AwesomePlayer.cpp revision 100a4408968b90e314526185d572c72ea4cc784a 
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/SoftwareRenderer.h"
26#include "include/NuCachedSource2.h"
27#include "include/ThrottledSource.h"
28#include "include/MPEG2TSExtractor.h"
29
30#include <binder/IPCThreadState.h>
31#include <media/stagefright/foundation/hexdump.h>
32#include <media/stagefright/foundation/ADebug.h>
33#include <media/stagefright/AudioPlayer.h>
34#include <media/stagefright/DataSource.h>
35#include <media/stagefright/FileSource.h>
36#include <media/stagefright/MediaBuffer.h>
37#include <media/stagefright/MediaDefs.h>
38#include <media/stagefright/MediaExtractor.h>
39#include <media/stagefright/MediaSource.h>
40#include <media/stagefright/MetaData.h>
41#include <media/stagefright/OMXCodec.h>
42
43#include <surfaceflinger/Surface.h>
44
45#include <media/stagefright/foundation/ALooper.h>
46#include <media/stagefright/foundation/AMessage.h>
47#include "include/LiveSession.h"
48
49#define USE_SURFACE_ALLOC 1
50#define FRAME_DROP_FREQ 7
51
52namespace android {
53
54static int64_t kLowWaterMarkUs = 2000000ll;  // 2secs
55static int64_t kHighWaterMarkUs = 10000000ll;  // 10secs
56static int64_t kHighWaterMarkRTSPUs = 4000000ll;  // 4secs
57static const size_t kLowWaterMarkBytes = 40000;
58static const size_t kHighWaterMarkBytes = 200000;
59
60struct AwesomeEvent : public TimedEventQueue::Event {
61    AwesomeEvent(
62            AwesomePlayer *player,
63            void (AwesomePlayer::*method)())
64        : mPlayer(player),
65          mMethod(method) {
66    }
67
68protected:
69    virtual ~AwesomeEvent() {}
70
71    virtual void fire(TimedEventQueue *queue, int64_t /* now_us */) {
72        (mPlayer->*mMethod)();
73    }
74
75private:
76    AwesomePlayer *mPlayer;
77    void (AwesomePlayer::*mMethod)();
78
79    AwesomeEvent(const AwesomeEvent &);
80    AwesomeEvent &operator=(const AwesomeEvent &);
81};
82
83struct AwesomeLocalRenderer : public AwesomeRenderer {
84    AwesomeLocalRenderer(
85            const sp<Surface> &surface, const sp<MetaData> &meta)
86        : mTarget(new SoftwareRenderer(surface, meta)) {
87    }
88
89    virtual void render(MediaBuffer *buffer) {
90        render((const uint8_t *)buffer->data() + buffer->range_offset(),
91               buffer->range_length());
92    }
93
94    void render(const void *data, size_t size) {
95        mTarget->render(data, size, NULL);
96    }
97
98protected:
99    virtual ~AwesomeLocalRenderer() {
100        delete mTarget;
101        mTarget = NULL;
102    }
103
104private:
105    SoftwareRenderer *mTarget;
106
107    AwesomeLocalRenderer(const AwesomeLocalRenderer &);
108    AwesomeLocalRenderer &operator=(const AwesomeLocalRenderer &);;
109};
110
111struct AwesomeNativeWindowRenderer : public AwesomeRenderer {
112    AwesomeNativeWindowRenderer(
113            const sp<ANativeWindow> &nativeWindow,
114            int32_t rotationDegrees)
115        : mNativeWindow(nativeWindow) {
116        applyRotation(rotationDegrees);
117    }
118
119    virtual void render(MediaBuffer *buffer) {
120        status_t err = mNativeWindow->queueBuffer(
121                mNativeWindow.get(), buffer->graphicBuffer().get());
122        if (err != 0) {
123            LOGE("queueBuffer failed with error %s (%d)", strerror(-err),
124                    -err);
125            return;
126        }
127
128        sp<MetaData> metaData = buffer->meta_data();
129        metaData->setInt32(kKeyRendered, 1);
130    }
131
132protected:
133    virtual ~AwesomeNativeWindowRenderer() {}
134
135private:
136    sp<ANativeWindow> mNativeWindow;
137
138    void applyRotation(int32_t rotationDegrees) {
139        uint32_t transform;
140        switch (rotationDegrees) {
141            case 0: transform = 0; break;
142            case 90: transform = HAL_TRANSFORM_ROT_90; break;
143            case 180: transform = HAL_TRANSFORM_ROT_180; break;
144            case 270: transform = HAL_TRANSFORM_ROT_270; break;
145            default: transform = 0; break;
146        }
147
148        if (transform) {
149            CHECK_EQ(0, native_window_set_buffers_transform(
150                        mNativeWindow.get(), transform));
151        }
152    }
153
154    AwesomeNativeWindowRenderer(const AwesomeNativeWindowRenderer &);
155    AwesomeNativeWindowRenderer &operator=(
156            const AwesomeNativeWindowRenderer &);
157};
158
159////////////////////////////////////////////////////////////////////////////////
160
161AwesomePlayer::AwesomePlayer()
162    : mQueueStarted(false),
163      mTimeSource(NULL),
164      mVideoRendererIsPreview(false),
165      mAudioPlayer(NULL),
166      mDisplayWidth(0),
167      mDisplayHeight(0),
168      mFlags(0),
169      mExtractorFlags(0),
170      mVideoBuffer(NULL),
171      mDecryptHandle(NULL) {
172    CHECK_EQ(mClient.connect(), (status_t)OK);
173
174    DataSource::RegisterDefaultSniffers();
175
176    mVideoEvent = new AwesomeEvent(this, &AwesomePlayer::onVideoEvent);
177    mVideoEventPending = false;
178    mStreamDoneEvent = new AwesomeEvent(this, &AwesomePlayer::onStreamDone);
179    mStreamDoneEventPending = false;
180    mBufferingEvent = new AwesomeEvent(this, &AwesomePlayer::onBufferingUpdate);
181    mBufferingEventPending = false;
182    mVideoLagEvent = new AwesomeEvent(this, &AwesomePlayer::onVideoLagUpdate);
183    mVideoEventPending = false;
184
185    mCheckAudioStatusEvent = new AwesomeEvent(
186            this, &AwesomePlayer::onCheckAudioStatus);
187
188    mAudioStatusEventPending = false;
189
190    reset();
191}
192
193AwesomePlayer::~AwesomePlayer() {
194    if (mQueueStarted) {
195        mQueue.stop();
196    }
197
198    reset();
199
200    mClient.disconnect();
201}
202
203void AwesomePlayer::cancelPlayerEvents(bool keepBufferingGoing) {
204    mQueue.cancelEvent(mVideoEvent->eventID());
205    mVideoEventPending = false;
206    mQueue.cancelEvent(mStreamDoneEvent->eventID());
207    mStreamDoneEventPending = false;
208    mQueue.cancelEvent(mCheckAudioStatusEvent->eventID());
209    mAudioStatusEventPending = false;
210    mQueue.cancelEvent(mVideoLagEvent->eventID());
211    mVideoLagEventPending = false;
212
213    if (!keepBufferingGoing) {
214        mQueue.cancelEvent(mBufferingEvent->eventID());
215        mBufferingEventPending = false;
216    }
217}
218
219void AwesomePlayer::setListener(const wp<MediaPlayerBase> &listener) {
220    Mutex::Autolock autoLock(mLock);
221    mListener = listener;
222}
223
224status_t AwesomePlayer::setDataSource(
225        const char *uri, const KeyedVector<String8, String8> *headers) {
226    Mutex::Autolock autoLock(mLock);
227    return setDataSource_l(uri, headers);
228}
229
230status_t AwesomePlayer::setDataSource_l(
231        const char *uri, const KeyedVector<String8, String8> *headers) {
232    reset_l();
233
234    mUri = uri;
235
236    if (!strncmp("http://", uri, 7)) {
237        // Hack to support http live.
238
239        size_t len = strlen(uri);
240        if (!strcasecmp(&uri[len - 5], ".m3u8")
241                || strstr(&uri[7], "m3u8") != NULL) {
242            mUri = "httplive://";
243            mUri.append(&uri[7]);
244        }
245    }
246
247    if (headers) {
248        mUriHeaders = *headers;
249    }
250
251    // The actual work will be done during preparation in the call to
252    // ::finishSetDataSource_l to avoid blocking the calling thread in
253    // setDataSource for any significant time.
254
255    return OK;
256}
257
258status_t AwesomePlayer::setDataSource(
259        int fd, int64_t offset, int64_t length) {
260    Mutex::Autolock autoLock(mLock);
261
262    reset_l();
263
264    sp<DataSource> dataSource = new FileSource(fd, offset, length);
265
266    status_t err = dataSource->initCheck();
267
268    if (err != OK) {
269        return err;
270    }
271
272    mFileSource = dataSource;
273
274    return setDataSource_l(dataSource);
275}
276
277status_t AwesomePlayer::setDataSource(const sp<IStreamSource> &source) {
278    return INVALID_OPERATION;
279}
280
281status_t AwesomePlayer::setDataSource_l(
282        const sp<DataSource> &dataSource) {
283    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
284
285    if (extractor == NULL) {
286        return UNKNOWN_ERROR;
287    }
288
289    dataSource->getDrmInfo(&mDecryptHandle, &mDrmManagerClient);
290    if (mDecryptHandle != NULL) {
291        CHECK(mDrmManagerClient);
292        if (RightsStatus::RIGHTS_VALID != mDecryptHandle->status) {
293            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_NO_LICENSE);
294        }
295    }
296
297    return setDataSource_l(extractor);
298}
299
300status_t AwesomePlayer::setDataSource_l(const sp<MediaExtractor> &extractor) {
301    // Attempt to approximate overall stream bitrate by summing all
302    // tracks' individual bitrates, if not all of them advertise bitrate,
303    // we have to fail.
304
305    int64_t totalBitRate = 0;
306
307    for (size_t i = 0; i < extractor->countTracks(); ++i) {
308        sp<MetaData> meta = extractor->getTrackMetaData(i);
309
310        int32_t bitrate;
311        if (!meta->findInt32(kKeyBitRate, &bitrate)) {
312            totalBitRate = -1;
313            break;
314        }
315
316        totalBitRate += bitrate;
317    }
318
319    mBitrate = totalBitRate;
320
321    LOGV("mBitrate = %lld bits/sec", mBitrate);
322
323    bool haveAudio = false;
324    bool haveVideo = false;
325    for (size_t i = 0; i < extractor->countTracks(); ++i) {
326        sp<MetaData> meta = extractor->getTrackMetaData(i);
327
328        const char *mime;
329        CHECK(meta->findCString(kKeyMIMEType, &mime));
330
331        if (!haveVideo && !strncasecmp(mime, "video/", 6)) {
332            setVideoSource(extractor->getTrack(i));
333            haveVideo = true;
334
335            // Set the presentation/display size
336            int32_t displayWidth, displayHeight;
337            bool success = meta->findInt32(kKeyDisplayWidth, &displayWidth);
338            if (success) {
339                success = meta->findInt32(kKeyDisplayHeight, &displayHeight);
340            }
341            if (success) {
342                mDisplayWidth = displayWidth;
343                mDisplayHeight = displayHeight;
344            }
345
346        } else if (!haveAudio && !strncasecmp(mime, "audio/", 6)) {
347            setAudioSource(extractor->getTrack(i));
348            haveAudio = true;
349
350            if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
351                // Only do this for vorbis audio, none of the other audio
352                // formats even support this ringtone specific hack and
353                // retrieving the metadata on some extractors may turn out
354                // to be very expensive.
355                sp<MetaData> fileMeta = extractor->getMetaData();
356                int32_t loop;
357                if (fileMeta != NULL
358                        && fileMeta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
359                    mFlags |= AUTO_LOOPING;
360                }
361            }
362        }
363
364        if (haveAudio && haveVideo) {
365            break;
366        }
367    }
368
369    if (!haveAudio && !haveVideo) {
370        return UNKNOWN_ERROR;
371    }
372
373    mExtractorFlags = extractor->flags();
374
375    return OK;
376}
377
378void AwesomePlayer::reset() {
379    LOGI("reset");
380
381    Mutex::Autolock autoLock(mLock);
382    reset_l();
383}
384
385void AwesomePlayer::reset_l() {
386    LOGI("reset_l");
387    mDisplayWidth = 0;
388    mDisplayHeight = 0;
389
390    if (mDecryptHandle != NULL) {
391            mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
392                    Playback::STOP, 0);
393            mDecryptHandle = NULL;
394            mDrmManagerClient = NULL;
395    }
396
397    if (mFlags & PREPARING) {
398        mFlags |= PREPARE_CANCELLED;
399        if (mConnectingDataSource != NULL) {
400            LOGI("interrupting the connection process");
401            mConnectingDataSource->disconnect();
402        }
403
404        if (mFlags & PREPARING_CONNECTED) {
405            // We are basically done preparing, we're just buffering
406            // enough data to start playback, we can safely interrupt that.
407            finishAsyncPrepare_l();
408        }
409    }
410
411    if (mFlags & PREPARING) {
412        LOGI("waiting until preparation is completes.");
413    }
414
415    while (mFlags & PREPARING) {
416        mPreparedCondition.wait(mLock);
417    }
418
419    cancelPlayerEvents();
420
421    mCachedSource.clear();
422    mAudioTrack.clear();
423    mVideoTrack.clear();
424
425    // Shutdown audio first, so that the respone to the reset request
426    // appears to happen instantaneously as far as the user is concerned
427    // If we did this later, audio would continue playing while we
428    // shutdown the video-related resources and the player appear to
429    // not be as responsive to a reset request.
430    if (mAudioPlayer == NULL && mAudioSource != NULL) {
431        // If we had an audio player, it would have effectively
432        // taken possession of the audio source and stopped it when
433        // _it_ is stopped. Otherwise this is still our responsibility.
434        mAudioSource->stop();
435    }
436    mAudioSource.clear();
437
438    LOGI("audio source cleared");
439
440    mTimeSource = NULL;
441
442    delete mAudioPlayer;
443    mAudioPlayer = NULL;
444
445    mVideoRenderer.clear();
446
447    if (mVideoBuffer) {
448        mVideoBuffer->release();
449        mVideoBuffer = NULL;
450    }
451
452    if (mRTSPController != NULL) {
453        mRTSPController->disconnect();
454        mRTSPController.clear();
455    }
456
457    if (mLiveSession != NULL) {
458        mLiveSession->disconnect();
459        mLiveSession.clear();
460    }
461
462    if (mVideoSource != NULL) {
463        mVideoSource->stop();
464
465        // The following hack is necessary to ensure that the OMX
466        // component is completely released by the time we may try
467        // to instantiate it again.
468        wp<MediaSource> tmp = mVideoSource;
469        mVideoSource.clear();
470        while (tmp.promote() != NULL) {
471            usleep(1000);
472        }
473        IPCThreadState::self()->flushCommands();
474    }
475
476    LOGI("video source cleared");
477
478    mDurationUs = -1;
479    mFlags = 0;
480    mExtractorFlags = 0;
481    mTimeSourceDeltaUs = 0;
482    mVideoTimeUs = 0;
483
484    mSeeking = false;
485    mSeekNotificationSent = false;
486    mSeekTimeUs = 0;
487
488    mUri.setTo("");
489    mUriHeaders.clear();
490
491    mFileSource.clear();
492
493    mBitrate = -1;
494
495    LOGI("reset_l completed");
496}
497
498void AwesomePlayer::notifyListener_l(int msg, int ext1, int ext2) {
499    if (mListener != NULL) {
500        sp<MediaPlayerBase> listener = mListener.promote();
501
502        if (listener != NULL) {
503            listener->sendEvent(msg, ext1, ext2);
504        }
505    }
506}
507
508bool AwesomePlayer::getBitrate(int64_t *bitrate) {
509    off64_t size;
510    if (mDurationUs >= 0 && mCachedSource != NULL
511            && mCachedSource->getSize(&size) == OK) {
512        *bitrate = size * 8000000ll / mDurationUs;  // in bits/sec
513        return true;
514    }
515
516    if (mBitrate >= 0) {
517        *bitrate = mBitrate;
518        return true;
519    }
520
521    *bitrate = 0;
522
523    return false;
524}
525
526// Returns true iff cached duration is available/applicable.
527bool AwesomePlayer::getCachedDuration_l(int64_t *durationUs, bool *eos) {
528    int64_t bitrate;
529
530    if (mRTSPController != NULL) {
531        *durationUs = mRTSPController->getQueueDurationUs(eos);
532        return true;
533    } else if (mCachedSource != NULL && getBitrate(&bitrate)) {
534        status_t finalStatus;
535        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&finalStatus);
536        *durationUs = cachedDataRemaining * 8000000ll / bitrate;
537        *eos = (finalStatus != OK);
538        return true;
539    }
540
541    return false;
542}
543
544void AwesomePlayer::ensureCacheIsFetching_l() {
545    if (mCachedSource != NULL) {
546        mCachedSource->resumeFetchingIfNecessary();
547    }
548}
549
550void AwesomePlayer::onVideoLagUpdate() {
551    Mutex::Autolock autoLock(mLock);
552    if (!mVideoLagEventPending) {
553        return;
554    }
555    mVideoLagEventPending = false;
556
557    int64_t audioTimeUs = mAudioPlayer->getMediaTimeUs();
558    int64_t videoLateByUs = audioTimeUs - mVideoTimeUs;
559
560    if (videoLateByUs > 300000ll) {
561        LOGV("video late by %lld ms.", videoLateByUs / 1000ll);
562
563        notifyListener_l(
564                MEDIA_INFO,
565                MEDIA_INFO_VIDEO_TRACK_LAGGING,
566                videoLateByUs / 1000ll);
567    }
568
569    postVideoLagEvent_l();
570}
571
572void AwesomePlayer::onBufferingUpdate() {
573    Mutex::Autolock autoLock(mLock);
574    if (!mBufferingEventPending) {
575        return;
576    }
577    mBufferingEventPending = false;
578
579    if (mCachedSource != NULL) {
580        status_t finalStatus;
581        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&finalStatus);
582        bool eos = (finalStatus != OK);
583
584        if (eos) {
585            if (finalStatus == ERROR_END_OF_STREAM) {
586                notifyListener_l(MEDIA_BUFFERING_UPDATE, 100);
587            }
588            if (mFlags & PREPARING) {
589                LOGV("cache has reached EOS, prepare is done.");
590                finishAsyncPrepare_l();
591            }
592        } else {
593            int64_t bitrate;
594            if (getBitrate(&bitrate)) {
595                size_t cachedSize = mCachedSource->cachedSize();
596                int64_t cachedDurationUs = cachedSize * 8000000ll / bitrate;
597
598                int percentage = 100.0 * (double)cachedDurationUs / mDurationUs;
599                if (percentage > 100) {
600                    percentage = 100;
601                }
602
603                notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage);
604            } else {
605                // We don't know the bitrate of the stream, use absolute size
606                // limits to maintain the cache.
607
608                if ((mFlags & PLAYING) && !eos
609                        && (cachedDataRemaining < kLowWaterMarkBytes)) {
610                    LOGI("cache is running low (< %d) , pausing.",
611                         kLowWaterMarkBytes);
612                    mFlags |= CACHE_UNDERRUN;
613                    pause_l();
614                    ensureCacheIsFetching_l();
615                    notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
616                } else if (eos || cachedDataRemaining > kHighWaterMarkBytes) {
617                    if (mFlags & CACHE_UNDERRUN) {
618                        LOGI("cache has filled up (> %d), resuming.",
619                             kHighWaterMarkBytes);
620                        mFlags &= ~CACHE_UNDERRUN;
621                        play_l();
622                        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
623                    } else if (mFlags & PREPARING) {
624                        LOGV("cache has filled up (> %d), prepare is done",
625                             kHighWaterMarkBytes);
626                        finishAsyncPrepare_l();
627                    }
628                }
629            }
630        }
631    }
632
633    int64_t cachedDurationUs;
634    bool eos;
635    if (getCachedDuration_l(&cachedDurationUs, &eos)) {
636        LOGV("cachedDurationUs = %.2f secs, eos=%d",
637             cachedDurationUs / 1E6, eos);
638
639        int64_t highWaterMarkUs =
640            (mRTSPController != NULL) ? kHighWaterMarkRTSPUs : kHighWaterMarkUs;
641
642        if ((mFlags & PLAYING) && !eos
643                && (cachedDurationUs < kLowWaterMarkUs)) {
644            LOGI("cache is running low (%.2f secs) , pausing.",
645                 cachedDurationUs / 1E6);
646            mFlags |= CACHE_UNDERRUN;
647            pause_l();
648            ensureCacheIsFetching_l();
649            notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
650        } else if (eos || cachedDurationUs > highWaterMarkUs) {
651            if (mFlags & CACHE_UNDERRUN) {
652                LOGI("cache has filled up (%.2f secs), resuming.",
653                     cachedDurationUs / 1E6);
654                mFlags &= ~CACHE_UNDERRUN;
655                play_l();
656                notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
657            } else if (mFlags & PREPARING) {
658                LOGV("cache has filled up (%.2f secs), prepare is done",
659                     cachedDurationUs / 1E6);
660                finishAsyncPrepare_l();
661            }
662        }
663    }
664
665    postBufferingEvent_l();
666}
667
668void AwesomePlayer::partial_reset_l() {
669    // Only reset the video renderer and shut down the video decoder.
670    // Then instantiate a new video decoder and resume video playback.
671
672    mVideoRenderer.clear();
673
674    if (mVideoBuffer) {
675        mVideoBuffer->release();
676        mVideoBuffer = NULL;
677    }
678
679    {
680        mVideoSource->stop();
681
682        // The following hack is necessary to ensure that the OMX
683        // component is completely released by the time we may try
684        // to instantiate it again.
685        wp<MediaSource> tmp = mVideoSource;
686        mVideoSource.clear();
687        while (tmp.promote() != NULL) {
688            usleep(1000);
689        }
690        IPCThreadState::self()->flushCommands();
691    }
692
693    CHECK_EQ((status_t)OK,
694             initVideoDecoder(OMXCodec::kIgnoreCodecSpecificData));
695}
696
697void AwesomePlayer::onStreamDone() {
698    // Posted whenever any stream finishes playing.
699
700    Mutex::Autolock autoLock(mLock);
701    if (!mStreamDoneEventPending) {
702        return;
703    }
704    mStreamDoneEventPending = false;
705
706    if (mStreamDoneStatus == INFO_DISCONTINUITY) {
707        // This special status is returned because an http live stream's
708        // video stream switched to a different bandwidth at this point
709        // and future data may have been encoded using different parameters.
710        // This requires us to shutdown the video decoder and reinstantiate
711        // a fresh one.
712
713        LOGV("INFO_DISCONTINUITY");
714
715        CHECK(mVideoSource != NULL);
716
717        partial_reset_l();
718        postVideoEvent_l();
719        return;
720    } else if (mStreamDoneStatus != ERROR_END_OF_STREAM) {
721        LOGV("MEDIA_ERROR %d", mStreamDoneStatus);
722
723        notifyListener_l(
724                MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, mStreamDoneStatus);
725
726        pause_l(true /* at eos */);
727
728        mFlags |= AT_EOS;
729        return;
730    }
731
732    const bool allDone =
733        (mVideoSource == NULL || (mFlags & VIDEO_AT_EOS))
734            && (mAudioSource == NULL || (mFlags & AUDIO_AT_EOS));
735
736    if (!allDone) {
737        return;
738    }
739
740    if (mFlags & (LOOPING | AUTO_LOOPING)) {
741        seekTo_l(0);
742
743        if (mVideoSource != NULL) {
744            postVideoEvent_l();
745        }
746    } else {
747        LOGV("MEDIA_PLAYBACK_COMPLETE");
748        notifyListener_l(MEDIA_PLAYBACK_COMPLETE);
749
750        pause_l(true /* at eos */);
751
752        mFlags |= AT_EOS;
753    }
754}
755
756status_t AwesomePlayer::play() {
757    Mutex::Autolock autoLock(mLock);
758
759    mFlags &= ~CACHE_UNDERRUN;
760
761    return play_l();
762}
763
764status_t AwesomePlayer::play_l() {
765    mFlags &= ~SEEK_PREVIEW;
766
767    if (mFlags & PLAYING) {
768        return OK;
769    }
770
771    if (!(mFlags & PREPARED)) {
772        status_t err = prepare_l();
773
774        if (err != OK) {
775            return err;
776        }
777    }
778
779    mFlags |= PLAYING;
780    mFlags |= FIRST_FRAME;
781
782    bool deferredAudioSeek = false;
783
784    if (mDecryptHandle != NULL) {
785        int64_t position;
786        getPosition(&position);
787        mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
788                Playback::START, position / 1000);
789    }
790
791    if (mAudioSource != NULL) {
792        if (mAudioPlayer == NULL) {
793            if (mAudioSink != NULL) {
794                mAudioPlayer = new AudioPlayer(mAudioSink, this);
795                mAudioPlayer->setSource(mAudioSource);
796
797                // We've already started the MediaSource in order to enable
798                // the prefetcher to read its data.
799                status_t err = mAudioPlayer->start(
800                        true /* sourceAlreadyStarted */);
801
802                if (err != OK) {
803                    delete mAudioPlayer;
804                    mAudioPlayer = NULL;
805
806                    mFlags &= ~(PLAYING | FIRST_FRAME);
807
808                    if (mDecryptHandle != NULL) {
809                        mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
810                                 Playback::STOP, 0);
811                    }
812
813                    return err;
814                }
815
816                mTimeSource = mAudioPlayer;
817
818                deferredAudioSeek = true;
819
820                mWatchForAudioSeekComplete = false;
821                mWatchForAudioEOS = true;
822            }
823        } else {
824            mAudioPlayer->resume();
825        }
826    }
827
828    if (mTimeSource == NULL && mAudioPlayer == NULL) {
829        mTimeSource = &mSystemTimeSource;
830    }
831
832    if (mVideoSource != NULL) {
833        // Kick off video playback
834        postVideoEvent_l();
835
836        if (mAudioSource != NULL && mVideoSource != NULL) {
837            postVideoLagEvent_l();
838        }
839    }
840
841    if (deferredAudioSeek) {
842        // If there was a seek request while we were paused
843        // and we're just starting up again, honor the request now.
844        seekAudioIfNecessary_l();
845    }
846
847    if (mFlags & AT_EOS) {
848        // Legacy behaviour, if a stream finishes playing and then
849        // is started again, we play from the start...
850        seekTo_l(0);
851    }
852
853    return OK;
854}
855
856void AwesomePlayer::notifyVideoSize_l() {
857    sp<MetaData> meta = mVideoSource->getFormat();
858
859    int32_t cropLeft, cropTop, cropRight, cropBottom;
860    if (!meta->findRect(
861                kKeyCropRect, &cropLeft, &cropTop, &cropRight, &cropBottom)) {
862        int32_t width, height;
863        CHECK(meta->findInt32(kKeyWidth, &width));
864        CHECK(meta->findInt32(kKeyHeight, &height));
865
866        cropLeft = cropTop = 0;
867        cropRight = width - 1;
868        cropBottom = height - 1;
869
870        LOGV("got dimensions only %d x %d", width, height);
871    } else {
872        LOGV("got crop rect %d, %d, %d, %d",
873             cropLeft, cropTop, cropRight, cropBottom);
874    }
875
876    int32_t usableWidth = cropRight - cropLeft + 1;
877    int32_t usableHeight = cropBottom - cropTop + 1;
878    if (mDisplayWidth != 0) {
879        usableWidth = mDisplayWidth;
880    }
881    if (mDisplayHeight != 0) {
882        usableHeight = mDisplayHeight;
883    }
884
885    int32_t rotationDegrees;
886    if (!mVideoTrack->getFormat()->findInt32(
887                kKeyRotation, &rotationDegrees)) {
888        rotationDegrees = 0;
889    }
890
891    if (rotationDegrees == 90 || rotationDegrees == 270) {
892        notifyListener_l(
893                MEDIA_SET_VIDEO_SIZE, usableHeight, usableWidth);
894    } else {
895        notifyListener_l(
896                MEDIA_SET_VIDEO_SIZE, usableWidth, usableHeight);
897    }
898}
899
900void AwesomePlayer::initRenderer_l() {
901    if (mSurface == NULL) {
902        return;
903    }
904
905    sp<MetaData> meta = mVideoSource->getFormat();
906
907    int32_t format;
908    const char *component;
909    int32_t decodedWidth, decodedHeight;
910    CHECK(meta->findInt32(kKeyColorFormat, &format));
911    CHECK(meta->findCString(kKeyDecoderComponent, &component));
912    CHECK(meta->findInt32(kKeyWidth, &decodedWidth));
913    CHECK(meta->findInt32(kKeyHeight, &decodedHeight));
914
915    int32_t rotationDegrees;
916    if (!mVideoTrack->getFormat()->findInt32(
917                kKeyRotation, &rotationDegrees)) {
918        rotationDegrees = 0;
919    }
920
921    mVideoRenderer.clear();
922
923    // Must ensure that mVideoRenderer's destructor is actually executed
924    // before creating a new one.
925    IPCThreadState::self()->flushCommands();
926
927    if (USE_SURFACE_ALLOC && strncmp(component, "OMX.", 4) == 0) {
928        // Hardware decoders avoid the CPU color conversion by decoding
929        // directly to ANativeBuffers, so we must use a renderer that
930        // just pushes those buffers to the ANativeWindow.
931        mVideoRenderer =
932            new AwesomeNativeWindowRenderer(mSurface, rotationDegrees);
933    } else {
934        // Other decoders are instantiated locally and as a consequence
935        // allocate their buffers in local address space.  This renderer
936        // then performs a color conversion and copy to get the data
937        // into the ANativeBuffer.
938        mVideoRenderer = new AwesomeLocalRenderer(mSurface, meta);
939    }
940}
941
942status_t AwesomePlayer::pause() {
943    Mutex::Autolock autoLock(mLock);
944
945    mFlags &= ~CACHE_UNDERRUN;
946
947    return pause_l();
948}
949
950status_t AwesomePlayer::pause_l(bool at_eos) {
951    if (!(mFlags & PLAYING)) {
952        return OK;
953    }
954
955    cancelPlayerEvents(true /* keepBufferingGoing */);
956
957    if (mAudioPlayer != NULL) {
958        if (at_eos) {
959            // If we played the audio stream to completion we
960            // want to make sure that all samples remaining in the audio
961            // track's queue are played out.
962            mAudioPlayer->pause(true /* playPendingSamples */);
963        } else {
964            mAudioPlayer->pause();
965        }
966    }
967
968    mFlags &= ~PLAYING;
969
970    if (mDecryptHandle != NULL) {
971        mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
972                Playback::PAUSE, 0);
973    }
974
975    return OK;
976}
977
978bool AwesomePlayer::isPlaying() const {
979    return (mFlags & PLAYING) || (mFlags & CACHE_UNDERRUN);
980}
981
982void AwesomePlayer::setSurface(const sp<Surface> &surface) {
983    Mutex::Autolock autoLock(mLock);
984
985    mSurface = surface;
986}
987
988void AwesomePlayer::setAudioSink(
989        const sp<MediaPlayerBase::AudioSink> &audioSink) {
990    Mutex::Autolock autoLock(mLock);
991
992    mAudioSink = audioSink;
993}
994
995status_t AwesomePlayer::setLooping(bool shouldLoop) {
996    Mutex::Autolock autoLock(mLock);
997
998    mFlags = mFlags & ~LOOPING;
999
1000    if (shouldLoop) {
1001        mFlags |= LOOPING;
1002    }
1003
1004    return OK;
1005}
1006
1007status_t AwesomePlayer::getDuration(int64_t *durationUs) {
1008    Mutex::Autolock autoLock(mMiscStateLock);
1009
1010    if (mDurationUs < 0) {
1011        return UNKNOWN_ERROR;
1012    }
1013
1014    *durationUs = mDurationUs;
1015
1016    return OK;
1017}
1018
1019status_t AwesomePlayer::getPosition(int64_t *positionUs) {
1020    if (mRTSPController != NULL) {
1021        *positionUs = mRTSPController->getNormalPlayTimeUs();
1022    }
1023    else if (mSeeking) {
1024        *positionUs = mSeekTimeUs;
1025    } else if (mVideoSource != NULL) {
1026        Mutex::Autolock autoLock(mMiscStateLock);
1027        *positionUs = mVideoTimeUs;
1028    } else if (mAudioPlayer != NULL) {
1029        *positionUs = mAudioPlayer->getMediaTimeUs();
1030    } else {
1031        *positionUs = 0;
1032    }
1033
1034    return OK;
1035}
1036
1037status_t AwesomePlayer::seekTo(int64_t timeUs) {
1038    if (mExtractorFlags & MediaExtractor::CAN_SEEK) {
1039        Mutex::Autolock autoLock(mLock);
1040        return seekTo_l(timeUs);
1041    }
1042
1043    return OK;
1044}
1045
1046// static
1047void AwesomePlayer::OnRTSPSeekDoneWrapper(void *cookie) {
1048    static_cast<AwesomePlayer *>(cookie)->onRTSPSeekDone();
1049}
1050
1051void AwesomePlayer::onRTSPSeekDone() {
1052    notifyListener_l(MEDIA_SEEK_COMPLETE);
1053    mSeekNotificationSent = true;
1054}
1055
1056status_t AwesomePlayer::seekTo_l(int64_t timeUs) {
1057    if (mRTSPController != NULL) {
1058        mRTSPController->seekAsync(timeUs, OnRTSPSeekDoneWrapper, this);
1059        return OK;
1060    }
1061
1062    if (mFlags & CACHE_UNDERRUN) {
1063        mFlags &= ~CACHE_UNDERRUN;
1064        play_l();
1065    }
1066
1067    mSeeking = true;
1068    mSeekNotificationSent = false;
1069    mSeekTimeUs = timeUs;
1070    mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
1071
1072    seekAudioIfNecessary_l();
1073
1074    if (!(mFlags & PLAYING)) {
1075        LOGV("seeking while paused, sending SEEK_COMPLETE notification"
1076             " immediately.");
1077
1078        notifyListener_l(MEDIA_SEEK_COMPLETE);
1079        mSeekNotificationSent = true;
1080
1081        if ((mFlags & PREPARED) && mVideoSource != NULL) {
1082            mFlags |= SEEK_PREVIEW;
1083            postVideoEvent_l();
1084        }
1085    }
1086
1087    return OK;
1088}
1089
1090void AwesomePlayer::seekAudioIfNecessary_l() {
1091    if (mSeeking && mVideoSource == NULL && mAudioPlayer != NULL) {
1092        mAudioPlayer->seekTo(mSeekTimeUs);
1093
1094        mWatchForAudioSeekComplete = true;
1095        mWatchForAudioEOS = true;
1096        mSeekNotificationSent = false;
1097
1098        if (mDecryptHandle != NULL) {
1099            mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
1100                    Playback::PAUSE, 0);
1101            mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
1102                    Playback::START, mSeekTimeUs / 1000);
1103        }
1104    }
1105}
1106
1107void AwesomePlayer::setAudioSource(sp<MediaSource> source) {
1108    CHECK(source != NULL);
1109
1110    mAudioTrack = source;
1111}
1112
1113status_t AwesomePlayer::initAudioDecoder() {
1114    sp<MetaData> meta = mAudioTrack->getFormat();
1115
1116    const char *mime;
1117    CHECK(meta->findCString(kKeyMIMEType, &mime));
1118
1119    if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
1120        mAudioSource = mAudioTrack;
1121    } else {
1122        mAudioSource = OMXCodec::Create(
1123                mClient.interface(), mAudioTrack->getFormat(),
1124                false, // createEncoder
1125                mAudioTrack);
1126    }
1127
1128    if (mAudioSource != NULL) {
1129        int64_t durationUs;
1130        if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
1131            Mutex::Autolock autoLock(mMiscStateLock);
1132            if (mDurationUs < 0 || durationUs > mDurationUs) {
1133                mDurationUs = durationUs;
1134            }
1135        }
1136
1137        status_t err = mAudioSource->start();
1138
1139        if (err != OK) {
1140            mAudioSource.clear();
1141            return err;
1142        }
1143    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_QCELP)) {
1144        // For legacy reasons we're simply going to ignore the absence
1145        // of an audio decoder for QCELP instead of aborting playback
1146        // altogether.
1147        return OK;
1148    }
1149
1150    return mAudioSource != NULL ? OK : UNKNOWN_ERROR;
1151}
1152
1153void AwesomePlayer::setVideoSource(sp<MediaSource> source) {
1154    CHECK(source != NULL);
1155
1156    mVideoTrack = source;
1157}
1158
1159status_t AwesomePlayer::initVideoDecoder(uint32_t flags) {
1160    mVideoSource = OMXCodec::Create(
1161            mClient.interface(), mVideoTrack->getFormat(),
1162            false, // createEncoder
1163            mVideoTrack,
1164            NULL, flags, USE_SURFACE_ALLOC ? mSurface : NULL);
1165
1166    if (mVideoSource != NULL) {
1167        int64_t durationUs;
1168        if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
1169            Mutex::Autolock autoLock(mMiscStateLock);
1170            if (mDurationUs < 0 || durationUs > mDurationUs) {
1171                mDurationUs = durationUs;
1172            }
1173        }
1174
1175        status_t err = mVideoSource->start();
1176
1177        if (err != OK) {
1178            mVideoSource.clear();
1179            return err;
1180        }
1181    }
1182
1183    return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
1184}
1185
1186void AwesomePlayer::finishSeekIfNecessary(int64_t videoTimeUs) {
1187    if (!mSeeking || (mFlags & SEEK_PREVIEW)) {
1188        return;
1189    }
1190
1191    if (mAudioPlayer != NULL) {
1192        LOGV("seeking audio to %lld us (%.2f secs).", videoTimeUs, videoTimeUs / 1E6);
1193
1194        // If we don't have a video time, seek audio to the originally
1195        // requested seek time instead.
1196
1197        mAudioPlayer->seekTo(videoTimeUs < 0 ? mSeekTimeUs : videoTimeUs);
1198        mAudioPlayer->resume();
1199        mWatchForAudioSeekComplete = true;
1200        mWatchForAudioEOS = true;
1201    } else if (!mSeekNotificationSent) {
1202        // If we're playing video only, report seek complete now,
1203        // otherwise audio player will notify us later.
1204        notifyListener_l(MEDIA_SEEK_COMPLETE);
1205    }
1206
1207    mFlags |= FIRST_FRAME;
1208    mSeeking = false;
1209    mSeekNotificationSent = false;
1210
1211    if (mDecryptHandle != NULL) {
1212        mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
1213                Playback::PAUSE, 0);
1214        mDrmManagerClient->setPlaybackStatus(mDecryptHandle,
1215                Playback::START, videoTimeUs / 1000);
1216    }
1217}
1218
1219void AwesomePlayer::onVideoEvent() {
1220    Mutex::Autolock autoLock(mLock);
1221    if (!mVideoEventPending) {
1222        // The event has been cancelled in reset_l() but had already
1223        // been scheduled for execution at that time.
1224        return;
1225    }
1226    mVideoEventPending = false;
1227
1228    if (mSeeking) {
1229        if (mVideoBuffer) {
1230            mVideoBuffer->release();
1231            mVideoBuffer = NULL;
1232        }
1233
1234        if (mCachedSource != NULL && mAudioSource != NULL
1235                && !(mFlags & SEEK_PREVIEW)) {
1236            // We're going to seek the video source first, followed by
1237            // the audio source.
1238            // In order to avoid jumps in the DataSource offset caused by
1239            // the audio codec prefetching data from the old locations
1240            // while the video codec is already reading data from the new
1241            // locations, we'll "pause" the audio source, causing it to
1242            // stop reading input data until a subsequent seek.
1243
1244            if (mAudioPlayer != NULL) {
1245                mAudioPlayer->pause();
1246            }
1247            mAudioSource->pause();
1248        }
1249    }
1250
1251    if (!mVideoBuffer) {
1252        MediaSource::ReadOptions options;
1253        if (mSeeking) {
1254            LOGV("seeking to %lld us (%.2f secs)", mSeekTimeUs, mSeekTimeUs / 1E6);
1255
1256            options.setSeekTo(
1257                    mSeekTimeUs, MediaSource::ReadOptions::SEEK_CLOSEST_SYNC);
1258        }
1259        for (;;) {
1260            status_t err = mVideoSource->read(&mVideoBuffer, &options);
1261            options.clearSeekTo();
1262
1263            if (err != OK) {
1264                CHECK(mVideoBuffer == NULL);
1265
1266                if (err == INFO_FORMAT_CHANGED) {
1267                    LOGV("VideoSource signalled format change.");
1268
1269                    notifyVideoSize_l();
1270
1271                    if (mVideoRenderer != NULL) {
1272                        mVideoRendererIsPreview = false;
1273                        initRenderer_l();
1274                    }
1275                    continue;
1276                }
1277
1278                // So video playback is complete, but we may still have
1279                // a seek request pending that needs to be applied
1280                // to the audio track.
1281                if (mSeeking) {
1282                    LOGV("video stream ended while seeking!");
1283                }
1284                finishSeekIfNecessary(-1);
1285
1286                mFlags |= VIDEO_AT_EOS;
1287                postStreamDoneEvent_l(err);
1288                return;
1289            }
1290
1291            if (mVideoBuffer->range_length() == 0) {
1292                // Some decoders, notably the PV AVC software decoder
1293                // return spurious empty buffers that we just want to ignore.
1294
1295                mVideoBuffer->release();
1296                mVideoBuffer = NULL;
1297                continue;
1298            }
1299
1300            break;
1301        }
1302    }
1303
1304    int64_t timeUs;
1305    CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
1306
1307    {
1308        Mutex::Autolock autoLock(mMiscStateLock);
1309        mVideoTimeUs = timeUs;
1310    }
1311
1312    bool wasSeeking = mSeeking;
1313    finishSeekIfNecessary(timeUs);
1314
1315    TimeSource *ts = (mFlags & AUDIO_AT_EOS) ? &mSystemTimeSource : mTimeSource;
1316
1317    if (mFlags & FIRST_FRAME) {
1318        mFlags &= ~FIRST_FRAME;
1319        mSinceLastDropped = 0;
1320        mTimeSourceDeltaUs = ts->getRealTimeUs() - timeUs;
1321    }
1322
1323    int64_t realTimeUs, mediaTimeUs;
1324    if (!(mFlags & AUDIO_AT_EOS) && mAudioPlayer != NULL
1325        && mAudioPlayer->getMediaTimeMapping(&realTimeUs, &mediaTimeUs)) {
1326        mTimeSourceDeltaUs = realTimeUs - mediaTimeUs;
1327    }
1328
1329    if (!wasSeeking) {
1330        // Let's display the first frame after seeking right away.
1331
1332        int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;
1333
1334        int64_t latenessUs = nowUs - timeUs;
1335
1336        if (latenessUs > 40000) {
1337            // We're more than 40ms late.
1338            LOGV("we're late by %lld us (%.2f secs)", latenessUs, latenessUs / 1E6);
1339            if ( mSinceLastDropped > FRAME_DROP_FREQ)
1340            {
1341                LOGV("we're late by %lld us (%.2f secs) dropping one after %d frames", latenessUs, latenessUs / 1E6, mSinceLastDropped);
1342                mSinceLastDropped = 0;
1343                mVideoBuffer->release();
1344                mVideoBuffer = NULL;
1345
1346                postVideoEvent_l();
1347                return;
1348            }
1349        }
1350
1351        if (latenessUs < -10000) {
1352            // We're more than 10ms early.
1353
1354            postVideoEvent_l(10000);
1355            return;
1356        }
1357    }
1358
1359    if (mVideoRendererIsPreview || mVideoRenderer == NULL) {
1360        mVideoRendererIsPreview = false;
1361
1362        initRenderer_l();
1363    }
1364
1365    if (mVideoRenderer != NULL) {
1366        mSinceLastDropped++;
1367        mVideoRenderer->render(mVideoBuffer);
1368    }
1369
1370    mVideoBuffer->release();
1371    mVideoBuffer = NULL;
1372
1373    if (wasSeeking && (mFlags & SEEK_PREVIEW)) {
1374        mFlags &= ~SEEK_PREVIEW;
1375        return;
1376    }
1377
1378    postVideoEvent_l();
1379}
1380
1381void AwesomePlayer::postVideoEvent_l(int64_t delayUs) {
1382    if (mVideoEventPending) {
1383        return;
1384    }
1385
1386    mVideoEventPending = true;
1387    mQueue.postEventWithDelay(mVideoEvent, delayUs < 0 ? 10000 : delayUs);
1388}
1389
1390void AwesomePlayer::postStreamDoneEvent_l(status_t status) {
1391    if (mStreamDoneEventPending) {
1392        return;
1393    }
1394    mStreamDoneEventPending = true;
1395
1396    mStreamDoneStatus = status;
1397    mQueue.postEvent(mStreamDoneEvent);
1398}
1399
1400void AwesomePlayer::postBufferingEvent_l() {
1401    if (mBufferingEventPending) {
1402        return;
1403    }
1404    mBufferingEventPending = true;
1405    mQueue.postEventWithDelay(mBufferingEvent, 1000000ll);
1406}
1407
1408void AwesomePlayer::postVideoLagEvent_l() {
1409    if (mVideoLagEventPending) {
1410        return;
1411    }
1412    mVideoLagEventPending = true;
1413    mQueue.postEventWithDelay(mVideoLagEvent, 1000000ll);
1414}
1415
1416void AwesomePlayer::postCheckAudioStatusEvent_l() {
1417    if (mAudioStatusEventPending) {
1418        return;
1419    }
1420    mAudioStatusEventPending = true;
1421    mQueue.postEvent(mCheckAudioStatusEvent);
1422}
1423
1424void AwesomePlayer::onCheckAudioStatus() {
1425    Mutex::Autolock autoLock(mLock);
1426    if (!mAudioStatusEventPending) {
1427        // Event was dispatched and while we were blocking on the mutex,
1428        // has already been cancelled.
1429        return;
1430    }
1431
1432    mAudioStatusEventPending = false;
1433
1434    if (mWatchForAudioSeekComplete && !mAudioPlayer->isSeeking()) {
1435        mWatchForAudioSeekComplete = false;
1436
1437        if (!mSeekNotificationSent) {
1438            notifyListener_l(MEDIA_SEEK_COMPLETE);
1439            mSeekNotificationSent = true;
1440        }
1441
1442        mSeeking = false;
1443    }
1444
1445    status_t finalStatus;
1446    if (mWatchForAudioEOS && mAudioPlayer->reachedEOS(&finalStatus)) {
1447        mWatchForAudioEOS = false;
1448        mFlags |= AUDIO_AT_EOS;
1449        mFlags |= FIRST_FRAME;
1450        postStreamDoneEvent_l(finalStatus);
1451    }
1452}
1453
1454status_t AwesomePlayer::prepare() {
1455    Mutex::Autolock autoLock(mLock);
1456    return prepare_l();
1457}
1458
1459status_t AwesomePlayer::prepare_l() {
1460    if (mFlags & PREPARED) {
1461        return OK;
1462    }
1463
1464    if (mFlags & PREPARING) {
1465        return UNKNOWN_ERROR;
1466    }
1467
1468    mIsAsyncPrepare = false;
1469    status_t err = prepareAsync_l();
1470
1471    if (err != OK) {
1472        return err;
1473    }
1474
1475    while (mFlags & PREPARING) {
1476        mPreparedCondition.wait(mLock);
1477    }
1478
1479    return mPrepareResult;
1480}
1481
1482status_t AwesomePlayer::prepareAsync() {
1483    Mutex::Autolock autoLock(mLock);
1484
1485    if (mFlags & PREPARING) {
1486        return UNKNOWN_ERROR;  // async prepare already pending
1487    }
1488
1489    mIsAsyncPrepare = true;
1490    return prepareAsync_l();
1491}
1492
1493status_t AwesomePlayer::prepareAsync_l() {
1494    if (mFlags & PREPARING) {
1495        return UNKNOWN_ERROR;  // async prepare already pending
1496    }
1497
1498    if (!mQueueStarted) {
1499        mQueue.start();
1500        mQueueStarted = true;
1501    }
1502
1503    mFlags |= PREPARING;
1504    mAsyncPrepareEvent = new AwesomeEvent(
1505            this, &AwesomePlayer::onPrepareAsyncEvent);
1506
1507    mQueue.postEvent(mAsyncPrepareEvent);
1508
1509    return OK;
1510}
1511
1512status_t AwesomePlayer::finishSetDataSource_l() {
1513    sp<DataSource> dataSource;
1514
1515    if (!strncasecmp("http://", mUri.string(), 7)) {
1516        mConnectingDataSource = new NuHTTPDataSource;
1517
1518        mLock.unlock();
1519        status_t err = mConnectingDataSource->connect(mUri, &mUriHeaders);
1520        mLock.lock();
1521
1522        if (err != OK) {
1523            mConnectingDataSource.clear();
1524
1525            LOGI("mConnectingDataSource->connect() returned %d", err);
1526            return err;
1527        }
1528
1529#if 0
1530        mCachedSource = new NuCachedSource2(
1531                new ThrottledSource(
1532                    mConnectingDataSource, 50 * 1024 /* bytes/sec */));
1533#else
1534        mCachedSource = new NuCachedSource2(mConnectingDataSource);
1535#endif
1536        mConnectingDataSource.clear();
1537
1538        dataSource = mCachedSource;
1539
1540        // We're going to prefill the cache before trying to instantiate
1541        // the extractor below, as the latter is an operation that otherwise
1542        // could block on the datasource for a significant amount of time.
1543        // During that time we'd be unable to abort the preparation phase
1544        // without this prefill.
1545
1546        mLock.unlock();
1547
1548        for (;;) {
1549            status_t finalStatus;
1550            size_t cachedDataRemaining =
1551                mCachedSource->approxDataRemaining(&finalStatus);
1552
1553            if (finalStatus != OK || cachedDataRemaining >= kHighWaterMarkBytes
1554                    || (mFlags & PREPARE_CANCELLED)) {
1555                break;
1556            }
1557
1558            usleep(200000);
1559        }
1560
1561        mLock.lock();
1562
1563        if (mFlags & PREPARE_CANCELLED) {
1564            LOGI("Prepare cancelled while waiting for initial cache fill.");
1565            return UNKNOWN_ERROR;
1566        }
1567    } else if (!strncasecmp(mUri.string(), "httplive://", 11)) {
1568        String8 uri("http://");
1569        uri.append(mUri.string() + 11);
1570
1571        if (mLooper == NULL) {
1572            mLooper = new ALooper;
1573            mLooper->setName("httplive");
1574            mLooper->start();
1575        }
1576
1577        mLiveSession = new LiveSession;
1578        mLooper->registerHandler(mLiveSession);
1579
1580        mLiveSession->connect(uri.string());
1581        dataSource = mLiveSession->getDataSource();
1582
1583        sp<MediaExtractor> extractor =
1584            MediaExtractor::Create(dataSource, MEDIA_MIMETYPE_CONTAINER_MPEG2TS);
1585
1586        static_cast<MPEG2TSExtractor *>(extractor.get())
1587            ->setLiveSession(mLiveSession);
1588
1589        return setDataSource_l(extractor);
1590    } else if (!strncasecmp("rtsp://", mUri.string(), 7)) {
1591        if (mLooper == NULL) {
1592            mLooper = new ALooper;
1593            mLooper->setName("rtsp");
1594            mLooper->start();
1595        }
1596        mRTSPController = new ARTSPController(mLooper);
1597        status_t err = mRTSPController->connect(mUri.string());
1598
1599        LOGI("ARTSPController::connect returned %d", err);
1600
1601        if (err != OK) {
1602            mRTSPController.clear();
1603            return err;
1604        }
1605
1606        sp<MediaExtractor> extractor = mRTSPController.get();
1607        return setDataSource_l(extractor);
1608    } else {
1609        dataSource = DataSource::CreateFromURI(mUri.string(), &mUriHeaders);
1610    }
1611
1612    if (dataSource == NULL) {
1613        return UNKNOWN_ERROR;
1614    }
1615
1616    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
1617
1618    if (extractor == NULL) {
1619        return UNKNOWN_ERROR;
1620    }
1621
1622    dataSource->getDrmInfo(&mDecryptHandle, &mDrmManagerClient);
1623    if (mDecryptHandle != NULL) {
1624        CHECK(mDrmManagerClient);
1625        if (RightsStatus::RIGHTS_VALID == mDecryptHandle->status) {
1626            if (DecryptApiType::WV_BASED == mDecryptHandle->decryptApiType) {
1627                LOGD("Setting mCachedSource to NULL for WVM\n");
1628                mCachedSource.clear();
1629            }
1630        } else {
1631            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_NO_LICENSE);
1632        }
1633    }
1634
1635    return setDataSource_l(extractor);
1636}
1637
1638void AwesomePlayer::abortPrepare(status_t err) {
1639    CHECK(err != OK);
1640
1641    if (mIsAsyncPrepare) {
1642        notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
1643    }
1644
1645    mPrepareResult = err;
1646    mFlags &= ~(PREPARING|PREPARE_CANCELLED|PREPARING_CONNECTED);
1647    mAsyncPrepareEvent = NULL;
1648    mPreparedCondition.broadcast();
1649}
1650
1651// static
1652bool AwesomePlayer::ContinuePreparation(void *cookie) {
1653    AwesomePlayer *me = static_cast<AwesomePlayer *>(cookie);
1654
1655    return (me->mFlags & PREPARE_CANCELLED) == 0;
1656}
1657
1658void AwesomePlayer::onPrepareAsyncEvent() {
1659    Mutex::Autolock autoLock(mLock);
1660
1661    if (mFlags & PREPARE_CANCELLED) {
1662        LOGI("prepare was cancelled before doing anything");
1663        abortPrepare(UNKNOWN_ERROR);
1664        return;
1665    }
1666
1667    if (mUri.size() > 0) {
1668        status_t err = finishSetDataSource_l();
1669
1670        if (err != OK) {
1671            abortPrepare(err);
1672            return;
1673        }
1674    }
1675
1676    if (mVideoTrack != NULL && mVideoSource == NULL) {
1677        status_t err = initVideoDecoder();
1678
1679        if (err != OK) {
1680            abortPrepare(err);
1681            return;
1682        }
1683    }
1684
1685    if (mAudioTrack != NULL && mAudioSource == NULL) {
1686        status_t err = initAudioDecoder();
1687
1688        if (err != OK) {
1689            abortPrepare(err);
1690            return;
1691        }
1692    }
1693
1694    mFlags |= PREPARING_CONNECTED;
1695
1696    if (mCachedSource != NULL || mRTSPController != NULL) {
1697        postBufferingEvent_l();
1698    } else {
1699        finishAsyncPrepare_l();
1700    }
1701}
1702
1703void AwesomePlayer::finishAsyncPrepare_l() {
1704    if (mIsAsyncPrepare) {
1705        if (mVideoSource == NULL) {
1706            notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
1707        } else {
1708            notifyVideoSize_l();
1709        }
1710
1711        notifyListener_l(MEDIA_PREPARED);
1712    }
1713
1714    mPrepareResult = OK;
1715    mFlags &= ~(PREPARING|PREPARE_CANCELLED|PREPARING_CONNECTED);
1716    mFlags |= PREPARED;
1717    mAsyncPrepareEvent = NULL;
1718    mPreparedCondition.broadcast();
1719}
1720
1721uint32_t AwesomePlayer::flags() const {
1722    return mExtractorFlags;
1723}
1724
1725void AwesomePlayer::postAudioEOS() {
1726    postCheckAudioStatusEvent_l();
1727}
1728
1729void AwesomePlayer::postAudioSeekComplete() {
1730    postCheckAudioStatusEvent_l();
1731}
1732
1733}  // namespace android
1734