NuPlayerDriver.cpp revision 1375ac6d029b74ac392db411907b3c0ea57f08a7 
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::setVideoSurfaceTexture(
139        const sp<IGraphicBufferProducer> &bufferProducer) {
140    ALOGV("setVideoSurfaceTexture(%p)", this);
141    Mutex::Autolock autoLock(mLock);
142
143    if (mSetSurfaceInProgress) {
144        return INVALID_OPERATION;
145    }
146
147    switch (mState) {
148        case STATE_SET_DATASOURCE_PENDING:
149        case STATE_RESET_IN_PROGRESS:
150            return INVALID_OPERATION;
151
152        default:
153            break;
154    }
155
156    mSetSurfaceInProgress = true;
157
158    mPlayer->setVideoSurfaceTextureAsync(bufferProducer);
159
160    while (mSetSurfaceInProgress) {
161        mCondition.wait(mLock);
162    }
163
164    return OK;
165}
166
167status_t NuPlayerDriver::prepare() {
168    ALOGV("prepare(%p)", this);
169    Mutex::Autolock autoLock(mLock);
170    return prepare_l();
171}
172
173status_t NuPlayerDriver::prepare_l() {
174    switch (mState) {
175        case STATE_UNPREPARED:
176            mState = STATE_PREPARING;
177
178            // Make sure we're not posting any notifications, success or
179            // failure information is only communicated through our result
180            // code.
181            mIsAsyncPrepare = false;
182            mPlayer->prepareAsync();
183            while (mState == STATE_PREPARING) {
184                mCondition.wait(mLock);
185            }
186            return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR;
187        case STATE_STOPPED:
188            // this is really just paused. handle as seek to start
189            mAtEOS = false;
190            mState = STATE_STOPPED_AND_PREPARING;
191            mIsAsyncPrepare = false;
192            mPlayer->seekToAsync(0, true /* needNotify */);
193            while (mState == STATE_STOPPED_AND_PREPARING) {
194                mCondition.wait(mLock);
195            }
196            return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR;
197        default:
198            return INVALID_OPERATION;
199    };
200}
201
202status_t NuPlayerDriver::prepareAsync() {
203    ALOGV("prepareAsync(%p)", this);
204    Mutex::Autolock autoLock(mLock);
205
206    switch (mState) {
207        case STATE_UNPREPARED:
208            mState = STATE_PREPARING;
209            mIsAsyncPrepare = true;
210            mPlayer->prepareAsync();
211            return OK;
212        case STATE_STOPPED:
213            // this is really just paused. handle as seek to start
214            mAtEOS = false;
215            mState = STATE_STOPPED_AND_PREPARING;
216            mIsAsyncPrepare = true;
217            mPlayer->seekToAsync(0, true /* needNotify */);
218            return OK;
219        default:
220            return INVALID_OPERATION;
221    };
222}
223
224status_t NuPlayerDriver::start() {
225    ALOGD("start(%p)", this);
226    Mutex::Autolock autoLock(mLock);
227
228    switch (mState) {
229        case STATE_UNPREPARED:
230        {
231            status_t err = prepare_l();
232
233            if (err != OK) {
234                return err;
235            }
236
237            CHECK_EQ(mState, STATE_PREPARED);
238
239            // fall through
240        }
241
242        case STATE_PREPARED:
243        {
244            mAtEOS = false;
245            mPlayer->start();
246
247            if (mStartupSeekTimeUs >= 0) {
248                if (mStartupSeekTimeUs > 0) {
249                    mPlayer->seekToAsync(mStartupSeekTimeUs);
250                }
251
252                mStartupSeekTimeUs = -1;
253            }
254            break;
255        }
256
257        case STATE_RUNNING:
258        {
259            if (mAtEOS) {
260                mPlayer->seekToAsync(0);
261                mAtEOS = false;
262                mPositionUs = -1;
263            }
264            break;
265        }
266
267        case STATE_PAUSED:
268        case STATE_STOPPED_AND_PREPARED:
269        {
270            if (mAtEOS) {
271                mPlayer->seekToAsync(0);
272                mAtEOS = false;
273                mPlayer->resume();
274                mPositionUs = -1;
275            } else {
276                mPlayer->resume();
277            }
278            break;
279        }
280
281        default:
282            return INVALID_OPERATION;
283    }
284
285    mState = STATE_RUNNING;
286
287    return OK;
288}
289
290status_t NuPlayerDriver::stop() {
291    ALOGD("stop(%p)", this);
292    Mutex::Autolock autoLock(mLock);
293
294    switch (mState) {
295        case STATE_RUNNING:
296            mPlayer->pause();
297            // fall through
298
299        case STATE_PAUSED:
300            mState = STATE_STOPPED;
301            notifyListener_l(MEDIA_STOPPED);
302            break;
303
304        case STATE_PREPARED:
305        case STATE_STOPPED:
306        case STATE_STOPPED_AND_PREPARING:
307        case STATE_STOPPED_AND_PREPARED:
308            mState = STATE_STOPPED;
309            break;
310
311        default:
312            return INVALID_OPERATION;
313    }
314
315    return OK;
316}
317
318status_t NuPlayerDriver::pause() {
319    Mutex::Autolock autoLock(mLock);
320
321    switch (mState) {
322        case STATE_PAUSED:
323        case STATE_PREPARED:
324            return OK;
325
326        case STATE_RUNNING:
327            mState = STATE_PAUSED;
328            notifyListener_l(MEDIA_PAUSED);
329            mPlayer->pause();
330            break;
331
332        default:
333            return INVALID_OPERATION;
334    }
335
336    return OK;
337}
338
339bool NuPlayerDriver::isPlaying() {
340    return mState == STATE_RUNNING && !mAtEOS;
341}
342
343status_t NuPlayerDriver::seekTo(int msec) {
344    ALOGD("seekTo(%p) %d ms", this, msec);
345    Mutex::Autolock autoLock(mLock);
346
347    int64_t seekTimeUs = msec * 1000ll;
348
349    switch (mState) {
350        case STATE_PREPARED:
351        {
352            mStartupSeekTimeUs = seekTimeUs;
353            // pretend that the seek completed. It will actually happen when starting playback.
354            // TODO: actually perform the seek here, so the player is ready to go at the new
355            // location
356            notifySeekComplete_l();
357            break;
358        }
359
360        case STATE_RUNNING:
361        case STATE_PAUSED:
362        {
363            mAtEOS = false;
364            mSeekInProgress = true;
365            // seeks can take a while, so we essentially paused
366            notifyListener_l(MEDIA_PAUSED);
367            mPlayer->seekToAsync(seekTimeUs, true /* needNotify */);
368            break;
369        }
370
371        default:
372            return INVALID_OPERATION;
373    }
374
375    mPositionUs = seekTimeUs;
376    return OK;
377}
378
379status_t NuPlayerDriver::getCurrentPosition(int *msec) {
380    int64_t tempUs = 0;
381    status_t ret = mPlayer->getCurrentPosition(&tempUs);
382
383    Mutex::Autolock autoLock(mLock);
384    // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
385    // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
386    // position value that's different the seek to position.
387    if (ret != OK || mSeekInProgress) {
388        tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
389    } else {
390        mPositionUs = tempUs;
391    }
392    *msec = (int)divRound(tempUs, (int64_t)(1000));
393    return OK;
394}
395
396status_t NuPlayerDriver::getDuration(int *msec) {
397    Mutex::Autolock autoLock(mLock);
398
399    if (mDurationUs < 0) {
400        return UNKNOWN_ERROR;
401    }
402
403    *msec = (mDurationUs + 500ll) / 1000;
404
405    return OK;
406}
407
408status_t NuPlayerDriver::reset() {
409    ALOGD("reset(%p)", this);
410    Mutex::Autolock autoLock(mLock);
411
412    switch (mState) {
413        case STATE_IDLE:
414            return OK;
415
416        case STATE_SET_DATASOURCE_PENDING:
417        case STATE_RESET_IN_PROGRESS:
418            return INVALID_OPERATION;
419
420        case STATE_PREPARING:
421        {
422            CHECK(mIsAsyncPrepare);
423
424            notifyListener_l(MEDIA_PREPARED);
425            break;
426        }
427
428        default:
429            break;
430    }
431
432    if (mState != STATE_STOPPED) {
433        notifyListener_l(MEDIA_STOPPED);
434    }
435
436    mState = STATE_RESET_IN_PROGRESS;
437    mPlayer->resetAsync();
438
439    while (mState == STATE_RESET_IN_PROGRESS) {
440        mCondition.wait(mLock);
441    }
442
443    mDurationUs = -1;
444    mPositionUs = -1;
445    mStartupSeekTimeUs = -1;
446    mLooping = false;
447
448    return OK;
449}
450
451status_t NuPlayerDriver::setLooping(int loop) {
452    mLooping = loop != 0;
453    return OK;
454}
455
456player_type NuPlayerDriver::playerType() {
457    return NU_PLAYER;
458}
459
460status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
461    if (reply == NULL) {
462        ALOGE("reply is a NULL pointer");
463        return BAD_VALUE;
464    }
465
466    int32_t methodId;
467    status_t ret = request.readInt32(&methodId);
468    if (ret != OK) {
469        ALOGE("Failed to retrieve the requested method to invoke");
470        return ret;
471    }
472
473    switch (methodId) {
474        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
475        {
476            int mode = request.readInt32();
477            return mPlayer->setVideoScalingMode(mode);
478        }
479
480        case INVOKE_ID_GET_TRACK_INFO:
481        {
482            return mPlayer->getTrackInfo(reply);
483        }
484
485        case INVOKE_ID_SELECT_TRACK:
486        {
487            int trackIndex = request.readInt32();
488            return mPlayer->selectTrack(trackIndex, true /* select */);
489        }
490
491        case INVOKE_ID_UNSELECT_TRACK:
492        {
493            int trackIndex = request.readInt32();
494            return mPlayer->selectTrack(trackIndex, false /* select */);
495        }
496
497        case INVOKE_ID_GET_SELECTED_TRACK:
498        {
499            int32_t type = request.readInt32();
500            return mPlayer->getSelectedTrack(type, reply);
501        }
502
503        default:
504        {
505            return INVALID_OPERATION;
506        }
507    }
508}
509
510void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
511    mPlayer->setAudioSink(audioSink);
512    mAudioSink = audioSink;
513}
514
515status_t NuPlayerDriver::setParameter(
516        int /* key */, const Parcel & /* request */) {
517    return INVALID_OPERATION;
518}
519
520status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
521    return INVALID_OPERATION;
522}
523
524status_t NuPlayerDriver::getMetadata(
525        const media::Metadata::Filter& /* ids */, Parcel *records) {
526    Mutex::Autolock autoLock(mLock);
527
528    using media::Metadata;
529
530    Metadata meta(records);
531
532    meta.appendBool(
533            Metadata::kPauseAvailable,
534            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
535
536    meta.appendBool(
537            Metadata::kSeekBackwardAvailable,
538            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
539
540    meta.appendBool(
541            Metadata::kSeekForwardAvailable,
542            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
543
544    meta.appendBool(
545            Metadata::kSeekAvailable,
546            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
547
548    return OK;
549}
550
551void NuPlayerDriver::notifyResetComplete() {
552    ALOGD("notifyResetComplete(%p)", this);
553    Mutex::Autolock autoLock(mLock);
554
555    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
556    mState = STATE_IDLE;
557    mCondition.broadcast();
558}
559
560void NuPlayerDriver::notifySetSurfaceComplete() {
561    ALOGV("notifySetSurfaceComplete(%p)", this);
562    Mutex::Autolock autoLock(mLock);
563
564    CHECK(mSetSurfaceInProgress);
565    mSetSurfaceInProgress = false;
566
567    mCondition.broadcast();
568}
569
570void NuPlayerDriver::notifyDuration(int64_t durationUs) {
571    Mutex::Autolock autoLock(mLock);
572    mDurationUs = durationUs;
573}
574
575void NuPlayerDriver::notifySeekComplete() {
576    ALOGV("notifySeekComplete(%p)", this);
577    Mutex::Autolock autoLock(mLock);
578    mSeekInProgress = false;
579    notifySeekComplete_l();
580}
581
582void NuPlayerDriver::notifySeekComplete_l() {
583    bool wasSeeking = true;
584    if (mState == STATE_STOPPED_AND_PREPARING) {
585        wasSeeking = false;
586        mState = STATE_STOPPED_AND_PREPARED;
587        mCondition.broadcast();
588        if (!mIsAsyncPrepare) {
589            // if we are preparing synchronously, no need to notify listener
590            return;
591        }
592    } else if (mState == STATE_STOPPED) {
593        // no need to notify listener
594        return;
595    }
596    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
597}
598
599status_t NuPlayerDriver::dump(
600        int fd, const Vector<String16> & /* args */) const {
601    int64_t numFramesTotal;
602    int64_t numFramesDropped;
603    mPlayer->getStats(&numFramesTotal, &numFramesDropped);
604
605    FILE *out = fdopen(dup(fd), "w");
606
607    fprintf(out, " NuPlayer\n");
608    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
609                 "percentageDropped(%.2f)\n",
610                 numFramesTotal,
611                 numFramesDropped,
612                 numFramesTotal == 0
613                    ? 0.0 : (double)numFramesDropped / numFramesTotal);
614
615    fclose(out);
616    out = NULL;
617
618    return OK;
619}
620
621void NuPlayerDriver::notifyListener(
622        int msg, int ext1, int ext2, const Parcel *in) {
623    Mutex::Autolock autoLock(mLock);
624    notifyListener_l(msg, ext1, ext2, in);
625}
626
627void NuPlayerDriver::notifyListener_l(
628        int msg, int ext1, int ext2, const Parcel *in) {
629    switch (msg) {
630        case MEDIA_PLAYBACK_COMPLETE:
631        {
632            if (mState != STATE_RESET_IN_PROGRESS) {
633                if (mLooping || (mAutoLoop
634                        && (mAudioSink == NULL || mAudioSink->realtime()))) {
635                    mPlayer->seekToAsync(0);
636                    break;
637                }
638
639                mPlayer->pause();
640                mState = STATE_PAUSED;
641            }
642            // fall through
643        }
644
645        case MEDIA_ERROR:
646        {
647            mAtEOS = true;
648            break;
649        }
650
651        default:
652            break;
653    }
654
655    mLock.unlock();
656    sendEvent(msg, ext1, ext2, in);
657    mLock.lock();
658}
659
660void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
661    Mutex::Autolock autoLock(mLock);
662
663    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
664
665    mAsyncResult = err;
666    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
667    mCondition.broadcast();
668}
669
670void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
671    Mutex::Autolock autoLock(mLock);
672
673    if (mState != STATE_PREPARING) {
674        // We were preparing asynchronously when the client called
675        // reset(), we sent a premature "prepared" notification and
676        // then initiated the reset. This notification is stale.
677        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
678        return;
679    }
680
681    CHECK_EQ(mState, STATE_PREPARING);
682
683    mAsyncResult = err;
684
685    if (err == OK) {
686        // update state before notifying client, so that if client calls back into NuPlayerDriver
687        // in response, NuPlayerDriver has the right state
688        mState = STATE_PREPARED;
689        if (mIsAsyncPrepare) {
690            notifyListener_l(MEDIA_PREPARED);
691        }
692    } else {
693        mState = STATE_UNPREPARED;
694        if (mIsAsyncPrepare) {
695            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
696        }
697    }
698
699    sp<MetaData> meta = mPlayer->getFileMeta();
700    int32_t loop;
701    if (meta != NULL
702            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
703        mAutoLoop = true;
704    }
705
706    mCondition.broadcast();
707}
708
709void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
710    Mutex::Autolock autoLock(mLock);
711
712    mPlayerFlags = flags;
713}
714
715}  // namespace android
716