NuPlayerDriver.cpp revision 99f31604136d66ae10e20669fb6b5716f342bde0 
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            // seeks can take a while, so we essentially paused
392            notifyListener_l(MEDIA_PAUSED);
393            mPlayer->seekToAsync(seekTimeUs, true /* needNotify */);
394            break;
395        }
396
397        default:
398            return INVALID_OPERATION;
399    }
400
401    mPositionUs = seekTimeUs;
402    return OK;
403}
404
405status_t NuPlayerDriver::getCurrentPosition(int *msec) {
406    int64_t tempUs = 0;
407    {
408        Mutex::Autolock autoLock(mLock);
409        if (mSeekInProgress || mState == STATE_PAUSED) {
410            tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
411            *msec = (int)divRound(tempUs, (int64_t)(1000));
412            return OK;
413        }
414    }
415
416    status_t ret = mPlayer->getCurrentPosition(&tempUs);
417
418    Mutex::Autolock autoLock(mLock);
419    // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
420    // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
421    // position value that's different the seek to position.
422    if (ret != OK) {
423        tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
424    } else {
425        mPositionUs = tempUs;
426    }
427    *msec = (int)divRound(tempUs, (int64_t)(1000));
428    return OK;
429}
430
431status_t NuPlayerDriver::getDuration(int *msec) {
432    Mutex::Autolock autoLock(mLock);
433
434    if (mDurationUs < 0) {
435        return UNKNOWN_ERROR;
436    }
437
438    *msec = (mDurationUs + 500ll) / 1000;
439
440    return OK;
441}
442
443status_t NuPlayerDriver::reset() {
444    ALOGD("reset(%p)", this);
445    Mutex::Autolock autoLock(mLock);
446
447    switch (mState) {
448        case STATE_IDLE:
449            return OK;
450
451        case STATE_SET_DATASOURCE_PENDING:
452        case STATE_RESET_IN_PROGRESS:
453            return INVALID_OPERATION;
454
455        case STATE_PREPARING:
456        {
457            CHECK(mIsAsyncPrepare);
458
459            notifyListener_l(MEDIA_PREPARED);
460            break;
461        }
462
463        default:
464            break;
465    }
466
467    if (mState != STATE_STOPPED) {
468        notifyListener_l(MEDIA_STOPPED);
469    }
470
471    mState = STATE_RESET_IN_PROGRESS;
472    mPlayer->resetAsync();
473
474    while (mState == STATE_RESET_IN_PROGRESS) {
475        mCondition.wait(mLock);
476    }
477
478    mDurationUs = -1;
479    mPositionUs = -1;
480    mStartupSeekTimeUs = -1;
481    mLooping = false;
482
483    return OK;
484}
485
486status_t NuPlayerDriver::setLooping(int loop) {
487    mLooping = loop != 0;
488    return OK;
489}
490
491player_type NuPlayerDriver::playerType() {
492    return NU_PLAYER;
493}
494
495status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
496    if (reply == NULL) {
497        ALOGE("reply is a NULL pointer");
498        return BAD_VALUE;
499    }
500
501    int32_t methodId;
502    status_t ret = request.readInt32(&methodId);
503    if (ret != OK) {
504        ALOGE("Failed to retrieve the requested method to invoke");
505        return ret;
506    }
507
508    switch (methodId) {
509        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
510        {
511            int mode = request.readInt32();
512            return mPlayer->setVideoScalingMode(mode);
513        }
514
515        case INVOKE_ID_GET_TRACK_INFO:
516        {
517            return mPlayer->getTrackInfo(reply);
518        }
519
520        case INVOKE_ID_SELECT_TRACK:
521        {
522            int trackIndex = request.readInt32();
523            int msec = 0;
524            // getCurrentPosition should always return OK
525            getCurrentPosition(&msec);
526            return mPlayer->selectTrack(trackIndex, true /* select */, msec * 1000ll);
527        }
528
529        case INVOKE_ID_UNSELECT_TRACK:
530        {
531            int trackIndex = request.readInt32();
532            return mPlayer->selectTrack(trackIndex, false /* select */, 0xdeadbeef /* not used */);
533        }
534
535        case INVOKE_ID_GET_SELECTED_TRACK:
536        {
537            int32_t type = request.readInt32();
538            return mPlayer->getSelectedTrack(type, reply);
539        }
540
541        default:
542        {
543            return INVALID_OPERATION;
544        }
545    }
546}
547
548void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
549    mPlayer->setAudioSink(audioSink);
550    mAudioSink = audioSink;
551}
552
553status_t NuPlayerDriver::setParameter(
554        int /* key */, const Parcel & /* request */) {
555    return INVALID_OPERATION;
556}
557
558status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
559    return INVALID_OPERATION;
560}
561
562status_t NuPlayerDriver::getMetadata(
563        const media::Metadata::Filter& /* ids */, Parcel *records) {
564    Mutex::Autolock autoLock(mLock);
565
566    using media::Metadata;
567
568    Metadata meta(records);
569
570    meta.appendBool(
571            Metadata::kPauseAvailable,
572            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
573
574    meta.appendBool(
575            Metadata::kSeekBackwardAvailable,
576            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
577
578    meta.appendBool(
579            Metadata::kSeekForwardAvailable,
580            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
581
582    meta.appendBool(
583            Metadata::kSeekAvailable,
584            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
585
586    return OK;
587}
588
589void NuPlayerDriver::notifyResetComplete() {
590    ALOGD("notifyResetComplete(%p)", this);
591    Mutex::Autolock autoLock(mLock);
592
593    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
594    mState = STATE_IDLE;
595    mCondition.broadcast();
596}
597
598void NuPlayerDriver::notifySetSurfaceComplete() {
599    ALOGV("notifySetSurfaceComplete(%p)", this);
600    Mutex::Autolock autoLock(mLock);
601
602    CHECK(mSetSurfaceInProgress);
603    mSetSurfaceInProgress = false;
604
605    mCondition.broadcast();
606}
607
608void NuPlayerDriver::notifyDuration(int64_t durationUs) {
609    Mutex::Autolock autoLock(mLock);
610    mDurationUs = durationUs;
611}
612
613void NuPlayerDriver::notifySeekComplete() {
614    ALOGV("notifySeekComplete(%p)", this);
615    Mutex::Autolock autoLock(mLock);
616    mSeekInProgress = false;
617    notifySeekComplete_l();
618}
619
620void NuPlayerDriver::notifySeekComplete_l() {
621    bool wasSeeking = true;
622    if (mState == STATE_STOPPED_AND_PREPARING) {
623        wasSeeking = false;
624        mState = STATE_STOPPED_AND_PREPARED;
625        mCondition.broadcast();
626        if (!mIsAsyncPrepare) {
627            // if we are preparing synchronously, no need to notify listener
628            return;
629        }
630    } else if (mState == STATE_STOPPED) {
631        // no need to notify listener
632        return;
633    }
634    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
635}
636
637status_t NuPlayerDriver::dump(
638        int fd, const Vector<String16> & /* args */) const {
639    int64_t numFramesTotal;
640    int64_t numFramesDropped;
641    mPlayer->getStats(&numFramesTotal, &numFramesDropped);
642
643    FILE *out = fdopen(dup(fd), "w");
644
645    fprintf(out, " NuPlayer\n");
646    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
647                 "percentageDropped(%.2f)\n",
648                 numFramesTotal,
649                 numFramesDropped,
650                 numFramesTotal == 0
651                    ? 0.0 : (double)numFramesDropped / numFramesTotal);
652
653    fclose(out);
654    out = NULL;
655
656    return OK;
657}
658
659void NuPlayerDriver::notifyListener(
660        int msg, int ext1, int ext2, const Parcel *in) {
661    Mutex::Autolock autoLock(mLock);
662    notifyListener_l(msg, ext1, ext2, in);
663}
664
665void NuPlayerDriver::notifyListener_l(
666        int msg, int ext1, int ext2, const Parcel *in) {
667    switch (msg) {
668        case MEDIA_PLAYBACK_COMPLETE:
669        {
670            if (mState != STATE_RESET_IN_PROGRESS) {
671                if (mAutoLoop) {
672                    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
673                    if (mAudioSink != NULL) {
674                        streamType = mAudioSink->getAudioStreamType();
675                    }
676                    if (streamType == AUDIO_STREAM_NOTIFICATION) {
677                        ALOGW("disabling auto-loop for notification");
678                        mAutoLoop = false;
679                    }
680                }
681                if (mLooping || mAutoLoop) {
682                    mPlayer->seekToAsync(0);
683                    if (mAudioSink != NULL) {
684                        // The renderer has stopped the sink at the end in order to play out
685                        // the last little bit of audio. If we're looping, we need to restart it.
686                        mAudioSink->start();
687                    }
688                    break;
689                }
690
691                mPlayer->pause();
692                mState = STATE_PAUSED;
693            }
694            // fall through
695        }
696
697        case MEDIA_ERROR:
698        {
699            mAtEOS = true;
700            break;
701        }
702
703        default:
704            break;
705    }
706
707    mLock.unlock();
708    sendEvent(msg, ext1, ext2, in);
709    mLock.lock();
710}
711
712void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
713    Mutex::Autolock autoLock(mLock);
714
715    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
716
717    mAsyncResult = err;
718    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
719    mCondition.broadcast();
720}
721
722void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
723    Mutex::Autolock autoLock(mLock);
724
725    if (mState != STATE_PREPARING) {
726        // We were preparing asynchronously when the client called
727        // reset(), we sent a premature "prepared" notification and
728        // then initiated the reset. This notification is stale.
729        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
730        return;
731    }
732
733    CHECK_EQ(mState, STATE_PREPARING);
734
735    mAsyncResult = err;
736
737    if (err == OK) {
738        // update state before notifying client, so that if client calls back into NuPlayerDriver
739        // in response, NuPlayerDriver has the right state
740        mState = STATE_PREPARED;
741        if (mIsAsyncPrepare) {
742            notifyListener_l(MEDIA_PREPARED);
743        }
744    } else {
745        mState = STATE_UNPREPARED;
746        if (mIsAsyncPrepare) {
747            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
748        }
749    }
750
751    sp<MetaData> meta = mPlayer->getFileMeta();
752    int32_t loop;
753    if (meta != NULL
754            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
755        mAutoLoop = true;
756    }
757
758    mCondition.broadcast();
759}
760
761void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
762    Mutex::Autolock autoLock(mLock);
763
764    mPlayerFlags = flags;
765}
766
767}  // namespace android
768