ACodec.cpp revision 54b0bc74e051bd7df10cd657b481d88db6cdaa27 
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 "ACodec"
19
20#include <media/stagefright/ACodec.h>
21
22#include <binder/MemoryDealer.h>
23
24#include <media/stagefright/foundation/hexdump.h>
25#include <media/stagefright/foundation/ABuffer.h>
26#include <media/stagefright/foundation/ADebug.h>
27#include <media/stagefright/foundation/AMessage.h>
28
29#include <media/stagefright/BufferProducerWrapper.h>
30#include <media/stagefright/MediaCodecList.h>
31#include <media/stagefright/MediaDefs.h>
32#include <media/stagefright/NativeWindowWrapper.h>
33#include <media/stagefright/OMXClient.h>
34#include <media/stagefright/OMXCodec.h>
35
36#include <media/hardware/HardwareAPI.h>
37
38#include <OMX_AudioExt.h>
39#include <OMX_Component.h>
40#include <OMX_IndexExt.h>
41
42#include "include/avc_utils.h"
43
44namespace android {
45
46template<class T>
47static void InitOMXParams(T *params) {
48    params->nSize = sizeof(T);
49    params->nVersion.s.nVersionMajor = 1;
50    params->nVersion.s.nVersionMinor = 0;
51    params->nVersion.s.nRevision = 0;
52    params->nVersion.s.nStep = 0;
53}
54
55struct CodecObserver : public BnOMXObserver {
56    CodecObserver() {}
57
58    void setNotificationMessage(const sp<AMessage> &msg) {
59        mNotify = msg;
60    }
61
62    // from IOMXObserver
63    virtual void onMessage(const omx_message &omx_msg) {
64        sp<AMessage> msg = mNotify->dup();
65
66        msg->setInt32("type", omx_msg.type);
67        msg->setPointer("node", omx_msg.node);
68
69        switch (omx_msg.type) {
70            case omx_message::EVENT:
71            {
72                msg->setInt32("event", omx_msg.u.event_data.event);
73                msg->setInt32("data1", omx_msg.u.event_data.data1);
74                msg->setInt32("data2", omx_msg.u.event_data.data2);
75                break;
76            }
77
78            case omx_message::EMPTY_BUFFER_DONE:
79            {
80                msg->setPointer("buffer", omx_msg.u.buffer_data.buffer);
81                break;
82            }
83
84            case omx_message::FILL_BUFFER_DONE:
85            {
86                msg->setPointer(
87                        "buffer", omx_msg.u.extended_buffer_data.buffer);
88                msg->setInt32(
89                        "range_offset",
90                        omx_msg.u.extended_buffer_data.range_offset);
91                msg->setInt32(
92                        "range_length",
93                        omx_msg.u.extended_buffer_data.range_length);
94                msg->setInt32(
95                        "flags",
96                        omx_msg.u.extended_buffer_data.flags);
97                msg->setInt64(
98                        "timestamp",
99                        omx_msg.u.extended_buffer_data.timestamp);
100                msg->setPointer(
101                        "platform_private",
102                        omx_msg.u.extended_buffer_data.platform_private);
103                msg->setPointer(
104                        "data_ptr",
105                        omx_msg.u.extended_buffer_data.data_ptr);
106                break;
107            }
108
109            default:
110                TRESPASS();
111                break;
112        }
113
114        msg->post();
115    }
116
117protected:
118    virtual ~CodecObserver() {}
119
120private:
121    sp<AMessage> mNotify;
122
123    DISALLOW_EVIL_CONSTRUCTORS(CodecObserver);
124};
125
126////////////////////////////////////////////////////////////////////////////////
127
128struct ACodec::BaseState : public AState {
129    BaseState(ACodec *codec, const sp<AState> &parentState = NULL);
130
131protected:
132    enum PortMode {
133        KEEP_BUFFERS,
134        RESUBMIT_BUFFERS,
135        FREE_BUFFERS,
136    };
137
138    ACodec *mCodec;
139
140    virtual PortMode getPortMode(OMX_U32 portIndex);
141
142    virtual bool onMessageReceived(const sp<AMessage> &msg);
143
144    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
145
146    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
147    virtual void onInputBufferFilled(const sp<AMessage> &msg);
148
149    void postFillThisBuffer(BufferInfo *info);
150
151private:
152    bool onOMXMessage(const sp<AMessage> &msg);
153
154    bool onOMXEmptyBufferDone(IOMX::buffer_id bufferID);
155
156    bool onOMXFillBufferDone(
157            IOMX::buffer_id bufferID,
158            size_t rangeOffset, size_t rangeLength,
159            OMX_U32 flags,
160            int64_t timeUs,
161            void *platformPrivate,
162            void *dataPtr);
163
164    void getMoreInputDataIfPossible();
165
166    DISALLOW_EVIL_CONSTRUCTORS(BaseState);
167};
168
169////////////////////////////////////////////////////////////////////////////////
170
171struct ACodec::DeathNotifier : public IBinder::DeathRecipient {
172    DeathNotifier(const sp<AMessage> &notify)
173        : mNotify(notify) {
174    }
175
176    virtual void binderDied(const wp<IBinder> &) {
177        mNotify->post();
178    }
179
180protected:
181    virtual ~DeathNotifier() {}
182
183private:
184    sp<AMessage> mNotify;
185
186    DISALLOW_EVIL_CONSTRUCTORS(DeathNotifier);
187};
188
189struct ACodec::UninitializedState : public ACodec::BaseState {
190    UninitializedState(ACodec *codec);
191
192protected:
193    virtual bool onMessageReceived(const sp<AMessage> &msg);
194    virtual void stateEntered();
195
196private:
197    void onSetup(const sp<AMessage> &msg);
198    bool onAllocateComponent(const sp<AMessage> &msg);
199
200    sp<DeathNotifier> mDeathNotifier;
201
202    DISALLOW_EVIL_CONSTRUCTORS(UninitializedState);
203};
204
205////////////////////////////////////////////////////////////////////////////////
206
207struct ACodec::LoadedState : public ACodec::BaseState {
208    LoadedState(ACodec *codec);
209
210protected:
211    virtual bool onMessageReceived(const sp<AMessage> &msg);
212    virtual void stateEntered();
213
214private:
215    friend struct ACodec::UninitializedState;
216
217    bool onConfigureComponent(const sp<AMessage> &msg);
218    void onCreateInputSurface(const sp<AMessage> &msg);
219    void onStart();
220    void onShutdown(bool keepComponentAllocated);
221
222    DISALLOW_EVIL_CONSTRUCTORS(LoadedState);
223};
224
225////////////////////////////////////////////////////////////////////////////////
226
227struct ACodec::LoadedToIdleState : public ACodec::BaseState {
228    LoadedToIdleState(ACodec *codec);
229
230protected:
231    virtual bool onMessageReceived(const sp<AMessage> &msg);
232    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
233    virtual void stateEntered();
234
235private:
236    status_t allocateBuffers();
237
238    DISALLOW_EVIL_CONSTRUCTORS(LoadedToIdleState);
239};
240
241////////////////////////////////////////////////////////////////////////////////
242
243struct ACodec::IdleToExecutingState : public ACodec::BaseState {
244    IdleToExecutingState(ACodec *codec);
245
246protected:
247    virtual bool onMessageReceived(const sp<AMessage> &msg);
248    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
249    virtual void stateEntered();
250
251private:
252    DISALLOW_EVIL_CONSTRUCTORS(IdleToExecutingState);
253};
254
255////////////////////////////////////////////////////////////////////////////////
256
257struct ACodec::ExecutingState : public ACodec::BaseState {
258    ExecutingState(ACodec *codec);
259
260    void submitRegularOutputBuffers();
261    void submitOutputMetaBuffers();
262    void submitOutputBuffers();
263
264    // Submit output buffers to the decoder, submit input buffers to client
265    // to fill with data.
266    void resume();
267
268    // Returns true iff input and output buffers are in play.
269    bool active() const { return mActive; }
270
271protected:
272    virtual PortMode getPortMode(OMX_U32 portIndex);
273    virtual bool onMessageReceived(const sp<AMessage> &msg);
274    virtual void stateEntered();
275
276    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
277
278private:
279    bool mActive;
280
281    DISALLOW_EVIL_CONSTRUCTORS(ExecutingState);
282};
283
284////////////////////////////////////////////////////////////////////////////////
285
286struct ACodec::OutputPortSettingsChangedState : public ACodec::BaseState {
287    OutputPortSettingsChangedState(ACodec *codec);
288
289protected:
290    virtual PortMode getPortMode(OMX_U32 portIndex);
291    virtual bool onMessageReceived(const sp<AMessage> &msg);
292    virtual void stateEntered();
293
294    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
295
296private:
297    DISALLOW_EVIL_CONSTRUCTORS(OutputPortSettingsChangedState);
298};
299
300////////////////////////////////////////////////////////////////////////////////
301
302struct ACodec::ExecutingToIdleState : public ACodec::BaseState {
303    ExecutingToIdleState(ACodec *codec);
304
305protected:
306    virtual bool onMessageReceived(const sp<AMessage> &msg);
307    virtual void stateEntered();
308
309    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
310
311    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
312    virtual void onInputBufferFilled(const sp<AMessage> &msg);
313
314private:
315    void changeStateIfWeOwnAllBuffers();
316
317    bool mComponentNowIdle;
318
319    DISALLOW_EVIL_CONSTRUCTORS(ExecutingToIdleState);
320};
321
322////////////////////////////////////////////////////////////////////////////////
323
324struct ACodec::IdleToLoadedState : public ACodec::BaseState {
325    IdleToLoadedState(ACodec *codec);
326
327protected:
328    virtual bool onMessageReceived(const sp<AMessage> &msg);
329    virtual void stateEntered();
330
331    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
332
333private:
334    DISALLOW_EVIL_CONSTRUCTORS(IdleToLoadedState);
335};
336
337////////////////////////////////////////////////////////////////////////////////
338
339struct ACodec::FlushingState : public ACodec::BaseState {
340    FlushingState(ACodec *codec);
341
342protected:
343    virtual bool onMessageReceived(const sp<AMessage> &msg);
344    virtual void stateEntered();
345
346    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
347
348    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
349    virtual void onInputBufferFilled(const sp<AMessage> &msg);
350
351private:
352    bool mFlushComplete[2];
353
354    void changeStateIfWeOwnAllBuffers();
355
356    DISALLOW_EVIL_CONSTRUCTORS(FlushingState);
357};
358
359////////////////////////////////////////////////////////////////////////////////
360
361ACodec::ACodec()
362    : mQuirks(0),
363      mNode(NULL),
364      mSentFormat(false),
365      mIsEncoder(false),
366      mUseMetadataOnEncoderOutput(false),
367      mShutdownInProgress(false),
368      mExplicitShutdown(false),
369      mEncoderDelay(0),
370      mEncoderPadding(0),
371      mChannelMaskPresent(false),
372      mChannelMask(0),
373      mDequeueCounter(0),
374      mStoreMetaDataInOutputBuffers(false),
375      mMetaDataBuffersToSubmit(0),
376      mRepeatFrameDelayUs(-1ll),
377      mMaxPtsGapUs(-1ll),
378      mTimePerCaptureUs(-1ll),
379      mTimePerFrameUs(-1ll),
380      mCreateInputBuffersSuspended(false) {
381    mUninitializedState = new UninitializedState(this);
382    mLoadedState = new LoadedState(this);
383    mLoadedToIdleState = new LoadedToIdleState(this);
384    mIdleToExecutingState = new IdleToExecutingState(this);
385    mExecutingState = new ExecutingState(this);
386
387    mOutputPortSettingsChangedState =
388        new OutputPortSettingsChangedState(this);
389
390    mExecutingToIdleState = new ExecutingToIdleState(this);
391    mIdleToLoadedState = new IdleToLoadedState(this);
392    mFlushingState = new FlushingState(this);
393
394    mPortEOS[kPortIndexInput] = mPortEOS[kPortIndexOutput] = false;
395    mInputEOSResult = OK;
396
397    changeState(mUninitializedState);
398}
399
400ACodec::~ACodec() {
401}
402
403void ACodec::setNotificationMessage(const sp<AMessage> &msg) {
404    mNotify = msg;
405}
406
407void ACodec::initiateSetup(const sp<AMessage> &msg) {
408    msg->setWhat(kWhatSetup);
409    msg->setTarget(id());
410    msg->post();
411}
412
413void ACodec::signalSetParameters(const sp<AMessage> &params) {
414    sp<AMessage> msg = new AMessage(kWhatSetParameters, id());
415    msg->setMessage("params", params);
416    msg->post();
417}
418
419void ACodec::initiateAllocateComponent(const sp<AMessage> &msg) {
420    msg->setWhat(kWhatAllocateComponent);
421    msg->setTarget(id());
422    msg->post();
423}
424
425void ACodec::initiateConfigureComponent(const sp<AMessage> &msg) {
426    msg->setWhat(kWhatConfigureComponent);
427    msg->setTarget(id());
428    msg->post();
429}
430
431void ACodec::initiateCreateInputSurface() {
432    (new AMessage(kWhatCreateInputSurface, id()))->post();
433}
434
435void ACodec::signalEndOfInputStream() {
436    (new AMessage(kWhatSignalEndOfInputStream, id()))->post();
437}
438
439void ACodec::initiateStart() {
440    (new AMessage(kWhatStart, id()))->post();
441}
442
443void ACodec::signalFlush() {
444    ALOGV("[%s] signalFlush", mComponentName.c_str());
445    (new AMessage(kWhatFlush, id()))->post();
446}
447
448void ACodec::signalResume() {
449    (new AMessage(kWhatResume, id()))->post();
450}
451
452void ACodec::initiateShutdown(bool keepComponentAllocated) {
453    sp<AMessage> msg = new AMessage(kWhatShutdown, id());
454    msg->setInt32("keepComponentAllocated", keepComponentAllocated);
455    msg->post();
456}
457
458void ACodec::signalRequestIDRFrame() {
459    (new AMessage(kWhatRequestIDRFrame, id()))->post();
460}
461
462// *** NOTE: THE FOLLOWING WORKAROUND WILL BE REMOVED ***
463// Some codecs may return input buffers before having them processed.
464// This causes a halt if we already signaled an EOS on the input
465// port.  For now keep submitting an output buffer if there was an
466// EOS on the input port, but not yet on the output port.
467void ACodec::signalSubmitOutputMetaDataBufferIfEOS_workaround() {
468    if (mPortEOS[kPortIndexInput] && !mPortEOS[kPortIndexOutput] &&
469            mMetaDataBuffersToSubmit > 0) {
470        (new AMessage(kWhatSubmitOutputMetaDataBufferIfEOS, id()))->post();
471    }
472}
473
474status_t ACodec::allocateBuffersOnPort(OMX_U32 portIndex) {
475    CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput);
476
477    CHECK(mDealer[portIndex] == NULL);
478    CHECK(mBuffers[portIndex].isEmpty());
479
480    status_t err;
481    if (mNativeWindow != NULL && portIndex == kPortIndexOutput) {
482        if (mStoreMetaDataInOutputBuffers) {
483            err = allocateOutputMetaDataBuffers();
484        } else {
485            err = allocateOutputBuffersFromNativeWindow();
486        }
487    } else {
488        OMX_PARAM_PORTDEFINITIONTYPE def;
489        InitOMXParams(&def);
490        def.nPortIndex = portIndex;
491
492        err = mOMX->getParameter(
493                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
494
495        if (err == OK) {
496            ALOGV("[%s] Allocating %lu buffers of size %lu on %s port",
497                    mComponentName.c_str(),
498                    def.nBufferCountActual, def.nBufferSize,
499                    portIndex == kPortIndexInput ? "input" : "output");
500
501            size_t totalSize = def.nBufferCountActual * def.nBufferSize;
502            mDealer[portIndex] = new MemoryDealer(totalSize, "ACodec");
503
504            for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
505                sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
506                CHECK(mem.get() != NULL);
507
508                BufferInfo info;
509                info.mStatus = BufferInfo::OWNED_BY_US;
510
511                uint32_t requiresAllocateBufferBit =
512                    (portIndex == kPortIndexInput)
513                        ? OMXCodec::kRequiresAllocateBufferOnInputPorts
514                        : OMXCodec::kRequiresAllocateBufferOnOutputPorts;
515
516                if ((portIndex == kPortIndexInput && (mFlags & kFlagIsSecure))
517                        || mUseMetadataOnEncoderOutput) {
518                    mem.clear();
519
520                    void *ptr;
521                    err = mOMX->allocateBuffer(
522                            mNode, portIndex, def.nBufferSize, &info.mBufferID,
523                            &ptr);
524
525                    int32_t bufSize = mUseMetadataOnEncoderOutput ?
526                            (4 + sizeof(buffer_handle_t)) : def.nBufferSize;
527
528                    info.mData = new ABuffer(ptr, bufSize);
529                } else if (mQuirks & requiresAllocateBufferBit) {
530                    err = mOMX->allocateBufferWithBackup(
531                            mNode, portIndex, mem, &info.mBufferID);
532                } else {
533                    err = mOMX->useBuffer(mNode, portIndex, mem, &info.mBufferID);
534                }
535
536                if (mem != NULL) {
537                    info.mData = new ABuffer(mem->pointer(), def.nBufferSize);
538                }
539
540                mBuffers[portIndex].push(info);
541            }
542        }
543    }
544
545    if (err != OK) {
546        return err;
547    }
548
549    sp<AMessage> notify = mNotify->dup();
550    notify->setInt32("what", ACodec::kWhatBuffersAllocated);
551
552    notify->setInt32("portIndex", portIndex);
553
554    sp<PortDescription> desc = new PortDescription;
555
556    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
557        const BufferInfo &info = mBuffers[portIndex][i];
558
559        desc->addBuffer(info.mBufferID, info.mData);
560    }
561
562    notify->setObject("portDesc", desc);
563    notify->post();
564
565    return OK;
566}
567
568status_t ACodec::configureOutputBuffersFromNativeWindow(
569        OMX_U32 *bufferCount, OMX_U32 *bufferSize,
570        OMX_U32 *minUndequeuedBuffers) {
571    OMX_PARAM_PORTDEFINITIONTYPE def;
572    InitOMXParams(&def);
573    def.nPortIndex = kPortIndexOutput;
574
575    status_t err = mOMX->getParameter(
576            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
577
578    if (err != OK) {
579        return err;
580    }
581
582    err = native_window_set_buffers_geometry(
583            mNativeWindow.get(),
584            def.format.video.nFrameWidth,
585            def.format.video.nFrameHeight,
586            def.format.video.eColorFormat);
587
588    if (err != 0) {
589        ALOGE("native_window_set_buffers_geometry failed: %s (%d)",
590                strerror(-err), -err);
591        return err;
592    }
593
594    // Set up the native window.
595    OMX_U32 usage = 0;
596    err = mOMX->getGraphicBufferUsage(mNode, kPortIndexOutput, &usage);
597    if (err != 0) {
598        ALOGW("querying usage flags from OMX IL component failed: %d", err);
599        // XXX: Currently this error is logged, but not fatal.
600        usage = 0;
601    }
602
603    if (mFlags & kFlagIsSecure) {
604        usage |= GRALLOC_USAGE_PROTECTED;
605    }
606
607    // Make sure to check whether either Stagefright or the video decoder
608    // requested protected buffers.
609    if (usage & GRALLOC_USAGE_PROTECTED) {
610        // Verify that the ANativeWindow sends images directly to
611        // SurfaceFlinger.
612        int queuesToNativeWindow = 0;
613        err = mNativeWindow->query(
614                mNativeWindow.get(), NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
615                &queuesToNativeWindow);
616        if (err != 0) {
617            ALOGE("error authenticating native window: %d", err);
618            return err;
619        }
620        if (queuesToNativeWindow != 1) {
621            ALOGE("native window could not be authenticated");
622            return PERMISSION_DENIED;
623        }
624    }
625
626    err = native_window_set_usage(
627            mNativeWindow.get(),
628            usage | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP);
629
630    if (err != 0) {
631        ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), -err);
632        return err;
633    }
634
635    *minUndequeuedBuffers = 0;
636    err = mNativeWindow->query(
637            mNativeWindow.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
638            (int *)minUndequeuedBuffers);
639
640    if (err != 0) {
641        ALOGE("NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d)",
642                strerror(-err), -err);
643        return err;
644    }
645
646    // FIXME: assume that surface is controlled by app (native window
647    // returns the number for the case when surface is not controlled by app)
648    // FIXME2: This means that minUndeqeueudBufs can be 1 larger than reported
649    // For now, try to allocate 1 more buffer, but don't fail if unsuccessful
650
651    // Use conservative allocation while also trying to reduce starvation
652    //
653    // 1. allocate at least nBufferCountMin + minUndequeuedBuffers - that is the
654    //    minimum needed for the consumer to be able to work
655    // 2. try to allocate two (2) additional buffers to reduce starvation from
656    //    the consumer
657    //    plus an extra buffer to account for incorrect minUndequeuedBufs
658    for (OMX_U32 extraBuffers = 2 + 1; /* condition inside loop */; extraBuffers--) {
659        OMX_U32 newBufferCount =
660            def.nBufferCountMin + *minUndequeuedBuffers + extraBuffers;
661        def.nBufferCountActual = newBufferCount;
662        err = mOMX->setParameter(
663                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
664
665        if (err == OK) {
666            *minUndequeuedBuffers += extraBuffers;
667            break;
668        }
669
670        ALOGW("[%s] setting nBufferCountActual to %lu failed: %d",
671                mComponentName.c_str(), newBufferCount, err);
672        /* exit condition */
673        if (extraBuffers == 0) {
674            return err;
675        }
676    }
677
678    err = native_window_set_buffer_count(
679            mNativeWindow.get(), def.nBufferCountActual);
680
681    if (err != 0) {
682        ALOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-err),
683                -err);
684        return err;
685    }
686
687    *bufferCount = def.nBufferCountActual;
688    *bufferSize =  def.nBufferSize;
689    return err;
690}
691
692status_t ACodec::allocateOutputBuffersFromNativeWindow() {
693    OMX_U32 bufferCount, bufferSize, minUndequeuedBuffers;
694    status_t err = configureOutputBuffersFromNativeWindow(
695            &bufferCount, &bufferSize, &minUndequeuedBuffers);
696    if (err != 0)
697        return err;
698    mNumUndequeuedBuffers = minUndequeuedBuffers;
699
700    ALOGV("[%s] Allocating %lu buffers from a native window of size %lu on "
701         "output port",
702         mComponentName.c_str(), bufferCount, bufferSize);
703
704    // Dequeue buffers and send them to OMX
705    for (OMX_U32 i = 0; i < bufferCount; i++) {
706        ANativeWindowBuffer *buf;
707        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &buf);
708        if (err != 0) {
709            ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), -err);
710            break;
711        }
712
713        sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(buf, false));
714        BufferInfo info;
715        info.mStatus = BufferInfo::OWNED_BY_US;
716        info.mData = new ABuffer(NULL /* data */, bufferSize /* capacity */);
717        info.mGraphicBuffer = graphicBuffer;
718        mBuffers[kPortIndexOutput].push(info);
719
720        IOMX::buffer_id bufferId;
721        err = mOMX->useGraphicBuffer(mNode, kPortIndexOutput, graphicBuffer,
722                &bufferId);
723        if (err != 0) {
724            ALOGE("registering GraphicBuffer %lu with OMX IL component failed: "
725                 "%d", i, err);
726            break;
727        }
728
729        mBuffers[kPortIndexOutput].editItemAt(i).mBufferID = bufferId;
730
731        ALOGV("[%s] Registered graphic buffer with ID %p (pointer = %p)",
732             mComponentName.c_str(),
733             bufferId, graphicBuffer.get());
734    }
735
736    OMX_U32 cancelStart;
737    OMX_U32 cancelEnd;
738
739    if (err != 0) {
740        // If an error occurred while dequeuing we need to cancel any buffers
741        // that were dequeued.
742        cancelStart = 0;
743        cancelEnd = mBuffers[kPortIndexOutput].size();
744    } else {
745        // Return the required minimum undequeued buffers to the native window.
746        cancelStart = bufferCount - minUndequeuedBuffers;
747        cancelEnd = bufferCount;
748    }
749
750    for (OMX_U32 i = cancelStart; i < cancelEnd; i++) {
751        BufferInfo *info = &mBuffers[kPortIndexOutput].editItemAt(i);
752        cancelBufferToNativeWindow(info);
753    }
754
755    return err;
756}
757
758status_t ACodec::allocateOutputMetaDataBuffers() {
759    OMX_U32 bufferCount, bufferSize, minUndequeuedBuffers;
760    status_t err = configureOutputBuffersFromNativeWindow(
761            &bufferCount, &bufferSize, &minUndequeuedBuffers);
762    if (err != 0)
763        return err;
764    mNumUndequeuedBuffers = minUndequeuedBuffers;
765
766    ALOGV("[%s] Allocating %lu meta buffers on output port",
767         mComponentName.c_str(), bufferCount);
768
769    size_t totalSize = bufferCount * 8;
770    mDealer[kPortIndexOutput] = new MemoryDealer(totalSize, "ACodec");
771
772    // Dequeue buffers and send them to OMX
773    for (OMX_U32 i = 0; i < bufferCount; i++) {
774        BufferInfo info;
775        info.mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
776        info.mGraphicBuffer = NULL;
777        info.mDequeuedAt = mDequeueCounter;
778
779        sp<IMemory> mem = mDealer[kPortIndexOutput]->allocate(
780                sizeof(struct VideoDecoderOutputMetaData));
781        CHECK(mem.get() != NULL);
782        info.mData = new ABuffer(mem->pointer(), mem->size());
783
784        // we use useBuffer for metadata regardless of quirks
785        err = mOMX->useBuffer(
786                mNode, kPortIndexOutput, mem, &info.mBufferID);
787
788        mBuffers[kPortIndexOutput].push(info);
789
790        ALOGV("[%s] allocated meta buffer with ID %p (pointer = %p)",
791             mComponentName.c_str(), info.mBufferID, mem->pointer());
792    }
793
794    mMetaDataBuffersToSubmit = bufferCount - minUndequeuedBuffers;
795    return err;
796}
797
798status_t ACodec::submitOutputMetaDataBuffer() {
799    CHECK(mStoreMetaDataInOutputBuffers);
800    if (mMetaDataBuffersToSubmit == 0)
801        return OK;
802
803    BufferInfo *info = dequeueBufferFromNativeWindow();
804    if (info == NULL)
805        return ERROR_IO;
806
807    ALOGV("[%s] submitting output meta buffer ID %p for graphic buffer %p",
808          mComponentName.c_str(), info->mBufferID, info->mGraphicBuffer.get());
809
810    --mMetaDataBuffersToSubmit;
811    CHECK_EQ(mOMX->fillBuffer(mNode, info->mBufferID),
812             (status_t)OK);
813
814    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
815    return OK;
816}
817
818status_t ACodec::cancelBufferToNativeWindow(BufferInfo *info) {
819    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
820
821    ALOGV("[%s] Calling cancelBuffer on buffer %p",
822         mComponentName.c_str(), info->mBufferID);
823
824    int err = mNativeWindow->cancelBuffer(
825        mNativeWindow.get(), info->mGraphicBuffer.get(), -1);
826
827    CHECK_EQ(err, 0);
828
829    info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
830
831    return OK;
832}
833
834ACodec::BufferInfo *ACodec::dequeueBufferFromNativeWindow() {
835    ANativeWindowBuffer *buf;
836    int fenceFd = -1;
837    CHECK(mNativeWindow.get() != NULL);
838    if (native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &buf) != 0) {
839        ALOGE("dequeueBuffer failed.");
840        return NULL;
841    }
842
843    BufferInfo *oldest = NULL;
844    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
845        BufferInfo *info =
846            &mBuffers[kPortIndexOutput].editItemAt(i);
847
848        if (info->mGraphicBuffer != NULL &&
849            info->mGraphicBuffer->handle == buf->handle) {
850            CHECK_EQ((int)info->mStatus,
851                     (int)BufferInfo::OWNED_BY_NATIVE_WINDOW);
852
853            info->mStatus = BufferInfo::OWNED_BY_US;
854
855            return info;
856        }
857
858        if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW &&
859            (oldest == NULL ||
860             // avoid potential issues from counter rolling over
861             mDequeueCounter - info->mDequeuedAt >
862                    mDequeueCounter - oldest->mDequeuedAt)) {
863            oldest = info;
864        }
865    }
866
867    if (oldest) {
868        CHECK(mStoreMetaDataInOutputBuffers);
869
870        // discard buffer in LRU info and replace with new buffer
871        oldest->mGraphicBuffer = new GraphicBuffer(buf, false);
872        oldest->mStatus = BufferInfo::OWNED_BY_US;
873
874        mOMX->updateGraphicBufferInMeta(
875                mNode, kPortIndexOutput, oldest->mGraphicBuffer,
876                oldest->mBufferID);
877
878        VideoDecoderOutputMetaData *metaData =
879            reinterpret_cast<VideoDecoderOutputMetaData *>(
880                    oldest->mData->base());
881        CHECK_EQ(metaData->eType, kMetadataBufferTypeGrallocSource);
882
883        ALOGV("replaced oldest buffer #%u with age %u (%p/%p stored in %p)",
884                oldest - &mBuffers[kPortIndexOutput][0],
885                mDequeueCounter - oldest->mDequeuedAt,
886                metaData->pHandle,
887                oldest->mGraphicBuffer->handle, oldest->mData->base());
888
889        return oldest;
890    }
891
892    TRESPASS();
893
894    return NULL;
895}
896
897status_t ACodec::freeBuffersOnPort(OMX_U32 portIndex) {
898    for (size_t i = mBuffers[portIndex].size(); i-- > 0;) {
899        CHECK_EQ((status_t)OK, freeBuffer(portIndex, i));
900    }
901
902    mDealer[portIndex].clear();
903
904    return OK;
905}
906
907status_t ACodec::freeOutputBuffersNotOwnedByComponent() {
908    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
909        BufferInfo *info =
910            &mBuffers[kPortIndexOutput].editItemAt(i);
911
912        // At this time some buffers may still be with the component
913        // or being drained.
914        if (info->mStatus != BufferInfo::OWNED_BY_COMPONENT &&
915            info->mStatus != BufferInfo::OWNED_BY_DOWNSTREAM) {
916            CHECK_EQ((status_t)OK, freeBuffer(kPortIndexOutput, i));
917        }
918    }
919
920    return OK;
921}
922
923status_t ACodec::freeBuffer(OMX_U32 portIndex, size_t i) {
924    BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
925
926    CHECK(info->mStatus == BufferInfo::OWNED_BY_US
927            || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
928
929    if (portIndex == kPortIndexOutput && mNativeWindow != NULL
930            && info->mStatus == BufferInfo::OWNED_BY_US) {
931        CHECK_EQ((status_t)OK, cancelBufferToNativeWindow(info));
932    }
933
934    CHECK_EQ(mOMX->freeBuffer(
935                mNode, portIndex, info->mBufferID),
936             (status_t)OK);
937
938    mBuffers[portIndex].removeAt(i);
939
940    return OK;
941}
942
943ACodec::BufferInfo *ACodec::findBufferByID(
944        uint32_t portIndex, IOMX::buffer_id bufferID,
945        ssize_t *index) {
946    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
947        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
948
949        if (info->mBufferID == bufferID) {
950            if (index != NULL) {
951                *index = i;
952            }
953            return info;
954        }
955    }
956
957    TRESPASS();
958
959    return NULL;
960}
961
962status_t ACodec::setComponentRole(
963        bool isEncoder, const char *mime) {
964    struct MimeToRole {
965        const char *mime;
966        const char *decoderRole;
967        const char *encoderRole;
968    };
969
970    static const MimeToRole kMimeToRole[] = {
971        { MEDIA_MIMETYPE_AUDIO_MPEG,
972            "audio_decoder.mp3", "audio_encoder.mp3" },
973        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I,
974            "audio_decoder.mp1", "audio_encoder.mp1" },
975        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II,
976            "audio_decoder.mp2", "audio_encoder.mp2" },
977        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
978            "audio_decoder.amrnb", "audio_encoder.amrnb" },
979        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
980            "audio_decoder.amrwb", "audio_encoder.amrwb" },
981        { MEDIA_MIMETYPE_AUDIO_AAC,
982            "audio_decoder.aac", "audio_encoder.aac" },
983        { MEDIA_MIMETYPE_AUDIO_VORBIS,
984            "audio_decoder.vorbis", "audio_encoder.vorbis" },
985        { MEDIA_MIMETYPE_AUDIO_OPUS,
986            "audio_decoder.opus", "audio_encoder.opus" },
987        { MEDIA_MIMETYPE_AUDIO_G711_MLAW,
988            "audio_decoder.g711mlaw", "audio_encoder.g711mlaw" },
989        { MEDIA_MIMETYPE_AUDIO_G711_ALAW,
990            "audio_decoder.g711alaw", "audio_encoder.g711alaw" },
991        { MEDIA_MIMETYPE_VIDEO_AVC,
992            "video_decoder.avc", "video_encoder.avc" },
993        { MEDIA_MIMETYPE_VIDEO_MPEG4,
994            "video_decoder.mpeg4", "video_encoder.mpeg4" },
995        { MEDIA_MIMETYPE_VIDEO_H263,
996            "video_decoder.h263", "video_encoder.h263" },
997        { MEDIA_MIMETYPE_VIDEO_VP8,
998            "video_decoder.vp8", "video_encoder.vp8" },
999        { MEDIA_MIMETYPE_VIDEO_VP9,
1000            "video_decoder.vp9", "video_encoder.vp9" },
1001        { MEDIA_MIMETYPE_AUDIO_RAW,
1002            "audio_decoder.raw", "audio_encoder.raw" },
1003        { MEDIA_MIMETYPE_AUDIO_FLAC,
1004            "audio_decoder.flac", "audio_encoder.flac" },
1005        { MEDIA_MIMETYPE_AUDIO_MSGSM,
1006            "audio_decoder.gsm", "audio_encoder.gsm" },
1007        { MEDIA_MIMETYPE_VIDEO_MPEG2,
1008            "video_decoder.mpeg2", "video_encoder.mpeg2" },
1009        { MEDIA_MIMETYPE_AUDIO_AC3,
1010            "audio_decoder.ac3", "audio_encoder.ac3" },
1011    };
1012
1013    static const size_t kNumMimeToRole =
1014        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
1015
1016    size_t i;
1017    for (i = 0; i < kNumMimeToRole; ++i) {
1018        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
1019            break;
1020        }
1021    }
1022
1023    if (i == kNumMimeToRole) {
1024        return ERROR_UNSUPPORTED;
1025    }
1026
1027    const char *role =
1028        isEncoder ? kMimeToRole[i].encoderRole
1029                  : kMimeToRole[i].decoderRole;
1030
1031    if (role != NULL) {
1032        OMX_PARAM_COMPONENTROLETYPE roleParams;
1033        InitOMXParams(&roleParams);
1034
1035        strncpy((char *)roleParams.cRole,
1036                role, OMX_MAX_STRINGNAME_SIZE - 1);
1037
1038        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
1039
1040        status_t err = mOMX->setParameter(
1041                mNode, OMX_IndexParamStandardComponentRole,
1042                &roleParams, sizeof(roleParams));
1043
1044        if (err != OK) {
1045            ALOGW("[%s] Failed to set standard component role '%s'.",
1046                 mComponentName.c_str(), role);
1047
1048            return err;
1049        }
1050    }
1051
1052    return OK;
1053}
1054
1055status_t ACodec::configureCodec(
1056        const char *mime, const sp<AMessage> &msg) {
1057    int32_t encoder;
1058    if (!msg->findInt32("encoder", &encoder)) {
1059        encoder = false;
1060    }
1061
1062    sp<AMessage> inputFormat = new AMessage();
1063    sp<AMessage> outputFormat = new AMessage();
1064
1065    mIsEncoder = encoder;
1066
1067    status_t err = setComponentRole(encoder /* isEncoder */, mime);
1068
1069    if (err != OK) {
1070        return err;
1071    }
1072
1073    int32_t bitRate = 0;
1074    // FLAC encoder doesn't need a bitrate, other encoders do
1075    if (encoder && strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)
1076            && !msg->findInt32("bitrate", &bitRate)) {
1077        return INVALID_OPERATION;
1078    }
1079
1080    int32_t storeMeta;
1081    if (encoder
1082            && msg->findInt32("store-metadata-in-buffers", &storeMeta)
1083            && storeMeta != 0) {
1084        err = mOMX->storeMetaDataInBuffers(mNode, kPortIndexInput, OMX_TRUE);
1085
1086        if (err != OK) {
1087              ALOGE("[%s] storeMetaDataInBuffers (input) failed w/ err %d",
1088                    mComponentName.c_str(), err);
1089
1090              return err;
1091          }
1092      }
1093
1094    int32_t prependSPSPPS = 0;
1095    if (encoder
1096            && msg->findInt32("prepend-sps-pps-to-idr-frames", &prependSPSPPS)
1097            && prependSPSPPS != 0) {
1098        OMX_INDEXTYPE index;
1099        err = mOMX->getExtensionIndex(
1100                mNode,
1101                "OMX.google.android.index.prependSPSPPSToIDRFrames",
1102                &index);
1103
1104        if (err == OK) {
1105            PrependSPSPPSToIDRFramesParams params;
1106            InitOMXParams(&params);
1107            params.bEnable = OMX_TRUE;
1108
1109            err = mOMX->setParameter(
1110                    mNode, index, &params, sizeof(params));
1111        }
1112
1113        if (err != OK) {
1114            ALOGE("Encoder could not be configured to emit SPS/PPS before "
1115                  "IDR frames. (err %d)", err);
1116
1117            return err;
1118        }
1119    }
1120
1121    // Only enable metadata mode on encoder output if encoder can prepend
1122    // sps/pps to idr frames, since in metadata mode the bitstream is in an
1123    // opaque handle, to which we don't have access.
1124    int32_t video = !strncasecmp(mime, "video/", 6);
1125    if (encoder && video) {
1126        OMX_BOOL enable = (OMX_BOOL) (prependSPSPPS
1127            && msg->findInt32("store-metadata-in-buffers-output", &storeMeta)
1128            && storeMeta != 0);
1129
1130        err = mOMX->storeMetaDataInBuffers(mNode, kPortIndexOutput, enable);
1131
1132        if (err != OK) {
1133            ALOGE("[%s] storeMetaDataInBuffers (output) failed w/ err %d",
1134                mComponentName.c_str(), err);
1135            mUseMetadataOnEncoderOutput = 0;
1136        } else {
1137            mUseMetadataOnEncoderOutput = enable;
1138        }
1139
1140        if (!msg->findInt64(
1141                    "repeat-previous-frame-after",
1142                    &mRepeatFrameDelayUs)) {
1143            mRepeatFrameDelayUs = -1ll;
1144        }
1145
1146        if (!msg->findInt64("max-pts-gap-to-encoder", &mMaxPtsGapUs)) {
1147            mMaxPtsGapUs = -1ll;
1148        }
1149
1150        if (!msg->findInt64("time-lapse", &mTimePerCaptureUs)) {
1151            mTimePerCaptureUs = -1ll;
1152        }
1153
1154        if (!msg->findInt32(
1155                    "create-input-buffers-suspended",
1156                    (int32_t*)&mCreateInputBuffersSuspended)) {
1157            mCreateInputBuffersSuspended = false;
1158        }
1159    }
1160
1161    // Always try to enable dynamic output buffers on native surface
1162    sp<RefBase> obj;
1163    int32_t haveNativeWindow = msg->findObject("native-window", &obj) &&
1164            obj != NULL;
1165    mStoreMetaDataInOutputBuffers = false;
1166    if (video && !encoder) {
1167        inputFormat->setInt32("adaptive-playback", false);
1168    }
1169    if (!encoder && video && haveNativeWindow) {
1170        err = mOMX->storeMetaDataInBuffers(mNode, kPortIndexOutput, OMX_TRUE);
1171        if (err != OK) {
1172            ALOGE("[%s] storeMetaDataInBuffers failed w/ err %d",
1173                  mComponentName.c_str(), err);
1174
1175            // if adaptive playback has been requested, try JB fallback
1176            // NOTE: THIS FALLBACK MECHANISM WILL BE REMOVED DUE TO ITS
1177            // LARGE MEMORY REQUIREMENT
1178
1179            // we will not do adaptive playback on software accessed
1180            // surfaces as they never had to respond to changes in the
1181            // crop window, and we don't trust that they will be able to.
1182            int usageBits = 0;
1183            bool canDoAdaptivePlayback;
1184
1185            sp<NativeWindowWrapper> windowWrapper(
1186                    static_cast<NativeWindowWrapper *>(obj.get()));
1187            sp<ANativeWindow> nativeWindow = windowWrapper->getNativeWindow();
1188
1189            if (nativeWindow->query(
1190                    nativeWindow.get(),
1191                    NATIVE_WINDOW_CONSUMER_USAGE_BITS,
1192                    &usageBits) != OK) {
1193                canDoAdaptivePlayback = false;
1194            } else {
1195                canDoAdaptivePlayback =
1196                    (usageBits &
1197                            (GRALLOC_USAGE_SW_READ_MASK |
1198                             GRALLOC_USAGE_SW_WRITE_MASK)) == 0;
1199            }
1200
1201            int32_t maxWidth = 0, maxHeight = 0;
1202            if (canDoAdaptivePlayback &&
1203                msg->findInt32("max-width", &maxWidth) &&
1204                msg->findInt32("max-height", &maxHeight)) {
1205                ALOGV("[%s] prepareForAdaptivePlayback(%dx%d)",
1206                      mComponentName.c_str(), maxWidth, maxHeight);
1207
1208                err = mOMX->prepareForAdaptivePlayback(
1209                        mNode, kPortIndexOutput, OMX_TRUE, maxWidth, maxHeight);
1210                ALOGW_IF(err != OK,
1211                        "[%s] prepareForAdaptivePlayback failed w/ err %d",
1212                        mComponentName.c_str(), err);
1213
1214                if (err == OK) {
1215                    inputFormat->setInt32("max-width", maxWidth);
1216                    inputFormat->setInt32("max-height", maxHeight);
1217                    inputFormat->setInt32("adaptive-playback", true);
1218                }
1219            }
1220            // allow failure
1221            err = OK;
1222        } else {
1223            ALOGV("[%s] storeMetaDataInBuffers succeeded", mComponentName.c_str());
1224            mStoreMetaDataInOutputBuffers = true;
1225            inputFormat->setInt32("adaptive-playback", true);
1226        }
1227
1228        int32_t push;
1229        if (msg->findInt32("push-blank-buffers-on-shutdown", &push)
1230                && push != 0) {
1231            mFlags |= kFlagPushBlankBuffersToNativeWindowOnShutdown;
1232        }
1233    }
1234
1235    if (video) {
1236        if (encoder) {
1237            err = setupVideoEncoder(mime, msg);
1238        } else {
1239            int32_t width, height;
1240            if (!msg->findInt32("width", &width)
1241                    || !msg->findInt32("height", &height)) {
1242                err = INVALID_OPERATION;
1243            } else {
1244                err = setupVideoDecoder(mime, width, height);
1245            }
1246        }
1247    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) {
1248        int32_t numChannels, sampleRate;
1249        if (!msg->findInt32("channel-count", &numChannels)
1250                || !msg->findInt32("sample-rate", &sampleRate)) {
1251            // Since we did not always check for these, leave them optional
1252            // and have the decoder figure it all out.
1253            err = OK;
1254        } else {
1255            err = setupRawAudioFormat(
1256                    encoder ? kPortIndexInput : kPortIndexOutput,
1257                    sampleRate,
1258                    numChannels);
1259        }
1260    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
1261        int32_t numChannels, sampleRate;
1262        if (!msg->findInt32("channel-count", &numChannels)
1263                || !msg->findInt32("sample-rate", &sampleRate)) {
1264            err = INVALID_OPERATION;
1265        } else {
1266            int32_t isADTS, aacProfile;
1267            if (!msg->findInt32("is-adts", &isADTS)) {
1268                isADTS = 0;
1269            }
1270            if (!msg->findInt32("aac-profile", &aacProfile)) {
1271                aacProfile = OMX_AUDIO_AACObjectNull;
1272            }
1273
1274            err = setupAACCodec(
1275                    encoder, numChannels, sampleRate, bitRate, aacProfile,
1276                    isADTS != 0);
1277        }
1278    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)) {
1279        err = setupAMRCodec(encoder, false /* isWAMR */, bitRate);
1280    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
1281        err = setupAMRCodec(encoder, true /* isWAMR */, bitRate);
1282    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_ALAW)
1283            || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_MLAW)) {
1284        // These are PCM-like formats with a fixed sample rate but
1285        // a variable number of channels.
1286
1287        int32_t numChannels;
1288        if (!msg->findInt32("channel-count", &numChannels)) {
1289            err = INVALID_OPERATION;
1290        } else {
1291            err = setupG711Codec(encoder, numChannels);
1292        }
1293    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)) {
1294        int32_t numChannels, sampleRate, compressionLevel = -1;
1295        if (encoder &&
1296                (!msg->findInt32("channel-count", &numChannels)
1297                        || !msg->findInt32("sample-rate", &sampleRate))) {
1298            ALOGE("missing channel count or sample rate for FLAC encoder");
1299            err = INVALID_OPERATION;
1300        } else {
1301            if (encoder) {
1302                if (!msg->findInt32(
1303                            "flac-compression-level", &compressionLevel)) {
1304                    compressionLevel = 5;// default FLAC compression level
1305                } else if (compressionLevel < 0) {
1306                    ALOGW("compression level %d outside [0..8] range, "
1307                          "using 0",
1308                          compressionLevel);
1309                    compressionLevel = 0;
1310                } else if (compressionLevel > 8) {
1311                    ALOGW("compression level %d outside [0..8] range, "
1312                          "using 8",
1313                          compressionLevel);
1314                    compressionLevel = 8;
1315                }
1316            }
1317            err = setupFlacCodec(
1318                    encoder, numChannels, sampleRate, compressionLevel);
1319        }
1320    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
1321        int32_t numChannels, sampleRate;
1322        if (encoder
1323                || !msg->findInt32("channel-count", &numChannels)
1324                || !msg->findInt32("sample-rate", &sampleRate)) {
1325            err = INVALID_OPERATION;
1326        } else {
1327            err = setupRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1328        }
1329    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC3)) {
1330        int32_t numChannels;
1331        int32_t sampleRate;
1332        if (!msg->findInt32("channel-count", &numChannels)
1333                || !msg->findInt32("sample-rate", &sampleRate)) {
1334            err = INVALID_OPERATION;
1335        } else {
1336            err = setupAC3Codec(encoder, numChannels, sampleRate);
1337        }
1338    }
1339
1340    if (err != OK) {
1341        return err;
1342    }
1343
1344    if (!msg->findInt32("encoder-delay", &mEncoderDelay)) {
1345        mEncoderDelay = 0;
1346    }
1347
1348    if (!msg->findInt32("encoder-padding", &mEncoderPadding)) {
1349        mEncoderPadding = 0;
1350    }
1351
1352    if (msg->findInt32("channel-mask", &mChannelMask)) {
1353        mChannelMaskPresent = true;
1354    } else {
1355        mChannelMaskPresent = false;
1356    }
1357
1358    int32_t maxInputSize;
1359    if (msg->findInt32("max-input-size", &maxInputSize)) {
1360        err = setMinBufferSize(kPortIndexInput, (size_t)maxInputSize);
1361    } else if (!strcmp("OMX.Nvidia.aac.decoder", mComponentName.c_str())) {
1362        err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
1363    }
1364
1365    CHECK_EQ(getPortFormat(kPortIndexInput, inputFormat), (status_t)OK);
1366    CHECK_EQ(getPortFormat(kPortIndexOutput, outputFormat), (status_t)OK);
1367    mInputFormat = inputFormat;
1368    mOutputFormat = outputFormat;
1369
1370    return err;
1371}
1372
1373status_t ACodec::setMinBufferSize(OMX_U32 portIndex, size_t size) {
1374    OMX_PARAM_PORTDEFINITIONTYPE def;
1375    InitOMXParams(&def);
1376    def.nPortIndex = portIndex;
1377
1378    status_t err = mOMX->getParameter(
1379            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1380
1381    if (err != OK) {
1382        return err;
1383    }
1384
1385    if (def.nBufferSize >= size) {
1386        return OK;
1387    }
1388
1389    def.nBufferSize = size;
1390
1391    err = mOMX->setParameter(
1392            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1393
1394    if (err != OK) {
1395        return err;
1396    }
1397
1398    err = mOMX->getParameter(
1399            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1400
1401    if (err != OK) {
1402        return err;
1403    }
1404
1405    CHECK(def.nBufferSize >= size);
1406
1407    return OK;
1408}
1409
1410status_t ACodec::selectAudioPortFormat(
1411        OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat) {
1412    OMX_AUDIO_PARAM_PORTFORMATTYPE format;
1413    InitOMXParams(&format);
1414
1415    format.nPortIndex = portIndex;
1416    for (OMX_U32 index = 0;; ++index) {
1417        format.nIndex = index;
1418
1419        status_t err = mOMX->getParameter(
1420                mNode, OMX_IndexParamAudioPortFormat,
1421                &format, sizeof(format));
1422
1423        if (err != OK) {
1424            return err;
1425        }
1426
1427        if (format.eEncoding == desiredFormat) {
1428            break;
1429        }
1430    }
1431
1432    return mOMX->setParameter(
1433            mNode, OMX_IndexParamAudioPortFormat, &format, sizeof(format));
1434}
1435
1436status_t ACodec::setupAACCodec(
1437        bool encoder, int32_t numChannels, int32_t sampleRate,
1438        int32_t bitRate, int32_t aacProfile, bool isADTS) {
1439    if (encoder && isADTS) {
1440        return -EINVAL;
1441    }
1442
1443    status_t err = setupRawAudioFormat(
1444            encoder ? kPortIndexInput : kPortIndexOutput,
1445            sampleRate,
1446            numChannels);
1447
1448    if (err != OK) {
1449        return err;
1450    }
1451
1452    if (encoder) {
1453        err = selectAudioPortFormat(kPortIndexOutput, OMX_AUDIO_CodingAAC);
1454
1455        if (err != OK) {
1456            return err;
1457        }
1458
1459        OMX_PARAM_PORTDEFINITIONTYPE def;
1460        InitOMXParams(&def);
1461        def.nPortIndex = kPortIndexOutput;
1462
1463        err = mOMX->getParameter(
1464                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1465
1466        if (err != OK) {
1467            return err;
1468        }
1469
1470        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
1471        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
1472
1473        err = mOMX->setParameter(
1474                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1475
1476        if (err != OK) {
1477            return err;
1478        }
1479
1480        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1481        InitOMXParams(&profile);
1482        profile.nPortIndex = kPortIndexOutput;
1483
1484        err = mOMX->getParameter(
1485                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1486
1487        if (err != OK) {
1488            return err;
1489        }
1490
1491        profile.nChannels = numChannels;
1492
1493        profile.eChannelMode =
1494            (numChannels == 1)
1495                ? OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo;
1496
1497        profile.nSampleRate = sampleRate;
1498        profile.nBitRate = bitRate;
1499        profile.nAudioBandWidth = 0;
1500        profile.nFrameLength = 0;
1501        profile.nAACtools = OMX_AUDIO_AACToolAll;
1502        profile.nAACERtools = OMX_AUDIO_AACERNone;
1503        profile.eAACProfile = (OMX_AUDIO_AACPROFILETYPE) aacProfile;
1504        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
1505
1506        err = mOMX->setParameter(
1507                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1508
1509        if (err != OK) {
1510            return err;
1511        }
1512
1513        return err;
1514    }
1515
1516    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1517    InitOMXParams(&profile);
1518    profile.nPortIndex = kPortIndexInput;
1519
1520    err = mOMX->getParameter(
1521            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1522
1523    if (err != OK) {
1524        return err;
1525    }
1526
1527    profile.nChannels = numChannels;
1528    profile.nSampleRate = sampleRate;
1529
1530    profile.eAACStreamFormat =
1531        isADTS
1532            ? OMX_AUDIO_AACStreamFormatMP4ADTS
1533            : OMX_AUDIO_AACStreamFormatMP4FF;
1534
1535    return mOMX->setParameter(
1536            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1537}
1538
1539status_t ACodec::setupAC3Codec(
1540        bool encoder, int32_t numChannels, int32_t sampleRate) {
1541    status_t err = setupRawAudioFormat(
1542            encoder ? kPortIndexInput : kPortIndexOutput, sampleRate, numChannels);
1543
1544    if (err != OK) {
1545        return err;
1546    }
1547
1548    if (encoder) {
1549        ALOGW("AC3 encoding is not supported.");
1550        return INVALID_OPERATION;
1551    }
1552
1553    OMX_AUDIO_PARAM_ANDROID_AC3TYPE def;
1554    InitOMXParams(&def);
1555    def.nPortIndex = kPortIndexInput;
1556
1557    err = mOMX->getParameter(
1558            mNode,
1559            (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3,
1560            &def,
1561            sizeof(def));
1562
1563    if (err != OK) {
1564        return err;
1565    }
1566
1567    def.nChannels = numChannels;
1568    def.nSampleRate = sampleRate;
1569
1570    return mOMX->setParameter(
1571            mNode,
1572            (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3,
1573            &def,
1574            sizeof(def));
1575}
1576
1577static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(
1578        bool isAMRWB, int32_t bps) {
1579    if (isAMRWB) {
1580        if (bps <= 6600) {
1581            return OMX_AUDIO_AMRBandModeWB0;
1582        } else if (bps <= 8850) {
1583            return OMX_AUDIO_AMRBandModeWB1;
1584        } else if (bps <= 12650) {
1585            return OMX_AUDIO_AMRBandModeWB2;
1586        } else if (bps <= 14250) {
1587            return OMX_AUDIO_AMRBandModeWB3;
1588        } else if (bps <= 15850) {
1589            return OMX_AUDIO_AMRBandModeWB4;
1590        } else if (bps <= 18250) {
1591            return OMX_AUDIO_AMRBandModeWB5;
1592        } else if (bps <= 19850) {
1593            return OMX_AUDIO_AMRBandModeWB6;
1594        } else if (bps <= 23050) {
1595            return OMX_AUDIO_AMRBandModeWB7;
1596        }
1597
1598        // 23850 bps
1599        return OMX_AUDIO_AMRBandModeWB8;
1600    } else {  // AMRNB
1601        if (bps <= 4750) {
1602            return OMX_AUDIO_AMRBandModeNB0;
1603        } else if (bps <= 5150) {
1604            return OMX_AUDIO_AMRBandModeNB1;
1605        } else if (bps <= 5900) {
1606            return OMX_AUDIO_AMRBandModeNB2;
1607        } else if (bps <= 6700) {
1608            return OMX_AUDIO_AMRBandModeNB3;
1609        } else if (bps <= 7400) {
1610            return OMX_AUDIO_AMRBandModeNB4;
1611        } else if (bps <= 7950) {
1612            return OMX_AUDIO_AMRBandModeNB5;
1613        } else if (bps <= 10200) {
1614            return OMX_AUDIO_AMRBandModeNB6;
1615        }
1616
1617        // 12200 bps
1618        return OMX_AUDIO_AMRBandModeNB7;
1619    }
1620}
1621
1622status_t ACodec::setupAMRCodec(bool encoder, bool isWAMR, int32_t bitrate) {
1623    OMX_AUDIO_PARAM_AMRTYPE def;
1624    InitOMXParams(&def);
1625    def.nPortIndex = encoder ? kPortIndexOutput : kPortIndexInput;
1626
1627    status_t err =
1628        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1629
1630    if (err != OK) {
1631        return err;
1632    }
1633
1634    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1635    def.eAMRBandMode = pickModeFromBitRate(isWAMR, bitrate);
1636
1637    err = mOMX->setParameter(
1638            mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1639
1640    if (err != OK) {
1641        return err;
1642    }
1643
1644    return setupRawAudioFormat(
1645            encoder ? kPortIndexInput : kPortIndexOutput,
1646            isWAMR ? 16000 : 8000 /* sampleRate */,
1647            1 /* numChannels */);
1648}
1649
1650status_t ACodec::setupG711Codec(bool encoder, int32_t numChannels) {
1651    CHECK(!encoder);  // XXX TODO
1652
1653    return setupRawAudioFormat(
1654            kPortIndexInput, 8000 /* sampleRate */, numChannels);
1655}
1656
1657status_t ACodec::setupFlacCodec(
1658        bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel) {
1659
1660    if (encoder) {
1661        OMX_AUDIO_PARAM_FLACTYPE def;
1662        InitOMXParams(&def);
1663        def.nPortIndex = kPortIndexOutput;
1664
1665        // configure compression level
1666        status_t err = mOMX->getParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1667        if (err != OK) {
1668            ALOGE("setupFlacCodec(): Error %d getting OMX_IndexParamAudioFlac parameter", err);
1669            return err;
1670        }
1671        def.nCompressionLevel = compressionLevel;
1672        err = mOMX->setParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1673        if (err != OK) {
1674            ALOGE("setupFlacCodec(): Error %d setting OMX_IndexParamAudioFlac parameter", err);
1675            return err;
1676        }
1677    }
1678
1679    return setupRawAudioFormat(
1680            encoder ? kPortIndexInput : kPortIndexOutput,
1681            sampleRate,
1682            numChannels);
1683}
1684
1685status_t ACodec::setupRawAudioFormat(
1686        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1687    OMX_PARAM_PORTDEFINITIONTYPE def;
1688    InitOMXParams(&def);
1689    def.nPortIndex = portIndex;
1690
1691    status_t err = mOMX->getParameter(
1692            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1693
1694    if (err != OK) {
1695        return err;
1696    }
1697
1698    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
1699
1700    err = mOMX->setParameter(
1701            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1702
1703    if (err != OK) {
1704        return err;
1705    }
1706
1707    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1708    InitOMXParams(&pcmParams);
1709    pcmParams.nPortIndex = portIndex;
1710
1711    err = mOMX->getParameter(
1712            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1713
1714    if (err != OK) {
1715        return err;
1716    }
1717
1718    pcmParams.nChannels = numChannels;
1719    pcmParams.eNumData = OMX_NumericalDataSigned;
1720    pcmParams.bInterleaved = OMX_TRUE;
1721    pcmParams.nBitPerSample = 16;
1722    pcmParams.nSamplingRate = sampleRate;
1723    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1724
1725    if (getOMXChannelMapping(numChannels, pcmParams.eChannelMapping) != OK) {
1726        return OMX_ErrorNone;
1727    }
1728
1729    return mOMX->setParameter(
1730            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1731}
1732
1733status_t ACodec::setVideoPortFormatType(
1734        OMX_U32 portIndex,
1735        OMX_VIDEO_CODINGTYPE compressionFormat,
1736        OMX_COLOR_FORMATTYPE colorFormat) {
1737    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1738    InitOMXParams(&format);
1739    format.nPortIndex = portIndex;
1740    format.nIndex = 0;
1741    bool found = false;
1742
1743    OMX_U32 index = 0;
1744    for (;;) {
1745        format.nIndex = index;
1746        status_t err = mOMX->getParameter(
1747                mNode, OMX_IndexParamVideoPortFormat,
1748                &format, sizeof(format));
1749
1750        if (err != OK) {
1751            return err;
1752        }
1753
1754        // The following assertion is violated by TI's video decoder.
1755        // CHECK_EQ(format.nIndex, index);
1756
1757        if (!strcmp("OMX.TI.Video.encoder", mComponentName.c_str())) {
1758            if (portIndex == kPortIndexInput
1759                    && colorFormat == format.eColorFormat) {
1760                // eCompressionFormat does not seem right.
1761                found = true;
1762                break;
1763            }
1764            if (portIndex == kPortIndexOutput
1765                    && compressionFormat == format.eCompressionFormat) {
1766                // eColorFormat does not seem right.
1767                found = true;
1768                break;
1769            }
1770        }
1771
1772        if (format.eCompressionFormat == compressionFormat
1773            && format.eColorFormat == colorFormat) {
1774            found = true;
1775            break;
1776        }
1777
1778        ++index;
1779    }
1780
1781    if (!found) {
1782        return UNKNOWN_ERROR;
1783    }
1784
1785    status_t err = mOMX->setParameter(
1786            mNode, OMX_IndexParamVideoPortFormat,
1787            &format, sizeof(format));
1788
1789    return err;
1790}
1791
1792status_t ACodec::setSupportedOutputFormat() {
1793    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1794    InitOMXParams(&format);
1795    format.nPortIndex = kPortIndexOutput;
1796    format.nIndex = 0;
1797
1798    status_t err = mOMX->getParameter(
1799            mNode, OMX_IndexParamVideoPortFormat,
1800            &format, sizeof(format));
1801    CHECK_EQ(err, (status_t)OK);
1802    CHECK_EQ((int)format.eCompressionFormat, (int)OMX_VIDEO_CodingUnused);
1803
1804    return mOMX->setParameter(
1805            mNode, OMX_IndexParamVideoPortFormat,
1806            &format, sizeof(format));
1807}
1808
1809static const struct VideoCodingMapEntry {
1810    const char *mMime;
1811    OMX_VIDEO_CODINGTYPE mVideoCodingType;
1812} kVideoCodingMapEntry[] = {
1813    { MEDIA_MIMETYPE_VIDEO_AVC, OMX_VIDEO_CodingAVC },
1814    { MEDIA_MIMETYPE_VIDEO_MPEG4, OMX_VIDEO_CodingMPEG4 },
1815    { MEDIA_MIMETYPE_VIDEO_H263, OMX_VIDEO_CodingH263 },
1816    { MEDIA_MIMETYPE_VIDEO_MPEG2, OMX_VIDEO_CodingMPEG2 },
1817    { MEDIA_MIMETYPE_VIDEO_VP8, OMX_VIDEO_CodingVP8 },
1818    { MEDIA_MIMETYPE_VIDEO_VP9, OMX_VIDEO_CodingVP9 },
1819};
1820
1821static status_t GetVideoCodingTypeFromMime(
1822        const char *mime, OMX_VIDEO_CODINGTYPE *codingType) {
1823    for (size_t i = 0;
1824         i < sizeof(kVideoCodingMapEntry) / sizeof(kVideoCodingMapEntry[0]);
1825         ++i) {
1826        if (!strcasecmp(mime, kVideoCodingMapEntry[i].mMime)) {
1827            *codingType = kVideoCodingMapEntry[i].mVideoCodingType;
1828            return OK;
1829        }
1830    }
1831
1832    *codingType = OMX_VIDEO_CodingUnused;
1833
1834    return ERROR_UNSUPPORTED;
1835}
1836
1837static status_t GetMimeTypeForVideoCoding(
1838        OMX_VIDEO_CODINGTYPE codingType, AString *mime) {
1839    for (size_t i = 0;
1840         i < sizeof(kVideoCodingMapEntry) / sizeof(kVideoCodingMapEntry[0]);
1841         ++i) {
1842        if (codingType == kVideoCodingMapEntry[i].mVideoCodingType) {
1843            *mime = kVideoCodingMapEntry[i].mMime;
1844            return OK;
1845        }
1846    }
1847
1848    mime->clear();
1849
1850    return ERROR_UNSUPPORTED;
1851}
1852
1853status_t ACodec::setupVideoDecoder(
1854        const char *mime, int32_t width, int32_t height) {
1855    OMX_VIDEO_CODINGTYPE compressionFormat;
1856    status_t err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1857
1858    if (err != OK) {
1859        return err;
1860    }
1861
1862    err = setVideoPortFormatType(
1863            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
1864
1865    if (err != OK) {
1866        return err;
1867    }
1868
1869    err = setSupportedOutputFormat();
1870
1871    if (err != OK) {
1872        return err;
1873    }
1874
1875    err = setVideoFormatOnPort(
1876            kPortIndexInput, width, height, compressionFormat);
1877
1878    if (err != OK) {
1879        return err;
1880    }
1881
1882    err = setVideoFormatOnPort(
1883            kPortIndexOutput, width, height, OMX_VIDEO_CodingUnused);
1884
1885    if (err != OK) {
1886        return err;
1887    }
1888
1889    return OK;
1890}
1891
1892status_t ACodec::setupVideoEncoder(const char *mime, const sp<AMessage> &msg) {
1893    int32_t tmp;
1894    if (!msg->findInt32("color-format", &tmp)) {
1895        return INVALID_OPERATION;
1896    }
1897
1898    OMX_COLOR_FORMATTYPE colorFormat =
1899        static_cast<OMX_COLOR_FORMATTYPE>(tmp);
1900
1901    status_t err = setVideoPortFormatType(
1902            kPortIndexInput, OMX_VIDEO_CodingUnused, colorFormat);
1903
1904    if (err != OK) {
1905        ALOGE("[%s] does not support color format %d",
1906              mComponentName.c_str(), colorFormat);
1907
1908        return err;
1909    }
1910
1911    /* Input port configuration */
1912
1913    OMX_PARAM_PORTDEFINITIONTYPE def;
1914    InitOMXParams(&def);
1915
1916    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1917
1918    def.nPortIndex = kPortIndexInput;
1919
1920    err = mOMX->getParameter(
1921            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1922
1923    if (err != OK) {
1924        return err;
1925    }
1926
1927    int32_t width, height, bitrate;
1928    if (!msg->findInt32("width", &width)
1929            || !msg->findInt32("height", &height)
1930            || !msg->findInt32("bitrate", &bitrate)) {
1931        return INVALID_OPERATION;
1932    }
1933
1934    video_def->nFrameWidth = width;
1935    video_def->nFrameHeight = height;
1936
1937    int32_t stride;
1938    if (!msg->findInt32("stride", &stride)) {
1939        stride = width;
1940    }
1941
1942    video_def->nStride = stride;
1943
1944    int32_t sliceHeight;
1945    if (!msg->findInt32("slice-height", &sliceHeight)) {
1946        sliceHeight = height;
1947    }
1948
1949    video_def->nSliceHeight = sliceHeight;
1950
1951    def.nBufferSize = (video_def->nStride * video_def->nSliceHeight * 3) / 2;
1952
1953    float frameRate;
1954    if (!msg->findFloat("frame-rate", &frameRate)) {
1955        int32_t tmp;
1956        if (!msg->findInt32("frame-rate", &tmp)) {
1957            return INVALID_OPERATION;
1958        }
1959        frameRate = (float)tmp;
1960        mTimePerFrameUs = (int64_t) (1000000.0f / frameRate);
1961    }
1962
1963    video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
1964    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
1965    video_def->eColorFormat = colorFormat;
1966
1967    err = mOMX->setParameter(
1968            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1969
1970    if (err != OK) {
1971        ALOGE("[%s] failed to set input port definition parameters.",
1972              mComponentName.c_str());
1973
1974        return err;
1975    }
1976
1977    /* Output port configuration */
1978
1979    OMX_VIDEO_CODINGTYPE compressionFormat;
1980    err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1981
1982    if (err != OK) {
1983        return err;
1984    }
1985
1986    err = setVideoPortFormatType(
1987            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
1988
1989    if (err != OK) {
1990        ALOGE("[%s] does not support compression format %d",
1991             mComponentName.c_str(), compressionFormat);
1992
1993        return err;
1994    }
1995
1996    def.nPortIndex = kPortIndexOutput;
1997
1998    err = mOMX->getParameter(
1999            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2000
2001    if (err != OK) {
2002        return err;
2003    }
2004
2005    video_def->nFrameWidth = width;
2006    video_def->nFrameHeight = height;
2007    video_def->xFramerate = 0;
2008    video_def->nBitrate = bitrate;
2009    video_def->eCompressionFormat = compressionFormat;
2010    video_def->eColorFormat = OMX_COLOR_FormatUnused;
2011
2012    err = mOMX->setParameter(
2013            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2014
2015    if (err != OK) {
2016        ALOGE("[%s] failed to set output port definition parameters.",
2017              mComponentName.c_str());
2018
2019        return err;
2020    }
2021
2022    switch (compressionFormat) {
2023        case OMX_VIDEO_CodingMPEG4:
2024            err = setupMPEG4EncoderParameters(msg);
2025            break;
2026
2027        case OMX_VIDEO_CodingH263:
2028            err = setupH263EncoderParameters(msg);
2029            break;
2030
2031        case OMX_VIDEO_CodingAVC:
2032            err = setupAVCEncoderParameters(msg);
2033            break;
2034
2035        case OMX_VIDEO_CodingVP8:
2036        case OMX_VIDEO_CodingVP9:
2037            err = setupVPXEncoderParameters(msg);
2038            break;
2039
2040        default:
2041            break;
2042    }
2043
2044    ALOGI("setupVideoEncoder succeeded");
2045
2046    return err;
2047}
2048
2049status_t ACodec::setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode) {
2050    OMX_VIDEO_PARAM_INTRAREFRESHTYPE params;
2051    InitOMXParams(&params);
2052    params.nPortIndex = kPortIndexOutput;
2053
2054    params.eRefreshMode = static_cast<OMX_VIDEO_INTRAREFRESHTYPE>(mode);
2055
2056    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshCyclic ||
2057            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
2058        int32_t mbs;
2059        if (!msg->findInt32("intra-refresh-CIR-mbs", &mbs)) {
2060            return INVALID_OPERATION;
2061        }
2062        params.nCirMBs = mbs;
2063    }
2064
2065    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshAdaptive ||
2066            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
2067        int32_t mbs;
2068        if (!msg->findInt32("intra-refresh-AIR-mbs", &mbs)) {
2069            return INVALID_OPERATION;
2070        }
2071        params.nAirMBs = mbs;
2072
2073        int32_t ref;
2074        if (!msg->findInt32("intra-refresh-AIR-ref", &ref)) {
2075            return INVALID_OPERATION;
2076        }
2077        params.nAirRef = ref;
2078    }
2079
2080    status_t err = mOMX->setParameter(
2081            mNode, OMX_IndexParamVideoIntraRefresh,
2082            &params, sizeof(params));
2083    return err;
2084}
2085
2086static OMX_U32 setPFramesSpacing(int32_t iFramesInterval, int32_t frameRate) {
2087    if (iFramesInterval < 0) {
2088        return 0xFFFFFFFF;
2089    } else if (iFramesInterval == 0) {
2090        return 0;
2091    }
2092    OMX_U32 ret = frameRate * iFramesInterval;
2093    CHECK(ret > 1);
2094    return ret;
2095}
2096
2097static OMX_VIDEO_CONTROLRATETYPE getBitrateMode(const sp<AMessage> &msg) {
2098    int32_t tmp;
2099    if (!msg->findInt32("bitrate-mode", &tmp)) {
2100        return OMX_Video_ControlRateVariable;
2101    }
2102
2103    return static_cast<OMX_VIDEO_CONTROLRATETYPE>(tmp);
2104}
2105
2106status_t ACodec::setupMPEG4EncoderParameters(const sp<AMessage> &msg) {
2107    int32_t bitrate, iFrameInterval;
2108    if (!msg->findInt32("bitrate", &bitrate)
2109            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
2110        return INVALID_OPERATION;
2111    }
2112
2113    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
2114
2115    float frameRate;
2116    if (!msg->findFloat("frame-rate", &frameRate)) {
2117        int32_t tmp;
2118        if (!msg->findInt32("frame-rate", &tmp)) {
2119            return INVALID_OPERATION;
2120        }
2121        frameRate = (float)tmp;
2122    }
2123
2124    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
2125    InitOMXParams(&mpeg4type);
2126    mpeg4type.nPortIndex = kPortIndexOutput;
2127
2128    status_t err = mOMX->getParameter(
2129            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
2130
2131    if (err != OK) {
2132        return err;
2133    }
2134
2135    mpeg4type.nSliceHeaderSpacing = 0;
2136    mpeg4type.bSVH = OMX_FALSE;
2137    mpeg4type.bGov = OMX_FALSE;
2138
2139    mpeg4type.nAllowedPictureTypes =
2140        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
2141
2142    mpeg4type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
2143    if (mpeg4type.nPFrames == 0) {
2144        mpeg4type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
2145    }
2146    mpeg4type.nBFrames = 0;
2147    mpeg4type.nIDCVLCThreshold = 0;
2148    mpeg4type.bACPred = OMX_TRUE;
2149    mpeg4type.nMaxPacketSize = 256;
2150    mpeg4type.nTimeIncRes = 1000;
2151    mpeg4type.nHeaderExtension = 0;
2152    mpeg4type.bReversibleVLC = OMX_FALSE;
2153
2154    int32_t profile;
2155    if (msg->findInt32("profile", &profile)) {
2156        int32_t level;
2157        if (!msg->findInt32("level", &level)) {
2158            return INVALID_OPERATION;
2159        }
2160
2161        err = verifySupportForProfileAndLevel(profile, level);
2162
2163        if (err != OK) {
2164            return err;
2165        }
2166
2167        mpeg4type.eProfile = static_cast<OMX_VIDEO_MPEG4PROFILETYPE>(profile);
2168        mpeg4type.eLevel = static_cast<OMX_VIDEO_MPEG4LEVELTYPE>(level);
2169    }
2170
2171    err = mOMX->setParameter(
2172            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
2173
2174    if (err != OK) {
2175        return err;
2176    }
2177
2178    err = configureBitrate(bitrate, bitrateMode);
2179
2180    if (err != OK) {
2181        return err;
2182    }
2183
2184    return setupErrorCorrectionParameters();
2185}
2186
2187status_t ACodec::setupH263EncoderParameters(const sp<AMessage> &msg) {
2188    int32_t bitrate, iFrameInterval;
2189    if (!msg->findInt32("bitrate", &bitrate)
2190            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
2191        return INVALID_OPERATION;
2192    }
2193
2194    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
2195
2196    float frameRate;
2197    if (!msg->findFloat("frame-rate", &frameRate)) {
2198        int32_t tmp;
2199        if (!msg->findInt32("frame-rate", &tmp)) {
2200            return INVALID_OPERATION;
2201        }
2202        frameRate = (float)tmp;
2203    }
2204
2205    OMX_VIDEO_PARAM_H263TYPE h263type;
2206    InitOMXParams(&h263type);
2207    h263type.nPortIndex = kPortIndexOutput;
2208
2209    status_t err = mOMX->getParameter(
2210            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
2211
2212    if (err != OK) {
2213        return err;
2214    }
2215
2216    h263type.nAllowedPictureTypes =
2217        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
2218
2219    h263type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
2220    if (h263type.nPFrames == 0) {
2221        h263type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
2222    }
2223    h263type.nBFrames = 0;
2224
2225    int32_t profile;
2226    if (msg->findInt32("profile", &profile)) {
2227        int32_t level;
2228        if (!msg->findInt32("level", &level)) {
2229            return INVALID_OPERATION;
2230        }
2231
2232        err = verifySupportForProfileAndLevel(profile, level);
2233
2234        if (err != OK) {
2235            return err;
2236        }
2237
2238        h263type.eProfile = static_cast<OMX_VIDEO_H263PROFILETYPE>(profile);
2239        h263type.eLevel = static_cast<OMX_VIDEO_H263LEVELTYPE>(level);
2240    }
2241
2242    h263type.bPLUSPTYPEAllowed = OMX_FALSE;
2243    h263type.bForceRoundingTypeToZero = OMX_FALSE;
2244    h263type.nPictureHeaderRepetition = 0;
2245    h263type.nGOBHeaderInterval = 0;
2246
2247    err = mOMX->setParameter(
2248            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
2249
2250    if (err != OK) {
2251        return err;
2252    }
2253
2254    err = configureBitrate(bitrate, bitrateMode);
2255
2256    if (err != OK) {
2257        return err;
2258    }
2259
2260    return setupErrorCorrectionParameters();
2261}
2262
2263status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
2264    int32_t bitrate, iFrameInterval;
2265    if (!msg->findInt32("bitrate", &bitrate)
2266            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
2267        return INVALID_OPERATION;
2268    }
2269
2270    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
2271
2272    float frameRate;
2273    if (!msg->findFloat("frame-rate", &frameRate)) {
2274        int32_t tmp;
2275        if (!msg->findInt32("frame-rate", &tmp)) {
2276            return INVALID_OPERATION;
2277        }
2278        frameRate = (float)tmp;
2279    }
2280
2281    status_t err = OK;
2282    int32_t intraRefreshMode = 0;
2283    if (msg->findInt32("intra-refresh-mode", &intraRefreshMode)) {
2284        err = setCyclicIntraMacroblockRefresh(msg, intraRefreshMode);
2285        if (err != OK) {
2286            ALOGE("Setting intra macroblock refresh mode (%d) failed: 0x%x",
2287                    err, intraRefreshMode);
2288            return err;
2289        }
2290    }
2291
2292    OMX_VIDEO_PARAM_AVCTYPE h264type;
2293    InitOMXParams(&h264type);
2294    h264type.nPortIndex = kPortIndexOutput;
2295
2296    err = mOMX->getParameter(
2297            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
2298
2299    if (err != OK) {
2300        return err;
2301    }
2302
2303    h264type.nAllowedPictureTypes =
2304        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
2305
2306    int32_t profile;
2307    if (msg->findInt32("profile", &profile)) {
2308        int32_t level;
2309        if (!msg->findInt32("level", &level)) {
2310            return INVALID_OPERATION;
2311        }
2312
2313        err = verifySupportForProfileAndLevel(profile, level);
2314
2315        if (err != OK) {
2316            return err;
2317        }
2318
2319        h264type.eProfile = static_cast<OMX_VIDEO_AVCPROFILETYPE>(profile);
2320        h264type.eLevel = static_cast<OMX_VIDEO_AVCLEVELTYPE>(level);
2321    }
2322
2323    // XXX
2324    if (h264type.eProfile != OMX_VIDEO_AVCProfileBaseline) {
2325        ALOGW("Use baseline profile instead of %d for AVC recording",
2326            h264type.eProfile);
2327        h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
2328    }
2329
2330    if (h264type.eProfile == OMX_VIDEO_AVCProfileBaseline) {
2331        h264type.nSliceHeaderSpacing = 0;
2332        h264type.bUseHadamard = OMX_TRUE;
2333        h264type.nRefFrames = 1;
2334        h264type.nBFrames = 0;
2335        h264type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
2336        if (h264type.nPFrames == 0) {
2337            h264type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
2338        }
2339        h264type.nRefIdx10ActiveMinus1 = 0;
2340        h264type.nRefIdx11ActiveMinus1 = 0;
2341        h264type.bEntropyCodingCABAC = OMX_FALSE;
2342        h264type.bWeightedPPrediction = OMX_FALSE;
2343        h264type.bconstIpred = OMX_FALSE;
2344        h264type.bDirect8x8Inference = OMX_FALSE;
2345        h264type.bDirectSpatialTemporal = OMX_FALSE;
2346        h264type.nCabacInitIdc = 0;
2347    }
2348
2349    if (h264type.nBFrames != 0) {
2350        h264type.nAllowedPictureTypes |= OMX_VIDEO_PictureTypeB;
2351    }
2352
2353    h264type.bEnableUEP = OMX_FALSE;
2354    h264type.bEnableFMO = OMX_FALSE;
2355    h264type.bEnableASO = OMX_FALSE;
2356    h264type.bEnableRS = OMX_FALSE;
2357    h264type.bFrameMBsOnly = OMX_TRUE;
2358    h264type.bMBAFF = OMX_FALSE;
2359    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
2360
2361    err = mOMX->setParameter(
2362            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
2363
2364    if (err != OK) {
2365        return err;
2366    }
2367
2368    return configureBitrate(bitrate, bitrateMode);
2369}
2370
2371status_t ACodec::setupVPXEncoderParameters(const sp<AMessage> &msg) {
2372    int32_t bitrate;
2373    if (!msg->findInt32("bitrate", &bitrate)) {
2374        return INVALID_OPERATION;
2375    }
2376
2377    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
2378
2379    return configureBitrate(bitrate, bitrateMode);
2380}
2381
2382status_t ACodec::verifySupportForProfileAndLevel(
2383        int32_t profile, int32_t level) {
2384    OMX_VIDEO_PARAM_PROFILELEVELTYPE params;
2385    InitOMXParams(&params);
2386    params.nPortIndex = kPortIndexOutput;
2387
2388    for (params.nProfileIndex = 0;; ++params.nProfileIndex) {
2389        status_t err = mOMX->getParameter(
2390                mNode,
2391                OMX_IndexParamVideoProfileLevelQuerySupported,
2392                &params,
2393                sizeof(params));
2394
2395        if (err != OK) {
2396            return err;
2397        }
2398
2399        int32_t supportedProfile = static_cast<int32_t>(params.eProfile);
2400        int32_t supportedLevel = static_cast<int32_t>(params.eLevel);
2401
2402        if (profile == supportedProfile && level <= supportedLevel) {
2403            return OK;
2404        }
2405    }
2406}
2407
2408status_t ACodec::configureBitrate(
2409        int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode) {
2410    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
2411    InitOMXParams(&bitrateType);
2412    bitrateType.nPortIndex = kPortIndexOutput;
2413
2414    status_t err = mOMX->getParameter(
2415            mNode, OMX_IndexParamVideoBitrate,
2416            &bitrateType, sizeof(bitrateType));
2417
2418    if (err != OK) {
2419        return err;
2420    }
2421
2422    bitrateType.eControlRate = bitrateMode;
2423    bitrateType.nTargetBitrate = bitrate;
2424
2425    return mOMX->setParameter(
2426            mNode, OMX_IndexParamVideoBitrate,
2427            &bitrateType, sizeof(bitrateType));
2428}
2429
2430status_t ACodec::setupErrorCorrectionParameters() {
2431    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
2432    InitOMXParams(&errorCorrectionType);
2433    errorCorrectionType.nPortIndex = kPortIndexOutput;
2434
2435    status_t err = mOMX->getParameter(
2436            mNode, OMX_IndexParamVideoErrorCorrection,
2437            &errorCorrectionType, sizeof(errorCorrectionType));
2438
2439    if (err != OK) {
2440        return OK;  // Optional feature. Ignore this failure
2441    }
2442
2443    errorCorrectionType.bEnableHEC = OMX_FALSE;
2444    errorCorrectionType.bEnableResync = OMX_TRUE;
2445    errorCorrectionType.nResynchMarkerSpacing = 256;
2446    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
2447    errorCorrectionType.bEnableRVLC = OMX_FALSE;
2448
2449    return mOMX->setParameter(
2450            mNode, OMX_IndexParamVideoErrorCorrection,
2451            &errorCorrectionType, sizeof(errorCorrectionType));
2452}
2453
2454status_t ACodec::setVideoFormatOnPort(
2455        OMX_U32 portIndex,
2456        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
2457    OMX_PARAM_PORTDEFINITIONTYPE def;
2458    InitOMXParams(&def);
2459    def.nPortIndex = portIndex;
2460
2461    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2462
2463    status_t err = mOMX->getParameter(
2464            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2465
2466    CHECK_EQ(err, (status_t)OK);
2467
2468    if (portIndex == kPortIndexInput) {
2469        // XXX Need a (much) better heuristic to compute input buffer sizes.
2470        const size_t X = 64 * 1024;
2471        if (def.nBufferSize < X) {
2472            def.nBufferSize = X;
2473        }
2474    }
2475
2476    CHECK_EQ((int)def.eDomain, (int)OMX_PortDomainVideo);
2477
2478    video_def->nFrameWidth = width;
2479    video_def->nFrameHeight = height;
2480
2481    if (portIndex == kPortIndexInput) {
2482        video_def->eCompressionFormat = compressionFormat;
2483        video_def->eColorFormat = OMX_COLOR_FormatUnused;
2484    }
2485
2486    err = mOMX->setParameter(
2487            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2488
2489    return err;
2490}
2491
2492status_t ACodec::initNativeWindow() {
2493    if (mNativeWindow != NULL) {
2494        return mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_TRUE);
2495    }
2496
2497    mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_FALSE);
2498    return OK;
2499}
2500
2501size_t ACodec::countBuffersOwnedByComponent(OMX_U32 portIndex) const {
2502    size_t n = 0;
2503
2504    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2505        const BufferInfo &info = mBuffers[portIndex].itemAt(i);
2506
2507        if (info.mStatus == BufferInfo::OWNED_BY_COMPONENT) {
2508            ++n;
2509        }
2510    }
2511
2512    return n;
2513}
2514
2515size_t ACodec::countBuffersOwnedByNativeWindow() const {
2516    size_t n = 0;
2517
2518    for (size_t i = 0; i < mBuffers[kPortIndexOutput].size(); ++i) {
2519        const BufferInfo &info = mBuffers[kPortIndexOutput].itemAt(i);
2520
2521        if (info.mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2522            ++n;
2523        }
2524    }
2525
2526    return n;
2527}
2528
2529void ACodec::waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs() {
2530    if (mNativeWindow == NULL) {
2531        return;
2532    }
2533
2534    while (countBuffersOwnedByNativeWindow() > mNumUndequeuedBuffers
2535            && dequeueBufferFromNativeWindow() != NULL) {
2536        // these buffers will be submitted as regular buffers; account for this
2537        if (mStoreMetaDataInOutputBuffers && mMetaDataBuffersToSubmit > 0) {
2538            --mMetaDataBuffersToSubmit;
2539        }
2540    }
2541}
2542
2543bool ACodec::allYourBuffersAreBelongToUs(
2544        OMX_U32 portIndex) {
2545    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2546        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
2547
2548        if (info->mStatus != BufferInfo::OWNED_BY_US
2549                && info->mStatus != BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2550            ALOGV("[%s] Buffer %p on port %ld still has status %d",
2551                    mComponentName.c_str(),
2552                    info->mBufferID, portIndex, info->mStatus);
2553            return false;
2554        }
2555    }
2556
2557    return true;
2558}
2559
2560bool ACodec::allYourBuffersAreBelongToUs() {
2561    return allYourBuffersAreBelongToUs(kPortIndexInput)
2562        && allYourBuffersAreBelongToUs(kPortIndexOutput);
2563}
2564
2565void ACodec::deferMessage(const sp<AMessage> &msg) {
2566    bool wasEmptyBefore = mDeferredQueue.empty();
2567    mDeferredQueue.push_back(msg);
2568}
2569
2570void ACodec::processDeferredMessages() {
2571    List<sp<AMessage> > queue = mDeferredQueue;
2572    mDeferredQueue.clear();
2573
2574    List<sp<AMessage> >::iterator it = queue.begin();
2575    while (it != queue.end()) {
2576        onMessageReceived(*it++);
2577    }
2578}
2579
2580status_t ACodec::getPortFormat(OMX_U32 portIndex, sp<AMessage> &notify) {
2581    // TODO: catch errors an return them instead of using CHECK
2582    OMX_PARAM_PORTDEFINITIONTYPE def;
2583    InitOMXParams(&def);
2584    def.nPortIndex = portIndex;
2585
2586    CHECK_EQ(mOMX->getParameter(
2587                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def)),
2588             (status_t)OK);
2589
2590    CHECK_EQ((int)def.eDir,
2591            (int)(portIndex == kPortIndexOutput ? OMX_DirOutput : OMX_DirInput));
2592
2593    switch (def.eDomain) {
2594        case OMX_PortDomainVideo:
2595        {
2596            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2597            switch ((int)videoDef->eCompressionFormat) {
2598                case OMX_VIDEO_CodingUnused:
2599                {
2600                    CHECK(mIsEncoder ^ (portIndex == kPortIndexOutput));
2601                    notify->setString("mime", MEDIA_MIMETYPE_VIDEO_RAW);
2602
2603                    notify->setInt32("stride", videoDef->nStride);
2604                    notify->setInt32("slice-height", videoDef->nSliceHeight);
2605                    notify->setInt32("color-format", videoDef->eColorFormat);
2606
2607                    OMX_CONFIG_RECTTYPE rect;
2608                    InitOMXParams(&rect);
2609                    rect.nPortIndex = kPortIndexOutput;
2610
2611                    if (mOMX->getConfig(
2612                                mNode, OMX_IndexConfigCommonOutputCrop,
2613                                &rect, sizeof(rect)) != OK) {
2614                        rect.nLeft = 0;
2615                        rect.nTop = 0;
2616                        rect.nWidth = videoDef->nFrameWidth;
2617                        rect.nHeight = videoDef->nFrameHeight;
2618                    }
2619
2620                    CHECK_GE(rect.nLeft, 0);
2621                    CHECK_GE(rect.nTop, 0);
2622                    CHECK_GE(rect.nWidth, 0u);
2623                    CHECK_GE(rect.nHeight, 0u);
2624                    CHECK_LE(rect.nLeft + rect.nWidth - 1, videoDef->nFrameWidth);
2625                    CHECK_LE(rect.nTop + rect.nHeight - 1, videoDef->nFrameHeight);
2626
2627                    notify->setRect(
2628                            "crop",
2629                            rect.nLeft,
2630                            rect.nTop,
2631                            rect.nLeft + rect.nWidth - 1,
2632                            rect.nTop + rect.nHeight - 1);
2633
2634                    break;
2635                }
2636                default:
2637                {
2638                    CHECK(mIsEncoder ^ (portIndex == kPortIndexInput));
2639                    AString mime;
2640                    if (GetMimeTypeForVideoCoding(
2641                        videoDef->eCompressionFormat, &mime) != OK) {
2642                        notify->setString("mime", "application/octet-stream");
2643                    } else {
2644                        notify->setString("mime", mime.c_str());
2645                    }
2646                    break;
2647                }
2648            }
2649
2650            notify->setInt32("width", videoDef->nFrameWidth);
2651            notify->setInt32("height", videoDef->nFrameHeight);
2652            break;
2653        }
2654
2655        case OMX_PortDomainAudio:
2656        {
2657            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2658
2659            switch ((int)audioDef->eEncoding) {
2660                case OMX_AUDIO_CodingPCM:
2661                {
2662                    OMX_AUDIO_PARAM_PCMMODETYPE params;
2663                    InitOMXParams(&params);
2664                    params.nPortIndex = portIndex;
2665
2666                    CHECK_EQ(mOMX->getParameter(
2667                                mNode, OMX_IndexParamAudioPcm,
2668                                &params, sizeof(params)),
2669                             (status_t)OK);
2670
2671                    CHECK_GT(params.nChannels, 0);
2672                    CHECK(params.nChannels == 1 || params.bInterleaved);
2673                    CHECK_EQ(params.nBitPerSample, 16u);
2674
2675                    CHECK_EQ((int)params.eNumData,
2676                             (int)OMX_NumericalDataSigned);
2677
2678                    CHECK_EQ((int)params.ePCMMode,
2679                             (int)OMX_AUDIO_PCMModeLinear);
2680
2681                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_RAW);
2682                    notify->setInt32("channel-count", params.nChannels);
2683                    notify->setInt32("sample-rate", params.nSamplingRate);
2684
2685                    if (mChannelMaskPresent) {
2686                        notify->setInt32("channel-mask", mChannelMask);
2687                    }
2688                    break;
2689                }
2690
2691                case OMX_AUDIO_CodingAAC:
2692                {
2693                    OMX_AUDIO_PARAM_AACPROFILETYPE params;
2694                    InitOMXParams(&params);
2695                    params.nPortIndex = portIndex;
2696
2697                    CHECK_EQ(mOMX->getParameter(
2698                                mNode, OMX_IndexParamAudioAac,
2699                                &params, sizeof(params)),
2700                             (status_t)OK);
2701
2702                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
2703                    notify->setInt32("channel-count", params.nChannels);
2704                    notify->setInt32("sample-rate", params.nSampleRate);
2705                    break;
2706                }
2707
2708                case OMX_AUDIO_CodingAMR:
2709                {
2710                    OMX_AUDIO_PARAM_AMRTYPE params;
2711                    InitOMXParams(&params);
2712                    params.nPortIndex = portIndex;
2713
2714                    CHECK_EQ(mOMX->getParameter(
2715                                mNode, OMX_IndexParamAudioAmr,
2716                                &params, sizeof(params)),
2717                             (status_t)OK);
2718
2719                    notify->setInt32("channel-count", 1);
2720                    if (params.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0) {
2721                        notify->setString(
2722                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
2723
2724                        notify->setInt32("sample-rate", 16000);
2725                    } else {
2726                        notify->setString(
2727                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
2728
2729                        notify->setInt32("sample-rate", 8000);
2730                    }
2731                    break;
2732                }
2733
2734                case OMX_AUDIO_CodingFLAC:
2735                {
2736                    OMX_AUDIO_PARAM_FLACTYPE params;
2737                    InitOMXParams(&params);
2738                    params.nPortIndex = portIndex;
2739
2740                    CHECK_EQ(mOMX->getParameter(
2741                                mNode, OMX_IndexParamAudioFlac,
2742                                &params, sizeof(params)),
2743                             (status_t)OK);
2744
2745                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_FLAC);
2746                    notify->setInt32("channel-count", params.nChannels);
2747                    notify->setInt32("sample-rate", params.nSampleRate);
2748                    break;
2749                }
2750
2751                case OMX_AUDIO_CodingMP3:
2752                {
2753                    OMX_AUDIO_PARAM_MP3TYPE params;
2754                    InitOMXParams(&params);
2755                    params.nPortIndex = portIndex;
2756
2757                    CHECK_EQ(mOMX->getParameter(
2758                                mNode, OMX_IndexParamAudioMp3,
2759                                &params, sizeof(params)),
2760                             (status_t)OK);
2761
2762                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_MPEG);
2763                    notify->setInt32("channel-count", params.nChannels);
2764                    notify->setInt32("sample-rate", params.nSampleRate);
2765                    break;
2766                }
2767
2768                case OMX_AUDIO_CodingVORBIS:
2769                {
2770                    OMX_AUDIO_PARAM_VORBISTYPE params;
2771                    InitOMXParams(&params);
2772                    params.nPortIndex = portIndex;
2773
2774                    CHECK_EQ(mOMX->getParameter(
2775                                mNode, OMX_IndexParamAudioVorbis,
2776                                &params, sizeof(params)),
2777                             (status_t)OK);
2778
2779                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_VORBIS);
2780                    notify->setInt32("channel-count", params.nChannels);
2781                    notify->setInt32("sample-rate", params.nSampleRate);
2782                    break;
2783                }
2784
2785                case OMX_AUDIO_CodingAndroidAC3:
2786                {
2787                    OMX_AUDIO_PARAM_ANDROID_AC3TYPE params;
2788                    InitOMXParams(&params);
2789                    params.nPortIndex = portIndex;
2790
2791                    CHECK_EQ((status_t)OK, mOMX->getParameter(
2792                            mNode,
2793                            (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3,
2794                            &params,
2795                            sizeof(params)));
2796
2797                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_AC3);
2798                    notify->setInt32("channel-count", params.nChannels);
2799                    notify->setInt32("sample-rate", params.nSampleRate);
2800                    break;
2801                }
2802
2803                default:
2804                    ALOGE("UNKNOWN AUDIO CODING: %d\n", audioDef->eEncoding);
2805                    TRESPASS();
2806            }
2807            break;
2808        }
2809
2810        default:
2811            TRESPASS();
2812    }
2813
2814    return OK;
2815}
2816
2817void ACodec::sendFormatChange(const sp<AMessage> &reply) {
2818    sp<AMessage> notify = mNotify->dup();
2819    notify->setInt32("what", kWhatOutputFormatChanged);
2820
2821    CHECK_EQ(getPortFormat(kPortIndexOutput, notify), (status_t)OK);
2822
2823    AString mime;
2824    CHECK(notify->findString("mime", &mime));
2825
2826    int32_t left, top, right, bottom;
2827    if (mime == MEDIA_MIMETYPE_VIDEO_RAW &&
2828        mNativeWindow != NULL &&
2829        notify->findRect("crop", &left, &top, &right, &bottom)) {
2830        // notify renderer of the crop change
2831        // NOTE: native window uses extended right-bottom coordinate
2832        reply->setRect("crop", left, top, right + 1, bottom + 1);
2833    } else if (mime == MEDIA_MIMETYPE_AUDIO_RAW &&
2834               (mEncoderDelay || mEncoderPadding)) {
2835        int32_t channelCount;
2836        CHECK(notify->findInt32("channel-count", &channelCount));
2837        size_t frameSize = channelCount * sizeof(int16_t);
2838        if (mSkipCutBuffer != NULL) {
2839            size_t prevbufsize = mSkipCutBuffer->size();
2840            if (prevbufsize != 0) {
2841                ALOGW("Replacing SkipCutBuffer holding %d "
2842                      "bytes",
2843                      prevbufsize);
2844            }
2845        }
2846        mSkipCutBuffer = new SkipCutBuffer(
2847                mEncoderDelay * frameSize,
2848                mEncoderPadding * frameSize);
2849    }
2850
2851    notify->post();
2852
2853    mSentFormat = true;
2854}
2855
2856void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
2857    sp<AMessage> notify = mNotify->dup();
2858    notify->setInt32("what", ACodec::kWhatError);
2859    notify->setInt32("omx-error", error);
2860    notify->setInt32("err", internalError);
2861    notify->post();
2862}
2863
2864status_t ACodec::pushBlankBuffersToNativeWindow() {
2865    status_t err = NO_ERROR;
2866    ANativeWindowBuffer* anb = NULL;
2867    int numBufs = 0;
2868    int minUndequeuedBufs = 0;
2869
2870    // We need to reconnect to the ANativeWindow as a CPU client to ensure that
2871    // no frames get dropped by SurfaceFlinger assuming that these are video
2872    // frames.
2873    err = native_window_api_disconnect(mNativeWindow.get(),
2874            NATIVE_WINDOW_API_MEDIA);
2875    if (err != NO_ERROR) {
2876        ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2877                strerror(-err), -err);
2878        return err;
2879    }
2880
2881    err = native_window_api_connect(mNativeWindow.get(),
2882            NATIVE_WINDOW_API_CPU);
2883    if (err != NO_ERROR) {
2884        ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2885                strerror(-err), -err);
2886        return err;
2887    }
2888
2889    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
2890            HAL_PIXEL_FORMAT_RGBX_8888);
2891    if (err != NO_ERROR) {
2892        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
2893                strerror(-err), -err);
2894        goto error;
2895    }
2896
2897    err = native_window_set_scaling_mode(mNativeWindow.get(),
2898                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
2899    if (err != NO_ERROR) {
2900        ALOGE("error pushing blank_frames: set_scaling_mode failed: %s (%d)",
2901              strerror(-err), -err);
2902        goto error;
2903    }
2904
2905    err = native_window_set_usage(mNativeWindow.get(),
2906            GRALLOC_USAGE_SW_WRITE_OFTEN);
2907    if (err != NO_ERROR) {
2908        ALOGE("error pushing blank frames: set_usage failed: %s (%d)",
2909                strerror(-err), -err);
2910        goto error;
2911    }
2912
2913    err = mNativeWindow->query(mNativeWindow.get(),
2914            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
2915    if (err != NO_ERROR) {
2916        ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
2917                "failed: %s (%d)", strerror(-err), -err);
2918        goto error;
2919    }
2920
2921    numBufs = minUndequeuedBufs + 1;
2922    err = native_window_set_buffer_count(mNativeWindow.get(), numBufs);
2923    if (err != NO_ERROR) {
2924        ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)",
2925                strerror(-err), -err);
2926        goto error;
2927    }
2928
2929    // We  push numBufs + 1 buffers to ensure that we've drawn into the same
2930    // buffer twice.  This should guarantee that the buffer has been displayed
2931    // on the screen and then been replaced, so an previous video frames are
2932    // guaranteed NOT to be currently displayed.
2933    for (int i = 0; i < numBufs + 1; i++) {
2934        int fenceFd = -1;
2935        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &anb);
2936        if (err != NO_ERROR) {
2937            ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
2938                    strerror(-err), -err);
2939            goto error;
2940        }
2941
2942        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
2943
2944        // Fill the buffer with the a 1x1 checkerboard pattern ;)
2945        uint32_t* img = NULL;
2946        err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
2947        if (err != NO_ERROR) {
2948            ALOGE("error pushing blank frames: lock failed: %s (%d)",
2949                    strerror(-err), -err);
2950            goto error;
2951        }
2952
2953        *img = 0;
2954
2955        err = buf->unlock();
2956        if (err != NO_ERROR) {
2957            ALOGE("error pushing blank frames: unlock failed: %s (%d)",
2958                    strerror(-err), -err);
2959            goto error;
2960        }
2961
2962        err = mNativeWindow->queueBuffer(mNativeWindow.get(),
2963                buf->getNativeBuffer(), -1);
2964        if (err != NO_ERROR) {
2965            ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)",
2966                    strerror(-err), -err);
2967            goto error;
2968        }
2969
2970        anb = NULL;
2971    }
2972
2973error:
2974
2975    if (err != NO_ERROR) {
2976        // Clean up after an error.
2977        if (anb != NULL) {
2978            mNativeWindow->cancelBuffer(mNativeWindow.get(), anb, -1);
2979        }
2980
2981        native_window_api_disconnect(mNativeWindow.get(),
2982                NATIVE_WINDOW_API_CPU);
2983        native_window_api_connect(mNativeWindow.get(),
2984                NATIVE_WINDOW_API_MEDIA);
2985
2986        return err;
2987    } else {
2988        // Clean up after success.
2989        err = native_window_api_disconnect(mNativeWindow.get(),
2990                NATIVE_WINDOW_API_CPU);
2991        if (err != NO_ERROR) {
2992            ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2993                    strerror(-err), -err);
2994            return err;
2995        }
2996
2997        err = native_window_api_connect(mNativeWindow.get(),
2998                NATIVE_WINDOW_API_MEDIA);
2999        if (err != NO_ERROR) {
3000            ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
3001                    strerror(-err), -err);
3002            return err;
3003        }
3004
3005        return NO_ERROR;
3006    }
3007}
3008
3009////////////////////////////////////////////////////////////////////////////////
3010
3011ACodec::PortDescription::PortDescription() {
3012}
3013
3014status_t ACodec::requestIDRFrame() {
3015    if (!mIsEncoder) {
3016        return ERROR_UNSUPPORTED;
3017    }
3018
3019    OMX_CONFIG_INTRAREFRESHVOPTYPE params;
3020    InitOMXParams(&params);
3021
3022    params.nPortIndex = kPortIndexOutput;
3023    params.IntraRefreshVOP = OMX_TRUE;
3024
3025    return mOMX->setConfig(
3026            mNode,
3027            OMX_IndexConfigVideoIntraVOPRefresh,
3028            &params,
3029            sizeof(params));
3030}
3031
3032void ACodec::PortDescription::addBuffer(
3033        IOMX::buffer_id id, const sp<ABuffer> &buffer) {
3034    mBufferIDs.push_back(id);
3035    mBuffers.push_back(buffer);
3036}
3037
3038size_t ACodec::PortDescription::countBuffers() {
3039    return mBufferIDs.size();
3040}
3041
3042IOMX::buffer_id ACodec::PortDescription::bufferIDAt(size_t index) const {
3043    return mBufferIDs.itemAt(index);
3044}
3045
3046sp<ABuffer> ACodec::PortDescription::bufferAt(size_t index) const {
3047    return mBuffers.itemAt(index);
3048}
3049
3050////////////////////////////////////////////////////////////////////////////////
3051
3052ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
3053    : AState(parentState),
3054      mCodec(codec) {
3055}
3056
3057ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(
3058        OMX_U32 /* portIndex */) {
3059    return KEEP_BUFFERS;
3060}
3061
3062bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
3063    switch (msg->what()) {
3064        case kWhatInputBufferFilled:
3065        {
3066            onInputBufferFilled(msg);
3067            break;
3068        }
3069
3070        case kWhatOutputBufferDrained:
3071        {
3072            onOutputBufferDrained(msg);
3073            break;
3074        }
3075
3076        case ACodec::kWhatOMXMessage:
3077        {
3078            return onOMXMessage(msg);
3079        }
3080
3081        case ACodec::kWhatCreateInputSurface:
3082        case ACodec::kWhatSignalEndOfInputStream:
3083        {
3084            ALOGE("Message 0x%x was not handled", msg->what());
3085            mCodec->signalError(OMX_ErrorUndefined, INVALID_OPERATION);
3086            return true;
3087        }
3088
3089        case ACodec::kWhatOMXDied:
3090        {
3091            ALOGE("OMX/mediaserver died, signalling error!");
3092            mCodec->signalError(OMX_ErrorResourcesLost, DEAD_OBJECT);
3093            break;
3094        }
3095
3096        default:
3097            return false;
3098    }
3099
3100    return true;
3101}
3102
3103bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
3104    int32_t type;
3105    CHECK(msg->findInt32("type", &type));
3106
3107    // there is a possibility that this is an outstanding message for a
3108    // codec that we have already destroyed
3109    if (mCodec->mNode == NULL) {
3110        ALOGI("ignoring message as already freed component: %s",
3111                msg->debugString().c_str());
3112        return true;
3113    }
3114
3115    IOMX::node_id nodeID;
3116    CHECK(msg->findPointer("node", &nodeID));
3117    CHECK_EQ(nodeID, mCodec->mNode);
3118
3119    switch (type) {
3120        case omx_message::EVENT:
3121        {
3122            int32_t event, data1, data2;
3123            CHECK(msg->findInt32("event", &event));
3124            CHECK(msg->findInt32("data1", &data1));
3125            CHECK(msg->findInt32("data2", &data2));
3126
3127            if (event == OMX_EventCmdComplete
3128                    && data1 == OMX_CommandFlush
3129                    && data2 == (int32_t)OMX_ALL) {
3130                // Use of this notification is not consistent across
3131                // implementations. We'll drop this notification and rely
3132                // on flush-complete notifications on the individual port
3133                // indices instead.
3134
3135                return true;
3136            }
3137
3138            return onOMXEvent(
3139                    static_cast<OMX_EVENTTYPE>(event),
3140                    static_cast<OMX_U32>(data1),
3141                    static_cast<OMX_U32>(data2));
3142        }
3143
3144        case omx_message::EMPTY_BUFFER_DONE:
3145        {
3146            IOMX::buffer_id bufferID;
3147            CHECK(msg->findPointer("buffer", &bufferID));
3148
3149            return onOMXEmptyBufferDone(bufferID);
3150        }
3151
3152        case omx_message::FILL_BUFFER_DONE:
3153        {
3154            IOMX::buffer_id bufferID;
3155            CHECK(msg->findPointer("buffer", &bufferID));
3156
3157            int32_t rangeOffset, rangeLength, flags;
3158            int64_t timeUs;
3159            void *platformPrivate;
3160            void *dataPtr;
3161
3162            CHECK(msg->findInt32("range_offset", &rangeOffset));
3163            CHECK(msg->findInt32("range_length", &rangeLength));
3164            CHECK(msg->findInt32("flags", &flags));
3165            CHECK(msg->findInt64("timestamp", &timeUs));
3166            CHECK(msg->findPointer("platform_private", &platformPrivate));
3167            CHECK(msg->findPointer("data_ptr", &dataPtr));
3168
3169            return onOMXFillBufferDone(
3170                    bufferID,
3171                    (size_t)rangeOffset, (size_t)rangeLength,
3172                    (OMX_U32)flags,
3173                    timeUs,
3174                    platformPrivate,
3175                    dataPtr);
3176        }
3177
3178        default:
3179            TRESPASS();
3180            break;
3181    }
3182}
3183
3184bool ACodec::BaseState::onOMXEvent(
3185        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3186    if (event != OMX_EventError) {
3187        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
3188             mCodec->mComponentName.c_str(), event, data1, data2);
3189
3190        return false;
3191    }
3192
3193    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
3194
3195    mCodec->signalError((OMX_ERRORTYPE)data1);
3196
3197    return true;
3198}
3199
3200bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
3201    ALOGV("[%s] onOMXEmptyBufferDone %p",
3202         mCodec->mComponentName.c_str(), bufferID);
3203
3204    BufferInfo *info =
3205        mCodec->findBufferByID(kPortIndexInput, bufferID);
3206
3207    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
3208    info->mStatus = BufferInfo::OWNED_BY_US;
3209
3210    const sp<AMessage> &bufferMeta = info->mData->meta();
3211    void *mediaBuffer;
3212    if (bufferMeta->findPointer("mediaBuffer", &mediaBuffer)
3213            && mediaBuffer != NULL) {
3214        // We're in "store-metadata-in-buffers" mode, the underlying
3215        // OMX component had access to data that's implicitly refcounted
3216        // by this "mediaBuffer" object. Now that the OMX component has
3217        // told us that it's done with the input buffer, we can decrement
3218        // the mediaBuffer's reference count.
3219
3220        ALOGV("releasing mbuf %p", mediaBuffer);
3221
3222        ((MediaBuffer *)mediaBuffer)->release();
3223        mediaBuffer = NULL;
3224
3225        bufferMeta->setPointer("mediaBuffer", NULL);
3226    }
3227
3228    PortMode mode = getPortMode(kPortIndexInput);
3229
3230    switch (mode) {
3231        case KEEP_BUFFERS:
3232            break;
3233
3234        case RESUBMIT_BUFFERS:
3235            postFillThisBuffer(info);
3236            break;
3237
3238        default:
3239        {
3240            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3241            TRESPASS();  // Not currently used
3242            break;
3243        }
3244    }
3245
3246    return true;
3247}
3248
3249void ACodec::BaseState::postFillThisBuffer(BufferInfo *info) {
3250    if (mCodec->mPortEOS[kPortIndexInput]) {
3251        return;
3252    }
3253
3254    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
3255
3256    sp<AMessage> notify = mCodec->mNotify->dup();
3257    notify->setInt32("what", ACodec::kWhatFillThisBuffer);
3258    notify->setPointer("buffer-id", info->mBufferID);
3259
3260    info->mData->meta()->clear();
3261    notify->setBuffer("buffer", info->mData);
3262
3263    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, mCodec->id());
3264    reply->setPointer("buffer-id", info->mBufferID);
3265
3266    notify->setMessage("reply", reply);
3267
3268    notify->post();
3269
3270    info->mStatus = BufferInfo::OWNED_BY_UPSTREAM;
3271}
3272
3273void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
3274    IOMX::buffer_id bufferID;
3275    CHECK(msg->findPointer("buffer-id", &bufferID));
3276
3277    sp<ABuffer> buffer;
3278    int32_t err = OK;
3279    bool eos = false;
3280    PortMode mode = getPortMode(kPortIndexInput);
3281
3282    if (!msg->findBuffer("buffer", &buffer)) {
3283        /* these are unfilled buffers returned by client */
3284        CHECK(msg->findInt32("err", &err));
3285
3286        if (err == OK) {
3287            /* buffers with no errors are returned on MediaCodec.flush */
3288            mode = KEEP_BUFFERS;
3289        } else {
3290            ALOGV("[%s] saw error %d instead of an input buffer",
3291                 mCodec->mComponentName.c_str(), err);
3292            eos = true;
3293        }
3294
3295        buffer.clear();
3296    }
3297
3298    int32_t tmp;
3299    if (buffer != NULL && buffer->meta()->findInt32("eos", &tmp) && tmp) {
3300        eos = true;
3301        err = ERROR_END_OF_STREAM;
3302    }
3303
3304    BufferInfo *info = mCodec->findBufferByID(kPortIndexInput, bufferID);
3305    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_UPSTREAM);
3306
3307    info->mStatus = BufferInfo::OWNED_BY_US;
3308
3309    switch (mode) {
3310        case KEEP_BUFFERS:
3311        {
3312            if (eos) {
3313                if (!mCodec->mPortEOS[kPortIndexInput]) {
3314                    mCodec->mPortEOS[kPortIndexInput] = true;
3315                    mCodec->mInputEOSResult = err;
3316                }
3317            }
3318            break;
3319        }
3320
3321        case RESUBMIT_BUFFERS:
3322        {
3323            if (buffer != NULL && !mCodec->mPortEOS[kPortIndexInput]) {
3324                int64_t timeUs;
3325                CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
3326
3327                OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
3328
3329                int32_t isCSD;
3330                if (buffer->meta()->findInt32("csd", &isCSD) && isCSD != 0) {
3331                    flags |= OMX_BUFFERFLAG_CODECCONFIG;
3332                }
3333
3334                if (eos) {
3335                    flags |= OMX_BUFFERFLAG_EOS;
3336                }
3337
3338                if (buffer != info->mData) {
3339                    ALOGV("[%s] Needs to copy input data for buffer %p. (%p != %p)",
3340                         mCodec->mComponentName.c_str(),
3341                         bufferID,
3342                         buffer.get(), info->mData.get());
3343
3344                    CHECK_LE(buffer->size(), info->mData->capacity());
3345                    memcpy(info->mData->data(), buffer->data(), buffer->size());
3346                }
3347
3348                if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
3349                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
3350                         mCodec->mComponentName.c_str(), bufferID);
3351                } else if (flags & OMX_BUFFERFLAG_EOS) {
3352                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
3353                         mCodec->mComponentName.c_str(), bufferID);
3354                } else {
3355#if TRACK_BUFFER_TIMING
3356                    ALOGI("[%s] calling emptyBuffer %p w/ time %lld us",
3357                         mCodec->mComponentName.c_str(), bufferID, timeUs);
3358#else
3359                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
3360                         mCodec->mComponentName.c_str(), bufferID, timeUs);
3361#endif
3362                }
3363
3364#if TRACK_BUFFER_TIMING
3365                ACodec::BufferStats stats;
3366                stats.mEmptyBufferTimeUs = ALooper::GetNowUs();
3367                stats.mFillBufferDoneTimeUs = -1ll;
3368                mCodec->mBufferStats.add(timeUs, stats);
3369#endif
3370
3371                if (mCodec->mStoreMetaDataInOutputBuffers) {
3372                    // try to submit an output buffer for each input buffer
3373                    PortMode outputMode = getPortMode(kPortIndexOutput);
3374
3375                    ALOGV("MetaDataBuffersToSubmit=%u portMode=%s",
3376                            mCodec->mMetaDataBuffersToSubmit,
3377                            (outputMode == FREE_BUFFERS ? "FREE" :
3378                             outputMode == KEEP_BUFFERS ? "KEEP" : "RESUBMIT"));
3379                    if (outputMode == RESUBMIT_BUFFERS) {
3380                        CHECK_EQ(mCodec->submitOutputMetaDataBuffer(),
3381                                (status_t)OK);
3382                    }
3383                }
3384
3385                CHECK_EQ(mCodec->mOMX->emptyBuffer(
3386                            mCodec->mNode,
3387                            bufferID,
3388                            0,
3389                            buffer->size(),
3390                            flags,
3391                            timeUs),
3392                         (status_t)OK);
3393
3394                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3395
3396                if (!eos) {
3397                    getMoreInputDataIfPossible();
3398                } else {
3399                    ALOGV("[%s] Signalled EOS on the input port",
3400                         mCodec->mComponentName.c_str());
3401
3402                    mCodec->mPortEOS[kPortIndexInput] = true;
3403                    mCodec->mInputEOSResult = err;
3404                }
3405            } else if (!mCodec->mPortEOS[kPortIndexInput]) {
3406                if (err != ERROR_END_OF_STREAM) {
3407                    ALOGV("[%s] Signalling EOS on the input port "
3408                         "due to error %d",
3409                         mCodec->mComponentName.c_str(), err);
3410                } else {
3411                    ALOGV("[%s] Signalling EOS on the input port",
3412                         mCodec->mComponentName.c_str());
3413                }
3414
3415                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
3416                     mCodec->mComponentName.c_str(), bufferID);
3417
3418                CHECK_EQ(mCodec->mOMX->emptyBuffer(
3419                            mCodec->mNode,
3420                            bufferID,
3421                            0,
3422                            0,
3423                            OMX_BUFFERFLAG_EOS,
3424                            0),
3425                         (status_t)OK);
3426
3427                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3428
3429                mCodec->mPortEOS[kPortIndexInput] = true;
3430                mCodec->mInputEOSResult = err;
3431            }
3432            break;
3433        }
3434
3435        default:
3436            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3437            break;
3438    }
3439}
3440
3441void ACodec::BaseState::getMoreInputDataIfPossible() {
3442    if (mCodec->mPortEOS[kPortIndexInput]) {
3443        return;
3444    }
3445
3446    BufferInfo *eligible = NULL;
3447
3448    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
3449        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
3450
3451#if 0
3452        if (info->mStatus == BufferInfo::OWNED_BY_UPSTREAM) {
3453            // There's already a "read" pending.
3454            return;
3455        }
3456#endif
3457
3458        if (info->mStatus == BufferInfo::OWNED_BY_US) {
3459            eligible = info;
3460        }
3461    }
3462
3463    if (eligible == NULL) {
3464        return;
3465    }
3466
3467    postFillThisBuffer(eligible);
3468}
3469
3470bool ACodec::BaseState::onOMXFillBufferDone(
3471        IOMX::buffer_id bufferID,
3472        size_t rangeOffset, size_t rangeLength,
3473        OMX_U32 flags,
3474        int64_t timeUs,
3475        void * /* platformPrivate */,
3476        void * /* dataPtr */) {
3477    ALOGV("[%s] onOMXFillBufferDone %p time %lld us, flags = 0x%08lx",
3478         mCodec->mComponentName.c_str(), bufferID, timeUs, flags);
3479
3480    ssize_t index;
3481
3482#if TRACK_BUFFER_TIMING
3483    index = mCodec->mBufferStats.indexOfKey(timeUs);
3484    if (index >= 0) {
3485        ACodec::BufferStats *stats = &mCodec->mBufferStats.editValueAt(index);
3486        stats->mFillBufferDoneTimeUs = ALooper::GetNowUs();
3487
3488        ALOGI("frame PTS %lld: %lld",
3489                timeUs,
3490                stats->mFillBufferDoneTimeUs - stats->mEmptyBufferTimeUs);
3491
3492        mCodec->mBufferStats.removeItemsAt(index);
3493        stats = NULL;
3494    }
3495#endif
3496
3497    BufferInfo *info =
3498        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3499
3500    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
3501
3502    info->mDequeuedAt = ++mCodec->mDequeueCounter;
3503    info->mStatus = BufferInfo::OWNED_BY_US;
3504
3505    PortMode mode = getPortMode(kPortIndexOutput);
3506
3507    switch (mode) {
3508        case KEEP_BUFFERS:
3509            break;
3510
3511        case RESUBMIT_BUFFERS:
3512        {
3513            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
3514                ALOGV("[%s] calling fillBuffer %p",
3515                     mCodec->mComponentName.c_str(), info->mBufferID);
3516
3517                CHECK_EQ(mCodec->mOMX->fillBuffer(
3518                            mCodec->mNode, info->mBufferID),
3519                         (status_t)OK);
3520
3521                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3522                break;
3523            }
3524
3525            sp<AMessage> reply =
3526                new AMessage(kWhatOutputBufferDrained, mCodec->id());
3527
3528            if (!mCodec->mSentFormat && rangeLength > 0) {
3529                mCodec->sendFormatChange(reply);
3530            }
3531
3532            if (mCodec->mUseMetadataOnEncoderOutput) {
3533                native_handle_t* handle =
3534                        *(native_handle_t**)(info->mData->data() + 4);
3535                info->mData->meta()->setPointer("handle", handle);
3536                info->mData->meta()->setInt32("rangeOffset", rangeOffset);
3537                info->mData->meta()->setInt32("rangeLength", rangeLength);
3538            } else {
3539                info->mData->setRange(rangeOffset, rangeLength);
3540            }
3541#if 0
3542            if (mCodec->mNativeWindow == NULL) {
3543                if (IsIDR(info->mData)) {
3544                    ALOGI("IDR frame");
3545                }
3546            }
3547#endif
3548
3549            if (mCodec->mSkipCutBuffer != NULL) {
3550                mCodec->mSkipCutBuffer->submit(info->mData);
3551            }
3552            info->mData->meta()->setInt64("timeUs", timeUs);
3553
3554            sp<AMessage> notify = mCodec->mNotify->dup();
3555            notify->setInt32("what", ACodec::kWhatDrainThisBuffer);
3556            notify->setPointer("buffer-id", info->mBufferID);
3557            notify->setBuffer("buffer", info->mData);
3558            notify->setInt32("flags", flags);
3559
3560            reply->setPointer("buffer-id", info->mBufferID);
3561
3562            notify->setMessage("reply", reply);
3563
3564            notify->post();
3565
3566            info->mStatus = BufferInfo::OWNED_BY_DOWNSTREAM;
3567
3568            if (flags & OMX_BUFFERFLAG_EOS) {
3569                ALOGV("[%s] saw output EOS", mCodec->mComponentName.c_str());
3570
3571                sp<AMessage> notify = mCodec->mNotify->dup();
3572                notify->setInt32("what", ACodec::kWhatEOS);
3573                notify->setInt32("err", mCodec->mInputEOSResult);
3574                notify->post();
3575
3576                mCodec->mPortEOS[kPortIndexOutput] = true;
3577            }
3578            break;
3579        }
3580
3581        default:
3582        {
3583            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3584
3585            CHECK_EQ((status_t)OK,
3586                     mCodec->freeBuffer(kPortIndexOutput, index));
3587            break;
3588        }
3589    }
3590
3591    return true;
3592}
3593
3594void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
3595    IOMX::buffer_id bufferID;
3596    CHECK(msg->findPointer("buffer-id", &bufferID));
3597
3598    ssize_t index;
3599    BufferInfo *info =
3600        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3601    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
3602
3603    android_native_rect_t crop;
3604    if (msg->findRect("crop",
3605            &crop.left, &crop.top, &crop.right, &crop.bottom)) {
3606        CHECK_EQ(0, native_window_set_crop(
3607                mCodec->mNativeWindow.get(), &crop));
3608    }
3609
3610    int32_t render;
3611    if (mCodec->mNativeWindow != NULL
3612            && msg->findInt32("render", &render) && render != 0
3613            && info->mData != NULL && info->mData->size() != 0) {
3614        // The client wants this buffer to be rendered.
3615
3616        status_t err;
3617        if ((err = mCodec->mNativeWindow->queueBuffer(
3618                    mCodec->mNativeWindow.get(),
3619                    info->mGraphicBuffer.get(), -1)) == OK) {
3620            info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
3621        } else {
3622            mCodec->signalError(OMX_ErrorUndefined, err);
3623            info->mStatus = BufferInfo::OWNED_BY_US;
3624        }
3625    } else {
3626        info->mStatus = BufferInfo::OWNED_BY_US;
3627    }
3628
3629    PortMode mode = getPortMode(kPortIndexOutput);
3630
3631    switch (mode) {
3632        case KEEP_BUFFERS:
3633        {
3634            // XXX fishy, revisit!!! What about the FREE_BUFFERS case below?
3635
3636            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3637                // We cannot resubmit the buffer we just rendered, dequeue
3638                // the spare instead.
3639
3640                info = mCodec->dequeueBufferFromNativeWindow();
3641            }
3642            break;
3643        }
3644
3645        case RESUBMIT_BUFFERS:
3646        {
3647            if (!mCodec->mPortEOS[kPortIndexOutput]) {
3648                if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3649                    // We cannot resubmit the buffer we just rendered, dequeue
3650                    // the spare instead.
3651
3652                    info = mCodec->dequeueBufferFromNativeWindow();
3653                }
3654
3655                if (info != NULL) {
3656                    ALOGV("[%s] calling fillBuffer %p",
3657                         mCodec->mComponentName.c_str(), info->mBufferID);
3658
3659                    CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3660                             (status_t)OK);
3661
3662                    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3663                }
3664            }
3665            break;
3666        }
3667
3668        default:
3669        {
3670            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3671
3672            CHECK_EQ((status_t)OK,
3673                     mCodec->freeBuffer(kPortIndexOutput, index));
3674            break;
3675        }
3676    }
3677}
3678
3679////////////////////////////////////////////////////////////////////////////////
3680
3681ACodec::UninitializedState::UninitializedState(ACodec *codec)
3682    : BaseState(codec) {
3683}
3684
3685void ACodec::UninitializedState::stateEntered() {
3686    ALOGV("Now uninitialized");
3687
3688    if (mDeathNotifier != NULL) {
3689        mCodec->mOMX->asBinder()->unlinkToDeath(mDeathNotifier);
3690        mDeathNotifier.clear();
3691    }
3692
3693    mCodec->mNativeWindow.clear();
3694    mCodec->mNode = NULL;
3695    mCodec->mOMX.clear();
3696    mCodec->mQuirks = 0;
3697    mCodec->mFlags = 0;
3698    mCodec->mUseMetadataOnEncoderOutput = 0;
3699    mCodec->mComponentName.clear();
3700}
3701
3702bool ACodec::UninitializedState::onMessageReceived(const sp<AMessage> &msg) {
3703    bool handled = false;
3704
3705    switch (msg->what()) {
3706        case ACodec::kWhatSetup:
3707        {
3708            onSetup(msg);
3709
3710            handled = true;
3711            break;
3712        }
3713
3714        case ACodec::kWhatAllocateComponent:
3715        {
3716            onAllocateComponent(msg);
3717            handled = true;
3718            break;
3719        }
3720
3721        case ACodec::kWhatShutdown:
3722        {
3723            int32_t keepComponentAllocated;
3724            CHECK(msg->findInt32(
3725                        "keepComponentAllocated", &keepComponentAllocated));
3726            ALOGW_IF(keepComponentAllocated,
3727                     "cannot keep component allocated on shutdown in Uninitialized state");
3728
3729            sp<AMessage> notify = mCodec->mNotify->dup();
3730            notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3731            notify->post();
3732
3733            handled = true;
3734            break;
3735        }
3736
3737        case ACodec::kWhatFlush:
3738        {
3739            sp<AMessage> notify = mCodec->mNotify->dup();
3740            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3741            notify->post();
3742
3743            handled = true;
3744            break;
3745        }
3746
3747        default:
3748            return BaseState::onMessageReceived(msg);
3749    }
3750
3751    return handled;
3752}
3753
3754void ACodec::UninitializedState::onSetup(
3755        const sp<AMessage> &msg) {
3756    if (onAllocateComponent(msg)
3757            && mCodec->mLoadedState->onConfigureComponent(msg)) {
3758        mCodec->mLoadedState->onStart();
3759    }
3760}
3761
3762bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
3763    ALOGV("onAllocateComponent");
3764
3765    CHECK(mCodec->mNode == NULL);
3766
3767    OMXClient client;
3768    CHECK_EQ(client.connect(), (status_t)OK);
3769
3770    sp<IOMX> omx = client.interface();
3771
3772    sp<AMessage> notify = new AMessage(kWhatOMXDied, mCodec->id());
3773
3774    mDeathNotifier = new DeathNotifier(notify);
3775    if (omx->asBinder()->linkToDeath(mDeathNotifier) != OK) {
3776        // This was a local binder, if it dies so do we, we won't care
3777        // about any notifications in the afterlife.
3778        mDeathNotifier.clear();
3779    }
3780
3781    Vector<OMXCodec::CodecNameAndQuirks> matchingCodecs;
3782
3783    AString mime;
3784
3785    AString componentName;
3786    uint32_t quirks = 0;
3787    if (msg->findString("componentName", &componentName)) {
3788        ssize_t index = matchingCodecs.add();
3789        OMXCodec::CodecNameAndQuirks *entry = &matchingCodecs.editItemAt(index);
3790        entry->mName = String8(componentName.c_str());
3791
3792        if (!OMXCodec::findCodecQuirks(
3793                    componentName.c_str(), &entry->mQuirks)) {
3794            entry->mQuirks = 0;
3795        }
3796    } else {
3797        CHECK(msg->findString("mime", &mime));
3798
3799        int32_t encoder;
3800        if (!msg->findInt32("encoder", &encoder)) {
3801            encoder = false;
3802        }
3803
3804        OMXCodec::findMatchingCodecs(
3805                mime.c_str(),
3806                encoder, // createEncoder
3807                NULL,  // matchComponentName
3808                0,     // flags
3809                &matchingCodecs);
3810    }
3811
3812    sp<CodecObserver> observer = new CodecObserver;
3813    IOMX::node_id node = NULL;
3814
3815    for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
3816            ++matchIndex) {
3817        componentName = matchingCodecs.itemAt(matchIndex).mName.string();
3818        quirks = matchingCodecs.itemAt(matchIndex).mQuirks;
3819
3820        pid_t tid = androidGetTid();
3821        int prevPriority = androidGetThreadPriority(tid);
3822        androidSetThreadPriority(tid, ANDROID_PRIORITY_FOREGROUND);
3823        status_t err = omx->allocateNode(componentName.c_str(), observer, &node);
3824        androidSetThreadPriority(tid, prevPriority);
3825
3826        if (err == OK) {
3827            break;
3828        }
3829
3830        node = NULL;
3831    }
3832
3833    if (node == NULL) {
3834        if (!mime.empty()) {
3835            ALOGE("Unable to instantiate a decoder for type '%s'.",
3836                 mime.c_str());
3837        } else {
3838            ALOGE("Unable to instantiate decoder '%s'.", componentName.c_str());
3839        }
3840
3841        mCodec->signalError(OMX_ErrorComponentNotFound);
3842        return false;
3843    }
3844
3845    notify = new AMessage(kWhatOMXMessage, mCodec->id());
3846    observer->setNotificationMessage(notify);
3847
3848    mCodec->mComponentName = componentName;
3849    mCodec->mFlags = 0;
3850
3851    if (componentName.endsWith(".secure")) {
3852        mCodec->mFlags |= kFlagIsSecure;
3853        mCodec->mFlags |= kFlagPushBlankBuffersToNativeWindowOnShutdown;
3854    }
3855
3856    mCodec->mQuirks = quirks;
3857    mCodec->mOMX = omx;
3858    mCodec->mNode = node;
3859
3860    {
3861        sp<AMessage> notify = mCodec->mNotify->dup();
3862        notify->setInt32("what", ACodec::kWhatComponentAllocated);
3863        notify->setString("componentName", mCodec->mComponentName.c_str());
3864        notify->post();
3865    }
3866
3867    mCodec->changeState(mCodec->mLoadedState);
3868
3869    return true;
3870}
3871
3872////////////////////////////////////////////////////////////////////////////////
3873
3874ACodec::LoadedState::LoadedState(ACodec *codec)
3875    : BaseState(codec) {
3876}
3877
3878void ACodec::LoadedState::stateEntered() {
3879    ALOGV("[%s] Now Loaded", mCodec->mComponentName.c_str());
3880
3881    mCodec->mPortEOS[kPortIndexInput] =
3882        mCodec->mPortEOS[kPortIndexOutput] = false;
3883
3884    mCodec->mInputEOSResult = OK;
3885
3886    mCodec->mDequeueCounter = 0;
3887    mCodec->mMetaDataBuffersToSubmit = 0;
3888    mCodec->mRepeatFrameDelayUs = -1ll;
3889    mCodec->mInputFormat.clear();
3890    mCodec->mOutputFormat.clear();
3891
3892    if (mCodec->mShutdownInProgress) {
3893        bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
3894
3895        mCodec->mShutdownInProgress = false;
3896        mCodec->mKeepComponentAllocated = false;
3897
3898        onShutdown(keepComponentAllocated);
3899    }
3900    mCodec->mExplicitShutdown = false;
3901}
3902
3903void ACodec::LoadedState::onShutdown(bool keepComponentAllocated) {
3904    if (!keepComponentAllocated) {
3905        CHECK_EQ(mCodec->mOMX->freeNode(mCodec->mNode), (status_t)OK);
3906
3907        mCodec->changeState(mCodec->mUninitializedState);
3908    }
3909
3910    if (mCodec->mExplicitShutdown) {
3911        sp<AMessage> notify = mCodec->mNotify->dup();
3912        notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3913        notify->post();
3914        mCodec->mExplicitShutdown = false;
3915    }
3916}
3917
3918bool ACodec::LoadedState::onMessageReceived(const sp<AMessage> &msg) {
3919    bool handled = false;
3920
3921    switch (msg->what()) {
3922        case ACodec::kWhatConfigureComponent:
3923        {
3924            onConfigureComponent(msg);
3925            handled = true;
3926            break;
3927        }
3928
3929        case ACodec::kWhatCreateInputSurface:
3930        {
3931            onCreateInputSurface(msg);
3932            handled = true;
3933            break;
3934        }
3935
3936        case ACodec::kWhatStart:
3937        {
3938            onStart();
3939            handled = true;
3940            break;
3941        }
3942
3943        case ACodec::kWhatShutdown:
3944        {
3945            int32_t keepComponentAllocated;
3946            CHECK(msg->findInt32(
3947                        "keepComponentAllocated", &keepComponentAllocated));
3948
3949            mCodec->mExplicitShutdown = true;
3950            onShutdown(keepComponentAllocated);
3951
3952            handled = true;
3953            break;
3954        }
3955
3956        case ACodec::kWhatFlush:
3957        {
3958            sp<AMessage> notify = mCodec->mNotify->dup();
3959            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3960            notify->post();
3961
3962            handled = true;
3963            break;
3964        }
3965
3966        default:
3967            return BaseState::onMessageReceived(msg);
3968    }
3969
3970    return handled;
3971}
3972
3973bool ACodec::LoadedState::onConfigureComponent(
3974        const sp<AMessage> &msg) {
3975    ALOGV("onConfigureComponent");
3976
3977    CHECK(mCodec->mNode != NULL);
3978
3979    AString mime;
3980    CHECK(msg->findString("mime", &mime));
3981
3982    status_t err = mCodec->configureCodec(mime.c_str(), msg);
3983
3984    if (err != OK) {
3985        ALOGE("[%s] configureCodec returning error %d",
3986              mCodec->mComponentName.c_str(), err);
3987
3988        mCodec->signalError(OMX_ErrorUndefined, err);
3989        return false;
3990    }
3991
3992    sp<RefBase> obj;
3993    if (msg->findObject("native-window", &obj)
3994            && strncmp("OMX.google.", mCodec->mComponentName.c_str(), 11)) {
3995        sp<NativeWindowWrapper> nativeWindow(
3996                static_cast<NativeWindowWrapper *>(obj.get()));
3997        CHECK(nativeWindow != NULL);
3998        mCodec->mNativeWindow = nativeWindow->getNativeWindow();
3999
4000        native_window_set_scaling_mode(
4001                mCodec->mNativeWindow.get(),
4002                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
4003    }
4004    CHECK_EQ((status_t)OK, mCodec->initNativeWindow());
4005
4006    {
4007        sp<AMessage> notify = mCodec->mNotify->dup();
4008        notify->setInt32("what", ACodec::kWhatComponentConfigured);
4009        notify->setMessage("input-format", mCodec->mInputFormat);
4010        notify->setMessage("output-format", mCodec->mOutputFormat);
4011        notify->post();
4012    }
4013
4014    return true;
4015}
4016
4017void ACodec::LoadedState::onCreateInputSurface(
4018        const sp<AMessage> & /* msg */) {
4019    ALOGV("onCreateInputSurface");
4020
4021    sp<AMessage> notify = mCodec->mNotify->dup();
4022    notify->setInt32("what", ACodec::kWhatInputSurfaceCreated);
4023
4024    sp<IGraphicBufferProducer> bufferProducer;
4025    status_t err;
4026
4027    err = mCodec->mOMX->createInputSurface(mCodec->mNode, kPortIndexInput,
4028            &bufferProducer);
4029
4030    if (err == OK && mCodec->mRepeatFrameDelayUs > 0ll) {
4031        err = mCodec->mOMX->setInternalOption(
4032                mCodec->mNode,
4033                kPortIndexInput,
4034                IOMX::INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY,
4035                &mCodec->mRepeatFrameDelayUs,
4036                sizeof(mCodec->mRepeatFrameDelayUs));
4037
4038        if (err != OK) {
4039            ALOGE("[%s] Unable to configure option to repeat previous "
4040                  "frames (err %d)",
4041                  mCodec->mComponentName.c_str(),
4042                  err);
4043        }
4044    }
4045
4046    if (err == OK && mCodec->mMaxPtsGapUs > 0ll) {
4047        err = mCodec->mOMX->setInternalOption(
4048                mCodec->mNode,
4049                kPortIndexInput,
4050                IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP,
4051                &mCodec->mMaxPtsGapUs,
4052                sizeof(mCodec->mMaxPtsGapUs));
4053
4054        if (err != OK) {
4055            ALOGE("[%s] Unable to configure max timestamp gap (err %d)",
4056                    mCodec->mComponentName.c_str(),
4057                    err);
4058        }
4059    }
4060
4061    if (err == OK && mCodec->mTimePerCaptureUs > 0ll
4062            && mCodec->mTimePerFrameUs > 0ll) {
4063        int64_t timeLapse[2];
4064        timeLapse[0] = mCodec->mTimePerFrameUs;
4065        timeLapse[1] = mCodec->mTimePerCaptureUs;
4066        err = mCodec->mOMX->setInternalOption(
4067                mCodec->mNode,
4068                kPortIndexInput,
4069                IOMX::INTERNAL_OPTION_TIME_LAPSE,
4070                &timeLapse[0],
4071                sizeof(timeLapse));
4072
4073        if (err != OK) {
4074            ALOGE("[%s] Unable to configure time lapse (err %d)",
4075                    mCodec->mComponentName.c_str(),
4076                    err);
4077        }
4078    }
4079
4080    if (err == OK && mCodec->mCreateInputBuffersSuspended) {
4081        bool suspend = true;
4082        err = mCodec->mOMX->setInternalOption(
4083                mCodec->mNode,
4084                kPortIndexInput,
4085                IOMX::INTERNAL_OPTION_SUSPEND,
4086                &suspend,
4087                sizeof(suspend));
4088
4089        if (err != OK) {
4090            ALOGE("[%s] Unable to configure option to suspend (err %d)",
4091                  mCodec->mComponentName.c_str(),
4092                  err);
4093        }
4094    }
4095
4096    if (err == OK) {
4097        notify->setObject("input-surface",
4098                new BufferProducerWrapper(bufferProducer));
4099    } else {
4100        // Can't use mCodec->signalError() here -- MediaCodec won't forward
4101        // the error through because it's in the "configured" state.  We
4102        // send a kWhatInputSurfaceCreated with an error value instead.
4103        ALOGE("[%s] onCreateInputSurface returning error %d",
4104                mCodec->mComponentName.c_str(), err);
4105        notify->setInt32("err", err);
4106    }
4107    notify->post();
4108}
4109
4110void ACodec::LoadedState::onStart() {
4111    ALOGV("onStart");
4112
4113    CHECK_EQ(mCodec->mOMX->sendCommand(
4114                mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
4115             (status_t)OK);
4116
4117    mCodec->changeState(mCodec->mLoadedToIdleState);
4118}
4119
4120////////////////////////////////////////////////////////////////////////////////
4121
4122ACodec::LoadedToIdleState::LoadedToIdleState(ACodec *codec)
4123    : BaseState(codec) {
4124}
4125
4126void ACodec::LoadedToIdleState::stateEntered() {
4127    ALOGV("[%s] Now Loaded->Idle", mCodec->mComponentName.c_str());
4128
4129    status_t err;
4130    if ((err = allocateBuffers()) != OK) {
4131        ALOGE("Failed to allocate buffers after transitioning to IDLE state "
4132             "(error 0x%08x)",
4133             err);
4134
4135        mCodec->signalError(OMX_ErrorUndefined, err);
4136
4137        mCodec->changeState(mCodec->mLoadedState);
4138    }
4139}
4140
4141status_t ACodec::LoadedToIdleState::allocateBuffers() {
4142    status_t err = mCodec->allocateBuffersOnPort(kPortIndexInput);
4143
4144    if (err != OK) {
4145        return err;
4146    }
4147
4148    return mCodec->allocateBuffersOnPort(kPortIndexOutput);
4149}
4150
4151bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
4152    switch (msg->what()) {
4153        case kWhatSetParameters:
4154        case kWhatShutdown:
4155        {
4156            mCodec->deferMessage(msg);
4157            return true;
4158        }
4159
4160        case kWhatSignalEndOfInputStream:
4161        {
4162            mCodec->onSignalEndOfInputStream();
4163            return true;
4164        }
4165
4166        case kWhatResume:
4167        {
4168            // We'll be active soon enough.
4169            return true;
4170        }
4171
4172        case kWhatFlush:
4173        {
4174            // We haven't even started yet, so we're flushed alright...
4175            sp<AMessage> notify = mCodec->mNotify->dup();
4176            notify->setInt32("what", ACodec::kWhatFlushCompleted);
4177            notify->post();
4178            return true;
4179        }
4180
4181        default:
4182            return BaseState::onMessageReceived(msg);
4183    }
4184}
4185
4186bool ACodec::LoadedToIdleState::onOMXEvent(
4187        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4188    switch (event) {
4189        case OMX_EventCmdComplete:
4190        {
4191            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4192            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
4193
4194            CHECK_EQ(mCodec->mOMX->sendCommand(
4195                        mCodec->mNode, OMX_CommandStateSet, OMX_StateExecuting),
4196                     (status_t)OK);
4197
4198            mCodec->changeState(mCodec->mIdleToExecutingState);
4199
4200            return true;
4201        }
4202
4203        default:
4204            return BaseState::onOMXEvent(event, data1, data2);
4205    }
4206}
4207
4208////////////////////////////////////////////////////////////////////////////////
4209
4210ACodec::IdleToExecutingState::IdleToExecutingState(ACodec *codec)
4211    : BaseState(codec) {
4212}
4213
4214void ACodec::IdleToExecutingState::stateEntered() {
4215    ALOGV("[%s] Now Idle->Executing", mCodec->mComponentName.c_str());
4216}
4217
4218bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
4219    switch (msg->what()) {
4220        case kWhatSetParameters:
4221        case kWhatShutdown:
4222        {
4223            mCodec->deferMessage(msg);
4224            return true;
4225        }
4226
4227        case kWhatResume:
4228        {
4229            // We'll be active soon enough.
4230            return true;
4231        }
4232
4233        case kWhatFlush:
4234        {
4235            // We haven't even started yet, so we're flushed alright...
4236            sp<AMessage> notify = mCodec->mNotify->dup();
4237            notify->setInt32("what", ACodec::kWhatFlushCompleted);
4238            notify->post();
4239
4240            return true;
4241        }
4242
4243        case kWhatSignalEndOfInputStream:
4244        {
4245            mCodec->onSignalEndOfInputStream();
4246            return true;
4247        }
4248
4249        default:
4250            return BaseState::onMessageReceived(msg);
4251    }
4252}
4253
4254bool ACodec::IdleToExecutingState::onOMXEvent(
4255        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4256    switch (event) {
4257        case OMX_EventCmdComplete:
4258        {
4259            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4260            CHECK_EQ(data2, (OMX_U32)OMX_StateExecuting);
4261
4262            mCodec->mExecutingState->resume();
4263            mCodec->changeState(mCodec->mExecutingState);
4264
4265            return true;
4266        }
4267
4268        default:
4269            return BaseState::onOMXEvent(event, data1, data2);
4270    }
4271}
4272
4273////////////////////////////////////////////////////////////////////////////////
4274
4275ACodec::ExecutingState::ExecutingState(ACodec *codec)
4276    : BaseState(codec),
4277      mActive(false) {
4278}
4279
4280ACodec::BaseState::PortMode ACodec::ExecutingState::getPortMode(
4281        OMX_U32 /* portIndex */) {
4282    return RESUBMIT_BUFFERS;
4283}
4284
4285void ACodec::ExecutingState::submitOutputMetaBuffers() {
4286    // submit as many buffers as there are input buffers with the codec
4287    // in case we are in port reconfiguring
4288    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
4289        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
4290
4291        if (info->mStatus == BufferInfo::OWNED_BY_COMPONENT) {
4292            if (mCodec->submitOutputMetaDataBuffer() != OK)
4293                break;
4294        }
4295    }
4296
4297    // *** NOTE: THE FOLLOWING WORKAROUND WILL BE REMOVED ***
4298    mCodec->signalSubmitOutputMetaDataBufferIfEOS_workaround();
4299}
4300
4301void ACodec::ExecutingState::submitRegularOutputBuffers() {
4302    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexOutput].size(); ++i) {
4303        BufferInfo *info = &mCodec->mBuffers[kPortIndexOutput].editItemAt(i);
4304
4305        if (mCodec->mNativeWindow != NULL) {
4306            CHECK(info->mStatus == BufferInfo::OWNED_BY_US
4307                    || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
4308
4309            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
4310                continue;
4311            }
4312        } else {
4313            CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
4314        }
4315
4316        ALOGV("[%s] calling fillBuffer %p",
4317             mCodec->mComponentName.c_str(), info->mBufferID);
4318
4319        CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
4320                 (status_t)OK);
4321
4322        info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
4323    }
4324}
4325
4326void ACodec::ExecutingState::submitOutputBuffers() {
4327    submitRegularOutputBuffers();
4328    if (mCodec->mStoreMetaDataInOutputBuffers) {
4329        submitOutputMetaBuffers();
4330    }
4331}
4332
4333void ACodec::ExecutingState::resume() {
4334    if (mActive) {
4335        ALOGV("[%s] We're already active, no need to resume.",
4336             mCodec->mComponentName.c_str());
4337
4338        return;
4339    }
4340
4341    submitOutputBuffers();
4342
4343    // Post the first input buffer.
4344    CHECK_GT(mCodec->mBuffers[kPortIndexInput].size(), 0u);
4345    BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(0);
4346
4347    postFillThisBuffer(info);
4348
4349    mActive = true;
4350}
4351
4352void ACodec::ExecutingState::stateEntered() {
4353    ALOGV("[%s] Now Executing", mCodec->mComponentName.c_str());
4354
4355    mCodec->processDeferredMessages();
4356}
4357
4358bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
4359    bool handled = false;
4360
4361    switch (msg->what()) {
4362        case kWhatShutdown:
4363        {
4364            int32_t keepComponentAllocated;
4365            CHECK(msg->findInt32(
4366                        "keepComponentAllocated", &keepComponentAllocated));
4367
4368            mCodec->mShutdownInProgress = true;
4369            mCodec->mExplicitShutdown = true;
4370            mCodec->mKeepComponentAllocated = keepComponentAllocated;
4371
4372            mActive = false;
4373
4374            CHECK_EQ(mCodec->mOMX->sendCommand(
4375                        mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
4376                     (status_t)OK);
4377
4378            mCodec->changeState(mCodec->mExecutingToIdleState);
4379
4380            handled = true;
4381            break;
4382        }
4383
4384        case kWhatFlush:
4385        {
4386            ALOGV("[%s] ExecutingState flushing now "
4387                 "(codec owns %d/%d input, %d/%d output).",
4388                    mCodec->mComponentName.c_str(),
4389                    mCodec->countBuffersOwnedByComponent(kPortIndexInput),
4390                    mCodec->mBuffers[kPortIndexInput].size(),
4391                    mCodec->countBuffersOwnedByComponent(kPortIndexOutput),
4392                    mCodec->mBuffers[kPortIndexOutput].size());
4393
4394            mActive = false;
4395
4396            CHECK_EQ(mCodec->mOMX->sendCommand(
4397                        mCodec->mNode, OMX_CommandFlush, OMX_ALL),
4398                     (status_t)OK);
4399
4400            mCodec->changeState(mCodec->mFlushingState);
4401            handled = true;
4402            break;
4403        }
4404
4405        case kWhatResume:
4406        {
4407            resume();
4408
4409            handled = true;
4410            break;
4411        }
4412
4413        case kWhatRequestIDRFrame:
4414        {
4415            status_t err = mCodec->requestIDRFrame();
4416            if (err != OK) {
4417                ALOGW("Requesting an IDR frame failed.");
4418            }
4419
4420            handled = true;
4421            break;
4422        }
4423
4424        case kWhatSetParameters:
4425        {
4426            sp<AMessage> params;
4427            CHECK(msg->findMessage("params", &params));
4428
4429            status_t err = mCodec->setParameters(params);
4430
4431            sp<AMessage> reply;
4432            if (msg->findMessage("reply", &reply)) {
4433                reply->setInt32("err", err);
4434                reply->post();
4435            }
4436
4437            handled = true;
4438            break;
4439        }
4440
4441        case ACodec::kWhatSignalEndOfInputStream:
4442        {
4443            mCodec->onSignalEndOfInputStream();
4444            handled = true;
4445            break;
4446        }
4447
4448        // *** NOTE: THE FOLLOWING WORKAROUND WILL BE REMOVED ***
4449        case kWhatSubmitOutputMetaDataBufferIfEOS:
4450        {
4451            if (mCodec->mPortEOS[kPortIndexInput] &&
4452                    !mCodec->mPortEOS[kPortIndexOutput]) {
4453                status_t err = mCodec->submitOutputMetaDataBuffer();
4454                if (err == OK) {
4455                    mCodec->signalSubmitOutputMetaDataBufferIfEOS_workaround();
4456                }
4457            }
4458            return true;
4459        }
4460
4461        default:
4462            handled = BaseState::onMessageReceived(msg);
4463            break;
4464    }
4465
4466    return handled;
4467}
4468
4469status_t ACodec::setParameters(const sp<AMessage> &params) {
4470    int32_t videoBitrate;
4471    if (params->findInt32("video-bitrate", &videoBitrate)) {
4472        OMX_VIDEO_CONFIG_BITRATETYPE configParams;
4473        InitOMXParams(&configParams);
4474        configParams.nPortIndex = kPortIndexOutput;
4475        configParams.nEncodeBitrate = videoBitrate;
4476
4477        status_t err = mOMX->setConfig(
4478                mNode,
4479                OMX_IndexConfigVideoBitrate,
4480                &configParams,
4481                sizeof(configParams));
4482
4483        if (err != OK) {
4484            ALOGE("setConfig(OMX_IndexConfigVideoBitrate, %d) failed w/ err %d",
4485                   videoBitrate, err);
4486
4487            return err;
4488        }
4489    }
4490
4491    int64_t skipFramesBeforeUs;
4492    if (params->findInt64("skip-frames-before", &skipFramesBeforeUs)) {
4493        status_t err =
4494            mOMX->setInternalOption(
4495                     mNode,
4496                     kPortIndexInput,
4497                     IOMX::INTERNAL_OPTION_START_TIME,
4498                     &skipFramesBeforeUs,
4499                     sizeof(skipFramesBeforeUs));
4500
4501        if (err != OK) {
4502            ALOGE("Failed to set parameter 'skip-frames-before' (err %d)", err);
4503            return err;
4504        }
4505    }
4506
4507    int32_t dropInputFrames;
4508    if (params->findInt32("drop-input-frames", &dropInputFrames)) {
4509        bool suspend = dropInputFrames != 0;
4510
4511        status_t err =
4512            mOMX->setInternalOption(
4513                     mNode,
4514                     kPortIndexInput,
4515                     IOMX::INTERNAL_OPTION_SUSPEND,
4516                     &suspend,
4517                     sizeof(suspend));
4518
4519        if (err != OK) {
4520            ALOGE("Failed to set parameter 'drop-input-frames' (err %d)", err);
4521            return err;
4522        }
4523    }
4524
4525    int32_t dummy;
4526    if (params->findInt32("request-sync", &dummy)) {
4527        status_t err = requestIDRFrame();
4528
4529        if (err != OK) {
4530            ALOGE("Requesting a sync frame failed w/ err %d", err);
4531            return err;
4532        }
4533    }
4534
4535    return OK;
4536}
4537
4538void ACodec::onSignalEndOfInputStream() {
4539    sp<AMessage> notify = mNotify->dup();
4540    notify->setInt32("what", ACodec::kWhatSignaledInputEOS);
4541
4542    status_t err = mOMX->signalEndOfInputStream(mNode);
4543    if (err != OK) {
4544        notify->setInt32("err", err);
4545    }
4546    notify->post();
4547}
4548
4549bool ACodec::ExecutingState::onOMXEvent(
4550        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4551    switch (event) {
4552        case OMX_EventPortSettingsChanged:
4553        {
4554            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
4555
4556            if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
4557                mCodec->mMetaDataBuffersToSubmit = 0;
4558                CHECK_EQ(mCodec->mOMX->sendCommand(
4559                            mCodec->mNode,
4560                            OMX_CommandPortDisable, kPortIndexOutput),
4561                         (status_t)OK);
4562
4563                mCodec->freeOutputBuffersNotOwnedByComponent();
4564
4565                mCodec->changeState(mCodec->mOutputPortSettingsChangedState);
4566            } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
4567                mCodec->mSentFormat = false;
4568            } else {
4569                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
4570                     mCodec->mComponentName.c_str(), data2);
4571            }
4572
4573            return true;
4574        }
4575
4576        case OMX_EventBufferFlag:
4577        {
4578            return true;
4579        }
4580
4581        default:
4582            return BaseState::onOMXEvent(event, data1, data2);
4583    }
4584}
4585
4586////////////////////////////////////////////////////////////////////////////////
4587
4588ACodec::OutputPortSettingsChangedState::OutputPortSettingsChangedState(
4589        ACodec *codec)
4590    : BaseState(codec) {
4591}
4592
4593ACodec::BaseState::PortMode ACodec::OutputPortSettingsChangedState::getPortMode(
4594        OMX_U32 portIndex) {
4595    if (portIndex == kPortIndexOutput) {
4596        return FREE_BUFFERS;
4597    }
4598
4599    CHECK_EQ(portIndex, (OMX_U32)kPortIndexInput);
4600
4601    return RESUBMIT_BUFFERS;
4602}
4603
4604bool ACodec::OutputPortSettingsChangedState::onMessageReceived(
4605        const sp<AMessage> &msg) {
4606    bool handled = false;
4607
4608    switch (msg->what()) {
4609        case kWhatFlush:
4610        case kWhatShutdown:
4611        case kWhatResume:
4612        {
4613            if (msg->what() == kWhatResume) {
4614                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
4615            }
4616
4617            mCodec->deferMessage(msg);
4618            handled = true;
4619            break;
4620        }
4621
4622        default:
4623            handled = BaseState::onMessageReceived(msg);
4624            break;
4625    }
4626
4627    return handled;
4628}
4629
4630void ACodec::OutputPortSettingsChangedState::stateEntered() {
4631    ALOGV("[%s] Now handling output port settings change",
4632         mCodec->mComponentName.c_str());
4633}
4634
4635bool ACodec::OutputPortSettingsChangedState::onOMXEvent(
4636        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4637    switch (event) {
4638        case OMX_EventCmdComplete:
4639        {
4640            if (data1 == (OMX_U32)OMX_CommandPortDisable) {
4641                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
4642
4643                ALOGV("[%s] Output port now disabled.",
4644                        mCodec->mComponentName.c_str());
4645
4646                CHECK(mCodec->mBuffers[kPortIndexOutput].isEmpty());
4647                mCodec->mDealer[kPortIndexOutput].clear();
4648
4649                CHECK_EQ(mCodec->mOMX->sendCommand(
4650                            mCodec->mNode, OMX_CommandPortEnable, kPortIndexOutput),
4651                         (status_t)OK);
4652
4653                status_t err;
4654                if ((err = mCodec->allocateBuffersOnPort(
4655                                kPortIndexOutput)) != OK) {
4656                    ALOGE("Failed to allocate output port buffers after "
4657                         "port reconfiguration (error 0x%08x)",
4658                         err);
4659
4660                    mCodec->signalError(OMX_ErrorUndefined, err);
4661
4662                    // This is technically not correct, but appears to be
4663                    // the only way to free the component instance.
4664                    // Controlled transitioning from excecuting->idle
4665                    // and idle->loaded seem impossible probably because
4666                    // the output port never finishes re-enabling.
4667                    mCodec->mShutdownInProgress = true;
4668                    mCodec->mKeepComponentAllocated = false;
4669                    mCodec->changeState(mCodec->mLoadedState);
4670                }
4671
4672                return true;
4673            } else if (data1 == (OMX_U32)OMX_CommandPortEnable) {
4674                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
4675
4676                mCodec->mSentFormat = false;
4677
4678                ALOGV("[%s] Output port now reenabled.",
4679                        mCodec->mComponentName.c_str());
4680
4681                if (mCodec->mExecutingState->active()) {
4682                    mCodec->mExecutingState->submitOutputBuffers();
4683                }
4684
4685                mCodec->changeState(mCodec->mExecutingState);
4686
4687                return true;
4688            }
4689
4690            return false;
4691        }
4692
4693        default:
4694            return false;
4695    }
4696}
4697
4698////////////////////////////////////////////////////////////////////////////////
4699
4700ACodec::ExecutingToIdleState::ExecutingToIdleState(ACodec *codec)
4701    : BaseState(codec),
4702      mComponentNowIdle(false) {
4703}
4704
4705bool ACodec::ExecutingToIdleState::onMessageReceived(const sp<AMessage> &msg) {
4706    bool handled = false;
4707
4708    switch (msg->what()) {
4709        case kWhatFlush:
4710        {
4711            // Don't send me a flush request if you previously wanted me
4712            // to shutdown.
4713            TRESPASS();
4714            break;
4715        }
4716
4717        case kWhatShutdown:
4718        {
4719            // We're already doing that...
4720
4721            handled = true;
4722            break;
4723        }
4724
4725        default:
4726            handled = BaseState::onMessageReceived(msg);
4727            break;
4728    }
4729
4730    return handled;
4731}
4732
4733void ACodec::ExecutingToIdleState::stateEntered() {
4734    ALOGV("[%s] Now Executing->Idle", mCodec->mComponentName.c_str());
4735
4736    mComponentNowIdle = false;
4737    mCodec->mSentFormat = false;
4738}
4739
4740bool ACodec::ExecutingToIdleState::onOMXEvent(
4741        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4742    switch (event) {
4743        case OMX_EventCmdComplete:
4744        {
4745            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4746            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
4747
4748            mComponentNowIdle = true;
4749
4750            changeStateIfWeOwnAllBuffers();
4751
4752            return true;
4753        }
4754
4755        case OMX_EventPortSettingsChanged:
4756        case OMX_EventBufferFlag:
4757        {
4758            // We're shutting down and don't care about this anymore.
4759            return true;
4760        }
4761
4762        default:
4763            return BaseState::onOMXEvent(event, data1, data2);
4764    }
4765}
4766
4767void ACodec::ExecutingToIdleState::changeStateIfWeOwnAllBuffers() {
4768    if (mComponentNowIdle && mCodec->allYourBuffersAreBelongToUs()) {
4769        CHECK_EQ(mCodec->mOMX->sendCommand(
4770                    mCodec->mNode, OMX_CommandStateSet, OMX_StateLoaded),
4771                 (status_t)OK);
4772
4773        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexInput), (status_t)OK);
4774        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexOutput), (status_t)OK);
4775
4776        if ((mCodec->mFlags & kFlagPushBlankBuffersToNativeWindowOnShutdown)
4777                && mCodec->mNativeWindow != NULL) {
4778            // We push enough 1x1 blank buffers to ensure that one of
4779            // them has made it to the display.  This allows the OMX
4780            // component teardown to zero out any protected buffers
4781            // without the risk of scanning out one of those buffers.
4782            mCodec->pushBlankBuffersToNativeWindow();
4783        }
4784
4785        mCodec->changeState(mCodec->mIdleToLoadedState);
4786    }
4787}
4788
4789void ACodec::ExecutingToIdleState::onInputBufferFilled(
4790        const sp<AMessage> &msg) {
4791    BaseState::onInputBufferFilled(msg);
4792
4793    changeStateIfWeOwnAllBuffers();
4794}
4795
4796void ACodec::ExecutingToIdleState::onOutputBufferDrained(
4797        const sp<AMessage> &msg) {
4798    BaseState::onOutputBufferDrained(msg);
4799
4800    changeStateIfWeOwnAllBuffers();
4801}
4802
4803////////////////////////////////////////////////////////////////////////////////
4804
4805ACodec::IdleToLoadedState::IdleToLoadedState(ACodec *codec)
4806    : BaseState(codec) {
4807}
4808
4809bool ACodec::IdleToLoadedState::onMessageReceived(const sp<AMessage> &msg) {
4810    bool handled = false;
4811
4812    switch (msg->what()) {
4813        case kWhatShutdown:
4814        {
4815            // We're already doing that...
4816
4817            handled = true;
4818            break;
4819        }
4820
4821        case kWhatFlush:
4822        {
4823            // Don't send me a flush request if you previously wanted me
4824            // to shutdown.
4825            TRESPASS();
4826            break;
4827        }
4828
4829        default:
4830            handled = BaseState::onMessageReceived(msg);
4831            break;
4832    }
4833
4834    return handled;
4835}
4836
4837void ACodec::IdleToLoadedState::stateEntered() {
4838    ALOGV("[%s] Now Idle->Loaded", mCodec->mComponentName.c_str());
4839}
4840
4841bool ACodec::IdleToLoadedState::onOMXEvent(
4842        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4843    switch (event) {
4844        case OMX_EventCmdComplete:
4845        {
4846            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4847            CHECK_EQ(data2, (OMX_U32)OMX_StateLoaded);
4848
4849            mCodec->changeState(mCodec->mLoadedState);
4850
4851            return true;
4852        }
4853
4854        default:
4855            return BaseState::onOMXEvent(event, data1, data2);
4856    }
4857}
4858
4859////////////////////////////////////////////////////////////////////////////////
4860
4861ACodec::FlushingState::FlushingState(ACodec *codec)
4862    : BaseState(codec) {
4863}
4864
4865void ACodec::FlushingState::stateEntered() {
4866    ALOGV("[%s] Now Flushing", mCodec->mComponentName.c_str());
4867
4868    mFlushComplete[kPortIndexInput] = mFlushComplete[kPortIndexOutput] = false;
4869}
4870
4871bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
4872    bool handled = false;
4873
4874    switch (msg->what()) {
4875        case kWhatShutdown:
4876        {
4877            mCodec->deferMessage(msg);
4878            break;
4879        }
4880
4881        case kWhatFlush:
4882        {
4883            // We're already doing this right now.
4884            handled = true;
4885            break;
4886        }
4887
4888        default:
4889            handled = BaseState::onMessageReceived(msg);
4890            break;
4891    }
4892
4893    return handled;
4894}
4895
4896bool ACodec::FlushingState::onOMXEvent(
4897        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4898    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
4899            mCodec->mComponentName.c_str(), event, data1);
4900
4901    switch (event) {
4902        case OMX_EventCmdComplete:
4903        {
4904            CHECK_EQ(data1, (OMX_U32)OMX_CommandFlush);
4905
4906            if (data2 == kPortIndexInput || data2 == kPortIndexOutput) {
4907                CHECK(!mFlushComplete[data2]);
4908                mFlushComplete[data2] = true;
4909
4910                if (mFlushComplete[kPortIndexInput]
4911                        && mFlushComplete[kPortIndexOutput]) {
4912                    changeStateIfWeOwnAllBuffers();
4913                }
4914            } else {
4915                CHECK_EQ(data2, OMX_ALL);
4916                CHECK(mFlushComplete[kPortIndexInput]);
4917                CHECK(mFlushComplete[kPortIndexOutput]);
4918
4919                changeStateIfWeOwnAllBuffers();
4920            }
4921
4922            return true;
4923        }
4924
4925        case OMX_EventPortSettingsChanged:
4926        {
4927            sp<AMessage> msg = new AMessage(kWhatOMXMessage, mCodec->id());
4928            msg->setInt32("type", omx_message::EVENT);
4929            msg->setPointer("node", mCodec->mNode);
4930            msg->setInt32("event", event);
4931            msg->setInt32("data1", data1);
4932            msg->setInt32("data2", data2);
4933
4934            ALOGV("[%s] Deferring OMX_EventPortSettingsChanged",
4935                 mCodec->mComponentName.c_str());
4936
4937            mCodec->deferMessage(msg);
4938
4939            return true;
4940        }
4941
4942        default:
4943            return BaseState::onOMXEvent(event, data1, data2);
4944    }
4945
4946    return true;
4947}
4948
4949void ACodec::FlushingState::onOutputBufferDrained(const sp<AMessage> &msg) {
4950    BaseState::onOutputBufferDrained(msg);
4951
4952    changeStateIfWeOwnAllBuffers();
4953}
4954
4955void ACodec::FlushingState::onInputBufferFilled(const sp<AMessage> &msg) {
4956    BaseState::onInputBufferFilled(msg);
4957
4958    changeStateIfWeOwnAllBuffers();
4959}
4960
4961void ACodec::FlushingState::changeStateIfWeOwnAllBuffers() {
4962    if (mFlushComplete[kPortIndexInput]
4963            && mFlushComplete[kPortIndexOutput]
4964            && mCodec->allYourBuffersAreBelongToUs()) {
4965        // We now own all buffers except possibly those still queued with
4966        // the native window for rendering. Let's get those back as well.
4967        mCodec->waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs();
4968
4969        sp<AMessage> notify = mCodec->mNotify->dup();
4970        notify->setInt32("what", ACodec::kWhatFlushCompleted);
4971        notify->post();
4972
4973        mCodec->mPortEOS[kPortIndexInput] =
4974            mCodec->mPortEOS[kPortIndexOutput] = false;
4975
4976        mCodec->mInputEOSResult = OK;
4977
4978        if (mCodec->mSkipCutBuffer != NULL) {
4979            mCodec->mSkipCutBuffer->clear();
4980        }
4981
4982        mCodec->changeState(mCodec->mExecutingState);
4983    }
4984}
4985
4986}  // namespace android
4987