AwesomePlayer.cpp revision 2b82e9652ba049e754c2cc74e381282f231d5fbf 
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(true /* at eos */);
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(true /* at eos */);
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(bool at_eos) {
742    if (!(mFlags & PLAYING)) {
743        return OK;
744    }
745
746    cancelPlayerEvents(true /* keepBufferingGoing */);
747
748    if (mAudioPlayer != NULL) {
749        if (at_eos) {
750            // If we played the audio stream to completion we
751            // want to make sure that all samples remaining in the audio
752            // track's queue are played out.
753            mAudioPlayer->pause(true /* playPendingSamples */);
754        } else {
755            mAudioPlayer->pause();
756        }
757    }
758
759    mFlags &= ~PLAYING;
760
761    return OK;
762}
763
764bool AwesomePlayer::isPlaying() const {
765    return (mFlags & PLAYING) || (mFlags & CACHE_UNDERRUN);
766}
767
768void AwesomePlayer::setISurface(const sp<ISurface> &isurface) {
769    Mutex::Autolock autoLock(mLock);
770
771    mISurface = isurface;
772}
773
774void AwesomePlayer::setAudioSink(
775        const sp<MediaPlayerBase::AudioSink> &audioSink) {
776    Mutex::Autolock autoLock(mLock);
777
778    mAudioSink = audioSink;
779}
780
781status_t AwesomePlayer::setLooping(bool shouldLoop) {
782    Mutex::Autolock autoLock(mLock);
783
784    mFlags = mFlags & ~LOOPING;
785
786    if (shouldLoop) {
787        mFlags |= LOOPING;
788    }
789
790    return OK;
791}
792
793status_t AwesomePlayer::getDuration(int64_t *durationUs) {
794    Mutex::Autolock autoLock(mMiscStateLock);
795
796    if (mDurationUs < 0) {
797        return UNKNOWN_ERROR;
798    }
799
800    *durationUs = mDurationUs;
801
802    return OK;
803}
804
805status_t AwesomePlayer::getPosition(int64_t *positionUs) {
806    if (mRTSPController != NULL) {
807        *positionUs = mRTSPController->getNormalPlayTimeUs();
808    }
809    else if (mSeeking) {
810        *positionUs = mSeekTimeUs;
811    } else if (mVideoSource != NULL) {
812        Mutex::Autolock autoLock(mMiscStateLock);
813        *positionUs = mVideoTimeUs;
814    } else if (mAudioPlayer != NULL) {
815        *positionUs = mAudioPlayer->getMediaTimeUs();
816    } else {
817        *positionUs = 0;
818    }
819
820    return OK;
821}
822
823status_t AwesomePlayer::seekTo(int64_t timeUs) {
824    if (mExtractorFlags
825            & (MediaExtractor::CAN_SEEK_FORWARD
826                | MediaExtractor::CAN_SEEK_BACKWARD)) {
827        Mutex::Autolock autoLock(mLock);
828        return seekTo_l(timeUs);
829    }
830
831    return OK;
832}
833
834status_t AwesomePlayer::seekTo_l(int64_t timeUs) {
835    if (mRTSPController != NULL) {
836        mRTSPController->seek(timeUs);
837
838        notifyListener_l(MEDIA_SEEK_COMPLETE);
839        mSeekNotificationSent = true;
840        return OK;
841    }
842
843    if (mFlags & CACHE_UNDERRUN) {
844        mFlags &= ~CACHE_UNDERRUN;
845        play_l();
846    }
847
848    mSeeking = true;
849    mSeekNotificationSent = false;
850    mSeekTimeUs = timeUs;
851    mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
852
853    seekAudioIfNecessary_l();
854
855    if (!(mFlags & PLAYING)) {
856        LOGV("seeking while paused, sending SEEK_COMPLETE notification"
857             " immediately.");
858
859        notifyListener_l(MEDIA_SEEK_COMPLETE);
860        mSeekNotificationSent = true;
861    }
862
863    return OK;
864}
865
866void AwesomePlayer::seekAudioIfNecessary_l() {
867    if (mSeeking && mVideoSource == NULL && mAudioPlayer != NULL) {
868        mAudioPlayer->seekTo(mSeekTimeUs);
869
870        mWatchForAudioSeekComplete = true;
871        mWatchForAudioEOS = true;
872        mSeekNotificationSent = false;
873    }
874}
875
876status_t AwesomePlayer::getVideoDimensions(
877        int32_t *width, int32_t *height) const {
878    Mutex::Autolock autoLock(mLock);
879
880    if (mVideoWidth < 0 || mVideoHeight < 0) {
881        return UNKNOWN_ERROR;
882    }
883
884    *width = mVideoWidth;
885    *height = mVideoHeight;
886
887    return OK;
888}
889
890void AwesomePlayer::setAudioSource(sp<MediaSource> source) {
891    CHECK(source != NULL);
892
893    mAudioTrack = source;
894}
895
896status_t AwesomePlayer::initAudioDecoder() {
897    sp<MetaData> meta = mAudioTrack->getFormat();
898
899    const char *mime;
900    CHECK(meta->findCString(kKeyMIMEType, &mime));
901
902    if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
903        mAudioSource = mAudioTrack;
904    } else {
905        mAudioSource = OMXCodec::Create(
906                mClient.interface(), mAudioTrack->getFormat(),
907                false, // createEncoder
908                mAudioTrack);
909    }
910
911    if (mAudioSource != NULL) {
912        int64_t durationUs;
913        if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
914            Mutex::Autolock autoLock(mMiscStateLock);
915            if (mDurationUs < 0 || durationUs > mDurationUs) {
916                mDurationUs = durationUs;
917            }
918        }
919
920        status_t err = mAudioSource->start();
921
922        if (err != OK) {
923            mAudioSource.clear();
924            return err;
925        }
926    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_QCELP)) {
927        // For legacy reasons we're simply going to ignore the absence
928        // of an audio decoder for QCELP instead of aborting playback
929        // altogether.
930        return OK;
931    }
932
933    return mAudioSource != NULL ? OK : UNKNOWN_ERROR;
934}
935
936void AwesomePlayer::setVideoSource(sp<MediaSource> source) {
937    CHECK(source != NULL);
938
939    mVideoTrack = source;
940}
941
942status_t AwesomePlayer::initVideoDecoder() {
943    uint32_t flags = 0;
944    mVideoSource = OMXCodec::Create(
945            mClient.interface(), mVideoTrack->getFormat(),
946            false, // createEncoder
947            mVideoTrack,
948            NULL, flags);
949
950    if (mVideoSource != NULL) {
951        int64_t durationUs;
952        if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
953            Mutex::Autolock autoLock(mMiscStateLock);
954            if (mDurationUs < 0 || durationUs > mDurationUs) {
955                mDurationUs = durationUs;
956            }
957        }
958
959        CHECK(mVideoTrack->getFormat()->findInt32(kKeyWidth, &mVideoWidth));
960        CHECK(mVideoTrack->getFormat()->findInt32(kKeyHeight, &mVideoHeight));
961
962        status_t err = mVideoSource->start();
963
964        if (err != OK) {
965            mVideoSource.clear();
966            return err;
967        }
968    }
969
970    return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
971}
972
973void AwesomePlayer::onVideoEvent() {
974    Mutex::Autolock autoLock(mLock);
975    if (!mVideoEventPending) {
976        // The event has been cancelled in reset_l() but had already
977        // been scheduled for execution at that time.
978        return;
979    }
980    mVideoEventPending = false;
981
982    if (mSeeking) {
983        if (mLastVideoBuffer) {
984            mLastVideoBuffer->release();
985            mLastVideoBuffer = NULL;
986        }
987
988        if (mVideoBuffer) {
989            mVideoBuffer->release();
990            mVideoBuffer = NULL;
991        }
992
993        if (mCachedSource != NULL && mAudioSource != NULL) {
994            // We're going to seek the video source first, followed by
995            // the audio source.
996            // In order to avoid jumps in the DataSource offset caused by
997            // the audio codec prefetching data from the old locations
998            // while the video codec is already reading data from the new
999            // locations, we'll "pause" the audio source, causing it to
1000            // stop reading input data until a subsequent seek.
1001
1002            if (mAudioPlayer != NULL) {
1003                mAudioPlayer->pause();
1004            }
1005            mAudioSource->pause();
1006        }
1007    }
1008
1009    if (!mVideoBuffer) {
1010        MediaSource::ReadOptions options;
1011        if (mSeeking) {
1012            LOGV("seeking to %lld us (%.2f secs)", mSeekTimeUs, mSeekTimeUs / 1E6);
1013
1014            options.setSeekTo(
1015                    mSeekTimeUs, MediaSource::ReadOptions::SEEK_CLOSEST_SYNC);
1016        }
1017        for (;;) {
1018            status_t err = mVideoSource->read(&mVideoBuffer, &options);
1019            options.clearSeekTo();
1020
1021            if (err != OK) {
1022                CHECK_EQ(mVideoBuffer, NULL);
1023
1024                if (err == INFO_FORMAT_CHANGED) {
1025                    LOGV("VideoSource signalled format change.");
1026
1027                    if (mVideoRenderer != NULL) {
1028                        mVideoRendererIsPreview = false;
1029                        initRenderer_l();
1030                    }
1031                    continue;
1032                }
1033
1034                mFlags |= VIDEO_AT_EOS;
1035                postStreamDoneEvent_l(err);
1036                return;
1037            }
1038
1039            if (mVideoBuffer->range_length() == 0) {
1040                // Some decoders, notably the PV AVC software decoder
1041                // return spurious empty buffers that we just want to ignore.
1042
1043                mVideoBuffer->release();
1044                mVideoBuffer = NULL;
1045                continue;
1046            }
1047
1048            break;
1049        }
1050    }
1051
1052    int64_t timeUs;
1053    CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
1054
1055    {
1056        Mutex::Autolock autoLock(mMiscStateLock);
1057        mVideoTimeUs = timeUs;
1058    }
1059
1060    if (mSeeking) {
1061        if (mAudioPlayer != NULL) {
1062            LOGV("seeking audio to %lld us (%.2f secs).", timeUs, timeUs / 1E6);
1063
1064            mAudioPlayer->seekTo(timeUs);
1065            mAudioPlayer->resume();
1066            mWatchForAudioSeekComplete = true;
1067            mWatchForAudioEOS = true;
1068        } else if (!mSeekNotificationSent) {
1069            // If we're playing video only, report seek complete now,
1070            // otherwise audio player will notify us later.
1071            notifyListener_l(MEDIA_SEEK_COMPLETE);
1072        }
1073
1074        mFlags |= FIRST_FRAME;
1075        mSeeking = false;
1076        mSeekNotificationSent = false;
1077    }
1078
1079    TimeSource *ts = (mFlags & AUDIO_AT_EOS) ? &mSystemTimeSource : mTimeSource;
1080
1081    if (mFlags & FIRST_FRAME) {
1082        mFlags &= ~FIRST_FRAME;
1083
1084        mTimeSourceDeltaUs = ts->getRealTimeUs() - timeUs;
1085    }
1086
1087    int64_t realTimeUs, mediaTimeUs;
1088    if (!(mFlags & AUDIO_AT_EOS) && mAudioPlayer != NULL
1089        && mAudioPlayer->getMediaTimeMapping(&realTimeUs, &mediaTimeUs)) {
1090        mTimeSourceDeltaUs = realTimeUs - mediaTimeUs;
1091    }
1092
1093    int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;
1094
1095    int64_t latenessUs = nowUs - timeUs;
1096
1097    if (mRTPSession != NULL) {
1098        // We'll completely ignore timestamps for gtalk videochat
1099        // and we'll play incoming video as fast as we get it.
1100        latenessUs = 0;
1101    }
1102
1103    if (latenessUs > 40000) {
1104        // We're more than 40ms late.
1105        LOGV("we're late by %lld us (%.2f secs)", latenessUs, latenessUs / 1E6);
1106
1107        mVideoBuffer->release();
1108        mVideoBuffer = NULL;
1109
1110        postVideoEvent_l();
1111        return;
1112    }
1113
1114    if (latenessUs < -10000) {
1115        // We're more than 10ms early.
1116
1117        postVideoEvent_l(10000);
1118        return;
1119    }
1120
1121    if (mVideoRendererIsPreview || mVideoRenderer == NULL) {
1122        mVideoRendererIsPreview = false;
1123
1124        initRenderer_l();
1125    }
1126
1127    if (mVideoRenderer != NULL) {
1128        mVideoRenderer->render(mVideoBuffer);
1129    }
1130
1131    if (mLastVideoBuffer) {
1132        mLastVideoBuffer->release();
1133        mLastVideoBuffer = NULL;
1134    }
1135    mLastVideoBuffer = mVideoBuffer;
1136    mVideoBuffer = NULL;
1137
1138    postVideoEvent_l();
1139}
1140
1141void AwesomePlayer::postVideoEvent_l(int64_t delayUs) {
1142    if (mVideoEventPending) {
1143        return;
1144    }
1145
1146    mVideoEventPending = true;
1147    mQueue.postEventWithDelay(mVideoEvent, delayUs < 0 ? 10000 : delayUs);
1148}
1149
1150void AwesomePlayer::postStreamDoneEvent_l(status_t status) {
1151    if (mStreamDoneEventPending) {
1152        return;
1153    }
1154    mStreamDoneEventPending = true;
1155
1156    mStreamDoneStatus = status;
1157    mQueue.postEvent(mStreamDoneEvent);
1158}
1159
1160void AwesomePlayer::postBufferingEvent_l() {
1161    if (mBufferingEventPending) {
1162        return;
1163    }
1164    mBufferingEventPending = true;
1165    mQueue.postEventWithDelay(mBufferingEvent, 1000000ll);
1166}
1167
1168void AwesomePlayer::postCheckAudioStatusEvent_l() {
1169    if (mAudioStatusEventPending) {
1170        return;
1171    }
1172    mAudioStatusEventPending = true;
1173    mQueue.postEvent(mCheckAudioStatusEvent);
1174}
1175
1176void AwesomePlayer::onCheckAudioStatus() {
1177    Mutex::Autolock autoLock(mLock);
1178    if (!mAudioStatusEventPending) {
1179        // Event was dispatched and while we were blocking on the mutex,
1180        // has already been cancelled.
1181        return;
1182    }
1183
1184    mAudioStatusEventPending = false;
1185
1186    if (mWatchForAudioSeekComplete && !mAudioPlayer->isSeeking()) {
1187        mWatchForAudioSeekComplete = false;
1188
1189        if (!mSeekNotificationSent) {
1190            notifyListener_l(MEDIA_SEEK_COMPLETE);
1191            mSeekNotificationSent = true;
1192        }
1193
1194        mSeeking = false;
1195    }
1196
1197    status_t finalStatus;
1198    if (mWatchForAudioEOS && mAudioPlayer->reachedEOS(&finalStatus)) {
1199        mWatchForAudioEOS = false;
1200        mFlags |= AUDIO_AT_EOS;
1201        mFlags |= FIRST_FRAME;
1202        postStreamDoneEvent_l(finalStatus);
1203    }
1204}
1205
1206status_t AwesomePlayer::prepare() {
1207    Mutex::Autolock autoLock(mLock);
1208    return prepare_l();
1209}
1210
1211status_t AwesomePlayer::prepare_l() {
1212    if (mFlags & PREPARED) {
1213        return OK;
1214    }
1215
1216    if (mFlags & PREPARING) {
1217        return UNKNOWN_ERROR;
1218    }
1219
1220    mIsAsyncPrepare = false;
1221    status_t err = prepareAsync_l();
1222
1223    if (err != OK) {
1224        return err;
1225    }
1226
1227    while (mFlags & PREPARING) {
1228        mPreparedCondition.wait(mLock);
1229    }
1230
1231    return mPrepareResult;
1232}
1233
1234status_t AwesomePlayer::prepareAsync() {
1235    Mutex::Autolock autoLock(mLock);
1236
1237    if (mFlags & PREPARING) {
1238        return UNKNOWN_ERROR;  // async prepare already pending
1239    }
1240
1241    mIsAsyncPrepare = true;
1242    return prepareAsync_l();
1243}
1244
1245status_t AwesomePlayer::prepareAsync_l() {
1246    if (mFlags & PREPARING) {
1247        return UNKNOWN_ERROR;  // async prepare already pending
1248    }
1249
1250    if (!mQueueStarted) {
1251        mQueue.start();
1252        mQueueStarted = true;
1253    }
1254
1255    mFlags |= PREPARING;
1256    mAsyncPrepareEvent = new AwesomeEvent(
1257            this, &AwesomePlayer::onPrepareAsyncEvent);
1258
1259    mQueue.postEvent(mAsyncPrepareEvent);
1260
1261    return OK;
1262}
1263
1264status_t AwesomePlayer::finishSetDataSource_l() {
1265    sp<DataSource> dataSource;
1266
1267    if (!strncasecmp("http://", mUri.string(), 7)) {
1268        mConnectingDataSource = new NuHTTPDataSource;
1269
1270        mLock.unlock();
1271        status_t err = mConnectingDataSource->connect(mUri, &mUriHeaders);
1272        mLock.lock();
1273
1274        if (err != OK) {
1275            mConnectingDataSource.clear();
1276
1277            LOGI("mConnectingDataSource->connect() returned %d", err);
1278            return err;
1279        }
1280
1281#if 0
1282        mCachedSource = new NuCachedSource2(
1283                new ThrottledSource(
1284                    mConnectingDataSource, 50 * 1024 /* bytes/sec */));
1285#else
1286        mCachedSource = new NuCachedSource2(mConnectingDataSource);
1287#endif
1288        mConnectingDataSource.clear();
1289
1290        dataSource = mCachedSource;
1291    } else if (!strncasecmp(mUri.string(), "httplive://", 11)) {
1292        String8 uri("http://");
1293        uri.append(mUri.string() + 11);
1294
1295        dataSource = new LiveSource(uri.string());
1296
1297        mCachedSource = new NuCachedSource2(dataSource);
1298        dataSource = mCachedSource;
1299
1300        sp<MediaExtractor> extractor =
1301            MediaExtractor::Create(dataSource, MEDIA_MIMETYPE_CONTAINER_MPEG2TS);
1302
1303        return setDataSource_l(extractor);
1304    } else if (!strncmp("rtsp://gtalk/", mUri.string(), 13)) {
1305        if (mLooper == NULL) {
1306            mLooper = new ALooper;
1307            mLooper->setName("gtalk rtp");
1308            mLooper->start(
1309                    false /* runOnCallingThread */,
1310                    false /* canCallJava */,
1311                    PRIORITY_HIGHEST);
1312        }
1313
1314        const char *startOfCodecString = &mUri.string()[13];
1315        const char *startOfSlash1 = strchr(startOfCodecString, '/');
1316        if (startOfSlash1 == NULL) {
1317            return BAD_VALUE;
1318        }
1319        const char *startOfWidthString = &startOfSlash1[1];
1320        const char *startOfSlash2 = strchr(startOfWidthString, '/');
1321        if (startOfSlash2 == NULL) {
1322            return BAD_VALUE;
1323        }
1324        const char *startOfHeightString = &startOfSlash2[1];
1325
1326        String8 codecString(startOfCodecString, startOfSlash1 - startOfCodecString);
1327        String8 widthString(startOfWidthString, startOfSlash2 - startOfWidthString);
1328        String8 heightString(startOfHeightString);
1329
1330#if 0
1331        mRTPPusher = new UDPPusher("/data/misc/rtpout.bin", 5434);
1332        mLooper->registerHandler(mRTPPusher);
1333
1334        mRTCPPusher = new UDPPusher("/data/misc/rtcpout.bin", 5435);
1335        mLooper->registerHandler(mRTCPPusher);
1336#endif
1337
1338        mRTPSession = new ARTPSession;
1339        mLooper->registerHandler(mRTPSession);
1340
1341#if 0
1342        // My AMR SDP
1343        static const char *raw =
1344            "v=0\r\n"
1345            "o=- 64 233572944 IN IP4 127.0.0.0\r\n"
1346            "s=QuickTime\r\n"
1347            "t=0 0\r\n"
1348            "a=range:npt=0-315\r\n"
1349            "a=isma-compliance:2,2.0,2\r\n"
1350            "m=audio 5434 RTP/AVP 97\r\n"
1351            "c=IN IP4 127.0.0.1\r\n"
1352            "b=AS:30\r\n"
1353            "a=rtpmap:97 AMR/8000/1\r\n"
1354            "a=fmtp:97 octet-align\r\n";
1355#elif 1
1356        String8 sdp;
1357        sdp.appendFormat(
1358            "v=0\r\n"
1359            "o=- 64 233572944 IN IP4 127.0.0.0\r\n"
1360            "s=QuickTime\r\n"
1361            "t=0 0\r\n"
1362            "a=range:npt=0-315\r\n"
1363            "a=isma-compliance:2,2.0,2\r\n"
1364            "m=video 5434 RTP/AVP 97\r\n"
1365            "c=IN IP4 127.0.0.1\r\n"
1366            "b=AS:30\r\n"
1367            "a=rtpmap:97 %s/90000\r\n"
1368            "a=cliprect:0,0,%s,%s\r\n"
1369            "a=framesize:97 %s-%s\r\n",
1370
1371            codecString.string(),
1372            heightString.string(), widthString.string(),
1373            widthString.string(), heightString.string()
1374            );
1375        const char *raw = sdp.string();
1376
1377#endif
1378
1379        sp<ASessionDescription> desc = new ASessionDescription;
1380        CHECK(desc->setTo(raw, strlen(raw)));
1381
1382        CHECK_EQ(mRTPSession->setup(desc), (status_t)OK);
1383
1384        if (mRTPPusher != NULL) {
1385            mRTPPusher->start();
1386        }
1387
1388        if (mRTCPPusher != NULL) {
1389            mRTCPPusher->start();
1390        }
1391
1392        CHECK_EQ(mRTPSession->countTracks(), 1u);
1393        sp<MediaSource> source = mRTPSession->trackAt(0);
1394
1395#if 0
1396        bool eos;
1397        while (((APacketSource *)source.get())
1398                ->getQueuedDuration(&eos) < 5000000ll && !eos) {
1399            usleep(100000ll);
1400        }
1401#endif
1402
1403        const char *mime;
1404        CHECK(source->getFormat()->findCString(kKeyMIMEType, &mime));
1405
1406        if (!strncasecmp("video/", mime, 6)) {
1407            setVideoSource(source);
1408        } else {
1409            CHECK(!strncasecmp("audio/", mime, 6));
1410            setAudioSource(source);
1411        }
1412
1413        mExtractorFlags = MediaExtractor::CAN_PAUSE;
1414
1415        return OK;
1416    } else if (!strncasecmp("rtsp://", mUri.string(), 7)) {
1417        if (mLooper == NULL) {
1418            mLooper = new ALooper;
1419            mLooper->setName("rtsp");
1420            mLooper->start();
1421        }
1422        mRTSPController = new ARTSPController(mLooper);
1423        status_t err = mRTSPController->connect(mUri.string());
1424
1425        LOGI("ARTSPController::connect returned %d", err);
1426
1427        if (err != OK) {
1428            mRTSPController.clear();
1429            return err;
1430        }
1431
1432        sp<MediaExtractor> extractor = mRTSPController.get();
1433        return setDataSource_l(extractor);
1434    } else {
1435        dataSource = DataSource::CreateFromURI(mUri.string(), &mUriHeaders);
1436    }
1437
1438    if (dataSource == NULL) {
1439        return UNKNOWN_ERROR;
1440    }
1441
1442    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
1443
1444    if (extractor == NULL) {
1445        return UNKNOWN_ERROR;
1446    }
1447
1448    return setDataSource_l(extractor);
1449}
1450
1451void AwesomePlayer::abortPrepare(status_t err) {
1452    CHECK(err != OK);
1453
1454    if (mIsAsyncPrepare) {
1455        notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
1456    }
1457
1458    mPrepareResult = err;
1459    mFlags &= ~(PREPARING|PREPARE_CANCELLED);
1460    mAsyncPrepareEvent = NULL;
1461    mPreparedCondition.broadcast();
1462}
1463
1464// static
1465bool AwesomePlayer::ContinuePreparation(void *cookie) {
1466    AwesomePlayer *me = static_cast<AwesomePlayer *>(cookie);
1467
1468    return (me->mFlags & PREPARE_CANCELLED) == 0;
1469}
1470
1471void AwesomePlayer::onPrepareAsyncEvent() {
1472    Mutex::Autolock autoLock(mLock);
1473
1474    if (mFlags & PREPARE_CANCELLED) {
1475        LOGI("prepare was cancelled before doing anything");
1476        abortPrepare(UNKNOWN_ERROR);
1477        return;
1478    }
1479
1480    if (mUri.size() > 0) {
1481        status_t err = finishSetDataSource_l();
1482
1483        if (err != OK) {
1484            abortPrepare(err);
1485            return;
1486        }
1487    }
1488
1489    if (mVideoTrack != NULL && mVideoSource == NULL) {
1490        status_t err = initVideoDecoder();
1491
1492        if (err != OK) {
1493            abortPrepare(err);
1494            return;
1495        }
1496    }
1497
1498    if (mAudioTrack != NULL && mAudioSource == NULL) {
1499        status_t err = initAudioDecoder();
1500
1501        if (err != OK) {
1502            abortPrepare(err);
1503            return;
1504        }
1505    }
1506
1507    if (mCachedSource != NULL || mRTSPController != NULL) {
1508        postBufferingEvent_l();
1509    } else {
1510        finishAsyncPrepare_l();
1511    }
1512}
1513
1514void AwesomePlayer::finishAsyncPrepare_l() {
1515    if (mIsAsyncPrepare) {
1516        if (mVideoWidth < 0 || mVideoHeight < 0) {
1517            notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
1518        } else {
1519            notifyListener_l(MEDIA_SET_VIDEO_SIZE, mVideoWidth, mVideoHeight);
1520        }
1521
1522        notifyListener_l(MEDIA_PREPARED);
1523    }
1524
1525    mPrepareResult = OK;
1526    mFlags &= ~(PREPARING|PREPARE_CANCELLED);
1527    mFlags |= PREPARED;
1528    mAsyncPrepareEvent = NULL;
1529    mPreparedCondition.broadcast();
1530}
1531
1532status_t AwesomePlayer::suspend() {
1533    LOGV("suspend");
1534    Mutex::Autolock autoLock(mLock);
1535
1536    if (mSuspensionState != NULL) {
1537        if (mLastVideoBuffer == NULL) {
1538            //go into here if video is suspended again
1539            //after resuming without being played between
1540            //them
1541            SuspensionState *state = mSuspensionState;
1542            mSuspensionState = NULL;
1543            reset_l();
1544            mSuspensionState = state;
1545            return OK;
1546        }
1547
1548        delete mSuspensionState;
1549        mSuspensionState = NULL;
1550    }
1551
1552    if (mFlags & PREPARING) {
1553        mFlags |= PREPARE_CANCELLED;
1554        if (mConnectingDataSource != NULL) {
1555            LOGI("interrupting the connection process");
1556            mConnectingDataSource->disconnect();
1557        }
1558    }
1559
1560    while (mFlags & PREPARING) {
1561        mPreparedCondition.wait(mLock);
1562    }
1563
1564    SuspensionState *state = new SuspensionState;
1565    state->mUri = mUri;
1566    state->mUriHeaders = mUriHeaders;
1567    state->mFileSource = mFileSource;
1568
1569    state->mFlags = mFlags & (PLAYING | AUTO_LOOPING | LOOPING | AT_EOS);
1570    getPosition(&state->mPositionUs);
1571
1572    if (mLastVideoBuffer) {
1573        size_t size = mLastVideoBuffer->range_length();
1574
1575        if (size) {
1576            int32_t unreadable;
1577            if (!mLastVideoBuffer->meta_data()->findInt32(
1578                        kKeyIsUnreadable, &unreadable)
1579                    || unreadable == 0) {
1580                state->mLastVideoFrameSize = size;
1581                state->mLastVideoFrame = malloc(size);
1582                memcpy(state->mLastVideoFrame,
1583                       (const uint8_t *)mLastVideoBuffer->data()
1584                            + mLastVideoBuffer->range_offset(),
1585                       size);
1586
1587                state->mVideoWidth = mVideoWidth;
1588                state->mVideoHeight = mVideoHeight;
1589
1590                sp<MetaData> meta = mVideoSource->getFormat();
1591                CHECK(meta->findInt32(kKeyColorFormat, &state->mColorFormat));
1592                CHECK(meta->findInt32(kKeyWidth, &state->mDecodedWidth));
1593                CHECK(meta->findInt32(kKeyHeight, &state->mDecodedHeight));
1594            } else {
1595                LOGV("Unable to save last video frame, we have no access to "
1596                     "the decoded video data.");
1597            }
1598        }
1599    }
1600
1601    reset_l();
1602
1603    mSuspensionState = state;
1604
1605    return OK;
1606}
1607
1608status_t AwesomePlayer::resume() {
1609    LOGV("resume");
1610    Mutex::Autolock autoLock(mLock);
1611
1612    if (mSuspensionState == NULL) {
1613        return INVALID_OPERATION;
1614    }
1615
1616    SuspensionState *state = mSuspensionState;
1617    mSuspensionState = NULL;
1618
1619    status_t err;
1620    if (state->mFileSource != NULL) {
1621        err = setDataSource_l(state->mFileSource);
1622
1623        if (err == OK) {
1624            mFileSource = state->mFileSource;
1625        }
1626    } else {
1627        err = setDataSource_l(state->mUri, &state->mUriHeaders);
1628    }
1629
1630    if (err != OK) {
1631        delete state;
1632        state = NULL;
1633
1634        return err;
1635    }
1636
1637    seekTo_l(state->mPositionUs);
1638
1639    mFlags = state->mFlags & (AUTO_LOOPING | LOOPING | AT_EOS);
1640
1641    if (state->mLastVideoFrame && mISurface != NULL) {
1642        mVideoRenderer =
1643            new AwesomeLocalRenderer(
1644                    true,  // previewOnly
1645                    "",
1646                    (OMX_COLOR_FORMATTYPE)state->mColorFormat,
1647                    mISurface,
1648                    state->mVideoWidth,
1649                    state->mVideoHeight,
1650                    state->mDecodedWidth,
1651                    state->mDecodedHeight);
1652
1653        mVideoRendererIsPreview = true;
1654
1655        ((AwesomeLocalRenderer *)mVideoRenderer.get())->render(
1656                state->mLastVideoFrame, state->mLastVideoFrameSize);
1657    }
1658
1659    if (state->mFlags & PLAYING) {
1660        play_l();
1661    }
1662
1663    mSuspensionState = state;
1664    state = NULL;
1665
1666    return OK;
1667}
1668
1669uint32_t AwesomePlayer::flags() const {
1670    return mExtractorFlags;
1671}
1672
1673void AwesomePlayer::postAudioEOS() {
1674    postCheckAudioStatusEvent_l();
1675}
1676
1677void AwesomePlayer::postAudioSeekComplete() {
1678    postCheckAudioStatusEvent_l();
1679}
1680
1681}  // namespace android
1682
1683