NuPlayerDriver.cpp revision 419187cec0ff4660a84524b1980c2a6b6f987272 
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 "NuPlayerDriver"
19#include <inttypes.h>
20#include <utils/Log.h>
21#include <cutils/properties.h>
22
23#include "NuPlayerDriver.h"
24
25#include "NuPlayer.h"
26#include "NuPlayerSource.h"
27
28#include <media/stagefright/foundation/ADebug.h>
29#include <media/stagefright/foundation/ALooper.h>
30#include <media/stagefright/foundation/AUtils.h>
31#include <media/stagefright/MetaData.h>
32#include <media/stagefright/Utils.h>
33
34namespace android {
35
36NuPlayerDriver::NuPlayerDriver(pid_t pid)
37    : mState(STATE_IDLE),
38      mIsAsyncPrepare(false),
39      mAsyncResult(UNKNOWN_ERROR),
40      mSetSurfaceInProgress(false),
41      mDurationUs(-1),
42      mPositionUs(-1),
43      mSeekInProgress(false),
44      mLooper(new ALooper),
45      mPlayerFlags(0),
46      mAtEOS(false),
47      mLooping(false),
48      mAutoLoop(false) {
49    ALOGV("NuPlayerDriver(%p)", this);
50    mLooper->setName("NuPlayerDriver Looper");
51
52    mLooper->start(
53            false, /* runOnCallingThread */
54            true,  /* canCallJava */
55            PRIORITY_AUDIO);
56
57    mPlayer = new NuPlayer(pid);
58    mLooper->registerHandler(mPlayer);
59
60    mPlayer->setDriver(this);
61}
62
63NuPlayerDriver::~NuPlayerDriver() {
64    ALOGV("~NuPlayerDriver(%p)", this);
65    mLooper->stop();
66}
67
68status_t NuPlayerDriver::initCheck() {
69    return OK;
70}
71
72status_t NuPlayerDriver::setUID(uid_t uid) {
73    mPlayer->setUID(uid);
74
75    return OK;
76}
77
78status_t NuPlayerDriver::setDataSource(
79        const sp<IMediaHTTPService> &httpService,
80        const char *url,
81        const KeyedVector<String8, String8> *headers) {
82    ALOGV("setDataSource(%p) url(%s)", this, uriDebugString(url, false).c_str());
83    Mutex::Autolock autoLock(mLock);
84
85    if (mState != STATE_IDLE) {
86        return INVALID_OPERATION;
87    }
88
89    mState = STATE_SET_DATASOURCE_PENDING;
90
91    mPlayer->setDataSourceAsync(httpService, url, headers);
92
93    while (mState == STATE_SET_DATASOURCE_PENDING) {
94        mCondition.wait(mLock);
95    }
96
97    return mAsyncResult;
98}
99
100status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) {
101    ALOGV("setDataSource(%p) file(%d)", this, fd);
102    Mutex::Autolock autoLock(mLock);
103
104    if (mState != STATE_IDLE) {
105        return INVALID_OPERATION;
106    }
107
108    mState = STATE_SET_DATASOURCE_PENDING;
109
110    mPlayer->setDataSourceAsync(fd, offset, length);
111
112    while (mState == STATE_SET_DATASOURCE_PENDING) {
113        mCondition.wait(mLock);
114    }
115
116    return mAsyncResult;
117}
118
119status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) {
120    ALOGV("setDataSource(%p) stream source", this);
121    Mutex::Autolock autoLock(mLock);
122
123    if (mState != STATE_IDLE) {
124        return INVALID_OPERATION;
125    }
126
127    mState = STATE_SET_DATASOURCE_PENDING;
128
129    mPlayer->setDataSourceAsync(source);
130
131    while (mState == STATE_SET_DATASOURCE_PENDING) {
132        mCondition.wait(mLock);
133    }
134
135    return mAsyncResult;
136}
137
138status_t NuPlayerDriver::setDataSource(const sp<DataSource> &source) {
139    ALOGV("setDataSource(%p) callback source", this);
140    Mutex::Autolock autoLock(mLock);
141
142    if (mState != STATE_IDLE) {
143        return INVALID_OPERATION;
144    }
145
146    mState = STATE_SET_DATASOURCE_PENDING;
147
148    mPlayer->setDataSourceAsync(source);
149
150    while (mState == STATE_SET_DATASOURCE_PENDING) {
151        mCondition.wait(mLock);
152    }
153
154    return mAsyncResult;
155}
156
157status_t NuPlayerDriver::setVideoSurfaceTexture(
158        const sp<IGraphicBufferProducer> &bufferProducer) {
159    ALOGV("setVideoSurfaceTexture(%p)", this);
160    Mutex::Autolock autoLock(mLock);
161
162    if (mSetSurfaceInProgress) {
163        return INVALID_OPERATION;
164    }
165
166    switch (mState) {
167        case STATE_SET_DATASOURCE_PENDING:
168        case STATE_RESET_IN_PROGRESS:
169            return INVALID_OPERATION;
170
171        default:
172            break;
173    }
174
175    mSetSurfaceInProgress = true;
176
177    mPlayer->setVideoSurfaceTextureAsync(bufferProducer);
178
179    while (mSetSurfaceInProgress) {
180        mCondition.wait(mLock);
181    }
182
183    return OK;
184}
185
186status_t NuPlayerDriver::prepare() {
187    ALOGV("prepare(%p)", this);
188    Mutex::Autolock autoLock(mLock);
189    return prepare_l();
190}
191
192status_t NuPlayerDriver::prepare_l() {
193    switch (mState) {
194        case STATE_UNPREPARED:
195            mState = STATE_PREPARING;
196
197            // Make sure we're not posting any notifications, success or
198            // failure information is only communicated through our result
199            // code.
200            mIsAsyncPrepare = false;
201            mPlayer->prepareAsync();
202            while (mState == STATE_PREPARING) {
203                mCondition.wait(mLock);
204            }
205            return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR;
206        case STATE_STOPPED:
207            // this is really just paused. handle as seek to start
208            mAtEOS = false;
209            mState = STATE_STOPPED_AND_PREPARING;
210            mIsAsyncPrepare = false;
211            mPlayer->seekToAsync(0, true /* needNotify */);
212            while (mState == STATE_STOPPED_AND_PREPARING) {
213                mCondition.wait(mLock);
214            }
215            return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR;
216        default:
217            return INVALID_OPERATION;
218    };
219}
220
221status_t NuPlayerDriver::prepareAsync() {
222    ALOGV("prepareAsync(%p)", this);
223    Mutex::Autolock autoLock(mLock);
224
225    switch (mState) {
226        case STATE_UNPREPARED:
227            mState = STATE_PREPARING;
228            mIsAsyncPrepare = true;
229            mPlayer->prepareAsync();
230            return OK;
231        case STATE_STOPPED:
232            // this is really just paused. handle as seek to start
233            mAtEOS = false;
234            mState = STATE_STOPPED_AND_PREPARING;
235            mIsAsyncPrepare = true;
236            mPlayer->seekToAsync(0, true /* needNotify */);
237            return OK;
238        default:
239            return INVALID_OPERATION;
240    };
241}
242
243status_t NuPlayerDriver::start() {
244    ALOGD("start(%p), state is %d, eos is %d", this, mState, mAtEOS);
245    Mutex::Autolock autoLock(mLock);
246
247    switch (mState) {
248        case STATE_UNPREPARED:
249        {
250            status_t err = prepare_l();
251
252            if (err != OK) {
253                return err;
254            }
255
256            CHECK_EQ(mState, STATE_PREPARED);
257
258            // fall through
259        }
260
261        case STATE_PAUSED:
262        case STATE_STOPPED_AND_PREPARED:
263        case STATE_PREPARED:
264        {
265            mPlayer->start();
266
267            // fall through
268        }
269
270        case STATE_RUNNING:
271        {
272            if (mAtEOS) {
273                mPlayer->seekToAsync(0);
274                mAtEOS = false;
275                mPositionUs = -1;
276            }
277            break;
278        }
279
280        default:
281            return INVALID_OPERATION;
282    }
283
284    mState = STATE_RUNNING;
285
286    return OK;
287}
288
289status_t NuPlayerDriver::stop() {
290    ALOGD("stop(%p)", this);
291    Mutex::Autolock autoLock(mLock);
292
293    switch (mState) {
294        case STATE_RUNNING:
295            mPlayer->pause();
296            // fall through
297
298        case STATE_PAUSED:
299            mState = STATE_STOPPED;
300            notifyListener_l(MEDIA_STOPPED);
301            break;
302
303        case STATE_PREPARED:
304        case STATE_STOPPED:
305        case STATE_STOPPED_AND_PREPARING:
306        case STATE_STOPPED_AND_PREPARED:
307            mState = STATE_STOPPED;
308            break;
309
310        default:
311            return INVALID_OPERATION;
312    }
313
314    return OK;
315}
316
317status_t NuPlayerDriver::pause() {
318    // The NuPlayerRenderer may get flushed if pause for long enough, e.g. the pause timeout tear
319    // down for audio offload mode. If that happens, the NuPlayerRenderer will no longer know the
320    // current position. So similar to seekTo, update |mPositionUs| to the pause position by calling
321    // getCurrentPosition here.
322    int unused;
323    getCurrentPosition(&unused);
324
325    Mutex::Autolock autoLock(mLock);
326
327    switch (mState) {
328        case STATE_PAUSED:
329        case STATE_PREPARED:
330            return OK;
331
332        case STATE_RUNNING:
333            mState = STATE_PAUSED;
334            notifyListener_l(MEDIA_PAUSED);
335            mPlayer->pause();
336            break;
337
338        default:
339            return INVALID_OPERATION;
340    }
341
342    return OK;
343}
344
345bool NuPlayerDriver::isPlaying() {
346    return mState == STATE_RUNNING && !mAtEOS;
347}
348
349status_t NuPlayerDriver::setPlaybackSettings(const AudioPlaybackRate &rate) {
350    status_t err = mPlayer->setPlaybackSettings(rate);
351    if (err == OK) {
352        // try to update position
353        int unused;
354        getCurrentPosition(&unused);
355        Mutex::Autolock autoLock(mLock);
356        if (rate.mSpeed == 0.f && mState == STATE_RUNNING) {
357            mState = STATE_PAUSED;
358            notifyListener_l(MEDIA_PAUSED);
359        } else if (rate.mSpeed != 0.f && mState == STATE_PAUSED) {
360            mState = STATE_RUNNING;
361        }
362    }
363    return err;
364}
365
366status_t NuPlayerDriver::getPlaybackSettings(AudioPlaybackRate *rate) {
367    return mPlayer->getPlaybackSettings(rate);
368}
369
370status_t NuPlayerDriver::setSyncSettings(const AVSyncSettings &sync, float videoFpsHint) {
371    return mPlayer->setSyncSettings(sync, videoFpsHint);
372}
373
374status_t NuPlayerDriver::getSyncSettings(AVSyncSettings *sync, float *videoFps) {
375    return mPlayer->getSyncSettings(sync, videoFps);
376}
377
378status_t NuPlayerDriver::seekTo(int msec) {
379    ALOGD("seekTo(%p) %d ms at state %d", this, msec, mState);
380    Mutex::Autolock autoLock(mLock);
381
382    int64_t seekTimeUs = msec * 1000ll;
383
384    switch (mState) {
385        case STATE_PREPARED:
386        case STATE_STOPPED_AND_PREPARED:
387        case STATE_PAUSED:
388        case STATE_RUNNING:
389        {
390            mAtEOS = false;
391            mSeekInProgress = true;
392            // seeks can take a while, so we essentially paused
393            notifyListener_l(MEDIA_PAUSED);
394            mPlayer->seekToAsync(seekTimeUs, true /* needNotify */);
395            break;
396        }
397
398        default:
399            return INVALID_OPERATION;
400    }
401
402    mPositionUs = seekTimeUs;
403    return OK;
404}
405
406status_t NuPlayerDriver::getCurrentPosition(int *msec) {
407    int64_t tempUs = 0;
408    {
409        Mutex::Autolock autoLock(mLock);
410        if (mSeekInProgress || (mState == STATE_PAUSED && !mAtEOS)) {
411            tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
412            *msec = (int)divRound(tempUs, (int64_t)(1000));
413            return OK;
414        }
415    }
416
417    status_t ret = mPlayer->getCurrentPosition(&tempUs);
418
419    Mutex::Autolock autoLock(mLock);
420    // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
421    // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
422    // position value that's different the seek to position.
423    if (ret != OK) {
424        tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
425    } else {
426        mPositionUs = tempUs;
427    }
428    *msec = (int)divRound(tempUs, (int64_t)(1000));
429    return OK;
430}
431
432status_t NuPlayerDriver::getDuration(int *msec) {
433    Mutex::Autolock autoLock(mLock);
434
435    if (mDurationUs < 0) {
436        return UNKNOWN_ERROR;
437    }
438
439    *msec = (mDurationUs + 500ll) / 1000;
440
441    return OK;
442}
443
444status_t NuPlayerDriver::reset() {
445    ALOGD("reset(%p) at state %d", this, mState);
446    Mutex::Autolock autoLock(mLock);
447
448    switch (mState) {
449        case STATE_IDLE:
450            return OK;
451
452        case STATE_SET_DATASOURCE_PENDING:
453        case STATE_RESET_IN_PROGRESS:
454            return INVALID_OPERATION;
455
456        case STATE_PREPARING:
457        {
458            CHECK(mIsAsyncPrepare);
459
460            notifyListener_l(MEDIA_PREPARED);
461            break;
462        }
463
464        default:
465            break;
466    }
467
468    if (mState != STATE_STOPPED) {
469        notifyListener_l(MEDIA_STOPPED);
470    }
471
472    char value[PROPERTY_VALUE_MAX];
473    if (property_get("persist.debug.sf.stats", value, NULL) &&
474            (!strcmp("1", value) || !strcasecmp("true", value))) {
475        Vector<String16> args;
476        dump(-1, args);
477    }
478
479    mState = STATE_RESET_IN_PROGRESS;
480    mPlayer->resetAsync();
481
482    while (mState == STATE_RESET_IN_PROGRESS) {
483        mCondition.wait(mLock);
484    }
485
486    mDurationUs = -1;
487    mPositionUs = -1;
488    mLooping = false;
489
490    return OK;
491}
492
493status_t NuPlayerDriver::setLooping(int loop) {
494    mLooping = loop != 0;
495    return OK;
496}
497
498player_type NuPlayerDriver::playerType() {
499    return NU_PLAYER;
500}
501
502status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
503    if (reply == NULL) {
504        ALOGE("reply is a NULL pointer");
505        return BAD_VALUE;
506    }
507
508    int32_t methodId;
509    status_t ret = request.readInt32(&methodId);
510    if (ret != OK) {
511        ALOGE("Failed to retrieve the requested method to invoke");
512        return ret;
513    }
514
515    switch (methodId) {
516        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
517        {
518            int mode = request.readInt32();
519            return mPlayer->setVideoScalingMode(mode);
520        }
521
522        case INVOKE_ID_GET_TRACK_INFO:
523        {
524            return mPlayer->getTrackInfo(reply);
525        }
526
527        case INVOKE_ID_SELECT_TRACK:
528        {
529            int trackIndex = request.readInt32();
530            int msec = 0;
531            // getCurrentPosition should always return OK
532            getCurrentPosition(&msec);
533            return mPlayer->selectTrack(trackIndex, true /* select */, msec * 1000ll);
534        }
535
536        case INVOKE_ID_UNSELECT_TRACK:
537        {
538            int trackIndex = request.readInt32();
539            return mPlayer->selectTrack(trackIndex, false /* select */, 0xdeadbeef /* not used */);
540        }
541
542        case INVOKE_ID_GET_SELECTED_TRACK:
543        {
544            int32_t type = request.readInt32();
545            return mPlayer->getSelectedTrack(type, reply);
546        }
547
548        default:
549        {
550            return INVALID_OPERATION;
551        }
552    }
553}
554
555void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
556    mPlayer->setAudioSink(audioSink);
557    mAudioSink = audioSink;
558}
559
560status_t NuPlayerDriver::setParameter(
561        int /* key */, const Parcel & /* request */) {
562    return INVALID_OPERATION;
563}
564
565status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
566    return INVALID_OPERATION;
567}
568
569status_t NuPlayerDriver::getMetadata(
570        const media::Metadata::Filter& /* ids */, Parcel *records) {
571    Mutex::Autolock autoLock(mLock);
572
573    using media::Metadata;
574
575    Metadata meta(records);
576
577    meta.appendBool(
578            Metadata::kPauseAvailable,
579            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
580
581    meta.appendBool(
582            Metadata::kSeekBackwardAvailable,
583            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
584
585    meta.appendBool(
586            Metadata::kSeekForwardAvailable,
587            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
588
589    meta.appendBool(
590            Metadata::kSeekAvailable,
591            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
592
593    return OK;
594}
595
596void NuPlayerDriver::notifyResetComplete() {
597    ALOGD("notifyResetComplete(%p)", this);
598    Mutex::Autolock autoLock(mLock);
599
600    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
601    mState = STATE_IDLE;
602    mCondition.broadcast();
603}
604
605void NuPlayerDriver::notifySetSurfaceComplete() {
606    ALOGV("notifySetSurfaceComplete(%p)", this);
607    Mutex::Autolock autoLock(mLock);
608
609    CHECK(mSetSurfaceInProgress);
610    mSetSurfaceInProgress = false;
611
612    mCondition.broadcast();
613}
614
615void NuPlayerDriver::notifyDuration(int64_t durationUs) {
616    Mutex::Autolock autoLock(mLock);
617    mDurationUs = durationUs;
618}
619
620void NuPlayerDriver::notifySeekComplete() {
621    ALOGV("notifySeekComplete(%p)", this);
622    Mutex::Autolock autoLock(mLock);
623    mSeekInProgress = false;
624    notifySeekComplete_l();
625}
626
627void NuPlayerDriver::notifySeekComplete_l() {
628    bool wasSeeking = true;
629    if (mState == STATE_STOPPED_AND_PREPARING) {
630        wasSeeking = false;
631        mState = STATE_STOPPED_AND_PREPARED;
632        mCondition.broadcast();
633        if (!mIsAsyncPrepare) {
634            // if we are preparing synchronously, no need to notify listener
635            return;
636        }
637    } else if (mState == STATE_STOPPED) {
638        // no need to notify listener
639        return;
640    }
641    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
642}
643
644status_t NuPlayerDriver::dump(
645        int fd, const Vector<String16> & /* args */) const {
646
647    Vector<sp<AMessage> > trackStats;
648    mPlayer->getStats(&trackStats);
649
650    AString logString(" NuPlayer\n");
651    char buf[256] = {0};
652
653    for (size_t i = 0; i < trackStats.size(); ++i) {
654        const sp<AMessage> &stats = trackStats.itemAt(i);
655
656        AString mime;
657        if (stats->findString("mime", &mime)) {
658            snprintf(buf, sizeof(buf), "  mime(%s)\n", mime.c_str());
659            logString.append(buf);
660        }
661
662        AString name;
663        if (stats->findString("component-name", &name)) {
664            snprintf(buf, sizeof(buf), "    decoder(%s)\n", name.c_str());
665            logString.append(buf);
666        }
667
668        if (mime.startsWith("video/")) {
669            int32_t width, height;
670            if (stats->findInt32("width", &width)
671                    && stats->findInt32("height", &height)) {
672                snprintf(buf, sizeof(buf), "    resolution(%d x %d)\n", width, height);
673                logString.append(buf);
674            }
675
676            int64_t numFramesTotal = 0;
677            int64_t numFramesDropped = 0;
678
679            stats->findInt64("frames-total", &numFramesTotal);
680            stats->findInt64("frames-dropped-output", &numFramesDropped);
681            snprintf(buf, sizeof(buf), "    numFramesTotal(%lld), numFramesDropped(%lld), "
682                     "percentageDropped(%.2f%%)\n",
683                     (long long)numFramesTotal,
684                     (long long)numFramesDropped,
685                     numFramesTotal == 0
686                            ? 0.0 : (double)(numFramesDropped * 100) / numFramesTotal);
687            logString.append(buf);
688        }
689    }
690
691    ALOGI("%s", logString.c_str());
692
693    if (fd >= 0) {
694        FILE *out = fdopen(dup(fd), "w");
695        fprintf(out, "%s", logString.c_str());
696        fclose(out);
697        out = NULL;
698    }
699
700    return OK;
701}
702
703void NuPlayerDriver::notifyListener(
704        int msg, int ext1, int ext2, const Parcel *in) {
705    Mutex::Autolock autoLock(mLock);
706    notifyListener_l(msg, ext1, ext2, in);
707}
708
709void NuPlayerDriver::notifyListener_l(
710        int msg, int ext1, int ext2, const Parcel *in) {
711    ALOGD("notifyListener_l(%p), (%d, %d, %d), loop setting(%d, %d)",
712            this, msg, ext1, ext2, mAutoLoop, mLooping);
713    switch (msg) {
714        case MEDIA_PLAYBACK_COMPLETE:
715        {
716            if (mState != STATE_RESET_IN_PROGRESS) {
717                if (mAutoLoop) {
718                    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
719                    if (mAudioSink != NULL) {
720                        streamType = mAudioSink->getAudioStreamType();
721                    }
722                    if (streamType == AUDIO_STREAM_NOTIFICATION) {
723                        ALOGW("disabling auto-loop for notification");
724                        mAutoLoop = false;
725                    }
726                }
727                if (mLooping || mAutoLoop) {
728                    mPlayer->seekToAsync(0);
729                    if (mAudioSink != NULL) {
730                        // The renderer has stopped the sink at the end in order to play out
731                        // the last little bit of audio. If we're looping, we need to restart it.
732                        mAudioSink->start();
733                    }
734                    // don't send completion event when looping
735                    return;
736                }
737
738                mPlayer->pause();
739                mState = STATE_PAUSED;
740            }
741            // fall through
742        }
743
744        case MEDIA_ERROR:
745        {
746            mAtEOS = true;
747            break;
748        }
749
750        default:
751            break;
752    }
753
754    mLock.unlock();
755    sendEvent(msg, ext1, ext2, in);
756    mLock.lock();
757}
758
759void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
760    Mutex::Autolock autoLock(mLock);
761
762    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
763
764    mAsyncResult = err;
765    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
766    mCondition.broadcast();
767}
768
769void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
770    Mutex::Autolock autoLock(mLock);
771
772    if (mState != STATE_PREPARING) {
773        // We were preparing asynchronously when the client called
774        // reset(), we sent a premature "prepared" notification and
775        // then initiated the reset. This notification is stale.
776        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
777        return;
778    }
779
780    CHECK_EQ(mState, STATE_PREPARING);
781
782    mAsyncResult = err;
783
784    if (err == OK) {
785        // update state before notifying client, so that if client calls back into NuPlayerDriver
786        // in response, NuPlayerDriver has the right state
787        mState = STATE_PREPARED;
788        if (mIsAsyncPrepare) {
789            notifyListener_l(MEDIA_PREPARED);
790        }
791    } else {
792        mState = STATE_UNPREPARED;
793        if (mIsAsyncPrepare) {
794            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
795        }
796    }
797
798    sp<MetaData> meta = mPlayer->getFileMeta();
799    int32_t loop;
800    if (meta != NULL
801            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
802        mAutoLoop = true;
803    }
804
805    mCondition.broadcast();
806}
807
808void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
809    Mutex::Autolock autoLock(mLock);
810
811    mPlayerFlags = flags;
812}
813
814}  // namespace android
815