MediaCodec.cpp revision e8d964e560b09eeef538629bf0b832b52f961e7a 
1/*
2 * Copyright 2012, 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 "MediaCodec"
19#include <inttypes.h>
20
21#include "include/avc_utils.h"
22#include "include/SoftwareRenderer.h"
23
24#include <binder/IBatteryStats.h>
25#include <binder/IServiceManager.h>
26#include <gui/Surface.h>
27#include <media/ICrypto.h>
28#include <media/stagefright/foundation/ABuffer.h>
29#include <media/stagefright/foundation/ADebug.h>
30#include <media/stagefright/foundation/AMessage.h>
31#include <media/stagefright/foundation/AString.h>
32#include <media/stagefright/foundation/hexdump.h>
33#include <media/stagefright/ACodec.h>
34#include <media/stagefright/BufferProducerWrapper.h>
35#include <media/stagefright/MediaCodec.h>
36#include <media/stagefright/MediaCodecList.h>
37#include <media/stagefright/MediaDefs.h>
38#include <media/stagefright/MediaErrors.h>
39#include <media/stagefright/MetaData.h>
40#include <media/stagefright/NativeWindowWrapper.h>
41#include <private/android_filesystem_config.h>
42#include <utils/Log.h>
43#include <utils/Singleton.h>
44
45namespace android {
46
47struct MediaCodec::BatteryNotifier : public Singleton<BatteryNotifier> {
48    BatteryNotifier();
49
50    void noteStartVideo();
51    void noteStopVideo();
52    void noteStartAudio();
53    void noteStopAudio();
54
55private:
56    int32_t mVideoRefCount;
57    int32_t mAudioRefCount;
58    sp<IBatteryStats> mBatteryStatService;
59};
60
61ANDROID_SINGLETON_STATIC_INSTANCE(MediaCodec::BatteryNotifier)
62
63MediaCodec::BatteryNotifier::BatteryNotifier() :
64    mVideoRefCount(0),
65    mAudioRefCount(0) {
66    // get battery service
67    const sp<IServiceManager> sm(defaultServiceManager());
68    if (sm != NULL) {
69        const String16 name("batterystats");
70        mBatteryStatService = interface_cast<IBatteryStats>(sm->getService(name));
71        if (mBatteryStatService == NULL) {
72            ALOGE("batterystats service unavailable!");
73        }
74    }
75}
76
77void MediaCodec::BatteryNotifier::noteStartVideo() {
78    if (mVideoRefCount == 0 && mBatteryStatService != NULL) {
79        mBatteryStatService->noteStartVideo(AID_MEDIA);
80    }
81    mVideoRefCount++;
82}
83
84void MediaCodec::BatteryNotifier::noteStopVideo() {
85    if (mVideoRefCount == 0) {
86        ALOGW("BatteryNotifier::noteStop(): video refcount is broken!");
87        return;
88    }
89
90    mVideoRefCount--;
91    if (mVideoRefCount == 0 && mBatteryStatService != NULL) {
92        mBatteryStatService->noteStopVideo(AID_MEDIA);
93    }
94}
95
96void MediaCodec::BatteryNotifier::noteStartAudio() {
97    if (mAudioRefCount == 0 && mBatteryStatService != NULL) {
98        mBatteryStatService->noteStartAudio(AID_MEDIA);
99    }
100    mAudioRefCount++;
101}
102
103void MediaCodec::BatteryNotifier::noteStopAudio() {
104    if (mAudioRefCount == 0) {
105        ALOGW("BatteryNotifier::noteStop(): audio refcount is broken!");
106        return;
107    }
108
109    mAudioRefCount--;
110    if (mAudioRefCount == 0 && mBatteryStatService != NULL) {
111        mBatteryStatService->noteStopAudio(AID_MEDIA);
112    }
113}
114// static
115sp<MediaCodec> MediaCodec::CreateByType(
116        const sp<ALooper> &looper, const char *mime, bool encoder, status_t *err) {
117    sp<MediaCodec> codec = new MediaCodec(looper);
118
119    const status_t ret = codec->init(mime, true /* nameIsType */, encoder);
120    if (err != NULL) {
121        *err = ret;
122    }
123    return ret == OK ? codec : NULL; // NULL deallocates codec.
124}
125
126// static
127sp<MediaCodec> MediaCodec::CreateByComponentName(
128        const sp<ALooper> &looper, const char *name, status_t *err) {
129    sp<MediaCodec> codec = new MediaCodec(looper);
130
131    const status_t ret = codec->init(name, false /* nameIsType */, false /* encoder */);
132    if (err != NULL) {
133        *err = ret;
134    }
135    return ret == OK ? codec : NULL; // NULL deallocates codec.
136}
137
138MediaCodec::MediaCodec(const sp<ALooper> &looper)
139    : mState(UNINITIALIZED),
140      mLooper(looper),
141      mCodec(NULL),
142      mReplyID(0),
143      mFlags(0),
144      mStickyError(OK),
145      mSoftRenderer(NULL),
146      mBatteryStatNotified(false),
147      mIsVideo(false),
148      mDequeueInputTimeoutGeneration(0),
149      mDequeueInputReplyID(0),
150      mDequeueOutputTimeoutGeneration(0),
151      mDequeueOutputReplyID(0),
152      mHaveInputSurface(false) {
153}
154
155MediaCodec::~MediaCodec() {
156    CHECK_EQ(mState, UNINITIALIZED);
157}
158
159// static
160status_t MediaCodec::PostAndAwaitResponse(
161        const sp<AMessage> &msg, sp<AMessage> *response) {
162    status_t err = msg->postAndAwaitResponse(response);
163
164    if (err != OK) {
165        return err;
166    }
167
168    if (!(*response)->findInt32("err", &err)) {
169        err = OK;
170    }
171
172    return err;
173}
174
175// static
176void MediaCodec::PostReplyWithError(int32_t replyID, int32_t err) {
177    sp<AMessage> response = new AMessage;
178    response->setInt32("err", err);
179    response->postReply(replyID);
180}
181
182status_t MediaCodec::init(const AString &name, bool nameIsType, bool encoder) {
183    // save init parameters for reset
184    mInitName = name;
185    mInitNameIsType = nameIsType;
186    mInitIsEncoder = encoder;
187
188    // Current video decoders do not return from OMX_FillThisBuffer
189    // quickly, violating the OpenMAX specs, until that is remedied
190    // we need to invest in an extra looper to free the main event
191    // queue.
192    mCodec = new ACodec;
193    bool needDedicatedLooper = false;
194    if (nameIsType && !strncasecmp(name.c_str(), "video/", 6)) {
195        needDedicatedLooper = true;
196    } else {
197        AString tmp = name;
198        if (tmp.endsWith(".secure")) {
199            tmp.erase(tmp.size() - 7, 7);
200        }
201        const sp<IMediaCodecList> mcl = MediaCodecList::getInstance();
202        ssize_t codecIdx = mcl->findCodecByName(tmp.c_str());
203        if (codecIdx >= 0) {
204            const sp<MediaCodecInfo> info = mcl->getCodecInfo(codecIdx);
205            Vector<AString> mimes;
206            info->getSupportedMimes(&mimes);
207            for (size_t i = 0; i < mimes.size(); i++) {
208                if (mimes[i].startsWith("video/")) {
209                    needDedicatedLooper = true;
210                    break;
211                }
212            }
213        }
214    }
215
216    if (needDedicatedLooper) {
217        if (mCodecLooper == NULL) {
218            mCodecLooper = new ALooper;
219            mCodecLooper->setName("CodecLooper");
220            mCodecLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
221        }
222
223        mCodecLooper->registerHandler(mCodec);
224    } else {
225        mLooper->registerHandler(mCodec);
226    }
227
228    mLooper->registerHandler(this);
229
230    mCodec->setNotificationMessage(new AMessage(kWhatCodecNotify, id()));
231
232    sp<AMessage> msg = new AMessage(kWhatInit, id());
233    msg->setString("name", name);
234    msg->setInt32("nameIsType", nameIsType);
235
236    if (nameIsType) {
237        msg->setInt32("encoder", encoder);
238    }
239
240    sp<AMessage> response;
241    return PostAndAwaitResponse(msg, &response);
242}
243
244status_t MediaCodec::setCallback(const sp<AMessage> &callback) {
245    sp<AMessage> msg = new AMessage(kWhatSetCallback, id());
246    msg->setMessage("callback", callback);
247
248    sp<AMessage> response;
249    return PostAndAwaitResponse(msg, &response);
250}
251
252status_t MediaCodec::configure(
253        const sp<AMessage> &format,
254        const sp<Surface> &nativeWindow,
255        const sp<ICrypto> &crypto,
256        uint32_t flags) {
257    sp<AMessage> msg = new AMessage(kWhatConfigure, id());
258
259    msg->setMessage("format", format);
260    msg->setInt32("flags", flags);
261
262    if (nativeWindow != NULL) {
263        msg->setObject(
264                "native-window",
265                new NativeWindowWrapper(nativeWindow));
266    }
267
268    if (crypto != NULL) {
269        msg->setPointer("crypto", crypto.get());
270    }
271
272    sp<AMessage> response;
273    status_t err = PostAndAwaitResponse(msg, &response);
274
275    if (err != OK && err != INVALID_OPERATION) {
276        // MediaCodec now set state to UNINITIALIZED upon any fatal error.
277        // To maintain backward-compatibility, do a reset() to put codec
278        // back into INITIALIZED state.
279        // But don't reset if the err is INVALID_OPERATION, which means
280        // the configure failure is due to wrong state.
281
282        ALOGE("configure failed with err 0x%08x, resetting...", err);
283        reset();
284    }
285
286    return err;
287}
288
289status_t MediaCodec::createInputSurface(
290        sp<IGraphicBufferProducer>* bufferProducer) {
291    sp<AMessage> msg = new AMessage(kWhatCreateInputSurface, id());
292
293    sp<AMessage> response;
294    status_t err = PostAndAwaitResponse(msg, &response);
295    if (err == NO_ERROR) {
296        // unwrap the sp<IGraphicBufferProducer>
297        sp<RefBase> obj;
298        bool found = response->findObject("input-surface", &obj);
299        CHECK(found);
300        sp<BufferProducerWrapper> wrapper(
301                static_cast<BufferProducerWrapper*>(obj.get()));
302        *bufferProducer = wrapper->getBufferProducer();
303    } else {
304        ALOGW("createInputSurface failed, err=%d", err);
305    }
306    return err;
307}
308
309status_t MediaCodec::start() {
310    sp<AMessage> msg = new AMessage(kWhatStart, id());
311
312    sp<AMessage> response;
313    return PostAndAwaitResponse(msg, &response);
314}
315
316status_t MediaCodec::stop() {
317    sp<AMessage> msg = new AMessage(kWhatStop, id());
318
319    sp<AMessage> response;
320    return PostAndAwaitResponse(msg, &response);
321}
322
323status_t MediaCodec::release() {
324    sp<AMessage> msg = new AMessage(kWhatRelease, id());
325
326    sp<AMessage> response;
327    return PostAndAwaitResponse(msg, &response);
328}
329
330status_t MediaCodec::reset() {
331    /* When external-facing MediaCodec object is created,
332       it is already initialized.  Thus, reset is essentially
333       release() followed by init(), plus clearing the state */
334
335    status_t err = release();
336
337    // unregister handlers
338    if (mCodec != NULL) {
339        if (mCodecLooper != NULL) {
340            mCodecLooper->unregisterHandler(mCodec->id());
341        } else {
342            mLooper->unregisterHandler(mCodec->id());
343        }
344        mCodec = NULL;
345    }
346    mLooper->unregisterHandler(id());
347
348    mFlags = 0;    // clear all flags
349    mStickyError = OK;
350
351    // reset state not reset by setState(UNINITIALIZED)
352    mReplyID = 0;
353    mDequeueInputReplyID = 0;
354    mDequeueOutputReplyID = 0;
355    mDequeueInputTimeoutGeneration = 0;
356    mDequeueOutputTimeoutGeneration = 0;
357    mHaveInputSurface = false;
358
359    if (err == OK) {
360        err = init(mInitName, mInitNameIsType, mInitIsEncoder);
361    }
362    return err;
363}
364
365status_t MediaCodec::queueInputBuffer(
366        size_t index,
367        size_t offset,
368        size_t size,
369        int64_t presentationTimeUs,
370        uint32_t flags,
371        AString *errorDetailMsg) {
372    if (errorDetailMsg != NULL) {
373        errorDetailMsg->clear();
374    }
375
376    sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id());
377    msg->setSize("index", index);
378    msg->setSize("offset", offset);
379    msg->setSize("size", size);
380    msg->setInt64("timeUs", presentationTimeUs);
381    msg->setInt32("flags", flags);
382    msg->setPointer("errorDetailMsg", errorDetailMsg);
383
384    sp<AMessage> response;
385    return PostAndAwaitResponse(msg, &response);
386}
387
388status_t MediaCodec::queueSecureInputBuffer(
389        size_t index,
390        size_t offset,
391        const CryptoPlugin::SubSample *subSamples,
392        size_t numSubSamples,
393        const uint8_t key[16],
394        const uint8_t iv[16],
395        CryptoPlugin::Mode mode,
396        int64_t presentationTimeUs,
397        uint32_t flags,
398        AString *errorDetailMsg) {
399    if (errorDetailMsg != NULL) {
400        errorDetailMsg->clear();
401    }
402
403    sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id());
404    msg->setSize("index", index);
405    msg->setSize("offset", offset);
406    msg->setPointer("subSamples", (void *)subSamples);
407    msg->setSize("numSubSamples", numSubSamples);
408    msg->setPointer("key", (void *)key);
409    msg->setPointer("iv", (void *)iv);
410    msg->setInt32("mode", mode);
411    msg->setInt64("timeUs", presentationTimeUs);
412    msg->setInt32("flags", flags);
413    msg->setPointer("errorDetailMsg", errorDetailMsg);
414
415    sp<AMessage> response;
416    status_t err = PostAndAwaitResponse(msg, &response);
417
418    return err;
419}
420
421status_t MediaCodec::dequeueInputBuffer(size_t *index, int64_t timeoutUs) {
422    sp<AMessage> msg = new AMessage(kWhatDequeueInputBuffer, id());
423    msg->setInt64("timeoutUs", timeoutUs);
424
425    sp<AMessage> response;
426    status_t err;
427    if ((err = PostAndAwaitResponse(msg, &response)) != OK) {
428        return err;
429    }
430
431    CHECK(response->findSize("index", index));
432
433    return OK;
434}
435
436status_t MediaCodec::dequeueOutputBuffer(
437        size_t *index,
438        size_t *offset,
439        size_t *size,
440        int64_t *presentationTimeUs,
441        uint32_t *flags,
442        int64_t timeoutUs) {
443    sp<AMessage> msg = new AMessage(kWhatDequeueOutputBuffer, id());
444    msg->setInt64("timeoutUs", timeoutUs);
445
446    sp<AMessage> response;
447    status_t err;
448    if ((err = PostAndAwaitResponse(msg, &response)) != OK) {
449        return err;
450    }
451
452    CHECK(response->findSize("index", index));
453    CHECK(response->findSize("offset", offset));
454    CHECK(response->findSize("size", size));
455    CHECK(response->findInt64("timeUs", presentationTimeUs));
456    CHECK(response->findInt32("flags", (int32_t *)flags));
457
458    return OK;
459}
460
461status_t MediaCodec::renderOutputBufferAndRelease(size_t index) {
462    sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id());
463    msg->setSize("index", index);
464    msg->setInt32("render", true);
465
466    sp<AMessage> response;
467    return PostAndAwaitResponse(msg, &response);
468}
469
470status_t MediaCodec::renderOutputBufferAndRelease(size_t index, int64_t timestampNs) {
471    sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id());
472    msg->setSize("index", index);
473    msg->setInt32("render", true);
474    msg->setInt64("timestampNs", timestampNs);
475
476    sp<AMessage> response;
477    return PostAndAwaitResponse(msg, &response);
478}
479
480status_t MediaCodec::releaseOutputBuffer(size_t index) {
481    sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id());
482    msg->setSize("index", index);
483
484    sp<AMessage> response;
485    return PostAndAwaitResponse(msg, &response);
486}
487
488status_t MediaCodec::signalEndOfInputStream() {
489    sp<AMessage> msg = new AMessage(kWhatSignalEndOfInputStream, id());
490
491    sp<AMessage> response;
492    return PostAndAwaitResponse(msg, &response);
493}
494
495status_t MediaCodec::getOutputFormat(sp<AMessage> *format) const {
496    sp<AMessage> msg = new AMessage(kWhatGetOutputFormat, id());
497
498    sp<AMessage> response;
499    status_t err;
500    if ((err = PostAndAwaitResponse(msg, &response)) != OK) {
501        return err;
502    }
503
504    CHECK(response->findMessage("format", format));
505
506    return OK;
507}
508
509status_t MediaCodec::getInputFormat(sp<AMessage> *format) const {
510    sp<AMessage> msg = new AMessage(kWhatGetInputFormat, id());
511
512    sp<AMessage> response;
513    status_t err;
514    if ((err = PostAndAwaitResponse(msg, &response)) != OK) {
515        return err;
516    }
517
518    CHECK(response->findMessage("format", format));
519
520    return OK;
521}
522
523status_t MediaCodec::getName(AString *name) const {
524    sp<AMessage> msg = new AMessage(kWhatGetName, id());
525
526    sp<AMessage> response;
527    status_t err;
528    if ((err = PostAndAwaitResponse(msg, &response)) != OK) {
529        return err;
530    }
531
532    CHECK(response->findString("name", name));
533
534    return OK;
535}
536
537status_t MediaCodec::getInputBuffers(Vector<sp<ABuffer> > *buffers) const {
538    sp<AMessage> msg = new AMessage(kWhatGetBuffers, id());
539    msg->setInt32("portIndex", kPortIndexInput);
540    msg->setPointer("buffers", buffers);
541
542    sp<AMessage> response;
543    return PostAndAwaitResponse(msg, &response);
544}
545
546status_t MediaCodec::getOutputBuffers(Vector<sp<ABuffer> > *buffers) const {
547    sp<AMessage> msg = new AMessage(kWhatGetBuffers, id());
548    msg->setInt32("portIndex", kPortIndexOutput);
549    msg->setPointer("buffers", buffers);
550
551    sp<AMessage> response;
552    return PostAndAwaitResponse(msg, &response);
553}
554
555status_t MediaCodec::getOutputBuffer(size_t index, sp<ABuffer> *buffer) {
556    sp<AMessage> format;
557    return getBufferAndFormat(kPortIndexOutput, index, buffer, &format);
558}
559
560status_t MediaCodec::getOutputFormat(size_t index, sp<AMessage> *format) {
561    sp<ABuffer> buffer;
562    return getBufferAndFormat(kPortIndexOutput, index, &buffer, format);
563}
564
565status_t MediaCodec::getInputBuffer(size_t index, sp<ABuffer> *buffer) {
566    sp<AMessage> format;
567    return getBufferAndFormat(kPortIndexInput, index, buffer, &format);
568}
569
570bool MediaCodec::isExecuting() const {
571    return mState == STARTED || mState == FLUSHED;
572}
573
574status_t MediaCodec::getBufferAndFormat(
575        size_t portIndex, size_t index,
576        sp<ABuffer> *buffer, sp<AMessage> *format) {
577    // use mutex instead of a context switch
578
579    buffer->clear();
580    format->clear();
581    if (!isExecuting()) {
582        return INVALID_OPERATION;
583    }
584
585    // we do not want mPortBuffers to change during this section
586    // we also don't want mOwnedByClient to change during this
587    Mutex::Autolock al(mBufferLock);
588    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
589    if (index < buffers->size()) {
590        const BufferInfo &info = buffers->itemAt(index);
591        if (info.mOwnedByClient) {
592            // by the time buffers array is initialized, crypto is set
593            if (portIndex == kPortIndexInput && mCrypto != NULL) {
594                *buffer = info.mEncryptedData;
595            } else {
596                *buffer = info.mData;
597            }
598            *format = info.mFormat;
599        }
600    }
601    return OK;
602}
603
604status_t MediaCodec::flush() {
605    sp<AMessage> msg = new AMessage(kWhatFlush, id());
606
607    sp<AMessage> response;
608    return PostAndAwaitResponse(msg, &response);
609}
610
611status_t MediaCodec::requestIDRFrame() {
612    (new AMessage(kWhatRequestIDRFrame, id()))->post();
613
614    return OK;
615}
616
617void MediaCodec::requestActivityNotification(const sp<AMessage> &notify) {
618    sp<AMessage> msg = new AMessage(kWhatRequestActivityNotification, id());
619    msg->setMessage("notify", notify);
620    msg->post();
621}
622
623////////////////////////////////////////////////////////////////////////////////
624
625void MediaCodec::cancelPendingDequeueOperations() {
626    if (mFlags & kFlagDequeueInputPending) {
627        PostReplyWithError(mDequeueInputReplyID, INVALID_OPERATION);
628
629        ++mDequeueInputTimeoutGeneration;
630        mDequeueInputReplyID = 0;
631        mFlags &= ~kFlagDequeueInputPending;
632    }
633
634    if (mFlags & kFlagDequeueOutputPending) {
635        PostReplyWithError(mDequeueOutputReplyID, INVALID_OPERATION);
636
637        ++mDequeueOutputTimeoutGeneration;
638        mDequeueOutputReplyID = 0;
639        mFlags &= ~kFlagDequeueOutputPending;
640    }
641}
642
643bool MediaCodec::handleDequeueInputBuffer(uint32_t replyID, bool newRequest) {
644    if (!isExecuting() || (mFlags & kFlagIsAsync)
645            || (newRequest && (mFlags & kFlagDequeueInputPending))) {
646        PostReplyWithError(replyID, INVALID_OPERATION);
647        return true;
648    } else if (mFlags & kFlagStickyError) {
649        PostReplyWithError(replyID, getStickyError());
650        return true;
651    }
652
653    ssize_t index = dequeuePortBuffer(kPortIndexInput);
654
655    if (index < 0) {
656        CHECK_EQ(index, -EAGAIN);
657        return false;
658    }
659
660    sp<AMessage> response = new AMessage;
661    response->setSize("index", index);
662    response->postReply(replyID);
663
664    return true;
665}
666
667bool MediaCodec::handleDequeueOutputBuffer(uint32_t replyID, bool newRequest) {
668    sp<AMessage> response = new AMessage;
669
670    if (!isExecuting() || (mFlags & kFlagIsAsync)
671            || (newRequest && (mFlags & kFlagDequeueOutputPending))) {
672        response->setInt32("err", INVALID_OPERATION);
673    } else if (mFlags & kFlagStickyError) {
674        response->setInt32("err", getStickyError());
675    } else if (mFlags & kFlagOutputBuffersChanged) {
676        response->setInt32("err", INFO_OUTPUT_BUFFERS_CHANGED);
677        mFlags &= ~kFlagOutputBuffersChanged;
678    } else if (mFlags & kFlagOutputFormatChanged) {
679        response->setInt32("err", INFO_FORMAT_CHANGED);
680        mFlags &= ~kFlagOutputFormatChanged;
681    } else {
682        ssize_t index = dequeuePortBuffer(kPortIndexOutput);
683
684        if (index < 0) {
685            CHECK_EQ(index, -EAGAIN);
686            return false;
687        }
688
689        const sp<ABuffer> &buffer =
690            mPortBuffers[kPortIndexOutput].itemAt(index).mData;
691
692        response->setSize("index", index);
693        response->setSize("offset", buffer->offset());
694        response->setSize("size", buffer->size());
695
696        int64_t timeUs;
697        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
698
699        response->setInt64("timeUs", timeUs);
700
701        int32_t omxFlags;
702        CHECK(buffer->meta()->findInt32("omxFlags", &omxFlags));
703
704        uint32_t flags = 0;
705        if (omxFlags & OMX_BUFFERFLAG_SYNCFRAME) {
706            flags |= BUFFER_FLAG_SYNCFRAME;
707        }
708        if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) {
709            flags |= BUFFER_FLAG_CODECCONFIG;
710        }
711        if (omxFlags & OMX_BUFFERFLAG_EOS) {
712            flags |= BUFFER_FLAG_EOS;
713        }
714
715        response->setInt32("flags", flags);
716    }
717
718    response->postReply(replyID);
719
720    return true;
721}
722
723void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {
724    switch (msg->what()) {
725        case kWhatCodecNotify:
726        {
727            int32_t what;
728            CHECK(msg->findInt32("what", &what));
729
730            switch (what) {
731                case CodecBase::kWhatError:
732                {
733                    int32_t err, actionCode;
734                    CHECK(msg->findInt32("err", &err));
735                    CHECK(msg->findInt32("actionCode", &actionCode));
736
737                    ALOGE("Codec reported err %#x, actionCode %d, while in state %d",
738                            err, actionCode, mState);
739                    if (err == DEAD_OBJECT) {
740                        mFlags |= kFlagSawMediaServerDie;
741                    }
742
743                    bool sendErrorResponse = true;
744
745                    switch (mState) {
746                        case INITIALIZING:
747                        {
748                            setState(UNINITIALIZED);
749                            break;
750                        }
751
752                        case CONFIGURING:
753                        {
754                            setState(actionCode == ACTION_CODE_FATAL ?
755                                    UNINITIALIZED : INITIALIZED);
756                            break;
757                        }
758
759                        case STARTING:
760                        {
761                            setState(actionCode == ACTION_CODE_FATAL ?
762                                    UNINITIALIZED : CONFIGURED);
763                            break;
764                        }
765
766                        case STOPPING:
767                        case RELEASING:
768                        {
769                            // Ignore the error, assuming we'll still get
770                            // the shutdown complete notification.
771
772                            sendErrorResponse = false;
773
774                            if (mFlags & kFlagSawMediaServerDie) {
775                                // MediaServer died, there definitely won't
776                                // be a shutdown complete notification after
777                                // all.
778
779                                // note that we're directly going from
780                                // STOPPING->UNINITIALIZED, instead of the
781                                // usual STOPPING->INITIALIZED state.
782                                setState(UNINITIALIZED);
783
784                                (new AMessage)->postReply(mReplyID);
785                            }
786                            break;
787                        }
788
789                        case FLUSHING:
790                        {
791                            if (actionCode == ACTION_CODE_FATAL) {
792                                setState(UNINITIALIZED);
793                            } else {
794                                setState(
795                                        (mFlags & kFlagIsAsync) ? FLUSHED : STARTED);
796                            }
797                            break;
798                        }
799
800                        case FLUSHED:
801                        case STARTED:
802                        {
803                            sendErrorResponse = false;
804
805                            setStickyError(err);
806                            postActivityNotificationIfPossible();
807
808                            cancelPendingDequeueOperations();
809
810                            if (mFlags & kFlagIsAsync) {
811                                onError(err, actionCode);
812                            }
813                            switch (actionCode) {
814                            case ACTION_CODE_TRANSIENT:
815                                break;
816                            case ACTION_CODE_RECOVERABLE:
817                                setState(INITIALIZED);
818                                break;
819                            default:
820                                setState(UNINITIALIZED);
821                                break;
822                            }
823                            break;
824                        }
825
826                        default:
827                        {
828                            sendErrorResponse = false;
829
830                            setStickyError(err);
831                            postActivityNotificationIfPossible();
832
833                            // actionCode in an uninitialized state is always fatal.
834                            if (mState == UNINITIALIZED) {
835                                actionCode = ACTION_CODE_FATAL;
836                            }
837                            if (mFlags & kFlagIsAsync) {
838                                onError(err, actionCode);
839                            }
840                            switch (actionCode) {
841                            case ACTION_CODE_TRANSIENT:
842                                break;
843                            case ACTION_CODE_RECOVERABLE:
844                                setState(INITIALIZED);
845                                break;
846                            default:
847                                setState(UNINITIALIZED);
848                                break;
849                            }
850                            break;
851                        }
852                    }
853
854                    if (sendErrorResponse) {
855                        PostReplyWithError(mReplyID, err);
856                    }
857                    break;
858                }
859
860                case CodecBase::kWhatComponentAllocated:
861                {
862                    CHECK_EQ(mState, INITIALIZING);
863                    setState(INITIALIZED);
864
865                    CHECK(msg->findString("componentName", &mComponentName));
866
867                    if (mComponentName.startsWith("OMX.google.")) {
868                        mFlags |= kFlagIsSoftwareCodec;
869                    } else {
870                        mFlags &= ~kFlagIsSoftwareCodec;
871                    }
872
873                    if (mComponentName.endsWith(".secure")) {
874                        mFlags |= kFlagIsSecure;
875                    } else {
876                        mFlags &= ~kFlagIsSecure;
877                    }
878
879                    (new AMessage)->postReply(mReplyID);
880                    break;
881                }
882
883                case CodecBase::kWhatComponentConfigured:
884                {
885                    CHECK_EQ(mState, CONFIGURING);
886
887                    // reset input surface flag
888                    mHaveInputSurface = false;
889
890                    CHECK(msg->findMessage("input-format", &mInputFormat));
891                    CHECK(msg->findMessage("output-format", &mOutputFormat));
892
893                    setState(CONFIGURED);
894                    (new AMessage)->postReply(mReplyID);
895                    break;
896                }
897
898                case CodecBase::kWhatInputSurfaceCreated:
899                {
900                    // response to initiateCreateInputSurface()
901                    status_t err = NO_ERROR;
902                    sp<AMessage> response = new AMessage();
903                    if (!msg->findInt32("err", &err)) {
904                        sp<RefBase> obj;
905                        msg->findObject("input-surface", &obj);
906                        CHECK(obj != NULL);
907                        response->setObject("input-surface", obj);
908                        mHaveInputSurface = true;
909                    } else {
910                        response->setInt32("err", err);
911                    }
912                    response->postReply(mReplyID);
913                    break;
914                }
915
916                case CodecBase::kWhatSignaledInputEOS:
917                {
918                    // response to signalEndOfInputStream()
919                    sp<AMessage> response = new AMessage();
920                    status_t err;
921                    if (msg->findInt32("err", &err)) {
922                        response->setInt32("err", err);
923                    }
924                    response->postReply(mReplyID);
925                    break;
926                }
927
928
929                case CodecBase::kWhatBuffersAllocated:
930                {
931                    Mutex::Autolock al(mBufferLock);
932                    int32_t portIndex;
933                    CHECK(msg->findInt32("portIndex", &portIndex));
934
935                    ALOGV("%s buffers allocated",
936                          portIndex == kPortIndexInput ? "input" : "output");
937
938                    CHECK(portIndex == kPortIndexInput
939                            || portIndex == kPortIndexOutput);
940
941                    mPortBuffers[portIndex].clear();
942
943                    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
944
945                    sp<RefBase> obj;
946                    CHECK(msg->findObject("portDesc", &obj));
947
948                    sp<CodecBase::PortDescription> portDesc =
949                        static_cast<CodecBase::PortDescription *>(obj.get());
950
951                    size_t numBuffers = portDesc->countBuffers();
952
953                    for (size_t i = 0; i < numBuffers; ++i) {
954                        BufferInfo info;
955                        info.mBufferID = portDesc->bufferIDAt(i);
956                        info.mOwnedByClient = false;
957                        info.mData = portDesc->bufferAt(i);
958
959                        if (portIndex == kPortIndexInput && mCrypto != NULL) {
960                            info.mEncryptedData =
961                                new ABuffer(info.mData->capacity());
962                        }
963
964                        buffers->push_back(info);
965                    }
966
967                    if (portIndex == kPortIndexOutput) {
968                        if (mState == STARTING) {
969                            // We're always allocating output buffers after
970                            // allocating input buffers, so this is a good
971                            // indication that now all buffers are allocated.
972                            setState(STARTED);
973                            (new AMessage)->postReply(mReplyID);
974                        } else {
975                            mFlags |= kFlagOutputBuffersChanged;
976                            postActivityNotificationIfPossible();
977                        }
978                    }
979                    break;
980                }
981
982                case CodecBase::kWhatOutputFormatChanged:
983                {
984                    ALOGV("codec output format changed");
985
986                    if (mSoftRenderer == NULL &&
987                            mNativeWindow != NULL &&
988                            (mFlags & kFlagIsSoftwareCodec)) {
989                        AString mime;
990                        CHECK(msg->findString("mime", &mime));
991
992                        if (mime.startsWithIgnoreCase("video/")) {
993                            mSoftRenderer = new SoftwareRenderer(mNativeWindow);
994                        }
995                    }
996
997                    mOutputFormat = msg;
998
999                    if (mFlags & kFlagIsEncoder) {
1000                        // Before we announce the format change we should
1001                        // collect codec specific data and amend the output
1002                        // format as necessary.
1003                        mFlags |= kFlagGatherCodecSpecificData;
1004                    } else if (mFlags & kFlagIsAsync) {
1005                        onOutputFormatChanged();
1006                    } else {
1007                        mFlags |= kFlagOutputFormatChanged;
1008                        postActivityNotificationIfPossible();
1009                    }
1010                    break;
1011                }
1012
1013                case CodecBase::kWhatFillThisBuffer:
1014                {
1015                    /* size_t index = */updateBuffers(kPortIndexInput, msg);
1016
1017                    if (mState == FLUSHING
1018                            || mState == STOPPING
1019                            || mState == RELEASING) {
1020                        returnBuffersToCodecOnPort(kPortIndexInput);
1021                        break;
1022                    }
1023
1024                    if (!mCSD.empty()) {
1025                        ssize_t index = dequeuePortBuffer(kPortIndexInput);
1026                        CHECK_GE(index, 0);
1027
1028                        // If codec specific data had been specified as
1029                        // part of the format in the call to configure and
1030                        // if there's more csd left, we submit it here
1031                        // clients only get access to input buffers once
1032                        // this data has been exhausted.
1033
1034                        status_t err = queueCSDInputBuffer(index);
1035
1036                        if (err != OK) {
1037                            ALOGE("queueCSDInputBuffer failed w/ error %d",
1038                                  err);
1039
1040                            setStickyError(err);
1041                            postActivityNotificationIfPossible();
1042
1043                            cancelPendingDequeueOperations();
1044                        }
1045                        break;
1046                    }
1047
1048                    if (mFlags & kFlagIsAsync) {
1049                        onInputBufferAvailable();
1050                    } else if (mFlags & kFlagDequeueInputPending) {
1051                        CHECK(handleDequeueInputBuffer(mDequeueInputReplyID));
1052
1053                        ++mDequeueInputTimeoutGeneration;
1054                        mFlags &= ~kFlagDequeueInputPending;
1055                        mDequeueInputReplyID = 0;
1056                    } else {
1057                        postActivityNotificationIfPossible();
1058                    }
1059                    break;
1060                }
1061
1062                case CodecBase::kWhatDrainThisBuffer:
1063                {
1064                    /* size_t index = */updateBuffers(kPortIndexOutput, msg);
1065
1066                    if (mState == FLUSHING
1067                            || mState == STOPPING
1068                            || mState == RELEASING) {
1069                        returnBuffersToCodecOnPort(kPortIndexOutput);
1070                        break;
1071                    }
1072
1073                    sp<ABuffer> buffer;
1074                    CHECK(msg->findBuffer("buffer", &buffer));
1075
1076                    int32_t omxFlags;
1077                    CHECK(msg->findInt32("flags", &omxFlags));
1078
1079                    buffer->meta()->setInt32("omxFlags", omxFlags);
1080
1081                    if (mFlags & kFlagGatherCodecSpecificData) {
1082                        // This is the very first output buffer after a
1083                        // format change was signalled, it'll either contain
1084                        // the one piece of codec specific data we can expect
1085                        // or there won't be codec specific data.
1086                        if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) {
1087                            status_t err =
1088                                amendOutputFormatWithCodecSpecificData(buffer);
1089
1090                            if (err != OK) {
1091                                ALOGE("Codec spit out malformed codec "
1092                                      "specific data!");
1093                            }
1094                        }
1095
1096                        mFlags &= ~kFlagGatherCodecSpecificData;
1097                        if (mFlags & kFlagIsAsync) {
1098                            onOutputFormatChanged();
1099                        } else {
1100                            mFlags |= kFlagOutputFormatChanged;
1101                        }
1102                    }
1103
1104                    if (mFlags & kFlagIsAsync) {
1105                        onOutputBufferAvailable();
1106                    } else if (mFlags & kFlagDequeueOutputPending) {
1107                        CHECK(handleDequeueOutputBuffer(mDequeueOutputReplyID));
1108
1109                        ++mDequeueOutputTimeoutGeneration;
1110                        mFlags &= ~kFlagDequeueOutputPending;
1111                        mDequeueOutputReplyID = 0;
1112                    } else {
1113                        postActivityNotificationIfPossible();
1114                    }
1115
1116                    break;
1117                }
1118
1119                case CodecBase::kWhatEOS:
1120                {
1121                    // We already notify the client of this by using the
1122                    // corresponding flag in "onOutputBufferReady".
1123                    break;
1124                }
1125
1126                case CodecBase::kWhatShutdownCompleted:
1127                {
1128                    if (mState == STOPPING) {
1129                        setState(INITIALIZED);
1130                    } else {
1131                        CHECK_EQ(mState, RELEASING);
1132                        setState(UNINITIALIZED);
1133                    }
1134
1135                    (new AMessage)->postReply(mReplyID);
1136                    break;
1137                }
1138
1139                case CodecBase::kWhatFlushCompleted:
1140                {
1141                    if (mState != FLUSHING) {
1142                        ALOGW("received FlushCompleted message in state %d",
1143                                mState);
1144                        break;
1145                    }
1146
1147                    if (mFlags & kFlagIsAsync) {
1148                        setState(FLUSHED);
1149                    } else {
1150                        setState(STARTED);
1151                        mCodec->signalResume();
1152                    }
1153
1154                    (new AMessage)->postReply(mReplyID);
1155                    break;
1156                }
1157
1158                default:
1159                    TRESPASS();
1160            }
1161            break;
1162        }
1163
1164        case kWhatInit:
1165        {
1166            uint32_t replyID;
1167            CHECK(msg->senderAwaitsResponse(&replyID));
1168
1169            if (mState != UNINITIALIZED) {
1170                PostReplyWithError(replyID, INVALID_OPERATION);
1171                break;
1172            }
1173
1174            mReplyID = replyID;
1175            setState(INITIALIZING);
1176
1177            AString name;
1178            CHECK(msg->findString("name", &name));
1179
1180            int32_t nameIsType;
1181            int32_t encoder = false;
1182            CHECK(msg->findInt32("nameIsType", &nameIsType));
1183            if (nameIsType) {
1184                CHECK(msg->findInt32("encoder", &encoder));
1185            }
1186
1187            sp<AMessage> format = new AMessage;
1188
1189            if (nameIsType) {
1190                format->setString("mime", name.c_str());
1191                format->setInt32("encoder", encoder);
1192            } else {
1193                format->setString("componentName", name.c_str());
1194            }
1195
1196            mCodec->initiateAllocateComponent(format);
1197            break;
1198        }
1199
1200        case kWhatSetCallback:
1201        {
1202            uint32_t replyID;
1203            CHECK(msg->senderAwaitsResponse(&replyID));
1204
1205            if (mState == UNINITIALIZED
1206                    || mState == INITIALIZING
1207                    || isExecuting()) {
1208                // callback can't be set after codec is executing,
1209                // or before it's initialized (as the callback
1210                // will be cleared when it goes to INITIALIZED)
1211                PostReplyWithError(replyID, INVALID_OPERATION);
1212                break;
1213            }
1214
1215            sp<AMessage> callback;
1216            CHECK(msg->findMessage("callback", &callback));
1217
1218            mCallback = callback;
1219
1220            if (mCallback != NULL) {
1221                ALOGI("MediaCodec will operate in async mode");
1222                mFlags |= kFlagIsAsync;
1223            } else {
1224                mFlags &= ~kFlagIsAsync;
1225            }
1226
1227            sp<AMessage> response = new AMessage;
1228            response->postReply(replyID);
1229            break;
1230        }
1231
1232        case kWhatConfigure:
1233        {
1234            uint32_t replyID;
1235            CHECK(msg->senderAwaitsResponse(&replyID));
1236
1237            if (mState != INITIALIZED) {
1238                PostReplyWithError(replyID, INVALID_OPERATION);
1239                break;
1240            }
1241
1242            sp<RefBase> obj;
1243            if (!msg->findObject("native-window", &obj)) {
1244                obj.clear();
1245            }
1246
1247            sp<AMessage> format;
1248            CHECK(msg->findMessage("format", &format));
1249
1250            if (obj != NULL) {
1251                format->setObject("native-window", obj);
1252
1253                status_t err = setNativeWindow(
1254                    static_cast<NativeWindowWrapper *>(obj.get())
1255                        ->getSurfaceTextureClient());
1256
1257                if (err != OK) {
1258                    PostReplyWithError(replyID, err);
1259                    break;
1260                }
1261            } else {
1262                setNativeWindow(NULL);
1263            }
1264
1265            mReplyID = replyID;
1266            setState(CONFIGURING);
1267
1268            void *crypto;
1269            if (!msg->findPointer("crypto", &crypto)) {
1270                crypto = NULL;
1271            }
1272
1273            mCrypto = static_cast<ICrypto *>(crypto);
1274
1275            uint32_t flags;
1276            CHECK(msg->findInt32("flags", (int32_t *)&flags));
1277
1278            if (flags & CONFIGURE_FLAG_ENCODE) {
1279                format->setInt32("encoder", true);
1280                mFlags |= kFlagIsEncoder;
1281            }
1282
1283            extractCSD(format);
1284
1285            mCodec->initiateConfigureComponent(format);
1286            break;
1287        }
1288
1289        case kWhatCreateInputSurface:
1290        {
1291            uint32_t replyID;
1292            CHECK(msg->senderAwaitsResponse(&replyID));
1293
1294            // Must be configured, but can't have been started yet.
1295            if (mState != CONFIGURED) {
1296                PostReplyWithError(replyID, INVALID_OPERATION);
1297                break;
1298            }
1299
1300            mReplyID = replyID;
1301            mCodec->initiateCreateInputSurface();
1302            break;
1303        }
1304
1305        case kWhatStart:
1306        {
1307            uint32_t replyID;
1308            CHECK(msg->senderAwaitsResponse(&replyID));
1309
1310            if (mState == FLUSHED) {
1311                mCodec->signalResume();
1312                PostReplyWithError(replyID, OK);
1313            } else if (mState != CONFIGURED) {
1314                PostReplyWithError(replyID, INVALID_OPERATION);
1315                break;
1316            }
1317
1318            mReplyID = replyID;
1319            setState(STARTING);
1320
1321            mCodec->initiateStart();
1322            break;
1323        }
1324
1325        case kWhatStop:
1326        case kWhatRelease:
1327        {
1328            State targetState =
1329                (msg->what() == kWhatStop) ? INITIALIZED : UNINITIALIZED;
1330
1331            uint32_t replyID;
1332            CHECK(msg->senderAwaitsResponse(&replyID));
1333
1334            if (mState != INITIALIZED
1335                    && mState != CONFIGURED && !isExecuting()) {
1336                // We may be in "UNINITIALIZED" state already without the
1337                // client being aware of this if media server died while
1338                // we were being stopped. The client would assume that
1339                // after stop() returned, it would be safe to call release()
1340                // and it should be in this case, no harm to allow a release()
1341                // if we're already uninitialized.
1342                // Similarly stopping a stopped MediaCodec should be benign.
1343                sp<AMessage> response = new AMessage;
1344                response->setInt32(
1345                        "err",
1346                        mState == targetState ? OK : INVALID_OPERATION);
1347
1348                response->postReply(replyID);
1349                break;
1350            }
1351
1352            if (mFlags & kFlagSawMediaServerDie) {
1353                // It's dead, Jim. Don't expect initiateShutdown to yield
1354                // any useful results now...
1355                setState(UNINITIALIZED);
1356                (new AMessage)->postReply(replyID);
1357                break;
1358            }
1359
1360            mReplyID = replyID;
1361            setState(msg->what() == kWhatStop ? STOPPING : RELEASING);
1362
1363            mCodec->initiateShutdown(
1364                    msg->what() == kWhatStop /* keepComponentAllocated */);
1365
1366            returnBuffersToCodec();
1367            break;
1368        }
1369
1370        case kWhatDequeueInputBuffer:
1371        {
1372            uint32_t replyID;
1373            CHECK(msg->senderAwaitsResponse(&replyID));
1374
1375            if (mFlags & kFlagIsAsync) {
1376                ALOGE("dequeueOutputBuffer can't be used in async mode");
1377                PostReplyWithError(replyID, INVALID_OPERATION);
1378                break;
1379            }
1380
1381            if (mHaveInputSurface) {
1382                ALOGE("dequeueInputBuffer can't be used with input surface");
1383                PostReplyWithError(replyID, INVALID_OPERATION);
1384                break;
1385            }
1386
1387            if (handleDequeueInputBuffer(replyID, true /* new request */)) {
1388                break;
1389            }
1390
1391            int64_t timeoutUs;
1392            CHECK(msg->findInt64("timeoutUs", &timeoutUs));
1393
1394            if (timeoutUs == 0ll) {
1395                PostReplyWithError(replyID, -EAGAIN);
1396                break;
1397            }
1398
1399            mFlags |= kFlagDequeueInputPending;
1400            mDequeueInputReplyID = replyID;
1401
1402            if (timeoutUs > 0ll) {
1403                sp<AMessage> timeoutMsg =
1404                    new AMessage(kWhatDequeueInputTimedOut, id());
1405                timeoutMsg->setInt32(
1406                        "generation", ++mDequeueInputTimeoutGeneration);
1407                timeoutMsg->post(timeoutUs);
1408            }
1409            break;
1410        }
1411
1412        case kWhatDequeueInputTimedOut:
1413        {
1414            int32_t generation;
1415            CHECK(msg->findInt32("generation", &generation));
1416
1417            if (generation != mDequeueInputTimeoutGeneration) {
1418                // Obsolete
1419                break;
1420            }
1421
1422            CHECK(mFlags & kFlagDequeueInputPending);
1423
1424            PostReplyWithError(mDequeueInputReplyID, -EAGAIN);
1425
1426            mFlags &= ~kFlagDequeueInputPending;
1427            mDequeueInputReplyID = 0;
1428            break;
1429        }
1430
1431        case kWhatQueueInputBuffer:
1432        {
1433            uint32_t replyID;
1434            CHECK(msg->senderAwaitsResponse(&replyID));
1435
1436            if (!isExecuting()) {
1437                PostReplyWithError(replyID, INVALID_OPERATION);
1438                break;
1439            } else if (mFlags & kFlagStickyError) {
1440                PostReplyWithError(replyID, getStickyError());
1441                break;
1442            }
1443
1444            status_t err = onQueueInputBuffer(msg);
1445
1446            PostReplyWithError(replyID, err);
1447            break;
1448        }
1449
1450        case kWhatDequeueOutputBuffer:
1451        {
1452            uint32_t replyID;
1453            CHECK(msg->senderAwaitsResponse(&replyID));
1454
1455            if (mFlags & kFlagIsAsync) {
1456                ALOGE("dequeueOutputBuffer can't be used in async mode");
1457                PostReplyWithError(replyID, INVALID_OPERATION);
1458                break;
1459            }
1460
1461            if (handleDequeueOutputBuffer(replyID, true /* new request */)) {
1462                break;
1463            }
1464
1465            int64_t timeoutUs;
1466            CHECK(msg->findInt64("timeoutUs", &timeoutUs));
1467
1468            if (timeoutUs == 0ll) {
1469                PostReplyWithError(replyID, -EAGAIN);
1470                break;
1471            }
1472
1473            mFlags |= kFlagDequeueOutputPending;
1474            mDequeueOutputReplyID = replyID;
1475
1476            if (timeoutUs > 0ll) {
1477                sp<AMessage> timeoutMsg =
1478                    new AMessage(kWhatDequeueOutputTimedOut, id());
1479                timeoutMsg->setInt32(
1480                        "generation", ++mDequeueOutputTimeoutGeneration);
1481                timeoutMsg->post(timeoutUs);
1482            }
1483            break;
1484        }
1485
1486        case kWhatDequeueOutputTimedOut:
1487        {
1488            int32_t generation;
1489            CHECK(msg->findInt32("generation", &generation));
1490
1491            if (generation != mDequeueOutputTimeoutGeneration) {
1492                // Obsolete
1493                break;
1494            }
1495
1496            CHECK(mFlags & kFlagDequeueOutputPending);
1497
1498            PostReplyWithError(mDequeueOutputReplyID, -EAGAIN);
1499
1500            mFlags &= ~kFlagDequeueOutputPending;
1501            mDequeueOutputReplyID = 0;
1502            break;
1503        }
1504
1505        case kWhatReleaseOutputBuffer:
1506        {
1507            uint32_t replyID;
1508            CHECK(msg->senderAwaitsResponse(&replyID));
1509
1510            if (!isExecuting()) {
1511                PostReplyWithError(replyID, INVALID_OPERATION);
1512                break;
1513            } else if (mFlags & kFlagStickyError) {
1514                PostReplyWithError(replyID, getStickyError());
1515                break;
1516            }
1517
1518            status_t err = onReleaseOutputBuffer(msg);
1519
1520            PostReplyWithError(replyID, err);
1521            break;
1522        }
1523
1524        case kWhatSignalEndOfInputStream:
1525        {
1526            uint32_t replyID;
1527            CHECK(msg->senderAwaitsResponse(&replyID));
1528
1529            if (!isExecuting()) {
1530                PostReplyWithError(replyID, INVALID_OPERATION);
1531                break;
1532            } else if (mFlags & kFlagStickyError) {
1533                PostReplyWithError(replyID, getStickyError());
1534                break;
1535            }
1536
1537            mReplyID = replyID;
1538            mCodec->signalEndOfInputStream();
1539            break;
1540        }
1541
1542        case kWhatGetBuffers:
1543        {
1544            uint32_t replyID;
1545            CHECK(msg->senderAwaitsResponse(&replyID));
1546
1547            if (!isExecuting() || (mFlags & kFlagIsAsync)) {
1548                PostReplyWithError(replyID, INVALID_OPERATION);
1549                break;
1550            } else if (mFlags & kFlagStickyError) {
1551                PostReplyWithError(replyID, getStickyError());
1552                break;
1553            }
1554
1555            int32_t portIndex;
1556            CHECK(msg->findInt32("portIndex", &portIndex));
1557
1558            Vector<sp<ABuffer> > *dstBuffers;
1559            CHECK(msg->findPointer("buffers", (void **)&dstBuffers));
1560
1561            dstBuffers->clear();
1562            const Vector<BufferInfo> &srcBuffers = mPortBuffers[portIndex];
1563
1564            for (size_t i = 0; i < srcBuffers.size(); ++i) {
1565                const BufferInfo &info = srcBuffers.itemAt(i);
1566
1567                dstBuffers->push_back(
1568                        (portIndex == kPortIndexInput && mCrypto != NULL)
1569                                ? info.mEncryptedData : info.mData);
1570            }
1571
1572            (new AMessage)->postReply(replyID);
1573            break;
1574        }
1575
1576        case kWhatFlush:
1577        {
1578            uint32_t replyID;
1579            CHECK(msg->senderAwaitsResponse(&replyID));
1580
1581            if (!isExecuting()) {
1582                PostReplyWithError(replyID, INVALID_OPERATION);
1583                break;
1584            } else if (mFlags & kFlagStickyError) {
1585                PostReplyWithError(replyID, getStickyError());
1586                break;
1587            }
1588
1589            mReplyID = replyID;
1590            // TODO: skip flushing if already FLUSHED
1591            setState(FLUSHING);
1592
1593            mCodec->signalFlush();
1594            returnBuffersToCodec();
1595            break;
1596        }
1597
1598        case kWhatGetInputFormat:
1599        case kWhatGetOutputFormat:
1600        {
1601            sp<AMessage> format =
1602                (msg->what() == kWhatGetOutputFormat ? mOutputFormat : mInputFormat);
1603
1604            uint32_t replyID;
1605            CHECK(msg->senderAwaitsResponse(&replyID));
1606
1607            if ((mState != CONFIGURED && mState != STARTING &&
1608                 mState != STARTED && mState != FLUSHING &&
1609                 mState != FLUSHED)
1610                    || format == NULL) {
1611                PostReplyWithError(replyID, INVALID_OPERATION);
1612                break;
1613            } else if (mFlags & kFlagStickyError) {
1614                PostReplyWithError(replyID, getStickyError());
1615                break;
1616            }
1617
1618            sp<AMessage> response = new AMessage;
1619            response->setMessage("format", format);
1620            response->postReply(replyID);
1621            break;
1622        }
1623
1624        case kWhatRequestIDRFrame:
1625        {
1626            mCodec->signalRequestIDRFrame();
1627            break;
1628        }
1629
1630        case kWhatRequestActivityNotification:
1631        {
1632            CHECK(mActivityNotify == NULL);
1633            CHECK(msg->findMessage("notify", &mActivityNotify));
1634
1635            postActivityNotificationIfPossible();
1636            break;
1637        }
1638
1639        case kWhatGetName:
1640        {
1641            uint32_t replyID;
1642            CHECK(msg->senderAwaitsResponse(&replyID));
1643
1644            if (mComponentName.empty()) {
1645                PostReplyWithError(replyID, INVALID_OPERATION);
1646                break;
1647            }
1648
1649            sp<AMessage> response = new AMessage;
1650            response->setString("name", mComponentName.c_str());
1651            response->postReply(replyID);
1652            break;
1653        }
1654
1655        case kWhatSetParameters:
1656        {
1657            uint32_t replyID;
1658            CHECK(msg->senderAwaitsResponse(&replyID));
1659
1660            sp<AMessage> params;
1661            CHECK(msg->findMessage("params", &params));
1662
1663            status_t err = onSetParameters(params);
1664
1665            PostReplyWithError(replyID, err);
1666            break;
1667        }
1668
1669        default:
1670            TRESPASS();
1671    }
1672}
1673
1674void MediaCodec::extractCSD(const sp<AMessage> &format) {
1675    mCSD.clear();
1676
1677    size_t i = 0;
1678    for (;;) {
1679        sp<ABuffer> csd;
1680        if (!format->findBuffer(StringPrintf("csd-%u", i).c_str(), &csd)) {
1681            break;
1682        }
1683
1684        mCSD.push_back(csd);
1685        ++i;
1686    }
1687
1688    ALOGV("Found %zu pieces of codec specific data.", mCSD.size());
1689}
1690
1691status_t MediaCodec::queueCSDInputBuffer(size_t bufferIndex) {
1692    CHECK(!mCSD.empty());
1693
1694    const BufferInfo *info =
1695        &mPortBuffers[kPortIndexInput].itemAt(bufferIndex);
1696
1697    sp<ABuffer> csd = *mCSD.begin();
1698    mCSD.erase(mCSD.begin());
1699
1700    const sp<ABuffer> &codecInputData =
1701        (mCrypto != NULL) ? info->mEncryptedData : info->mData;
1702
1703    if (csd->size() > codecInputData->capacity()) {
1704        return -EINVAL;
1705    }
1706
1707    memcpy(codecInputData->data(), csd->data(), csd->size());
1708
1709    AString errorDetailMsg;
1710
1711    sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id());
1712    msg->setSize("index", bufferIndex);
1713    msg->setSize("offset", 0);
1714    msg->setSize("size", csd->size());
1715    msg->setInt64("timeUs", 0ll);
1716    msg->setInt32("flags", BUFFER_FLAG_CODECCONFIG);
1717    msg->setPointer("errorDetailMsg", &errorDetailMsg);
1718
1719    return onQueueInputBuffer(msg);
1720}
1721
1722void MediaCodec::setState(State newState) {
1723    if (newState == INITIALIZED || newState == UNINITIALIZED) {
1724        delete mSoftRenderer;
1725        mSoftRenderer = NULL;
1726
1727        mCrypto.clear();
1728        setNativeWindow(NULL);
1729
1730        mInputFormat.clear();
1731        mOutputFormat.clear();
1732        mFlags &= ~kFlagOutputFormatChanged;
1733        mFlags &= ~kFlagOutputBuffersChanged;
1734        mFlags &= ~kFlagStickyError;
1735        mFlags &= ~kFlagIsEncoder;
1736        mFlags &= ~kFlagGatherCodecSpecificData;
1737        mFlags &= ~kFlagIsAsync;
1738        mStickyError = OK;
1739
1740        mActivityNotify.clear();
1741        mCallback.clear();
1742    }
1743
1744    if (newState == UNINITIALIZED) {
1745        // return any straggling buffers, e.g. if we got here on an error
1746        returnBuffersToCodec();
1747
1748        mComponentName.clear();
1749
1750        // The component is gone, mediaserver's probably back up already
1751        // but should definitely be back up should we try to instantiate
1752        // another component.. and the cycle continues.
1753        mFlags &= ~kFlagSawMediaServerDie;
1754    }
1755
1756    mState = newState;
1757
1758    cancelPendingDequeueOperations();
1759
1760    updateBatteryStat();
1761}
1762
1763void MediaCodec::returnBuffersToCodec() {
1764    returnBuffersToCodecOnPort(kPortIndexInput);
1765    returnBuffersToCodecOnPort(kPortIndexOutput);
1766}
1767
1768void MediaCodec::returnBuffersToCodecOnPort(int32_t portIndex) {
1769    CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput);
1770    Mutex::Autolock al(mBufferLock);
1771
1772    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1773
1774    for (size_t i = 0; i < buffers->size(); ++i) {
1775        BufferInfo *info = &buffers->editItemAt(i);
1776
1777        if (info->mNotify != NULL) {
1778            sp<AMessage> msg = info->mNotify;
1779            info->mNotify = NULL;
1780            info->mOwnedByClient = false;
1781
1782            if (portIndex == kPortIndexInput) {
1783                /* no error, just returning buffers */
1784                msg->setInt32("err", OK);
1785            }
1786            msg->post();
1787        }
1788    }
1789
1790    mAvailPortBuffers[portIndex].clear();
1791}
1792
1793size_t MediaCodec::updateBuffers(
1794        int32_t portIndex, const sp<AMessage> &msg) {
1795    CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput);
1796
1797    uint32_t bufferID;
1798    CHECK(msg->findInt32("buffer-id", (int32_t*)&bufferID));
1799
1800    Vector<BufferInfo> *buffers = &mPortBuffers[portIndex];
1801
1802    for (size_t i = 0; i < buffers->size(); ++i) {
1803        BufferInfo *info = &buffers->editItemAt(i);
1804
1805        if (info->mBufferID == bufferID) {
1806            CHECK(info->mNotify == NULL);
1807            CHECK(msg->findMessage("reply", &info->mNotify));
1808
1809            info->mFormat =
1810                (portIndex == kPortIndexInput) ? mInputFormat : mOutputFormat;
1811            mAvailPortBuffers[portIndex].push_back(i);
1812
1813            return i;
1814        }
1815    }
1816
1817    TRESPASS();
1818
1819    return 0;
1820}
1821
1822status_t MediaCodec::onQueueInputBuffer(const sp<AMessage> &msg) {
1823    size_t index;
1824    size_t offset;
1825    size_t size;
1826    int64_t timeUs;
1827    uint32_t flags;
1828    CHECK(msg->findSize("index", &index));
1829    CHECK(msg->findSize("offset", &offset));
1830    CHECK(msg->findInt64("timeUs", &timeUs));
1831    CHECK(msg->findInt32("flags", (int32_t *)&flags));
1832
1833    const CryptoPlugin::SubSample *subSamples;
1834    size_t numSubSamples;
1835    const uint8_t *key;
1836    const uint8_t *iv;
1837    CryptoPlugin::Mode mode = CryptoPlugin::kMode_Unencrypted;
1838
1839    // We allow the simpler queueInputBuffer API to be used even in
1840    // secure mode, by fabricating a single unencrypted subSample.
1841    CryptoPlugin::SubSample ss;
1842
1843    if (msg->findSize("size", &size)) {
1844        if (mCrypto != NULL) {
1845            ss.mNumBytesOfClearData = size;
1846            ss.mNumBytesOfEncryptedData = 0;
1847
1848            subSamples = &ss;
1849            numSubSamples = 1;
1850            key = NULL;
1851            iv = NULL;
1852        }
1853    } else {
1854        if (mCrypto == NULL) {
1855            return -EINVAL;
1856        }
1857
1858        CHECK(msg->findPointer("subSamples", (void **)&subSamples));
1859        CHECK(msg->findSize("numSubSamples", &numSubSamples));
1860        CHECK(msg->findPointer("key", (void **)&key));
1861        CHECK(msg->findPointer("iv", (void **)&iv));
1862
1863        int32_t tmp;
1864        CHECK(msg->findInt32("mode", &tmp));
1865
1866        mode = (CryptoPlugin::Mode)tmp;
1867
1868        size = 0;
1869        for (size_t i = 0; i < numSubSamples; ++i) {
1870            size += subSamples[i].mNumBytesOfClearData;
1871            size += subSamples[i].mNumBytesOfEncryptedData;
1872        }
1873    }
1874
1875    if (index >= mPortBuffers[kPortIndexInput].size()) {
1876        return -ERANGE;
1877    }
1878
1879    BufferInfo *info = &mPortBuffers[kPortIndexInput].editItemAt(index);
1880
1881    if (info->mNotify == NULL || !info->mOwnedByClient) {
1882        return -EACCES;
1883    }
1884
1885    if (offset + size > info->mData->capacity()) {
1886        return -EINVAL;
1887    }
1888
1889    sp<AMessage> reply = info->mNotify;
1890    info->mData->setRange(offset, size);
1891    info->mData->meta()->setInt64("timeUs", timeUs);
1892
1893    if (flags & BUFFER_FLAG_EOS) {
1894        info->mData->meta()->setInt32("eos", true);
1895    }
1896
1897    if (flags & BUFFER_FLAG_CODECCONFIG) {
1898        info->mData->meta()->setInt32("csd", true);
1899    }
1900
1901    if (mCrypto != NULL) {
1902        if (size > info->mEncryptedData->capacity()) {
1903            return -ERANGE;
1904        }
1905
1906        AString *errorDetailMsg;
1907        CHECK(msg->findPointer("errorDetailMsg", (void **)&errorDetailMsg));
1908
1909        ssize_t result = mCrypto->decrypt(
1910                (mFlags & kFlagIsSecure) != 0,
1911                key,
1912                iv,
1913                mode,
1914                info->mEncryptedData->base() + offset,
1915                subSamples,
1916                numSubSamples,
1917                info->mData->base(),
1918                errorDetailMsg);
1919
1920        if (result < 0) {
1921            return result;
1922        }
1923
1924        info->mData->setRange(0, result);
1925    }
1926
1927    // synchronization boundary for getBufferAndFormat
1928    {
1929        Mutex::Autolock al(mBufferLock);
1930        info->mOwnedByClient = false;
1931    }
1932    reply->setBuffer("buffer", info->mData);
1933    reply->post();
1934
1935    info->mNotify = NULL;
1936
1937    return OK;
1938}
1939
1940status_t MediaCodec::onReleaseOutputBuffer(const sp<AMessage> &msg) {
1941    size_t index;
1942    CHECK(msg->findSize("index", &index));
1943
1944    int32_t render;
1945    if (!msg->findInt32("render", &render)) {
1946        render = 0;
1947    }
1948
1949    if (!isExecuting()) {
1950        return -EINVAL;
1951    }
1952
1953    if (index >= mPortBuffers[kPortIndexOutput].size()) {
1954        return -ERANGE;
1955    }
1956
1957    BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index);
1958
1959    if (info->mNotify == NULL || !info->mOwnedByClient) {
1960        return -EACCES;
1961    }
1962
1963    // synchronization boundary for getBufferAndFormat
1964    {
1965        Mutex::Autolock al(mBufferLock);
1966        info->mOwnedByClient = false;
1967    }
1968
1969    if (render && info->mData != NULL && info->mData->size() != 0) {
1970        info->mNotify->setInt32("render", true);
1971
1972        int64_t timestampNs = 0;
1973        if (msg->findInt64("timestampNs", &timestampNs)) {
1974            info->mNotify->setInt64("timestampNs", timestampNs);
1975        } else {
1976            // TODO: it seems like we should use the timestamp
1977            // in the (media)buffer as it potentially came from
1978            // an input surface, but we did not propagate it prior to
1979            // API 20.  Perhaps check for target SDK version.
1980#if 0
1981            if (info->mData->meta()->findInt64("timeUs", &timestampNs)) {
1982                ALOGV("using buffer PTS of %" PRId64, timestampNs);
1983                timestampNs *= 1000;
1984            }
1985#endif
1986        }
1987
1988        if (mSoftRenderer != NULL) {
1989            mSoftRenderer->render(
1990                    info->mData->data(), info->mData->size(),
1991                    timestampNs, NULL, info->mFormat);
1992        }
1993    }
1994
1995    info->mNotify->post();
1996    info->mNotify = NULL;
1997
1998    return OK;
1999}
2000
2001ssize_t MediaCodec::dequeuePortBuffer(int32_t portIndex) {
2002    CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput);
2003
2004    List<size_t> *availBuffers = &mAvailPortBuffers[portIndex];
2005
2006    if (availBuffers->empty()) {
2007        return -EAGAIN;
2008    }
2009
2010    size_t index = *availBuffers->begin();
2011    availBuffers->erase(availBuffers->begin());
2012
2013    BufferInfo *info = &mPortBuffers[portIndex].editItemAt(index);
2014    CHECK(!info->mOwnedByClient);
2015    {
2016        Mutex::Autolock al(mBufferLock);
2017        info->mOwnedByClient = true;
2018
2019        // set image-data
2020        if (info->mFormat != NULL) {
2021            sp<ABuffer> imageData;
2022            if (info->mFormat->findBuffer("image-data", &imageData)) {
2023                info->mData->meta()->setBuffer("image-data", imageData);
2024            }
2025            int32_t left, top, right, bottom;
2026            if (info->mFormat->findRect("crop", &left, &top, &right, &bottom)) {
2027                info->mData->meta()->setRect("crop-rect", left, top, right, bottom);
2028            }
2029        }
2030    }
2031
2032    return index;
2033}
2034
2035status_t MediaCodec::setNativeWindow(
2036        const sp<Surface> &surfaceTextureClient) {
2037    status_t err;
2038
2039    if (mNativeWindow != NULL) {
2040        err = native_window_api_disconnect(
2041                mNativeWindow.get(), NATIVE_WINDOW_API_MEDIA);
2042
2043        if (err != OK) {
2044            ALOGW("native_window_api_disconnect returned an error: %s (%d)",
2045                    strerror(-err), err);
2046        }
2047
2048        mNativeWindow.clear();
2049    }
2050
2051    if (surfaceTextureClient != NULL) {
2052        err = native_window_api_connect(
2053                surfaceTextureClient.get(), NATIVE_WINDOW_API_MEDIA);
2054
2055        if (err != OK) {
2056            ALOGE("native_window_api_connect returned an error: %s (%d)",
2057                    strerror(-err), err);
2058
2059            return err;
2060        }
2061
2062        mNativeWindow = surfaceTextureClient;
2063    }
2064
2065    return OK;
2066}
2067
2068void MediaCodec::onInputBufferAvailable() {
2069    int32_t index;
2070    while ((index = dequeuePortBuffer(kPortIndexInput)) >= 0) {
2071        sp<AMessage> msg = mCallback->dup();
2072        msg->setInt32("callbackID", CB_INPUT_AVAILABLE);
2073        msg->setInt32("index", index);
2074        msg->post();
2075    }
2076}
2077
2078void MediaCodec::onOutputBufferAvailable() {
2079    int32_t index;
2080    while ((index = dequeuePortBuffer(kPortIndexOutput)) >= 0) {
2081        const sp<ABuffer> &buffer =
2082            mPortBuffers[kPortIndexOutput].itemAt(index).mData;
2083        sp<AMessage> msg = mCallback->dup();
2084        msg->setInt32("callbackID", CB_OUTPUT_AVAILABLE);
2085        msg->setInt32("index", index);
2086        msg->setSize("offset", buffer->offset());
2087        msg->setSize("size", buffer->size());
2088
2089        int64_t timeUs;
2090        CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2091
2092        msg->setInt64("timeUs", timeUs);
2093
2094        int32_t omxFlags;
2095        CHECK(buffer->meta()->findInt32("omxFlags", &omxFlags));
2096
2097        uint32_t flags = 0;
2098        if (omxFlags & OMX_BUFFERFLAG_SYNCFRAME) {
2099            flags |= BUFFER_FLAG_SYNCFRAME;
2100        }
2101        if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) {
2102            flags |= BUFFER_FLAG_CODECCONFIG;
2103        }
2104        if (omxFlags & OMX_BUFFERFLAG_EOS) {
2105            flags |= BUFFER_FLAG_EOS;
2106        }
2107
2108        msg->setInt32("flags", flags);
2109
2110        msg->post();
2111    }
2112}
2113
2114void MediaCodec::onError(status_t err, int32_t actionCode, const char *detail) {
2115    if (mCallback != NULL) {
2116        sp<AMessage> msg = mCallback->dup();
2117        msg->setInt32("callbackID", CB_ERROR);
2118        msg->setInt32("err", err);
2119        msg->setInt32("actionCode", actionCode);
2120
2121        if (detail != NULL) {
2122            msg->setString("detail", detail);
2123        }
2124
2125        msg->post();
2126    }
2127}
2128
2129void MediaCodec::onOutputFormatChanged() {
2130    if (mCallback != NULL) {
2131        sp<AMessage> msg = mCallback->dup();
2132        msg->setInt32("callbackID", CB_OUTPUT_FORMAT_CHANGED);
2133        msg->setMessage("format", mOutputFormat);
2134        msg->post();
2135    }
2136}
2137
2138
2139void MediaCodec::postActivityNotificationIfPossible() {
2140    if (mActivityNotify == NULL) {
2141        return;
2142    }
2143
2144    bool isErrorOrOutputChanged =
2145            (mFlags & (kFlagStickyError
2146                    | kFlagOutputBuffersChanged
2147                    | kFlagOutputFormatChanged));
2148
2149    if (isErrorOrOutputChanged
2150            || !mAvailPortBuffers[kPortIndexInput].empty()
2151            || !mAvailPortBuffers[kPortIndexOutput].empty()) {
2152        mActivityNotify->setInt32("input-buffers",
2153                mAvailPortBuffers[kPortIndexInput].size());
2154
2155        if (isErrorOrOutputChanged) {
2156            // we want consumer to dequeue as many times as it can
2157            mActivityNotify->setInt32("output-buffers", INT32_MAX);
2158        } else {
2159            mActivityNotify->setInt32("output-buffers",
2160                    mAvailPortBuffers[kPortIndexOutput].size());
2161        }
2162        mActivityNotify->post();
2163        mActivityNotify.clear();
2164    }
2165}
2166
2167status_t MediaCodec::setParameters(const sp<AMessage> &params) {
2168    sp<AMessage> msg = new AMessage(kWhatSetParameters, id());
2169    msg->setMessage("params", params);
2170
2171    sp<AMessage> response;
2172    return PostAndAwaitResponse(msg, &response);
2173}
2174
2175status_t MediaCodec::onSetParameters(const sp<AMessage> &params) {
2176    mCodec->signalSetParameters(params);
2177
2178    return OK;
2179}
2180
2181status_t MediaCodec::amendOutputFormatWithCodecSpecificData(
2182        const sp<ABuffer> &buffer) {
2183    AString mime;
2184    CHECK(mOutputFormat->findString("mime", &mime));
2185
2186    if (!strcasecmp(mime.c_str(), MEDIA_MIMETYPE_VIDEO_AVC)) {
2187        // Codec specific data should be SPS and PPS in a single buffer,
2188        // each prefixed by a startcode (0x00 0x00 0x00 0x01).
2189        // We separate the two and put them into the output format
2190        // under the keys "csd-0" and "csd-1".
2191
2192        unsigned csdIndex = 0;
2193
2194        const uint8_t *data = buffer->data();
2195        size_t size = buffer->size();
2196
2197        const uint8_t *nalStart;
2198        size_t nalSize;
2199        while (getNextNALUnit(&data, &size, &nalStart, &nalSize, true) == OK) {
2200            sp<ABuffer> csd = new ABuffer(nalSize + 4);
2201            memcpy(csd->data(), "\x00\x00\x00\x01", 4);
2202            memcpy(csd->data() + 4, nalStart, nalSize);
2203
2204            mOutputFormat->setBuffer(
2205                    StringPrintf("csd-%u", csdIndex).c_str(), csd);
2206
2207            ++csdIndex;
2208        }
2209
2210        if (csdIndex != 2) {
2211            return ERROR_MALFORMED;
2212        }
2213    } else {
2214        // For everything else we just stash the codec specific data into
2215        // the output format as a single piece of csd under "csd-0".
2216        mOutputFormat->setBuffer("csd-0", buffer);
2217    }
2218
2219    return OK;
2220}
2221
2222void MediaCodec::updateBatteryStat() {
2223    if (mState == CONFIGURED && !mBatteryStatNotified) {
2224        AString mime;
2225        CHECK(mOutputFormat != NULL &&
2226                mOutputFormat->findString("mime", &mime));
2227
2228        mIsVideo = mime.startsWithIgnoreCase("video/");
2229
2230        BatteryNotifier& notifier(BatteryNotifier::getInstance());
2231
2232        if (mIsVideo) {
2233            notifier.noteStartVideo();
2234        } else {
2235            notifier.noteStartAudio();
2236        }
2237
2238        mBatteryStatNotified = true;
2239    } else if (mState == UNINITIALIZED && mBatteryStatNotified) {
2240        BatteryNotifier& notifier(BatteryNotifier::getInstance());
2241
2242        if (mIsVideo) {
2243            notifier.noteStopVideo();
2244        } else {
2245            notifier.noteStopAudio();
2246        }
2247
2248        mBatteryStatNotified = false;
2249    }
2250}
2251
2252}  // namespace android
2253