NuPlayerDriver.cpp revision 5e5a6e100920679f20b4d7fae0d8866ec5053f7e 
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      mAutoLoop(false),
49      mStartupSeekTimeUs(-1) {
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    mLooper->stop();
65}
66
67status_t NuPlayerDriver::initCheck() {
68    return OK;
69}
70
71status_t NuPlayerDriver::setUID(uid_t uid) {
72    mPlayer->setUID(uid);
73
74    return OK;
75}
76
77status_t NuPlayerDriver::setDataSource(
78        const sp<IMediaHTTPService> &httpService,
79        const char *url,
80        const KeyedVector<String8, String8> *headers) {
81    Mutex::Autolock autoLock(mLock);
82
83    ALOGV("setDataSource: url=%s", url);
84    if (mState != STATE_IDLE) {
85        return INVALID_OPERATION;
86    }
87
88    mState = STATE_SET_DATASOURCE_PENDING;
89
90    mPlayer->setDataSourceAsync(httpService, url, headers);
91
92    while (mState == STATE_SET_DATASOURCE_PENDING) {
93        mCondition.wait(mLock);
94    }
95
96    return mAsyncResult;
97}
98
99status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) {
100    Mutex::Autolock autoLock(mLock);
101
102    ALOGV("setDataSource: fd=%d", fd);
103    if (mState != STATE_IDLE) {
104        return INVALID_OPERATION;
105    }
106
107    mState = STATE_SET_DATASOURCE_PENDING;
108
109    mPlayer->setDataSourceAsync(fd, offset, length);
110
111    while (mState == STATE_SET_DATASOURCE_PENDING) {
112        mCondition.wait(mLock);
113    }
114
115    return mAsyncResult;
116}
117
118status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) {
119    Mutex::Autolock autoLock(mLock);
120
121    ALOGV("setDataSource: stream source");
122    if (mState != STATE_IDLE) {
123        return INVALID_OPERATION;
124    }
125
126    mState = STATE_SET_DATASOURCE_PENDING;
127
128    mPlayer->setDataSourceAsync(source);
129
130    while (mState == STATE_SET_DATASOURCE_PENDING) {
131        mCondition.wait(mLock);
132    }
133
134    return mAsyncResult;
135}
136
137status_t NuPlayerDriver::setVideoSurfaceTexture(
138        const sp<IGraphicBufferProducer> &bufferProducer) {
139    Mutex::Autolock autoLock(mLock);
140
141    if (mSetSurfaceInProgress) {
142        return INVALID_OPERATION;
143    }
144
145    switch (mState) {
146        case STATE_SET_DATASOURCE_PENDING:
147        case STATE_RESET_IN_PROGRESS:
148            return INVALID_OPERATION;
149
150        default:
151            break;
152    }
153
154    mSetSurfaceInProgress = true;
155
156    mPlayer->setVideoSurfaceTextureAsync(bufferProducer);
157
158    while (mSetSurfaceInProgress) {
159        mCondition.wait(mLock);
160    }
161
162    return OK;
163}
164
165status_t NuPlayerDriver::prepare() {
166    Mutex::Autolock autoLock(mLock);
167    return prepare_l();
168}
169
170status_t NuPlayerDriver::prepare_l() {
171    switch (mState) {
172        case STATE_UNPREPARED:
173            mState = STATE_PREPARING;
174
175            // Make sure we're not posting any notifications, success or
176            // failure information is only communicated through our result
177            // code.
178            mIsAsyncPrepare = false;
179            mPlayer->prepareAsync();
180            while (mState == STATE_PREPARING) {
181                mCondition.wait(mLock);
182            }
183            return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR;
184        case STATE_STOPPED:
185            // this is really just paused. handle as seek to start
186            mAtEOS = false;
187            mState = STATE_STOPPED_AND_PREPARING;
188            mIsAsyncPrepare = false;
189            mPlayer->seekToAsync(0);
190            while (mState == STATE_STOPPED_AND_PREPARING) {
191                mCondition.wait(mLock);
192            }
193            return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR;
194        default:
195            return INVALID_OPERATION;
196    };
197}
198
199status_t NuPlayerDriver::prepareAsync() {
200    Mutex::Autolock autoLock(mLock);
201
202    switch (mState) {
203        case STATE_UNPREPARED:
204            mState = STATE_PREPARING;
205            mIsAsyncPrepare = true;
206            mPlayer->prepareAsync();
207            return OK;
208        case STATE_STOPPED:
209            // this is really just paused. handle as seek to start
210            mAtEOS = false;
211            mState = STATE_STOPPED_AND_PREPARING;
212            mIsAsyncPrepare = true;
213            mPlayer->seekToAsync(0);
214            return OK;
215        default:
216            return INVALID_OPERATION;
217    };
218}
219
220status_t NuPlayerDriver::start() {
221    Mutex::Autolock autoLock(mLock);
222
223    switch (mState) {
224        case STATE_UNPREPARED:
225        {
226            status_t err = prepare_l();
227
228            if (err != OK) {
229                return err;
230            }
231
232            CHECK_EQ(mState, STATE_PREPARED);
233
234            // fall through
235        }
236
237        case STATE_PREPARED:
238        {
239            mAtEOS = false;
240            mPlayer->start();
241
242            if (mStartupSeekTimeUs >= 0) {
243                if (mStartupSeekTimeUs == 0) {
244                    notifySeekComplete_l();
245                } else {
246                    mPlayer->seekToAsync(mStartupSeekTimeUs);
247                }
248
249                mStartupSeekTimeUs = -1;
250            }
251            break;
252        }
253
254        case STATE_RUNNING:
255        {
256            if (mAtEOS) {
257                mPlayer->seekToAsync(0);
258                mAtEOS = false;
259                mPositionUs = -1;
260            }
261            break;
262        }
263
264        case STATE_PAUSED:
265        case STATE_STOPPED_AND_PREPARED:
266        {
267            if (mAtEOS) {
268                mPlayer->seekToAsync(0);
269                mAtEOS = false;
270                mPlayer->resume();
271                mPositionUs = -1;
272            } else {
273                mPlayer->resume();
274                mPositionUs -= ALooper::GetNowUs() - mPauseStartedTimeUs;
275            }
276            break;
277        }
278
279        default:
280            return INVALID_OPERATION;
281    }
282
283    mState = STATE_RUNNING;
284    mPauseStartedTimeUs = -1;
285
286    return OK;
287}
288
289status_t NuPlayerDriver::stop() {
290    Mutex::Autolock autoLock(mLock);
291
292    switch (mState) {
293        case STATE_RUNNING:
294            mPlayer->pause();
295            // fall through
296
297        case STATE_PAUSED:
298            mState = STATE_STOPPED;
299            notifyListener_l(MEDIA_STOPPED);
300            break;
301
302        case STATE_PREPARED:
303        case STATE_STOPPED:
304        case STATE_STOPPED_AND_PREPARING:
305        case STATE_STOPPED_AND_PREPARED:
306            mState = STATE_STOPPED;
307            break;
308
309        default:
310            return INVALID_OPERATION;
311    }
312    setPauseStartedTimeIfNeeded();
313
314    return OK;
315}
316
317status_t NuPlayerDriver::pause() {
318    Mutex::Autolock autoLock(mLock);
319
320    switch (mState) {
321        case STATE_PAUSED:
322        case STATE_PREPARED:
323            return OK;
324
325        case STATE_RUNNING:
326            setPauseStartedTimeIfNeeded();
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    Mutex::Autolock autoLock(mLock);
345
346    int64_t seekTimeUs = msec * 1000ll;
347
348    switch (mState) {
349        case STATE_PREPARED:
350        {
351            mStartupSeekTimeUs = seekTimeUs;
352            // pretend that the seek completed. It will actually happen when starting playback.
353            // TODO: actually perform the seek here, so the player is ready to go at the new
354            // location
355            notifySeekComplete_l();
356            break;
357        }
358
359        case STATE_RUNNING:
360        case STATE_PAUSED:
361        {
362            mAtEOS = false;
363            // seeks can take a while, so we essentially paused
364            notifyListener_l(MEDIA_PAUSED);
365            mPlayer->seekToAsync(seekTimeUs);
366            break;
367        }
368
369        default:
370            return INVALID_OPERATION;
371    }
372
373    mPositionUs = seekTimeUs;
374    mNotifyTimeRealUs = -1;
375    return OK;
376}
377
378status_t NuPlayerDriver::getCurrentPosition(int *msec) {
379    Mutex::Autolock autoLock(mLock);
380
381    if (mPositionUs < 0) {
382        *msec = 0;
383    } else if (mNotifyTimeRealUs == -1) {
384        *msec = mPositionUs / 1000;
385    } else {
386        int64_t nowUs =
387                (isPlaying() ?  ALooper::GetNowUs() : mPauseStartedTimeUs);
388        *msec = (mPositionUs + nowUs - mNotifyTimeRealUs + 500ll) / 1000;
389    }
390
391    return OK;
392}
393
394status_t NuPlayerDriver::getDuration(int *msec) {
395    Mutex::Autolock autoLock(mLock);
396
397    if (mDurationUs < 0) {
398        return UNKNOWN_ERROR;
399    }
400
401    *msec = (mDurationUs + 500ll) / 1000;
402
403    return OK;
404}
405
406status_t NuPlayerDriver::reset() {
407    Mutex::Autolock autoLock(mLock);
408
409    switch (mState) {
410        case STATE_IDLE:
411            return OK;
412
413        case STATE_SET_DATASOURCE_PENDING:
414        case STATE_RESET_IN_PROGRESS:
415            return INVALID_OPERATION;
416
417        case STATE_PREPARING:
418        {
419            CHECK(mIsAsyncPrepare);
420
421            notifyListener_l(MEDIA_PREPARED);
422            break;
423        }
424
425        default:
426            break;
427    }
428
429    if (mState != STATE_STOPPED) {
430        notifyListener_l(MEDIA_STOPPED);
431    }
432
433    mState = STATE_RESET_IN_PROGRESS;
434    mPlayer->resetAsync();
435
436    while (mState == STATE_RESET_IN_PROGRESS) {
437        mCondition.wait(mLock);
438    }
439
440    mDurationUs = -1;
441    mPositionUs = -1;
442    mStartupSeekTimeUs = -1;
443    mLooping = false;
444
445    return OK;
446}
447
448status_t NuPlayerDriver::setLooping(int loop) {
449    mLooping = loop != 0;
450    return OK;
451}
452
453player_type NuPlayerDriver::playerType() {
454    return NU_PLAYER;
455}
456
457status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
458    if (reply == NULL) {
459        ALOGE("reply is a NULL pointer");
460        return BAD_VALUE;
461    }
462
463    int32_t methodId;
464    status_t ret = request.readInt32(&methodId);
465    if (ret != OK) {
466        ALOGE("Failed to retrieve the requested method to invoke");
467        return ret;
468    }
469
470    switch (methodId) {
471        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
472        {
473            int mode = request.readInt32();
474            return mPlayer->setVideoScalingMode(mode);
475        }
476
477        case INVOKE_ID_GET_TRACK_INFO:
478        {
479            return mPlayer->getTrackInfo(reply);
480        }
481
482        case INVOKE_ID_SELECT_TRACK:
483        {
484            int trackIndex = request.readInt32();
485            return mPlayer->selectTrack(trackIndex, true /* select */);
486        }
487
488        case INVOKE_ID_UNSELECT_TRACK:
489        {
490            int trackIndex = request.readInt32();
491            return mPlayer->selectTrack(trackIndex, false /* select */);
492        }
493
494        case INVOKE_ID_GET_SELECTED_TRACK:
495        {
496            int32_t type = request.readInt32();
497            return mPlayer->getSelectedTrack(type, reply);
498        }
499
500        default:
501        {
502            return INVALID_OPERATION;
503        }
504    }
505}
506
507void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
508    mPlayer->setAudioSink(audioSink);
509    mAudioSink = audioSink;
510}
511
512status_t NuPlayerDriver::setParameter(
513        int /* key */, const Parcel & /* request */) {
514    return INVALID_OPERATION;
515}
516
517status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
518    return INVALID_OPERATION;
519}
520
521status_t NuPlayerDriver::getMetadata(
522        const media::Metadata::Filter& /* ids */, Parcel *records) {
523    Mutex::Autolock autoLock(mLock);
524
525    using media::Metadata;
526
527    Metadata meta(records);
528
529    meta.appendBool(
530            Metadata::kPauseAvailable,
531            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
532
533    meta.appendBool(
534            Metadata::kSeekBackwardAvailable,
535            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
536
537    meta.appendBool(
538            Metadata::kSeekForwardAvailable,
539            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
540
541    meta.appendBool(
542            Metadata::kSeekAvailable,
543            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
544
545    return OK;
546}
547
548void NuPlayerDriver::notifyResetComplete() {
549    Mutex::Autolock autoLock(mLock);
550
551    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
552    mState = STATE_IDLE;
553    mCondition.broadcast();
554}
555
556void NuPlayerDriver::notifySetSurfaceComplete() {
557    Mutex::Autolock autoLock(mLock);
558
559    CHECK(mSetSurfaceInProgress);
560    mSetSurfaceInProgress = false;
561
562    mCondition.broadcast();
563}
564
565void NuPlayerDriver::notifyDuration(int64_t durationUs) {
566    Mutex::Autolock autoLock(mLock);
567    mDurationUs = durationUs;
568}
569
570void NuPlayerDriver::notifyPosition(int64_t positionUs) {
571    Mutex::Autolock autoLock(mLock);
572    if (isPlaying()) {
573        mPositionUs = positionUs;
574        mNotifyTimeRealUs = ALooper::GetNowUs();
575    }
576}
577
578void NuPlayerDriver::notifySeekComplete() {
579    Mutex::Autolock autoLock(mLock);
580    notifySeekComplete_l();
581}
582
583void NuPlayerDriver::notifySeekComplete_l() {
584    bool wasSeeking = true;
585    if (mState == STATE_STOPPED_AND_PREPARING) {
586        wasSeeking = false;
587        mState = STATE_STOPPED_AND_PREPARED;
588        mCondition.broadcast();
589        if (!mIsAsyncPrepare) {
590            // if we are preparing synchronously, no need to notify listener
591            return;
592        }
593    } else if (mState == STATE_STOPPED) {
594        // no need to notify listener
595        return;
596    }
597    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
598}
599
600void NuPlayerDriver::notifyFrameStats(
601        int64_t numFramesTotal, int64_t numFramesDropped) {
602    Mutex::Autolock autoLock(mLock);
603    mNumFramesTotal = numFramesTotal;
604    mNumFramesDropped = numFramesDropped;
605}
606
607status_t NuPlayerDriver::dump(
608        int fd, const Vector<String16> & /* args */) const {
609    Mutex::Autolock autoLock(mLock);
610
611    FILE *out = fdopen(dup(fd), "w");
612
613    fprintf(out, " NuPlayer\n");
614    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
615                 "percentageDropped(%.2f)\n",
616                 mNumFramesTotal,
617                 mNumFramesDropped,
618                 mNumFramesTotal == 0
619                    ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal);
620
621    fclose(out);
622    out = NULL;
623
624    return OK;
625}
626
627void NuPlayerDriver::notifyListener(
628        int msg, int ext1, int ext2, const Parcel *in) {
629    Mutex::Autolock autoLock(mLock);
630    notifyListener_l(msg, ext1, ext2, in);
631}
632
633void NuPlayerDriver::notifyListener_l(
634        int msg, int ext1, int ext2, const Parcel *in) {
635    switch (msg) {
636        case MEDIA_PLAYBACK_COMPLETE:
637        {
638            if (mState != STATE_RESET_IN_PROGRESS) {
639                if (mLooping || (mAutoLoop
640                        && (mAudioSink == NULL || mAudioSink->realtime()))) {
641                    mPlayer->seekToAsync(0);
642                    break;
643                }
644
645                mPlayer->pause();
646                mState = STATE_PAUSED;
647            }
648            // fall through
649        }
650
651        case MEDIA_ERROR:
652        {
653            mAtEOS = true;
654            setPauseStartedTimeIfNeeded();
655            break;
656        }
657
658        default:
659            break;
660    }
661
662    mLock.unlock();
663    sendEvent(msg, ext1, ext2, in);
664    mLock.lock();
665}
666
667void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
668    Mutex::Autolock autoLock(mLock);
669
670    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
671
672    mAsyncResult = err;
673    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
674    mCondition.broadcast();
675}
676
677void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
678    Mutex::Autolock autoLock(mLock);
679
680    if (mState != STATE_PREPARING) {
681        // We were preparing asynchronously when the client called
682        // reset(), we sent a premature "prepared" notification and
683        // then initiated the reset. This notification is stale.
684        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
685        return;
686    }
687
688    CHECK_EQ(mState, STATE_PREPARING);
689
690    mAsyncResult = err;
691
692    if (err == OK) {
693        // update state before notifying client, so that if client calls back into NuPlayerDriver
694        // in response, NuPlayerDriver has the right state
695        mState = STATE_PREPARED;
696        if (mIsAsyncPrepare) {
697            notifyListener_l(MEDIA_PREPARED);
698        }
699    } else {
700        mState = STATE_UNPREPARED;
701        if (mIsAsyncPrepare) {
702            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
703        }
704    }
705
706    sp<MetaData> meta = mPlayer->getFileMeta();
707    int32_t loop;
708    if (meta != NULL
709            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
710        mAutoLoop = true;
711    }
712
713    mCondition.broadcast();
714}
715
716void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
717    Mutex::Autolock autoLock(mLock);
718
719    mPlayerFlags = flags;
720}
721
722void NuPlayerDriver::setPauseStartedTimeIfNeeded() {
723    if (mPauseStartedTimeUs == -1) {
724        mPauseStartedTimeUs = ALooper::GetNowUs();
725    }
726}
727
728}  // namespace android
729