NuPlayer.cpp revision cf31f1eecf46d599428e115dfee8dd47b76c83fc 
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 && mVideoDecoder != 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                closeAudioSink();
945                mAudioDecoder.clear();
946                ++mAudioDecoderGeneration;
947                mRenderer->flush(true /* audio */);
948                if (mVideoDecoder != NULL) {
949                    mRenderer->flush(false /* audio */);
950                }
951                mRenderer->signalDisableOffloadAudio();
952                mOffloadAudio = false;
953
954                performSeek(positionUs, false /* needNotify */);
955                instantiateDecoder(true /* audio */, &mAudioDecoder);
956            }
957            break;
958        }
959
960        case kWhatMoreDataQueued:
961        {
962            break;
963        }
964
965        case kWhatReset:
966        {
967            ALOGV("kWhatReset");
968
969            mDeferredActions.push_back(
970                    new ShutdownDecoderAction(
971                        true /* audio */, true /* video */));
972
973            mDeferredActions.push_back(
974                    new SimpleAction(&NuPlayer::performReset));
975
976            processDeferredActions();
977            break;
978        }
979
980        case kWhatSeek:
981        {
982            int64_t seekTimeUs;
983            int32_t needNotify;
984            CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
985            CHECK(msg->findInt32("needNotify", &needNotify));
986
987            ALOGV("kWhatSeek seekTimeUs=%lld us, needNotify=%d",
988                    seekTimeUs, needNotify);
989
990            mDeferredActions.push_back(
991                    new SimpleAction(&NuPlayer::performDecoderFlush));
992
993            mDeferredActions.push_back(
994                    new SeekAction(seekTimeUs, needNotify));
995
996            processDeferredActions();
997            break;
998        }
999
1000        case kWhatPause:
1001        {
1002            if (mSource != NULL) {
1003                mSource->pause();
1004            } else {
1005                ALOGW("pause called when source is gone or not set");
1006            }
1007            if (mRenderer != NULL) {
1008                mRenderer->pause();
1009            } else {
1010                ALOGW("pause called when renderer is gone or not set");
1011            }
1012            break;
1013        }
1014
1015        case kWhatResume:
1016        {
1017            if (mSource != NULL) {
1018                mSource->resume();
1019            } else {
1020                ALOGW("resume called when source is gone or not set");
1021            }
1022            if (mRenderer != NULL) {
1023                mRenderer->resume();
1024            } else {
1025                ALOGW("resume called when renderer is gone or not set");
1026            }
1027            break;
1028        }
1029
1030        case kWhatSourceNotify:
1031        {
1032            onSourceNotify(msg);
1033            break;
1034        }
1035
1036        case kWhatClosedCaptionNotify:
1037        {
1038            onClosedCaptionNotify(msg);
1039            break;
1040        }
1041
1042        default:
1043            TRESPASS();
1044            break;
1045    }
1046}
1047
1048void NuPlayer::finishFlushIfPossible() {
1049    if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED
1050            && mFlushingAudio != SHUT_DOWN) {
1051        return;
1052    }
1053
1054    if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED
1055            && mFlushingVideo != SHUT_DOWN) {
1056        return;
1057    }
1058
1059    ALOGV("both audio and video are flushed now.");
1060
1061    mPendingAudioAccessUnit.clear();
1062    mAggregateBuffer.clear();
1063
1064    if (mTimeDiscontinuityPending) {
1065        mRenderer->signalTimeDiscontinuity();
1066        mTimeDiscontinuityPending = false;
1067    }
1068
1069    if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) {
1070        mAudioDecoder->signalResume();
1071    }
1072
1073    if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) {
1074        mVideoDecoder->signalResume();
1075    }
1076
1077    mFlushingAudio = NONE;
1078    mFlushingVideo = NONE;
1079
1080    processDeferredActions();
1081}
1082
1083void NuPlayer::postScanSources() {
1084    if (mScanSourcesPending) {
1085        return;
1086    }
1087
1088    sp<AMessage> msg = new AMessage(kWhatScanSources, id());
1089    msg->setInt32("generation", mScanSourcesGeneration);
1090    msg->post();
1091
1092    mScanSourcesPending = true;
1093}
1094
1095void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) {
1096    ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)",
1097            offloadOnly, mOffloadAudio);
1098    bool audioSinkChanged = false;
1099
1100    int32_t numChannels;
1101    CHECK(format->findInt32("channel-count", &numChannels));
1102
1103    int32_t channelMask;
1104    if (!format->findInt32("channel-mask", &channelMask)) {
1105        // signal to the AudioSink to derive the mask from count.
1106        channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
1107    }
1108
1109    int32_t sampleRate;
1110    CHECK(format->findInt32("sample-rate", &sampleRate));
1111
1112    uint32_t flags;
1113    int64_t durationUs;
1114    // FIXME: we should handle the case where the video decoder
1115    // is created after we receive the format change indication.
1116    // Current code will just make that we select deep buffer
1117    // with video which should not be a problem as it should
1118    // not prevent from keeping A/V sync.
1119    if (mVideoDecoder == NULL &&
1120            mSource->getDuration(&durationUs) == OK &&
1121            durationUs
1122                > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
1123        flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
1124    } else {
1125        flags = AUDIO_OUTPUT_FLAG_NONE;
1126    }
1127
1128    if (mOffloadAudio) {
1129        audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT;
1130        AString mime;
1131        CHECK(format->findString("mime", &mime));
1132        status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str());
1133
1134        if (err != OK) {
1135            ALOGE("Couldn't map mime \"%s\" to a valid "
1136                    "audio_format", mime.c_str());
1137            mOffloadAudio = false;
1138        } else {
1139            ALOGV("Mime \"%s\" mapped to audio_format 0x%x",
1140                    mime.c_str(), audioFormat);
1141
1142            int avgBitRate = -1;
1143            format->findInt32("bit-rate", &avgBitRate);
1144
1145            int32_t aacProfile = -1;
1146            if (audioFormat == AUDIO_FORMAT_AAC
1147                    && format->findInt32("aac-profile", &aacProfile)) {
1148                // Redefine AAC format as per aac profile
1149                mapAACProfileToAudioFormat(
1150                        audioFormat,
1151                        aacProfile);
1152            }
1153
1154            audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER;
1155            offloadInfo.duration_us = -1;
1156            format->findInt64(
1157                    "durationUs", &offloadInfo.duration_us);
1158            offloadInfo.sample_rate = sampleRate;
1159            offloadInfo.channel_mask = channelMask;
1160            offloadInfo.format = audioFormat;
1161            offloadInfo.stream_type = AUDIO_STREAM_MUSIC;
1162            offloadInfo.bit_rate = avgBitRate;
1163            offloadInfo.has_video = (mVideoDecoder != NULL);
1164            offloadInfo.is_streaming = true;
1165
1166            if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) {
1167                ALOGV("openAudioSink: no change in offload mode");
1168                return;  // no change from previous configuration, everything ok.
1169            }
1170            ALOGV("openAudioSink: try to open AudioSink in offload mode");
1171            flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
1172            flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
1173            audioSinkChanged = true;
1174            mAudioSink->close();
1175            err = mAudioSink->open(
1176                    sampleRate,
1177                    numChannels,
1178                    (audio_channel_mask_t)channelMask,
1179                    audioFormat,
1180                    8 /* bufferCount */,
1181                    &NuPlayer::Renderer::AudioSinkCallback,
1182                    mRenderer.get(),
1183                    (audio_output_flags_t)flags,
1184                    &offloadInfo);
1185
1186            if (err == OK) {
1187                // If the playback is offloaded to h/w, we pass
1188                // the HAL some metadata information.
1189                // We don't want to do this for PCM because it
1190                // will be going through the AudioFlinger mixer
1191                // before reaching the hardware.
1192                sp<MetaData> audioMeta =
1193                        mSource->getFormatMeta(true /* audio */);
1194                sendMetaDataToHal(mAudioSink, audioMeta);
1195                mCurrentOffloadInfo = offloadInfo;
1196                err = mAudioSink->start();
1197                ALOGV_IF(err == OK, "openAudioSink: offload succeeded");
1198            }
1199            if (err != OK) {
1200                // Clean up, fall back to non offload mode.
1201                mAudioSink->close();
1202                mRenderer->signalDisableOffloadAudio();
1203                mOffloadAudio = false;
1204                mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1205                ALOGV("openAudioSink: offload failed");
1206            }
1207        }
1208    }
1209    if (!offloadOnly && !mOffloadAudio) {
1210        flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
1211        ALOGV("openAudioSink: open AudioSink in NON-offload mode");
1212
1213        audioSinkChanged = true;
1214        mAudioSink->close();
1215        mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1216        CHECK_EQ(mAudioSink->open(
1217                    sampleRate,
1218                    numChannels,
1219                    (audio_channel_mask_t)channelMask,
1220                    AUDIO_FORMAT_PCM_16_BIT,
1221                    8 /* bufferCount */,
1222                    NULL,
1223                    NULL,
1224                    (audio_output_flags_t)flags),
1225                 (status_t)OK);
1226        mAudioSink->start();
1227    }
1228    if (audioSinkChanged) {
1229        mRenderer->signalAudioSinkChanged();
1230    }
1231}
1232
1233void NuPlayer::closeAudioSink() {
1234    mAudioSink->close();
1235    mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1236}
1237
1238status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
1239    if (*decoder != NULL) {
1240        return OK;
1241    }
1242
1243    sp<AMessage> format = mSource->getFormat(audio);
1244
1245    if (format == NULL) {
1246        return -EWOULDBLOCK;
1247    }
1248
1249    if (!audio) {
1250        AString mime;
1251        CHECK(format->findString("mime", &mime));
1252        mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str());
1253
1254        sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id());
1255        mCCDecoder = new CCDecoder(ccNotify);
1256
1257        if (mSourceFlags & Source::FLAG_SECURE) {
1258            format->setInt32("secure", true);
1259        }
1260    }
1261
1262    if (audio) {
1263        sp<AMessage> notify = new AMessage(kWhatAudioNotify, id());
1264        ++mAudioDecoderGeneration;
1265        notify->setInt32("generation", mAudioDecoderGeneration);
1266
1267        if (mOffloadAudio) {
1268            *decoder = new DecoderPassThrough(notify);
1269        } else {
1270            *decoder = new Decoder(notify);
1271        }
1272    } else {
1273        sp<AMessage> notify = new AMessage(kWhatVideoNotify, id());
1274        ++mVideoDecoderGeneration;
1275        notify->setInt32("generation", mVideoDecoderGeneration);
1276
1277        *decoder = new Decoder(notify, mNativeWindow);
1278    }
1279    (*decoder)->init();
1280    (*decoder)->configure(format);
1281
1282    // allocate buffers to decrypt widevine source buffers
1283    if (!audio && (mSourceFlags & Source::FLAG_SECURE)) {
1284        Vector<sp<ABuffer> > inputBufs;
1285        CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK);
1286
1287        Vector<MediaBuffer *> mediaBufs;
1288        for (size_t i = 0; i < inputBufs.size(); i++) {
1289            const sp<ABuffer> &buffer = inputBufs[i];
1290            MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size());
1291            mediaBufs.push(mbuf);
1292        }
1293
1294        status_t err = mSource->setBuffers(audio, mediaBufs);
1295        if (err != OK) {
1296            for (size_t i = 0; i < mediaBufs.size(); ++i) {
1297                mediaBufs[i]->release();
1298            }
1299            mediaBufs.clear();
1300            ALOGE("Secure source didn't support secure mediaBufs.");
1301            return err;
1302        }
1303    }
1304    return OK;
1305}
1306
1307status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) {
1308    sp<AMessage> reply;
1309    CHECK(msg->findMessage("reply", &reply));
1310
1311    if ((audio && mFlushingAudio != NONE)
1312            || (!audio && mFlushingVideo != NONE)
1313            || mSource == NULL) {
1314        reply->setInt32("err", INFO_DISCONTINUITY);
1315        reply->post();
1316        return OK;
1317    }
1318
1319    sp<ABuffer> accessUnit;
1320
1321    // Aggregate smaller buffers into a larger buffer.
1322    // The goal is to reduce power consumption.
1323    // Note this will not work if the decoder requires one frame per buffer.
1324    bool doBufferAggregation = (audio && mOffloadAudio);
1325    bool needMoreData = false;
1326
1327    bool dropAccessUnit;
1328    do {
1329        status_t err;
1330        // Did we save an accessUnit earlier because of a discontinuity?
1331        if (audio && (mPendingAudioAccessUnit != NULL)) {
1332            accessUnit = mPendingAudioAccessUnit;
1333            mPendingAudioAccessUnit.clear();
1334            err = mPendingAudioErr;
1335            ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit");
1336        } else {
1337            err = mSource->dequeueAccessUnit(audio, &accessUnit);
1338        }
1339
1340        if (err == -EWOULDBLOCK) {
1341            return err;
1342        } else if (err != OK) {
1343            if (err == INFO_DISCONTINUITY) {
1344                if (doBufferAggregation && (mAggregateBuffer != NULL)) {
1345                    // We already have some data so save this for later.
1346                    mPendingAudioErr = err;
1347                    mPendingAudioAccessUnit = accessUnit;
1348                    accessUnit.clear();
1349                    ALOGD("feedDecoderInputData() save discontinuity for later");
1350                    break;
1351                }
1352                int32_t type;
1353                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
1354
1355                bool formatChange =
1356                    (audio &&
1357                     (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT))
1358                    || (!audio &&
1359                            (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT));
1360
1361                bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0;
1362
1363                ALOGI("%s discontinuity (formatChange=%d, time=%d)",
1364                     audio ? "audio" : "video", formatChange, timeChange);
1365
1366                if (audio) {
1367                    mSkipRenderingAudioUntilMediaTimeUs = -1;
1368                } else {
1369                    mSkipRenderingVideoUntilMediaTimeUs = -1;
1370                }
1371
1372                if (timeChange) {
1373                    sp<AMessage> extra;
1374                    if (accessUnit->meta()->findMessage("extra", &extra)
1375                            && extra != NULL) {
1376                        int64_t resumeAtMediaTimeUs;
1377                        if (extra->findInt64(
1378                                    "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
1379                            ALOGI("suppressing rendering of %s until %lld us",
1380                                    audio ? "audio" : "video", resumeAtMediaTimeUs);
1381
1382                            if (audio) {
1383                                mSkipRenderingAudioUntilMediaTimeUs =
1384                                    resumeAtMediaTimeUs;
1385                            } else {
1386                                mSkipRenderingVideoUntilMediaTimeUs =
1387                                    resumeAtMediaTimeUs;
1388                            }
1389                        }
1390                    }
1391                }
1392
1393                mTimeDiscontinuityPending =
1394                    mTimeDiscontinuityPending || timeChange;
1395
1396                bool seamlessFormatChange = false;
1397                sp<AMessage> newFormat = mSource->getFormat(audio);
1398                if (formatChange) {
1399                    seamlessFormatChange =
1400                        getDecoder(audio)->supportsSeamlessFormatChange(newFormat);
1401                    // treat seamless format change separately
1402                    formatChange = !seamlessFormatChange;
1403                }
1404                bool shutdownOrFlush = formatChange || timeChange;
1405
1406                // We want to queue up scan-sources only once per discontinuity.
1407                // We control this by doing it only if neither audio nor video are
1408                // flushing or shutting down.  (After handling 1st discontinuity, one
1409                // of the flushing states will not be NONE.)
1410                // No need to scan sources if this discontinuity does not result
1411                // in a flush or shutdown, as the flushing state will stay NONE.
1412                if (mFlushingAudio == NONE && mFlushingVideo == NONE &&
1413                        shutdownOrFlush) {
1414                    // And we'll resume scanning sources once we're done
1415                    // flushing.
1416                    mDeferredActions.push_front(
1417                            new SimpleAction(
1418                                &NuPlayer::performScanSources));
1419                }
1420
1421                if (formatChange /* not seamless */) {
1422                    // must change decoder
1423                    flushDecoder(audio, /* needShutdown = */ true);
1424                } else if (timeChange) {
1425                    // need to flush
1426                    flushDecoder(audio, /* needShutdown = */ false, newFormat);
1427                    err = OK;
1428                } else if (seamlessFormatChange) {
1429                    // reuse existing decoder and don't flush
1430                    updateDecoderFormatWithoutFlush(audio, newFormat);
1431                    err = OK;
1432                } else {
1433                    // This stream is unaffected by the discontinuity
1434                    return -EWOULDBLOCK;
1435                }
1436            }
1437
1438            reply->setInt32("err", err);
1439            reply->post();
1440            return OK;
1441        }
1442
1443        if (!audio) {
1444            ++mNumFramesTotal;
1445        }
1446
1447        dropAccessUnit = false;
1448        if (!audio
1449                && !(mSourceFlags & Source::FLAG_SECURE)
1450                && mVideoLateByUs > 100000ll
1451                && mVideoIsAVC
1452                && !IsAVCReferenceFrame(accessUnit)) {
1453            dropAccessUnit = true;
1454            ++mNumFramesDropped;
1455        }
1456
1457        size_t smallSize = accessUnit->size();
1458        needMoreData = false;
1459        if (doBufferAggregation && (mAggregateBuffer == NULL)
1460                // Don't bother if only room for a few small buffers.
1461                && (smallSize < (kAggregateBufferSizeBytes / 3))) {
1462            // Create a larger buffer for combining smaller buffers from the extractor.
1463            mAggregateBuffer = new ABuffer(kAggregateBufferSizeBytes);
1464            mAggregateBuffer->setRange(0, 0); // start empty
1465        }
1466
1467        if (doBufferAggregation && (mAggregateBuffer != NULL)) {
1468            int64_t timeUs;
1469            int64_t dummy;
1470            bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs);
1471            bool bigTimestampValid = mAggregateBuffer->meta()->findInt64("timeUs", &dummy);
1472            // Will the smaller buffer fit?
1473            size_t bigSize = mAggregateBuffer->size();
1474            size_t roomLeft = mAggregateBuffer->capacity() - bigSize;
1475            // Should we save this small buffer for the next big buffer?
1476            // If the first small buffer did not have a timestamp then save
1477            // any buffer that does have a timestamp until the next big buffer.
1478            if ((smallSize > roomLeft)
1479                || (!bigTimestampValid && (bigSize > 0) && smallTimestampValid)) {
1480                mPendingAudioErr = err;
1481                mPendingAudioAccessUnit = accessUnit;
1482                accessUnit.clear();
1483            } else {
1484                // Grab time from first small buffer if available.
1485                if ((bigSize == 0) && smallTimestampValid) {
1486                    mAggregateBuffer->meta()->setInt64("timeUs", timeUs);
1487                }
1488                // Append small buffer to the bigger buffer.
1489                memcpy(mAggregateBuffer->base() + bigSize, accessUnit->data(), smallSize);
1490                bigSize += smallSize;
1491                mAggregateBuffer->setRange(0, bigSize);
1492
1493                // Keep looping until we run out of room in the mAggregateBuffer.
1494                needMoreData = true;
1495
1496                ALOGV("feedDecoderInputData() smallSize = %zu, bigSize = %zu, capacity = %zu",
1497                        smallSize, bigSize, mAggregateBuffer->capacity());
1498            }
1499        }
1500    } while (dropAccessUnit || needMoreData);
1501
1502    // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video");
1503
1504#if 0
1505    int64_t mediaTimeUs;
1506    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
1507    ALOGV("feeding %s input buffer at media time %.2f secs",
1508         audio ? "audio" : "video",
1509         mediaTimeUs / 1E6);
1510#endif
1511
1512    if (!audio) {
1513        mCCDecoder->decode(accessUnit);
1514    }
1515
1516    if (doBufferAggregation && (mAggregateBuffer != NULL)) {
1517        ALOGV("feedDecoderInputData() reply with aggregated buffer, %zu",
1518                mAggregateBuffer->size());
1519        reply->setBuffer("buffer", mAggregateBuffer);
1520        mAggregateBuffer.clear();
1521    } else {
1522        reply->setBuffer("buffer", accessUnit);
1523    }
1524
1525    reply->post();
1526
1527    return OK;
1528}
1529
1530void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) {
1531    // ALOGV("renderBuffer %s", audio ? "audio" : "video");
1532
1533    sp<AMessage> reply;
1534    CHECK(msg->findMessage("reply", &reply));
1535
1536    if ((audio && mFlushingAudio != NONE)
1537            || (!audio && mFlushingVideo != NONE)) {
1538        // We're currently attempting to flush the decoder, in order
1539        // to complete this, the decoder wants all its buffers back,
1540        // so we don't want any output buffers it sent us (from before
1541        // we initiated the flush) to be stuck in the renderer's queue.
1542
1543        ALOGV("we're still flushing the %s decoder, sending its output buffer"
1544             " right back.", audio ? "audio" : "video");
1545
1546        reply->post();
1547        return;
1548    }
1549
1550    sp<ABuffer> buffer;
1551    CHECK(msg->findBuffer("buffer", &buffer));
1552
1553    int64_t mediaTimeUs;
1554    CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs));
1555
1556    int64_t &skipUntilMediaTimeUs =
1557        audio
1558            ? mSkipRenderingAudioUntilMediaTimeUs
1559            : mSkipRenderingVideoUntilMediaTimeUs;
1560
1561    if (skipUntilMediaTimeUs >= 0) {
1562
1563        if (mediaTimeUs < skipUntilMediaTimeUs) {
1564            ALOGV("dropping %s buffer at time %lld as requested.",
1565                 audio ? "audio" : "video",
1566                 mediaTimeUs);
1567
1568            reply->post();
1569            return;
1570        }
1571
1572        skipUntilMediaTimeUs = -1;
1573    }
1574
1575    if (!audio && mCCDecoder->isSelected()) {
1576        mCCDecoder->display(mediaTimeUs);
1577    }
1578
1579    mRenderer->queueBuffer(audio, buffer, reply);
1580}
1581
1582void NuPlayer::updateVideoSize(
1583        const sp<AMessage> &inputFormat,
1584        const sp<AMessage> &outputFormat) {
1585    if (inputFormat == NULL) {
1586        ALOGW("Unknown video size, reporting 0x0!");
1587        notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0);
1588        return;
1589    }
1590
1591    int32_t displayWidth, displayHeight;
1592    int32_t cropLeft, cropTop, cropRight, cropBottom;
1593
1594    if (outputFormat != NULL) {
1595        int32_t width, height;
1596        CHECK(outputFormat->findInt32("width", &width));
1597        CHECK(outputFormat->findInt32("height", &height));
1598
1599        int32_t cropLeft, cropTop, cropRight, cropBottom;
1600        CHECK(outputFormat->findRect(
1601                    "crop",
1602                    &cropLeft, &cropTop, &cropRight, &cropBottom));
1603
1604        displayWidth = cropRight - cropLeft + 1;
1605        displayHeight = cropBottom - cropTop + 1;
1606
1607        ALOGV("Video output format changed to %d x %d "
1608             "(crop: %d x %d @ (%d, %d))",
1609             width, height,
1610             displayWidth,
1611             displayHeight,
1612             cropLeft, cropTop);
1613    } else {
1614        CHECK(inputFormat->findInt32("width", &displayWidth));
1615        CHECK(inputFormat->findInt32("height", &displayHeight));
1616
1617        ALOGV("Video input format %d x %d", displayWidth, displayHeight);
1618    }
1619
1620    // Take into account sample aspect ratio if necessary:
1621    int32_t sarWidth, sarHeight;
1622    if (inputFormat->findInt32("sar-width", &sarWidth)
1623            && inputFormat->findInt32("sar-height", &sarHeight)) {
1624        ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight);
1625
1626        displayWidth = (displayWidth * sarWidth) / sarHeight;
1627
1628        ALOGV("display dimensions %d x %d", displayWidth, displayHeight);
1629    }
1630
1631    int32_t rotationDegrees;
1632    if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) {
1633        rotationDegrees = 0;
1634    }
1635
1636    if (rotationDegrees == 90 || rotationDegrees == 270) {
1637        int32_t tmp = displayWidth;
1638        displayWidth = displayHeight;
1639        displayHeight = tmp;
1640    }
1641
1642    notifyListener(
1643            MEDIA_SET_VIDEO_SIZE,
1644            displayWidth,
1645            displayHeight);
1646}
1647
1648void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) {
1649    if (mDriver == NULL) {
1650        return;
1651    }
1652
1653    sp<NuPlayerDriver> driver = mDriver.promote();
1654
1655    if (driver == NULL) {
1656        return;
1657    }
1658
1659    driver->notifyListener(msg, ext1, ext2, in);
1660}
1661
1662void NuPlayer::flushDecoder(
1663        bool audio, bool needShutdown, const sp<AMessage> &newFormat) {
1664    ALOGV("[%s] flushDecoder needShutdown=%d",
1665          audio ? "audio" : "video", needShutdown);
1666
1667    const sp<Decoder> &decoder = getDecoder(audio);
1668    if (decoder == NULL) {
1669        ALOGI("flushDecoder %s without decoder present",
1670             audio ? "audio" : "video");
1671        return;
1672    }
1673
1674    // Make sure we don't continue to scan sources until we finish flushing.
1675    ++mScanSourcesGeneration;
1676    mScanSourcesPending = false;
1677
1678    decoder->signalFlush(newFormat);
1679    mRenderer->flush(audio);
1680
1681    FlushStatus newStatus =
1682        needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
1683
1684    if (audio) {
1685        ALOGE_IF(mFlushingAudio != NONE,
1686                "audio flushDecoder() is called in state %d", mFlushingAudio);
1687        mFlushingAudio = newStatus;
1688    } else {
1689        ALOGE_IF(mFlushingVideo != NONE,
1690                "video flushDecoder() is called in state %d", mFlushingVideo);
1691        mFlushingVideo = newStatus;
1692
1693        if (mCCDecoder != NULL) {
1694            mCCDecoder->flush();
1695        }
1696    }
1697}
1698
1699void NuPlayer::updateDecoderFormatWithoutFlush(
1700        bool audio, const sp<AMessage> &format) {
1701    ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video");
1702
1703    const sp<Decoder> &decoder = getDecoder(audio);
1704    if (decoder == NULL) {
1705        ALOGI("updateDecoderFormatWithoutFlush %s without decoder present",
1706             audio ? "audio" : "video");
1707        return;
1708    }
1709
1710    decoder->signalUpdateFormat(format);
1711}
1712
1713void NuPlayer::queueDecoderShutdown(
1714        bool audio, bool video, const sp<AMessage> &reply) {
1715    ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
1716
1717    mDeferredActions.push_back(
1718            new ShutdownDecoderAction(audio, video));
1719
1720    mDeferredActions.push_back(
1721            new SimpleAction(&NuPlayer::performScanSources));
1722
1723    mDeferredActions.push_back(new PostMessageAction(reply));
1724
1725    processDeferredActions();
1726}
1727
1728status_t NuPlayer::setVideoScalingMode(int32_t mode) {
1729    mVideoScalingMode = mode;
1730    if (mNativeWindow != NULL) {
1731        status_t ret = native_window_set_scaling_mode(
1732                mNativeWindow->getNativeWindow().get(), mVideoScalingMode);
1733        if (ret != OK) {
1734            ALOGE("Failed to set scaling mode (%d): %s",
1735                -ret, strerror(-ret));
1736            return ret;
1737        }
1738    }
1739    return OK;
1740}
1741
1742status_t NuPlayer::getTrackInfo(Parcel* reply) const {
1743    sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id());
1744    msg->setPointer("reply", reply);
1745
1746    sp<AMessage> response;
1747    status_t err = msg->postAndAwaitResponse(&response);
1748    return err;
1749}
1750
1751status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const {
1752    sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id());
1753    msg->setPointer("reply", reply);
1754    msg->setInt32("type", type);
1755
1756    sp<AMessage> response;
1757    status_t err = msg->postAndAwaitResponse(&response);
1758    if (err == OK && response != NULL) {
1759        CHECK(response->findInt32("err", &err));
1760    }
1761    return err;
1762}
1763
1764status_t NuPlayer::selectTrack(size_t trackIndex, bool select) {
1765    sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
1766    msg->setSize("trackIndex", trackIndex);
1767    msg->setInt32("select", select);
1768
1769    sp<AMessage> response;
1770    status_t err = msg->postAndAwaitResponse(&response);
1771
1772    if (err != OK) {
1773        return err;
1774    }
1775
1776    if (!response->findInt32("err", &err)) {
1777        err = OK;
1778    }
1779
1780    return err;
1781}
1782
1783sp<MetaData> NuPlayer::getFileMeta() {
1784    return mSource->getFileFormatMeta();
1785}
1786
1787void NuPlayer::schedulePollDuration() {
1788    sp<AMessage> msg = new AMessage(kWhatPollDuration, id());
1789    msg->setInt32("generation", mPollDurationGeneration);
1790    msg->post();
1791}
1792
1793void NuPlayer::cancelPollDuration() {
1794    ++mPollDurationGeneration;
1795}
1796
1797void NuPlayer::processDeferredActions() {
1798    while (!mDeferredActions.empty()) {
1799        // We won't execute any deferred actions until we're no longer in
1800        // an intermediate state, i.e. one more more decoders are currently
1801        // flushing or shutting down.
1802
1803        if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
1804            // We're currently flushing, postpone the reset until that's
1805            // completed.
1806
1807            ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d",
1808                  mFlushingAudio, mFlushingVideo);
1809
1810            break;
1811        }
1812
1813        sp<Action> action = *mDeferredActions.begin();
1814        mDeferredActions.erase(mDeferredActions.begin());
1815
1816        action->execute(this);
1817    }
1818}
1819
1820void NuPlayer::performSeek(int64_t seekTimeUs, bool needNotify) {
1821    ALOGV("performSeek seekTimeUs=%lld us (%.2f secs), needNotify(%d)",
1822          seekTimeUs,
1823          seekTimeUs / 1E6,
1824          needNotify);
1825
1826    if (mSource == NULL) {
1827        // This happens when reset occurs right before the loop mode
1828        // asynchronously seeks to the start of the stream.
1829        LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL,
1830                "mSource is NULL and decoders not NULL audio(%p) video(%p)",
1831                mAudioDecoder.get(), mVideoDecoder.get());
1832        return;
1833    }
1834    mSource->seekTo(seekTimeUs);
1835    ++mTimedTextGeneration;
1836
1837    if (mDriver != NULL) {
1838        sp<NuPlayerDriver> driver = mDriver.promote();
1839        if (driver != NULL) {
1840            driver->notifyPosition(seekTimeUs);
1841            if (needNotify) {
1842                driver->notifySeekComplete();
1843            }
1844        }
1845    }
1846
1847    // everything's flushed, continue playback.
1848}
1849
1850void NuPlayer::performDecoderFlush() {
1851    ALOGV("performDecoderFlush");
1852
1853    if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
1854        return;
1855    }
1856
1857    mTimeDiscontinuityPending = true;
1858
1859    if (mAudioDecoder != NULL) {
1860        flushDecoder(true /* audio */, false /* needShutdown */);
1861    }
1862
1863    if (mVideoDecoder != NULL) {
1864        flushDecoder(false /* audio */, false /* needShutdown */);
1865    }
1866}
1867
1868void NuPlayer::performDecoderShutdown(bool audio, bool video) {
1869    ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video);
1870
1871    if ((!audio || mAudioDecoder == NULL)
1872            && (!video || mVideoDecoder == NULL)) {
1873        return;
1874    }
1875
1876    mTimeDiscontinuityPending = true;
1877
1878    if (audio && mAudioDecoder != NULL) {
1879        flushDecoder(true /* audio */, true /* needShutdown */);
1880    }
1881
1882    if (video && mVideoDecoder != NULL) {
1883        flushDecoder(false /* audio */, true /* needShutdown */);
1884    }
1885}
1886
1887void NuPlayer::performReset() {
1888    ALOGV("performReset");
1889
1890    CHECK(mAudioDecoder == NULL);
1891    CHECK(mVideoDecoder == NULL);
1892
1893    cancelPollDuration();
1894
1895    ++mScanSourcesGeneration;
1896    mScanSourcesPending = false;
1897
1898    if (mRendererLooper != NULL) {
1899        if (mRenderer != NULL) {
1900            mRendererLooper->unregisterHandler(mRenderer->id());
1901        }
1902        mRendererLooper->stop();
1903        mRendererLooper.clear();
1904    }
1905    mRenderer.clear();
1906    ++mRendererGeneration;
1907
1908    if (mSource != NULL) {
1909        mSource->stop();
1910
1911        mSource.clear();
1912    }
1913
1914    if (mDriver != NULL) {
1915        sp<NuPlayerDriver> driver = mDriver.promote();
1916        if (driver != NULL) {
1917            driver->notifyResetComplete();
1918        }
1919    }
1920
1921    mStarted = false;
1922}
1923
1924void NuPlayer::performScanSources() {
1925    ALOGV("performScanSources");
1926
1927    if (!mStarted) {
1928        return;
1929    }
1930
1931    if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
1932        postScanSources();
1933    }
1934}
1935
1936void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) {
1937    ALOGV("performSetSurface");
1938
1939    mNativeWindow = wrapper;
1940
1941    // XXX - ignore error from setVideoScalingMode for now
1942    setVideoScalingMode(mVideoScalingMode);
1943
1944    if (mDriver != NULL) {
1945        sp<NuPlayerDriver> driver = mDriver.promote();
1946        if (driver != NULL) {
1947            driver->notifySetSurfaceComplete();
1948        }
1949    }
1950}
1951
1952void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
1953    int32_t what;
1954    CHECK(msg->findInt32("what", &what));
1955
1956    switch (what) {
1957        case Source::kWhatPrepared:
1958        {
1959            if (mSource == NULL) {
1960                // This is a stale notification from a source that was
1961                // asynchronously preparing when the client called reset().
1962                // We handled the reset, the source is gone.
1963                break;
1964            }
1965
1966            int32_t err;
1967            CHECK(msg->findInt32("err", &err));
1968
1969            sp<NuPlayerDriver> driver = mDriver.promote();
1970            if (driver != NULL) {
1971                // notify duration first, so that it's definitely set when
1972                // the app received the "prepare complete" callback.
1973                int64_t durationUs;
1974                if (mSource->getDuration(&durationUs) == OK) {
1975                    driver->notifyDuration(durationUs);
1976                }
1977                driver->notifyPrepareCompleted(err);
1978            }
1979
1980            break;
1981        }
1982
1983        case Source::kWhatFlagsChanged:
1984        {
1985            uint32_t flags;
1986            CHECK(msg->findInt32("flags", (int32_t *)&flags));
1987
1988            sp<NuPlayerDriver> driver = mDriver.promote();
1989            if (driver != NULL) {
1990                driver->notifyFlagsChanged(flags);
1991            }
1992
1993            if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1994                    && (!(flags & Source::FLAG_DYNAMIC_DURATION))) {
1995                cancelPollDuration();
1996            } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1997                    && (flags & Source::FLAG_DYNAMIC_DURATION)
1998                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
1999                schedulePollDuration();
2000            }
2001
2002            mSourceFlags = flags;
2003            break;
2004        }
2005
2006        case Source::kWhatVideoSizeChanged:
2007        {
2008            sp<AMessage> format;
2009            CHECK(msg->findMessage("format", &format));
2010
2011            updateVideoSize(format);
2012            break;
2013        }
2014
2015        case Source::kWhatBufferingUpdate:
2016        {
2017            int32_t percentage;
2018            CHECK(msg->findInt32("percentage", &percentage));
2019
2020            notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0);
2021            break;
2022        }
2023
2024        case Source::kWhatBufferingStart:
2025        {
2026            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0);
2027            break;
2028        }
2029
2030        case Source::kWhatBufferingEnd:
2031        {
2032            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0);
2033            break;
2034        }
2035
2036        case Source::kWhatSubtitleData:
2037        {
2038            sp<ABuffer> buffer;
2039            CHECK(msg->findBuffer("buffer", &buffer));
2040
2041            sendSubtitleData(buffer, 0 /* baseIndex */);
2042            break;
2043        }
2044
2045        case Source::kWhatTimedTextData:
2046        {
2047            int32_t generation;
2048            if (msg->findInt32("generation", &generation)
2049                    && generation != mTimedTextGeneration) {
2050                break;
2051            }
2052
2053            sp<ABuffer> buffer;
2054            CHECK(msg->findBuffer("buffer", &buffer));
2055
2056            sp<NuPlayerDriver> driver = mDriver.promote();
2057            if (driver == NULL) {
2058                break;
2059            }
2060
2061            int posMs;
2062            int64_t timeUs, posUs;
2063            driver->getCurrentPosition(&posMs);
2064            posUs = posMs * 1000;
2065            CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2066
2067            if (posUs < timeUs) {
2068                if (!msg->findInt32("generation", &generation)) {
2069                    msg->setInt32("generation", mTimedTextGeneration);
2070                }
2071                msg->post(timeUs - posUs);
2072            } else {
2073                sendTimedTextData(buffer);
2074            }
2075            break;
2076        }
2077
2078        case Source::kWhatQueueDecoderShutdown:
2079        {
2080            int32_t audio, video;
2081            CHECK(msg->findInt32("audio", &audio));
2082            CHECK(msg->findInt32("video", &video));
2083
2084            sp<AMessage> reply;
2085            CHECK(msg->findMessage("reply", &reply));
2086
2087            queueDecoderShutdown(audio, video, reply);
2088            break;
2089        }
2090
2091        case Source::kWhatDrmNoLicense:
2092        {
2093            notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE);
2094            break;
2095        }
2096
2097        default:
2098            TRESPASS();
2099    }
2100}
2101
2102void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) {
2103    int32_t what;
2104    CHECK(msg->findInt32("what", &what));
2105
2106    switch (what) {
2107        case NuPlayer::CCDecoder::kWhatClosedCaptionData:
2108        {
2109            sp<ABuffer> buffer;
2110            CHECK(msg->findBuffer("buffer", &buffer));
2111
2112            size_t inbandTracks = 0;
2113            if (mSource != NULL) {
2114                inbandTracks = mSource->getTrackCount();
2115            }
2116
2117            sendSubtitleData(buffer, inbandTracks);
2118            break;
2119        }
2120
2121        case NuPlayer::CCDecoder::kWhatTrackAdded:
2122        {
2123            notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
2124
2125            break;
2126        }
2127
2128        default:
2129            TRESPASS();
2130    }
2131
2132
2133}
2134
2135void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) {
2136    int32_t trackIndex;
2137    int64_t timeUs, durationUs;
2138    CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex));
2139    CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2140    CHECK(buffer->meta()->findInt64("durationUs", &durationUs));
2141
2142    Parcel in;
2143    in.writeInt32(trackIndex + baseIndex);
2144    in.writeInt64(timeUs);
2145    in.writeInt64(durationUs);
2146    in.writeInt32(buffer->size());
2147    in.writeInt32(buffer->size());
2148    in.write(buffer->data(), buffer->size());
2149
2150    notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
2151}
2152
2153void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) {
2154    const void *data;
2155    size_t size = 0;
2156    int64_t timeUs;
2157    int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS;
2158
2159    AString mime;
2160    CHECK(buffer->meta()->findString("mime", &mime));
2161    CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0);
2162
2163    data = buffer->data();
2164    size = buffer->size();
2165
2166    Parcel parcel;
2167    if (size > 0) {
2168        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2169        flag |= TextDescriptions::IN_BAND_TEXT_3GPP;
2170        TextDescriptions::getParcelOfDescriptions(
2171                (const uint8_t *)data, size, flag, timeUs / 1000, &parcel);
2172    }
2173
2174    if ((parcel.dataSize() > 0)) {
2175        notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel);
2176    } else {  // send an empty timed text
2177        notifyListener(MEDIA_TIMED_TEXT, 0, 0);
2178    }
2179}
2180////////////////////////////////////////////////////////////////////////////////
2181
2182sp<AMessage> NuPlayer::Source::getFormat(bool audio) {
2183    sp<MetaData> meta = getFormatMeta(audio);
2184
2185    if (meta == NULL) {
2186        return NULL;
2187    }
2188
2189    sp<AMessage> msg = new AMessage;
2190
2191    if(convertMetaDataToMessage(meta, &msg) == OK) {
2192        return msg;
2193    }
2194    return NULL;
2195}
2196
2197void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) {
2198    sp<AMessage> notify = dupNotify();
2199    notify->setInt32("what", kWhatFlagsChanged);
2200    notify->setInt32("flags", flags);
2201    notify->post();
2202}
2203
2204void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) {
2205    sp<AMessage> notify = dupNotify();
2206    notify->setInt32("what", kWhatVideoSizeChanged);
2207    notify->setMessage("format", format);
2208    notify->post();
2209}
2210
2211void NuPlayer::Source::notifyPrepared(status_t err) {
2212    sp<AMessage> notify = dupNotify();
2213    notify->setInt32("what", kWhatPrepared);
2214    notify->setInt32("err", err);
2215    notify->post();
2216}
2217
2218void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) {
2219    TRESPASS();
2220}
2221
2222}  // namespace android
2223