ACodec.cpp revision 4154795d5526750b7aec5f774831a9e1ba0a3f15 
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_VideoExt.h>
40#include <OMX_Component.h>
41#include <OMX_IndexExt.h>
42
43#include "include/avc_utils.h"
44
45namespace android {
46
47template<class T>
48static void InitOMXParams(T *params) {
49    params->nSize = sizeof(T);
50    params->nVersion.s.nVersionMajor = 1;
51    params->nVersion.s.nVersionMinor = 0;
52    params->nVersion.s.nRevision = 0;
53    params->nVersion.s.nStep = 0;
54}
55
56struct CodecObserver : public BnOMXObserver {
57    CodecObserver() {}
58
59    void setNotificationMessage(const sp<AMessage> &msg) {
60        mNotify = msg;
61    }
62
63    // from IOMXObserver
64    virtual void onMessage(const omx_message &omx_msg) {
65        sp<AMessage> msg = mNotify->dup();
66
67        msg->setInt32("type", omx_msg.type);
68        msg->setPointer("node", omx_msg.node);
69
70        switch (omx_msg.type) {
71            case omx_message::EVENT:
72            {
73                msg->setInt32("event", omx_msg.u.event_data.event);
74                msg->setInt32("data1", omx_msg.u.event_data.data1);
75                msg->setInt32("data2", omx_msg.u.event_data.data2);
76                break;
77            }
78
79            case omx_message::EMPTY_BUFFER_DONE:
80            {
81                msg->setPointer("buffer", omx_msg.u.buffer_data.buffer);
82                break;
83            }
84
85            case omx_message::FILL_BUFFER_DONE:
86            {
87                msg->setPointer(
88                        "buffer", omx_msg.u.extended_buffer_data.buffer);
89                msg->setInt32(
90                        "range_offset",
91                        omx_msg.u.extended_buffer_data.range_offset);
92                msg->setInt32(
93                        "range_length",
94                        omx_msg.u.extended_buffer_data.range_length);
95                msg->setInt32(
96                        "flags",
97                        omx_msg.u.extended_buffer_data.flags);
98                msg->setInt64(
99                        "timestamp",
100                        omx_msg.u.extended_buffer_data.timestamp);
101                msg->setPointer(
102                        "platform_private",
103                        omx_msg.u.extended_buffer_data.platform_private);
104                msg->setPointer(
105                        "data_ptr",
106                        omx_msg.u.extended_buffer_data.data_ptr);
107                break;
108            }
109
110            default:
111                TRESPASS();
112                break;
113        }
114
115        msg->post();
116    }
117
118protected:
119    virtual ~CodecObserver() {}
120
121private:
122    sp<AMessage> mNotify;
123
124    DISALLOW_EVIL_CONSTRUCTORS(CodecObserver);
125};
126
127////////////////////////////////////////////////////////////////////////////////
128
129struct ACodec::BaseState : public AState {
130    BaseState(ACodec *codec, const sp<AState> &parentState = NULL);
131
132protected:
133    enum PortMode {
134        KEEP_BUFFERS,
135        RESUBMIT_BUFFERS,
136        FREE_BUFFERS,
137    };
138
139    ACodec *mCodec;
140
141    virtual PortMode getPortMode(OMX_U32 portIndex);
142
143    virtual bool onMessageReceived(const sp<AMessage> &msg);
144
145    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
146
147    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
148    virtual void onInputBufferFilled(const sp<AMessage> &msg);
149
150    void postFillThisBuffer(BufferInfo *info);
151
152private:
153    bool onOMXMessage(const sp<AMessage> &msg);
154
155    bool onOMXEmptyBufferDone(IOMX::buffer_id bufferID);
156
157    bool onOMXFillBufferDone(
158            IOMX::buffer_id bufferID,
159            size_t rangeOffset, size_t rangeLength,
160            OMX_U32 flags,
161            int64_t timeUs,
162            void *platformPrivate,
163            void *dataPtr);
164
165    void getMoreInputDataIfPossible();
166
167    DISALLOW_EVIL_CONSTRUCTORS(BaseState);
168};
169
170////////////////////////////////////////////////////////////////////////////////
171
172struct ACodec::DeathNotifier : public IBinder::DeathRecipient {
173    DeathNotifier(const sp<AMessage> &notify)
174        : mNotify(notify) {
175    }
176
177    virtual void binderDied(const wp<IBinder> &) {
178        mNotify->post();
179    }
180
181protected:
182    virtual ~DeathNotifier() {}
183
184private:
185    sp<AMessage> mNotify;
186
187    DISALLOW_EVIL_CONSTRUCTORS(DeathNotifier);
188};
189
190struct ACodec::UninitializedState : public ACodec::BaseState {
191    UninitializedState(ACodec *codec);
192
193protected:
194    virtual bool onMessageReceived(const sp<AMessage> &msg);
195    virtual void stateEntered();
196
197private:
198    void onSetup(const sp<AMessage> &msg);
199    bool onAllocateComponent(const sp<AMessage> &msg);
200
201    sp<DeathNotifier> mDeathNotifier;
202
203    DISALLOW_EVIL_CONSTRUCTORS(UninitializedState);
204};
205
206////////////////////////////////////////////////////////////////////////////////
207
208struct ACodec::LoadedState : public ACodec::BaseState {
209    LoadedState(ACodec *codec);
210
211protected:
212    virtual bool onMessageReceived(const sp<AMessage> &msg);
213    virtual void stateEntered();
214
215private:
216    friend struct ACodec::UninitializedState;
217
218    bool onConfigureComponent(const sp<AMessage> &msg);
219    void onCreateInputSurface(const sp<AMessage> &msg);
220    void onStart();
221    void onShutdown(bool keepComponentAllocated);
222
223    DISALLOW_EVIL_CONSTRUCTORS(LoadedState);
224};
225
226////////////////////////////////////////////////////////////////////////////////
227
228struct ACodec::LoadedToIdleState : public ACodec::BaseState {
229    LoadedToIdleState(ACodec *codec);
230
231protected:
232    virtual bool onMessageReceived(const sp<AMessage> &msg);
233    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
234    virtual void stateEntered();
235
236private:
237    status_t allocateBuffers();
238
239    DISALLOW_EVIL_CONSTRUCTORS(LoadedToIdleState);
240};
241
242////////////////////////////////////////////////////////////////////////////////
243
244struct ACodec::IdleToExecutingState : public ACodec::BaseState {
245    IdleToExecutingState(ACodec *codec);
246
247protected:
248    virtual bool onMessageReceived(const sp<AMessage> &msg);
249    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
250    virtual void stateEntered();
251
252private:
253    DISALLOW_EVIL_CONSTRUCTORS(IdleToExecutingState);
254};
255
256////////////////////////////////////////////////////////////////////////////////
257
258struct ACodec::ExecutingState : public ACodec::BaseState {
259    ExecutingState(ACodec *codec);
260
261    void submitRegularOutputBuffers();
262    void submitOutputMetaBuffers();
263    void submitOutputBuffers();
264
265    // Submit output buffers to the decoder, submit input buffers to client
266    // to fill with data.
267    void resume();
268
269    // Returns true iff input and output buffers are in play.
270    bool active() const { return mActive; }
271
272protected:
273    virtual PortMode getPortMode(OMX_U32 portIndex);
274    virtual bool onMessageReceived(const sp<AMessage> &msg);
275    virtual void stateEntered();
276
277    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
278
279private:
280    bool mActive;
281
282    DISALLOW_EVIL_CONSTRUCTORS(ExecutingState);
283};
284
285////////////////////////////////////////////////////////////////////////////////
286
287struct ACodec::OutputPortSettingsChangedState : public ACodec::BaseState {
288    OutputPortSettingsChangedState(ACodec *codec);
289
290protected:
291    virtual PortMode getPortMode(OMX_U32 portIndex);
292    virtual bool onMessageReceived(const sp<AMessage> &msg);
293    virtual void stateEntered();
294
295    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
296
297private:
298    DISALLOW_EVIL_CONSTRUCTORS(OutputPortSettingsChangedState);
299};
300
301////////////////////////////////////////////////////////////////////////////////
302
303struct ACodec::ExecutingToIdleState : public ACodec::BaseState {
304    ExecutingToIdleState(ACodec *codec);
305
306protected:
307    virtual bool onMessageReceived(const sp<AMessage> &msg);
308    virtual void stateEntered();
309
310    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
311
312    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
313    virtual void onInputBufferFilled(const sp<AMessage> &msg);
314
315private:
316    void changeStateIfWeOwnAllBuffers();
317
318    bool mComponentNowIdle;
319
320    DISALLOW_EVIL_CONSTRUCTORS(ExecutingToIdleState);
321};
322
323////////////////////////////////////////////////////////////////////////////////
324
325struct ACodec::IdleToLoadedState : public ACodec::BaseState {
326    IdleToLoadedState(ACodec *codec);
327
328protected:
329    virtual bool onMessageReceived(const sp<AMessage> &msg);
330    virtual void stateEntered();
331
332    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
333
334private:
335    DISALLOW_EVIL_CONSTRUCTORS(IdleToLoadedState);
336};
337
338////////////////////////////////////////////////////////////////////////////////
339
340struct ACodec::FlushingState : public ACodec::BaseState {
341    FlushingState(ACodec *codec);
342
343protected:
344    virtual bool onMessageReceived(const sp<AMessage> &msg);
345    virtual void stateEntered();
346
347    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
348
349    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
350    virtual void onInputBufferFilled(const sp<AMessage> &msg);
351
352private:
353    bool mFlushComplete[2];
354
355    void changeStateIfWeOwnAllBuffers();
356
357    DISALLOW_EVIL_CONSTRUCTORS(FlushingState);
358};
359
360////////////////////////////////////////////////////////////////////////////////
361
362ACodec::ACodec()
363    : mQuirks(0),
364      mNode(NULL),
365      mSentFormat(false),
366      mIsEncoder(false),
367      mUseMetadataOnEncoderOutput(false),
368      mShutdownInProgress(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    int32_t iFrameInterval = 0;
2374    size_t tsLayers = 0;
2375    OMX_VIDEO_ANDROID_VPXTEMPORALLAYERPATTERNTYPE pattern =
2376        OMX_VIDEO_VPXTemporalLayerPatternNone;
2377    static const uint32_t kVp8LayerRateAlloction
2378        [OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS]
2379        [OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS] = {
2380        {100, 100, 100},  // 1 layer
2381        { 60, 100, 100},  // 2 layers {60%, 40%}
2382        { 40,  60, 100},  // 3 layers {40%, 20%, 40%}
2383    };
2384    if (!msg->findInt32("bitrate", &bitrate)) {
2385        return INVALID_OPERATION;
2386    }
2387    msg->findInt32("i-frame-interval", &iFrameInterval);
2388
2389    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
2390
2391    float frameRate;
2392    if (!msg->findFloat("frame-rate", &frameRate)) {
2393        int32_t tmp;
2394        if (!msg->findInt32("frame-rate", &tmp)) {
2395            return INVALID_OPERATION;
2396        }
2397        frameRate = (float)tmp;
2398    }
2399
2400    AString tsSchema;
2401    if (msg->findString("ts-schema", &tsSchema)) {
2402        if (tsSchema == "webrtc.vp8.1-layer") {
2403            pattern = OMX_VIDEO_VPXTemporalLayerPatternWebRTC;
2404            tsLayers = 1;
2405        } else if (tsSchema == "webrtc.vp8.2-layer") {
2406            pattern = OMX_VIDEO_VPXTemporalLayerPatternWebRTC;
2407            tsLayers = 2;
2408        } else if (tsSchema == "webrtc.vp8.3-layer") {
2409            pattern = OMX_VIDEO_VPXTemporalLayerPatternWebRTC;
2410            tsLayers = 3;
2411        } else {
2412            ALOGW("Unsupported ts-schema [%s]", tsSchema.c_str());
2413        }
2414    }
2415
2416    OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE vp8type;
2417    InitOMXParams(&vp8type);
2418    vp8type.nPortIndex = kPortIndexOutput;
2419    status_t err = mOMX->getParameter(
2420            mNode, (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidVp8Encoder,
2421            &vp8type, sizeof(vp8type));
2422
2423    if (err == OK) {
2424        if (iFrameInterval > 0) {
2425            vp8type.nKeyFrameInterval = setPFramesSpacing(iFrameInterval, frameRate);
2426        }
2427        vp8type.eTemporalPattern = pattern;
2428        vp8type.nTemporalLayerCount = tsLayers;
2429        if (tsLayers > 0) {
2430            for (size_t i = 0; i < OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS; i++) {
2431                vp8type.nTemporalLayerBitrateRatio[i] =
2432                    kVp8LayerRateAlloction[tsLayers - 1][i];
2433            }
2434        }
2435        if (bitrateMode == OMX_Video_ControlRateConstant) {
2436            vp8type.nMinQuantizer = 2;
2437            vp8type.nMaxQuantizer = 63;
2438        }
2439
2440        err = mOMX->setParameter(
2441                mNode, (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidVp8Encoder,
2442                &vp8type, sizeof(vp8type));
2443        if (err != OK) {
2444            ALOGW("Extended VP8 parameters set failed: %d", err);
2445        }
2446    }
2447
2448    return configureBitrate(bitrate, bitrateMode);
2449}
2450
2451status_t ACodec::verifySupportForProfileAndLevel(
2452        int32_t profile, int32_t level) {
2453    OMX_VIDEO_PARAM_PROFILELEVELTYPE params;
2454    InitOMXParams(&params);
2455    params.nPortIndex = kPortIndexOutput;
2456
2457    for (params.nProfileIndex = 0;; ++params.nProfileIndex) {
2458        status_t err = mOMX->getParameter(
2459                mNode,
2460                OMX_IndexParamVideoProfileLevelQuerySupported,
2461                &params,
2462                sizeof(params));
2463
2464        if (err != OK) {
2465            return err;
2466        }
2467
2468        int32_t supportedProfile = static_cast<int32_t>(params.eProfile);
2469        int32_t supportedLevel = static_cast<int32_t>(params.eLevel);
2470
2471        if (profile == supportedProfile && level <= supportedLevel) {
2472            return OK;
2473        }
2474    }
2475}
2476
2477status_t ACodec::configureBitrate(
2478        int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode) {
2479    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
2480    InitOMXParams(&bitrateType);
2481    bitrateType.nPortIndex = kPortIndexOutput;
2482
2483    status_t err = mOMX->getParameter(
2484            mNode, OMX_IndexParamVideoBitrate,
2485            &bitrateType, sizeof(bitrateType));
2486
2487    if (err != OK) {
2488        return err;
2489    }
2490
2491    bitrateType.eControlRate = bitrateMode;
2492    bitrateType.nTargetBitrate = bitrate;
2493
2494    return mOMX->setParameter(
2495            mNode, OMX_IndexParamVideoBitrate,
2496            &bitrateType, sizeof(bitrateType));
2497}
2498
2499status_t ACodec::setupErrorCorrectionParameters() {
2500    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
2501    InitOMXParams(&errorCorrectionType);
2502    errorCorrectionType.nPortIndex = kPortIndexOutput;
2503
2504    status_t err = mOMX->getParameter(
2505            mNode, OMX_IndexParamVideoErrorCorrection,
2506            &errorCorrectionType, sizeof(errorCorrectionType));
2507
2508    if (err != OK) {
2509        return OK;  // Optional feature. Ignore this failure
2510    }
2511
2512    errorCorrectionType.bEnableHEC = OMX_FALSE;
2513    errorCorrectionType.bEnableResync = OMX_TRUE;
2514    errorCorrectionType.nResynchMarkerSpacing = 256;
2515    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
2516    errorCorrectionType.bEnableRVLC = OMX_FALSE;
2517
2518    return mOMX->setParameter(
2519            mNode, OMX_IndexParamVideoErrorCorrection,
2520            &errorCorrectionType, sizeof(errorCorrectionType));
2521}
2522
2523status_t ACodec::setVideoFormatOnPort(
2524        OMX_U32 portIndex,
2525        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
2526    OMX_PARAM_PORTDEFINITIONTYPE def;
2527    InitOMXParams(&def);
2528    def.nPortIndex = portIndex;
2529
2530    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2531
2532    status_t err = mOMX->getParameter(
2533            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2534
2535    CHECK_EQ(err, (status_t)OK);
2536
2537    if (portIndex == kPortIndexInput) {
2538        // XXX Need a (much) better heuristic to compute input buffer sizes.
2539        const size_t X = 64 * 1024;
2540        if (def.nBufferSize < X) {
2541            def.nBufferSize = X;
2542        }
2543    }
2544
2545    CHECK_EQ((int)def.eDomain, (int)OMX_PortDomainVideo);
2546
2547    video_def->nFrameWidth = width;
2548    video_def->nFrameHeight = height;
2549
2550    if (portIndex == kPortIndexInput) {
2551        video_def->eCompressionFormat = compressionFormat;
2552        video_def->eColorFormat = OMX_COLOR_FormatUnused;
2553    }
2554
2555    err = mOMX->setParameter(
2556            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2557
2558    return err;
2559}
2560
2561status_t ACodec::initNativeWindow() {
2562    if (mNativeWindow != NULL) {
2563        return mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_TRUE);
2564    }
2565
2566    mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_FALSE);
2567    return OK;
2568}
2569
2570size_t ACodec::countBuffersOwnedByComponent(OMX_U32 portIndex) const {
2571    size_t n = 0;
2572
2573    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2574        const BufferInfo &info = mBuffers[portIndex].itemAt(i);
2575
2576        if (info.mStatus == BufferInfo::OWNED_BY_COMPONENT) {
2577            ++n;
2578        }
2579    }
2580
2581    return n;
2582}
2583
2584size_t ACodec::countBuffersOwnedByNativeWindow() const {
2585    size_t n = 0;
2586
2587    for (size_t i = 0; i < mBuffers[kPortIndexOutput].size(); ++i) {
2588        const BufferInfo &info = mBuffers[kPortIndexOutput].itemAt(i);
2589
2590        if (info.mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2591            ++n;
2592        }
2593    }
2594
2595    return n;
2596}
2597
2598void ACodec::waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs() {
2599    if (mNativeWindow == NULL) {
2600        return;
2601    }
2602
2603    while (countBuffersOwnedByNativeWindow() > mNumUndequeuedBuffers
2604            && dequeueBufferFromNativeWindow() != NULL) {
2605        // these buffers will be submitted as regular buffers; account for this
2606        if (mStoreMetaDataInOutputBuffers && mMetaDataBuffersToSubmit > 0) {
2607            --mMetaDataBuffersToSubmit;
2608        }
2609    }
2610}
2611
2612bool ACodec::allYourBuffersAreBelongToUs(
2613        OMX_U32 portIndex) {
2614    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2615        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
2616
2617        if (info->mStatus != BufferInfo::OWNED_BY_US
2618                && info->mStatus != BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2619            ALOGV("[%s] Buffer %p on port %ld still has status %d",
2620                    mComponentName.c_str(),
2621                    info->mBufferID, portIndex, info->mStatus);
2622            return false;
2623        }
2624    }
2625
2626    return true;
2627}
2628
2629bool ACodec::allYourBuffersAreBelongToUs() {
2630    return allYourBuffersAreBelongToUs(kPortIndexInput)
2631        && allYourBuffersAreBelongToUs(kPortIndexOutput);
2632}
2633
2634void ACodec::deferMessage(const sp<AMessage> &msg) {
2635    bool wasEmptyBefore = mDeferredQueue.empty();
2636    mDeferredQueue.push_back(msg);
2637}
2638
2639void ACodec::processDeferredMessages() {
2640    List<sp<AMessage> > queue = mDeferredQueue;
2641    mDeferredQueue.clear();
2642
2643    List<sp<AMessage> >::iterator it = queue.begin();
2644    while (it != queue.end()) {
2645        onMessageReceived(*it++);
2646    }
2647}
2648
2649status_t ACodec::getPortFormat(OMX_U32 portIndex, sp<AMessage> &notify) {
2650    // TODO: catch errors an return them instead of using CHECK
2651    OMX_PARAM_PORTDEFINITIONTYPE def;
2652    InitOMXParams(&def);
2653    def.nPortIndex = portIndex;
2654
2655    CHECK_EQ(mOMX->getParameter(
2656                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def)),
2657             (status_t)OK);
2658
2659    CHECK_EQ((int)def.eDir,
2660            (int)(portIndex == kPortIndexOutput ? OMX_DirOutput : OMX_DirInput));
2661
2662    switch (def.eDomain) {
2663        case OMX_PortDomainVideo:
2664        {
2665            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2666            switch ((int)videoDef->eCompressionFormat) {
2667                case OMX_VIDEO_CodingUnused:
2668                {
2669                    CHECK(mIsEncoder ^ (portIndex == kPortIndexOutput));
2670                    notify->setString("mime", MEDIA_MIMETYPE_VIDEO_RAW);
2671
2672                    notify->setInt32("stride", videoDef->nStride);
2673                    notify->setInt32("slice-height", videoDef->nSliceHeight);
2674                    notify->setInt32("color-format", videoDef->eColorFormat);
2675
2676                    OMX_CONFIG_RECTTYPE rect;
2677                    InitOMXParams(&rect);
2678                    rect.nPortIndex = kPortIndexOutput;
2679
2680                    if (mOMX->getConfig(
2681                                mNode, OMX_IndexConfigCommonOutputCrop,
2682                                &rect, sizeof(rect)) != OK) {
2683                        rect.nLeft = 0;
2684                        rect.nTop = 0;
2685                        rect.nWidth = videoDef->nFrameWidth;
2686                        rect.nHeight = videoDef->nFrameHeight;
2687                    }
2688
2689                    CHECK_GE(rect.nLeft, 0);
2690                    CHECK_GE(rect.nTop, 0);
2691                    CHECK_GE(rect.nWidth, 0u);
2692                    CHECK_GE(rect.nHeight, 0u);
2693                    CHECK_LE(rect.nLeft + rect.nWidth - 1, videoDef->nFrameWidth);
2694                    CHECK_LE(rect.nTop + rect.nHeight - 1, videoDef->nFrameHeight);
2695
2696                    notify->setRect(
2697                            "crop",
2698                            rect.nLeft,
2699                            rect.nTop,
2700                            rect.nLeft + rect.nWidth - 1,
2701                            rect.nTop + rect.nHeight - 1);
2702
2703                    break;
2704                }
2705                default:
2706                {
2707                    CHECK(mIsEncoder ^ (portIndex == kPortIndexInput));
2708                    AString mime;
2709                    if (GetMimeTypeForVideoCoding(
2710                        videoDef->eCompressionFormat, &mime) != OK) {
2711                        notify->setString("mime", "application/octet-stream");
2712                    } else {
2713                        notify->setString("mime", mime.c_str());
2714                    }
2715                    break;
2716                }
2717            }
2718
2719            notify->setInt32("width", videoDef->nFrameWidth);
2720            notify->setInt32("height", videoDef->nFrameHeight);
2721            break;
2722        }
2723
2724        case OMX_PortDomainAudio:
2725        {
2726            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2727
2728            switch ((int)audioDef->eEncoding) {
2729                case OMX_AUDIO_CodingPCM:
2730                {
2731                    OMX_AUDIO_PARAM_PCMMODETYPE params;
2732                    InitOMXParams(&params);
2733                    params.nPortIndex = portIndex;
2734
2735                    CHECK_EQ(mOMX->getParameter(
2736                                mNode, OMX_IndexParamAudioPcm,
2737                                &params, sizeof(params)),
2738                             (status_t)OK);
2739
2740                    CHECK_GT(params.nChannels, 0);
2741                    CHECK(params.nChannels == 1 || params.bInterleaved);
2742                    CHECK_EQ(params.nBitPerSample, 16u);
2743
2744                    CHECK_EQ((int)params.eNumData,
2745                             (int)OMX_NumericalDataSigned);
2746
2747                    CHECK_EQ((int)params.ePCMMode,
2748                             (int)OMX_AUDIO_PCMModeLinear);
2749
2750                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_RAW);
2751                    notify->setInt32("channel-count", params.nChannels);
2752                    notify->setInt32("sample-rate", params.nSamplingRate);
2753
2754                    if (mChannelMaskPresent) {
2755                        notify->setInt32("channel-mask", mChannelMask);
2756                    }
2757                    break;
2758                }
2759
2760                case OMX_AUDIO_CodingAAC:
2761                {
2762                    OMX_AUDIO_PARAM_AACPROFILETYPE params;
2763                    InitOMXParams(&params);
2764                    params.nPortIndex = portIndex;
2765
2766                    CHECK_EQ(mOMX->getParameter(
2767                                mNode, OMX_IndexParamAudioAac,
2768                                &params, sizeof(params)),
2769                             (status_t)OK);
2770
2771                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
2772                    notify->setInt32("channel-count", params.nChannels);
2773                    notify->setInt32("sample-rate", params.nSampleRate);
2774                    break;
2775                }
2776
2777                case OMX_AUDIO_CodingAMR:
2778                {
2779                    OMX_AUDIO_PARAM_AMRTYPE params;
2780                    InitOMXParams(&params);
2781                    params.nPortIndex = portIndex;
2782
2783                    CHECK_EQ(mOMX->getParameter(
2784                                mNode, OMX_IndexParamAudioAmr,
2785                                &params, sizeof(params)),
2786                             (status_t)OK);
2787
2788                    notify->setInt32("channel-count", 1);
2789                    if (params.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0) {
2790                        notify->setString(
2791                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
2792
2793                        notify->setInt32("sample-rate", 16000);
2794                    } else {
2795                        notify->setString(
2796                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
2797
2798                        notify->setInt32("sample-rate", 8000);
2799                    }
2800                    break;
2801                }
2802
2803                case OMX_AUDIO_CodingFLAC:
2804                {
2805                    OMX_AUDIO_PARAM_FLACTYPE params;
2806                    InitOMXParams(&params);
2807                    params.nPortIndex = portIndex;
2808
2809                    CHECK_EQ(mOMX->getParameter(
2810                                mNode, OMX_IndexParamAudioFlac,
2811                                &params, sizeof(params)),
2812                             (status_t)OK);
2813
2814                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_FLAC);
2815                    notify->setInt32("channel-count", params.nChannels);
2816                    notify->setInt32("sample-rate", params.nSampleRate);
2817                    break;
2818                }
2819
2820                case OMX_AUDIO_CodingMP3:
2821                {
2822                    OMX_AUDIO_PARAM_MP3TYPE params;
2823                    InitOMXParams(&params);
2824                    params.nPortIndex = portIndex;
2825
2826                    CHECK_EQ(mOMX->getParameter(
2827                                mNode, OMX_IndexParamAudioMp3,
2828                                &params, sizeof(params)),
2829                             (status_t)OK);
2830
2831                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_MPEG);
2832                    notify->setInt32("channel-count", params.nChannels);
2833                    notify->setInt32("sample-rate", params.nSampleRate);
2834                    break;
2835                }
2836
2837                case OMX_AUDIO_CodingVORBIS:
2838                {
2839                    OMX_AUDIO_PARAM_VORBISTYPE params;
2840                    InitOMXParams(&params);
2841                    params.nPortIndex = portIndex;
2842
2843                    CHECK_EQ(mOMX->getParameter(
2844                                mNode, OMX_IndexParamAudioVorbis,
2845                                &params, sizeof(params)),
2846                             (status_t)OK);
2847
2848                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_VORBIS);
2849                    notify->setInt32("channel-count", params.nChannels);
2850                    notify->setInt32("sample-rate", params.nSampleRate);
2851                    break;
2852                }
2853
2854                case OMX_AUDIO_CodingAndroidAC3:
2855                {
2856                    OMX_AUDIO_PARAM_ANDROID_AC3TYPE params;
2857                    InitOMXParams(&params);
2858                    params.nPortIndex = portIndex;
2859
2860                    CHECK_EQ((status_t)OK, mOMX->getParameter(
2861                            mNode,
2862                            (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAc3,
2863                            &params,
2864                            sizeof(params)));
2865
2866                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_AC3);
2867                    notify->setInt32("channel-count", params.nChannels);
2868                    notify->setInt32("sample-rate", params.nSampleRate);
2869                    break;
2870                }
2871
2872                default:
2873                    ALOGE("UNKNOWN AUDIO CODING: %d\n", audioDef->eEncoding);
2874                    TRESPASS();
2875            }
2876            break;
2877        }
2878
2879        default:
2880            TRESPASS();
2881    }
2882
2883    return OK;
2884}
2885
2886void ACodec::sendFormatChange(const sp<AMessage> &reply) {
2887    sp<AMessage> notify = mNotify->dup();
2888    notify->setInt32("what", kWhatOutputFormatChanged);
2889
2890    CHECK_EQ(getPortFormat(kPortIndexOutput, notify), (status_t)OK);
2891
2892    AString mime;
2893    CHECK(notify->findString("mime", &mime));
2894
2895    int32_t left, top, right, bottom;
2896    if (mime == MEDIA_MIMETYPE_VIDEO_RAW &&
2897        mNativeWindow != NULL &&
2898        notify->findRect("crop", &left, &top, &right, &bottom)) {
2899        // notify renderer of the crop change
2900        // NOTE: native window uses extended right-bottom coordinate
2901        reply->setRect("crop", left, top, right + 1, bottom + 1);
2902    } else if (mime == MEDIA_MIMETYPE_AUDIO_RAW &&
2903               (mEncoderDelay || mEncoderPadding)) {
2904        int32_t channelCount;
2905        CHECK(notify->findInt32("channel-count", &channelCount));
2906        size_t frameSize = channelCount * sizeof(int16_t);
2907        if (mSkipCutBuffer != NULL) {
2908            size_t prevbufsize = mSkipCutBuffer->size();
2909            if (prevbufsize != 0) {
2910                ALOGW("Replacing SkipCutBuffer holding %d "
2911                      "bytes",
2912                      prevbufsize);
2913            }
2914        }
2915        mSkipCutBuffer = new SkipCutBuffer(
2916                mEncoderDelay * frameSize,
2917                mEncoderPadding * frameSize);
2918    }
2919
2920    notify->post();
2921
2922    mSentFormat = true;
2923}
2924
2925void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
2926    sp<AMessage> notify = mNotify->dup();
2927    notify->setInt32("what", ACodec::kWhatError);
2928    notify->setInt32("omx-error", error);
2929    notify->setInt32("err", internalError);
2930    notify->post();
2931}
2932
2933status_t ACodec::pushBlankBuffersToNativeWindow() {
2934    status_t err = NO_ERROR;
2935    ANativeWindowBuffer* anb = NULL;
2936    int numBufs = 0;
2937    int minUndequeuedBufs = 0;
2938
2939    // We need to reconnect to the ANativeWindow as a CPU client to ensure that
2940    // no frames get dropped by SurfaceFlinger assuming that these are video
2941    // frames.
2942    err = native_window_api_disconnect(mNativeWindow.get(),
2943            NATIVE_WINDOW_API_MEDIA);
2944    if (err != NO_ERROR) {
2945        ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2946                strerror(-err), -err);
2947        return err;
2948    }
2949
2950    err = native_window_api_connect(mNativeWindow.get(),
2951            NATIVE_WINDOW_API_CPU);
2952    if (err != NO_ERROR) {
2953        ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2954                strerror(-err), -err);
2955        return err;
2956    }
2957
2958    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
2959            HAL_PIXEL_FORMAT_RGBX_8888);
2960    if (err != NO_ERROR) {
2961        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
2962                strerror(-err), -err);
2963        goto error;
2964    }
2965
2966    err = native_window_set_scaling_mode(mNativeWindow.get(),
2967                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
2968    if (err != NO_ERROR) {
2969        ALOGE("error pushing blank_frames: set_scaling_mode failed: %s (%d)",
2970              strerror(-err), -err);
2971        goto error;
2972    }
2973
2974    err = native_window_set_usage(mNativeWindow.get(),
2975            GRALLOC_USAGE_SW_WRITE_OFTEN);
2976    if (err != NO_ERROR) {
2977        ALOGE("error pushing blank frames: set_usage failed: %s (%d)",
2978                strerror(-err), -err);
2979        goto error;
2980    }
2981
2982    err = mNativeWindow->query(mNativeWindow.get(),
2983            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
2984    if (err != NO_ERROR) {
2985        ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
2986                "failed: %s (%d)", strerror(-err), -err);
2987        goto error;
2988    }
2989
2990    numBufs = minUndequeuedBufs + 1;
2991    err = native_window_set_buffer_count(mNativeWindow.get(), numBufs);
2992    if (err != NO_ERROR) {
2993        ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)",
2994                strerror(-err), -err);
2995        goto error;
2996    }
2997
2998    // We  push numBufs + 1 buffers to ensure that we've drawn into the same
2999    // buffer twice.  This should guarantee that the buffer has been displayed
3000    // on the screen and then been replaced, so an previous video frames are
3001    // guaranteed NOT to be currently displayed.
3002    for (int i = 0; i < numBufs + 1; i++) {
3003        int fenceFd = -1;
3004        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &anb);
3005        if (err != NO_ERROR) {
3006            ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
3007                    strerror(-err), -err);
3008            goto error;
3009        }
3010
3011        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
3012
3013        // Fill the buffer with the a 1x1 checkerboard pattern ;)
3014        uint32_t* img = NULL;
3015        err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
3016        if (err != NO_ERROR) {
3017            ALOGE("error pushing blank frames: lock failed: %s (%d)",
3018                    strerror(-err), -err);
3019            goto error;
3020        }
3021
3022        *img = 0;
3023
3024        err = buf->unlock();
3025        if (err != NO_ERROR) {
3026            ALOGE("error pushing blank frames: unlock failed: %s (%d)",
3027                    strerror(-err), -err);
3028            goto error;
3029        }
3030
3031        err = mNativeWindow->queueBuffer(mNativeWindow.get(),
3032                buf->getNativeBuffer(), -1);
3033        if (err != NO_ERROR) {
3034            ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)",
3035                    strerror(-err), -err);
3036            goto error;
3037        }
3038
3039        anb = NULL;
3040    }
3041
3042error:
3043
3044    if (err != NO_ERROR) {
3045        // Clean up after an error.
3046        if (anb != NULL) {
3047            mNativeWindow->cancelBuffer(mNativeWindow.get(), anb, -1);
3048        }
3049
3050        native_window_api_disconnect(mNativeWindow.get(),
3051                NATIVE_WINDOW_API_CPU);
3052        native_window_api_connect(mNativeWindow.get(),
3053                NATIVE_WINDOW_API_MEDIA);
3054
3055        return err;
3056    } else {
3057        // Clean up after success.
3058        err = native_window_api_disconnect(mNativeWindow.get(),
3059                NATIVE_WINDOW_API_CPU);
3060        if (err != NO_ERROR) {
3061            ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
3062                    strerror(-err), -err);
3063            return err;
3064        }
3065
3066        err = native_window_api_connect(mNativeWindow.get(),
3067                NATIVE_WINDOW_API_MEDIA);
3068        if (err != NO_ERROR) {
3069            ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
3070                    strerror(-err), -err);
3071            return err;
3072        }
3073
3074        return NO_ERROR;
3075    }
3076}
3077
3078////////////////////////////////////////////////////////////////////////////////
3079
3080ACodec::PortDescription::PortDescription() {
3081}
3082
3083status_t ACodec::requestIDRFrame() {
3084    if (!mIsEncoder) {
3085        return ERROR_UNSUPPORTED;
3086    }
3087
3088    OMX_CONFIG_INTRAREFRESHVOPTYPE params;
3089    InitOMXParams(&params);
3090
3091    params.nPortIndex = kPortIndexOutput;
3092    params.IntraRefreshVOP = OMX_TRUE;
3093
3094    return mOMX->setConfig(
3095            mNode,
3096            OMX_IndexConfigVideoIntraVOPRefresh,
3097            &params,
3098            sizeof(params));
3099}
3100
3101void ACodec::PortDescription::addBuffer(
3102        IOMX::buffer_id id, const sp<ABuffer> &buffer) {
3103    mBufferIDs.push_back(id);
3104    mBuffers.push_back(buffer);
3105}
3106
3107size_t ACodec::PortDescription::countBuffers() {
3108    return mBufferIDs.size();
3109}
3110
3111IOMX::buffer_id ACodec::PortDescription::bufferIDAt(size_t index) const {
3112    return mBufferIDs.itemAt(index);
3113}
3114
3115sp<ABuffer> ACodec::PortDescription::bufferAt(size_t index) const {
3116    return mBuffers.itemAt(index);
3117}
3118
3119////////////////////////////////////////////////////////////////////////////////
3120
3121ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
3122    : AState(parentState),
3123      mCodec(codec) {
3124}
3125
3126ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(
3127        OMX_U32 /* portIndex */) {
3128    return KEEP_BUFFERS;
3129}
3130
3131bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
3132    switch (msg->what()) {
3133        case kWhatInputBufferFilled:
3134        {
3135            onInputBufferFilled(msg);
3136            break;
3137        }
3138
3139        case kWhatOutputBufferDrained:
3140        {
3141            onOutputBufferDrained(msg);
3142            break;
3143        }
3144
3145        case ACodec::kWhatOMXMessage:
3146        {
3147            return onOMXMessage(msg);
3148        }
3149
3150        case ACodec::kWhatCreateInputSurface:
3151        case ACodec::kWhatSignalEndOfInputStream:
3152        {
3153            ALOGE("Message 0x%x was not handled", msg->what());
3154            mCodec->signalError(OMX_ErrorUndefined, INVALID_OPERATION);
3155            return true;
3156        }
3157
3158        case ACodec::kWhatOMXDied:
3159        {
3160            ALOGE("OMX/mediaserver died, signalling error!");
3161            mCodec->signalError(OMX_ErrorResourcesLost, DEAD_OBJECT);
3162            break;
3163        }
3164
3165        default:
3166            return false;
3167    }
3168
3169    return true;
3170}
3171
3172bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
3173    int32_t type;
3174    CHECK(msg->findInt32("type", &type));
3175
3176    IOMX::node_id nodeID;
3177    CHECK(msg->findPointer("node", &nodeID));
3178    CHECK_EQ(nodeID, mCodec->mNode);
3179
3180    switch (type) {
3181        case omx_message::EVENT:
3182        {
3183            int32_t event, data1, data2;
3184            CHECK(msg->findInt32("event", &event));
3185            CHECK(msg->findInt32("data1", &data1));
3186            CHECK(msg->findInt32("data2", &data2));
3187
3188            if (event == OMX_EventCmdComplete
3189                    && data1 == OMX_CommandFlush
3190                    && data2 == (int32_t)OMX_ALL) {
3191                // Use of this notification is not consistent across
3192                // implementations. We'll drop this notification and rely
3193                // on flush-complete notifications on the individual port
3194                // indices instead.
3195
3196                return true;
3197            }
3198
3199            return onOMXEvent(
3200                    static_cast<OMX_EVENTTYPE>(event),
3201                    static_cast<OMX_U32>(data1),
3202                    static_cast<OMX_U32>(data2));
3203        }
3204
3205        case omx_message::EMPTY_BUFFER_DONE:
3206        {
3207            IOMX::buffer_id bufferID;
3208            CHECK(msg->findPointer("buffer", &bufferID));
3209
3210            return onOMXEmptyBufferDone(bufferID);
3211        }
3212
3213        case omx_message::FILL_BUFFER_DONE:
3214        {
3215            IOMX::buffer_id bufferID;
3216            CHECK(msg->findPointer("buffer", &bufferID));
3217
3218            int32_t rangeOffset, rangeLength, flags;
3219            int64_t timeUs;
3220            void *platformPrivate;
3221            void *dataPtr;
3222
3223            CHECK(msg->findInt32("range_offset", &rangeOffset));
3224            CHECK(msg->findInt32("range_length", &rangeLength));
3225            CHECK(msg->findInt32("flags", &flags));
3226            CHECK(msg->findInt64("timestamp", &timeUs));
3227            CHECK(msg->findPointer("platform_private", &platformPrivate));
3228            CHECK(msg->findPointer("data_ptr", &dataPtr));
3229
3230            return onOMXFillBufferDone(
3231                    bufferID,
3232                    (size_t)rangeOffset, (size_t)rangeLength,
3233                    (OMX_U32)flags,
3234                    timeUs,
3235                    platformPrivate,
3236                    dataPtr);
3237        }
3238
3239        default:
3240            TRESPASS();
3241            break;
3242    }
3243}
3244
3245bool ACodec::BaseState::onOMXEvent(
3246        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3247    if (event != OMX_EventError) {
3248        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
3249             mCodec->mComponentName.c_str(), event, data1, data2);
3250
3251        return false;
3252    }
3253
3254    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
3255
3256    mCodec->signalError((OMX_ERRORTYPE)data1);
3257
3258    return true;
3259}
3260
3261bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
3262    ALOGV("[%s] onOMXEmptyBufferDone %p",
3263         mCodec->mComponentName.c_str(), bufferID);
3264
3265    BufferInfo *info =
3266        mCodec->findBufferByID(kPortIndexInput, bufferID);
3267
3268    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
3269    info->mStatus = BufferInfo::OWNED_BY_US;
3270
3271    const sp<AMessage> &bufferMeta = info->mData->meta();
3272    void *mediaBuffer;
3273    if (bufferMeta->findPointer("mediaBuffer", &mediaBuffer)
3274            && mediaBuffer != NULL) {
3275        // We're in "store-metadata-in-buffers" mode, the underlying
3276        // OMX component had access to data that's implicitly refcounted
3277        // by this "mediaBuffer" object. Now that the OMX component has
3278        // told us that it's done with the input buffer, we can decrement
3279        // the mediaBuffer's reference count.
3280
3281        ALOGV("releasing mbuf %p", mediaBuffer);
3282
3283        ((MediaBuffer *)mediaBuffer)->release();
3284        mediaBuffer = NULL;
3285
3286        bufferMeta->setPointer("mediaBuffer", NULL);
3287    }
3288
3289    PortMode mode = getPortMode(kPortIndexInput);
3290
3291    switch (mode) {
3292        case KEEP_BUFFERS:
3293            break;
3294
3295        case RESUBMIT_BUFFERS:
3296            postFillThisBuffer(info);
3297            break;
3298
3299        default:
3300        {
3301            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3302            TRESPASS();  // Not currently used
3303            break;
3304        }
3305    }
3306
3307    return true;
3308}
3309
3310void ACodec::BaseState::postFillThisBuffer(BufferInfo *info) {
3311    if (mCodec->mPortEOS[kPortIndexInput]) {
3312        return;
3313    }
3314
3315    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
3316
3317    sp<AMessage> notify = mCodec->mNotify->dup();
3318    notify->setInt32("what", ACodec::kWhatFillThisBuffer);
3319    notify->setPointer("buffer-id", info->mBufferID);
3320
3321    info->mData->meta()->clear();
3322    notify->setBuffer("buffer", info->mData);
3323
3324    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, mCodec->id());
3325    reply->setPointer("buffer-id", info->mBufferID);
3326
3327    notify->setMessage("reply", reply);
3328
3329    notify->post();
3330
3331    info->mStatus = BufferInfo::OWNED_BY_UPSTREAM;
3332}
3333
3334void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
3335    IOMX::buffer_id bufferID;
3336    CHECK(msg->findPointer("buffer-id", &bufferID));
3337
3338    sp<ABuffer> buffer;
3339    int32_t err = OK;
3340    bool eos = false;
3341    PortMode mode = getPortMode(kPortIndexInput);
3342
3343    if (!msg->findBuffer("buffer", &buffer)) {
3344        /* these are unfilled buffers returned by client */
3345        CHECK(msg->findInt32("err", &err));
3346
3347        if (err == OK) {
3348            /* buffers with no errors are returned on MediaCodec.flush */
3349            mode = KEEP_BUFFERS;
3350        } else {
3351            ALOGV("[%s] saw error %d instead of an input buffer",
3352                 mCodec->mComponentName.c_str(), err);
3353            eos = true;
3354        }
3355
3356        buffer.clear();
3357    }
3358
3359    int32_t tmp;
3360    if (buffer != NULL && buffer->meta()->findInt32("eos", &tmp) && tmp) {
3361        eos = true;
3362        err = ERROR_END_OF_STREAM;
3363    }
3364
3365    BufferInfo *info = mCodec->findBufferByID(kPortIndexInput, bufferID);
3366    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_UPSTREAM);
3367
3368    info->mStatus = BufferInfo::OWNED_BY_US;
3369
3370    switch (mode) {
3371        case KEEP_BUFFERS:
3372        {
3373            if (eos) {
3374                if (!mCodec->mPortEOS[kPortIndexInput]) {
3375                    mCodec->mPortEOS[kPortIndexInput] = true;
3376                    mCodec->mInputEOSResult = err;
3377                }
3378            }
3379            break;
3380        }
3381
3382        case RESUBMIT_BUFFERS:
3383        {
3384            if (buffer != NULL && !mCodec->mPortEOS[kPortIndexInput]) {
3385                int64_t timeUs;
3386                CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
3387
3388                OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
3389
3390                int32_t isCSD;
3391                if (buffer->meta()->findInt32("csd", &isCSD) && isCSD != 0) {
3392                    flags |= OMX_BUFFERFLAG_CODECCONFIG;
3393                }
3394
3395                if (eos) {
3396                    flags |= OMX_BUFFERFLAG_EOS;
3397                }
3398
3399                if (buffer != info->mData) {
3400                    ALOGV("[%s] Needs to copy input data for buffer %p. (%p != %p)",
3401                         mCodec->mComponentName.c_str(),
3402                         bufferID,
3403                         buffer.get(), info->mData.get());
3404
3405                    CHECK_LE(buffer->size(), info->mData->capacity());
3406                    memcpy(info->mData->data(), buffer->data(), buffer->size());
3407                }
3408
3409                if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
3410                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
3411                         mCodec->mComponentName.c_str(), bufferID);
3412                } else if (flags & OMX_BUFFERFLAG_EOS) {
3413                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
3414                         mCodec->mComponentName.c_str(), bufferID);
3415                } else {
3416#if TRACK_BUFFER_TIMING
3417                    ALOGI("[%s] calling emptyBuffer %p w/ time %lld us",
3418                         mCodec->mComponentName.c_str(), bufferID, timeUs);
3419#else
3420                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
3421                         mCodec->mComponentName.c_str(), bufferID, timeUs);
3422#endif
3423                }
3424
3425#if TRACK_BUFFER_TIMING
3426                ACodec::BufferStats stats;
3427                stats.mEmptyBufferTimeUs = ALooper::GetNowUs();
3428                stats.mFillBufferDoneTimeUs = -1ll;
3429                mCodec->mBufferStats.add(timeUs, stats);
3430#endif
3431
3432                if (mCodec->mStoreMetaDataInOutputBuffers) {
3433                    // try to submit an output buffer for each input buffer
3434                    PortMode outputMode = getPortMode(kPortIndexOutput);
3435
3436                    ALOGV("MetaDataBuffersToSubmit=%u portMode=%s",
3437                            mCodec->mMetaDataBuffersToSubmit,
3438                            (outputMode == FREE_BUFFERS ? "FREE" :
3439                             outputMode == KEEP_BUFFERS ? "KEEP" : "RESUBMIT"));
3440                    if (outputMode == RESUBMIT_BUFFERS) {
3441                        CHECK_EQ(mCodec->submitOutputMetaDataBuffer(),
3442                                (status_t)OK);
3443                    }
3444                }
3445
3446                CHECK_EQ(mCodec->mOMX->emptyBuffer(
3447                            mCodec->mNode,
3448                            bufferID,
3449                            0,
3450                            buffer->size(),
3451                            flags,
3452                            timeUs),
3453                         (status_t)OK);
3454
3455                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3456
3457                if (!eos) {
3458                    getMoreInputDataIfPossible();
3459                } else {
3460                    ALOGV("[%s] Signalled EOS on the input port",
3461                         mCodec->mComponentName.c_str());
3462
3463                    mCodec->mPortEOS[kPortIndexInput] = true;
3464                    mCodec->mInputEOSResult = err;
3465                }
3466            } else if (!mCodec->mPortEOS[kPortIndexInput]) {
3467                if (err != ERROR_END_OF_STREAM) {
3468                    ALOGV("[%s] Signalling EOS on the input port "
3469                         "due to error %d",
3470                         mCodec->mComponentName.c_str(), err);
3471                } else {
3472                    ALOGV("[%s] Signalling EOS on the input port",
3473                         mCodec->mComponentName.c_str());
3474                }
3475
3476                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
3477                     mCodec->mComponentName.c_str(), bufferID);
3478
3479                CHECK_EQ(mCodec->mOMX->emptyBuffer(
3480                            mCodec->mNode,
3481                            bufferID,
3482                            0,
3483                            0,
3484                            OMX_BUFFERFLAG_EOS,
3485                            0),
3486                         (status_t)OK);
3487
3488                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3489
3490                mCodec->mPortEOS[kPortIndexInput] = true;
3491                mCodec->mInputEOSResult = err;
3492            }
3493            break;
3494        }
3495
3496        default:
3497            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3498            break;
3499    }
3500}
3501
3502void ACodec::BaseState::getMoreInputDataIfPossible() {
3503    if (mCodec->mPortEOS[kPortIndexInput]) {
3504        return;
3505    }
3506
3507    BufferInfo *eligible = NULL;
3508
3509    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
3510        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
3511
3512#if 0
3513        if (info->mStatus == BufferInfo::OWNED_BY_UPSTREAM) {
3514            // There's already a "read" pending.
3515            return;
3516        }
3517#endif
3518
3519        if (info->mStatus == BufferInfo::OWNED_BY_US) {
3520            eligible = info;
3521        }
3522    }
3523
3524    if (eligible == NULL) {
3525        return;
3526    }
3527
3528    postFillThisBuffer(eligible);
3529}
3530
3531bool ACodec::BaseState::onOMXFillBufferDone(
3532        IOMX::buffer_id bufferID,
3533        size_t rangeOffset, size_t rangeLength,
3534        OMX_U32 flags,
3535        int64_t timeUs,
3536        void * /* platformPrivate */,
3537        void * /* dataPtr */) {
3538    ALOGV("[%s] onOMXFillBufferDone %p time %lld us, flags = 0x%08lx",
3539         mCodec->mComponentName.c_str(), bufferID, timeUs, flags);
3540
3541    ssize_t index;
3542
3543#if TRACK_BUFFER_TIMING
3544    index = mCodec->mBufferStats.indexOfKey(timeUs);
3545    if (index >= 0) {
3546        ACodec::BufferStats *stats = &mCodec->mBufferStats.editValueAt(index);
3547        stats->mFillBufferDoneTimeUs = ALooper::GetNowUs();
3548
3549        ALOGI("frame PTS %lld: %lld",
3550                timeUs,
3551                stats->mFillBufferDoneTimeUs - stats->mEmptyBufferTimeUs);
3552
3553        mCodec->mBufferStats.removeItemsAt(index);
3554        stats = NULL;
3555    }
3556#endif
3557
3558    BufferInfo *info =
3559        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3560
3561    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
3562
3563    info->mDequeuedAt = ++mCodec->mDequeueCounter;
3564    info->mStatus = BufferInfo::OWNED_BY_US;
3565
3566    PortMode mode = getPortMode(kPortIndexOutput);
3567
3568    switch (mode) {
3569        case KEEP_BUFFERS:
3570            break;
3571
3572        case RESUBMIT_BUFFERS:
3573        {
3574            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
3575                ALOGV("[%s] calling fillBuffer %p",
3576                     mCodec->mComponentName.c_str(), info->mBufferID);
3577
3578                CHECK_EQ(mCodec->mOMX->fillBuffer(
3579                            mCodec->mNode, info->mBufferID),
3580                         (status_t)OK);
3581
3582                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3583                break;
3584            }
3585
3586            sp<AMessage> reply =
3587                new AMessage(kWhatOutputBufferDrained, mCodec->id());
3588
3589            if (!mCodec->mSentFormat && rangeLength > 0) {
3590                mCodec->sendFormatChange(reply);
3591            }
3592
3593            if (mCodec->mUseMetadataOnEncoderOutput) {
3594                native_handle_t* handle =
3595                        *(native_handle_t**)(info->mData->data() + 4);
3596                info->mData->meta()->setPointer("handle", handle);
3597                info->mData->meta()->setInt32("rangeOffset", rangeOffset);
3598                info->mData->meta()->setInt32("rangeLength", rangeLength);
3599            } else {
3600                info->mData->setRange(rangeOffset, rangeLength);
3601            }
3602#if 0
3603            if (mCodec->mNativeWindow == NULL) {
3604                if (IsIDR(info->mData)) {
3605                    ALOGI("IDR frame");
3606                }
3607            }
3608#endif
3609
3610            if (mCodec->mSkipCutBuffer != NULL) {
3611                mCodec->mSkipCutBuffer->submit(info->mData);
3612            }
3613            info->mData->meta()->setInt64("timeUs", timeUs);
3614
3615            sp<AMessage> notify = mCodec->mNotify->dup();
3616            notify->setInt32("what", ACodec::kWhatDrainThisBuffer);
3617            notify->setPointer("buffer-id", info->mBufferID);
3618            notify->setBuffer("buffer", info->mData);
3619            notify->setInt32("flags", flags);
3620
3621            reply->setPointer("buffer-id", info->mBufferID);
3622
3623            notify->setMessage("reply", reply);
3624
3625            notify->post();
3626
3627            info->mStatus = BufferInfo::OWNED_BY_DOWNSTREAM;
3628
3629            if (flags & OMX_BUFFERFLAG_EOS) {
3630                ALOGV("[%s] saw output EOS", mCodec->mComponentName.c_str());
3631
3632                sp<AMessage> notify = mCodec->mNotify->dup();
3633                notify->setInt32("what", ACodec::kWhatEOS);
3634                notify->setInt32("err", mCodec->mInputEOSResult);
3635                notify->post();
3636
3637                mCodec->mPortEOS[kPortIndexOutput] = true;
3638            }
3639            break;
3640        }
3641
3642        default:
3643        {
3644            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3645
3646            CHECK_EQ((status_t)OK,
3647                     mCodec->freeBuffer(kPortIndexOutput, index));
3648            break;
3649        }
3650    }
3651
3652    return true;
3653}
3654
3655void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
3656    IOMX::buffer_id bufferID;
3657    CHECK(msg->findPointer("buffer-id", &bufferID));
3658
3659    ssize_t index;
3660    BufferInfo *info =
3661        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3662    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
3663
3664    android_native_rect_t crop;
3665    if (msg->findRect("crop",
3666            &crop.left, &crop.top, &crop.right, &crop.bottom)) {
3667        CHECK_EQ(0, native_window_set_crop(
3668                mCodec->mNativeWindow.get(), &crop));
3669    }
3670
3671    int32_t render;
3672    if (mCodec->mNativeWindow != NULL
3673            && msg->findInt32("render", &render) && render != 0
3674            && info->mData != NULL && info->mData->size() != 0) {
3675        // The client wants this buffer to be rendered.
3676
3677        status_t err;
3678        if ((err = mCodec->mNativeWindow->queueBuffer(
3679                    mCodec->mNativeWindow.get(),
3680                    info->mGraphicBuffer.get(), -1)) == OK) {
3681            info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
3682        } else {
3683            mCodec->signalError(OMX_ErrorUndefined, err);
3684            info->mStatus = BufferInfo::OWNED_BY_US;
3685        }
3686    } else {
3687        info->mStatus = BufferInfo::OWNED_BY_US;
3688    }
3689
3690    PortMode mode = getPortMode(kPortIndexOutput);
3691
3692    switch (mode) {
3693        case KEEP_BUFFERS:
3694        {
3695            // XXX fishy, revisit!!! What about the FREE_BUFFERS case below?
3696
3697            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3698                // We cannot resubmit the buffer we just rendered, dequeue
3699                // the spare instead.
3700
3701                info = mCodec->dequeueBufferFromNativeWindow();
3702            }
3703            break;
3704        }
3705
3706        case RESUBMIT_BUFFERS:
3707        {
3708            if (!mCodec->mPortEOS[kPortIndexOutput]) {
3709                if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3710                    // We cannot resubmit the buffer we just rendered, dequeue
3711                    // the spare instead.
3712
3713                    info = mCodec->dequeueBufferFromNativeWindow();
3714                }
3715
3716                if (info != NULL) {
3717                    ALOGV("[%s] calling fillBuffer %p",
3718                         mCodec->mComponentName.c_str(), info->mBufferID);
3719
3720                    CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3721                             (status_t)OK);
3722
3723                    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3724                }
3725            }
3726            break;
3727        }
3728
3729        default:
3730        {
3731            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3732
3733            CHECK_EQ((status_t)OK,
3734                     mCodec->freeBuffer(kPortIndexOutput, index));
3735            break;
3736        }
3737    }
3738}
3739
3740////////////////////////////////////////////////////////////////////////////////
3741
3742ACodec::UninitializedState::UninitializedState(ACodec *codec)
3743    : BaseState(codec) {
3744}
3745
3746void ACodec::UninitializedState::stateEntered() {
3747    ALOGV("Now uninitialized");
3748
3749    if (mDeathNotifier != NULL) {
3750        mCodec->mOMX->asBinder()->unlinkToDeath(mDeathNotifier);
3751        mDeathNotifier.clear();
3752    }
3753
3754    mCodec->mNativeWindow.clear();
3755    mCodec->mNode = NULL;
3756    mCodec->mOMX.clear();
3757    mCodec->mQuirks = 0;
3758    mCodec->mFlags = 0;
3759    mCodec->mUseMetadataOnEncoderOutput = 0;
3760    mCodec->mComponentName.clear();
3761}
3762
3763bool ACodec::UninitializedState::onMessageReceived(const sp<AMessage> &msg) {
3764    bool handled = false;
3765
3766    switch (msg->what()) {
3767        case ACodec::kWhatSetup:
3768        {
3769            onSetup(msg);
3770
3771            handled = true;
3772            break;
3773        }
3774
3775        case ACodec::kWhatAllocateComponent:
3776        {
3777            onAllocateComponent(msg);
3778            handled = true;
3779            break;
3780        }
3781
3782        case ACodec::kWhatShutdown:
3783        {
3784            int32_t keepComponentAllocated;
3785            CHECK(msg->findInt32(
3786                        "keepComponentAllocated", &keepComponentAllocated));
3787            CHECK(!keepComponentAllocated);
3788
3789            sp<AMessage> notify = mCodec->mNotify->dup();
3790            notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3791            notify->post();
3792
3793            handled = true;
3794            break;
3795        }
3796
3797        case ACodec::kWhatFlush:
3798        {
3799            sp<AMessage> notify = mCodec->mNotify->dup();
3800            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3801            notify->post();
3802
3803            handled = true;
3804            break;
3805        }
3806
3807        default:
3808            return BaseState::onMessageReceived(msg);
3809    }
3810
3811    return handled;
3812}
3813
3814void ACodec::UninitializedState::onSetup(
3815        const sp<AMessage> &msg) {
3816    if (onAllocateComponent(msg)
3817            && mCodec->mLoadedState->onConfigureComponent(msg)) {
3818        mCodec->mLoadedState->onStart();
3819    }
3820}
3821
3822bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
3823    ALOGV("onAllocateComponent");
3824
3825    CHECK(mCodec->mNode == NULL);
3826
3827    OMXClient client;
3828    CHECK_EQ(client.connect(), (status_t)OK);
3829
3830    sp<IOMX> omx = client.interface();
3831
3832    sp<AMessage> notify = new AMessage(kWhatOMXDied, mCodec->id());
3833
3834    mDeathNotifier = new DeathNotifier(notify);
3835    if (omx->asBinder()->linkToDeath(mDeathNotifier) != OK) {
3836        // This was a local binder, if it dies so do we, we won't care
3837        // about any notifications in the afterlife.
3838        mDeathNotifier.clear();
3839    }
3840
3841    Vector<OMXCodec::CodecNameAndQuirks> matchingCodecs;
3842
3843    AString mime;
3844
3845    AString componentName;
3846    uint32_t quirks = 0;
3847    if (msg->findString("componentName", &componentName)) {
3848        ssize_t index = matchingCodecs.add();
3849        OMXCodec::CodecNameAndQuirks *entry = &matchingCodecs.editItemAt(index);
3850        entry->mName = String8(componentName.c_str());
3851
3852        if (!OMXCodec::findCodecQuirks(
3853                    componentName.c_str(), &entry->mQuirks)) {
3854            entry->mQuirks = 0;
3855        }
3856    } else {
3857        CHECK(msg->findString("mime", &mime));
3858
3859        int32_t encoder;
3860        if (!msg->findInt32("encoder", &encoder)) {
3861            encoder = false;
3862        }
3863
3864        OMXCodec::findMatchingCodecs(
3865                mime.c_str(),
3866                encoder, // createEncoder
3867                NULL,  // matchComponentName
3868                0,     // flags
3869                &matchingCodecs);
3870    }
3871
3872    sp<CodecObserver> observer = new CodecObserver;
3873    IOMX::node_id node = NULL;
3874
3875    for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
3876            ++matchIndex) {
3877        componentName = matchingCodecs.itemAt(matchIndex).mName.string();
3878        quirks = matchingCodecs.itemAt(matchIndex).mQuirks;
3879
3880        pid_t tid = androidGetTid();
3881        int prevPriority = androidGetThreadPriority(tid);
3882        androidSetThreadPriority(tid, ANDROID_PRIORITY_FOREGROUND);
3883        status_t err = omx->allocateNode(componentName.c_str(), observer, &node);
3884        androidSetThreadPriority(tid, prevPriority);
3885
3886        if (err == OK) {
3887            break;
3888        }
3889
3890        node = NULL;
3891    }
3892
3893    if (node == NULL) {
3894        if (!mime.empty()) {
3895            ALOGE("Unable to instantiate a decoder for type '%s'.",
3896                 mime.c_str());
3897        } else {
3898            ALOGE("Unable to instantiate decoder '%s'.", componentName.c_str());
3899        }
3900
3901        mCodec->signalError(OMX_ErrorComponentNotFound);
3902        return false;
3903    }
3904
3905    notify = new AMessage(kWhatOMXMessage, mCodec->id());
3906    observer->setNotificationMessage(notify);
3907
3908    mCodec->mComponentName = componentName;
3909    mCodec->mFlags = 0;
3910
3911    if (componentName.endsWith(".secure")) {
3912        mCodec->mFlags |= kFlagIsSecure;
3913        mCodec->mFlags |= kFlagPushBlankBuffersToNativeWindowOnShutdown;
3914    }
3915
3916    mCodec->mQuirks = quirks;
3917    mCodec->mOMX = omx;
3918    mCodec->mNode = node;
3919
3920    {
3921        sp<AMessage> notify = mCodec->mNotify->dup();
3922        notify->setInt32("what", ACodec::kWhatComponentAllocated);
3923        notify->setString("componentName", mCodec->mComponentName.c_str());
3924        notify->post();
3925    }
3926
3927    mCodec->changeState(mCodec->mLoadedState);
3928
3929    return true;
3930}
3931
3932////////////////////////////////////////////////////////////////////////////////
3933
3934ACodec::LoadedState::LoadedState(ACodec *codec)
3935    : BaseState(codec) {
3936}
3937
3938void ACodec::LoadedState::stateEntered() {
3939    ALOGV("[%s] Now Loaded", mCodec->mComponentName.c_str());
3940
3941    mCodec->mPortEOS[kPortIndexInput] =
3942        mCodec->mPortEOS[kPortIndexOutput] = false;
3943
3944    mCodec->mInputEOSResult = OK;
3945
3946    mCodec->mDequeueCounter = 0;
3947    mCodec->mMetaDataBuffersToSubmit = 0;
3948    mCodec->mRepeatFrameDelayUs = -1ll;
3949    mCodec->mInputFormat.clear();
3950    mCodec->mOutputFormat.clear();
3951
3952    if (mCodec->mShutdownInProgress) {
3953        bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
3954
3955        mCodec->mShutdownInProgress = false;
3956        mCodec->mKeepComponentAllocated = false;
3957
3958        onShutdown(keepComponentAllocated);
3959    }
3960}
3961
3962void ACodec::LoadedState::onShutdown(bool keepComponentAllocated) {
3963    if (!keepComponentAllocated) {
3964        CHECK_EQ(mCodec->mOMX->freeNode(mCodec->mNode), (status_t)OK);
3965
3966        mCodec->changeState(mCodec->mUninitializedState);
3967    }
3968
3969    sp<AMessage> notify = mCodec->mNotify->dup();
3970    notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3971    notify->post();
3972}
3973
3974bool ACodec::LoadedState::onMessageReceived(const sp<AMessage> &msg) {
3975    bool handled = false;
3976
3977    switch (msg->what()) {
3978        case ACodec::kWhatConfigureComponent:
3979        {
3980            onConfigureComponent(msg);
3981            handled = true;
3982            break;
3983        }
3984
3985        case ACodec::kWhatCreateInputSurface:
3986        {
3987            onCreateInputSurface(msg);
3988            handled = true;
3989            break;
3990        }
3991
3992        case ACodec::kWhatStart:
3993        {
3994            onStart();
3995            handled = true;
3996            break;
3997        }
3998
3999        case ACodec::kWhatShutdown:
4000        {
4001            int32_t keepComponentAllocated;
4002            CHECK(msg->findInt32(
4003                        "keepComponentAllocated", &keepComponentAllocated));
4004
4005            onShutdown(keepComponentAllocated);
4006
4007            handled = true;
4008            break;
4009        }
4010
4011        case ACodec::kWhatFlush:
4012        {
4013            sp<AMessage> notify = mCodec->mNotify->dup();
4014            notify->setInt32("what", ACodec::kWhatFlushCompleted);
4015            notify->post();
4016
4017            handled = true;
4018            break;
4019        }
4020
4021        default:
4022            return BaseState::onMessageReceived(msg);
4023    }
4024
4025    return handled;
4026}
4027
4028bool ACodec::LoadedState::onConfigureComponent(
4029        const sp<AMessage> &msg) {
4030    ALOGV("onConfigureComponent");
4031
4032    CHECK(mCodec->mNode != NULL);
4033
4034    AString mime;
4035    CHECK(msg->findString("mime", &mime));
4036
4037    status_t err = mCodec->configureCodec(mime.c_str(), msg);
4038
4039    if (err != OK) {
4040        ALOGE("[%s] configureCodec returning error %d",
4041              mCodec->mComponentName.c_str(), err);
4042
4043        mCodec->signalError(OMX_ErrorUndefined, err);
4044        return false;
4045    }
4046
4047    sp<RefBase> obj;
4048    if (msg->findObject("native-window", &obj)
4049            && strncmp("OMX.google.", mCodec->mComponentName.c_str(), 11)) {
4050        sp<NativeWindowWrapper> nativeWindow(
4051                static_cast<NativeWindowWrapper *>(obj.get()));
4052        CHECK(nativeWindow != NULL);
4053        mCodec->mNativeWindow = nativeWindow->getNativeWindow();
4054
4055        native_window_set_scaling_mode(
4056                mCodec->mNativeWindow.get(),
4057                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
4058    }
4059    CHECK_EQ((status_t)OK, mCodec->initNativeWindow());
4060
4061    {
4062        sp<AMessage> notify = mCodec->mNotify->dup();
4063        notify->setInt32("what", ACodec::kWhatComponentConfigured);
4064        notify->setMessage("input-format", mCodec->mInputFormat);
4065        notify->setMessage("output-format", mCodec->mOutputFormat);
4066        notify->post();
4067    }
4068
4069    return true;
4070}
4071
4072void ACodec::LoadedState::onCreateInputSurface(
4073        const sp<AMessage> & /* msg */) {
4074    ALOGV("onCreateInputSurface");
4075
4076    sp<AMessage> notify = mCodec->mNotify->dup();
4077    notify->setInt32("what", ACodec::kWhatInputSurfaceCreated);
4078
4079    sp<IGraphicBufferProducer> bufferProducer;
4080    status_t err;
4081
4082    err = mCodec->mOMX->createInputSurface(mCodec->mNode, kPortIndexInput,
4083            &bufferProducer);
4084
4085    if (err == OK && mCodec->mRepeatFrameDelayUs > 0ll) {
4086        err = mCodec->mOMX->setInternalOption(
4087                mCodec->mNode,
4088                kPortIndexInput,
4089                IOMX::INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY,
4090                &mCodec->mRepeatFrameDelayUs,
4091                sizeof(mCodec->mRepeatFrameDelayUs));
4092
4093        if (err != OK) {
4094            ALOGE("[%s] Unable to configure option to repeat previous "
4095                  "frames (err %d)",
4096                  mCodec->mComponentName.c_str(),
4097                  err);
4098        }
4099    }
4100
4101    if (err == OK && mCodec->mMaxPtsGapUs > 0ll) {
4102        err = mCodec->mOMX->setInternalOption(
4103                mCodec->mNode,
4104                kPortIndexInput,
4105                IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP,
4106                &mCodec->mMaxPtsGapUs,
4107                sizeof(mCodec->mMaxPtsGapUs));
4108
4109        if (err != OK) {
4110            ALOGE("[%s] Unable to configure max timestamp gap (err %d)",
4111                    mCodec->mComponentName.c_str(),
4112                    err);
4113        }
4114    }
4115
4116    if (err == OK && mCodec->mTimePerCaptureUs > 0ll
4117            && mCodec->mTimePerFrameUs > 0ll) {
4118        int64_t timeLapse[2];
4119        timeLapse[0] = mCodec->mTimePerFrameUs;
4120        timeLapse[1] = mCodec->mTimePerCaptureUs;
4121        err = mCodec->mOMX->setInternalOption(
4122                mCodec->mNode,
4123                kPortIndexInput,
4124                IOMX::INTERNAL_OPTION_TIME_LAPSE,
4125                &timeLapse[0],
4126                sizeof(timeLapse));
4127
4128        if (err != OK) {
4129            ALOGE("[%s] Unable to configure time lapse (err %d)",
4130                    mCodec->mComponentName.c_str(),
4131                    err);
4132        }
4133    }
4134
4135    if (err == OK && mCodec->mCreateInputBuffersSuspended) {
4136        bool suspend = true;
4137        err = mCodec->mOMX->setInternalOption(
4138                mCodec->mNode,
4139                kPortIndexInput,
4140                IOMX::INTERNAL_OPTION_SUSPEND,
4141                &suspend,
4142                sizeof(suspend));
4143
4144        if (err != OK) {
4145            ALOGE("[%s] Unable to configure option to suspend (err %d)",
4146                  mCodec->mComponentName.c_str(),
4147                  err);
4148        }
4149    }
4150
4151    if (err == OK) {
4152        notify->setObject("input-surface",
4153                new BufferProducerWrapper(bufferProducer));
4154    } else {
4155        // Can't use mCodec->signalError() here -- MediaCodec won't forward
4156        // the error through because it's in the "configured" state.  We
4157        // send a kWhatInputSurfaceCreated with an error value instead.
4158        ALOGE("[%s] onCreateInputSurface returning error %d",
4159                mCodec->mComponentName.c_str(), err);
4160        notify->setInt32("err", err);
4161    }
4162    notify->post();
4163}
4164
4165void ACodec::LoadedState::onStart() {
4166    ALOGV("onStart");
4167
4168    CHECK_EQ(mCodec->mOMX->sendCommand(
4169                mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
4170             (status_t)OK);
4171
4172    mCodec->changeState(mCodec->mLoadedToIdleState);
4173}
4174
4175////////////////////////////////////////////////////////////////////////////////
4176
4177ACodec::LoadedToIdleState::LoadedToIdleState(ACodec *codec)
4178    : BaseState(codec) {
4179}
4180
4181void ACodec::LoadedToIdleState::stateEntered() {
4182    ALOGV("[%s] Now Loaded->Idle", mCodec->mComponentName.c_str());
4183
4184    status_t err;
4185    if ((err = allocateBuffers()) != OK) {
4186        ALOGE("Failed to allocate buffers after transitioning to IDLE state "
4187             "(error 0x%08x)",
4188             err);
4189
4190        mCodec->signalError(OMX_ErrorUndefined, err);
4191
4192        mCodec->changeState(mCodec->mLoadedState);
4193    }
4194}
4195
4196status_t ACodec::LoadedToIdleState::allocateBuffers() {
4197    status_t err = mCodec->allocateBuffersOnPort(kPortIndexInput);
4198
4199    if (err != OK) {
4200        return err;
4201    }
4202
4203    return mCodec->allocateBuffersOnPort(kPortIndexOutput);
4204}
4205
4206bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
4207    switch (msg->what()) {
4208        case kWhatSetParameters:
4209        case kWhatShutdown:
4210        {
4211            mCodec->deferMessage(msg);
4212            return true;
4213        }
4214
4215        case kWhatSignalEndOfInputStream:
4216        {
4217            mCodec->onSignalEndOfInputStream();
4218            return true;
4219        }
4220
4221        case kWhatResume:
4222        {
4223            // We'll be active soon enough.
4224            return true;
4225        }
4226
4227        case kWhatFlush:
4228        {
4229            // We haven't even started yet, so we're flushed alright...
4230            sp<AMessage> notify = mCodec->mNotify->dup();
4231            notify->setInt32("what", ACodec::kWhatFlushCompleted);
4232            notify->post();
4233            return true;
4234        }
4235
4236        default:
4237            return BaseState::onMessageReceived(msg);
4238    }
4239}
4240
4241bool ACodec::LoadedToIdleState::onOMXEvent(
4242        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4243    switch (event) {
4244        case OMX_EventCmdComplete:
4245        {
4246            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4247            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
4248
4249            CHECK_EQ(mCodec->mOMX->sendCommand(
4250                        mCodec->mNode, OMX_CommandStateSet, OMX_StateExecuting),
4251                     (status_t)OK);
4252
4253            mCodec->changeState(mCodec->mIdleToExecutingState);
4254
4255            return true;
4256        }
4257
4258        default:
4259            return BaseState::onOMXEvent(event, data1, data2);
4260    }
4261}
4262
4263////////////////////////////////////////////////////////////////////////////////
4264
4265ACodec::IdleToExecutingState::IdleToExecutingState(ACodec *codec)
4266    : BaseState(codec) {
4267}
4268
4269void ACodec::IdleToExecutingState::stateEntered() {
4270    ALOGV("[%s] Now Idle->Executing", mCodec->mComponentName.c_str());
4271}
4272
4273bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
4274    switch (msg->what()) {
4275        case kWhatSetParameters:
4276        case kWhatShutdown:
4277        {
4278            mCodec->deferMessage(msg);
4279            return true;
4280        }
4281
4282        case kWhatResume:
4283        {
4284            // We'll be active soon enough.
4285            return true;
4286        }
4287
4288        case kWhatFlush:
4289        {
4290            // We haven't even started yet, so we're flushed alright...
4291            sp<AMessage> notify = mCodec->mNotify->dup();
4292            notify->setInt32("what", ACodec::kWhatFlushCompleted);
4293            notify->post();
4294
4295            return true;
4296        }
4297
4298        case kWhatSignalEndOfInputStream:
4299        {
4300            mCodec->onSignalEndOfInputStream();
4301            return true;
4302        }
4303
4304        default:
4305            return BaseState::onMessageReceived(msg);
4306    }
4307}
4308
4309bool ACodec::IdleToExecutingState::onOMXEvent(
4310        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4311    switch (event) {
4312        case OMX_EventCmdComplete:
4313        {
4314            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4315            CHECK_EQ(data2, (OMX_U32)OMX_StateExecuting);
4316
4317            mCodec->mExecutingState->resume();
4318            mCodec->changeState(mCodec->mExecutingState);
4319
4320            return true;
4321        }
4322
4323        default:
4324            return BaseState::onOMXEvent(event, data1, data2);
4325    }
4326}
4327
4328////////////////////////////////////////////////////////////////////////////////
4329
4330ACodec::ExecutingState::ExecutingState(ACodec *codec)
4331    : BaseState(codec),
4332      mActive(false) {
4333}
4334
4335ACodec::BaseState::PortMode ACodec::ExecutingState::getPortMode(
4336        OMX_U32 /* portIndex */) {
4337    return RESUBMIT_BUFFERS;
4338}
4339
4340void ACodec::ExecutingState::submitOutputMetaBuffers() {
4341    // submit as many buffers as there are input buffers with the codec
4342    // in case we are in port reconfiguring
4343    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
4344        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
4345
4346        if (info->mStatus == BufferInfo::OWNED_BY_COMPONENT) {
4347            if (mCodec->submitOutputMetaDataBuffer() != OK)
4348                break;
4349        }
4350    }
4351
4352    // *** NOTE: THE FOLLOWING WORKAROUND WILL BE REMOVED ***
4353    mCodec->signalSubmitOutputMetaDataBufferIfEOS_workaround();
4354}
4355
4356void ACodec::ExecutingState::submitRegularOutputBuffers() {
4357    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexOutput].size(); ++i) {
4358        BufferInfo *info = &mCodec->mBuffers[kPortIndexOutput].editItemAt(i);
4359
4360        if (mCodec->mNativeWindow != NULL) {
4361            CHECK(info->mStatus == BufferInfo::OWNED_BY_US
4362                    || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
4363
4364            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
4365                continue;
4366            }
4367        } else {
4368            CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
4369        }
4370
4371        ALOGV("[%s] calling fillBuffer %p",
4372             mCodec->mComponentName.c_str(), info->mBufferID);
4373
4374        CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
4375                 (status_t)OK);
4376
4377        info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
4378    }
4379}
4380
4381void ACodec::ExecutingState::submitOutputBuffers() {
4382    submitRegularOutputBuffers();
4383    if (mCodec->mStoreMetaDataInOutputBuffers) {
4384        submitOutputMetaBuffers();
4385    }
4386}
4387
4388void ACodec::ExecutingState::resume() {
4389    if (mActive) {
4390        ALOGV("[%s] We're already active, no need to resume.",
4391             mCodec->mComponentName.c_str());
4392
4393        return;
4394    }
4395
4396    submitOutputBuffers();
4397
4398    // Post the first input buffer.
4399    CHECK_GT(mCodec->mBuffers[kPortIndexInput].size(), 0u);
4400    BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(0);
4401
4402    postFillThisBuffer(info);
4403
4404    mActive = true;
4405}
4406
4407void ACodec::ExecutingState::stateEntered() {
4408    ALOGV("[%s] Now Executing", mCodec->mComponentName.c_str());
4409
4410    mCodec->processDeferredMessages();
4411}
4412
4413bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
4414    bool handled = false;
4415
4416    switch (msg->what()) {
4417        case kWhatShutdown:
4418        {
4419            int32_t keepComponentAllocated;
4420            CHECK(msg->findInt32(
4421                        "keepComponentAllocated", &keepComponentAllocated));
4422
4423            mCodec->mShutdownInProgress = true;
4424            mCodec->mKeepComponentAllocated = keepComponentAllocated;
4425
4426            mActive = false;
4427
4428            CHECK_EQ(mCodec->mOMX->sendCommand(
4429                        mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
4430                     (status_t)OK);
4431
4432            mCodec->changeState(mCodec->mExecutingToIdleState);
4433
4434            handled = true;
4435            break;
4436        }
4437
4438        case kWhatFlush:
4439        {
4440            ALOGV("[%s] ExecutingState flushing now "
4441                 "(codec owns %d/%d input, %d/%d output).",
4442                    mCodec->mComponentName.c_str(),
4443                    mCodec->countBuffersOwnedByComponent(kPortIndexInput),
4444                    mCodec->mBuffers[kPortIndexInput].size(),
4445                    mCodec->countBuffersOwnedByComponent(kPortIndexOutput),
4446                    mCodec->mBuffers[kPortIndexOutput].size());
4447
4448            mActive = false;
4449
4450            CHECK_EQ(mCodec->mOMX->sendCommand(
4451                        mCodec->mNode, OMX_CommandFlush, OMX_ALL),
4452                     (status_t)OK);
4453
4454            mCodec->changeState(mCodec->mFlushingState);
4455            handled = true;
4456            break;
4457        }
4458
4459        case kWhatResume:
4460        {
4461            resume();
4462
4463            handled = true;
4464            break;
4465        }
4466
4467        case kWhatRequestIDRFrame:
4468        {
4469            status_t err = mCodec->requestIDRFrame();
4470            if (err != OK) {
4471                ALOGW("Requesting an IDR frame failed.");
4472            }
4473
4474            handled = true;
4475            break;
4476        }
4477
4478        case kWhatSetParameters:
4479        {
4480            sp<AMessage> params;
4481            CHECK(msg->findMessage("params", &params));
4482
4483            status_t err = mCodec->setParameters(params);
4484
4485            sp<AMessage> reply;
4486            if (msg->findMessage("reply", &reply)) {
4487                reply->setInt32("err", err);
4488                reply->post();
4489            }
4490
4491            handled = true;
4492            break;
4493        }
4494
4495        case ACodec::kWhatSignalEndOfInputStream:
4496        {
4497            mCodec->onSignalEndOfInputStream();
4498            handled = true;
4499            break;
4500        }
4501
4502        // *** NOTE: THE FOLLOWING WORKAROUND WILL BE REMOVED ***
4503        case kWhatSubmitOutputMetaDataBufferIfEOS:
4504        {
4505            if (mCodec->mPortEOS[kPortIndexInput] &&
4506                    !mCodec->mPortEOS[kPortIndexOutput]) {
4507                status_t err = mCodec->submitOutputMetaDataBuffer();
4508                if (err == OK) {
4509                    mCodec->signalSubmitOutputMetaDataBufferIfEOS_workaround();
4510                }
4511            }
4512            return true;
4513        }
4514
4515        default:
4516            handled = BaseState::onMessageReceived(msg);
4517            break;
4518    }
4519
4520    return handled;
4521}
4522
4523status_t ACodec::setParameters(const sp<AMessage> &params) {
4524    int32_t videoBitrate;
4525    if (params->findInt32("video-bitrate", &videoBitrate)) {
4526        OMX_VIDEO_CONFIG_BITRATETYPE configParams;
4527        InitOMXParams(&configParams);
4528        configParams.nPortIndex = kPortIndexOutput;
4529        configParams.nEncodeBitrate = videoBitrate;
4530
4531        status_t err = mOMX->setConfig(
4532                mNode,
4533                OMX_IndexConfigVideoBitrate,
4534                &configParams,
4535                sizeof(configParams));
4536
4537        if (err != OK) {
4538            ALOGE("setConfig(OMX_IndexConfigVideoBitrate, %d) failed w/ err %d",
4539                   videoBitrate, err);
4540
4541            return err;
4542        }
4543    }
4544
4545    int64_t skipFramesBeforeUs;
4546    if (params->findInt64("skip-frames-before", &skipFramesBeforeUs)) {
4547        status_t err =
4548            mOMX->setInternalOption(
4549                     mNode,
4550                     kPortIndexInput,
4551                     IOMX::INTERNAL_OPTION_START_TIME,
4552                     &skipFramesBeforeUs,
4553                     sizeof(skipFramesBeforeUs));
4554
4555        if (err != OK) {
4556            ALOGE("Failed to set parameter 'skip-frames-before' (err %d)", err);
4557            return err;
4558        }
4559    }
4560
4561    int32_t dropInputFrames;
4562    if (params->findInt32("drop-input-frames", &dropInputFrames)) {
4563        bool suspend = dropInputFrames != 0;
4564
4565        status_t err =
4566            mOMX->setInternalOption(
4567                     mNode,
4568                     kPortIndexInput,
4569                     IOMX::INTERNAL_OPTION_SUSPEND,
4570                     &suspend,
4571                     sizeof(suspend));
4572
4573        if (err != OK) {
4574            ALOGE("Failed to set parameter 'drop-input-frames' (err %d)", err);
4575            return err;
4576        }
4577    }
4578
4579    int32_t dummy;
4580    if (params->findInt32("request-sync", &dummy)) {
4581        status_t err = requestIDRFrame();
4582
4583        if (err != OK) {
4584            ALOGE("Requesting a sync frame failed w/ err %d", err);
4585            return err;
4586        }
4587    }
4588
4589    return OK;
4590}
4591
4592void ACodec::onSignalEndOfInputStream() {
4593    sp<AMessage> notify = mNotify->dup();
4594    notify->setInt32("what", ACodec::kWhatSignaledInputEOS);
4595
4596    status_t err = mOMX->signalEndOfInputStream(mNode);
4597    if (err != OK) {
4598        notify->setInt32("err", err);
4599    }
4600    notify->post();
4601}
4602
4603bool ACodec::ExecutingState::onOMXEvent(
4604        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4605    switch (event) {
4606        case OMX_EventPortSettingsChanged:
4607        {
4608            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
4609
4610            if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
4611                mCodec->mMetaDataBuffersToSubmit = 0;
4612                CHECK_EQ(mCodec->mOMX->sendCommand(
4613                            mCodec->mNode,
4614                            OMX_CommandPortDisable, kPortIndexOutput),
4615                         (status_t)OK);
4616
4617                mCodec->freeOutputBuffersNotOwnedByComponent();
4618
4619                mCodec->changeState(mCodec->mOutputPortSettingsChangedState);
4620            } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
4621                mCodec->mSentFormat = false;
4622            } else {
4623                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
4624                     mCodec->mComponentName.c_str(), data2);
4625            }
4626
4627            return true;
4628        }
4629
4630        case OMX_EventBufferFlag:
4631        {
4632            return true;
4633        }
4634
4635        default:
4636            return BaseState::onOMXEvent(event, data1, data2);
4637    }
4638}
4639
4640////////////////////////////////////////////////////////////////////////////////
4641
4642ACodec::OutputPortSettingsChangedState::OutputPortSettingsChangedState(
4643        ACodec *codec)
4644    : BaseState(codec) {
4645}
4646
4647ACodec::BaseState::PortMode ACodec::OutputPortSettingsChangedState::getPortMode(
4648        OMX_U32 portIndex) {
4649    if (portIndex == kPortIndexOutput) {
4650        return FREE_BUFFERS;
4651    }
4652
4653    CHECK_EQ(portIndex, (OMX_U32)kPortIndexInput);
4654
4655    return RESUBMIT_BUFFERS;
4656}
4657
4658bool ACodec::OutputPortSettingsChangedState::onMessageReceived(
4659        const sp<AMessage> &msg) {
4660    bool handled = false;
4661
4662    switch (msg->what()) {
4663        case kWhatFlush:
4664        case kWhatShutdown:
4665        case kWhatResume:
4666        {
4667            if (msg->what() == kWhatResume) {
4668                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
4669            }
4670
4671            mCodec->deferMessage(msg);
4672            handled = true;
4673            break;
4674        }
4675
4676        default:
4677            handled = BaseState::onMessageReceived(msg);
4678            break;
4679    }
4680
4681    return handled;
4682}
4683
4684void ACodec::OutputPortSettingsChangedState::stateEntered() {
4685    ALOGV("[%s] Now handling output port settings change",
4686         mCodec->mComponentName.c_str());
4687}
4688
4689bool ACodec::OutputPortSettingsChangedState::onOMXEvent(
4690        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4691    switch (event) {
4692        case OMX_EventCmdComplete:
4693        {
4694            if (data1 == (OMX_U32)OMX_CommandPortDisable) {
4695                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
4696
4697                ALOGV("[%s] Output port now disabled.",
4698                        mCodec->mComponentName.c_str());
4699
4700                CHECK(mCodec->mBuffers[kPortIndexOutput].isEmpty());
4701                mCodec->mDealer[kPortIndexOutput].clear();
4702
4703                CHECK_EQ(mCodec->mOMX->sendCommand(
4704                            mCodec->mNode, OMX_CommandPortEnable, kPortIndexOutput),
4705                         (status_t)OK);
4706
4707                status_t err;
4708                if ((err = mCodec->allocateBuffersOnPort(
4709                                kPortIndexOutput)) != OK) {
4710                    ALOGE("Failed to allocate output port buffers after "
4711                         "port reconfiguration (error 0x%08x)",
4712                         err);
4713
4714                    mCodec->signalError(OMX_ErrorUndefined, err);
4715
4716                    // This is technically not correct, but appears to be
4717                    // the only way to free the component instance.
4718                    // Controlled transitioning from excecuting->idle
4719                    // and idle->loaded seem impossible probably because
4720                    // the output port never finishes re-enabling.
4721                    mCodec->mShutdownInProgress = true;
4722                    mCodec->mKeepComponentAllocated = false;
4723                    mCodec->changeState(mCodec->mLoadedState);
4724                }
4725
4726                return true;
4727            } else if (data1 == (OMX_U32)OMX_CommandPortEnable) {
4728                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
4729
4730                mCodec->mSentFormat = false;
4731
4732                ALOGV("[%s] Output port now reenabled.",
4733                        mCodec->mComponentName.c_str());
4734
4735                if (mCodec->mExecutingState->active()) {
4736                    mCodec->mExecutingState->submitOutputBuffers();
4737                }
4738
4739                mCodec->changeState(mCodec->mExecutingState);
4740
4741                return true;
4742            }
4743
4744            return false;
4745        }
4746
4747        default:
4748            return false;
4749    }
4750}
4751
4752////////////////////////////////////////////////////////////////////////////////
4753
4754ACodec::ExecutingToIdleState::ExecutingToIdleState(ACodec *codec)
4755    : BaseState(codec),
4756      mComponentNowIdle(false) {
4757}
4758
4759bool ACodec::ExecutingToIdleState::onMessageReceived(const sp<AMessage> &msg) {
4760    bool handled = false;
4761
4762    switch (msg->what()) {
4763        case kWhatFlush:
4764        {
4765            // Don't send me a flush request if you previously wanted me
4766            // to shutdown.
4767            TRESPASS();
4768            break;
4769        }
4770
4771        case kWhatShutdown:
4772        {
4773            // We're already doing that...
4774
4775            handled = true;
4776            break;
4777        }
4778
4779        default:
4780            handled = BaseState::onMessageReceived(msg);
4781            break;
4782    }
4783
4784    return handled;
4785}
4786
4787void ACodec::ExecutingToIdleState::stateEntered() {
4788    ALOGV("[%s] Now Executing->Idle", mCodec->mComponentName.c_str());
4789
4790    mComponentNowIdle = false;
4791    mCodec->mSentFormat = false;
4792}
4793
4794bool ACodec::ExecutingToIdleState::onOMXEvent(
4795        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4796    switch (event) {
4797        case OMX_EventCmdComplete:
4798        {
4799            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4800            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
4801
4802            mComponentNowIdle = true;
4803
4804            changeStateIfWeOwnAllBuffers();
4805
4806            return true;
4807        }
4808
4809        case OMX_EventPortSettingsChanged:
4810        case OMX_EventBufferFlag:
4811        {
4812            // We're shutting down and don't care about this anymore.
4813            return true;
4814        }
4815
4816        default:
4817            return BaseState::onOMXEvent(event, data1, data2);
4818    }
4819}
4820
4821void ACodec::ExecutingToIdleState::changeStateIfWeOwnAllBuffers() {
4822    if (mComponentNowIdle && mCodec->allYourBuffersAreBelongToUs()) {
4823        CHECK_EQ(mCodec->mOMX->sendCommand(
4824                    mCodec->mNode, OMX_CommandStateSet, OMX_StateLoaded),
4825                 (status_t)OK);
4826
4827        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexInput), (status_t)OK);
4828        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexOutput), (status_t)OK);
4829
4830        if ((mCodec->mFlags & kFlagPushBlankBuffersToNativeWindowOnShutdown)
4831                && mCodec->mNativeWindow != NULL) {
4832            // We push enough 1x1 blank buffers to ensure that one of
4833            // them has made it to the display.  This allows the OMX
4834            // component teardown to zero out any protected buffers
4835            // without the risk of scanning out one of those buffers.
4836            mCodec->pushBlankBuffersToNativeWindow();
4837        }
4838
4839        mCodec->changeState(mCodec->mIdleToLoadedState);
4840    }
4841}
4842
4843void ACodec::ExecutingToIdleState::onInputBufferFilled(
4844        const sp<AMessage> &msg) {
4845    BaseState::onInputBufferFilled(msg);
4846
4847    changeStateIfWeOwnAllBuffers();
4848}
4849
4850void ACodec::ExecutingToIdleState::onOutputBufferDrained(
4851        const sp<AMessage> &msg) {
4852    BaseState::onOutputBufferDrained(msg);
4853
4854    changeStateIfWeOwnAllBuffers();
4855}
4856
4857////////////////////////////////////////////////////////////////////////////////
4858
4859ACodec::IdleToLoadedState::IdleToLoadedState(ACodec *codec)
4860    : BaseState(codec) {
4861}
4862
4863bool ACodec::IdleToLoadedState::onMessageReceived(const sp<AMessage> &msg) {
4864    bool handled = false;
4865
4866    switch (msg->what()) {
4867        case kWhatShutdown:
4868        {
4869            // We're already doing that...
4870
4871            handled = true;
4872            break;
4873        }
4874
4875        case kWhatFlush:
4876        {
4877            // Don't send me a flush request if you previously wanted me
4878            // to shutdown.
4879            TRESPASS();
4880            break;
4881        }
4882
4883        default:
4884            handled = BaseState::onMessageReceived(msg);
4885            break;
4886    }
4887
4888    return handled;
4889}
4890
4891void ACodec::IdleToLoadedState::stateEntered() {
4892    ALOGV("[%s] Now Idle->Loaded", mCodec->mComponentName.c_str());
4893}
4894
4895bool ACodec::IdleToLoadedState::onOMXEvent(
4896        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4897    switch (event) {
4898        case OMX_EventCmdComplete:
4899        {
4900            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4901            CHECK_EQ(data2, (OMX_U32)OMX_StateLoaded);
4902
4903            mCodec->changeState(mCodec->mLoadedState);
4904
4905            return true;
4906        }
4907
4908        default:
4909            return BaseState::onOMXEvent(event, data1, data2);
4910    }
4911}
4912
4913////////////////////////////////////////////////////////////////////////////////
4914
4915ACodec::FlushingState::FlushingState(ACodec *codec)
4916    : BaseState(codec) {
4917}
4918
4919void ACodec::FlushingState::stateEntered() {
4920    ALOGV("[%s] Now Flushing", mCodec->mComponentName.c_str());
4921
4922    mFlushComplete[kPortIndexInput] = mFlushComplete[kPortIndexOutput] = false;
4923}
4924
4925bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
4926    bool handled = false;
4927
4928    switch (msg->what()) {
4929        case kWhatShutdown:
4930        {
4931            mCodec->deferMessage(msg);
4932            break;
4933        }
4934
4935        case kWhatFlush:
4936        {
4937            // We're already doing this right now.
4938            handled = true;
4939            break;
4940        }
4941
4942        default:
4943            handled = BaseState::onMessageReceived(msg);
4944            break;
4945    }
4946
4947    return handled;
4948}
4949
4950bool ACodec::FlushingState::onOMXEvent(
4951        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4952    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
4953            mCodec->mComponentName.c_str(), event, data1);
4954
4955    switch (event) {
4956        case OMX_EventCmdComplete:
4957        {
4958            CHECK_EQ(data1, (OMX_U32)OMX_CommandFlush);
4959
4960            if (data2 == kPortIndexInput || data2 == kPortIndexOutput) {
4961                CHECK(!mFlushComplete[data2]);
4962                mFlushComplete[data2] = true;
4963
4964                if (mFlushComplete[kPortIndexInput]
4965                        && mFlushComplete[kPortIndexOutput]) {
4966                    changeStateIfWeOwnAllBuffers();
4967                }
4968            } else {
4969                CHECK_EQ(data2, OMX_ALL);
4970                CHECK(mFlushComplete[kPortIndexInput]);
4971                CHECK(mFlushComplete[kPortIndexOutput]);
4972
4973                changeStateIfWeOwnAllBuffers();
4974            }
4975
4976            return true;
4977        }
4978
4979        case OMX_EventPortSettingsChanged:
4980        {
4981            sp<AMessage> msg = new AMessage(kWhatOMXMessage, mCodec->id());
4982            msg->setInt32("type", omx_message::EVENT);
4983            msg->setPointer("node", mCodec->mNode);
4984            msg->setInt32("event", event);
4985            msg->setInt32("data1", data1);
4986            msg->setInt32("data2", data2);
4987
4988            ALOGV("[%s] Deferring OMX_EventPortSettingsChanged",
4989                 mCodec->mComponentName.c_str());
4990
4991            mCodec->deferMessage(msg);
4992
4993            return true;
4994        }
4995
4996        default:
4997            return BaseState::onOMXEvent(event, data1, data2);
4998    }
4999
5000    return true;
5001}
5002
5003void ACodec::FlushingState::onOutputBufferDrained(const sp<AMessage> &msg) {
5004    BaseState::onOutputBufferDrained(msg);
5005
5006    changeStateIfWeOwnAllBuffers();
5007}
5008
5009void ACodec::FlushingState::onInputBufferFilled(const sp<AMessage> &msg) {
5010    BaseState::onInputBufferFilled(msg);
5011
5012    changeStateIfWeOwnAllBuffers();
5013}
5014
5015void ACodec::FlushingState::changeStateIfWeOwnAllBuffers() {
5016    if (mFlushComplete[kPortIndexInput]
5017            && mFlushComplete[kPortIndexOutput]
5018            && mCodec->allYourBuffersAreBelongToUs()) {
5019        // We now own all buffers except possibly those still queued with
5020        // the native window for rendering. Let's get those back as well.
5021        mCodec->waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs();
5022
5023        sp<AMessage> notify = mCodec->mNotify->dup();
5024        notify->setInt32("what", ACodec::kWhatFlushCompleted);
5025        notify->post();
5026
5027        mCodec->mPortEOS[kPortIndexInput] =
5028            mCodec->mPortEOS[kPortIndexOutput] = false;
5029
5030        mCodec->mInputEOSResult = OK;
5031
5032        if (mCodec->mSkipCutBuffer != NULL) {
5033            mCodec->mSkipCutBuffer->clear();
5034        }
5035
5036        mCodec->changeState(mCodec->mExecutingState);
5037    }
5038}
5039
5040}  // namespace android
5041