NuPlayerDriver.cpp revision 980b106908cb8e105bb8849749722c5088e2f6eb 
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    // The NuPlayerRenderer may get flushed if pause for long enough, e.g. the pause timeout tear
314    // down for audio offload mode. If that happens, the NuPlayerRenderer will no longer know the
315    // current position. So similar to seekTo, update |mPositionUs| to the pause position by calling
316    // getCurrentPosition here.
317    int msec;
318    getCurrentPosition(&msec);
319
320    Mutex::Autolock autoLock(mLock);
321
322    switch (mState) {
323        case STATE_PAUSED:
324        case STATE_PREPARED:
325            return OK;
326
327        case STATE_RUNNING:
328            mState = STATE_PAUSED;
329            notifyListener_l(MEDIA_PAUSED);
330            mPlayer->pause();
331            break;
332
333        default:
334            return INVALID_OPERATION;
335    }
336
337    return OK;
338}
339
340bool NuPlayerDriver::isPlaying() {
341    return mState == STATE_RUNNING && !mAtEOS;
342}
343
344status_t NuPlayerDriver::seekTo(int msec) {
345    ALOGD("seekTo(%p) %d ms", this, msec);
346    Mutex::Autolock autoLock(mLock);
347
348    int64_t seekTimeUs = msec * 1000ll;
349
350    switch (mState) {
351        case STATE_PREPARED:
352        case STATE_STOPPED_AND_PREPARED:
353        {
354            int curpos = 0;
355            if (mPositionUs > 0) {
356                curpos = (mPositionUs + 500ll) / 1000;
357            }
358            if (curpos == msec) {
359                // nothing to do, and doing something anyway could result in deadlock (b/15323063)
360                break;
361            }
362            mStartupSeekTimeUs = seekTimeUs;
363            // pretend that the seek completed. It will actually happen when starting playback.
364            // TODO: actually perform the seek here, so the player is ready to go at the new
365            // location
366            notifySeekComplete_l();
367            break;
368        }
369
370        case STATE_RUNNING:
371        case STATE_PAUSED:
372        {
373            mAtEOS = false;
374            mSeekInProgress = true;
375            // seeks can take a while, so we essentially paused
376            notifyListener_l(MEDIA_PAUSED);
377            mPlayer->seekToAsync(seekTimeUs, true /* needNotify */);
378            break;
379        }
380
381        default:
382            return INVALID_OPERATION;
383    }
384
385    mPositionUs = seekTimeUs;
386    return OK;
387}
388
389status_t NuPlayerDriver::getCurrentPosition(int *msec) {
390    int64_t tempUs = 0;
391    {
392        Mutex::Autolock autoLock(mLock);
393        if (mSeekInProgress || mState == STATE_PAUSED) {
394            tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
395            *msec = (int)divRound(tempUs, (int64_t)(1000));
396            return OK;
397        }
398    }
399
400    status_t ret = mPlayer->getCurrentPosition(&tempUs);
401
402    Mutex::Autolock autoLock(mLock);
403    // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
404    // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
405    // position value that's different the seek to position.
406    if (ret != OK) {
407        tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
408    } else {
409        mPositionUs = tempUs;
410    }
411    *msec = (int)divRound(tempUs, (int64_t)(1000));
412    return OK;
413}
414
415status_t NuPlayerDriver::getDuration(int *msec) {
416    Mutex::Autolock autoLock(mLock);
417
418    if (mDurationUs < 0) {
419        return UNKNOWN_ERROR;
420    }
421
422    *msec = (mDurationUs + 500ll) / 1000;
423
424    return OK;
425}
426
427status_t NuPlayerDriver::reset() {
428    ALOGD("reset(%p)", this);
429    Mutex::Autolock autoLock(mLock);
430
431    switch (mState) {
432        case STATE_IDLE:
433            return OK;
434
435        case STATE_SET_DATASOURCE_PENDING:
436        case STATE_RESET_IN_PROGRESS:
437            return INVALID_OPERATION;
438
439        case STATE_PREPARING:
440        {
441            CHECK(mIsAsyncPrepare);
442
443            notifyListener_l(MEDIA_PREPARED);
444            break;
445        }
446
447        default:
448            break;
449    }
450
451    if (mState != STATE_STOPPED) {
452        notifyListener_l(MEDIA_STOPPED);
453    }
454
455    mState = STATE_RESET_IN_PROGRESS;
456    mPlayer->resetAsync();
457
458    while (mState == STATE_RESET_IN_PROGRESS) {
459        mCondition.wait(mLock);
460    }
461
462    mDurationUs = -1;
463    mPositionUs = -1;
464    mStartupSeekTimeUs = -1;
465    mLooping = false;
466
467    return OK;
468}
469
470status_t NuPlayerDriver::setLooping(int loop) {
471    mLooping = loop != 0;
472    return OK;
473}
474
475player_type NuPlayerDriver::playerType() {
476    return NU_PLAYER;
477}
478
479status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
480    if (reply == NULL) {
481        ALOGE("reply is a NULL pointer");
482        return BAD_VALUE;
483    }
484
485    int32_t methodId;
486    status_t ret = request.readInt32(&methodId);
487    if (ret != OK) {
488        ALOGE("Failed to retrieve the requested method to invoke");
489        return ret;
490    }
491
492    switch (methodId) {
493        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
494        {
495            int mode = request.readInt32();
496            return mPlayer->setVideoScalingMode(mode);
497        }
498
499        case INVOKE_ID_GET_TRACK_INFO:
500        {
501            return mPlayer->getTrackInfo(reply);
502        }
503
504        case INVOKE_ID_SELECT_TRACK:
505        {
506            int trackIndex = request.readInt32();
507            int msec = 0;
508            // getCurrentPosition should always return OK
509            getCurrentPosition(&msec);
510            return mPlayer->selectTrack(trackIndex, true /* select */, msec * 1000ll);
511        }
512
513        case INVOKE_ID_UNSELECT_TRACK:
514        {
515            int trackIndex = request.readInt32();
516            return mPlayer->selectTrack(trackIndex, false /* select */, 0xdeadbeef /* not used */);
517        }
518
519        case INVOKE_ID_GET_SELECTED_TRACK:
520        {
521            int32_t type = request.readInt32();
522            return mPlayer->getSelectedTrack(type, reply);
523        }
524
525        default:
526        {
527            return INVALID_OPERATION;
528        }
529    }
530}
531
532void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
533    mPlayer->setAudioSink(audioSink);
534    mAudioSink = audioSink;
535}
536
537status_t NuPlayerDriver::setParameter(
538        int /* key */, const Parcel & /* request */) {
539    return INVALID_OPERATION;
540}
541
542status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
543    return INVALID_OPERATION;
544}
545
546status_t NuPlayerDriver::getMetadata(
547        const media::Metadata::Filter& /* ids */, Parcel *records) {
548    Mutex::Autolock autoLock(mLock);
549
550    using media::Metadata;
551
552    Metadata meta(records);
553
554    meta.appendBool(
555            Metadata::kPauseAvailable,
556            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
557
558    meta.appendBool(
559            Metadata::kSeekBackwardAvailable,
560            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
561
562    meta.appendBool(
563            Metadata::kSeekForwardAvailable,
564            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
565
566    meta.appendBool(
567            Metadata::kSeekAvailable,
568            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
569
570    return OK;
571}
572
573void NuPlayerDriver::notifyResetComplete() {
574    ALOGD("notifyResetComplete(%p)", this);
575    Mutex::Autolock autoLock(mLock);
576
577    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
578    mState = STATE_IDLE;
579    mCondition.broadcast();
580}
581
582void NuPlayerDriver::notifySetSurfaceComplete() {
583    ALOGV("notifySetSurfaceComplete(%p)", this);
584    Mutex::Autolock autoLock(mLock);
585
586    CHECK(mSetSurfaceInProgress);
587    mSetSurfaceInProgress = false;
588
589    mCondition.broadcast();
590}
591
592void NuPlayerDriver::notifyDuration(int64_t durationUs) {
593    Mutex::Autolock autoLock(mLock);
594    mDurationUs = durationUs;
595}
596
597void NuPlayerDriver::notifySeekComplete() {
598    ALOGV("notifySeekComplete(%p)", this);
599    Mutex::Autolock autoLock(mLock);
600    mSeekInProgress = false;
601    notifySeekComplete_l();
602}
603
604void NuPlayerDriver::notifySeekComplete_l() {
605    bool wasSeeking = true;
606    if (mState == STATE_STOPPED_AND_PREPARING) {
607        wasSeeking = false;
608        mState = STATE_STOPPED_AND_PREPARED;
609        mCondition.broadcast();
610        if (!mIsAsyncPrepare) {
611            // if we are preparing synchronously, no need to notify listener
612            return;
613        }
614    } else if (mState == STATE_STOPPED) {
615        // no need to notify listener
616        return;
617    }
618    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
619}
620
621status_t NuPlayerDriver::dump(
622        int fd, const Vector<String16> & /* args */) const {
623    int64_t numFramesTotal;
624    int64_t numFramesDropped;
625    mPlayer->getStats(&numFramesTotal, &numFramesDropped);
626
627    FILE *out = fdopen(dup(fd), "w");
628
629    fprintf(out, " NuPlayer\n");
630    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
631                 "percentageDropped(%.2f)\n",
632                 numFramesTotal,
633                 numFramesDropped,
634                 numFramesTotal == 0
635                    ? 0.0 : (double)numFramesDropped / numFramesTotal);
636
637    fclose(out);
638    out = NULL;
639
640    return OK;
641}
642
643void NuPlayerDriver::notifyListener(
644        int msg, int ext1, int ext2, const Parcel *in) {
645    Mutex::Autolock autoLock(mLock);
646    notifyListener_l(msg, ext1, ext2, in);
647}
648
649void NuPlayerDriver::notifyListener_l(
650        int msg, int ext1, int ext2, const Parcel *in) {
651    switch (msg) {
652        case MEDIA_PLAYBACK_COMPLETE:
653        {
654            if (mState != STATE_RESET_IN_PROGRESS) {
655                if (mAutoLoop) {
656                    audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
657                    if (mAudioSink != NULL) {
658                        streamType = mAudioSink->getAudioStreamType();
659                    }
660                    if (streamType == AUDIO_STREAM_NOTIFICATION) {
661                        ALOGW("disabling auto-loop for notification");
662                        mAutoLoop = false;
663                    }
664                }
665                if (mLooping || mAutoLoop) {
666                    mPlayer->seekToAsync(0);
667                    if (mAudioSink != NULL) {
668                        // The renderer has stopped the sink at the end in order to play out
669                        // the last little bit of audio. If we're looping, we need to restart it.
670                        mAudioSink->start();
671                    }
672                    break;
673                }
674
675                mPlayer->pause();
676                mState = STATE_PAUSED;
677            }
678            // fall through
679        }
680
681        case MEDIA_ERROR:
682        {
683            mAtEOS = true;
684            break;
685        }
686
687        default:
688            break;
689    }
690
691    mLock.unlock();
692    sendEvent(msg, ext1, ext2, in);
693    mLock.lock();
694}
695
696void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
697    Mutex::Autolock autoLock(mLock);
698
699    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
700
701    mAsyncResult = err;
702    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
703    mCondition.broadcast();
704}
705
706void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
707    Mutex::Autolock autoLock(mLock);
708
709    if (mState != STATE_PREPARING) {
710        // We were preparing asynchronously when the client called
711        // reset(), we sent a premature "prepared" notification and
712        // then initiated the reset. This notification is stale.
713        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
714        return;
715    }
716
717    CHECK_EQ(mState, STATE_PREPARING);
718
719    mAsyncResult = err;
720
721    if (err == OK) {
722        // update state before notifying client, so that if client calls back into NuPlayerDriver
723        // in response, NuPlayerDriver has the right state
724        mState = STATE_PREPARED;
725        if (mIsAsyncPrepare) {
726            notifyListener_l(MEDIA_PREPARED);
727        }
728    } else {
729        mState = STATE_UNPREPARED;
730        if (mIsAsyncPrepare) {
731            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
732        }
733    }
734
735    sp<MetaData> meta = mPlayer->getFileMeta();
736    int32_t loop;
737    if (meta != NULL
738            && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
739        mAutoLoop = true;
740    }
741
742    mCondition.broadcast();
743}
744
745void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
746    Mutex::Autolock autoLock(mLock);
747
748    mPlayerFlags = flags;
749}
750
751}  // namespace android
752