ACodec.cpp revision 1f9374bad4f59d619ef30f227705a926dabf41d5 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "ACodec"
19
20#include <media/stagefright/ACodec.h>
21
22#include <binder/MemoryDealer.h>
23
24#include <media/stagefright/foundation/hexdump.h>
25#include <media/stagefright/foundation/ABuffer.h>
26#include <media/stagefright/foundation/ADebug.h>
27#include <media/stagefright/foundation/AMessage.h>
28
29#include <media/stagefright/BufferProducerWrapper.h>
30#include <media/stagefright/MediaCodecList.h>
31#include <media/stagefright/MediaDefs.h>
32#include <media/stagefright/NativeWindowWrapper.h>
33#include <media/stagefright/OMXClient.h>
34#include <media/stagefright/OMXCodec.h>
35
36#include <media/hardware/HardwareAPI.h>
37
38#include <OMX_Component.h>
39
40#include "include/avc_utils.h"
41
42namespace android {
43
44template<class T>
45static void InitOMXParams(T *params) {
46    params->nSize = sizeof(T);
47    params->nVersion.s.nVersionMajor = 1;
48    params->nVersion.s.nVersionMinor = 0;
49    params->nVersion.s.nRevision = 0;
50    params->nVersion.s.nStep = 0;
51}
52
53struct CodecObserver : public BnOMXObserver {
54    CodecObserver() {}
55
56    void setNotificationMessage(const sp<AMessage> &msg) {
57        mNotify = msg;
58    }
59
60    // from IOMXObserver
61    virtual void onMessage(const omx_message &omx_msg) {
62        sp<AMessage> msg = mNotify->dup();
63
64        msg->setInt32("type", omx_msg.type);
65        msg->setPointer("node", omx_msg.node);
66
67        switch (omx_msg.type) {
68            case omx_message::EVENT:
69            {
70                msg->setInt32("event", omx_msg.u.event_data.event);
71                msg->setInt32("data1", omx_msg.u.event_data.data1);
72                msg->setInt32("data2", omx_msg.u.event_data.data2);
73                break;
74            }
75
76            case omx_message::EMPTY_BUFFER_DONE:
77            {
78                msg->setPointer("buffer", omx_msg.u.buffer_data.buffer);
79                break;
80            }
81
82            case omx_message::FILL_BUFFER_DONE:
83            {
84                msg->setPointer(
85                        "buffer", omx_msg.u.extended_buffer_data.buffer);
86                msg->setInt32(
87                        "range_offset",
88                        omx_msg.u.extended_buffer_data.range_offset);
89                msg->setInt32(
90                        "range_length",
91                        omx_msg.u.extended_buffer_data.range_length);
92                msg->setInt32(
93                        "flags",
94                        omx_msg.u.extended_buffer_data.flags);
95                msg->setInt64(
96                        "timestamp",
97                        omx_msg.u.extended_buffer_data.timestamp);
98                msg->setPointer(
99                        "platform_private",
100                        omx_msg.u.extended_buffer_data.platform_private);
101                msg->setPointer(
102                        "data_ptr",
103                        omx_msg.u.extended_buffer_data.data_ptr);
104                break;
105            }
106
107            default:
108                TRESPASS();
109                break;
110        }
111
112        msg->post();
113    }
114
115protected:
116    virtual ~CodecObserver() {}
117
118private:
119    sp<AMessage> mNotify;
120
121    DISALLOW_EVIL_CONSTRUCTORS(CodecObserver);
122};
123
124////////////////////////////////////////////////////////////////////////////////
125
126struct ACodec::BaseState : public AState {
127    BaseState(ACodec *codec, const sp<AState> &parentState = NULL);
128
129protected:
130    enum PortMode {
131        KEEP_BUFFERS,
132        RESUBMIT_BUFFERS,
133        FREE_BUFFERS,
134    };
135
136    ACodec *mCodec;
137
138    virtual PortMode getPortMode(OMX_U32 portIndex);
139
140    virtual bool onMessageReceived(const sp<AMessage> &msg);
141
142    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
143
144    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
145    virtual void onInputBufferFilled(const sp<AMessage> &msg);
146
147    void postFillThisBuffer(BufferInfo *info);
148
149private:
150    bool onOMXMessage(const sp<AMessage> &msg);
151
152    bool onOMXEmptyBufferDone(IOMX::buffer_id bufferID);
153
154    bool onOMXFillBufferDone(
155            IOMX::buffer_id bufferID,
156            size_t rangeOffset, size_t rangeLength,
157            OMX_U32 flags,
158            int64_t timeUs,
159            void *platformPrivate,
160            void *dataPtr);
161
162    void getMoreInputDataIfPossible();
163
164    DISALLOW_EVIL_CONSTRUCTORS(BaseState);
165};
166
167////////////////////////////////////////////////////////////////////////////////
168
169struct ACodec::DeathNotifier : public IBinder::DeathRecipient {
170    DeathNotifier(const sp<AMessage> &notify)
171        : mNotify(notify) {
172    }
173
174    virtual void binderDied(const wp<IBinder> &) {
175        mNotify->post();
176    }
177
178protected:
179    virtual ~DeathNotifier() {}
180
181private:
182    sp<AMessage> mNotify;
183
184    DISALLOW_EVIL_CONSTRUCTORS(DeathNotifier);
185};
186
187struct ACodec::UninitializedState : public ACodec::BaseState {
188    UninitializedState(ACodec *codec);
189
190protected:
191    virtual bool onMessageReceived(const sp<AMessage> &msg);
192    virtual void stateEntered();
193
194private:
195    void onSetup(const sp<AMessage> &msg);
196    bool onAllocateComponent(const sp<AMessage> &msg);
197
198    sp<DeathNotifier> mDeathNotifier;
199
200    DISALLOW_EVIL_CONSTRUCTORS(UninitializedState);
201};
202
203////////////////////////////////////////////////////////////////////////////////
204
205struct ACodec::LoadedState : public ACodec::BaseState {
206    LoadedState(ACodec *codec);
207
208protected:
209    virtual bool onMessageReceived(const sp<AMessage> &msg);
210    virtual void stateEntered();
211
212private:
213    friend struct ACodec::UninitializedState;
214
215    bool onConfigureComponent(const sp<AMessage> &msg);
216    void onCreateInputSurface(const sp<AMessage> &msg);
217    void onStart();
218    void onShutdown(bool keepComponentAllocated);
219
220    DISALLOW_EVIL_CONSTRUCTORS(LoadedState);
221};
222
223////////////////////////////////////////////////////////////////////////////////
224
225struct ACodec::LoadedToIdleState : public ACodec::BaseState {
226    LoadedToIdleState(ACodec *codec);
227
228protected:
229    virtual bool onMessageReceived(const sp<AMessage> &msg);
230    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
231    virtual void stateEntered();
232
233private:
234    status_t allocateBuffers();
235
236    DISALLOW_EVIL_CONSTRUCTORS(LoadedToIdleState);
237};
238
239////////////////////////////////////////////////////////////////////////////////
240
241struct ACodec::IdleToExecutingState : public ACodec::BaseState {
242    IdleToExecutingState(ACodec *codec);
243
244protected:
245    virtual bool onMessageReceived(const sp<AMessage> &msg);
246    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
247    virtual void stateEntered();
248
249private:
250    DISALLOW_EVIL_CONSTRUCTORS(IdleToExecutingState);
251};
252
253////////////////////////////////////////////////////////////////////////////////
254
255struct ACodec::ExecutingState : public ACodec::BaseState {
256    ExecutingState(ACodec *codec);
257
258    void submitOutputBuffers();
259
260    // Submit output buffers to the decoder, submit input buffers to client
261    // to fill with data.
262    void resume();
263
264    // Returns true iff input and output buffers are in play.
265    bool active() const { return mActive; }
266
267protected:
268    virtual PortMode getPortMode(OMX_U32 portIndex);
269    virtual bool onMessageReceived(const sp<AMessage> &msg);
270    virtual void stateEntered();
271
272    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
273
274private:
275    bool mActive;
276
277    DISALLOW_EVIL_CONSTRUCTORS(ExecutingState);
278};
279
280////////////////////////////////////////////////////////////////////////////////
281
282struct ACodec::OutputPortSettingsChangedState : public ACodec::BaseState {
283    OutputPortSettingsChangedState(ACodec *codec);
284
285protected:
286    virtual PortMode getPortMode(OMX_U32 portIndex);
287    virtual bool onMessageReceived(const sp<AMessage> &msg);
288    virtual void stateEntered();
289
290    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
291
292private:
293    DISALLOW_EVIL_CONSTRUCTORS(OutputPortSettingsChangedState);
294};
295
296////////////////////////////////////////////////////////////////////////////////
297
298struct ACodec::ExecutingToIdleState : public ACodec::BaseState {
299    ExecutingToIdleState(ACodec *codec);
300
301protected:
302    virtual bool onMessageReceived(const sp<AMessage> &msg);
303    virtual void stateEntered();
304
305    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
306
307    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
308    virtual void onInputBufferFilled(const sp<AMessage> &msg);
309
310private:
311    void changeStateIfWeOwnAllBuffers();
312
313    bool mComponentNowIdle;
314
315    DISALLOW_EVIL_CONSTRUCTORS(ExecutingToIdleState);
316};
317
318////////////////////////////////////////////////////////////////////////////////
319
320struct ACodec::IdleToLoadedState : public ACodec::BaseState {
321    IdleToLoadedState(ACodec *codec);
322
323protected:
324    virtual bool onMessageReceived(const sp<AMessage> &msg);
325    virtual void stateEntered();
326
327    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
328
329private:
330    DISALLOW_EVIL_CONSTRUCTORS(IdleToLoadedState);
331};
332
333////////////////////////////////////////////////////////////////////////////////
334
335struct ACodec::FlushingState : public ACodec::BaseState {
336    FlushingState(ACodec *codec);
337
338protected:
339    virtual bool onMessageReceived(const sp<AMessage> &msg);
340    virtual void stateEntered();
341
342    virtual bool onOMXEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
343
344    virtual void onOutputBufferDrained(const sp<AMessage> &msg);
345    virtual void onInputBufferFilled(const sp<AMessage> &msg);
346
347private:
348    bool mFlushComplete[2];
349
350    void changeStateIfWeOwnAllBuffers();
351
352    DISALLOW_EVIL_CONSTRUCTORS(FlushingState);
353};
354
355////////////////////////////////////////////////////////////////////////////////
356
357ACodec::ACodec()
358    : mQuirks(0),
359      mNode(NULL),
360      mSentFormat(false),
361      mIsEncoder(false),
362      mShutdownInProgress(false),
363      mEncoderDelay(0),
364      mEncoderPadding(0),
365      mChannelMaskPresent(false),
366      mChannelMask(0) {
367    mUninitializedState = new UninitializedState(this);
368    mLoadedState = new LoadedState(this);
369    mLoadedToIdleState = new LoadedToIdleState(this);
370    mIdleToExecutingState = new IdleToExecutingState(this);
371    mExecutingState = new ExecutingState(this);
372
373    mOutputPortSettingsChangedState =
374        new OutputPortSettingsChangedState(this);
375
376    mExecutingToIdleState = new ExecutingToIdleState(this);
377    mIdleToLoadedState = new IdleToLoadedState(this);
378    mFlushingState = new FlushingState(this);
379
380    mPortEOS[kPortIndexInput] = mPortEOS[kPortIndexOutput] = false;
381    mInputEOSResult = OK;
382
383    changeState(mUninitializedState);
384}
385
386ACodec::~ACodec() {
387}
388
389void ACodec::setNotificationMessage(const sp<AMessage> &msg) {
390    mNotify = msg;
391}
392
393void ACodec::initiateSetup(const sp<AMessage> &msg) {
394    msg->setWhat(kWhatSetup);
395    msg->setTarget(id());
396    msg->post();
397}
398
399void ACodec::signalSetParameters(const sp<AMessage> &params) {
400    sp<AMessage> msg = new AMessage(kWhatSetParameters, id());
401    msg->setMessage("params", params);
402    msg->post();
403}
404
405void ACodec::initiateAllocateComponent(const sp<AMessage> &msg) {
406    msg->setWhat(kWhatAllocateComponent);
407    msg->setTarget(id());
408    msg->post();
409}
410
411void ACodec::initiateConfigureComponent(const sp<AMessage> &msg) {
412    msg->setWhat(kWhatConfigureComponent);
413    msg->setTarget(id());
414    msg->post();
415}
416
417void ACodec::initiateCreateInputSurface() {
418    (new AMessage(kWhatCreateInputSurface, id()))->post();
419}
420
421void ACodec::signalEndOfInputStream() {
422    (new AMessage(kWhatSignalEndOfInputStream, id()))->post();
423}
424
425void ACodec::initiateStart() {
426    (new AMessage(kWhatStart, id()))->post();
427}
428
429void ACodec::signalFlush() {
430    ALOGV("[%s] signalFlush", mComponentName.c_str());
431    (new AMessage(kWhatFlush, id()))->post();
432}
433
434void ACodec::signalResume() {
435    (new AMessage(kWhatResume, id()))->post();
436}
437
438void ACodec::initiateShutdown(bool keepComponentAllocated) {
439    sp<AMessage> msg = new AMessage(kWhatShutdown, id());
440    msg->setInt32("keepComponentAllocated", keepComponentAllocated);
441    msg->post();
442}
443
444void ACodec::signalRequestIDRFrame() {
445    (new AMessage(kWhatRequestIDRFrame, id()))->post();
446}
447
448status_t ACodec::allocateBuffersOnPort(OMX_U32 portIndex) {
449    CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput);
450
451    CHECK(mDealer[portIndex] == NULL);
452    CHECK(mBuffers[portIndex].isEmpty());
453
454    status_t err;
455    if (mNativeWindow != NULL && portIndex == kPortIndexOutput) {
456        err = allocateOutputBuffersFromNativeWindow();
457    } else {
458        OMX_PARAM_PORTDEFINITIONTYPE def;
459        InitOMXParams(&def);
460        def.nPortIndex = portIndex;
461
462        err = mOMX->getParameter(
463                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
464
465        if (err == OK) {
466            ALOGV("[%s] Allocating %lu buffers of size %lu on %s port",
467                    mComponentName.c_str(),
468                    def.nBufferCountActual, def.nBufferSize,
469                    portIndex == kPortIndexInput ? "input" : "output");
470
471            size_t totalSize = def.nBufferCountActual * def.nBufferSize;
472            mDealer[portIndex] = new MemoryDealer(totalSize, "ACodec");
473
474            for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
475                sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
476                CHECK(mem.get() != NULL);
477
478                BufferInfo info;
479                info.mStatus = BufferInfo::OWNED_BY_US;
480
481                uint32_t requiresAllocateBufferBit =
482                    (portIndex == kPortIndexInput)
483                        ? OMXCodec::kRequiresAllocateBufferOnInputPorts
484                        : OMXCodec::kRequiresAllocateBufferOnOutputPorts;
485
486                if (portIndex == kPortIndexInput && (mFlags & kFlagIsSecure)) {
487                    mem.clear();
488
489                    void *ptr;
490                    err = mOMX->allocateBuffer(
491                            mNode, portIndex, def.nBufferSize, &info.mBufferID,
492                            &ptr);
493
494                    info.mData = new ABuffer(ptr, def.nBufferSize);
495                } else if (mQuirks & requiresAllocateBufferBit) {
496                    err = mOMX->allocateBufferWithBackup(
497                            mNode, portIndex, mem, &info.mBufferID);
498                } else {
499                    err = mOMX->useBuffer(mNode, portIndex, mem, &info.mBufferID);
500                }
501
502                if (mem != NULL) {
503                    info.mData = new ABuffer(mem->pointer(), def.nBufferSize);
504                }
505
506                mBuffers[portIndex].push(info);
507            }
508        }
509    }
510
511    if (err != OK) {
512        return err;
513    }
514
515    sp<AMessage> notify = mNotify->dup();
516    notify->setInt32("what", ACodec::kWhatBuffersAllocated);
517
518    notify->setInt32("portIndex", portIndex);
519
520    sp<PortDescription> desc = new PortDescription;
521
522    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
523        const BufferInfo &info = mBuffers[portIndex][i];
524
525        desc->addBuffer(info.mBufferID, info.mData);
526    }
527
528    notify->setObject("portDesc", desc);
529    notify->post();
530
531    return OK;
532}
533
534status_t ACodec::allocateOutputBuffersFromNativeWindow() {
535    OMX_PARAM_PORTDEFINITIONTYPE def;
536    InitOMXParams(&def);
537    def.nPortIndex = kPortIndexOutput;
538
539    status_t err = mOMX->getParameter(
540            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
541
542    if (err != OK) {
543        return err;
544    }
545
546    err = native_window_set_buffers_geometry(
547            mNativeWindow.get(),
548            def.format.video.nFrameWidth,
549            def.format.video.nFrameHeight,
550            def.format.video.eColorFormat);
551
552    if (err != 0) {
553        ALOGE("native_window_set_buffers_geometry failed: %s (%d)",
554                strerror(-err), -err);
555        return err;
556    }
557
558    // Set up the native window.
559    OMX_U32 usage = 0;
560    err = mOMX->getGraphicBufferUsage(mNode, kPortIndexOutput, &usage);
561    if (err != 0) {
562        ALOGW("querying usage flags from OMX IL component failed: %d", err);
563        // XXX: Currently this error is logged, but not fatal.
564        usage = 0;
565    }
566
567    if (mFlags & kFlagIsSecure) {
568        usage |= GRALLOC_USAGE_PROTECTED;
569    }
570
571    // Make sure to check whether either Stagefright or the video decoder
572    // requested protected buffers.
573    if (usage & GRALLOC_USAGE_PROTECTED) {
574        // Verify that the ANativeWindow sends images directly to
575        // SurfaceFlinger.
576        int queuesToNativeWindow = 0;
577        err = mNativeWindow->query(
578                mNativeWindow.get(), NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
579                &queuesToNativeWindow);
580        if (err != 0) {
581            ALOGE("error authenticating native window: %d", err);
582            return err;
583        }
584        if (queuesToNativeWindow != 1) {
585            ALOGE("native window could not be authenticated");
586            return PERMISSION_DENIED;
587        }
588    }
589
590    err = native_window_set_usage(
591            mNativeWindow.get(),
592            usage | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP);
593
594    if (err != 0) {
595        ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), -err);
596        return err;
597    }
598
599    int minUndequeuedBufs = 0;
600    err = mNativeWindow->query(
601            mNativeWindow.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
602            &minUndequeuedBufs);
603
604    if (err != 0) {
605        ALOGE("NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d)",
606                strerror(-err), -err);
607        return err;
608    }
609
610    // XXX: Is this the right logic to use?  It's not clear to me what the OMX
611    // buffer counts refer to - how do they account for the renderer holding on
612    // to buffers?
613    if (def.nBufferCountActual < def.nBufferCountMin + minUndequeuedBufs) {
614        OMX_U32 newBufferCount = def.nBufferCountMin + minUndequeuedBufs;
615        def.nBufferCountActual = newBufferCount;
616        err = mOMX->setParameter(
617                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
618
619        if (err != OK) {
620            ALOGE("[%s] setting nBufferCountActual to %lu failed: %d",
621                    mComponentName.c_str(), newBufferCount, err);
622            return err;
623        }
624    }
625
626    err = native_window_set_buffer_count(
627            mNativeWindow.get(), def.nBufferCountActual);
628
629    if (err != 0) {
630        ALOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-err),
631                -err);
632        return err;
633    }
634
635    ALOGV("[%s] Allocating %lu buffers from a native window of size %lu on "
636         "output port",
637         mComponentName.c_str(), def.nBufferCountActual, def.nBufferSize);
638
639    // Dequeue buffers and send them to OMX
640    for (OMX_U32 i = 0; i < def.nBufferCountActual; i++) {
641        ANativeWindowBuffer *buf;
642        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &buf);
643        if (err != 0) {
644            ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), -err);
645            break;
646        }
647
648        sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(buf, false));
649        BufferInfo info;
650        info.mStatus = BufferInfo::OWNED_BY_US;
651        info.mData = new ABuffer(NULL /* data */, def.nBufferSize /* capacity */);
652        info.mGraphicBuffer = graphicBuffer;
653        mBuffers[kPortIndexOutput].push(info);
654
655        IOMX::buffer_id bufferId;
656        err = mOMX->useGraphicBuffer(mNode, kPortIndexOutput, graphicBuffer,
657                &bufferId);
658        if (err != 0) {
659            ALOGE("registering GraphicBuffer %lu with OMX IL component failed: "
660                 "%d", i, err);
661            break;
662        }
663
664        mBuffers[kPortIndexOutput].editItemAt(i).mBufferID = bufferId;
665
666        ALOGV("[%s] Registered graphic buffer with ID %p (pointer = %p)",
667             mComponentName.c_str(),
668             bufferId, graphicBuffer.get());
669    }
670
671    OMX_U32 cancelStart;
672    OMX_U32 cancelEnd;
673
674    if (err != 0) {
675        // If an error occurred while dequeuing we need to cancel any buffers
676        // that were dequeued.
677        cancelStart = 0;
678        cancelEnd = mBuffers[kPortIndexOutput].size();
679    } else {
680        // Return the last two buffers to the native window.
681        cancelStart = def.nBufferCountActual - minUndequeuedBufs;
682        cancelEnd = def.nBufferCountActual;
683    }
684
685    for (OMX_U32 i = cancelStart; i < cancelEnd; i++) {
686        BufferInfo *info = &mBuffers[kPortIndexOutput].editItemAt(i);
687        cancelBufferToNativeWindow(info);
688    }
689
690    return err;
691}
692
693status_t ACodec::cancelBufferToNativeWindow(BufferInfo *info) {
694    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
695
696    ALOGV("[%s] Calling cancelBuffer on buffer %p",
697         mComponentName.c_str(), info->mBufferID);
698
699    int err = mNativeWindow->cancelBuffer(
700        mNativeWindow.get(), info->mGraphicBuffer.get(), -1);
701
702    CHECK_EQ(err, 0);
703
704    info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
705
706    return OK;
707}
708
709ACodec::BufferInfo *ACodec::dequeueBufferFromNativeWindow() {
710    ANativeWindowBuffer *buf;
711    int fenceFd = -1;
712    if (native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &buf) != 0) {
713        ALOGE("dequeueBuffer failed.");
714        return NULL;
715    }
716
717    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
718        BufferInfo *info =
719            &mBuffers[kPortIndexOutput].editItemAt(i);
720
721        if (info->mGraphicBuffer->handle == buf->handle) {
722            CHECK_EQ((int)info->mStatus,
723                     (int)BufferInfo::OWNED_BY_NATIVE_WINDOW);
724
725            info->mStatus = BufferInfo::OWNED_BY_US;
726
727            return info;
728        }
729    }
730
731    TRESPASS();
732
733    return NULL;
734}
735
736status_t ACodec::freeBuffersOnPort(OMX_U32 portIndex) {
737    for (size_t i = mBuffers[portIndex].size(); i-- > 0;) {
738        CHECK_EQ((status_t)OK, freeBuffer(portIndex, i));
739    }
740
741    mDealer[portIndex].clear();
742
743    return OK;
744}
745
746status_t ACodec::freeOutputBuffersNotOwnedByComponent() {
747    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
748        BufferInfo *info =
749            &mBuffers[kPortIndexOutput].editItemAt(i);
750
751        // At this time some buffers may still be with the component
752        // or being drained.
753        if (info->mStatus != BufferInfo::OWNED_BY_COMPONENT &&
754            info->mStatus != BufferInfo::OWNED_BY_DOWNSTREAM) {
755            CHECK_EQ((status_t)OK, freeBuffer(kPortIndexOutput, i));
756        }
757    }
758
759    return OK;
760}
761
762status_t ACodec::freeBuffer(OMX_U32 portIndex, size_t i) {
763    BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
764
765    CHECK(info->mStatus == BufferInfo::OWNED_BY_US
766            || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
767
768    if (portIndex == kPortIndexOutput && mNativeWindow != NULL
769            && info->mStatus == BufferInfo::OWNED_BY_US) {
770        CHECK_EQ((status_t)OK, cancelBufferToNativeWindow(info));
771    }
772
773    CHECK_EQ(mOMX->freeBuffer(
774                mNode, portIndex, info->mBufferID),
775             (status_t)OK);
776
777    mBuffers[portIndex].removeAt(i);
778
779    return OK;
780}
781
782ACodec::BufferInfo *ACodec::findBufferByID(
783        uint32_t portIndex, IOMX::buffer_id bufferID,
784        ssize_t *index) {
785    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
786        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
787
788        if (info->mBufferID == bufferID) {
789            if (index != NULL) {
790                *index = i;
791            }
792            return info;
793        }
794    }
795
796    TRESPASS();
797
798    return NULL;
799}
800
801status_t ACodec::setComponentRole(
802        bool isEncoder, const char *mime) {
803    struct MimeToRole {
804        const char *mime;
805        const char *decoderRole;
806        const char *encoderRole;
807    };
808
809    static const MimeToRole kMimeToRole[] = {
810        { MEDIA_MIMETYPE_AUDIO_MPEG,
811            "audio_decoder.mp3", "audio_encoder.mp3" },
812        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I,
813            "audio_decoder.mp1", "audio_encoder.mp1" },
814        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II,
815            "audio_decoder.mp2", "audio_encoder.mp2" },
816        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
817            "audio_decoder.amrnb", "audio_encoder.amrnb" },
818        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
819            "audio_decoder.amrwb", "audio_encoder.amrwb" },
820        { MEDIA_MIMETYPE_AUDIO_AAC,
821            "audio_decoder.aac", "audio_encoder.aac" },
822        { MEDIA_MIMETYPE_AUDIO_VORBIS,
823            "audio_decoder.vorbis", "audio_encoder.vorbis" },
824        { MEDIA_MIMETYPE_AUDIO_G711_MLAW,
825            "audio_decoder.g711mlaw", "audio_encoder.g711mlaw" },
826        { MEDIA_MIMETYPE_AUDIO_G711_ALAW,
827            "audio_decoder.g711alaw", "audio_encoder.g711alaw" },
828        { MEDIA_MIMETYPE_VIDEO_AVC,
829            "video_decoder.avc", "video_encoder.avc" },
830        { MEDIA_MIMETYPE_VIDEO_MPEG4,
831            "video_decoder.mpeg4", "video_encoder.mpeg4" },
832        { MEDIA_MIMETYPE_VIDEO_H263,
833            "video_decoder.h263", "video_encoder.h263" },
834        { MEDIA_MIMETYPE_VIDEO_VPX,
835            "video_decoder.vpx", "video_encoder.vpx" },
836        { MEDIA_MIMETYPE_AUDIO_RAW,
837            "audio_decoder.raw", "audio_encoder.raw" },
838        { MEDIA_MIMETYPE_AUDIO_FLAC,
839            "audio_decoder.flac", "audio_encoder.flac" },
840        { MEDIA_MIMETYPE_AUDIO_MSGSM,
841            "audio_decoder.gsm", "audio_encoder.gsm" },
842    };
843
844    static const size_t kNumMimeToRole =
845        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
846
847    size_t i;
848    for (i = 0; i < kNumMimeToRole; ++i) {
849        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
850            break;
851        }
852    }
853
854    if (i == kNumMimeToRole) {
855        return ERROR_UNSUPPORTED;
856    }
857
858    const char *role =
859        isEncoder ? kMimeToRole[i].encoderRole
860                  : kMimeToRole[i].decoderRole;
861
862    if (role != NULL) {
863        OMX_PARAM_COMPONENTROLETYPE roleParams;
864        InitOMXParams(&roleParams);
865
866        strncpy((char *)roleParams.cRole,
867                role, OMX_MAX_STRINGNAME_SIZE - 1);
868
869        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
870
871        status_t err = mOMX->setParameter(
872                mNode, OMX_IndexParamStandardComponentRole,
873                &roleParams, sizeof(roleParams));
874
875        if (err != OK) {
876            ALOGW("[%s] Failed to set standard component role '%s'.",
877                 mComponentName.c_str(), role);
878
879            return err;
880        }
881    }
882
883    return OK;
884}
885
886status_t ACodec::configureCodec(
887        const char *mime, const sp<AMessage> &msg) {
888    int32_t encoder;
889    if (!msg->findInt32("encoder", &encoder)) {
890        encoder = false;
891    }
892
893    mIsEncoder = encoder;
894
895    status_t err = setComponentRole(encoder /* isEncoder */, mime);
896
897    if (err != OK) {
898        return err;
899    }
900
901    int32_t bitRate = 0;
902    // FLAC encoder doesn't need a bitrate, other encoders do
903    if (encoder && strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)
904            && !msg->findInt32("bitrate", &bitRate)) {
905        return INVALID_OPERATION;
906    }
907
908    int32_t storeMeta;
909    if (encoder
910            && msg->findInt32("store-metadata-in-buffers", &storeMeta)
911            && storeMeta != 0) {
912        err = mOMX->storeMetaDataInBuffers(mNode, kPortIndexInput, OMX_TRUE);
913
914        if (err != OK) {
915            ALOGE("[%s] storeMetaDataInBuffers failed w/ err %d",
916                  mComponentName.c_str(), err);
917
918            return err;
919        }
920    }
921
922    int32_t prependSPSPPS;
923    if (encoder
924            && msg->findInt32("prepend-sps-pps-to-idr-frames", &prependSPSPPS)
925            && prependSPSPPS != 0) {
926        OMX_INDEXTYPE index;
927        err = mOMX->getExtensionIndex(
928                mNode,
929                "OMX.google.android.index.prependSPSPPSToIDRFrames",
930                &index);
931
932        if (err == OK) {
933            PrependSPSPPSToIDRFramesParams params;
934            InitOMXParams(&params);
935            params.bEnable = OMX_TRUE;
936
937            err = mOMX->setParameter(
938                    mNode, index, &params, sizeof(params));
939        }
940
941        if (err != OK) {
942            ALOGE("Encoder could not be configured to emit SPS/PPS before "
943                  "IDR frames. (err %d)", err);
944
945            return err;
946        }
947    }
948
949    if (!strncasecmp(mime, "video/", 6)) {
950        if (encoder) {
951            err = setupVideoEncoder(mime, msg);
952        } else {
953            int32_t width, height;
954            if (!msg->findInt32("width", &width)
955                    || !msg->findInt32("height", &height)) {
956                err = INVALID_OPERATION;
957            } else {
958                err = setupVideoDecoder(mime, width, height);
959            }
960        }
961    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) {
962        int32_t numChannels, sampleRate;
963        if (!msg->findInt32("channel-count", &numChannels)
964                || !msg->findInt32("sample-rate", &sampleRate)) {
965            // Since we did not always check for these, leave them optional
966            // and have the decoder figure it all out.
967            err = OK;
968        } else {
969            err = setupRawAudioFormat(
970                    encoder ? kPortIndexInput : kPortIndexOutput,
971                    sampleRate,
972                    numChannels);
973        }
974    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
975        int32_t numChannels, sampleRate;
976        if (!msg->findInt32("channel-count", &numChannels)
977                || !msg->findInt32("sample-rate", &sampleRate)) {
978            err = INVALID_OPERATION;
979        } else {
980            int32_t isADTS, aacProfile;
981            if (!msg->findInt32("is-adts", &isADTS)) {
982                isADTS = 0;
983            }
984            if (!msg->findInt32("aac-profile", &aacProfile)) {
985                aacProfile = OMX_AUDIO_AACObjectNull;
986            }
987
988            err = setupAACCodec(
989                    encoder, numChannels, sampleRate, bitRate, aacProfile,
990                    isADTS != 0);
991        }
992    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)) {
993        err = setupAMRCodec(encoder, false /* isWAMR */, bitRate);
994    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
995        err = setupAMRCodec(encoder, true /* isWAMR */, bitRate);
996    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_ALAW)
997            || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_MLAW)) {
998        // These are PCM-like formats with a fixed sample rate but
999        // a variable number of channels.
1000
1001        int32_t numChannels;
1002        if (!msg->findInt32("channel-count", &numChannels)) {
1003            err = INVALID_OPERATION;
1004        } else {
1005            err = setupG711Codec(encoder, numChannels);
1006        }
1007    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)) {
1008        int32_t numChannels, sampleRate, compressionLevel = -1;
1009        if (encoder &&
1010                (!msg->findInt32("channel-count", &numChannels)
1011                        || !msg->findInt32("sample-rate", &sampleRate))) {
1012            ALOGE("missing channel count or sample rate for FLAC encoder");
1013            err = INVALID_OPERATION;
1014        } else {
1015            if (encoder) {
1016                if (!msg->findInt32(
1017                            "flac-compression-level", &compressionLevel)) {
1018                    compressionLevel = 5;// default FLAC compression level
1019                } else if (compressionLevel < 0) {
1020                    ALOGW("compression level %d outside [0..8] range, "
1021                          "using 0",
1022                          compressionLevel);
1023                    compressionLevel = 0;
1024                } else if (compressionLevel > 8) {
1025                    ALOGW("compression level %d outside [0..8] range, "
1026                          "using 8",
1027                          compressionLevel);
1028                    compressionLevel = 8;
1029                }
1030            }
1031            err = setupFlacCodec(
1032                    encoder, numChannels, sampleRate, compressionLevel);
1033        }
1034    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
1035        int32_t numChannels, sampleRate;
1036        if (encoder
1037                || !msg->findInt32("channel-count", &numChannels)
1038                || !msg->findInt32("sample-rate", &sampleRate)) {
1039            err = INVALID_OPERATION;
1040        } else {
1041            err = setupRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1042        }
1043    }
1044
1045    if (err != OK) {
1046        return err;
1047    }
1048
1049    if (!msg->findInt32("encoder-delay", &mEncoderDelay)) {
1050        mEncoderDelay = 0;
1051    }
1052
1053    if (!msg->findInt32("encoder-padding", &mEncoderPadding)) {
1054        mEncoderPadding = 0;
1055    }
1056
1057    if (msg->findInt32("channel-mask", &mChannelMask)) {
1058        mChannelMaskPresent = true;
1059    } else {
1060        mChannelMaskPresent = false;
1061    }
1062
1063    int32_t maxInputSize;
1064    if (msg->findInt32("max-input-size", &maxInputSize)) {
1065        err = setMinBufferSize(kPortIndexInput, (size_t)maxInputSize);
1066    } else if (!strcmp("OMX.Nvidia.aac.decoder", mComponentName.c_str())) {
1067        err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
1068    }
1069
1070    return err;
1071}
1072
1073status_t ACodec::setMinBufferSize(OMX_U32 portIndex, size_t size) {
1074    OMX_PARAM_PORTDEFINITIONTYPE def;
1075    InitOMXParams(&def);
1076    def.nPortIndex = portIndex;
1077
1078    status_t err = mOMX->getParameter(
1079            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1080
1081    if (err != OK) {
1082        return err;
1083    }
1084
1085    if (def.nBufferSize >= size) {
1086        return OK;
1087    }
1088
1089    def.nBufferSize = size;
1090
1091    err = mOMX->setParameter(
1092            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1093
1094    if (err != OK) {
1095        return err;
1096    }
1097
1098    err = mOMX->getParameter(
1099            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1100
1101    if (err != OK) {
1102        return err;
1103    }
1104
1105    CHECK(def.nBufferSize >= size);
1106
1107    return OK;
1108}
1109
1110status_t ACodec::selectAudioPortFormat(
1111        OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat) {
1112    OMX_AUDIO_PARAM_PORTFORMATTYPE format;
1113    InitOMXParams(&format);
1114
1115    format.nPortIndex = portIndex;
1116    for (OMX_U32 index = 0;; ++index) {
1117        format.nIndex = index;
1118
1119        status_t err = mOMX->getParameter(
1120                mNode, OMX_IndexParamAudioPortFormat,
1121                &format, sizeof(format));
1122
1123        if (err != OK) {
1124            return err;
1125        }
1126
1127        if (format.eEncoding == desiredFormat) {
1128            break;
1129        }
1130    }
1131
1132    return mOMX->setParameter(
1133            mNode, OMX_IndexParamAudioPortFormat, &format, sizeof(format));
1134}
1135
1136status_t ACodec::setupAACCodec(
1137        bool encoder, int32_t numChannels, int32_t sampleRate,
1138        int32_t bitRate, int32_t aacProfile, bool isADTS) {
1139    if (encoder && isADTS) {
1140        return -EINVAL;
1141    }
1142
1143    status_t err = setupRawAudioFormat(
1144            encoder ? kPortIndexInput : kPortIndexOutput,
1145            sampleRate,
1146            numChannels);
1147
1148    if (err != OK) {
1149        return err;
1150    }
1151
1152    if (encoder) {
1153        err = selectAudioPortFormat(kPortIndexOutput, OMX_AUDIO_CodingAAC);
1154
1155        if (err != OK) {
1156            return err;
1157        }
1158
1159        OMX_PARAM_PORTDEFINITIONTYPE def;
1160        InitOMXParams(&def);
1161        def.nPortIndex = kPortIndexOutput;
1162
1163        err = mOMX->getParameter(
1164                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1165
1166        if (err != OK) {
1167            return err;
1168        }
1169
1170        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
1171        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
1172
1173        err = mOMX->setParameter(
1174                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1175
1176        if (err != OK) {
1177            return err;
1178        }
1179
1180        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1181        InitOMXParams(&profile);
1182        profile.nPortIndex = kPortIndexOutput;
1183
1184        err = mOMX->getParameter(
1185                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1186
1187        if (err != OK) {
1188            return err;
1189        }
1190
1191        profile.nChannels = numChannels;
1192
1193        profile.eChannelMode =
1194            (numChannels == 1)
1195                ? OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo;
1196
1197        profile.nSampleRate = sampleRate;
1198        profile.nBitRate = bitRate;
1199        profile.nAudioBandWidth = 0;
1200        profile.nFrameLength = 0;
1201        profile.nAACtools = OMX_AUDIO_AACToolAll;
1202        profile.nAACERtools = OMX_AUDIO_AACERNone;
1203        profile.eAACProfile = (OMX_AUDIO_AACPROFILETYPE) aacProfile;
1204        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
1205
1206        err = mOMX->setParameter(
1207                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1208
1209        if (err != OK) {
1210            return err;
1211        }
1212
1213        return err;
1214    }
1215
1216    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1217    InitOMXParams(&profile);
1218    profile.nPortIndex = kPortIndexInput;
1219
1220    err = mOMX->getParameter(
1221            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1222
1223    if (err != OK) {
1224        return err;
1225    }
1226
1227    profile.nChannels = numChannels;
1228    profile.nSampleRate = sampleRate;
1229
1230    profile.eAACStreamFormat =
1231        isADTS
1232            ? OMX_AUDIO_AACStreamFormatMP4ADTS
1233            : OMX_AUDIO_AACStreamFormatMP4FF;
1234
1235    return mOMX->setParameter(
1236            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1237}
1238
1239static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(
1240        bool isAMRWB, int32_t bps) {
1241    if (isAMRWB) {
1242        if (bps <= 6600) {
1243            return OMX_AUDIO_AMRBandModeWB0;
1244        } else if (bps <= 8850) {
1245            return OMX_AUDIO_AMRBandModeWB1;
1246        } else if (bps <= 12650) {
1247            return OMX_AUDIO_AMRBandModeWB2;
1248        } else if (bps <= 14250) {
1249            return OMX_AUDIO_AMRBandModeWB3;
1250        } else if (bps <= 15850) {
1251            return OMX_AUDIO_AMRBandModeWB4;
1252        } else if (bps <= 18250) {
1253            return OMX_AUDIO_AMRBandModeWB5;
1254        } else if (bps <= 19850) {
1255            return OMX_AUDIO_AMRBandModeWB6;
1256        } else if (bps <= 23050) {
1257            return OMX_AUDIO_AMRBandModeWB7;
1258        }
1259
1260        // 23850 bps
1261        return OMX_AUDIO_AMRBandModeWB8;
1262    } else {  // AMRNB
1263        if (bps <= 4750) {
1264            return OMX_AUDIO_AMRBandModeNB0;
1265        } else if (bps <= 5150) {
1266            return OMX_AUDIO_AMRBandModeNB1;
1267        } else if (bps <= 5900) {
1268            return OMX_AUDIO_AMRBandModeNB2;
1269        } else if (bps <= 6700) {
1270            return OMX_AUDIO_AMRBandModeNB3;
1271        } else if (bps <= 7400) {
1272            return OMX_AUDIO_AMRBandModeNB4;
1273        } else if (bps <= 7950) {
1274            return OMX_AUDIO_AMRBandModeNB5;
1275        } else if (bps <= 10200) {
1276            return OMX_AUDIO_AMRBandModeNB6;
1277        }
1278
1279        // 12200 bps
1280        return OMX_AUDIO_AMRBandModeNB7;
1281    }
1282}
1283
1284status_t ACodec::setupAMRCodec(bool encoder, bool isWAMR, int32_t bitrate) {
1285    OMX_AUDIO_PARAM_AMRTYPE def;
1286    InitOMXParams(&def);
1287    def.nPortIndex = encoder ? kPortIndexOutput : kPortIndexInput;
1288
1289    status_t err =
1290        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1291
1292    if (err != OK) {
1293        return err;
1294    }
1295
1296    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1297    def.eAMRBandMode = pickModeFromBitRate(isWAMR, bitrate);
1298
1299    err = mOMX->setParameter(
1300            mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1301
1302    if (err != OK) {
1303        return err;
1304    }
1305
1306    return setupRawAudioFormat(
1307            encoder ? kPortIndexInput : kPortIndexOutput,
1308            isWAMR ? 16000 : 8000 /* sampleRate */,
1309            1 /* numChannels */);
1310}
1311
1312status_t ACodec::setupG711Codec(bool encoder, int32_t numChannels) {
1313    CHECK(!encoder);  // XXX TODO
1314
1315    return setupRawAudioFormat(
1316            kPortIndexInput, 8000 /* sampleRate */, numChannels);
1317}
1318
1319status_t ACodec::setupFlacCodec(
1320        bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel) {
1321
1322    if (encoder) {
1323        OMX_AUDIO_PARAM_FLACTYPE def;
1324        InitOMXParams(&def);
1325        def.nPortIndex = kPortIndexOutput;
1326
1327        // configure compression level
1328        status_t err = mOMX->getParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1329        if (err != OK) {
1330            ALOGE("setupFlacCodec(): Error %d getting OMX_IndexParamAudioFlac parameter", err);
1331            return err;
1332        }
1333        def.nCompressionLevel = compressionLevel;
1334        err = mOMX->setParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1335        if (err != OK) {
1336            ALOGE("setupFlacCodec(): Error %d setting OMX_IndexParamAudioFlac parameter", err);
1337            return err;
1338        }
1339    }
1340
1341    return setupRawAudioFormat(
1342            encoder ? kPortIndexInput : kPortIndexOutput,
1343            sampleRate,
1344            numChannels);
1345}
1346
1347status_t ACodec::setupRawAudioFormat(
1348        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1349    OMX_PARAM_PORTDEFINITIONTYPE def;
1350    InitOMXParams(&def);
1351    def.nPortIndex = portIndex;
1352
1353    status_t err = mOMX->getParameter(
1354            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1355
1356    if (err != OK) {
1357        return err;
1358    }
1359
1360    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
1361
1362    err = mOMX->setParameter(
1363            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1364
1365    if (err != OK) {
1366        return err;
1367    }
1368
1369    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1370    InitOMXParams(&pcmParams);
1371    pcmParams.nPortIndex = portIndex;
1372
1373    err = mOMX->getParameter(
1374            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1375
1376    if (err != OK) {
1377        return err;
1378    }
1379
1380    pcmParams.nChannels = numChannels;
1381    pcmParams.eNumData = OMX_NumericalDataSigned;
1382    pcmParams.bInterleaved = OMX_TRUE;
1383    pcmParams.nBitPerSample = 16;
1384    pcmParams.nSamplingRate = sampleRate;
1385    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1386
1387    if (getOMXChannelMapping(numChannels, pcmParams.eChannelMapping) != OK) {
1388        return OMX_ErrorNone;
1389    }
1390
1391    return mOMX->setParameter(
1392            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1393}
1394
1395status_t ACodec::setVideoPortFormatType(
1396        OMX_U32 portIndex,
1397        OMX_VIDEO_CODINGTYPE compressionFormat,
1398        OMX_COLOR_FORMATTYPE colorFormat) {
1399    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1400    InitOMXParams(&format);
1401    format.nPortIndex = portIndex;
1402    format.nIndex = 0;
1403    bool found = false;
1404
1405    OMX_U32 index = 0;
1406    for (;;) {
1407        format.nIndex = index;
1408        status_t err = mOMX->getParameter(
1409                mNode, OMX_IndexParamVideoPortFormat,
1410                &format, sizeof(format));
1411
1412        if (err != OK) {
1413            return err;
1414        }
1415
1416        // The following assertion is violated by TI's video decoder.
1417        // CHECK_EQ(format.nIndex, index);
1418
1419        if (!strcmp("OMX.TI.Video.encoder", mComponentName.c_str())) {
1420            if (portIndex == kPortIndexInput
1421                    && colorFormat == format.eColorFormat) {
1422                // eCompressionFormat does not seem right.
1423                found = true;
1424                break;
1425            }
1426            if (portIndex == kPortIndexOutput
1427                    && compressionFormat == format.eCompressionFormat) {
1428                // eColorFormat does not seem right.
1429                found = true;
1430                break;
1431            }
1432        }
1433
1434        if (format.eCompressionFormat == compressionFormat
1435            && format.eColorFormat == colorFormat) {
1436            found = true;
1437            break;
1438        }
1439
1440        ++index;
1441    }
1442
1443    if (!found) {
1444        return UNKNOWN_ERROR;
1445    }
1446
1447    status_t err = mOMX->setParameter(
1448            mNode, OMX_IndexParamVideoPortFormat,
1449            &format, sizeof(format));
1450
1451    return err;
1452}
1453
1454status_t ACodec::setSupportedOutputFormat() {
1455    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1456    InitOMXParams(&format);
1457    format.nPortIndex = kPortIndexOutput;
1458    format.nIndex = 0;
1459
1460    status_t err = mOMX->getParameter(
1461            mNode, OMX_IndexParamVideoPortFormat,
1462            &format, sizeof(format));
1463    CHECK_EQ(err, (status_t)OK);
1464    CHECK_EQ((int)format.eCompressionFormat, (int)OMX_VIDEO_CodingUnused);
1465
1466    return mOMX->setParameter(
1467            mNode, OMX_IndexParamVideoPortFormat,
1468            &format, sizeof(format));
1469}
1470
1471static const struct VideoCodingMapEntry {
1472    const char *mMime;
1473    OMX_VIDEO_CODINGTYPE mVideoCodingType;
1474} kVideoCodingMapEntry[] = {
1475    { MEDIA_MIMETYPE_VIDEO_AVC, OMX_VIDEO_CodingAVC },
1476    { MEDIA_MIMETYPE_VIDEO_MPEG4, OMX_VIDEO_CodingMPEG4 },
1477    { MEDIA_MIMETYPE_VIDEO_H263, OMX_VIDEO_CodingH263 },
1478    { MEDIA_MIMETYPE_VIDEO_MPEG2, OMX_VIDEO_CodingMPEG2 },
1479    { MEDIA_MIMETYPE_VIDEO_VPX, OMX_VIDEO_CodingVPX },
1480};
1481
1482static status_t GetVideoCodingTypeFromMime(
1483        const char *mime, OMX_VIDEO_CODINGTYPE *codingType) {
1484    for (size_t i = 0;
1485         i < sizeof(kVideoCodingMapEntry) / sizeof(kVideoCodingMapEntry[0]);
1486         ++i) {
1487        if (!strcasecmp(mime, kVideoCodingMapEntry[i].mMime)) {
1488            *codingType = kVideoCodingMapEntry[i].mVideoCodingType;
1489            return OK;
1490        }
1491    }
1492
1493    *codingType = OMX_VIDEO_CodingUnused;
1494
1495    return ERROR_UNSUPPORTED;
1496}
1497
1498static status_t GetMimeTypeForVideoCoding(
1499        OMX_VIDEO_CODINGTYPE codingType, AString *mime) {
1500    for (size_t i = 0;
1501         i < sizeof(kVideoCodingMapEntry) / sizeof(kVideoCodingMapEntry[0]);
1502         ++i) {
1503        if (codingType == kVideoCodingMapEntry[i].mVideoCodingType) {
1504            *mime = kVideoCodingMapEntry[i].mMime;
1505            return OK;
1506        }
1507    }
1508
1509    mime->clear();
1510
1511    return ERROR_UNSUPPORTED;
1512}
1513
1514status_t ACodec::setupVideoDecoder(
1515        const char *mime, int32_t width, int32_t height) {
1516    OMX_VIDEO_CODINGTYPE compressionFormat;
1517    status_t err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1518
1519    if (err != OK) {
1520        return err;
1521    }
1522
1523    err = setVideoPortFormatType(
1524            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
1525
1526    if (err != OK) {
1527        return err;
1528    }
1529
1530    err = setSupportedOutputFormat();
1531
1532    if (err != OK) {
1533        return err;
1534    }
1535
1536    err = setVideoFormatOnPort(
1537            kPortIndexInput, width, height, compressionFormat);
1538
1539    if (err != OK) {
1540        return err;
1541    }
1542
1543    err = setVideoFormatOnPort(
1544            kPortIndexOutput, width, height, OMX_VIDEO_CodingUnused);
1545
1546    if (err != OK) {
1547        return err;
1548    }
1549
1550    return OK;
1551}
1552
1553status_t ACodec::setupVideoEncoder(const char *mime, const sp<AMessage> &msg) {
1554    int32_t tmp;
1555    if (!msg->findInt32("color-format", &tmp)) {
1556        return INVALID_OPERATION;
1557    }
1558
1559    OMX_COLOR_FORMATTYPE colorFormat =
1560        static_cast<OMX_COLOR_FORMATTYPE>(tmp);
1561
1562    status_t err = setVideoPortFormatType(
1563            kPortIndexInput, OMX_VIDEO_CodingUnused, colorFormat);
1564
1565    if (err != OK) {
1566        ALOGE("[%s] does not support color format %d",
1567              mComponentName.c_str(), colorFormat);
1568
1569        return err;
1570    }
1571
1572    /* Input port configuration */
1573
1574    OMX_PARAM_PORTDEFINITIONTYPE def;
1575    InitOMXParams(&def);
1576
1577    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1578
1579    def.nPortIndex = kPortIndexInput;
1580
1581    err = mOMX->getParameter(
1582            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1583
1584    if (err != OK) {
1585        return err;
1586    }
1587
1588    int32_t width, height, bitrate;
1589    if (!msg->findInt32("width", &width)
1590            || !msg->findInt32("height", &height)
1591            || !msg->findInt32("bitrate", &bitrate)) {
1592        return INVALID_OPERATION;
1593    }
1594
1595    video_def->nFrameWidth = width;
1596    video_def->nFrameHeight = height;
1597
1598    int32_t stride;
1599    if (!msg->findInt32("stride", &stride)) {
1600        stride = width;
1601    }
1602
1603    video_def->nStride = stride;
1604
1605    int32_t sliceHeight;
1606    if (!msg->findInt32("slice-height", &sliceHeight)) {
1607        sliceHeight = height;
1608    }
1609
1610    video_def->nSliceHeight = sliceHeight;
1611
1612    def.nBufferSize = (video_def->nStride * video_def->nSliceHeight * 3) / 2;
1613
1614    float frameRate;
1615    if (!msg->findFloat("frame-rate", &frameRate)) {
1616        int32_t tmp;
1617        if (!msg->findInt32("frame-rate", &tmp)) {
1618            return INVALID_OPERATION;
1619        }
1620        frameRate = (float)tmp;
1621    }
1622
1623    video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
1624    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
1625    video_def->eColorFormat = colorFormat;
1626
1627    err = mOMX->setParameter(
1628            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1629
1630    if (err != OK) {
1631        ALOGE("[%s] failed to set input port definition parameters.",
1632              mComponentName.c_str());
1633
1634        return err;
1635    }
1636
1637    /* Output port configuration */
1638
1639    OMX_VIDEO_CODINGTYPE compressionFormat;
1640    err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1641
1642    if (err != OK) {
1643        return err;
1644    }
1645
1646    err = setVideoPortFormatType(
1647            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
1648
1649    if (err != OK) {
1650        ALOGE("[%s] does not support compression format %d",
1651             mComponentName.c_str(), compressionFormat);
1652
1653        return err;
1654    }
1655
1656    def.nPortIndex = kPortIndexOutput;
1657
1658    err = mOMX->getParameter(
1659            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1660
1661    if (err != OK) {
1662        return err;
1663    }
1664
1665    video_def->nFrameWidth = width;
1666    video_def->nFrameHeight = height;
1667    video_def->xFramerate = 0;
1668    video_def->nBitrate = bitrate;
1669    video_def->eCompressionFormat = compressionFormat;
1670    video_def->eColorFormat = OMX_COLOR_FormatUnused;
1671
1672    err = mOMX->setParameter(
1673            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1674
1675    if (err != OK) {
1676        ALOGE("[%s] failed to set output port definition parameters.",
1677              mComponentName.c_str());
1678
1679        return err;
1680    }
1681
1682    switch (compressionFormat) {
1683        case OMX_VIDEO_CodingMPEG4:
1684            err = setupMPEG4EncoderParameters(msg);
1685            break;
1686
1687        case OMX_VIDEO_CodingH263:
1688            err = setupH263EncoderParameters(msg);
1689            break;
1690
1691        case OMX_VIDEO_CodingAVC:
1692            err = setupAVCEncoderParameters(msg);
1693            break;
1694
1695        default:
1696            break;
1697    }
1698
1699    ALOGI("setupVideoEncoder succeeded");
1700
1701    return err;
1702}
1703
1704status_t ACodec::setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode) {
1705    OMX_VIDEO_PARAM_INTRAREFRESHTYPE params;
1706    InitOMXParams(&params);
1707    params.nPortIndex = kPortIndexOutput;
1708
1709    params.eRefreshMode = static_cast<OMX_VIDEO_INTRAREFRESHTYPE>(mode);
1710
1711    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshCyclic ||
1712            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
1713        int32_t mbs;
1714        if (!msg->findInt32("intra-refresh-CIR-mbs", &mbs)) {
1715            return INVALID_OPERATION;
1716        }
1717        params.nCirMBs = mbs;
1718    }
1719
1720    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshAdaptive ||
1721            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
1722        int32_t mbs;
1723        if (!msg->findInt32("intra-refresh-AIR-mbs", &mbs)) {
1724            return INVALID_OPERATION;
1725        }
1726        params.nAirMBs = mbs;
1727
1728        int32_t ref;
1729        if (!msg->findInt32("intra-refresh-AIR-ref", &ref)) {
1730            return INVALID_OPERATION;
1731        }
1732        params.nAirRef = ref;
1733    }
1734
1735    status_t err = mOMX->setParameter(
1736            mNode, OMX_IndexParamVideoIntraRefresh,
1737            &params, sizeof(params));
1738    return err;
1739}
1740
1741static OMX_U32 setPFramesSpacing(int32_t iFramesInterval, int32_t frameRate) {
1742    if (iFramesInterval < 0) {
1743        return 0xFFFFFFFF;
1744    } else if (iFramesInterval == 0) {
1745        return 0;
1746    }
1747    OMX_U32 ret = frameRate * iFramesInterval;
1748    CHECK(ret > 1);
1749    return ret;
1750}
1751
1752static OMX_VIDEO_CONTROLRATETYPE getBitrateMode(const sp<AMessage> &msg) {
1753    int32_t tmp;
1754    if (!msg->findInt32("bitrate-mode", &tmp)) {
1755        return OMX_Video_ControlRateVariable;
1756    }
1757
1758    return static_cast<OMX_VIDEO_CONTROLRATETYPE>(tmp);
1759}
1760
1761status_t ACodec::setupMPEG4EncoderParameters(const sp<AMessage> &msg) {
1762    int32_t bitrate, iFrameInterval;
1763    if (!msg->findInt32("bitrate", &bitrate)
1764            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1765        return INVALID_OPERATION;
1766    }
1767
1768    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1769
1770    float frameRate;
1771    if (!msg->findFloat("frame-rate", &frameRate)) {
1772        int32_t tmp;
1773        if (!msg->findInt32("frame-rate", &tmp)) {
1774            return INVALID_OPERATION;
1775        }
1776        frameRate = (float)tmp;
1777    }
1778
1779    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
1780    InitOMXParams(&mpeg4type);
1781    mpeg4type.nPortIndex = kPortIndexOutput;
1782
1783    status_t err = mOMX->getParameter(
1784            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1785
1786    if (err != OK) {
1787        return err;
1788    }
1789
1790    mpeg4type.nSliceHeaderSpacing = 0;
1791    mpeg4type.bSVH = OMX_FALSE;
1792    mpeg4type.bGov = OMX_FALSE;
1793
1794    mpeg4type.nAllowedPictureTypes =
1795        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1796
1797    mpeg4type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1798    if (mpeg4type.nPFrames == 0) {
1799        mpeg4type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1800    }
1801    mpeg4type.nBFrames = 0;
1802    mpeg4type.nIDCVLCThreshold = 0;
1803    mpeg4type.bACPred = OMX_TRUE;
1804    mpeg4type.nMaxPacketSize = 256;
1805    mpeg4type.nTimeIncRes = 1000;
1806    mpeg4type.nHeaderExtension = 0;
1807    mpeg4type.bReversibleVLC = OMX_FALSE;
1808
1809    int32_t profile;
1810    if (msg->findInt32("profile", &profile)) {
1811        int32_t level;
1812        if (!msg->findInt32("level", &level)) {
1813            return INVALID_OPERATION;
1814        }
1815
1816        err = verifySupportForProfileAndLevel(profile, level);
1817
1818        if (err != OK) {
1819            return err;
1820        }
1821
1822        mpeg4type.eProfile = static_cast<OMX_VIDEO_MPEG4PROFILETYPE>(profile);
1823        mpeg4type.eLevel = static_cast<OMX_VIDEO_MPEG4LEVELTYPE>(level);
1824    }
1825
1826    err = mOMX->setParameter(
1827            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1828
1829    if (err != OK) {
1830        return err;
1831    }
1832
1833    err = configureBitrate(bitrate, bitrateMode);
1834
1835    if (err != OK) {
1836        return err;
1837    }
1838
1839    return setupErrorCorrectionParameters();
1840}
1841
1842status_t ACodec::setupH263EncoderParameters(const sp<AMessage> &msg) {
1843    int32_t bitrate, iFrameInterval;
1844    if (!msg->findInt32("bitrate", &bitrate)
1845            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1846        return INVALID_OPERATION;
1847    }
1848
1849    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1850
1851    float frameRate;
1852    if (!msg->findFloat("frame-rate", &frameRate)) {
1853        int32_t tmp;
1854        if (!msg->findInt32("frame-rate", &tmp)) {
1855            return INVALID_OPERATION;
1856        }
1857        frameRate = (float)tmp;
1858    }
1859
1860    OMX_VIDEO_PARAM_H263TYPE h263type;
1861    InitOMXParams(&h263type);
1862    h263type.nPortIndex = kPortIndexOutput;
1863
1864    status_t err = mOMX->getParameter(
1865            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1866
1867    if (err != OK) {
1868        return err;
1869    }
1870
1871    h263type.nAllowedPictureTypes =
1872        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1873
1874    h263type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1875    if (h263type.nPFrames == 0) {
1876        h263type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1877    }
1878    h263type.nBFrames = 0;
1879
1880    int32_t profile;
1881    if (msg->findInt32("profile", &profile)) {
1882        int32_t level;
1883        if (!msg->findInt32("level", &level)) {
1884            return INVALID_OPERATION;
1885        }
1886
1887        err = verifySupportForProfileAndLevel(profile, level);
1888
1889        if (err != OK) {
1890            return err;
1891        }
1892
1893        h263type.eProfile = static_cast<OMX_VIDEO_H263PROFILETYPE>(profile);
1894        h263type.eLevel = static_cast<OMX_VIDEO_H263LEVELTYPE>(level);
1895    }
1896
1897    h263type.bPLUSPTYPEAllowed = OMX_FALSE;
1898    h263type.bForceRoundingTypeToZero = OMX_FALSE;
1899    h263type.nPictureHeaderRepetition = 0;
1900    h263type.nGOBHeaderInterval = 0;
1901
1902    err = mOMX->setParameter(
1903            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1904
1905    if (err != OK) {
1906        return err;
1907    }
1908
1909    err = configureBitrate(bitrate, bitrateMode);
1910
1911    if (err != OK) {
1912        return err;
1913    }
1914
1915    return setupErrorCorrectionParameters();
1916}
1917
1918status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
1919    int32_t bitrate, iFrameInterval;
1920    if (!msg->findInt32("bitrate", &bitrate)
1921            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1922        return INVALID_OPERATION;
1923    }
1924
1925    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1926
1927    float frameRate;
1928    if (!msg->findFloat("frame-rate", &frameRate)) {
1929        int32_t tmp;
1930        if (!msg->findInt32("frame-rate", &tmp)) {
1931            return INVALID_OPERATION;
1932        }
1933        frameRate = (float)tmp;
1934    }
1935
1936    status_t err = OK;
1937    int32_t intraRefreshMode = 0;
1938    if (msg->findInt32("intra-refresh-mode", &intraRefreshMode)) {
1939        err = setCyclicIntraMacroblockRefresh(msg, intraRefreshMode);
1940        if (err != OK) {
1941            ALOGE("Setting intra macroblock refresh mode (%d) failed: 0x%x",
1942                    err, intraRefreshMode);
1943            return err;
1944        }
1945    }
1946
1947    OMX_VIDEO_PARAM_AVCTYPE h264type;
1948    InitOMXParams(&h264type);
1949    h264type.nPortIndex = kPortIndexOutput;
1950
1951    err = mOMX->getParameter(
1952            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1953
1954    if (err != OK) {
1955        return err;
1956    }
1957
1958    h264type.nAllowedPictureTypes =
1959        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1960
1961    int32_t profile;
1962    if (msg->findInt32("profile", &profile)) {
1963        int32_t level;
1964        if (!msg->findInt32("level", &level)) {
1965            return INVALID_OPERATION;
1966        }
1967
1968        err = verifySupportForProfileAndLevel(profile, level);
1969
1970        if (err != OK) {
1971            return err;
1972        }
1973
1974        h264type.eProfile = static_cast<OMX_VIDEO_AVCPROFILETYPE>(profile);
1975        h264type.eLevel = static_cast<OMX_VIDEO_AVCLEVELTYPE>(level);
1976    }
1977
1978    // XXX
1979    if (h264type.eProfile != OMX_VIDEO_AVCProfileBaseline) {
1980        ALOGW("Use baseline profile instead of %d for AVC recording",
1981            h264type.eProfile);
1982        h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
1983    }
1984
1985    if (h264type.eProfile == OMX_VIDEO_AVCProfileBaseline) {
1986        h264type.nSliceHeaderSpacing = 0;
1987        h264type.bUseHadamard = OMX_TRUE;
1988        h264type.nRefFrames = 1;
1989        h264type.nBFrames = 0;
1990        h264type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1991        if (h264type.nPFrames == 0) {
1992            h264type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1993        }
1994        h264type.nRefIdx10ActiveMinus1 = 0;
1995        h264type.nRefIdx11ActiveMinus1 = 0;
1996        h264type.bEntropyCodingCABAC = OMX_FALSE;
1997        h264type.bWeightedPPrediction = OMX_FALSE;
1998        h264type.bconstIpred = OMX_FALSE;
1999        h264type.bDirect8x8Inference = OMX_FALSE;
2000        h264type.bDirectSpatialTemporal = OMX_FALSE;
2001        h264type.nCabacInitIdc = 0;
2002    }
2003
2004    if (h264type.nBFrames != 0) {
2005        h264type.nAllowedPictureTypes |= OMX_VIDEO_PictureTypeB;
2006    }
2007
2008    h264type.bEnableUEP = OMX_FALSE;
2009    h264type.bEnableFMO = OMX_FALSE;
2010    h264type.bEnableASO = OMX_FALSE;
2011    h264type.bEnableRS = OMX_FALSE;
2012    h264type.bFrameMBsOnly = OMX_TRUE;
2013    h264type.bMBAFF = OMX_FALSE;
2014    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
2015
2016    err = mOMX->setParameter(
2017            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
2018
2019    if (err != OK) {
2020        return err;
2021    }
2022
2023    return configureBitrate(bitrate, bitrateMode);
2024}
2025
2026status_t ACodec::verifySupportForProfileAndLevel(
2027        int32_t profile, int32_t level) {
2028    OMX_VIDEO_PARAM_PROFILELEVELTYPE params;
2029    InitOMXParams(&params);
2030    params.nPortIndex = kPortIndexOutput;
2031
2032    for (params.nProfileIndex = 0;; ++params.nProfileIndex) {
2033        status_t err = mOMX->getParameter(
2034                mNode,
2035                OMX_IndexParamVideoProfileLevelQuerySupported,
2036                &params,
2037                sizeof(params));
2038
2039        if (err != OK) {
2040            return err;
2041        }
2042
2043        int32_t supportedProfile = static_cast<int32_t>(params.eProfile);
2044        int32_t supportedLevel = static_cast<int32_t>(params.eLevel);
2045
2046        if (profile == supportedProfile && level <= supportedLevel) {
2047            return OK;
2048        }
2049    }
2050}
2051
2052status_t ACodec::configureBitrate(
2053        int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode) {
2054    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
2055    InitOMXParams(&bitrateType);
2056    bitrateType.nPortIndex = kPortIndexOutput;
2057
2058    status_t err = mOMX->getParameter(
2059            mNode, OMX_IndexParamVideoBitrate,
2060            &bitrateType, sizeof(bitrateType));
2061
2062    if (err != OK) {
2063        return err;
2064    }
2065
2066    bitrateType.eControlRate = bitrateMode;
2067    bitrateType.nTargetBitrate = bitrate;
2068
2069    return mOMX->setParameter(
2070            mNode, OMX_IndexParamVideoBitrate,
2071            &bitrateType, sizeof(bitrateType));
2072}
2073
2074status_t ACodec::setupErrorCorrectionParameters() {
2075    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
2076    InitOMXParams(&errorCorrectionType);
2077    errorCorrectionType.nPortIndex = kPortIndexOutput;
2078
2079    status_t err = mOMX->getParameter(
2080            mNode, OMX_IndexParamVideoErrorCorrection,
2081            &errorCorrectionType, sizeof(errorCorrectionType));
2082
2083    if (err != OK) {
2084        return OK;  // Optional feature. Ignore this failure
2085    }
2086
2087    errorCorrectionType.bEnableHEC = OMX_FALSE;
2088    errorCorrectionType.bEnableResync = OMX_TRUE;
2089    errorCorrectionType.nResynchMarkerSpacing = 256;
2090    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
2091    errorCorrectionType.bEnableRVLC = OMX_FALSE;
2092
2093    return mOMX->setParameter(
2094            mNode, OMX_IndexParamVideoErrorCorrection,
2095            &errorCorrectionType, sizeof(errorCorrectionType));
2096}
2097
2098status_t ACodec::setVideoFormatOnPort(
2099        OMX_U32 portIndex,
2100        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
2101    OMX_PARAM_PORTDEFINITIONTYPE def;
2102    InitOMXParams(&def);
2103    def.nPortIndex = portIndex;
2104
2105    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2106
2107    status_t err = mOMX->getParameter(
2108            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2109
2110    CHECK_EQ(err, (status_t)OK);
2111
2112    if (portIndex == kPortIndexInput) {
2113        // XXX Need a (much) better heuristic to compute input buffer sizes.
2114        const size_t X = 64 * 1024;
2115        if (def.nBufferSize < X) {
2116            def.nBufferSize = X;
2117        }
2118    }
2119
2120    CHECK_EQ((int)def.eDomain, (int)OMX_PortDomainVideo);
2121
2122    video_def->nFrameWidth = width;
2123    video_def->nFrameHeight = height;
2124
2125    if (portIndex == kPortIndexInput) {
2126        video_def->eCompressionFormat = compressionFormat;
2127        video_def->eColorFormat = OMX_COLOR_FormatUnused;
2128    }
2129
2130    err = mOMX->setParameter(
2131            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2132
2133    return err;
2134}
2135
2136status_t ACodec::initNativeWindow() {
2137    if (mNativeWindow != NULL) {
2138        return mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_TRUE);
2139    }
2140
2141    mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_FALSE);
2142    return OK;
2143}
2144
2145size_t ACodec::countBuffersOwnedByComponent(OMX_U32 portIndex) const {
2146    size_t n = 0;
2147
2148    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2149        const BufferInfo &info = mBuffers[portIndex].itemAt(i);
2150
2151        if (info.mStatus == BufferInfo::OWNED_BY_COMPONENT) {
2152            ++n;
2153        }
2154    }
2155
2156    return n;
2157}
2158
2159size_t ACodec::countBuffersOwnedByNativeWindow() const {
2160    size_t n = 0;
2161
2162    for (size_t i = 0; i < mBuffers[kPortIndexOutput].size(); ++i) {
2163        const BufferInfo &info = mBuffers[kPortIndexOutput].itemAt(i);
2164
2165        if (info.mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2166            ++n;
2167        }
2168    }
2169
2170    return n;
2171}
2172
2173void ACodec::waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs() {
2174    if (mNativeWindow == NULL) {
2175        return;
2176    }
2177
2178    int minUndequeuedBufs = 0;
2179    status_t err = mNativeWindow->query(
2180            mNativeWindow.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
2181            &minUndequeuedBufs);
2182
2183    if (err != OK) {
2184        ALOGE("[%s] NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d)",
2185                mComponentName.c_str(), strerror(-err), -err);
2186
2187        minUndequeuedBufs = 0;
2188    }
2189
2190    while (countBuffersOwnedByNativeWindow() > (size_t)minUndequeuedBufs
2191            && dequeueBufferFromNativeWindow() != NULL) {
2192    }
2193}
2194
2195bool ACodec::allYourBuffersAreBelongToUs(
2196        OMX_U32 portIndex) {
2197    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2198        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
2199
2200        if (info->mStatus != BufferInfo::OWNED_BY_US
2201                && info->mStatus != BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2202            ALOGV("[%s] Buffer %p on port %ld still has status %d",
2203                    mComponentName.c_str(),
2204                    info->mBufferID, portIndex, info->mStatus);
2205            return false;
2206        }
2207    }
2208
2209    return true;
2210}
2211
2212bool ACodec::allYourBuffersAreBelongToUs() {
2213    return allYourBuffersAreBelongToUs(kPortIndexInput)
2214        && allYourBuffersAreBelongToUs(kPortIndexOutput);
2215}
2216
2217void ACodec::deferMessage(const sp<AMessage> &msg) {
2218    bool wasEmptyBefore = mDeferredQueue.empty();
2219    mDeferredQueue.push_back(msg);
2220}
2221
2222void ACodec::processDeferredMessages() {
2223    List<sp<AMessage> > queue = mDeferredQueue;
2224    mDeferredQueue.clear();
2225
2226    List<sp<AMessage> >::iterator it = queue.begin();
2227    while (it != queue.end()) {
2228        onMessageReceived(*it++);
2229    }
2230}
2231
2232void ACodec::sendFormatChange() {
2233    sp<AMessage> notify = mNotify->dup();
2234    notify->setInt32("what", kWhatOutputFormatChanged);
2235
2236    OMX_PARAM_PORTDEFINITIONTYPE def;
2237    InitOMXParams(&def);
2238    def.nPortIndex = kPortIndexOutput;
2239
2240    CHECK_EQ(mOMX->getParameter(
2241                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def)),
2242             (status_t)OK);
2243
2244    CHECK_EQ((int)def.eDir, (int)OMX_DirOutput);
2245
2246    switch (def.eDomain) {
2247        case OMX_PortDomainVideo:
2248        {
2249            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2250
2251            AString mime;
2252            if (!mIsEncoder) {
2253                notify->setString("mime", MEDIA_MIMETYPE_VIDEO_RAW);
2254            } else if (GetMimeTypeForVideoCoding(
2255                        videoDef->eCompressionFormat, &mime) != OK) {
2256                notify->setString("mime", "application/octet-stream");
2257            } else {
2258                notify->setString("mime", mime.c_str());
2259            }
2260
2261            notify->setInt32("width", videoDef->nFrameWidth);
2262            notify->setInt32("height", videoDef->nFrameHeight);
2263
2264            if (!mIsEncoder) {
2265                notify->setInt32("stride", videoDef->nStride);
2266                notify->setInt32("slice-height", videoDef->nSliceHeight);
2267                notify->setInt32("color-format", videoDef->eColorFormat);
2268
2269                OMX_CONFIG_RECTTYPE rect;
2270                InitOMXParams(&rect);
2271                rect.nPortIndex = kPortIndexOutput;
2272
2273                if (mOMX->getConfig(
2274                            mNode, OMX_IndexConfigCommonOutputCrop,
2275                            &rect, sizeof(rect)) != OK) {
2276                    rect.nLeft = 0;
2277                    rect.nTop = 0;
2278                    rect.nWidth = videoDef->nFrameWidth;
2279                    rect.nHeight = videoDef->nFrameHeight;
2280                }
2281
2282                CHECK_GE(rect.nLeft, 0);
2283                CHECK_GE(rect.nTop, 0);
2284                CHECK_GE(rect.nWidth, 0u);
2285                CHECK_GE(rect.nHeight, 0u);
2286                CHECK_LE(rect.nLeft + rect.nWidth - 1, videoDef->nFrameWidth);
2287                CHECK_LE(rect.nTop + rect.nHeight - 1, videoDef->nFrameHeight);
2288
2289                notify->setRect(
2290                        "crop",
2291                        rect.nLeft,
2292                        rect.nTop,
2293                        rect.nLeft + rect.nWidth - 1,
2294                        rect.nTop + rect.nHeight - 1);
2295
2296                if (mNativeWindow != NULL) {
2297                    android_native_rect_t crop;
2298                    crop.left = rect.nLeft;
2299                    crop.top = rect.nTop;
2300                    crop.right = rect.nLeft + rect.nWidth;
2301                    crop.bottom = rect.nTop + rect.nHeight;
2302
2303                    CHECK_EQ(0, native_window_set_crop(
2304                                mNativeWindow.get(), &crop));
2305                }
2306            }
2307            break;
2308        }
2309
2310        case OMX_PortDomainAudio:
2311        {
2312            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2313
2314            switch (audioDef->eEncoding) {
2315                case OMX_AUDIO_CodingPCM:
2316                {
2317                    OMX_AUDIO_PARAM_PCMMODETYPE params;
2318                    InitOMXParams(&params);
2319                    params.nPortIndex = kPortIndexOutput;
2320
2321                    CHECK_EQ(mOMX->getParameter(
2322                                mNode, OMX_IndexParamAudioPcm,
2323                                &params, sizeof(params)),
2324                             (status_t)OK);
2325
2326                    CHECK(params.nChannels == 1 || params.bInterleaved);
2327                    CHECK_EQ(params.nBitPerSample, 16u);
2328                    CHECK_EQ((int)params.eNumData, (int)OMX_NumericalDataSigned);
2329                    CHECK_EQ((int)params.ePCMMode, (int)OMX_AUDIO_PCMModeLinear);
2330
2331                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_RAW);
2332                    notify->setInt32("channel-count", params.nChannels);
2333                    notify->setInt32("sample-rate", params.nSamplingRate);
2334                    if (mEncoderDelay + mEncoderPadding) {
2335                        size_t frameSize = params.nChannels * sizeof(int16_t);
2336                        if (mSkipCutBuffer != NULL) {
2337                            size_t prevbufsize = mSkipCutBuffer->size();
2338                            if (prevbufsize != 0) {
2339                                ALOGW("Replacing SkipCutBuffer holding %d bytes", prevbufsize);
2340                            }
2341                        }
2342                        mSkipCutBuffer = new SkipCutBuffer(mEncoderDelay * frameSize,
2343                                                           mEncoderPadding * frameSize);
2344                    }
2345
2346                    if (mChannelMaskPresent) {
2347                        notify->setInt32("channel-mask", mChannelMask);
2348                    }
2349                    break;
2350                }
2351
2352                case OMX_AUDIO_CodingAAC:
2353                {
2354                    OMX_AUDIO_PARAM_AACPROFILETYPE params;
2355                    InitOMXParams(&params);
2356                    params.nPortIndex = kPortIndexOutput;
2357
2358                    CHECK_EQ(mOMX->getParameter(
2359                                mNode, OMX_IndexParamAudioAac,
2360                                &params, sizeof(params)),
2361                             (status_t)OK);
2362
2363                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
2364                    notify->setInt32("channel-count", params.nChannels);
2365                    notify->setInt32("sample-rate", params.nSampleRate);
2366                    break;
2367                }
2368
2369                case OMX_AUDIO_CodingAMR:
2370                {
2371                    OMX_AUDIO_PARAM_AMRTYPE params;
2372                    InitOMXParams(&params);
2373                    params.nPortIndex = kPortIndexOutput;
2374
2375                    CHECK_EQ(mOMX->getParameter(
2376                                mNode, OMX_IndexParamAudioAmr,
2377                                &params, sizeof(params)),
2378                             (status_t)OK);
2379
2380                    notify->setInt32("channel-count", 1);
2381                    if (params.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0) {
2382                        notify->setString(
2383                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
2384
2385                        notify->setInt32("sample-rate", 16000);
2386                    } else {
2387                        notify->setString(
2388                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
2389
2390                        notify->setInt32("sample-rate", 8000);
2391                    }
2392                    break;
2393                }
2394
2395                case OMX_AUDIO_CodingFLAC:
2396                {
2397                    OMX_AUDIO_PARAM_FLACTYPE params;
2398                    InitOMXParams(&params);
2399                    params.nPortIndex = kPortIndexOutput;
2400
2401                    CHECK_EQ(mOMX->getParameter(
2402                                mNode, OMX_IndexParamAudioFlac,
2403                                &params, sizeof(params)),
2404                             (status_t)OK);
2405
2406                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_FLAC);
2407                    notify->setInt32("channel-count", params.nChannels);
2408                    notify->setInt32("sample-rate", params.nSampleRate);
2409                    break;
2410                }
2411
2412                default:
2413                    TRESPASS();
2414            }
2415            break;
2416        }
2417
2418        default:
2419            TRESPASS();
2420    }
2421
2422    notify->post();
2423
2424    mSentFormat = true;
2425}
2426
2427void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
2428    sp<AMessage> notify = mNotify->dup();
2429    notify->setInt32("what", ACodec::kWhatError);
2430    notify->setInt32("omx-error", error);
2431    notify->setInt32("err", internalError);
2432    notify->post();
2433}
2434
2435status_t ACodec::pushBlankBuffersToNativeWindow() {
2436    status_t err = NO_ERROR;
2437    ANativeWindowBuffer* anb = NULL;
2438    int numBufs = 0;
2439    int minUndequeuedBufs = 0;
2440
2441    // We need to reconnect to the ANativeWindow as a CPU client to ensure that
2442    // no frames get dropped by SurfaceFlinger assuming that these are video
2443    // frames.
2444    err = native_window_api_disconnect(mNativeWindow.get(),
2445            NATIVE_WINDOW_API_MEDIA);
2446    if (err != NO_ERROR) {
2447        ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2448                strerror(-err), -err);
2449        return err;
2450    }
2451
2452    err = native_window_api_connect(mNativeWindow.get(),
2453            NATIVE_WINDOW_API_CPU);
2454    if (err != NO_ERROR) {
2455        ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2456                strerror(-err), -err);
2457        return err;
2458    }
2459
2460    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
2461            HAL_PIXEL_FORMAT_RGBX_8888);
2462    if (err != NO_ERROR) {
2463        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
2464                strerror(-err), -err);
2465        goto error;
2466    }
2467
2468    err = native_window_set_usage(mNativeWindow.get(),
2469            GRALLOC_USAGE_SW_WRITE_OFTEN);
2470    if (err != NO_ERROR) {
2471        ALOGE("error pushing blank frames: set_usage failed: %s (%d)",
2472                strerror(-err), -err);
2473        goto error;
2474    }
2475
2476    err = mNativeWindow->query(mNativeWindow.get(),
2477            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
2478    if (err != NO_ERROR) {
2479        ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
2480                "failed: %s (%d)", strerror(-err), -err);
2481        goto error;
2482    }
2483
2484    numBufs = minUndequeuedBufs + 1;
2485    err = native_window_set_buffer_count(mNativeWindow.get(), numBufs);
2486    if (err != NO_ERROR) {
2487        ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)",
2488                strerror(-err), -err);
2489        goto error;
2490    }
2491
2492    // We  push numBufs + 1 buffers to ensure that we've drawn into the same
2493    // buffer twice.  This should guarantee that the buffer has been displayed
2494    // on the screen and then been replaced, so an previous video frames are
2495    // guaranteed NOT to be currently displayed.
2496    for (int i = 0; i < numBufs + 1; i++) {
2497        int fenceFd = -1;
2498        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &anb);
2499        if (err != NO_ERROR) {
2500            ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
2501                    strerror(-err), -err);
2502            goto error;
2503        }
2504
2505        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
2506
2507        // Fill the buffer with the a 1x1 checkerboard pattern ;)
2508        uint32_t* img = NULL;
2509        err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
2510        if (err != NO_ERROR) {
2511            ALOGE("error pushing blank frames: lock failed: %s (%d)",
2512                    strerror(-err), -err);
2513            goto error;
2514        }
2515
2516        *img = 0;
2517
2518        err = buf->unlock();
2519        if (err != NO_ERROR) {
2520            ALOGE("error pushing blank frames: unlock failed: %s (%d)",
2521                    strerror(-err), -err);
2522            goto error;
2523        }
2524
2525        err = mNativeWindow->queueBuffer(mNativeWindow.get(),
2526                buf->getNativeBuffer(), -1);
2527        if (err != NO_ERROR) {
2528            ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)",
2529                    strerror(-err), -err);
2530            goto error;
2531        }
2532
2533        anb = NULL;
2534    }
2535
2536error:
2537
2538    if (err != NO_ERROR) {
2539        // Clean up after an error.
2540        if (anb != NULL) {
2541            mNativeWindow->cancelBuffer(mNativeWindow.get(), anb, -1);
2542        }
2543
2544        native_window_api_disconnect(mNativeWindow.get(),
2545                NATIVE_WINDOW_API_CPU);
2546        native_window_api_connect(mNativeWindow.get(),
2547                NATIVE_WINDOW_API_MEDIA);
2548
2549        return err;
2550    } else {
2551        // Clean up after success.
2552        err = native_window_api_disconnect(mNativeWindow.get(),
2553                NATIVE_WINDOW_API_CPU);
2554        if (err != NO_ERROR) {
2555            ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2556                    strerror(-err), -err);
2557            return err;
2558        }
2559
2560        err = native_window_api_connect(mNativeWindow.get(),
2561                NATIVE_WINDOW_API_MEDIA);
2562        if (err != NO_ERROR) {
2563            ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2564                    strerror(-err), -err);
2565            return err;
2566        }
2567
2568        return NO_ERROR;
2569    }
2570}
2571
2572////////////////////////////////////////////////////////////////////////////////
2573
2574ACodec::PortDescription::PortDescription() {
2575}
2576
2577status_t ACodec::requestIDRFrame() {
2578    if (!mIsEncoder) {
2579        return ERROR_UNSUPPORTED;
2580    }
2581
2582    OMX_CONFIG_INTRAREFRESHVOPTYPE params;
2583    InitOMXParams(&params);
2584
2585    params.nPortIndex = kPortIndexOutput;
2586    params.IntraRefreshVOP = OMX_TRUE;
2587
2588    return mOMX->setConfig(
2589            mNode,
2590            OMX_IndexConfigVideoIntraVOPRefresh,
2591            &params,
2592            sizeof(params));
2593}
2594
2595void ACodec::PortDescription::addBuffer(
2596        IOMX::buffer_id id, const sp<ABuffer> &buffer) {
2597    mBufferIDs.push_back(id);
2598    mBuffers.push_back(buffer);
2599}
2600
2601size_t ACodec::PortDescription::countBuffers() {
2602    return mBufferIDs.size();
2603}
2604
2605IOMX::buffer_id ACodec::PortDescription::bufferIDAt(size_t index) const {
2606    return mBufferIDs.itemAt(index);
2607}
2608
2609sp<ABuffer> ACodec::PortDescription::bufferAt(size_t index) const {
2610    return mBuffers.itemAt(index);
2611}
2612
2613////////////////////////////////////////////////////////////////////////////////
2614
2615ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
2616    : AState(parentState),
2617      mCodec(codec) {
2618}
2619
2620ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(OMX_U32 portIndex) {
2621    return KEEP_BUFFERS;
2622}
2623
2624bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
2625    switch (msg->what()) {
2626        case kWhatInputBufferFilled:
2627        {
2628            onInputBufferFilled(msg);
2629            break;
2630        }
2631
2632        case kWhatOutputBufferDrained:
2633        {
2634            onOutputBufferDrained(msg);
2635            break;
2636        }
2637
2638        case ACodec::kWhatOMXMessage:
2639        {
2640            return onOMXMessage(msg);
2641        }
2642
2643        case ACodec::kWhatCreateInputSurface:
2644        case ACodec::kWhatSignalEndOfInputStream:
2645        {
2646            ALOGE("Message 0x%x was not handled", msg->what());
2647            mCodec->signalError(OMX_ErrorUndefined, INVALID_OPERATION);
2648            return true;
2649        }
2650
2651        case ACodec::kWhatOMXDied:
2652        {
2653            ALOGE("OMX/mediaserver died, signalling error!");
2654            mCodec->signalError(OMX_ErrorResourcesLost, DEAD_OBJECT);
2655            break;
2656        }
2657
2658        default:
2659            return false;
2660    }
2661
2662    return true;
2663}
2664
2665bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
2666    int32_t type;
2667    CHECK(msg->findInt32("type", &type));
2668
2669    IOMX::node_id nodeID;
2670    CHECK(msg->findPointer("node", &nodeID));
2671    CHECK_EQ(nodeID, mCodec->mNode);
2672
2673    switch (type) {
2674        case omx_message::EVENT:
2675        {
2676            int32_t event, data1, data2;
2677            CHECK(msg->findInt32("event", &event));
2678            CHECK(msg->findInt32("data1", &data1));
2679            CHECK(msg->findInt32("data2", &data2));
2680
2681            if (event == OMX_EventCmdComplete
2682                    && data1 == OMX_CommandFlush
2683                    && data2 == (int32_t)OMX_ALL) {
2684                // Use of this notification is not consistent across
2685                // implementations. We'll drop this notification and rely
2686                // on flush-complete notifications on the individual port
2687                // indices instead.
2688
2689                return true;
2690            }
2691
2692            return onOMXEvent(
2693                    static_cast<OMX_EVENTTYPE>(event),
2694                    static_cast<OMX_U32>(data1),
2695                    static_cast<OMX_U32>(data2));
2696        }
2697
2698        case omx_message::EMPTY_BUFFER_DONE:
2699        {
2700            IOMX::buffer_id bufferID;
2701            CHECK(msg->findPointer("buffer", &bufferID));
2702
2703            return onOMXEmptyBufferDone(bufferID);
2704        }
2705
2706        case omx_message::FILL_BUFFER_DONE:
2707        {
2708            IOMX::buffer_id bufferID;
2709            CHECK(msg->findPointer("buffer", &bufferID));
2710
2711            int32_t rangeOffset, rangeLength, flags;
2712            int64_t timeUs;
2713            void *platformPrivate;
2714            void *dataPtr;
2715
2716            CHECK(msg->findInt32("range_offset", &rangeOffset));
2717            CHECK(msg->findInt32("range_length", &rangeLength));
2718            CHECK(msg->findInt32("flags", &flags));
2719            CHECK(msg->findInt64("timestamp", &timeUs));
2720            CHECK(msg->findPointer("platform_private", &platformPrivate));
2721            CHECK(msg->findPointer("data_ptr", &dataPtr));
2722
2723            return onOMXFillBufferDone(
2724                    bufferID,
2725                    (size_t)rangeOffset, (size_t)rangeLength,
2726                    (OMX_U32)flags,
2727                    timeUs,
2728                    platformPrivate,
2729                    dataPtr);
2730        }
2731
2732        default:
2733            TRESPASS();
2734            break;
2735    }
2736}
2737
2738bool ACodec::BaseState::onOMXEvent(
2739        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
2740    if (event != OMX_EventError) {
2741        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
2742             mCodec->mComponentName.c_str(), event, data1, data2);
2743
2744        return false;
2745    }
2746
2747    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
2748
2749    mCodec->signalError((OMX_ERRORTYPE)data1);
2750
2751    return true;
2752}
2753
2754bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
2755    ALOGV("[%s] onOMXEmptyBufferDone %p",
2756         mCodec->mComponentName.c_str(), bufferID);
2757
2758    BufferInfo *info =
2759        mCodec->findBufferByID(kPortIndexInput, bufferID);
2760
2761    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2762    info->mStatus = BufferInfo::OWNED_BY_US;
2763
2764    const sp<AMessage> &bufferMeta = info->mData->meta();
2765    void *mediaBuffer;
2766    if (bufferMeta->findPointer("mediaBuffer", &mediaBuffer)
2767            && mediaBuffer != NULL) {
2768        // We're in "store-metadata-in-buffers" mode, the underlying
2769        // OMX component had access to data that's implicitly refcounted
2770        // by this "mediaBuffer" object. Now that the OMX component has
2771        // told us that it's done with the input buffer, we can decrement
2772        // the mediaBuffer's reference count.
2773
2774        ALOGV("releasing mbuf %p", mediaBuffer);
2775
2776        ((MediaBuffer *)mediaBuffer)->release();
2777        mediaBuffer = NULL;
2778
2779        bufferMeta->setPointer("mediaBuffer", NULL);
2780    }
2781
2782    PortMode mode = getPortMode(kPortIndexInput);
2783
2784    switch (mode) {
2785        case KEEP_BUFFERS:
2786            break;
2787
2788        case RESUBMIT_BUFFERS:
2789            postFillThisBuffer(info);
2790            break;
2791
2792        default:
2793        {
2794            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2795            TRESPASS();  // Not currently used
2796            break;
2797        }
2798    }
2799
2800    return true;
2801}
2802
2803void ACodec::BaseState::postFillThisBuffer(BufferInfo *info) {
2804    if (mCodec->mPortEOS[kPortIndexInput]) {
2805        return;
2806    }
2807
2808    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
2809
2810    sp<AMessage> notify = mCodec->mNotify->dup();
2811    notify->setInt32("what", ACodec::kWhatFillThisBuffer);
2812    notify->setPointer("buffer-id", info->mBufferID);
2813
2814    info->mData->meta()->clear();
2815    notify->setBuffer("buffer", info->mData);
2816
2817    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, mCodec->id());
2818    reply->setPointer("buffer-id", info->mBufferID);
2819
2820    notify->setMessage("reply", reply);
2821
2822    notify->post();
2823
2824    info->mStatus = BufferInfo::OWNED_BY_UPSTREAM;
2825}
2826
2827void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
2828    IOMX::buffer_id bufferID;
2829    CHECK(msg->findPointer("buffer-id", &bufferID));
2830
2831    sp<ABuffer> buffer;
2832    int32_t err = OK;
2833    bool eos = false;
2834
2835    if (!msg->findBuffer("buffer", &buffer)) {
2836        CHECK(msg->findInt32("err", &err));
2837
2838        ALOGV("[%s] saw error %d instead of an input buffer",
2839             mCodec->mComponentName.c_str(), err);
2840
2841        buffer.clear();
2842
2843        eos = true;
2844    }
2845
2846    int32_t tmp;
2847    if (buffer != NULL && buffer->meta()->findInt32("eos", &tmp) && tmp) {
2848        eos = true;
2849        err = ERROR_END_OF_STREAM;
2850    }
2851
2852    BufferInfo *info = mCodec->findBufferByID(kPortIndexInput, bufferID);
2853    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_UPSTREAM);
2854
2855    info->mStatus = BufferInfo::OWNED_BY_US;
2856
2857    PortMode mode = getPortMode(kPortIndexInput);
2858
2859    switch (mode) {
2860        case KEEP_BUFFERS:
2861        {
2862            if (eos) {
2863                if (!mCodec->mPortEOS[kPortIndexInput]) {
2864                    mCodec->mPortEOS[kPortIndexInput] = true;
2865                    mCodec->mInputEOSResult = err;
2866                }
2867            }
2868            break;
2869        }
2870
2871        case RESUBMIT_BUFFERS:
2872        {
2873            if (buffer != NULL && !mCodec->mPortEOS[kPortIndexInput]) {
2874                int64_t timeUs;
2875                CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2876
2877                OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
2878
2879                int32_t isCSD;
2880                if (buffer->meta()->findInt32("csd", &isCSD) && isCSD != 0) {
2881                    flags |= OMX_BUFFERFLAG_CODECCONFIG;
2882                }
2883
2884                if (eos) {
2885                    flags |= OMX_BUFFERFLAG_EOS;
2886                }
2887
2888                if (buffer != info->mData) {
2889                    ALOGV("[%s] Needs to copy input data for buffer %p. (%p != %p)",
2890                         mCodec->mComponentName.c_str(),
2891                         bufferID,
2892                         buffer.get(), info->mData.get());
2893
2894                    CHECK_LE(buffer->size(), info->mData->capacity());
2895                    memcpy(info->mData->data(), buffer->data(), buffer->size());
2896                }
2897
2898                if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
2899                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
2900                         mCodec->mComponentName.c_str(), bufferID);
2901                } else if (flags & OMX_BUFFERFLAG_EOS) {
2902                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
2903                         mCodec->mComponentName.c_str(), bufferID);
2904                } else {
2905#if TRACK_BUFFER_TIMING
2906                    ALOGI("[%s] calling emptyBuffer %p w/ time %lld us",
2907                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2908#else
2909                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
2910                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2911#endif
2912                }
2913
2914#if TRACK_BUFFER_TIMING
2915                ACodec::BufferStats stats;
2916                stats.mEmptyBufferTimeUs = ALooper::GetNowUs();
2917                stats.mFillBufferDoneTimeUs = -1ll;
2918                mCodec->mBufferStats.add(timeUs, stats);
2919#endif
2920
2921                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2922                            mCodec->mNode,
2923                            bufferID,
2924                            0,
2925                            buffer->size(),
2926                            flags,
2927                            timeUs),
2928                         (status_t)OK);
2929
2930                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2931
2932                if (!eos) {
2933                    getMoreInputDataIfPossible();
2934                } else {
2935                    ALOGV("[%s] Signalled EOS on the input port",
2936                         mCodec->mComponentName.c_str());
2937
2938                    mCodec->mPortEOS[kPortIndexInput] = true;
2939                    mCodec->mInputEOSResult = err;
2940                }
2941            } else if (!mCodec->mPortEOS[kPortIndexInput]) {
2942                if (err != ERROR_END_OF_STREAM) {
2943                    ALOGV("[%s] Signalling EOS on the input port "
2944                         "due to error %d",
2945                         mCodec->mComponentName.c_str(), err);
2946                } else {
2947                    ALOGV("[%s] Signalling EOS on the input port",
2948                         mCodec->mComponentName.c_str());
2949                }
2950
2951                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
2952                     mCodec->mComponentName.c_str(), bufferID);
2953
2954                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2955                            mCodec->mNode,
2956                            bufferID,
2957                            0,
2958                            0,
2959                            OMX_BUFFERFLAG_EOS,
2960                            0),
2961                         (status_t)OK);
2962
2963                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2964
2965                mCodec->mPortEOS[kPortIndexInput] = true;
2966                mCodec->mInputEOSResult = err;
2967            }
2968            break;
2969
2970            default:
2971                CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2972                break;
2973        }
2974    }
2975}
2976
2977void ACodec::BaseState::getMoreInputDataIfPossible() {
2978    if (mCodec->mPortEOS[kPortIndexInput]) {
2979        return;
2980    }
2981
2982    BufferInfo *eligible = NULL;
2983
2984    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
2985        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
2986
2987#if 0
2988        if (info->mStatus == BufferInfo::OWNED_BY_UPSTREAM) {
2989            // There's already a "read" pending.
2990            return;
2991        }
2992#endif
2993
2994        if (info->mStatus == BufferInfo::OWNED_BY_US) {
2995            eligible = info;
2996        }
2997    }
2998
2999    if (eligible == NULL) {
3000        return;
3001    }
3002
3003    postFillThisBuffer(eligible);
3004}
3005
3006bool ACodec::BaseState::onOMXFillBufferDone(
3007        IOMX::buffer_id bufferID,
3008        size_t rangeOffset, size_t rangeLength,
3009        OMX_U32 flags,
3010        int64_t timeUs,
3011        void *platformPrivate,
3012        void *dataPtr) {
3013    ALOGV("[%s] onOMXFillBufferDone %p time %lld us, flags = 0x%08lx",
3014         mCodec->mComponentName.c_str(), bufferID, timeUs, flags);
3015
3016    ssize_t index;
3017
3018#if TRACK_BUFFER_TIMING
3019    index = mCodec->mBufferStats.indexOfKey(timeUs);
3020    if (index >= 0) {
3021        ACodec::BufferStats *stats = &mCodec->mBufferStats.editValueAt(index);
3022        stats->mFillBufferDoneTimeUs = ALooper::GetNowUs();
3023
3024        ALOGI("frame PTS %lld: %lld",
3025                timeUs,
3026                stats->mFillBufferDoneTimeUs - stats->mEmptyBufferTimeUs);
3027
3028        mCodec->mBufferStats.removeItemsAt(index);
3029        stats = NULL;
3030    }
3031#endif
3032
3033    BufferInfo *info =
3034        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3035
3036    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
3037
3038    info->mStatus = BufferInfo::OWNED_BY_US;
3039
3040    PortMode mode = getPortMode(kPortIndexOutput);
3041
3042    switch (mode) {
3043        case KEEP_BUFFERS:
3044            break;
3045
3046        case RESUBMIT_BUFFERS:
3047        {
3048            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
3049                ALOGV("[%s] calling fillBuffer %p",
3050                     mCodec->mComponentName.c_str(), info->mBufferID);
3051
3052                CHECK_EQ(mCodec->mOMX->fillBuffer(
3053                            mCodec->mNode, info->mBufferID),
3054                         (status_t)OK);
3055
3056                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3057                break;
3058            }
3059
3060            if (!mCodec->mSentFormat) {
3061                mCodec->sendFormatChange();
3062            }
3063
3064            info->mData->setRange(rangeOffset, rangeLength);
3065#if 0
3066            if (mCodec->mNativeWindow == NULL) {
3067                if (IsIDR(info->mData)) {
3068                    ALOGI("IDR frame");
3069                }
3070            }
3071#endif
3072
3073            if (mCodec->mSkipCutBuffer != NULL) {
3074                mCodec->mSkipCutBuffer->submit(info->mData);
3075            }
3076            info->mData->meta()->setInt64("timeUs", timeUs);
3077
3078            sp<AMessage> notify = mCodec->mNotify->dup();
3079            notify->setInt32("what", ACodec::kWhatDrainThisBuffer);
3080            notify->setPointer("buffer-id", info->mBufferID);
3081            notify->setBuffer("buffer", info->mData);
3082            notify->setInt32("flags", flags);
3083
3084            sp<AMessage> reply =
3085                new AMessage(kWhatOutputBufferDrained, mCodec->id());
3086
3087            reply->setPointer("buffer-id", info->mBufferID);
3088
3089            notify->setMessage("reply", reply);
3090
3091            notify->post();
3092
3093            info->mStatus = BufferInfo::OWNED_BY_DOWNSTREAM;
3094
3095            if (flags & OMX_BUFFERFLAG_EOS) {
3096                ALOGV("[%s] saw output EOS", mCodec->mComponentName.c_str());
3097
3098                sp<AMessage> notify = mCodec->mNotify->dup();
3099                notify->setInt32("what", ACodec::kWhatEOS);
3100                notify->setInt32("err", mCodec->mInputEOSResult);
3101                notify->post();
3102
3103                mCodec->mPortEOS[kPortIndexOutput] = true;
3104            }
3105            break;
3106        }
3107
3108        default:
3109        {
3110            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3111
3112            CHECK_EQ((status_t)OK,
3113                     mCodec->freeBuffer(kPortIndexOutput, index));
3114            break;
3115        }
3116    }
3117
3118    return true;
3119}
3120
3121void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
3122    IOMX::buffer_id bufferID;
3123    CHECK(msg->findPointer("buffer-id", &bufferID));
3124
3125    ssize_t index;
3126    BufferInfo *info =
3127        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3128    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
3129
3130    int32_t render;
3131    if (mCodec->mNativeWindow != NULL
3132            && msg->findInt32("render", &render) && render != 0) {
3133        // The client wants this buffer to be rendered.
3134
3135        status_t err;
3136        if ((err = mCodec->mNativeWindow->queueBuffer(
3137                    mCodec->mNativeWindow.get(),
3138                    info->mGraphicBuffer.get(), -1)) == OK) {
3139            info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
3140        } else {
3141            mCodec->signalError(OMX_ErrorUndefined, err);
3142            info->mStatus = BufferInfo::OWNED_BY_US;
3143        }
3144    } else {
3145        info->mStatus = BufferInfo::OWNED_BY_US;
3146    }
3147
3148    PortMode mode = getPortMode(kPortIndexOutput);
3149
3150    switch (mode) {
3151        case KEEP_BUFFERS:
3152        {
3153            // XXX fishy, revisit!!! What about the FREE_BUFFERS case below?
3154
3155            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3156                // We cannot resubmit the buffer we just rendered, dequeue
3157                // the spare instead.
3158
3159                info = mCodec->dequeueBufferFromNativeWindow();
3160            }
3161            break;
3162        }
3163
3164        case RESUBMIT_BUFFERS:
3165        {
3166            if (!mCodec->mPortEOS[kPortIndexOutput]) {
3167                if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3168                    // We cannot resubmit the buffer we just rendered, dequeue
3169                    // the spare instead.
3170
3171                    info = mCodec->dequeueBufferFromNativeWindow();
3172                }
3173
3174                if (info != NULL) {
3175                    ALOGV("[%s] calling fillBuffer %p",
3176                         mCodec->mComponentName.c_str(), info->mBufferID);
3177
3178                    CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3179                             (status_t)OK);
3180
3181                    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3182                }
3183            }
3184            break;
3185        }
3186
3187        default:
3188        {
3189            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3190
3191            CHECK_EQ((status_t)OK,
3192                     mCodec->freeBuffer(kPortIndexOutput, index));
3193            break;
3194        }
3195    }
3196}
3197
3198////////////////////////////////////////////////////////////////////////////////
3199
3200ACodec::UninitializedState::UninitializedState(ACodec *codec)
3201    : BaseState(codec) {
3202}
3203
3204void ACodec::UninitializedState::stateEntered() {
3205    ALOGV("Now uninitialized");
3206
3207    if (mDeathNotifier != NULL) {
3208        mCodec->mOMX->asBinder()->unlinkToDeath(mDeathNotifier);
3209        mDeathNotifier.clear();
3210    }
3211
3212    mCodec->mNativeWindow.clear();
3213    mCodec->mNode = NULL;
3214    mCodec->mOMX.clear();
3215    mCodec->mQuirks = 0;
3216    mCodec->mFlags = 0;
3217    mCodec->mComponentName.clear();
3218}
3219
3220bool ACodec::UninitializedState::onMessageReceived(const sp<AMessage> &msg) {
3221    bool handled = false;
3222
3223    switch (msg->what()) {
3224        case ACodec::kWhatSetup:
3225        {
3226            onSetup(msg);
3227
3228            handled = true;
3229            break;
3230        }
3231
3232        case ACodec::kWhatAllocateComponent:
3233        {
3234            onAllocateComponent(msg);
3235            handled = true;
3236            break;
3237        }
3238
3239        case ACodec::kWhatShutdown:
3240        {
3241            int32_t keepComponentAllocated;
3242            CHECK(msg->findInt32(
3243                        "keepComponentAllocated", &keepComponentAllocated));
3244            CHECK(!keepComponentAllocated);
3245
3246            sp<AMessage> notify = mCodec->mNotify->dup();
3247            notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3248            notify->post();
3249
3250            handled = true;
3251            break;
3252        }
3253
3254        case ACodec::kWhatFlush:
3255        {
3256            sp<AMessage> notify = mCodec->mNotify->dup();
3257            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3258            notify->post();
3259
3260            handled = true;
3261            break;
3262        }
3263
3264        default:
3265            return BaseState::onMessageReceived(msg);
3266    }
3267
3268    return handled;
3269}
3270
3271void ACodec::UninitializedState::onSetup(
3272        const sp<AMessage> &msg) {
3273    if (onAllocateComponent(msg)
3274            && mCodec->mLoadedState->onConfigureComponent(msg)) {
3275        mCodec->mLoadedState->onStart();
3276    }
3277}
3278
3279bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
3280    ALOGV("onAllocateComponent");
3281
3282    CHECK(mCodec->mNode == NULL);
3283
3284    OMXClient client;
3285    CHECK_EQ(client.connect(), (status_t)OK);
3286
3287    sp<IOMX> omx = client.interface();
3288
3289    sp<AMessage> notify = new AMessage(kWhatOMXDied, mCodec->id());
3290
3291    mDeathNotifier = new DeathNotifier(notify);
3292    if (omx->asBinder()->linkToDeath(mDeathNotifier) != OK) {
3293        // This was a local binder, if it dies so do we, we won't care
3294        // about any notifications in the afterlife.
3295        mDeathNotifier.clear();
3296    }
3297
3298    Vector<OMXCodec::CodecNameAndQuirks> matchingCodecs;
3299
3300    AString mime;
3301
3302    AString componentName;
3303    uint32_t quirks = 0;
3304    if (msg->findString("componentName", &componentName)) {
3305        ssize_t index = matchingCodecs.add();
3306        OMXCodec::CodecNameAndQuirks *entry = &matchingCodecs.editItemAt(index);
3307        entry->mName = String8(componentName.c_str());
3308
3309        if (!OMXCodec::findCodecQuirks(
3310                    componentName.c_str(), &entry->mQuirks)) {
3311            entry->mQuirks = 0;
3312        }
3313    } else {
3314        CHECK(msg->findString("mime", &mime));
3315
3316        int32_t encoder;
3317        if (!msg->findInt32("encoder", &encoder)) {
3318            encoder = false;
3319        }
3320
3321        OMXCodec::findMatchingCodecs(
3322                mime.c_str(),
3323                encoder, // createEncoder
3324                NULL,  // matchComponentName
3325                0,     // flags
3326                &matchingCodecs);
3327    }
3328
3329    sp<CodecObserver> observer = new CodecObserver;
3330    IOMX::node_id node = NULL;
3331
3332    for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
3333            ++matchIndex) {
3334        componentName = matchingCodecs.itemAt(matchIndex).mName.string();
3335        quirks = matchingCodecs.itemAt(matchIndex).mQuirks;
3336
3337        pid_t tid = androidGetTid();
3338        int prevPriority = androidGetThreadPriority(tid);
3339        androidSetThreadPriority(tid, ANDROID_PRIORITY_FOREGROUND);
3340        status_t err = omx->allocateNode(componentName.c_str(), observer, &node);
3341        androidSetThreadPriority(tid, prevPriority);
3342
3343        if (err == OK) {
3344            break;
3345        }
3346
3347        node = NULL;
3348    }
3349
3350    if (node == NULL) {
3351        if (!mime.empty()) {
3352            ALOGE("Unable to instantiate a decoder for type '%s'.",
3353                 mime.c_str());
3354        } else {
3355            ALOGE("Unable to instantiate decoder '%s'.", componentName.c_str());
3356        }
3357
3358        mCodec->signalError(OMX_ErrorComponentNotFound);
3359        return false;
3360    }
3361
3362    notify = new AMessage(kWhatOMXMessage, mCodec->id());
3363    observer->setNotificationMessage(notify);
3364
3365    mCodec->mComponentName = componentName;
3366    mCodec->mFlags = 0;
3367
3368    if (componentName.endsWith(".secure")) {
3369        mCodec->mFlags |= kFlagIsSecure;
3370    }
3371
3372    mCodec->mQuirks = quirks;
3373    mCodec->mOMX = omx;
3374    mCodec->mNode = node;
3375
3376    {
3377        sp<AMessage> notify = mCodec->mNotify->dup();
3378        notify->setInt32("what", ACodec::kWhatComponentAllocated);
3379        notify->setString("componentName", mCodec->mComponentName.c_str());
3380        notify->post();
3381    }
3382
3383    mCodec->changeState(mCodec->mLoadedState);
3384
3385    return true;
3386}
3387
3388////////////////////////////////////////////////////////////////////////////////
3389
3390ACodec::LoadedState::LoadedState(ACodec *codec)
3391    : BaseState(codec) {
3392}
3393
3394void ACodec::LoadedState::stateEntered() {
3395    ALOGV("[%s] Now Loaded", mCodec->mComponentName.c_str());
3396
3397    mCodec->mPortEOS[kPortIndexInput] =
3398        mCodec->mPortEOS[kPortIndexOutput] = false;
3399
3400    mCodec->mInputEOSResult = OK;
3401
3402    if (mCodec->mShutdownInProgress) {
3403        bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
3404
3405        mCodec->mShutdownInProgress = false;
3406        mCodec->mKeepComponentAllocated = false;
3407
3408        onShutdown(keepComponentAllocated);
3409    }
3410}
3411
3412void ACodec::LoadedState::onShutdown(bool keepComponentAllocated) {
3413    if (!keepComponentAllocated) {
3414        CHECK_EQ(mCodec->mOMX->freeNode(mCodec->mNode), (status_t)OK);
3415
3416        mCodec->changeState(mCodec->mUninitializedState);
3417    }
3418
3419    sp<AMessage> notify = mCodec->mNotify->dup();
3420    notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3421    notify->post();
3422}
3423
3424bool ACodec::LoadedState::onMessageReceived(const sp<AMessage> &msg) {
3425    bool handled = false;
3426
3427    switch (msg->what()) {
3428        case ACodec::kWhatConfigureComponent:
3429        {
3430            onConfigureComponent(msg);
3431            handled = true;
3432            break;
3433        }
3434
3435        case ACodec::kWhatCreateInputSurface:
3436        {
3437            onCreateInputSurface(msg);
3438            handled = true;
3439            break;
3440        }
3441
3442        case ACodec::kWhatStart:
3443        {
3444            onStart();
3445            handled = true;
3446            break;
3447        }
3448
3449        case ACodec::kWhatShutdown:
3450        {
3451            int32_t keepComponentAllocated;
3452            CHECK(msg->findInt32(
3453                        "keepComponentAllocated", &keepComponentAllocated));
3454
3455            onShutdown(keepComponentAllocated);
3456
3457            handled = true;
3458            break;
3459        }
3460
3461        case ACodec::kWhatFlush:
3462        {
3463            sp<AMessage> notify = mCodec->mNotify->dup();
3464            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3465            notify->post();
3466
3467            handled = true;
3468            break;
3469        }
3470
3471        default:
3472            return BaseState::onMessageReceived(msg);
3473    }
3474
3475    return handled;
3476}
3477
3478bool ACodec::LoadedState::onConfigureComponent(
3479        const sp<AMessage> &msg) {
3480    ALOGV("onConfigureComponent");
3481
3482    CHECK(mCodec->mNode != NULL);
3483
3484    AString mime;
3485    CHECK(msg->findString("mime", &mime));
3486
3487    status_t err = mCodec->configureCodec(mime.c_str(), msg);
3488
3489    if (err != OK) {
3490        ALOGE("[%s] configureCodec returning error %d",
3491              mCodec->mComponentName.c_str(), err);
3492
3493        mCodec->signalError(OMX_ErrorUndefined, err);
3494        return false;
3495    }
3496
3497    sp<RefBase> obj;
3498    if (msg->findObject("native-window", &obj)
3499            && strncmp("OMX.google.", mCodec->mComponentName.c_str(), 11)) {
3500        sp<NativeWindowWrapper> nativeWindow(
3501                static_cast<NativeWindowWrapper *>(obj.get()));
3502        CHECK(nativeWindow != NULL);
3503        mCodec->mNativeWindow = nativeWindow->getNativeWindow();
3504
3505        native_window_set_scaling_mode(
3506                mCodec->mNativeWindow.get(),
3507                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
3508    }
3509    CHECK_EQ((status_t)OK, mCodec->initNativeWindow());
3510
3511    {
3512        sp<AMessage> notify = mCodec->mNotify->dup();
3513        notify->setInt32("what", ACodec::kWhatComponentConfigured);
3514        notify->post();
3515    }
3516
3517    return true;
3518}
3519
3520void ACodec::LoadedState::onCreateInputSurface(
3521        const sp<AMessage> &msg) {
3522    ALOGV("onCreateInputSurface");
3523
3524    sp<AMessage> notify = mCodec->mNotify->dup();
3525    notify->setInt32("what", ACodec::kWhatInputSurfaceCreated);
3526
3527    sp<IGraphicBufferProducer> bufferProducer;
3528    status_t err;
3529
3530    err = mCodec->mOMX->createInputSurface(mCodec->mNode, kPortIndexInput,
3531            &bufferProducer);
3532    if (err == OK) {
3533        notify->setObject("input-surface",
3534                new BufferProducerWrapper(bufferProducer));
3535    } else {
3536        // Can't use mCodec->signalError() here -- MediaCodec won't forward
3537        // the error through because it's in the "configured" state.  We
3538        // send a kWhatInputSurfaceCreated with an error value instead.
3539        ALOGE("[%s] onCreateInputSurface returning error %d",
3540                mCodec->mComponentName.c_str(), err);
3541        notify->setInt32("err", err);
3542    }
3543    notify->post();
3544}
3545
3546void ACodec::LoadedState::onStart() {
3547    ALOGV("onStart");
3548
3549    CHECK_EQ(mCodec->mOMX->sendCommand(
3550                mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3551             (status_t)OK);
3552
3553    mCodec->changeState(mCodec->mLoadedToIdleState);
3554}
3555
3556////////////////////////////////////////////////////////////////////////////////
3557
3558ACodec::LoadedToIdleState::LoadedToIdleState(ACodec *codec)
3559    : BaseState(codec) {
3560}
3561
3562void ACodec::LoadedToIdleState::stateEntered() {
3563    ALOGV("[%s] Now Loaded->Idle", mCodec->mComponentName.c_str());
3564
3565    status_t err;
3566    if ((err = allocateBuffers()) != OK) {
3567        ALOGE("Failed to allocate buffers after transitioning to IDLE state "
3568             "(error 0x%08x)",
3569             err);
3570
3571        mCodec->signalError(OMX_ErrorUndefined, err);
3572
3573        mCodec->changeState(mCodec->mLoadedState);
3574    }
3575}
3576
3577status_t ACodec::LoadedToIdleState::allocateBuffers() {
3578    status_t err = mCodec->allocateBuffersOnPort(kPortIndexInput);
3579
3580    if (err != OK) {
3581        return err;
3582    }
3583
3584    return mCodec->allocateBuffersOnPort(kPortIndexOutput);
3585}
3586
3587bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
3588    switch (msg->what()) {
3589        case kWhatShutdown:
3590        {
3591            mCodec->deferMessage(msg);
3592            return true;
3593        }
3594
3595        case kWhatSignalEndOfInputStream:
3596        {
3597            mCodec->onSignalEndOfInputStream();
3598            return true;
3599        }
3600
3601        case kWhatResume:
3602        {
3603            // We'll be active soon enough.
3604            return true;
3605        }
3606
3607        case kWhatFlush:
3608        {
3609            // We haven't even started yet, so we're flushed alright...
3610            sp<AMessage> notify = mCodec->mNotify->dup();
3611            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3612            notify->post();
3613            return true;
3614        }
3615
3616        default:
3617            return BaseState::onMessageReceived(msg);
3618    }
3619}
3620
3621bool ACodec::LoadedToIdleState::onOMXEvent(
3622        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3623    switch (event) {
3624        case OMX_EventCmdComplete:
3625        {
3626            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3627            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
3628
3629            CHECK_EQ(mCodec->mOMX->sendCommand(
3630                        mCodec->mNode, OMX_CommandStateSet, OMX_StateExecuting),
3631                     (status_t)OK);
3632
3633            mCodec->changeState(mCodec->mIdleToExecutingState);
3634
3635            return true;
3636        }
3637
3638        default:
3639            return BaseState::onOMXEvent(event, data1, data2);
3640    }
3641}
3642
3643////////////////////////////////////////////////////////////////////////////////
3644
3645ACodec::IdleToExecutingState::IdleToExecutingState(ACodec *codec)
3646    : BaseState(codec) {
3647}
3648
3649void ACodec::IdleToExecutingState::stateEntered() {
3650    ALOGV("[%s] Now Idle->Executing", mCodec->mComponentName.c_str());
3651}
3652
3653bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3654    switch (msg->what()) {
3655        case kWhatShutdown:
3656        {
3657            mCodec->deferMessage(msg);
3658            return true;
3659        }
3660
3661        case kWhatResume:
3662        {
3663            // We'll be active soon enough.
3664            return true;
3665        }
3666
3667        case kWhatFlush:
3668        {
3669            // We haven't even started yet, so we're flushed alright...
3670            sp<AMessage> notify = mCodec->mNotify->dup();
3671            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3672            notify->post();
3673
3674            return true;
3675        }
3676
3677        case kWhatSignalEndOfInputStream:
3678        {
3679            mCodec->onSignalEndOfInputStream();
3680            return true;
3681        }
3682
3683        default:
3684            return BaseState::onMessageReceived(msg);
3685    }
3686}
3687
3688bool ACodec::IdleToExecutingState::onOMXEvent(
3689        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3690    switch (event) {
3691        case OMX_EventCmdComplete:
3692        {
3693            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3694            CHECK_EQ(data2, (OMX_U32)OMX_StateExecuting);
3695
3696            mCodec->mExecutingState->resume();
3697            mCodec->changeState(mCodec->mExecutingState);
3698
3699            return true;
3700        }
3701
3702        default:
3703            return BaseState::onOMXEvent(event, data1, data2);
3704    }
3705}
3706
3707////////////////////////////////////////////////////////////////////////////////
3708
3709ACodec::ExecutingState::ExecutingState(ACodec *codec)
3710    : BaseState(codec),
3711      mActive(false) {
3712}
3713
3714ACodec::BaseState::PortMode ACodec::ExecutingState::getPortMode(
3715        OMX_U32 portIndex) {
3716    return RESUBMIT_BUFFERS;
3717}
3718
3719void ACodec::ExecutingState::submitOutputBuffers() {
3720    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexOutput].size(); ++i) {
3721        BufferInfo *info = &mCodec->mBuffers[kPortIndexOutput].editItemAt(i);
3722
3723        if (mCodec->mNativeWindow != NULL) {
3724            CHECK(info->mStatus == BufferInfo::OWNED_BY_US
3725                    || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
3726
3727            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3728                continue;
3729            }
3730        } else {
3731            CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
3732        }
3733
3734        ALOGV("[%s] calling fillBuffer %p",
3735             mCodec->mComponentName.c_str(), info->mBufferID);
3736
3737        CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3738                 (status_t)OK);
3739
3740        info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3741    }
3742}
3743
3744void ACodec::ExecutingState::resume() {
3745    if (mActive) {
3746        ALOGV("[%s] We're already active, no need to resume.",
3747             mCodec->mComponentName.c_str());
3748
3749        return;
3750    }
3751
3752    submitOutputBuffers();
3753
3754    // Post the first input buffer.
3755    CHECK_GT(mCodec->mBuffers[kPortIndexInput].size(), 0u);
3756    BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(0);
3757
3758    postFillThisBuffer(info);
3759
3760    mActive = true;
3761}
3762
3763void ACodec::ExecutingState::stateEntered() {
3764    ALOGV("[%s] Now Executing", mCodec->mComponentName.c_str());
3765
3766    mCodec->processDeferredMessages();
3767}
3768
3769bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3770    bool handled = false;
3771
3772    switch (msg->what()) {
3773        case kWhatShutdown:
3774        {
3775            int32_t keepComponentAllocated;
3776            CHECK(msg->findInt32(
3777                        "keepComponentAllocated", &keepComponentAllocated));
3778
3779            mCodec->mShutdownInProgress = true;
3780            mCodec->mKeepComponentAllocated = keepComponentAllocated;
3781
3782            mActive = false;
3783
3784            CHECK_EQ(mCodec->mOMX->sendCommand(
3785                        mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3786                     (status_t)OK);
3787
3788            mCodec->changeState(mCodec->mExecutingToIdleState);
3789
3790            handled = true;
3791            break;
3792        }
3793
3794        case kWhatFlush:
3795        {
3796            ALOGV("[%s] ExecutingState flushing now "
3797                 "(codec owns %d/%d input, %d/%d output).",
3798                    mCodec->mComponentName.c_str(),
3799                    mCodec->countBuffersOwnedByComponent(kPortIndexInput),
3800                    mCodec->mBuffers[kPortIndexInput].size(),
3801                    mCodec->countBuffersOwnedByComponent(kPortIndexOutput),
3802                    mCodec->mBuffers[kPortIndexOutput].size());
3803
3804            mActive = false;
3805
3806            CHECK_EQ(mCodec->mOMX->sendCommand(
3807                        mCodec->mNode, OMX_CommandFlush, OMX_ALL),
3808                     (status_t)OK);
3809
3810            mCodec->changeState(mCodec->mFlushingState);
3811            handled = true;
3812            break;
3813        }
3814
3815        case kWhatResume:
3816        {
3817            resume();
3818
3819            handled = true;
3820            break;
3821        }
3822
3823        case kWhatRequestIDRFrame:
3824        {
3825            status_t err = mCodec->requestIDRFrame();
3826            if (err != OK) {
3827                ALOGW("Requesting an IDR frame failed.");
3828            }
3829
3830            handled = true;
3831            break;
3832        }
3833
3834        case kWhatSetParameters:
3835        {
3836            sp<AMessage> params;
3837            CHECK(msg->findMessage("params", &params));
3838
3839            status_t err = mCodec->setParameters(params);
3840
3841            sp<AMessage> reply;
3842            if (msg->findMessage("reply", &reply)) {
3843                reply->setInt32("err", err);
3844                reply->post();
3845            }
3846
3847            handled = true;
3848            break;
3849        }
3850
3851        case ACodec::kWhatSignalEndOfInputStream:
3852        {
3853            mCodec->onSignalEndOfInputStream();
3854            handled = true;
3855            break;
3856        }
3857
3858        default:
3859            handled = BaseState::onMessageReceived(msg);
3860            break;
3861    }
3862
3863    return handled;
3864}
3865
3866status_t ACodec::setParameters(const sp<AMessage> &params) {
3867    int32_t videoBitrate;
3868    if (params->findInt32("videoBitrate", &videoBitrate)) {
3869        OMX_VIDEO_CONFIG_BITRATETYPE configParams;
3870        InitOMXParams(&configParams);
3871        configParams.nPortIndex = kPortIndexOutput;
3872        configParams.nEncodeBitrate = videoBitrate;
3873
3874        status_t err = mOMX->setConfig(
3875                mNode,
3876                OMX_IndexConfigVideoBitrate,
3877                &configParams,
3878                sizeof(configParams));
3879
3880        if (err != OK) {
3881            ALOGE("setConfig(OMX_IndexConfigVideoBitrate, %d) failed w/ err %d",
3882                   videoBitrate, err);
3883
3884            return err;
3885        }
3886    }
3887
3888    return OK;
3889}
3890
3891void ACodec::onSignalEndOfInputStream() {
3892    sp<AMessage> notify = mNotify->dup();
3893    notify->setInt32("what", ACodec::kWhatSignaledInputEOS);
3894
3895    status_t err = mOMX->signalEndOfInputStream(mNode);
3896    if (err != OK) {
3897        notify->setInt32("err", err);
3898    }
3899    notify->post();
3900}
3901
3902bool ACodec::ExecutingState::onOMXEvent(
3903        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3904    switch (event) {
3905        case OMX_EventPortSettingsChanged:
3906        {
3907            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
3908
3909            if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
3910                CHECK_EQ(mCodec->mOMX->sendCommand(
3911                            mCodec->mNode,
3912                            OMX_CommandPortDisable, kPortIndexOutput),
3913                         (status_t)OK);
3914
3915                mCodec->freeOutputBuffersNotOwnedByComponent();
3916
3917                mCodec->changeState(mCodec->mOutputPortSettingsChangedState);
3918            } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
3919                mCodec->mSentFormat = false;
3920            } else {
3921                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
3922                     mCodec->mComponentName.c_str(), data2);
3923            }
3924
3925            return true;
3926        }
3927
3928        case OMX_EventBufferFlag:
3929        {
3930            return true;
3931        }
3932
3933        default:
3934            return BaseState::onOMXEvent(event, data1, data2);
3935    }
3936}
3937
3938////////////////////////////////////////////////////////////////////////////////
3939
3940ACodec::OutputPortSettingsChangedState::OutputPortSettingsChangedState(
3941        ACodec *codec)
3942    : BaseState(codec) {
3943}
3944
3945ACodec::BaseState::PortMode ACodec::OutputPortSettingsChangedState::getPortMode(
3946        OMX_U32 portIndex) {
3947    if (portIndex == kPortIndexOutput) {
3948        return FREE_BUFFERS;
3949    }
3950
3951    CHECK_EQ(portIndex, (OMX_U32)kPortIndexInput);
3952
3953    return RESUBMIT_BUFFERS;
3954}
3955
3956bool ACodec::OutputPortSettingsChangedState::onMessageReceived(
3957        const sp<AMessage> &msg) {
3958    bool handled = false;
3959
3960    switch (msg->what()) {
3961        case kWhatFlush:
3962        case kWhatShutdown:
3963        case kWhatResume:
3964        {
3965            if (msg->what() == kWhatResume) {
3966                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
3967            }
3968
3969            mCodec->deferMessage(msg);
3970            handled = true;
3971            break;
3972        }
3973
3974        default:
3975            handled = BaseState::onMessageReceived(msg);
3976            break;
3977    }
3978
3979    return handled;
3980}
3981
3982void ACodec::OutputPortSettingsChangedState::stateEntered() {
3983    ALOGV("[%s] Now handling output port settings change",
3984         mCodec->mComponentName.c_str());
3985}
3986
3987bool ACodec::OutputPortSettingsChangedState::onOMXEvent(
3988        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3989    switch (event) {
3990        case OMX_EventCmdComplete:
3991        {
3992            if (data1 == (OMX_U32)OMX_CommandPortDisable) {
3993                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
3994
3995                ALOGV("[%s] Output port now disabled.",
3996                        mCodec->mComponentName.c_str());
3997
3998                CHECK(mCodec->mBuffers[kPortIndexOutput].isEmpty());
3999                mCodec->mDealer[kPortIndexOutput].clear();
4000
4001                CHECK_EQ(mCodec->mOMX->sendCommand(
4002                            mCodec->mNode, OMX_CommandPortEnable, kPortIndexOutput),
4003                         (status_t)OK);
4004
4005                status_t err;
4006                if ((err = mCodec->allocateBuffersOnPort(
4007                                kPortIndexOutput)) != OK) {
4008                    ALOGE("Failed to allocate output port buffers after "
4009                         "port reconfiguration (error 0x%08x)",
4010                         err);
4011
4012                    mCodec->signalError(OMX_ErrorUndefined, err);
4013
4014                    // This is technically not correct, but appears to be
4015                    // the only way to free the component instance.
4016                    // Controlled transitioning from excecuting->idle
4017                    // and idle->loaded seem impossible probably because
4018                    // the output port never finishes re-enabling.
4019                    mCodec->mShutdownInProgress = true;
4020                    mCodec->mKeepComponentAllocated = false;
4021                    mCodec->changeState(mCodec->mLoadedState);
4022                }
4023
4024                return true;
4025            } else if (data1 == (OMX_U32)OMX_CommandPortEnable) {
4026                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
4027
4028                mCodec->mSentFormat = false;
4029
4030                ALOGV("[%s] Output port now reenabled.",
4031                        mCodec->mComponentName.c_str());
4032
4033                if (mCodec->mExecutingState->active()) {
4034                    mCodec->mExecutingState->submitOutputBuffers();
4035                }
4036
4037                mCodec->changeState(mCodec->mExecutingState);
4038
4039                return true;
4040            }
4041
4042            return false;
4043        }
4044
4045        default:
4046            return false;
4047    }
4048}
4049
4050////////////////////////////////////////////////////////////////////////////////
4051
4052ACodec::ExecutingToIdleState::ExecutingToIdleState(ACodec *codec)
4053    : BaseState(codec),
4054      mComponentNowIdle(false) {
4055}
4056
4057bool ACodec::ExecutingToIdleState::onMessageReceived(const sp<AMessage> &msg) {
4058    bool handled = false;
4059
4060    switch (msg->what()) {
4061        case kWhatFlush:
4062        {
4063            // Don't send me a flush request if you previously wanted me
4064            // to shutdown.
4065            TRESPASS();
4066            break;
4067        }
4068
4069        case kWhatShutdown:
4070        {
4071            // We're already doing that...
4072
4073            handled = true;
4074            break;
4075        }
4076
4077        default:
4078            handled = BaseState::onMessageReceived(msg);
4079            break;
4080    }
4081
4082    return handled;
4083}
4084
4085void ACodec::ExecutingToIdleState::stateEntered() {
4086    ALOGV("[%s] Now Executing->Idle", mCodec->mComponentName.c_str());
4087
4088    mComponentNowIdle = false;
4089    mCodec->mSentFormat = false;
4090}
4091
4092bool ACodec::ExecutingToIdleState::onOMXEvent(
4093        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4094    switch (event) {
4095        case OMX_EventCmdComplete:
4096        {
4097            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4098            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
4099
4100            mComponentNowIdle = true;
4101
4102            changeStateIfWeOwnAllBuffers();
4103
4104            return true;
4105        }
4106
4107        case OMX_EventPortSettingsChanged:
4108        case OMX_EventBufferFlag:
4109        {
4110            // We're shutting down and don't care about this anymore.
4111            return true;
4112        }
4113
4114        default:
4115            return BaseState::onOMXEvent(event, data1, data2);
4116    }
4117}
4118
4119void ACodec::ExecutingToIdleState::changeStateIfWeOwnAllBuffers() {
4120    if (mComponentNowIdle && mCodec->allYourBuffersAreBelongToUs()) {
4121        CHECK_EQ(mCodec->mOMX->sendCommand(
4122                    mCodec->mNode, OMX_CommandStateSet, OMX_StateLoaded),
4123                 (status_t)OK);
4124
4125        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexInput), (status_t)OK);
4126        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexOutput), (status_t)OK);
4127
4128        if (mCodec->mFlags & kFlagIsSecure && mCodec->mNativeWindow != NULL) {
4129            // We push enough 1x1 blank buffers to ensure that one of
4130            // them has made it to the display.  This allows the OMX
4131            // component teardown to zero out any protected buffers
4132            // without the risk of scanning out one of those buffers.
4133            mCodec->pushBlankBuffersToNativeWindow();
4134        }
4135
4136        mCodec->changeState(mCodec->mIdleToLoadedState);
4137    }
4138}
4139
4140void ACodec::ExecutingToIdleState::onInputBufferFilled(
4141        const sp<AMessage> &msg) {
4142    BaseState::onInputBufferFilled(msg);
4143
4144    changeStateIfWeOwnAllBuffers();
4145}
4146
4147void ACodec::ExecutingToIdleState::onOutputBufferDrained(
4148        const sp<AMessage> &msg) {
4149    BaseState::onOutputBufferDrained(msg);
4150
4151    changeStateIfWeOwnAllBuffers();
4152}
4153
4154////////////////////////////////////////////////////////////////////////////////
4155
4156ACodec::IdleToLoadedState::IdleToLoadedState(ACodec *codec)
4157    : BaseState(codec) {
4158}
4159
4160bool ACodec::IdleToLoadedState::onMessageReceived(const sp<AMessage> &msg) {
4161    bool handled = false;
4162
4163    switch (msg->what()) {
4164        case kWhatShutdown:
4165        {
4166            // We're already doing that...
4167
4168            handled = true;
4169            break;
4170        }
4171
4172        case kWhatFlush:
4173        {
4174            // Don't send me a flush request if you previously wanted me
4175            // to shutdown.
4176            TRESPASS();
4177            break;
4178        }
4179
4180        default:
4181            handled = BaseState::onMessageReceived(msg);
4182            break;
4183    }
4184
4185    return handled;
4186}
4187
4188void ACodec::IdleToLoadedState::stateEntered() {
4189    ALOGV("[%s] Now Idle->Loaded", mCodec->mComponentName.c_str());
4190}
4191
4192bool ACodec::IdleToLoadedState::onOMXEvent(
4193        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4194    switch (event) {
4195        case OMX_EventCmdComplete:
4196        {
4197            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4198            CHECK_EQ(data2, (OMX_U32)OMX_StateLoaded);
4199
4200            mCodec->changeState(mCodec->mLoadedState);
4201
4202            return true;
4203        }
4204
4205        default:
4206            return BaseState::onOMXEvent(event, data1, data2);
4207    }
4208}
4209
4210////////////////////////////////////////////////////////////////////////////////
4211
4212ACodec::FlushingState::FlushingState(ACodec *codec)
4213    : BaseState(codec) {
4214}
4215
4216void ACodec::FlushingState::stateEntered() {
4217    ALOGV("[%s] Now Flushing", mCodec->mComponentName.c_str());
4218
4219    mFlushComplete[kPortIndexInput] = mFlushComplete[kPortIndexOutput] = false;
4220}
4221
4222bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
4223    bool handled = false;
4224
4225    switch (msg->what()) {
4226        case kWhatShutdown:
4227        {
4228            mCodec->deferMessage(msg);
4229            break;
4230        }
4231
4232        case kWhatFlush:
4233        {
4234            // We're already doing this right now.
4235            handled = true;
4236            break;
4237        }
4238
4239        default:
4240            handled = BaseState::onMessageReceived(msg);
4241            break;
4242    }
4243
4244    return handled;
4245}
4246
4247bool ACodec::FlushingState::onOMXEvent(
4248        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4249    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
4250            mCodec->mComponentName.c_str(), event, data1);
4251
4252    switch (event) {
4253        case OMX_EventCmdComplete:
4254        {
4255            CHECK_EQ(data1, (OMX_U32)OMX_CommandFlush);
4256
4257            if (data2 == kPortIndexInput || data2 == kPortIndexOutput) {
4258                CHECK(!mFlushComplete[data2]);
4259                mFlushComplete[data2] = true;
4260
4261                if (mFlushComplete[kPortIndexInput]
4262                        && mFlushComplete[kPortIndexOutput]) {
4263                    changeStateIfWeOwnAllBuffers();
4264                }
4265            } else {
4266                CHECK_EQ(data2, OMX_ALL);
4267                CHECK(mFlushComplete[kPortIndexInput]);
4268                CHECK(mFlushComplete[kPortIndexOutput]);
4269
4270                changeStateIfWeOwnAllBuffers();
4271            }
4272
4273            return true;
4274        }
4275
4276        case OMX_EventPortSettingsChanged:
4277        {
4278            sp<AMessage> msg = new AMessage(kWhatOMXMessage, mCodec->id());
4279            msg->setInt32("type", omx_message::EVENT);
4280            msg->setPointer("node", mCodec->mNode);
4281            msg->setInt32("event", event);
4282            msg->setInt32("data1", data1);
4283            msg->setInt32("data2", data2);
4284
4285            ALOGV("[%s] Deferring OMX_EventPortSettingsChanged",
4286                 mCodec->mComponentName.c_str());
4287
4288            mCodec->deferMessage(msg);
4289
4290            return true;
4291        }
4292
4293        default:
4294            return BaseState::onOMXEvent(event, data1, data2);
4295    }
4296
4297    return true;
4298}
4299
4300void ACodec::FlushingState::onOutputBufferDrained(const sp<AMessage> &msg) {
4301    BaseState::onOutputBufferDrained(msg);
4302
4303    changeStateIfWeOwnAllBuffers();
4304}
4305
4306void ACodec::FlushingState::onInputBufferFilled(const sp<AMessage> &msg) {
4307    BaseState::onInputBufferFilled(msg);
4308
4309    changeStateIfWeOwnAllBuffers();
4310}
4311
4312void ACodec::FlushingState::changeStateIfWeOwnAllBuffers() {
4313    if (mFlushComplete[kPortIndexInput]
4314            && mFlushComplete[kPortIndexOutput]
4315            && mCodec->allYourBuffersAreBelongToUs()) {
4316        // We now own all buffers except possibly those still queued with
4317        // the native window for rendering. Let's get those back as well.
4318        mCodec->waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs();
4319
4320        sp<AMessage> notify = mCodec->mNotify->dup();
4321        notify->setInt32("what", ACodec::kWhatFlushCompleted);
4322        notify->post();
4323
4324        mCodec->mPortEOS[kPortIndexInput] =
4325            mCodec->mPortEOS[kPortIndexOutput] = false;
4326
4327        mCodec->mInputEOSResult = OK;
4328
4329        if (mCodec->mSkipCutBuffer != NULL) {
4330            mCodec->mSkipCutBuffer->clear();
4331        }
4332
4333        mCodec->changeState(mCodec->mExecutingState);
4334    }
4335}
4336
4337}  // namespace android
4338