NuPlayerDriver.cpp revision d3c28f66a48dd450f5f6d8a3ba92a40132bc45de 
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
22#include "NuPlayerDriver.h"
23
24#include "NuPlayer.h"
25#include "NuPlayerSource.h"
26
27#include <media/stagefright/foundation/ADebug.h>
28#include <media/stagefright/foundation/ALooper.h>
29#include <media/stagefright/foundation/AUtils.h>
30#include <media/stagefright/MetaData.h>
31#include <media/stagefright/Utils.h>
32
33namespace android {
34
35NuPlayerDriver::NuPlayerDriver()
36    : mState(STATE_IDLE),
37      mIsAsyncPrepare(false),
38      mAsyncResult(UNKNOWN_ERROR),
39      mSetSurfaceInProgress(false),
40      mDurationUs(-1),
41      mPositionUs(-1),
42      mSeekInProgress(false),
43      mLooper(new ALooper),
44      mPlayerFlags(0),
45      mAtEOS(false),
46      mLooping(false),
47      mAutoLoop(false),
48      mStartupSeekTimeUs(-1) {
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;
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)", this);
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        {
264            if (mAtEOS && mStartupSeekTimeUs < 0) {
265                mStartupSeekTimeUs = 0;
266                mPositionUs = -1;
267            }
268
269            // fall through
270        }
271
272        case STATE_PREPARED:
273        {
274            mAtEOS = false;
275            mPlayer->start();
276
277            if (mStartupSeekTimeUs >= 0) {
278                mPlayer->seekToAsync(mStartupSeekTimeUs);
279                mStartupSeekTimeUs = -1;
280            }
281            break;
282        }
283
284        case STATE_RUNNING:
285        {
286            if (mAtEOS) {
287                mPlayer->seekToAsync(0);
288                mAtEOS = false;
289                mPositionUs = -1;
290            }
291            break;
292        }
293
294        default:
295            return INVALID_OPERATION;
296    }
297
298    mState = STATE_RUNNING;
299
300    return OK;
301}
302
303status_t NuPlayerDriver::stop() {
304    ALOGD("stop(%p)", this);
305    Mutex::Autolock autoLock(mLock);
306
307    switch (mState) {
308        case STATE_RUNNING:
309            mPlayer->pause();
310            // fall through
311
312        case STATE_PAUSED:
313            mState = STATE_STOPPED;
314            notifyListener_l(MEDIA_STOPPED);
315            break;
316
317        case STATE_PREPARED:
318        case STATE_STOPPED:
319        case STATE_STOPPED_AND_PREPARING:
320        case STATE_STOPPED_AND_PREPARED:
321            mState = STATE_STOPPED;
322            break;
323
324        default:
325            return INVALID_OPERATION;
326    }
327
328    return OK;
329}
330
331status_t NuPlayerDriver::pause() {
332    // The NuPlayerRenderer may get flushed if pause for long enough, e.g. the pause timeout tear
333    // down for audio offload mode. If that happens, the NuPlayerRenderer will no longer know the
334    // current position. So similar to seekTo, update |mPositionUs| to the pause position by calling
335    // getCurrentPosition here.
336    int msec;
337    getCurrentPosition(&msec);
338
339    Mutex::Autolock autoLock(mLock);
340
341    switch (mState) {
342        case STATE_PAUSED:
343        case STATE_PREPARED:
344            return OK;
345
346        case STATE_RUNNING:
347            mState = STATE_PAUSED;
348            notifyListener_l(MEDIA_PAUSED);
349            mPlayer->pause();
350            break;
351
352        default:
353            return INVALID_OPERATION;
354    }
355
356    return OK;
357}
358
359bool NuPlayerDriver::isPlaying() {
360    return mState == STATE_RUNNING && !mAtEOS;
361}
362
363status_t NuPlayerDriver::setPlaybackRate(float rate) {
364    mPlayer->setPlaybackRate(rate);
365    return OK;
366}
367
368status_t NuPlayerDriver::seekTo(int msec) {
369    ALOGD("seekTo(%p) %d ms", this, msec);
370    Mutex::Autolock autoLock(mLock);
371
372    int64_t seekTimeUs = msec * 1000ll;
373
374    switch (mState) {
375        case STATE_PREPARED:
376        case STATE_STOPPED_AND_PREPARED:
377        {
378            mStartupSeekTimeUs = seekTimeUs;
379            // pretend that the seek completed. It will actually happen when starting playback.
380            // TODO: actually perform the seek here, so the player is ready to go at the new
381            // location
382            notifySeekComplete_l();
383            break;
384        }
385
386        case STATE_RUNNING:
387        case STATE_PAUSED:
388        {
389            mAtEOS = false;
390            mSeekInProgress = true;
391            if (mState == STATE_PAUSED) {
392               mStartupSeekTimeUs = seekTimeUs;
393            }
394            // seeks can take a while, so we essentially paused
395            notifyListener_l(MEDIA_PAUSED);
396            mPlayer->seekToAsync(seekTimeUs, true /* needNotify */);
397            break;
398        }
399
400        default:
401            return INVALID_OPERATION;
402    }
403
404    mPositionUs = seekTimeUs;
405    return OK;
406}
407
408status_t NuPlayerDriver::getCurrentPosition(int *msec) {
409    int64_t tempUs = 0;
410    {
411        Mutex::Autolock autoLock(mLock);
412        if (mSeekInProgress || mState == STATE_PAUSED) {
413            tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
414            *msec = (int)divRound(tempUs, (int64_t)(1000));
415            return OK;
416        }
417    }
418
419    status_t ret = mPlayer->getCurrentPosition(&tempUs);
420
421    Mutex::Autolock autoLock(mLock);
422    // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
423    // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
424    // position value that's different the seek to position.
425    if (ret != OK) {
426        tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
427    } else {
428        mPositionUs = tempUs;
429    }
430    *msec = (int)divRound(tempUs, (int64_t)(1000));
431    return OK;
432}
433
434status_t NuPlayerDriver::getDuration(int *msec) {
435    Mutex::Autolock autoLock(mLock);
436
437    if (mDurationUs < 0) {
438        return UNKNOWN_ERROR;
439    }
440
441    *msec = (mDurationUs + 500ll) / 1000;
442
443    return OK;
444}
445
446status_t NuPlayerDriver::reset() {
447    ALOGD("reset(%p)", this);
448    Mutex::Autolock autoLock(mLock);
449
450    switch (mState) {
451        case STATE_IDLE:
452            return OK;
453
454        case STATE_SET_DATASOURCE_PENDING:
455        case STATE_RESET_IN_PROGRESS:
456            return INVALID_OPERATION;
457
458        case STATE_PREPARING:
459        {
460            CHECK(mIsAsyncPrepare);
461
462            notifyListener_l(MEDIA_PREPARED);
463            break;
464        }
465
466        default:
467            break;
468    }
469
470    if (mState != STATE_STOPPED) {
471        notifyListener_l(MEDIA_STOPPED);
472    }
473
474    mState = STATE_RESET_IN_PROGRESS;
475    mPlayer->resetAsync();
476
477    while (mState == STATE_RESET_IN_PROGRESS) {
478        mCondition.wait(mLock);
479    }
480
481    mDurationUs = -1;
482    mPositionUs = -1;
483    mStartupSeekTimeUs = -1;
484    mLooping = false;
485
486    return OK;
487}
488
489status_t NuPlayerDriver::setLooping(int loop) {
490    mLooping = loop != 0;
491    return OK;
492}
493
494player_type NuPlayerDriver::playerType() {
495    return NU_PLAYER;
496}
497
498status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
499    if (reply == NULL) {
500        ALOGE("reply is a NULL pointer");
501        return BAD_VALUE;
502    }
503
504    int32_t methodId;
505    status_t ret = request.readInt32(&methodId);
506    if (ret != OK) {
507        ALOGE("Failed to retrieve the requested method to invoke");
508        return ret;
509    }
510
511    switch (methodId) {
512        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
513        {
514            int mode = request.readInt32();
515            return mPlayer->setVideoScalingMode(mode);
516        }
517
518        case INVOKE_ID_GET_TRACK_INFO:
519        {
520            return mPlayer->getTrackInfo(reply);
521        }
522
523        case INVOKE_ID_SELECT_TRACK:
524        {
525            int trackIndex = request.readInt32();
526            int msec = 0;
527            // getCurrentPosition should always return OK
528            getCurrentPosition(&msec);
529            return mPlayer->selectTrack(trackIndex, true /* select */, msec * 1000ll);
530        }
531
532        case INVOKE_ID_UNSELECT_TRACK:
533        {
534            int trackIndex = request.readInt32();
535            return mPlayer->selectTrack(trackIndex, false /* select */, 0xdeadbeef /* not used */);
536        }
537
538        case INVOKE_ID_GET_SELECTED_TRACK:
539        {
540            int32_t type = request.readInt32();
541            return mPlayer->getSelectedTrack(type, reply);
542        }
543
544        default:
545        {
546            return INVALID_OPERATION;
547        }
548    }
549}
550
551void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
552    mPlayer->setAudioSink(audioSink);
553    mAudioSink = audioSink;
554}
555
556status_t NuPlayerDriver::setParameter(
557        int /* key */, const Parcel & /* request */) {
558    return INVALID_OPERATION;
559}
560
561status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
562    return INVALID_OPERATION;
563}
564
565status_t NuPlayerDriver::getMetadata(
566        const media::Metadata::Filter& /* ids */, Parcel *records) {
567    Mutex::Autolock autoLock(mLock);
568
569    using media::Metadata;
570
571    Metadata meta(records);
572
573    meta.appendBool(
574            Metadata::kPauseAvailable,
575            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
576
577    meta.appendBool(
578            Metadata::kSeekBackwardAvailable,
579            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
580
581    meta.appendBool(
582            Metadata::kSeekForwardAvailable,
583            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
584
585    meta.appendBool(
586            Metadata::kSeekAvailable,
587            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
588
589    return OK;
590}
591
592void NuPlayerDriver::notifyResetComplete() {
593    ALOGD("notifyResetComplete(%p)", this);
594    Mutex::Autolock autoLock(mLock);
595
596    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
597    mState = STATE_IDLE;
598    mCondition.broadcast();
599}
600
601void NuPlayerDriver::notifySetSurfaceComplete() {
602    ALOGV("notifySetSurfaceComplete(%p)", this);
603    Mutex::Autolock autoLock(mLock);
604
605    CHECK(mSetSurfaceInProgress);
606    mSetSurfaceInProgress = false;
607
608    mCondition.broadcast();
609}
610
611void NuPlayerDriver::notifyDuration(int64_t durationUs) {
612    Mutex::Autolock autoLock(mLock);
613    mDurationUs = durationUs;
614}
615
616void NuPlayerDriver::notifySeekComplete() {
617    ALOGV("notifySeekComplete(%p)", this);
618    Mutex::Autolock autoLock(mLock);
619    mSeekInProgress = false;
620    notifySeekComplete_l();
621}
622
623void NuPlayerDriver::notifySeekComplete_l() {
624    bool wasSeeking = true;
625    if (mState == STATE_STOPPED_AND_PREPARING) {
626        wasSeeking = false;
627        mState = STATE_STOPPED_AND_PREPARED;
628        mCondition.broadcast();
629        if (!mIsAsyncPrepare) {
630            // if we are preparing synchronously, no need to notify listener
631            return;
632        }
633    } else if (mState == STATE_STOPPED) {
634        // no need to notify listener
635        return;
636    }
637    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
638}
639
640status_t NuPlayerDriver::dump(
641        int fd, const Vector<String16> & /* args */) const {
642    int64_t numFramesTotal;
643    int64_t numFramesDropped;
644    mPlayer->getStats(&numFramesTotal, &numFramesDropped);
645
646    FILE *out = fdopen(dup(fd), "w");
647
648    fprintf(out, " NuPlayer\n");
649    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
650                 "percentageDropped(%.2f)\n",
651                 numFramesTotal,
652                 numFramesDropped,
653                 numFramesTotal == 0
654                    ? 0.0 : (double)numFramesDropped / numFramesTotal);
655
656    fclose(out);
657    out = NULL;
658
659    return OK;
660}
661
662void NuPlayerDriver::notifyListener(
663        int msg, int ext1, int ext2, const Parcel *in) {
664    Mutex::Autolock autoLock(mLock);
665    notifyListener_l(msg, ext1, ext2, in);
666}
667
668void NuPlayerDriver::notifyListener_l(
669        int msg, int ext1, int ext2, const Parcel *in) {
670    switch (msg) {
671        case MEDIA_PLAYBACK_COMPLETE:
672        {
673            if (mState != STATE_RESET_IN_PROGRESS) {
674                if (mAutoLoop) {
675                    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
676                    if (mAudioSink != NULL) {
677                        streamType = mAudioSink->getAudioStreamType();
678                    }
679                    if (streamType == AUDIO_STREAM_NOTIFICATION) {
680                        ALOGW("disabling auto-loop for notification");
681                        mAutoLoop = false;
682                    }
683                }
684                if (mLooping || mAutoLoop) {
685                    mPlayer->seekToAsync(0);
686                    if (mAudioSink != NULL) {
687                        // The renderer has stopped the sink at the end in order to play out
688                        // the last little bit of audio. If we're looping, we need to restart it.
689                        mAudioSink->start();
690                    }
691                    break;
692                }
693
694                mPlayer->pause();
695                mState = STATE_PAUSED;
696            }
697            // fall through
698        }
699
700        case MEDIA_ERROR:
701        {
702            mAtEOS = true;
703            break;
704        }
705
706        default:
707            break;
708    }
709
710    mLock.unlock();
711    sendEvent(msg, ext1, ext2, in);
712    mLock.lock();
713}
714
715void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
716    Mutex::Autolock autoLock(mLock);
717
718    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
719
720    mAsyncResult = err;
721    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
722    mCondition.broadcast();
723}
724
725void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
726    Mutex::Autolock autoLock(mLock);
727
728    if (mState != STATE_PREPARING) {
729        // We were preparing asynchronously when the client called
730        // reset(), we sent a premature "prepared" notification and
731        // then initiated the reset. This notification is stale.
732        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
733        return;
734    }
735
736    CHECK_EQ(mState, STATE_PREPARING);
737
738    mAsyncResult = err;
739
740    if (err == OK) {
741        // update state before notifying client, so that if client calls back into NuPlayerDriver
742        // in response, NuPlayerDriver has the right state
743        mState = STATE_PREPARED;
744        if (mIsAsyncPrepare) {
745            notifyListener_l(MEDIA_PREPARED);
746        }
747    } else {
748        mState = STATE_UNPREPARED;
749        if (mIsAsyncPrepare) {
750            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
751        }
752    }
753
754    sp<MetaData> meta = mPlayer->getFileMeta();
755    int32_t loop;
756    if (meta != NULL
757            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
758        mAutoLoop = true;
759    }
760
761    mCondition.broadcast();
762}
763
764void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
765    Mutex::Autolock autoLock(mLock);
766
767    mPlayerFlags = flags;
768}
769
770}  // namespace android
771