NuPlayer.cpp revision 7353585789513466d5887986620e8734a325b3eb 
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      mCurrentPositionUs(0),
149      mVideoIsAVC(false),
150      mOffloadAudio(false),
151      mCurrentOffloadInfo(AUDIO_INFO_INITIALIZER),
152      mAudioDecoderGeneration(0),
153      mVideoDecoderGeneration(0),
154      mAudioEOS(false),
155      mVideoEOS(false),
156      mScanSourcesPending(false),
157      mScanSourcesGeneration(0),
158      mPollDurationGeneration(0),
159      mTimedTextGeneration(0),
160      mTimeDiscontinuityPending(false),
161      mFlushingAudio(NONE),
162      mFlushingVideo(NONE),
163      mSkipRenderingAudioUntilMediaTimeUs(-1ll),
164      mSkipRenderingVideoUntilMediaTimeUs(-1ll),
165      mVideoLateByUs(0ll),
166      mNumFramesTotal(0ll),
167      mNumFramesDropped(0ll),
168      mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW),
169      mStarted(false) {
170}
171
172NuPlayer::~NuPlayer() {
173}
174
175void NuPlayer::setUID(uid_t uid) {
176    mUIDValid = true;
177    mUID = uid;
178}
179
180void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) {
181    mDriver = driver;
182}
183
184void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) {
185    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
186
187    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
188
189    msg->setObject("source", new StreamingSource(notify, source));
190    msg->post();
191}
192
193static bool IsHTTPLiveURL(const char *url) {
194    if (!strncasecmp("http://", url, 7)
195            || !strncasecmp("https://", url, 8)
196            || !strncasecmp("file://", url, 7)) {
197        size_t len = strlen(url);
198        if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
199            return true;
200        }
201
202        if (strstr(url,"m3u8")) {
203            return true;
204        }
205    }
206
207    return false;
208}
209
210void NuPlayer::setDataSourceAsync(
211        const sp<IMediaHTTPService> &httpService,
212        const char *url,
213        const KeyedVector<String8, String8> *headers) {
214
215    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
216    size_t len = strlen(url);
217
218    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
219
220    sp<Source> source;
221    if (IsHTTPLiveURL(url)) {
222        source = new HTTPLiveSource(notify, httpService, url, headers);
223    } else if (!strncasecmp(url, "rtsp://", 7)) {
224        source = new RTSPSource(
225                notify, httpService, url, headers, mUIDValid, mUID);
226    } else if ((!strncasecmp(url, "http://", 7)
227                || !strncasecmp(url, "https://", 8))
228                    && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4]))
229                    || strstr(url, ".sdp?"))) {
230        source = new RTSPSource(
231                notify, httpService, url, headers, mUIDValid, mUID, true);
232    } else {
233        sp<GenericSource> genericSource =
234                new GenericSource(notify, mUIDValid, mUID);
235        // Don't set FLAG_SECURE on mSourceFlags here for widevine.
236        // The correct flags will be updated in Source::kWhatFlagsChanged
237        // handler when  GenericSource is prepared.
238
239        status_t err = genericSource->setDataSource(httpService, url, headers);
240
241        if (err == OK) {
242            source = genericSource;
243        } else {
244            ALOGE("Failed to set data source!");
245        }
246    }
247    msg->setObject("source", source);
248    msg->post();
249}
250
251void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) {
252    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
253
254    sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
255
256    sp<GenericSource> source =
257            new GenericSource(notify, mUIDValid, mUID);
258
259    status_t err = source->setDataSource(fd, offset, length);
260
261    if (err != OK) {
262        ALOGE("Failed to set data source!");
263        source = NULL;
264    }
265
266    msg->setObject("source", source);
267    msg->post();
268}
269
270void NuPlayer::prepareAsync() {
271    (new AMessage(kWhatPrepare, id()))->post();
272}
273
274void NuPlayer::setVideoSurfaceTextureAsync(
275        const sp<IGraphicBufferProducer> &bufferProducer) {
276    sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id());
277
278    if (bufferProducer == NULL) {
279        msg->setObject("native-window", NULL);
280    } else {
281        msg->setObject(
282                "native-window",
283                new NativeWindowWrapper(
284                    new Surface(bufferProducer, true /* controlledByApp */)));
285    }
286
287    msg->post();
288}
289
290void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) {
291    sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id());
292    msg->setObject("sink", sink);
293    msg->post();
294}
295
296void NuPlayer::start() {
297    (new AMessage(kWhatStart, id()))->post();
298}
299
300void NuPlayer::pause() {
301    (new AMessage(kWhatPause, id()))->post();
302}
303
304void NuPlayer::resume() {
305    (new AMessage(kWhatResume, id()))->post();
306}
307
308void NuPlayer::resetAsync() {
309    (new AMessage(kWhatReset, id()))->post();
310}
311
312void NuPlayer::seekToAsync(int64_t seekTimeUs) {
313    sp<AMessage> msg = new AMessage(kWhatSeek, id());
314    msg->setInt64("seekTimeUs", seekTimeUs);
315    msg->post();
316}
317
318// static
319bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) {
320    switch (state) {
321        case FLUSHING_DECODER:
322            if (needShutdown != NULL) {
323                *needShutdown = false;
324            }
325            return true;
326
327        case FLUSHING_DECODER_SHUTDOWN:
328            if (needShutdown != NULL) {
329                *needShutdown = true;
330            }
331            return true;
332
333        default:
334            return false;
335    }
336}
337
338void NuPlayer::writeTrackInfo(
339        Parcel* reply, const sp<AMessage> format) const {
340    int32_t trackType;
341    CHECK(format->findInt32("type", &trackType));
342
343    AString lang;
344    CHECK(format->findString("language", &lang));
345
346    reply->writeInt32(2); // write something non-zero
347    reply->writeInt32(trackType);
348    reply->writeString16(String16(lang.c_str()));
349
350    if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
351        AString mime;
352        CHECK(format->findString("mime", &mime));
353
354        int32_t isAuto, isDefault, isForced;
355        CHECK(format->findInt32("auto", &isAuto));
356        CHECK(format->findInt32("default", &isDefault));
357        CHECK(format->findInt32("forced", &isForced));
358
359        reply->writeString16(String16(mime.c_str()));
360        reply->writeInt32(isAuto);
361        reply->writeInt32(isDefault);
362        reply->writeInt32(isForced);
363    }
364}
365
366void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
367    switch (msg->what()) {
368        case kWhatSetDataSource:
369        {
370            ALOGV("kWhatSetDataSource");
371
372            CHECK(mSource == NULL);
373
374            status_t err = OK;
375            sp<RefBase> obj;
376            CHECK(msg->findObject("source", &obj));
377            if (obj != NULL) {
378                mSource = static_cast<Source *>(obj.get());
379            } else {
380                err = UNKNOWN_ERROR;
381            }
382
383            CHECK(mDriver != NULL);
384            sp<NuPlayerDriver> driver = mDriver.promote();
385            if (driver != NULL) {
386                driver->notifySetDataSourceCompleted(err);
387            }
388            break;
389        }
390
391        case kWhatPrepare:
392        {
393            mSource->prepareAsync();
394            break;
395        }
396
397        case kWhatGetTrackInfo:
398        {
399            uint32_t replyID;
400            CHECK(msg->senderAwaitsResponse(&replyID));
401
402            Parcel* reply;
403            CHECK(msg->findPointer("reply", (void**)&reply));
404
405            size_t inbandTracks = 0;
406            if (mSource != NULL) {
407                inbandTracks = mSource->getTrackCount();
408            }
409
410            size_t ccTracks = 0;
411            if (mCCDecoder != NULL) {
412                ccTracks = mCCDecoder->getTrackCount();
413            }
414
415            // total track count
416            reply->writeInt32(inbandTracks + ccTracks);
417
418            // write inband tracks
419            for (size_t i = 0; i < inbandTracks; ++i) {
420                writeTrackInfo(reply, mSource->getTrackInfo(i));
421            }
422
423            // write CC track
424            for (size_t i = 0; i < ccTracks; ++i) {
425                writeTrackInfo(reply, mCCDecoder->getTrackInfo(i));
426            }
427
428            sp<AMessage> response = new AMessage;
429            response->postReply(replyID);
430            break;
431        }
432
433        case kWhatGetSelectedTrack:
434        {
435            status_t err = INVALID_OPERATION;
436            if (mSource != NULL) {
437                err = OK;
438
439                int32_t type32;
440                CHECK(msg->findInt32("type", (int32_t*)&type32));
441                media_track_type type = (media_track_type)type32;
442                ssize_t selectedTrack = mSource->getSelectedTrack(type);
443
444                Parcel* reply;
445                CHECK(msg->findPointer("reply", (void**)&reply));
446                reply->writeInt32(selectedTrack);
447            }
448
449            sp<AMessage> response = new AMessage;
450            response->setInt32("err", err);
451
452            uint32_t replyID;
453            CHECK(msg->senderAwaitsResponse(&replyID));
454            response->postReply(replyID);
455            break;
456        }
457
458        case kWhatSelectTrack:
459        {
460            uint32_t replyID;
461            CHECK(msg->senderAwaitsResponse(&replyID));
462
463            size_t trackIndex;
464            int32_t select;
465            CHECK(msg->findSize("trackIndex", &trackIndex));
466            CHECK(msg->findInt32("select", &select));
467
468            status_t err = INVALID_OPERATION;
469
470            size_t inbandTracks = 0;
471            if (mSource != NULL) {
472                inbandTracks = mSource->getTrackCount();
473            }
474            size_t ccTracks = 0;
475            if (mCCDecoder != NULL) {
476                ccTracks = mCCDecoder->getTrackCount();
477            }
478
479            if (trackIndex < inbandTracks) {
480                err = mSource->selectTrack(trackIndex, select);
481
482                if (!select && err == OK) {
483                    int32_t type;
484                    sp<AMessage> info = mSource->getTrackInfo(trackIndex);
485                    if (info != NULL
486                            && info->findInt32("type", &type)
487                            && type == MEDIA_TRACK_TYPE_TIMEDTEXT) {
488                        ++mTimedTextGeneration;
489                    }
490                }
491            } else {
492                trackIndex -= inbandTracks;
493
494                if (trackIndex < ccTracks) {
495                    err = mCCDecoder->selectTrack(trackIndex, select);
496                }
497            }
498
499            sp<AMessage> response = new AMessage;
500            response->setInt32("err", err);
501
502            response->postReply(replyID);
503            break;
504        }
505
506        case kWhatPollDuration:
507        {
508            int32_t generation;
509            CHECK(msg->findInt32("generation", &generation));
510
511            if (generation != mPollDurationGeneration) {
512                // stale
513                break;
514            }
515
516            int64_t durationUs;
517            if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) {
518                sp<NuPlayerDriver> driver = mDriver.promote();
519                if (driver != NULL) {
520                    driver->notifyDuration(durationUs);
521                }
522            }
523
524            msg->post(1000000ll);  // poll again in a second.
525            break;
526        }
527
528        case kWhatSetVideoNativeWindow:
529        {
530            ALOGV("kWhatSetVideoNativeWindow");
531
532            mDeferredActions.push_back(
533                    new ShutdownDecoderAction(
534                        false /* audio */, true /* video */));
535
536            sp<RefBase> obj;
537            CHECK(msg->findObject("native-window", &obj));
538
539            mDeferredActions.push_back(
540                    new SetSurfaceAction(
541                        static_cast<NativeWindowWrapper *>(obj.get())));
542
543            if (obj != NULL) {
544                if (mStarted && mVideoDecoder != NULL) {
545                    // Issue a seek to refresh the video screen only if started otherwise
546                    // the extractor may not yet be started and will assert.
547                    // If the video decoder is not set (perhaps audio only in this case)
548                    // do not perform a seek as it is not needed.
549                    mDeferredActions.push_back(new SeekAction(mCurrentPositionUs));
550                }
551
552                // If there is a new surface texture, instantiate decoders
553                // again if possible.
554                mDeferredActions.push_back(
555                        new SimpleAction(&NuPlayer::performScanSources));
556            }
557
558            processDeferredActions();
559            break;
560        }
561
562        case kWhatSetAudioSink:
563        {
564            ALOGV("kWhatSetAudioSink");
565
566            sp<RefBase> obj;
567            CHECK(msg->findObject("sink", &obj));
568
569            mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get());
570            break;
571        }
572
573        case kWhatStart:
574        {
575            ALOGV("kWhatStart");
576
577            mVideoIsAVC = false;
578            mOffloadAudio = false;
579            mAudioEOS = false;
580            mVideoEOS = false;
581            mSkipRenderingAudioUntilMediaTimeUs = -1;
582            mSkipRenderingVideoUntilMediaTimeUs = -1;
583            mVideoLateByUs = 0;
584            mNumFramesTotal = 0;
585            mNumFramesDropped = 0;
586            mStarted = true;
587
588            /* instantiate decoders now for secure playback */
589            if (mSourceFlags & Source::FLAG_SECURE) {
590                if (mNativeWindow != NULL) {
591                    instantiateDecoder(false, &mVideoDecoder);
592                }
593
594                if (mAudioSink != NULL) {
595                    instantiateDecoder(true, &mAudioDecoder);
596                }
597            }
598
599            mSource->start();
600
601            uint32_t flags = 0;
602
603            if (mSource->isRealTime()) {
604                flags |= Renderer::FLAG_REAL_TIME;
605            }
606
607            sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
608            audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
609            if (mAudioSink != NULL) {
610                streamType = mAudioSink->getAudioStreamType();
611            }
612
613            sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
614
615            mOffloadAudio =
616                canOffloadStream(audioMeta, (videoFormat != NULL),
617                                 true /* is_streaming */, streamType);
618            if (mOffloadAudio) {
619                flags |= Renderer::FLAG_OFFLOAD_AUDIO;
620            }
621
622            mRenderer = new Renderer(
623                    mAudioSink,
624                    new AMessage(kWhatRendererNotify, id()),
625                    flags);
626
627            mRendererLooper = new ALooper;
628            mRendererLooper->setName("NuPlayerRenderer");
629            mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
630            mRendererLooper->registerHandler(mRenderer);
631
632            postScanSources();
633            break;
634        }
635
636        case kWhatScanSources:
637        {
638            int32_t generation;
639            CHECK(msg->findInt32("generation", &generation));
640            if (generation != mScanSourcesGeneration) {
641                // Drop obsolete msg.
642                break;
643            }
644
645            mScanSourcesPending = false;
646
647            ALOGV("scanning sources haveAudio=%d, haveVideo=%d",
648                 mAudioDecoder != NULL, mVideoDecoder != NULL);
649
650            bool mHadAnySourcesBefore =
651                (mAudioDecoder != NULL) || (mVideoDecoder != NULL);
652
653            // initialize video before audio because successful initialization of
654            // video may change deep buffer mode of audio.
655            if (mNativeWindow != NULL) {
656                instantiateDecoder(false, &mVideoDecoder);
657            }
658
659            if (mAudioSink != NULL) {
660                if (mOffloadAudio) {
661                    // open audio sink early under offload mode.
662                    sp<AMessage> format = mSource->getFormat(true /*audio*/);
663                    openAudioSink(format, true /*offloadOnly*/);
664                }
665                instantiateDecoder(true, &mAudioDecoder);
666            }
667
668            if (!mHadAnySourcesBefore
669                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
670                // This is the first time we've found anything playable.
671
672                if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) {
673                    schedulePollDuration();
674                }
675            }
676
677            status_t err;
678            if ((err = mSource->feedMoreTSData()) != OK) {
679                if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
680                    // We're not currently decoding anything (no audio or
681                    // video tracks found) and we just ran out of input data.
682
683                    if (err == ERROR_END_OF_STREAM) {
684                        notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
685                    } else {
686                        notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
687                    }
688                }
689                break;
690            }
691
692            if ((mAudioDecoder == NULL && mAudioSink != NULL)
693                    || (mVideoDecoder == NULL && mNativeWindow != NULL)) {
694                msg->post(100000ll);
695                mScanSourcesPending = true;
696            }
697            break;
698        }
699
700        case kWhatVideoNotify:
701        case kWhatAudioNotify:
702        {
703            bool audio = msg->what() == kWhatAudioNotify;
704
705            int32_t currentDecoderGeneration =
706                (audio? mAudioDecoderGeneration : mVideoDecoderGeneration);
707            int32_t requesterGeneration = currentDecoderGeneration - 1;
708            CHECK(msg->findInt32("generation", &requesterGeneration));
709
710            if (requesterGeneration != currentDecoderGeneration) {
711                ALOGV("got message from old %s decoder, generation(%d:%d)",
712                        audio ? "audio" : "video", requesterGeneration,
713                        currentDecoderGeneration);
714                sp<AMessage> reply;
715                if (!(msg->findMessage("reply", &reply))) {
716                    return;
717                }
718
719                reply->setInt32("err", INFO_DISCONTINUITY);
720                reply->post();
721                return;
722            }
723
724            int32_t what;
725            CHECK(msg->findInt32("what", &what));
726
727            if (what == Decoder::kWhatFillThisBuffer) {
728                status_t err = feedDecoderInputData(
729                        audio, msg);
730
731                if (err == -EWOULDBLOCK) {
732                    if (mSource->feedMoreTSData() == OK) {
733                        msg->post(10000ll);
734                    }
735                }
736            } else if (what == Decoder::kWhatEOS) {
737                int32_t err;
738                CHECK(msg->findInt32("err", &err));
739
740                if (err == ERROR_END_OF_STREAM) {
741                    ALOGV("got %s decoder EOS", audio ? "audio" : "video");
742                } else {
743                    ALOGV("got %s decoder EOS w/ error %d",
744                         audio ? "audio" : "video",
745                         err);
746                }
747
748                mRenderer->queueEOS(audio, err);
749            } else if (what == Decoder::kWhatFlushCompleted) {
750                bool needShutdown;
751
752                if (audio) {
753                    CHECK(IsFlushingState(mFlushingAudio, &needShutdown));
754                    mFlushingAudio = FLUSHED;
755                } else {
756                    CHECK(IsFlushingState(mFlushingVideo, &needShutdown));
757                    mFlushingVideo = FLUSHED;
758
759                    mVideoLateByUs = 0;
760                }
761
762                ALOGV("decoder %s flush completed", audio ? "audio" : "video");
763
764                if (needShutdown) {
765                    ALOGV("initiating %s decoder shutdown",
766                         audio ? "audio" : "video");
767
768                    getDecoder(audio)->initiateShutdown();
769
770                    if (audio) {
771                        mFlushingAudio = SHUTTING_DOWN_DECODER;
772                    } else {
773                        mFlushingVideo = SHUTTING_DOWN_DECODER;
774                    }
775                }
776
777                finishFlushIfPossible();
778            } else if (what == Decoder::kWhatOutputFormatChanged) {
779                sp<AMessage> format;
780                CHECK(msg->findMessage("format", &format));
781
782                if (audio) {
783                    openAudioSink(format, false /*offloadOnly*/);
784                } else {
785                    // video
786                    sp<AMessage> inputFormat =
787                            mSource->getFormat(false /* audio */);
788
789                    updateVideoSize(inputFormat, format);
790                }
791            } else if (what == Decoder::kWhatShutdownCompleted) {
792                ALOGV("%s shutdown completed", audio ? "audio" : "video");
793                if (audio) {
794                    mAudioDecoder.clear();
795
796                    CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER);
797                    mFlushingAudio = SHUT_DOWN;
798                } else {
799                    mVideoDecoder.clear();
800
801                    CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER);
802                    mFlushingVideo = SHUT_DOWN;
803                }
804
805                finishFlushIfPossible();
806            } else if (what == Decoder::kWhatError) {
807                ALOGE("Received error from %s decoder, aborting playback.",
808                     audio ? "audio" : "video");
809
810                status_t err;
811                if (!msg->findInt32("err", &err)) {
812                    err = UNKNOWN_ERROR;
813                }
814                mRenderer->queueEOS(audio, err);
815                if (audio && mFlushingAudio != NONE) {
816                    mAudioDecoder.clear();
817                    mFlushingAudio = SHUT_DOWN;
818                } else if (!audio && mFlushingVideo != NONE){
819                    mVideoDecoder.clear();
820                    mFlushingVideo = SHUT_DOWN;
821                }
822                finishFlushIfPossible();
823            } else if (what == Decoder::kWhatDrainThisBuffer) {
824                renderBuffer(audio, msg);
825            } else {
826                ALOGV("Unhandled decoder notification %d '%c%c%c%c'.",
827                      what,
828                      what >> 24,
829                      (what >> 16) & 0xff,
830                      (what >> 8) & 0xff,
831                      what & 0xff);
832            }
833
834            break;
835        }
836
837        case kWhatRendererNotify:
838        {
839            int32_t what;
840            CHECK(msg->findInt32("what", &what));
841
842            if (what == Renderer::kWhatEOS) {
843                int32_t audio;
844                CHECK(msg->findInt32("audio", &audio));
845
846                int32_t finalResult;
847                CHECK(msg->findInt32("finalResult", &finalResult));
848
849                if (audio) {
850                    mAudioEOS = true;
851                } else {
852                    mVideoEOS = true;
853                }
854
855                if (finalResult == ERROR_END_OF_STREAM) {
856                    ALOGV("reached %s EOS", audio ? "audio" : "video");
857                } else {
858                    ALOGE("%s track encountered an error (%d)",
859                         audio ? "audio" : "video", finalResult);
860
861                    notifyListener(
862                            MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult);
863                }
864
865                if ((mAudioEOS || mAudioDecoder == NULL)
866                        && (mVideoEOS || mVideoDecoder == NULL)) {
867                    notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
868                }
869            } else if (what == Renderer::kWhatPosition) {
870                int64_t positionUs;
871                CHECK(msg->findInt64("positionUs", &positionUs));
872                mCurrentPositionUs = positionUs;
873
874                CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs));
875
876                if (mDriver != NULL) {
877                    sp<NuPlayerDriver> driver = mDriver.promote();
878                    if (driver != NULL) {
879                        driver->notifyPosition(positionUs);
880
881                        driver->notifyFrameStats(
882                                mNumFramesTotal, mNumFramesDropped);
883                    }
884                }
885            } else if (what == Renderer::kWhatFlushComplete) {
886                int32_t audio;
887                CHECK(msg->findInt32("audio", &audio));
888
889                ALOGV("renderer %s flush completed.", audio ? "audio" : "video");
890            } else if (what == Renderer::kWhatVideoRenderingStart) {
891                notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0);
892            } else if (what == Renderer::kWhatMediaRenderingStart) {
893                ALOGV("media rendering started");
894                notifyListener(MEDIA_STARTED, 0, 0);
895            } else if (what == Renderer::kWhatAudioOffloadTearDown) {
896                ALOGV("Tear down audio offload, fall back to s/w path");
897                int64_t positionUs;
898                CHECK(msg->findInt64("positionUs", &positionUs));
899                closeAudioSink();
900                mAudioDecoder.clear();
901                mRenderer->flush(true /* audio */);
902                if (mVideoDecoder != NULL) {
903                    mRenderer->flush(false /* audio */);
904                }
905                mRenderer->signalDisableOffloadAudio();
906                mOffloadAudio = false;
907
908                performSeek(positionUs);
909                instantiateDecoder(true /* audio */, &mAudioDecoder);
910            }
911            break;
912        }
913
914        case kWhatMoreDataQueued:
915        {
916            break;
917        }
918
919        case kWhatReset:
920        {
921            ALOGV("kWhatReset");
922
923            mDeferredActions.push_back(
924                    new ShutdownDecoderAction(
925                        true /* audio */, true /* video */));
926
927            mDeferredActions.push_back(
928                    new SimpleAction(&NuPlayer::performReset));
929
930            processDeferredActions();
931            break;
932        }
933
934        case kWhatSeek:
935        {
936            int64_t seekTimeUs;
937            CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
938
939            ALOGV("kWhatSeek seekTimeUs=%lld us", seekTimeUs);
940
941            mDeferredActions.push_back(
942                    new SimpleAction(&NuPlayer::performDecoderFlush));
943
944            mDeferredActions.push_back(new SeekAction(seekTimeUs));
945
946            processDeferredActions();
947            break;
948        }
949
950        case kWhatPause:
951        {
952            CHECK(mRenderer != NULL);
953            mSource->pause();
954            mRenderer->pause();
955            break;
956        }
957
958        case kWhatResume:
959        {
960            CHECK(mRenderer != NULL);
961            mSource->resume();
962            mRenderer->resume();
963            break;
964        }
965
966        case kWhatSourceNotify:
967        {
968            onSourceNotify(msg);
969            break;
970        }
971
972        case kWhatClosedCaptionNotify:
973        {
974            onClosedCaptionNotify(msg);
975            break;
976        }
977
978        default:
979            TRESPASS();
980            break;
981    }
982}
983
984void NuPlayer::finishFlushIfPossible() {
985    if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED
986            && mFlushingAudio != SHUT_DOWN) {
987        return;
988    }
989
990    if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED
991            && mFlushingVideo != SHUT_DOWN) {
992        return;
993    }
994
995    ALOGV("both audio and video are flushed now.");
996
997    if (mTimeDiscontinuityPending) {
998        mRenderer->signalTimeDiscontinuity();
999        mTimeDiscontinuityPending = false;
1000    }
1001
1002    if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) {
1003        mAudioDecoder->signalResume();
1004    }
1005
1006    if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) {
1007        mVideoDecoder->signalResume();
1008    }
1009
1010    mFlushingAudio = NONE;
1011    mFlushingVideo = NONE;
1012
1013    processDeferredActions();
1014}
1015
1016void NuPlayer::postScanSources() {
1017    if (mScanSourcesPending) {
1018        return;
1019    }
1020
1021    sp<AMessage> msg = new AMessage(kWhatScanSources, id());
1022    msg->setInt32("generation", mScanSourcesGeneration);
1023    msg->post();
1024
1025    mScanSourcesPending = true;
1026}
1027
1028void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) {
1029    ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)",
1030            offloadOnly, mOffloadAudio);
1031    bool audioSinkChanged = false;
1032
1033    int32_t numChannels;
1034    CHECK(format->findInt32("channel-count", &numChannels));
1035
1036    int32_t channelMask;
1037    if (!format->findInt32("channel-mask", &channelMask)) {
1038        // signal to the AudioSink to derive the mask from count.
1039        channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
1040    }
1041
1042    int32_t sampleRate;
1043    CHECK(format->findInt32("sample-rate", &sampleRate));
1044
1045    uint32_t flags;
1046    int64_t durationUs;
1047    // FIXME: we should handle the case where the video decoder
1048    // is created after we receive the format change indication.
1049    // Current code will just make that we select deep buffer
1050    // with video which should not be a problem as it should
1051    // not prevent from keeping A/V sync.
1052    if (mVideoDecoder == NULL &&
1053            mSource->getDuration(&durationUs) == OK &&
1054            durationUs
1055                > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
1056        flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
1057    } else {
1058        flags = AUDIO_OUTPUT_FLAG_NONE;
1059    }
1060
1061    if (mOffloadAudio) {
1062        audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT;
1063        AString mime;
1064        CHECK(format->findString("mime", &mime));
1065        status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str());
1066
1067        if (err != OK) {
1068            ALOGE("Couldn't map mime \"%s\" to a valid "
1069                    "audio_format", mime.c_str());
1070            mOffloadAudio = false;
1071        } else {
1072            ALOGV("Mime \"%s\" mapped to audio_format 0x%x",
1073                    mime.c_str(), audioFormat);
1074
1075            int avgBitRate = -1;
1076            format->findInt32("bit-rate", &avgBitRate);
1077
1078            int32_t aacProfile = -1;
1079            if (audioFormat == AUDIO_FORMAT_AAC
1080                    && format->findInt32("aac-profile", &aacProfile)) {
1081                // Redefine AAC format as per aac profile
1082                mapAACProfileToAudioFormat(
1083                        audioFormat,
1084                        aacProfile);
1085            }
1086
1087            audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER;
1088            offloadInfo.duration_us = -1;
1089            format->findInt64(
1090                    "durationUs", &offloadInfo.duration_us);
1091            offloadInfo.sample_rate = sampleRate;
1092            offloadInfo.channel_mask = channelMask;
1093            offloadInfo.format = audioFormat;
1094            offloadInfo.stream_type = AUDIO_STREAM_MUSIC;
1095            offloadInfo.bit_rate = avgBitRate;
1096            offloadInfo.has_video = (mVideoDecoder != NULL);
1097            offloadInfo.is_streaming = true;
1098
1099            if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) {
1100                ALOGV("openAudioSink: no change in offload mode");
1101                return;  // no change from previous configuration, everything ok.
1102            }
1103            ALOGV("openAudioSink: try to open AudioSink in offload mode");
1104            flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
1105            flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
1106            audioSinkChanged = true;
1107            mAudioSink->close();
1108            err = mAudioSink->open(
1109                    sampleRate,
1110                    numChannels,
1111                    (audio_channel_mask_t)channelMask,
1112                    audioFormat,
1113                    8 /* bufferCount */,
1114                    &NuPlayer::Renderer::AudioSinkCallback,
1115                    mRenderer.get(),
1116                    (audio_output_flags_t)flags,
1117                    &offloadInfo);
1118
1119            if (err == OK) {
1120                // If the playback is offloaded to h/w, we pass
1121                // the HAL some metadata information.
1122                // We don't want to do this for PCM because it
1123                // will be going through the AudioFlinger mixer
1124                // before reaching the hardware.
1125                sp<MetaData> audioMeta =
1126                        mSource->getFormatMeta(true /* audio */);
1127                sendMetaDataToHal(mAudioSink, audioMeta);
1128                mCurrentOffloadInfo = offloadInfo;
1129                err = mAudioSink->start();
1130                ALOGV_IF(err == OK, "openAudioSink: offload succeeded");
1131            }
1132            if (err != OK) {
1133                // Clean up, fall back to non offload mode.
1134                mAudioSink->close();
1135                mRenderer->signalDisableOffloadAudio();
1136                mOffloadAudio = false;
1137                mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1138                ALOGV("openAudioSink: offload failed");
1139            }
1140        }
1141    }
1142    if (!offloadOnly && !mOffloadAudio) {
1143        flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
1144        ALOGV("openAudioSink: open AudioSink in NON-offload mode");
1145
1146        audioSinkChanged = true;
1147        mAudioSink->close();
1148        mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1149        CHECK_EQ(mAudioSink->open(
1150                    sampleRate,
1151                    numChannels,
1152                    (audio_channel_mask_t)channelMask,
1153                    AUDIO_FORMAT_PCM_16_BIT,
1154                    8 /* bufferCount */,
1155                    NULL,
1156                    NULL,
1157                    (audio_output_flags_t)flags),
1158                 (status_t)OK);
1159        mAudioSink->start();
1160    }
1161    if (audioSinkChanged) {
1162        mRenderer->signalAudioSinkChanged();
1163    }
1164}
1165
1166void NuPlayer::closeAudioSink() {
1167    mAudioSink->close();
1168    mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
1169}
1170
1171status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
1172    if (*decoder != NULL) {
1173        return OK;
1174    }
1175
1176    sp<AMessage> format = mSource->getFormat(audio);
1177
1178    if (format == NULL) {
1179        return -EWOULDBLOCK;
1180    }
1181
1182    if (!audio) {
1183        AString mime;
1184        CHECK(format->findString("mime", &mime));
1185        mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str());
1186
1187        sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id());
1188        mCCDecoder = new CCDecoder(ccNotify);
1189
1190        if (mSourceFlags & Source::FLAG_SECURE) {
1191            format->setInt32("secure", true);
1192        }
1193    }
1194
1195    if (audio) {
1196        sp<AMessage> notify = new AMessage(kWhatAudioNotify, id());
1197        ++mAudioDecoderGeneration;
1198        notify->setInt32("generation", mAudioDecoderGeneration);
1199
1200        if (mOffloadAudio) {
1201            *decoder = new DecoderPassThrough(notify);
1202        } else {
1203            *decoder = new Decoder(notify);
1204        }
1205    } else {
1206        sp<AMessage> notify = new AMessage(kWhatVideoNotify, id());
1207        ++mVideoDecoderGeneration;
1208        notify->setInt32("generation", mVideoDecoderGeneration);
1209
1210        *decoder = new Decoder(notify, mNativeWindow);
1211    }
1212    (*decoder)->init();
1213    (*decoder)->configure(format);
1214
1215    // allocate buffers to decrypt widevine source buffers
1216    if (!audio && (mSourceFlags & Source::FLAG_SECURE)) {
1217        Vector<sp<ABuffer> > inputBufs;
1218        CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK);
1219
1220        Vector<MediaBuffer *> mediaBufs;
1221        for (size_t i = 0; i < inputBufs.size(); i++) {
1222            const sp<ABuffer> &buffer = inputBufs[i];
1223            MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size());
1224            mediaBufs.push(mbuf);
1225        }
1226
1227        status_t err = mSource->setBuffers(audio, mediaBufs);
1228        if (err != OK) {
1229            for (size_t i = 0; i < mediaBufs.size(); ++i) {
1230                mediaBufs[i]->release();
1231            }
1232            mediaBufs.clear();
1233            ALOGE("Secure source didn't support secure mediaBufs.");
1234            return err;
1235        }
1236    }
1237    return OK;
1238}
1239
1240status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) {
1241    sp<AMessage> reply;
1242    CHECK(msg->findMessage("reply", &reply));
1243
1244    if ((audio && mFlushingAudio != NONE)
1245            || (!audio && mFlushingVideo != NONE)) {
1246        reply->setInt32("err", INFO_DISCONTINUITY);
1247        reply->post();
1248        return OK;
1249    }
1250
1251    sp<ABuffer> accessUnit;
1252
1253    bool dropAccessUnit;
1254    do {
1255        status_t err = mSource->dequeueAccessUnit(audio, &accessUnit);
1256
1257        if (err == -EWOULDBLOCK) {
1258            return err;
1259        } else if (err != OK) {
1260            if (err == INFO_DISCONTINUITY) {
1261                int32_t type;
1262                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
1263
1264                bool formatChange =
1265                    (audio &&
1266                     (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT))
1267                    || (!audio &&
1268                            (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT));
1269
1270                bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0;
1271
1272                ALOGI("%s discontinuity (formatChange=%d, time=%d)",
1273                     audio ? "audio" : "video", formatChange, timeChange);
1274
1275                if (audio) {
1276                    mSkipRenderingAudioUntilMediaTimeUs = -1;
1277                } else {
1278                    mSkipRenderingVideoUntilMediaTimeUs = -1;
1279                }
1280
1281                if (timeChange) {
1282                    sp<AMessage> extra;
1283                    if (accessUnit->meta()->findMessage("extra", &extra)
1284                            && extra != NULL) {
1285                        int64_t resumeAtMediaTimeUs;
1286                        if (extra->findInt64(
1287                                    "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
1288                            ALOGI("suppressing rendering of %s until %lld us",
1289                                    audio ? "audio" : "video", resumeAtMediaTimeUs);
1290
1291                            if (audio) {
1292                                mSkipRenderingAudioUntilMediaTimeUs =
1293                                    resumeAtMediaTimeUs;
1294                            } else {
1295                                mSkipRenderingVideoUntilMediaTimeUs =
1296                                    resumeAtMediaTimeUs;
1297                            }
1298                        }
1299                    }
1300                }
1301
1302                mTimeDiscontinuityPending =
1303                    mTimeDiscontinuityPending || timeChange;
1304
1305                bool seamlessFormatChange = false;
1306                sp<AMessage> newFormat = mSource->getFormat(audio);
1307                if (formatChange) {
1308                    seamlessFormatChange =
1309                        getDecoder(audio)->supportsSeamlessFormatChange(newFormat);
1310                    // treat seamless format change separately
1311                    formatChange = !seamlessFormatChange;
1312                }
1313                bool shutdownOrFlush = formatChange || timeChange;
1314
1315                // We want to queue up scan-sources only once per discontinuity.
1316                // We control this by doing it only if neither audio nor video are
1317                // flushing or shutting down.  (After handling 1st discontinuity, one
1318                // of the flushing states will not be NONE.)
1319                // No need to scan sources if this discontinuity does not result
1320                // in a flush or shutdown, as the flushing state will stay NONE.
1321                if (mFlushingAudio == NONE && mFlushingVideo == NONE &&
1322                        shutdownOrFlush) {
1323                    // And we'll resume scanning sources once we're done
1324                    // flushing.
1325                    mDeferredActions.push_front(
1326                            new SimpleAction(
1327                                &NuPlayer::performScanSources));
1328                }
1329
1330                if (formatChange /* not seamless */) {
1331                    // must change decoder
1332                    flushDecoder(audio, /* needShutdown = */ true);
1333                } else if (timeChange) {
1334                    // need to flush
1335                    flushDecoder(audio, /* needShutdown = */ false, newFormat);
1336                    err = OK;
1337                } else if (seamlessFormatChange) {
1338                    // reuse existing decoder and don't flush
1339                    updateDecoderFormatWithoutFlush(audio, newFormat);
1340                    err = OK;
1341                } else {
1342                    // This stream is unaffected by the discontinuity
1343                    return -EWOULDBLOCK;
1344                }
1345            }
1346
1347            reply->setInt32("err", err);
1348            reply->post();
1349            return OK;
1350        }
1351
1352        if (!audio) {
1353            ++mNumFramesTotal;
1354        }
1355
1356        dropAccessUnit = false;
1357        if (!audio
1358                && !(mSourceFlags & Source::FLAG_SECURE)
1359                && mVideoLateByUs > 100000ll
1360                && mVideoIsAVC
1361                && !IsAVCReferenceFrame(accessUnit)) {
1362            dropAccessUnit = true;
1363            ++mNumFramesDropped;
1364        }
1365    } while (dropAccessUnit);
1366
1367    // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video");
1368
1369#if 0
1370    int64_t mediaTimeUs;
1371    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
1372    ALOGV("feeding %s input buffer at media time %.2f secs",
1373         audio ? "audio" : "video",
1374         mediaTimeUs / 1E6);
1375#endif
1376
1377    if (!audio) {
1378        mCCDecoder->decode(accessUnit);
1379    }
1380
1381    reply->setBuffer("buffer", accessUnit);
1382    reply->post();
1383
1384    return OK;
1385}
1386
1387void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) {
1388    // ALOGV("renderBuffer %s", audio ? "audio" : "video");
1389
1390    sp<AMessage> reply;
1391    CHECK(msg->findMessage("reply", &reply));
1392
1393    if ((audio && mFlushingAudio != NONE)
1394            || (!audio && mFlushingVideo != NONE)) {
1395        // We're currently attempting to flush the decoder, in order
1396        // to complete this, the decoder wants all its buffers back,
1397        // so we don't want any output buffers it sent us (from before
1398        // we initiated the flush) to be stuck in the renderer's queue.
1399
1400        ALOGV("we're still flushing the %s decoder, sending its output buffer"
1401             " right back.", audio ? "audio" : "video");
1402
1403        reply->post();
1404        return;
1405    }
1406
1407    sp<ABuffer> buffer;
1408    CHECK(msg->findBuffer("buffer", &buffer));
1409
1410    int64_t mediaTimeUs;
1411    CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs));
1412
1413    int64_t &skipUntilMediaTimeUs =
1414        audio
1415            ? mSkipRenderingAudioUntilMediaTimeUs
1416            : mSkipRenderingVideoUntilMediaTimeUs;
1417
1418    if (skipUntilMediaTimeUs >= 0) {
1419
1420        if (mediaTimeUs < skipUntilMediaTimeUs) {
1421            ALOGV("dropping %s buffer at time %lld as requested.",
1422                 audio ? "audio" : "video",
1423                 mediaTimeUs);
1424
1425            reply->post();
1426            return;
1427        }
1428
1429        skipUntilMediaTimeUs = -1;
1430    }
1431
1432    if (!audio && mCCDecoder->isSelected()) {
1433        mCCDecoder->display(mediaTimeUs);
1434    }
1435
1436    mRenderer->queueBuffer(audio, buffer, reply);
1437}
1438
1439void NuPlayer::updateVideoSize(
1440        const sp<AMessage> &inputFormat,
1441        const sp<AMessage> &outputFormat) {
1442    if (inputFormat == NULL) {
1443        ALOGW("Unknown video size, reporting 0x0!");
1444        notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0);
1445        return;
1446    }
1447
1448    int32_t displayWidth, displayHeight;
1449    int32_t cropLeft, cropTop, cropRight, cropBottom;
1450
1451    if (outputFormat != NULL) {
1452        int32_t width, height;
1453        CHECK(outputFormat->findInt32("width", &width));
1454        CHECK(outputFormat->findInt32("height", &height));
1455
1456        int32_t cropLeft, cropTop, cropRight, cropBottom;
1457        CHECK(outputFormat->findRect(
1458                    "crop",
1459                    &cropLeft, &cropTop, &cropRight, &cropBottom));
1460
1461        displayWidth = cropRight - cropLeft + 1;
1462        displayHeight = cropBottom - cropTop + 1;
1463
1464        ALOGV("Video output format changed to %d x %d "
1465             "(crop: %d x %d @ (%d, %d))",
1466             width, height,
1467             displayWidth,
1468             displayHeight,
1469             cropLeft, cropTop);
1470    } else {
1471        CHECK(inputFormat->findInt32("width", &displayWidth));
1472        CHECK(inputFormat->findInt32("height", &displayHeight));
1473
1474        ALOGV("Video input format %d x %d", displayWidth, displayHeight);
1475    }
1476
1477    // Take into account sample aspect ratio if necessary:
1478    int32_t sarWidth, sarHeight;
1479    if (inputFormat->findInt32("sar-width", &sarWidth)
1480            && inputFormat->findInt32("sar-height", &sarHeight)) {
1481        ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight);
1482
1483        displayWidth = (displayWidth * sarWidth) / sarHeight;
1484
1485        ALOGV("display dimensions %d x %d", displayWidth, displayHeight);
1486    }
1487
1488    int32_t rotationDegrees;
1489    if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) {
1490        rotationDegrees = 0;
1491    }
1492
1493    if (rotationDegrees == 90 || rotationDegrees == 270) {
1494        int32_t tmp = displayWidth;
1495        displayWidth = displayHeight;
1496        displayHeight = tmp;
1497    }
1498
1499    notifyListener(
1500            MEDIA_SET_VIDEO_SIZE,
1501            displayWidth,
1502            displayHeight);
1503}
1504
1505void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) {
1506    if (mDriver == NULL) {
1507        return;
1508    }
1509
1510    sp<NuPlayerDriver> driver = mDriver.promote();
1511
1512    if (driver == NULL) {
1513        return;
1514    }
1515
1516    driver->notifyListener(msg, ext1, ext2, in);
1517}
1518
1519void NuPlayer::flushDecoder(
1520        bool audio, bool needShutdown, const sp<AMessage> &newFormat) {
1521    ALOGV("[%s] flushDecoder needShutdown=%d",
1522          audio ? "audio" : "video", needShutdown);
1523
1524    const sp<Decoder> &decoder = getDecoder(audio);
1525    if (decoder == NULL) {
1526        ALOGI("flushDecoder %s without decoder present",
1527             audio ? "audio" : "video");
1528        return;
1529    }
1530
1531    // Make sure we don't continue to scan sources until we finish flushing.
1532    ++mScanSourcesGeneration;
1533    mScanSourcesPending = false;
1534
1535    decoder->signalFlush(newFormat);
1536    mRenderer->flush(audio);
1537
1538    FlushStatus newStatus =
1539        needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
1540
1541    if (audio) {
1542        ALOGE_IF(mFlushingAudio != NONE,
1543                "audio flushDecoder() is called in state %d", mFlushingAudio);
1544        mFlushingAudio = newStatus;
1545    } else {
1546        ALOGE_IF(mFlushingVideo != NONE,
1547                "video flushDecoder() is called in state %d", mFlushingVideo);
1548        mFlushingVideo = newStatus;
1549    }
1550}
1551
1552void NuPlayer::updateDecoderFormatWithoutFlush(
1553        bool audio, const sp<AMessage> &format) {
1554    ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video");
1555
1556    const sp<Decoder> &decoder = getDecoder(audio);
1557    if (decoder == NULL) {
1558        ALOGI("updateDecoderFormatWithoutFlush %s without decoder present",
1559             audio ? "audio" : "video");
1560        return;
1561    }
1562
1563    decoder->signalUpdateFormat(format);
1564}
1565
1566void NuPlayer::queueDecoderShutdown(
1567        bool audio, bool video, const sp<AMessage> &reply) {
1568    ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
1569
1570    mDeferredActions.push_back(
1571            new ShutdownDecoderAction(audio, video));
1572
1573    mDeferredActions.push_back(
1574            new SimpleAction(&NuPlayer::performScanSources));
1575
1576    mDeferredActions.push_back(new PostMessageAction(reply));
1577
1578    processDeferredActions();
1579}
1580
1581status_t NuPlayer::setVideoScalingMode(int32_t mode) {
1582    mVideoScalingMode = mode;
1583    if (mNativeWindow != NULL) {
1584        status_t ret = native_window_set_scaling_mode(
1585                mNativeWindow->getNativeWindow().get(), mVideoScalingMode);
1586        if (ret != OK) {
1587            ALOGE("Failed to set scaling mode (%d): %s",
1588                -ret, strerror(-ret));
1589            return ret;
1590        }
1591    }
1592    return OK;
1593}
1594
1595status_t NuPlayer::getTrackInfo(Parcel* reply) const {
1596    sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id());
1597    msg->setPointer("reply", reply);
1598
1599    sp<AMessage> response;
1600    status_t err = msg->postAndAwaitResponse(&response);
1601    return err;
1602}
1603
1604status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const {
1605    sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id());
1606    msg->setPointer("reply", reply);
1607    msg->setInt32("type", type);
1608
1609    sp<AMessage> response;
1610    status_t err = msg->postAndAwaitResponse(&response);
1611    if (err == OK && response != NULL) {
1612        CHECK(response->findInt32("err", &err));
1613    }
1614    return err;
1615}
1616
1617status_t NuPlayer::selectTrack(size_t trackIndex, bool select) {
1618    sp<AMessage> msg = new AMessage(kWhatSelectTrack, id());
1619    msg->setSize("trackIndex", trackIndex);
1620    msg->setInt32("select", select);
1621
1622    sp<AMessage> response;
1623    status_t err = msg->postAndAwaitResponse(&response);
1624
1625    if (err != OK) {
1626        return err;
1627    }
1628
1629    if (!response->findInt32("err", &err)) {
1630        err = OK;
1631    }
1632
1633    return err;
1634}
1635
1636void NuPlayer::schedulePollDuration() {
1637    sp<AMessage> msg = new AMessage(kWhatPollDuration, id());
1638    msg->setInt32("generation", mPollDurationGeneration);
1639    msg->post();
1640}
1641
1642void NuPlayer::cancelPollDuration() {
1643    ++mPollDurationGeneration;
1644}
1645
1646void NuPlayer::processDeferredActions() {
1647    while (!mDeferredActions.empty()) {
1648        // We won't execute any deferred actions until we're no longer in
1649        // an intermediate state, i.e. one more more decoders are currently
1650        // flushing or shutting down.
1651
1652        if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
1653            // We're currently flushing, postpone the reset until that's
1654            // completed.
1655
1656            ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d",
1657                  mFlushingAudio, mFlushingVideo);
1658
1659            break;
1660        }
1661
1662        sp<Action> action = *mDeferredActions.begin();
1663        mDeferredActions.erase(mDeferredActions.begin());
1664
1665        action->execute(this);
1666    }
1667}
1668
1669void NuPlayer::performSeek(int64_t seekTimeUs) {
1670    ALOGV("performSeek seekTimeUs=%lld us (%.2f secs)",
1671          seekTimeUs,
1672          seekTimeUs / 1E6);
1673
1674    if (mSource == NULL) {
1675        // This happens when reset occurs right before the loop mode
1676        // asynchronously seeks to the start of the stream.
1677        LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL,
1678                "mSource is NULL and decoders not NULL audio(%p) video(%p)",
1679                mAudioDecoder.get(), mVideoDecoder.get());
1680        return;
1681    }
1682    mSource->seekTo(seekTimeUs);
1683    ++mTimedTextGeneration;
1684
1685    if (mDriver != NULL) {
1686        sp<NuPlayerDriver> driver = mDriver.promote();
1687        if (driver != NULL) {
1688            driver->notifyPosition(seekTimeUs);
1689            driver->notifySeekComplete();
1690        }
1691    }
1692
1693    // everything's flushed, continue playback.
1694}
1695
1696void NuPlayer::performDecoderFlush() {
1697    ALOGV("performDecoderFlush");
1698
1699    if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
1700        return;
1701    }
1702
1703    mTimeDiscontinuityPending = true;
1704
1705    if (mAudioDecoder != NULL) {
1706        flushDecoder(true /* audio */, false /* needShutdown */);
1707    }
1708
1709    if (mVideoDecoder != NULL) {
1710        flushDecoder(false /* audio */, false /* needShutdown */);
1711    }
1712}
1713
1714void NuPlayer::performDecoderShutdown(bool audio, bool video) {
1715    ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video);
1716
1717    if ((!audio || mAudioDecoder == NULL)
1718            && (!video || mVideoDecoder == NULL)) {
1719        return;
1720    }
1721
1722    mTimeDiscontinuityPending = true;
1723
1724    if (audio && mAudioDecoder != NULL) {
1725        flushDecoder(true /* audio */, true /* needShutdown */);
1726    }
1727
1728    if (video && mVideoDecoder != NULL) {
1729        flushDecoder(false /* audio */, true /* needShutdown */);
1730    }
1731}
1732
1733void NuPlayer::performReset() {
1734    ALOGV("performReset");
1735
1736    CHECK(mAudioDecoder == NULL);
1737    CHECK(mVideoDecoder == NULL);
1738
1739    cancelPollDuration();
1740
1741    ++mScanSourcesGeneration;
1742    mScanSourcesPending = false;
1743
1744    if (mRendererLooper != NULL) {
1745        if (mRenderer != NULL) {
1746            mRendererLooper->unregisterHandler(mRenderer->id());
1747        }
1748        mRendererLooper->stop();
1749        mRendererLooper.clear();
1750    }
1751    mRenderer.clear();
1752
1753    if (mSource != NULL) {
1754        mSource->stop();
1755
1756        mSource.clear();
1757    }
1758
1759    if (mDriver != NULL) {
1760        sp<NuPlayerDriver> driver = mDriver.promote();
1761        if (driver != NULL) {
1762            driver->notifyResetComplete();
1763        }
1764    }
1765
1766    mStarted = false;
1767}
1768
1769void NuPlayer::performScanSources() {
1770    ALOGV("performScanSources");
1771
1772    if (!mStarted) {
1773        return;
1774    }
1775
1776    if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
1777        postScanSources();
1778    }
1779}
1780
1781void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) {
1782    ALOGV("performSetSurface");
1783
1784    mNativeWindow = wrapper;
1785
1786    // XXX - ignore error from setVideoScalingMode for now
1787    setVideoScalingMode(mVideoScalingMode);
1788
1789    if (mDriver != NULL) {
1790        sp<NuPlayerDriver> driver = mDriver.promote();
1791        if (driver != NULL) {
1792            driver->notifySetSurfaceComplete();
1793        }
1794    }
1795}
1796
1797void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
1798    int32_t what;
1799    CHECK(msg->findInt32("what", &what));
1800
1801    switch (what) {
1802        case Source::kWhatPrepared:
1803        {
1804            if (mSource == NULL) {
1805                // This is a stale notification from a source that was
1806                // asynchronously preparing when the client called reset().
1807                // We handled the reset, the source is gone.
1808                break;
1809            }
1810
1811            int32_t err;
1812            CHECK(msg->findInt32("err", &err));
1813
1814            sp<NuPlayerDriver> driver = mDriver.promote();
1815            if (driver != NULL) {
1816                // notify duration first, so that it's definitely set when
1817                // the app received the "prepare complete" callback.
1818                int64_t durationUs;
1819                if (mSource->getDuration(&durationUs) == OK) {
1820                    driver->notifyDuration(durationUs);
1821                }
1822                driver->notifyPrepareCompleted(err);
1823            }
1824
1825            break;
1826        }
1827
1828        case Source::kWhatFlagsChanged:
1829        {
1830            uint32_t flags;
1831            CHECK(msg->findInt32("flags", (int32_t *)&flags));
1832
1833            sp<NuPlayerDriver> driver = mDriver.promote();
1834            if (driver != NULL) {
1835                driver->notifyFlagsChanged(flags);
1836            }
1837
1838            if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1839                    && (!(flags & Source::FLAG_DYNAMIC_DURATION))) {
1840                cancelPollDuration();
1841            } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
1842                    && (flags & Source::FLAG_DYNAMIC_DURATION)
1843                    && (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
1844                schedulePollDuration();
1845            }
1846
1847            mSourceFlags = flags;
1848            break;
1849        }
1850
1851        case Source::kWhatVideoSizeChanged:
1852        {
1853            sp<AMessage> format;
1854            CHECK(msg->findMessage("format", &format));
1855
1856            updateVideoSize(format);
1857            break;
1858        }
1859
1860        case Source::kWhatBufferingUpdate:
1861        {
1862            int32_t percentage;
1863            CHECK(msg->findInt32("percentage", &percentage));
1864
1865            notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0);
1866            break;
1867        }
1868
1869        case Source::kWhatBufferingStart:
1870        {
1871            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0);
1872            break;
1873        }
1874
1875        case Source::kWhatBufferingEnd:
1876        {
1877            notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0);
1878            break;
1879        }
1880
1881        case Source::kWhatSubtitleData:
1882        {
1883            sp<ABuffer> buffer;
1884            CHECK(msg->findBuffer("buffer", &buffer));
1885
1886            sendSubtitleData(buffer, 0 /* baseIndex */);
1887            break;
1888        }
1889
1890        case Source::kWhatTimedTextData:
1891        {
1892            int32_t generation;
1893            if (msg->findInt32("generation", &generation)
1894                    && generation != mTimedTextGeneration) {
1895                break;
1896            }
1897
1898            sp<ABuffer> buffer;
1899            CHECK(msg->findBuffer("buffer", &buffer));
1900
1901            sp<NuPlayerDriver> driver = mDriver.promote();
1902            if (driver == NULL) {
1903                break;
1904            }
1905
1906            int posMs;
1907            int64_t timeUs, posUs;
1908            driver->getCurrentPosition(&posMs);
1909            posUs = posMs * 1000;
1910            CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1911
1912            if (posUs < timeUs) {
1913                if (!msg->findInt32("generation", &generation)) {
1914                    msg->setInt32("generation", mTimedTextGeneration);
1915                }
1916                msg->post(timeUs - posUs);
1917            } else {
1918                sendTimedTextData(buffer);
1919            }
1920            break;
1921        }
1922
1923        case Source::kWhatQueueDecoderShutdown:
1924        {
1925            int32_t audio, video;
1926            CHECK(msg->findInt32("audio", &audio));
1927            CHECK(msg->findInt32("video", &video));
1928
1929            sp<AMessage> reply;
1930            CHECK(msg->findMessage("reply", &reply));
1931
1932            queueDecoderShutdown(audio, video, reply);
1933            break;
1934        }
1935
1936        case Source::kWhatDrmNoLicense:
1937        {
1938            notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE);
1939            break;
1940        }
1941
1942        default:
1943            TRESPASS();
1944    }
1945}
1946
1947void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) {
1948    int32_t what;
1949    CHECK(msg->findInt32("what", &what));
1950
1951    switch (what) {
1952        case NuPlayer::CCDecoder::kWhatClosedCaptionData:
1953        {
1954            sp<ABuffer> buffer;
1955            CHECK(msg->findBuffer("buffer", &buffer));
1956
1957            size_t inbandTracks = 0;
1958            if (mSource != NULL) {
1959                inbandTracks = mSource->getTrackCount();
1960            }
1961
1962            sendSubtitleData(buffer, inbandTracks);
1963            break;
1964        }
1965
1966        case NuPlayer::CCDecoder::kWhatTrackAdded:
1967        {
1968            notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
1969
1970            break;
1971        }
1972
1973        default:
1974            TRESPASS();
1975    }
1976
1977
1978}
1979
1980void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) {
1981    int32_t trackIndex;
1982    int64_t timeUs, durationUs;
1983    CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex));
1984    CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
1985    CHECK(buffer->meta()->findInt64("durationUs", &durationUs));
1986
1987    Parcel in;
1988    in.writeInt32(trackIndex + baseIndex);
1989    in.writeInt64(timeUs);
1990    in.writeInt64(durationUs);
1991    in.writeInt32(buffer->size());
1992    in.writeInt32(buffer->size());
1993    in.write(buffer->data(), buffer->size());
1994
1995    notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
1996}
1997
1998void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) {
1999    const void *data;
2000    size_t size = 0;
2001    int64_t timeUs;
2002    int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS;
2003
2004    AString mime;
2005    CHECK(buffer->meta()->findString("mime", &mime));
2006    CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0);
2007
2008    data = buffer->data();
2009    size = buffer->size();
2010
2011    Parcel parcel;
2012    if (size > 0) {
2013        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2014        flag |= TextDescriptions::IN_BAND_TEXT_3GPP;
2015        TextDescriptions::getParcelOfDescriptions(
2016                (const uint8_t *)data, size, flag, timeUs / 1000, &parcel);
2017    }
2018
2019    if ((parcel.dataSize() > 0)) {
2020        notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel);
2021    } else {  // send an empty timed text
2022        notifyListener(MEDIA_TIMED_TEXT, 0, 0);
2023    }
2024}
2025////////////////////////////////////////////////////////////////////////////////
2026
2027sp<AMessage> NuPlayer::Source::getFormat(bool audio) {
2028    sp<MetaData> meta = getFormatMeta(audio);
2029
2030    if (meta == NULL) {
2031        return NULL;
2032    }
2033
2034    sp<AMessage> msg = new AMessage;
2035
2036    if(convertMetaDataToMessage(meta, &msg) == OK) {
2037        return msg;
2038    }
2039    return NULL;
2040}
2041
2042void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) {
2043    sp<AMessage> notify = dupNotify();
2044    notify->setInt32("what", kWhatFlagsChanged);
2045    notify->setInt32("flags", flags);
2046    notify->post();
2047}
2048
2049void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) {
2050    sp<AMessage> notify = dupNotify();
2051    notify->setInt32("what", kWhatVideoSizeChanged);
2052    notify->setMessage("format", format);
2053    notify->post();
2054}
2055
2056void NuPlayer::Source::notifyPrepared(status_t err) {
2057    sp<AMessage> notify = dupNotify();
2058    notify->setInt32("what", kWhatPrepared);
2059    notify->setInt32("err", err);
2060    notify->post();
2061}
2062
2063void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) {
2064    TRESPASS();
2065}
2066
2067}  // namespace android
2068