NuPlayerDriver.cpp revision 7c4f0d757bfeedaab4b7ef4ccf5b0a72ec8f4306 
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      mNumFramesTotal(0),
41      mNumFramesDropped(0),
42      mLooper(new ALooper),
43      mPlayerFlags(0),
44      mAtEOS(false),
45      mLooping(false),
46      mStartupSeekTimeUs(-1) {
47    mLooper->setName("NuPlayerDriver Looper");
48
49    mLooper->start(
50            false, /* runOnCallingThread */
51            true,  /* canCallJava */
52            PRIORITY_AUDIO);
53
54    mPlayer = new NuPlayer;
55    mLooper->registerHandler(mPlayer);
56
57    mPlayer->setDriver(this);
58}
59
60NuPlayerDriver::~NuPlayerDriver() {
61    mLooper->stop();
62}
63
64status_t NuPlayerDriver::initCheck() {
65    return OK;
66}
67
68status_t NuPlayerDriver::setUID(uid_t uid) {
69    mPlayer->setUID(uid);
70
71    return OK;
72}
73
74status_t NuPlayerDriver::setDataSource(
75        const sp<IMediaHTTPService> &httpService,
76        const char *url,
77        const KeyedVector<String8, String8> *headers) {
78    Mutex::Autolock autoLock(mLock);
79
80    ALOGV("setDataSource: url=%s", url);
81    if (mState != STATE_IDLE) {
82        return INVALID_OPERATION;
83    }
84
85    mState = STATE_SET_DATASOURCE_PENDING;
86
87    mPlayer->setDataSourceAsync(httpService, url, headers);
88
89    while (mState == STATE_SET_DATASOURCE_PENDING) {
90        mCondition.wait(mLock);
91    }
92
93    return mAsyncResult;
94}
95
96status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) {
97    Mutex::Autolock autoLock(mLock);
98
99    ALOGV("setDataSource: fd=%d", fd);
100    if (mState != STATE_IDLE) {
101        return INVALID_OPERATION;
102    }
103
104    mState = STATE_SET_DATASOURCE_PENDING;
105
106    mPlayer->setDataSourceAsync(fd, offset, length);
107
108    while (mState == STATE_SET_DATASOURCE_PENDING) {
109        mCondition.wait(mLock);
110    }
111
112    return mAsyncResult;
113}
114
115status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) {
116    Mutex::Autolock autoLock(mLock);
117
118    ALOGV("setDataSource: stream source");
119    if (mState != STATE_IDLE) {
120        return INVALID_OPERATION;
121    }
122
123    mState = STATE_SET_DATASOURCE_PENDING;
124
125    mPlayer->setDataSourceAsync(source);
126
127    while (mState == STATE_SET_DATASOURCE_PENDING) {
128        mCondition.wait(mLock);
129    }
130
131    return mAsyncResult;
132}
133
134status_t NuPlayerDriver::setVideoSurfaceTexture(
135        const sp<IGraphicBufferProducer> &bufferProducer) {
136    Mutex::Autolock autoLock(mLock);
137
138    if (mSetSurfaceInProgress) {
139        return INVALID_OPERATION;
140    }
141
142    switch (mState) {
143        case STATE_SET_DATASOURCE_PENDING:
144        case STATE_RESET_IN_PROGRESS:
145            return INVALID_OPERATION;
146
147        default:
148            break;
149    }
150
151    mSetSurfaceInProgress = true;
152
153    mPlayer->setVideoSurfaceTextureAsync(bufferProducer);
154
155    while (mSetSurfaceInProgress) {
156        mCondition.wait(mLock);
157    }
158
159    return OK;
160}
161
162status_t NuPlayerDriver::prepare() {
163    Mutex::Autolock autoLock(mLock);
164    return prepare_l();
165}
166
167status_t NuPlayerDriver::prepare_l() {
168    switch (mState) {
169        case STATE_UNPREPARED:
170            mState = STATE_PREPARING;
171
172            // Make sure we're not posting any notifications, success or
173            // failure information is only communicated through our result
174            // code.
175            mIsAsyncPrepare = false;
176            mPlayer->prepareAsync();
177            while (mState == STATE_PREPARING) {
178                mCondition.wait(mLock);
179            }
180            return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR;
181        default:
182            return INVALID_OPERATION;
183    };
184}
185
186status_t NuPlayerDriver::prepareAsync() {
187    Mutex::Autolock autoLock(mLock);
188
189    switch (mState) {
190        case STATE_UNPREPARED:
191            mState = STATE_PREPARING;
192            mIsAsyncPrepare = true;
193            mPlayer->prepareAsync();
194            return OK;
195        default:
196            return INVALID_OPERATION;
197    };
198}
199
200status_t NuPlayerDriver::start() {
201    Mutex::Autolock autoLock(mLock);
202
203    switch (mState) {
204        case STATE_UNPREPARED:
205        {
206            status_t err = prepare_l();
207
208            if (err != OK) {
209                return err;
210            }
211
212            CHECK_EQ(mState, STATE_PREPARED);
213
214            // fall through
215        }
216
217        case STATE_PREPARED:
218        {
219            mAtEOS = false;
220            mPlayer->start();
221
222            if (mStartupSeekTimeUs >= 0) {
223                if (mStartupSeekTimeUs == 0) {
224                    notifySeekComplete();
225                } else {
226                    mPlayer->seekToAsync(mStartupSeekTimeUs);
227                }
228
229                mStartupSeekTimeUs = -1;
230            }
231            break;
232        }
233
234        case STATE_RUNNING:
235            break;
236
237        case STATE_PAUSED:
238        {
239            mPlayer->resume();
240            break;
241        }
242
243        default:
244            return INVALID_OPERATION;
245    }
246
247    mState = STATE_RUNNING;
248
249    return OK;
250}
251
252status_t NuPlayerDriver::stop() {
253    return pause();
254}
255
256status_t NuPlayerDriver::pause() {
257    Mutex::Autolock autoLock(mLock);
258
259    switch (mState) {
260        case STATE_PAUSED:
261        case STATE_PREPARED:
262            return OK;
263
264        case STATE_RUNNING:
265            notifyListener(MEDIA_PAUSED);
266            mPlayer->pause();
267            break;
268
269        default:
270            return INVALID_OPERATION;
271    }
272
273    mState = STATE_PAUSED;
274
275    return OK;
276}
277
278bool NuPlayerDriver::isPlaying() {
279    return mState == STATE_RUNNING && !mAtEOS;
280}
281
282status_t NuPlayerDriver::seekTo(int msec) {
283    Mutex::Autolock autoLock(mLock);
284
285    int64_t seekTimeUs = msec * 1000ll;
286
287    switch (mState) {
288        case STATE_PREPARED:
289        {
290            mStartupSeekTimeUs = seekTimeUs;
291            // pretend that the seek completed. It will actually happen when starting playback.
292            // TODO: actually perform the seek here, so the player is ready to go at the new
293            // location
294            notifySeekComplete();
295            break;
296        }
297
298        case STATE_RUNNING:
299        case STATE_PAUSED:
300        {
301            mAtEOS = false;
302            // seeks can take a while, so we essentially paused
303            notifyListener(MEDIA_PAUSED);
304            mPlayer->seekToAsync(seekTimeUs);
305            break;
306        }
307
308        default:
309            return INVALID_OPERATION;
310    }
311
312    return OK;
313}
314
315status_t NuPlayerDriver::getCurrentPosition(int *msec) {
316    Mutex::Autolock autoLock(mLock);
317
318    if (mPositionUs < 0) {
319        *msec = 0;
320    } else {
321        *msec = (mPositionUs + 500ll) / 1000;
322    }
323
324    return OK;
325}
326
327status_t NuPlayerDriver::getDuration(int *msec) {
328    Mutex::Autolock autoLock(mLock);
329
330    if (mDurationUs < 0) {
331        return UNKNOWN_ERROR;
332    }
333
334    *msec = (mDurationUs + 500ll) / 1000;
335
336    return OK;
337}
338
339status_t NuPlayerDriver::reset() {
340    Mutex::Autolock autoLock(mLock);
341
342    switch (mState) {
343        case STATE_IDLE:
344            return OK;
345
346        case STATE_SET_DATASOURCE_PENDING:
347        case STATE_RESET_IN_PROGRESS:
348            return INVALID_OPERATION;
349
350        case STATE_PREPARING:
351        {
352            CHECK(mIsAsyncPrepare);
353
354            notifyListener(MEDIA_PREPARED);
355            break;
356        }
357
358        default:
359            break;
360    }
361
362    notifyListener(MEDIA_STOPPED);
363
364    mState = STATE_RESET_IN_PROGRESS;
365    mPlayer->resetAsync();
366
367    while (mState == STATE_RESET_IN_PROGRESS) {
368        mCondition.wait(mLock);
369    }
370
371    mDurationUs = -1;
372    mPositionUs = -1;
373    mStartupSeekTimeUs = -1;
374    mLooping = false;
375
376    return OK;
377}
378
379status_t NuPlayerDriver::setLooping(int loop) {
380    mLooping = loop != 0;
381    return OK;
382}
383
384player_type NuPlayerDriver::playerType() {
385    return NU_PLAYER;
386}
387
388status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) {
389    if (reply == NULL) {
390        ALOGE("reply is a NULL pointer");
391        return BAD_VALUE;
392    }
393
394    int32_t methodId;
395    status_t ret = request.readInt32(&methodId);
396    if (ret != OK) {
397        ALOGE("Failed to retrieve the requested method to invoke");
398        return ret;
399    }
400
401    switch (methodId) {
402        case INVOKE_ID_SET_VIDEO_SCALING_MODE:
403        {
404            int mode = request.readInt32();
405            return mPlayer->setVideoScalingMode(mode);
406        }
407
408        case INVOKE_ID_GET_TRACK_INFO:
409        {
410            return mPlayer->getTrackInfo(reply);
411        }
412
413        case INVOKE_ID_SELECT_TRACK:
414        {
415            int trackIndex = request.readInt32();
416            return mPlayer->selectTrack(trackIndex, true /* select */);
417        }
418
419        case INVOKE_ID_UNSELECT_TRACK:
420        {
421            int trackIndex = request.readInt32();
422            return mPlayer->selectTrack(trackIndex, false /* select */);
423        }
424
425        case INVOKE_ID_GET_SELECTED_TRACK:
426        {
427            int32_t type = request.readInt32();
428            return mPlayer->getSelectedTrack(type, reply);
429        }
430
431        default:
432        {
433            return INVALID_OPERATION;
434        }
435    }
436}
437
438void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) {
439    mPlayer->setAudioSink(audioSink);
440}
441
442status_t NuPlayerDriver::setParameter(
443        int /* key */, const Parcel & /* request */) {
444    return INVALID_OPERATION;
445}
446
447status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) {
448    return INVALID_OPERATION;
449}
450
451status_t NuPlayerDriver::getMetadata(
452        const media::Metadata::Filter& /* ids */, Parcel *records) {
453    Mutex::Autolock autoLock(mLock);
454
455    using media::Metadata;
456
457    Metadata meta(records);
458
459    meta.appendBool(
460            Metadata::kPauseAvailable,
461            mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE);
462
463    meta.appendBool(
464            Metadata::kSeekBackwardAvailable,
465            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD);
466
467    meta.appendBool(
468            Metadata::kSeekForwardAvailable,
469            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD);
470
471    meta.appendBool(
472            Metadata::kSeekAvailable,
473            mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK);
474
475    return OK;
476}
477
478void NuPlayerDriver::notifyResetComplete() {
479    Mutex::Autolock autoLock(mLock);
480
481    CHECK_EQ(mState, STATE_RESET_IN_PROGRESS);
482    mState = STATE_IDLE;
483    mCondition.broadcast();
484}
485
486void NuPlayerDriver::notifySetSurfaceComplete() {
487    Mutex::Autolock autoLock(mLock);
488
489    CHECK(mSetSurfaceInProgress);
490    mSetSurfaceInProgress = false;
491
492    mCondition.broadcast();
493}
494
495void NuPlayerDriver::notifyDuration(int64_t durationUs) {
496    Mutex::Autolock autoLock(mLock);
497    mDurationUs = durationUs;
498}
499
500void NuPlayerDriver::notifyPosition(int64_t positionUs) {
501    Mutex::Autolock autoLock(mLock);
502    mPositionUs = positionUs;
503}
504
505void NuPlayerDriver::notifySeekComplete() {
506    notifyListener(MEDIA_SEEK_COMPLETE);
507}
508
509void NuPlayerDriver::notifyFrameStats(
510        int64_t numFramesTotal, int64_t numFramesDropped) {
511    Mutex::Autolock autoLock(mLock);
512    mNumFramesTotal = numFramesTotal;
513    mNumFramesDropped = numFramesDropped;
514}
515
516status_t NuPlayerDriver::dump(
517        int fd, const Vector<String16> & /* args */) const {
518    Mutex::Autolock autoLock(mLock);
519
520    FILE *out = fdopen(dup(fd), "w");
521
522    fprintf(out, " NuPlayer\n");
523    fprintf(out, "  numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), "
524                 "percentageDropped(%.2f)\n",
525                 mNumFramesTotal,
526                 mNumFramesDropped,
527                 mNumFramesTotal == 0
528                    ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal);
529
530    fclose(out);
531    out = NULL;
532
533    return OK;
534}
535
536void NuPlayerDriver::notifyListener(
537        int msg, int ext1, int ext2, const Parcel *in) {
538    switch (msg) {
539        case MEDIA_PLAYBACK_COMPLETE:
540        {
541            if (mLooping) {
542                mPlayer->seekToAsync(0);
543                break;
544            }
545            // fall through
546        }
547
548        case MEDIA_ERROR:
549        {
550            mAtEOS = true;
551            break;
552        }
553
554        default:
555            break;
556    }
557
558    sendEvent(msg, ext1, ext2, in);
559}
560
561void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) {
562    Mutex::Autolock autoLock(mLock);
563
564    CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING);
565
566    mAsyncResult = err;
567    mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;
568    mCondition.broadcast();
569}
570
571void NuPlayerDriver::notifyPrepareCompleted(status_t err) {
572    Mutex::Autolock autoLock(mLock);
573
574    if (mState != STATE_PREPARING) {
575        // We were preparing asynchronously when the client called
576        // reset(), we sent a premature "prepared" notification and
577        // then initiated the reset. This notification is stale.
578        CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE);
579        return;
580    }
581
582    CHECK_EQ(mState, STATE_PREPARING);
583
584    mAsyncResult = err;
585
586    if (err == OK) {
587        if (mIsAsyncPrepare) {
588            notifyListener(MEDIA_PREPARED);
589        }
590        mState = STATE_PREPARED;
591    } else {
592        if (mIsAsyncPrepare) {
593            notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
594        }
595        mState = STATE_UNPREPARED;
596    }
597
598    mCondition.broadcast();
599}
600
601void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) {
602    Mutex::Autolock autoLock(mLock);
603
604    mPlayerFlags = flags;
605}
606
607}  // namespace android
608