NuPlayerDriver.cpp revision 8a092d306e3fb228628506ffd73d9d9f0387f271 
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    return start_l();
247}
248
249status_t NuPlayerDriver::start_l() {
250    switch (mState) {
251        case STATE_UNPREPARED:
252        {
253            status_t err = prepare_l();
254
255            if (err != OK) {
256                return err;
257            }
258
259            CHECK_EQ(mState, STATE_PREPARED);
260
261            // fall through
262        }
263
264        case STATE_PAUSED:
265        case STATE_STOPPED_AND_PREPARED:
266        case STATE_PREPARED:
267        {
268            mPlayer->start();
269
270            // fall through
271        }
272
273        case STATE_RUNNING:
274        {
275            if (mAtEOS) {
276                mPlayer->seekToAsync(0);
277                mAtEOS = false;
278                mPositionUs = -1;
279            }
280            break;
281        }
282
283        default:
284            return INVALID_OPERATION;
285    }
286
287    mState = STATE_RUNNING;
288
289    return OK;
290}
291
292status_t NuPlayerDriver::stop() {
293    ALOGD("stop(%p)", this);
294    Mutex::Autolock autoLock(mLock);
295
296    switch (mState) {
297        case STATE_RUNNING:
298            mPlayer->pause();
299            // fall through
300
301        case STATE_PAUSED:
302            mState = STATE_STOPPED;
303            notifyListener_l(MEDIA_STOPPED);
304            break;
305
306        case STATE_PREPARED:
307        case STATE_STOPPED:
308        case STATE_STOPPED_AND_PREPARING:
309        case STATE_STOPPED_AND_PREPARED:
310            mState = STATE_STOPPED;
311            break;
312
313        default:
314            return INVALID_OPERATION;
315    }
316
317    return OK;
318}
319
320status_t NuPlayerDriver::pause() {
321    ALOGD("pause(%p)", this);
322    // The NuPlayerRenderer may get flushed if pause for long enough, e.g. the pause timeout tear
323    // down for audio offload mode. If that happens, the NuPlayerRenderer will no longer know the
324    // current position. So similar to seekTo, update |mPositionUs| to the pause position by calling
325    // getCurrentPosition here.
326    int unused;
327    getCurrentPosition(&unused);
328
329    Mutex::Autolock autoLock(mLock);
330
331    switch (mState) {
332        case STATE_PAUSED:
333        case STATE_PREPARED:
334            return OK;
335
336        case STATE_RUNNING:
337            mState = STATE_PAUSED;
338            notifyListener_l(MEDIA_PAUSED);
339            mPlayer->pause();
340            break;
341
342        default:
343            return INVALID_OPERATION;
344    }
345
346    return OK;
347}
348
349bool NuPlayerDriver::isPlaying() {
350    return mState == STATE_RUNNING && !mAtEOS;
351}
352
353status_t NuPlayerDriver::setPlaybackSettings(const AudioPlaybackRate &rate) {
354    status_t err = mPlayer->setPlaybackSettings(rate);
355    if (err == OK) {
356        // try to update position
357        int unused;
358        getCurrentPosition(&unused);
359        Mutex::Autolock autoLock(mLock);
360        if (rate.mSpeed == 0.f && mState == STATE_RUNNING) {
361            mState = STATE_PAUSED;
362            notifyListener_l(MEDIA_PAUSED);
363        } else if (rate.mSpeed != 0.f
364                && (mState == STATE_PAUSED
365                    || mState == STATE_STOPPED_AND_PREPARED
366                    || mState == STATE_PREPARED)) {
367            err = start_l();
368        }
369    }
370    return err;
371}
372
373status_t NuPlayerDriver::getPlaybackSettings(AudioPlaybackRate *rate) {
374    return mPlayer->getPlaybackSettings(rate);
375}
376
377status_t NuPlayerDriver::setSyncSettings(const AVSyncSettings &sync, float videoFpsHint) {
378    return mPlayer->setSyncSettings(sync, videoFpsHint);
379}
380
381status_t NuPlayerDriver::getSyncSettings(AVSyncSettings *sync, float *videoFps) {
382    return mPlayer->getSyncSettings(sync, videoFps);
383}
384
385status_t NuPlayerDriver::seekTo(int msec) {
386    ALOGD("seekTo(%p) %d ms at state %d", this, msec, mState);
387    Mutex::Autolock autoLock(mLock);
388
389    int64_t seekTimeUs = msec * 1000ll;
390
391    switch (mState) {
392        case STATE_PREPARED:
393        case STATE_STOPPED_AND_PREPARED:
394        case STATE_PAUSED:
395        case STATE_RUNNING:
396        {
397            mAtEOS = false;
398            mSeekInProgress = true;
399            // seeks can take a while, so we essentially paused
400            notifyListener_l(MEDIA_PAUSED);
401            mPlayer->seekToAsync(seekTimeUs, true /* needNotify */);
402            break;
403        }
404
405        default:
406            return INVALID_OPERATION;
407    }
408
409    mPositionUs = seekTimeUs;
410    return OK;
411}
412
413status_t NuPlayerDriver::getCurrentPosition(int *msec) {
414    int64_t tempUs = 0;
415    {
416        Mutex::Autolock autoLock(mLock);
417        if (mSeekInProgress || (mState == STATE_PAUSED && !mAtEOS)) {
418            tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
419            *msec = (int)divRound(tempUs, (int64_t)(1000));
420            return OK;
421        }
422    }
423
424    status_t ret = mPlayer->getCurrentPosition(&tempUs);
425
426    Mutex::Autolock autoLock(mLock);
427    // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
428    // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
429    // position value that's different the seek to position.
430    if (ret != OK) {
431        tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
432    } else {
433        mPositionUs = tempUs;
434    }
435    *msec = (int)divRound(tempUs, (int64_t)(1000));
436    return OK;
437}
438
439status_t NuPlayerDriver::getDuration(int *msec) {
440    Mutex::Autolock autoLock(mLock);
441
442    if (mDurationUs < 0) {
443        return UNKNOWN_ERROR;
444    }
445
446    *msec = (mDurationUs + 500ll) / 1000;
447
448    return OK;
449}
450
451status_t NuPlayerDriver::reset() {
452    ALOGD("reset(%p) at state %d", this, mState);
453    Mutex::Autolock autoLock(mLock);
454
455    switch (mState) {
456        case STATE_IDLE:
457            return OK;
458
459        case STATE_SET_DATASOURCE_PENDING:
460        case STATE_RESET_IN_PROGRESS:
461            return INVALID_OPERATION;
462
463        case STATE_PREPARING:
464        {
465            CHECK(mIsAsyncPrepare);
466
467            notifyListener_l(MEDIA_PREPARED);
468            break;
469        }
470
471        default:
472            break;
473    }
474
475    if (mState != STATE_STOPPED) {
476        notifyListener_l(MEDIA_STOPPED);
477    }
478
479    char value[PROPERTY_VALUE_MAX];
480    if (property_get("persist.debug.sf.stats", value, NULL) &&
481            (!strcmp("1", value) || !strcasecmp("true", value))) {
482        Vector<String16> args;
483        dump(-1, args);
484    }
485
486    mState = STATE_RESET_IN_PROGRESS;
487    mPlayer->resetAsync();
488
489    while (mState == STATE_RESET_IN_PROGRESS) {
490        mCondition.wait(mLock);
491    }
492
493    mDurationUs = -1;
494    mPositionUs = -1;
495    mLooping = false;
496
497    return OK;
498}
499
500status_t NuPlayerDriver::setLooping(int loop) {
501    mLooping = loop != 0;
502    return OK;
503}
504
505player_type NuPlayerDriver::playerType() {
506    return NU_PLAYER;
507}
508
509status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
510    if (reply == NULL) {
511        ALOGE("reply is a NULL pointer");
512        return BAD_VALUE;
513    }
514
515    int32_t methodId;
516    status_t ret = request.readInt32(&methodId);
517    if (ret != OK) {
518        ALOGE("Failed to retrieve the requested method to invoke");
519        return ret;
520    }
521
522    switch (methodId) {
523        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
524        {
525            int mode = request.readInt32();
526            return mPlayer->setVideoScalingMode(mode);
527        }
528
529        case INVOKE_ID_GET_TRACK_INFO:
530        {
531            return mPlayer->getTrackInfo(reply);
532        }
533
534        case INVOKE_ID_SELECT_TRACK:
535        {
536            int trackIndex = request.readInt32();
537            int msec = 0;
538            // getCurrentPosition should always return OK
539            getCurrentPosition(&msec);
540            return mPlayer->selectTrack(trackIndex, true /* select */, msec * 1000ll);
541        }
542
543        case INVOKE_ID_UNSELECT_TRACK:
544        {
545            int trackIndex = request.readInt32();
546            return mPlayer->selectTrack(trackIndex, false /* select */, 0xdeadbeef /* not used */);
547        }
548
549        case INVOKE_ID_GET_SELECTED_TRACK:
550        {
551            int32_t type = request.readInt32();
552            return mPlayer->getSelectedTrack(type, reply);
553        }
554
555        default:
556        {
557            return INVALID_OPERATION;
558        }
559    }
560}
561
562void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
563    mPlayer->setAudioSink(audioSink);
564    mAudioSink = audioSink;
565}
566
567status_t NuPlayerDriver::setParameter(
568        int /* key */, const Parcel & /* request */) {
569    return INVALID_OPERATION;
570}
571
572status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
573    return INVALID_OPERATION;
574}
575
576status_t NuPlayerDriver::getMetadata(
577        const media::Metadata::Filter& /* ids */, Parcel *records) {
578    Mutex::Autolock autoLock(mLock);
579
580    using media::Metadata;
581
582    Metadata meta(records);
583
584    meta.appendBool(
585            Metadata::kPauseAvailable,
586            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
587
588    meta.appendBool(
589            Metadata::kSeekBackwardAvailable,
590            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
591
592    meta.appendBool(
593            Metadata::kSeekForwardAvailable,
594            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
595
596    meta.appendBool(
597            Metadata::kSeekAvailable,
598            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
599
600    return OK;
601}
602
603void NuPlayerDriver::notifyResetComplete() {
604    ALOGD("notifyResetComplete(%p)", this);
605    Mutex::Autolock autoLock(mLock);
606
607    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
608    mState = STATE_IDLE;
609    mCondition.broadcast();
610}
611
612void NuPlayerDriver::notifySetSurfaceComplete() {
613    ALOGV("notifySetSurfaceComplete(%p)", this);
614    Mutex::Autolock autoLock(mLock);
615
616    CHECK(mSetSurfaceInProgress);
617    mSetSurfaceInProgress = false;
618
619    mCondition.broadcast();
620}
621
622void NuPlayerDriver::notifyDuration(int64_t durationUs) {
623    Mutex::Autolock autoLock(mLock);
624    mDurationUs = durationUs;
625}
626
627void NuPlayerDriver::notifySeekComplete() {
628    ALOGV("notifySeekComplete(%p)", this);
629    Mutex::Autolock autoLock(mLock);
630    mSeekInProgress = false;
631    notifySeekComplete_l();
632}
633
634void NuPlayerDriver::notifySeekComplete_l() {
635    bool wasSeeking = true;
636    if (mState == STATE_STOPPED_AND_PREPARING) {
637        wasSeeking = false;
638        mState = STATE_STOPPED_AND_PREPARED;
639        mCondition.broadcast();
640        if (!mIsAsyncPrepare) {
641            // if we are preparing synchronously, no need to notify listener
642            return;
643        }
644    } else if (mState == STATE_STOPPED) {
645        // no need to notify listener
646        return;
647    }
648    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
649}
650
651status_t NuPlayerDriver::dump(
652        int fd, const Vector<String16> & /* args */) const {
653
654    Vector<sp<AMessage> > trackStats;
655    mPlayer->getStats(&trackStats);
656
657    AString logString(" NuPlayer\n");
658    char buf[256] = {0};
659
660    for (size_t i = 0; i < trackStats.size(); ++i) {
661        const sp<AMessage> &stats = trackStats.itemAt(i);
662
663        AString mime;
664        if (stats->findString("mime", &mime)) {
665            snprintf(buf, sizeof(buf), "  mime(%s)\n", mime.c_str());
666            logString.append(buf);
667        }
668
669        AString name;
670        if (stats->findString("component-name", &name)) {
671            snprintf(buf, sizeof(buf), "    decoder(%s)\n", name.c_str());
672            logString.append(buf);
673        }
674
675        if (mime.startsWith("video/")) {
676            int32_t width, height;
677            if (stats->findInt32("width", &width)
678                    && stats->findInt32("height", &height)) {
679                snprintf(buf, sizeof(buf), "    resolution(%d x %d)\n", width, height);
680                logString.append(buf);
681            }
682
683            int64_t numFramesTotal = 0;
684            int64_t numFramesDropped = 0;
685
686            stats->findInt64("frames-total", &numFramesTotal);
687            stats->findInt64("frames-dropped-output", &numFramesDropped);
688            snprintf(buf, sizeof(buf), "    numFramesTotal(%lld), numFramesDropped(%lld), "
689                     "percentageDropped(%.2f%%)\n",
690                     (long long)numFramesTotal,
691                     (long long)numFramesDropped,
692                     numFramesTotal == 0
693                            ? 0.0 : (double)(numFramesDropped * 100) / numFramesTotal);
694            logString.append(buf);
695        }
696    }
697
698    ALOGI("%s", logString.c_str());
699
700    if (fd >= 0) {
701        FILE *out = fdopen(dup(fd), "w");
702        fprintf(out, "%s", logString.c_str());
703        fclose(out);
704        out = NULL;
705    }
706
707    return OK;
708}
709
710void NuPlayerDriver::notifyListener(
711        int msg, int ext1, int ext2, const Parcel *in) {
712    Mutex::Autolock autoLock(mLock);
713    notifyListener_l(msg, ext1, ext2, in);
714}
715
716void NuPlayerDriver::notifyListener_l(
717        int msg, int ext1, int ext2, const Parcel *in) {
718    ALOGD("notifyListener_l(%p), (%d, %d, %d), loop setting(%d, %d)",
719            this, msg, ext1, ext2, mAutoLoop, mLooping);
720    switch (msg) {
721        case MEDIA_PLAYBACK_COMPLETE:
722        {
723            if (mState != STATE_RESET_IN_PROGRESS) {
724                if (mAutoLoop) {
725                    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
726                    if (mAudioSink != NULL) {
727                        streamType = mAudioSink->getAudioStreamType();
728                    }
729                    if (streamType == AUDIO_STREAM_NOTIFICATION) {
730                        ALOGW("disabling auto-loop for notification");
731                        mAutoLoop = false;
732                    }
733                }
734                if (mLooping || mAutoLoop) {
735                    mPlayer->seekToAsync(0);
736                    if (mAudioSink != NULL) {
737                        // The renderer has stopped the sink at the end in order to play out
738                        // the last little bit of audio. If we're looping, we need to restart it.
739                        mAudioSink->start();
740                    }
741                    // don't send completion event when looping
742                    return;
743                }
744
745                mPlayer->pause();
746                mState = STATE_PAUSED;
747            }
748            // fall through
749        }
750
751        case MEDIA_ERROR:
752        {
753            mAtEOS = true;
754            break;
755        }
756
757        default:
758            break;
759    }
760
761    mLock.unlock();
762    sendEvent(msg, ext1, ext2, in);
763    mLock.lock();
764}
765
766void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
767    Mutex::Autolock autoLock(mLock);
768
769    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
770
771    mAsyncResult = err;
772    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
773    mCondition.broadcast();
774}
775
776void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
777    Mutex::Autolock autoLock(mLock);
778
779    if (mState != STATE_PREPARING) {
780        // We were preparing asynchronously when the client called
781        // reset(), we sent a premature "prepared" notification and
782        // then initiated the reset. This notification is stale.
783        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
784        return;
785    }
786
787    CHECK_EQ(mState, STATE_PREPARING);
788
789    mAsyncResult = err;
790
791    if (err == OK) {
792        // update state before notifying client, so that if client calls back into NuPlayerDriver
793        // in response, NuPlayerDriver has the right state
794        mState = STATE_PREPARED;
795        if (mIsAsyncPrepare) {
796            notifyListener_l(MEDIA_PREPARED);
797        }
798    } else {
799        mState = STATE_UNPREPARED;
800        if (mIsAsyncPrepare) {
801            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
802        }
803    }
804
805    sp<MetaData> meta = mPlayer->getFileMeta();
806    int32_t loop;
807    if (meta != NULL
808            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
809        mAutoLoop = true;
810    }
811
812    mCondition.broadcast();
813}
814
815void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
816    Mutex::Autolock autoLock(mLock);
817
818    mPlayerFlags = flags;
819}
820
821}  // namespace android
822