ACodec.cpp revision 2242fbd1d9327dff9c25ac2aba0fa7d5d471bb88 
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        if (info->mStatus !=
752                BufferInfo::OWNED_BY_COMPONENT) {
753            // We shouldn't have sent out any buffers to the client at this
754            // point.
755            CHECK_NE((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
756
757            CHECK_EQ((status_t)OK, freeBuffer(kPortIndexOutput, i));
758        }
759    }
760
761    return OK;
762}
763
764status_t ACodec::freeBuffer(OMX_U32 portIndex, size_t i) {
765    BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
766
767    CHECK(info->mStatus == BufferInfo::OWNED_BY_US
768            || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
769
770    if (portIndex == kPortIndexOutput && mNativeWindow != NULL
771            && info->mStatus == BufferInfo::OWNED_BY_US) {
772        CHECK_EQ((status_t)OK, cancelBufferToNativeWindow(info));
773    }
774
775    CHECK_EQ(mOMX->freeBuffer(
776                mNode, portIndex, info->mBufferID),
777             (status_t)OK);
778
779    mBuffers[portIndex].removeAt(i);
780
781    return OK;
782}
783
784ACodec::BufferInfo *ACodec::findBufferByID(
785        uint32_t portIndex, IOMX::buffer_id bufferID,
786        ssize_t *index) {
787    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
788        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
789
790        if (info->mBufferID == bufferID) {
791            if (index != NULL) {
792                *index = i;
793            }
794            return info;
795        }
796    }
797
798    TRESPASS();
799
800    return NULL;
801}
802
803status_t ACodec::setComponentRole(
804        bool isEncoder, const char *mime) {
805    struct MimeToRole {
806        const char *mime;
807        const char *decoderRole;
808        const char *encoderRole;
809    };
810
811    static const MimeToRole kMimeToRole[] = {
812        { MEDIA_MIMETYPE_AUDIO_MPEG,
813            "audio_decoder.mp3", "audio_encoder.mp3" },
814        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I,
815            "audio_decoder.mp1", "audio_encoder.mp1" },
816        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II,
817            "audio_decoder.mp2", "audio_encoder.mp2" },
818        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
819            "audio_decoder.amrnb", "audio_encoder.amrnb" },
820        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
821            "audio_decoder.amrwb", "audio_encoder.amrwb" },
822        { MEDIA_MIMETYPE_AUDIO_AAC,
823            "audio_decoder.aac", "audio_encoder.aac" },
824        { MEDIA_MIMETYPE_AUDIO_VORBIS,
825            "audio_decoder.vorbis", "audio_encoder.vorbis" },
826        { MEDIA_MIMETYPE_AUDIO_G711_MLAW,
827            "audio_decoder.g711mlaw", "audio_encoder.g711mlaw" },
828        { MEDIA_MIMETYPE_AUDIO_G711_ALAW,
829            "audio_decoder.g711alaw", "audio_encoder.g711alaw" },
830        { MEDIA_MIMETYPE_VIDEO_AVC,
831            "video_decoder.avc", "video_encoder.avc" },
832        { MEDIA_MIMETYPE_VIDEO_MPEG4,
833            "video_decoder.mpeg4", "video_encoder.mpeg4" },
834        { MEDIA_MIMETYPE_VIDEO_H263,
835            "video_decoder.h263", "video_encoder.h263" },
836        { MEDIA_MIMETYPE_VIDEO_VPX,
837            "video_decoder.vpx", "video_encoder.vpx" },
838        { MEDIA_MIMETYPE_AUDIO_RAW,
839            "audio_decoder.raw", "audio_encoder.raw" },
840        { MEDIA_MIMETYPE_AUDIO_FLAC,
841            "audio_decoder.flac", "audio_encoder.flac" },
842        { MEDIA_MIMETYPE_AUDIO_MSGSM,
843            "audio_decoder.gsm", "audio_encoder.gsm" },
844    };
845
846    static const size_t kNumMimeToRole =
847        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
848
849    size_t i;
850    for (i = 0; i < kNumMimeToRole; ++i) {
851        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
852            break;
853        }
854    }
855
856    if (i == kNumMimeToRole) {
857        return ERROR_UNSUPPORTED;
858    }
859
860    const char *role =
861        isEncoder ? kMimeToRole[i].encoderRole
862                  : kMimeToRole[i].decoderRole;
863
864    if (role != NULL) {
865        OMX_PARAM_COMPONENTROLETYPE roleParams;
866        InitOMXParams(&roleParams);
867
868        strncpy((char *)roleParams.cRole,
869                role, OMX_MAX_STRINGNAME_SIZE - 1);
870
871        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
872
873        status_t err = mOMX->setParameter(
874                mNode, OMX_IndexParamStandardComponentRole,
875                &roleParams, sizeof(roleParams));
876
877        if (err != OK) {
878            ALOGW("[%s] Failed to set standard component role '%s'.",
879                 mComponentName.c_str(), role);
880
881            return err;
882        }
883    }
884
885    return OK;
886}
887
888status_t ACodec::configureCodec(
889        const char *mime, const sp<AMessage> &msg) {
890    int32_t encoder;
891    if (!msg->findInt32("encoder", &encoder)) {
892        encoder = false;
893    }
894
895    mIsEncoder = encoder;
896
897    status_t err = setComponentRole(encoder /* isEncoder */, mime);
898
899    if (err != OK) {
900        return err;
901    }
902
903    int32_t bitRate = 0;
904    // FLAC encoder doesn't need a bitrate, other encoders do
905    if (encoder && strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)
906            && !msg->findInt32("bitrate", &bitRate)) {
907        return INVALID_OPERATION;
908    }
909
910    int32_t storeMeta;
911    if (encoder
912            && msg->findInt32("store-metadata-in-buffers", &storeMeta)
913            && storeMeta != 0) {
914        err = mOMX->storeMetaDataInBuffers(mNode, kPortIndexInput, OMX_TRUE);
915
916        if (err != OK) {
917            ALOGE("[%s] storeMetaDataInBuffers failed w/ err %d",
918                  mComponentName.c_str(), err);
919
920            return err;
921        }
922    }
923
924    int32_t prependSPSPPS;
925    if (encoder
926            && msg->findInt32("prepend-sps-pps-to-idr-frames", &prependSPSPPS)
927            && prependSPSPPS != 0) {
928        OMX_INDEXTYPE index;
929        err = mOMX->getExtensionIndex(
930                mNode,
931                "OMX.google.android.index.prependSPSPPSToIDRFrames",
932                &index);
933
934        if (err == OK) {
935            PrependSPSPPSToIDRFramesParams params;
936            InitOMXParams(&params);
937            params.bEnable = OMX_TRUE;
938
939            err = mOMX->setParameter(
940                    mNode, index, &params, sizeof(params));
941        }
942
943        if (err != OK) {
944            ALOGE("Encoder could not be configured to emit SPS/PPS before "
945                  "IDR frames. (err %d)", err);
946
947            return err;
948        }
949    }
950
951    if (!strncasecmp(mime, "video/", 6)) {
952        if (encoder) {
953            err = setupVideoEncoder(mime, msg);
954        } else {
955            int32_t width, height;
956            if (!msg->findInt32("width", &width)
957                    || !msg->findInt32("height", &height)) {
958                err = INVALID_OPERATION;
959            } else {
960                err = setupVideoDecoder(mime, width, height);
961            }
962        }
963    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) {
964        int32_t numChannels, sampleRate;
965        if (!msg->findInt32("channel-count", &numChannels)
966                || !msg->findInt32("sample-rate", &sampleRate)) {
967            // Since we did not always check for these, leave them optional
968            // and have the decoder figure it all out.
969            err = OK;
970        } else {
971            err = setupRawAudioFormat(
972                    encoder ? kPortIndexInput : kPortIndexOutput,
973                    sampleRate,
974                    numChannels);
975        }
976    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
977        int32_t numChannels, sampleRate;
978        if (!msg->findInt32("channel-count", &numChannels)
979                || !msg->findInt32("sample-rate", &sampleRate)) {
980            err = INVALID_OPERATION;
981        } else {
982            int32_t isADTS, aacProfile;
983            if (!msg->findInt32("is-adts", &isADTS)) {
984                isADTS = 0;
985            }
986            if (!msg->findInt32("aac-profile", &aacProfile)) {
987                aacProfile = OMX_AUDIO_AACObjectNull;
988            }
989
990            err = setupAACCodec(
991                    encoder, numChannels, sampleRate, bitRate, aacProfile,
992                    isADTS != 0);
993        }
994    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)) {
995        err = setupAMRCodec(encoder, false /* isWAMR */, bitRate);
996    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
997        err = setupAMRCodec(encoder, true /* isWAMR */, bitRate);
998    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_ALAW)
999            || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_MLAW)) {
1000        // These are PCM-like formats with a fixed sample rate but
1001        // a variable number of channels.
1002
1003        int32_t numChannels;
1004        if (!msg->findInt32("channel-count", &numChannels)) {
1005            err = INVALID_OPERATION;
1006        } else {
1007            err = setupG711Codec(encoder, numChannels);
1008        }
1009    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)) {
1010        int32_t numChannels, sampleRate, compressionLevel = -1;
1011        if (encoder &&
1012                (!msg->findInt32("channel-count", &numChannels)
1013                        || !msg->findInt32("sample-rate", &sampleRate))) {
1014            ALOGE("missing channel count or sample rate for FLAC encoder");
1015            err = INVALID_OPERATION;
1016        } else {
1017            if (encoder) {
1018                if (!msg->findInt32(
1019                            "flac-compression-level", &compressionLevel)) {
1020                    compressionLevel = 5;// default FLAC compression level
1021                } else if (compressionLevel < 0) {
1022                    ALOGW("compression level %d outside [0..8] range, "
1023                          "using 0",
1024                          compressionLevel);
1025                    compressionLevel = 0;
1026                } else if (compressionLevel > 8) {
1027                    ALOGW("compression level %d outside [0..8] range, "
1028                          "using 8",
1029                          compressionLevel);
1030                    compressionLevel = 8;
1031                }
1032            }
1033            err = setupFlacCodec(
1034                    encoder, numChannels, sampleRate, compressionLevel);
1035        }
1036    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
1037        int32_t numChannels, sampleRate;
1038        if (encoder
1039                || !msg->findInt32("channel-count", &numChannels)
1040                || !msg->findInt32("sample-rate", &sampleRate)) {
1041            err = INVALID_OPERATION;
1042        } else {
1043            err = setupRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1044        }
1045    }
1046
1047    if (err != OK) {
1048        return err;
1049    }
1050
1051    if (!msg->findInt32("encoder-delay", &mEncoderDelay)) {
1052        mEncoderDelay = 0;
1053    }
1054
1055    if (!msg->findInt32("encoder-padding", &mEncoderPadding)) {
1056        mEncoderPadding = 0;
1057    }
1058
1059    if (msg->findInt32("channel-mask", &mChannelMask)) {
1060        mChannelMaskPresent = true;
1061    } else {
1062        mChannelMaskPresent = false;
1063    }
1064
1065    int32_t maxInputSize;
1066    if (msg->findInt32("max-input-size", &maxInputSize)) {
1067        err = setMinBufferSize(kPortIndexInput, (size_t)maxInputSize);
1068    } else if (!strcmp("OMX.Nvidia.aac.decoder", mComponentName.c_str())) {
1069        err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
1070    }
1071
1072    return err;
1073}
1074
1075status_t ACodec::setMinBufferSize(OMX_U32 portIndex, size_t size) {
1076    OMX_PARAM_PORTDEFINITIONTYPE def;
1077    InitOMXParams(&def);
1078    def.nPortIndex = portIndex;
1079
1080    status_t err = mOMX->getParameter(
1081            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1082
1083    if (err != OK) {
1084        return err;
1085    }
1086
1087    if (def.nBufferSize >= size) {
1088        return OK;
1089    }
1090
1091    def.nBufferSize = size;
1092
1093    err = mOMX->setParameter(
1094            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1095
1096    if (err != OK) {
1097        return err;
1098    }
1099
1100    err = mOMX->getParameter(
1101            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1102
1103    if (err != OK) {
1104        return err;
1105    }
1106
1107    CHECK(def.nBufferSize >= size);
1108
1109    return OK;
1110}
1111
1112status_t ACodec::selectAudioPortFormat(
1113        OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat) {
1114    OMX_AUDIO_PARAM_PORTFORMATTYPE format;
1115    InitOMXParams(&format);
1116
1117    format.nPortIndex = portIndex;
1118    for (OMX_U32 index = 0;; ++index) {
1119        format.nIndex = index;
1120
1121        status_t err = mOMX->getParameter(
1122                mNode, OMX_IndexParamAudioPortFormat,
1123                &format, sizeof(format));
1124
1125        if (err != OK) {
1126            return err;
1127        }
1128
1129        if (format.eEncoding == desiredFormat) {
1130            break;
1131        }
1132    }
1133
1134    return mOMX->setParameter(
1135            mNode, OMX_IndexParamAudioPortFormat, &format, sizeof(format));
1136}
1137
1138status_t ACodec::setupAACCodec(
1139        bool encoder, int32_t numChannels, int32_t sampleRate,
1140        int32_t bitRate, int32_t aacProfile, bool isADTS) {
1141    if (encoder && isADTS) {
1142        return -EINVAL;
1143    }
1144
1145    status_t err = setupRawAudioFormat(
1146            encoder ? kPortIndexInput : kPortIndexOutput,
1147            sampleRate,
1148            numChannels);
1149
1150    if (err != OK) {
1151        return err;
1152    }
1153
1154    if (encoder) {
1155        err = selectAudioPortFormat(kPortIndexOutput, OMX_AUDIO_CodingAAC);
1156
1157        if (err != OK) {
1158            return err;
1159        }
1160
1161        OMX_PARAM_PORTDEFINITIONTYPE def;
1162        InitOMXParams(&def);
1163        def.nPortIndex = kPortIndexOutput;
1164
1165        err = mOMX->getParameter(
1166                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1167
1168        if (err != OK) {
1169            return err;
1170        }
1171
1172        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
1173        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
1174
1175        err = mOMX->setParameter(
1176                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1177
1178        if (err != OK) {
1179            return err;
1180        }
1181
1182        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1183        InitOMXParams(&profile);
1184        profile.nPortIndex = kPortIndexOutput;
1185
1186        err = mOMX->getParameter(
1187                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1188
1189        if (err != OK) {
1190            return err;
1191        }
1192
1193        profile.nChannels = numChannels;
1194
1195        profile.eChannelMode =
1196            (numChannels == 1)
1197                ? OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo;
1198
1199        profile.nSampleRate = sampleRate;
1200        profile.nBitRate = bitRate;
1201        profile.nAudioBandWidth = 0;
1202        profile.nFrameLength = 0;
1203        profile.nAACtools = OMX_AUDIO_AACToolAll;
1204        profile.nAACERtools = OMX_AUDIO_AACERNone;
1205        profile.eAACProfile = (OMX_AUDIO_AACPROFILETYPE) aacProfile;
1206        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
1207
1208        err = mOMX->setParameter(
1209                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1210
1211        if (err != OK) {
1212            return err;
1213        }
1214
1215        return err;
1216    }
1217
1218    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1219    InitOMXParams(&profile);
1220    profile.nPortIndex = kPortIndexInput;
1221
1222    err = mOMX->getParameter(
1223            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1224
1225    if (err != OK) {
1226        return err;
1227    }
1228
1229    profile.nChannels = numChannels;
1230    profile.nSampleRate = sampleRate;
1231
1232    profile.eAACStreamFormat =
1233        isADTS
1234            ? OMX_AUDIO_AACStreamFormatMP4ADTS
1235            : OMX_AUDIO_AACStreamFormatMP4FF;
1236
1237    return mOMX->setParameter(
1238            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1239}
1240
1241static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(
1242        bool isAMRWB, int32_t bps) {
1243    if (isAMRWB) {
1244        if (bps <= 6600) {
1245            return OMX_AUDIO_AMRBandModeWB0;
1246        } else if (bps <= 8850) {
1247            return OMX_AUDIO_AMRBandModeWB1;
1248        } else if (bps <= 12650) {
1249            return OMX_AUDIO_AMRBandModeWB2;
1250        } else if (bps <= 14250) {
1251            return OMX_AUDIO_AMRBandModeWB3;
1252        } else if (bps <= 15850) {
1253            return OMX_AUDIO_AMRBandModeWB4;
1254        } else if (bps <= 18250) {
1255            return OMX_AUDIO_AMRBandModeWB5;
1256        } else if (bps <= 19850) {
1257            return OMX_AUDIO_AMRBandModeWB6;
1258        } else if (bps <= 23050) {
1259            return OMX_AUDIO_AMRBandModeWB7;
1260        }
1261
1262        // 23850 bps
1263        return OMX_AUDIO_AMRBandModeWB8;
1264    } else {  // AMRNB
1265        if (bps <= 4750) {
1266            return OMX_AUDIO_AMRBandModeNB0;
1267        } else if (bps <= 5150) {
1268            return OMX_AUDIO_AMRBandModeNB1;
1269        } else if (bps <= 5900) {
1270            return OMX_AUDIO_AMRBandModeNB2;
1271        } else if (bps <= 6700) {
1272            return OMX_AUDIO_AMRBandModeNB3;
1273        } else if (bps <= 7400) {
1274            return OMX_AUDIO_AMRBandModeNB4;
1275        } else if (bps <= 7950) {
1276            return OMX_AUDIO_AMRBandModeNB5;
1277        } else if (bps <= 10200) {
1278            return OMX_AUDIO_AMRBandModeNB6;
1279        }
1280
1281        // 12200 bps
1282        return OMX_AUDIO_AMRBandModeNB7;
1283    }
1284}
1285
1286status_t ACodec::setupAMRCodec(bool encoder, bool isWAMR, int32_t bitrate) {
1287    OMX_AUDIO_PARAM_AMRTYPE def;
1288    InitOMXParams(&def);
1289    def.nPortIndex = encoder ? kPortIndexOutput : kPortIndexInput;
1290
1291    status_t err =
1292        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1293
1294    if (err != OK) {
1295        return err;
1296    }
1297
1298    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1299    def.eAMRBandMode = pickModeFromBitRate(isWAMR, bitrate);
1300
1301    err = mOMX->setParameter(
1302            mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1303
1304    if (err != OK) {
1305        return err;
1306    }
1307
1308    return setupRawAudioFormat(
1309            encoder ? kPortIndexInput : kPortIndexOutput,
1310            isWAMR ? 16000 : 8000 /* sampleRate */,
1311            1 /* numChannels */);
1312}
1313
1314status_t ACodec::setupG711Codec(bool encoder, int32_t numChannels) {
1315    CHECK(!encoder);  // XXX TODO
1316
1317    return setupRawAudioFormat(
1318            kPortIndexInput, 8000 /* sampleRate */, numChannels);
1319}
1320
1321status_t ACodec::setupFlacCodec(
1322        bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel) {
1323
1324    if (encoder) {
1325        OMX_AUDIO_PARAM_FLACTYPE def;
1326        InitOMXParams(&def);
1327        def.nPortIndex = kPortIndexOutput;
1328
1329        // configure compression level
1330        status_t err = mOMX->getParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1331        if (err != OK) {
1332            ALOGE("setupFlacCodec(): Error %d getting OMX_IndexParamAudioFlac parameter", err);
1333            return err;
1334        }
1335        def.nCompressionLevel = compressionLevel;
1336        err = mOMX->setParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1337        if (err != OK) {
1338            ALOGE("setupFlacCodec(): Error %d setting OMX_IndexParamAudioFlac parameter", err);
1339            return err;
1340        }
1341    }
1342
1343    return setupRawAudioFormat(
1344            encoder ? kPortIndexInput : kPortIndexOutput,
1345            sampleRate,
1346            numChannels);
1347}
1348
1349status_t ACodec::setupRawAudioFormat(
1350        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1351    OMX_PARAM_PORTDEFINITIONTYPE def;
1352    InitOMXParams(&def);
1353    def.nPortIndex = portIndex;
1354
1355    status_t err = mOMX->getParameter(
1356            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1357
1358    if (err != OK) {
1359        return err;
1360    }
1361
1362    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
1363
1364    err = mOMX->setParameter(
1365            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1366
1367    if (err != OK) {
1368        return err;
1369    }
1370
1371    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1372    InitOMXParams(&pcmParams);
1373    pcmParams.nPortIndex = portIndex;
1374
1375    err = mOMX->getParameter(
1376            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1377
1378    if (err != OK) {
1379        return err;
1380    }
1381
1382    pcmParams.nChannels = numChannels;
1383    pcmParams.eNumData = OMX_NumericalDataSigned;
1384    pcmParams.bInterleaved = OMX_TRUE;
1385    pcmParams.nBitPerSample = 16;
1386    pcmParams.nSamplingRate = sampleRate;
1387    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1388
1389    if (getOMXChannelMapping(numChannels, pcmParams.eChannelMapping) != OK) {
1390        return OMX_ErrorNone;
1391    }
1392
1393    return mOMX->setParameter(
1394            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1395}
1396
1397status_t ACodec::setVideoPortFormatType(
1398        OMX_U32 portIndex,
1399        OMX_VIDEO_CODINGTYPE compressionFormat,
1400        OMX_COLOR_FORMATTYPE colorFormat) {
1401    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1402    InitOMXParams(&format);
1403    format.nPortIndex = portIndex;
1404    format.nIndex = 0;
1405    bool found = false;
1406
1407    OMX_U32 index = 0;
1408    for (;;) {
1409        format.nIndex = index;
1410        status_t err = mOMX->getParameter(
1411                mNode, OMX_IndexParamVideoPortFormat,
1412                &format, sizeof(format));
1413
1414        if (err != OK) {
1415            return err;
1416        }
1417
1418        // The following assertion is violated by TI's video decoder.
1419        // CHECK_EQ(format.nIndex, index);
1420
1421        if (!strcmp("OMX.TI.Video.encoder", mComponentName.c_str())) {
1422            if (portIndex == kPortIndexInput
1423                    && colorFormat == format.eColorFormat) {
1424                // eCompressionFormat does not seem right.
1425                found = true;
1426                break;
1427            }
1428            if (portIndex == kPortIndexOutput
1429                    && compressionFormat == format.eCompressionFormat) {
1430                // eColorFormat does not seem right.
1431                found = true;
1432                break;
1433            }
1434        }
1435
1436        if (format.eCompressionFormat == compressionFormat
1437            && format.eColorFormat == colorFormat) {
1438            found = true;
1439            break;
1440        }
1441
1442        ++index;
1443    }
1444
1445    if (!found) {
1446        return UNKNOWN_ERROR;
1447    }
1448
1449    status_t err = mOMX->setParameter(
1450            mNode, OMX_IndexParamVideoPortFormat,
1451            &format, sizeof(format));
1452
1453    return err;
1454}
1455
1456status_t ACodec::setSupportedOutputFormat() {
1457    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1458    InitOMXParams(&format);
1459    format.nPortIndex = kPortIndexOutput;
1460    format.nIndex = 0;
1461
1462    status_t err = mOMX->getParameter(
1463            mNode, OMX_IndexParamVideoPortFormat,
1464            &format, sizeof(format));
1465    CHECK_EQ(err, (status_t)OK);
1466    CHECK_EQ((int)format.eCompressionFormat, (int)OMX_VIDEO_CodingUnused);
1467
1468    return mOMX->setParameter(
1469            mNode, OMX_IndexParamVideoPortFormat,
1470            &format, sizeof(format));
1471}
1472
1473static status_t GetVideoCodingTypeFromMime(
1474        const char *mime, OMX_VIDEO_CODINGTYPE *codingType) {
1475    if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
1476        *codingType = OMX_VIDEO_CodingAVC;
1477    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG4, mime)) {
1478        *codingType = OMX_VIDEO_CodingMPEG4;
1479    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_H263, mime)) {
1480        *codingType = OMX_VIDEO_CodingH263;
1481    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_MPEG2, mime)) {
1482        *codingType = OMX_VIDEO_CodingMPEG2;
1483    } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_VPX, mime)) {
1484        *codingType = OMX_VIDEO_CodingVPX;
1485    } else {
1486        *codingType = OMX_VIDEO_CodingUnused;
1487        return ERROR_UNSUPPORTED;
1488    }
1489
1490    return OK;
1491}
1492
1493status_t ACodec::setupVideoDecoder(
1494        const char *mime, int32_t width, int32_t height) {
1495    OMX_VIDEO_CODINGTYPE compressionFormat;
1496    status_t err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1497
1498    if (err != OK) {
1499        return err;
1500    }
1501
1502    err = setVideoPortFormatType(
1503            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
1504
1505    if (err != OK) {
1506        return err;
1507    }
1508
1509    err = setSupportedOutputFormat();
1510
1511    if (err != OK) {
1512        return err;
1513    }
1514
1515    err = setVideoFormatOnPort(
1516            kPortIndexInput, width, height, compressionFormat);
1517
1518    if (err != OK) {
1519        return err;
1520    }
1521
1522    err = setVideoFormatOnPort(
1523            kPortIndexOutput, width, height, OMX_VIDEO_CodingUnused);
1524
1525    if (err != OK) {
1526        return err;
1527    }
1528
1529    return OK;
1530}
1531
1532status_t ACodec::setupVideoEncoder(const char *mime, const sp<AMessage> &msg) {
1533    int32_t tmp;
1534    if (!msg->findInt32("color-format", &tmp)) {
1535        return INVALID_OPERATION;
1536    }
1537
1538    OMX_COLOR_FORMATTYPE colorFormat =
1539        static_cast<OMX_COLOR_FORMATTYPE>(tmp);
1540
1541    status_t err = setVideoPortFormatType(
1542            kPortIndexInput, OMX_VIDEO_CodingUnused, colorFormat);
1543
1544    if (err != OK) {
1545        ALOGE("[%s] does not support color format %d",
1546              mComponentName.c_str(), colorFormat);
1547
1548        return err;
1549    }
1550
1551    /* Input port configuration */
1552
1553    OMX_PARAM_PORTDEFINITIONTYPE def;
1554    InitOMXParams(&def);
1555
1556    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1557
1558    def.nPortIndex = kPortIndexInput;
1559
1560    err = mOMX->getParameter(
1561            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1562
1563    if (err != OK) {
1564        return err;
1565    }
1566
1567    int32_t width, height, bitrate;
1568    if (!msg->findInt32("width", &width)
1569            || !msg->findInt32("height", &height)
1570            || !msg->findInt32("bitrate", &bitrate)) {
1571        return INVALID_OPERATION;
1572    }
1573
1574    video_def->nFrameWidth = width;
1575    video_def->nFrameHeight = height;
1576
1577    int32_t stride;
1578    if (!msg->findInt32("stride", &stride)) {
1579        stride = width;
1580    }
1581
1582    video_def->nStride = stride;
1583
1584    int32_t sliceHeight;
1585    if (!msg->findInt32("slice-height", &sliceHeight)) {
1586        sliceHeight = height;
1587    }
1588
1589    video_def->nSliceHeight = sliceHeight;
1590
1591    def.nBufferSize = (video_def->nStride * video_def->nSliceHeight * 3) / 2;
1592
1593    float frameRate;
1594    if (!msg->findFloat("frame-rate", &frameRate)) {
1595        int32_t tmp;
1596        if (!msg->findInt32("frame-rate", &tmp)) {
1597            return INVALID_OPERATION;
1598        }
1599        frameRate = (float)tmp;
1600    }
1601
1602    video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
1603    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
1604    video_def->eColorFormat = colorFormat;
1605
1606    err = mOMX->setParameter(
1607            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1608
1609    if (err != OK) {
1610        ALOGE("[%s] failed to set input port definition parameters.",
1611              mComponentName.c_str());
1612
1613        return err;
1614    }
1615
1616    /* Output port configuration */
1617
1618    OMX_VIDEO_CODINGTYPE compressionFormat;
1619    err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1620
1621    if (err != OK) {
1622        return err;
1623    }
1624
1625    err = setVideoPortFormatType(
1626            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
1627
1628    if (err != OK) {
1629        ALOGE("[%s] does not support compression format %d",
1630             mComponentName.c_str(), compressionFormat);
1631
1632        return err;
1633    }
1634
1635    def.nPortIndex = kPortIndexOutput;
1636
1637    err = mOMX->getParameter(
1638            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1639
1640    if (err != OK) {
1641        return err;
1642    }
1643
1644    video_def->nFrameWidth = width;
1645    video_def->nFrameHeight = height;
1646    video_def->xFramerate = 0;
1647    video_def->nBitrate = bitrate;
1648    video_def->eCompressionFormat = compressionFormat;
1649    video_def->eColorFormat = OMX_COLOR_FormatUnused;
1650
1651    err = mOMX->setParameter(
1652            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1653
1654    if (err != OK) {
1655        ALOGE("[%s] failed to set output port definition parameters.",
1656              mComponentName.c_str());
1657
1658        return err;
1659    }
1660
1661    switch (compressionFormat) {
1662        case OMX_VIDEO_CodingMPEG4:
1663            err = setupMPEG4EncoderParameters(msg);
1664            break;
1665
1666        case OMX_VIDEO_CodingH263:
1667            err = setupH263EncoderParameters(msg);
1668            break;
1669
1670        case OMX_VIDEO_CodingAVC:
1671            err = setupAVCEncoderParameters(msg);
1672            break;
1673
1674        default:
1675            break;
1676    }
1677
1678    ALOGI("setupVideoEncoder succeeded");
1679
1680    return err;
1681}
1682
1683status_t ACodec::setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode) {
1684    OMX_VIDEO_PARAM_INTRAREFRESHTYPE params;
1685    InitOMXParams(&params);
1686    params.nPortIndex = kPortIndexOutput;
1687
1688    params.eRefreshMode = static_cast<OMX_VIDEO_INTRAREFRESHTYPE>(mode);
1689
1690    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshCyclic ||
1691            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
1692        int32_t mbs;
1693        if (!msg->findInt32("intra-refresh-CIR-mbs", &mbs)) {
1694            return INVALID_OPERATION;
1695        }
1696        params.nCirMBs = mbs;
1697    }
1698
1699    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshAdaptive ||
1700            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
1701        int32_t mbs;
1702        if (!msg->findInt32("intra-refresh-AIR-mbs", &mbs)) {
1703            return INVALID_OPERATION;
1704        }
1705        params.nAirMBs = mbs;
1706
1707        int32_t ref;
1708        if (!msg->findInt32("intra-refresh-AIR-ref", &ref)) {
1709            return INVALID_OPERATION;
1710        }
1711        params.nAirRef = ref;
1712    }
1713
1714    status_t err = mOMX->setParameter(
1715            mNode, OMX_IndexParamVideoIntraRefresh,
1716            &params, sizeof(params));
1717    return err;
1718}
1719
1720static OMX_U32 setPFramesSpacing(int32_t iFramesInterval, int32_t frameRate) {
1721    if (iFramesInterval < 0) {
1722        return 0xFFFFFFFF;
1723    } else if (iFramesInterval == 0) {
1724        return 0;
1725    }
1726    OMX_U32 ret = frameRate * iFramesInterval;
1727    CHECK(ret > 1);
1728    return ret;
1729}
1730
1731static OMX_VIDEO_CONTROLRATETYPE getBitrateMode(const sp<AMessage> &msg) {
1732    int32_t tmp;
1733    if (!msg->findInt32("bitrate-mode", &tmp)) {
1734        return OMX_Video_ControlRateVariable;
1735    }
1736
1737    return static_cast<OMX_VIDEO_CONTROLRATETYPE>(tmp);
1738}
1739
1740status_t ACodec::setupMPEG4EncoderParameters(const sp<AMessage> &msg) {
1741    int32_t bitrate, iFrameInterval;
1742    if (!msg->findInt32("bitrate", &bitrate)
1743            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1744        return INVALID_OPERATION;
1745    }
1746
1747    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1748
1749    float frameRate;
1750    if (!msg->findFloat("frame-rate", &frameRate)) {
1751        int32_t tmp;
1752        if (!msg->findInt32("frame-rate", &tmp)) {
1753            return INVALID_OPERATION;
1754        }
1755        frameRate = (float)tmp;
1756    }
1757
1758    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
1759    InitOMXParams(&mpeg4type);
1760    mpeg4type.nPortIndex = kPortIndexOutput;
1761
1762    status_t err = mOMX->getParameter(
1763            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1764
1765    if (err != OK) {
1766        return err;
1767    }
1768
1769    mpeg4type.nSliceHeaderSpacing = 0;
1770    mpeg4type.bSVH = OMX_FALSE;
1771    mpeg4type.bGov = OMX_FALSE;
1772
1773    mpeg4type.nAllowedPictureTypes =
1774        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1775
1776    mpeg4type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1777    if (mpeg4type.nPFrames == 0) {
1778        mpeg4type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1779    }
1780    mpeg4type.nBFrames = 0;
1781    mpeg4type.nIDCVLCThreshold = 0;
1782    mpeg4type.bACPred = OMX_TRUE;
1783    mpeg4type.nMaxPacketSize = 256;
1784    mpeg4type.nTimeIncRes = 1000;
1785    mpeg4type.nHeaderExtension = 0;
1786    mpeg4type.bReversibleVLC = OMX_FALSE;
1787
1788    int32_t profile;
1789    if (msg->findInt32("profile", &profile)) {
1790        int32_t level;
1791        if (!msg->findInt32("level", &level)) {
1792            return INVALID_OPERATION;
1793        }
1794
1795        err = verifySupportForProfileAndLevel(profile, level);
1796
1797        if (err != OK) {
1798            return err;
1799        }
1800
1801        mpeg4type.eProfile = static_cast<OMX_VIDEO_MPEG4PROFILETYPE>(profile);
1802        mpeg4type.eLevel = static_cast<OMX_VIDEO_MPEG4LEVELTYPE>(level);
1803    }
1804
1805    err = mOMX->setParameter(
1806            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1807
1808    if (err != OK) {
1809        return err;
1810    }
1811
1812    err = configureBitrate(bitrate, bitrateMode);
1813
1814    if (err != OK) {
1815        return err;
1816    }
1817
1818    return setupErrorCorrectionParameters();
1819}
1820
1821status_t ACodec::setupH263EncoderParameters(const sp<AMessage> &msg) {
1822    int32_t bitrate, iFrameInterval;
1823    if (!msg->findInt32("bitrate", &bitrate)
1824            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1825        return INVALID_OPERATION;
1826    }
1827
1828    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1829
1830    float frameRate;
1831    if (!msg->findFloat("frame-rate", &frameRate)) {
1832        int32_t tmp;
1833        if (!msg->findInt32("frame-rate", &tmp)) {
1834            return INVALID_OPERATION;
1835        }
1836        frameRate = (float)tmp;
1837    }
1838
1839    OMX_VIDEO_PARAM_H263TYPE h263type;
1840    InitOMXParams(&h263type);
1841    h263type.nPortIndex = kPortIndexOutput;
1842
1843    status_t err = mOMX->getParameter(
1844            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1845
1846    if (err != OK) {
1847        return err;
1848    }
1849
1850    h263type.nAllowedPictureTypes =
1851        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1852
1853    h263type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1854    if (h263type.nPFrames == 0) {
1855        h263type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1856    }
1857    h263type.nBFrames = 0;
1858
1859    int32_t profile;
1860    if (msg->findInt32("profile", &profile)) {
1861        int32_t level;
1862        if (!msg->findInt32("level", &level)) {
1863            return INVALID_OPERATION;
1864        }
1865
1866        err = verifySupportForProfileAndLevel(profile, level);
1867
1868        if (err != OK) {
1869            return err;
1870        }
1871
1872        h263type.eProfile = static_cast<OMX_VIDEO_H263PROFILETYPE>(profile);
1873        h263type.eLevel = static_cast<OMX_VIDEO_H263LEVELTYPE>(level);
1874    }
1875
1876    h263type.bPLUSPTYPEAllowed = OMX_FALSE;
1877    h263type.bForceRoundingTypeToZero = OMX_FALSE;
1878    h263type.nPictureHeaderRepetition = 0;
1879    h263type.nGOBHeaderInterval = 0;
1880
1881    err = mOMX->setParameter(
1882            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1883
1884    if (err != OK) {
1885        return err;
1886    }
1887
1888    err = configureBitrate(bitrate, bitrateMode);
1889
1890    if (err != OK) {
1891        return err;
1892    }
1893
1894    return setupErrorCorrectionParameters();
1895}
1896
1897status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
1898    int32_t bitrate, iFrameInterval;
1899    if (!msg->findInt32("bitrate", &bitrate)
1900            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1901        return INVALID_OPERATION;
1902    }
1903
1904    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1905
1906    float frameRate;
1907    if (!msg->findFloat("frame-rate", &frameRate)) {
1908        int32_t tmp;
1909        if (!msg->findInt32("frame-rate", &tmp)) {
1910            return INVALID_OPERATION;
1911        }
1912        frameRate = (float)tmp;
1913    }
1914
1915    status_t err = OK;
1916    int32_t intraRefreshMode = 0;
1917    if (msg->findInt32("intra-refresh-mode", &intraRefreshMode)) {
1918        err = setCyclicIntraMacroblockRefresh(msg, intraRefreshMode);
1919        if (err != OK) {
1920            ALOGE("Setting intra macroblock refresh mode (%d) failed: 0x%x",
1921                    err, intraRefreshMode);
1922            return err;
1923        }
1924    }
1925
1926    OMX_VIDEO_PARAM_AVCTYPE h264type;
1927    InitOMXParams(&h264type);
1928    h264type.nPortIndex = kPortIndexOutput;
1929
1930    err = mOMX->getParameter(
1931            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1932
1933    if (err != OK) {
1934        return err;
1935    }
1936
1937    h264type.nAllowedPictureTypes =
1938        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1939
1940    int32_t profile;
1941    if (msg->findInt32("profile", &profile)) {
1942        int32_t level;
1943        if (!msg->findInt32("level", &level)) {
1944            return INVALID_OPERATION;
1945        }
1946
1947        err = verifySupportForProfileAndLevel(profile, level);
1948
1949        if (err != OK) {
1950            return err;
1951        }
1952
1953        h264type.eProfile = static_cast<OMX_VIDEO_AVCPROFILETYPE>(profile);
1954        h264type.eLevel = static_cast<OMX_VIDEO_AVCLEVELTYPE>(level);
1955    }
1956
1957    // XXX
1958    if (h264type.eProfile != OMX_VIDEO_AVCProfileBaseline) {
1959        ALOGW("Use baseline profile instead of %d for AVC recording",
1960            h264type.eProfile);
1961        h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
1962    }
1963
1964    if (h264type.eProfile == OMX_VIDEO_AVCProfileBaseline) {
1965        h264type.nSliceHeaderSpacing = 0;
1966        h264type.bUseHadamard = OMX_TRUE;
1967        h264type.nRefFrames = 1;
1968        h264type.nBFrames = 0;
1969        h264type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1970        if (h264type.nPFrames == 0) {
1971            h264type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1972        }
1973        h264type.nRefIdx10ActiveMinus1 = 0;
1974        h264type.nRefIdx11ActiveMinus1 = 0;
1975        h264type.bEntropyCodingCABAC = OMX_FALSE;
1976        h264type.bWeightedPPrediction = OMX_FALSE;
1977        h264type.bconstIpred = OMX_FALSE;
1978        h264type.bDirect8x8Inference = OMX_FALSE;
1979        h264type.bDirectSpatialTemporal = OMX_FALSE;
1980        h264type.nCabacInitIdc = 0;
1981    }
1982
1983    if (h264type.nBFrames != 0) {
1984        h264type.nAllowedPictureTypes |= OMX_VIDEO_PictureTypeB;
1985    }
1986
1987    h264type.bEnableUEP = OMX_FALSE;
1988    h264type.bEnableFMO = OMX_FALSE;
1989    h264type.bEnableASO = OMX_FALSE;
1990    h264type.bEnableRS = OMX_FALSE;
1991    h264type.bFrameMBsOnly = OMX_TRUE;
1992    h264type.bMBAFF = OMX_FALSE;
1993    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
1994
1995    err = mOMX->setParameter(
1996            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1997
1998    if (err != OK) {
1999        return err;
2000    }
2001
2002    return configureBitrate(bitrate, bitrateMode);
2003}
2004
2005status_t ACodec::verifySupportForProfileAndLevel(
2006        int32_t profile, int32_t level) {
2007    OMX_VIDEO_PARAM_PROFILELEVELTYPE params;
2008    InitOMXParams(&params);
2009    params.nPortIndex = kPortIndexOutput;
2010
2011    for (params.nProfileIndex = 0;; ++params.nProfileIndex) {
2012        status_t err = mOMX->getParameter(
2013                mNode,
2014                OMX_IndexParamVideoProfileLevelQuerySupported,
2015                &params,
2016                sizeof(params));
2017
2018        if (err != OK) {
2019            return err;
2020        }
2021
2022        int32_t supportedProfile = static_cast<int32_t>(params.eProfile);
2023        int32_t supportedLevel = static_cast<int32_t>(params.eLevel);
2024
2025        if (profile == supportedProfile && level <= supportedLevel) {
2026            return OK;
2027        }
2028    }
2029}
2030
2031status_t ACodec::configureBitrate(
2032        int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode) {
2033    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
2034    InitOMXParams(&bitrateType);
2035    bitrateType.nPortIndex = kPortIndexOutput;
2036
2037    status_t err = mOMX->getParameter(
2038            mNode, OMX_IndexParamVideoBitrate,
2039            &bitrateType, sizeof(bitrateType));
2040
2041    if (err != OK) {
2042        return err;
2043    }
2044
2045    bitrateType.eControlRate = bitrateMode;
2046    bitrateType.nTargetBitrate = bitrate;
2047
2048    return mOMX->setParameter(
2049            mNode, OMX_IndexParamVideoBitrate,
2050            &bitrateType, sizeof(bitrateType));
2051}
2052
2053status_t ACodec::setupErrorCorrectionParameters() {
2054    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
2055    InitOMXParams(&errorCorrectionType);
2056    errorCorrectionType.nPortIndex = kPortIndexOutput;
2057
2058    status_t err = mOMX->getParameter(
2059            mNode, OMX_IndexParamVideoErrorCorrection,
2060            &errorCorrectionType, sizeof(errorCorrectionType));
2061
2062    if (err != OK) {
2063        return OK;  // Optional feature. Ignore this failure
2064    }
2065
2066    errorCorrectionType.bEnableHEC = OMX_FALSE;
2067    errorCorrectionType.bEnableResync = OMX_TRUE;
2068    errorCorrectionType.nResynchMarkerSpacing = 256;
2069    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
2070    errorCorrectionType.bEnableRVLC = OMX_FALSE;
2071
2072    return mOMX->setParameter(
2073            mNode, OMX_IndexParamVideoErrorCorrection,
2074            &errorCorrectionType, sizeof(errorCorrectionType));
2075}
2076
2077status_t ACodec::setVideoFormatOnPort(
2078        OMX_U32 portIndex,
2079        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
2080    OMX_PARAM_PORTDEFINITIONTYPE def;
2081    InitOMXParams(&def);
2082    def.nPortIndex = portIndex;
2083
2084    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2085
2086    status_t err = mOMX->getParameter(
2087            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2088
2089    CHECK_EQ(err, (status_t)OK);
2090
2091    if (portIndex == kPortIndexInput) {
2092        // XXX Need a (much) better heuristic to compute input buffer sizes.
2093        const size_t X = 64 * 1024;
2094        if (def.nBufferSize < X) {
2095            def.nBufferSize = X;
2096        }
2097    }
2098
2099    CHECK_EQ((int)def.eDomain, (int)OMX_PortDomainVideo);
2100
2101    video_def->nFrameWidth = width;
2102    video_def->nFrameHeight = height;
2103
2104    if (portIndex == kPortIndexInput) {
2105        video_def->eCompressionFormat = compressionFormat;
2106        video_def->eColorFormat = OMX_COLOR_FormatUnused;
2107    }
2108
2109    err = mOMX->setParameter(
2110            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2111
2112    return err;
2113}
2114
2115status_t ACodec::initNativeWindow() {
2116    if (mNativeWindow != NULL) {
2117        return mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_TRUE);
2118    }
2119
2120    mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_FALSE);
2121    return OK;
2122}
2123
2124size_t ACodec::countBuffersOwnedByComponent(OMX_U32 portIndex) const {
2125    size_t n = 0;
2126
2127    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2128        const BufferInfo &info = mBuffers[portIndex].itemAt(i);
2129
2130        if (info.mStatus == BufferInfo::OWNED_BY_COMPONENT) {
2131            ++n;
2132        }
2133    }
2134
2135    return n;
2136}
2137
2138bool ACodec::allYourBuffersAreBelongToUs(
2139        OMX_U32 portIndex) {
2140    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2141        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
2142
2143        if (info->mStatus != BufferInfo::OWNED_BY_US
2144                && info->mStatus != BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2145            ALOGV("[%s] Buffer %p on port %ld still has status %d",
2146                    mComponentName.c_str(),
2147                    info->mBufferID, portIndex, info->mStatus);
2148            return false;
2149        }
2150    }
2151
2152    return true;
2153}
2154
2155bool ACodec::allYourBuffersAreBelongToUs() {
2156    return allYourBuffersAreBelongToUs(kPortIndexInput)
2157        && allYourBuffersAreBelongToUs(kPortIndexOutput);
2158}
2159
2160void ACodec::deferMessage(const sp<AMessage> &msg) {
2161    bool wasEmptyBefore = mDeferredQueue.empty();
2162    mDeferredQueue.push_back(msg);
2163}
2164
2165void ACodec::processDeferredMessages() {
2166    List<sp<AMessage> > queue = mDeferredQueue;
2167    mDeferredQueue.clear();
2168
2169    List<sp<AMessage> >::iterator it = queue.begin();
2170    while (it != queue.end()) {
2171        onMessageReceived(*it++);
2172    }
2173}
2174
2175void ACodec::sendFormatChange() {
2176    sp<AMessage> notify = mNotify->dup();
2177    notify->setInt32("what", kWhatOutputFormatChanged);
2178
2179    OMX_PARAM_PORTDEFINITIONTYPE def;
2180    InitOMXParams(&def);
2181    def.nPortIndex = kPortIndexOutput;
2182
2183    CHECK_EQ(mOMX->getParameter(
2184                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def)),
2185             (status_t)OK);
2186
2187    CHECK_EQ((int)def.eDir, (int)OMX_DirOutput);
2188
2189    switch (def.eDomain) {
2190        case OMX_PortDomainVideo:
2191        {
2192            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2193
2194            notify->setString("mime", MEDIA_MIMETYPE_VIDEO_RAW);
2195            notify->setInt32("width", videoDef->nFrameWidth);
2196            notify->setInt32("height", videoDef->nFrameHeight);
2197            notify->setInt32("stride", videoDef->nStride);
2198            notify->setInt32("slice-height", videoDef->nSliceHeight);
2199            notify->setInt32("color-format", videoDef->eColorFormat);
2200
2201            OMX_CONFIG_RECTTYPE rect;
2202            InitOMXParams(&rect);
2203            rect.nPortIndex = kPortIndexOutput;
2204
2205            if (mOMX->getConfig(
2206                        mNode, OMX_IndexConfigCommonOutputCrop,
2207                        &rect, sizeof(rect)) != OK) {
2208                rect.nLeft = 0;
2209                rect.nTop = 0;
2210                rect.nWidth = videoDef->nFrameWidth;
2211                rect.nHeight = videoDef->nFrameHeight;
2212            }
2213
2214            CHECK_GE(rect.nLeft, 0);
2215            CHECK_GE(rect.nTop, 0);
2216            CHECK_GE(rect.nWidth, 0u);
2217            CHECK_GE(rect.nHeight, 0u);
2218            CHECK_LE(rect.nLeft + rect.nWidth - 1, videoDef->nFrameWidth);
2219            CHECK_LE(rect.nTop + rect.nHeight - 1, videoDef->nFrameHeight);
2220
2221            notify->setRect(
2222                    "crop",
2223                    rect.nLeft,
2224                    rect.nTop,
2225                    rect.nLeft + rect.nWidth - 1,
2226                    rect.nTop + rect.nHeight - 1);
2227
2228            if (mNativeWindow != NULL) {
2229                android_native_rect_t crop;
2230                crop.left = rect.nLeft;
2231                crop.top = rect.nTop;
2232                crop.right = rect.nLeft + rect.nWidth;
2233                crop.bottom = rect.nTop + rect.nHeight;
2234
2235                CHECK_EQ(0, native_window_set_crop(
2236                            mNativeWindow.get(), &crop));
2237            }
2238            break;
2239        }
2240
2241        case OMX_PortDomainAudio:
2242        {
2243            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2244            CHECK_EQ((int)audioDef->eEncoding, (int)OMX_AUDIO_CodingPCM);
2245
2246            OMX_AUDIO_PARAM_PCMMODETYPE params;
2247            InitOMXParams(&params);
2248            params.nPortIndex = kPortIndexOutput;
2249
2250            CHECK_EQ(mOMX->getParameter(
2251                        mNode, OMX_IndexParamAudioPcm,
2252                        &params, sizeof(params)),
2253                     (status_t)OK);
2254
2255            CHECK(params.nChannels == 1 || params.bInterleaved);
2256            CHECK_EQ(params.nBitPerSample, 16u);
2257            CHECK_EQ((int)params.eNumData, (int)OMX_NumericalDataSigned);
2258            CHECK_EQ((int)params.ePCMMode, (int)OMX_AUDIO_PCMModeLinear);
2259
2260            notify->setString("mime", MEDIA_MIMETYPE_AUDIO_RAW);
2261            notify->setInt32("channel-count", params.nChannels);
2262            notify->setInt32("sample-rate", params.nSamplingRate);
2263            if (mEncoderDelay + mEncoderPadding) {
2264                size_t frameSize = params.nChannels * sizeof(int16_t);
2265                if (mSkipCutBuffer != NULL) {
2266                    size_t prevbufsize = mSkipCutBuffer->size();
2267                    if (prevbufsize != 0) {
2268                        ALOGW("Replacing SkipCutBuffer holding %d bytes", prevbufsize);
2269                    }
2270                }
2271                mSkipCutBuffer = new SkipCutBuffer(mEncoderDelay * frameSize,
2272                                                   mEncoderPadding * frameSize);
2273            }
2274
2275            if (mChannelMaskPresent) {
2276                notify->setInt32("channel-mask", mChannelMask);
2277            }
2278
2279            break;
2280        }
2281
2282        default:
2283            TRESPASS();
2284    }
2285
2286    notify->post();
2287
2288    mSentFormat = true;
2289}
2290
2291void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
2292    sp<AMessage> notify = mNotify->dup();
2293    notify->setInt32("what", ACodec::kWhatError);
2294    notify->setInt32("omx-error", error);
2295    notify->setInt32("err", internalError);
2296    notify->post();
2297}
2298
2299status_t ACodec::pushBlankBuffersToNativeWindow() {
2300    status_t err = NO_ERROR;
2301    ANativeWindowBuffer* anb = NULL;
2302    int numBufs = 0;
2303    int minUndequeuedBufs = 0;
2304
2305    // We need to reconnect to the ANativeWindow as a CPU client to ensure that
2306    // no frames get dropped by SurfaceFlinger assuming that these are video
2307    // frames.
2308    err = native_window_api_disconnect(mNativeWindow.get(),
2309            NATIVE_WINDOW_API_MEDIA);
2310    if (err != NO_ERROR) {
2311        ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2312                strerror(-err), -err);
2313        return err;
2314    }
2315
2316    err = native_window_api_connect(mNativeWindow.get(),
2317            NATIVE_WINDOW_API_CPU);
2318    if (err != NO_ERROR) {
2319        ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2320                strerror(-err), -err);
2321        return err;
2322    }
2323
2324    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
2325            HAL_PIXEL_FORMAT_RGBX_8888);
2326    if (err != NO_ERROR) {
2327        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
2328                strerror(-err), -err);
2329        goto error;
2330    }
2331
2332    err = native_window_set_usage(mNativeWindow.get(),
2333            GRALLOC_USAGE_SW_WRITE_OFTEN);
2334    if (err != NO_ERROR) {
2335        ALOGE("error pushing blank frames: set_usage failed: %s (%d)",
2336                strerror(-err), -err);
2337        goto error;
2338    }
2339
2340    err = mNativeWindow->query(mNativeWindow.get(),
2341            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
2342    if (err != NO_ERROR) {
2343        ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
2344                "failed: %s (%d)", strerror(-err), -err);
2345        goto error;
2346    }
2347
2348    numBufs = minUndequeuedBufs + 1;
2349    err = native_window_set_buffer_count(mNativeWindow.get(), numBufs);
2350    if (err != NO_ERROR) {
2351        ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)",
2352                strerror(-err), -err);
2353        goto error;
2354    }
2355
2356    // We  push numBufs + 1 buffers to ensure that we've drawn into the same
2357    // buffer twice.  This should guarantee that the buffer has been displayed
2358    // on the screen and then been replaced, so an previous video frames are
2359    // guaranteed NOT to be currently displayed.
2360    for (int i = 0; i < numBufs + 1; i++) {
2361        int fenceFd = -1;
2362        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &anb);
2363        if (err != NO_ERROR) {
2364            ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
2365                    strerror(-err), -err);
2366            goto error;
2367        }
2368
2369        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
2370
2371        // Fill the buffer with the a 1x1 checkerboard pattern ;)
2372        uint32_t* img = NULL;
2373        err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
2374        if (err != NO_ERROR) {
2375            ALOGE("error pushing blank frames: lock failed: %s (%d)",
2376                    strerror(-err), -err);
2377            goto error;
2378        }
2379
2380        *img = 0;
2381
2382        err = buf->unlock();
2383        if (err != NO_ERROR) {
2384            ALOGE("error pushing blank frames: unlock failed: %s (%d)",
2385                    strerror(-err), -err);
2386            goto error;
2387        }
2388
2389        err = mNativeWindow->queueBuffer(mNativeWindow.get(),
2390                buf->getNativeBuffer(), -1);
2391        if (err != NO_ERROR) {
2392            ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)",
2393                    strerror(-err), -err);
2394            goto error;
2395        }
2396
2397        anb = NULL;
2398    }
2399
2400error:
2401
2402    if (err != NO_ERROR) {
2403        // Clean up after an error.
2404        if (anb != NULL) {
2405            mNativeWindow->cancelBuffer(mNativeWindow.get(), anb, -1);
2406        }
2407
2408        native_window_api_disconnect(mNativeWindow.get(),
2409                NATIVE_WINDOW_API_CPU);
2410        native_window_api_connect(mNativeWindow.get(),
2411                NATIVE_WINDOW_API_MEDIA);
2412
2413        return err;
2414    } else {
2415        // Clean up after success.
2416        err = native_window_api_disconnect(mNativeWindow.get(),
2417                NATIVE_WINDOW_API_CPU);
2418        if (err != NO_ERROR) {
2419            ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2420                    strerror(-err), -err);
2421            return err;
2422        }
2423
2424        err = native_window_api_connect(mNativeWindow.get(),
2425                NATIVE_WINDOW_API_MEDIA);
2426        if (err != NO_ERROR) {
2427            ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2428                    strerror(-err), -err);
2429            return err;
2430        }
2431
2432        return NO_ERROR;
2433    }
2434}
2435
2436////////////////////////////////////////////////////////////////////////////////
2437
2438ACodec::PortDescription::PortDescription() {
2439}
2440
2441status_t ACodec::requestIDRFrame() {
2442    if (!mIsEncoder) {
2443        return ERROR_UNSUPPORTED;
2444    }
2445
2446    OMX_CONFIG_INTRAREFRESHVOPTYPE params;
2447    InitOMXParams(&params);
2448
2449    params.nPortIndex = kPortIndexOutput;
2450    params.IntraRefreshVOP = OMX_TRUE;
2451
2452    return mOMX->setConfig(
2453            mNode,
2454            OMX_IndexConfigVideoIntraVOPRefresh,
2455            &params,
2456            sizeof(params));
2457}
2458
2459void ACodec::PortDescription::addBuffer(
2460        IOMX::buffer_id id, const sp<ABuffer> &buffer) {
2461    mBufferIDs.push_back(id);
2462    mBuffers.push_back(buffer);
2463}
2464
2465size_t ACodec::PortDescription::countBuffers() {
2466    return mBufferIDs.size();
2467}
2468
2469IOMX::buffer_id ACodec::PortDescription::bufferIDAt(size_t index) const {
2470    return mBufferIDs.itemAt(index);
2471}
2472
2473sp<ABuffer> ACodec::PortDescription::bufferAt(size_t index) const {
2474    return mBuffers.itemAt(index);
2475}
2476
2477////////////////////////////////////////////////////////////////////////////////
2478
2479ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
2480    : AState(parentState),
2481      mCodec(codec) {
2482}
2483
2484ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(OMX_U32 portIndex) {
2485    return KEEP_BUFFERS;
2486}
2487
2488bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
2489    switch (msg->what()) {
2490        case kWhatInputBufferFilled:
2491        {
2492            onInputBufferFilled(msg);
2493            break;
2494        }
2495
2496        case kWhatOutputBufferDrained:
2497        {
2498            onOutputBufferDrained(msg);
2499            break;
2500        }
2501
2502        case ACodec::kWhatOMXMessage:
2503        {
2504            return onOMXMessage(msg);
2505        }
2506
2507        case ACodec::kWhatCreateInputSurface:
2508        case ACodec::kWhatSignalEndOfInputStream:
2509        {
2510            ALOGE("Message 0x%x was not handled", msg->what());
2511            mCodec->signalError(OMX_ErrorUndefined, INVALID_OPERATION);
2512            return true;
2513        }
2514
2515        case ACodec::kWhatOMXDied:
2516        {
2517            ALOGE("OMX/mediaserver died, signalling error!");
2518            mCodec->signalError(OMX_ErrorResourcesLost, DEAD_OBJECT);
2519            break;
2520        }
2521
2522        default:
2523            return false;
2524    }
2525
2526    return true;
2527}
2528
2529bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
2530    int32_t type;
2531    CHECK(msg->findInt32("type", &type));
2532
2533    IOMX::node_id nodeID;
2534    CHECK(msg->findPointer("node", &nodeID));
2535    CHECK_EQ(nodeID, mCodec->mNode);
2536
2537    switch (type) {
2538        case omx_message::EVENT:
2539        {
2540            int32_t event, data1, data2;
2541            CHECK(msg->findInt32("event", &event));
2542            CHECK(msg->findInt32("data1", &data1));
2543            CHECK(msg->findInt32("data2", &data2));
2544
2545            if (event == OMX_EventCmdComplete
2546                    && data1 == OMX_CommandFlush
2547                    && data2 == (int32_t)OMX_ALL) {
2548                // Use of this notification is not consistent across
2549                // implementations. We'll drop this notification and rely
2550                // on flush-complete notifications on the individual port
2551                // indices instead.
2552
2553                return true;
2554            }
2555
2556            return onOMXEvent(
2557                    static_cast<OMX_EVENTTYPE>(event),
2558                    static_cast<OMX_U32>(data1),
2559                    static_cast<OMX_U32>(data2));
2560        }
2561
2562        case omx_message::EMPTY_BUFFER_DONE:
2563        {
2564            IOMX::buffer_id bufferID;
2565            CHECK(msg->findPointer("buffer", &bufferID));
2566
2567            return onOMXEmptyBufferDone(bufferID);
2568        }
2569
2570        case omx_message::FILL_BUFFER_DONE:
2571        {
2572            IOMX::buffer_id bufferID;
2573            CHECK(msg->findPointer("buffer", &bufferID));
2574
2575            int32_t rangeOffset, rangeLength, flags;
2576            int64_t timeUs;
2577            void *platformPrivate;
2578            void *dataPtr;
2579
2580            CHECK(msg->findInt32("range_offset", &rangeOffset));
2581            CHECK(msg->findInt32("range_length", &rangeLength));
2582            CHECK(msg->findInt32("flags", &flags));
2583            CHECK(msg->findInt64("timestamp", &timeUs));
2584            CHECK(msg->findPointer("platform_private", &platformPrivate));
2585            CHECK(msg->findPointer("data_ptr", &dataPtr));
2586
2587            return onOMXFillBufferDone(
2588                    bufferID,
2589                    (size_t)rangeOffset, (size_t)rangeLength,
2590                    (OMX_U32)flags,
2591                    timeUs,
2592                    platformPrivate,
2593                    dataPtr);
2594        }
2595
2596        default:
2597            TRESPASS();
2598            break;
2599    }
2600}
2601
2602bool ACodec::BaseState::onOMXEvent(
2603        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
2604    if (event != OMX_EventError) {
2605        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
2606             mCodec->mComponentName.c_str(), event, data1, data2);
2607
2608        return false;
2609    }
2610
2611    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
2612
2613    mCodec->signalError((OMX_ERRORTYPE)data1);
2614
2615    return true;
2616}
2617
2618bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
2619    ALOGV("[%s] onOMXEmptyBufferDone %p",
2620         mCodec->mComponentName.c_str(), bufferID);
2621
2622    BufferInfo *info =
2623        mCodec->findBufferByID(kPortIndexInput, bufferID);
2624
2625    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2626    info->mStatus = BufferInfo::OWNED_BY_US;
2627
2628    const sp<AMessage> &bufferMeta = info->mData->meta();
2629    void *mediaBuffer;
2630    if (bufferMeta->findPointer("mediaBuffer", &mediaBuffer)
2631            && mediaBuffer != NULL) {
2632        // We're in "store-metadata-in-buffers" mode, the underlying
2633        // OMX component had access to data that's implicitly refcounted
2634        // by this "mediaBuffer" object. Now that the OMX component has
2635        // told us that it's done with the input buffer, we can decrement
2636        // the mediaBuffer's reference count.
2637
2638        ALOGV("releasing mbuf %p", mediaBuffer);
2639
2640        ((MediaBuffer *)mediaBuffer)->release();
2641        mediaBuffer = NULL;
2642
2643        bufferMeta->setPointer("mediaBuffer", NULL);
2644    }
2645
2646    PortMode mode = getPortMode(kPortIndexInput);
2647
2648    switch (mode) {
2649        case KEEP_BUFFERS:
2650            break;
2651
2652        case RESUBMIT_BUFFERS:
2653            postFillThisBuffer(info);
2654            break;
2655
2656        default:
2657        {
2658            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2659            TRESPASS();  // Not currently used
2660            break;
2661        }
2662    }
2663
2664    return true;
2665}
2666
2667void ACodec::BaseState::postFillThisBuffer(BufferInfo *info) {
2668    if (mCodec->mPortEOS[kPortIndexInput]) {
2669        return;
2670    }
2671
2672    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
2673
2674    sp<AMessage> notify = mCodec->mNotify->dup();
2675    notify->setInt32("what", ACodec::kWhatFillThisBuffer);
2676    notify->setPointer("buffer-id", info->mBufferID);
2677
2678    info->mData->meta()->clear();
2679    notify->setBuffer("buffer", info->mData);
2680
2681    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, mCodec->id());
2682    reply->setPointer("buffer-id", info->mBufferID);
2683
2684    notify->setMessage("reply", reply);
2685
2686    notify->post();
2687
2688    info->mStatus = BufferInfo::OWNED_BY_UPSTREAM;
2689}
2690
2691void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
2692    IOMX::buffer_id bufferID;
2693    CHECK(msg->findPointer("buffer-id", &bufferID));
2694
2695    sp<ABuffer> buffer;
2696    int32_t err = OK;
2697    bool eos = false;
2698
2699    if (!msg->findBuffer("buffer", &buffer)) {
2700        CHECK(msg->findInt32("err", &err));
2701
2702        ALOGV("[%s] saw error %d instead of an input buffer",
2703             mCodec->mComponentName.c_str(), err);
2704
2705        buffer.clear();
2706
2707        eos = true;
2708    }
2709
2710    int32_t tmp;
2711    if (buffer != NULL && buffer->meta()->findInt32("eos", &tmp) && tmp) {
2712        eos = true;
2713        err = ERROR_END_OF_STREAM;
2714    }
2715
2716    BufferInfo *info = mCodec->findBufferByID(kPortIndexInput, bufferID);
2717    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_UPSTREAM);
2718
2719    info->mStatus = BufferInfo::OWNED_BY_US;
2720
2721    PortMode mode = getPortMode(kPortIndexInput);
2722
2723    switch (mode) {
2724        case KEEP_BUFFERS:
2725        {
2726            if (eos) {
2727                if (!mCodec->mPortEOS[kPortIndexInput]) {
2728                    mCodec->mPortEOS[kPortIndexInput] = true;
2729                    mCodec->mInputEOSResult = err;
2730                }
2731            }
2732            break;
2733        }
2734
2735        case RESUBMIT_BUFFERS:
2736        {
2737            if (buffer != NULL && !mCodec->mPortEOS[kPortIndexInput]) {
2738                int64_t timeUs;
2739                CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2740
2741                OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
2742
2743                int32_t isCSD;
2744                if (buffer->meta()->findInt32("csd", &isCSD) && isCSD != 0) {
2745                    flags |= OMX_BUFFERFLAG_CODECCONFIG;
2746                }
2747
2748                if (eos) {
2749                    flags |= OMX_BUFFERFLAG_EOS;
2750                }
2751
2752                if (buffer != info->mData) {
2753                    ALOGV("[%s] Needs to copy input data for buffer %p. (%p != %p)",
2754                         mCodec->mComponentName.c_str(),
2755                         bufferID,
2756                         buffer.get(), info->mData.get());
2757
2758                    CHECK_LE(buffer->size(), info->mData->capacity());
2759                    memcpy(info->mData->data(), buffer->data(), buffer->size());
2760                }
2761
2762                if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
2763                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
2764                         mCodec->mComponentName.c_str(), bufferID);
2765                } else if (flags & OMX_BUFFERFLAG_EOS) {
2766                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
2767                         mCodec->mComponentName.c_str(), bufferID);
2768                } else {
2769#if TRACK_BUFFER_TIMING
2770                    ALOGI("[%s] calling emptyBuffer %p w/ time %lld us",
2771                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2772#else
2773                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
2774                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2775#endif
2776                }
2777
2778#if TRACK_BUFFER_TIMING
2779                ACodec::BufferStats stats;
2780                stats.mEmptyBufferTimeUs = ALooper::GetNowUs();
2781                stats.mFillBufferDoneTimeUs = -1ll;
2782                mCodec->mBufferStats.add(timeUs, stats);
2783#endif
2784
2785                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2786                            mCodec->mNode,
2787                            bufferID,
2788                            0,
2789                            buffer->size(),
2790                            flags,
2791                            timeUs),
2792                         (status_t)OK);
2793
2794                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2795
2796                if (!eos) {
2797                    getMoreInputDataIfPossible();
2798                } else {
2799                    ALOGV("[%s] Signalled EOS on the input port",
2800                         mCodec->mComponentName.c_str());
2801
2802                    mCodec->mPortEOS[kPortIndexInput] = true;
2803                    mCodec->mInputEOSResult = err;
2804                }
2805            } else if (!mCodec->mPortEOS[kPortIndexInput]) {
2806                if (err != ERROR_END_OF_STREAM) {
2807                    ALOGV("[%s] Signalling EOS on the input port "
2808                         "due to error %d",
2809                         mCodec->mComponentName.c_str(), err);
2810                } else {
2811                    ALOGV("[%s] Signalling EOS on the input port",
2812                         mCodec->mComponentName.c_str());
2813                }
2814
2815                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
2816                     mCodec->mComponentName.c_str(), bufferID);
2817
2818                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2819                            mCodec->mNode,
2820                            bufferID,
2821                            0,
2822                            0,
2823                            OMX_BUFFERFLAG_EOS,
2824                            0),
2825                         (status_t)OK);
2826
2827                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2828
2829                mCodec->mPortEOS[kPortIndexInput] = true;
2830                mCodec->mInputEOSResult = err;
2831            }
2832            break;
2833
2834            default:
2835                CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2836                break;
2837        }
2838    }
2839}
2840
2841void ACodec::BaseState::getMoreInputDataIfPossible() {
2842    if (mCodec->mPortEOS[kPortIndexInput]) {
2843        return;
2844    }
2845
2846    BufferInfo *eligible = NULL;
2847
2848    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
2849        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
2850
2851#if 0
2852        if (info->mStatus == BufferInfo::OWNED_BY_UPSTREAM) {
2853            // There's already a "read" pending.
2854            return;
2855        }
2856#endif
2857
2858        if (info->mStatus == BufferInfo::OWNED_BY_US) {
2859            eligible = info;
2860        }
2861    }
2862
2863    if (eligible == NULL) {
2864        return;
2865    }
2866
2867    postFillThisBuffer(eligible);
2868}
2869
2870bool ACodec::BaseState::onOMXFillBufferDone(
2871        IOMX::buffer_id bufferID,
2872        size_t rangeOffset, size_t rangeLength,
2873        OMX_U32 flags,
2874        int64_t timeUs,
2875        void *platformPrivate,
2876        void *dataPtr) {
2877    ALOGV("[%s] onOMXFillBufferDone %p time %lld us, flags = 0x%08lx",
2878         mCodec->mComponentName.c_str(), bufferID, timeUs, flags);
2879
2880    ssize_t index;
2881
2882#if TRACK_BUFFER_TIMING
2883    index = mCodec->mBufferStats.indexOfKey(timeUs);
2884    if (index >= 0) {
2885        ACodec::BufferStats *stats = &mCodec->mBufferStats.editValueAt(index);
2886        stats->mFillBufferDoneTimeUs = ALooper::GetNowUs();
2887
2888        ALOGI("frame PTS %lld: %lld",
2889                timeUs,
2890                stats->mFillBufferDoneTimeUs - stats->mEmptyBufferTimeUs);
2891
2892        mCodec->mBufferStats.removeItemsAt(index);
2893        stats = NULL;
2894    }
2895#endif
2896
2897    BufferInfo *info =
2898        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
2899
2900    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2901
2902    info->mStatus = BufferInfo::OWNED_BY_US;
2903
2904    PortMode mode = getPortMode(kPortIndexOutput);
2905
2906    switch (mode) {
2907        case KEEP_BUFFERS:
2908            break;
2909
2910        case RESUBMIT_BUFFERS:
2911        {
2912            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
2913                ALOGV("[%s] calling fillBuffer %p",
2914                     mCodec->mComponentName.c_str(), info->mBufferID);
2915
2916                CHECK_EQ(mCodec->mOMX->fillBuffer(
2917                            mCodec->mNode, info->mBufferID),
2918                         (status_t)OK);
2919
2920                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2921                break;
2922            }
2923
2924            if (!mCodec->mIsEncoder && !mCodec->mSentFormat) {
2925                mCodec->sendFormatChange();
2926            }
2927
2928            info->mData->setRange(rangeOffset, rangeLength);
2929#if 0
2930            if (mCodec->mNativeWindow == NULL) {
2931                if (IsIDR(info->mData)) {
2932                    ALOGI("IDR frame");
2933                }
2934            }
2935#endif
2936
2937            if (mCodec->mSkipCutBuffer != NULL) {
2938                mCodec->mSkipCutBuffer->submit(info->mData);
2939            }
2940            info->mData->meta()->setInt64("timeUs", timeUs);
2941
2942            sp<AMessage> notify = mCodec->mNotify->dup();
2943            notify->setInt32("what", ACodec::kWhatDrainThisBuffer);
2944            notify->setPointer("buffer-id", info->mBufferID);
2945            notify->setBuffer("buffer", info->mData);
2946            notify->setInt32("flags", flags);
2947
2948            sp<AMessage> reply =
2949                new AMessage(kWhatOutputBufferDrained, mCodec->id());
2950
2951            reply->setPointer("buffer-id", info->mBufferID);
2952
2953            notify->setMessage("reply", reply);
2954
2955            notify->post();
2956
2957            info->mStatus = BufferInfo::OWNED_BY_DOWNSTREAM;
2958
2959            if (flags & OMX_BUFFERFLAG_EOS) {
2960                ALOGV("[%s] saw output EOS", mCodec->mComponentName.c_str());
2961
2962                sp<AMessage> notify = mCodec->mNotify->dup();
2963                notify->setInt32("what", ACodec::kWhatEOS);
2964                notify->setInt32("err", mCodec->mInputEOSResult);
2965                notify->post();
2966
2967                mCodec->mPortEOS[kPortIndexOutput] = true;
2968            }
2969            break;
2970        }
2971
2972        default:
2973        {
2974            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2975
2976            CHECK_EQ((status_t)OK,
2977                     mCodec->freeBuffer(kPortIndexOutput, index));
2978            break;
2979        }
2980    }
2981
2982    return true;
2983}
2984
2985void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
2986    IOMX::buffer_id bufferID;
2987    CHECK(msg->findPointer("buffer-id", &bufferID));
2988
2989    ssize_t index;
2990    BufferInfo *info =
2991        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
2992    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
2993
2994    int32_t render;
2995    if (mCodec->mNativeWindow != NULL
2996            && msg->findInt32("render", &render) && render != 0) {
2997        // The client wants this buffer to be rendered.
2998
2999        status_t err;
3000        if ((err = mCodec->mNativeWindow->queueBuffer(
3001                    mCodec->mNativeWindow.get(),
3002                    info->mGraphicBuffer.get(), -1)) == OK) {
3003            info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
3004        } else {
3005            mCodec->signalError(OMX_ErrorUndefined, err);
3006            info->mStatus = BufferInfo::OWNED_BY_US;
3007        }
3008    } else {
3009        info->mStatus = BufferInfo::OWNED_BY_US;
3010    }
3011
3012    PortMode mode = getPortMode(kPortIndexOutput);
3013
3014    switch (mode) {
3015        case KEEP_BUFFERS:
3016        {
3017            // XXX fishy, revisit!!! What about the FREE_BUFFERS case below?
3018
3019            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3020                // We cannot resubmit the buffer we just rendered, dequeue
3021                // the spare instead.
3022
3023                info = mCodec->dequeueBufferFromNativeWindow();
3024            }
3025            break;
3026        }
3027
3028        case RESUBMIT_BUFFERS:
3029        {
3030            if (!mCodec->mPortEOS[kPortIndexOutput]) {
3031                if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3032                    // We cannot resubmit the buffer we just rendered, dequeue
3033                    // the spare instead.
3034
3035                    info = mCodec->dequeueBufferFromNativeWindow();
3036                }
3037
3038                if (info != NULL) {
3039                    ALOGV("[%s] calling fillBuffer %p",
3040                         mCodec->mComponentName.c_str(), info->mBufferID);
3041
3042                    CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3043                             (status_t)OK);
3044
3045                    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3046                }
3047            }
3048            break;
3049        }
3050
3051        default:
3052        {
3053            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3054
3055            CHECK_EQ((status_t)OK,
3056                     mCodec->freeBuffer(kPortIndexOutput, index));
3057            break;
3058        }
3059    }
3060}
3061
3062////////////////////////////////////////////////////////////////////////////////
3063
3064ACodec::UninitializedState::UninitializedState(ACodec *codec)
3065    : BaseState(codec) {
3066}
3067
3068void ACodec::UninitializedState::stateEntered() {
3069    ALOGV("Now uninitialized");
3070
3071    if (mDeathNotifier != NULL) {
3072        mCodec->mOMX->asBinder()->unlinkToDeath(mDeathNotifier);
3073        mDeathNotifier.clear();
3074    }
3075
3076    mCodec->mNativeWindow.clear();
3077    mCodec->mNode = NULL;
3078    mCodec->mOMX.clear();
3079    mCodec->mQuirks = 0;
3080    mCodec->mFlags = 0;
3081    mCodec->mComponentName.clear();
3082}
3083
3084bool ACodec::UninitializedState::onMessageReceived(const sp<AMessage> &msg) {
3085    bool handled = false;
3086
3087    switch (msg->what()) {
3088        case ACodec::kWhatSetup:
3089        {
3090            onSetup(msg);
3091
3092            handled = true;
3093            break;
3094        }
3095
3096        case ACodec::kWhatAllocateComponent:
3097        {
3098            onAllocateComponent(msg);
3099            handled = true;
3100            break;
3101        }
3102
3103        case ACodec::kWhatShutdown:
3104        {
3105            int32_t keepComponentAllocated;
3106            CHECK(msg->findInt32(
3107                        "keepComponentAllocated", &keepComponentAllocated));
3108            CHECK(!keepComponentAllocated);
3109
3110            sp<AMessage> notify = mCodec->mNotify->dup();
3111            notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3112            notify->post();
3113
3114            handled = true;
3115            break;
3116        }
3117
3118        case ACodec::kWhatFlush:
3119        {
3120            sp<AMessage> notify = mCodec->mNotify->dup();
3121            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3122            notify->post();
3123
3124            handled = true;
3125            break;
3126        }
3127
3128        default:
3129            return BaseState::onMessageReceived(msg);
3130    }
3131
3132    return handled;
3133}
3134
3135void ACodec::UninitializedState::onSetup(
3136        const sp<AMessage> &msg) {
3137    if (onAllocateComponent(msg)
3138            && mCodec->mLoadedState->onConfigureComponent(msg)) {
3139        mCodec->mLoadedState->onStart();
3140    }
3141}
3142
3143bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
3144    ALOGV("onAllocateComponent");
3145
3146    CHECK(mCodec->mNode == NULL);
3147
3148    OMXClient client;
3149    CHECK_EQ(client.connect(), (status_t)OK);
3150
3151    sp<IOMX> omx = client.interface();
3152
3153    sp<AMessage> notify = new AMessage(kWhatOMXDied, mCodec->id());
3154
3155    mDeathNotifier = new DeathNotifier(notify);
3156    if (omx->asBinder()->linkToDeath(mDeathNotifier) != OK) {
3157        // This was a local binder, if it dies so do we, we won't care
3158        // about any notifications in the afterlife.
3159        mDeathNotifier.clear();
3160    }
3161
3162    Vector<OMXCodec::CodecNameAndQuirks> matchingCodecs;
3163
3164    AString mime;
3165
3166    AString componentName;
3167    uint32_t quirks = 0;
3168    if (msg->findString("componentName", &componentName)) {
3169        ssize_t index = matchingCodecs.add();
3170        OMXCodec::CodecNameAndQuirks *entry = &matchingCodecs.editItemAt(index);
3171        entry->mName = String8(componentName.c_str());
3172
3173        if (!OMXCodec::findCodecQuirks(
3174                    componentName.c_str(), &entry->mQuirks)) {
3175            entry->mQuirks = 0;
3176        }
3177    } else {
3178        CHECK(msg->findString("mime", &mime));
3179
3180        int32_t encoder;
3181        if (!msg->findInt32("encoder", &encoder)) {
3182            encoder = false;
3183        }
3184
3185        OMXCodec::findMatchingCodecs(
3186                mime.c_str(),
3187                encoder, // createEncoder
3188                NULL,  // matchComponentName
3189                0,     // flags
3190                &matchingCodecs);
3191    }
3192
3193    sp<CodecObserver> observer = new CodecObserver;
3194    IOMX::node_id node = NULL;
3195
3196    for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
3197            ++matchIndex) {
3198        componentName = matchingCodecs.itemAt(matchIndex).mName.string();
3199        quirks = matchingCodecs.itemAt(matchIndex).mQuirks;
3200
3201        pid_t tid = androidGetTid();
3202        int prevPriority = androidGetThreadPriority(tid);
3203        androidSetThreadPriority(tid, ANDROID_PRIORITY_FOREGROUND);
3204        status_t err = omx->allocateNode(componentName.c_str(), observer, &node);
3205        androidSetThreadPriority(tid, prevPriority);
3206
3207        if (err == OK) {
3208            break;
3209        }
3210
3211        node = NULL;
3212    }
3213
3214    if (node == NULL) {
3215        if (!mime.empty()) {
3216            ALOGE("Unable to instantiate a decoder for type '%s'.",
3217                 mime.c_str());
3218        } else {
3219            ALOGE("Unable to instantiate decoder '%s'.", componentName.c_str());
3220        }
3221
3222        mCodec->signalError(OMX_ErrorComponentNotFound);
3223        return false;
3224    }
3225
3226    notify = new AMessage(kWhatOMXMessage, mCodec->id());
3227    observer->setNotificationMessage(notify);
3228
3229    mCodec->mComponentName = componentName;
3230    mCodec->mFlags = 0;
3231
3232    if (componentName.endsWith(".secure")) {
3233        mCodec->mFlags |= kFlagIsSecure;
3234    }
3235
3236    mCodec->mQuirks = quirks;
3237    mCodec->mOMX = omx;
3238    mCodec->mNode = node;
3239
3240    {
3241        sp<AMessage> notify = mCodec->mNotify->dup();
3242        notify->setInt32("what", ACodec::kWhatComponentAllocated);
3243        notify->setString("componentName", mCodec->mComponentName.c_str());
3244        notify->post();
3245    }
3246
3247    mCodec->changeState(mCodec->mLoadedState);
3248
3249    return true;
3250}
3251
3252////////////////////////////////////////////////////////////////////////////////
3253
3254ACodec::LoadedState::LoadedState(ACodec *codec)
3255    : BaseState(codec) {
3256}
3257
3258void ACodec::LoadedState::stateEntered() {
3259    ALOGV("[%s] Now Loaded", mCodec->mComponentName.c_str());
3260
3261    mCodec->mPortEOS[kPortIndexInput] =
3262        mCodec->mPortEOS[kPortIndexOutput] = false;
3263
3264    mCodec->mInputEOSResult = OK;
3265
3266    if (mCodec->mShutdownInProgress) {
3267        bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
3268
3269        mCodec->mShutdownInProgress = false;
3270        mCodec->mKeepComponentAllocated = false;
3271
3272        onShutdown(keepComponentAllocated);
3273    }
3274}
3275
3276void ACodec::LoadedState::onShutdown(bool keepComponentAllocated) {
3277    if (!keepComponentAllocated) {
3278        CHECK_EQ(mCodec->mOMX->freeNode(mCodec->mNode), (status_t)OK);
3279
3280        mCodec->changeState(mCodec->mUninitializedState);
3281    }
3282
3283    sp<AMessage> notify = mCodec->mNotify->dup();
3284    notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3285    notify->post();
3286}
3287
3288bool ACodec::LoadedState::onMessageReceived(const sp<AMessage> &msg) {
3289    bool handled = false;
3290
3291    switch (msg->what()) {
3292        case ACodec::kWhatConfigureComponent:
3293        {
3294            onConfigureComponent(msg);
3295            handled = true;
3296            break;
3297        }
3298
3299        case ACodec::kWhatCreateInputSurface:
3300        {
3301            onCreateInputSurface(msg);
3302            handled = true;
3303            break;
3304        }
3305
3306        case ACodec::kWhatStart:
3307        {
3308            onStart();
3309            handled = true;
3310            break;
3311        }
3312
3313        case ACodec::kWhatShutdown:
3314        {
3315            int32_t keepComponentAllocated;
3316            CHECK(msg->findInt32(
3317                        "keepComponentAllocated", &keepComponentAllocated));
3318
3319            onShutdown(keepComponentAllocated);
3320
3321            handled = true;
3322            break;
3323        }
3324
3325        case ACodec::kWhatFlush:
3326        {
3327            sp<AMessage> notify = mCodec->mNotify->dup();
3328            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3329            notify->post();
3330
3331            handled = true;
3332            break;
3333        }
3334
3335        default:
3336            return BaseState::onMessageReceived(msg);
3337    }
3338
3339    return handled;
3340}
3341
3342bool ACodec::LoadedState::onConfigureComponent(
3343        const sp<AMessage> &msg) {
3344    ALOGV("onConfigureComponent");
3345
3346    CHECK(mCodec->mNode != NULL);
3347
3348    AString mime;
3349    CHECK(msg->findString("mime", &mime));
3350
3351    status_t err = mCodec->configureCodec(mime.c_str(), msg);
3352
3353    if (err != OK) {
3354        ALOGE("[%s] configureCodec returning error %d",
3355              mCodec->mComponentName.c_str(), err);
3356
3357        mCodec->signalError(OMX_ErrorUndefined, err);
3358        return false;
3359    }
3360
3361    sp<RefBase> obj;
3362    if (msg->findObject("native-window", &obj)
3363            && strncmp("OMX.google.", mCodec->mComponentName.c_str(), 11)) {
3364        sp<NativeWindowWrapper> nativeWindow(
3365                static_cast<NativeWindowWrapper *>(obj.get()));
3366        CHECK(nativeWindow != NULL);
3367        mCodec->mNativeWindow = nativeWindow->getNativeWindow();
3368
3369        native_window_set_scaling_mode(
3370                mCodec->mNativeWindow.get(),
3371                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
3372    }
3373    CHECK_EQ((status_t)OK, mCodec->initNativeWindow());
3374
3375    {
3376        sp<AMessage> notify = mCodec->mNotify->dup();
3377        notify->setInt32("what", ACodec::kWhatComponentConfigured);
3378        notify->post();
3379    }
3380
3381    return true;
3382}
3383
3384void ACodec::LoadedState::onCreateInputSurface(
3385        const sp<AMessage> &msg) {
3386    ALOGV("onCreateInputSurface");
3387
3388    sp<AMessage> notify = mCodec->mNotify->dup();
3389    notify->setInt32("what", ACodec::kWhatInputSurfaceCreated);
3390
3391    sp<IGraphicBufferProducer> bufferProducer;
3392    status_t err;
3393
3394    err = mCodec->mOMX->createInputSurface(mCodec->mNode, kPortIndexInput,
3395            &bufferProducer);
3396    if (err == OK) {
3397        notify->setObject("input-surface",
3398                new BufferProducerWrapper(bufferProducer));
3399    } else {
3400        // Can't use mCodec->signalError() here -- MediaCodec won't forward
3401        // the error through because it's in the "configured" state.  We
3402        // send a kWhatInputSurfaceCreated with an error value instead.
3403        ALOGE("[%s] onCreateInputSurface returning error %d",
3404                mCodec->mComponentName.c_str(), err);
3405        notify->setInt32("err", err);
3406    }
3407    notify->post();
3408}
3409
3410void ACodec::LoadedState::onStart() {
3411    ALOGV("onStart");
3412
3413    CHECK_EQ(mCodec->mOMX->sendCommand(
3414                mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3415             (status_t)OK);
3416
3417    mCodec->changeState(mCodec->mLoadedToIdleState);
3418}
3419
3420////////////////////////////////////////////////////////////////////////////////
3421
3422ACodec::LoadedToIdleState::LoadedToIdleState(ACodec *codec)
3423    : BaseState(codec) {
3424}
3425
3426void ACodec::LoadedToIdleState::stateEntered() {
3427    ALOGV("[%s] Now Loaded->Idle", mCodec->mComponentName.c_str());
3428
3429    status_t err;
3430    if ((err = allocateBuffers()) != OK) {
3431        ALOGE("Failed to allocate buffers after transitioning to IDLE state "
3432             "(error 0x%08x)",
3433             err);
3434
3435        mCodec->signalError(OMX_ErrorUndefined, err);
3436
3437        mCodec->changeState(mCodec->mLoadedState);
3438    }
3439}
3440
3441status_t ACodec::LoadedToIdleState::allocateBuffers() {
3442    status_t err = mCodec->allocateBuffersOnPort(kPortIndexInput);
3443
3444    if (err != OK) {
3445        return err;
3446    }
3447
3448    return mCodec->allocateBuffersOnPort(kPortIndexOutput);
3449}
3450
3451bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
3452    switch (msg->what()) {
3453        case kWhatShutdown:
3454        {
3455            mCodec->deferMessage(msg);
3456            return true;
3457        }
3458
3459        case kWhatSignalEndOfInputStream:
3460        {
3461            mCodec->onSignalEndOfInputStream();
3462            return true;
3463        }
3464
3465        case kWhatResume:
3466        {
3467            // We'll be active soon enough.
3468            return true;
3469        }
3470
3471        case kWhatFlush:
3472        {
3473            // We haven't even started yet, so we're flushed alright...
3474            sp<AMessage> notify = mCodec->mNotify->dup();
3475            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3476            notify->post();
3477            return true;
3478        }
3479
3480        default:
3481            return BaseState::onMessageReceived(msg);
3482    }
3483}
3484
3485bool ACodec::LoadedToIdleState::onOMXEvent(
3486        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3487    switch (event) {
3488        case OMX_EventCmdComplete:
3489        {
3490            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3491            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
3492
3493            CHECK_EQ(mCodec->mOMX->sendCommand(
3494                        mCodec->mNode, OMX_CommandStateSet, OMX_StateExecuting),
3495                     (status_t)OK);
3496
3497            mCodec->changeState(mCodec->mIdleToExecutingState);
3498
3499            return true;
3500        }
3501
3502        default:
3503            return BaseState::onOMXEvent(event, data1, data2);
3504    }
3505}
3506
3507////////////////////////////////////////////////////////////////////////////////
3508
3509ACodec::IdleToExecutingState::IdleToExecutingState(ACodec *codec)
3510    : BaseState(codec) {
3511}
3512
3513void ACodec::IdleToExecutingState::stateEntered() {
3514    ALOGV("[%s] Now Idle->Executing", mCodec->mComponentName.c_str());
3515}
3516
3517bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3518    switch (msg->what()) {
3519        case kWhatShutdown:
3520        {
3521            mCodec->deferMessage(msg);
3522            return true;
3523        }
3524
3525        case kWhatResume:
3526        {
3527            // We'll be active soon enough.
3528            return true;
3529        }
3530
3531        case kWhatFlush:
3532        {
3533            // We haven't even started yet, so we're flushed alright...
3534            sp<AMessage> notify = mCodec->mNotify->dup();
3535            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3536            notify->post();
3537
3538            return true;
3539        }
3540
3541        case kWhatSignalEndOfInputStream:
3542        {
3543            mCodec->onSignalEndOfInputStream();
3544            return true;
3545        }
3546
3547        default:
3548            return BaseState::onMessageReceived(msg);
3549    }
3550}
3551
3552bool ACodec::IdleToExecutingState::onOMXEvent(
3553        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3554    switch (event) {
3555        case OMX_EventCmdComplete:
3556        {
3557            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3558            CHECK_EQ(data2, (OMX_U32)OMX_StateExecuting);
3559
3560            mCodec->mExecutingState->resume();
3561            mCodec->changeState(mCodec->mExecutingState);
3562
3563            return true;
3564        }
3565
3566        default:
3567            return BaseState::onOMXEvent(event, data1, data2);
3568    }
3569}
3570
3571////////////////////////////////////////////////////////////////////////////////
3572
3573ACodec::ExecutingState::ExecutingState(ACodec *codec)
3574    : BaseState(codec),
3575      mActive(false) {
3576}
3577
3578ACodec::BaseState::PortMode ACodec::ExecutingState::getPortMode(
3579        OMX_U32 portIndex) {
3580    return RESUBMIT_BUFFERS;
3581}
3582
3583void ACodec::ExecutingState::submitOutputBuffers() {
3584    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexOutput].size(); ++i) {
3585        BufferInfo *info = &mCodec->mBuffers[kPortIndexOutput].editItemAt(i);
3586
3587        if (mCodec->mNativeWindow != NULL) {
3588            CHECK(info->mStatus == BufferInfo::OWNED_BY_US
3589                    || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
3590
3591            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3592                continue;
3593            }
3594        } else {
3595            CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
3596        }
3597
3598        ALOGV("[%s] calling fillBuffer %p",
3599             mCodec->mComponentName.c_str(), info->mBufferID);
3600
3601        CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3602                 (status_t)OK);
3603
3604        info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3605    }
3606}
3607
3608void ACodec::ExecutingState::resume() {
3609    if (mActive) {
3610        ALOGV("[%s] We're already active, no need to resume.",
3611             mCodec->mComponentName.c_str());
3612
3613        return;
3614    }
3615
3616    submitOutputBuffers();
3617
3618    // Post the first input buffer.
3619    CHECK_GT(mCodec->mBuffers[kPortIndexInput].size(), 0u);
3620    BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(0);
3621
3622    postFillThisBuffer(info);
3623
3624    mActive = true;
3625}
3626
3627void ACodec::ExecutingState::stateEntered() {
3628    ALOGV("[%s] Now Executing", mCodec->mComponentName.c_str());
3629
3630    mCodec->processDeferredMessages();
3631}
3632
3633bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3634    bool handled = false;
3635
3636    switch (msg->what()) {
3637        case kWhatShutdown:
3638        {
3639            int32_t keepComponentAllocated;
3640            CHECK(msg->findInt32(
3641                        "keepComponentAllocated", &keepComponentAllocated));
3642
3643            mCodec->mShutdownInProgress = true;
3644            mCodec->mKeepComponentAllocated = keepComponentAllocated;
3645
3646            mActive = false;
3647
3648            CHECK_EQ(mCodec->mOMX->sendCommand(
3649                        mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3650                     (status_t)OK);
3651
3652            mCodec->changeState(mCodec->mExecutingToIdleState);
3653
3654            handled = true;
3655            break;
3656        }
3657
3658        case kWhatFlush:
3659        {
3660            ALOGV("[%s] ExecutingState flushing now "
3661                 "(codec owns %d/%d input, %d/%d output).",
3662                    mCodec->mComponentName.c_str(),
3663                    mCodec->countBuffersOwnedByComponent(kPortIndexInput),
3664                    mCodec->mBuffers[kPortIndexInput].size(),
3665                    mCodec->countBuffersOwnedByComponent(kPortIndexOutput),
3666                    mCodec->mBuffers[kPortIndexOutput].size());
3667
3668            mActive = false;
3669
3670            CHECK_EQ(mCodec->mOMX->sendCommand(
3671                        mCodec->mNode, OMX_CommandFlush, OMX_ALL),
3672                     (status_t)OK);
3673
3674            mCodec->changeState(mCodec->mFlushingState);
3675            handled = true;
3676            break;
3677        }
3678
3679        case kWhatResume:
3680        {
3681            resume();
3682
3683            handled = true;
3684            break;
3685        }
3686
3687        case kWhatRequestIDRFrame:
3688        {
3689            status_t err = mCodec->requestIDRFrame();
3690            if (err != OK) {
3691                ALOGW("Requesting an IDR frame failed.");
3692            }
3693
3694            handled = true;
3695            break;
3696        }
3697
3698        case kWhatSetParameters:
3699        {
3700            sp<AMessage> params;
3701            CHECK(msg->findMessage("params", &params));
3702
3703            status_t err = mCodec->setParameters(params);
3704
3705            sp<AMessage> reply;
3706            if (msg->findMessage("reply", &reply)) {
3707                reply->setInt32("err", err);
3708                reply->post();
3709            }
3710
3711            handled = true;
3712            break;
3713        }
3714
3715        case ACodec::kWhatSignalEndOfInputStream:
3716        {
3717            mCodec->onSignalEndOfInputStream();
3718            handled = true;
3719            break;
3720        }
3721
3722        default:
3723            handled = BaseState::onMessageReceived(msg);
3724            break;
3725    }
3726
3727    return handled;
3728}
3729
3730status_t ACodec::setParameters(const sp<AMessage> &params) {
3731    int32_t videoBitrate;
3732    if (params->findInt32("videoBitrate", &videoBitrate)) {
3733        OMX_VIDEO_CONFIG_BITRATETYPE configParams;
3734        InitOMXParams(&configParams);
3735        configParams.nPortIndex = kPortIndexOutput;
3736        configParams.nEncodeBitrate = videoBitrate;
3737
3738        status_t err = mOMX->setConfig(
3739                mNode,
3740                OMX_IndexConfigVideoBitrate,
3741                &configParams,
3742                sizeof(configParams));
3743
3744        if (err != OK) {
3745            ALOGE("setConfig(OMX_IndexConfigVideoBitrate, %d) failed w/ err %d",
3746                   videoBitrate, err);
3747
3748            return err;
3749        }
3750    }
3751
3752    return OK;
3753}
3754
3755void ACodec::onSignalEndOfInputStream() {
3756    sp<AMessage> notify = mNotify->dup();
3757    notify->setInt32("what", ACodec::kWhatSignaledInputEOS);
3758
3759    status_t err = mOMX->signalEndOfInputStream(mNode);
3760    if (err != OK) {
3761        notify->setInt32("err", err);
3762    }
3763    notify->post();
3764}
3765
3766bool ACodec::ExecutingState::onOMXEvent(
3767        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3768    switch (event) {
3769        case OMX_EventPortSettingsChanged:
3770        {
3771            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
3772
3773            if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
3774                CHECK_EQ(mCodec->mOMX->sendCommand(
3775                            mCodec->mNode,
3776                            OMX_CommandPortDisable, kPortIndexOutput),
3777                         (status_t)OK);
3778
3779                mCodec->freeOutputBuffersNotOwnedByComponent();
3780
3781                mCodec->changeState(mCodec->mOutputPortSettingsChangedState);
3782            } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
3783                mCodec->mSentFormat = false;
3784            } else {
3785                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
3786                     mCodec->mComponentName.c_str(), data2);
3787            }
3788
3789            return true;
3790        }
3791
3792        case OMX_EventBufferFlag:
3793        {
3794            return true;
3795        }
3796
3797        default:
3798            return BaseState::onOMXEvent(event, data1, data2);
3799    }
3800}
3801
3802////////////////////////////////////////////////////////////////////////////////
3803
3804ACodec::OutputPortSettingsChangedState::OutputPortSettingsChangedState(
3805        ACodec *codec)
3806    : BaseState(codec) {
3807}
3808
3809ACodec::BaseState::PortMode ACodec::OutputPortSettingsChangedState::getPortMode(
3810        OMX_U32 portIndex) {
3811    if (portIndex == kPortIndexOutput) {
3812        return FREE_BUFFERS;
3813    }
3814
3815    CHECK_EQ(portIndex, (OMX_U32)kPortIndexInput);
3816
3817    return RESUBMIT_BUFFERS;
3818}
3819
3820bool ACodec::OutputPortSettingsChangedState::onMessageReceived(
3821        const sp<AMessage> &msg) {
3822    bool handled = false;
3823
3824    switch (msg->what()) {
3825        case kWhatFlush:
3826        case kWhatShutdown:
3827        case kWhatResume:
3828        {
3829            if (msg->what() == kWhatResume) {
3830                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
3831            }
3832
3833            mCodec->deferMessage(msg);
3834            handled = true;
3835            break;
3836        }
3837
3838        default:
3839            handled = BaseState::onMessageReceived(msg);
3840            break;
3841    }
3842
3843    return handled;
3844}
3845
3846void ACodec::OutputPortSettingsChangedState::stateEntered() {
3847    ALOGV("[%s] Now handling output port settings change",
3848         mCodec->mComponentName.c_str());
3849}
3850
3851bool ACodec::OutputPortSettingsChangedState::onOMXEvent(
3852        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3853    switch (event) {
3854        case OMX_EventCmdComplete:
3855        {
3856            if (data1 == (OMX_U32)OMX_CommandPortDisable) {
3857                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
3858
3859                ALOGV("[%s] Output port now disabled.",
3860                        mCodec->mComponentName.c_str());
3861
3862                CHECK(mCodec->mBuffers[kPortIndexOutput].isEmpty());
3863                mCodec->mDealer[kPortIndexOutput].clear();
3864
3865                CHECK_EQ(mCodec->mOMX->sendCommand(
3866                            mCodec->mNode, OMX_CommandPortEnable, kPortIndexOutput),
3867                         (status_t)OK);
3868
3869                status_t err;
3870                if ((err = mCodec->allocateBuffersOnPort(
3871                                kPortIndexOutput)) != OK) {
3872                    ALOGE("Failed to allocate output port buffers after "
3873                         "port reconfiguration (error 0x%08x)",
3874                         err);
3875
3876                    mCodec->signalError(OMX_ErrorUndefined, err);
3877
3878                    // This is technically not correct, but appears to be
3879                    // the only way to free the component instance.
3880                    // Controlled transitioning from excecuting->idle
3881                    // and idle->loaded seem impossible probably because
3882                    // the output port never finishes re-enabling.
3883                    mCodec->mShutdownInProgress = true;
3884                    mCodec->mKeepComponentAllocated = false;
3885                    mCodec->changeState(mCodec->mLoadedState);
3886                }
3887
3888                return true;
3889            } else if (data1 == (OMX_U32)OMX_CommandPortEnable) {
3890                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
3891
3892                mCodec->mSentFormat = false;
3893
3894                ALOGV("[%s] Output port now reenabled.",
3895                        mCodec->mComponentName.c_str());
3896
3897                if (mCodec->mExecutingState->active()) {
3898                    mCodec->mExecutingState->submitOutputBuffers();
3899                }
3900
3901                mCodec->changeState(mCodec->mExecutingState);
3902
3903                return true;
3904            }
3905
3906            return false;
3907        }
3908
3909        default:
3910            return false;
3911    }
3912}
3913
3914////////////////////////////////////////////////////////////////////////////////
3915
3916ACodec::ExecutingToIdleState::ExecutingToIdleState(ACodec *codec)
3917    : BaseState(codec),
3918      mComponentNowIdle(false) {
3919}
3920
3921bool ACodec::ExecutingToIdleState::onMessageReceived(const sp<AMessage> &msg) {
3922    bool handled = false;
3923
3924    switch (msg->what()) {
3925        case kWhatFlush:
3926        {
3927            // Don't send me a flush request if you previously wanted me
3928            // to shutdown.
3929            TRESPASS();
3930            break;
3931        }
3932
3933        case kWhatShutdown:
3934        {
3935            // We're already doing that...
3936
3937            handled = true;
3938            break;
3939        }
3940
3941        default:
3942            handled = BaseState::onMessageReceived(msg);
3943            break;
3944    }
3945
3946    return handled;
3947}
3948
3949void ACodec::ExecutingToIdleState::stateEntered() {
3950    ALOGV("[%s] Now Executing->Idle", mCodec->mComponentName.c_str());
3951
3952    mComponentNowIdle = false;
3953    mCodec->mSentFormat = false;
3954}
3955
3956bool ACodec::ExecutingToIdleState::onOMXEvent(
3957        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3958    switch (event) {
3959        case OMX_EventCmdComplete:
3960        {
3961            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3962            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
3963
3964            mComponentNowIdle = true;
3965
3966            changeStateIfWeOwnAllBuffers();
3967
3968            return true;
3969        }
3970
3971        case OMX_EventPortSettingsChanged:
3972        case OMX_EventBufferFlag:
3973        {
3974            // We're shutting down and don't care about this anymore.
3975            return true;
3976        }
3977
3978        default:
3979            return BaseState::onOMXEvent(event, data1, data2);
3980    }
3981}
3982
3983void ACodec::ExecutingToIdleState::changeStateIfWeOwnAllBuffers() {
3984    if (mComponentNowIdle && mCodec->allYourBuffersAreBelongToUs()) {
3985        CHECK_EQ(mCodec->mOMX->sendCommand(
3986                    mCodec->mNode, OMX_CommandStateSet, OMX_StateLoaded),
3987                 (status_t)OK);
3988
3989        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexInput), (status_t)OK);
3990        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexOutput), (status_t)OK);
3991
3992        if (mCodec->mFlags & kFlagIsSecure && mCodec->mNativeWindow != NULL) {
3993            // We push enough 1x1 blank buffers to ensure that one of
3994            // them has made it to the display.  This allows the OMX
3995            // component teardown to zero out any protected buffers
3996            // without the risk of scanning out one of those buffers.
3997            mCodec->pushBlankBuffersToNativeWindow();
3998        }
3999
4000        mCodec->changeState(mCodec->mIdleToLoadedState);
4001    }
4002}
4003
4004void ACodec::ExecutingToIdleState::onInputBufferFilled(
4005        const sp<AMessage> &msg) {
4006    BaseState::onInputBufferFilled(msg);
4007
4008    changeStateIfWeOwnAllBuffers();
4009}
4010
4011void ACodec::ExecutingToIdleState::onOutputBufferDrained(
4012        const sp<AMessage> &msg) {
4013    BaseState::onOutputBufferDrained(msg);
4014
4015    changeStateIfWeOwnAllBuffers();
4016}
4017
4018////////////////////////////////////////////////////////////////////////////////
4019
4020ACodec::IdleToLoadedState::IdleToLoadedState(ACodec *codec)
4021    : BaseState(codec) {
4022}
4023
4024bool ACodec::IdleToLoadedState::onMessageReceived(const sp<AMessage> &msg) {
4025    bool handled = false;
4026
4027    switch (msg->what()) {
4028        case kWhatShutdown:
4029        {
4030            // We're already doing that...
4031
4032            handled = true;
4033            break;
4034        }
4035
4036        case kWhatFlush:
4037        {
4038            // Don't send me a flush request if you previously wanted me
4039            // to shutdown.
4040            TRESPASS();
4041            break;
4042        }
4043
4044        default:
4045            handled = BaseState::onMessageReceived(msg);
4046            break;
4047    }
4048
4049    return handled;
4050}
4051
4052void ACodec::IdleToLoadedState::stateEntered() {
4053    ALOGV("[%s] Now Idle->Loaded", mCodec->mComponentName.c_str());
4054}
4055
4056bool ACodec::IdleToLoadedState::onOMXEvent(
4057        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4058    switch (event) {
4059        case OMX_EventCmdComplete:
4060        {
4061            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4062            CHECK_EQ(data2, (OMX_U32)OMX_StateLoaded);
4063
4064            mCodec->changeState(mCodec->mLoadedState);
4065
4066            return true;
4067        }
4068
4069        default:
4070            return BaseState::onOMXEvent(event, data1, data2);
4071    }
4072}
4073
4074////////////////////////////////////////////////////////////////////////////////
4075
4076ACodec::FlushingState::FlushingState(ACodec *codec)
4077    : BaseState(codec) {
4078}
4079
4080void ACodec::FlushingState::stateEntered() {
4081    ALOGV("[%s] Now Flushing", mCodec->mComponentName.c_str());
4082
4083    mFlushComplete[kPortIndexInput] = mFlushComplete[kPortIndexOutput] = false;
4084}
4085
4086bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
4087    bool handled = false;
4088
4089    switch (msg->what()) {
4090        case kWhatShutdown:
4091        {
4092            mCodec->deferMessage(msg);
4093            break;
4094        }
4095
4096        case kWhatFlush:
4097        {
4098            // We're already doing this right now.
4099            handled = true;
4100            break;
4101        }
4102
4103        default:
4104            handled = BaseState::onMessageReceived(msg);
4105            break;
4106    }
4107
4108    return handled;
4109}
4110
4111bool ACodec::FlushingState::onOMXEvent(
4112        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4113    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
4114            mCodec->mComponentName.c_str(), event, data1);
4115
4116    switch (event) {
4117        case OMX_EventCmdComplete:
4118        {
4119            CHECK_EQ(data1, (OMX_U32)OMX_CommandFlush);
4120
4121            if (data2 == kPortIndexInput || data2 == kPortIndexOutput) {
4122                CHECK(!mFlushComplete[data2]);
4123                mFlushComplete[data2] = true;
4124
4125                if (mFlushComplete[kPortIndexInput]
4126                        && mFlushComplete[kPortIndexOutput]) {
4127                    changeStateIfWeOwnAllBuffers();
4128                }
4129            } else {
4130                CHECK_EQ(data2, OMX_ALL);
4131                CHECK(mFlushComplete[kPortIndexInput]);
4132                CHECK(mFlushComplete[kPortIndexOutput]);
4133
4134                changeStateIfWeOwnAllBuffers();
4135            }
4136
4137            return true;
4138        }
4139
4140        case OMX_EventPortSettingsChanged:
4141        {
4142            sp<AMessage> msg = new AMessage(kWhatOMXMessage, mCodec->id());
4143            msg->setInt32("type", omx_message::EVENT);
4144            msg->setPointer("node", mCodec->mNode);
4145            msg->setInt32("event", event);
4146            msg->setInt32("data1", data1);
4147            msg->setInt32("data2", data2);
4148
4149            ALOGV("[%s] Deferring OMX_EventPortSettingsChanged",
4150                 mCodec->mComponentName.c_str());
4151
4152            mCodec->deferMessage(msg);
4153
4154            return true;
4155        }
4156
4157        default:
4158            return BaseState::onOMXEvent(event, data1, data2);
4159    }
4160
4161    return true;
4162}
4163
4164void ACodec::FlushingState::onOutputBufferDrained(const sp<AMessage> &msg) {
4165    BaseState::onOutputBufferDrained(msg);
4166
4167    changeStateIfWeOwnAllBuffers();
4168}
4169
4170void ACodec::FlushingState::onInputBufferFilled(const sp<AMessage> &msg) {
4171    BaseState::onInputBufferFilled(msg);
4172
4173    changeStateIfWeOwnAllBuffers();
4174}
4175
4176void ACodec::FlushingState::changeStateIfWeOwnAllBuffers() {
4177    if (mFlushComplete[kPortIndexInput]
4178            && mFlushComplete[kPortIndexOutput]
4179            && mCodec->allYourBuffersAreBelongToUs()) {
4180        sp<AMessage> notify = mCodec->mNotify->dup();
4181        notify->setInt32("what", ACodec::kWhatFlushCompleted);
4182        notify->post();
4183
4184        mCodec->mPortEOS[kPortIndexInput] =
4185            mCodec->mPortEOS[kPortIndexOutput] = false;
4186
4187        mCodec->mInputEOSResult = OK;
4188
4189        if (mCodec->mSkipCutBuffer != NULL) {
4190            mCodec->mSkipCutBuffer->clear();
4191        }
4192
4193        mCodec->changeState(mCodec->mExecutingState);
4194    }
4195}
4196
4197}  // namespace android
4198