NuPlayer.cpp revision 404fced9bfa8fa423ee210a271ca051ffd1bec13 
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 "NuPlayerDriver.h"
26#include "NuPlayerRenderer.h"
27#include "NuPlayerSource.h"
28#include "RTSPSource.h"
29#include "StreamingSource.h"
30#include "GenericSource.h"
31
32#include "ATSParser.h"
33
34#include <media/stagefright/foundation/hexdump.h>
35#include <media/stagefright/foundation/ABuffer.h>
36#include <media/stagefright/foundation/ADebug.h>
37#include <media/stagefright/foundation/AMessage.h>
38#include <media/stagefright/MediaDefs.h>
39#include <media/stagefright/MediaErrors.h>
40#include <media/stagefright/MetaData.h>
41#include <gui/IGraphicBufferProducer.h>
42
43#include "avc_utils.h"
44
45#include "ESDS.h"
46#include <media/stagefright/Utils.h>
47
48namespace android {
49
50struct NuPlayer::Action : public RefBase {
51    Action() {}
52
53    virtual void execute(NuPlayer *player) = 0;
54
55private:
56    DISALLOW_EVIL_CONSTRUCTORS(Action);
57};
58
59struct NuPlayer::SeekAction : public Action {
60    SeekAction(int64_t seekTimeUs)
61        : mSeekTimeUs(seekTimeUs) {
62    }
63
64    virtual void execute(NuPlayer *player) {
65        player->performSeek(mSeekTimeUs);
66    }
67
68private:
69    int64_t mSeekTimeUs;
70
71    DISALLOW_EVIL_CONSTRUCTORS(SeekAction);
72};
73
74struct NuPlayer::SetSurfaceAction : public Action {
75    SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper)
76        : mWrapper(wrapper) {
77    }
78
79    virtual void execute(NuPlayer *player) {
80        player->performSetSurface(mWrapper);
81    }
82
83private:
84    sp<NativeWindowWrapper> mWrapper;
85
86    DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction);
87};
88
89struct NuPlayer::ShutdownDecoderAction : public Action {
90    ShutdownDecoderAction(bool audio, bool video)
91        : mAudio(audio),
92          mVideo(video) {
93    }
94
95    virtual void execute(NuPlayer *player) {
96        player->performDecoderShutdown(mAudio, mVideo);
97    }
98
99private:
100    bool mAudio;
101    bool mVideo;
102
103    DISALLOW_EVIL_CONSTRUCTORS(ShutdownDecoderAction);
104};
105
106struct NuPlayer::PostMessageAction : public Action {
107    PostMessageAction(const sp<AMessage> &msg)
108        : mMessage(msg) {
109    }
110
111    virtual void execute(NuPlayer *) {
112        mMessage->post();
113    }
114
115private:
116    sp<AMessage> mMessage;
117
118    DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction);
119};
120
121// Use this if there's no state necessary to save in order to execute
122// the action.
123struct NuPlayer::SimpleAction : public Action {
124    typedef void (NuPlayer::*ActionFunc)();
125
126    SimpleAction(ActionFunc func)
127        : mFunc(func) {
128    }
129
130    virtual void execute(NuPlayer *player) {
131        (player->*mFunc)();
132    }
133
134private:
135    ActionFunc mFunc;
136
137    DISALLOW_EVIL_CONSTRUCTORS(SimpleAction);
138};
139
140////////////////////////////////////////////////////////////////////////////////
141
142NuPlayer::NuPlayer()
143    : mUIDValid(false),
144      mSourceFlags(0),
145      mVideoIsAVC(false),
146      mAudioEOS(false),
147      mVideoEOS(false),
148      mScanSourcesPending(false),
149      mScanSourcesGeneration(0),
150      mPollDurationGeneration(0),
151      mTimeDiscontinuityPending(false),
152      mFlushingAudio(NONE),
153      mFlushingVideo(NONE),
154      mSkipRenderingAudioUntilMediaTimeUs(-1ll),
155      mSkipRenderingVideoUntilMediaTimeUs(-1ll),
156      mVideoLateByUs(0ll),
157      mNumFramesTotal(0ll),
158      mNumFramesDropped(0ll),
159      mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW),
160      mStarted(false) {
161}
162
163NuPlayer::~NuPlayer() {
164}
165
166void NuPlayer::setUID(uid_t uid) {
167    mUIDValid = true;
168    mUID = uid;
169}
170
171void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) {
172    mDriver = driver;
173}
174
175void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) {
176    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
177
178    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
179
180    msg->setObject("source", new StreamingSource(notify, source));
181    msg->post();
182}
183
184static bool IsHTTPLiveURL(const char *url) {
185    if (!strncasecmp("http://", url, 7)
186            || !strncasecmp("https://", url, 8)
187            || !strncasecmp("file://", url, 7)) {
188        size_t len = strlen(url);
189        if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
190            return true;
191        }
192
193        if (strstr(url,"m3u8")) {
194            return true;
195        }
196    }
197
198    return false;
199}
200
201void NuPlayer::setDataSourceAsync(
202        const sp<IMediaHTTPService> &httpService,
203        const char *url,
204        const KeyedVector<String8, String8> *headers) {
205    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
206    size_t len = strlen(url);
207
208    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
209
210    sp<Source> source;
211    if (IsHTTPLiveURL(url)) {
212        source = new HTTPLiveSource(notify, httpService, url, headers);
213    } else if (!strncasecmp(url, "rtsp://", 7)) {
214        source = new RTSPSource(
215                notify, httpService, url, headers, mUIDValid, mUID);
216    } else if ((!strncasecmp(url, "http://", 7)
217                || !strncasecmp(url, "https://", 8))
218                    && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4]))
219                    || strstr(url, ".sdp?"))) {
220        source = new RTSPSource(
221                notify, httpService, url, headers, mUIDValid, mUID, true);
222    } else {
223        source = new GenericSource(notify, httpService, url, headers);
224    }
225
226    msg->setObject("source", source);
227    msg->post();
228}
229
230void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) {
231    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
232
233    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
234
235    sp<Source> source = new GenericSource(notify, fd, offset, length);
236    msg->setObject("source", source);
237    msg->post();
238}
239
240void NuPlayer::prepareAsync() {
241    (new AMessage(kWhatPrepare, id()))->post();
242}
243
244void NuPlayer::setVideoSurfaceTextureAsync(
245        const sp<IGraphicBufferProducer> &bufferProducer) {
246    sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id());
247
248    if (bufferProducer == NULL) {
249        msg->setObject("native-window", NULL);
250    } else {
251        msg->setObject(
252                "native-window",
253                new NativeWindowWrapper(
254                    new Surface(bufferProducer)));
255    }
256
257    msg->post();
258}
259
260void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) {
261    sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id());
262    msg->setObject("sink", sink);
263    msg->post();
264}
265
266void NuPlayer::start() {
267    (new AMessage(kWhatStart, id()))->post();
268}
269
270void NuPlayer::pause() {
271    (new AMessage(kWhatPause, id()))->post();
272}
273
274void NuPlayer::resume() {
275    (new AMessage(kWhatResume, id()))->post();
276}
277
278void NuPlayer::resetAsync() {
279    (new AMessage(kWhatReset, id()))->post();
280}
281
282void NuPlayer::seekToAsync(int64_t seekTimeUs) {
283    sp<AMessage> msg = new AMessage(kWhatSeek, id());
284    msg->setInt64("seekTimeUs", seekTimeUs);
285    msg->post();
286}
287
288// static
289bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) {
290    switch (state) {
291        case FLUSHING_DECODER:
292            if (needShutdown != NULL) {
293                *needShutdown = false;
294            }
295            return true;
296
297        case FLUSHING_DECODER_SHUTDOWN:
298            if (needShutdown != NULL) {
299                *needShutdown = true;
300            }
301            return true;
302
303        default:
304            return false;
305    }
306}
307
308void NuPlayer::writeTrackInfo(
309        Parcel* reply, const sp<AMessage> format) const {
310    int32_t trackType;
311    CHECK(format->findInt32("type", &trackType));
312
313    AString lang;
314    CHECK(format->findString("language", &lang));
315
316    reply->writeInt32(2); // write something non-zero
317    reply->writeInt32(trackType);
318    reply->writeString16(String16(lang.c_str()));
319
320    if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
321        AString mime;
322        CHECK(format->findString("mime", &mime));
323
324        int32_t isAuto, isDefault, isForced;
325        CHECK(format->findInt32("auto", &isAuto));
326        CHECK(format->findInt32("default", &isDefault));
327        CHECK(format->findInt32("forced", &isForced));
328
329        reply->writeString16(String16(mime.c_str()));
330        reply->writeInt32(isAuto);
331        reply->writeInt32(isDefault);
332        reply->writeInt32(isForced);
333    }
334}
335
336void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
337    switch (msg->what()) {
338        case kWhatSetDataSource:
339        {
340            ALOGV("kWhatSetDataSource");
341
342            CHECK(mSource == NULL);
343
344            sp<RefBase> obj;
345            CHECK(msg->findObject("source", &obj));
346
347            mSource = static_cast<Source *>(obj.get());
348
349            looper()->registerHandler(mSource);
350
351            CHECK(mDriver != NULL);
352            sp<NuPlayerDriver> driver = mDriver.promote();
353            if (driver != NULL) {
354                driver->notifySetDataSourceCompleted(OK);
355            }
356            break;
357        }
358
359        case kWhatPrepare:
360        {
361            mSource->prepareAsync();
362            break;
363        }
364
365        case kWhatGetTrackInfo:
366        {
367            uint32_t replyID;
368            CHECK(msg->senderAwaitsResponse(&replyID));
369
370            Parcel* reply;
371            CHECK(msg->findPointer("reply", (void**)&reply));
372
373            size_t inbandTracks = 0;
374            if (mSource != NULL) {
375                inbandTracks = mSource->getTrackCount();
376            }
377
378            // total track count
379            reply->writeInt32(inbandTracks);
380
381            // write inband tracks
382            for (size_t i = 0; i < inbandTracks; ++i) {
383                writeTrackInfo(reply, mSource->getTrackInfo(i));
384            }
385
386            sp<AMessage> response = new AMessage;
387            response->postReply(replyID);
388            break;
389        }
390
391        case kWhatSelectTrack:
392        {
393            uint32_t replyID;
394            CHECK(msg->senderAwaitsResponse(&replyID));
395
396            size_t trackIndex;
397            int32_t select;
398            CHECK(msg->findSize("trackIndex", &trackIndex));
399            CHECK(msg->findInt32("select", &select));
400
401            status_t err = INVALID_OPERATION;
402
403            size_t inbandTracks = 0;
404            if (mSource != NULL) {
405                inbandTracks = mSource->getTrackCount();
406            }
407
408            if (trackIndex < inbandTracks) {
409                err = mSource->selectTrack(trackIndex, select);
410            }
411
412            sp<AMessage> response = new AMessage;
413            response->setInt32("err", err);
414
415            response->postReply(replyID);
416            break;
417        }
418
419        case kWhatPollDuration:
420        {
421            int32_t generation;
422            CHECK(msg->findInt32("generation", &generation));
423
424            if (generation != mPollDurationGeneration) {
425                // stale
426                break;
427            }
428
429            int64_t durationUs;
430            if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) {
431                sp<NuPlayerDriver> driver = mDriver.promote();
432                if (driver != NULL) {
433                    driver->notifyDuration(durationUs);
434                }
435            }
436
437            msg->post(1000000ll);  // poll again in a second.
438            break;
439        }
440
441        case kWhatSetVideoNativeWindow:
442        {
443            ALOGV("kWhatSetVideoNativeWindow");
444
445            mDeferredActions.push_back(
446                    new ShutdownDecoderAction(
447                        false /* audio */, true /* video */));
448
449            sp<RefBase> obj;
450            CHECK(msg->findObject("native-window", &obj));
451
452            mDeferredActions.push_back(
453                    new SetSurfaceAction(
454                        static_cast<NativeWindowWrapper *>(obj.get())));
455
456            if (obj != NULL) {
457                // If there is a new surface texture, instantiate decoders
458                // again if possible.
459                mDeferredActions.push_back(
460                        new SimpleAction(&NuPlayer::performScanSources));
461            }
462
463            processDeferredActions();
464            break;
465        }
466
467        case kWhatSetAudioSink:
468        {
469            ALOGV("kWhatSetAudioSink");
470
471            sp<RefBase> obj;
472            CHECK(msg->findObject("sink", &obj));
473
474            mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get());
475            break;
476        }
477
478        case kWhatStart:
479        {
480            ALOGV("kWhatStart");
481
482            mVideoIsAVC = false;
483            mAudioEOS = false;
484            mVideoEOS = false;
485            mSkipRenderingAudioUntilMediaTimeUs = -1;
486            mSkipRenderingVideoUntilMediaTimeUs = -1;
487            mVideoLateByUs = 0;
488            mNumFramesTotal = 0;
489            mNumFramesDropped = 0;
490            mStarted = true;
491
492            mSource->start();
493
494            uint32_t flags = 0;
495
496            if (mSource->isRealTime()) {
497                flags |= Renderer::FLAG_REAL_TIME;
498            }
499
500            mRenderer = new Renderer(
501                    mAudioSink,
502                    new AMessage(kWhatRendererNotify, id()),
503                    flags);
504
505            looper()->registerHandler(mRenderer);
506
507            postScanSources();
508            break;
509        }
510
511        case kWhatScanSources:
512        {
513            int32_t generation;
514            CHECK(msg->findInt32("generation", &generation));
515            if (generation != mScanSourcesGeneration) {
516                // Drop obsolete msg.
517                break;
518            }
519
520            mScanSourcesPending = false;
521
522            ALOGV("scanning sources haveAudio=%d, haveVideo=%d",
523                 mAudioDecoder != NULL, mVideoDecoder != NULL);
524
525            bool mHadAnySourcesBefore =
526                (mAudioDecoder != NULL) || (mVideoDecoder != NULL);
527
528            if (mNativeWindow != NULL) {
529                instantiateDecoder(false, &mVideoDecoder);
530            }
531
532            if (mAudioSink != NULL) {
533                instantiateDecoder(true, &mAudioDecoder);
534            }
535
536            if (!mHadAnySourcesBefore
537                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
538                // This is the first time we've found anything playable.
539
540                if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) {
541                    schedulePollDuration();
542                }
543            }
544
545            status_t err;
546            if ((err = mSource->feedMoreTSData()) != OK) {
547                if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
548                    // We're not currently decoding anything (no audio or
549                    // video tracks found) and we just ran out of input data.
550
551                    if (err == ERROR_END_OF_STREAM) {
552                        notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
553                    } else {
554                        notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
555                    }
556                }
557                break;
558            }
559
560            if ((mAudioDecoder == NULL && mAudioSink != NULL)
561                    || (mVideoDecoder == NULL && mNativeWindow != NULL)) {
562                msg->post(100000ll);
563                mScanSourcesPending = true;
564            }
565            break;
566        }
567
568        case kWhatVideoNotify:
569        case kWhatAudioNotify:
570        {
571            bool audio = msg->what() == kWhatAudioNotify;
572
573            int32_t what;
574            CHECK(msg->findInt32("what", &what));
575
576            if (what == Decoder::kWhatFillThisBuffer) {
577                status_t err = feedDecoderInputData(
578                        audio, msg);
579
580                if (err == -EWOULDBLOCK) {
581                    if (mSource->feedMoreTSData() == OK) {
582                        msg->post(10000ll);
583                    }
584                }
585            } else if (what == Decoder::kWhatEOS) {
586                int32_t err;
587                CHECK(msg->findInt32("err", &err));
588
589                if (err == ERROR_END_OF_STREAM) {
590                    ALOGV("got %s decoder EOS", audio ? "audio" : "video");
591                } else {
592                    ALOGV("got %s decoder EOS w/ error %d",
593                         audio ? "audio" : "video",
594                         err);
595                }
596
597                mRenderer->queueEOS(audio, err);
598            } else if (what == Decoder::kWhatFlushCompleted) {
599                bool needShutdown;
600
601                if (audio) {
602                    CHECK(IsFlushingState(mFlushingAudio, &needShutdown));
603                    mFlushingAudio = FLUSHED;
604                } else {
605                    CHECK(IsFlushingState(mFlushingVideo, &needShutdown));
606                    mFlushingVideo = FLUSHED;
607
608                    mVideoLateByUs = 0;
609                }
610
611                ALOGV("decoder %s flush completed", audio ? "audio" : "video");
612
613                if (needShutdown) {
614                    ALOGV("initiating %s decoder shutdown",
615                         audio ? "audio" : "video");
616
617                    (audio ? mAudioDecoder : mVideoDecoder)->initiateShutdown();
618
619                    if (audio) {
620                        mFlushingAudio = SHUTTING_DOWN_DECODER;
621                    } else {
622                        mFlushingVideo = SHUTTING_DOWN_DECODER;
623                    }
624                }
625
626                finishFlushIfPossible();
627            } else if (what == Decoder::kWhatOutputFormatChanged) {
628                sp<AMessage> format;
629                CHECK(msg->findMessage("format", &format));
630
631                if (audio) {
632                    int32_t numChannels;
633                    CHECK(format->findInt32(
634                                "channel-count", &numChannels));
635
636                    int32_t sampleRate;
637                    CHECK(format->findInt32("sample-rate", &sampleRate));
638
639                    ALOGV("Audio output format changed to %d Hz, %d channels",
640                         sampleRate, numChannels);
641
642                    mAudioSink->close();
643
644                    audio_output_flags_t flags;
645                    int64_t durationUs;
646                    // FIXME: we should handle the case where the video decoder
647                    // is created after we receive the format change indication.
648                    // Current code will just make that we select deep buffer
649                    // with video which should not be a problem as it should
650                    // not prevent from keeping A/V sync.
651                    if (mVideoDecoder == NULL &&
652                            mSource->getDuration(&durationUs) == OK &&
653                            durationUs
654                                > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
655                        flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
656                    } else {
657                        flags = AUDIO_OUTPUT_FLAG_NONE;
658                    }
659
660                    int32_t channelMask;
661                    if (!format->findInt32("channel-mask", &channelMask)) {
662                        channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
663                    }
664
665                    CHECK_EQ(mAudioSink->open(
666                                sampleRate,
667                                numChannels,
668                                (audio_channel_mask_t)channelMask,
669                                AUDIO_FORMAT_PCM_16_BIT,
670                                8 /* bufferCount */,
671                                NULL,
672                                NULL,
673                                flags),
674                             (status_t)OK);
675                    mAudioSink->start();
676
677                    mRenderer->signalAudioSinkChanged();
678                } else {
679                    // video
680
681                    int32_t width, height;
682                    CHECK(format->findInt32("width", &width));
683                    CHECK(format->findInt32("height", &height));
684
685                    int32_t cropLeft, cropTop, cropRight, cropBottom;
686                    CHECK(format->findRect(
687                                "crop",
688                                &cropLeft, &cropTop, &cropRight, &cropBottom));
689
690                    int32_t displayWidth = cropRight - cropLeft + 1;
691                    int32_t displayHeight = cropBottom - cropTop + 1;
692
693                    ALOGV("Video output format changed to %d x %d "
694                         "(crop: %d x %d @ (%d, %d))",
695                         width, height,
696                         displayWidth,
697                         displayHeight,
698                         cropLeft, cropTop);
699
700                    sp<AMessage> videoInputFormat =
701                        mSource->getFormat(false /* audio */);
702
703                    // Take into account sample aspect ratio if necessary:
704                    int32_t sarWidth, sarHeight;
705                    if (videoInputFormat->findInt32("sar-width", &sarWidth)
706                            && videoInputFormat->findInt32(
707                                "sar-height", &sarHeight)) {
708                        ALOGV("Sample aspect ratio %d : %d",
709                              sarWidth, sarHeight);
710
711                        displayWidth = (displayWidth * sarWidth) / sarHeight;
712
713                        ALOGV("display dimensions %d x %d",
714                              displayWidth, displayHeight);
715                    }
716
717                    notifyListener(
718                            MEDIA_SET_VIDEO_SIZE, displayWidth, displayHeight);
719                }
720            } else if (what == Decoder::kWhatShutdownCompleted) {
721                ALOGV("%s shutdown completed", audio ? "audio" : "video");
722                if (audio) {
723                    mAudioDecoder.clear();
724
725                    CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER);
726                    mFlushingAudio = SHUT_DOWN;
727                } else {
728                    mVideoDecoder.clear();
729
730                    CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER);
731                    mFlushingVideo = SHUT_DOWN;
732                }
733
734                finishFlushIfPossible();
735            } else if (what == Decoder::kWhatError) {
736                ALOGE("Received error from %s decoder, aborting playback.",
737                     audio ? "audio" : "video");
738
739                mRenderer->queueEOS(audio, UNKNOWN_ERROR);
740            } else if (what == Decoder::kWhatDrainThisBuffer) {
741                renderBuffer(audio, msg);
742            } else {
743                ALOGV("Unhandled decoder notification %d '%c%c%c%c'.",
744                      what,
745                      what >> 24,
746                      (what >> 16) & 0xff,
747                      (what >> 8) & 0xff,
748                      what & 0xff);
749            }
750
751            break;
752        }
753
754        case kWhatRendererNotify:
755        {
756            int32_t what;
757            CHECK(msg->findInt32("what", &what));
758
759            if (what == Renderer::kWhatEOS) {
760                int32_t audio;
761                CHECK(msg->findInt32("audio", &audio));
762
763                int32_t finalResult;
764                CHECK(msg->findInt32("finalResult", &finalResult));
765
766                if (audio) {
767                    mAudioEOS = true;
768                } else {
769                    mVideoEOS = true;
770                }
771
772                if (finalResult == ERROR_END_OF_STREAM) {
773                    ALOGV("reached %s EOS", audio ? "audio" : "video");
774                } else {
775                    ALOGE("%s track encountered an error (%d)",
776                         audio ? "audio" : "video", finalResult);
777
778                    notifyListener(
779                            MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult);
780                }
781
782                if ((mAudioEOS || mAudioDecoder == NULL)
783                        && (mVideoEOS || mVideoDecoder == NULL)) {
784                    notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
785                }
786            } else if (what == Renderer::kWhatPosition) {
787                int64_t positionUs;
788                CHECK(msg->findInt64("positionUs", &positionUs));
789
790                CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs));
791
792                if (mDriver != NULL) {
793                    sp<NuPlayerDriver> driver = mDriver.promote();
794                    if (driver != NULL) {
795                        driver->notifyPosition(positionUs);
796
797                        driver->notifyFrameStats(
798                                mNumFramesTotal, mNumFramesDropped);
799                    }
800                }
801            } else if (what == Renderer::kWhatFlushComplete) {
802                int32_t audio;
803                CHECK(msg->findInt32("audio", &audio));
804
805                ALOGV("renderer %s flush completed.", audio ? "audio" : "video");
806            } else if (what == Renderer::kWhatVideoRenderingStart) {
807                notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0);
808            } else if (what == Renderer::kWhatMediaRenderingStart) {
809                ALOGV("media rendering started");
810                notifyListener(MEDIA_STARTED, 0, 0);
811            }
812            break;
813        }
814
815        case kWhatMoreDataQueued:
816        {
817            break;
818        }
819
820        case kWhatReset:
821        {
822            ALOGV("kWhatReset");
823
824            mDeferredActions.push_back(
825                    new ShutdownDecoderAction(
826                        true /* audio */, true /* video */));
827
828            mDeferredActions.push_back(
829                    new SimpleAction(&NuPlayer::performReset));
830
831            processDeferredActions();
832            break;
833        }
834
835        case kWhatSeek:
836        {
837            int64_t seekTimeUs;
838            CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
839
840            ALOGV("kWhatSeek seekTimeUs=%lld us", seekTimeUs);
841
842            mDeferredActions.push_back(
843                    new SimpleAction(&NuPlayer::performDecoderFlush));
844
845            mDeferredActions.push_back(new SeekAction(seekTimeUs));
846
847            processDeferredActions();
848            break;
849        }
850
851        case kWhatPause:
852        {
853            CHECK(mRenderer != NULL);
854            mSource->pause();
855            mRenderer->pause();
856            break;
857        }
858
859        case kWhatResume:
860        {
861            CHECK(mRenderer != NULL);
862            mSource->resume();
863            mRenderer->resume();
864            break;
865        }
866
867        case kWhatSourceNotify:
868        {
869            onSourceNotify(msg);
870            break;
871        }
872
873        default:
874            TRESPASS();
875            break;
876    }
877}
878
879void NuPlayer::finishFlushIfPossible() {
880    if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) {
881        return;
882    }
883
884    if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) {
885        return;
886    }
887
888    ALOGV("both audio and video are flushed now.");
889
890    if (mTimeDiscontinuityPending) {
891        mRenderer->signalTimeDiscontinuity();
892        mTimeDiscontinuityPending = false;
893    }
894
895    if (mAudioDecoder != NULL) {
896        mAudioDecoder->signalResume();
897    }
898
899    if (mVideoDecoder != NULL) {
900        mVideoDecoder->signalResume();
901    }
902
903    mFlushingAudio = NONE;
904    mFlushingVideo = NONE;
905
906    processDeferredActions();
907}
908
909void NuPlayer::postScanSources() {
910    if (mScanSourcesPending) {
911        return;
912    }
913
914    sp<AMessage> msg = new AMessage(kWhatScanSources, id());
915    msg->setInt32("generation", mScanSourcesGeneration);
916    msg->post();
917
918    mScanSourcesPending = true;
919}
920
921status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
922    if (*decoder != NULL) {
923        return OK;
924    }
925
926    sp<AMessage> format = mSource->getFormat(audio);
927
928    if (format == NULL) {
929        return -EWOULDBLOCK;
930    }
931
932    if (!audio) {
933        AString mime;
934        CHECK(format->findString("mime", &mime));
935        mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str());
936    }
937
938    sp<AMessage> notify =
939        new AMessage(audio ? kWhatAudioNotify : kWhatVideoNotify,
940                     id());
941
942    *decoder = audio ? new Decoder(notify) :
943                       new Decoder(notify, mNativeWindow);
944    (*decoder)->init();
945    (*decoder)->configure(format);
946
947    return OK;
948}
949
950status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) {
951    sp<AMessage> reply;
952    CHECK(msg->findMessage("reply", &reply));
953
954    if ((audio && IsFlushingState(mFlushingAudio))
955            || (!audio && IsFlushingState(mFlushingVideo))) {
956        reply->setInt32("err", INFO_DISCONTINUITY);
957        reply->post();
958        return OK;
959    }
960
961    sp<ABuffer> accessUnit;
962
963    bool dropAccessUnit;
964    do {
965        status_t err = mSource->dequeueAccessUnit(audio, &accessUnit);
966
967        if (err == -EWOULDBLOCK) {
968            return err;
969        } else if (err != OK) {
970            if (err == INFO_DISCONTINUITY) {
971                int32_t type;
972                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
973
974                bool formatChange =
975                    (audio &&
976                     (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT))
977                    || (!audio &&
978                            (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT));
979
980                bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0;
981
982                ALOGI("%s discontinuity (formatChange=%d, time=%d)",
983                     audio ? "audio" : "video", formatChange, timeChange);
984
985                if (audio) {
986                    mSkipRenderingAudioUntilMediaTimeUs = -1;
987                } else {
988                    mSkipRenderingVideoUntilMediaTimeUs = -1;
989                }
990
991                if (timeChange) {
992                    sp<AMessage> extra;
993                    if (accessUnit->meta()->findMessage("extra", &extra)
994                            && extra != NULL) {
995                        int64_t resumeAtMediaTimeUs;
996                        if (extra->findInt64(
997                                    "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
998                            ALOGI("suppressing rendering of %s until %lld us",
999                                    audio ? "audio" : "video", resumeAtMediaTimeUs);
1000
1001                            if (audio) {
1002                                mSkipRenderingAudioUntilMediaTimeUs =
1003                                    resumeAtMediaTimeUs;
1004                            } else {
1005                                mSkipRenderingVideoUntilMediaTimeUs =
1006                                    resumeAtMediaTimeUs;
1007                            }
1008                        }
1009                    }
1010                }
1011
1012                mTimeDiscontinuityPending =
1013                    mTimeDiscontinuityPending || timeChange;
1014
1015                if (formatChange || timeChange) {
1016                    if (mFlushingAudio == NONE && mFlushingVideo == NONE) {
1017                        // And we'll resume scanning sources once we're done
1018                        // flushing.
1019                        mDeferredActions.push_front(
1020                                new SimpleAction(
1021                                    &NuPlayer::performScanSources));
1022                    }
1023
1024                    sp<AMessage> newFormat = mSource->getFormat(audio);
1025                    sp<Decoder> &decoder = audio ? mAudioDecoder : mVideoDecoder;
1026                    if (formatChange && !decoder->supportsSeamlessFormatChange(newFormat)) {
1027                        flushDecoder(audio, /* needShutdown = */ true);
1028                    } else {
1029                        flushDecoder(audio, /* needShutdown = */ false);
1030                        err = OK;
1031                    }
1032                } else {
1033                    // This stream is unaffected by the discontinuity
1034
1035                    if (audio) {
1036                        mFlushingAudio = FLUSHED;
1037                    } else {
1038                        mFlushingVideo = FLUSHED;
1039                    }
1040
1041                    finishFlushIfPossible();
1042
1043                    return -EWOULDBLOCK;
1044                }
1045            }
1046
1047            reply->setInt32("err", err);
1048            reply->post();
1049            return OK;
1050        }
1051
1052        if (!audio) {
1053            ++mNumFramesTotal;
1054        }
1055
1056        dropAccessUnit = false;
1057        if (!audio
1058                && mVideoLateByUs > 100000ll
1059                && mVideoIsAVC
1060                && !IsAVCReferenceFrame(accessUnit)) {
1061            dropAccessUnit = true;
1062            ++mNumFramesDropped;
1063        }
1064    } while (dropAccessUnit);
1065
1066    // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video");
1067
1068#if 0
1069    int64_t mediaTimeUs;
1070    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
1071    ALOGV("feeding %s input buffer at media time %.2f secs",
1072         audio ? "audio" : "video",
1073         mediaTimeUs / 1E6);
1074#endif
1075
1076    reply->setBuffer("buffer", accessUnit);
1077    reply->post();
1078
1079    return OK;
1080}
1081
1082void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) {
1083    // ALOGV("renderBuffer %s", audio ? "audio" : "video");
1084
1085    sp<AMessage> reply;
1086    CHECK(msg->findMessage("reply", &reply));
1087
1088    if (IsFlushingState(audio ? mFlushingAudio : mFlushingVideo)) {
1089        // We're currently attempting to flush the decoder, in order
1090        // to complete this, the decoder wants all its buffers back,
1091        // so we don't want any output buffers it sent us (from before
1092        // we initiated the flush) to be stuck in the renderer's queue.
1093
1094        ALOGV("we're still flushing the %s decoder, sending its output buffer"
1095             " right back.", audio ? "audio" : "video");
1096
1097        reply->post();
1098        return;
1099    }
1100
1101    sp<ABuffer> buffer;
1102    CHECK(msg->findBuffer("buffer", &buffer));
1103
1104    int64_t &skipUntilMediaTimeUs =
1105        audio
1106            ? mSkipRenderingAudioUntilMediaTimeUs
1107            : mSkipRenderingVideoUntilMediaTimeUs;
1108
1109    if (skipUntilMediaTimeUs >= 0) {
1110        int64_t mediaTimeUs;
1111        CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs));
1112
1113        if (mediaTimeUs < skipUntilMediaTimeUs) {
1114            ALOGV("dropping %s buffer at time %lld as requested.",
1115                 audio ? "audio" : "video",
1116                 mediaTimeUs);
1117
1118            reply->post();
1119            return;
1120        }
1121
1122        skipUntilMediaTimeUs = -1;
1123    }
1124
1125    mRenderer->queueBuffer(audio, buffer, reply);
1126}
1127
1128void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) {
1129    if (mDriver == NULL) {
1130        return;
1131    }
1132
1133    sp<NuPlayerDriver> driver = mDriver.promote();
1134
1135    if (driver == NULL) {
1136        return;
1137    }
1138
1139    driver->notifyListener(msg, ext1, ext2, in);
1140}
1141
1142void NuPlayer::flushDecoder(bool audio, bool needShutdown) {
1143    ALOGV("[%s] flushDecoder needShutdown=%d",
1144          audio ? "audio" : "video", needShutdown);
1145
1146    if ((audio && mAudioDecoder == NULL) || (!audio && mVideoDecoder == NULL)) {
1147        ALOGI("flushDecoder %s without decoder present",
1148             audio ? "audio" : "video");
1149    }
1150
1151    // Make sure we don't continue to scan sources until we finish flushing.
1152    ++mScanSourcesGeneration;
1153    mScanSourcesPending = false;
1154
1155    (audio ? mAudioDecoder : mVideoDecoder)->signalFlush();
1156    mRenderer->flush(audio);
1157
1158    FlushStatus newStatus =
1159        needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
1160
1161    if (audio) {
1162        CHECK(mFlushingAudio == NONE
1163                || mFlushingAudio == AWAITING_DISCONTINUITY);
1164
1165        mFlushingAudio = newStatus;
1166
1167        if (mFlushingVideo == NONE) {
1168            mFlushingVideo = (mVideoDecoder != NULL)
1169                ? AWAITING_DISCONTINUITY
1170                : FLUSHED;
1171        }
1172    } else {
1173        CHECK(mFlushingVideo == NONE
1174                || mFlushingVideo == AWAITING_DISCONTINUITY);
1175
1176        mFlushingVideo = newStatus;
1177
1178        if (mFlushingAudio == NONE) {
1179            mFlushingAudio = (mAudioDecoder != NULL)
1180                ? AWAITING_DISCONTINUITY
1181                : FLUSHED;
1182        }
1183    }
1184}
1185
1186sp<AMessage> NuPlayer::Source::getFormat(bool audio) {
1187    sp<MetaData> meta = getFormatMeta(audio);
1188
1189    if (meta == NULL) {
1190        return NULL;
1191    }
1192
1193    sp<AMessage> msg = new AMessage;
1194
1195    if(convertMetaDataToMessage(meta, &msg) == OK) {
1196        return msg;
1197    }
1198    return NULL;
1199}
1200
1201status_t NuPlayer::setVideoScalingMode(int32_t mode) {
1202    mVideoScalingMode = mode;
1203    if (mNativeWindow != NULL) {
1204        status_t ret = native_window_set_scaling_mode(
1205                mNativeWindow->getNativeWindow().get(), mVideoScalingMode);
1206        if (ret != OK) {
1207            ALOGE("Failed to set scaling mode (%d): %s",
1208                -ret, strerror(-ret));
1209            return ret;
1210        }
1211    }
1212    return OK;
1213}
1214
1215status_t NuPlayer::getTrackInfo(Parcel* reply) const {
1216    sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id());
1217    msg->setPointer("reply", reply);
1218
1219    sp<AMessage> response;
1220    status_t err = msg->postAndAwaitResponse(&response);
1221    return err;
1222}
1223
1224status_t NuPlayer::selectTrack(size_t trackIndex, bool select) {
1225    sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
1226    msg->setSize("trackIndex", trackIndex);
1227    msg->setInt32("select", select);
1228
1229    sp<AMessage> response;
1230    status_t err = msg->postAndAwaitResponse(&response);
1231
1232    if (err != OK) {
1233        return err;
1234    }
1235
1236    if (!response->findInt32("err", &err)) {
1237        err = OK;
1238    }
1239
1240    return err;
1241}
1242
1243void NuPlayer::schedulePollDuration() {
1244    sp<AMessage> msg = new AMessage(kWhatPollDuration, id());
1245    msg->setInt32("generation", mPollDurationGeneration);
1246    msg->post();
1247}
1248
1249void NuPlayer::cancelPollDuration() {
1250    ++mPollDurationGeneration;
1251}
1252
1253void NuPlayer::processDeferredActions() {
1254    while (!mDeferredActions.empty()) {
1255        // We won't execute any deferred actions until we're no longer in
1256        // an intermediate state, i.e. one more more decoders are currently
1257        // flushing or shutting down.
1258
1259        if (mRenderer != NULL) {
1260            // There's an edge case where the renderer owns all output
1261            // buffers and is paused, therefore the decoder will not read
1262            // more input data and will never encounter the matching
1263            // discontinuity. To avoid this, we resume the renderer.
1264
1265            if (mFlushingAudio == AWAITING_DISCONTINUITY
1266                    || mFlushingVideo == AWAITING_DISCONTINUITY) {
1267                mRenderer->resume();
1268            }
1269        }
1270
1271        if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
1272            // We're currently flushing, postpone the reset until that's
1273            // completed.
1274
1275            ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d",
1276                  mFlushingAudio, mFlushingVideo);
1277
1278            break;
1279        }
1280
1281        sp<Action> action = *mDeferredActions.begin();
1282        mDeferredActions.erase(mDeferredActions.begin());
1283
1284        action->execute(this);
1285    }
1286}
1287
1288void NuPlayer::performSeek(int64_t seekTimeUs) {
1289    ALOGV("performSeek seekTimeUs=%lld us (%.2f secs)",
1290          seekTimeUs,
1291          seekTimeUs / 1E6);
1292
1293    mSource->seekTo(seekTimeUs);
1294
1295    if (mDriver != NULL) {
1296        sp<NuPlayerDriver> driver = mDriver.promote();
1297        if (driver != NULL) {
1298            driver->notifyPosition(seekTimeUs);
1299            driver->notifySeekComplete();
1300        }
1301    }
1302
1303    // everything's flushed, continue playback.
1304}
1305
1306void NuPlayer::performDecoderFlush() {
1307    ALOGV("performDecoderFlush");
1308
1309    if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
1310        return;
1311    }
1312
1313    mTimeDiscontinuityPending = true;
1314
1315    if (mAudioDecoder != NULL) {
1316        flushDecoder(true /* audio */, false /* needShutdown */);
1317    }
1318
1319    if (mVideoDecoder != NULL) {
1320        flushDecoder(false /* audio */, false /* needShutdown */);
1321    }
1322}
1323
1324void NuPlayer::performDecoderShutdown(bool audio, bool video) {
1325    ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video);
1326
1327    if ((!audio || mAudioDecoder == NULL)
1328            && (!video || mVideoDecoder == NULL)) {
1329        return;
1330    }
1331
1332    mTimeDiscontinuityPending = true;
1333
1334    if (mFlushingAudio == NONE && (!audio || mAudioDecoder == NULL)) {
1335        mFlushingAudio = FLUSHED;
1336    }
1337
1338    if (mFlushingVideo == NONE && (!video || mVideoDecoder == NULL)) {
1339        mFlushingVideo = FLUSHED;
1340    }
1341
1342    if (audio && mAudioDecoder != NULL) {
1343        flushDecoder(true /* audio */, true /* needShutdown */);
1344    }
1345
1346    if (video && mVideoDecoder != NULL) {
1347        flushDecoder(false /* audio */, true /* needShutdown */);
1348    }
1349}
1350
1351void NuPlayer::performReset() {
1352    ALOGV("performReset");
1353
1354    CHECK(mAudioDecoder == NULL);
1355    CHECK(mVideoDecoder == NULL);
1356
1357    cancelPollDuration();
1358
1359    ++mScanSourcesGeneration;
1360    mScanSourcesPending = false;
1361
1362    mRenderer.clear();
1363
1364    if (mSource != NULL) {
1365        mSource->stop();
1366
1367        looper()->unregisterHandler(mSource->id());
1368
1369        mSource.clear();
1370    }
1371
1372    if (mDriver != NULL) {
1373        sp<NuPlayerDriver> driver = mDriver.promote();
1374        if (driver != NULL) {
1375            driver->notifyResetComplete();
1376        }
1377    }
1378
1379    mStarted = false;
1380}
1381
1382void NuPlayer::performScanSources() {
1383    ALOGV("performScanSources");
1384
1385    if (!mStarted) {
1386        return;
1387    }
1388
1389    if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
1390        postScanSources();
1391    }
1392}
1393
1394void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) {
1395    ALOGV("performSetSurface");
1396
1397    mNativeWindow = wrapper;
1398
1399    // XXX - ignore error from setVideoScalingMode for now
1400    setVideoScalingMode(mVideoScalingMode);
1401
1402    if (mDriver != NULL) {
1403        sp<NuPlayerDriver> driver = mDriver.promote();
1404        if (driver != NULL) {
1405            driver->notifySetSurfaceComplete();
1406        }
1407    }
1408}
1409
1410void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
1411    int32_t what;
1412    CHECK(msg->findInt32("what", &what));
1413
1414    switch (what) {
1415        case Source::kWhatPrepared:
1416        {
1417            if (mSource == NULL) {
1418                // This is a stale notification from a source that was
1419                // asynchronously preparing when the client called reset().
1420                // We handled the reset, the source is gone.
1421                break;
1422            }
1423
1424            int32_t err;
1425            CHECK(msg->findInt32("err", &err));
1426
1427            sp<NuPlayerDriver> driver = mDriver.promote();
1428            if (driver != NULL) {
1429                // notify duration first, so that it's definitely set when
1430                // the app received the "prepare complete" callback.
1431                int64_t durationUs;
1432                if (mSource->getDuration(&durationUs) == OK) {
1433                    driver->notifyDuration(durationUs);
1434                }
1435                driver->notifyPrepareCompleted(err);
1436            }
1437
1438            break;
1439        }
1440
1441        case Source::kWhatFlagsChanged:
1442        {
1443            uint32_t flags;
1444            CHECK(msg->findInt32("flags", (int32_t *)&flags));
1445
1446            sp<NuPlayerDriver> driver = mDriver.promote();
1447            if (driver != NULL) {
1448                driver->notifyFlagsChanged(flags);
1449            }
1450
1451            if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1452                    && (!(flags & Source::FLAG_DYNAMIC_DURATION))) {
1453                cancelPollDuration();
1454            } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1455                    && (flags & Source::FLAG_DYNAMIC_DURATION)
1456                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
1457                schedulePollDuration();
1458            }
1459
1460            mSourceFlags = flags;
1461            break;
1462        }
1463
1464        case Source::kWhatVideoSizeChanged:
1465        {
1466            int32_t width, height;
1467            CHECK(msg->findInt32("width", &width));
1468            CHECK(msg->findInt32("height", &height));
1469
1470            notifyListener(MEDIA_SET_VIDEO_SIZE, width, height);
1471            break;
1472        }
1473
1474        case Source::kWhatBufferingStart:
1475        {
1476            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0);
1477            break;
1478        }
1479
1480        case Source::kWhatBufferingEnd:
1481        {
1482            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0);
1483            break;
1484        }
1485
1486        case Source::kWhatSubtitleData:
1487        {
1488            sp<ABuffer> buffer;
1489            CHECK(msg->findBuffer("buffer", &buffer));
1490
1491            sendSubtitleData(buffer, 0 /* baseIndex */);
1492            break;
1493        }
1494
1495        case Source::kWhatQueueDecoderShutdown:
1496        {
1497            int32_t audio, video;
1498            CHECK(msg->findInt32("audio", &audio));
1499            CHECK(msg->findInt32("video", &video));
1500
1501            sp<AMessage> reply;
1502            CHECK(msg->findMessage("reply", &reply));
1503
1504            queueDecoderShutdown(audio, video, reply);
1505            break;
1506        }
1507
1508        default:
1509            TRESPASS();
1510    }
1511}
1512
1513void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) {
1514    int32_t trackIndex;
1515    int64_t timeUs, durationUs;
1516    CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex));
1517    CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1518    CHECK(buffer->meta()->findInt64("durationUs", &durationUs));
1519
1520    Parcel in;
1521    in.writeInt32(trackIndex + baseIndex);
1522    in.writeInt64(timeUs);
1523    in.writeInt64(durationUs);
1524    in.writeInt32(buffer->size());
1525    in.writeInt32(buffer->size());
1526    in.write(buffer->data(), buffer->size());
1527
1528    notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
1529}
1530////////////////////////////////////////////////////////////////////////////////
1531
1532void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) {
1533    sp<AMessage> notify = dupNotify();
1534    notify->setInt32("what", kWhatFlagsChanged);
1535    notify->setInt32("flags", flags);
1536    notify->post();
1537}
1538
1539void NuPlayer::Source::notifyVideoSizeChanged(int32_t width, int32_t height) {
1540    sp<AMessage> notify = dupNotify();
1541    notify->setInt32("what", kWhatVideoSizeChanged);
1542    notify->setInt32("width", width);
1543    notify->setInt32("height", height);
1544    notify->post();
1545}
1546
1547void NuPlayer::Source::notifyPrepared(status_t err) {
1548    sp<AMessage> notify = dupNotify();
1549    notify->setInt32("what", kWhatPrepared);
1550    notify->setInt32("err", err);
1551    notify->post();
1552}
1553
1554void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) {
1555    TRESPASS();
1556}
1557
1558void NuPlayer::queueDecoderShutdown(
1559        bool audio, bool video, const sp<AMessage> &reply) {
1560    ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
1561
1562    mDeferredActions.push_back(
1563            new ShutdownDecoderAction(audio, video));
1564
1565    mDeferredActions.push_back(
1566            new SimpleAction(&NuPlayer::performScanSources));
1567
1568    mDeferredActions.push_back(new PostMessageAction(reply));
1569
1570    processDeferredActions();
1571}
1572
1573}  // namespace android
1574