NuPlayer.cpp revision 3901e5d87573447db33fb9930871a1f5266a9b2c 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "NuPlayer"
19#include <utils/Log.h>
20
21#include "NuPlayer.h"
22
23#include "HTTPLiveSource.h"
24#include "NuPlayerDecoder.h"
25#include "NuPlayerDriver.h"
26#include "NuPlayerRenderer.h"
27#include "NuPlayerSource.h"
28#include "RTSPSource.h"
29#include "StreamingSource.h"
30
31#include "ATSParser.h"
32
33#include <media/stagefright/foundation/hexdump.h>
34#include <media/stagefright/foundation/ABuffer.h>
35#include <media/stagefright/foundation/ADebug.h>
36#include <media/stagefright/foundation/AMessage.h>
37#include <media/stagefright/ACodec.h>
38#include <media/stagefright/MediaDefs.h>
39#include <media/stagefright/MediaErrors.h>
40#include <media/stagefright/MetaData.h>
41#include <surfaceflinger/Surface.h>
42#include <gui/ISurfaceTexture.h>
43
44#include "avc_utils.h"
45
46namespace android {
47
48////////////////////////////////////////////////////////////////////////////////
49
50NuPlayer::NuPlayer()
51    : mUIDValid(false),
52      mVideoIsAVC(false),
53      mAudioEOS(false),
54      mVideoEOS(false),
55      mScanSourcesPending(false),
56      mScanSourcesGeneration(0),
57      mFlushingAudio(NONE),
58      mFlushingVideo(NONE),
59      mResetInProgress(false),
60      mResetPostponed(false),
61      mSkipRenderingAudioUntilMediaTimeUs(-1ll),
62      mSkipRenderingVideoUntilMediaTimeUs(-1ll),
63      mVideoLateByUs(0ll),
64      mNumFramesTotal(0ll),
65      mNumFramesDropped(0ll) {
66}
67
68NuPlayer::~NuPlayer() {
69}
70
71void NuPlayer::setUID(uid_t uid) {
72    mUIDValid = true;
73    mUID = uid;
74}
75
76void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) {
77    mDriver = driver;
78}
79
80void NuPlayer::setDataSource(const sp<IStreamSource> &source) {
81    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
82
83    msg->setObject("source", new StreamingSource(source));
84    msg->post();
85}
86
87void NuPlayer::setDataSource(
88        const char *url, const KeyedVector<String8, String8> *headers) {
89    sp<AMessage> msg = new AMessage(kWhatSetDataSource, id());
90
91    if (!strncasecmp(url, "rtsp://", 7)) {
92        msg->setObject(
93                "source", new RTSPSource(url, headers, mUIDValid, mUID));
94    } else {
95        msg->setObject(
96                "source", new HTTPLiveSource(url, headers, mUIDValid, mUID));
97    }
98
99    msg->post();
100}
101
102void NuPlayer::setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture) {
103    sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id());
104    sp<SurfaceTextureClient> surfaceTextureClient(surfaceTexture != NULL ?
105                new SurfaceTextureClient(surfaceTexture) : NULL);
106    msg->setObject("native-window", new NativeWindowWrapper(surfaceTextureClient));
107    msg->post();
108}
109
110void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) {
111    sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id());
112    msg->setObject("sink", sink);
113    msg->post();
114}
115
116void NuPlayer::start() {
117    (new AMessage(kWhatStart, id()))->post();
118}
119
120void NuPlayer::pause() {
121    (new AMessage(kWhatPause, id()))->post();
122}
123
124void NuPlayer::resume() {
125    (new AMessage(kWhatResume, id()))->post();
126}
127
128void NuPlayer::resetAsync() {
129    (new AMessage(kWhatReset, id()))->post();
130}
131
132void NuPlayer::seekToAsync(int64_t seekTimeUs) {
133    sp<AMessage> msg = new AMessage(kWhatSeek, id());
134    msg->setInt64("seekTimeUs", seekTimeUs);
135    msg->post();
136}
137
138// static
139bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) {
140    switch (state) {
141        case FLUSHING_DECODER:
142            if (needShutdown != NULL) {
143                *needShutdown = false;
144            }
145            return true;
146
147        case FLUSHING_DECODER_SHUTDOWN:
148            if (needShutdown != NULL) {
149                *needShutdown = true;
150            }
151            return true;
152
153        default:
154            return false;
155    }
156}
157
158void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
159    switch (msg->what()) {
160        case kWhatSetDataSource:
161        {
162            LOGV("kWhatSetDataSource");
163
164            CHECK(mSource == NULL);
165
166            sp<RefBase> obj;
167            CHECK(msg->findObject("source", &obj));
168
169            mSource = static_cast<Source *>(obj.get());
170            break;
171        }
172
173        case kWhatSetVideoNativeWindow:
174        {
175            LOGV("kWhatSetVideoNativeWindow");
176
177            sp<RefBase> obj;
178            CHECK(msg->findObject("native-window", &obj));
179
180            mNativeWindow = static_cast<NativeWindowWrapper *>(obj.get());
181            break;
182        }
183
184        case kWhatSetAudioSink:
185        {
186            LOGV("kWhatSetAudioSink");
187
188            sp<RefBase> obj;
189            CHECK(msg->findObject("sink", &obj));
190
191            mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get());
192            break;
193        }
194
195        case kWhatStart:
196        {
197            LOGV("kWhatStart");
198
199            mVideoIsAVC = false;
200            mAudioEOS = false;
201            mVideoEOS = false;
202            mSkipRenderingAudioUntilMediaTimeUs = -1;
203            mSkipRenderingVideoUntilMediaTimeUs = -1;
204            mVideoLateByUs = 0;
205            mNumFramesTotal = 0;
206            mNumFramesDropped = 0;
207
208            mSource->start();
209
210            mRenderer = new Renderer(
211                    mAudioSink,
212                    new AMessage(kWhatRendererNotify, id()));
213
214            looper()->registerHandler(mRenderer);
215
216            postScanSources();
217            break;
218        }
219
220        case kWhatScanSources:
221        {
222            int32_t generation;
223            CHECK(msg->findInt32("generation", &generation));
224            if (generation != mScanSourcesGeneration) {
225                // Drop obsolete msg.
226                break;
227            }
228
229            mScanSourcesPending = false;
230
231            LOGV("scanning sources haveAudio=%d, haveVideo=%d",
232                 mAudioDecoder != NULL, mVideoDecoder != NULL);
233
234            instantiateDecoder(false, &mVideoDecoder);
235
236            if (mAudioSink != NULL) {
237                instantiateDecoder(true, &mAudioDecoder);
238            }
239
240            status_t err;
241            if ((err = mSource->feedMoreTSData()) != OK) {
242                if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
243                    // We're not currently decoding anything (no audio or
244                    // video tracks found) and we just ran out of input data.
245
246                    if (err == ERROR_END_OF_STREAM) {
247                        notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
248                    } else {
249                        notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
250                    }
251                }
252                break;
253            }
254
255            if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
256                msg->post(100000ll);
257                mScanSourcesPending = true;
258            }
259            break;
260        }
261
262        case kWhatVideoNotify:
263        case kWhatAudioNotify:
264        {
265            bool audio = msg->what() == kWhatAudioNotify;
266
267            sp<AMessage> codecRequest;
268            CHECK(msg->findMessage("codec-request", &codecRequest));
269
270            int32_t what;
271            CHECK(codecRequest->findInt32("what", &what));
272
273            if (what == ACodec::kWhatFillThisBuffer) {
274                status_t err = feedDecoderInputData(
275                        audio, codecRequest);
276
277                if (err == -EWOULDBLOCK) {
278                    if (mSource->feedMoreTSData() == OK) {
279                        msg->post();
280                    }
281                }
282            } else if (what == ACodec::kWhatEOS) {
283                int32_t err;
284                CHECK(codecRequest->findInt32("err", &err));
285
286                if (err == ERROR_END_OF_STREAM) {
287                    LOGV("got %s decoder EOS", audio ? "audio" : "video");
288                } else {
289                    LOGV("got %s decoder EOS w/ error %d",
290                         audio ? "audio" : "video",
291                         err);
292                }
293
294                mRenderer->queueEOS(audio, err);
295            } else if (what == ACodec::kWhatFlushCompleted) {
296                bool needShutdown;
297
298                if (audio) {
299                    CHECK(IsFlushingState(mFlushingAudio, &needShutdown));
300                    mFlushingAudio = FLUSHED;
301                } else {
302                    CHECK(IsFlushingState(mFlushingVideo, &needShutdown));
303                    mFlushingVideo = FLUSHED;
304
305                    mVideoLateByUs = 0;
306                }
307
308                LOGV("decoder %s flush completed", audio ? "audio" : "video");
309
310                if (needShutdown) {
311                    LOGV("initiating %s decoder shutdown",
312                         audio ? "audio" : "video");
313
314                    (audio ? mAudioDecoder : mVideoDecoder)->initiateShutdown();
315
316                    if (audio) {
317                        mFlushingAudio = SHUTTING_DOWN_DECODER;
318                    } else {
319                        mFlushingVideo = SHUTTING_DOWN_DECODER;
320                    }
321                }
322
323                finishFlushIfPossible();
324            } else if (what == ACodec::kWhatOutputFormatChanged) {
325                if (audio) {
326                    int32_t numChannels;
327                    CHECK(codecRequest->findInt32("channel-count", &numChannels));
328
329                    int32_t sampleRate;
330                    CHECK(codecRequest->findInt32("sample-rate", &sampleRate));
331
332                    LOGV("Audio output format changed to %d Hz, %d channels",
333                         sampleRate, numChannels);
334
335                    mAudioSink->close();
336                    CHECK_EQ(mAudioSink->open(
337                                sampleRate,
338                                numChannels,
339                                AUDIO_FORMAT_PCM_16_BIT,
340                                8 /* bufferCount */),
341                             (status_t)OK);
342                    mAudioSink->start();
343
344                    mRenderer->signalAudioSinkChanged();
345                } else {
346                    // video
347
348                    int32_t width, height;
349                    CHECK(codecRequest->findInt32("width", &width));
350                    CHECK(codecRequest->findInt32("height", &height));
351
352                    int32_t cropLeft, cropTop, cropRight, cropBottom;
353                    CHECK(codecRequest->findRect(
354                                "crop",
355                                &cropLeft, &cropTop, &cropRight, &cropBottom));
356
357                    LOGV("Video output format changed to %d x %d "
358                         "(crop: %d x %d @ (%d, %d))",
359                         width, height,
360                         (cropRight - cropLeft + 1),
361                         (cropBottom - cropTop + 1),
362                         cropLeft, cropTop);
363
364                    notifyListener(
365                            MEDIA_SET_VIDEO_SIZE,
366                            cropRight - cropLeft + 1,
367                            cropBottom - cropTop + 1);
368                }
369            } else if (what == ACodec::kWhatShutdownCompleted) {
370                LOGV("%s shutdown completed", audio ? "audio" : "video");
371                if (audio) {
372                    mAudioDecoder.clear();
373
374                    CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER);
375                    mFlushingAudio = SHUT_DOWN;
376                } else {
377                    mVideoDecoder.clear();
378
379                    CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER);
380                    mFlushingVideo = SHUT_DOWN;
381                }
382
383                finishFlushIfPossible();
384            } else if (what == ACodec::kWhatError) {
385                LOGE("Received error from %s decoder, aborting playback.",
386                     audio ? "audio" : "video");
387
388                mRenderer->queueEOS(audio, UNKNOWN_ERROR);
389            } else {
390                CHECK_EQ((int)what, (int)ACodec::kWhatDrainThisBuffer);
391
392                renderBuffer(audio, codecRequest);
393            }
394
395            break;
396        }
397
398        case kWhatRendererNotify:
399        {
400            int32_t what;
401            CHECK(msg->findInt32("what", &what));
402
403            if (what == Renderer::kWhatEOS) {
404                int32_t audio;
405                CHECK(msg->findInt32("audio", &audio));
406
407                int32_t finalResult;
408                CHECK(msg->findInt32("finalResult", &finalResult));
409
410                if (audio) {
411                    mAudioEOS = true;
412                } else {
413                    mVideoEOS = true;
414                }
415
416                if (finalResult == ERROR_END_OF_STREAM) {
417                    LOGV("reached %s EOS", audio ? "audio" : "video");
418                } else {
419                    LOGE("%s track encountered an error (%d)",
420                         audio ? "audio" : "video", finalResult);
421
422                    notifyListener(
423                            MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult);
424                }
425
426                if ((mAudioEOS || mAudioDecoder == NULL)
427                        && (mVideoEOS || mVideoDecoder == NULL)) {
428                    notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
429                }
430            } else if (what == Renderer::kWhatPosition) {
431                int64_t positionUs;
432                CHECK(msg->findInt64("positionUs", &positionUs));
433
434                CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs));
435
436                if (mDriver != NULL) {
437                    sp<NuPlayerDriver> driver = mDriver.promote();
438                    if (driver != NULL) {
439                        driver->notifyPosition(positionUs);
440
441                        driver->notifyFrameStats(
442                                mNumFramesTotal, mNumFramesDropped);
443                    }
444                }
445            } else if (what == Renderer::kWhatFlushComplete) {
446                CHECK_EQ(what, (int32_t)Renderer::kWhatFlushComplete);
447
448                int32_t audio;
449                CHECK(msg->findInt32("audio", &audio));
450
451                LOGV("renderer %s flush completed.", audio ? "audio" : "video");
452            }
453            break;
454        }
455
456        case kWhatMoreDataQueued:
457        {
458            break;
459        }
460
461        case kWhatReset:
462        {
463            LOGV("kWhatReset");
464
465            if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
466                // We're currently flushing, postpone the reset until that's
467                // completed.
468
469                LOGV("postponing reset");
470
471                mResetPostponed = true;
472                break;
473            }
474
475            if (mAudioDecoder == NULL && mVideoDecoder == NULL) {
476                finishReset();
477                break;
478            }
479
480            if (mAudioDecoder != NULL) {
481                flushDecoder(true /* audio */, true /* needShutdown */);
482            }
483
484            if (mVideoDecoder != NULL) {
485                flushDecoder(false /* audio */, true /* needShutdown */);
486            }
487
488            mResetInProgress = true;
489            break;
490        }
491
492        case kWhatSeek:
493        {
494            int64_t seekTimeUs;
495            CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
496
497            LOGV("kWhatSeek seekTimeUs=%lld us (%.2f secs)",
498                 seekTimeUs, seekTimeUs / 1E6);
499
500            mSource->seekTo(seekTimeUs);
501
502            if (mDriver != NULL) {
503                sp<NuPlayerDriver> driver = mDriver.promote();
504                if (driver != NULL) {
505                    driver->notifySeekComplete();
506                }
507            }
508
509            break;
510        }
511
512        case kWhatPause:
513        {
514            CHECK(mRenderer != NULL);
515            mRenderer->pause();
516            break;
517        }
518
519        case kWhatResume:
520        {
521            CHECK(mRenderer != NULL);
522            mRenderer->resume();
523            break;
524        }
525
526        default:
527            TRESPASS();
528            break;
529    }
530}
531
532void NuPlayer::finishFlushIfPossible() {
533    if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) {
534        return;
535    }
536
537    if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) {
538        return;
539    }
540
541    LOGV("both audio and video are flushed now.");
542
543    mRenderer->signalTimeDiscontinuity();
544
545    if (mAudioDecoder != NULL) {
546        mAudioDecoder->signalResume();
547    }
548
549    if (mVideoDecoder != NULL) {
550        mVideoDecoder->signalResume();
551    }
552
553    mFlushingAudio = NONE;
554    mFlushingVideo = NONE;
555
556    if (mResetInProgress) {
557        LOGV("reset completed");
558
559        mResetInProgress = false;
560        finishReset();
561    } else if (mResetPostponed) {
562        (new AMessage(kWhatReset, id()))->post();
563        mResetPostponed = false;
564    } else if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
565        postScanSources();
566    }
567}
568
569void NuPlayer::finishReset() {
570    CHECK(mAudioDecoder == NULL);
571    CHECK(mVideoDecoder == NULL);
572
573    ++mScanSourcesGeneration;
574    mScanSourcesPending = false;
575
576    mRenderer.clear();
577
578    if (mSource != NULL) {
579        mSource->stop();
580        mSource.clear();
581    }
582
583    if (mDriver != NULL) {
584        sp<NuPlayerDriver> driver = mDriver.promote();
585        if (driver != NULL) {
586            driver->notifyResetComplete();
587        }
588    }
589}
590
591void NuPlayer::postScanSources() {
592    if (mScanSourcesPending) {
593        return;
594    }
595
596    sp<AMessage> msg = new AMessage(kWhatScanSources, id());
597    msg->setInt32("generation", mScanSourcesGeneration);
598    msg->post();
599
600    mScanSourcesPending = true;
601}
602
603status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
604    if (*decoder != NULL) {
605        return OK;
606    }
607
608    sp<MetaData> meta = mSource->getFormat(audio);
609
610    if (meta == NULL) {
611        return -EWOULDBLOCK;
612    }
613
614    if (!audio) {
615        const char *mime;
616        CHECK(meta->findCString(kKeyMIMEType, &mime));
617        mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime);
618    }
619
620    sp<AMessage> notify =
621        new AMessage(audio ? kWhatAudioNotify : kWhatVideoNotify,
622                     id());
623
624    *decoder = audio ? new Decoder(notify) :
625                       new Decoder(notify, mNativeWindow);
626    looper()->registerHandler(*decoder);
627
628    (*decoder)->configure(meta);
629
630    int64_t durationUs;
631    if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) {
632        sp<NuPlayerDriver> driver = mDriver.promote();
633        if (driver != NULL) {
634            driver->notifyDuration(durationUs);
635        }
636    }
637
638    return OK;
639}
640
641status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) {
642    sp<AMessage> reply;
643    CHECK(msg->findMessage("reply", &reply));
644
645    if ((audio && IsFlushingState(mFlushingAudio))
646            || (!audio && IsFlushingState(mFlushingVideo))) {
647        reply->setInt32("err", INFO_DISCONTINUITY);
648        reply->post();
649        return OK;
650    }
651
652    sp<ABuffer> accessUnit;
653
654    bool dropAccessUnit;
655    do {
656        status_t err = mSource->dequeueAccessUnit(audio, &accessUnit);
657
658        if (err == -EWOULDBLOCK) {
659            return err;
660        } else if (err != OK) {
661            if (err == INFO_DISCONTINUITY) {
662                int32_t type;
663                CHECK(accessUnit->meta()->findInt32("discontinuity", &type));
664
665                bool formatChange =
666                    type == ATSParser::DISCONTINUITY_FORMATCHANGE;
667
668                LOGV("%s discontinuity (formatChange=%d)",
669                     audio ? "audio" : "video", formatChange);
670
671                if (audio) {
672                    mSkipRenderingAudioUntilMediaTimeUs = -1;
673                } else {
674                    mSkipRenderingVideoUntilMediaTimeUs = -1;
675                }
676
677                sp<AMessage> extra;
678                if (accessUnit->meta()->findMessage("extra", &extra)
679                        && extra != NULL) {
680                    int64_t resumeAtMediaTimeUs;
681                    if (extra->findInt64(
682                                "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) {
683                        LOGI("suppressing rendering of %s until %lld us",
684                                audio ? "audio" : "video", resumeAtMediaTimeUs);
685
686                        if (audio) {
687                            mSkipRenderingAudioUntilMediaTimeUs =
688                                resumeAtMediaTimeUs;
689                        } else {
690                            mSkipRenderingVideoUntilMediaTimeUs =
691                                resumeAtMediaTimeUs;
692                        }
693                    }
694                }
695
696                flushDecoder(audio, formatChange);
697            }
698
699            reply->setInt32("err", err);
700            reply->post();
701            return OK;
702        }
703
704        if (!audio) {
705            ++mNumFramesTotal;
706        }
707
708        dropAccessUnit = false;
709        if (!audio
710                && mVideoLateByUs > 100000ll
711                && mVideoIsAVC
712                && !IsAVCReferenceFrame(accessUnit)) {
713            dropAccessUnit = true;
714            ++mNumFramesDropped;
715        }
716    } while (dropAccessUnit);
717
718    // LOGV("returned a valid buffer of %s data", audio ? "audio" : "video");
719
720#if 0
721    int64_t mediaTimeUs;
722    CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs));
723    LOGV("feeding %s input buffer at media time %.2f secs",
724         audio ? "audio" : "video",
725         mediaTimeUs / 1E6);
726#endif
727
728    reply->setObject("buffer", accessUnit);
729    reply->post();
730
731    return OK;
732}
733
734void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) {
735    // LOGV("renderBuffer %s", audio ? "audio" : "video");
736
737    sp<AMessage> reply;
738    CHECK(msg->findMessage("reply", &reply));
739
740    if (IsFlushingState(audio ? mFlushingAudio : mFlushingVideo)) {
741        // We're currently attempting to flush the decoder, in order
742        // to complete this, the decoder wants all its buffers back,
743        // so we don't want any output buffers it sent us (from before
744        // we initiated the flush) to be stuck in the renderer's queue.
745
746        LOGV("we're still flushing the %s decoder, sending its output buffer"
747             " right back.", audio ? "audio" : "video");
748
749        reply->post();
750        return;
751    }
752
753    sp<RefBase> obj;
754    CHECK(msg->findObject("buffer", &obj));
755
756    sp<ABuffer> buffer = static_cast<ABuffer *>(obj.get());
757
758    int64_t &skipUntilMediaTimeUs =
759        audio
760            ? mSkipRenderingAudioUntilMediaTimeUs
761            : mSkipRenderingVideoUntilMediaTimeUs;
762
763    if (skipUntilMediaTimeUs >= 0) {
764        int64_t mediaTimeUs;
765        CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs));
766
767        if (mediaTimeUs < skipUntilMediaTimeUs) {
768            LOGV("dropping %s buffer at time %lld as requested.",
769                 audio ? "audio" : "video",
770                 mediaTimeUs);
771
772            reply->post();
773            return;
774        }
775
776        skipUntilMediaTimeUs = -1;
777    }
778
779    mRenderer->queueBuffer(audio, buffer, reply);
780}
781
782void NuPlayer::notifyListener(int msg, int ext1, int ext2) {
783    if (mDriver == NULL) {
784        return;
785    }
786
787    sp<NuPlayerDriver> driver = mDriver.promote();
788
789    if (driver == NULL) {
790        return;
791    }
792
793    driver->notifyListener(msg, ext1, ext2);
794}
795
796void NuPlayer::flushDecoder(bool audio, bool needShutdown) {
797    // Make sure we don't continue to scan sources until we finish flushing.
798    ++mScanSourcesGeneration;
799    mScanSourcesPending = false;
800
801    (audio ? mAudioDecoder : mVideoDecoder)->signalFlush();
802    mRenderer->flush(audio);
803
804    FlushStatus newStatus =
805        needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
806
807    if (audio) {
808        CHECK(mFlushingAudio == NONE
809                || mFlushingAudio == AWAITING_DISCONTINUITY);
810
811        mFlushingAudio = newStatus;
812
813        if (mFlushingVideo == NONE) {
814            mFlushingVideo = (mVideoDecoder != NULL)
815                ? AWAITING_DISCONTINUITY
816                : FLUSHED;
817        }
818    } else {
819        CHECK(mFlushingVideo == NONE
820                || mFlushingVideo == AWAITING_DISCONTINUITY);
821
822        mFlushingVideo = newStatus;
823
824        if (mFlushingAudio == NONE) {
825            mFlushingAudio = (mAudioDecoder != NULL)
826                ? AWAITING_DISCONTINUITY
827                : FLUSHED;
828        }
829    }
830}
831
832}  // namespace android
833