ACodec.cpp revision 755b9861197f1566f916785ba7d35cf86fd5b2d5 
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/MediaCodecList.h>
30#include <media/stagefright/MediaDefs.h>
31#include <media/stagefright/NativeWindowWrapper.h>
32#include <media/stagefright/OMXClient.h>
33#include <media/stagefright/OMXCodec.h>
34
35#include <OMX_Component.h>
36
37namespace android {
38
39template<class T>
40static void InitOMXParams(T *params) {
41    params->nSize = sizeof(T);
42    params->nVersion.s.nVersionMajor = 1;
43    params->nVersion.s.nVersionMinor = 0;
44    params->nVersion.s.nRevision = 0;
45    params->nVersion.s.nStep = 0;
46}
47
48struct CodecObserver : public BnOMXObserver {
49    CodecObserver() {}
50
51    void setNotificationMessage(const sp<AMessage> &msg) {
52        mNotify = msg;
53    }
54
55    // from IOMXObserver
56    virtual void onMessage(const omx_message &omx_msg) {
57        sp<AMessage> msg = mNotify->dup();
58
59        msg->setInt32("type", omx_msg.type);
60        msg->setPointer("node", omx_msg.node);
61
62        switch (omx_msg.type) {
63            case omx_message::EVENT:
64            {
65                msg->setInt32("event", omx_msg.u.event_data.event);
66                msg->setInt32("data1", omx_msg.u.event_data.data1);
67                msg->setInt32("data2", omx_msg.u.event_data.data2);
68                break;
69            }
70
71            case omx_message::EMPTY_BUFFER_DONE:
72            {
73                msg->setPointer("buffer", omx_msg.u.buffer_data.buffer);
74                break;
75            }
76
77            case omx_message::FILL_BUFFER_DONE:
78            {
79                msg->setPointer(
80                        "buffer", omx_msg.u.extended_buffer_data.buffer);
81                msg->setInt32(
82                        "range_offset",
83                        omx_msg.u.extended_buffer_data.range_offset);
84                msg->setInt32(
85                        "range_length",
86                        omx_msg.u.extended_buffer_data.range_length);
87                msg->setInt32(
88                        "flags",
89                        omx_msg.u.extended_buffer_data.flags);
90                msg->setInt64(
91                        "timestamp",
92                        omx_msg.u.extended_buffer_data.timestamp);
93                msg->setPointer(
94                        "platform_private",
95                        omx_msg.u.extended_buffer_data.platform_private);
96                msg->setPointer(
97                        "data_ptr",
98                        omx_msg.u.extended_buffer_data.data_ptr);
99                break;
100            }
101
102            default:
103                TRESPASS();
104                break;
105        }
106
107        msg->post();
108    }
109
110protected:
111    virtual ~CodecObserver() {}
112
113private:
114    sp<AMessage> mNotify;
115
116    DISALLOW_EVIL_CONSTRUCTORS(CodecObserver);
117};
118
119////////////////////////////////////////////////////////////////////////////////
120
121struct ACodec::BaseState : public AState {
122    BaseState(ACodec *codec, const sp<AState> &parentState = NULL);
123
124protected:
125    enum PortMode {
126        KEEP_BUFFERS,
127        RESUBMIT_BUFFERS,
128        FREE_BUFFERS,
129    };
130
131    ACodec *mCodec;
132
133    virtual PortMode getPortMode(OMX_U32 portIndex);
134
135    virtual bool onMessageReceived(const sp<AMessage> &msg);
136
137    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
138
139    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
140    virtual void onInputBufferFilled(const sp<AMessage> &msg);
141
142    void postFillThisBuffer(BufferInfo *info);
143
144private:
145    bool onOMXMessage(const sp<AMessage> &msg);
146
147    bool onOMXEmptyBufferDone(IOMX::buffer_id bufferID);
148
149    bool onOMXFillBufferDone(
150            IOMX::buffer_id bufferID,
151            size_t rangeOffset, size_t rangeLength,
152            OMX_U32 flags,
153            int64_t timeUs,
154            void *platformPrivate,
155            void *dataPtr);
156
157    void getMoreInputDataIfPossible();
158
159    DISALLOW_EVIL_CONSTRUCTORS(BaseState);
160};
161
162////////////////////////////////////////////////////////////////////////////////
163
164struct ACodec::UninitializedState : public ACodec::BaseState {
165    UninitializedState(ACodec *codec);
166
167protected:
168    virtual bool onMessageReceived(const sp<AMessage> &msg);
169    virtual void stateEntered();
170
171private:
172    void onSetup(const sp<AMessage> &msg);
173    bool onAllocateComponent(const sp<AMessage> &msg);
174
175    DISALLOW_EVIL_CONSTRUCTORS(UninitializedState);
176};
177
178////////////////////////////////////////////////////////////////////////////////
179
180struct ACodec::LoadedState : public ACodec::BaseState {
181    LoadedState(ACodec *codec);
182
183protected:
184    virtual bool onMessageReceived(const sp<AMessage> &msg);
185    virtual void stateEntered();
186
187private:
188    friend struct ACodec::UninitializedState;
189
190    bool onConfigureComponent(const sp<AMessage> &msg);
191    void onStart();
192    void onShutdown(bool keepComponentAllocated);
193
194    DISALLOW_EVIL_CONSTRUCTORS(LoadedState);
195};
196
197////////////////////////////////////////////////////////////////////////////////
198
199struct ACodec::LoadedToIdleState : public ACodec::BaseState {
200    LoadedToIdleState(ACodec *codec);
201
202protected:
203    virtual bool onMessageReceived(const sp<AMessage> &msg);
204    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
205    virtual void stateEntered();
206
207private:
208    status_t allocateBuffers();
209
210    DISALLOW_EVIL_CONSTRUCTORS(LoadedToIdleState);
211};
212
213////////////////////////////////////////////////////////////////////////////////
214
215struct ACodec::IdleToExecutingState : public ACodec::BaseState {
216    IdleToExecutingState(ACodec *codec);
217
218protected:
219    virtual bool onMessageReceived(const sp<AMessage> &msg);
220    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
221    virtual void stateEntered();
222
223private:
224    DISALLOW_EVIL_CONSTRUCTORS(IdleToExecutingState);
225};
226
227////////////////////////////////////////////////////////////////////////////////
228
229struct ACodec::ExecutingState : public ACodec::BaseState {
230    ExecutingState(ACodec *codec);
231
232    void submitOutputBuffers();
233
234    // Submit output buffers to the decoder, submit input buffers to client
235    // to fill with data.
236    void resume();
237
238    // Returns true iff input and output buffers are in play.
239    bool active() const { return mActive; }
240
241protected:
242    virtual PortMode getPortMode(OMX_U32 portIndex);
243    virtual bool onMessageReceived(const sp<AMessage> &msg);
244    virtual void stateEntered();
245
246    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
247
248private:
249    bool mActive;
250
251    DISALLOW_EVIL_CONSTRUCTORS(ExecutingState);
252};
253
254////////////////////////////////////////////////////////////////////////////////
255
256struct ACodec::OutputPortSettingsChangedState : public ACodec::BaseState {
257    OutputPortSettingsChangedState(ACodec *codec);
258
259protected:
260    virtual PortMode getPortMode(OMX_U32 portIndex);
261    virtual bool onMessageReceived(const sp<AMessage> &msg);
262    virtual void stateEntered();
263
264    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
265
266private:
267    DISALLOW_EVIL_CONSTRUCTORS(OutputPortSettingsChangedState);
268};
269
270////////////////////////////////////////////////////////////////////////////////
271
272struct ACodec::ExecutingToIdleState : public ACodec::BaseState {
273    ExecutingToIdleState(ACodec *codec);
274
275protected:
276    virtual bool onMessageReceived(const sp<AMessage> &msg);
277    virtual void stateEntered();
278
279    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
280
281    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
282    virtual void onInputBufferFilled(const sp<AMessage> &msg);
283
284private:
285    void changeStateIfWeOwnAllBuffers();
286
287    bool mComponentNowIdle;
288
289    DISALLOW_EVIL_CONSTRUCTORS(ExecutingToIdleState);
290};
291
292////////////////////////////////////////////////////////////////////////////////
293
294struct ACodec::IdleToLoadedState : public ACodec::BaseState {
295    IdleToLoadedState(ACodec *codec);
296
297protected:
298    virtual bool onMessageReceived(const sp<AMessage> &msg);
299    virtual void stateEntered();
300
301    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
302
303private:
304    DISALLOW_EVIL_CONSTRUCTORS(IdleToLoadedState);
305};
306
307////////////////////////////////////////////////////////////////////////////////
308
309struct ACodec::FlushingState : public ACodec::BaseState {
310    FlushingState(ACodec *codec);
311
312protected:
313    virtual bool onMessageReceived(const sp<AMessage> &msg);
314    virtual void stateEntered();
315
316    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
317
318    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
319    virtual void onInputBufferFilled(const sp<AMessage> &msg);
320
321private:
322    bool mFlushComplete[2];
323
324    void changeStateIfWeOwnAllBuffers();
325
326    DISALLOW_EVIL_CONSTRUCTORS(FlushingState);
327};
328
329////////////////////////////////////////////////////////////////////////////////
330
331ACodec::ACodec()
332    : mQuirks(0),
333      mNode(NULL),
334      mSentFormat(false),
335      mIsEncoder(false),
336      mShutdownInProgress(false),
337      mEncoderDelay(0),
338      mEncoderPadding(0),
339      mChannelMaskPresent(false),
340      mChannelMask(0) {
341    mUninitializedState = new UninitializedState(this);
342    mLoadedState = new LoadedState(this);
343    mLoadedToIdleState = new LoadedToIdleState(this);
344    mIdleToExecutingState = new IdleToExecutingState(this);
345    mExecutingState = new ExecutingState(this);
346
347    mOutputPortSettingsChangedState =
348        new OutputPortSettingsChangedState(this);
349
350    mExecutingToIdleState = new ExecutingToIdleState(this);
351    mIdleToLoadedState = new IdleToLoadedState(this);
352    mFlushingState = new FlushingState(this);
353
354    mPortEOS[kPortIndexInput] = mPortEOS[kPortIndexOutput] = false;
355    mInputEOSResult = OK;
356
357    changeState(mUninitializedState);
358}
359
360ACodec::~ACodec() {
361}
362
363void ACodec::setNotificationMessage(const sp<AMessage> &msg) {
364    mNotify = msg;
365}
366
367void ACodec::initiateSetup(const sp<AMessage> &msg) {
368    msg->setWhat(kWhatSetup);
369    msg->setTarget(id());
370    msg->post();
371}
372
373void ACodec::initiateAllocateComponent(const sp<AMessage> &msg) {
374    msg->setWhat(kWhatAllocateComponent);
375    msg->setTarget(id());
376    msg->post();
377}
378
379void ACodec::initiateConfigureComponent(const sp<AMessage> &msg) {
380    msg->setWhat(kWhatConfigureComponent);
381    msg->setTarget(id());
382    msg->post();
383}
384
385void ACodec::initiateStart() {
386    (new AMessage(kWhatStart, id()))->post();
387}
388
389void ACodec::signalFlush() {
390    ALOGV("[%s] signalFlush", mComponentName.c_str());
391    (new AMessage(kWhatFlush, id()))->post();
392}
393
394void ACodec::signalResume() {
395    (new AMessage(kWhatResume, id()))->post();
396}
397
398void ACodec::initiateShutdown(bool keepComponentAllocated) {
399    sp<AMessage> msg = new AMessage(kWhatShutdown, id());
400    msg->setInt32("keepComponentAllocated", keepComponentAllocated);
401    msg->post();
402}
403
404status_t ACodec::allocateBuffersOnPort(OMX_U32 portIndex) {
405    CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput);
406
407    CHECK(mDealer[portIndex] == NULL);
408    CHECK(mBuffers[portIndex].isEmpty());
409
410    status_t err;
411    if (mNativeWindow != NULL && portIndex == kPortIndexOutput) {
412        err = allocateOutputBuffersFromNativeWindow();
413    } else {
414        OMX_PARAM_PORTDEFINITIONTYPE def;
415        InitOMXParams(&def);
416        def.nPortIndex = portIndex;
417
418        err = mOMX->getParameter(
419                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
420
421        if (err == OK) {
422            ALOGV("[%s] Allocating %lu buffers of size %lu on %s port",
423                    mComponentName.c_str(),
424                    def.nBufferCountActual, def.nBufferSize,
425                    portIndex == kPortIndexInput ? "input" : "output");
426
427            size_t totalSize = def.nBufferCountActual * def.nBufferSize;
428            mDealer[portIndex] = new MemoryDealer(totalSize, "ACodec");
429
430            for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
431                sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
432                CHECK(mem.get() != NULL);
433
434                BufferInfo info;
435                info.mStatus = BufferInfo::OWNED_BY_US;
436
437                uint32_t requiresAllocateBufferBit =
438                    (portIndex == kPortIndexInput)
439                        ? OMXCodec::kRequiresAllocateBufferOnInputPorts
440                        : OMXCodec::kRequiresAllocateBufferOnOutputPorts;
441
442                if (portIndex == kPortIndexInput && (mFlags & kFlagIsSecure)) {
443                    mem.clear();
444
445                    void *ptr;
446                    err = mOMX->allocateBuffer(
447                            mNode, portIndex, def.nBufferSize, &info.mBufferID,
448                            &ptr);
449
450                    info.mData = new ABuffer(ptr, def.nBufferSize);
451                } else if (mQuirks & requiresAllocateBufferBit) {
452                    err = mOMX->allocateBufferWithBackup(
453                            mNode, portIndex, mem, &info.mBufferID);
454                } else {
455                    err = mOMX->useBuffer(mNode, portIndex, mem, &info.mBufferID);
456                }
457
458                if (mem != NULL) {
459                    info.mData = new ABuffer(mem->pointer(), def.nBufferSize);
460                }
461
462                mBuffers[portIndex].push(info);
463            }
464        }
465    }
466
467    if (err != OK) {
468        return err;
469    }
470
471    sp<AMessage> notify = mNotify->dup();
472    notify->setInt32("what", ACodec::kWhatBuffersAllocated);
473
474    notify->setInt32("portIndex", portIndex);
475
476    sp<PortDescription> desc = new PortDescription;
477
478    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
479        const BufferInfo &info = mBuffers[portIndex][i];
480
481        desc->addBuffer(info.mBufferID, info.mData);
482    }
483
484    notify->setObject("portDesc", desc);
485    notify->post();
486
487    return OK;
488}
489
490status_t ACodec::allocateOutputBuffersFromNativeWindow() {
491    OMX_PARAM_PORTDEFINITIONTYPE def;
492    InitOMXParams(&def);
493    def.nPortIndex = kPortIndexOutput;
494
495    status_t err = mOMX->getParameter(
496            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
497
498    if (err != OK) {
499        return err;
500    }
501
502    err = native_window_set_buffers_geometry(
503            mNativeWindow.get(),
504            def.format.video.nFrameWidth,
505            def.format.video.nFrameHeight,
506            def.format.video.eColorFormat);
507
508    if (err != 0) {
509        ALOGE("native_window_set_buffers_geometry failed: %s (%d)",
510                strerror(-err), -err);
511        return err;
512    }
513
514    // Set up the native window.
515    OMX_U32 usage = 0;
516    err = mOMX->getGraphicBufferUsage(mNode, kPortIndexOutput, &usage);
517    if (err != 0) {
518        ALOGW("querying usage flags from OMX IL component failed: %d", err);
519        // XXX: Currently this error is logged, but not fatal.
520        usage = 0;
521    }
522
523    if (mFlags & kFlagIsSecure) {
524        usage |= GRALLOC_USAGE_PROTECTED;
525    }
526
527    // Make sure to check whether either Stagefright or the video decoder
528    // requested protected buffers.
529    if (usage & GRALLOC_USAGE_PROTECTED) {
530        // Verify that the ANativeWindow sends images directly to
531        // SurfaceFlinger.
532        int queuesToNativeWindow = 0;
533        err = mNativeWindow->query(
534                mNativeWindow.get(), NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
535                &queuesToNativeWindow);
536        if (err != 0) {
537            ALOGE("error authenticating native window: %d", err);
538            return err;
539        }
540        if (queuesToNativeWindow != 1) {
541            ALOGE("native window could not be authenticated");
542            return PERMISSION_DENIED;
543        }
544    }
545
546    err = native_window_set_usage(
547            mNativeWindow.get(),
548            usage | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP);
549
550    if (err != 0) {
551        ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), -err);
552        return err;
553    }
554
555    int minUndequeuedBufs = 0;
556    err = mNativeWindow->query(
557            mNativeWindow.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
558            &minUndequeuedBufs);
559
560    if (err != 0) {
561        ALOGE("NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d)",
562                strerror(-err), -err);
563        return err;
564    }
565
566    // XXX: Is this the right logic to use?  It's not clear to me what the OMX
567    // buffer counts refer to - how do they account for the renderer holding on
568    // to buffers?
569    if (def.nBufferCountActual < def.nBufferCountMin + minUndequeuedBufs) {
570        OMX_U32 newBufferCount = def.nBufferCountMin + minUndequeuedBufs;
571        def.nBufferCountActual = newBufferCount;
572        err = mOMX->setParameter(
573                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
574
575        if (err != OK) {
576            ALOGE("[%s] setting nBufferCountActual to %lu failed: %d",
577                    mComponentName.c_str(), newBufferCount, err);
578            return err;
579        }
580    }
581
582    err = native_window_set_buffer_count(
583            mNativeWindow.get(), def.nBufferCountActual);
584
585    if (err != 0) {
586        ALOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-err),
587                -err);
588        return err;
589    }
590
591    ALOGV("[%s] Allocating %lu buffers from a native window of size %lu on "
592         "output port",
593         mComponentName.c_str(), def.nBufferCountActual, def.nBufferSize);
594
595    // Dequeue buffers and send them to OMX
596    for (OMX_U32 i = 0; i < def.nBufferCountActual; i++) {
597        ANativeWindowBuffer *buf;
598        err = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf);
599        if (err != 0) {
600            ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), -err);
601            break;
602        }
603
604        sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(buf, false));
605        BufferInfo info;
606        info.mStatus = BufferInfo::OWNED_BY_US;
607        info.mData = new ABuffer(0);
608        info.mGraphicBuffer = graphicBuffer;
609        mBuffers[kPortIndexOutput].push(info);
610
611        IOMX::buffer_id bufferId;
612        err = mOMX->useGraphicBuffer(mNode, kPortIndexOutput, graphicBuffer,
613                &bufferId);
614        if (err != 0) {
615            ALOGE("registering GraphicBuffer %lu with OMX IL component failed: "
616                 "%d", i, err);
617            break;
618        }
619
620        mBuffers[kPortIndexOutput].editItemAt(i).mBufferID = bufferId;
621
622        ALOGV("[%s] Registered graphic buffer with ID %p (pointer = %p)",
623             mComponentName.c_str(),
624             bufferId, graphicBuffer.get());
625    }
626
627    OMX_U32 cancelStart;
628    OMX_U32 cancelEnd;
629
630    if (err != 0) {
631        // If an error occurred while dequeuing we need to cancel any buffers
632        // that were dequeued.
633        cancelStart = 0;
634        cancelEnd = mBuffers[kPortIndexOutput].size();
635    } else {
636        // Return the last two buffers to the native window.
637        cancelStart = def.nBufferCountActual - minUndequeuedBufs;
638        cancelEnd = def.nBufferCountActual;
639    }
640
641    for (OMX_U32 i = cancelStart; i < cancelEnd; i++) {
642        BufferInfo *info = &mBuffers[kPortIndexOutput].editItemAt(i);
643        cancelBufferToNativeWindow(info);
644    }
645
646    return err;
647}
648
649status_t ACodec::cancelBufferToNativeWindow(BufferInfo *info) {
650    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
651
652    ALOGV("[%s] Calling cancelBuffer on buffer %p",
653         mComponentName.c_str(), info->mBufferID);
654
655    int err = mNativeWindow->cancelBuffer(
656        mNativeWindow.get(), info->mGraphicBuffer.get());
657
658    CHECK_EQ(err, 0);
659
660    info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
661
662    return OK;
663}
664
665ACodec::BufferInfo *ACodec::dequeueBufferFromNativeWindow() {
666    ANativeWindowBuffer *buf;
667    if (mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf) != 0) {
668        ALOGE("dequeueBuffer failed.");
669        return NULL;
670    }
671
672    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
673        BufferInfo *info =
674            &mBuffers[kPortIndexOutput].editItemAt(i);
675
676        if (info->mGraphicBuffer->handle == buf->handle) {
677            CHECK_EQ((int)info->mStatus,
678                     (int)BufferInfo::OWNED_BY_NATIVE_WINDOW);
679
680            info->mStatus = BufferInfo::OWNED_BY_US;
681
682            return info;
683        }
684    }
685
686    TRESPASS();
687
688    return NULL;
689}
690
691status_t ACodec::freeBuffersOnPort(OMX_U32 portIndex) {
692    for (size_t i = mBuffers[portIndex].size(); i-- > 0;) {
693        CHECK_EQ((status_t)OK, freeBuffer(portIndex, i));
694    }
695
696    mDealer[portIndex].clear();
697
698    return OK;
699}
700
701status_t ACodec::freeOutputBuffersNotOwnedByComponent() {
702    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
703        BufferInfo *info =
704            &mBuffers[kPortIndexOutput].editItemAt(i);
705
706        if (info->mStatus !=
707                BufferInfo::OWNED_BY_COMPONENT) {
708            // We shouldn't have sent out any buffers to the client at this
709            // point.
710            CHECK_NE((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
711
712            CHECK_EQ((status_t)OK, freeBuffer(kPortIndexOutput, i));
713        }
714    }
715
716    return OK;
717}
718
719status_t ACodec::freeBuffer(OMX_U32 portIndex, size_t i) {
720    BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
721
722    CHECK(info->mStatus == BufferInfo::OWNED_BY_US
723            || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
724
725    if (portIndex == kPortIndexOutput && mNativeWindow != NULL
726            && info->mStatus == BufferInfo::OWNED_BY_US) {
727        CHECK_EQ((status_t)OK, cancelBufferToNativeWindow(info));
728    }
729
730    CHECK_EQ(mOMX->freeBuffer(
731                mNode, portIndex, info->mBufferID),
732             (status_t)OK);
733
734    mBuffers[portIndex].removeAt(i);
735
736    return OK;
737}
738
739ACodec::BufferInfo *ACodec::findBufferByID(
740        uint32_t portIndex, IOMX::buffer_id bufferID,
741        ssize_t *index) {
742    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
743        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
744
745        if (info->mBufferID == bufferID) {
746            if (index != NULL) {
747                *index = i;
748            }
749            return info;
750        }
751    }
752
753    TRESPASS();
754
755    return NULL;
756}
757
758status_t ACodec::setComponentRole(
759        bool isEncoder, const char *mime) {
760    struct MimeToRole {
761        const char *mime;
762        const char *decoderRole;
763        const char *encoderRole;
764    };
765
766    static const MimeToRole kMimeToRole[] = {
767        { MEDIA_MIMETYPE_AUDIO_MPEG,
768            "audio_decoder.mp3", "audio_encoder.mp3" },
769        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I,
770            "audio_decoder.mp1", "audio_encoder.mp1" },
771        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II,
772            "audio_decoder.mp2", "audio_encoder.mp2" },
773        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
774            "audio_decoder.amrnb", "audio_encoder.amrnb" },
775        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
776            "audio_decoder.amrwb", "audio_encoder.amrwb" },
777        { MEDIA_MIMETYPE_AUDIO_AAC,
778            "audio_decoder.aac", "audio_encoder.aac" },
779        { MEDIA_MIMETYPE_AUDIO_VORBIS,
780            "audio_decoder.vorbis", "audio_encoder.vorbis" },
781        { MEDIA_MIMETYPE_AUDIO_G711_MLAW,
782            "audio_decoder.g711mlaw", "audio_encoder.g711mlaw" },
783        { MEDIA_MIMETYPE_AUDIO_G711_ALAW,
784            "audio_decoder.g711alaw", "audio_encoder.g711alaw" },
785        { MEDIA_MIMETYPE_VIDEO_AVC,
786            "video_decoder.avc", "video_encoder.avc" },
787        { MEDIA_MIMETYPE_VIDEO_MPEG4,
788            "video_decoder.mpeg4", "video_encoder.mpeg4" },
789        { MEDIA_MIMETYPE_VIDEO_H263,
790            "video_decoder.h263", "video_encoder.h263" },
791        { MEDIA_MIMETYPE_VIDEO_VPX,
792            "video_decoder.vpx", "video_encoder.vpx" },
793        { MEDIA_MIMETYPE_AUDIO_RAW,
794            "audio_decoder.raw", "audio_encoder.raw" },
795        { MEDIA_MIMETYPE_AUDIO_FLAC,
796            "audio_decoder.flac", "audio_encoder.flac" },
797    };
798
799    static const size_t kNumMimeToRole =
800        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
801
802    size_t i;
803    for (i = 0; i < kNumMimeToRole; ++i) {
804        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
805            break;
806        }
807    }
808
809    if (i == kNumMimeToRole) {
810        return ERROR_UNSUPPORTED;
811    }
812
813    const char *role =
814        isEncoder ? kMimeToRole[i].encoderRole
815                  : kMimeToRole[i].decoderRole;
816
817    if (role != NULL) {
818        OMX_PARAM_COMPONENTROLETYPE roleParams;
819        InitOMXParams(&roleParams);
820
821        strncpy((char *)roleParams.cRole,
822                role, OMX_MAX_STRINGNAME_SIZE - 1);
823
824        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
825
826        status_t err = mOMX->setParameter(
827                mNode, OMX_IndexParamStandardComponentRole,
828                &roleParams, sizeof(roleParams));
829
830        if (err != OK) {
831            ALOGW("[%s] Failed to set standard component role '%s'.",
832                 mComponentName.c_str(), role);
833
834            return err;
835        }
836    }
837
838    return OK;
839}
840
841status_t ACodec::configureCodec(
842        const char *mime, const sp<AMessage> &msg) {
843    int32_t encoder;
844    if (!msg->findInt32("encoder", &encoder)) {
845        encoder = false;
846    }
847
848    mIsEncoder = encoder;
849
850    status_t err = setComponentRole(encoder /* isEncoder */, mime);
851
852    if (err != OK) {
853        return err;
854    }
855
856    int32_t bitRate = 0;
857    // FLAC encoder doesn't need a bitrate, other encoders do
858    if (encoder && strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)
859            && !msg->findInt32("bitrate", &bitRate)) {
860        return INVALID_OPERATION;
861    }
862
863    if (!strncasecmp(mime, "video/", 6)) {
864        if (encoder) {
865            err = setupVideoEncoder(mime, msg);
866        } else {
867            int32_t width, height;
868            if (!msg->findInt32("width", &width)
869                    || !msg->findInt32("height", &height)) {
870                err = INVALID_OPERATION;
871            } else {
872                err = setupVideoDecoder(mime, width, height);
873            }
874        }
875    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
876        int32_t numChannels, sampleRate;
877        if (!msg->findInt32("channel-count", &numChannels)
878                || !msg->findInt32("sample-rate", &sampleRate)) {
879            err = INVALID_OPERATION;
880        } else {
881            int32_t isADTS, aacProfile;
882            if (!msg->findInt32("is-adts", &isADTS)) {
883                isADTS = 0;
884            }
885            if (!msg->findInt32("aac-profile", &aacProfile)) {
886                aacProfile = OMX_AUDIO_AACObjectNull;
887            }
888
889            err = setupAACCodec(
890                    encoder, numChannels, sampleRate, bitRate, aacProfile, isADTS != 0);
891        }
892    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)) {
893        err = setupAMRCodec(encoder, false /* isWAMR */, bitRate);
894    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
895        err = setupAMRCodec(encoder, true /* isWAMR */, bitRate);
896    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_ALAW)
897            || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_MLAW)) {
898        // These are PCM-like formats with a fixed sample rate but
899        // a variable number of channels.
900
901        int32_t numChannels;
902        if (!msg->findInt32("channel-count", &numChannels)) {
903            err = INVALID_OPERATION;
904        } else {
905            err = setupG711Codec(encoder, numChannels);
906        }
907    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)) {
908        int32_t numChannels, sampleRate, compressionLevel = -1;
909        if (encoder &&
910                (!msg->findInt32("channel-count", &numChannels)
911                        || !msg->findInt32("sample-rate", &sampleRate))) {
912            ALOGE("missing channel count or sample rate for FLAC encoder");
913            err = INVALID_OPERATION;
914        } else {
915            if (encoder) {
916                if (!msg->findInt32("flac-compression-level", &compressionLevel)) {
917                    compressionLevel = 5;// default FLAC compression level
918                } else if (compressionLevel < 0) {
919                    ALOGW("compression level %d outside [0..8] range, using 0", compressionLevel);
920                    compressionLevel = 0;
921                } else if (compressionLevel > 8) {
922                    ALOGW("compression level %d outside [0..8] range, using 8", compressionLevel);
923                    compressionLevel = 8;
924                }
925            }
926            err = setupFlacCodec(encoder, numChannels, sampleRate, compressionLevel);
927        }
928    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
929        int32_t numChannels, sampleRate;
930        if (encoder
931                || !msg->findInt32("channel-count", &numChannels)
932                || !msg->findInt32("sample-rate", &sampleRate)) {
933            err = INVALID_OPERATION;
934        } else {
935            err = setupRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
936        }
937    }
938
939    if (!msg->findInt32("encoder-delay", &mEncoderDelay)) {
940        mEncoderDelay = 0;
941    }
942
943    if (!msg->findInt32("encoder-padding", &mEncoderPadding)) {
944        mEncoderPadding = 0;
945    }
946
947    if (msg->findInt32("channel-mask", &mChannelMask)) {
948        mChannelMaskPresent = true;
949    } else {
950        mChannelMaskPresent = false;
951    }
952
953    int32_t maxInputSize;
954    if (msg->findInt32("max-input-size", &maxInputSize)) {
955        err = setMinBufferSize(kPortIndexInput, (size_t)maxInputSize);
956    } else if (!strcmp("OMX.Nvidia.aac.decoder", mComponentName.c_str())) {
957        err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
958    }
959
960    return err;
961}
962
963status_t ACodec::setMinBufferSize(OMX_U32 portIndex, size_t size) {
964    OMX_PARAM_PORTDEFINITIONTYPE def;
965    InitOMXParams(&def);
966    def.nPortIndex = portIndex;
967
968    status_t err = mOMX->getParameter(
969            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
970
971    if (err != OK) {
972        return err;
973    }
974
975    if (def.nBufferSize >= size) {
976        return OK;
977    }
978
979    def.nBufferSize = size;
980
981    err = mOMX->setParameter(
982            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
983
984    if (err != OK) {
985        return err;
986    }
987
988    err = mOMX->getParameter(
989            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
990
991    if (err != OK) {
992        return err;
993    }
994
995    CHECK(def.nBufferSize >= size);
996
997    return OK;
998}
999
1000status_t ACodec::selectAudioPortFormat(
1001        OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat) {
1002    OMX_AUDIO_PARAM_PORTFORMATTYPE format;
1003    InitOMXParams(&format);
1004
1005    format.nPortIndex = portIndex;
1006    for (OMX_U32 index = 0;; ++index) {
1007        format.nIndex = index;
1008
1009        status_t err = mOMX->getParameter(
1010                mNode, OMX_IndexParamAudioPortFormat,
1011                &format, sizeof(format));
1012
1013        if (err != OK) {
1014            return err;
1015        }
1016
1017        if (format.eEncoding == desiredFormat) {
1018            break;
1019        }
1020    }
1021
1022    return mOMX->setParameter(
1023            mNode, OMX_IndexParamAudioPortFormat, &format, sizeof(format));
1024}
1025
1026status_t ACodec::setupAACCodec(
1027        bool encoder, int32_t numChannels, int32_t sampleRate,
1028        int32_t bitRate, int32_t aacProfile, bool isADTS) {
1029    if (encoder && isADTS) {
1030        return -EINVAL;
1031    }
1032
1033    status_t err = setupRawAudioFormat(
1034            encoder ? kPortIndexInput : kPortIndexOutput,
1035            sampleRate,
1036            numChannels);
1037
1038    if (err != OK) {
1039        return err;
1040    }
1041
1042    if (encoder) {
1043        err = selectAudioPortFormat(kPortIndexOutput, OMX_AUDIO_CodingAAC);
1044
1045        if (err != OK) {
1046            return err;
1047        }
1048
1049        OMX_PARAM_PORTDEFINITIONTYPE def;
1050        InitOMXParams(&def);
1051        def.nPortIndex = kPortIndexOutput;
1052
1053        err = mOMX->getParameter(
1054                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1055
1056        if (err != OK) {
1057            return err;
1058        }
1059
1060        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
1061        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
1062
1063        err = mOMX->setParameter(
1064                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1065
1066        if (err != OK) {
1067            return err;
1068        }
1069
1070        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1071        InitOMXParams(&profile);
1072        profile.nPortIndex = kPortIndexOutput;
1073
1074        err = mOMX->getParameter(
1075                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1076
1077        if (err != OK) {
1078            return err;
1079        }
1080
1081        profile.nChannels = numChannels;
1082
1083        profile.eChannelMode =
1084            (numChannels == 1)
1085                ? OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo;
1086
1087        profile.nSampleRate = sampleRate;
1088        profile.nBitRate = bitRate;
1089        profile.nAudioBandWidth = 0;
1090        profile.nFrameLength = 0;
1091        profile.nAACtools = OMX_AUDIO_AACToolAll;
1092        profile.nAACERtools = OMX_AUDIO_AACERNone;
1093        profile.eAACProfile = (OMX_AUDIO_AACPROFILETYPE) aacProfile;
1094        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
1095
1096        err = mOMX->setParameter(
1097                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1098
1099        if (err != OK) {
1100            return err;
1101        }
1102
1103        return err;
1104    }
1105
1106    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1107    InitOMXParams(&profile);
1108    profile.nPortIndex = kPortIndexInput;
1109
1110    err = mOMX->getParameter(
1111            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1112
1113    if (err != OK) {
1114        return err;
1115    }
1116
1117    profile.nChannels = numChannels;
1118    profile.nSampleRate = sampleRate;
1119
1120    profile.eAACStreamFormat =
1121        isADTS
1122            ? OMX_AUDIO_AACStreamFormatMP4ADTS
1123            : OMX_AUDIO_AACStreamFormatMP4FF;
1124
1125    return mOMX->setParameter(
1126            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1127}
1128
1129static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(
1130        bool isAMRWB, int32_t bps) {
1131    if (isAMRWB) {
1132        if (bps <= 6600) {
1133            return OMX_AUDIO_AMRBandModeWB0;
1134        } else if (bps <= 8850) {
1135            return OMX_AUDIO_AMRBandModeWB1;
1136        } else if (bps <= 12650) {
1137            return OMX_AUDIO_AMRBandModeWB2;
1138        } else if (bps <= 14250) {
1139            return OMX_AUDIO_AMRBandModeWB3;
1140        } else if (bps <= 15850) {
1141            return OMX_AUDIO_AMRBandModeWB4;
1142        } else if (bps <= 18250) {
1143            return OMX_AUDIO_AMRBandModeWB5;
1144        } else if (bps <= 19850) {
1145            return OMX_AUDIO_AMRBandModeWB6;
1146        } else if (bps <= 23050) {
1147            return OMX_AUDIO_AMRBandModeWB7;
1148        }
1149
1150        // 23850 bps
1151        return OMX_AUDIO_AMRBandModeWB8;
1152    } else {  // AMRNB
1153        if (bps <= 4750) {
1154            return OMX_AUDIO_AMRBandModeNB0;
1155        } else if (bps <= 5150) {
1156            return OMX_AUDIO_AMRBandModeNB1;
1157        } else if (bps <= 5900) {
1158            return OMX_AUDIO_AMRBandModeNB2;
1159        } else if (bps <= 6700) {
1160            return OMX_AUDIO_AMRBandModeNB3;
1161        } else if (bps <= 7400) {
1162            return OMX_AUDIO_AMRBandModeNB4;
1163        } else if (bps <= 7950) {
1164            return OMX_AUDIO_AMRBandModeNB5;
1165        } else if (bps <= 10200) {
1166            return OMX_AUDIO_AMRBandModeNB6;
1167        }
1168
1169        // 12200 bps
1170        return OMX_AUDIO_AMRBandModeNB7;
1171    }
1172}
1173
1174status_t ACodec::setupAMRCodec(bool encoder, bool isWAMR, int32_t bitrate) {
1175    OMX_AUDIO_PARAM_AMRTYPE def;
1176    InitOMXParams(&def);
1177    def.nPortIndex = encoder ? kPortIndexOutput : kPortIndexInput;
1178
1179    status_t err =
1180        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1181
1182    if (err != OK) {
1183        return err;
1184    }
1185
1186    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1187    def.eAMRBandMode = pickModeFromBitRate(isWAMR, bitrate);
1188
1189    err = mOMX->setParameter(
1190            mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1191
1192    if (err != OK) {
1193        return err;
1194    }
1195
1196    return setupRawAudioFormat(
1197            encoder ? kPortIndexInput : kPortIndexOutput,
1198            isWAMR ? 16000 : 8000 /* sampleRate */,
1199            1 /* numChannels */);
1200}
1201
1202status_t ACodec::setupG711Codec(bool encoder, int32_t numChannels) {
1203    CHECK(!encoder);  // XXX TODO
1204
1205    return setupRawAudioFormat(
1206            kPortIndexInput, 8000 /* sampleRate */, numChannels);
1207}
1208
1209status_t ACodec::setupFlacCodec(
1210        bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel) {
1211
1212    if (encoder) {
1213        OMX_AUDIO_PARAM_FLACTYPE def;
1214        InitOMXParams(&def);
1215        def.nPortIndex = kPortIndexOutput;
1216
1217        // configure compression level
1218        status_t err = mOMX->getParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1219        if (err != OK) {
1220            ALOGE("setupFlacCodec(): Error %d getting OMX_IndexParamAudioFlac parameter", err);
1221            return err;
1222        }
1223        def.nCompressionLevel = compressionLevel;
1224        err = mOMX->setParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1225        if (err != OK) {
1226            ALOGE("setupFlacCodec(): Error %d setting OMX_IndexParamAudioFlac parameter", err);
1227            return err;
1228        }
1229    }
1230
1231    return setupRawAudioFormat(
1232            encoder ? kPortIndexInput : kPortIndexOutput,
1233            sampleRate,
1234            numChannels);
1235}
1236
1237status_t ACodec::setupRawAudioFormat(
1238        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1239    OMX_PARAM_PORTDEFINITIONTYPE def;
1240    InitOMXParams(&def);
1241    def.nPortIndex = portIndex;
1242
1243    status_t err = mOMX->getParameter(
1244            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1245
1246    if (err != OK) {
1247        return err;
1248    }
1249
1250    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
1251
1252    err = mOMX->setParameter(
1253            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1254
1255    if (err != OK) {
1256        return err;
1257    }
1258
1259    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1260    InitOMXParams(&pcmParams);
1261    pcmParams.nPortIndex = portIndex;
1262
1263    err = mOMX->getParameter(
1264            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1265
1266    if (err != OK) {
1267        return err;
1268    }
1269
1270    pcmParams.nChannels = numChannels;
1271    pcmParams.eNumData = OMX_NumericalDataSigned;
1272    pcmParams.bInterleaved = OMX_TRUE;
1273    pcmParams.nBitPerSample = 16;
1274    pcmParams.nSamplingRate = sampleRate;
1275    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1276
1277    if (getOMXChannelMapping(numChannels, pcmParams.eChannelMapping) != OK) {
1278        return OMX_ErrorNone;
1279    }
1280
1281    return mOMX->setParameter(
1282            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1283}
1284
1285status_t ACodec::setVideoPortFormatType(
1286        OMX_U32 portIndex,
1287        OMX_VIDEO_CODINGTYPE compressionFormat,
1288        OMX_COLOR_FORMATTYPE colorFormat) {
1289    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1290    InitOMXParams(&format);
1291    format.nPortIndex = portIndex;
1292    format.nIndex = 0;
1293    bool found = false;
1294
1295    OMX_U32 index = 0;
1296    for (;;) {
1297        format.nIndex = index;
1298        status_t err = mOMX->getParameter(
1299                mNode, OMX_IndexParamVideoPortFormat,
1300                &format, sizeof(format));
1301
1302        if (err != OK) {
1303            return err;
1304        }
1305
1306        // The following assertion is violated by TI's video decoder.
1307        // CHECK_EQ(format.nIndex, index);
1308
1309        if (!strcmp("OMX.TI.Video.encoder", mComponentName.c_str())) {
1310            if (portIndex == kPortIndexInput
1311                    && colorFormat == format.eColorFormat) {
1312                // eCompressionFormat does not seem right.
1313                found = true;
1314                break;
1315            }
1316            if (portIndex == kPortIndexOutput
1317                    && compressionFormat == format.eCompressionFormat) {
1318                // eColorFormat does not seem right.
1319                found = true;
1320                break;
1321            }
1322        }
1323
1324        if (format.eCompressionFormat == compressionFormat
1325            && format.eColorFormat == colorFormat) {
1326            found = true;
1327            break;
1328        }
1329
1330        ++index;
1331    }
1332
1333    if (!found) {
1334        return UNKNOWN_ERROR;
1335    }
1336
1337    status_t err = mOMX->setParameter(
1338            mNode, OMX_IndexParamVideoPortFormat,
1339            &format, sizeof(format));
1340
1341    return err;
1342}
1343
1344status_t ACodec::setSupportedOutputFormat() {
1345    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1346    InitOMXParams(&format);
1347    format.nPortIndex = kPortIndexOutput;
1348    format.nIndex = 0;
1349
1350    status_t err = mOMX->getParameter(
1351            mNode, OMX_IndexParamVideoPortFormat,
1352            &format, sizeof(format));
1353    CHECK_EQ(err, (status_t)OK);
1354    CHECK_EQ((int)format.eCompressionFormat, (int)OMX_VIDEO_CodingUnused);
1355
1356    CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
1357           || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
1358           || format.eColorFormat == OMX_COLOR_FormatCbYCrY
1359           || format.eColorFormat == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar
1360           || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
1361
1362    return mOMX->setParameter(
1363            mNode, OMX_IndexParamVideoPortFormat,
1364            &format, sizeof(format));
1365}
1366
1367static status_t GetVideoCodingTypeFromMime(
1368        const char *mime, OMX_VIDEO_CODINGTYPE *codingType) {
1369    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
1370        *codingType = OMX_VIDEO_CodingAVC;
1371    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
1372        *codingType = OMX_VIDEO_CodingMPEG4;
1373    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
1374        *codingType = OMX_VIDEO_CodingH263;
1375    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG2, mime)) {
1376        *codingType = OMX_VIDEO_CodingMPEG2;
1377    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_VPX, mime)) {
1378        *codingType = OMX_VIDEO_CodingVPX;
1379    } else {
1380        *codingType = OMX_VIDEO_CodingUnused;
1381        return ERROR_UNSUPPORTED;
1382    }
1383
1384    return OK;
1385}
1386
1387status_t ACodec::setupVideoDecoder(
1388        const char *mime, int32_t width, int32_t height) {
1389    OMX_VIDEO_CODINGTYPE compressionFormat;
1390    status_t err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1391
1392    if (err != OK) {
1393        return err;
1394    }
1395
1396    err = setVideoPortFormatType(
1397            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
1398
1399    if (err != OK) {
1400        return err;
1401    }
1402
1403    err = setSupportedOutputFormat();
1404
1405    if (err != OK) {
1406        return err;
1407    }
1408
1409    err = setVideoFormatOnPort(
1410            kPortIndexInput, width, height, compressionFormat);
1411
1412    if (err != OK) {
1413        return err;
1414    }
1415
1416    err = setVideoFormatOnPort(
1417            kPortIndexOutput, width, height, OMX_VIDEO_CodingUnused);
1418
1419    if (err != OK) {
1420        return err;
1421    }
1422
1423    return OK;
1424}
1425
1426status_t ACodec::setupVideoEncoder(const char *mime, const sp<AMessage> &msg) {
1427    int32_t tmp;
1428    if (!msg->findInt32("color-format", &tmp)) {
1429        return INVALID_OPERATION;
1430    }
1431
1432    OMX_COLOR_FORMATTYPE colorFormat =
1433        static_cast<OMX_COLOR_FORMATTYPE>(tmp);
1434
1435    status_t err = setVideoPortFormatType(
1436            kPortIndexInput, OMX_VIDEO_CodingUnused, colorFormat);
1437
1438    if (err != OK) {
1439        ALOGE("[%s] does not support color format %d",
1440              mComponentName.c_str(), colorFormat);
1441
1442        return err;
1443    }
1444
1445    /* Input port configuration */
1446
1447    OMX_PARAM_PORTDEFINITIONTYPE def;
1448    InitOMXParams(&def);
1449
1450    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1451
1452    def.nPortIndex = kPortIndexInput;
1453
1454    err = mOMX->getParameter(
1455            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1456
1457    if (err != OK) {
1458        return err;
1459    }
1460
1461    int32_t width, height, bitrate;
1462    if (!msg->findInt32("width", &width)
1463            || !msg->findInt32("height", &height)
1464            || !msg->findInt32("bitrate", &bitrate)) {
1465        return INVALID_OPERATION;
1466    }
1467
1468    video_def->nFrameWidth = width;
1469    video_def->nFrameHeight = height;
1470
1471    int32_t stride;
1472    if (!msg->findInt32("stride", &stride)) {
1473        stride = width;
1474    }
1475
1476    video_def->nStride = stride;
1477
1478    int32_t sliceHeight;
1479    if (!msg->findInt32("slice-height", &sliceHeight)) {
1480        sliceHeight = height;
1481    }
1482
1483    video_def->nSliceHeight = sliceHeight;
1484
1485    def.nBufferSize = (video_def->nStride * video_def->nSliceHeight * 3) / 2;
1486
1487    float frameRate;
1488    if (!msg->findFloat("frame-rate", &frameRate)) {
1489        int32_t tmp;
1490        if (!msg->findInt32("frame-rate", &tmp)) {
1491            return INVALID_OPERATION;
1492        }
1493        frameRate = (float)tmp;
1494    }
1495
1496    video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
1497    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
1498    video_def->eColorFormat = colorFormat;
1499
1500    err = mOMX->setParameter(
1501            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1502
1503    if (err != OK) {
1504        ALOGE("[%s] failed to set input port definition parameters.",
1505              mComponentName.c_str());
1506
1507        return err;
1508    }
1509
1510    /* Output port configuration */
1511
1512    OMX_VIDEO_CODINGTYPE compressionFormat;
1513    err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1514
1515    if (err != OK) {
1516        return err;
1517    }
1518
1519    err = setVideoPortFormatType(
1520            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
1521
1522    if (err != OK) {
1523        ALOGE("[%s] does not support compression format %d",
1524             mComponentName.c_str(), compressionFormat);
1525
1526        return err;
1527    }
1528
1529    def.nPortIndex = kPortIndexOutput;
1530
1531    err = mOMX->getParameter(
1532            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1533
1534    if (err != OK) {
1535        return err;
1536    }
1537
1538    video_def->nFrameWidth = width;
1539    video_def->nFrameHeight = height;
1540    video_def->xFramerate = 0;
1541    video_def->nBitrate = bitrate;
1542    video_def->eCompressionFormat = compressionFormat;
1543    video_def->eColorFormat = OMX_COLOR_FormatUnused;
1544
1545    err = mOMX->setParameter(
1546            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1547
1548    if (err != OK) {
1549        ALOGE("[%s] failed to set output port definition parameters.",
1550              mComponentName.c_str());
1551
1552        return err;
1553    }
1554
1555    switch (compressionFormat) {
1556        case OMX_VIDEO_CodingMPEG4:
1557            err = setupMPEG4EncoderParameters(msg);
1558            break;
1559
1560        case OMX_VIDEO_CodingH263:
1561            err = setupH263EncoderParameters(msg);
1562            break;
1563
1564        case OMX_VIDEO_CodingAVC:
1565            err = setupAVCEncoderParameters(msg);
1566            break;
1567
1568        default:
1569            break;
1570    }
1571
1572    ALOGI("setupVideoEncoder succeeded");
1573
1574    return err;
1575}
1576
1577static OMX_U32 setPFramesSpacing(int32_t iFramesInterval, int32_t frameRate) {
1578    if (iFramesInterval < 0) {
1579        return 0xFFFFFFFF;
1580    } else if (iFramesInterval == 0) {
1581        return 0;
1582    }
1583    OMX_U32 ret = frameRate * iFramesInterval;
1584    CHECK(ret > 1);
1585    return ret;
1586}
1587
1588status_t ACodec::setupMPEG4EncoderParameters(const sp<AMessage> &msg) {
1589    int32_t bitrate, iFrameInterval;
1590    if (!msg->findInt32("bitrate", &bitrate)
1591            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1592        return INVALID_OPERATION;
1593    }
1594
1595    float frameRate;
1596    if (!msg->findFloat("frame-rate", &frameRate)) {
1597        int32_t tmp;
1598        if (!msg->findInt32("frame-rate", &tmp)) {
1599            return INVALID_OPERATION;
1600        }
1601        frameRate = (float)tmp;
1602    }
1603
1604    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
1605    InitOMXParams(&mpeg4type);
1606    mpeg4type.nPortIndex = kPortIndexOutput;
1607
1608    status_t err = mOMX->getParameter(
1609            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1610
1611    if (err != OK) {
1612        return err;
1613    }
1614
1615    mpeg4type.nSliceHeaderSpacing = 0;
1616    mpeg4type.bSVH = OMX_FALSE;
1617    mpeg4type.bGov = OMX_FALSE;
1618
1619    mpeg4type.nAllowedPictureTypes =
1620        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1621
1622    mpeg4type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1623    if (mpeg4type.nPFrames == 0) {
1624        mpeg4type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1625    }
1626    mpeg4type.nBFrames = 0;
1627    mpeg4type.nIDCVLCThreshold = 0;
1628    mpeg4type.bACPred = OMX_TRUE;
1629    mpeg4type.nMaxPacketSize = 256;
1630    mpeg4type.nTimeIncRes = 1000;
1631    mpeg4type.nHeaderExtension = 0;
1632    mpeg4type.bReversibleVLC = OMX_FALSE;
1633
1634    int32_t profile;
1635    if (msg->findInt32("profile", &profile)) {
1636        int32_t level;
1637        if (!msg->findInt32("level", &level)) {
1638            return INVALID_OPERATION;
1639        }
1640
1641        err = verifySupportForProfileAndLevel(profile, level);
1642
1643        if (err != OK) {
1644            return err;
1645        }
1646
1647        mpeg4type.eProfile = static_cast<OMX_VIDEO_MPEG4PROFILETYPE>(profile);
1648        mpeg4type.eLevel = static_cast<OMX_VIDEO_MPEG4LEVELTYPE>(level);
1649    }
1650
1651    err = mOMX->setParameter(
1652            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1653
1654    if (err != OK) {
1655        return err;
1656    }
1657
1658    err = configureBitrate(bitrate);
1659
1660    if (err != OK) {
1661        return err;
1662    }
1663
1664    return setupErrorCorrectionParameters();
1665}
1666
1667status_t ACodec::setupH263EncoderParameters(const sp<AMessage> &msg) {
1668    int32_t bitrate, iFrameInterval;
1669    if (!msg->findInt32("bitrate", &bitrate)
1670            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1671        return INVALID_OPERATION;
1672    }
1673
1674    float frameRate;
1675    if (!msg->findFloat("frame-rate", &frameRate)) {
1676        int32_t tmp;
1677        if (!msg->findInt32("frame-rate", &tmp)) {
1678            return INVALID_OPERATION;
1679        }
1680        frameRate = (float)tmp;
1681    }
1682
1683    OMX_VIDEO_PARAM_H263TYPE h263type;
1684    InitOMXParams(&h263type);
1685    h263type.nPortIndex = kPortIndexOutput;
1686
1687    status_t err = mOMX->getParameter(
1688            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1689
1690    if (err != OK) {
1691        return err;
1692    }
1693
1694    h263type.nAllowedPictureTypes =
1695        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1696
1697    h263type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1698    if (h263type.nPFrames == 0) {
1699        h263type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1700    }
1701    h263type.nBFrames = 0;
1702
1703    int32_t profile;
1704    if (msg->findInt32("profile", &profile)) {
1705        int32_t level;
1706        if (!msg->findInt32("level", &level)) {
1707            return INVALID_OPERATION;
1708        }
1709
1710        err = verifySupportForProfileAndLevel(profile, level);
1711
1712        if (err != OK) {
1713            return err;
1714        }
1715
1716        h263type.eProfile = static_cast<OMX_VIDEO_H263PROFILETYPE>(profile);
1717        h263type.eLevel = static_cast<OMX_VIDEO_H263LEVELTYPE>(level);
1718    }
1719
1720    h263type.bPLUSPTYPEAllowed = OMX_FALSE;
1721    h263type.bForceRoundingTypeToZero = OMX_FALSE;
1722    h263type.nPictureHeaderRepetition = 0;
1723    h263type.nGOBHeaderInterval = 0;
1724
1725    err = mOMX->setParameter(
1726            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1727
1728    if (err != OK) {
1729        return err;
1730    }
1731
1732    err = configureBitrate(bitrate);
1733
1734    if (err != OK) {
1735        return err;
1736    }
1737
1738    return setupErrorCorrectionParameters();
1739}
1740
1741status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
1742    int32_t bitrate, iFrameInterval;
1743    if (!msg->findInt32("bitrate", &bitrate)
1744            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1745        return INVALID_OPERATION;
1746    }
1747
1748    float frameRate;
1749    if (!msg->findFloat("frame-rate", &frameRate)) {
1750        int32_t tmp;
1751        if (!msg->findInt32("frame-rate", &tmp)) {
1752            return INVALID_OPERATION;
1753        }
1754        frameRate = (float)tmp;
1755    }
1756
1757    OMX_VIDEO_PARAM_AVCTYPE h264type;
1758    InitOMXParams(&h264type);
1759    h264type.nPortIndex = kPortIndexOutput;
1760
1761    status_t err = mOMX->getParameter(
1762            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1763
1764    if (err != OK) {
1765        return err;
1766    }
1767
1768    h264type.nAllowedPictureTypes =
1769        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1770
1771    int32_t profile;
1772    if (msg->findInt32("profile", &profile)) {
1773        int32_t level;
1774        if (!msg->findInt32("level", &level)) {
1775            return INVALID_OPERATION;
1776        }
1777
1778        err = verifySupportForProfileAndLevel(profile, level);
1779
1780        if (err != OK) {
1781            return err;
1782        }
1783
1784        h264type.eProfile = static_cast<OMX_VIDEO_AVCPROFILETYPE>(profile);
1785        h264type.eLevel = static_cast<OMX_VIDEO_AVCLEVELTYPE>(level);
1786    }
1787
1788    // XXX
1789    if (h264type.eProfile != OMX_VIDEO_AVCProfileBaseline) {
1790        ALOGW("Use baseline profile instead of %d for AVC recording",
1791            h264type.eProfile);
1792        h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
1793    }
1794
1795    if (h264type.eProfile == OMX_VIDEO_AVCProfileBaseline) {
1796        h264type.nSliceHeaderSpacing = 0;
1797        h264type.bUseHadamard = OMX_TRUE;
1798        h264type.nRefFrames = 1;
1799        h264type.nBFrames = 0;
1800        h264type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1801        if (h264type.nPFrames == 0) {
1802            h264type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1803        }
1804        h264type.nRefIdx10ActiveMinus1 = 0;
1805        h264type.nRefIdx11ActiveMinus1 = 0;
1806        h264type.bEntropyCodingCABAC = OMX_FALSE;
1807        h264type.bWeightedPPrediction = OMX_FALSE;
1808        h264type.bconstIpred = OMX_FALSE;
1809        h264type.bDirect8x8Inference = OMX_FALSE;
1810        h264type.bDirectSpatialTemporal = OMX_FALSE;
1811        h264type.nCabacInitIdc = 0;
1812    }
1813
1814    if (h264type.nBFrames != 0) {
1815        h264type.nAllowedPictureTypes |= OMX_VIDEO_PictureTypeB;
1816    }
1817
1818    h264type.bEnableUEP = OMX_FALSE;
1819    h264type.bEnableFMO = OMX_FALSE;
1820    h264type.bEnableASO = OMX_FALSE;
1821    h264type.bEnableRS = OMX_FALSE;
1822    h264type.bFrameMBsOnly = OMX_TRUE;
1823    h264type.bMBAFF = OMX_FALSE;
1824    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
1825
1826    err = mOMX->setParameter(
1827            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1828
1829    if (err != OK) {
1830        return err;
1831    }
1832
1833    return configureBitrate(bitrate);
1834}
1835
1836status_t ACodec::verifySupportForProfileAndLevel(
1837        int32_t profile, int32_t level) {
1838    OMX_VIDEO_PARAM_PROFILELEVELTYPE params;
1839    InitOMXParams(&params);
1840    params.nPortIndex = kPortIndexOutput;
1841
1842    for (params.nProfileIndex = 0;; ++params.nProfileIndex) {
1843        status_t err = mOMX->getParameter(
1844                mNode,
1845                OMX_IndexParamVideoProfileLevelQuerySupported,
1846                &params,
1847                sizeof(params));
1848
1849        if (err != OK) {
1850            return err;
1851        }
1852
1853        int32_t supportedProfile = static_cast<int32_t>(params.eProfile);
1854        int32_t supportedLevel = static_cast<int32_t>(params.eLevel);
1855
1856        if (profile == supportedProfile && level <= supportedLevel) {
1857            return OK;
1858        }
1859    }
1860}
1861
1862status_t ACodec::configureBitrate(int32_t bitrate) {
1863    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
1864    InitOMXParams(&bitrateType);
1865    bitrateType.nPortIndex = kPortIndexOutput;
1866
1867    status_t err = mOMX->getParameter(
1868            mNode, OMX_IndexParamVideoBitrate,
1869            &bitrateType, sizeof(bitrateType));
1870
1871    if (err != OK) {
1872        return err;
1873    }
1874
1875    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
1876    bitrateType.nTargetBitrate = bitrate;
1877
1878    return mOMX->setParameter(
1879            mNode, OMX_IndexParamVideoBitrate,
1880            &bitrateType, sizeof(bitrateType));
1881}
1882
1883status_t ACodec::setupErrorCorrectionParameters() {
1884    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
1885    InitOMXParams(&errorCorrectionType);
1886    errorCorrectionType.nPortIndex = kPortIndexOutput;
1887
1888    status_t err = mOMX->getParameter(
1889            mNode, OMX_IndexParamVideoErrorCorrection,
1890            &errorCorrectionType, sizeof(errorCorrectionType));
1891
1892    if (err != OK) {
1893        return OK;  // Optional feature. Ignore this failure
1894    }
1895
1896    errorCorrectionType.bEnableHEC = OMX_FALSE;
1897    errorCorrectionType.bEnableResync = OMX_TRUE;
1898    errorCorrectionType.nResynchMarkerSpacing = 256;
1899    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
1900    errorCorrectionType.bEnableRVLC = OMX_FALSE;
1901
1902    return mOMX->setParameter(
1903            mNode, OMX_IndexParamVideoErrorCorrection,
1904            &errorCorrectionType, sizeof(errorCorrectionType));
1905}
1906
1907status_t ACodec::setVideoFormatOnPort(
1908        OMX_U32 portIndex,
1909        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
1910    OMX_PARAM_PORTDEFINITIONTYPE def;
1911    InitOMXParams(&def);
1912    def.nPortIndex = portIndex;
1913
1914    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1915
1916    status_t err = mOMX->getParameter(
1917            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1918
1919    CHECK_EQ(err, (status_t)OK);
1920
1921    if (portIndex == kPortIndexInput) {
1922        // XXX Need a (much) better heuristic to compute input buffer sizes.
1923        const size_t X = 64 * 1024;
1924        if (def.nBufferSize < X) {
1925            def.nBufferSize = X;
1926        }
1927    }
1928
1929    CHECK_EQ((int)def.eDomain, (int)OMX_PortDomainVideo);
1930
1931    video_def->nFrameWidth = width;
1932    video_def->nFrameHeight = height;
1933
1934    if (portIndex == kPortIndexInput) {
1935        video_def->eCompressionFormat = compressionFormat;
1936        video_def->eColorFormat = OMX_COLOR_FormatUnused;
1937    }
1938
1939    err = mOMX->setParameter(
1940            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1941
1942    return err;
1943}
1944
1945status_t ACodec::initNativeWindow() {
1946    if (mNativeWindow != NULL) {
1947        return mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_TRUE);
1948    }
1949
1950    mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_FALSE);
1951    return OK;
1952}
1953
1954size_t ACodec::countBuffersOwnedByComponent(OMX_U32 portIndex) const {
1955    size_t n = 0;
1956
1957    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
1958        const BufferInfo &info = mBuffers[portIndex].itemAt(i);
1959
1960        if (info.mStatus == BufferInfo::OWNED_BY_COMPONENT) {
1961            ++n;
1962        }
1963    }
1964
1965    return n;
1966}
1967
1968bool ACodec::allYourBuffersAreBelongToUs(
1969        OMX_U32 portIndex) {
1970    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
1971        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
1972
1973        if (info->mStatus != BufferInfo::OWNED_BY_US
1974                && info->mStatus != BufferInfo::OWNED_BY_NATIVE_WINDOW) {
1975            ALOGV("[%s] Buffer %p on port %ld still has status %d",
1976                    mComponentName.c_str(),
1977                    info->mBufferID, portIndex, info->mStatus);
1978            return false;
1979        }
1980    }
1981
1982    return true;
1983}
1984
1985bool ACodec::allYourBuffersAreBelongToUs() {
1986    return allYourBuffersAreBelongToUs(kPortIndexInput)
1987        && allYourBuffersAreBelongToUs(kPortIndexOutput);
1988}
1989
1990void ACodec::deferMessage(const sp<AMessage> &msg) {
1991    bool wasEmptyBefore = mDeferredQueue.empty();
1992    mDeferredQueue.push_back(msg);
1993}
1994
1995void ACodec::processDeferredMessages() {
1996    List<sp<AMessage> > queue = mDeferredQueue;
1997    mDeferredQueue.clear();
1998
1999    List<sp<AMessage> >::iterator it = queue.begin();
2000    while (it != queue.end()) {
2001        onMessageReceived(*it++);
2002    }
2003}
2004
2005void ACodec::sendFormatChange() {
2006    sp<AMessage> notify = mNotify->dup();
2007    notify->setInt32("what", kWhatOutputFormatChanged);
2008
2009    OMX_PARAM_PORTDEFINITIONTYPE def;
2010    InitOMXParams(&def);
2011    def.nPortIndex = kPortIndexOutput;
2012
2013    CHECK_EQ(mOMX->getParameter(
2014                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def)),
2015             (status_t)OK);
2016
2017    CHECK_EQ((int)def.eDir, (int)OMX_DirOutput);
2018
2019    switch (def.eDomain) {
2020        case OMX_PortDomainVideo:
2021        {
2022            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2023
2024            notify->setString("mime", MEDIA_MIMETYPE_VIDEO_RAW);
2025            notify->setInt32("width", videoDef->nFrameWidth);
2026            notify->setInt32("height", videoDef->nFrameHeight);
2027            notify->setInt32("stride", videoDef->nStride);
2028            notify->setInt32("slice-height", videoDef->nSliceHeight);
2029            notify->setInt32("color-format", videoDef->eColorFormat);
2030
2031            OMX_CONFIG_RECTTYPE rect;
2032            InitOMXParams(&rect);
2033            rect.nPortIndex = kPortIndexOutput;
2034
2035            if (mOMX->getConfig(
2036                        mNode, OMX_IndexConfigCommonOutputCrop,
2037                        &rect, sizeof(rect)) != OK) {
2038                rect.nLeft = 0;
2039                rect.nTop = 0;
2040                rect.nWidth = videoDef->nFrameWidth;
2041                rect.nHeight = videoDef->nFrameHeight;
2042            }
2043
2044            CHECK_GE(rect.nLeft, 0);
2045            CHECK_GE(rect.nTop, 0);
2046            CHECK_GE(rect.nWidth, 0u);
2047            CHECK_GE(rect.nHeight, 0u);
2048            CHECK_LE(rect.nLeft + rect.nWidth - 1, videoDef->nFrameWidth);
2049            CHECK_LE(rect.nTop + rect.nHeight - 1, videoDef->nFrameHeight);
2050
2051            notify->setRect(
2052                    "crop",
2053                    rect.nLeft,
2054                    rect.nTop,
2055                    rect.nLeft + rect.nWidth - 1,
2056                    rect.nTop + rect.nHeight - 1);
2057
2058            if (mNativeWindow != NULL) {
2059                android_native_rect_t crop;
2060                crop.left = rect.nLeft;
2061                crop.top = rect.nTop;
2062                crop.right = rect.nLeft + rect.nWidth;
2063                crop.bottom = rect.nTop + rect.nHeight;
2064
2065                CHECK_EQ(0, native_window_set_crop(
2066                            mNativeWindow.get(), &crop));
2067            }
2068            break;
2069        }
2070
2071        case OMX_PortDomainAudio:
2072        {
2073            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2074            CHECK_EQ((int)audioDef->eEncoding, (int)OMX_AUDIO_CodingPCM);
2075
2076            OMX_AUDIO_PARAM_PCMMODETYPE params;
2077            InitOMXParams(&params);
2078            params.nPortIndex = kPortIndexOutput;
2079
2080            CHECK_EQ(mOMX->getParameter(
2081                        mNode, OMX_IndexParamAudioPcm,
2082                        &params, sizeof(params)),
2083                     (status_t)OK);
2084
2085            CHECK(params.nChannels == 1 || params.bInterleaved);
2086            CHECK_EQ(params.nBitPerSample, 16u);
2087            CHECK_EQ((int)params.eNumData, (int)OMX_NumericalDataSigned);
2088            CHECK_EQ((int)params.ePCMMode, (int)OMX_AUDIO_PCMModeLinear);
2089
2090            notify->setString("mime", MEDIA_MIMETYPE_AUDIO_RAW);
2091            notify->setInt32("channel-count", params.nChannels);
2092            notify->setInt32("sample-rate", params.nSamplingRate);
2093            if (mEncoderDelay + mEncoderPadding) {
2094                size_t frameSize = params.nChannels * sizeof(int16_t);
2095                if (mSkipCutBuffer != NULL) {
2096                    size_t prevbufsize = mSkipCutBuffer->size();
2097                    if (prevbufsize != 0) {
2098                        ALOGW("Replacing SkipCutBuffer holding %d bytes", prevbufsize);
2099                    }
2100                }
2101                mSkipCutBuffer = new SkipCutBuffer(mEncoderDelay * frameSize,
2102                                                   mEncoderPadding * frameSize);
2103            }
2104
2105            if (mChannelMaskPresent) {
2106                notify->setInt32("channel-mask", mChannelMask);
2107            }
2108
2109            break;
2110        }
2111
2112        default:
2113            TRESPASS();
2114    }
2115
2116    notify->post();
2117
2118    mSentFormat = true;
2119}
2120
2121void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
2122    sp<AMessage> notify = mNotify->dup();
2123    notify->setInt32("what", ACodec::kWhatError);
2124    notify->setInt32("omx-error", error);
2125    notify->setInt32("err", internalError);
2126    notify->post();
2127}
2128
2129status_t ACodec::pushBlankBuffersToNativeWindow() {
2130    status_t err = NO_ERROR;
2131    ANativeWindowBuffer* anb = NULL;
2132    int numBufs = 0;
2133    int minUndequeuedBufs = 0;
2134
2135    // We need to reconnect to the ANativeWindow as a CPU client to ensure that
2136    // no frames get dropped by SurfaceFlinger assuming that these are video
2137    // frames.
2138    err = native_window_api_disconnect(mNativeWindow.get(),
2139            NATIVE_WINDOW_API_MEDIA);
2140    if (err != NO_ERROR) {
2141        ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2142                strerror(-err), -err);
2143        return err;
2144    }
2145
2146    err = native_window_api_connect(mNativeWindow.get(),
2147            NATIVE_WINDOW_API_CPU);
2148    if (err != NO_ERROR) {
2149        ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2150                strerror(-err), -err);
2151        return err;
2152    }
2153
2154    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
2155            HAL_PIXEL_FORMAT_RGBX_8888);
2156    if (err != NO_ERROR) {
2157        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
2158                strerror(-err), -err);
2159        goto error;
2160    }
2161
2162    err = native_window_set_usage(mNativeWindow.get(),
2163            GRALLOC_USAGE_SW_WRITE_OFTEN);
2164    if (err != NO_ERROR) {
2165        ALOGE("error pushing blank frames: set_usage failed: %s (%d)",
2166                strerror(-err), -err);
2167        goto error;
2168    }
2169
2170    err = mNativeWindow->query(mNativeWindow.get(),
2171            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
2172    if (err != NO_ERROR) {
2173        ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
2174                "failed: %s (%d)", strerror(-err), -err);
2175        goto error;
2176    }
2177
2178    numBufs = minUndequeuedBufs + 1;
2179    err = native_window_set_buffer_count(mNativeWindow.get(), numBufs);
2180    if (err != NO_ERROR) {
2181        ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)",
2182                strerror(-err), -err);
2183        goto error;
2184    }
2185
2186    // We  push numBufs + 1 buffers to ensure that we've drawn into the same
2187    // buffer twice.  This should guarantee that the buffer has been displayed
2188    // on the screen and then been replaced, so an previous video frames are
2189    // guaranteed NOT to be currently displayed.
2190    for (int i = 0; i < numBufs + 1; i++) {
2191        err = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &anb);
2192        if (err != NO_ERROR) {
2193            ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
2194                    strerror(-err), -err);
2195            goto error;
2196        }
2197
2198        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
2199        err = mNativeWindow->lockBuffer(mNativeWindow.get(),
2200                buf->getNativeBuffer());
2201        if (err != NO_ERROR) {
2202            ALOGE("error pushing blank frames: lockBuffer failed: %s (%d)",
2203                    strerror(-err), -err);
2204            goto error;
2205        }
2206
2207        // Fill the buffer with the a 1x1 checkerboard pattern ;)
2208        uint32_t* img = NULL;
2209        err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
2210        if (err != NO_ERROR) {
2211            ALOGE("error pushing blank frames: lock failed: %s (%d)",
2212                    strerror(-err), -err);
2213            goto error;
2214        }
2215
2216        *img = 0;
2217
2218        err = buf->unlock();
2219        if (err != NO_ERROR) {
2220            ALOGE("error pushing blank frames: unlock failed: %s (%d)",
2221                    strerror(-err), -err);
2222            goto error;
2223        }
2224
2225        err = mNativeWindow->queueBuffer(mNativeWindow.get(),
2226                buf->getNativeBuffer());
2227        if (err != NO_ERROR) {
2228            ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)",
2229                    strerror(-err), -err);
2230            goto error;
2231        }
2232
2233        anb = NULL;
2234    }
2235
2236error:
2237
2238    if (err != NO_ERROR) {
2239        // Clean up after an error.
2240        if (anb != NULL) {
2241            mNativeWindow->cancelBuffer(mNativeWindow.get(), anb);
2242        }
2243
2244        native_window_api_disconnect(mNativeWindow.get(),
2245                NATIVE_WINDOW_API_CPU);
2246        native_window_api_connect(mNativeWindow.get(),
2247                NATIVE_WINDOW_API_MEDIA);
2248
2249        return err;
2250    } else {
2251        // Clean up after success.
2252        err = native_window_api_disconnect(mNativeWindow.get(),
2253                NATIVE_WINDOW_API_CPU);
2254        if (err != NO_ERROR) {
2255            ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2256                    strerror(-err), -err);
2257            return err;
2258        }
2259
2260        err = native_window_api_connect(mNativeWindow.get(),
2261                NATIVE_WINDOW_API_MEDIA);
2262        if (err != NO_ERROR) {
2263            ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2264                    strerror(-err), -err);
2265            return err;
2266        }
2267
2268        return NO_ERROR;
2269    }
2270}
2271
2272////////////////////////////////////////////////////////////////////////////////
2273
2274ACodec::PortDescription::PortDescription() {
2275}
2276
2277void ACodec::PortDescription::addBuffer(
2278        IOMX::buffer_id id, const sp<ABuffer> &buffer) {
2279    mBufferIDs.push_back(id);
2280    mBuffers.push_back(buffer);
2281}
2282
2283size_t ACodec::PortDescription::countBuffers() {
2284    return mBufferIDs.size();
2285}
2286
2287IOMX::buffer_id ACodec::PortDescription::bufferIDAt(size_t index) const {
2288    return mBufferIDs.itemAt(index);
2289}
2290
2291sp<ABuffer> ACodec::PortDescription::bufferAt(size_t index) const {
2292    return mBuffers.itemAt(index);
2293}
2294
2295////////////////////////////////////////////////////////////////////////////////
2296
2297ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
2298    : AState(parentState),
2299      mCodec(codec) {
2300}
2301
2302ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(OMX_U32 portIndex) {
2303    return KEEP_BUFFERS;
2304}
2305
2306bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
2307    switch (msg->what()) {
2308        case kWhatInputBufferFilled:
2309        {
2310            onInputBufferFilled(msg);
2311            break;
2312        }
2313
2314        case kWhatOutputBufferDrained:
2315        {
2316            onOutputBufferDrained(msg);
2317            break;
2318        }
2319
2320        case ACodec::kWhatOMXMessage:
2321        {
2322            return onOMXMessage(msg);
2323        }
2324
2325        default:
2326            return false;
2327    }
2328
2329    return true;
2330}
2331
2332bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
2333    int32_t type;
2334    CHECK(msg->findInt32("type", &type));
2335
2336    IOMX::node_id nodeID;
2337    CHECK(msg->findPointer("node", &nodeID));
2338    CHECK_EQ(nodeID, mCodec->mNode);
2339
2340    switch (type) {
2341        case omx_message::EVENT:
2342        {
2343            int32_t event, data1, data2;
2344            CHECK(msg->findInt32("event", &event));
2345            CHECK(msg->findInt32("data1", &data1));
2346            CHECK(msg->findInt32("data2", &data2));
2347
2348            if (event == OMX_EventCmdComplete
2349                    && data1 == OMX_CommandFlush
2350                    && data2 == (int32_t)OMX_ALL) {
2351                // Use of this notification is not consistent across
2352                // implementations. We'll drop this notification and rely
2353                // on flush-complete notifications on the individual port
2354                // indices instead.
2355
2356                return true;
2357            }
2358
2359            return onOMXEvent(
2360                    static_cast<OMX_EVENTTYPE>(event),
2361                    static_cast<OMX_U32>(data1),
2362                    static_cast<OMX_U32>(data2));
2363        }
2364
2365        case omx_message::EMPTY_BUFFER_DONE:
2366        {
2367            IOMX::buffer_id bufferID;
2368            CHECK(msg->findPointer("buffer", &bufferID));
2369
2370            return onOMXEmptyBufferDone(bufferID);
2371        }
2372
2373        case omx_message::FILL_BUFFER_DONE:
2374        {
2375            IOMX::buffer_id bufferID;
2376            CHECK(msg->findPointer("buffer", &bufferID));
2377
2378            int32_t rangeOffset, rangeLength, flags;
2379            int64_t timeUs;
2380            void *platformPrivate;
2381            void *dataPtr;
2382
2383            CHECK(msg->findInt32("range_offset", &rangeOffset));
2384            CHECK(msg->findInt32("range_length", &rangeLength));
2385            CHECK(msg->findInt32("flags", &flags));
2386            CHECK(msg->findInt64("timestamp", &timeUs));
2387            CHECK(msg->findPointer("platform_private", &platformPrivate));
2388            CHECK(msg->findPointer("data_ptr", &dataPtr));
2389
2390            return onOMXFillBufferDone(
2391                    bufferID,
2392                    (size_t)rangeOffset, (size_t)rangeLength,
2393                    (OMX_U32)flags,
2394                    timeUs,
2395                    platformPrivate,
2396                    dataPtr);
2397        }
2398
2399        default:
2400            TRESPASS();
2401            break;
2402    }
2403}
2404
2405bool ACodec::BaseState::onOMXEvent(
2406        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
2407    if (event != OMX_EventError) {
2408        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
2409             mCodec->mComponentName.c_str(), event, data1, data2);
2410
2411        return false;
2412    }
2413
2414    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
2415
2416    mCodec->signalError((OMX_ERRORTYPE)data1);
2417
2418    return true;
2419}
2420
2421bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
2422    ALOGV("[%s] onOMXEmptyBufferDone %p",
2423         mCodec->mComponentName.c_str(), bufferID);
2424
2425    BufferInfo *info =
2426        mCodec->findBufferByID(kPortIndexInput, bufferID);
2427
2428    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2429    info->mStatus = BufferInfo::OWNED_BY_US;
2430
2431    PortMode mode = getPortMode(kPortIndexInput);
2432
2433    switch (mode) {
2434        case KEEP_BUFFERS:
2435            break;
2436
2437        case RESUBMIT_BUFFERS:
2438            postFillThisBuffer(info);
2439            break;
2440
2441        default:
2442        {
2443            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2444            TRESPASS();  // Not currently used
2445            break;
2446        }
2447    }
2448
2449    return true;
2450}
2451
2452void ACodec::BaseState::postFillThisBuffer(BufferInfo *info) {
2453    if (mCodec->mPortEOS[kPortIndexInput]) {
2454        return;
2455    }
2456
2457    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
2458
2459    sp<AMessage> notify = mCodec->mNotify->dup();
2460    notify->setInt32("what", ACodec::kWhatFillThisBuffer);
2461    notify->setPointer("buffer-id", info->mBufferID);
2462
2463    info->mData->meta()->clear();
2464    notify->setBuffer("buffer", info->mData);
2465
2466    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, mCodec->id());
2467    reply->setPointer("buffer-id", info->mBufferID);
2468
2469    notify->setMessage("reply", reply);
2470
2471    notify->post();
2472
2473    info->mStatus = BufferInfo::OWNED_BY_UPSTREAM;
2474}
2475
2476void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
2477    IOMX::buffer_id bufferID;
2478    CHECK(msg->findPointer("buffer-id", &bufferID));
2479
2480    sp<ABuffer> buffer;
2481    int32_t err = OK;
2482    bool eos = false;
2483
2484    if (!msg->findBuffer("buffer", &buffer)) {
2485        CHECK(msg->findInt32("err", &err));
2486
2487        ALOGV("[%s] saw error %d instead of an input buffer",
2488             mCodec->mComponentName.c_str(), err);
2489
2490        buffer.clear();
2491
2492        eos = true;
2493    }
2494
2495    int32_t tmp;
2496    if (buffer != NULL && buffer->meta()->findInt32("eos", &tmp) && tmp) {
2497        eos = true;
2498        err = ERROR_END_OF_STREAM;
2499    }
2500
2501    BufferInfo *info = mCodec->findBufferByID(kPortIndexInput, bufferID);
2502    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_UPSTREAM);
2503
2504    info->mStatus = BufferInfo::OWNED_BY_US;
2505
2506    PortMode mode = getPortMode(kPortIndexInput);
2507
2508    switch (mode) {
2509        case KEEP_BUFFERS:
2510        {
2511            if (eos) {
2512                if (!mCodec->mPortEOS[kPortIndexInput]) {
2513                    mCodec->mPortEOS[kPortIndexInput] = true;
2514                    mCodec->mInputEOSResult = err;
2515                }
2516            }
2517            break;
2518        }
2519
2520        case RESUBMIT_BUFFERS:
2521        {
2522            if (buffer != NULL && !mCodec->mPortEOS[kPortIndexInput]) {
2523                int64_t timeUs;
2524                CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2525
2526                OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
2527
2528                int32_t isCSD;
2529                if (buffer->meta()->findInt32("csd", &isCSD) && isCSD != 0) {
2530                    flags |= OMX_BUFFERFLAG_CODECCONFIG;
2531                }
2532
2533                if (eos) {
2534                    flags |= OMX_BUFFERFLAG_EOS;
2535                }
2536
2537                if (buffer != info->mData) {
2538                    if (0 && !(flags & OMX_BUFFERFLAG_CODECCONFIG)) {
2539                        ALOGV("[%s] Needs to copy input data.",
2540                             mCodec->mComponentName.c_str());
2541                    }
2542
2543                    CHECK_LE(buffer->size(), info->mData->capacity());
2544                    memcpy(info->mData->data(), buffer->data(), buffer->size());
2545                }
2546
2547                if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
2548                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
2549                         mCodec->mComponentName.c_str(), bufferID);
2550                } else if (flags & OMX_BUFFERFLAG_EOS) {
2551                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
2552                         mCodec->mComponentName.c_str(), bufferID);
2553                } else {
2554                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
2555                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2556                }
2557
2558                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2559                            mCodec->mNode,
2560                            bufferID,
2561                            0,
2562                            buffer->size(),
2563                            flags,
2564                            timeUs),
2565                         (status_t)OK);
2566
2567                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2568
2569                if (!eos) {
2570                    getMoreInputDataIfPossible();
2571                } else {
2572                    ALOGV("[%s] Signalled EOS on the input port",
2573                         mCodec->mComponentName.c_str());
2574
2575                    mCodec->mPortEOS[kPortIndexInput] = true;
2576                    mCodec->mInputEOSResult = err;
2577                }
2578            } else if (!mCodec->mPortEOS[kPortIndexInput]) {
2579                if (err != ERROR_END_OF_STREAM) {
2580                    ALOGV("[%s] Signalling EOS on the input port "
2581                         "due to error %d",
2582                         mCodec->mComponentName.c_str(), err);
2583                } else {
2584                    ALOGV("[%s] Signalling EOS on the input port",
2585                         mCodec->mComponentName.c_str());
2586                }
2587
2588                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
2589                     mCodec->mComponentName.c_str(), bufferID);
2590
2591                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2592                            mCodec->mNode,
2593                            bufferID,
2594                            0,
2595                            0,
2596                            OMX_BUFFERFLAG_EOS,
2597                            0),
2598                         (status_t)OK);
2599
2600                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2601
2602                mCodec->mPortEOS[kPortIndexInput] = true;
2603                mCodec->mInputEOSResult = err;
2604            }
2605            break;
2606
2607            default:
2608                CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2609                break;
2610        }
2611    }
2612}
2613
2614void ACodec::BaseState::getMoreInputDataIfPossible() {
2615    if (mCodec->mPortEOS[kPortIndexInput]) {
2616        return;
2617    }
2618
2619    BufferInfo *eligible = NULL;
2620
2621    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
2622        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
2623
2624#if 0
2625        if (info->mStatus == BufferInfo::OWNED_BY_UPSTREAM) {
2626            // There's already a "read" pending.
2627            return;
2628        }
2629#endif
2630
2631        if (info->mStatus == BufferInfo::OWNED_BY_US) {
2632            eligible = info;
2633        }
2634    }
2635
2636    if (eligible == NULL) {
2637        return;
2638    }
2639
2640    postFillThisBuffer(eligible);
2641}
2642
2643bool ACodec::BaseState::onOMXFillBufferDone(
2644        IOMX::buffer_id bufferID,
2645        size_t rangeOffset, size_t rangeLength,
2646        OMX_U32 flags,
2647        int64_t timeUs,
2648        void *platformPrivate,
2649        void *dataPtr) {
2650    ALOGV("[%s] onOMXFillBufferDone %p time %lld us, flags = 0x%08lx",
2651         mCodec->mComponentName.c_str(), bufferID, timeUs, flags);
2652
2653    ssize_t index;
2654    BufferInfo *info =
2655        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
2656
2657    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2658
2659    info->mStatus = BufferInfo::OWNED_BY_US;
2660
2661    PortMode mode = getPortMode(kPortIndexOutput);
2662
2663    switch (mode) {
2664        case KEEP_BUFFERS:
2665            break;
2666
2667        case RESUBMIT_BUFFERS:
2668        {
2669            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
2670                ALOGV("[%s] calling fillBuffer %p",
2671                     mCodec->mComponentName.c_str(), info->mBufferID);
2672
2673                CHECK_EQ(mCodec->mOMX->fillBuffer(
2674                            mCodec->mNode, info->mBufferID),
2675                         (status_t)OK);
2676
2677                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2678                break;
2679            }
2680
2681            if (!mCodec->mIsEncoder && !mCodec->mSentFormat) {
2682                mCodec->sendFormatChange();
2683            }
2684
2685            if (mCodec->mNativeWindow == NULL) {
2686                info->mData->setRange(rangeOffset, rangeLength);
2687            }
2688
2689            if (mCodec->mSkipCutBuffer != NULL) {
2690                mCodec->mSkipCutBuffer->submit(info->mData);
2691            }
2692            info->mData->meta()->setInt64("timeUs", timeUs);
2693
2694            sp<AMessage> notify = mCodec->mNotify->dup();
2695            notify->setInt32("what", ACodec::kWhatDrainThisBuffer);
2696            notify->setPointer("buffer-id", info->mBufferID);
2697            notify->setBuffer("buffer", info->mData);
2698            notify->setInt32("flags", flags);
2699
2700            sp<AMessage> reply =
2701                new AMessage(kWhatOutputBufferDrained, mCodec->id());
2702
2703            reply->setPointer("buffer-id", info->mBufferID);
2704
2705            notify->setMessage("reply", reply);
2706
2707            notify->post();
2708
2709            info->mStatus = BufferInfo::OWNED_BY_DOWNSTREAM;
2710
2711            if (flags & OMX_BUFFERFLAG_EOS) {
2712                ALOGV("[%s] saw output EOS", mCodec->mComponentName.c_str());
2713
2714                sp<AMessage> notify = mCodec->mNotify->dup();
2715                notify->setInt32("what", ACodec::kWhatEOS);
2716                notify->setInt32("err", mCodec->mInputEOSResult);
2717                notify->post();
2718
2719                mCodec->mPortEOS[kPortIndexOutput] = true;
2720            }
2721            break;
2722        }
2723
2724        default:
2725        {
2726            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2727
2728            CHECK_EQ((status_t)OK,
2729                     mCodec->freeBuffer(kPortIndexOutput, index));
2730            break;
2731        }
2732    }
2733
2734    return true;
2735}
2736
2737void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
2738    IOMX::buffer_id bufferID;
2739    CHECK(msg->findPointer("buffer-id", &bufferID));
2740
2741    ssize_t index;
2742    BufferInfo *info =
2743        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
2744    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
2745
2746    int32_t render;
2747    if (mCodec->mNativeWindow != NULL
2748            && msg->findInt32("render", &render) && render != 0) {
2749        // The client wants this buffer to be rendered.
2750
2751        status_t err;
2752        if ((err = mCodec->mNativeWindow->queueBuffer(
2753                    mCodec->mNativeWindow.get(),
2754                    info->mGraphicBuffer.get())) == OK) {
2755            info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
2756        } else {
2757            mCodec->signalError(OMX_ErrorUndefined, err);
2758            info->mStatus = BufferInfo::OWNED_BY_US;
2759        }
2760    } else {
2761        info->mStatus = BufferInfo::OWNED_BY_US;
2762    }
2763
2764    PortMode mode = getPortMode(kPortIndexOutput);
2765
2766    switch (mode) {
2767        case KEEP_BUFFERS:
2768        {
2769            // XXX fishy, revisit!!! What about the FREE_BUFFERS case below?
2770
2771            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2772                // We cannot resubmit the buffer we just rendered, dequeue
2773                // the spare instead.
2774
2775                info = mCodec->dequeueBufferFromNativeWindow();
2776            }
2777            break;
2778        }
2779
2780        case RESUBMIT_BUFFERS:
2781        {
2782            if (!mCodec->mPortEOS[kPortIndexOutput]) {
2783                if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2784                    // We cannot resubmit the buffer we just rendered, dequeue
2785                    // the spare instead.
2786
2787                    info = mCodec->dequeueBufferFromNativeWindow();
2788                }
2789
2790                if (info != NULL) {
2791                    ALOGV("[%s] calling fillBuffer %p",
2792                         mCodec->mComponentName.c_str(), info->mBufferID);
2793
2794                    CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
2795                             (status_t)OK);
2796
2797                    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2798                }
2799            }
2800            break;
2801        }
2802
2803        default:
2804        {
2805            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2806
2807            CHECK_EQ((status_t)OK,
2808                     mCodec->freeBuffer(kPortIndexOutput, index));
2809            break;
2810        }
2811    }
2812}
2813
2814////////////////////////////////////////////////////////////////////////////////
2815
2816ACodec::UninitializedState::UninitializedState(ACodec *codec)
2817    : BaseState(codec) {
2818}
2819
2820void ACodec::UninitializedState::stateEntered() {
2821    ALOGV("Now uninitialized");
2822}
2823
2824bool ACodec::UninitializedState::onMessageReceived(const sp<AMessage> &msg) {
2825    bool handled = false;
2826
2827    switch (msg->what()) {
2828        case ACodec::kWhatSetup:
2829        {
2830            onSetup(msg);
2831
2832            handled = true;
2833            break;
2834        }
2835
2836        case ACodec::kWhatAllocateComponent:
2837        {
2838            onAllocateComponent(msg);
2839            handled = true;
2840            break;
2841        }
2842
2843        case ACodec::kWhatShutdown:
2844        {
2845            int32_t keepComponentAllocated;
2846            CHECK(msg->findInt32(
2847                        "keepComponentAllocated", &keepComponentAllocated));
2848            CHECK(!keepComponentAllocated);
2849
2850            sp<AMessage> notify = mCodec->mNotify->dup();
2851            notify->setInt32("what", ACodec::kWhatShutdownCompleted);
2852            notify->post();
2853
2854            handled = true;
2855            break;
2856        }
2857
2858        case ACodec::kWhatFlush:
2859        {
2860            sp<AMessage> notify = mCodec->mNotify->dup();
2861            notify->setInt32("what", ACodec::kWhatFlushCompleted);
2862            notify->post();
2863
2864            handled = true;
2865            break;
2866        }
2867
2868        default:
2869            return BaseState::onMessageReceived(msg);
2870    }
2871
2872    return handled;
2873}
2874
2875void ACodec::UninitializedState::onSetup(
2876        const sp<AMessage> &msg) {
2877    if (onAllocateComponent(msg)
2878            && mCodec->mLoadedState->onConfigureComponent(msg)) {
2879        mCodec->mLoadedState->onStart();
2880    }
2881}
2882
2883bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
2884    ALOGV("onAllocateComponent");
2885
2886    CHECK(mCodec->mNode == NULL);
2887
2888    OMXClient client;
2889    CHECK_EQ(client.connect(), (status_t)OK);
2890
2891    sp<IOMX> omx = client.interface();
2892
2893    Vector<String8> matchingCodecs;
2894    Vector<uint32_t> matchingCodecQuirks;
2895
2896    AString mime;
2897
2898    AString componentName;
2899    uint32_t quirks;
2900    if (msg->findString("componentName", &componentName)) {
2901        matchingCodecs.push_back(String8(componentName.c_str()));
2902
2903        if (!OMXCodec::findCodecQuirks(componentName.c_str(), &quirks)) {
2904            quirks = 0;
2905        }
2906        matchingCodecQuirks.push_back(quirks);
2907    } else {
2908        CHECK(msg->findString("mime", &mime));
2909
2910        int32_t encoder;
2911        if (!msg->findInt32("encoder", &encoder)) {
2912            encoder = false;
2913        }
2914
2915        OMXCodec::findMatchingCodecs(
2916                mime.c_str(),
2917                encoder, // createEncoder
2918                NULL,  // matchComponentName
2919                0,     // flags
2920                &matchingCodecs,
2921                &matchingCodecQuirks);
2922    }
2923
2924    sp<CodecObserver> observer = new CodecObserver;
2925    IOMX::node_id node = NULL;
2926
2927    for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
2928            ++matchIndex) {
2929        componentName = matchingCodecs.itemAt(matchIndex).string();
2930        quirks = matchingCodecQuirks.itemAt(matchIndex);
2931
2932        pid_t tid = androidGetTid();
2933        int prevPriority = androidGetThreadPriority(tid);
2934        androidSetThreadPriority(tid, ANDROID_PRIORITY_FOREGROUND);
2935        status_t err = omx->allocateNode(componentName.c_str(), observer, &node);
2936        androidSetThreadPriority(tid, prevPriority);
2937
2938        if (err == OK) {
2939            break;
2940        }
2941
2942        node = NULL;
2943    }
2944
2945    if (node == NULL) {
2946        if (!mime.empty()) {
2947            ALOGE("Unable to instantiate a decoder for type '%s'.",
2948                 mime.c_str());
2949        } else {
2950            ALOGE("Unable to instantiate decoder '%s'.", componentName.c_str());
2951        }
2952
2953        mCodec->signalError(OMX_ErrorComponentNotFound);
2954        return false;
2955    }
2956
2957    sp<AMessage> notify = new AMessage(kWhatOMXMessage, mCodec->id());
2958    observer->setNotificationMessage(notify);
2959
2960    mCodec->mComponentName = componentName;
2961    mCodec->mFlags = 0;
2962
2963    if (componentName.endsWith(".secure")) {
2964        mCodec->mFlags |= kFlagIsSecure;
2965    }
2966
2967    mCodec->mQuirks = quirks;
2968    mCodec->mOMX = omx;
2969    mCodec->mNode = node;
2970
2971    mCodec->mPortEOS[kPortIndexInput] =
2972        mCodec->mPortEOS[kPortIndexOutput] = false;
2973
2974    mCodec->mInputEOSResult = OK;
2975
2976    {
2977        sp<AMessage> notify = mCodec->mNotify->dup();
2978        notify->setInt32("what", ACodec::kWhatComponentAllocated);
2979        notify->setString("componentName", mCodec->mComponentName.c_str());
2980        notify->post();
2981    }
2982
2983    mCodec->changeState(mCodec->mLoadedState);
2984
2985    return true;
2986}
2987
2988////////////////////////////////////////////////////////////////////////////////
2989
2990ACodec::LoadedState::LoadedState(ACodec *codec)
2991    : BaseState(codec) {
2992}
2993
2994void ACodec::LoadedState::stateEntered() {
2995    ALOGV("[%s] Now Loaded", mCodec->mComponentName.c_str());
2996
2997    if (mCodec->mShutdownInProgress) {
2998        bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
2999
3000        mCodec->mShutdownInProgress = false;
3001        mCodec->mKeepComponentAllocated = false;
3002
3003        onShutdown(keepComponentAllocated);
3004    }
3005}
3006
3007void ACodec::LoadedState::onShutdown(bool keepComponentAllocated) {
3008    if (!keepComponentAllocated) {
3009        CHECK_EQ(mCodec->mOMX->freeNode(mCodec->mNode), (status_t)OK);
3010
3011        mCodec->mNativeWindow.clear();
3012        mCodec->mNode = NULL;
3013        mCodec->mOMX.clear();
3014        mCodec->mQuirks = 0;
3015        mCodec->mFlags = 0;
3016        mCodec->mComponentName.clear();
3017
3018        mCodec->changeState(mCodec->mUninitializedState);
3019    }
3020
3021    sp<AMessage> notify = mCodec->mNotify->dup();
3022    notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3023    notify->post();
3024}
3025
3026bool ACodec::LoadedState::onMessageReceived(const sp<AMessage> &msg) {
3027    bool handled = false;
3028
3029    switch (msg->what()) {
3030        case ACodec::kWhatConfigureComponent:
3031        {
3032            onConfigureComponent(msg);
3033            handled = true;
3034            break;
3035        }
3036
3037        case ACodec::kWhatStart:
3038        {
3039            onStart();
3040            handled = true;
3041            break;
3042        }
3043
3044        case ACodec::kWhatShutdown:
3045        {
3046            int32_t keepComponentAllocated;
3047            CHECK(msg->findInt32(
3048                        "keepComponentAllocated", &keepComponentAllocated));
3049
3050            onShutdown(keepComponentAllocated);
3051
3052            handled = true;
3053            break;
3054        }
3055
3056        case ACodec::kWhatFlush:
3057        {
3058            sp<AMessage> notify = mCodec->mNotify->dup();
3059            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3060            notify->post();
3061
3062            handled = true;
3063            break;
3064        }
3065
3066        default:
3067            return BaseState::onMessageReceived(msg);
3068    }
3069
3070    return handled;
3071}
3072
3073bool ACodec::LoadedState::onConfigureComponent(
3074        const sp<AMessage> &msg) {
3075    ALOGV("onConfigureComponent");
3076
3077    CHECK(mCodec->mNode != NULL);
3078
3079    AString mime;
3080    CHECK(msg->findString("mime", &mime));
3081
3082    status_t err = mCodec->configureCodec(mime.c_str(), msg);
3083
3084    if (err != OK) {
3085        ALOGE("[%s] configureCodec returning error %d",
3086              mCodec->mComponentName.c_str(), err);
3087
3088        mCodec->signalError(OMX_ErrorUndefined, err);
3089        return false;
3090    }
3091
3092    sp<RefBase> obj;
3093    if (msg->findObject("native-window", &obj)
3094            && strncmp("OMX.google.", mCodec->mComponentName.c_str(), 11)) {
3095        sp<NativeWindowWrapper> nativeWindow(
3096                static_cast<NativeWindowWrapper *>(obj.get()));
3097        CHECK(nativeWindow != NULL);
3098        mCodec->mNativeWindow = nativeWindow->getNativeWindow();
3099
3100        native_window_set_scaling_mode(
3101                mCodec->mNativeWindow.get(),
3102                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
3103    }
3104    CHECK_EQ((status_t)OK, mCodec->initNativeWindow());
3105
3106    {
3107        sp<AMessage> notify = mCodec->mNotify->dup();
3108        notify->setInt32("what", ACodec::kWhatComponentConfigured);
3109        notify->post();
3110    }
3111
3112    return true;
3113}
3114
3115void ACodec::LoadedState::onStart() {
3116    ALOGV("onStart");
3117
3118    CHECK_EQ(mCodec->mOMX->sendCommand(
3119                mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3120             (status_t)OK);
3121
3122    mCodec->changeState(mCodec->mLoadedToIdleState);
3123}
3124
3125////////////////////////////////////////////////////////////////////////////////
3126
3127ACodec::LoadedToIdleState::LoadedToIdleState(ACodec *codec)
3128    : BaseState(codec) {
3129}
3130
3131void ACodec::LoadedToIdleState::stateEntered() {
3132    ALOGV("[%s] Now Loaded->Idle", mCodec->mComponentName.c_str());
3133
3134    status_t err;
3135    if ((err = allocateBuffers()) != OK) {
3136        ALOGE("Failed to allocate buffers after transitioning to IDLE state "
3137             "(error 0x%08x)",
3138             err);
3139
3140        mCodec->signalError(OMX_ErrorUndefined, err);
3141
3142        mCodec->changeState(mCodec->mLoadedState);
3143    }
3144}
3145
3146status_t ACodec::LoadedToIdleState::allocateBuffers() {
3147    status_t err = mCodec->allocateBuffersOnPort(kPortIndexInput);
3148
3149    if (err != OK) {
3150        return err;
3151    }
3152
3153    return mCodec->allocateBuffersOnPort(kPortIndexOutput);
3154}
3155
3156bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
3157    switch (msg->what()) {
3158        case kWhatShutdown:
3159        {
3160            mCodec->deferMessage(msg);
3161            return true;
3162        }
3163
3164        default:
3165            return BaseState::onMessageReceived(msg);
3166    }
3167}
3168
3169bool ACodec::LoadedToIdleState::onOMXEvent(
3170        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3171    switch (event) {
3172        case OMX_EventCmdComplete:
3173        {
3174            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3175            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
3176
3177            CHECK_EQ(mCodec->mOMX->sendCommand(
3178                        mCodec->mNode, OMX_CommandStateSet, OMX_StateExecuting),
3179                     (status_t)OK);
3180
3181            mCodec->changeState(mCodec->mIdleToExecutingState);
3182
3183            return true;
3184        }
3185
3186        default:
3187            return BaseState::onOMXEvent(event, data1, data2);
3188    }
3189}
3190
3191////////////////////////////////////////////////////////////////////////////////
3192
3193ACodec::IdleToExecutingState::IdleToExecutingState(ACodec *codec)
3194    : BaseState(codec) {
3195}
3196
3197void ACodec::IdleToExecutingState::stateEntered() {
3198    ALOGV("[%s] Now Idle->Executing", mCodec->mComponentName.c_str());
3199}
3200
3201bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3202    switch (msg->what()) {
3203        case kWhatShutdown:
3204        {
3205            mCodec->deferMessage(msg);
3206            return true;
3207        }
3208
3209        default:
3210            return BaseState::onMessageReceived(msg);
3211    }
3212}
3213
3214bool ACodec::IdleToExecutingState::onOMXEvent(
3215        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3216    switch (event) {
3217        case OMX_EventCmdComplete:
3218        {
3219            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3220            CHECK_EQ(data2, (OMX_U32)OMX_StateExecuting);
3221
3222            mCodec->mExecutingState->resume();
3223            mCodec->changeState(mCodec->mExecutingState);
3224
3225            return true;
3226        }
3227
3228        default:
3229            return BaseState::onOMXEvent(event, data1, data2);
3230    }
3231}
3232
3233////////////////////////////////////////////////////////////////////////////////
3234
3235ACodec::ExecutingState::ExecutingState(ACodec *codec)
3236    : BaseState(codec),
3237      mActive(false) {
3238}
3239
3240ACodec::BaseState::PortMode ACodec::ExecutingState::getPortMode(
3241        OMX_U32 portIndex) {
3242    return RESUBMIT_BUFFERS;
3243}
3244
3245void ACodec::ExecutingState::submitOutputBuffers() {
3246    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexOutput].size(); ++i) {
3247        BufferInfo *info = &mCodec->mBuffers[kPortIndexOutput].editItemAt(i);
3248
3249        if (mCodec->mNativeWindow != NULL) {
3250            CHECK(info->mStatus == BufferInfo::OWNED_BY_US
3251                    || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
3252
3253            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3254                continue;
3255            }
3256
3257            status_t err = mCodec->mNativeWindow->lockBuffer(
3258                    mCodec->mNativeWindow.get(),
3259                    info->mGraphicBuffer.get());
3260            CHECK_EQ(err, (status_t)OK);
3261        } else {
3262            CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
3263        }
3264
3265        ALOGV("[%s] calling fillBuffer %p",
3266             mCodec->mComponentName.c_str(), info->mBufferID);
3267
3268        CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3269                 (status_t)OK);
3270
3271        info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3272    }
3273}
3274
3275void ACodec::ExecutingState::resume() {
3276    if (mActive) {
3277        ALOGV("[%s] We're already active, no need to resume.",
3278             mCodec->mComponentName.c_str());
3279
3280        return;
3281    }
3282
3283    submitOutputBuffers();
3284
3285    // Post the first input buffer.
3286    CHECK_GT(mCodec->mBuffers[kPortIndexInput].size(), 0u);
3287    BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(0);
3288
3289    postFillThisBuffer(info);
3290
3291    mActive = true;
3292}
3293
3294void ACodec::ExecutingState::stateEntered() {
3295    ALOGV("[%s] Now Executing", mCodec->mComponentName.c_str());
3296
3297    mCodec->processDeferredMessages();
3298}
3299
3300bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3301    bool handled = false;
3302
3303    switch (msg->what()) {
3304        case kWhatShutdown:
3305        {
3306            int32_t keepComponentAllocated;
3307            CHECK(msg->findInt32(
3308                        "keepComponentAllocated", &keepComponentAllocated));
3309
3310            mCodec->mShutdownInProgress = true;
3311            mCodec->mKeepComponentAllocated = keepComponentAllocated;
3312
3313            mActive = false;
3314
3315            CHECK_EQ(mCodec->mOMX->sendCommand(
3316                        mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3317                     (status_t)OK);
3318
3319            mCodec->changeState(mCodec->mExecutingToIdleState);
3320
3321            handled = true;
3322            break;
3323        }
3324
3325        case kWhatFlush:
3326        {
3327            ALOGV("[%s] ExecutingState flushing now "
3328                 "(codec owns %d/%d input, %d/%d output).",
3329                    mCodec->mComponentName.c_str(),
3330                    mCodec->countBuffersOwnedByComponent(kPortIndexInput),
3331                    mCodec->mBuffers[kPortIndexInput].size(),
3332                    mCodec->countBuffersOwnedByComponent(kPortIndexOutput),
3333                    mCodec->mBuffers[kPortIndexOutput].size());
3334
3335            mActive = false;
3336
3337            CHECK_EQ(mCodec->mOMX->sendCommand(
3338                        mCodec->mNode, OMX_CommandFlush, OMX_ALL),
3339                     (status_t)OK);
3340
3341            mCodec->changeState(mCodec->mFlushingState);
3342
3343            handled = true;
3344            break;
3345        }
3346
3347        case kWhatResume:
3348        {
3349            resume();
3350
3351            handled = true;
3352            break;
3353        }
3354
3355        default:
3356            handled = BaseState::onMessageReceived(msg);
3357            break;
3358    }
3359
3360    return handled;
3361}
3362
3363bool ACodec::ExecutingState::onOMXEvent(
3364        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3365    switch (event) {
3366        case OMX_EventPortSettingsChanged:
3367        {
3368            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
3369
3370            if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
3371                CHECK_EQ(mCodec->mOMX->sendCommand(
3372                            mCodec->mNode,
3373                            OMX_CommandPortDisable, kPortIndexOutput),
3374                         (status_t)OK);
3375
3376                mCodec->freeOutputBuffersNotOwnedByComponent();
3377
3378                mCodec->changeState(mCodec->mOutputPortSettingsChangedState);
3379            } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
3380                mCodec->mSentFormat = false;
3381            } else {
3382                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
3383                     mCodec->mComponentName.c_str(), data2);
3384            }
3385
3386            return true;
3387        }
3388
3389        case OMX_EventBufferFlag:
3390        {
3391            return true;
3392        }
3393
3394        default:
3395            return BaseState::onOMXEvent(event, data1, data2);
3396    }
3397}
3398
3399////////////////////////////////////////////////////////////////////////////////
3400
3401ACodec::OutputPortSettingsChangedState::OutputPortSettingsChangedState(
3402        ACodec *codec)
3403    : BaseState(codec) {
3404}
3405
3406ACodec::BaseState::PortMode ACodec::OutputPortSettingsChangedState::getPortMode(
3407        OMX_U32 portIndex) {
3408    if (portIndex == kPortIndexOutput) {
3409        return FREE_BUFFERS;
3410    }
3411
3412    CHECK_EQ(portIndex, (OMX_U32)kPortIndexInput);
3413
3414    return RESUBMIT_BUFFERS;
3415}
3416
3417bool ACodec::OutputPortSettingsChangedState::onMessageReceived(
3418        const sp<AMessage> &msg) {
3419    bool handled = false;
3420
3421    switch (msg->what()) {
3422        case kWhatFlush:
3423        case kWhatShutdown:
3424        case kWhatResume:
3425        {
3426            if (msg->what() == kWhatResume) {
3427                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
3428            }
3429
3430            mCodec->deferMessage(msg);
3431            handled = true;
3432            break;
3433        }
3434
3435        default:
3436            handled = BaseState::onMessageReceived(msg);
3437            break;
3438    }
3439
3440    return handled;
3441}
3442
3443void ACodec::OutputPortSettingsChangedState::stateEntered() {
3444    ALOGV("[%s] Now handling output port settings change",
3445         mCodec->mComponentName.c_str());
3446}
3447
3448bool ACodec::OutputPortSettingsChangedState::onOMXEvent(
3449        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3450    switch (event) {
3451        case OMX_EventCmdComplete:
3452        {
3453            if (data1 == (OMX_U32)OMX_CommandPortDisable) {
3454                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
3455
3456                ALOGV("[%s] Output port now disabled.",
3457                        mCodec->mComponentName.c_str());
3458
3459                CHECK(mCodec->mBuffers[kPortIndexOutput].isEmpty());
3460                mCodec->mDealer[kPortIndexOutput].clear();
3461
3462                CHECK_EQ(mCodec->mOMX->sendCommand(
3463                            mCodec->mNode, OMX_CommandPortEnable, kPortIndexOutput),
3464                         (status_t)OK);
3465
3466                status_t err;
3467                if ((err = mCodec->allocateBuffersOnPort(
3468                                kPortIndexOutput)) != OK) {
3469                    ALOGE("Failed to allocate output port buffers after "
3470                         "port reconfiguration (error 0x%08x)",
3471                         err);
3472
3473                    mCodec->signalError(OMX_ErrorUndefined, err);
3474
3475                    // This is technically not correct, but appears to be
3476                    // the only way to free the component instance.
3477                    // Controlled transitioning from excecuting->idle
3478                    // and idle->loaded seem impossible probably because
3479                    // the output port never finishes re-enabling.
3480                    mCodec->mShutdownInProgress = true;
3481                    mCodec->mKeepComponentAllocated = false;
3482                    mCodec->changeState(mCodec->mLoadedState);
3483                }
3484
3485                return true;
3486            } else if (data1 == (OMX_U32)OMX_CommandPortEnable) {
3487                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
3488
3489                mCodec->mSentFormat = false;
3490
3491                ALOGV("[%s] Output port now reenabled.",
3492                        mCodec->mComponentName.c_str());
3493
3494                if (mCodec->mExecutingState->active()) {
3495                    mCodec->mExecutingState->submitOutputBuffers();
3496                }
3497
3498                mCodec->changeState(mCodec->mExecutingState);
3499
3500                return true;
3501            }
3502
3503            return false;
3504        }
3505
3506        default:
3507            return false;
3508    }
3509}
3510
3511////////////////////////////////////////////////////////////////////////////////
3512
3513ACodec::ExecutingToIdleState::ExecutingToIdleState(ACodec *codec)
3514    : BaseState(codec),
3515      mComponentNowIdle(false) {
3516}
3517
3518bool ACodec::ExecutingToIdleState::onMessageReceived(const sp<AMessage> &msg) {
3519    bool handled = false;
3520
3521    switch (msg->what()) {
3522        case kWhatFlush:
3523        {
3524            // Don't send me a flush request if you previously wanted me
3525            // to shutdown.
3526            TRESPASS();
3527            break;
3528        }
3529
3530        case kWhatShutdown:
3531        {
3532            // We're already doing that...
3533
3534            handled = true;
3535            break;
3536        }
3537
3538        default:
3539            handled = BaseState::onMessageReceived(msg);
3540            break;
3541    }
3542
3543    return handled;
3544}
3545
3546void ACodec::ExecutingToIdleState::stateEntered() {
3547    ALOGV("[%s] Now Executing->Idle", mCodec->mComponentName.c_str());
3548
3549    mComponentNowIdle = false;
3550    mCodec->mSentFormat = false;
3551}
3552
3553bool ACodec::ExecutingToIdleState::onOMXEvent(
3554        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3555    switch (event) {
3556        case OMX_EventCmdComplete:
3557        {
3558            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3559            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
3560
3561            mComponentNowIdle = true;
3562
3563            changeStateIfWeOwnAllBuffers();
3564
3565            return true;
3566        }
3567
3568        case OMX_EventPortSettingsChanged:
3569        case OMX_EventBufferFlag:
3570        {
3571            // We're shutting down and don't care about this anymore.
3572            return true;
3573        }
3574
3575        default:
3576            return BaseState::onOMXEvent(event, data1, data2);
3577    }
3578}
3579
3580void ACodec::ExecutingToIdleState::changeStateIfWeOwnAllBuffers() {
3581    if (mComponentNowIdle && mCodec->allYourBuffersAreBelongToUs()) {
3582        CHECK_EQ(mCodec->mOMX->sendCommand(
3583                    mCodec->mNode, OMX_CommandStateSet, OMX_StateLoaded),
3584                 (status_t)OK);
3585
3586        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexInput), (status_t)OK);
3587        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexOutput), (status_t)OK);
3588
3589        if (mCodec->mFlags & kFlagIsSecure && mCodec->mNativeWindow != NULL) {
3590            // We push enough 1x1 blank buffers to ensure that one of
3591            // them has made it to the display.  This allows the OMX
3592            // component teardown to zero out any protected buffers
3593            // without the risk of scanning out one of those buffers.
3594            mCodec->pushBlankBuffersToNativeWindow();
3595        }
3596
3597        mCodec->changeState(mCodec->mIdleToLoadedState);
3598    }
3599}
3600
3601void ACodec::ExecutingToIdleState::onInputBufferFilled(
3602        const sp<AMessage> &msg) {
3603    BaseState::onInputBufferFilled(msg);
3604
3605    changeStateIfWeOwnAllBuffers();
3606}
3607
3608void ACodec::ExecutingToIdleState::onOutputBufferDrained(
3609        const sp<AMessage> &msg) {
3610    BaseState::onOutputBufferDrained(msg);
3611
3612    changeStateIfWeOwnAllBuffers();
3613}
3614
3615////////////////////////////////////////////////////////////////////////////////
3616
3617ACodec::IdleToLoadedState::IdleToLoadedState(ACodec *codec)
3618    : BaseState(codec) {
3619}
3620
3621bool ACodec::IdleToLoadedState::onMessageReceived(const sp<AMessage> &msg) {
3622    bool handled = false;
3623
3624    switch (msg->what()) {
3625        case kWhatShutdown:
3626        {
3627            // We're already doing that...
3628
3629            handled = true;
3630            break;
3631        }
3632
3633        case kWhatFlush:
3634        {
3635            // Don't send me a flush request if you previously wanted me
3636            // to shutdown.
3637            TRESPASS();
3638            break;
3639        }
3640
3641        default:
3642            handled = BaseState::onMessageReceived(msg);
3643            break;
3644    }
3645
3646    return handled;
3647}
3648
3649void ACodec::IdleToLoadedState::stateEntered() {
3650    ALOGV("[%s] Now Idle->Loaded", mCodec->mComponentName.c_str());
3651}
3652
3653bool ACodec::IdleToLoadedState::onOMXEvent(
3654        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3655    switch (event) {
3656        case OMX_EventCmdComplete:
3657        {
3658            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3659            CHECK_EQ(data2, (OMX_U32)OMX_StateLoaded);
3660
3661            mCodec->changeState(mCodec->mLoadedState);
3662
3663            return true;
3664        }
3665
3666        default:
3667            return BaseState::onOMXEvent(event, data1, data2);
3668    }
3669}
3670
3671////////////////////////////////////////////////////////////////////////////////
3672
3673ACodec::FlushingState::FlushingState(ACodec *codec)
3674    : BaseState(codec) {
3675}
3676
3677void ACodec::FlushingState::stateEntered() {
3678    ALOGV("[%s] Now Flushing", mCodec->mComponentName.c_str());
3679
3680    mFlushComplete[kPortIndexInput] = mFlushComplete[kPortIndexOutput] = false;
3681}
3682
3683bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
3684    bool handled = false;
3685
3686    switch (msg->what()) {
3687        case kWhatShutdown:
3688        {
3689            mCodec->deferMessage(msg);
3690            break;
3691        }
3692
3693        case kWhatFlush:
3694        {
3695            // We're already doing this right now.
3696            handled = true;
3697            break;
3698        }
3699
3700        default:
3701            handled = BaseState::onMessageReceived(msg);
3702            break;
3703    }
3704
3705    return handled;
3706}
3707
3708bool ACodec::FlushingState::onOMXEvent(
3709        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3710    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
3711            mCodec->mComponentName.c_str(), event, data1);
3712
3713    switch (event) {
3714        case OMX_EventCmdComplete:
3715        {
3716            CHECK_EQ(data1, (OMX_U32)OMX_CommandFlush);
3717
3718            if (data2 == kPortIndexInput || data2 == kPortIndexOutput) {
3719                CHECK(!mFlushComplete[data2]);
3720                mFlushComplete[data2] = true;
3721
3722                if (mFlushComplete[kPortIndexInput]
3723                        && mFlushComplete[kPortIndexOutput]) {
3724                    changeStateIfWeOwnAllBuffers();
3725                }
3726            } else {
3727                CHECK_EQ(data2, OMX_ALL);
3728                CHECK(mFlushComplete[kPortIndexInput]);
3729                CHECK(mFlushComplete[kPortIndexOutput]);
3730
3731                changeStateIfWeOwnAllBuffers();
3732            }
3733
3734            return true;
3735        }
3736
3737        case OMX_EventPortSettingsChanged:
3738        {
3739            sp<AMessage> msg = new AMessage(kWhatOMXMessage, mCodec->id());
3740            msg->setInt32("type", omx_message::EVENT);
3741            msg->setPointer("node", mCodec->mNode);
3742            msg->setInt32("event", event);
3743            msg->setInt32("data1", data1);
3744            msg->setInt32("data2", data2);
3745
3746            ALOGV("[%s] Deferring OMX_EventPortSettingsChanged",
3747                 mCodec->mComponentName.c_str());
3748
3749            mCodec->deferMessage(msg);
3750
3751            return true;
3752        }
3753
3754        default:
3755            return BaseState::onOMXEvent(event, data1, data2);
3756    }
3757
3758    return true;
3759}
3760
3761void ACodec::FlushingState::onOutputBufferDrained(const sp<AMessage> &msg) {
3762    BaseState::onOutputBufferDrained(msg);
3763
3764    changeStateIfWeOwnAllBuffers();
3765}
3766
3767void ACodec::FlushingState::onInputBufferFilled(const sp<AMessage> &msg) {
3768    BaseState::onInputBufferFilled(msg);
3769
3770    changeStateIfWeOwnAllBuffers();
3771}
3772
3773void ACodec::FlushingState::changeStateIfWeOwnAllBuffers() {
3774    if (mFlushComplete[kPortIndexInput]
3775            && mFlushComplete[kPortIndexOutput]
3776            && mCodec->allYourBuffersAreBelongToUs()) {
3777        sp<AMessage> notify = mCodec->mNotify->dup();
3778        notify->setInt32("what", ACodec::kWhatFlushCompleted);
3779        notify->post();
3780
3781        mCodec->mPortEOS[kPortIndexInput] =
3782            mCodec->mPortEOS[kPortIndexOutput] = false;
3783
3784        mCodec->mInputEOSResult = OK;
3785
3786        mCodec->changeState(mCodec->mExecutingState);
3787    }
3788}
3789
3790}  // namespace android
3791