ACodec.cpp revision 7c25df82dfc8bbedb58608242f0d923a4594bb14 
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    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
476        AString name = StringPrintf("buffer-id_%d", i);
477        notify->setPointer(name.c_str(), mBuffers[portIndex][i].mBufferID);
478
479        name = StringPrintf("data_%d", i);
480        notify->setBuffer(name.c_str(), mBuffers[portIndex][i].mData);
481    }
482
483    notify->post();
484
485    return OK;
486}
487
488status_t ACodec::allocateOutputBuffersFromNativeWindow() {
489    OMX_PARAM_PORTDEFINITIONTYPE def;
490    InitOMXParams(&def);
491    def.nPortIndex = kPortIndexOutput;
492
493    status_t err = mOMX->getParameter(
494            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
495
496    if (err != OK) {
497        return err;
498    }
499
500    err = native_window_set_scaling_mode(mNativeWindow.get(),
501            NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
502
503    if (err != OK) {
504        return err;
505    }
506
507    err = native_window_set_buffers_geometry(
508            mNativeWindow.get(),
509            def.format.video.nFrameWidth,
510            def.format.video.nFrameHeight,
511            def.format.video.eColorFormat);
512
513    if (err != 0) {
514        ALOGE("native_window_set_buffers_geometry failed: %s (%d)",
515                strerror(-err), -err);
516        return err;
517    }
518
519    // Set up the native window.
520    OMX_U32 usage = 0;
521    err = mOMX->getGraphicBufferUsage(mNode, kPortIndexOutput, &usage);
522    if (err != 0) {
523        ALOGW("querying usage flags from OMX IL component failed: %d", err);
524        // XXX: Currently this error is logged, but not fatal.
525        usage = 0;
526    }
527
528    err = native_window_set_usage(
529            mNativeWindow.get(),
530            usage | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP);
531
532    if (err != 0) {
533        ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), -err);
534        return err;
535    }
536
537    int minUndequeuedBufs = 0;
538    err = mNativeWindow->query(
539            mNativeWindow.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
540            &minUndequeuedBufs);
541
542    if (err != 0) {
543        ALOGE("NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d)",
544                strerror(-err), -err);
545        return err;
546    }
547
548    // XXX: Is this the right logic to use?  It's not clear to me what the OMX
549    // buffer counts refer to - how do they account for the renderer holding on
550    // to buffers?
551    if (def.nBufferCountActual < def.nBufferCountMin + minUndequeuedBufs) {
552        OMX_U32 newBufferCount = def.nBufferCountMin + minUndequeuedBufs;
553        def.nBufferCountActual = newBufferCount;
554        err = mOMX->setParameter(
555                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
556
557        if (err != OK) {
558            ALOGE("[%s] setting nBufferCountActual to %lu failed: %d",
559                    mComponentName.c_str(), newBufferCount, err);
560            return err;
561        }
562    }
563
564    err = native_window_set_buffer_count(
565            mNativeWindow.get(), def.nBufferCountActual);
566
567    if (err != 0) {
568        ALOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-err),
569                -err);
570        return err;
571    }
572
573    ALOGV("[%s] Allocating %lu buffers from a native window of size %lu on "
574         "output port",
575         mComponentName.c_str(), def.nBufferCountActual, def.nBufferSize);
576
577    // Dequeue buffers and send them to OMX
578    for (OMX_U32 i = 0; i < def.nBufferCountActual; i++) {
579        ANativeWindowBuffer *buf;
580        err = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf);
581        if (err != 0) {
582            ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), -err);
583            break;
584        }
585
586        sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(buf, false));
587        BufferInfo info;
588        info.mStatus = BufferInfo::OWNED_BY_US;
589        info.mData = new ABuffer(0);
590        info.mGraphicBuffer = graphicBuffer;
591        mBuffers[kPortIndexOutput].push(info);
592
593        IOMX::buffer_id bufferId;
594        err = mOMX->useGraphicBuffer(mNode, kPortIndexOutput, graphicBuffer,
595                &bufferId);
596        if (err != 0) {
597            ALOGE("registering GraphicBuffer %lu with OMX IL component failed: "
598                 "%d", i, err);
599            break;
600        }
601
602        mBuffers[kPortIndexOutput].editItemAt(i).mBufferID = bufferId;
603
604        ALOGV("[%s] Registered graphic buffer with ID %p (pointer = %p)",
605             mComponentName.c_str(),
606             bufferId, graphicBuffer.get());
607    }
608
609    OMX_U32 cancelStart;
610    OMX_U32 cancelEnd;
611
612    if (err != 0) {
613        // If an error occurred while dequeuing we need to cancel any buffers
614        // that were dequeued.
615        cancelStart = 0;
616        cancelEnd = mBuffers[kPortIndexOutput].size();
617    } else {
618        // Return the last two buffers to the native window.
619        cancelStart = def.nBufferCountActual - minUndequeuedBufs;
620        cancelEnd = def.nBufferCountActual;
621    }
622
623    for (OMX_U32 i = cancelStart; i < cancelEnd; i++) {
624        BufferInfo *info = &mBuffers[kPortIndexOutput].editItemAt(i);
625        cancelBufferToNativeWindow(info);
626    }
627
628    return err;
629}
630
631status_t ACodec::cancelBufferToNativeWindow(BufferInfo *info) {
632    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
633
634    ALOGV("[%s] Calling cancelBuffer on buffer %p",
635         mComponentName.c_str(), info->mBufferID);
636
637    int err = mNativeWindow->cancelBuffer(
638        mNativeWindow.get(), info->mGraphicBuffer.get());
639
640    CHECK_EQ(err, 0);
641
642    info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
643
644    return OK;
645}
646
647ACodec::BufferInfo *ACodec::dequeueBufferFromNativeWindow() {
648    ANativeWindowBuffer *buf;
649    if (mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf) != 0) {
650        ALOGE("dequeueBuffer failed.");
651        return NULL;
652    }
653
654    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
655        BufferInfo *info =
656            &mBuffers[kPortIndexOutput].editItemAt(i);
657
658        if (info->mGraphicBuffer->handle == buf->handle) {
659            CHECK_EQ((int)info->mStatus,
660                     (int)BufferInfo::OWNED_BY_NATIVE_WINDOW);
661
662            info->mStatus = BufferInfo::OWNED_BY_US;
663
664            return info;
665        }
666    }
667
668    TRESPASS();
669
670    return NULL;
671}
672
673status_t ACodec::freeBuffersOnPort(OMX_U32 portIndex) {
674    for (size_t i = mBuffers[portIndex].size(); i-- > 0;) {
675        CHECK_EQ((status_t)OK, freeBuffer(portIndex, i));
676    }
677
678    mDealer[portIndex].clear();
679
680    return OK;
681}
682
683status_t ACodec::freeOutputBuffersNotOwnedByComponent() {
684    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
685        BufferInfo *info =
686            &mBuffers[kPortIndexOutput].editItemAt(i);
687
688        if (info->mStatus !=
689                BufferInfo::OWNED_BY_COMPONENT) {
690            // We shouldn't have sent out any buffers to the client at this
691            // point.
692            CHECK_NE((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
693
694            CHECK_EQ((status_t)OK, freeBuffer(kPortIndexOutput, i));
695        }
696    }
697
698    return OK;
699}
700
701status_t ACodec::freeBuffer(OMX_U32 portIndex, size_t i) {
702    BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
703
704    CHECK(info->mStatus == BufferInfo::OWNED_BY_US
705            || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
706
707    if (portIndex == kPortIndexOutput && mNativeWindow != NULL
708            && info->mStatus == BufferInfo::OWNED_BY_US) {
709        CHECK_EQ((status_t)OK, cancelBufferToNativeWindow(info));
710    }
711
712    CHECK_EQ(mOMX->freeBuffer(
713                mNode, portIndex, info->mBufferID),
714             (status_t)OK);
715
716    mBuffers[portIndex].removeAt(i);
717
718    return OK;
719}
720
721ACodec::BufferInfo *ACodec::findBufferByID(
722        uint32_t portIndex, IOMX::buffer_id bufferID,
723        ssize_t *index) {
724    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
725        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
726
727        if (info->mBufferID == bufferID) {
728            if (index != NULL) {
729                *index = i;
730            }
731            return info;
732        }
733    }
734
735    TRESPASS();
736
737    return NULL;
738}
739
740status_t ACodec::setComponentRole(
741        bool isEncoder, const char *mime) {
742    struct MimeToRole {
743        const char *mime;
744        const char *decoderRole;
745        const char *encoderRole;
746    };
747
748    static const MimeToRole kMimeToRole[] = {
749        { MEDIA_MIMETYPE_AUDIO_MPEG,
750            "audio_decoder.mp3", "audio_encoder.mp3" },
751        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I,
752            "audio_decoder.mp1", "audio_encoder.mp1" },
753        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II,
754            "audio_decoder.mp2", "audio_encoder.mp2" },
755        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
756            "audio_decoder.amrnb", "audio_encoder.amrnb" },
757        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
758            "audio_decoder.amrwb", "audio_encoder.amrwb" },
759        { MEDIA_MIMETYPE_AUDIO_AAC,
760            "audio_decoder.aac", "audio_encoder.aac" },
761        { MEDIA_MIMETYPE_AUDIO_VORBIS,
762            "audio_decoder.vorbis", "audio_encoder.vorbis" },
763        { MEDIA_MIMETYPE_AUDIO_G711_MLAW,
764            "audio_decoder.g711mlaw", "audio_encoder.g711mlaw" },
765        { MEDIA_MIMETYPE_AUDIO_G711_ALAW,
766            "audio_decoder.g711alaw", "audio_encoder.g711alaw" },
767        { MEDIA_MIMETYPE_VIDEO_AVC,
768            "video_decoder.avc", "video_encoder.avc" },
769        { MEDIA_MIMETYPE_VIDEO_MPEG4,
770            "video_decoder.mpeg4", "video_encoder.mpeg4" },
771        { MEDIA_MIMETYPE_VIDEO_H263,
772            "video_decoder.h263", "video_encoder.h263" },
773        { MEDIA_MIMETYPE_VIDEO_VPX,
774            "video_decoder.vpx", "video_encoder.vpx" },
775        { MEDIA_MIMETYPE_AUDIO_RAW,
776            "audio_decoder.raw", "audio_encoder.raw" },
777    };
778
779    static const size_t kNumMimeToRole =
780        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
781
782    size_t i;
783    for (i = 0; i < kNumMimeToRole; ++i) {
784        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
785            break;
786        }
787    }
788
789    if (i == kNumMimeToRole) {
790        return ERROR_UNSUPPORTED;
791    }
792
793    const char *role =
794        isEncoder ? kMimeToRole[i].encoderRole
795                  : kMimeToRole[i].decoderRole;
796
797    if (role != NULL) {
798        OMX_PARAM_COMPONENTROLETYPE roleParams;
799        InitOMXParams(&roleParams);
800
801        strncpy((char *)roleParams.cRole,
802                role, OMX_MAX_STRINGNAME_SIZE - 1);
803
804        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
805
806        status_t err = mOMX->setParameter(
807                mNode, OMX_IndexParamStandardComponentRole,
808                &roleParams, sizeof(roleParams));
809
810        if (err != OK) {
811            ALOGW("[%s] Failed to set standard component role '%s'.",
812                 mComponentName.c_str(), role);
813
814            return err;
815        }
816    }
817
818    return OK;
819}
820
821status_t ACodec::configureCodec(
822        const char *mime, const sp<AMessage> &msg) {
823    int32_t encoder;
824    if (!msg->findInt32("encoder", &encoder)) {
825        encoder = false;
826    }
827
828    mIsEncoder = encoder;
829
830    status_t err = setComponentRole(encoder /* isEncoder */, mime);
831
832    if (err != OK) {
833        return err;
834    }
835
836    int32_t bitRate = 0;
837    if (encoder && !msg->findInt32("bitrate", &bitRate)) {
838        return INVALID_OPERATION;
839    }
840
841    if (!strncasecmp(mime, "video/", 6)) {
842        if (encoder) {
843            err = setupVideoEncoder(mime, msg);
844        } else {
845            int32_t width, height;
846            if (!msg->findInt32("width", &width)
847                    || !msg->findInt32("height", &height)) {
848                err = INVALID_OPERATION;
849            } else {
850                err = setupVideoDecoder(mime, width, height);
851            }
852        }
853    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
854        int32_t numChannels, sampleRate;
855        if (!msg->findInt32("channel-count", &numChannels)
856                || !msg->findInt32("sample-rate", &sampleRate)) {
857            err = INVALID_OPERATION;
858        } else {
859            int32_t isADTS, aacProfile;
860            if (!msg->findInt32("is-adts", &isADTS)) {
861                isADTS = 0;
862            }
863            if (!msg->findInt32("aac-profile", &aacProfile)) {
864                aacProfile = OMX_AUDIO_AACObjectNull;
865            }
866
867            err = setupAACCodec(
868                    encoder, numChannels, sampleRate, bitRate, aacProfile, isADTS != 0);
869        }
870    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)) {
871        err = setupAMRCodec(encoder, false /* isWAMR */, bitRate);
872    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
873        err = setupAMRCodec(encoder, true /* isWAMR */, bitRate);
874    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_ALAW)
875            || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_MLAW)) {
876        // These are PCM-like formats with a fixed sample rate but
877        // a variable number of channels.
878
879        int32_t numChannels;
880        if (!msg->findInt32("channel-count", &numChannels)) {
881            err = INVALID_OPERATION;
882        } else {
883            err = setupG711Codec(encoder, numChannels);
884        }
885    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
886        int32_t numChannels, sampleRate;
887        if (encoder
888                || !msg->findInt32("channel-count", &numChannels)
889                || !msg->findInt32("sample-rate", &sampleRate)) {
890            err = INVALID_OPERATION;
891        } else {
892            err = setupRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
893        }
894    }
895
896    if (!msg->findInt32("encoder-delay", &mEncoderDelay)) {
897        mEncoderDelay = 0;
898    }
899
900    if (!msg->findInt32("encoder-padding", &mEncoderPadding)) {
901        mEncoderPadding = 0;
902    }
903
904    if (msg->findInt32("channel-mask", &mChannelMask)) {
905        mChannelMaskPresent = true;
906    } else {
907        mChannelMaskPresent = false;
908    }
909
910    int32_t maxInputSize;
911    if (msg->findInt32("max-input-size", &maxInputSize)) {
912        err = setMinBufferSize(kPortIndexInput, (size_t)maxInputSize);
913    } else if (!strcmp("OMX.Nvidia.aac.decoder", mComponentName.c_str())) {
914        err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
915    }
916
917    return err;
918}
919
920status_t ACodec::setMinBufferSize(OMX_U32 portIndex, size_t size) {
921    OMX_PARAM_PORTDEFINITIONTYPE def;
922    InitOMXParams(&def);
923    def.nPortIndex = portIndex;
924
925    status_t err = mOMX->getParameter(
926            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
927
928    if (err != OK) {
929        return err;
930    }
931
932    if (def.nBufferSize >= size) {
933        return OK;
934    }
935
936    def.nBufferSize = size;
937
938    err = mOMX->setParameter(
939            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
940
941    if (err != OK) {
942        return err;
943    }
944
945    err = mOMX->getParameter(
946            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
947
948    if (err != OK) {
949        return err;
950    }
951
952    CHECK(def.nBufferSize >= size);
953
954    return OK;
955}
956
957status_t ACodec::selectAudioPortFormat(
958        OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat) {
959    OMX_AUDIO_PARAM_PORTFORMATTYPE format;
960    InitOMXParams(&format);
961
962    format.nPortIndex = portIndex;
963    for (OMX_U32 index = 0;; ++index) {
964        format.nIndex = index;
965
966        status_t err = mOMX->getParameter(
967                mNode, OMX_IndexParamAudioPortFormat,
968                &format, sizeof(format));
969
970        if (err != OK) {
971            return err;
972        }
973
974        if (format.eEncoding == desiredFormat) {
975            break;
976        }
977    }
978
979    return mOMX->setParameter(
980            mNode, OMX_IndexParamAudioPortFormat, &format, sizeof(format));
981}
982
983status_t ACodec::setupAACCodec(
984        bool encoder, int32_t numChannels, int32_t sampleRate,
985        int32_t bitRate, int32_t aacProfile, bool isADTS) {
986    if (encoder && isADTS) {
987        return -EINVAL;
988    }
989
990    status_t err = setupRawAudioFormat(
991            encoder ? kPortIndexInput : kPortIndexOutput,
992            sampleRate,
993            numChannels);
994
995    if (err != OK) {
996        return err;
997    }
998
999    if (encoder) {
1000        err = selectAudioPortFormat(kPortIndexOutput, OMX_AUDIO_CodingAAC);
1001
1002        if (err != OK) {
1003            return err;
1004        }
1005
1006        OMX_PARAM_PORTDEFINITIONTYPE def;
1007        InitOMXParams(&def);
1008        def.nPortIndex = kPortIndexOutput;
1009
1010        err = mOMX->getParameter(
1011                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1012
1013        if (err != OK) {
1014            return err;
1015        }
1016
1017        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
1018        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
1019
1020        err = mOMX->setParameter(
1021                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1022
1023        if (err != OK) {
1024            return err;
1025        }
1026
1027        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1028        InitOMXParams(&profile);
1029        profile.nPortIndex = kPortIndexOutput;
1030
1031        err = mOMX->getParameter(
1032                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1033
1034        if (err != OK) {
1035            return err;
1036        }
1037
1038        profile.nChannels = numChannels;
1039
1040        profile.eChannelMode =
1041            (numChannels == 1)
1042                ? OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo;
1043
1044        profile.nSampleRate = sampleRate;
1045        profile.nBitRate = bitRate;
1046        profile.nAudioBandWidth = 0;
1047        profile.nFrameLength = 0;
1048        profile.nAACtools = OMX_AUDIO_AACToolAll;
1049        profile.nAACERtools = OMX_AUDIO_AACERNone;
1050        profile.eAACProfile = (OMX_AUDIO_AACPROFILETYPE) aacProfile;
1051        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
1052
1053        err = mOMX->setParameter(
1054                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1055
1056        if (err != OK) {
1057            return err;
1058        }
1059
1060        return err;
1061    }
1062
1063    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1064    InitOMXParams(&profile);
1065    profile.nPortIndex = kPortIndexInput;
1066
1067    err = mOMX->getParameter(
1068            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1069
1070    if (err != OK) {
1071        return err;
1072    }
1073
1074    profile.nChannels = numChannels;
1075    profile.nSampleRate = sampleRate;
1076
1077    profile.eAACStreamFormat =
1078        isADTS
1079            ? OMX_AUDIO_AACStreamFormatMP4ADTS
1080            : OMX_AUDIO_AACStreamFormatMP4FF;
1081
1082    return mOMX->setParameter(
1083            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1084}
1085
1086static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(
1087        bool isAMRWB, int32_t bps) {
1088    if (isAMRWB) {
1089        if (bps <= 6600) {
1090            return OMX_AUDIO_AMRBandModeWB0;
1091        } else if (bps <= 8850) {
1092            return OMX_AUDIO_AMRBandModeWB1;
1093        } else if (bps <= 12650) {
1094            return OMX_AUDIO_AMRBandModeWB2;
1095        } else if (bps <= 14250) {
1096            return OMX_AUDIO_AMRBandModeWB3;
1097        } else if (bps <= 15850) {
1098            return OMX_AUDIO_AMRBandModeWB4;
1099        } else if (bps <= 18250) {
1100            return OMX_AUDIO_AMRBandModeWB5;
1101        } else if (bps <= 19850) {
1102            return OMX_AUDIO_AMRBandModeWB6;
1103        } else if (bps <= 23050) {
1104            return OMX_AUDIO_AMRBandModeWB7;
1105        }
1106
1107        // 23850 bps
1108        return OMX_AUDIO_AMRBandModeWB8;
1109    } else {  // AMRNB
1110        if (bps <= 4750) {
1111            return OMX_AUDIO_AMRBandModeNB0;
1112        } else if (bps <= 5150) {
1113            return OMX_AUDIO_AMRBandModeNB1;
1114        } else if (bps <= 5900) {
1115            return OMX_AUDIO_AMRBandModeNB2;
1116        } else if (bps <= 6700) {
1117            return OMX_AUDIO_AMRBandModeNB3;
1118        } else if (bps <= 7400) {
1119            return OMX_AUDIO_AMRBandModeNB4;
1120        } else if (bps <= 7950) {
1121            return OMX_AUDIO_AMRBandModeNB5;
1122        } else if (bps <= 10200) {
1123            return OMX_AUDIO_AMRBandModeNB6;
1124        }
1125
1126        // 12200 bps
1127        return OMX_AUDIO_AMRBandModeNB7;
1128    }
1129}
1130
1131status_t ACodec::setupAMRCodec(bool encoder, bool isWAMR, int32_t bitrate) {
1132    OMX_AUDIO_PARAM_AMRTYPE def;
1133    InitOMXParams(&def);
1134    def.nPortIndex = encoder ? kPortIndexOutput : kPortIndexInput;
1135
1136    status_t err =
1137        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1138
1139    if (err != OK) {
1140        return err;
1141    }
1142
1143    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1144    def.eAMRBandMode = pickModeFromBitRate(isWAMR, bitrate);
1145
1146    err = mOMX->setParameter(
1147            mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1148
1149    if (err != OK) {
1150        return err;
1151    }
1152
1153    return setupRawAudioFormat(
1154            encoder ? kPortIndexInput : kPortIndexOutput,
1155            isWAMR ? 16000 : 8000 /* sampleRate */,
1156            1 /* numChannels */);
1157}
1158
1159status_t ACodec::setupG711Codec(bool encoder, int32_t numChannels) {
1160    CHECK(!encoder);  // XXX TODO
1161
1162    return setupRawAudioFormat(
1163            kPortIndexInput, 8000 /* sampleRate */, numChannels);
1164}
1165
1166status_t ACodec::setupRawAudioFormat(
1167        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1168    OMX_PARAM_PORTDEFINITIONTYPE def;
1169    InitOMXParams(&def);
1170    def.nPortIndex = portIndex;
1171
1172    status_t err = mOMX->getParameter(
1173            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1174
1175    if (err != OK) {
1176        return err;
1177    }
1178
1179    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
1180
1181    err = mOMX->setParameter(
1182            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1183
1184    if (err != OK) {
1185        return err;
1186    }
1187
1188    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1189    InitOMXParams(&pcmParams);
1190    pcmParams.nPortIndex = portIndex;
1191
1192    err = mOMX->getParameter(
1193            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1194
1195    if (err != OK) {
1196        return err;
1197    }
1198
1199    pcmParams.nChannels = numChannels;
1200    pcmParams.eNumData = OMX_NumericalDataSigned;
1201    pcmParams.bInterleaved = OMX_TRUE;
1202    pcmParams.nBitPerSample = 16;
1203    pcmParams.nSamplingRate = sampleRate;
1204    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1205
1206    if (getOMXChannelMapping(numChannels, pcmParams.eChannelMapping) != OK) {
1207        return OMX_ErrorNone;
1208    }
1209
1210    return mOMX->setParameter(
1211            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1212}
1213
1214status_t ACodec::setVideoPortFormatType(
1215        OMX_U32 portIndex,
1216        OMX_VIDEO_CODINGTYPE compressionFormat,
1217        OMX_COLOR_FORMATTYPE colorFormat) {
1218    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1219    InitOMXParams(&format);
1220    format.nPortIndex = portIndex;
1221    format.nIndex = 0;
1222    bool found = false;
1223
1224    OMX_U32 index = 0;
1225    for (;;) {
1226        format.nIndex = index;
1227        status_t err = mOMX->getParameter(
1228                mNode, OMX_IndexParamVideoPortFormat,
1229                &format, sizeof(format));
1230
1231        if (err != OK) {
1232            return err;
1233        }
1234
1235        // The following assertion is violated by TI's video decoder.
1236        // CHECK_EQ(format.nIndex, index);
1237
1238        if (!strcmp("OMX.TI.Video.encoder", mComponentName.c_str())) {
1239            if (portIndex == kPortIndexInput
1240                    && colorFormat == format.eColorFormat) {
1241                // eCompressionFormat does not seem right.
1242                found = true;
1243                break;
1244            }
1245            if (portIndex == kPortIndexOutput
1246                    && compressionFormat == format.eCompressionFormat) {
1247                // eColorFormat does not seem right.
1248                found = true;
1249                break;
1250            }
1251        }
1252
1253        if (format.eCompressionFormat == compressionFormat
1254            && format.eColorFormat == colorFormat) {
1255            found = true;
1256            break;
1257        }
1258
1259        ++index;
1260    }
1261
1262    if (!found) {
1263        return UNKNOWN_ERROR;
1264    }
1265
1266    status_t err = mOMX->setParameter(
1267            mNode, OMX_IndexParamVideoPortFormat,
1268            &format, sizeof(format));
1269
1270    return err;
1271}
1272
1273status_t ACodec::setSupportedOutputFormat() {
1274    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1275    InitOMXParams(&format);
1276    format.nPortIndex = kPortIndexOutput;
1277    format.nIndex = 0;
1278
1279    status_t err = mOMX->getParameter(
1280            mNode, OMX_IndexParamVideoPortFormat,
1281            &format, sizeof(format));
1282    CHECK_EQ(err, (status_t)OK);
1283    CHECK_EQ((int)format.eCompressionFormat, (int)OMX_VIDEO_CodingUnused);
1284
1285    CHECK(format.eColorFormat == OMX_COLOR_FormatYUV420Planar
1286           || format.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar
1287           || format.eColorFormat == OMX_COLOR_FormatCbYCrY
1288           || format.eColorFormat == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar
1289           || format.eColorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar);
1290
1291    return mOMX->setParameter(
1292            mNode, OMX_IndexParamVideoPortFormat,
1293            &format, sizeof(format));
1294}
1295
1296static status_t GetVideoCodingTypeFromMime(
1297        const char *mime, OMX_VIDEO_CODINGTYPE *codingType) {
1298    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
1299        *codingType = OMX_VIDEO_CodingAVC;
1300    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
1301        *codingType = OMX_VIDEO_CodingMPEG4;
1302    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
1303        *codingType = OMX_VIDEO_CodingH263;
1304    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG2, mime)) {
1305        *codingType = OMX_VIDEO_CodingMPEG2;
1306    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_VPX, mime)) {
1307        *codingType = OMX_VIDEO_CodingVPX;
1308    } else {
1309        *codingType = OMX_VIDEO_CodingUnused;
1310        return ERROR_UNSUPPORTED;
1311    }
1312
1313    return OK;
1314}
1315
1316status_t ACodec::setupVideoDecoder(
1317        const char *mime, int32_t width, int32_t height) {
1318    OMX_VIDEO_CODINGTYPE compressionFormat;
1319    status_t err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1320
1321    if (err != OK) {
1322        return err;
1323    }
1324
1325    err = setVideoPortFormatType(
1326            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
1327
1328    if (err != OK) {
1329        return err;
1330    }
1331
1332    err = setSupportedOutputFormat();
1333
1334    if (err != OK) {
1335        return err;
1336    }
1337
1338    err = setVideoFormatOnPort(
1339            kPortIndexInput, width, height, compressionFormat);
1340
1341    if (err != OK) {
1342        return err;
1343    }
1344
1345    err = setVideoFormatOnPort(
1346            kPortIndexOutput, width, height, OMX_VIDEO_CodingUnused);
1347
1348    if (err != OK) {
1349        return err;
1350    }
1351
1352    return OK;
1353}
1354
1355status_t ACodec::setupVideoEncoder(const char *mime, const sp<AMessage> &msg) {
1356    int32_t tmp;
1357    if (!msg->findInt32("color-format", &tmp)) {
1358        return INVALID_OPERATION;
1359    }
1360
1361    OMX_COLOR_FORMATTYPE colorFormat =
1362        static_cast<OMX_COLOR_FORMATTYPE>(tmp);
1363
1364    status_t err = setVideoPortFormatType(
1365            kPortIndexInput, OMX_VIDEO_CodingUnused, colorFormat);
1366
1367    if (err != OK) {
1368        ALOGE("[%s] does not support color format %d",
1369              mComponentName.c_str(), colorFormat);
1370
1371        return err;
1372    }
1373
1374    /* Input port configuration */
1375
1376    OMX_PARAM_PORTDEFINITIONTYPE def;
1377    InitOMXParams(&def);
1378
1379    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1380
1381    def.nPortIndex = kPortIndexInput;
1382
1383    err = mOMX->getParameter(
1384            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1385
1386    if (err != OK) {
1387        return err;
1388    }
1389
1390    int32_t width, height, bitrate;
1391    if (!msg->findInt32("width", &width)
1392            || !msg->findInt32("height", &height)
1393            || !msg->findInt32("bitrate", &bitrate)) {
1394        return INVALID_OPERATION;
1395    }
1396
1397    video_def->nFrameWidth = width;
1398    video_def->nFrameHeight = height;
1399
1400    int32_t stride;
1401    if (!msg->findInt32("stride", &stride)) {
1402        stride = width;
1403    }
1404
1405    video_def->nStride = stride;
1406
1407    int32_t sliceHeight;
1408    if (!msg->findInt32("slice-height", &sliceHeight)) {
1409        sliceHeight = height;
1410    }
1411
1412    video_def->nSliceHeight = sliceHeight;
1413
1414    def.nBufferSize = (video_def->nStride * video_def->nSliceHeight * 3) / 2;
1415
1416    float frameRate;
1417    if (!msg->findFloat("frame-rate", &frameRate)) {
1418        int32_t tmp;
1419        if (!msg->findInt32("frame-rate", &tmp)) {
1420            return INVALID_OPERATION;
1421        }
1422        frameRate = (float)tmp;
1423    }
1424
1425    video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
1426    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
1427    video_def->eColorFormat = colorFormat;
1428
1429    err = mOMX->setParameter(
1430            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1431
1432    if (err != OK) {
1433        ALOGE("[%s] failed to set input port definition parameters.",
1434              mComponentName.c_str());
1435
1436        return err;
1437    }
1438
1439    /* Output port configuration */
1440
1441    OMX_VIDEO_CODINGTYPE compressionFormat;
1442    err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1443
1444    if (err != OK) {
1445        return err;
1446    }
1447
1448    err = setVideoPortFormatType(
1449            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
1450
1451    if (err != OK) {
1452        ALOGE("[%s] does not support compression format %d",
1453             mComponentName.c_str(), compressionFormat);
1454
1455        return err;
1456    }
1457
1458    def.nPortIndex = kPortIndexOutput;
1459
1460    err = mOMX->getParameter(
1461            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1462
1463    if (err != OK) {
1464        return err;
1465    }
1466
1467    video_def->nFrameWidth = width;
1468    video_def->nFrameHeight = height;
1469    video_def->xFramerate = 0;
1470    video_def->nBitrate = bitrate;
1471    video_def->eCompressionFormat = compressionFormat;
1472    video_def->eColorFormat = OMX_COLOR_FormatUnused;
1473
1474    err = mOMX->setParameter(
1475            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1476
1477    if (err != OK) {
1478        ALOGE("[%s] failed to set output port definition parameters.",
1479              mComponentName.c_str());
1480
1481        return err;
1482    }
1483
1484    switch (compressionFormat) {
1485        case OMX_VIDEO_CodingMPEG4:
1486            err = setupMPEG4EncoderParameters(msg);
1487            break;
1488
1489        case OMX_VIDEO_CodingH263:
1490            err = setupH263EncoderParameters(msg);
1491            break;
1492
1493        case OMX_VIDEO_CodingAVC:
1494            err = setupAVCEncoderParameters(msg);
1495            break;
1496
1497        default:
1498            break;
1499    }
1500
1501    ALOGI("setupVideoEncoder succeeded");
1502
1503    return err;
1504}
1505
1506static OMX_U32 setPFramesSpacing(int32_t iFramesInterval, int32_t frameRate) {
1507    if (iFramesInterval < 0) {
1508        return 0xFFFFFFFF;
1509    } else if (iFramesInterval == 0) {
1510        return 0;
1511    }
1512    OMX_U32 ret = frameRate * iFramesInterval;
1513    CHECK(ret > 1);
1514    return ret;
1515}
1516
1517status_t ACodec::setupMPEG4EncoderParameters(const sp<AMessage> &msg) {
1518    int32_t bitrate, iFrameInterval;
1519    if (!msg->findInt32("bitrate", &bitrate)
1520            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1521        return INVALID_OPERATION;
1522    }
1523
1524    float frameRate;
1525    if (!msg->findFloat("frame-rate", &frameRate)) {
1526        int32_t tmp;
1527        if (!msg->findInt32("frame-rate", &tmp)) {
1528            return INVALID_OPERATION;
1529        }
1530        frameRate = (float)tmp;
1531    }
1532
1533    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
1534    InitOMXParams(&mpeg4type);
1535    mpeg4type.nPortIndex = kPortIndexOutput;
1536
1537    status_t err = mOMX->getParameter(
1538            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1539
1540    if (err != OK) {
1541        return err;
1542    }
1543
1544    mpeg4type.nSliceHeaderSpacing = 0;
1545    mpeg4type.bSVH = OMX_FALSE;
1546    mpeg4type.bGov = OMX_FALSE;
1547
1548    mpeg4type.nAllowedPictureTypes =
1549        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1550
1551    mpeg4type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1552    if (mpeg4type.nPFrames == 0) {
1553        mpeg4type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1554    }
1555    mpeg4type.nBFrames = 0;
1556    mpeg4type.nIDCVLCThreshold = 0;
1557    mpeg4type.bACPred = OMX_TRUE;
1558    mpeg4type.nMaxPacketSize = 256;
1559    mpeg4type.nTimeIncRes = 1000;
1560    mpeg4type.nHeaderExtension = 0;
1561    mpeg4type.bReversibleVLC = OMX_FALSE;
1562
1563    int32_t profile;
1564    if (msg->findInt32("profile", &profile)) {
1565        int32_t level;
1566        if (!msg->findInt32("level", &level)) {
1567            return INVALID_OPERATION;
1568        }
1569
1570        err = verifySupportForProfileAndLevel(profile, level);
1571
1572        if (err != OK) {
1573            return err;
1574        }
1575
1576        mpeg4type.eProfile = static_cast<OMX_VIDEO_MPEG4PROFILETYPE>(profile);
1577        mpeg4type.eLevel = static_cast<OMX_VIDEO_MPEG4LEVELTYPE>(level);
1578    }
1579
1580    err = mOMX->setParameter(
1581            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1582
1583    if (err != OK) {
1584        return err;
1585    }
1586
1587    err = configureBitrate(bitrate);
1588
1589    if (err != OK) {
1590        return err;
1591    }
1592
1593    return setupErrorCorrectionParameters();
1594}
1595
1596status_t ACodec::setupH263EncoderParameters(const sp<AMessage> &msg) {
1597    int32_t bitrate, iFrameInterval;
1598    if (!msg->findInt32("bitrate", &bitrate)
1599            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1600        return INVALID_OPERATION;
1601    }
1602
1603    float frameRate;
1604    if (!msg->findFloat("frame-rate", &frameRate)) {
1605        int32_t tmp;
1606        if (!msg->findInt32("frame-rate", &tmp)) {
1607            return INVALID_OPERATION;
1608        }
1609        frameRate = (float)tmp;
1610    }
1611
1612    OMX_VIDEO_PARAM_H263TYPE h263type;
1613    InitOMXParams(&h263type);
1614    h263type.nPortIndex = kPortIndexOutput;
1615
1616    status_t err = mOMX->getParameter(
1617            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1618
1619    if (err != OK) {
1620        return err;
1621    }
1622
1623    h263type.nAllowedPictureTypes =
1624        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1625
1626    h263type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1627    if (h263type.nPFrames == 0) {
1628        h263type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1629    }
1630    h263type.nBFrames = 0;
1631
1632    int32_t profile;
1633    if (msg->findInt32("profile", &profile)) {
1634        int32_t level;
1635        if (!msg->findInt32("level", &level)) {
1636            return INVALID_OPERATION;
1637        }
1638
1639        err = verifySupportForProfileAndLevel(profile, level);
1640
1641        if (err != OK) {
1642            return err;
1643        }
1644
1645        h263type.eProfile = static_cast<OMX_VIDEO_H263PROFILETYPE>(profile);
1646        h263type.eLevel = static_cast<OMX_VIDEO_H263LEVELTYPE>(level);
1647    }
1648
1649    h263type.bPLUSPTYPEAllowed = OMX_FALSE;
1650    h263type.bForceRoundingTypeToZero = OMX_FALSE;
1651    h263type.nPictureHeaderRepetition = 0;
1652    h263type.nGOBHeaderInterval = 0;
1653
1654    err = mOMX->setParameter(
1655            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1656
1657    if (err != OK) {
1658        return err;
1659    }
1660
1661    err = configureBitrate(bitrate);
1662
1663    if (err != OK) {
1664        return err;
1665    }
1666
1667    return setupErrorCorrectionParameters();
1668}
1669
1670status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
1671    int32_t bitrate, iFrameInterval;
1672    if (!msg->findInt32("bitrate", &bitrate)
1673            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1674        return INVALID_OPERATION;
1675    }
1676
1677    float frameRate;
1678    if (!msg->findFloat("frame-rate", &frameRate)) {
1679        int32_t tmp;
1680        if (!msg->findInt32("frame-rate", &tmp)) {
1681            return INVALID_OPERATION;
1682        }
1683        frameRate = (float)tmp;
1684    }
1685
1686    OMX_VIDEO_PARAM_AVCTYPE h264type;
1687    InitOMXParams(&h264type);
1688    h264type.nPortIndex = kPortIndexOutput;
1689
1690    status_t err = mOMX->getParameter(
1691            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1692
1693    if (err != OK) {
1694        return err;
1695    }
1696
1697    h264type.nAllowedPictureTypes =
1698        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1699
1700    int32_t profile;
1701    if (msg->findInt32("profile", &profile)) {
1702        int32_t level;
1703        if (!msg->findInt32("level", &level)) {
1704            return INVALID_OPERATION;
1705        }
1706
1707        err = verifySupportForProfileAndLevel(profile, level);
1708
1709        if (err != OK) {
1710            return err;
1711        }
1712
1713        h264type.eProfile = static_cast<OMX_VIDEO_AVCPROFILETYPE>(profile);
1714        h264type.eLevel = static_cast<OMX_VIDEO_AVCLEVELTYPE>(level);
1715    }
1716
1717    // XXX
1718    if (h264type.eProfile != OMX_VIDEO_AVCProfileBaseline) {
1719        ALOGW("Use baseline profile instead of %d for AVC recording",
1720            h264type.eProfile);
1721        h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
1722    }
1723
1724    if (h264type.eProfile == OMX_VIDEO_AVCProfileBaseline) {
1725        h264type.nSliceHeaderSpacing = 0;
1726        h264type.bUseHadamard = OMX_TRUE;
1727        h264type.nRefFrames = 1;
1728        h264type.nBFrames = 0;
1729        h264type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1730        if (h264type.nPFrames == 0) {
1731            h264type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1732        }
1733        h264type.nRefIdx10ActiveMinus1 = 0;
1734        h264type.nRefIdx11ActiveMinus1 = 0;
1735        h264type.bEntropyCodingCABAC = OMX_FALSE;
1736        h264type.bWeightedPPrediction = OMX_FALSE;
1737        h264type.bconstIpred = OMX_FALSE;
1738        h264type.bDirect8x8Inference = OMX_FALSE;
1739        h264type.bDirectSpatialTemporal = OMX_FALSE;
1740        h264type.nCabacInitIdc = 0;
1741    }
1742
1743    if (h264type.nBFrames != 0) {
1744        h264type.nAllowedPictureTypes |= OMX_VIDEO_PictureTypeB;
1745    }
1746
1747    h264type.bEnableUEP = OMX_FALSE;
1748    h264type.bEnableFMO = OMX_FALSE;
1749    h264type.bEnableASO = OMX_FALSE;
1750    h264type.bEnableRS = OMX_FALSE;
1751    h264type.bFrameMBsOnly = OMX_TRUE;
1752    h264type.bMBAFF = OMX_FALSE;
1753    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
1754
1755    err = mOMX->setParameter(
1756            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1757
1758    if (err != OK) {
1759        return err;
1760    }
1761
1762    return configureBitrate(bitrate);
1763}
1764
1765status_t ACodec::verifySupportForProfileAndLevel(
1766        int32_t profile, int32_t level) {
1767    OMX_VIDEO_PARAM_PROFILELEVELTYPE params;
1768    InitOMXParams(&params);
1769    params.nPortIndex = kPortIndexOutput;
1770
1771    for (params.nProfileIndex = 0;; ++params.nProfileIndex) {
1772        status_t err = mOMX->getParameter(
1773                mNode,
1774                OMX_IndexParamVideoProfileLevelQuerySupported,
1775                &params,
1776                sizeof(params));
1777
1778        if (err != OK) {
1779            return err;
1780        }
1781
1782        int32_t supportedProfile = static_cast<int32_t>(params.eProfile);
1783        int32_t supportedLevel = static_cast<int32_t>(params.eLevel);
1784
1785        if (profile == supportedProfile && level <= supportedLevel) {
1786            return OK;
1787        }
1788    }
1789}
1790
1791status_t ACodec::configureBitrate(int32_t bitrate) {
1792    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
1793    InitOMXParams(&bitrateType);
1794    bitrateType.nPortIndex = kPortIndexOutput;
1795
1796    status_t err = mOMX->getParameter(
1797            mNode, OMX_IndexParamVideoBitrate,
1798            &bitrateType, sizeof(bitrateType));
1799
1800    if (err != OK) {
1801        return err;
1802    }
1803
1804    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
1805    bitrateType.nTargetBitrate = bitrate;
1806
1807    return mOMX->setParameter(
1808            mNode, OMX_IndexParamVideoBitrate,
1809            &bitrateType, sizeof(bitrateType));
1810}
1811
1812status_t ACodec::setupErrorCorrectionParameters() {
1813    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
1814    InitOMXParams(&errorCorrectionType);
1815    errorCorrectionType.nPortIndex = kPortIndexOutput;
1816
1817    status_t err = mOMX->getParameter(
1818            mNode, OMX_IndexParamVideoErrorCorrection,
1819            &errorCorrectionType, sizeof(errorCorrectionType));
1820
1821    if (err != OK) {
1822        return OK;  // Optional feature. Ignore this failure
1823    }
1824
1825    errorCorrectionType.bEnableHEC = OMX_FALSE;
1826    errorCorrectionType.bEnableResync = OMX_TRUE;
1827    errorCorrectionType.nResynchMarkerSpacing = 256;
1828    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
1829    errorCorrectionType.bEnableRVLC = OMX_FALSE;
1830
1831    return mOMX->setParameter(
1832            mNode, OMX_IndexParamVideoErrorCorrection,
1833            &errorCorrectionType, sizeof(errorCorrectionType));
1834}
1835
1836status_t ACodec::setVideoFormatOnPort(
1837        OMX_U32 portIndex,
1838        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
1839    OMX_PARAM_PORTDEFINITIONTYPE def;
1840    InitOMXParams(&def);
1841    def.nPortIndex = portIndex;
1842
1843    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1844
1845    status_t err = mOMX->getParameter(
1846            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1847
1848    CHECK_EQ(err, (status_t)OK);
1849
1850    if (portIndex == kPortIndexInput) {
1851        // XXX Need a (much) better heuristic to compute input buffer sizes.
1852        const size_t X = 64 * 1024;
1853        if (def.nBufferSize < X) {
1854            def.nBufferSize = X;
1855        }
1856    }
1857
1858    CHECK_EQ((int)def.eDomain, (int)OMX_PortDomainVideo);
1859
1860    video_def->nFrameWidth = width;
1861    video_def->nFrameHeight = height;
1862
1863    if (portIndex == kPortIndexInput) {
1864        video_def->eCompressionFormat = compressionFormat;
1865        video_def->eColorFormat = OMX_COLOR_FormatUnused;
1866    }
1867
1868    err = mOMX->setParameter(
1869            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1870
1871    return err;
1872}
1873
1874status_t ACodec::initNativeWindow() {
1875    if (mNativeWindow != NULL) {
1876        return mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_TRUE);
1877    }
1878
1879    mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_FALSE);
1880    return OK;
1881}
1882
1883size_t ACodec::countBuffersOwnedByComponent(OMX_U32 portIndex) const {
1884    size_t n = 0;
1885
1886    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
1887        const BufferInfo &info = mBuffers[portIndex].itemAt(i);
1888
1889        if (info.mStatus == BufferInfo::OWNED_BY_COMPONENT) {
1890            ++n;
1891        }
1892    }
1893
1894    return n;
1895}
1896
1897bool ACodec::allYourBuffersAreBelongToUs(
1898        OMX_U32 portIndex) {
1899    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
1900        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
1901
1902        if (info->mStatus != BufferInfo::OWNED_BY_US
1903                && info->mStatus != BufferInfo::OWNED_BY_NATIVE_WINDOW) {
1904            ALOGV("[%s] Buffer %p on port %ld still has status %d",
1905                    mComponentName.c_str(),
1906                    info->mBufferID, portIndex, info->mStatus);
1907            return false;
1908        }
1909    }
1910
1911    return true;
1912}
1913
1914bool ACodec::allYourBuffersAreBelongToUs() {
1915    return allYourBuffersAreBelongToUs(kPortIndexInput)
1916        && allYourBuffersAreBelongToUs(kPortIndexOutput);
1917}
1918
1919void ACodec::deferMessage(const sp<AMessage> &msg) {
1920    bool wasEmptyBefore = mDeferredQueue.empty();
1921    mDeferredQueue.push_back(msg);
1922}
1923
1924void ACodec::processDeferredMessages() {
1925    List<sp<AMessage> > queue = mDeferredQueue;
1926    mDeferredQueue.clear();
1927
1928    List<sp<AMessage> >::iterator it = queue.begin();
1929    while (it != queue.end()) {
1930        onMessageReceived(*it++);
1931    }
1932}
1933
1934void ACodec::sendFormatChange() {
1935    sp<AMessage> notify = mNotify->dup();
1936    notify->setInt32("what", kWhatOutputFormatChanged);
1937
1938    OMX_PARAM_PORTDEFINITIONTYPE def;
1939    InitOMXParams(&def);
1940    def.nPortIndex = kPortIndexOutput;
1941
1942    CHECK_EQ(mOMX->getParameter(
1943                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def)),
1944             (status_t)OK);
1945
1946    CHECK_EQ((int)def.eDir, (int)OMX_DirOutput);
1947
1948    switch (def.eDomain) {
1949        case OMX_PortDomainVideo:
1950        {
1951            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
1952
1953            notify->setString("mime", MEDIA_MIMETYPE_VIDEO_RAW);
1954            notify->setInt32("width", videoDef->nFrameWidth);
1955            notify->setInt32("height", videoDef->nFrameHeight);
1956            notify->setInt32("stride", videoDef->nStride);
1957            notify->setInt32("slice-height", videoDef->nSliceHeight);
1958            notify->setInt32("color-format", videoDef->eColorFormat);
1959
1960            OMX_CONFIG_RECTTYPE rect;
1961            InitOMXParams(&rect);
1962            rect.nPortIndex = kPortIndexOutput;
1963
1964            if (mOMX->getConfig(
1965                        mNode, OMX_IndexConfigCommonOutputCrop,
1966                        &rect, sizeof(rect)) != OK) {
1967                rect.nLeft = 0;
1968                rect.nTop = 0;
1969                rect.nWidth = videoDef->nFrameWidth;
1970                rect.nHeight = videoDef->nFrameHeight;
1971            }
1972
1973            CHECK_GE(rect.nLeft, 0);
1974            CHECK_GE(rect.nTop, 0);
1975            CHECK_GE(rect.nWidth, 0u);
1976            CHECK_GE(rect.nHeight, 0u);
1977            CHECK_LE(rect.nLeft + rect.nWidth - 1, videoDef->nFrameWidth);
1978            CHECK_LE(rect.nTop + rect.nHeight - 1, videoDef->nFrameHeight);
1979
1980            notify->setRect(
1981                    "crop",
1982                    rect.nLeft,
1983                    rect.nTop,
1984                    rect.nLeft + rect.nWidth - 1,
1985                    rect.nTop + rect.nHeight - 1);
1986
1987            if (mNativeWindow != NULL) {
1988                android_native_rect_t crop;
1989                crop.left = rect.nLeft;
1990                crop.top = rect.nTop;
1991                crop.right = rect.nLeft + rect.nWidth;
1992                crop.bottom = rect.nTop + rect.nHeight;
1993
1994                CHECK_EQ(0, native_window_set_crop(
1995                            mNativeWindow.get(), &crop));
1996            }
1997            break;
1998        }
1999
2000        case OMX_PortDomainAudio:
2001        {
2002            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2003            CHECK_EQ((int)audioDef->eEncoding, (int)OMX_AUDIO_CodingPCM);
2004
2005            OMX_AUDIO_PARAM_PCMMODETYPE params;
2006            InitOMXParams(&params);
2007            params.nPortIndex = kPortIndexOutput;
2008
2009            CHECK_EQ(mOMX->getParameter(
2010                        mNode, OMX_IndexParamAudioPcm,
2011                        &params, sizeof(params)),
2012                     (status_t)OK);
2013
2014            CHECK(params.nChannels == 1 || params.bInterleaved);
2015            CHECK_EQ(params.nBitPerSample, 16u);
2016            CHECK_EQ((int)params.eNumData, (int)OMX_NumericalDataSigned);
2017            CHECK_EQ((int)params.ePCMMode, (int)OMX_AUDIO_PCMModeLinear);
2018
2019            notify->setString("mime", MEDIA_MIMETYPE_AUDIO_RAW);
2020            notify->setInt32("channel-count", params.nChannels);
2021            notify->setInt32("sample-rate", params.nSamplingRate);
2022            if (mEncoderDelay + mEncoderPadding) {
2023                size_t frameSize = params.nChannels * sizeof(int16_t);
2024                if (mSkipCutBuffer != NULL) {
2025                    size_t prevbufsize = mSkipCutBuffer->size();
2026                    if (prevbufsize != 0) {
2027                        ALOGW("Replacing SkipCutBuffer holding %d bytes", prevbufsize);
2028                    }
2029                }
2030                mSkipCutBuffer = new SkipCutBuffer(mEncoderDelay * frameSize,
2031                                                   mEncoderPadding * frameSize);
2032            }
2033
2034            if (mChannelMaskPresent) {
2035                notify->setInt32("channel-mask", mChannelMask);
2036            }
2037
2038            break;
2039        }
2040
2041        default:
2042            TRESPASS();
2043    }
2044
2045    notify->post();
2046
2047    mSentFormat = true;
2048}
2049
2050void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
2051    sp<AMessage> notify = mNotify->dup();
2052    notify->setInt32("what", ACodec::kWhatError);
2053    notify->setInt32("omx-error", error);
2054    notify->setInt32("err", internalError);
2055    notify->post();
2056}
2057
2058////////////////////////////////////////////////////////////////////////////////
2059
2060ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
2061    : AState(parentState),
2062      mCodec(codec) {
2063}
2064
2065ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(OMX_U32 portIndex) {
2066    return KEEP_BUFFERS;
2067}
2068
2069bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
2070    switch (msg->what()) {
2071        case kWhatInputBufferFilled:
2072        {
2073            onInputBufferFilled(msg);
2074            break;
2075        }
2076
2077        case kWhatOutputBufferDrained:
2078        {
2079            onOutputBufferDrained(msg);
2080            break;
2081        }
2082
2083        case ACodec::kWhatOMXMessage:
2084        {
2085            return onOMXMessage(msg);
2086        }
2087
2088        default:
2089            return false;
2090    }
2091
2092    return true;
2093}
2094
2095bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
2096    int32_t type;
2097    CHECK(msg->findInt32("type", &type));
2098
2099    IOMX::node_id nodeID;
2100    CHECK(msg->findPointer("node", &nodeID));
2101    CHECK_EQ(nodeID, mCodec->mNode);
2102
2103    switch (type) {
2104        case omx_message::EVENT:
2105        {
2106            int32_t event, data1, data2;
2107            CHECK(msg->findInt32("event", &event));
2108            CHECK(msg->findInt32("data1", &data1));
2109            CHECK(msg->findInt32("data2", &data2));
2110
2111            if (event == OMX_EventCmdComplete
2112                    && data1 == OMX_CommandFlush
2113                    && data2 == (int32_t)OMX_ALL) {
2114                // Use of this notification is not consistent across
2115                // implementations. We'll drop this notification and rely
2116                // on flush-complete notifications on the individual port
2117                // indices instead.
2118
2119                return true;
2120            }
2121
2122            return onOMXEvent(
2123                    static_cast<OMX_EVENTTYPE>(event),
2124                    static_cast<OMX_U32>(data1),
2125                    static_cast<OMX_U32>(data2));
2126        }
2127
2128        case omx_message::EMPTY_BUFFER_DONE:
2129        {
2130            IOMX::buffer_id bufferID;
2131            CHECK(msg->findPointer("buffer", &bufferID));
2132
2133            return onOMXEmptyBufferDone(bufferID);
2134        }
2135
2136        case omx_message::FILL_BUFFER_DONE:
2137        {
2138            IOMX::buffer_id bufferID;
2139            CHECK(msg->findPointer("buffer", &bufferID));
2140
2141            int32_t rangeOffset, rangeLength, flags;
2142            int64_t timeUs;
2143            void *platformPrivate;
2144            void *dataPtr;
2145
2146            CHECK(msg->findInt32("range_offset", &rangeOffset));
2147            CHECK(msg->findInt32("range_length", &rangeLength));
2148            CHECK(msg->findInt32("flags", &flags));
2149            CHECK(msg->findInt64("timestamp", &timeUs));
2150            CHECK(msg->findPointer("platform_private", &platformPrivate));
2151            CHECK(msg->findPointer("data_ptr", &dataPtr));
2152
2153            return onOMXFillBufferDone(
2154                    bufferID,
2155                    (size_t)rangeOffset, (size_t)rangeLength,
2156                    (OMX_U32)flags,
2157                    timeUs,
2158                    platformPrivate,
2159                    dataPtr);
2160        }
2161
2162        default:
2163            TRESPASS();
2164            break;
2165    }
2166}
2167
2168bool ACodec::BaseState::onOMXEvent(
2169        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
2170    if (event != OMX_EventError) {
2171        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
2172             mCodec->mComponentName.c_str(), event, data1, data2);
2173
2174        return false;
2175    }
2176
2177    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
2178
2179    mCodec->signalError((OMX_ERRORTYPE)data1);
2180
2181    return true;
2182}
2183
2184bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
2185    ALOGV("[%s] onOMXEmptyBufferDone %p",
2186         mCodec->mComponentName.c_str(), bufferID);
2187
2188    BufferInfo *info =
2189        mCodec->findBufferByID(kPortIndexInput, bufferID);
2190
2191    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2192    info->mStatus = BufferInfo::OWNED_BY_US;
2193
2194    PortMode mode = getPortMode(kPortIndexInput);
2195
2196    switch (mode) {
2197        case KEEP_BUFFERS:
2198            break;
2199
2200        case RESUBMIT_BUFFERS:
2201            postFillThisBuffer(info);
2202            break;
2203
2204        default:
2205        {
2206            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2207            TRESPASS();  // Not currently used
2208            break;
2209        }
2210    }
2211
2212    return true;
2213}
2214
2215void ACodec::BaseState::postFillThisBuffer(BufferInfo *info) {
2216    if (mCodec->mPortEOS[kPortIndexInput]) {
2217        return;
2218    }
2219
2220    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
2221
2222    sp<AMessage> notify = mCodec->mNotify->dup();
2223    notify->setInt32("what", ACodec::kWhatFillThisBuffer);
2224    notify->setPointer("buffer-id", info->mBufferID);
2225
2226    info->mData->meta()->clear();
2227    notify->setBuffer("buffer", info->mData);
2228
2229    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, mCodec->id());
2230    reply->setPointer("buffer-id", info->mBufferID);
2231
2232    notify->setMessage("reply", reply);
2233
2234    notify->post();
2235
2236    info->mStatus = BufferInfo::OWNED_BY_UPSTREAM;
2237}
2238
2239void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
2240    IOMX::buffer_id bufferID;
2241    CHECK(msg->findPointer("buffer-id", &bufferID));
2242
2243    sp<ABuffer> buffer;
2244    int32_t err = OK;
2245    bool eos = false;
2246
2247    if (!msg->findBuffer("buffer", &buffer)) {
2248        CHECK(msg->findInt32("err", &err));
2249
2250        ALOGV("[%s] saw error %d instead of an input buffer",
2251             mCodec->mComponentName.c_str(), err);
2252
2253        buffer.clear();
2254
2255        eos = true;
2256    }
2257
2258    int32_t tmp;
2259    if (buffer != NULL && buffer->meta()->findInt32("eos", &tmp) && tmp) {
2260        eos = true;
2261        err = ERROR_END_OF_STREAM;
2262    }
2263
2264    BufferInfo *info = mCodec->findBufferByID(kPortIndexInput, bufferID);
2265    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_UPSTREAM);
2266
2267    info->mStatus = BufferInfo::OWNED_BY_US;
2268
2269    PortMode mode = getPortMode(kPortIndexInput);
2270
2271    switch (mode) {
2272        case KEEP_BUFFERS:
2273        {
2274            if (eos) {
2275                if (!mCodec->mPortEOS[kPortIndexInput]) {
2276                    mCodec->mPortEOS[kPortIndexInput] = true;
2277                    mCodec->mInputEOSResult = err;
2278                }
2279            }
2280            break;
2281        }
2282
2283        case RESUBMIT_BUFFERS:
2284        {
2285            if (buffer != NULL && !mCodec->mPortEOS[kPortIndexInput]) {
2286                int64_t timeUs;
2287                CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2288
2289                OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
2290
2291                int32_t isCSD;
2292                if (buffer->meta()->findInt32("csd", &isCSD) && isCSD != 0) {
2293                    flags |= OMX_BUFFERFLAG_CODECCONFIG;
2294                }
2295
2296                if (eos) {
2297                    flags |= OMX_BUFFERFLAG_EOS;
2298                }
2299
2300                if (buffer != info->mData) {
2301                    if (0 && !(flags & OMX_BUFFERFLAG_CODECCONFIG)) {
2302                        ALOGV("[%s] Needs to copy input data.",
2303                             mCodec->mComponentName.c_str());
2304                    }
2305
2306                    CHECK_LE(buffer->size(), info->mData->capacity());
2307                    memcpy(info->mData->data(), buffer->data(), buffer->size());
2308                }
2309
2310                if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
2311                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
2312                         mCodec->mComponentName.c_str(), bufferID);
2313                } else if (flags & OMX_BUFFERFLAG_EOS) {
2314                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
2315                         mCodec->mComponentName.c_str(), bufferID);
2316                } else {
2317                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
2318                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2319                }
2320
2321                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2322                            mCodec->mNode,
2323                            bufferID,
2324                            0,
2325                            buffer->size(),
2326                            flags,
2327                            timeUs),
2328                         (status_t)OK);
2329
2330                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2331
2332                if (!eos) {
2333                    getMoreInputDataIfPossible();
2334                } else {
2335                    ALOGV("[%s] Signalled EOS on the input port",
2336                         mCodec->mComponentName.c_str());
2337
2338                    mCodec->mPortEOS[kPortIndexInput] = true;
2339                    mCodec->mInputEOSResult = err;
2340                }
2341            } else if (!mCodec->mPortEOS[kPortIndexInput]) {
2342                if (err != ERROR_END_OF_STREAM) {
2343                    ALOGV("[%s] Signalling EOS on the input port "
2344                         "due to error %d",
2345                         mCodec->mComponentName.c_str(), err);
2346                } else {
2347                    ALOGV("[%s] Signalling EOS on the input port",
2348                         mCodec->mComponentName.c_str());
2349                }
2350
2351                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
2352                     mCodec->mComponentName.c_str(), bufferID);
2353
2354                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2355                            mCodec->mNode,
2356                            bufferID,
2357                            0,
2358                            0,
2359                            OMX_BUFFERFLAG_EOS,
2360                            0),
2361                         (status_t)OK);
2362
2363                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2364
2365                mCodec->mPortEOS[kPortIndexInput] = true;
2366                mCodec->mInputEOSResult = err;
2367            }
2368            break;
2369
2370            default:
2371                CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2372                break;
2373        }
2374    }
2375}
2376
2377void ACodec::BaseState::getMoreInputDataIfPossible() {
2378    if (mCodec->mPortEOS[kPortIndexInput]) {
2379        return;
2380    }
2381
2382    BufferInfo *eligible = NULL;
2383
2384    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
2385        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
2386
2387#if 0
2388        if (info->mStatus == BufferInfo::OWNED_BY_UPSTREAM) {
2389            // There's already a "read" pending.
2390            return;
2391        }
2392#endif
2393
2394        if (info->mStatus == BufferInfo::OWNED_BY_US) {
2395            eligible = info;
2396        }
2397    }
2398
2399    if (eligible == NULL) {
2400        return;
2401    }
2402
2403    postFillThisBuffer(eligible);
2404}
2405
2406bool ACodec::BaseState::onOMXFillBufferDone(
2407        IOMX::buffer_id bufferID,
2408        size_t rangeOffset, size_t rangeLength,
2409        OMX_U32 flags,
2410        int64_t timeUs,
2411        void *platformPrivate,
2412        void *dataPtr) {
2413    ALOGV("[%s] onOMXFillBufferDone %p time %lld us, flags = 0x%08lx",
2414         mCodec->mComponentName.c_str(), bufferID, timeUs, flags);
2415
2416    ssize_t index;
2417    BufferInfo *info =
2418        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
2419
2420    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2421
2422    info->mStatus = BufferInfo::OWNED_BY_US;
2423
2424    PortMode mode = getPortMode(kPortIndexOutput);
2425
2426    switch (mode) {
2427        case KEEP_BUFFERS:
2428            break;
2429
2430        case RESUBMIT_BUFFERS:
2431        {
2432            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
2433                ALOGV("[%s] calling fillBuffer %p",
2434                     mCodec->mComponentName.c_str(), info->mBufferID);
2435
2436                CHECK_EQ(mCodec->mOMX->fillBuffer(
2437                            mCodec->mNode, info->mBufferID),
2438                         (status_t)OK);
2439
2440                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2441                break;
2442            }
2443
2444            if (!mCodec->mIsEncoder && !mCodec->mSentFormat) {
2445                mCodec->sendFormatChange();
2446            }
2447
2448            if (mCodec->mNativeWindow == NULL) {
2449                info->mData->setRange(rangeOffset, rangeLength);
2450            }
2451
2452            if (mCodec->mSkipCutBuffer != NULL) {
2453                mCodec->mSkipCutBuffer->submit(info->mData);
2454            }
2455            info->mData->meta()->setInt64("timeUs", timeUs);
2456
2457            sp<AMessage> notify = mCodec->mNotify->dup();
2458            notify->setInt32("what", ACodec::kWhatDrainThisBuffer);
2459            notify->setPointer("buffer-id", info->mBufferID);
2460            notify->setBuffer("buffer", info->mData);
2461            notify->setInt32("flags", flags);
2462
2463            sp<AMessage> reply =
2464                new AMessage(kWhatOutputBufferDrained, mCodec->id());
2465
2466            reply->setPointer("buffer-id", info->mBufferID);
2467
2468            notify->setMessage("reply", reply);
2469
2470            notify->post();
2471
2472            info->mStatus = BufferInfo::OWNED_BY_DOWNSTREAM;
2473
2474            if (flags & OMX_BUFFERFLAG_EOS) {
2475                ALOGV("[%s] saw output EOS", mCodec->mComponentName.c_str());
2476
2477                sp<AMessage> notify = mCodec->mNotify->dup();
2478                notify->setInt32("what", ACodec::kWhatEOS);
2479                notify->setInt32("err", mCodec->mInputEOSResult);
2480                notify->post();
2481
2482                mCodec->mPortEOS[kPortIndexOutput] = true;
2483            }
2484            break;
2485        }
2486
2487        default:
2488        {
2489            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2490
2491            CHECK_EQ((status_t)OK,
2492                     mCodec->freeBuffer(kPortIndexOutput, index));
2493            break;
2494        }
2495    }
2496
2497    return true;
2498}
2499
2500void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
2501    IOMX::buffer_id bufferID;
2502    CHECK(msg->findPointer("buffer-id", &bufferID));
2503
2504    ssize_t index;
2505    BufferInfo *info =
2506        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
2507    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
2508
2509    int32_t render;
2510    if (mCodec->mNativeWindow != NULL
2511            && msg->findInt32("render", &render) && render != 0) {
2512        // The client wants this buffer to be rendered.
2513
2514        status_t err;
2515        if ((err = mCodec->mNativeWindow->queueBuffer(
2516                    mCodec->mNativeWindow.get(),
2517                    info->mGraphicBuffer.get())) == OK) {
2518            info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
2519        } else {
2520            mCodec->signalError(OMX_ErrorUndefined, err);
2521            info->mStatus = BufferInfo::OWNED_BY_US;
2522        }
2523    } else {
2524        info->mStatus = BufferInfo::OWNED_BY_US;
2525    }
2526
2527    PortMode mode = getPortMode(kPortIndexOutput);
2528
2529    switch (mode) {
2530        case KEEP_BUFFERS:
2531        {
2532            // XXX fishy, revisit!!! What about the FREE_BUFFERS case below?
2533
2534            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2535                // We cannot resubmit the buffer we just rendered, dequeue
2536                // the spare instead.
2537
2538                info = mCodec->dequeueBufferFromNativeWindow();
2539            }
2540            break;
2541        }
2542
2543        case RESUBMIT_BUFFERS:
2544        {
2545            if (!mCodec->mPortEOS[kPortIndexOutput]) {
2546                if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2547                    // We cannot resubmit the buffer we just rendered, dequeue
2548                    // the spare instead.
2549
2550                    info = mCodec->dequeueBufferFromNativeWindow();
2551                }
2552
2553                if (info != NULL) {
2554                    ALOGV("[%s] calling fillBuffer %p",
2555                         mCodec->mComponentName.c_str(), info->mBufferID);
2556
2557                    CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
2558                             (status_t)OK);
2559
2560                    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2561                }
2562            }
2563            break;
2564        }
2565
2566        default:
2567        {
2568            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2569
2570            CHECK_EQ((status_t)OK,
2571                     mCodec->freeBuffer(kPortIndexOutput, index));
2572            break;
2573        }
2574    }
2575}
2576
2577////////////////////////////////////////////////////////////////////////////////
2578
2579ACodec::UninitializedState::UninitializedState(ACodec *codec)
2580    : BaseState(codec) {
2581}
2582
2583void ACodec::UninitializedState::stateEntered() {
2584    ALOGV("Now uninitialized");
2585}
2586
2587bool ACodec::UninitializedState::onMessageReceived(const sp<AMessage> &msg) {
2588    bool handled = false;
2589
2590    switch (msg->what()) {
2591        case ACodec::kWhatSetup:
2592        {
2593            onSetup(msg);
2594
2595            handled = true;
2596            break;
2597        }
2598
2599        case ACodec::kWhatAllocateComponent:
2600        {
2601            onAllocateComponent(msg);
2602            handled = true;
2603            break;
2604        }
2605
2606        case ACodec::kWhatShutdown:
2607        {
2608            int32_t keepComponentAllocated;
2609            CHECK(msg->findInt32(
2610                        "keepComponentAllocated", &keepComponentAllocated));
2611            CHECK(!keepComponentAllocated);
2612
2613            sp<AMessage> notify = mCodec->mNotify->dup();
2614            notify->setInt32("what", ACodec::kWhatShutdownCompleted);
2615            notify->post();
2616
2617            handled = true;
2618            break;
2619        }
2620
2621        case ACodec::kWhatFlush:
2622        {
2623            sp<AMessage> notify = mCodec->mNotify->dup();
2624            notify->setInt32("what", ACodec::kWhatFlushCompleted);
2625            notify->post();
2626
2627            handled = true;
2628            break;
2629        }
2630
2631        default:
2632            return BaseState::onMessageReceived(msg);
2633    }
2634
2635    return handled;
2636}
2637
2638void ACodec::UninitializedState::onSetup(
2639        const sp<AMessage> &msg) {
2640    if (onAllocateComponent(msg)
2641            && mCodec->mLoadedState->onConfigureComponent(msg)) {
2642        mCodec->mLoadedState->onStart();
2643    }
2644}
2645
2646bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
2647    ALOGV("onAllocateComponent");
2648
2649    CHECK(mCodec->mNode == NULL);
2650
2651    OMXClient client;
2652    CHECK_EQ(client.connect(), (status_t)OK);
2653
2654    sp<IOMX> omx = client.interface();
2655
2656    Vector<String8> matchingCodecs;
2657    Vector<uint32_t> matchingCodecQuirks;
2658
2659    AString mime;
2660
2661    AString componentName;
2662    uint32_t quirks;
2663    if (msg->findString("componentName", &componentName)) {
2664        matchingCodecs.push_back(String8(componentName.c_str()));
2665
2666        if (!OMXCodec::findCodecQuirks(componentName.c_str(), &quirks)) {
2667            quirks = 0;
2668        }
2669        matchingCodecQuirks.push_back(quirks);
2670    } else {
2671        CHECK(msg->findString("mime", &mime));
2672
2673        int32_t encoder;
2674        if (!msg->findInt32("encoder", &encoder)) {
2675            encoder = false;
2676        }
2677
2678        OMXCodec::findMatchingCodecs(
2679                mime.c_str(),
2680                encoder, // createEncoder
2681                NULL,  // matchComponentName
2682                0,     // flags
2683                &matchingCodecs,
2684                &matchingCodecQuirks);
2685    }
2686
2687    sp<CodecObserver> observer = new CodecObserver;
2688    IOMX::node_id node = NULL;
2689
2690    for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
2691            ++matchIndex) {
2692        componentName = matchingCodecs.itemAt(matchIndex).string();
2693        quirks = matchingCodecQuirks.itemAt(matchIndex);
2694
2695        pid_t tid = androidGetTid();
2696        int prevPriority = androidGetThreadPriority(tid);
2697        androidSetThreadPriority(tid, ANDROID_PRIORITY_FOREGROUND);
2698        status_t err = omx->allocateNode(componentName.c_str(), observer, &node);
2699        androidSetThreadPriority(tid, prevPriority);
2700
2701        if (err == OK) {
2702            break;
2703        }
2704
2705        node = NULL;
2706    }
2707
2708    if (node == NULL) {
2709        if (!mime.empty()) {
2710            ALOGE("Unable to instantiate a decoder for type '%s'.",
2711                 mime.c_str());
2712        } else {
2713            ALOGE("Unable to instantiate decoder '%s'.", componentName.c_str());
2714        }
2715
2716        mCodec->signalError(OMX_ErrorComponentNotFound);
2717        return false;
2718    }
2719
2720    sp<AMessage> notify = new AMessage(kWhatOMXMessage, mCodec->id());
2721    observer->setNotificationMessage(notify);
2722
2723    mCodec->mComponentName = componentName;
2724    mCodec->mFlags = 0;
2725
2726    if (componentName.endsWith(".secure")) {
2727        mCodec->mFlags |= kFlagIsSecure;
2728    }
2729
2730    mCodec->mQuirks = quirks;
2731    mCodec->mOMX = omx;
2732    mCodec->mNode = node;
2733
2734    mCodec->mPortEOS[kPortIndexInput] =
2735        mCodec->mPortEOS[kPortIndexOutput] = false;
2736
2737    mCodec->mInputEOSResult = OK;
2738
2739    {
2740        sp<AMessage> notify = mCodec->mNotify->dup();
2741        notify->setInt32("what", ACodec::kWhatComponentAllocated);
2742        notify->setString("componentName", mCodec->mComponentName.c_str());
2743        notify->post();
2744    }
2745
2746    mCodec->changeState(mCodec->mLoadedState);
2747
2748    return true;
2749}
2750
2751////////////////////////////////////////////////////////////////////////////////
2752
2753ACodec::LoadedState::LoadedState(ACodec *codec)
2754    : BaseState(codec) {
2755}
2756
2757void ACodec::LoadedState::stateEntered() {
2758    ALOGV("[%s] Now Loaded", mCodec->mComponentName.c_str());
2759
2760    if (mCodec->mShutdownInProgress) {
2761        bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
2762
2763        mCodec->mShutdownInProgress = false;
2764        mCodec->mKeepComponentAllocated = false;
2765
2766        onShutdown(keepComponentAllocated);
2767    }
2768}
2769
2770void ACodec::LoadedState::onShutdown(bool keepComponentAllocated) {
2771    if (!keepComponentAllocated) {
2772        CHECK_EQ(mCodec->mOMX->freeNode(mCodec->mNode), (status_t)OK);
2773
2774        mCodec->mNativeWindow.clear();
2775        mCodec->mNode = NULL;
2776        mCodec->mOMX.clear();
2777        mCodec->mQuirks = 0;
2778        mCodec->mFlags = 0;
2779        mCodec->mComponentName.clear();
2780
2781        mCodec->changeState(mCodec->mUninitializedState);
2782    }
2783
2784    sp<AMessage> notify = mCodec->mNotify->dup();
2785    notify->setInt32("what", ACodec::kWhatShutdownCompleted);
2786    notify->post();
2787}
2788
2789bool ACodec::LoadedState::onMessageReceived(const sp<AMessage> &msg) {
2790    bool handled = false;
2791
2792    switch (msg->what()) {
2793        case ACodec::kWhatConfigureComponent:
2794        {
2795            onConfigureComponent(msg);
2796            handled = true;
2797            break;
2798        }
2799
2800        case ACodec::kWhatStart:
2801        {
2802            onStart();
2803            handled = true;
2804            break;
2805        }
2806
2807        case ACodec::kWhatShutdown:
2808        {
2809            int32_t keepComponentAllocated;
2810            CHECK(msg->findInt32(
2811                        "keepComponentAllocated", &keepComponentAllocated));
2812
2813            onShutdown(keepComponentAllocated);
2814
2815            handled = true;
2816            break;
2817        }
2818
2819        case ACodec::kWhatFlush:
2820        {
2821            sp<AMessage> notify = mCodec->mNotify->dup();
2822            notify->setInt32("what", ACodec::kWhatFlushCompleted);
2823            notify->post();
2824
2825            handled = true;
2826            break;
2827        }
2828
2829        default:
2830            return BaseState::onMessageReceived(msg);
2831    }
2832
2833    return handled;
2834}
2835
2836bool ACodec::LoadedState::onConfigureComponent(
2837        const sp<AMessage> &msg) {
2838    ALOGV("onConfigureComponent");
2839
2840    CHECK(mCodec->mNode != NULL);
2841
2842    AString mime;
2843    CHECK(msg->findString("mime", &mime));
2844
2845    status_t err = mCodec->configureCodec(mime.c_str(), msg);
2846
2847    if (err != OK) {
2848        ALOGE("[%s] configureCodec returning error %d",
2849              mCodec->mComponentName.c_str(), err);
2850
2851        mCodec->signalError(OMX_ErrorUndefined, err);
2852        return false;
2853    }
2854
2855    sp<RefBase> obj;
2856    if (msg->findObject("native-window", &obj)
2857            && strncmp("OMX.google.", mCodec->mComponentName.c_str(), 11)) {
2858        sp<NativeWindowWrapper> nativeWindow(
2859                static_cast<NativeWindowWrapper *>(obj.get()));
2860        CHECK(nativeWindow != NULL);
2861        mCodec->mNativeWindow = nativeWindow->getNativeWindow();
2862    }
2863    CHECK_EQ((status_t)OK, mCodec->initNativeWindow());
2864
2865    {
2866        sp<AMessage> notify = mCodec->mNotify->dup();
2867        notify->setInt32("what", ACodec::kWhatComponentConfigured);
2868        notify->post();
2869    }
2870
2871    return true;
2872}
2873
2874void ACodec::LoadedState::onStart() {
2875    ALOGV("onStart");
2876
2877    CHECK_EQ(mCodec->mOMX->sendCommand(
2878                mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
2879             (status_t)OK);
2880
2881    mCodec->changeState(mCodec->mLoadedToIdleState);
2882}
2883
2884////////////////////////////////////////////////////////////////////////////////
2885
2886ACodec::LoadedToIdleState::LoadedToIdleState(ACodec *codec)
2887    : BaseState(codec) {
2888}
2889
2890void ACodec::LoadedToIdleState::stateEntered() {
2891    ALOGV("[%s] Now Loaded->Idle", mCodec->mComponentName.c_str());
2892
2893    status_t err;
2894    if ((err = allocateBuffers()) != OK) {
2895        ALOGE("Failed to allocate buffers after transitioning to IDLE state "
2896             "(error 0x%08x)",
2897             err);
2898
2899        mCodec->signalError(OMX_ErrorUndefined, err);
2900    }
2901}
2902
2903status_t ACodec::LoadedToIdleState::allocateBuffers() {
2904    status_t err = mCodec->allocateBuffersOnPort(kPortIndexInput);
2905
2906    if (err != OK) {
2907        return err;
2908    }
2909
2910    return mCodec->allocateBuffersOnPort(kPortIndexOutput);
2911}
2912
2913bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
2914    switch (msg->what()) {
2915        case kWhatShutdown:
2916        {
2917            mCodec->deferMessage(msg);
2918            return true;
2919        }
2920
2921        default:
2922            return BaseState::onMessageReceived(msg);
2923    }
2924}
2925
2926bool ACodec::LoadedToIdleState::onOMXEvent(
2927        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
2928    switch (event) {
2929        case OMX_EventCmdComplete:
2930        {
2931            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
2932            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
2933
2934            CHECK_EQ(mCodec->mOMX->sendCommand(
2935                        mCodec->mNode, OMX_CommandStateSet, OMX_StateExecuting),
2936                     (status_t)OK);
2937
2938            mCodec->changeState(mCodec->mIdleToExecutingState);
2939
2940            return true;
2941        }
2942
2943        default:
2944            return BaseState::onOMXEvent(event, data1, data2);
2945    }
2946}
2947
2948////////////////////////////////////////////////////////////////////////////////
2949
2950ACodec::IdleToExecutingState::IdleToExecutingState(ACodec *codec)
2951    : BaseState(codec) {
2952}
2953
2954void ACodec::IdleToExecutingState::stateEntered() {
2955    ALOGV("[%s] Now Idle->Executing", mCodec->mComponentName.c_str());
2956}
2957
2958bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
2959    switch (msg->what()) {
2960        case kWhatShutdown:
2961        {
2962            mCodec->deferMessage(msg);
2963            return true;
2964        }
2965
2966        default:
2967            return BaseState::onMessageReceived(msg);
2968    }
2969}
2970
2971bool ACodec::IdleToExecutingState::onOMXEvent(
2972        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
2973    switch (event) {
2974        case OMX_EventCmdComplete:
2975        {
2976            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
2977            CHECK_EQ(data2, (OMX_U32)OMX_StateExecuting);
2978
2979            mCodec->mExecutingState->resume();
2980            mCodec->changeState(mCodec->mExecutingState);
2981
2982            return true;
2983        }
2984
2985        default:
2986            return BaseState::onOMXEvent(event, data1, data2);
2987    }
2988}
2989
2990////////////////////////////////////////////////////////////////////////////////
2991
2992ACodec::ExecutingState::ExecutingState(ACodec *codec)
2993    : BaseState(codec),
2994      mActive(false) {
2995}
2996
2997ACodec::BaseState::PortMode ACodec::ExecutingState::getPortMode(
2998        OMX_U32 portIndex) {
2999    return RESUBMIT_BUFFERS;
3000}
3001
3002void ACodec::ExecutingState::submitOutputBuffers() {
3003    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexOutput].size(); ++i) {
3004        BufferInfo *info = &mCodec->mBuffers[kPortIndexOutput].editItemAt(i);
3005
3006        if (mCodec->mNativeWindow != NULL) {
3007            CHECK(info->mStatus == BufferInfo::OWNED_BY_US
3008                    || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
3009
3010            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3011                continue;
3012            }
3013
3014            status_t err = mCodec->mNativeWindow->lockBuffer(
3015                    mCodec->mNativeWindow.get(),
3016                    info->mGraphicBuffer.get());
3017            CHECK_EQ(err, (status_t)OK);
3018        } else {
3019            CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
3020        }
3021
3022        ALOGV("[%s] calling fillBuffer %p",
3023             mCodec->mComponentName.c_str(), info->mBufferID);
3024
3025        CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3026                 (status_t)OK);
3027
3028        info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3029    }
3030}
3031
3032void ACodec::ExecutingState::resume() {
3033    if (mActive) {
3034        ALOGV("[%s] We're already active, no need to resume.",
3035             mCodec->mComponentName.c_str());
3036
3037        return;
3038    }
3039
3040    submitOutputBuffers();
3041
3042    // Post the first input buffer.
3043    CHECK_GT(mCodec->mBuffers[kPortIndexInput].size(), 0u);
3044    BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(0);
3045
3046    postFillThisBuffer(info);
3047
3048    mActive = true;
3049}
3050
3051void ACodec::ExecutingState::stateEntered() {
3052    ALOGV("[%s] Now Executing", mCodec->mComponentName.c_str());
3053
3054    mCodec->processDeferredMessages();
3055}
3056
3057bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3058    bool handled = false;
3059
3060    switch (msg->what()) {
3061        case kWhatShutdown:
3062        {
3063            int32_t keepComponentAllocated;
3064            CHECK(msg->findInt32(
3065                        "keepComponentAllocated", &keepComponentAllocated));
3066
3067            mCodec->mShutdownInProgress = true;
3068            mCodec->mKeepComponentAllocated = keepComponentAllocated;
3069
3070            mActive = false;
3071
3072            CHECK_EQ(mCodec->mOMX->sendCommand(
3073                        mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3074                     (status_t)OK);
3075
3076            mCodec->changeState(mCodec->mExecutingToIdleState);
3077
3078            handled = true;
3079            break;
3080        }
3081
3082        case kWhatFlush:
3083        {
3084            ALOGV("[%s] ExecutingState flushing now "
3085                 "(codec owns %d/%d input, %d/%d output).",
3086                    mCodec->mComponentName.c_str(),
3087                    mCodec->countBuffersOwnedByComponent(kPortIndexInput),
3088                    mCodec->mBuffers[kPortIndexInput].size(),
3089                    mCodec->countBuffersOwnedByComponent(kPortIndexOutput),
3090                    mCodec->mBuffers[kPortIndexOutput].size());
3091
3092            mActive = false;
3093
3094            CHECK_EQ(mCodec->mOMX->sendCommand(
3095                        mCodec->mNode, OMX_CommandFlush, OMX_ALL),
3096                     (status_t)OK);
3097
3098            mCodec->changeState(mCodec->mFlushingState);
3099
3100            handled = true;
3101            break;
3102        }
3103
3104        case kWhatResume:
3105        {
3106            resume();
3107
3108            handled = true;
3109            break;
3110        }
3111
3112        default:
3113            handled = BaseState::onMessageReceived(msg);
3114            break;
3115    }
3116
3117    return handled;
3118}
3119
3120bool ACodec::ExecutingState::onOMXEvent(
3121        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3122    switch (event) {
3123        case OMX_EventPortSettingsChanged:
3124        {
3125            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
3126
3127            if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
3128                CHECK_EQ(mCodec->mOMX->sendCommand(
3129                            mCodec->mNode,
3130                            OMX_CommandPortDisable, kPortIndexOutput),
3131                         (status_t)OK);
3132
3133                mCodec->freeOutputBuffersNotOwnedByComponent();
3134
3135                mCodec->changeState(mCodec->mOutputPortSettingsChangedState);
3136            } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
3137                mCodec->mSentFormat = false;
3138            } else {
3139                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
3140                     mCodec->mComponentName.c_str(), data2);
3141            }
3142
3143            return true;
3144        }
3145
3146        case OMX_EventBufferFlag:
3147        {
3148            return true;
3149        }
3150
3151        default:
3152            return BaseState::onOMXEvent(event, data1, data2);
3153    }
3154}
3155
3156////////////////////////////////////////////////////////////////////////////////
3157
3158ACodec::OutputPortSettingsChangedState::OutputPortSettingsChangedState(
3159        ACodec *codec)
3160    : BaseState(codec) {
3161}
3162
3163ACodec::BaseState::PortMode ACodec::OutputPortSettingsChangedState::getPortMode(
3164        OMX_U32 portIndex) {
3165    if (portIndex == kPortIndexOutput) {
3166        return FREE_BUFFERS;
3167    }
3168
3169    CHECK_EQ(portIndex, (OMX_U32)kPortIndexInput);
3170
3171    return RESUBMIT_BUFFERS;
3172}
3173
3174bool ACodec::OutputPortSettingsChangedState::onMessageReceived(
3175        const sp<AMessage> &msg) {
3176    bool handled = false;
3177
3178    switch (msg->what()) {
3179        case kWhatFlush:
3180        case kWhatShutdown:
3181        case kWhatResume:
3182        {
3183            if (msg->what() == kWhatResume) {
3184                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
3185            }
3186
3187            mCodec->deferMessage(msg);
3188            handled = true;
3189            break;
3190        }
3191
3192        default:
3193            handled = BaseState::onMessageReceived(msg);
3194            break;
3195    }
3196
3197    return handled;
3198}
3199
3200void ACodec::OutputPortSettingsChangedState::stateEntered() {
3201    ALOGV("[%s] Now handling output port settings change",
3202         mCodec->mComponentName.c_str());
3203}
3204
3205bool ACodec::OutputPortSettingsChangedState::onOMXEvent(
3206        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3207    switch (event) {
3208        case OMX_EventCmdComplete:
3209        {
3210            if (data1 == (OMX_U32)OMX_CommandPortDisable) {
3211                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
3212
3213                ALOGV("[%s] Output port now disabled.",
3214                        mCodec->mComponentName.c_str());
3215
3216                CHECK(mCodec->mBuffers[kPortIndexOutput].isEmpty());
3217                mCodec->mDealer[kPortIndexOutput].clear();
3218
3219                CHECK_EQ(mCodec->mOMX->sendCommand(
3220                            mCodec->mNode, OMX_CommandPortEnable, kPortIndexOutput),
3221                         (status_t)OK);
3222
3223                status_t err;
3224                if ((err = mCodec->allocateBuffersOnPort(
3225                                kPortIndexOutput)) != OK) {
3226                    ALOGE("Failed to allocate output port buffers after "
3227                         "port reconfiguration (error 0x%08x)",
3228                         err);
3229
3230                    mCodec->signalError(OMX_ErrorUndefined, err);
3231
3232                    // This is technically not correct, since we were unable
3233                    // to allocate output buffers and therefore the output port
3234                    // remains disabled. It is necessary however to allow us
3235                    // to shutdown the codec properly.
3236                    mCodec->changeState(mCodec->mExecutingState);
3237                }
3238
3239                return true;
3240            } else if (data1 == (OMX_U32)OMX_CommandPortEnable) {
3241                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
3242
3243                mCodec->mSentFormat = false;
3244
3245                ALOGV("[%s] Output port now reenabled.",
3246                        mCodec->mComponentName.c_str());
3247
3248                if (mCodec->mExecutingState->active()) {
3249                    mCodec->mExecutingState->submitOutputBuffers();
3250                }
3251
3252                mCodec->changeState(mCodec->mExecutingState);
3253
3254                return true;
3255            }
3256
3257            return false;
3258        }
3259
3260        default:
3261            return false;
3262    }
3263}
3264
3265////////////////////////////////////////////////////////////////////////////////
3266
3267ACodec::ExecutingToIdleState::ExecutingToIdleState(ACodec *codec)
3268    : BaseState(codec),
3269      mComponentNowIdle(false) {
3270}
3271
3272bool ACodec::ExecutingToIdleState::onMessageReceived(const sp<AMessage> &msg) {
3273    bool handled = false;
3274
3275    switch (msg->what()) {
3276        case kWhatFlush:
3277        {
3278            // Don't send me a flush request if you previously wanted me
3279            // to shutdown.
3280            TRESPASS();
3281            break;
3282        }
3283
3284        case kWhatShutdown:
3285        {
3286            // We're already doing that...
3287
3288            handled = true;
3289            break;
3290        }
3291
3292        default:
3293            handled = BaseState::onMessageReceived(msg);
3294            break;
3295    }
3296
3297    return handled;
3298}
3299
3300void ACodec::ExecutingToIdleState::stateEntered() {
3301    ALOGV("[%s] Now Executing->Idle", mCodec->mComponentName.c_str());
3302
3303    mComponentNowIdle = false;
3304    mCodec->mSentFormat = false;
3305}
3306
3307bool ACodec::ExecutingToIdleState::onOMXEvent(
3308        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3309    switch (event) {
3310        case OMX_EventCmdComplete:
3311        {
3312            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3313            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
3314
3315            mComponentNowIdle = true;
3316
3317            changeStateIfWeOwnAllBuffers();
3318
3319            return true;
3320        }
3321
3322        case OMX_EventPortSettingsChanged:
3323        case OMX_EventBufferFlag:
3324        {
3325            // We're shutting down and don't care about this anymore.
3326            return true;
3327        }
3328
3329        default:
3330            return BaseState::onOMXEvent(event, data1, data2);
3331    }
3332}
3333
3334void ACodec::ExecutingToIdleState::changeStateIfWeOwnAllBuffers() {
3335    if (mComponentNowIdle && mCodec->allYourBuffersAreBelongToUs()) {
3336        CHECK_EQ(mCodec->mOMX->sendCommand(
3337                    mCodec->mNode, OMX_CommandStateSet, OMX_StateLoaded),
3338                 (status_t)OK);
3339
3340        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexInput), (status_t)OK);
3341        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexOutput), (status_t)OK);
3342
3343        mCodec->changeState(mCodec->mIdleToLoadedState);
3344    }
3345}
3346
3347void ACodec::ExecutingToIdleState::onInputBufferFilled(
3348        const sp<AMessage> &msg) {
3349    BaseState::onInputBufferFilled(msg);
3350
3351    changeStateIfWeOwnAllBuffers();
3352}
3353
3354void ACodec::ExecutingToIdleState::onOutputBufferDrained(
3355        const sp<AMessage> &msg) {
3356    BaseState::onOutputBufferDrained(msg);
3357
3358    changeStateIfWeOwnAllBuffers();
3359}
3360
3361////////////////////////////////////////////////////////////////////////////////
3362
3363ACodec::IdleToLoadedState::IdleToLoadedState(ACodec *codec)
3364    : BaseState(codec) {
3365}
3366
3367bool ACodec::IdleToLoadedState::onMessageReceived(const sp<AMessage> &msg) {
3368    bool handled = false;
3369
3370    switch (msg->what()) {
3371        case kWhatShutdown:
3372        {
3373            // We're already doing that...
3374
3375            handled = true;
3376            break;
3377        }
3378
3379        case kWhatFlush:
3380        {
3381            // Don't send me a flush request if you previously wanted me
3382            // to shutdown.
3383            TRESPASS();
3384            break;
3385        }
3386
3387        default:
3388            handled = BaseState::onMessageReceived(msg);
3389            break;
3390    }
3391
3392    return handled;
3393}
3394
3395void ACodec::IdleToLoadedState::stateEntered() {
3396    ALOGV("[%s] Now Idle->Loaded", mCodec->mComponentName.c_str());
3397}
3398
3399bool ACodec::IdleToLoadedState::onOMXEvent(
3400        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3401    switch (event) {
3402        case OMX_EventCmdComplete:
3403        {
3404            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3405            CHECK_EQ(data2, (OMX_U32)OMX_StateLoaded);
3406
3407            mCodec->changeState(mCodec->mLoadedState);
3408
3409            return true;
3410        }
3411
3412        default:
3413            return BaseState::onOMXEvent(event, data1, data2);
3414    }
3415}
3416
3417////////////////////////////////////////////////////////////////////////////////
3418
3419ACodec::FlushingState::FlushingState(ACodec *codec)
3420    : BaseState(codec) {
3421}
3422
3423void ACodec::FlushingState::stateEntered() {
3424    ALOGV("[%s] Now Flushing", mCodec->mComponentName.c_str());
3425
3426    mFlushComplete[kPortIndexInput] = mFlushComplete[kPortIndexOutput] = false;
3427}
3428
3429bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
3430    bool handled = false;
3431
3432    switch (msg->what()) {
3433        case kWhatShutdown:
3434        {
3435            mCodec->deferMessage(msg);
3436            break;
3437        }
3438
3439        case kWhatFlush:
3440        {
3441            // We're already doing this right now.
3442            handled = true;
3443            break;
3444        }
3445
3446        default:
3447            handled = BaseState::onMessageReceived(msg);
3448            break;
3449    }
3450
3451    return handled;
3452}
3453
3454bool ACodec::FlushingState::onOMXEvent(
3455        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3456    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
3457            mCodec->mComponentName.c_str(), event, data1);
3458
3459    switch (event) {
3460        case OMX_EventCmdComplete:
3461        {
3462            CHECK_EQ(data1, (OMX_U32)OMX_CommandFlush);
3463
3464            if (data2 == kPortIndexInput || data2 == kPortIndexOutput) {
3465                CHECK(!mFlushComplete[data2]);
3466                mFlushComplete[data2] = true;
3467
3468                if (mFlushComplete[kPortIndexInput]
3469                        && mFlushComplete[kPortIndexOutput]) {
3470                    changeStateIfWeOwnAllBuffers();
3471                }
3472            } else {
3473                CHECK_EQ(data2, OMX_ALL);
3474                CHECK(mFlushComplete[kPortIndexInput]);
3475                CHECK(mFlushComplete[kPortIndexOutput]);
3476
3477                changeStateIfWeOwnAllBuffers();
3478            }
3479
3480            return true;
3481        }
3482
3483        case OMX_EventPortSettingsChanged:
3484        {
3485            sp<AMessage> msg = new AMessage(kWhatOMXMessage, mCodec->id());
3486            msg->setInt32("type", omx_message::EVENT);
3487            msg->setPointer("node", mCodec->mNode);
3488            msg->setInt32("event", event);
3489            msg->setInt32("data1", data1);
3490            msg->setInt32("data2", data2);
3491
3492            ALOGV("[%s] Deferring OMX_EventPortSettingsChanged",
3493                 mCodec->mComponentName.c_str());
3494
3495            mCodec->deferMessage(msg);
3496
3497            return true;
3498        }
3499
3500        default:
3501            return BaseState::onOMXEvent(event, data1, data2);
3502    }
3503
3504    return true;
3505}
3506
3507void ACodec::FlushingState::onOutputBufferDrained(const sp<AMessage> &msg) {
3508    BaseState::onOutputBufferDrained(msg);
3509
3510    changeStateIfWeOwnAllBuffers();
3511}
3512
3513void ACodec::FlushingState::onInputBufferFilled(const sp<AMessage> &msg) {
3514    BaseState::onInputBufferFilled(msg);
3515
3516    changeStateIfWeOwnAllBuffers();
3517}
3518
3519void ACodec::FlushingState::changeStateIfWeOwnAllBuffers() {
3520    if (mFlushComplete[kPortIndexInput]
3521            && mFlushComplete[kPortIndexOutput]
3522            && mCodec->allYourBuffersAreBelongToUs()) {
3523        sp<AMessage> notify = mCodec->mNotify->dup();
3524        notify->setInt32("what", ACodec::kWhatFlushCompleted);
3525        notify->post();
3526
3527        mCodec->mPortEOS[kPortIndexInput] =
3528            mCodec->mPortEOS[kPortIndexOutput] = false;
3529
3530        mCodec->mInputEOSResult = OK;
3531
3532        mCodec->changeState(mCodec->mExecutingState);
3533    }
3534}
3535
3536}  // namespace android
3537