NuPlayerDriver.cpp revision 0560195a71ee26e8546075e56c49ff535fcf1767 
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      mDurationUs(-1),
38      mPositionUs(-1),
39      mNotifyTimeRealUs(-1),
40      mPauseStartedTimeUs(-1),
41      mNumFramesTotal(0),
42      mNumFramesDropped(0),
43      mLooper(new ALooper),
44      mPlayerFlags(0),
45      mAtEOS(false),
46      mLooping(false),
47      mStartupSeekTimeUs(-1) {
48    mLooper->setName("NuPlayerDriver Looper");
49
50    mLooper->start(
51            false, /* runOnCallingThread */
52            true,  /* canCallJava */
53            PRIORITY_AUDIO);
54
55    mPlayer = new NuPlayer;
56    mLooper->registerHandler(mPlayer);
57
58    mPlayer->setDriver(this);
59}
60
61NuPlayerDriver::~NuPlayerDriver() {
62    mLooper->stop();
63}
64
65status_t NuPlayerDriver::initCheck() {
66    return OK;
67}
68
69status_t NuPlayerDriver::setUID(uid_t uid) {
70    mPlayer->setUID(uid);
71
72    return OK;
73}
74
75status_t NuPlayerDriver::setDataSource(
76        const sp<IMediaHTTPService> &httpService,
77        const char *url,
78        const KeyedVector<String8, String8> *headers) {
79    Mutex::Autolock autoLock(mLock);
80
81    ALOGV("setDataSource: url=%s", url);
82    if (mState != STATE_IDLE) {
83        return INVALID_OPERATION;
84    }
85
86    mState = STATE_SET_DATASOURCE_PENDING;
87
88    mPlayer->setDataSourceAsync(httpService, url, headers);
89
90    while (mState == STATE_SET_DATASOURCE_PENDING) {
91        mCondition.wait(mLock);
92    }
93
94    return mAsyncResult;
95}
96
97status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) {
98    Mutex::Autolock autoLock(mLock);
99
100    ALOGV("setDataSource: fd=%d", fd);
101    if (mState != STATE_IDLE) {
102        return INVALID_OPERATION;
103    }
104
105    mState = STATE_SET_DATASOURCE_PENDING;
106
107    mPlayer->setDataSourceAsync(fd, offset, length);
108
109    while (mState == STATE_SET_DATASOURCE_PENDING) {
110        mCondition.wait(mLock);
111    }
112
113    return mAsyncResult;
114}
115
116status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) {
117    Mutex::Autolock autoLock(mLock);
118
119    ALOGV("setDataSource: stream source");
120    if (mState != STATE_IDLE) {
121        return INVALID_OPERATION;
122    }
123
124    mState = STATE_SET_DATASOURCE_PENDING;
125
126    mPlayer->setDataSourceAsync(source);
127
128    while (mState == STATE_SET_DATASOURCE_PENDING) {
129        mCondition.wait(mLock);
130    }
131
132    return mAsyncResult;
133}
134
135status_t NuPlayerDriver::setVideoSurfaceTexture(
136        const sp<IGraphicBufferProducer> &bufferProducer) {
137    Mutex::Autolock autoLock(mLock);
138
139    switch (mState) {
140        case STATE_SET_DATASOURCE_PENDING:
141        case STATE_RESET_IN_PROGRESS:
142            return INVALID_OPERATION;
143
144        default:
145            break;
146    }
147
148    mPlayer->setVideoSurfaceTextureAsync(bufferProducer);
149
150    return OK;
151}
152
153status_t NuPlayerDriver::prepare() {
154    Mutex::Autolock autoLock(mLock);
155    return prepare_l();
156}
157
158status_t NuPlayerDriver::prepare_l() {
159    switch (mState) {
160        case STATE_UNPREPARED:
161            mState = STATE_PREPARING;
162
163            // Make sure we're not posting any notifications, success or
164            // failure information is only communicated through our result
165            // code.
166            mIsAsyncPrepare = false;
167            mPlayer->prepareAsync();
168            while (mState == STATE_PREPARING) {
169                mCondition.wait(mLock);
170            }
171            return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR;
172        case STATE_STOPPED:
173            // this is really just paused. handle as seek to start
174            mAtEOS = false;
175            mState = STATE_STOPPED_AND_PREPARING;
176            mIsAsyncPrepare = false;
177            mPlayer->seekToAsync(0);
178            while (mState == STATE_STOPPED_AND_PREPARING) {
179                mCondition.wait(mLock);
180            }
181            return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR;
182        default:
183            return INVALID_OPERATION;
184    };
185}
186
187status_t NuPlayerDriver::prepareAsync() {
188    Mutex::Autolock autoLock(mLock);
189
190    switch (mState) {
191        case STATE_UNPREPARED:
192            mState = STATE_PREPARING;
193            mIsAsyncPrepare = true;
194            mPlayer->prepareAsync();
195            return OK;
196        case STATE_STOPPED:
197            // this is really just paused. handle as seek to start
198            mAtEOS = false;
199            mState = STATE_STOPPED_AND_PREPARING;
200            mIsAsyncPrepare = true;
201            mPlayer->seekToAsync(0);
202            return OK;
203        default:
204            return INVALID_OPERATION;
205    };
206}
207
208status_t NuPlayerDriver::start() {
209    Mutex::Autolock autoLock(mLock);
210
211    switch (mState) {
212        case STATE_UNPREPARED:
213        {
214            status_t err = prepare_l();
215
216            if (err != OK) {
217                return err;
218            }
219
220            CHECK_EQ(mState, STATE_PREPARED);
221
222            // fall through
223        }
224
225        case STATE_PREPARED:
226        {
227            mAtEOS = false;
228            mPlayer->start();
229
230            if (mStartupSeekTimeUs >= 0) {
231                if (mStartupSeekTimeUs == 0) {
232                    notifySeekComplete_l();
233                } else {
234                    mPlayer->seekToAsync(mStartupSeekTimeUs);
235                }
236
237                mStartupSeekTimeUs = -1;
238            }
239            break;
240        }
241
242        case STATE_RUNNING:
243        {
244            if (mAtEOS) {
245                mPlayer->seekToAsync(0);
246                mAtEOS = false;
247                mPositionUs = -1;
248            }
249            break;
250        }
251
252        case STATE_PAUSED:
253        case STATE_STOPPED_AND_PREPARED:
254        {
255            mPlayer->resume();
256            mPositionUs -= ALooper::GetNowUs() - mPauseStartedTimeUs;
257            break;
258        }
259
260        default:
261            return INVALID_OPERATION;
262    }
263
264    mState = STATE_RUNNING;
265    mPauseStartedTimeUs = -1;
266
267    return OK;
268}
269
270status_t NuPlayerDriver::stop() {
271    Mutex::Autolock autoLock(mLock);
272
273    switch (mState) {
274        case STATE_RUNNING:
275            mPlayer->pause();
276            // fall through
277
278        case STATE_PAUSED:
279            notifyListener_l(MEDIA_STOPPED);
280            // fall through
281
282        case STATE_PREPARED:
283        case STATE_STOPPED:
284        case STATE_STOPPED_AND_PREPARING:
285        case STATE_STOPPED_AND_PREPARED:
286            mState = STATE_STOPPED;
287            break;
288
289        default:
290            return INVALID_OPERATION;
291    }
292    setPauseStartedTimeIfNeeded();
293
294    return OK;
295}
296
297status_t NuPlayerDriver::pause() {
298    Mutex::Autolock autoLock(mLock);
299
300    switch (mState) {
301        case STATE_PAUSED:
302        case STATE_PREPARED:
303            return OK;
304
305        case STATE_RUNNING:
306            notifyListener_l(MEDIA_PAUSED);
307            mPlayer->pause();
308            break;
309
310        default:
311            return INVALID_OPERATION;
312    }
313
314    setPauseStartedTimeIfNeeded();
315    mState = STATE_PAUSED;
316
317    return OK;
318}
319
320bool NuPlayerDriver::isPlaying() {
321    return mState == STATE_RUNNING && !mAtEOS;
322}
323
324status_t NuPlayerDriver::seekTo(int msec) {
325    Mutex::Autolock autoLock(mLock);
326
327    int64_t seekTimeUs = msec * 1000ll;
328
329    switch (mState) {
330        case STATE_PREPARED:
331        {
332            mStartupSeekTimeUs = seekTimeUs;
333            // pretend that the seek completed. It will actually happen when starting playback.
334            // TODO: actually perform the seek here, so the player is ready to go at the new
335            // location
336            notifySeekComplete_l();
337            break;
338        }
339
340        case STATE_RUNNING:
341        case STATE_PAUSED:
342        {
343            mAtEOS = false;
344            // seeks can take a while, so we essentially paused
345            notifyListener_l(MEDIA_PAUSED);
346            mPlayer->seekToAsync(seekTimeUs);
347            break;
348        }
349
350        default:
351            return INVALID_OPERATION;
352    }
353
354    mPositionUs = seekTimeUs;
355    mNotifyTimeRealUs = -1;
356    return OK;
357}
358
359status_t NuPlayerDriver::getCurrentPosition(int *msec) {
360    Mutex::Autolock autoLock(mLock);
361
362    if (mPositionUs < 0) {
363        *msec = 0;
364    } else if (mNotifyTimeRealUs == -1) {
365        *msec = mPositionUs / 1000;
366    } else {
367        int64_t nowUs =
368                (isPlaying() ?  ALooper::GetNowUs() : mPauseStartedTimeUs);
369        *msec = (mPositionUs + nowUs - mNotifyTimeRealUs + 500ll) / 1000;
370    }
371
372    return OK;
373}
374
375status_t NuPlayerDriver::getDuration(int *msec) {
376    Mutex::Autolock autoLock(mLock);
377
378    if (mDurationUs < 0) {
379        return UNKNOWN_ERROR;
380    }
381
382    *msec = (mDurationUs + 500ll) / 1000;
383
384    return OK;
385}
386
387status_t NuPlayerDriver::reset() {
388    Mutex::Autolock autoLock(mLock);
389
390    switch (mState) {
391        case STATE_IDLE:
392            return OK;
393
394        case STATE_SET_DATASOURCE_PENDING:
395        case STATE_RESET_IN_PROGRESS:
396            return INVALID_OPERATION;
397
398        case STATE_PREPARING:
399        {
400            CHECK(mIsAsyncPrepare);
401
402            notifyListener_l(MEDIA_PREPARED);
403            break;
404        }
405
406        default:
407            break;
408    }
409
410    if (mState != STATE_STOPPED) {
411        notifyListener_l(MEDIA_STOPPED);
412    }
413
414    mState = STATE_RESET_IN_PROGRESS;
415    mPlayer->resetAsync();
416
417    while (mState == STATE_RESET_IN_PROGRESS) {
418        mCondition.wait(mLock);
419    }
420
421    mDurationUs = -1;
422    mPositionUs = -1;
423    mStartupSeekTimeUs = -1;
424    mLooping = false;
425
426    return OK;
427}
428
429status_t NuPlayerDriver::setLooping(int loop) {
430    mLooping = loop != 0;
431    return OK;
432}
433
434player_type NuPlayerDriver::playerType() {
435    return NU_PLAYER;
436}
437
438status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
439    if (reply == NULL) {
440        ALOGE("reply is a NULL pointer");
441        return BAD_VALUE;
442    }
443
444    int32_t methodId;
445    status_t ret = request.readInt32(&methodId);
446    if (ret != OK) {
447        ALOGE("Failed to retrieve the requested method to invoke");
448        return ret;
449    }
450
451    switch (methodId) {
452        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
453        {
454            int mode = request.readInt32();
455            return mPlayer->setVideoScalingMode(mode);
456        }
457
458        case INVOKE_ID_GET_TRACK_INFO:
459        {
460            return mPlayer->getTrackInfo(reply);
461        }
462
463        case INVOKE_ID_SELECT_TRACK:
464        {
465            int trackIndex = request.readInt32();
466            return mPlayer->selectTrack(trackIndex, true /* select */);
467        }
468
469        case INVOKE_ID_UNSELECT_TRACK:
470        {
471            int trackIndex = request.readInt32();
472            return mPlayer->selectTrack(trackIndex, false /* select */);
473        }
474
475        case INVOKE_ID_GET_SELECTED_TRACK:
476        {
477            int32_t type = request.readInt32();
478            return mPlayer->getSelectedTrack(type, reply);
479        }
480
481        default:
482        {
483            return INVALID_OPERATION;
484        }
485    }
486}
487
488void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
489    mPlayer->setAudioSink(audioSink);
490}
491
492status_t NuPlayerDriver::setParameter(
493        int /* key */, const Parcel & /* request */) {
494    return INVALID_OPERATION;
495}
496
497status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
498    return INVALID_OPERATION;
499}
500
501status_t NuPlayerDriver::getMetadata(
502        const media::Metadata::Filter& /* ids */, Parcel *records) {
503    Mutex::Autolock autoLock(mLock);
504
505    using media::Metadata;
506
507    Metadata meta(records);
508
509    meta.appendBool(
510            Metadata::kPauseAvailable,
511            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
512
513    meta.appendBool(
514            Metadata::kSeekBackwardAvailable,
515            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
516
517    meta.appendBool(
518            Metadata::kSeekForwardAvailable,
519            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
520
521    meta.appendBool(
522            Metadata::kSeekAvailable,
523            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
524
525    return OK;
526}
527
528void NuPlayerDriver::notifyResetComplete() {
529    Mutex::Autolock autoLock(mLock);
530
531    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
532    mState = STATE_IDLE;
533    mCondition.broadcast();
534}
535
536void NuPlayerDriver::notifyDuration(int64_t durationUs) {
537    Mutex::Autolock autoLock(mLock);
538    mDurationUs = durationUs;
539}
540
541void NuPlayerDriver::notifyPosition(int64_t positionUs) {
542    Mutex::Autolock autoLock(mLock);
543    mPositionUs = positionUs;
544    mNotifyTimeRealUs = ALooper::GetNowUs();
545}
546
547void NuPlayerDriver::notifySeekComplete() {
548    Mutex::Autolock autoLock(mLock);
549    notifySeekComplete_l();
550}
551
552void NuPlayerDriver::notifySeekComplete_l() {
553    bool wasSeeking = true;
554    if (mState == STATE_STOPPED_AND_PREPARING) {
555        wasSeeking = false;
556        mState = STATE_STOPPED_AND_PREPARED;
557        mCondition.broadcast();
558        if (!mIsAsyncPrepare) {
559            // if we are preparing synchronously, no need to notify listener
560            return;
561        }
562    } else if (mState == STATE_STOPPED) {
563        // no need to notify listener
564        return;
565    }
566    notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED);
567}
568
569void NuPlayerDriver::notifyFrameStats(
570        int64_t numFramesTotal, int64_t numFramesDropped) {
571    Mutex::Autolock autoLock(mLock);
572    mNumFramesTotal = numFramesTotal;
573    mNumFramesDropped = numFramesDropped;
574}
575
576status_t NuPlayerDriver::dump(
577        int fd, const Vector<String16> & /* args */) const {
578    Mutex::Autolock autoLock(mLock);
579
580    FILE *out = fdopen(dup(fd), "w");
581
582    fprintf(out, " NuPlayer\n");
583    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
584                 "percentageDropped(%.2f)\n",
585                 mNumFramesTotal,
586                 mNumFramesDropped,
587                 mNumFramesTotal == 0
588                    ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal);
589
590    fclose(out);
591    out = NULL;
592
593    return OK;
594}
595
596void NuPlayerDriver::notifyListener(
597        int msg, int ext1, int ext2, const Parcel *in) {
598    Mutex::Autolock autoLock(mLock);
599    notifyListener_l(msg, ext1, ext2, in);
600}
601
602void NuPlayerDriver::notifyListener_l(
603        int msg, int ext1, int ext2, const Parcel *in) {
604    switch (msg) {
605        case MEDIA_PLAYBACK_COMPLETE:
606        {
607            if (mLooping) {
608                mLock.unlock();
609                mPlayer->seekToAsync(0);
610                mLock.lock();
611                break;
612            }
613            // fall through
614        }
615
616        case MEDIA_ERROR:
617        {
618            mAtEOS = true;
619            setPauseStartedTimeIfNeeded();
620            break;
621        }
622
623        default:
624            break;
625    }
626
627    mLock.unlock();
628    sendEvent(msg, ext1, ext2, in);
629    mLock.lock();
630}
631
632void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
633    Mutex::Autolock autoLock(mLock);
634
635    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
636
637    mAsyncResult = err;
638    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
639    mCondition.broadcast();
640}
641
642void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
643    Mutex::Autolock autoLock(mLock);
644
645    if (mState != STATE_PREPARING) {
646        // We were preparing asynchronously when the client called
647        // reset(), we sent a premature "prepared" notification and
648        // then initiated the reset. This notification is stale.
649        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
650        return;
651    }
652
653    CHECK_EQ(mState, STATE_PREPARING);
654
655    mAsyncResult = err;
656
657    if (err == OK) {
658        if (mIsAsyncPrepare) {
659            notifyListener_l(MEDIA_PREPARED);
660        }
661        mState = STATE_PREPARED;
662    } else {
663        if (mIsAsyncPrepare) {
664            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
665        }
666        mState = STATE_UNPREPARED;
667    }
668
669    mCondition.broadcast();
670}
671
672void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
673    Mutex::Autolock autoLock(mLock);
674
675    mPlayerFlags = flags;
676}
677
678void NuPlayerDriver::setPauseStartedTimeIfNeeded() {
679    if (mPauseStartedTimeUs == -1) {
680        mPauseStartedTimeUs = ALooper::GetNowUs();
681    }
682}
683
684}  // namespace android
685