NuPlayerDriver.cpp revision 6e9f6b498d758848fd934f8217c386dd74ef3833 
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/MetaData.h>
30
31namespace android {
32
33NuPlayerDriver::NuPlayerDriver()
34    : mState(STATE_IDLE),
35      mIsAsyncPrepare(false),
36      mAsyncResult(UNKNOWN_ERROR),
37      mSetSurfaceInProgress(false),
38      mDurationUs(-1),
39      mPositionUs(-1),
40      mNotifyTimeRealUs(-1),
41      mPauseStartedTimeUs(-1),
42      mNumFramesTotal(0),
43      mNumFramesDropped(0),
44      mLooper(new ALooper),
45      mPlayerFlags(0),
46      mAtEOS(false),
47      mLooping(false),
48      mStartupSeekTimeUs(-1) {
49    mLooper->setName("NuPlayerDriver Looper");
50
51    mLooper->start(
52            false, /* runOnCallingThread */
53            true,  /* canCallJava */
54            PRIORITY_AUDIO);
55
56    mPlayer = new NuPlayer;
57    mLooper->registerHandler(mPlayer);
58
59    mPlayer->setDriver(this);
60}
61
62NuPlayerDriver::~NuPlayerDriver() {
63    mLooper->stop();
64}
65
66status_t NuPlayerDriver::initCheck() {
67    return OK;
68}
69
70status_t NuPlayerDriver::setUID(uid_t uid) {
71    mPlayer->setUID(uid);
72
73    return OK;
74}
75
76status_t NuPlayerDriver::setDataSource(
77        const sp<IMediaHTTPService> &httpService,
78        const char *url,
79        const KeyedVector<String8, String8> *headers) {
80    Mutex::Autolock autoLock(mLock);
81
82    ALOGV("setDataSource: url=%s", url);
83    if (mState != STATE_IDLE) {
84        return INVALID_OPERATION;
85    }
86
87    mState = STATE_SET_DATASOURCE_PENDING;
88
89    mPlayer->setDataSourceAsync(httpService, url, headers);
90
91    while (mState == STATE_SET_DATASOURCE_PENDING) {
92        mCondition.wait(mLock);
93    }
94
95    return mAsyncResult;
96}
97
98status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) {
99    Mutex::Autolock autoLock(mLock);
100
101    ALOGV("setDataSource: fd=%d", fd);
102    if (mState != STATE_IDLE) {
103        return INVALID_OPERATION;
104    }
105
106    mState = STATE_SET_DATASOURCE_PENDING;
107
108    mPlayer->setDataSourceAsync(fd, offset, length);
109
110    while (mState == STATE_SET_DATASOURCE_PENDING) {
111        mCondition.wait(mLock);
112    }
113
114    return mAsyncResult;
115}
116
117status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) {
118    Mutex::Autolock autoLock(mLock);
119
120    ALOGV("setDataSource: stream source");
121    if (mState != STATE_IDLE) {
122        return INVALID_OPERATION;
123    }
124
125    mState = STATE_SET_DATASOURCE_PENDING;
126
127    mPlayer->setDataSourceAsync(source);
128
129    while (mState == STATE_SET_DATASOURCE_PENDING) {
130        mCondition.wait(mLock);
131    }
132
133    return mAsyncResult;
134}
135
136status_t NuPlayerDriver::setVideoSurfaceTexture(
137        const sp<IGraphicBufferProducer> &bufferProducer) {
138    Mutex::Autolock autoLock(mLock);
139
140    if (mSetSurfaceInProgress) {
141        return INVALID_OPERATION;
142    }
143
144    switch (mState) {
145        case STATE_SET_DATASOURCE_PENDING:
146        case STATE_RESET_IN_PROGRESS:
147            return INVALID_OPERATION;
148
149        default:
150            break;
151    }
152
153    mSetSurfaceInProgress = true;
154
155    mPlayer->setVideoSurfaceTextureAsync(bufferProducer);
156
157    while (mSetSurfaceInProgress) {
158        mCondition.wait(mLock);
159    }
160
161    return OK;
162}
163
164status_t NuPlayerDriver::prepare() {
165    Mutex::Autolock autoLock(mLock);
166    return prepare_l();
167}
168
169status_t NuPlayerDriver::prepare_l() {
170    switch (mState) {
171        case STATE_UNPREPARED:
172            mState = STATE_PREPARING;
173
174            // Make sure we're not posting any notifications, success or
175            // failure information is only communicated through our result
176            // code.
177            mIsAsyncPrepare = false;
178            mPlayer->prepareAsync();
179            while (mState == STATE_PREPARING) {
180                mCondition.wait(mLock);
181            }
182            return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR;
183        case STATE_STOPPED:
184            // this is really just paused. handle as seek to start
185            mAtEOS = false;
186            mState = STATE_STOPPED_AND_PREPARING;
187            mIsAsyncPrepare = false;
188            mPlayer->seekToAsync(0);
189            while (mState == STATE_STOPPED_AND_PREPARING) {
190                mCondition.wait(mLock);
191            }
192            return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR;
193        default:
194            return INVALID_OPERATION;
195    };
196}
197
198status_t NuPlayerDriver::prepareAsync() {
199    Mutex::Autolock autoLock(mLock);
200
201    switch (mState) {
202        case STATE_UNPREPARED:
203            mState = STATE_PREPARING;
204            mIsAsyncPrepare = true;
205            mPlayer->prepareAsync();
206            return OK;
207        case STATE_STOPPED:
208            // this is really just paused. handle as seek to start
209            mAtEOS = false;
210            mState = STATE_STOPPED_AND_PREPARING;
211            mIsAsyncPrepare = true;
212            mPlayer->seekToAsync(0);
213            return OK;
214        default:
215            return INVALID_OPERATION;
216    };
217}
218
219status_t NuPlayerDriver::start() {
220    Mutex::Autolock autoLock(mLock);
221
222    switch (mState) {
223        case STATE_UNPREPARED:
224        {
225            status_t err = prepare_l();
226
227            if (err != OK) {
228                return err;
229            }
230
231            CHECK_EQ(mState, STATE_PREPARED);
232
233            // fall through
234        }
235
236        case STATE_PREPARED:
237        {
238            mAtEOS = false;
239            mPlayer->start();
240
241            if (mStartupSeekTimeUs >= 0) {
242                if (mStartupSeekTimeUs == 0) {
243                    notifySeekComplete_l();
244                } else {
245                    mPlayer->seekToAsync(mStartupSeekTimeUs);
246                }
247
248                mStartupSeekTimeUs = -1;
249            }
250            break;
251        }
252
253        case STATE_RUNNING:
254        {
255            if (mAtEOS) {
256                mPlayer->seekToAsync(0);
257                mAtEOS = false;
258                mPositionUs = -1;
259            }
260            break;
261        }
262
263        case STATE_PAUSED:
264        case STATE_STOPPED_AND_PREPARED:
265        {
266            if (mAtEOS) {
267                mPlayer->seekToAsync(0);
268                mAtEOS = false;
269                mPlayer->resume();
270                mPositionUs = -1;
271            } else {
272                mPlayer->resume();
273                mPositionUs -= ALooper::GetNowUs() - mPauseStartedTimeUs;
274            }
275            break;
276        }
277
278        default:
279            return INVALID_OPERATION;
280    }
281
282    mState = STATE_RUNNING;
283    mPauseStartedTimeUs = -1;
284
285    return OK;
286}
287
288status_t NuPlayerDriver::stop() {
289    Mutex::Autolock autoLock(mLock);
290
291    switch (mState) {
292        case STATE_RUNNING:
293            mPlayer->pause();
294            // fall through
295
296        case STATE_PAUSED:
297            mState = STATE_STOPPED;
298            notifyListener_l(MEDIA_STOPPED);
299            break;
300
301        case STATE_PREPARED:
302        case STATE_STOPPED:
303        case STATE_STOPPED_AND_PREPARING:
304        case STATE_STOPPED_AND_PREPARED:
305            mState = STATE_STOPPED;
306            break;
307
308        default:
309            return INVALID_OPERATION;
310    }
311    setPauseStartedTimeIfNeeded();
312
313    return OK;
314}
315
316status_t NuPlayerDriver::pause() {
317    Mutex::Autolock autoLock(mLock);
318
319    switch (mState) {
320        case STATE_PAUSED:
321        case STATE_PREPARED:
322            return OK;
323
324        case STATE_RUNNING:
325            setPauseStartedTimeIfNeeded();
326            mState = STATE_PAUSED;
327            notifyListener_l(MEDIA_PAUSED);
328            mPlayer->pause();
329            break;
330
331        default:
332            return INVALID_OPERATION;
333    }
334
335    return OK;
336}
337
338bool NuPlayerDriver::isPlaying() {
339    return mState == STATE_RUNNING && !mAtEOS;
340}
341
342status_t NuPlayerDriver::seekTo(int msec) {
343    Mutex::Autolock autoLock(mLock);
344
345    int64_t seekTimeUs = msec * 1000ll;
346
347    switch (mState) {
348        case STATE_PREPARED:
349        {
350            mStartupSeekTimeUs = seekTimeUs;
351            // pretend that the seek completed. It will actually happen when starting playback.
352            // TODO: actually perform the seek here, so the player is ready to go at the new
353            // location
354            notifySeekComplete_l();
355            break;
356        }
357
358        case STATE_RUNNING:
359        case STATE_PAUSED:
360        {
361            mAtEOS = false;
362            // seeks can take a while, so we essentially paused
363            notifyListener_l(MEDIA_PAUSED);
364            mPlayer->seekToAsync(seekTimeUs);
365            break;
366        }
367
368        default:
369            return INVALID_OPERATION;
370    }
371
372    mPositionUs = seekTimeUs;
373    mNotifyTimeRealUs = -1;
374    return OK;
375}
376
377status_t NuPlayerDriver::getCurrentPosition(int *msec) {
378    Mutex::Autolock autoLock(mLock);
379
380    if (mPositionUs < 0) {
381        *msec = 0;
382    } else if (mNotifyTimeRealUs == -1) {
383        *msec = mPositionUs / 1000;
384    } else {
385        int64_t nowUs =
386                (isPlaying() ?  ALooper::GetNowUs() : mPauseStartedTimeUs);
387        *msec = (mPositionUs + nowUs - mNotifyTimeRealUs + 500ll) / 1000;
388    }
389
390    return OK;
391}
392
393status_t NuPlayerDriver::getDuration(int *msec) {
394    Mutex::Autolock autoLock(mLock);
395
396    if (mDurationUs < 0) {
397        return UNKNOWN_ERROR;
398    }
399
400    *msec = (mDurationUs + 500ll) / 1000;
401
402    return OK;
403}
404
405status_t NuPlayerDriver::reset() {
406    Mutex::Autolock autoLock(mLock);
407
408    switch (mState) {
409        case STATE_IDLE:
410            return OK;
411
412        case STATE_SET_DATASOURCE_PENDING:
413        case STATE_RESET_IN_PROGRESS:
414            return INVALID_OPERATION;
415
416        case STATE_PREPARING:
417        {
418            CHECK(mIsAsyncPrepare);
419
420            notifyListener_l(MEDIA_PREPARED);
421            break;
422        }
423
424        default:
425            break;
426    }
427
428    if (mState != STATE_STOPPED) {
429        notifyListener_l(MEDIA_STOPPED);
430    }
431
432    mState = STATE_RESET_IN_PROGRESS;
433    mPlayer->resetAsync();
434
435    while (mState == STATE_RESET_IN_PROGRESS) {
436        mCondition.wait(mLock);
437    }
438
439    mDurationUs = -1;
440    mPositionUs = -1;
441    mStartupSeekTimeUs = -1;
442    mLooping = false;
443
444    return OK;
445}
446
447status_t NuPlayerDriver::setLooping(int loop) {
448    mLooping = loop != 0;
449    return OK;
450}
451
452player_type NuPlayerDriver::playerType() {
453    return NU_PLAYER;
454}
455
456status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
457    if (reply == NULL) {
458        ALOGE("reply is a NULL pointer");
459        return BAD_VALUE;
460    }
461
462    int32_t methodId;
463    status_t ret = request.readInt32(&methodId);
464    if (ret != OK) {
465        ALOGE("Failed to retrieve the requested method to invoke");
466        return ret;
467    }
468
469    switch (methodId) {
470        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
471        {
472            int mode = request.readInt32();
473            return mPlayer->setVideoScalingMode(mode);
474        }
475
476        case INVOKE_ID_GET_TRACK_INFO:
477        {
478            return mPlayer->getTrackInfo(reply);
479        }
480
481        case INVOKE_ID_SELECT_TRACK:
482        {
483            int trackIndex = request.readInt32();
484            return mPlayer->selectTrack(trackIndex, true /* select */);
485        }
486
487        case INVOKE_ID_UNSELECT_TRACK:
488        {
489            int trackIndex = request.readInt32();
490            return mPlayer->selectTrack(trackIndex, false /* select */);
491        }
492
493        case INVOKE_ID_GET_SELECTED_TRACK:
494        {
495            int32_t type = request.readInt32();
496            return mPlayer->getSelectedTrack(type, reply);
497        }
498
499        default:
500        {
501            return INVALID_OPERATION;
502        }
503    }
504}
505
506void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
507    mPlayer->setAudioSink(audioSink);
508}
509
510status_t NuPlayerDriver::setParameter(
511        int /* key */, const Parcel & /* request */) {
512    return INVALID_OPERATION;
513}
514
515status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
516    return INVALID_OPERATION;
517}
518
519status_t NuPlayerDriver::getMetadata(
520        const media::Metadata::Filter& /* ids */, Parcel *records) {
521    Mutex::Autolock autoLock(mLock);
522
523    using media::Metadata;
524
525    Metadata meta(records);
526
527    meta.appendBool(
528            Metadata::kPauseAvailable,
529            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
530
531    meta.appendBool(
532            Metadata::kSeekBackwardAvailable,
533            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
534
535    meta.appendBool(
536            Metadata::kSeekForwardAvailable,
537            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
538
539    meta.appendBool(
540            Metadata::kSeekAvailable,
541            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
542
543    return OK;
544}
545
546void NuPlayerDriver::notifyResetComplete() {
547    Mutex::Autolock autoLock(mLock);
548
549    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
550    mState = STATE_IDLE;
551    mCondition.broadcast();
552}
553
554void NuPlayerDriver::notifySetSurfaceComplete() {
555    Mutex::Autolock autoLock(mLock);
556
557    CHECK(mSetSurfaceInProgress);
558    mSetSurfaceInProgress = false;
559
560    mCondition.broadcast();
561}
562
563void NuPlayerDriver::notifyDuration(int64_t durationUs) {
564    Mutex::Autolock autoLock(mLock);
565    mDurationUs = durationUs;
566}
567
568void NuPlayerDriver::notifyPosition(int64_t positionUs) {
569    Mutex::Autolock autoLock(mLock);
570    if (isPlaying()) {
571        mPositionUs = positionUs;
572        mNotifyTimeRealUs = ALooper::GetNowUs();
573    }
574}
575
576void NuPlayerDriver::notifySeekComplete() {
577    Mutex::Autolock autoLock(mLock);
578    notifySeekComplete_l();
579}
580
581void NuPlayerDriver::notifySeekComplete_l() {
582    bool wasSeeking = true;
583    if (mState == STATE_STOPPED_AND_PREPARING) {
584        wasSeeking = false;
585        mState = STATE_STOPPED_AND_PREPARED;
586        mCondition.broadcast();
587        if (!mIsAsyncPrepare) {
588            // if we are preparing synchronously, no need to notify listener
589            return;
590        }
591    } else if (mState == STATE_STOPPED) {
592        // no need to notify listener
593        return;
594    }
595    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
596}
597
598void NuPlayerDriver::notifyFrameStats(
599        int64_t numFramesTotal, int64_t numFramesDropped) {
600    Mutex::Autolock autoLock(mLock);
601    mNumFramesTotal = numFramesTotal;
602    mNumFramesDropped = numFramesDropped;
603}
604
605status_t NuPlayerDriver::dump(
606        int fd, const Vector<String16> & /* args */) const {
607    Mutex::Autolock autoLock(mLock);
608
609    FILE *out = fdopen(dup(fd), "w");
610
611    fprintf(out, " NuPlayer\n");
612    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
613                 "percentageDropped(%.2f)\n",
614                 mNumFramesTotal,
615                 mNumFramesDropped,
616                 mNumFramesTotal == 0
617                    ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal);
618
619    fclose(out);
620    out = NULL;
621
622    return OK;
623}
624
625void NuPlayerDriver::notifyListener(
626        int msg, int ext1, int ext2, const Parcel *in) {
627    Mutex::Autolock autoLock(mLock);
628    notifyListener_l(msg, ext1, ext2, in);
629}
630
631void NuPlayerDriver::notifyListener_l(
632        int msg, int ext1, int ext2, const Parcel *in) {
633    switch (msg) {
634        case MEDIA_PLAYBACK_COMPLETE:
635        {
636            if (mState != STATE_RESET_IN_PROGRESS) {
637                if (mLooping) {
638                    mPlayer->seekToAsync(0);
639                    break;
640                }
641
642                mPlayer->pause();
643                mState = STATE_PAUSED;
644            }
645            // fall through
646        }
647
648        case MEDIA_ERROR:
649        {
650            mAtEOS = true;
651            setPauseStartedTimeIfNeeded();
652            break;
653        }
654
655        default:
656            break;
657    }
658
659    mLock.unlock();
660    sendEvent(msg, ext1, ext2, in);
661    mLock.lock();
662}
663
664void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
665    Mutex::Autolock autoLock(mLock);
666
667    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
668
669    mAsyncResult = err;
670    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
671    mCondition.broadcast();
672}
673
674void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
675    Mutex::Autolock autoLock(mLock);
676
677    if (mState != STATE_PREPARING) {
678        // We were preparing asynchronously when the client called
679        // reset(), we sent a premature "prepared" notification and
680        // then initiated the reset. This notification is stale.
681        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
682        return;
683    }
684
685    CHECK_EQ(mState, STATE_PREPARING);
686
687    mAsyncResult = err;
688
689    if (err == OK) {
690        // update state before notifying client, so that if client calls back into NuPlayerDriver
691        // in response, NuPlayerDriver has the right state
692        mState = STATE_PREPARED;
693        if (mIsAsyncPrepare) {
694            notifyListener_l(MEDIA_PREPARED);
695        }
696    } else {
697        mState = STATE_UNPREPARED;
698        if (mIsAsyncPrepare) {
699            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
700        }
701    }
702
703    mCondition.broadcast();
704}
705
706void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
707    Mutex::Autolock autoLock(mLock);
708
709    mPlayerFlags = flags;
710}
711
712void NuPlayerDriver::setPauseStartedTimeIfNeeded() {
713    if (mPauseStartedTimeUs == -1) {
714        mPauseStartedTimeUs = ALooper::GetNowUs();
715    }
716}
717
718}  // namespace android
719