NuPlayerDriver.cpp revision 0951ed3cd4fd322453d5c9619e5089c9b620a7ae 
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_PAUSED:
243        case STATE_STOPPED_AND_PREPARED:
244        {
245            if (mAtEOS && mStartupSeekTimeUs < 0) {
246                mStartupSeekTimeUs = 0;
247                mPositionUs = -1;
248            }
249
250            // fall through
251        }
252
253        case STATE_PREPARED:
254        {
255            mAtEOS = false;
256            mPlayer->start();
257
258            if (mStartupSeekTimeUs >= 0) {
259                mPlayer->seekToAsync(mStartupSeekTimeUs);
260                mStartupSeekTimeUs = -1;
261            }
262            break;
263        }
264
265        case STATE_RUNNING:
266        {
267            if (mAtEOS) {
268                mPlayer->seekToAsync(0);
269                mAtEOS = false;
270                mPositionUs = -1;
271            }
272            break;
273        }
274
275        default:
276            return INVALID_OPERATION;
277    }
278
279    mState = STATE_RUNNING;
280
281    return OK;
282}
283
284status_t NuPlayerDriver::stop() {
285    ALOGD("stop(%p)", this);
286    Mutex::Autolock autoLock(mLock);
287
288    switch (mState) {
289        case STATE_RUNNING:
290            mPlayer->pause();
291            // fall through
292
293        case STATE_PAUSED:
294            mState = STATE_STOPPED;
295            notifyListener_l(MEDIA_STOPPED);
296            break;
297
298        case STATE_PREPARED:
299        case STATE_STOPPED:
300        case STATE_STOPPED_AND_PREPARING:
301        case STATE_STOPPED_AND_PREPARED:
302            mState = STATE_STOPPED;
303            break;
304
305        default:
306            return INVALID_OPERATION;
307    }
308
309    return OK;
310}
311
312status_t NuPlayerDriver::pause() {
313    Mutex::Autolock autoLock(mLock);
314
315    switch (mState) {
316        case STATE_PAUSED:
317        case STATE_PREPARED:
318            return OK;
319
320        case STATE_RUNNING:
321            mState = STATE_PAUSED;
322            notifyListener_l(MEDIA_PAUSED);
323            mPlayer->pause();
324            break;
325
326        default:
327            return INVALID_OPERATION;
328    }
329
330    return OK;
331}
332
333bool NuPlayerDriver::isPlaying() {
334    return mState == STATE_RUNNING && !mAtEOS;
335}
336
337status_t NuPlayerDriver::seekTo(int msec) {
338    ALOGD("seekTo(%p) %d ms", this, msec);
339    Mutex::Autolock autoLock(mLock);
340
341    int64_t seekTimeUs = msec * 1000ll;
342
343    switch (mState) {
344        case STATE_PREPARED:
345        case STATE_STOPPED_AND_PREPARED:
346        {
347            int curpos = 0;
348            if (mPositionUs > 0) {
349                curpos = (mPositionUs + 500ll) / 1000;
350            }
351            if (curpos == msec) {
352                // nothing to do, and doing something anyway could result in deadlock (b/15323063)
353                break;
354            }
355            mStartupSeekTimeUs = seekTimeUs;
356            // pretend that the seek completed. It will actually happen when starting playback.
357            // TODO: actually perform the seek here, so the player is ready to go at the new
358            // location
359            notifySeekComplete_l();
360            break;
361        }
362
363        case STATE_RUNNING:
364        case STATE_PAUSED:
365        {
366            mAtEOS = false;
367            mSeekInProgress = true;
368            // seeks can take a while, so we essentially paused
369            notifyListener_l(MEDIA_PAUSED);
370            mPlayer->seekToAsync(seekTimeUs, true /* needNotify */);
371            break;
372        }
373
374        default:
375            return INVALID_OPERATION;
376    }
377
378    mPositionUs = seekTimeUs;
379    return OK;
380}
381
382status_t NuPlayerDriver::getCurrentPosition(int *msec) {
383    int64_t tempUs = 0;
384    status_t ret = mPlayer->getCurrentPosition(&tempUs);
385
386    Mutex::Autolock autoLock(mLock);
387    // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
388    // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
389    // position value that's different the seek to position.
390    if (ret != OK || mSeekInProgress) {
391        tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
392    } else {
393        mPositionUs = tempUs;
394    }
395    *msec = (int)divRound(tempUs, (int64_t)(1000));
396    return OK;
397}
398
399status_t NuPlayerDriver::getDuration(int *msec) {
400    Mutex::Autolock autoLock(mLock);
401
402    if (mDurationUs < 0) {
403        return UNKNOWN_ERROR;
404    }
405
406    *msec = (mDurationUs + 500ll) / 1000;
407
408    return OK;
409}
410
411status_t NuPlayerDriver::reset() {
412    ALOGD("reset(%p)", this);
413    Mutex::Autolock autoLock(mLock);
414
415    switch (mState) {
416        case STATE_IDLE:
417            return OK;
418
419        case STATE_SET_DATASOURCE_PENDING:
420        case STATE_RESET_IN_PROGRESS:
421            return INVALID_OPERATION;
422
423        case STATE_PREPARING:
424        {
425            CHECK(mIsAsyncPrepare);
426
427            notifyListener_l(MEDIA_PREPARED);
428            break;
429        }
430
431        default:
432            break;
433    }
434
435    if (mState != STATE_STOPPED) {
436        notifyListener_l(MEDIA_STOPPED);
437    }
438
439    mState = STATE_RESET_IN_PROGRESS;
440    mPlayer->resetAsync();
441
442    while (mState == STATE_RESET_IN_PROGRESS) {
443        mCondition.wait(mLock);
444    }
445
446    mDurationUs = -1;
447    mPositionUs = -1;
448    mStartupSeekTimeUs = -1;
449    mLooping = false;
450
451    return OK;
452}
453
454status_t NuPlayerDriver::setLooping(int loop) {
455    mLooping = loop != 0;
456    return OK;
457}
458
459player_type NuPlayerDriver::playerType() {
460    return NU_PLAYER;
461}
462
463status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
464    if (reply == NULL) {
465        ALOGE("reply is a NULL pointer");
466        return BAD_VALUE;
467    }
468
469    int32_t methodId;
470    status_t ret = request.readInt32(&methodId);
471    if (ret != OK) {
472        ALOGE("Failed to retrieve the requested method to invoke");
473        return ret;
474    }
475
476    switch (methodId) {
477        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
478        {
479            int mode = request.readInt32();
480            return mPlayer->setVideoScalingMode(mode);
481        }
482
483        case INVOKE_ID_GET_TRACK_INFO:
484        {
485            return mPlayer->getTrackInfo(reply);
486        }
487
488        case INVOKE_ID_SELECT_TRACK:
489        {
490            int trackIndex = request.readInt32();
491            int msec = 0;
492            // getCurrentPosition should always return OK
493            getCurrentPosition(&msec);
494            return mPlayer->selectTrack(trackIndex, true /* select */, msec * 1000ll);
495        }
496
497        case INVOKE_ID_UNSELECT_TRACK:
498        {
499            int trackIndex = request.readInt32();
500            return mPlayer->selectTrack(trackIndex, false /* select */, 0xdeadbeef /* not used */);
501        }
502
503        case INVOKE_ID_GET_SELECTED_TRACK:
504        {
505            int32_t type = request.readInt32();
506            return mPlayer->getSelectedTrack(type, reply);
507        }
508
509        default:
510        {
511            return INVALID_OPERATION;
512        }
513    }
514}
515
516void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
517    mPlayer->setAudioSink(audioSink);
518    mAudioSink = audioSink;
519}
520
521status_t NuPlayerDriver::setParameter(
522        int /* key */, const Parcel & /* request */) {
523    return INVALID_OPERATION;
524}
525
526status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
527    return INVALID_OPERATION;
528}
529
530status_t NuPlayerDriver::getMetadata(
531        const media::Metadata::Filter& /* ids */, Parcel *records) {
532    Mutex::Autolock autoLock(mLock);
533
534    using media::Metadata;
535
536    Metadata meta(records);
537
538    meta.appendBool(
539            Metadata::kPauseAvailable,
540            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
541
542    meta.appendBool(
543            Metadata::kSeekBackwardAvailable,
544            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
545
546    meta.appendBool(
547            Metadata::kSeekForwardAvailable,
548            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
549
550    meta.appendBool(
551            Metadata::kSeekAvailable,
552            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
553
554    return OK;
555}
556
557void NuPlayerDriver::notifyResetComplete() {
558    ALOGD("notifyResetComplete(%p)", this);
559    Mutex::Autolock autoLock(mLock);
560
561    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
562    mState = STATE_IDLE;
563    mCondition.broadcast();
564}
565
566void NuPlayerDriver::notifySetSurfaceComplete() {
567    ALOGV("notifySetSurfaceComplete(%p)", this);
568    Mutex::Autolock autoLock(mLock);
569
570    CHECK(mSetSurfaceInProgress);
571    mSetSurfaceInProgress = false;
572
573    mCondition.broadcast();
574}
575
576void NuPlayerDriver::notifyDuration(int64_t durationUs) {
577    Mutex::Autolock autoLock(mLock);
578    mDurationUs = durationUs;
579}
580
581void NuPlayerDriver::notifySeekComplete() {
582    ALOGV("notifySeekComplete(%p)", this);
583    Mutex::Autolock autoLock(mLock);
584    mSeekInProgress = false;
585    notifySeekComplete_l();
586}
587
588void NuPlayerDriver::notifySeekComplete_l() {
589    bool wasSeeking = true;
590    if (mState == STATE_STOPPED_AND_PREPARING) {
591        wasSeeking = false;
592        mState = STATE_STOPPED_AND_PREPARED;
593        mCondition.broadcast();
594        if (!mIsAsyncPrepare) {
595            // if we are preparing synchronously, no need to notify listener
596            return;
597        }
598    } else if (mState == STATE_STOPPED) {
599        // no need to notify listener
600        return;
601    }
602    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
603}
604
605status_t NuPlayerDriver::dump(
606        int fd, const Vector<String16> & /* args */) const {
607    int64_t numFramesTotal;
608    int64_t numFramesDropped;
609    mPlayer->getStats(&numFramesTotal, &numFramesDropped);
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                 numFramesTotal,
617                 numFramesDropped,
618                 numFramesTotal == 0
619                    ? 0.0 : (double)numFramesDropped / numFramesTotal);
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 (mAutoLoop) {
640                    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
641                    if (mAudioSink != NULL) {
642                        streamType = mAudioSink->getAudioStreamType();
643                    }
644                    if (streamType == AUDIO_STREAM_NOTIFICATION) {
645                        ALOGW("disabling auto-loop for notification");
646                        mAutoLoop = false;
647                    }
648                }
649                if (mLooping || (mAutoLoop
650                        && (mAudioSink == NULL || mAudioSink->realtime()))) {
651                    mPlayer->seekToAsync(0);
652                    if (mAudioSink != NULL) {
653                        // The renderer has stopped the sink at the end in order to play out
654                        // the last little bit of audio. If we're looping, we need to restart it.
655                        mAudioSink->start();
656                    }
657                    break;
658                }
659
660                mPlayer->pause();
661                mState = STATE_PAUSED;
662            }
663            // fall through
664        }
665
666        case MEDIA_ERROR:
667        {
668            mAtEOS = true;
669            break;
670        }
671
672        default:
673            break;
674    }
675
676    mLock.unlock();
677    sendEvent(msg, ext1, ext2, in);
678    mLock.lock();
679}
680
681void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
682    Mutex::Autolock autoLock(mLock);
683
684    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
685
686    mAsyncResult = err;
687    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
688    mCondition.broadcast();
689}
690
691void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
692    Mutex::Autolock autoLock(mLock);
693
694    if (mState != STATE_PREPARING) {
695        // We were preparing asynchronously when the client called
696        // reset(), we sent a premature "prepared" notification and
697        // then initiated the reset. This notification is stale.
698        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
699        return;
700    }
701
702    CHECK_EQ(mState, STATE_PREPARING);
703
704    mAsyncResult = err;
705
706    if (err == OK) {
707        // update state before notifying client, so that if client calls back into NuPlayerDriver
708        // in response, NuPlayerDriver has the right state
709        mState = STATE_PREPARED;
710        if (mIsAsyncPrepare) {
711            notifyListener_l(MEDIA_PREPARED);
712        }
713    } else {
714        mState = STATE_UNPREPARED;
715        if (mIsAsyncPrepare) {
716            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
717        }
718    }
719
720    sp<MetaData> meta = mPlayer->getFileMeta();
721    int32_t loop;
722    if (meta != NULL
723            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
724        mAutoLoop = true;
725    }
726
727    mCondition.broadcast();
728}
729
730void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
731    Mutex::Autolock autoLock(mLock);
732
733    mPlayerFlags = flags;
734}
735
736}  // namespace android
737