If the first small buffer did not have a timestamp then save
1486            // any buffer that does have a timestamp until the next big buffer.
1487            if ((smallSize > roomLeft)
1488                || (!bigTimestampValid && (bigSize > 0) && smallTimestampValid)) {
1489                mPendingAudioErr = err;
1490                mPendingAudioAccessUnit = accessUnit;
1491                accessUnit.clear();
1492            } else {
1493                // Grab time from first small buffer if available.
1494                if ((bigSize == 0) && smallTimestampValid) {
1495                    mAggregateBuffer->meta()->setInt64("timeUs", timeUs);
1496                }
1497                // Append small buffer to the bigger buffer.
1498                memcpy(mAggregateBuffer->base() + bigSize, accessUnit->data(), smallSize);
1499                bigSize += smallSize;
1500                mAggregateBuffer->setRange(0, bigSize);
1501
1502                // Keep looping until we run out of room in the mAggregateBuffer.
1503                needMoreData = true;
1504
1505                ALOGV("feedDecoderInputData() smallSize = %zu, bigSize = %zu, capacity = %zu",
1506                        smallSize, bigSize, mAggregateBuffer->capacity());
1507            }
1508        }
1509    } while (dropAccessUnit || needMoreData);
1510
1511    // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video");
1512
1513#if 0
1514    int64_t mediaTimeUs;
1515    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
1516    ALOGV("feeding %s input buffer at media time %.2f secs",
1517         audio ? "audio" : "video",
1518         mediaTimeUs / 1E6);
1519#endif
1520
1521    if (!audio) {
1522        mCCDecoder->decode(accessUnit);
1523    }
1524
1525    if (doBufferAggregation && (mAggregateBuffer != NULL)) {
1526        ALOGV("feedDecoderInputData() reply with aggregated buffer, %zu",
1527                mAggregateBuffer->size());
1528        reply->setBuffer("buffer", mAggregateBuffer);
1529        mAggregateBuffer.clear();
1530    } else {
1531        reply->setBuffer("buffer", accessUnit);
1532    }
1533
1534    reply->post();
1535
1536    return OK;
1537}
1538
1539void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) {
1540    // ALOGV("renderBuffer %s", audio ? "audio" : "video");
1541
1542    sp<AMessage> reply;
1543    CHECK(msg->findMessage("reply", &reply));
1544
1545    if ((audio && mFlushingAudio != NONE)
1546            || (!audio && mFlushingVideo != NONE)) {
1547        // We're currently attempting to flush the decoder, in order
1548        // to complete this, the decoder wants all its buffers back,
1549        // so we don't want any output buffers it sent us (from before
1550        // we initiated the flush) to be stuck in the renderer's queue.
1551
1552        ALOGV("we're still flushing the %s decoder, sending its output buffer"
1553             " right back.", audio ? "audio" : "video");
1554
1555        reply->post();
1556        return;
1557    }
1558
1559    sp<ABuffer> buffer;
1560    CHECK(msg->findBuffer("buffer", &buffer));
1561
1562    int64_t mediaTimeUs;
1563    CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs));
1564
1565    int64_t &skipUntilMediaTimeUs =
1566        audio
1567            ? mSkipRenderingAudioUntilMediaTimeUs
1568            : mSkipRenderingVideoUntilMediaTimeUs;
1569
1570    if (skipUntilMediaTimeUs >= 0) {
1571
1572        if (mediaTimeUs < skipUntilMediaTimeUs) {
1573            ALOGV("dropping %s buffer at time %lld as requested.",
1574                 audio ? "audio" : "video",
1575                 mediaTimeUs);
1576
1577            reply->post();
1578            return;
1579        }
1580
1581        skipUntilMediaTimeUs = -1;
1582    }
1583
1584    if (!audio && mCCDecoder->isSelected()) {
1585        mCCDecoder->display(mediaTimeUs);
1586    }
1587
1588    mRenderer->queueBuffer(audio, buffer, reply);
1589}
1590
1591void NuPlayer::updateVideoSize(
1592        const sp<AMessage> &inputFormat,
1593        const sp<AMessage> &outputFormat) {
1594    if (inputFormat == NULL) {
1595        ALOGW("Unknown video size, reporting 0x0!");
1596        notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0);
1597        return;
1598    }
1599
1600    int32_t displayWidth, displayHeight;
1601    int32_t cropLeft, cropTop, cropRight, cropBottom;
1602
1603    if (outputFormat != NULL) {
1604        int32_t width, height;
1605        CHECK(outputFormat->findInt32("width", &width));
1606        CHECK(outputFormat->findInt32("height", &height));
1607
1608        int32_t cropLeft, cropTop, cropRight, cropBottom;
1609        CHECK(outputFormat->findRect(
1610                    "crop",
1611                    &cropLeft, &cropTop, &cropRight, &cropBottom));
1612
1613        displayWidth = cropRight - cropLeft + 1;
1614        displayHeight = cropBottom - cropTop + 1;
1615
1616        ALOGV("Video output format changed to %d x %d "
1617             "(crop: %d x %d @ (%d, %d))",
1618             width, height,
1619             displayWidth,
1620             displayHeight,
1621             cropLeft, cropTop);
1622    } else {
1623        CHECK(inputFormat->findInt32("width", &displayWidth));
1624        CHECK(inputFormat->findInt32("height", &displayHeight));
1625
1626        ALOGV("Video input format %d x %d", displayWidth, displayHeight);
1627    }
1628
1629    // Take into account sample aspect ratio if necessary:
1630    int32_t sarWidth, sarHeight;
1631    if (inputFormat->findInt32("sar-width", &sarWidth)
1632            && inputFormat->findInt32("sar-height", &sarHeight)) {
1633        ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight);
1634
1635        displayWidth = (displayWidth * sarWidth) / sarHeight;
1636
1637        ALOGV("display dimensions %d x %d", displayWidth, displayHeight);
1638    }
1639
1640    int32_t rotationDegrees;
1641    if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) {
1642        rotationDegrees = 0;
1643    }
1644
1645    if (rotationDegrees == 90 || rotationDegrees == 270) {
1646        int32_t tmp = displayWidth;
1647        displayWidth = displayHeight;
1648        displayHeight = tmp;
1649    }
1650
1651    notifyListener(
1652            MEDIA_SET_VIDEO_SIZE,
1653            displayWidth,
1654            displayHeight);
1655}
1656
1657void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) {
1658    if (mDriver == NULL) {
1659        return;
1660    }
1661
1662    sp<NuPlayerDriver> driver = mDriver.promote();
1663
1664    if (driver == NULL) {
1665        return;
1666    }
1667
1668    driver->notifyListener(msg, ext1, ext2, in);
1669}
1670
1671void NuPlayer::flushDecoder(
1672        bool audio, bool needShutdown, const sp<AMessage> &newFormat) {
1673    ALOGV("[%s] flushDecoder needShutdown=%d",
1674          audio ? "audio" : "video", needShutdown);
1675
1676    const sp<Decoder> &decoder = getDecoder(audio);
1677    if (decoder == NULL) {
1678        ALOGI("flushDecoder %s without decoder present",
1679             audio ? "audio" : "video");
1680        return;
1681    }
1682
1683    // Make sure we don't continue to scan sources until we finish flushing.
1684    ++mScanSourcesGeneration;
1685    mScanSourcesPending = false;
1686
1687    decoder->signalFlush(newFormat);
1688    mRenderer->flush(audio);
1689
1690    FlushStatus newStatus =
1691        needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
1692
1693    if (audio) {
1694        ALOGE_IF(mFlushingAudio != NONE,
1695                "audio flushDecoder() is called in state %d", mFlushingAudio);
1696        mFlushingAudio = newStatus;
1697    } else {
1698        ALOGE_IF(mFlushingVideo != NONE,
1699                "video flushDecoder() is called in state %d", mFlushingVideo);
1700        mFlushingVideo = newStatus;
1701
1702        if (mCCDecoder != NULL) {
1703            mCCDecoder->flush();
1704        }
1705    }
1706}
1707
1708void NuPlayer::updateDecoderFormatWithoutFlush(
1709        bool audio, const sp<AMessage> &format) {
1710    ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video");
1711
1712    const sp<Decoder> &decoder = getDecoder(audio);
1713    if (decoder == NULL) {
1714        ALOGI("updateDecoderFormatWithoutFlush %s without decoder present",
1715             audio ? "audio" : "video");
1716        return;
1717    }
1718
1719    decoder->signalUpdateFormat(format);
1720}
1721
1722void NuPlayer::queueDecoderShutdown(
1723        bool audio, bool video, const sp<AMessage> &reply) {
1724    ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
1725
1726    mDeferredActions.push_back(
1727            new ShutdownDecoderAction(audio, video));
1728
1729    mDeferredActions.push_back(
1730            new SimpleAction(&NuPlayer::performScanSources));
1731
1732    mDeferredActions.push_back(new PostMessageAction(reply));
1733
1734    processDeferredActions();
1735}
1736
1737status_t NuPlayer::setVideoScalingMode(int32_t mode) {
1738    mVideoScalingMode = mode;
1739    if (mNativeWindow != NULL) {
1740        status_t ret = native_window_set_scaling_mode(
1741                mNativeWindow->getNativeWindow().get(), mVideoScalingMode);
1742        if (ret != OK) {
1743            ALOGE("Failed to set scaling mode (%d): %s",
1744                -ret, strerror(-ret));
1745            return ret;
1746        }
1747    }
1748    return OK;
1749}
1750
1751status_t NuPlayer::getTrackInfo(Parcel* reply) const {
1752    sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id());
1753    msg->setPointer("reply", reply);
1754
1755    sp<AMessage> response;
1756    status_t err = msg->postAndAwaitResponse(&response);
1757    return err;
1758}
1759
1760status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const {
1761    sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id());
1762    msg->setPointer("reply", reply);
1763    msg->setInt32("type", type);
1764
1765    sp<AMessage> response;
1766    status_t err = msg->postAndAwaitResponse(&response);
1767    if (err == OK && response != NULL) {
1768        CHECK(response->findInt32("err", &err));
1769    }
1770    return err;
1771}
1772
1773status_t NuPlayer::selectTrack(size_t trackIndex, bool select) {
1774    sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
1775    msg->setSize("trackIndex", trackIndex);
1776    msg->setInt32("select", select);
1777
1778    sp<AMessage> response;
1779    status_t err = msg->postAndAwaitResponse(&response);
1780
1781    if (err != OK) {
1782        return err;
1783    }
1784
1785    if (!response->findInt32("err", &err)) {
1786        err = OK;
1787    }
1788
1789    return err;
1790}
1791
1792sp<MetaData> NuPlayer::getFileMeta() {
1793    return mSource->getFileFormatMeta();
1794}
1795
1796void NuPlayer::schedulePollDuration() {
1797    sp<AMessage> msg = new AMessage(kWhatPollDuration, id());
1798    msg->setInt32("generation", mPollDurationGeneration);
1799    msg->post();
1800}
1801
1802void NuPlayer::cancelPollDuration() {
1803    ++mPollDurationGeneration;
1804}
1805
1806void NuPlayer::processDeferredActions() {
1807    while (!mDeferredActions.empty()) {
1808        // We won't execute any deferred actions until we're no longer in
1809        // an intermediate state, i.e. one more more decoders are currently
1810        // flushing or shutting down.
1811
1812        if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
1813            // We're currently flushing, postpone the reset until that's
1814            // completed.
1815
1816            ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d",
1817                  mFlushingAudio, mFlushingVideo);
1818
1819            break;
1820        }
1821
1822        sp<Action> action = *mDeferredActions.begin();
1823        mDeferredActions.erase(mDeferredActions.begin());
1824
1825        action->execute(this);
1826    }
1827}
1828
1829void NuPlayer::performSeek(int64_t seekTimeUs, bool needNotify) {
1830    ALOGV("performSeek seekTimeUs=%lld us (%.2f secs), needNotify(%d)",
1831          seekTimeUs,
1832          seekTimeUs / 1E6,
1833          needNotify);
1834
1835    if (mSource == NULL) {
1836        // This happens when reset occurs right before the loop mode
1837        // asynchronously seeks to the start of the stream.
1838        LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL,
1839                "mSource is NULL and decoders not NULL audio(%p) video(%p)",
1840                mAudioDecoder.get(), mVideoDecoder.get());
1841        return;
1842    }
1843    mSource->seekTo(seekTimeUs);
1844    ++mTimedTextGeneration;
1845
1846    if (mDriver != NULL) {
1847        sp<NuPlayerDriver> driver = mDriver.promote();
1848        if (driver != NULL) {
1849            driver->notifyPosition(seekTimeUs);
1850            if (needNotify) {
1851                driver->notifySeekComplete();
1852            }
1853        }
1854    }
1855
1856    // everything's flushed, continue playback.
1857}
1858
1859void NuPlayer::performDecoderFlush() {
1860    ALOGV("performDecoderFlush");
1861
1862    if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
1863        return;
1864    }
1865
1866    mTimeDiscontinuityPending = true;
1867
1868    if (mAudioDecoder != NULL) {
1869        flushDecoder(true /* audio */, false /* needShutdown */);
1870    }
1871
1872    if (mVideoDecoder != NULL) {
1873        flushDecoder(false /* audio */, false /* needShutdown */);
1874    }
1875}
1876
1877void NuPlayer::performDecoderShutdown(bool audio, bool video) {
1878    ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video);
1879
1880    if ((!audio || mAudioDecoder == NULL)
1881            && (!video || mVideoDecoder == NULL)) {
1882        return;
1883    }
1884
1885    mTimeDiscontinuityPending = true;
1886
1887    if (audio && mAudioDecoder != NULL) {
1888        flushDecoder(true /* audio */, true /* needShutdown */);
1889    }
1890
1891    if (video && mVideoDecoder != NULL) {
1892        flushDecoder(false /* audio */, true /* needShutdown */);
1893    }
1894}
1895
1896void NuPlayer::performReset() {
1897    ALOGV("performReset");
1898
1899    CHECK(mAudioDecoder == NULL);
1900    CHECK(mVideoDecoder == NULL);
1901
1902    cancelPollDuration();
1903
1904    ++mScanSourcesGeneration;
1905    mScanSourcesPending = false;
1906
1907    if (mRendererLooper != NULL) {
1908        if (mRenderer != NULL) {
1909            mRendererLooper->unregisterHandler(mRenderer->id());
1910        }
1911        mRendererLooper->stop();
1912        mRendererLooper.clear();
1913    }
1914    mRenderer.clear();
1915    ++mRendererGeneration;
1916
1917    if (mSource != NULL) {
1918        mSource->stop();
1919
1920        mSource.clear();
1921    }
1922
1923    if (mDriver != NULL) {
1924        sp<NuPlayerDriver> driver = mDriver.promote();
1925        if (driver != NULL) {
1926            driver->notifyResetComplete();
1927        }
1928    }
1929
1930    mStarted = false;
1931}
1932
1933void NuPlayer::performScanSources() {
1934    ALOGV("performScanSources");
1935
1936    if (!mStarted) {
1937        return;
1938    }
1939
1940    if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
1941        postScanSources();
1942    }
1943}
1944
1945void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) {
1946    ALOGV("performSetSurface");
1947
1948    mNativeWindow = wrapper;
1949
1950    // XXX - ignore error from setVideoScalingMode for now
1951    setVideoScalingMode(mVideoScalingMode);
1952
1953    if (mDriver != NULL) {
1954        sp<NuPlayerDriver> driver = mDriver.promote();
1955        if (driver != NULL) {
1956            driver->notifySetSurfaceComplete();
1957        }
1958    }
1959}
1960
1961void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
1962    int32_t what;
1963    CHECK(msg->findInt32("what", &what));
1964
1965    switch (what) {
1966        case Source::kWhatPrepared:
1967        {
1968            if (mSource == NULL) {
1969                // This is a stale notification from a source that was
1970                // asynchronously preparing when the client called reset().
1971                // We handled the reset, the source is gone.
1972                break;
1973            }
1974
1975            int32_t err;
1976            CHECK(msg->findInt32("err", &err));
1977
1978            sp<NuPlayerDriver> driver = mDriver.promote();
1979            if (driver != NULL) {
1980                // notify duration first, so that it's definitely set when
1981                // the app received the "prepare complete" callback.
1982                int64_t durationUs;
1983                if (mSource->getDuration(&durationUs) == OK) {
1984                    driver->notifyDuration(durationUs);
1985                }
1986                driver->notifyPrepareCompleted(err);
1987            }
1988
1989            break;
1990        }
1991
1992        case Source::kWhatFlagsChanged:
1993        {
1994            uint32_t flags;
1995            CHECK(msg->findInt32("flags", (int32_t *)&flags));
1996
1997            sp<NuPlayerDriver> driver = mDriver.promote();
1998            if (driver != NULL) {
1999                driver->notifyFlagsChanged(flags);
2000            }
2001
2002            if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
2003                    && (!(flags & Source::FLAG_DYNAMIC_DURATION))) {
2004                cancelPollDuration();
2005            } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
2006                    && (flags & Source::FLAG_DYNAMIC_DURATION)
2007                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
2008                schedulePollDuration();
2009            }
2010
2011            mSourceFlags = flags;
2012            break;
2013        }
2014
2015        case Source::kWhatVideoSizeChanged:
2016        {
2017            sp<AMessage> format;
2018            CHECK(msg->findMessage("format", &format));
2019
2020            updateVideoSize(format);
2021            break;
2022        }
2023
2024        case Source::kWhatBufferingUpdate:
2025        {
2026            int32_t percentage;
2027            CHECK(msg->findInt32("percentage", &percentage));
2028
2029            notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0);
2030            break;
2031        }
2032
2033        case Source::kWhatBufferingStart:
2034        {
2035            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0);
2036            break;
2037        }
2038
2039        case Source::kWhatBufferingEnd:
2040        {
2041            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0);
2042            break;
2043        }
2044
2045        case Source::kWhatSubtitleData:
2046        {
2047            sp<ABuffer> buffer;
2048            CHECK(msg->findBuffer("buffer", &buffer));
2049
2050            sendSubtitleData(buffer, 0 /* baseIndex */);
2051            break;
2052        }
2053
2054        case Source::kWhatTimedTextData:
2055        {
2056            int32_t generation;
2057            if (msg->findInt32("generation", &generation)
2058                    && generation != mTimedTextGeneration) {
2059                break;
2060            }
2061
2062            sp<ABuffer> buffer;
2063            CHECK(msg->findBuffer("buffer", &buffer));
2064
2065            sp<NuPlayerDriver> driver = mDriver.promote();
2066            if (driver == NULL) {
2067                break;
2068            }
2069
2070            int posMs;
2071            int64_t timeUs, posUs;
2072            driver->getCurrentPosition(&posMs);
2073            posUs = posMs * 1000;
2074            CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2075
2076            if (posUs < timeUs) {
2077                if (!msg->findInt32("generation", &generation)) {
2078                    msg->setInt32("generation", mTimedTextGeneration);
2079                }
2080                msg->post(timeUs - posUs);
2081            } else {
2082                sendTimedTextData(buffer);
2083            }
2084            break;
2085        }
2086
2087        case Source::kWhatQueueDecoderShutdown:
2088        {
2089            int32_t audio, video;
2090            CHECK(msg->findInt32("audio", &audio));
2091            CHECK(msg->findInt32("video", &video));
2092
2093            sp<AMessage> reply;
2094            CHECK(msg->findMessage("reply", &reply));
2095
2096            queueDecoderShutdown(audio, video, reply);
2097            break;
2098        }
2099
2100        case Source::kWhatDrmNoLicense:
2101        {
2102            notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE);
2103            break;
2104        }
2105
2106        default:
2107            TRESPASS();
2108    }
2109}
2110
2111void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) {
2112    int32_t what;
2113    CHECK(msg->findInt32("what", &what));
2114
2115    switch (what) {
2116        case NuPlayer::CCDecoder::kWhatClosedCaptionData:
2117        {
2118            sp<ABuffer> buffer;
2119            CHECK(msg->findBuffer("buffer", &buffer));
2120
2121            size_t inbandTracks = 0;
2122            if (mSource != NULL) {
2123                inbandTracks = mSource->getTrackCount();
2124            }
2125
2126            sendSubtitleData(buffer, inbandTracks);
2127            break;
2128        }
2129
2130        case NuPlayer::CCDecoder::kWhatTrackAdded:
2131        {
2132            notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
2133
2134            break;
2135        }
2136
2137        default:
2138            TRESPASS();
2139    }
2140
2141
2142}
2143
2144void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) {
2145    int32_t trackIndex;
2146    int64_t timeUs, durationUs;
2147    CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex));
2148    CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2149    CHECK(buffer->meta()->findInt64("durationUs", &durationUs));
2150
2151    Parcel in;
2152    in.writeInt32(trackIndex + baseIndex);
2153    in.writeInt64(timeUs);
2154    in.writeInt64(durationUs);
2155    in.writeInt32(buffer->size());
2156    in.writeInt32(buffer->size());
2157    in.write(buffer->data(), buffer->size());
2158
2159    notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
2160}
2161
2162void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) {
2163    const void *data;
2164    size_t size = 0;
2165    int64_t timeUs;
2166    int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS;
2167
2168    AString mime;
2169    CHECK(buffer->meta()->findString("mime", &mime));
2170    CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0);
2171
2172    data = buffer->data();
2173    size = buffer->size();
2174
2175    Parcel parcel;
2176    if (size > 0) {
2177        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2178        flag |= TextDescriptions::IN_BAND_TEXT_3GPP;
2179        TextDescriptions::getParcelOfDescriptions(
2180                (const uint8_t *)data, size, flag, timeUs / 1000, &parcel);
2181    }
2182
2183    if ((parcel.dataSize() > 0)) {
2184        notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel);
2185    } else {  // send an empty timed text
2186        notifyListener(MEDIA_TIMED_TEXT, 0, 0);
2187    }
2188}
2189////////////////////////////////////////////////////////////////////////////////
2190
2191sp<AMessage> NuPlayer::Source::getFormat(bool audio) {
2192    sp<MetaData> meta = getFormatMeta(audio);
2193
2194    if (meta == NULL) {
2195        return NULL;
2196    }
2197
2198    sp<AMessage> msg = new AMessage;
2199
2200    if(convertMetaDataToMessage(meta, &msg) == OK) {
2201        return msg;
2202    }
2203    return NULL;
2204}
2205
2206void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) {
2207    sp<AMessage> notify = dupNotify();
2208    notify->setInt32("what", kWhatFlagsChanged);
2209    notify->setInt32("flags", flags);
2210    notify->post();
2211}
2212
2213void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) {
2214    sp<AMessage> notify = dupNotify();
2215    notify->setInt32("what", kWhatVideoSizeChanged);
2216    notify->setMessage("format", format);
2217    notify->post();
2218}
2219
2220void NuPlayer::Source::notifyPrepared(status_t err) {
2221    sp<AMessage> notify = dupNotify();
2222    notify->setInt32("what", kWhatPrepared);
2223    notify->setInt32("err", err);
2224    notify->post();
2225}
2226
2227void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) {
2228    TRESPASS();
2229}
2230
2231}  // namespace android
2232