NuPlayer.cpp revision dbdaa08cbed61b9ba4afc43f0ce0230346a1ca2f 
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
53struct NuPlayer::Action : public RefBase {
54    Action() {}
55
56    virtual void execute(NuPlayer *player) = 0;
57
58private:
59    DISALLOW_EVIL_CONSTRUCTORS(Action);
60};
61
62struct NuPlayer::SeekAction : public Action {
63    SeekAction(int64_t seekTimeUs)
64        : mSeekTimeUs(seekTimeUs) {
65    }
66
67    virtual void execute(NuPlayer *player) {
68        player->performSeek(mSeekTimeUs);
69    }
70
71private:
72    int64_t mSeekTimeUs;
73
74    DISALLOW_EVIL_CONSTRUCTORS(SeekAction);
75};
76
77struct NuPlayer::SetSurfaceAction : public Action {
78    SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper)
79        : mWrapper(wrapper) {
80    }
81
82    virtual void execute(NuPlayer *player) {
83        player->performSetSurface(mWrapper);
84    }
85
86private:
87    sp<NativeWindowWrapper> mWrapper;
88
89    DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction);
90};
91
92struct NuPlayer::ShutdownDecoderAction : public Action {
93    ShutdownDecoderAction(bool audio, bool video)
94        : mAudio(audio),
95          mVideo(video) {
96    }
97
98    virtual void execute(NuPlayer *player) {
99        player->performDecoderShutdown(mAudio, mVideo);
100    }
101
102private:
103    bool mAudio;
104    bool mVideo;
105
106    DISALLOW_EVIL_CONSTRUCTORS(ShutdownDecoderAction);
107};
108
109struct NuPlayer::PostMessageAction : public Action {
110    PostMessageAction(const sp<AMessage> &msg)
111        : mMessage(msg) {
112    }
113
114    virtual void execute(NuPlayer *) {
115        mMessage->post();
116    }
117
118private:
119    sp<AMessage> mMessage;
120
121    DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction);
122};
123
124// Use this if there's no state necessary to save in order to execute
125// the action.
126struct NuPlayer::SimpleAction : public Action {
127    typedef void (NuPlayer::*ActionFunc)();
128
129    SimpleAction(ActionFunc func)
130        : mFunc(func) {
131    }
132
133    virtual void execute(NuPlayer *player) {
134        (player->*mFunc)();
135    }
136
137private:
138    ActionFunc mFunc;
139
140    DISALLOW_EVIL_CONSTRUCTORS(SimpleAction);
141};
142
143////////////////////////////////////////////////////////////////////////////////
144
145NuPlayer::NuPlayer()
146    : mUIDValid(false),
147      mSourceFlags(0),
148      mVideoIsAVC(false),
149      mOffloadAudio(false),
150      mAudioEOS(false),
151      mVideoEOS(false),
152      mScanSourcesPending(false),
153      mScanSourcesGeneration(0),
154      mPollDurationGeneration(0),
155      mTimedTextGeneration(0),
156      mTimeDiscontinuityPending(false),
157      mFlushingAudio(NONE),
158      mFlushingVideo(NONE),
159      mSkipRenderingAudioUntilMediaTimeUs(-1ll),
160      mSkipRenderingVideoUntilMediaTimeUs(-1ll),
161      mVideoLateByUs(0ll),
162      mNumFramesTotal(0ll),
163      mNumFramesDropped(0ll),
164      mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW),
165      mStarted(false) {
166}
167
168NuPlayer::~NuPlayer() {
169}
170
171void NuPlayer::setUID(uid_t uid) {
172    mUIDValid = true;
173    mUID = uid;
174}
175
176void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) {
177    mDriver = driver;
178}
179
180void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) {
181    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
182
183    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
184
185    msg->setObject("source", new StreamingSource(notify, source));
186    msg->post();
187}
188
189static bool IsHTTPLiveURL(const char *url) {
190    if (!strncasecmp("http://", url, 7)
191            || !strncasecmp("https://", url, 8)
192            || !strncasecmp("file://", url, 7)) {
193        size_t len = strlen(url);
194        if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
195            return true;
196        }
197
198        if (strstr(url,"m3u8")) {
199            return true;
200        }
201    }
202
203    return false;
204}
205
206void NuPlayer::setDataSourceAsync(
207        const sp<IMediaHTTPService> &httpService,
208        const char *url,
209        const KeyedVector<String8, String8> *headers) {
210
211    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
212    size_t len = strlen(url);
213
214    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
215
216    sp<Source> source;
217    if (IsHTTPLiveURL(url)) {
218        source = new HTTPLiveSource(notify, httpService, url, headers);
219    } else if (!strncasecmp(url, "rtsp://", 7)) {
220        source = new RTSPSource(
221                notify, httpService, url, headers, mUIDValid, mUID);
222    } else if ((!strncasecmp(url, "http://", 7)
223                || !strncasecmp(url, "https://", 8))
224                    && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4]))
225                    || strstr(url, ".sdp?"))) {
226        source = new RTSPSource(
227                notify, httpService, url, headers, mUIDValid, mUID, true);
228    } else {
229        sp<GenericSource> genericSource =
230                new GenericSource(notify, mUIDValid, mUID);
231        // Don't set FLAG_SECURE on mSourceFlags here for widevine.
232        // The correct flags will be updated in Source::kWhatFlagsChanged
233        // handler when  GenericSource is prepared.
234
235        status_t err = genericSource->setDataSource(httpService, url, headers);
236
237        if (err == OK) {
238            source = genericSource;
239        } else {
240            ALOGE("Failed to set data source!");
241        }
242    }
243    msg->setObject("source", source);
244    msg->post();
245}
246
247void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) {
248    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
249
250    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
251
252    sp<GenericSource> source =
253            new GenericSource(notify, mUIDValid, mUID);
254
255    status_t err = source->setDataSource(fd, offset, length);
256
257    if (err != OK) {
258        ALOGE("Failed to set data source!");
259        source = NULL;
260    }
261
262    msg->setObject("source", source);
263    msg->post();
264}
265
266void NuPlayer::prepareAsync() {
267    (new AMessage(kWhatPrepare, id()))->post();
268}
269
270void NuPlayer::setVideoSurfaceTextureAsync(
271        const sp<IGraphicBufferProducer> &bufferProducer) {
272    sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id());
273
274    if (bufferProducer == NULL) {
275        msg->setObject("native-window", NULL);
276    } else {
277        msg->setObject(
278                "native-window",
279                new NativeWindowWrapper(
280                    new Surface(bufferProducer)));
281    }
282
283    msg->post();
284}
285
286void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) {
287    sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id());
288    msg->setObject("sink", sink);
289    msg->post();
290}
291
292void NuPlayer::start() {
293    (new AMessage(kWhatStart, id()))->post();
294}
295
296void NuPlayer::pause() {
297    (new AMessage(kWhatPause, id()))->post();
298}
299
300void NuPlayer::resume() {
301    (new AMessage(kWhatResume, id()))->post();
302}
303
304void NuPlayer::resetAsync() {
305    (new AMessage(kWhatReset, id()))->post();
306}
307
308void NuPlayer::seekToAsync(int64_t seekTimeUs) {
309    sp<AMessage> msg = new AMessage(kWhatSeek, id());
310    msg->setInt64("seekTimeUs", seekTimeUs);
311    msg->post();
312}
313
314// static
315bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) {
316    switch (state) {
317        case FLUSHING_DECODER:
318            if (needShutdown != NULL) {
319                *needShutdown = false;
320            }
321            return true;
322
323        case FLUSHING_DECODER_SHUTDOWN:
324            if (needShutdown != NULL) {
325                *needShutdown = true;
326            }
327            return true;
328
329        default:
330            return false;
331    }
332}
333
334void NuPlayer::writeTrackInfo(
335        Parcel* reply, const sp<AMessage> format) const {
336    int32_t trackType;
337    CHECK(format->findInt32("type", &trackType));
338
339    AString lang;
340    CHECK(format->findString("language", &lang));
341
342    reply->writeInt32(2); // write something non-zero
343    reply->writeInt32(trackType);
344    reply->writeString16(String16(lang.c_str()));
345
346    if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
347        AString mime;
348        CHECK(format->findString("mime", &mime));
349
350        int32_t isAuto, isDefault, isForced;
351        CHECK(format->findInt32("auto", &isAuto));
352        CHECK(format->findInt32("default", &isDefault));
353        CHECK(format->findInt32("forced", &isForced));
354
355        reply->writeString16(String16(mime.c_str()));
356        reply->writeInt32(isAuto);
357        reply->writeInt32(isDefault);
358        reply->writeInt32(isForced);
359    }
360}
361
362void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
363    switch (msg->what()) {
364        case kWhatSetDataSource:
365        {
366            ALOGV("kWhatSetDataSource");
367
368            CHECK(mSource == NULL);
369
370            status_t err = OK;
371            sp<RefBase> obj;
372            CHECK(msg->findObject("source", &obj));
373            if (obj != NULL) {
374                mSource = static_cast<Source *>(obj.get());
375                looper()->registerHandler(mSource);
376            } else {
377                err = UNKNOWN_ERROR;
378            }
379
380            CHECK(mDriver != NULL);
381            sp<NuPlayerDriver> driver = mDriver.promote();
382            if (driver != NULL) {
383                driver->notifySetDataSourceCompleted(err);
384            }
385            break;
386        }
387
388        case kWhatPrepare:
389        {
390            mSource->prepareAsync();
391            break;
392        }
393
394        case kWhatGetTrackInfo:
395        {
396            uint32_t replyID;
397            CHECK(msg->senderAwaitsResponse(&replyID));
398
399            Parcel* reply;
400            CHECK(msg->findPointer("reply", (void**)&reply));
401
402            size_t inbandTracks = 0;
403            if (mSource != NULL) {
404                inbandTracks = mSource->getTrackCount();
405            }
406
407            size_t ccTracks = 0;
408            if (mCCDecoder != NULL) {
409                ccTracks = mCCDecoder->getTrackCount();
410            }
411
412            // total track count
413            reply->writeInt32(inbandTracks + ccTracks);
414
415            // write inband tracks
416            for (size_t i = 0; i < inbandTracks; ++i) {
417                writeTrackInfo(reply, mSource->getTrackInfo(i));
418            }
419
420            // write CC track
421            for (size_t i = 0; i < ccTracks; ++i) {
422                writeTrackInfo(reply, mCCDecoder->getTrackInfo(i));
423            }
424
425            sp<AMessage> response = new AMessage;
426            response->postReply(replyID);
427            break;
428        }
429
430        case kWhatGetSelectedTrack:
431        {
432            status_t err = INVALID_OPERATION;
433            if (mSource != NULL) {
434                err = OK;
435
436                int32_t type32;
437                CHECK(msg->findInt32("type", (int32_t*)&type32));
438                media_track_type type = (media_track_type)type32;
439                ssize_t selectedTrack = mSource->getSelectedTrack(type);
440
441                Parcel* reply;
442                CHECK(msg->findPointer("reply", (void**)&reply));
443                reply->writeInt32(selectedTrack);
444            }
445
446            sp<AMessage> response = new AMessage;
447            response->setInt32("err", err);
448
449            uint32_t replyID;
450            CHECK(msg->senderAwaitsResponse(&replyID));
451            response->postReply(replyID);
452            break;
453        }
454
455        case kWhatSelectTrack:
456        {
457            uint32_t replyID;
458            CHECK(msg->senderAwaitsResponse(&replyID));
459
460            size_t trackIndex;
461            int32_t select;
462            CHECK(msg->findSize("trackIndex", &trackIndex));
463            CHECK(msg->findInt32("select", &select));
464
465            status_t err = INVALID_OPERATION;
466
467            size_t inbandTracks = 0;
468            if (mSource != NULL) {
469                inbandTracks = mSource->getTrackCount();
470            }
471            size_t ccTracks = 0;
472            if (mCCDecoder != NULL) {
473                ccTracks = mCCDecoder->getTrackCount();
474            }
475
476            if (trackIndex < inbandTracks) {
477                err = mSource->selectTrack(trackIndex, select);
478
479                if (!select && err == OK) {
480                    int32_t type;
481                    sp<AMessage> info = mSource->getTrackInfo(trackIndex);
482                    if (info != NULL
483                            && info->findInt32("type", &type)
484                            && type == MEDIA_TRACK_TYPE_TIMEDTEXT) {
485                        ++mTimedTextGeneration;
486                    }
487                }
488            } else {
489                trackIndex -= inbandTracks;
490
491                if (trackIndex < ccTracks) {
492                    err = mCCDecoder->selectTrack(trackIndex, select);
493                }
494            }
495
496            sp<AMessage> response = new AMessage;
497            response->setInt32("err", err);
498
499            response->postReply(replyID);
500            break;
501        }
502
503        case kWhatPollDuration:
504        {
505            int32_t generation;
506            CHECK(msg->findInt32("generation", &generation));
507
508            if (generation != mPollDurationGeneration) {
509                // stale
510                break;
511            }
512
513            int64_t durationUs;
514            if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) {
515                sp<NuPlayerDriver> driver = mDriver.promote();
516                if (driver != NULL) {
517                    driver->notifyDuration(durationUs);
518                }
519            }
520
521            msg->post(1000000ll);  // poll again in a second.
522            break;
523        }
524
525        case kWhatSetVideoNativeWindow:
526        {
527            ALOGV("kWhatSetVideoNativeWindow");
528
529            mDeferredActions.push_back(
530                    new ShutdownDecoderAction(
531                        false /* audio */, true /* video */));
532
533            sp<RefBase> obj;
534            CHECK(msg->findObject("native-window", &obj));
535
536            mDeferredActions.push_back(
537                    new SetSurfaceAction(
538                        static_cast<NativeWindowWrapper *>(obj.get())));
539
540            if (obj != NULL) {
541                // If there is a new surface texture, instantiate decoders
542                // again if possible.
543                mDeferredActions.push_back(
544                        new SimpleAction(&NuPlayer::performScanSources));
545            }
546
547            processDeferredActions();
548            break;
549        }
550
551        case kWhatSetAudioSink:
552        {
553            ALOGV("kWhatSetAudioSink");
554
555            sp<RefBase> obj;
556            CHECK(msg->findObject("sink", &obj));
557
558            mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get());
559            break;
560        }
561
562        case kWhatStart:
563        {
564            ALOGV("kWhatStart");
565
566            mVideoIsAVC = false;
567            mOffloadAudio = false;
568            mAudioEOS = false;
569            mVideoEOS = false;
570            mSkipRenderingAudioUntilMediaTimeUs = -1;
571            mSkipRenderingVideoUntilMediaTimeUs = -1;
572            mVideoLateByUs = 0;
573            mNumFramesTotal = 0;
574            mNumFramesDropped = 0;
575            mStarted = true;
576
577            /* instantiate decoders now for secure playback */
578            if (mSourceFlags & Source::FLAG_SECURE) {
579                if (mNativeWindow != NULL) {
580                    instantiateDecoder(false, &mVideoDecoder);
581                }
582
583                if (mAudioSink != NULL) {
584                    instantiateDecoder(true, &mAudioDecoder);
585                }
586            }
587
588            mSource->start();
589
590            uint32_t flags = 0;
591
592            if (mSource->isRealTime()) {
593                flags |= Renderer::FLAG_REAL_TIME;
594            }
595
596            sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
597            audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
598            if (mAudioSink != NULL) {
599                streamType = mAudioSink->getAudioStreamType();
600            }
601
602            sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
603
604            mOffloadAudio =
605                canOffloadStream(audioMeta, (videoFormat != NULL),
606                                 true /* is_streaming */, streamType);
607            if (mOffloadAudio) {
608                flags |= Renderer::FLAG_OFFLOAD_AUDIO;
609            }
610
611            mRenderer = new Renderer(
612                    mAudioSink,
613                    new AMessage(kWhatRendererNotify, id()),
614                    flags);
615
616            mRendererLooper = new ALooper;
617            mRendererLooper->setName("NuPlayerRenderer");
618            mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
619            mRendererLooper->registerHandler(mRenderer);
620
621            postScanSources();
622            break;
623        }
624
625        case kWhatScanSources:
626        {
627            int32_t generation;
628            CHECK(msg->findInt32("generation", &generation));
629            if (generation != mScanSourcesGeneration) {
630                // Drop obsolete msg.
631                break;
632            }
633
634            mScanSourcesPending = false;
635
636            ALOGV("scanning sources haveAudio=%d, haveVideo=%d",
637                 mAudioDecoder != NULL, mVideoDecoder != NULL);
638
639            bool mHadAnySourcesBefore =
640                (mAudioDecoder != NULL) || (mVideoDecoder != NULL);
641
642            if (mNativeWindow != NULL) {
643                instantiateDecoder(false, &mVideoDecoder);
644            }
645
646            if (mAudioSink != NULL) {
647                instantiateDecoder(true, &mAudioDecoder);
648            }
649
650            if (!mHadAnySourcesBefore
651                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
652                // This is the first time we've found anything playable.
653
654                if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) {
655                    schedulePollDuration();
656                }
657            }
658
659            status_t err;
660            if ((err = mSource->feedMoreTSData()) != OK) {
661                if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
662                    // We're not currently decoding anything (no audio or
663                    // video tracks found) and we just ran out of input data.
664
665                    if (err == ERROR_END_OF_STREAM) {
666                        notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
667                    } else {
668                        notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
669                    }
670                }
671                break;
672            }
673
674            if ((mAudioDecoder == NULL && mAudioSink != NULL)
675                    || (mVideoDecoder == NULL && mNativeWindow != NULL)) {
676                msg->post(100000ll);
677                mScanSourcesPending = true;
678            }
679            break;
680        }
681
682        case kWhatVideoNotify:
683        case kWhatAudioNotify:
684        {
685            bool audio = msg->what() == kWhatAudioNotify;
686
687            int32_t what;
688            CHECK(msg->findInt32("what", &what));
689
690            if (what == Decoder::kWhatFillThisBuffer) {
691                status_t err = feedDecoderInputData(
692                        audio, msg);
693
694                if (err == -EWOULDBLOCK) {
695                    if (mSource->feedMoreTSData() == OK) {
696                        msg->post(10000ll);
697                    }
698                }
699            } else if (what == Decoder::kWhatEOS) {
700                int32_t err;
701                CHECK(msg->findInt32("err", &err));
702
703                if (err == ERROR_END_OF_STREAM) {
704                    ALOGV("got %s decoder EOS", audio ? "audio" : "video");
705                } else {
706                    ALOGV("got %s decoder EOS w/ error %d",
707                         audio ? "audio" : "video",
708                         err);
709                }
710
711                mRenderer->queueEOS(audio, err);
712            } else if (what == Decoder::kWhatFlushCompleted) {
713                bool needShutdown;
714
715                if (audio) {
716                    CHECK(IsFlushingState(mFlushingAudio, &needShutdown));
717                    mFlushingAudio = FLUSHED;
718                } else {
719                    CHECK(IsFlushingState(mFlushingVideo, &needShutdown));
720                    mFlushingVideo = FLUSHED;
721
722                    mVideoLateByUs = 0;
723                }
724
725                ALOGV("decoder %s flush completed", audio ? "audio" : "video");
726
727                if (needShutdown) {
728                    ALOGV("initiating %s decoder shutdown",
729                         audio ? "audio" : "video");
730
731                    (audio ? mAudioDecoder : mVideoDecoder)->initiateShutdown();
732
733                    if (audio) {
734                        mFlushingAudio = SHUTTING_DOWN_DECODER;
735                    } else {
736                        mFlushingVideo = SHUTTING_DOWN_DECODER;
737                    }
738                }
739
740                finishFlushIfPossible();
741            } else if (what == Decoder::kWhatOutputFormatChanged) {
742                sp<AMessage> format;
743                CHECK(msg->findMessage("format", &format));
744
745                if (audio) {
746                    int32_t numChannels;
747                    CHECK(format->findInt32(
748                                "channel-count", &numChannels));
749
750                    int32_t sampleRate;
751                    CHECK(format->findInt32("sample-rate", &sampleRate));
752
753                    ALOGV("Audio output format changed to %d Hz, %d channels",
754                         sampleRate, numChannels);
755
756                    mAudioSink->close();
757
758                    uint32_t flags;
759                    int64_t durationUs;
760                    // FIXME: we should handle the case where the video decoder
761                    // is created after we receive the format change indication.
762                    // Current code will just make that we select deep buffer
763                    // with video which should not be a problem as it should
764                    // not prevent from keeping A/V sync.
765                    if (mVideoDecoder == NULL &&
766                            mSource->getDuration(&durationUs) == OK &&
767                            durationUs
768                                > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
769                        flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
770                    } else {
771                        flags = AUDIO_OUTPUT_FLAG_NONE;
772                    }
773
774                    int32_t channelMask;
775                    if (!format->findInt32("channel-mask", &channelMask)) {
776                        channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
777                    }
778
779                    if (mOffloadAudio) {
780                        audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT;
781                        audio_offload_info_t offloadInfo =
782                                AUDIO_INFO_INITIALIZER;
783
784                        AString mime;
785                        CHECK(format->findString("mime", &mime));
786
787                        status_t err =
788                            mapMimeToAudioFormat(audioFormat, mime.c_str());
789                        if (err != OK) {
790                            ALOGE("Couldn't map mime \"%s\" to a valid "
791                                    "audio_format", mime.c_str());
792                            mOffloadAudio = false;
793                        } else {
794                            ALOGV("Mime \"%s\" mapped to audio_format 0x%x",
795                                    mime.c_str(), audioFormat);
796
797                            int32_t aacProfile = -1;
798                            if (audioFormat == AUDIO_FORMAT_AAC
799                                    && format->findInt32("aac-profile", &aacProfile)) {
800                                // Redefine AAC format as per aac profile
801                                mapAACProfileToAudioFormat(
802                                        audioFormat,
803                                        aacProfile);
804                            }
805
806                            flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
807
808                            offloadInfo.duration_us = -1;
809                            format->findInt64(
810                                    "durationUs", &offloadInfo.duration_us);
811
812                            int avgBitRate = -1;
813                            format->findInt32("bit-rate", &avgBitRate);
814
815                            offloadInfo.sample_rate = sampleRate;
816                            offloadInfo.channel_mask = channelMask;
817                            offloadInfo.format = audioFormat;
818                            offloadInfo.stream_type = AUDIO_STREAM_MUSIC;
819                            offloadInfo.bit_rate = avgBitRate;
820                            offloadInfo.has_video = (mVideoDecoder != NULL);
821                            offloadInfo.is_streaming = true;
822
823                            ALOGV("try to open AudioSink in offload mode");
824                            err = mAudioSink->open(
825                                    sampleRate,
826                                    numChannels,
827                                    (audio_channel_mask_t)channelMask,
828                                    audioFormat,
829                                    8 /* bufferCount */,
830                                    &NuPlayer::Renderer::AudioSinkCallback,
831                                    mRenderer.get(),
832                                    (audio_output_flags_t)flags,
833                                    &offloadInfo);
834
835                            if (err == OK) {
836                                // If the playback is offloaded to h/w, we pass
837                                // the HAL some metadata information.
838                                // We don't want to do this for PCM because it
839                                // will be going through the AudioFlinger mixer
840                                // before reaching the hardware.
841                                sp<MetaData> audioMeta =
842                                    mSource->getFormatMeta(true /* audio */);
843                                sendMetaDataToHal(mAudioSink, audioMeta);
844
845                                err = mAudioSink->start();
846                            }
847                        }
848
849                        if (err != OK) {
850                            // Clean up, fall back to non offload mode.
851                            mAudioSink->close();
852                            mAudioDecoder.clear();
853                            mRenderer->signalDisableOffloadAudio();
854                            mOffloadAudio = false;
855
856                            instantiateDecoder(
857                                    true /* audio */, &mAudioDecoder);
858                        }
859                    }
860
861                    if (!mOffloadAudio) {
862                        flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
863                        ALOGV("open AudioSink in NON-offload mode");
864                        CHECK_EQ(mAudioSink->open(
865                                    sampleRate,
866                                    numChannels,
867                                    (audio_channel_mask_t)channelMask,
868                                    AUDIO_FORMAT_PCM_16_BIT,
869                                    8 /* bufferCount */,
870                                    NULL,
871                                    NULL,
872                                    (audio_output_flags_t)flags),
873                                 (status_t)OK);
874                        mAudioSink->start();
875                    }
876
877                    mRenderer->signalAudioSinkChanged();
878                } else {
879                    // video
880                    sp<AMessage> inputFormat =
881                            mSource->getFormat(false /* audio */);
882
883                    updateVideoSize(inputFormat, format);
884                }
885            } else if (what == Decoder::kWhatShutdownCompleted) {
886                ALOGV("%s shutdown completed", audio ? "audio" : "video");
887                if (audio) {
888                    mAudioDecoder.clear();
889
890                    CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER);
891                    mFlushingAudio = SHUT_DOWN;
892                } else {
893                    mVideoDecoder.clear();
894
895                    CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER);
896                    mFlushingVideo = SHUT_DOWN;
897                }
898
899                finishFlushIfPossible();
900            } else if (what == Decoder::kWhatError) {
901                ALOGE("Received error from %s decoder, aborting playback.",
902                     audio ? "audio" : "video");
903
904                status_t err;
905                if (!msg->findInt32("err", &err)) {
906                    err = UNKNOWN_ERROR;
907                }
908                mRenderer->queueEOS(audio, err);
909            } else if (what == Decoder::kWhatDrainThisBuffer) {
910                renderBuffer(audio, msg);
911            } else {
912                ALOGV("Unhandled decoder notification %d '%c%c%c%c'.",
913                      what,
914                      what >> 24,
915                      (what >> 16) & 0xff,
916                      (what >> 8) & 0xff,
917                      what & 0xff);
918            }
919
920            break;
921        }
922
923        case kWhatRendererNotify:
924        {
925            int32_t what;
926            CHECK(msg->findInt32("what", &what));
927
928            if (what == Renderer::kWhatEOS) {
929                int32_t audio;
930                CHECK(msg->findInt32("audio", &audio));
931
932                int32_t finalResult;
933                CHECK(msg->findInt32("finalResult", &finalResult));
934
935                if (audio) {
936                    mAudioEOS = true;
937                } else {
938                    mVideoEOS = true;
939                }
940
941                if (finalResult == ERROR_END_OF_STREAM) {
942                    ALOGV("reached %s EOS", audio ? "audio" : "video");
943                } else {
944                    ALOGE("%s track encountered an error (%d)",
945                         audio ? "audio" : "video", finalResult);
946
947                    notifyListener(
948                            MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult);
949                }
950
951                if ((mAudioEOS || mAudioDecoder == NULL)
952                        && (mVideoEOS || mVideoDecoder == NULL)) {
953                    notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
954                }
955            } else if (what == Renderer::kWhatPosition) {
956                int64_t positionUs;
957                CHECK(msg->findInt64("positionUs", &positionUs));
958
959                CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs));
960
961                if (mDriver != NULL) {
962                    sp<NuPlayerDriver> driver = mDriver.promote();
963                    if (driver != NULL) {
964                        driver->notifyPosition(positionUs);
965
966                        driver->notifyFrameStats(
967                                mNumFramesTotal, mNumFramesDropped);
968                    }
969                }
970            } else if (what == Renderer::kWhatFlushComplete) {
971                int32_t audio;
972                CHECK(msg->findInt32("audio", &audio));
973
974                ALOGV("renderer %s flush completed.", audio ? "audio" : "video");
975            } else if (what == Renderer::kWhatVideoRenderingStart) {
976                notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0);
977            } else if (what == Renderer::kWhatMediaRenderingStart) {
978                ALOGV("media rendering started");
979                notifyListener(MEDIA_STARTED, 0, 0);
980            } else if (what == Renderer::kWhatAudioOffloadTearDown) {
981                ALOGV("Tear down audio offload, fall back to s/w path");
982                int64_t positionUs;
983                CHECK(msg->findInt64("positionUs", &positionUs));
984                mAudioSink->close();
985                mAudioDecoder.clear();
986                mRenderer->flush(true /* audio */);
987                if (mVideoDecoder != NULL) {
988                    mRenderer->flush(false /* audio */);
989                }
990                mRenderer->signalDisableOffloadAudio();
991                mOffloadAudio = false;
992
993                performSeek(positionUs);
994                instantiateDecoder(true /* audio */, &mAudioDecoder);
995            }
996            break;
997        }
998
999        case kWhatMoreDataQueued:
1000        {
1001            break;
1002        }
1003
1004        case kWhatReset:
1005        {
1006            ALOGV("kWhatReset");
1007
1008            mDeferredActions.push_back(
1009                    new ShutdownDecoderAction(
1010                        true /* audio */, true /* video */));
1011
1012            mDeferredActions.push_back(
1013                    new SimpleAction(&NuPlayer::performReset));
1014
1015            processDeferredActions();
1016            break;
1017        }
1018
1019        case kWhatSeek:
1020        {
1021            int64_t seekTimeUs;
1022            CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
1023
1024            ALOGV("kWhatSeek seekTimeUs=%lld us", seekTimeUs);
1025
1026            mDeferredActions.push_back(
1027                    new SimpleAction(&NuPlayer::performDecoderFlush));
1028
1029            mDeferredActions.push_back(new SeekAction(seekTimeUs));
1030
1031            processDeferredActions();
1032            break;
1033        }
1034
1035        case kWhatPause:
1036        {
1037            CHECK(mRenderer != NULL);
1038            mSource->pause();
1039            mRenderer->pause();
1040            break;
1041        }
1042
1043        case kWhatResume:
1044        {
1045            CHECK(mRenderer != NULL);
1046            mSource->resume();
1047            mRenderer->resume();
1048            break;
1049        }
1050
1051        case kWhatSourceNotify:
1052        {
1053            onSourceNotify(msg);
1054            break;
1055        }
1056
1057        case kWhatClosedCaptionNotify:
1058        {
1059            onClosedCaptionNotify(msg);
1060            break;
1061        }
1062
1063        default:
1064            TRESPASS();
1065            break;
1066    }
1067}
1068
1069void NuPlayer::finishFlushIfPossible() {
1070    if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) {
1071        return;
1072    }
1073
1074    if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) {
1075        return;
1076    }
1077
1078    ALOGV("both audio and video are flushed now.");
1079
1080    if (mTimeDiscontinuityPending) {
1081        mRenderer->signalTimeDiscontinuity();
1082        mTimeDiscontinuityPending = false;
1083    }
1084
1085    if (mAudioDecoder != NULL) {
1086        mAudioDecoder->signalResume();
1087    }
1088
1089    if (mVideoDecoder != NULL) {
1090        mVideoDecoder->signalResume();
1091    }
1092
1093    mFlushingAudio = NONE;
1094    mFlushingVideo = NONE;
1095
1096    processDeferredActions();
1097}
1098
1099void NuPlayer::postScanSources() {
1100    if (mScanSourcesPending) {
1101        return;
1102    }
1103
1104    sp<AMessage> msg = new AMessage(kWhatScanSources, id());
1105    msg->setInt32("generation", mScanSourcesGeneration);
1106    msg->post();
1107
1108    mScanSourcesPending = true;
1109}
1110
1111status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
1112    if (*decoder != NULL) {
1113        return OK;
1114    }
1115
1116    sp<AMessage> format = mSource->getFormat(audio);
1117
1118    if (format == NULL) {
1119        return -EWOULDBLOCK;
1120    }
1121
1122    if (!audio) {
1123        AString mime;
1124        CHECK(format->findString("mime", &mime));
1125        mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str());
1126
1127        sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id());
1128        mCCDecoder = new CCDecoder(ccNotify);
1129
1130        if (mSourceFlags & Source::FLAG_SECURE) {
1131            format->setInt32("secure", true);
1132        }
1133    }
1134
1135    sp<AMessage> notify =
1136        new AMessage(audio ? kWhatAudioNotify : kWhatVideoNotify,
1137                     id());
1138
1139    if (audio) {
1140        if (mOffloadAudio) {
1141            *decoder = new DecoderPassThrough(notify);
1142        } else {
1143            *decoder = new Decoder(notify);
1144        }
1145    } else {
1146        *decoder = new Decoder(notify, mNativeWindow);
1147    }
1148    (*decoder)->init();
1149    (*decoder)->configure(format);
1150
1151    // allocate buffers to decrypt widevine source buffers
1152    if (!audio && (mSourceFlags & Source::FLAG_SECURE)) {
1153        Vector<sp<ABuffer> > inputBufs;
1154        CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK);
1155
1156        Vector<MediaBuffer *> mediaBufs;
1157        for (size_t i = 0; i < inputBufs.size(); i++) {
1158            const sp<ABuffer> &buffer = inputBufs[i];
1159            MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size());
1160            mediaBufs.push(mbuf);
1161        }
1162
1163        status_t err = mSource->setBuffers(audio, mediaBufs);
1164        if (err != OK) {
1165            for (size_t i = 0; i < mediaBufs.size(); ++i) {
1166                mediaBufs[i]->release();
1167            }
1168            mediaBufs.clear();
1169            ALOGE("Secure source didn't support secure mediaBufs.");
1170            return err;
1171        }
1172    }
1173    return OK;
1174}
1175
1176status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) {
1177    sp<AMessage> reply;
1178    CHECK(msg->findMessage("reply", &reply));
1179
1180    if ((audio && IsFlushingState(mFlushingAudio))
1181            || (!audio && IsFlushingState(mFlushingVideo))) {
1182        reply->setInt32("err", INFO_DISCONTINUITY);
1183        reply->post();
1184        return OK;
1185    }
1186
1187    sp<ABuffer> accessUnit;
1188
1189    bool dropAccessUnit;
1190    do {
1191        status_t err = mSource->dequeueAccessUnit(audio, &accessUnit);
1192
1193        if (err == -EWOULDBLOCK) {
1194            return err;
1195        } else if (err != OK) {
1196            if (err == INFO_DISCONTINUITY) {
1197                int32_t type;
1198                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
1199
1200                bool formatChange =
1201                    (audio &&
1202                     (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT))
1203                    || (!audio &&
1204                            (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT));
1205
1206                bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0;
1207
1208                ALOGI("%s discontinuity (formatChange=%d, time=%d)",
1209                     audio ? "audio" : "video", formatChange, timeChange);
1210
1211                if (audio) {
1212                    mSkipRenderingAudioUntilMediaTimeUs = -1;
1213                } else {
1214                    mSkipRenderingVideoUntilMediaTimeUs = -1;
1215                }
1216
1217                if (timeChange) {
1218                    sp<AMessage> extra;
1219                    if (accessUnit->meta()->findMessage("extra", &extra)
1220                            && extra != NULL) {
1221                        int64_t resumeAtMediaTimeUs;
1222                        if (extra->findInt64(
1223                                    "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
1224                            ALOGI("suppressing rendering of %s until %lld us",
1225                                    audio ? "audio" : "video", resumeAtMediaTimeUs);
1226
1227                            if (audio) {
1228                                mSkipRenderingAudioUntilMediaTimeUs =
1229                                    resumeAtMediaTimeUs;
1230                            } else {
1231                                mSkipRenderingVideoUntilMediaTimeUs =
1232                                    resumeAtMediaTimeUs;
1233                            }
1234                        }
1235                    }
1236                }
1237
1238                mTimeDiscontinuityPending =
1239                    mTimeDiscontinuityPending || timeChange;
1240
1241                if (mFlushingAudio == NONE && mFlushingVideo == NONE) {
1242                    // And we'll resume scanning sources once we're done
1243                    // flushing.
1244                    mDeferredActions.push_front(
1245                            new SimpleAction(
1246                                &NuPlayer::performScanSources));
1247                }
1248
1249                if (formatChange || timeChange) {
1250
1251                    sp<AMessage> newFormat = mSource->getFormat(audio);
1252                    sp<Decoder> &decoder = audio ? mAudioDecoder : mVideoDecoder;
1253                    if (formatChange && !decoder->supportsSeamlessFormatChange(newFormat)) {
1254                        flushDecoder(audio, /* needShutdown = */ true);
1255                    } else {
1256                        flushDecoder(audio, /* needShutdown = */ false);
1257                        err = OK;
1258                    }
1259                } else {
1260                    // This stream is unaffected by the discontinuity
1261
1262                    if (audio) {
1263                        mFlushingAudio = FLUSHED;
1264                    } else {
1265                        mFlushingVideo = FLUSHED;
1266                    }
1267
1268                    finishFlushIfPossible();
1269
1270                    return -EWOULDBLOCK;
1271                }
1272            }
1273
1274            reply->setInt32("err", err);
1275            reply->post();
1276            return OK;
1277        }
1278
1279        if (!audio) {
1280            ++mNumFramesTotal;
1281        }
1282
1283        dropAccessUnit = false;
1284        if (!audio
1285                && !(mSourceFlags & Source::FLAG_SECURE)
1286                && mVideoLateByUs > 100000ll
1287                && mVideoIsAVC
1288                && !IsAVCReferenceFrame(accessUnit)) {
1289            dropAccessUnit = true;
1290            ++mNumFramesDropped;
1291        }
1292    } while (dropAccessUnit);
1293
1294    // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video");
1295
1296#if 0
1297    int64_t mediaTimeUs;
1298    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
1299    ALOGV("feeding %s input buffer at media time %.2f secs",
1300         audio ? "audio" : "video",
1301         mediaTimeUs / 1E6);
1302#endif
1303
1304    if (!audio) {
1305        mCCDecoder->decode(accessUnit);
1306    }
1307
1308    reply->setBuffer("buffer", accessUnit);
1309    reply->post();
1310
1311    return OK;
1312}
1313
1314void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) {
1315    // ALOGV("renderBuffer %s", audio ? "audio" : "video");
1316
1317    sp<AMessage> reply;
1318    CHECK(msg->findMessage("reply", &reply));
1319
1320    if (IsFlushingState(audio ? mFlushingAudio : mFlushingVideo)) {
1321        // We're currently attempting to flush the decoder, in order
1322        // to complete this, the decoder wants all its buffers back,
1323        // so we don't want any output buffers it sent us (from before
1324        // we initiated the flush) to be stuck in the renderer's queue.
1325
1326        ALOGV("we're still flushing the %s decoder, sending its output buffer"
1327             " right back.", audio ? "audio" : "video");
1328
1329        reply->post();
1330        return;
1331    }
1332
1333    sp<ABuffer> buffer;
1334    CHECK(msg->findBuffer("buffer", &buffer));
1335
1336    int64_t mediaTimeUs;
1337    CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs));
1338
1339    int64_t &skipUntilMediaTimeUs =
1340        audio
1341            ? mSkipRenderingAudioUntilMediaTimeUs
1342            : mSkipRenderingVideoUntilMediaTimeUs;
1343
1344    if (skipUntilMediaTimeUs >= 0) {
1345
1346        if (mediaTimeUs < skipUntilMediaTimeUs) {
1347            ALOGV("dropping %s buffer at time %lld as requested.",
1348                 audio ? "audio" : "video",
1349                 mediaTimeUs);
1350
1351            reply->post();
1352            return;
1353        }
1354
1355        skipUntilMediaTimeUs = -1;
1356    }
1357
1358    if (!audio && mCCDecoder->isSelected()) {
1359        mCCDecoder->display(mediaTimeUs);
1360    }
1361
1362    mRenderer->queueBuffer(audio, buffer, reply);
1363}
1364
1365void NuPlayer::updateVideoSize(
1366        const sp<AMessage> &inputFormat,
1367        const sp<AMessage> &outputFormat) {
1368    if (inputFormat == NULL) {
1369        ALOGW("Unknown video size, reporting 0x0!");
1370        notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0);
1371        return;
1372    }
1373
1374    int32_t displayWidth, displayHeight;
1375    int32_t cropLeft, cropTop, cropRight, cropBottom;
1376
1377    if (outputFormat != NULL) {
1378        int32_t width, height;
1379        CHECK(outputFormat->findInt32("width", &width));
1380        CHECK(outputFormat->findInt32("height", &height));
1381
1382        int32_t cropLeft, cropTop, cropRight, cropBottom;
1383        CHECK(outputFormat->findRect(
1384                    "crop",
1385                    &cropLeft, &cropTop, &cropRight, &cropBottom));
1386
1387        displayWidth = cropRight - cropLeft + 1;
1388        displayHeight = cropBottom - cropTop + 1;
1389
1390        ALOGV("Video output format changed to %d x %d "
1391             "(crop: %d x %d @ (%d, %d))",
1392             width, height,
1393             displayWidth,
1394             displayHeight,
1395             cropLeft, cropTop);
1396    } else {
1397        CHECK(inputFormat->findInt32("width", &displayWidth));
1398        CHECK(inputFormat->findInt32("height", &displayHeight));
1399
1400        ALOGV("Video input format %d x %d", displayWidth, displayHeight);
1401    }
1402
1403    // Take into account sample aspect ratio if necessary:
1404    int32_t sarWidth, sarHeight;
1405    if (inputFormat->findInt32("sar-width", &sarWidth)
1406            && inputFormat->findInt32("sar-height", &sarHeight)) {
1407        ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight);
1408
1409        displayWidth = (displayWidth * sarWidth) / sarHeight;
1410
1411        ALOGV("display dimensions %d x %d", displayWidth, displayHeight);
1412    }
1413
1414    int32_t rotationDegrees;
1415    if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) {
1416        rotationDegrees = 0;
1417    }
1418
1419    if (rotationDegrees == 90 || rotationDegrees == 270) {
1420        int32_t tmp = displayWidth;
1421        displayWidth = displayHeight;
1422        displayHeight = tmp;
1423    }
1424
1425    notifyListener(
1426            MEDIA_SET_VIDEO_SIZE,
1427            displayWidth,
1428            displayHeight);
1429}
1430
1431void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) {
1432    if (mDriver == NULL) {
1433        return;
1434    }
1435
1436    sp<NuPlayerDriver> driver = mDriver.promote();
1437
1438    if (driver == NULL) {
1439        return;
1440    }
1441
1442    driver->notifyListener(msg, ext1, ext2, in);
1443}
1444
1445void NuPlayer::flushDecoder(bool audio, bool needShutdown) {
1446    ALOGV("[%s] flushDecoder needShutdown=%d",
1447          audio ? "audio" : "video", needShutdown);
1448
1449    if ((audio && mAudioDecoder == NULL) || (!audio && mVideoDecoder == NULL)) {
1450        ALOGI("flushDecoder %s without decoder present",
1451             audio ? "audio" : "video");
1452    }
1453
1454    // Make sure we don't continue to scan sources until we finish flushing.
1455    ++mScanSourcesGeneration;
1456    mScanSourcesPending = false;
1457
1458    (audio ? mAudioDecoder : mVideoDecoder)->signalFlush();
1459    mRenderer->flush(audio);
1460
1461    FlushStatus newStatus =
1462        needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
1463
1464    if (audio) {
1465        CHECK(mFlushingAudio == NONE
1466                || mFlushingAudio == AWAITING_DISCONTINUITY);
1467
1468        mFlushingAudio = newStatus;
1469
1470        if (mFlushingVideo == NONE) {
1471            mFlushingVideo = (mVideoDecoder != NULL)
1472                ? AWAITING_DISCONTINUITY
1473                : FLUSHED;
1474        }
1475    } else {
1476        CHECK(mFlushingVideo == NONE
1477                || mFlushingVideo == AWAITING_DISCONTINUITY);
1478
1479        mFlushingVideo = newStatus;
1480
1481        if (mFlushingAudio == NONE) {
1482            mFlushingAudio = (mAudioDecoder != NULL)
1483                ? AWAITING_DISCONTINUITY
1484                : FLUSHED;
1485        }
1486    }
1487}
1488
1489void NuPlayer::queueDecoderShutdown(
1490        bool audio, bool video, const sp<AMessage> &reply) {
1491    ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
1492
1493    mDeferredActions.push_back(
1494            new ShutdownDecoderAction(audio, video));
1495
1496    mDeferredActions.push_back(
1497            new SimpleAction(&NuPlayer::performScanSources));
1498
1499    mDeferredActions.push_back(new PostMessageAction(reply));
1500
1501    processDeferredActions();
1502}
1503
1504status_t NuPlayer::setVideoScalingMode(int32_t mode) {
1505    mVideoScalingMode = mode;
1506    if (mNativeWindow != NULL) {
1507        status_t ret = native_window_set_scaling_mode(
1508                mNativeWindow->getNativeWindow().get(), mVideoScalingMode);
1509        if (ret != OK) {
1510            ALOGE("Failed to set scaling mode (%d): %s",
1511                -ret, strerror(-ret));
1512            return ret;
1513        }
1514    }
1515    return OK;
1516}
1517
1518status_t NuPlayer::getTrackInfo(Parcel* reply) const {
1519    sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id());
1520    msg->setPointer("reply", reply);
1521
1522    sp<AMessage> response;
1523    status_t err = msg->postAndAwaitResponse(&response);
1524    return err;
1525}
1526
1527status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const {
1528    sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id());
1529    msg->setPointer("reply", reply);
1530    msg->setInt32("type", type);
1531
1532    sp<AMessage> response;
1533    status_t err = msg->postAndAwaitResponse(&response);
1534    if (err == OK && response != NULL) {
1535        CHECK(response->findInt32("err", &err));
1536    }
1537    return err;
1538}
1539
1540status_t NuPlayer::selectTrack(size_t trackIndex, bool select) {
1541    sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
1542    msg->setSize("trackIndex", trackIndex);
1543    msg->setInt32("select", select);
1544
1545    sp<AMessage> response;
1546    status_t err = msg->postAndAwaitResponse(&response);
1547
1548    if (err != OK) {
1549        return err;
1550    }
1551
1552    if (!response->findInt32("err", &err)) {
1553        err = OK;
1554    }
1555
1556    return err;
1557}
1558
1559void NuPlayer::schedulePollDuration() {
1560    sp<AMessage> msg = new AMessage(kWhatPollDuration, id());
1561    msg->setInt32("generation", mPollDurationGeneration);
1562    msg->post();
1563}
1564
1565void NuPlayer::cancelPollDuration() {
1566    ++mPollDurationGeneration;
1567}
1568
1569void NuPlayer::processDeferredActions() {
1570    while (!mDeferredActions.empty()) {
1571        // We won't execute any deferred actions until we're no longer in
1572        // an intermediate state, i.e. one more more decoders are currently
1573        // flushing or shutting down.
1574
1575        if (mRenderer != NULL) {
1576            // There's an edge case where the renderer owns all output
1577            // buffers and is paused, therefore the decoder will not read
1578            // more input data and will never encounter the matching
1579            // discontinuity. To avoid this, we resume the renderer.
1580
1581            if (mFlushingAudio == AWAITING_DISCONTINUITY
1582                    || mFlushingVideo == AWAITING_DISCONTINUITY) {
1583                mRenderer->resume();
1584            }
1585        }
1586
1587        if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
1588            // We're currently flushing, postpone the reset until that's
1589            // completed.
1590
1591            ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d",
1592                  mFlushingAudio, mFlushingVideo);
1593
1594            break;
1595        }
1596
1597        sp<Action> action = *mDeferredActions.begin();
1598        mDeferredActions.erase(mDeferredActions.begin());
1599
1600        action->execute(this);
1601    }
1602}
1603
1604void NuPlayer::performSeek(int64_t seekTimeUs) {
1605    ALOGV("performSeek seekTimeUs=%lld us (%.2f secs)",
1606          seekTimeUs,
1607          seekTimeUs / 1E6);
1608
1609    mSource->seekTo(seekTimeUs);
1610    ++mTimedTextGeneration;
1611
1612    if (mDriver != NULL) {
1613        sp<NuPlayerDriver> driver = mDriver.promote();
1614        if (driver != NULL) {
1615            driver->notifyPosition(seekTimeUs);
1616            driver->notifySeekComplete();
1617        }
1618    }
1619
1620    // everything's flushed, continue playback.
1621}
1622
1623void NuPlayer::performDecoderFlush() {
1624    ALOGV("performDecoderFlush");
1625
1626    if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
1627        return;
1628    }
1629
1630    mTimeDiscontinuityPending = true;
1631
1632    if (mAudioDecoder != NULL) {
1633        flushDecoder(true /* audio */, false /* needShutdown */);
1634    }
1635
1636    if (mVideoDecoder != NULL) {
1637        flushDecoder(false /* audio */, false /* needShutdown */);
1638    }
1639}
1640
1641void NuPlayer::performDecoderShutdown(bool audio, bool video) {
1642    ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video);
1643
1644    if ((!audio || mAudioDecoder == NULL)
1645            && (!video || mVideoDecoder == NULL)) {
1646        return;
1647    }
1648
1649    mTimeDiscontinuityPending = true;
1650
1651    if (mFlushingAudio == NONE && (!audio || mAudioDecoder == NULL)) {
1652        mFlushingAudio = FLUSHED;
1653    }
1654
1655    if (mFlushingVideo == NONE && (!video || mVideoDecoder == NULL)) {
1656        mFlushingVideo = FLUSHED;
1657    }
1658
1659    if (audio && mAudioDecoder != NULL) {
1660        flushDecoder(true /* audio */, true /* needShutdown */);
1661    }
1662
1663    if (video && mVideoDecoder != NULL) {
1664        flushDecoder(false /* audio */, true /* needShutdown */);
1665    }
1666}
1667
1668void NuPlayer::performReset() {
1669    ALOGV("performReset");
1670
1671    CHECK(mAudioDecoder == NULL);
1672    CHECK(mVideoDecoder == NULL);
1673
1674    cancelPollDuration();
1675
1676    ++mScanSourcesGeneration;
1677    mScanSourcesPending = false;
1678
1679    if (mRendererLooper != NULL) {
1680        if (mRenderer != NULL) {
1681            mRendererLooper->unregisterHandler(mRenderer->id());
1682        }
1683        mRendererLooper->stop();
1684        mRendererLooper.clear();
1685    }
1686    mRenderer.clear();
1687
1688    if (mSource != NULL) {
1689        mSource->stop();
1690
1691        looper()->unregisterHandler(mSource->id());
1692
1693        mSource.clear();
1694    }
1695
1696    if (mDriver != NULL) {
1697        sp<NuPlayerDriver> driver = mDriver.promote();
1698        if (driver != NULL) {
1699            driver->notifyResetComplete();
1700        }
1701    }
1702
1703    mStarted = false;
1704}
1705
1706void NuPlayer::performScanSources() {
1707    ALOGV("performScanSources");
1708
1709    if (!mStarted) {
1710        return;
1711    }
1712
1713    if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
1714        postScanSources();
1715    }
1716}
1717
1718void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) {
1719    ALOGV("performSetSurface");
1720
1721    mNativeWindow = wrapper;
1722
1723    // XXX - ignore error from setVideoScalingMode for now
1724    setVideoScalingMode(mVideoScalingMode);
1725
1726    if (mDriver != NULL) {
1727        sp<NuPlayerDriver> driver = mDriver.promote();
1728        if (driver != NULL) {
1729            driver->notifySetSurfaceComplete();
1730        }
1731    }
1732}
1733
1734void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
1735    int32_t what;
1736    CHECK(msg->findInt32("what", &what));
1737
1738    switch (what) {
1739        case Source::kWhatPrepared:
1740        {
1741            if (mSource == NULL) {
1742                // This is a stale notification from a source that was
1743                // asynchronously preparing when the client called reset().
1744                // We handled the reset, the source is gone.
1745                break;
1746            }
1747
1748            int32_t err;
1749            CHECK(msg->findInt32("err", &err));
1750
1751            sp<NuPlayerDriver> driver = mDriver.promote();
1752            if (driver != NULL) {
1753                // notify duration first, so that it's definitely set when
1754                // the app received the "prepare complete" callback.
1755                int64_t durationUs;
1756                if (mSource->getDuration(&durationUs) == OK) {
1757                    driver->notifyDuration(durationUs);
1758                }
1759                driver->notifyPrepareCompleted(err);
1760            }
1761
1762            break;
1763        }
1764
1765        case Source::kWhatFlagsChanged:
1766        {
1767            uint32_t flags;
1768            CHECK(msg->findInt32("flags", (int32_t *)&flags));
1769
1770            sp<NuPlayerDriver> driver = mDriver.promote();
1771            if (driver != NULL) {
1772                driver->notifyFlagsChanged(flags);
1773            }
1774
1775            if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1776                    && (!(flags & Source::FLAG_DYNAMIC_DURATION))) {
1777                cancelPollDuration();
1778            } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1779                    && (flags & Source::FLAG_DYNAMIC_DURATION)
1780                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
1781                schedulePollDuration();
1782            }
1783
1784            mSourceFlags = flags;
1785            break;
1786        }
1787
1788        case Source::kWhatVideoSizeChanged:
1789        {
1790            sp<AMessage> format;
1791            CHECK(msg->findMessage("format", &format));
1792
1793            updateVideoSize(format);
1794            break;
1795        }
1796
1797        case Source::kWhatBufferingStart:
1798        {
1799            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0);
1800            break;
1801        }
1802
1803        case Source::kWhatBufferingEnd:
1804        {
1805            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0);
1806            break;
1807        }
1808
1809        case Source::kWhatSubtitleData:
1810        {
1811            sp<ABuffer> buffer;
1812            CHECK(msg->findBuffer("buffer", &buffer));
1813
1814            sendSubtitleData(buffer, 0 /* baseIndex */);
1815            break;
1816        }
1817
1818        case Source::kWhatTimedTextData:
1819        {
1820            int32_t generation;
1821            if (msg->findInt32("generation", &generation)
1822                    && generation != mTimedTextGeneration) {
1823                break;
1824            }
1825
1826            sp<ABuffer> buffer;
1827            CHECK(msg->findBuffer("buffer", &buffer));
1828
1829            sp<NuPlayerDriver> driver = mDriver.promote();
1830            if (driver == NULL) {
1831                break;
1832            }
1833
1834            int posMs;
1835            int64_t timeUs, posUs;
1836            driver->getCurrentPosition(&posMs);
1837            posUs = posMs * 1000;
1838            CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1839
1840            if (posUs < timeUs) {
1841                if (!msg->findInt32("generation", &generation)) {
1842                    msg->setInt32("generation", mTimedTextGeneration);
1843                }
1844                msg->post(timeUs - posUs);
1845            } else {
1846                sendTimedTextData(buffer);
1847            }
1848            break;
1849        }
1850
1851        case Source::kWhatQueueDecoderShutdown:
1852        {
1853            int32_t audio, video;
1854            CHECK(msg->findInt32("audio", &audio));
1855            CHECK(msg->findInt32("video", &video));
1856
1857            sp<AMessage> reply;
1858            CHECK(msg->findMessage("reply", &reply));
1859
1860            queueDecoderShutdown(audio, video, reply);
1861            break;
1862        }
1863
1864        default:
1865            TRESPASS();
1866    }
1867}
1868
1869void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) {
1870    int32_t what;
1871    CHECK(msg->findInt32("what", &what));
1872
1873    switch (what) {
1874        case NuPlayer::CCDecoder::kWhatClosedCaptionData:
1875        {
1876            sp<ABuffer> buffer;
1877            CHECK(msg->findBuffer("buffer", &buffer));
1878
1879            size_t inbandTracks = 0;
1880            if (mSource != NULL) {
1881                inbandTracks = mSource->getTrackCount();
1882            }
1883
1884            sendSubtitleData(buffer, inbandTracks);
1885            break;
1886        }
1887
1888        case NuPlayer::CCDecoder::kWhatTrackAdded:
1889        {
1890            notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
1891
1892            break;
1893        }
1894
1895        default:
1896            TRESPASS();
1897    }
1898
1899
1900}
1901
1902void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) {
1903    int32_t trackIndex;
1904    int64_t timeUs, durationUs;
1905    CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex));
1906    CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1907    CHECK(buffer->meta()->findInt64("durationUs", &durationUs));
1908
1909    Parcel in;
1910    in.writeInt32(trackIndex + baseIndex);
1911    in.writeInt64(timeUs);
1912    in.writeInt64(durationUs);
1913    in.writeInt32(buffer->size());
1914    in.writeInt32(buffer->size());
1915    in.write(buffer->data(), buffer->size());
1916
1917    notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
1918}
1919
1920void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) {
1921    const void *data;
1922    size_t size = 0;
1923    int64_t timeUs;
1924    int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS;
1925
1926    AString mime;
1927    CHECK(buffer->meta()->findString("mime", &mime));
1928    CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0);
1929
1930    data = buffer->data();
1931    size = buffer->size();
1932
1933    Parcel parcel;
1934    if (size > 0) {
1935        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1936        flag |= TextDescriptions::IN_BAND_TEXT_3GPP;
1937        TextDescriptions::getParcelOfDescriptions(
1938                (const uint8_t *)data, size, flag, timeUs / 1000, &parcel);
1939    }
1940
1941    if ((parcel.dataSize() > 0)) {
1942        notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel);
1943    } else {  // send an empty timed text
1944        notifyListener(MEDIA_TIMED_TEXT, 0, 0);
1945    }
1946}
1947////////////////////////////////////////////////////////////////////////////////
1948
1949sp<AMessage> NuPlayer::Source::getFormat(bool audio) {
1950    sp<MetaData> meta = getFormatMeta(audio);
1951
1952    if (meta == NULL) {
1953        return NULL;
1954    }
1955
1956    sp<AMessage> msg = new AMessage;
1957
1958    if(convertMetaDataToMessage(meta, &msg) == OK) {
1959        return msg;
1960    }
1961    return NULL;
1962}
1963
1964void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) {
1965    sp<AMessage> notify = dupNotify();
1966    notify->setInt32("what", kWhatFlagsChanged);
1967    notify->setInt32("flags", flags);
1968    notify->post();
1969}
1970
1971void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) {
1972    sp<AMessage> notify = dupNotify();
1973    notify->setInt32("what", kWhatVideoSizeChanged);
1974    notify->setMessage("format", format);
1975    notify->post();
1976}
1977
1978void NuPlayer::Source::notifyPrepared(status_t err) {
1979    sp<AMessage> notify = dupNotify();
1980    notify->setInt32("what", kWhatPrepared);
1981    notify->setInt32("err", err);
1982    notify->post();
1983}
1984
1985void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) {
1986    TRESPASS();
1987}
1988
1989}  // namespace android
1990