NuPlayerDriver.cpp revision f0b72b509ab1147a2a0925aced970dd68fd7fa4f 
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            mPlayer->resume();
268            mPositionUs -= ALooper::GetNowUs() - mPauseStartedTimeUs;
269            break;
270        }
271
272        default:
273            return INVALID_OPERATION;
274    }
275
276    mState = STATE_RUNNING;
277    mPauseStartedTimeUs = -1;
278
279    return OK;
280}
281
282status_t NuPlayerDriver::stop() {
283    Mutex::Autolock autoLock(mLock);
284
285    switch (mState) {
286        case STATE_RUNNING:
287            mPlayer->pause();
288            // fall through
289
290        case STATE_PAUSED:
291            mState = STATE_STOPPED;
292            notifyListener_l(MEDIA_STOPPED);
293            break;
294
295        case STATE_PREPARED:
296        case STATE_STOPPED:
297        case STATE_STOPPED_AND_PREPARING:
298        case STATE_STOPPED_AND_PREPARED:
299            mState = STATE_STOPPED;
300            break;
301
302        default:
303            return INVALID_OPERATION;
304    }
305    setPauseStartedTimeIfNeeded();
306
307    return OK;
308}
309
310status_t NuPlayerDriver::pause() {
311    Mutex::Autolock autoLock(mLock);
312
313    switch (mState) {
314        case STATE_PAUSED:
315        case STATE_PREPARED:
316            return OK;
317
318        case STATE_RUNNING:
319            setPauseStartedTimeIfNeeded();
320            mState = STATE_PAUSED;
321            notifyListener_l(MEDIA_PAUSED);
322            mPlayer->pause();
323            break;
324
325        default:
326            return INVALID_OPERATION;
327    }
328
329    return OK;
330}
331
332bool NuPlayerDriver::isPlaying() {
333    return mState == STATE_RUNNING && !mAtEOS;
334}
335
336status_t NuPlayerDriver::seekTo(int msec) {
337    Mutex::Autolock autoLock(mLock);
338
339    int64_t seekTimeUs = msec * 1000ll;
340
341    switch (mState) {
342        case STATE_PREPARED:
343        {
344            mStartupSeekTimeUs = seekTimeUs;
345            // pretend that the seek completed. It will actually happen when starting playback.
346            // TODO: actually perform the seek here, so the player is ready to go at the new
347            // location
348            notifySeekComplete_l();
349            break;
350        }
351
352        case STATE_RUNNING:
353        case STATE_PAUSED:
354        {
355            mAtEOS = false;
356            // seeks can take a while, so we essentially paused
357            notifyListener_l(MEDIA_PAUSED);
358            mPlayer->seekToAsync(seekTimeUs);
359            break;
360        }
361
362        default:
363            return INVALID_OPERATION;
364    }
365
366    mPositionUs = seekTimeUs;
367    mNotifyTimeRealUs = -1;
368    return OK;
369}
370
371status_t NuPlayerDriver::getCurrentPosition(int *msec) {
372    Mutex::Autolock autoLock(mLock);
373
374    if (mPositionUs < 0) {
375        *msec = 0;
376    } else if (mNotifyTimeRealUs == -1) {
377        *msec = mPositionUs / 1000;
378    } else {
379        int64_t nowUs =
380                (isPlaying() ?  ALooper::GetNowUs() : mPauseStartedTimeUs);
381        *msec = (mPositionUs + nowUs - mNotifyTimeRealUs + 500ll) / 1000;
382    }
383
384    return OK;
385}
386
387status_t NuPlayerDriver::getDuration(int *msec) {
388    Mutex::Autolock autoLock(mLock);
389
390    if (mDurationUs < 0) {
391        return UNKNOWN_ERROR;
392    }
393
394    *msec = (mDurationUs + 500ll) / 1000;
395
396    return OK;
397}
398
399status_t NuPlayerDriver::reset() {
400    Mutex::Autolock autoLock(mLock);
401
402    switch (mState) {
403        case STATE_IDLE:
404            return OK;
405
406        case STATE_SET_DATASOURCE_PENDING:
407        case STATE_RESET_IN_PROGRESS:
408            return INVALID_OPERATION;
409
410        case STATE_PREPARING:
411        {
412            CHECK(mIsAsyncPrepare);
413
414            notifyListener_l(MEDIA_PREPARED);
415            break;
416        }
417
418        default:
419            break;
420    }
421
422    if (mState != STATE_STOPPED) {
423        notifyListener_l(MEDIA_STOPPED);
424    }
425
426    mState = STATE_RESET_IN_PROGRESS;
427    mPlayer->resetAsync();
428
429    while (mState == STATE_RESET_IN_PROGRESS) {
430        mCondition.wait(mLock);
431    }
432
433    mDurationUs = -1;
434    mPositionUs = -1;
435    mStartupSeekTimeUs = -1;
436    mLooping = false;
437
438    return OK;
439}
440
441status_t NuPlayerDriver::setLooping(int loop) {
442    mLooping = loop != 0;
443    return OK;
444}
445
446player_type NuPlayerDriver::playerType() {
447    return NU_PLAYER;
448}
449
450status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
451    if (reply == NULL) {
452        ALOGE("reply is a NULL pointer");
453        return BAD_VALUE;
454    }
455
456    int32_t methodId;
457    status_t ret = request.readInt32(&methodId);
458    if (ret != OK) {
459        ALOGE("Failed to retrieve the requested method to invoke");
460        return ret;
461    }
462
463    switch (methodId) {
464        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
465        {
466            int mode = request.readInt32();
467            return mPlayer->setVideoScalingMode(mode);
468        }
469
470        case INVOKE_ID_GET_TRACK_INFO:
471        {
472            return mPlayer->getTrackInfo(reply);
473        }
474
475        case INVOKE_ID_SELECT_TRACK:
476        {
477            int trackIndex = request.readInt32();
478            return mPlayer->selectTrack(trackIndex, true /* select */);
479        }
480
481        case INVOKE_ID_UNSELECT_TRACK:
482        {
483            int trackIndex = request.readInt32();
484            return mPlayer->selectTrack(trackIndex, false /* select */);
485        }
486
487        case INVOKE_ID_GET_SELECTED_TRACK:
488        {
489            int32_t type = request.readInt32();
490            return mPlayer->getSelectedTrack(type, reply);
491        }
492
493        default:
494        {
495            return INVALID_OPERATION;
496        }
497    }
498}
499
500void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
501    mPlayer->setAudioSink(audioSink);
502    mAudioSink = audioSink;
503}
504
505status_t NuPlayerDriver::setParameter(
506        int /* key */, const Parcel & /* request */) {
507    return INVALID_OPERATION;
508}
509
510status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
511    return INVALID_OPERATION;
512}
513
514status_t NuPlayerDriver::getMetadata(
515        const media::Metadata::Filter& /* ids */, Parcel *records) {
516    Mutex::Autolock autoLock(mLock);
517
518    using media::Metadata;
519
520    Metadata meta(records);
521
522    meta.appendBool(
523            Metadata::kPauseAvailable,
524            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
525
526    meta.appendBool(
527            Metadata::kSeekBackwardAvailable,
528            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
529
530    meta.appendBool(
531            Metadata::kSeekForwardAvailable,
532            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
533
534    meta.appendBool(
535            Metadata::kSeekAvailable,
536            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
537
538    return OK;
539}
540
541void NuPlayerDriver::notifyResetComplete() {
542    Mutex::Autolock autoLock(mLock);
543
544    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
545    mState = STATE_IDLE;
546    mCondition.broadcast();
547}
548
549void NuPlayerDriver::notifySetSurfaceComplete() {
550    Mutex::Autolock autoLock(mLock);
551
552    CHECK(mSetSurfaceInProgress);
553    mSetSurfaceInProgress = false;
554
555    mCondition.broadcast();
556}
557
558void NuPlayerDriver::notifyDuration(int64_t durationUs) {
559    Mutex::Autolock autoLock(mLock);
560    mDurationUs = durationUs;
561}
562
563void NuPlayerDriver::notifyPosition(int64_t positionUs) {
564    Mutex::Autolock autoLock(mLock);
565    if (isPlaying()) {
566        mPositionUs = positionUs;
567        mNotifyTimeRealUs = ALooper::GetNowUs();
568    }
569}
570
571void NuPlayerDriver::notifySeekComplete() {
572    Mutex::Autolock autoLock(mLock);
573    notifySeekComplete_l();
574}
575
576void NuPlayerDriver::notifySeekComplete_l() {
577    bool wasSeeking = true;
578    if (mState == STATE_STOPPED_AND_PREPARING) {
579        wasSeeking = false;
580        mState = STATE_STOPPED_AND_PREPARED;
581        mCondition.broadcast();
582        if (!mIsAsyncPrepare) {
583            // if we are preparing synchronously, no need to notify listener
584            return;
585        }
586    } else if (mState == STATE_STOPPED) {
587        // no need to notify listener
588        return;
589    }
590    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
591}
592
593void NuPlayerDriver::notifyFrameStats(
594        int64_t numFramesTotal, int64_t numFramesDropped) {
595    Mutex::Autolock autoLock(mLock);
596    mNumFramesTotal = numFramesTotal;
597    mNumFramesDropped = numFramesDropped;
598}
599
600status_t NuPlayerDriver::dump(
601        int fd, const Vector<String16> & /* args */) const {
602    Mutex::Autolock autoLock(mLock);
603
604    FILE *out = fdopen(dup(fd), "w");
605
606    fprintf(out, " NuPlayer\n");
607    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
608                 "percentageDropped(%.2f)\n",
609                 mNumFramesTotal,
610                 mNumFramesDropped,
611                 mNumFramesTotal == 0
612                    ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal);
613
614    fclose(out);
615    out = NULL;
616
617    return OK;
618}
619
620void NuPlayerDriver::notifyListener(
621        int msg, int ext1, int ext2, const Parcel *in) {
622    Mutex::Autolock autoLock(mLock);
623    notifyListener_l(msg, ext1, ext2, in);
624}
625
626void NuPlayerDriver::notifyListener_l(
627        int msg, int ext1, int ext2, const Parcel *in) {
628    switch (msg) {
629        case MEDIA_PLAYBACK_COMPLETE:
630        {
631            if (mState != STATE_RESET_IN_PROGRESS) {
632                if (mLooping || (mAutoLoop
633                        && (mAudioSink == NULL || mAudioSink->realtime()))) {
634                    mPlayer->seekToAsync(0);
635                    break;
636                }
637
638                mPlayer->pause();
639                mState = STATE_PAUSED;
640            }
641            // fall through
642        }
643
644        case MEDIA_ERROR:
645        {
646            mAtEOS = true;
647            setPauseStartedTimeIfNeeded();
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
715void NuPlayerDriver::setPauseStartedTimeIfNeeded() {
716    if (mPauseStartedTimeUs == -1) {
717        mPauseStartedTimeUs = ALooper::GetNowUs();
718    }
719}
720
721}  // namespace android
722