AwesomePlayer.cpp revision 8852dbbdf3ceda01a96f3c8a814822e224239494
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/Surface.h>
48
49#include <media/stagefright/foundation/ALooper.h>
50
51namespace android {
52
53struct AwesomeEvent : public TimedEventQueue::Event {
54    AwesomeEvent(
55            AwesomePlayer *player,
56            void (AwesomePlayer::*method)())
57        : mPlayer(player),
58          mMethod(method) {
59    }
60
61protected:
62    virtual ~AwesomeEvent() {}
63
64    virtual void fire(TimedEventQueue *queue, int64_t /* now_us */) {
65        (mPlayer->*mMethod)();
66    }
67
68private:
69    AwesomePlayer *mPlayer;
70    void (AwesomePlayer::*mMethod)();
71
72    AwesomeEvent(const AwesomeEvent &);
73    AwesomeEvent &operator=(const AwesomeEvent &);
74};
75
76struct AwesomeRemoteRenderer : public AwesomeRenderer {
77    AwesomeRemoteRenderer(const sp<IOMXRenderer> &target)
78        : mTarget(target) {
79    }
80
81    virtual void render(MediaBuffer *buffer) {
82        void *id;
83        if (buffer->meta_data()->findPointer(kKeyBufferID, &id)) {
84            mTarget->render((IOMX::buffer_id)id);
85        }
86    }
87
88private:
89    sp<IOMXRenderer> mTarget;
90
91    AwesomeRemoteRenderer(const AwesomeRemoteRenderer &);
92    AwesomeRemoteRenderer &operator=(const AwesomeRemoteRenderer &);
93};
94
95struct AwesomeLocalRenderer : public AwesomeRenderer {
96    AwesomeLocalRenderer(
97            bool previewOnly,
98            const char *componentName,
99            OMX_COLOR_FORMATTYPE colorFormat,
100            const sp<ISurface> &isurface,
101            const sp<Surface> &surface,
102            size_t displayWidth, size_t displayHeight,
103            size_t decodedWidth, size_t decodedHeight)
104        : mTarget(NULL),
105          mLibHandle(NULL) {
106            init(previewOnly, componentName,
107                 colorFormat, isurface, surface, displayWidth,
108                 displayHeight, decodedWidth, decodedHeight);
109    }
110
111    virtual void render(MediaBuffer *buffer) {
112        render((const uint8_t *)buffer->data() + buffer->range_offset(),
113               buffer->range_length());
114    }
115
116    void render(const void *data, size_t size) {
117        mTarget->render(data, size, NULL);
118    }
119
120protected:
121    virtual ~AwesomeLocalRenderer() {
122        delete mTarget;
123        mTarget = NULL;
124
125        if (mLibHandle) {
126            dlclose(mLibHandle);
127            mLibHandle = NULL;
128        }
129    }
130
131private:
132    VideoRenderer *mTarget;
133    void *mLibHandle;
134
135    void init(
136            bool previewOnly,
137            const char *componentName,
138            OMX_COLOR_FORMATTYPE colorFormat,
139            const sp<ISurface> &isurface,
140            const sp<Surface> &surface,
141            size_t displayWidth, size_t displayHeight,
142            size_t decodedWidth, size_t decodedHeight);
143
144    AwesomeLocalRenderer(const AwesomeLocalRenderer &);
145    AwesomeLocalRenderer &operator=(const AwesomeLocalRenderer &);;
146};
147
148void AwesomeLocalRenderer::init(
149        bool previewOnly,
150        const char *componentName,
151        OMX_COLOR_FORMATTYPE colorFormat,
152        const sp<ISurface> &isurface,
153        const sp<Surface> &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)(isurface, 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#if 0
277    // return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/sl.m3u8");
278    return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/0440.m3u8");
279    // return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/0640.m3u8");
280    // return setDataSource("httplive://qthttp.apple.com.edgesuite.net/1009qpeijrfn/1240_vod.m3u8");
281    // return setDataSource("httplive://iphoned5.akamai.com.edgesuite.net/mhbarron/nasatv/nasatv_96.m3u8");
282    // return setDataSource("httplive://iphoned5.akamai.com.edgesuite.net/mhbarron/nasatv/nasatv_1500.m3u8");
283    // return setDataSource("httplive://iphone.video.hsn.com/iPhone_high.m3u8");
284    // return setDataSource("httplive://iphoned5.akamai.com.edgesuite.net/mhbarron/iphonewebcast/webcast090209_all/webcast090209_all.m3u8");
285    // return setDataSource("httplive://qthttp.akamai.com.edgesuite.net/iphone_demo/Video_Content/usat/tt_062209_iphone/hi/prog_index.m3u8");
286    // return setDataSource("httplive://qthttp.akamai.com.edgesuite.net/iphone_demo/Video_Content/usat/tt_googmaps/hi/prog_index.m3u8");
287    // return setDataSource("httplive://qthttp.akamai.com.edgesuite.net/iphone_demo/Video_Content/mtv/ni_spo_25a_rt74137_clip_syn/hi/prog_index.m3u8");
288#endif
289
290    Mutex::Autolock autoLock(mLock);
291
292    reset_l();
293
294    sp<DataSource> dataSource = new FileSource(fd, offset, length);
295
296    status_t err = dataSource->initCheck();
297
298    if (err != OK) {
299        return err;
300    }
301
302    mFileSource = dataSource;
303
304    return setDataSource_l(dataSource);
305}
306
307status_t AwesomePlayer::setDataSource_l(
308        const sp<DataSource> &dataSource) {
309    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
310
311    if (extractor == NULL) {
312        return UNKNOWN_ERROR;
313    }
314
315    return setDataSource_l(extractor);
316}
317
318status_t AwesomePlayer::setDataSource_l(const sp<MediaExtractor> &extractor) {
319    bool haveAudio = false;
320    bool haveVideo = false;
321    for (size_t i = 0; i < extractor->countTracks(); ++i) {
322        sp<MetaData> meta = extractor->getTrackMetaData(i);
323
324        const char *mime;
325        CHECK(meta->findCString(kKeyMIMEType, &mime));
326
327        if (!haveVideo && !strncasecmp(mime, "video/", 6)) {
328            setVideoSource(extractor->getTrack(i));
329            haveVideo = true;
330        } else if (!haveAudio && !strncasecmp(mime, "audio/", 6)) {
331            setAudioSource(extractor->getTrack(i));
332            haveAudio = true;
333        }
334
335        if (haveAudio && haveVideo) {
336            break;
337        }
338    }
339
340    if (!haveAudio && !haveVideo) {
341        return UNKNOWN_ERROR;
342    }
343
344    mExtractorFlags = extractor->flags();
345
346    return OK;
347}
348
349void AwesomePlayer::reset() {
350    Mutex::Autolock autoLock(mLock);
351    reset_l();
352}
353
354void AwesomePlayer::reset_l() {
355    if (mFlags & PREPARING) {
356        mFlags |= PREPARE_CANCELLED;
357        if (mConnectingDataSource != NULL) {
358            LOGI("interrupting the connection process");
359            mConnectingDataSource->disconnect();
360        }
361    }
362
363    while (mFlags & PREPARING) {
364        mPreparedCondition.wait(mLock);
365    }
366
367    cancelPlayerEvents();
368
369    mCachedSource.clear();
370    mAudioTrack.clear();
371    mVideoTrack.clear();
372
373    // Shutdown audio first, so that the respone to the reset request
374    // appears to happen instantaneously as far as the user is concerned
375    // If we did this later, audio would continue playing while we
376    // shutdown the video-related resources and the player appear to
377    // not be as responsive to a reset request.
378    if (mAudioPlayer == NULL && mAudioSource != NULL) {
379        // If we had an audio player, it would have effectively
380        // taken possession of the audio source and stopped it when
381        // _it_ is stopped. Otherwise this is still our responsibility.
382        mAudioSource->stop();
383    }
384    mAudioSource.clear();
385
386    mTimeSource = NULL;
387
388    delete mAudioPlayer;
389    mAudioPlayer = NULL;
390
391    mVideoRenderer.clear();
392
393    if (mLastVideoBuffer) {
394        mLastVideoBuffer->release();
395        mLastVideoBuffer = NULL;
396    }
397
398    if (mVideoBuffer) {
399        mVideoBuffer->release();
400        mVideoBuffer = NULL;
401    }
402
403    if (mRTSPController != NULL) {
404        mRTSPController->disconnect();
405        mRTSPController.clear();
406    }
407
408    mRTPPusher.clear();
409    mRTCPPusher.clear();
410    mRTPSession.clear();
411
412    if (mVideoSource != NULL) {
413        mVideoSource->stop();
414
415        // The following hack is necessary to ensure that the OMX
416        // component is completely released by the time we may try
417        // to instantiate it again.
418        wp<MediaSource> tmp = mVideoSource;
419        mVideoSource.clear();
420        while (tmp.promote() != NULL) {
421            usleep(1000);
422        }
423        IPCThreadState::self()->flushCommands();
424    }
425
426    mDurationUs = -1;
427    mFlags = 0;
428    mExtractorFlags = 0;
429    mVideoWidth = mVideoHeight = -1;
430    mTimeSourceDeltaUs = 0;
431    mVideoTimeUs = 0;
432
433    mSeeking = false;
434    mSeekNotificationSent = false;
435    mSeekTimeUs = 0;
436
437    mUri.setTo("");
438    mUriHeaders.clear();
439
440    mFileSource.clear();
441
442    delete mSuspensionState;
443    mSuspensionState = NULL;
444}
445
446void AwesomePlayer::notifyListener_l(int msg, int ext1, int ext2) {
447    if (mListener != NULL) {
448        sp<MediaPlayerBase> listener = mListener.promote();
449
450        if (listener != NULL) {
451            listener->sendEvent(msg, ext1, ext2);
452        }
453    }
454}
455
456void AwesomePlayer::onBufferingUpdate() {
457    Mutex::Autolock autoLock(mLock);
458    if (!mBufferingEventPending) {
459        return;
460    }
461    mBufferingEventPending = false;
462
463    if (mCachedSource == NULL) {
464        return;
465    }
466
467    bool eos;
468    size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&eos);
469
470    size_t lowWatermark = 400000;
471    size_t highWatermark = 1000000;
472
473    if (eos) {
474        notifyListener_l(MEDIA_BUFFERING_UPDATE, 100);
475    } else {
476        off_t size;
477        if (mDurationUs >= 0 && mCachedSource->getSize(&size) == OK) {
478            int64_t bitrate = size * 8000000ll / mDurationUs;  // in bits/sec
479
480            size_t cachedSize = mCachedSource->cachedSize();
481            int64_t cachedDurationUs = cachedSize * 8000000ll / bitrate;
482
483            int percentage = 100.0 * (double)cachedDurationUs / mDurationUs;
484            if (percentage > 100) {
485                percentage = 100;
486            }
487
488            notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage);
489
490            lowWatermark = 2 * bitrate / 8;  // 2 secs
491            highWatermark = 10 * bitrate / 8;  // 10 secs
492        }
493    }
494
495    if ((mFlags & PLAYING) && !eos && (cachedDataRemaining < lowWatermark)) {
496        LOGI("cache is running low (< %d) , pausing.", lowWatermark);
497        mFlags |= CACHE_UNDERRUN;
498        pause_l();
499        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
500    } else if ((mFlags & CACHE_UNDERRUN)
501            && (eos || cachedDataRemaining > highWatermark)) {
502        LOGI("cache has filled up (> %d), resuming.", highWatermark);
503        mFlags &= ~CACHE_UNDERRUN;
504        play_l();
505        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
506    }
507
508    postBufferingEvent_l();
509}
510
511void AwesomePlayer::onStreamDone() {
512    // Posted whenever any stream finishes playing.
513
514    Mutex::Autolock autoLock(mLock);
515    if (!mStreamDoneEventPending) {
516        return;
517    }
518    mStreamDoneEventPending = false;
519
520    if (mStreamDoneStatus != ERROR_END_OF_STREAM) {
521        LOGV("MEDIA_ERROR %d", mStreamDoneStatus);
522
523        notifyListener_l(
524                MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, mStreamDoneStatus);
525
526        pause_l();
527
528        mFlags |= AT_EOS;
529        return;
530    }
531
532    const bool allDone =
533        (mVideoSource == NULL || (mFlags & VIDEO_AT_EOS))
534            && (mAudioSource == NULL || (mFlags & AUDIO_AT_EOS));
535
536    if (!allDone) {
537        return;
538    }
539
540    if (mFlags & LOOPING) {
541        seekTo_l(0);
542
543        if (mVideoSource != NULL) {
544            postVideoEvent_l();
545        }
546    } else {
547        LOGV("MEDIA_PLAYBACK_COMPLETE");
548        notifyListener_l(MEDIA_PLAYBACK_COMPLETE);
549
550        pause_l();
551
552        mFlags |= AT_EOS;
553    }
554}
555
556status_t AwesomePlayer::play() {
557    Mutex::Autolock autoLock(mLock);
558
559    mFlags &= ~CACHE_UNDERRUN;
560
561    return play_l();
562}
563
564status_t AwesomePlayer::play_l() {
565    if (mFlags & PLAYING) {
566        return OK;
567    }
568
569    if (!(mFlags & PREPARED)) {
570        status_t err = prepare_l();
571
572        if (err != OK) {
573            return err;
574        }
575    }
576
577    mFlags |= PLAYING;
578    mFlags |= FIRST_FRAME;
579
580    bool deferredAudioSeek = false;
581
582    if (mAudioSource != NULL) {
583        if (mAudioPlayer == NULL) {
584            if (mAudioSink != NULL) {
585                mAudioPlayer = new AudioPlayer(mAudioSink);
586                mAudioPlayer->setSource(mAudioSource);
587
588                // We've already started the MediaSource in order to enable
589                // the prefetcher to read its data.
590                status_t err = mAudioPlayer->start(
591                        true /* sourceAlreadyStarted */);
592
593                if (err != OK) {
594                    delete mAudioPlayer;
595                    mAudioPlayer = NULL;
596
597                    mFlags &= ~(PLAYING | FIRST_FRAME);
598
599                    return err;
600                }
601
602                mTimeSource = mAudioPlayer;
603
604                deferredAudioSeek = true;
605
606                mWatchForAudioSeekComplete = false;
607                mWatchForAudioEOS = true;
608            }
609        } else {
610            mAudioPlayer->resume();
611        }
612
613        postCheckAudioStatusEvent_l();
614    }
615
616    if (mTimeSource == NULL && mAudioPlayer == NULL) {
617        mTimeSource = &mSystemTimeSource;
618    }
619
620    if (mVideoSource != NULL) {
621        // Kick off video playback
622        postVideoEvent_l();
623    }
624
625    if (deferredAudioSeek) {
626        // If there was a seek request while we were paused
627        // and we're just starting up again, honor the request now.
628        seekAudioIfNecessary_l();
629    }
630
631    if (mFlags & AT_EOS) {
632        // Legacy behaviour, if a stream finishes playing and then
633        // is started again, we play from the start...
634        seekTo_l(0);
635    }
636
637    return OK;
638}
639
640void AwesomePlayer::notifyVideoSize_l() {
641    sp<MetaData> meta = mVideoSource->getFormat();
642
643    int32_t decodedWidth, decodedHeight;
644    CHECK(meta->findInt32(kKeyWidth, &decodedWidth));
645    CHECK(meta->findInt32(kKeyHeight, &decodedHeight));
646
647    notifyListener_l(MEDIA_SET_VIDEO_SIZE, decodedWidth, decodedHeight);
648}
649
650void AwesomePlayer::initRenderer_l() {
651    if (mSurface != NULL || mISurface != NULL) {
652        sp<MetaData> meta = mVideoSource->getFormat();
653
654        int32_t format;
655        const char *component;
656        int32_t decodedWidth, decodedHeight;
657        CHECK(meta->findInt32(kKeyColorFormat, &format));
658        CHECK(meta->findCString(kKeyDecoderComponent, &component));
659        CHECK(meta->findInt32(kKeyWidth, &decodedWidth));
660        CHECK(meta->findInt32(kKeyHeight, &decodedHeight));
661
662        mVideoRenderer.clear();
663
664        // Must ensure that mVideoRenderer's destructor is actually executed
665        // before creating a new one.
666        IPCThreadState::self()->flushCommands();
667
668        if (mSurface != NULL) {
669            // Other decoders are instantiated locally and as a consequence
670            // allocate their buffers in local address space.
671            mVideoRenderer = new AwesomeLocalRenderer(
672                false,  // previewOnly
673                component,
674                (OMX_COLOR_FORMATTYPE)format,
675                mISurface,
676                mSurface,
677                mVideoWidth, mVideoHeight,
678                decodedWidth, decodedHeight);
679        } else {
680            // Our OMX codecs allocate buffers on the media_server side
681            // therefore they require a remote IOMXRenderer that knows how
682            // to display them.
683            mVideoRenderer = new AwesomeRemoteRenderer(
684                mClient.interface()->createRenderer(
685                        mISurface, component,
686                        (OMX_COLOR_FORMATTYPE)format,
687                        decodedWidth, decodedHeight,
688                        mVideoWidth, mVideoHeight));
689        }
690    }
691}
692
693status_t AwesomePlayer::pause() {
694    Mutex::Autolock autoLock(mLock);
695
696    mFlags &= ~CACHE_UNDERRUN;
697
698    return pause_l();
699}
700
701status_t AwesomePlayer::pause_l() {
702    if (!(mFlags & PLAYING)) {
703        return OK;
704    }
705
706    cancelPlayerEvents(true /* keepBufferingGoing */);
707
708    if (mAudioPlayer != NULL) {
709        mAudioPlayer->pause();
710    }
711
712    mFlags &= ~PLAYING;
713
714    return OK;
715}
716
717bool AwesomePlayer::isPlaying() const {
718    return (mFlags & PLAYING) || (mFlags & CACHE_UNDERRUN);
719}
720
721void AwesomePlayer::setISurface(const sp<ISurface> &isurface) {
722    Mutex::Autolock autoLock(mLock);
723
724    mISurface = isurface;
725}
726
727void AwesomePlayer::setSurface(const sp<Surface> &surface) {
728    Mutex::Autolock autoLock(mLock);
729
730    mSurface = surface;
731}
732
733void AwesomePlayer::setAudioSink(
734        const sp<MediaPlayerBase::AudioSink> &audioSink) {
735    Mutex::Autolock autoLock(mLock);
736
737    mAudioSink = audioSink;
738}
739
740status_t AwesomePlayer::setLooping(bool shouldLoop) {
741    Mutex::Autolock autoLock(mLock);
742
743    mFlags = mFlags & ~LOOPING;
744
745    if (shouldLoop) {
746        mFlags |= LOOPING;
747    }
748
749    return OK;
750}
751
752status_t AwesomePlayer::getDuration(int64_t *durationUs) {
753    Mutex::Autolock autoLock(mMiscStateLock);
754
755    if (mDurationUs < 0) {
756        return UNKNOWN_ERROR;
757    }
758
759    *durationUs = mDurationUs;
760
761    return OK;
762}
763
764status_t AwesomePlayer::getPosition(int64_t *positionUs) {
765    if (mRTSPController != NULL) {
766        *positionUs = mRTSPController->getNormalPlayTimeUs();
767    }
768    else if (mSeeking) {
769        *positionUs = mSeekTimeUs;
770    } else if (mVideoSource != NULL) {
771        Mutex::Autolock autoLock(mMiscStateLock);
772        *positionUs = mVideoTimeUs;
773    } else if (mAudioPlayer != NULL) {
774        *positionUs = mAudioPlayer->getMediaTimeUs();
775    } else {
776        *positionUs = 0;
777    }
778
779    return OK;
780}
781
782status_t AwesomePlayer::seekTo(int64_t timeUs) {
783    if (mExtractorFlags
784            & (MediaExtractor::CAN_SEEK_FORWARD
785                | MediaExtractor::CAN_SEEK_BACKWARD)) {
786        Mutex::Autolock autoLock(mLock);
787        return seekTo_l(timeUs);
788    }
789
790    return OK;
791}
792
793status_t AwesomePlayer::seekTo_l(int64_t timeUs) {
794    if (mRTSPController != NULL) {
795        mRTSPController->seek(timeUs);
796
797        notifyListener_l(MEDIA_SEEK_COMPLETE);
798        mSeekNotificationSent = true;
799        return OK;
800    }
801
802    if (mFlags & CACHE_UNDERRUN) {
803        mFlags &= ~CACHE_UNDERRUN;
804        play_l();
805    }
806
807    mSeeking = true;
808    mSeekNotificationSent = false;
809    mSeekTimeUs = timeUs;
810    mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
811
812    seekAudioIfNecessary_l();
813
814    if (!(mFlags & PLAYING)) {
815        LOGV("seeking while paused, sending SEEK_COMPLETE notification"
816             " immediately.");
817
818        notifyListener_l(MEDIA_SEEK_COMPLETE);
819        mSeekNotificationSent = true;
820    }
821
822    return OK;
823}
824
825void AwesomePlayer::seekAudioIfNecessary_l() {
826    if (mSeeking && mVideoSource == NULL && mAudioPlayer != NULL) {
827        mAudioPlayer->seekTo(mSeekTimeUs);
828
829        mWatchForAudioSeekComplete = true;
830        mWatchForAudioEOS = true;
831        mSeekNotificationSent = false;
832    }
833}
834
835status_t AwesomePlayer::getVideoDimensions(
836        int32_t *width, int32_t *height) const {
837    Mutex::Autolock autoLock(mLock);
838
839    if (mVideoWidth < 0 || mVideoHeight < 0) {
840        return UNKNOWN_ERROR;
841    }
842
843    *width = mVideoWidth;
844    *height = mVideoHeight;
845
846    return OK;
847}
848
849void AwesomePlayer::setAudioSource(sp<MediaSource> source) {
850    CHECK(source != NULL);
851
852    mAudioTrack = source;
853}
854
855status_t AwesomePlayer::initAudioDecoder() {
856    sp<MetaData> meta = mAudioTrack->getFormat();
857
858    const char *mime;
859    CHECK(meta->findCString(kKeyMIMEType, &mime));
860
861    if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
862        mAudioSource = mAudioTrack;
863    } else {
864        mAudioSource = OMXCodec::Create(
865                mClient.interface(), mAudioTrack->getFormat(),
866                false, // createEncoder
867                mAudioTrack);
868    }
869
870    if (mAudioSource != NULL) {
871        int64_t durationUs;
872        if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
873            Mutex::Autolock autoLock(mMiscStateLock);
874            if (mDurationUs < 0 || durationUs > mDurationUs) {
875                mDurationUs = durationUs;
876            }
877        }
878
879        status_t err = mAudioSource->start();
880
881        if (err != OK) {
882            mAudioSource.clear();
883            return err;
884        }
885    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_QCELP)) {
886        // For legacy reasons we're simply going to ignore the absence
887        // of an audio decoder for QCELP instead of aborting playback
888        // altogether.
889        return OK;
890    }
891
892    return mAudioSource != NULL ? OK : UNKNOWN_ERROR;
893}
894
895void AwesomePlayer::setVideoSource(sp<MediaSource> source) {
896    CHECK(source != NULL);
897
898    mVideoTrack = source;
899}
900
901status_t AwesomePlayer::initVideoDecoder() {
902    uint32_t flags = 0;
903    mVideoSource = OMXCodec::Create(
904            mClient.interface(), mVideoTrack->getFormat(),
905            false, // createEncoder
906            mVideoTrack,
907            NULL, flags);
908
909    if (mVideoSource != NULL) {
910        int64_t durationUs;
911        if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
912            Mutex::Autolock autoLock(mMiscStateLock);
913            if (mDurationUs < 0 || durationUs > mDurationUs) {
914                mDurationUs = durationUs;
915            }
916        }
917
918        CHECK(mVideoTrack->getFormat()->findInt32(kKeyWidth, &mVideoWidth));
919        CHECK(mVideoTrack->getFormat()->findInt32(kKeyHeight, &mVideoHeight));
920
921        status_t err = mVideoSource->start();
922
923        if (err != OK) {
924            mVideoSource.clear();
925            return err;
926        }
927    }
928
929    return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
930}
931
932void AwesomePlayer::onVideoEvent() {
933    Mutex::Autolock autoLock(mLock);
934    if (!mVideoEventPending) {
935        // The event has been cancelled in reset_l() but had already
936        // been scheduled for execution at that time.
937        return;
938    }
939    mVideoEventPending = false;
940
941    if (mSeeking) {
942        if (mLastVideoBuffer) {
943            mLastVideoBuffer->release();
944            mLastVideoBuffer = NULL;
945        }
946
947        if (mVideoBuffer) {
948            mVideoBuffer->release();
949            mVideoBuffer = NULL;
950        }
951
952        if (mCachedSource != NULL && mAudioSource != NULL) {
953            // We're going to seek the video source first, followed by
954            // the audio source.
955            // In order to avoid jumps in the DataSource offset caused by
956            // the audio codec prefetching data from the old locations
957            // while the video codec is already reading data from the new
958            // locations, we'll "pause" the audio source, causing it to
959            // stop reading input data until a subsequent seek.
960
961            if (mAudioPlayer != NULL) {
962                mAudioPlayer->pause();
963            }
964            mAudioSource->pause();
965        }
966    }
967
968    if (!mVideoBuffer) {
969        MediaSource::ReadOptions options;
970        if (mSeeking) {
971            LOGV("seeking to %lld us (%.2f secs)", mSeekTimeUs, mSeekTimeUs / 1E6);
972
973            options.setSeekTo(
974                    mSeekTimeUs, MediaSource::ReadOptions::SEEK_CLOSEST_SYNC);
975        }
976        for (;;) {
977            status_t err = mVideoSource->read(&mVideoBuffer, &options);
978            options.clearSeekTo();
979
980            if (err != OK) {
981                CHECK_EQ(mVideoBuffer, NULL);
982
983                if (err == INFO_FORMAT_CHANGED) {
984                    LOGV("VideoSource signalled format change.");
985
986                    notifyVideoSize_l();
987
988                    if (mVideoRenderer != NULL) {
989                        mVideoRendererIsPreview = false;
990                        initRenderer_l();
991                    }
992                    continue;
993                }
994
995                mFlags |= VIDEO_AT_EOS;
996                postStreamDoneEvent_l(err);
997                return;
998            }
999
1000            if (mVideoBuffer->range_length() == 0) {
1001                // Some decoders, notably the PV AVC software decoder
1002                // return spurious empty buffers that we just want to ignore.
1003
1004                mVideoBuffer->release();
1005                mVideoBuffer = NULL;
1006                continue;
1007            }
1008
1009            break;
1010        }
1011    }
1012
1013    int64_t timeUs;
1014    CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
1015
1016    {
1017        Mutex::Autolock autoLock(mMiscStateLock);
1018        mVideoTimeUs = timeUs;
1019    }
1020
1021    if (mSeeking) {
1022        if (mAudioPlayer != NULL) {
1023            LOGV("seeking audio to %lld us (%.2f secs).", timeUs, timeUs / 1E6);
1024
1025            mAudioPlayer->seekTo(timeUs);
1026            mAudioPlayer->resume();
1027            mWatchForAudioSeekComplete = true;
1028            mWatchForAudioEOS = true;
1029        } else if (!mSeekNotificationSent) {
1030            // If we're playing video only, report seek complete now,
1031            // otherwise audio player will notify us later.
1032            notifyListener_l(MEDIA_SEEK_COMPLETE);
1033        }
1034
1035        mFlags |= FIRST_FRAME;
1036        mSeeking = false;
1037        mSeekNotificationSent = false;
1038    }
1039
1040    TimeSource *ts = (mFlags & AUDIO_AT_EOS) ? &mSystemTimeSource : mTimeSource;
1041
1042    if (mFlags & FIRST_FRAME) {
1043        mFlags &= ~FIRST_FRAME;
1044
1045        mTimeSourceDeltaUs = ts->getRealTimeUs() - timeUs;
1046    }
1047
1048    int64_t realTimeUs, mediaTimeUs;
1049    if (!(mFlags & AUDIO_AT_EOS) && mAudioPlayer != NULL
1050        && mAudioPlayer->getMediaTimeMapping(&realTimeUs, &mediaTimeUs)) {
1051        mTimeSourceDeltaUs = realTimeUs - mediaTimeUs;
1052    }
1053
1054    int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;
1055
1056    int64_t latenessUs = nowUs - timeUs;
1057
1058    if (mRTPSession != NULL) {
1059        // We'll completely ignore timestamps for gtalk videochat
1060        // and we'll play incoming video as fast as we get it.
1061        latenessUs = 0;
1062    }
1063
1064    if (latenessUs > 40000) {
1065        // We're more than 40ms late.
1066        LOGV("we're late by %lld us (%.2f secs)", latenessUs, latenessUs / 1E6);
1067
1068        mVideoBuffer->release();
1069        mVideoBuffer = NULL;
1070
1071        postVideoEvent_l();
1072        return;
1073    }
1074
1075    if (latenessUs < -10000) {
1076        // We're more than 10ms early.
1077
1078        postVideoEvent_l(10000);
1079        return;
1080    }
1081
1082    if (mVideoRendererIsPreview || mVideoRenderer == NULL) {
1083        mVideoRendererIsPreview = false;
1084
1085        initRenderer_l();
1086    }
1087
1088    if (mVideoRenderer != NULL) {
1089        mVideoRenderer->render(mVideoBuffer);
1090    }
1091
1092    if (mLastVideoBuffer) {
1093        mLastVideoBuffer->release();
1094        mLastVideoBuffer = NULL;
1095    }
1096    mLastVideoBuffer = mVideoBuffer;
1097    mVideoBuffer = NULL;
1098
1099    postVideoEvent_l();
1100}
1101
1102void AwesomePlayer::postVideoEvent_l(int64_t delayUs) {
1103    if (mVideoEventPending) {
1104        return;
1105    }
1106
1107    mVideoEventPending = true;
1108    mQueue.postEventWithDelay(mVideoEvent, delayUs < 0 ? 10000 : delayUs);
1109}
1110
1111void AwesomePlayer::postStreamDoneEvent_l(status_t status) {
1112    if (mStreamDoneEventPending) {
1113        return;
1114    }
1115    mStreamDoneEventPending = true;
1116
1117    mStreamDoneStatus = status;
1118    mQueue.postEvent(mStreamDoneEvent);
1119}
1120
1121void AwesomePlayer::postBufferingEvent_l() {
1122    if (mBufferingEventPending) {
1123        return;
1124    }
1125    mBufferingEventPending = true;
1126    mQueue.postEventWithDelay(mBufferingEvent, 1000000ll);
1127}
1128
1129void AwesomePlayer::postCheckAudioStatusEvent_l() {
1130    if (mAudioStatusEventPending) {
1131        return;
1132    }
1133    mAudioStatusEventPending = true;
1134    mQueue.postEventWithDelay(mCheckAudioStatusEvent, 100000ll);
1135}
1136
1137void AwesomePlayer::onCheckAudioStatus() {
1138    Mutex::Autolock autoLock(mLock);
1139    if (!mAudioStatusEventPending) {
1140        // Event was dispatched and while we were blocking on the mutex,
1141        // has already been cancelled.
1142        return;
1143    }
1144
1145    mAudioStatusEventPending = false;
1146
1147    if (mWatchForAudioSeekComplete && !mAudioPlayer->isSeeking()) {
1148        mWatchForAudioSeekComplete = false;
1149
1150        if (!mSeekNotificationSent) {
1151            notifyListener_l(MEDIA_SEEK_COMPLETE);
1152            mSeekNotificationSent = true;
1153        }
1154
1155        mSeeking = false;
1156    }
1157
1158    status_t finalStatus;
1159    if (mWatchForAudioEOS && mAudioPlayer->reachedEOS(&finalStatus)) {
1160        mWatchForAudioEOS = false;
1161        mFlags |= AUDIO_AT_EOS;
1162        mFlags |= FIRST_FRAME;
1163        postStreamDoneEvent_l(finalStatus);
1164    }
1165
1166    postCheckAudioStatusEvent_l();
1167}
1168
1169status_t AwesomePlayer::prepare() {
1170    Mutex::Autolock autoLock(mLock);
1171    return prepare_l();
1172}
1173
1174status_t AwesomePlayer::prepare_l() {
1175    if (mFlags & PREPARED) {
1176        return OK;
1177    }
1178
1179    if (mFlags & PREPARING) {
1180        return UNKNOWN_ERROR;
1181    }
1182
1183    mIsAsyncPrepare = false;
1184    status_t err = prepareAsync_l();
1185
1186    if (err != OK) {
1187        return err;
1188    }
1189
1190    while (mFlags & PREPARING) {
1191        mPreparedCondition.wait(mLock);
1192    }
1193
1194    return mPrepareResult;
1195}
1196
1197status_t AwesomePlayer::prepareAsync() {
1198    Mutex::Autolock autoLock(mLock);
1199
1200    if (mFlags & PREPARING) {
1201        return UNKNOWN_ERROR;  // async prepare already pending
1202    }
1203
1204    mIsAsyncPrepare = true;
1205    return prepareAsync_l();
1206}
1207
1208status_t AwesomePlayer::prepareAsync_l() {
1209    if (mFlags & PREPARING) {
1210        return UNKNOWN_ERROR;  // async prepare already pending
1211    }
1212
1213    if (!mQueueStarted) {
1214        mQueue.start();
1215        mQueueStarted = true;
1216    }
1217
1218    mFlags |= PREPARING;
1219    mAsyncPrepareEvent = new AwesomeEvent(
1220            this, &AwesomePlayer::onPrepareAsyncEvent);
1221
1222    mQueue.postEvent(mAsyncPrepareEvent);
1223
1224    return OK;
1225}
1226
1227status_t AwesomePlayer::finishSetDataSource_l() {
1228    sp<DataSource> dataSource;
1229
1230    if (!strncasecmp("http://", mUri.string(), 7)) {
1231        mConnectingDataSource = new NuHTTPDataSource;
1232
1233        mLock.unlock();
1234        status_t err = mConnectingDataSource->connect(mUri, &mUriHeaders);
1235        mLock.lock();
1236
1237        if (err != OK) {
1238            mConnectingDataSource.clear();
1239
1240            LOGI("mConnectingDataSource->connect() returned %d", err);
1241            return err;
1242        }
1243
1244#if 0
1245        mCachedSource = new NuCachedSource2(
1246                new ThrottledSource(
1247                    mConnectingDataSource, 50 * 1024 /* bytes/sec */));
1248#else
1249        mCachedSource = new NuCachedSource2(mConnectingDataSource);
1250#endif
1251        mConnectingDataSource.clear();
1252
1253        dataSource = mCachedSource;
1254    } else if (!strncasecmp(mUri.string(), "httplive://", 11)) {
1255        String8 uri("http://");
1256        uri.append(mUri.string() + 11);
1257
1258        dataSource = new LiveSource(uri.string());
1259
1260        mCachedSource = new NuCachedSource2(dataSource);
1261        dataSource = mCachedSource;
1262
1263        sp<MediaExtractor> extractor =
1264            MediaExtractor::Create(dataSource, MEDIA_MIMETYPE_CONTAINER_MPEG2TS);
1265
1266        return setDataSource_l(extractor);
1267    } else if (!strncmp("rtsp://gtalk/", mUri.string(), 13)) {
1268        if (mLooper == NULL) {
1269            mLooper = new ALooper;
1270            mLooper->setName("gtalk rtp");
1271            mLooper->start(
1272                    false /* runOnCallingThread */,
1273                    false /* canCallJava */,
1274                    PRIORITY_HIGHEST);
1275        }
1276
1277        const char *startOfCodecString = &mUri.string()[13];
1278        const char *startOfSlash1 = strchr(startOfCodecString, '/');
1279        if (startOfSlash1 == NULL) {
1280            return BAD_VALUE;
1281        }
1282        const char *startOfWidthString = &startOfSlash1[1];
1283        const char *startOfSlash2 = strchr(startOfWidthString, '/');
1284        if (startOfSlash2 == NULL) {
1285            return BAD_VALUE;
1286        }
1287        const char *startOfHeightString = &startOfSlash2[1];
1288
1289        String8 codecString(startOfCodecString, startOfSlash1 - startOfCodecString);
1290        String8 widthString(startOfWidthString, startOfSlash2 - startOfWidthString);
1291        String8 heightString(startOfHeightString);
1292
1293#if 0
1294        mRTPPusher = new UDPPusher("/data/misc/rtpout.bin", 5434);
1295        mLooper->registerHandler(mRTPPusher);
1296
1297        mRTCPPusher = new UDPPusher("/data/misc/rtcpout.bin", 5435);
1298        mLooper->registerHandler(mRTCPPusher);
1299#endif
1300
1301        mRTPSession = new ARTPSession;
1302        mLooper->registerHandler(mRTPSession);
1303
1304#if 0
1305        // My AMR SDP
1306        static const char *raw =
1307            "v=0\r\n"
1308            "o=- 64 233572944 IN IP4 127.0.0.0\r\n"
1309            "s=QuickTime\r\n"
1310            "t=0 0\r\n"
1311            "a=range:npt=0-315\r\n"
1312            "a=isma-compliance:2,2.0,2\r\n"
1313            "m=audio 5434 RTP/AVP 97\r\n"
1314            "c=IN IP4 127.0.0.1\r\n"
1315            "b=AS:30\r\n"
1316            "a=rtpmap:97 AMR/8000/1\r\n"
1317            "a=fmtp:97 octet-align\r\n";
1318#elif 1
1319        String8 sdp;
1320        sdp.appendFormat(
1321            "v=0\r\n"
1322            "o=- 64 233572944 IN IP4 127.0.0.0\r\n"
1323            "s=QuickTime\r\n"
1324            "t=0 0\r\n"
1325            "a=range:npt=0-315\r\n"
1326            "a=isma-compliance:2,2.0,2\r\n"
1327            "m=video 5434 RTP/AVP 97\r\n"
1328            "c=IN IP4 127.0.0.1\r\n"
1329            "b=AS:30\r\n"
1330            "a=rtpmap:97 %s/90000\r\n"
1331            "a=cliprect:0,0,%s,%s\r\n"
1332            "a=framesize:97 %s-%s\r\n",
1333
1334            codecString.string(),
1335            heightString.string(), widthString.string(),
1336            widthString.string(), heightString.string()
1337            );
1338        const char *raw = sdp.string();
1339
1340#endif
1341
1342        sp<ASessionDescription> desc = new ASessionDescription;
1343        CHECK(desc->setTo(raw, strlen(raw)));
1344
1345        CHECK_EQ(mRTPSession->setup(desc), (status_t)OK);
1346
1347        if (mRTPPusher != NULL) {
1348            mRTPPusher->start();
1349        }
1350
1351        if (mRTCPPusher != NULL) {
1352            mRTCPPusher->start();
1353        }
1354
1355        CHECK_EQ(mRTPSession->countTracks(), 1u);
1356        sp<MediaSource> source = mRTPSession->trackAt(0);
1357
1358#if 0
1359        bool eos;
1360        while (((APacketSource *)source.get())
1361                ->getQueuedDuration(&eos) < 5000000ll && !eos) {
1362            usleep(100000ll);
1363        }
1364#endif
1365
1366        const char *mime;
1367        CHECK(source->getFormat()->findCString(kKeyMIMEType, &mime));
1368
1369        if (!strncasecmp("video/", mime, 6)) {
1370            setVideoSource(source);
1371        } else {
1372            CHECK(!strncasecmp("audio/", mime, 6));
1373            setAudioSource(source);
1374        }
1375
1376        mExtractorFlags = MediaExtractor::CAN_PAUSE;
1377
1378        return OK;
1379    } else if (!strncasecmp("rtsp://", mUri.string(), 7)) {
1380        if (mLooper == NULL) {
1381            mLooper = new ALooper;
1382            mLooper->setName("rtsp");
1383            mLooper->start();
1384        }
1385        mRTSPController = new ARTSPController(mLooper);
1386        status_t err = mRTSPController->connect(mUri.string());
1387
1388        LOGI("ARTSPController::connect returned %d", err);
1389
1390        if (err != OK) {
1391            mRTSPController.clear();
1392            return err;
1393        }
1394
1395        sp<MediaExtractor> extractor = mRTSPController.get();
1396        return setDataSource_l(extractor);
1397    } else {
1398        dataSource = DataSource::CreateFromURI(mUri.string(), &mUriHeaders);
1399    }
1400
1401    if (dataSource == NULL) {
1402        return UNKNOWN_ERROR;
1403    }
1404
1405    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
1406
1407    if (extractor == NULL) {
1408        return UNKNOWN_ERROR;
1409    }
1410
1411    return setDataSource_l(extractor);
1412}
1413
1414void AwesomePlayer::abortPrepare(status_t err) {
1415    CHECK(err != OK);
1416
1417    if (mIsAsyncPrepare) {
1418        notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
1419    }
1420
1421    mPrepareResult = err;
1422    mFlags &= ~(PREPARING|PREPARE_CANCELLED);
1423    mAsyncPrepareEvent = NULL;
1424    mPreparedCondition.broadcast();
1425}
1426
1427// static
1428bool AwesomePlayer::ContinuePreparation(void *cookie) {
1429    AwesomePlayer *me = static_cast<AwesomePlayer *>(cookie);
1430
1431    return (me->mFlags & PREPARE_CANCELLED) == 0;
1432}
1433
1434void AwesomePlayer::onPrepareAsyncEvent() {
1435    {
1436        Mutex::Autolock autoLock(mLock);
1437
1438        if (mFlags & PREPARE_CANCELLED) {
1439            LOGI("prepare was cancelled before doing anything");
1440            abortPrepare(UNKNOWN_ERROR);
1441            return;
1442        }
1443
1444        if (mUri.size() > 0) {
1445            status_t err = finishSetDataSource_l();
1446
1447            if (err != OK) {
1448                abortPrepare(err);
1449                return;
1450            }
1451        }
1452
1453        if (mVideoTrack != NULL && mVideoSource == NULL) {
1454            status_t err = initVideoDecoder();
1455
1456            if (err != OK) {
1457                abortPrepare(err);
1458                return;
1459            }
1460        }
1461
1462        if (mAudioTrack != NULL && mAudioSource == NULL) {
1463            status_t err = initAudioDecoder();
1464
1465            if (err != OK) {
1466                abortPrepare(err);
1467                return;
1468            }
1469        }
1470    }
1471
1472    Mutex::Autolock autoLock(mLock);
1473
1474    if (mIsAsyncPrepare) {
1475        if (mVideoSource == NULL) {
1476            notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
1477        } else {
1478            notifyVideoSize_l();
1479        }
1480
1481        notifyListener_l(MEDIA_PREPARED);
1482    }
1483
1484    mPrepareResult = OK;
1485    mFlags &= ~(PREPARING|PREPARE_CANCELLED);
1486    mFlags |= PREPARED;
1487    mAsyncPrepareEvent = NULL;
1488    mPreparedCondition.broadcast();
1489
1490    postBufferingEvent_l();
1491}
1492
1493status_t AwesomePlayer::suspend() {
1494    LOGV("suspend");
1495    Mutex::Autolock autoLock(mLock);
1496
1497    if (mSuspensionState != NULL) {
1498        if (mLastVideoBuffer == NULL) {
1499            //go into here if video is suspended again
1500            //after resuming without being played between
1501            //them
1502            SuspensionState *state = mSuspensionState;
1503            mSuspensionState = NULL;
1504            reset_l();
1505            mSuspensionState = state;
1506            return OK;
1507        }
1508
1509        delete mSuspensionState;
1510        mSuspensionState = NULL;
1511    }
1512
1513    if (mFlags & PREPARING) {
1514        mFlags |= PREPARE_CANCELLED;
1515        if (mConnectingDataSource != NULL) {
1516            LOGI("interrupting the connection process");
1517            mConnectingDataSource->disconnect();
1518        }
1519    }
1520
1521    while (mFlags & PREPARING) {
1522        mPreparedCondition.wait(mLock);
1523    }
1524
1525    SuspensionState *state = new SuspensionState;
1526    state->mUri = mUri;
1527    state->mUriHeaders = mUriHeaders;
1528    state->mFileSource = mFileSource;
1529
1530    state->mFlags = mFlags & (PLAYING | LOOPING | AT_EOS);
1531    getPosition(&state->mPositionUs);
1532
1533    if (mLastVideoBuffer) {
1534        size_t size = mLastVideoBuffer->range_length();
1535        if (size) {
1536            state->mLastVideoFrameSize = size;
1537            state->mLastVideoFrame = malloc(size);
1538            memcpy(state->mLastVideoFrame,
1539                   (const uint8_t *)mLastVideoBuffer->data()
1540                        + mLastVideoBuffer->range_offset(),
1541                   size);
1542
1543            state->mVideoWidth = mVideoWidth;
1544            state->mVideoHeight = mVideoHeight;
1545
1546            sp<MetaData> meta = mVideoSource->getFormat();
1547            CHECK(meta->findInt32(kKeyColorFormat, &state->mColorFormat));
1548            CHECK(meta->findInt32(kKeyWidth, &state->mDecodedWidth));
1549            CHECK(meta->findInt32(kKeyHeight, &state->mDecodedHeight));
1550        }
1551    }
1552
1553    reset_l();
1554
1555    mSuspensionState = state;
1556
1557    return OK;
1558}
1559
1560status_t AwesomePlayer::resume() {
1561    LOGV("resume");
1562    Mutex::Autolock autoLock(mLock);
1563
1564    if (mSuspensionState == NULL) {
1565        return INVALID_OPERATION;
1566    }
1567
1568    SuspensionState *state = mSuspensionState;
1569    mSuspensionState = NULL;
1570
1571    status_t err;
1572    if (state->mFileSource != NULL) {
1573        err = setDataSource_l(state->mFileSource);
1574
1575        if (err == OK) {
1576            mFileSource = state->mFileSource;
1577        }
1578    } else {
1579        err = setDataSource_l(state->mUri, &state->mUriHeaders);
1580    }
1581
1582    if (err != OK) {
1583        delete state;
1584        state = NULL;
1585
1586        return err;
1587    }
1588
1589    seekTo_l(state->mPositionUs);
1590
1591    mFlags = state->mFlags & (LOOPING | AT_EOS);
1592
1593    if (state->mLastVideoFrame && (mSurface != NULL || mISurface != NULL)) {
1594        mVideoRenderer =
1595            new AwesomeLocalRenderer(
1596                    true,  // previewOnly
1597                    "",
1598                    (OMX_COLOR_FORMATTYPE)state->mColorFormat,
1599                    mISurface,
1600                    mSurface,
1601                    state->mVideoWidth,
1602                    state->mVideoHeight,
1603                    state->mDecodedWidth,
1604                    state->mDecodedHeight);
1605
1606        mVideoRendererIsPreview = true;
1607
1608        ((AwesomeLocalRenderer *)mVideoRenderer.get())->render(
1609                state->mLastVideoFrame, state->mLastVideoFrameSize);
1610    }
1611
1612    if (state->mFlags & PLAYING) {
1613        play_l();
1614    }
1615
1616    mSuspensionState = state;
1617    state = NULL;
1618
1619    return OK;
1620}
1621
1622uint32_t AwesomePlayer::flags() const {
1623    return mExtractorFlags;
1624}
1625
1626}  // namespace android
1627
1628