AwesomePlayer.cpp revision 83977eb230d829cfe520f55d7977037a904ce548 
1/*
2 * Copyright (C) 2009 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 "AwesomePlayer"
19#include <utils/Log.h>
20
21#include <dlfcn.h>
22
23#include "include/ARTSPController.h"
24#include "include/AwesomePlayer.h"
25#include "include/LiveSource.h"
26#include "include/SoftwareRenderer.h"
27#include "include/NuCachedSource2.h"
28#include "include/ThrottledSource.h"
29
30#include "ARTPSession.h"
31#include "APacketSource.h"
32#include "ASessionDescription.h"
33#include "UDPPusher.h"
34
35#include <binder/IPCThreadState.h>
36#include <media/stagefright/AudioPlayer.h>
37#include <media/stagefright/DataSource.h>
38#include <media/stagefright/FileSource.h>
39#include <media/stagefright/MediaBuffer.h>
40#include <media/stagefright/MediaDefs.h>
41#include <media/stagefright/MediaExtractor.h>
42#include <media/stagefright/MediaDebug.h>
43#include <media/stagefright/MediaSource.h>
44#include <media/stagefright/MetaData.h>
45#include <media/stagefright/OMXCodec.h>
46
47#include <surfaceflinger/ISurface.h>
48
49#include <media/stagefright/foundation/ALooper.h>
50
51namespace android {
52
53static int64_t kLowWaterMarkUs = 2000000ll;  // 2secs
54static int64_t kHighWaterMarkUs = 10000000ll;  // 10secs
55
56struct AwesomeEvent : public TimedEventQueue::Event {
57    AwesomeEvent(
58            AwesomePlayer *player,
59            void (AwesomePlayer::*method)())
60        : mPlayer(player),
61          mMethod(method) {
62    }
63
64protected:
65    virtual ~AwesomeEvent() {}
66
67    virtual void fire(TimedEventQueue *queue, int64_t /* now_us */) {
68        (mPlayer->*mMethod)();
69    }
70
71private:
72    AwesomePlayer *mPlayer;
73    void (AwesomePlayer::*mMethod)();
74
75    AwesomeEvent(const AwesomeEvent &);
76    AwesomeEvent &operator=(const AwesomeEvent &);
77};
78
79struct AwesomeRemoteRenderer : public AwesomeRenderer {
80    AwesomeRemoteRenderer(const sp<IOMXRenderer> &target)
81        : mTarget(target) {
82    }
83
84    virtual void render(MediaBuffer *buffer) {
85        void *id;
86        if (buffer->meta_data()->findPointer(kKeyBufferID, &id)) {
87            mTarget->render((IOMX::buffer_id)id);
88        }
89    }
90
91private:
92    sp<IOMXRenderer> mTarget;
93
94    AwesomeRemoteRenderer(const AwesomeRemoteRenderer &);
95    AwesomeRemoteRenderer &operator=(const AwesomeRemoteRenderer &);
96};
97
98struct AwesomeLocalRenderer : public AwesomeRenderer {
99    AwesomeLocalRenderer(
100            bool previewOnly,
101            const char *componentName,
102            OMX_COLOR_FORMATTYPE colorFormat,
103            const sp<ISurface> &surface,
104            size_t displayWidth, size_t displayHeight,
105            size_t decodedWidth, size_t decodedHeight)
106        : mTarget(NULL),
107          mLibHandle(NULL) {
108            init(previewOnly, componentName,
109                 colorFormat, surface, displayWidth,
110                 displayHeight, decodedWidth, decodedHeight);
111    }
112
113    virtual void render(MediaBuffer *buffer) {
114        render((const uint8_t *)buffer->data() + buffer->range_offset(),
115               buffer->range_length());
116    }
117
118    void render(const void *data, size_t size) {
119        mTarget->render(data, size, NULL);
120    }
121
122protected:
123    virtual ~AwesomeLocalRenderer() {
124        delete mTarget;
125        mTarget = NULL;
126
127        if (mLibHandle) {
128            dlclose(mLibHandle);
129            mLibHandle = NULL;
130        }
131    }
132
133private:
134    VideoRenderer *mTarget;
135    void *mLibHandle;
136
137    void init(
138            bool previewOnly,
139            const char *componentName,
140            OMX_COLOR_FORMATTYPE colorFormat,
141            const sp<ISurface> &surface,
142            size_t displayWidth, size_t displayHeight,
143            size_t decodedWidth, size_t decodedHeight);
144
145    AwesomeLocalRenderer(const AwesomeLocalRenderer &);
146    AwesomeLocalRenderer &operator=(const AwesomeLocalRenderer &);;
147};
148
149void AwesomeLocalRenderer::init(
150        bool previewOnly,
151        const char *componentName,
152        OMX_COLOR_FORMATTYPE colorFormat,
153        const sp<ISurface> &surface,
154        size_t displayWidth, size_t displayHeight,
155        size_t decodedWidth, size_t decodedHeight) {
156    if (!previewOnly) {
157        // We will stick to the vanilla software-color-converting renderer
158        // for "previewOnly" mode, to avoid unneccessarily switching overlays
159        // more often than necessary.
160
161        mLibHandle = dlopen("libstagefrighthw.so", RTLD_NOW);
162
163        if (mLibHandle) {
164            typedef VideoRenderer *(*CreateRendererFunc)(
165                    const sp<ISurface> &surface,
166                    const char *componentName,
167                    OMX_COLOR_FORMATTYPE colorFormat,
168                    size_t displayWidth, size_t displayHeight,
169                    size_t decodedWidth, size_t decodedHeight);
170
171            CreateRendererFunc func =
172                (CreateRendererFunc)dlsym(
173                        mLibHandle,
174                        "_Z14createRendererRKN7android2spINS_8ISurfaceEEEPKc20"
175                        "OMX_COLOR_FORMATTYPEjjjj");
176
177            if (func) {
178                mTarget =
179                    (*func)(surface, componentName, colorFormat,
180                        displayWidth, displayHeight,
181                        decodedWidth, decodedHeight);
182            }
183        }
184    }
185
186    if (mTarget == NULL) {
187        mTarget = new SoftwareRenderer(
188                colorFormat, surface, displayWidth, displayHeight,
189                decodedWidth, decodedHeight);
190    }
191}
192
193AwesomePlayer::AwesomePlayer()
194    : mQueueStarted(false),
195      mTimeSource(NULL),
196      mVideoRendererIsPreview(false),
197      mAudioPlayer(NULL),
198      mFlags(0),
199      mExtractorFlags(0),
200      mLastVideoBuffer(NULL),
201      mVideoBuffer(NULL),
202      mSuspensionState(NULL) {
203    CHECK_EQ(mClient.connect(), OK);
204
205    DataSource::RegisterDefaultSniffers();
206
207    mVideoEvent = new AwesomeEvent(this, &AwesomePlayer::onVideoEvent);
208    mVideoEventPending = false;
209    mStreamDoneEvent = new AwesomeEvent(this, &AwesomePlayer::onStreamDone);
210    mStreamDoneEventPending = false;
211    mBufferingEvent = new AwesomeEvent(this, &AwesomePlayer::onBufferingUpdate);
212    mBufferingEventPending = false;
213
214    mCheckAudioStatusEvent = new AwesomeEvent(
215            this, &AwesomePlayer::onCheckAudioStatus);
216
217    mAudioStatusEventPending = false;
218
219    reset();
220}
221
222AwesomePlayer::~AwesomePlayer() {
223    if (mQueueStarted) {
224        mQueue.stop();
225    }
226
227    reset();
228
229    mClient.disconnect();
230}
231
232void AwesomePlayer::cancelPlayerEvents(bool keepBufferingGoing) {
233    mQueue.cancelEvent(mVideoEvent->eventID());
234    mVideoEventPending = false;
235    mQueue.cancelEvent(mStreamDoneEvent->eventID());
236    mStreamDoneEventPending = false;
237    mQueue.cancelEvent(mCheckAudioStatusEvent->eventID());
238    mAudioStatusEventPending = false;
239
240    if (!keepBufferingGoing) {
241        mQueue.cancelEvent(mBufferingEvent->eventID());
242        mBufferingEventPending = false;
243    }
244}
245
246void AwesomePlayer::setListener(const wp<MediaPlayerBase> &listener) {
247    Mutex::Autolock autoLock(mLock);
248    mListener = listener;
249}
250
251status_t AwesomePlayer::setDataSource(
252        const char *uri, const KeyedVector<String8, String8> *headers) {
253    Mutex::Autolock autoLock(mLock);
254    return setDataSource_l(uri, headers);
255}
256
257status_t AwesomePlayer::setDataSource_l(
258        const char *uri, const KeyedVector<String8, String8> *headers) {
259    reset_l();
260
261    mUri = uri;
262
263    if (headers) {
264        mUriHeaders = *headers;
265    }
266
267    // The actual work will be done during preparation in the call to
268    // ::finishSetDataSource_l to avoid blocking the calling thread in
269    // setDataSource for any significant time.
270
271    return OK;
272}
273
274status_t AwesomePlayer::setDataSource(
275        int fd, int64_t offset, int64_t length) {
276    Mutex::Autolock autoLock(mLock);
277
278    reset_l();
279
280    sp<DataSource> dataSource = new FileSource(fd, offset, length);
281
282    status_t err = dataSource->initCheck();
283
284    if (err != OK) {
285        return err;
286    }
287
288    mFileSource = dataSource;
289
290    return setDataSource_l(dataSource);
291}
292
293status_t AwesomePlayer::setDataSource_l(
294        const sp<DataSource> &dataSource) {
295    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
296
297    if (extractor == NULL) {
298        return UNKNOWN_ERROR;
299    }
300
301    return setDataSource_l(extractor);
302}
303
304status_t AwesomePlayer::setDataSource_l(const sp<MediaExtractor> &extractor) {
305    bool haveAudio = false;
306    bool haveVideo = false;
307    for (size_t i = 0; i < extractor->countTracks(); ++i) {
308        sp<MetaData> meta = extractor->getTrackMetaData(i);
309
310        const char *mime;
311        CHECK(meta->findCString(kKeyMIMEType, &mime));
312
313        if (!haveVideo && !strncasecmp(mime, "video/", 6)) {
314            setVideoSource(extractor->getTrack(i));
315            haveVideo = true;
316        } else if (!haveAudio && !strncasecmp(mime, "audio/", 6)) {
317            setAudioSource(extractor->getTrack(i));
318            haveAudio = true;
319
320            if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
321                // Only do this for vorbis audio, none of the other audio
322                // formats even support this ringtone specific hack and
323                // retrieving the metadata on some extractors may turn out
324                // to be very expensive.
325                sp<MetaData> fileMeta = extractor->getMetaData();
326                int32_t loop;
327                if (fileMeta != NULL
328                        && fileMeta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
329                    mFlags |= AUTO_LOOPING;
330                }
331            }
332        }
333
334        if (haveAudio && haveVideo) {
335            break;
336        }
337    }
338
339    if (!haveAudio && !haveVideo) {
340        return UNKNOWN_ERROR;
341    }
342
343    mExtractorFlags = extractor->flags();
344
345    return OK;
346}
347
348void AwesomePlayer::reset() {
349    Mutex::Autolock autoLock(mLock);
350    reset_l();
351}
352
353void AwesomePlayer::reset_l() {
354    if (mFlags & PREPARING) {
355        mFlags |= PREPARE_CANCELLED;
356        if (mConnectingDataSource != NULL) {
357            LOGI("interrupting the connection process");
358            mConnectingDataSource->disconnect();
359        }
360    }
361
362    while (mFlags & PREPARING) {
363        mPreparedCondition.wait(mLock);
364    }
365
366    cancelPlayerEvents();
367
368    mCachedSource.clear();
369    mAudioTrack.clear();
370    mVideoTrack.clear();
371
372    // Shutdown audio first, so that the respone to the reset request
373    // appears to happen instantaneously as far as the user is concerned
374    // If we did this later, audio would continue playing while we
375    // shutdown the video-related resources and the player appear to
376    // not be as responsive to a reset request.
377    if (mAudioPlayer == NULL && mAudioSource != NULL) {
378        // If we had an audio player, it would have effectively
379        // taken possession of the audio source and stopped it when
380        // _it_ is stopped. Otherwise this is still our responsibility.
381        mAudioSource->stop();
382    }
383    mAudioSource.clear();
384
385    mTimeSource = NULL;
386
387    delete mAudioPlayer;
388    mAudioPlayer = NULL;
389
390    mVideoRenderer.clear();
391
392    if (mLastVideoBuffer) {
393        mLastVideoBuffer->release();
394        mLastVideoBuffer = NULL;
395    }
396
397    if (mVideoBuffer) {
398        mVideoBuffer->release();
399        mVideoBuffer = NULL;
400    }
401
402    if (mRTSPController != NULL) {
403        mRTSPController->disconnect();
404        mRTSPController.clear();
405    }
406
407    mRTPPusher.clear();
408    mRTCPPusher.clear();
409    mRTPSession.clear();
410
411    if (mVideoSource != NULL) {
412        mVideoSource->stop();
413
414        // The following hack is necessary to ensure that the OMX
415        // component is completely released by the time we may try
416        // to instantiate it again.
417        wp<MediaSource> tmp = mVideoSource;
418        mVideoSource.clear();
419        while (tmp.promote() != NULL) {
420            usleep(1000);
421        }
422        IPCThreadState::self()->flushCommands();
423    }
424
425    mDurationUs = -1;
426    mFlags = 0;
427    mExtractorFlags = 0;
428    mVideoWidth = mVideoHeight = -1;
429    mTimeSourceDeltaUs = 0;
430    mVideoTimeUs = 0;
431
432    mSeeking = false;
433    mSeekNotificationSent = false;
434    mSeekTimeUs = 0;
435
436    mUri.setTo("");
437    mUriHeaders.clear();
438
439    mFileSource.clear();
440
441    delete mSuspensionState;
442    mSuspensionState = NULL;
443}
444
445void AwesomePlayer::notifyListener_l(int msg, int ext1, int ext2) {
446    if (mListener != NULL) {
447        sp<MediaPlayerBase> listener = mListener.promote();
448
449        if (listener != NULL) {
450            listener->sendEvent(msg, ext1, ext2);
451        }
452    }
453}
454
455// Returns true iff cached duration is available/applicable.
456bool AwesomePlayer::getCachedDuration_l(int64_t *durationUs, bool *eos) {
457    off_t totalSize;
458
459    if (mRTSPController != NULL) {
460        *durationUs = mRTSPController->getQueueDurationUs(eos);
461        return true;
462    } else if (mCachedSource != NULL && mDurationUs >= 0
463            && mCachedSource->getSize(&totalSize) == OK) {
464        int64_t bitrate = totalSize * 8000000ll / mDurationUs;  // in bits/sec
465
466        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(eos);
467        *durationUs = cachedDataRemaining * 8000000ll / bitrate;
468        return true;
469    }
470
471    return false;
472}
473
474void AwesomePlayer::onBufferingUpdate() {
475    Mutex::Autolock autoLock(mLock);
476    if (!mBufferingEventPending) {
477        return;
478    }
479    mBufferingEventPending = false;
480
481    if (mCachedSource != NULL) {
482        bool eos;
483        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&eos);
484
485        if (eos) {
486            notifyListener_l(MEDIA_BUFFERING_UPDATE, 100);
487            if (mFlags & PREPARING) {
488                LOGV("cache has reached EOS, prepare is done.");
489                finishAsyncPrepare_l();
490            }
491        } else {
492            off_t size;
493            if (mDurationUs >= 0 && mCachedSource->getSize(&size) == OK) {
494                int64_t bitrate = size * 8000000ll / mDurationUs;  // in bits/sec
495
496                size_t cachedSize = mCachedSource->cachedSize();
497                int64_t cachedDurationUs = cachedSize * 8000000ll / bitrate;
498
499                int percentage = 100.0 * (double)cachedDurationUs / mDurationUs;
500                if (percentage > 100) {
501                    percentage = 100;
502                }
503
504                notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage);
505            } else {
506                // We don't know the bitrate of the stream, use absolute size
507                // limits to maintain the cache.
508
509                const size_t kLowWaterMarkBytes = 400000;
510                const size_t kHighWaterMarkBytes = 1000000;
511
512                if ((mFlags & PLAYING) && !eos
513                        && (cachedDataRemaining < kLowWaterMarkBytes)) {
514                    LOGI("cache is running low (< %d) , pausing.",
515                         kLowWaterMarkBytes);
516                    mFlags |= CACHE_UNDERRUN;
517                    pause_l();
518                    notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
519                } else if (eos || cachedDataRemaining > kHighWaterMarkBytes) {
520                    if (mFlags & CACHE_UNDERRUN) {
521                        LOGI("cache has filled up (> %d), resuming.",
522                             kHighWaterMarkBytes);
523                        mFlags &= ~CACHE_UNDERRUN;
524                        play_l();
525                        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
526                    } else if (mFlags & PREPARING) {
527                        LOGV("cache has filled up (> %d), prepare is done",
528                             kHighWaterMarkBytes);
529                        finishAsyncPrepare_l();
530                    }
531                }
532            }
533        }
534    }
535
536    int64_t cachedDurationUs;
537    bool eos;
538    if (getCachedDuration_l(&cachedDurationUs, &eos)) {
539        if ((mFlags & PLAYING) && !eos
540                && (cachedDurationUs < kLowWaterMarkUs)) {
541            LOGI("cache is running low (%.2f secs) , pausing.",
542                 cachedDurationUs / 1E6);
543            mFlags |= CACHE_UNDERRUN;
544            pause_l();
545            notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
546        } else if (eos || cachedDurationUs > kHighWaterMarkUs) {
547            if (mFlags & CACHE_UNDERRUN) {
548                LOGI("cache has filled up (%.2f secs), resuming.",
549                     cachedDurationUs / 1E6);
550                mFlags &= ~CACHE_UNDERRUN;
551                play_l();
552                notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
553            } else if (mFlags & PREPARING) {
554                LOGV("cache has filled up (%.2f secs), prepare is done",
555                     cachedDurationUs / 1E6);
556                finishAsyncPrepare_l();
557            }
558        }
559    }
560
561    postBufferingEvent_l();
562}
563
564void AwesomePlayer::onStreamDone() {
565    // Posted whenever any stream finishes playing.
566
567    Mutex::Autolock autoLock(mLock);
568    if (!mStreamDoneEventPending) {
569        return;
570    }
571    mStreamDoneEventPending = false;
572
573    if (mStreamDoneStatus != ERROR_END_OF_STREAM) {
574        LOGV("MEDIA_ERROR %d", mStreamDoneStatus);
575
576        notifyListener_l(
577                MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, mStreamDoneStatus);
578
579        pause_l();
580
581        mFlags |= AT_EOS;
582        return;
583    }
584
585    const bool allDone =
586        (mVideoSource == NULL || (mFlags & VIDEO_AT_EOS))
587            && (mAudioSource == NULL || (mFlags & AUDIO_AT_EOS));
588
589    if (!allDone) {
590        return;
591    }
592
593    if (mFlags & (LOOPING | AUTO_LOOPING)) {
594        seekTo_l(0);
595
596        if (mVideoSource != NULL) {
597            postVideoEvent_l();
598        }
599    } else {
600        LOGV("MEDIA_PLAYBACK_COMPLETE");
601        notifyListener_l(MEDIA_PLAYBACK_COMPLETE);
602
603        pause_l();
604
605        mFlags |= AT_EOS;
606    }
607}
608
609status_t AwesomePlayer::play() {
610    Mutex::Autolock autoLock(mLock);
611
612    mFlags &= ~CACHE_UNDERRUN;
613
614    return play_l();
615}
616
617status_t AwesomePlayer::play_l() {
618    if (mFlags & PLAYING) {
619        return OK;
620    }
621
622    if (!(mFlags & PREPARED)) {
623        status_t err = prepare_l();
624
625        if (err != OK) {
626            return err;
627        }
628    }
629
630    mFlags |= PLAYING;
631    mFlags |= FIRST_FRAME;
632
633    bool deferredAudioSeek = false;
634
635    if (mAudioSource != NULL) {
636        if (mAudioPlayer == NULL) {
637            if (mAudioSink != NULL) {
638                mAudioPlayer = new AudioPlayer(mAudioSink, this);
639                mAudioPlayer->setSource(mAudioSource);
640
641                // We've already started the MediaSource in order to enable
642                // the prefetcher to read its data.
643                status_t err = mAudioPlayer->start(
644                        true /* sourceAlreadyStarted */);
645
646                if (err != OK) {
647                    delete mAudioPlayer;
648                    mAudioPlayer = NULL;
649
650                    mFlags &= ~(PLAYING | FIRST_FRAME);
651
652                    return err;
653                }
654
655                mTimeSource = mAudioPlayer;
656
657                deferredAudioSeek = true;
658
659                mWatchForAudioSeekComplete = false;
660                mWatchForAudioEOS = true;
661            }
662        } else {
663            mAudioPlayer->resume();
664        }
665    }
666
667    if (mTimeSource == NULL && mAudioPlayer == NULL) {
668        mTimeSource = &mSystemTimeSource;
669    }
670
671    if (mVideoSource != NULL) {
672        // Kick off video playback
673        postVideoEvent_l();
674    }
675
676    if (deferredAudioSeek) {
677        // If there was a seek request while we were paused
678        // and we're just starting up again, honor the request now.
679        seekAudioIfNecessary_l();
680    }
681
682    if (mFlags & AT_EOS) {
683        // Legacy behaviour, if a stream finishes playing and then
684        // is started again, we play from the start...
685        seekTo_l(0);
686    }
687
688    return OK;
689}
690
691void AwesomePlayer::initRenderer_l() {
692    if (mISurface != NULL) {
693        sp<MetaData> meta = mVideoSource->getFormat();
694
695        int32_t format;
696        const char *component;
697        int32_t decodedWidth, decodedHeight;
698        CHECK(meta->findInt32(kKeyColorFormat, &format));
699        CHECK(meta->findCString(kKeyDecoderComponent, &component));
700        CHECK(meta->findInt32(kKeyWidth, &decodedWidth));
701        CHECK(meta->findInt32(kKeyHeight, &decodedHeight));
702
703        mVideoRenderer.clear();
704
705        // Must ensure that mVideoRenderer's destructor is actually executed
706        // before creating a new one.
707        IPCThreadState::self()->flushCommands();
708
709        if (!strncmp("OMX.", component, 4)) {
710            // Our OMX codecs allocate buffers on the media_server side
711            // therefore they require a remote IOMXRenderer that knows how
712            // to display them.
713            mVideoRenderer = new AwesomeRemoteRenderer(
714                mClient.interface()->createRenderer(
715                        mISurface, component,
716                        (OMX_COLOR_FORMATTYPE)format,
717                        decodedWidth, decodedHeight,
718                        mVideoWidth, mVideoHeight));
719        } else {
720            // Other decoders are instantiated locally and as a consequence
721            // allocate their buffers in local address space.
722            mVideoRenderer = new AwesomeLocalRenderer(
723                false,  // previewOnly
724                component,
725                (OMX_COLOR_FORMATTYPE)format,
726                mISurface,
727                mVideoWidth, mVideoHeight,
728                decodedWidth, decodedHeight);
729        }
730    }
731}
732
733status_t AwesomePlayer::pause() {
734    Mutex::Autolock autoLock(mLock);
735
736    mFlags &= ~CACHE_UNDERRUN;
737
738    return pause_l();
739}
740
741status_t AwesomePlayer::pause_l() {
742    if (!(mFlags & PLAYING)) {
743        return OK;
744    }
745
746    cancelPlayerEvents(true /* keepBufferingGoing */);
747
748    if (mAudioPlayer != NULL) {
749        mAudioPlayer->pause();
750    }
751
752    mFlags &= ~PLAYING;
753
754    return OK;
755}
756
757bool AwesomePlayer::isPlaying() const {
758    return (mFlags & PLAYING) || (mFlags & CACHE_UNDERRUN);
759}
760
761void AwesomePlayer::setISurface(const sp<ISurface> &isurface) {
762    Mutex::Autolock autoLock(mLock);
763
764    mISurface = isurface;
765}
766
767void AwesomePlayer::setAudioSink(
768        const sp<MediaPlayerBase::AudioSink> &audioSink) {
769    Mutex::Autolock autoLock(mLock);
770
771    mAudioSink = audioSink;
772}
773
774status_t AwesomePlayer::setLooping(bool shouldLoop) {
775    Mutex::Autolock autoLock(mLock);
776
777    mFlags = mFlags & ~LOOPING;
778
779    if (shouldLoop) {
780        mFlags |= LOOPING;
781    }
782
783    return OK;
784}
785
786status_t AwesomePlayer::getDuration(int64_t *durationUs) {
787    Mutex::Autolock autoLock(mMiscStateLock);
788
789    if (mDurationUs < 0) {
790        return UNKNOWN_ERROR;
791    }
792
793    *durationUs = mDurationUs;
794
795    return OK;
796}
797
798status_t AwesomePlayer::getPosition(int64_t *positionUs) {
799    if (mRTSPController != NULL) {
800        *positionUs = mRTSPController->getNormalPlayTimeUs();
801    }
802    else if (mSeeking) {
803        *positionUs = mSeekTimeUs;
804    } else if (mVideoSource != NULL) {
805        Mutex::Autolock autoLock(mMiscStateLock);
806        *positionUs = mVideoTimeUs;
807    } else if (mAudioPlayer != NULL) {
808        *positionUs = mAudioPlayer->getMediaTimeUs();
809    } else {
810        *positionUs = 0;
811    }
812
813    return OK;
814}
815
816status_t AwesomePlayer::seekTo(int64_t timeUs) {
817    if (mExtractorFlags
818            & (MediaExtractor::CAN_SEEK_FORWARD
819                | MediaExtractor::CAN_SEEK_BACKWARD)) {
820        Mutex::Autolock autoLock(mLock);
821        return seekTo_l(timeUs);
822    }
823
824    return OK;
825}
826
827status_t AwesomePlayer::seekTo_l(int64_t timeUs) {
828    if (mRTSPController != NULL) {
829        mRTSPController->seek(timeUs);
830
831        notifyListener_l(MEDIA_SEEK_COMPLETE);
832        mSeekNotificationSent = true;
833        return OK;
834    }
835
836    if (mFlags & CACHE_UNDERRUN) {
837        mFlags &= ~CACHE_UNDERRUN;
838        play_l();
839    }
840
841    mSeeking = true;
842    mSeekNotificationSent = false;
843    mSeekTimeUs = timeUs;
844    mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
845
846    seekAudioIfNecessary_l();
847
848    if (!(mFlags & PLAYING)) {
849        LOGV("seeking while paused, sending SEEK_COMPLETE notification"
850             " immediately.");
851
852        notifyListener_l(MEDIA_SEEK_COMPLETE);
853        mSeekNotificationSent = true;
854    }
855
856    return OK;
857}
858
859void AwesomePlayer::seekAudioIfNecessary_l() {
860    if (mSeeking && mVideoSource == NULL && mAudioPlayer != NULL) {
861        mAudioPlayer->seekTo(mSeekTimeUs);
862
863        mWatchForAudioSeekComplete = true;
864        mWatchForAudioEOS = true;
865        mSeekNotificationSent = false;
866    }
867}
868
869status_t AwesomePlayer::getVideoDimensions(
870        int32_t *width, int32_t *height) const {
871    Mutex::Autolock autoLock(mLock);
872
873    if (mVideoWidth < 0 || mVideoHeight < 0) {
874        return UNKNOWN_ERROR;
875    }
876
877    *width = mVideoWidth;
878    *height = mVideoHeight;
879
880    return OK;
881}
882
883void AwesomePlayer::setAudioSource(sp<MediaSource> source) {
884    CHECK(source != NULL);
885
886    mAudioTrack = source;
887}
888
889status_t AwesomePlayer::initAudioDecoder() {
890    sp<MetaData> meta = mAudioTrack->getFormat();
891
892    const char *mime;
893    CHECK(meta->findCString(kKeyMIMEType, &mime));
894
895    if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
896        mAudioSource = mAudioTrack;
897    } else {
898        mAudioSource = OMXCodec::Create(
899                mClient.interface(), mAudioTrack->getFormat(),
900                false, // createEncoder
901                mAudioTrack);
902    }
903
904    if (mAudioSource != NULL) {
905        int64_t durationUs;
906        if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
907            Mutex::Autolock autoLock(mMiscStateLock);
908            if (mDurationUs < 0 || durationUs > mDurationUs) {
909                mDurationUs = durationUs;
910            }
911        }
912
913        status_t err = mAudioSource->start();
914
915        if (err != OK) {
916            mAudioSource.clear();
917            return err;
918        }
919    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_QCELP)) {
920        // For legacy reasons we're simply going to ignore the absence
921        // of an audio decoder for QCELP instead of aborting playback
922        // altogether.
923        return OK;
924    }
925
926    return mAudioSource != NULL ? OK : UNKNOWN_ERROR;
927}
928
929void AwesomePlayer::setVideoSource(sp<MediaSource> source) {
930    CHECK(source != NULL);
931
932    mVideoTrack = source;
933}
934
935status_t AwesomePlayer::initVideoDecoder() {
936    uint32_t flags = 0;
937    mVideoSource = OMXCodec::Create(
938            mClient.interface(), mVideoTrack->getFormat(),
939            false, // createEncoder
940            mVideoTrack,
941            NULL, flags);
942
943    if (mVideoSource != NULL) {
944        int64_t durationUs;
945        if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
946            Mutex::Autolock autoLock(mMiscStateLock);
947            if (mDurationUs < 0 || durationUs > mDurationUs) {
948                mDurationUs = durationUs;
949            }
950        }
951
952        CHECK(mVideoTrack->getFormat()->findInt32(kKeyWidth, &mVideoWidth));
953        CHECK(mVideoTrack->getFormat()->findInt32(kKeyHeight, &mVideoHeight));
954
955        status_t err = mVideoSource->start();
956
957        if (err != OK) {
958            mVideoSource.clear();
959            return err;
960        }
961    }
962
963    return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
964}
965
966void AwesomePlayer::onVideoEvent() {
967    Mutex::Autolock autoLock(mLock);
968    if (!mVideoEventPending) {
969        // The event has been cancelled in reset_l() but had already
970        // been scheduled for execution at that time.
971        return;
972    }
973    mVideoEventPending = false;
974
975    if (mSeeking) {
976        if (mLastVideoBuffer) {
977            mLastVideoBuffer->release();
978            mLastVideoBuffer = NULL;
979        }
980
981        if (mVideoBuffer) {
982            mVideoBuffer->release();
983            mVideoBuffer = NULL;
984        }
985
986        if (mCachedSource != NULL && mAudioSource != NULL) {
987            // We're going to seek the video source first, followed by
988            // the audio source.
989            // In order to avoid jumps in the DataSource offset caused by
990            // the audio codec prefetching data from the old locations
991            // while the video codec is already reading data from the new
992            // locations, we'll "pause" the audio source, causing it to
993            // stop reading input data until a subsequent seek.
994
995            if (mAudioPlayer != NULL) {
996                mAudioPlayer->pause();
997            }
998            mAudioSource->pause();
999        }
1000    }
1001
1002    if (!mVideoBuffer) {
1003        MediaSource::ReadOptions options;
1004        if (mSeeking) {
1005            LOGV("seeking to %lld us (%.2f secs)", mSeekTimeUs, mSeekTimeUs / 1E6);
1006
1007            options.setSeekTo(
1008                    mSeekTimeUs, MediaSource::ReadOptions::SEEK_CLOSEST_SYNC);
1009        }
1010        for (;;) {
1011            status_t err = mVideoSource->read(&mVideoBuffer, &options);
1012            options.clearSeekTo();
1013
1014            if (err != OK) {
1015                CHECK_EQ(mVideoBuffer, NULL);
1016
1017                if (err == INFO_FORMAT_CHANGED) {
1018                    LOGV("VideoSource signalled format change.");
1019
1020                    if (mVideoRenderer != NULL) {
1021                        mVideoRendererIsPreview = false;
1022                        initRenderer_l();
1023                    }
1024                    continue;
1025                }
1026
1027                mFlags |= VIDEO_AT_EOS;
1028                postStreamDoneEvent_l(err);
1029                return;
1030            }
1031
1032            if (mVideoBuffer->range_length() == 0) {
1033                // Some decoders, notably the PV AVC software decoder
1034                // return spurious empty buffers that we just want to ignore.
1035
1036                mVideoBuffer->release();
1037                mVideoBuffer = NULL;
1038                continue;
1039            }
1040
1041            break;
1042        }
1043    }
1044
1045    int64_t timeUs;
1046    CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
1047
1048    {
1049        Mutex::Autolock autoLock(mMiscStateLock);
1050        mVideoTimeUs = timeUs;
1051    }
1052
1053    if (mSeeking) {
1054        if (mAudioPlayer != NULL) {
1055            LOGV("seeking audio to %lld us (%.2f secs).", timeUs, timeUs / 1E6);
1056
1057            mAudioPlayer->seekTo(timeUs);
1058            mAudioPlayer->resume();
1059            mWatchForAudioSeekComplete = true;
1060            mWatchForAudioEOS = true;
1061        } else if (!mSeekNotificationSent) {
1062            // If we're playing video only, report seek complete now,
1063            // otherwise audio player will notify us later.
1064            notifyListener_l(MEDIA_SEEK_COMPLETE);
1065        }
1066
1067        mFlags |= FIRST_FRAME;
1068        mSeeking = false;
1069        mSeekNotificationSent = false;
1070    }
1071
1072    TimeSource *ts = (mFlags & AUDIO_AT_EOS) ? &mSystemTimeSource : mTimeSource;
1073
1074    if (mFlags & FIRST_FRAME) {
1075        mFlags &= ~FIRST_FRAME;
1076
1077        mTimeSourceDeltaUs = ts->getRealTimeUs() - timeUs;
1078    }
1079
1080    int64_t realTimeUs, mediaTimeUs;
1081    if (!(mFlags & AUDIO_AT_EOS) && mAudioPlayer != NULL
1082        && mAudioPlayer->getMediaTimeMapping(&realTimeUs, &mediaTimeUs)) {
1083        mTimeSourceDeltaUs = realTimeUs - mediaTimeUs;
1084    }
1085
1086    int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;
1087
1088    int64_t latenessUs = nowUs - timeUs;
1089
1090    if (mRTPSession != NULL) {
1091        // We'll completely ignore timestamps for gtalk videochat
1092        // and we'll play incoming video as fast as we get it.
1093        latenessUs = 0;
1094    }
1095
1096    if (latenessUs > 40000) {
1097        // We're more than 40ms late.
1098        LOGV("we're late by %lld us (%.2f secs)", latenessUs, latenessUs / 1E6);
1099
1100        mVideoBuffer->release();
1101        mVideoBuffer = NULL;
1102
1103        postVideoEvent_l();
1104        return;
1105    }
1106
1107    if (latenessUs < -10000) {
1108        // We're more than 10ms early.
1109
1110        postVideoEvent_l(10000);
1111        return;
1112    }
1113
1114    if (mVideoRendererIsPreview || mVideoRenderer == NULL) {
1115        mVideoRendererIsPreview = false;
1116
1117        initRenderer_l();
1118    }
1119
1120    if (mVideoRenderer != NULL) {
1121        mVideoRenderer->render(mVideoBuffer);
1122    }
1123
1124    if (mLastVideoBuffer) {
1125        mLastVideoBuffer->release();
1126        mLastVideoBuffer = NULL;
1127    }
1128    mLastVideoBuffer = mVideoBuffer;
1129    mVideoBuffer = NULL;
1130
1131    postVideoEvent_l();
1132}
1133
1134void AwesomePlayer::postVideoEvent_l(int64_t delayUs) {
1135    if (mVideoEventPending) {
1136        return;
1137    }
1138
1139    mVideoEventPending = true;
1140    mQueue.postEventWithDelay(mVideoEvent, delayUs < 0 ? 10000 : delayUs);
1141}
1142
1143void AwesomePlayer::postStreamDoneEvent_l(status_t status) {
1144    if (mStreamDoneEventPending) {
1145        return;
1146    }
1147    mStreamDoneEventPending = true;
1148
1149    mStreamDoneStatus = status;
1150    mQueue.postEvent(mStreamDoneEvent);
1151}
1152
1153void AwesomePlayer::postBufferingEvent_l() {
1154    if (mBufferingEventPending) {
1155        return;
1156    }
1157    mBufferingEventPending = true;
1158    mQueue.postEventWithDelay(mBufferingEvent, 1000000ll);
1159}
1160
1161void AwesomePlayer::postCheckAudioStatusEvent_l() {
1162    if (mAudioStatusEventPending) {
1163        return;
1164    }
1165    mAudioStatusEventPending = true;
1166    mQueue.postEvent(mCheckAudioStatusEvent);
1167}
1168
1169void AwesomePlayer::onCheckAudioStatus() {
1170    Mutex::Autolock autoLock(mLock);
1171    if (!mAudioStatusEventPending) {
1172        // Event was dispatched and while we were blocking on the mutex,
1173        // has already been cancelled.
1174        return;
1175    }
1176
1177    mAudioStatusEventPending = false;
1178
1179    if (mWatchForAudioSeekComplete && !mAudioPlayer->isSeeking()) {
1180        mWatchForAudioSeekComplete = false;
1181
1182        if (!mSeekNotificationSent) {
1183            notifyListener_l(MEDIA_SEEK_COMPLETE);
1184            mSeekNotificationSent = true;
1185        }
1186
1187        mSeeking = false;
1188    }
1189
1190    status_t finalStatus;
1191    if (mWatchForAudioEOS && mAudioPlayer->reachedEOS(&finalStatus)) {
1192        mWatchForAudioEOS = false;
1193        mFlags |= AUDIO_AT_EOS;
1194        mFlags |= FIRST_FRAME;
1195        postStreamDoneEvent_l(finalStatus);
1196    }
1197}
1198
1199status_t AwesomePlayer::prepare() {
1200    Mutex::Autolock autoLock(mLock);
1201    return prepare_l();
1202}
1203
1204status_t AwesomePlayer::prepare_l() {
1205    if (mFlags & PREPARED) {
1206        return OK;
1207    }
1208
1209    if (mFlags & PREPARING) {
1210        return UNKNOWN_ERROR;
1211    }
1212
1213    mIsAsyncPrepare = false;
1214    status_t err = prepareAsync_l();
1215
1216    if (err != OK) {
1217        return err;
1218    }
1219
1220    while (mFlags & PREPARING) {
1221        mPreparedCondition.wait(mLock);
1222    }
1223
1224    return mPrepareResult;
1225}
1226
1227status_t AwesomePlayer::prepareAsync() {
1228    Mutex::Autolock autoLock(mLock);
1229
1230    if (mFlags & PREPARING) {
1231        return UNKNOWN_ERROR;  // async prepare already pending
1232    }
1233
1234    mIsAsyncPrepare = true;
1235    return prepareAsync_l();
1236}
1237
1238status_t AwesomePlayer::prepareAsync_l() {
1239    if (mFlags & PREPARING) {
1240        return UNKNOWN_ERROR;  // async prepare already pending
1241    }
1242
1243    if (!mQueueStarted) {
1244        mQueue.start();
1245        mQueueStarted = true;
1246    }
1247
1248    mFlags |= PREPARING;
1249    mAsyncPrepareEvent = new AwesomeEvent(
1250            this, &AwesomePlayer::onPrepareAsyncEvent);
1251
1252    mQueue.postEvent(mAsyncPrepareEvent);
1253
1254    return OK;
1255}
1256
1257status_t AwesomePlayer::finishSetDataSource_l() {
1258    sp<DataSource> dataSource;
1259
1260    if (!strncasecmp("http://", mUri.string(), 7)) {
1261        mConnectingDataSource = new NuHTTPDataSource;
1262
1263        mLock.unlock();
1264        status_t err = mConnectingDataSource->connect(mUri, &mUriHeaders);
1265        mLock.lock();
1266
1267        if (err != OK) {
1268            mConnectingDataSource.clear();
1269
1270            LOGI("mConnectingDataSource->connect() returned %d", err);
1271            return err;
1272        }
1273
1274#if 0
1275        mCachedSource = new NuCachedSource2(
1276                new ThrottledSource(
1277                    mConnectingDataSource, 50 * 1024 /* bytes/sec */));
1278#else
1279        mCachedSource = new NuCachedSource2(mConnectingDataSource);
1280#endif
1281        mConnectingDataSource.clear();
1282
1283        dataSource = mCachedSource;
1284    } else if (!strncasecmp(mUri.string(), "httplive://", 11)) {
1285        String8 uri("http://");
1286        uri.append(mUri.string() + 11);
1287
1288        dataSource = new LiveSource(uri.string());
1289
1290        mCachedSource = new NuCachedSource2(dataSource);
1291        dataSource = mCachedSource;
1292
1293        sp<MediaExtractor> extractor =
1294            MediaExtractor::Create(dataSource, MEDIA_MIMETYPE_CONTAINER_MPEG2TS);
1295
1296        return setDataSource_l(extractor);
1297    } else if (!strncmp("rtsp://gtalk/", mUri.string(), 13)) {
1298        if (mLooper == NULL) {
1299            mLooper = new ALooper;
1300            mLooper->setName("gtalk rtp");
1301            mLooper->start(
1302                    false /* runOnCallingThread */,
1303                    false /* canCallJava */,
1304                    PRIORITY_HIGHEST);
1305        }
1306
1307        const char *startOfCodecString = &mUri.string()[13];
1308        const char *startOfSlash1 = strchr(startOfCodecString, '/');
1309        if (startOfSlash1 == NULL) {
1310            return BAD_VALUE;
1311        }
1312        const char *startOfWidthString = &startOfSlash1[1];
1313        const char *startOfSlash2 = strchr(startOfWidthString, '/');
1314        if (startOfSlash2 == NULL) {
1315            return BAD_VALUE;
1316        }
1317        const char *startOfHeightString = &startOfSlash2[1];
1318
1319        String8 codecString(startOfCodecString, startOfSlash1 - startOfCodecString);
1320        String8 widthString(startOfWidthString, startOfSlash2 - startOfWidthString);
1321        String8 heightString(startOfHeightString);
1322
1323#if 0
1324        mRTPPusher = new UDPPusher("/data/misc/rtpout.bin", 5434);
1325        mLooper->registerHandler(mRTPPusher);
1326
1327        mRTCPPusher = new UDPPusher("/data/misc/rtcpout.bin", 5435);
1328        mLooper->registerHandler(mRTCPPusher);
1329#endif
1330
1331        mRTPSession = new ARTPSession;
1332        mLooper->registerHandler(mRTPSession);
1333
1334#if 0
1335        // My AMR SDP
1336        static const char *raw =
1337            "v=0\r\n"
1338            "o=- 64 233572944 IN IP4 127.0.0.0\r\n"
1339            "s=QuickTime\r\n"
1340            "t=0 0\r\n"
1341            "a=range:npt=0-315\r\n"
1342            "a=isma-compliance:2,2.0,2\r\n"
1343            "m=audio 5434 RTP/AVP 97\r\n"
1344            "c=IN IP4 127.0.0.1\r\n"
1345            "b=AS:30\r\n"
1346            "a=rtpmap:97 AMR/8000/1\r\n"
1347            "a=fmtp:97 octet-align\r\n";
1348#elif 1
1349        String8 sdp;
1350        sdp.appendFormat(
1351            "v=0\r\n"
1352            "o=- 64 233572944 IN IP4 127.0.0.0\r\n"
1353            "s=QuickTime\r\n"
1354            "t=0 0\r\n"
1355            "a=range:npt=0-315\r\n"
1356            "a=isma-compliance:2,2.0,2\r\n"
1357            "m=video 5434 RTP/AVP 97\r\n"
1358            "c=IN IP4 127.0.0.1\r\n"
1359            "b=AS:30\r\n"
1360            "a=rtpmap:97 %s/90000\r\n"
1361            "a=cliprect:0,0,%s,%s\r\n"
1362            "a=framesize:97 %s-%s\r\n",
1363
1364            codecString.string(),
1365            heightString.string(), widthString.string(),
1366            widthString.string(), heightString.string()
1367            );
1368        const char *raw = sdp.string();
1369
1370#endif
1371
1372        sp<ASessionDescription> desc = new ASessionDescription;
1373        CHECK(desc->setTo(raw, strlen(raw)));
1374
1375        CHECK_EQ(mRTPSession->setup(desc), (status_t)OK);
1376
1377        if (mRTPPusher != NULL) {
1378            mRTPPusher->start();
1379        }
1380
1381        if (mRTCPPusher != NULL) {
1382            mRTCPPusher->start();
1383        }
1384
1385        CHECK_EQ(mRTPSession->countTracks(), 1u);
1386        sp<MediaSource> source = mRTPSession->trackAt(0);
1387
1388#if 0
1389        bool eos;
1390        while (((APacketSource *)source.get())
1391                ->getQueuedDuration(&eos) < 5000000ll && !eos) {
1392            usleep(100000ll);
1393        }
1394#endif
1395
1396        const char *mime;
1397        CHECK(source->getFormat()->findCString(kKeyMIMEType, &mime));
1398
1399        if (!strncasecmp("video/", mime, 6)) {
1400            setVideoSource(source);
1401        } else {
1402            CHECK(!strncasecmp("audio/", mime, 6));
1403            setAudioSource(source);
1404        }
1405
1406        mExtractorFlags = MediaExtractor::CAN_PAUSE;
1407
1408        return OK;
1409    } else if (!strncasecmp("rtsp://", mUri.string(), 7)) {
1410        if (mLooper == NULL) {
1411            mLooper = new ALooper;
1412            mLooper->setName("rtsp");
1413            mLooper->start();
1414        }
1415        mRTSPController = new ARTSPController(mLooper);
1416        status_t err = mRTSPController->connect(mUri.string());
1417
1418        LOGI("ARTSPController::connect returned %d", err);
1419
1420        if (err != OK) {
1421            mRTSPController.clear();
1422            return err;
1423        }
1424
1425        sp<MediaExtractor> extractor = mRTSPController.get();
1426        return setDataSource_l(extractor);
1427    } else {
1428        dataSource = DataSource::CreateFromURI(mUri.string(), &mUriHeaders);
1429    }
1430
1431    if (dataSource == NULL) {
1432        return UNKNOWN_ERROR;
1433    }
1434
1435    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
1436
1437    if (extractor == NULL) {
1438        return UNKNOWN_ERROR;
1439    }
1440
1441    return setDataSource_l(extractor);
1442}
1443
1444void AwesomePlayer::abortPrepare(status_t err) {
1445    CHECK(err != OK);
1446
1447    if (mIsAsyncPrepare) {
1448        notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
1449    }
1450
1451    mPrepareResult = err;
1452    mFlags &= ~(PREPARING|PREPARE_CANCELLED);
1453    mAsyncPrepareEvent = NULL;
1454    mPreparedCondition.broadcast();
1455}
1456
1457// static
1458bool AwesomePlayer::ContinuePreparation(void *cookie) {
1459    AwesomePlayer *me = static_cast<AwesomePlayer *>(cookie);
1460
1461    return (me->mFlags & PREPARE_CANCELLED) == 0;
1462}
1463
1464void AwesomePlayer::onPrepareAsyncEvent() {
1465    Mutex::Autolock autoLock(mLock);
1466
1467    if (mFlags & PREPARE_CANCELLED) {
1468        LOGI("prepare was cancelled before doing anything");
1469        abortPrepare(UNKNOWN_ERROR);
1470        return;
1471    }
1472
1473    if (mUri.size() > 0) {
1474        status_t err = finishSetDataSource_l();
1475
1476        if (err != OK) {
1477            abortPrepare(err);
1478            return;
1479        }
1480    }
1481
1482    if (mVideoTrack != NULL && mVideoSource == NULL) {
1483        status_t err = initVideoDecoder();
1484
1485        if (err != OK) {
1486            abortPrepare(err);
1487            return;
1488        }
1489    }
1490
1491    if (mAudioTrack != NULL && mAudioSource == NULL) {
1492        status_t err = initAudioDecoder();
1493
1494        if (err != OK) {
1495            abortPrepare(err);
1496            return;
1497        }
1498    }
1499
1500    if (mCachedSource != NULL || mRTSPController != NULL) {
1501        postBufferingEvent_l();
1502    } else {
1503        finishAsyncPrepare_l();
1504    }
1505}
1506
1507void AwesomePlayer::finishAsyncPrepare_l() {
1508    if (mIsAsyncPrepare) {
1509        if (mVideoWidth < 0 || mVideoHeight < 0) {
1510            notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
1511        } else {
1512            notifyListener_l(MEDIA_SET_VIDEO_SIZE, mVideoWidth, mVideoHeight);
1513        }
1514
1515        notifyListener_l(MEDIA_PREPARED);
1516    }
1517
1518    mPrepareResult = OK;
1519    mFlags &= ~(PREPARING|PREPARE_CANCELLED);
1520    mFlags |= PREPARED;
1521    mAsyncPrepareEvent = NULL;
1522    mPreparedCondition.broadcast();
1523}
1524
1525status_t AwesomePlayer::suspend() {
1526    LOGV("suspend");
1527    Mutex::Autolock autoLock(mLock);
1528
1529    if (mSuspensionState != NULL) {
1530        if (mLastVideoBuffer == NULL) {
1531            //go into here if video is suspended again
1532            //after resuming without being played between
1533            //them
1534            SuspensionState *state = mSuspensionState;
1535            mSuspensionState = NULL;
1536            reset_l();
1537            mSuspensionState = state;
1538            return OK;
1539        }
1540
1541        delete mSuspensionState;
1542        mSuspensionState = NULL;
1543    }
1544
1545    if (mFlags & PREPARING) {
1546        mFlags |= PREPARE_CANCELLED;
1547        if (mConnectingDataSource != NULL) {
1548            LOGI("interrupting the connection process");
1549            mConnectingDataSource->disconnect();
1550        }
1551    }
1552
1553    while (mFlags & PREPARING) {
1554        mPreparedCondition.wait(mLock);
1555    }
1556
1557    SuspensionState *state = new SuspensionState;
1558    state->mUri = mUri;
1559    state->mUriHeaders = mUriHeaders;
1560    state->mFileSource = mFileSource;
1561
1562    state->mFlags = mFlags & (PLAYING | AUTO_LOOPING | LOOPING | AT_EOS);
1563    getPosition(&state->mPositionUs);
1564
1565    if (mLastVideoBuffer) {
1566        size_t size = mLastVideoBuffer->range_length();
1567        if (size) {
1568            state->mLastVideoFrameSize = size;
1569            state->mLastVideoFrame = malloc(size);
1570            memcpy(state->mLastVideoFrame,
1571                   (const uint8_t *)mLastVideoBuffer->data()
1572                        + mLastVideoBuffer->range_offset(),
1573                   size);
1574
1575            state->mVideoWidth = mVideoWidth;
1576            state->mVideoHeight = mVideoHeight;
1577
1578            sp<MetaData> meta = mVideoSource->getFormat();
1579            CHECK(meta->findInt32(kKeyColorFormat, &state->mColorFormat));
1580            CHECK(meta->findInt32(kKeyWidth, &state->mDecodedWidth));
1581            CHECK(meta->findInt32(kKeyHeight, &state->mDecodedHeight));
1582        }
1583    }
1584
1585    reset_l();
1586
1587    mSuspensionState = state;
1588
1589    return OK;
1590}
1591
1592status_t AwesomePlayer::resume() {
1593    LOGV("resume");
1594    Mutex::Autolock autoLock(mLock);
1595
1596    if (mSuspensionState == NULL) {
1597        return INVALID_OPERATION;
1598    }
1599
1600    SuspensionState *state = mSuspensionState;
1601    mSuspensionState = NULL;
1602
1603    status_t err;
1604    if (state->mFileSource != NULL) {
1605        err = setDataSource_l(state->mFileSource);
1606
1607        if (err == OK) {
1608            mFileSource = state->mFileSource;
1609        }
1610    } else {
1611        err = setDataSource_l(state->mUri, &state->mUriHeaders);
1612    }
1613
1614    if (err != OK) {
1615        delete state;
1616        state = NULL;
1617
1618        return err;
1619    }
1620
1621    seekTo_l(state->mPositionUs);
1622
1623    mFlags = state->mFlags & (AUTO_LOOPING | LOOPING | AT_EOS);
1624
1625    if (state->mLastVideoFrame && mISurface != NULL) {
1626        mVideoRenderer =
1627            new AwesomeLocalRenderer(
1628                    true,  // previewOnly
1629                    "",
1630                    (OMX_COLOR_FORMATTYPE)state->mColorFormat,
1631                    mISurface,
1632                    state->mVideoWidth,
1633                    state->mVideoHeight,
1634                    state->mDecodedWidth,
1635                    state->mDecodedHeight);
1636
1637        mVideoRendererIsPreview = true;
1638
1639        ((AwesomeLocalRenderer *)mVideoRenderer.get())->render(
1640                state->mLastVideoFrame, state->mLastVideoFrameSize);
1641    }
1642
1643    if (state->mFlags & PLAYING) {
1644        play_l();
1645    }
1646
1647    mSuspensionState = state;
1648    state = NULL;
1649
1650    return OK;
1651}
1652
1653uint32_t AwesomePlayer::flags() const {
1654    return mExtractorFlags;
1655}
1656
1657void AwesomePlayer::postAudioEOS() {
1658    postCheckAudioStatusEvent_l();
1659}
1660
1661void AwesomePlayer::postAudioSeekComplete() {
1662    postCheckAudioStatusEvent_l();
1663}
1664
1665}  // namespace android
1666
1667