ACodec.cpp revision 308bcaa44e578279e61be32b572fdb0b11b1e4c7 
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      mUseMetadataOnEncoderOutput(false),
363      mShutdownInProgress(false),
364      mEncoderDelay(0),
365      mEncoderPadding(0),
366      mChannelMaskPresent(false),
367      mChannelMask(0) {
368    mUninitializedState = new UninitializedState(this);
369    mLoadedState = new LoadedState(this);
370    mLoadedToIdleState = new LoadedToIdleState(this);
371    mIdleToExecutingState = new IdleToExecutingState(this);
372    mExecutingState = new ExecutingState(this);
373
374    mOutputPortSettingsChangedState =
375        new OutputPortSettingsChangedState(this);
376
377    mExecutingToIdleState = new ExecutingToIdleState(this);
378    mIdleToLoadedState = new IdleToLoadedState(this);
379    mFlushingState = new FlushingState(this);
380
381    mPortEOS[kPortIndexInput] = mPortEOS[kPortIndexOutput] = false;
382    mInputEOSResult = OK;
383
384    changeState(mUninitializedState);
385}
386
387ACodec::~ACodec() {
388}
389
390void ACodec::setNotificationMessage(const sp<AMessage> &msg) {
391    mNotify = msg;
392}
393
394void ACodec::initiateSetup(const sp<AMessage> &msg) {
395    msg->setWhat(kWhatSetup);
396    msg->setTarget(id());
397    msg->post();
398}
399
400void ACodec::signalSetParameters(const sp<AMessage> &params) {
401    sp<AMessage> msg = new AMessage(kWhatSetParameters, id());
402    msg->setMessage("params", params);
403    msg->post();
404}
405
406void ACodec::initiateAllocateComponent(const sp<AMessage> &msg) {
407    msg->setWhat(kWhatAllocateComponent);
408    msg->setTarget(id());
409    msg->post();
410}
411
412void ACodec::initiateConfigureComponent(const sp<AMessage> &msg) {
413    msg->setWhat(kWhatConfigureComponent);
414    msg->setTarget(id());
415    msg->post();
416}
417
418void ACodec::initiateCreateInputSurface() {
419    (new AMessage(kWhatCreateInputSurface, id()))->post();
420}
421
422void ACodec::signalEndOfInputStream() {
423    (new AMessage(kWhatSignalEndOfInputStream, id()))->post();
424}
425
426void ACodec::initiateStart() {
427    (new AMessage(kWhatStart, id()))->post();
428}
429
430void ACodec::signalFlush() {
431    ALOGV("[%s] signalFlush", mComponentName.c_str());
432    (new AMessage(kWhatFlush, id()))->post();
433}
434
435void ACodec::signalResume() {
436    (new AMessage(kWhatResume, id()))->post();
437}
438
439void ACodec::initiateShutdown(bool keepComponentAllocated) {
440    sp<AMessage> msg = new AMessage(kWhatShutdown, id());
441    msg->setInt32("keepComponentAllocated", keepComponentAllocated);
442    msg->post();
443}
444
445void ACodec::signalRequestIDRFrame() {
446    (new AMessage(kWhatRequestIDRFrame, id()))->post();
447}
448
449status_t ACodec::allocateBuffersOnPort(OMX_U32 portIndex) {
450    CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput);
451
452    CHECK(mDealer[portIndex] == NULL);
453    CHECK(mBuffers[portIndex].isEmpty());
454
455    status_t err;
456    if (mNativeWindow != NULL && portIndex == kPortIndexOutput) {
457        err = allocateOutputBuffersFromNativeWindow();
458    } else {
459        OMX_PARAM_PORTDEFINITIONTYPE def;
460        InitOMXParams(&def);
461        def.nPortIndex = portIndex;
462
463        err = mOMX->getParameter(
464                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
465
466        if (err == OK) {
467            ALOGV("[%s] Allocating %lu buffers of size %lu on %s port",
468                    mComponentName.c_str(),
469                    def.nBufferCountActual, def.nBufferSize,
470                    portIndex == kPortIndexInput ? "input" : "output");
471
472            size_t totalSize = def.nBufferCountActual * def.nBufferSize;
473            mDealer[portIndex] = new MemoryDealer(totalSize, "ACodec");
474
475            for (OMX_U32 i = 0; i < def.nBufferCountActual; ++i) {
476                sp<IMemory> mem = mDealer[portIndex]->allocate(def.nBufferSize);
477                CHECK(mem.get() != NULL);
478
479                BufferInfo info;
480                info.mStatus = BufferInfo::OWNED_BY_US;
481
482                uint32_t requiresAllocateBufferBit =
483                    (portIndex == kPortIndexInput)
484                        ? OMXCodec::kRequiresAllocateBufferOnInputPorts
485                        : OMXCodec::kRequiresAllocateBufferOnOutputPorts;
486
487                if ((portIndex == kPortIndexInput && (mFlags & kFlagIsSecure))
488                        || mUseMetadataOnEncoderOutput) {
489                    mem.clear();
490
491                    void *ptr;
492                    err = mOMX->allocateBuffer(
493                            mNode, portIndex, def.nBufferSize, &info.mBufferID,
494                            &ptr);
495
496                    int32_t bufSize = mUseMetadataOnEncoderOutput ?
497                            (4 + sizeof(buffer_handle_t)) : def.nBufferSize;
498
499                    info.mData = new ABuffer(ptr, bufSize);
500                } else if (mQuirks & requiresAllocateBufferBit) {
501                    err = mOMX->allocateBufferWithBackup(
502                            mNode, portIndex, mem, &info.mBufferID);
503                } else {
504                    err = mOMX->useBuffer(mNode, portIndex, mem, &info.mBufferID);
505                }
506
507                if (mem != NULL) {
508                    info.mData = new ABuffer(mem->pointer(), def.nBufferSize);
509                }
510
511                mBuffers[portIndex].push(info);
512            }
513        }
514    }
515
516    if (err != OK) {
517        return err;
518    }
519
520    sp<AMessage> notify = mNotify->dup();
521    notify->setInt32("what", ACodec::kWhatBuffersAllocated);
522
523    notify->setInt32("portIndex", portIndex);
524
525    sp<PortDescription> desc = new PortDescription;
526
527    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
528        const BufferInfo &info = mBuffers[portIndex][i];
529
530        desc->addBuffer(info.mBufferID, info.mData);
531    }
532
533    notify->setObject("portDesc", desc);
534    notify->post();
535
536    return OK;
537}
538
539status_t ACodec::allocateOutputBuffersFromNativeWindow() {
540    OMX_PARAM_PORTDEFINITIONTYPE def;
541    InitOMXParams(&def);
542    def.nPortIndex = kPortIndexOutput;
543
544    status_t err = mOMX->getParameter(
545            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
546
547    if (err != OK) {
548        return err;
549    }
550
551    err = native_window_set_buffers_geometry(
552            mNativeWindow.get(),
553            def.format.video.nFrameWidth,
554            def.format.video.nFrameHeight,
555            def.format.video.eColorFormat);
556
557    if (err != 0) {
558        ALOGE("native_window_set_buffers_geometry failed: %s (%d)",
559                strerror(-err), -err);
560        return err;
561    }
562
563    // Set up the native window.
564    OMX_U32 usage = 0;
565    err = mOMX->getGraphicBufferUsage(mNode, kPortIndexOutput, &usage);
566    if (err != 0) {
567        ALOGW("querying usage flags from OMX IL component failed: %d", err);
568        // XXX: Currently this error is logged, but not fatal.
569        usage = 0;
570    }
571
572    if (mFlags & kFlagIsSecure) {
573        usage |= GRALLOC_USAGE_PROTECTED;
574    }
575
576    // Make sure to check whether either Stagefright or the video decoder
577    // requested protected buffers.
578    if (usage & GRALLOC_USAGE_PROTECTED) {
579        // Verify that the ANativeWindow sends images directly to
580        // SurfaceFlinger.
581        int queuesToNativeWindow = 0;
582        err = mNativeWindow->query(
583                mNativeWindow.get(), NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
584                &queuesToNativeWindow);
585        if (err != 0) {
586            ALOGE("error authenticating native window: %d", err);
587            return err;
588        }
589        if (queuesToNativeWindow != 1) {
590            ALOGE("native window could not be authenticated");
591            return PERMISSION_DENIED;
592        }
593    }
594
595    err = native_window_set_usage(
596            mNativeWindow.get(),
597            usage | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP);
598
599    if (err != 0) {
600        ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), -err);
601        return err;
602    }
603
604    int minUndequeuedBufs = 0;
605    err = mNativeWindow->query(
606            mNativeWindow.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
607            &minUndequeuedBufs);
608
609    if (err != 0) {
610        ALOGE("NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d)",
611                strerror(-err), -err);
612        return err;
613    }
614
615    // XXX: Is this the right logic to use?  It's not clear to me what the OMX
616    // buffer counts refer to - how do they account for the renderer holding on
617    // to buffers?
618    if (def.nBufferCountActual < def.nBufferCountMin + minUndequeuedBufs) {
619        OMX_U32 newBufferCount = def.nBufferCountMin + minUndequeuedBufs;
620        def.nBufferCountActual = newBufferCount;
621        err = mOMX->setParameter(
622                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
623
624        if (err != OK) {
625            ALOGE("[%s] setting nBufferCountActual to %lu failed: %d",
626                    mComponentName.c_str(), newBufferCount, err);
627            return err;
628        }
629    }
630
631    err = native_window_set_buffer_count(
632            mNativeWindow.get(), def.nBufferCountActual);
633
634    if (err != 0) {
635        ALOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-err),
636                -err);
637        return err;
638    }
639
640    ALOGV("[%s] Allocating %lu buffers from a native window of size %lu on "
641         "output port",
642         mComponentName.c_str(), def.nBufferCountActual, def.nBufferSize);
643
644    // Dequeue buffers and send them to OMX
645    for (OMX_U32 i = 0; i < def.nBufferCountActual; i++) {
646        ANativeWindowBuffer *buf;
647        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &buf);
648        if (err != 0) {
649            ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), -err);
650            break;
651        }
652
653        sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(buf, false));
654        BufferInfo info;
655        info.mStatus = BufferInfo::OWNED_BY_US;
656        info.mData = new ABuffer(NULL /* data */, def.nBufferSize /* capacity */);
657        info.mGraphicBuffer = graphicBuffer;
658        mBuffers[kPortIndexOutput].push(info);
659
660        IOMX::buffer_id bufferId;
661        err = mOMX->useGraphicBuffer(mNode, kPortIndexOutput, graphicBuffer,
662                &bufferId);
663        if (err != 0) {
664            ALOGE("registering GraphicBuffer %lu with OMX IL component failed: "
665                 "%d", i, err);
666            break;
667        }
668
669        mBuffers[kPortIndexOutput].editItemAt(i).mBufferID = bufferId;
670
671        ALOGV("[%s] Registered graphic buffer with ID %p (pointer = %p)",
672             mComponentName.c_str(),
673             bufferId, graphicBuffer.get());
674    }
675
676    OMX_U32 cancelStart;
677    OMX_U32 cancelEnd;
678
679    if (err != 0) {
680        // If an error occurred while dequeuing we need to cancel any buffers
681        // that were dequeued.
682        cancelStart = 0;
683        cancelEnd = mBuffers[kPortIndexOutput].size();
684    } else {
685        // Return the last two buffers to the native window.
686        cancelStart = def.nBufferCountActual - minUndequeuedBufs;
687        cancelEnd = def.nBufferCountActual;
688    }
689
690    for (OMX_U32 i = cancelStart; i < cancelEnd; i++) {
691        BufferInfo *info = &mBuffers[kPortIndexOutput].editItemAt(i);
692        cancelBufferToNativeWindow(info);
693    }
694
695    return err;
696}
697
698status_t ACodec::cancelBufferToNativeWindow(BufferInfo *info) {
699    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
700
701    ALOGV("[%s] Calling cancelBuffer on buffer %p",
702         mComponentName.c_str(), info->mBufferID);
703
704    int err = mNativeWindow->cancelBuffer(
705        mNativeWindow.get(), info->mGraphicBuffer.get(), -1);
706
707    CHECK_EQ(err, 0);
708
709    info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
710
711    return OK;
712}
713
714ACodec::BufferInfo *ACodec::dequeueBufferFromNativeWindow() {
715    ANativeWindowBuffer *buf;
716    int fenceFd = -1;
717    if (native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &buf) != 0) {
718        ALOGE("dequeueBuffer failed.");
719        return NULL;
720    }
721
722    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
723        BufferInfo *info =
724            &mBuffers[kPortIndexOutput].editItemAt(i);
725
726        if (info->mGraphicBuffer->handle == buf->handle) {
727            CHECK_EQ((int)info->mStatus,
728                     (int)BufferInfo::OWNED_BY_NATIVE_WINDOW);
729
730            info->mStatus = BufferInfo::OWNED_BY_US;
731
732            return info;
733        }
734    }
735
736    TRESPASS();
737
738    return NULL;
739}
740
741status_t ACodec::freeBuffersOnPort(OMX_U32 portIndex) {
742    for (size_t i = mBuffers[portIndex].size(); i-- > 0;) {
743        CHECK_EQ((status_t)OK, freeBuffer(portIndex, i));
744    }
745
746    mDealer[portIndex].clear();
747
748    return OK;
749}
750
751status_t ACodec::freeOutputBuffersNotOwnedByComponent() {
752    for (size_t i = mBuffers[kPortIndexOutput].size(); i-- > 0;) {
753        BufferInfo *info =
754            &mBuffers[kPortIndexOutput].editItemAt(i);
755
756        // At this time some buffers may still be with the component
757        // or being drained.
758        if (info->mStatus != BufferInfo::OWNED_BY_COMPONENT &&
759            info->mStatus != BufferInfo::OWNED_BY_DOWNSTREAM) {
760            CHECK_EQ((status_t)OK, freeBuffer(kPortIndexOutput, i));
761        }
762    }
763
764    return OK;
765}
766
767status_t ACodec::freeBuffer(OMX_U32 portIndex, size_t i) {
768    BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
769
770    CHECK(info->mStatus == BufferInfo::OWNED_BY_US
771            || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
772
773    if (portIndex == kPortIndexOutput && mNativeWindow != NULL
774            && info->mStatus == BufferInfo::OWNED_BY_US) {
775        CHECK_EQ((status_t)OK, cancelBufferToNativeWindow(info));
776    }
777
778    CHECK_EQ(mOMX->freeBuffer(
779                mNode, portIndex, info->mBufferID),
780             (status_t)OK);
781
782    mBuffers[portIndex].removeAt(i);
783
784    return OK;
785}
786
787ACodec::BufferInfo *ACodec::findBufferByID(
788        uint32_t portIndex, IOMX::buffer_id bufferID,
789        ssize_t *index) {
790    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
791        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
792
793        if (info->mBufferID == bufferID) {
794            if (index != NULL) {
795                *index = i;
796            }
797            return info;
798        }
799    }
800
801    TRESPASS();
802
803    return NULL;
804}
805
806status_t ACodec::setComponentRole(
807        bool isEncoder, const char *mime) {
808    struct MimeToRole {
809        const char *mime;
810        const char *decoderRole;
811        const char *encoderRole;
812    };
813
814    static const MimeToRole kMimeToRole[] = {
815        { MEDIA_MIMETYPE_AUDIO_MPEG,
816            "audio_decoder.mp3", "audio_encoder.mp3" },
817        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I,
818            "audio_decoder.mp1", "audio_encoder.mp1" },
819        { MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II,
820            "audio_decoder.mp2", "audio_encoder.mp2" },
821        { MEDIA_MIMETYPE_AUDIO_AMR_NB,
822            "audio_decoder.amrnb", "audio_encoder.amrnb" },
823        { MEDIA_MIMETYPE_AUDIO_AMR_WB,
824            "audio_decoder.amrwb", "audio_encoder.amrwb" },
825        { MEDIA_MIMETYPE_AUDIO_AAC,
826            "audio_decoder.aac", "audio_encoder.aac" },
827        { MEDIA_MIMETYPE_AUDIO_VORBIS,
828            "audio_decoder.vorbis", "audio_encoder.vorbis" },
829        { MEDIA_MIMETYPE_AUDIO_G711_MLAW,
830            "audio_decoder.g711mlaw", "audio_encoder.g711mlaw" },
831        { MEDIA_MIMETYPE_AUDIO_G711_ALAW,
832            "audio_decoder.g711alaw", "audio_encoder.g711alaw" },
833        { MEDIA_MIMETYPE_VIDEO_AVC,
834            "video_decoder.avc", "video_encoder.avc" },
835        { MEDIA_MIMETYPE_VIDEO_MPEG4,
836            "video_decoder.mpeg4", "video_encoder.mpeg4" },
837        { MEDIA_MIMETYPE_VIDEO_H263,
838            "video_decoder.h263", "video_encoder.h263" },
839        { MEDIA_MIMETYPE_VIDEO_VPX,
840            "video_decoder.vpx", "video_encoder.vpx" },
841        { MEDIA_MIMETYPE_AUDIO_RAW,
842            "audio_decoder.raw", "audio_encoder.raw" },
843        { MEDIA_MIMETYPE_AUDIO_FLAC,
844            "audio_decoder.flac", "audio_encoder.flac" },
845        { MEDIA_MIMETYPE_AUDIO_MSGSM,
846            "audio_decoder.gsm", "audio_encoder.gsm" },
847    };
848
849    static const size_t kNumMimeToRole =
850        sizeof(kMimeToRole) / sizeof(kMimeToRole[0]);
851
852    size_t i;
853    for (i = 0; i < kNumMimeToRole; ++i) {
854        if (!strcasecmp(mime, kMimeToRole[i].mime)) {
855            break;
856        }
857    }
858
859    if (i == kNumMimeToRole) {
860        return ERROR_UNSUPPORTED;
861    }
862
863    const char *role =
864        isEncoder ? kMimeToRole[i].encoderRole
865                  : kMimeToRole[i].decoderRole;
866
867    if (role != NULL) {
868        OMX_PARAM_COMPONENTROLETYPE roleParams;
869        InitOMXParams(&roleParams);
870
871        strncpy((char *)roleParams.cRole,
872                role, OMX_MAX_STRINGNAME_SIZE - 1);
873
874        roleParams.cRole[OMX_MAX_STRINGNAME_SIZE - 1] = '\0';
875
876        status_t err = mOMX->setParameter(
877                mNode, OMX_IndexParamStandardComponentRole,
878                &roleParams, sizeof(roleParams));
879
880        if (err != OK) {
881            ALOGW("[%s] Failed to set standard component role '%s'.",
882                 mComponentName.c_str(), role);
883
884            return err;
885        }
886    }
887
888    return OK;
889}
890
891status_t ACodec::configureCodec(
892        const char *mime, const sp<AMessage> &msg) {
893    int32_t encoder;
894    if (!msg->findInt32("encoder", &encoder)) {
895        encoder = false;
896    }
897
898    mIsEncoder = encoder;
899
900    status_t err = setComponentRole(encoder /* isEncoder */, mime);
901
902    if (err != OK) {
903        return err;
904    }
905
906    int32_t bitRate = 0;
907    // FLAC encoder doesn't need a bitrate, other encoders do
908    if (encoder && strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)
909            && !msg->findInt32("bitrate", &bitRate)) {
910        return INVALID_OPERATION;
911    }
912
913    int32_t storeMeta;
914    if (encoder
915            && msg->findInt32("store-metadata-in-buffers", &storeMeta)
916            && storeMeta != 0) {
917        err = mOMX->storeMetaDataInBuffers(mNode, kPortIndexInput, OMX_TRUE);
918
919        if (err != OK) {
920              ALOGE("[%s] storeMetaDataInBuffers (input) failed w/ err %d",
921                    mComponentName.c_str(), err);
922
923              return err;
924          }
925      }
926
927    int32_t prependSPSPPS = 0;
928    if (encoder
929            && msg->findInt32("prepend-sps-pps-to-idr-frames", &prependSPSPPS)
930            && prependSPSPPS != 0) {
931        OMX_INDEXTYPE index;
932        err = mOMX->getExtensionIndex(
933                mNode,
934                "OMX.google.android.index.prependSPSPPSToIDRFrames",
935                &index);
936
937        if (err == OK) {
938            PrependSPSPPSToIDRFramesParams params;
939            InitOMXParams(&params);
940            params.bEnable = OMX_TRUE;
941
942            err = mOMX->setParameter(
943                    mNode, index, &params, sizeof(params));
944        }
945
946        if (err != OK) {
947            ALOGE("Encoder could not be configured to emit SPS/PPS before "
948                  "IDR frames. (err %d)", err);
949
950            return err;
951        }
952    }
953
954    // Only enable metadata mode on encoder output if encoder can prepend
955    // sps/pps to idr frames, since in metadata mode the bitstream is in an
956    // opaque handle, to which we don't have access.
957    int32_t video = !strncasecmp(mime, "video/", 6);
958    if (encoder && video) {
959        OMX_BOOL enable = (OMX_BOOL) (prependSPSPPS
960            && msg->findInt32("store-metadata-in-buffers-output", &storeMeta)
961            && storeMeta != 0);
962
963        err = mOMX->storeMetaDataInBuffers(mNode, kPortIndexOutput, enable);
964
965        if (err != OK) {
966            ALOGE("[%s] storeMetaDataInBuffers (output) failed w/ err %d",
967                mComponentName.c_str(), err);
968            mUseMetadataOnEncoderOutput = 0;
969        } else {
970            mUseMetadataOnEncoderOutput = enable;
971        }
972    }
973
974    if (video) {
975        if (encoder) {
976            err = setupVideoEncoder(mime, msg);
977        } else {
978            int32_t width, height;
979            if (!msg->findInt32("width", &width)
980                    || !msg->findInt32("height", &height)) {
981                err = INVALID_OPERATION;
982            } else {
983                err = setupVideoDecoder(mime, width, height);
984            }
985        }
986    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) {
987        int32_t numChannels, sampleRate;
988        if (!msg->findInt32("channel-count", &numChannels)
989                || !msg->findInt32("sample-rate", &sampleRate)) {
990            // Since we did not always check for these, leave them optional
991            // and have the decoder figure it all out.
992            err = OK;
993        } else {
994            err = setupRawAudioFormat(
995                    encoder ? kPortIndexInput : kPortIndexOutput,
996                    sampleRate,
997                    numChannels);
998        }
999    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
1000        int32_t numChannels, sampleRate;
1001        if (!msg->findInt32("channel-count", &numChannels)
1002                || !msg->findInt32("sample-rate", &sampleRate)) {
1003            err = INVALID_OPERATION;
1004        } else {
1005            int32_t isADTS, aacProfile;
1006            if (!msg->findInt32("is-adts", &isADTS)) {
1007                isADTS = 0;
1008            }
1009            if (!msg->findInt32("aac-profile", &aacProfile)) {
1010                aacProfile = OMX_AUDIO_AACObjectNull;
1011            }
1012
1013            err = setupAACCodec(
1014                    encoder, numChannels, sampleRate, bitRate, aacProfile,
1015                    isADTS != 0);
1016        }
1017    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)) {
1018        err = setupAMRCodec(encoder, false /* isWAMR */, bitRate);
1019    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
1020        err = setupAMRCodec(encoder, true /* isWAMR */, bitRate);
1021    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_ALAW)
1022            || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_G711_MLAW)) {
1023        // These are PCM-like formats with a fixed sample rate but
1024        // a variable number of channels.
1025
1026        int32_t numChannels;
1027        if (!msg->findInt32("channel-count", &numChannels)) {
1028            err = INVALID_OPERATION;
1029        } else {
1030            err = setupG711Codec(encoder, numChannels);
1031        }
1032    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)) {
1033        int32_t numChannels, sampleRate, compressionLevel = -1;
1034        if (encoder &&
1035                (!msg->findInt32("channel-count", &numChannels)
1036                        || !msg->findInt32("sample-rate", &sampleRate))) {
1037            ALOGE("missing channel count or sample rate for FLAC encoder");
1038            err = INVALID_OPERATION;
1039        } else {
1040            if (encoder) {
1041                if (!msg->findInt32(
1042                            "flac-compression-level", &compressionLevel)) {
1043                    compressionLevel = 5;// default FLAC compression level
1044                } else if (compressionLevel < 0) {
1045                    ALOGW("compression level %d outside [0..8] range, "
1046                          "using 0",
1047                          compressionLevel);
1048                    compressionLevel = 0;
1049                } else if (compressionLevel > 8) {
1050                    ALOGW("compression level %d outside [0..8] range, "
1051                          "using 8",
1052                          compressionLevel);
1053                    compressionLevel = 8;
1054                }
1055            }
1056            err = setupFlacCodec(
1057                    encoder, numChannels, sampleRate, compressionLevel);
1058        }
1059    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
1060        int32_t numChannels, sampleRate;
1061        if (encoder
1062                || !msg->findInt32("channel-count", &numChannels)
1063                || !msg->findInt32("sample-rate", &sampleRate)) {
1064            err = INVALID_OPERATION;
1065        } else {
1066            err = setupRawAudioFormat(kPortIndexInput, sampleRate, numChannels);
1067        }
1068    }
1069
1070    if (err != OK) {
1071        return err;
1072    }
1073
1074    if (!msg->findInt32("encoder-delay", &mEncoderDelay)) {
1075        mEncoderDelay = 0;
1076    }
1077
1078    if (!msg->findInt32("encoder-padding", &mEncoderPadding)) {
1079        mEncoderPadding = 0;
1080    }
1081
1082    if (msg->findInt32("channel-mask", &mChannelMask)) {
1083        mChannelMaskPresent = true;
1084    } else {
1085        mChannelMaskPresent = false;
1086    }
1087
1088    int32_t maxInputSize;
1089    if (msg->findInt32("max-input-size", &maxInputSize)) {
1090        err = setMinBufferSize(kPortIndexInput, (size_t)maxInputSize);
1091    } else if (!strcmp("OMX.Nvidia.aac.decoder", mComponentName.c_str())) {
1092        err = setMinBufferSize(kPortIndexInput, 8192);  // XXX
1093    }
1094
1095    return err;
1096}
1097
1098status_t ACodec::setMinBufferSize(OMX_U32 portIndex, size_t size) {
1099    OMX_PARAM_PORTDEFINITIONTYPE def;
1100    InitOMXParams(&def);
1101    def.nPortIndex = portIndex;
1102
1103    status_t err = mOMX->getParameter(
1104            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1105
1106    if (err != OK) {
1107        return err;
1108    }
1109
1110    if (def.nBufferSize >= size) {
1111        return OK;
1112    }
1113
1114    def.nBufferSize = size;
1115
1116    err = mOMX->setParameter(
1117            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1118
1119    if (err != OK) {
1120        return err;
1121    }
1122
1123    err = mOMX->getParameter(
1124            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1125
1126    if (err != OK) {
1127        return err;
1128    }
1129
1130    CHECK(def.nBufferSize >= size);
1131
1132    return OK;
1133}
1134
1135status_t ACodec::selectAudioPortFormat(
1136        OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat) {
1137    OMX_AUDIO_PARAM_PORTFORMATTYPE format;
1138    InitOMXParams(&format);
1139
1140    format.nPortIndex = portIndex;
1141    for (OMX_U32 index = 0;; ++index) {
1142        format.nIndex = index;
1143
1144        status_t err = mOMX->getParameter(
1145                mNode, OMX_IndexParamAudioPortFormat,
1146                &format, sizeof(format));
1147
1148        if (err != OK) {
1149            return err;
1150        }
1151
1152        if (format.eEncoding == desiredFormat) {
1153            break;
1154        }
1155    }
1156
1157    return mOMX->setParameter(
1158            mNode, OMX_IndexParamAudioPortFormat, &format, sizeof(format));
1159}
1160
1161status_t ACodec::setupAACCodec(
1162        bool encoder, int32_t numChannels, int32_t sampleRate,
1163        int32_t bitRate, int32_t aacProfile, bool isADTS) {
1164    if (encoder && isADTS) {
1165        return -EINVAL;
1166    }
1167
1168    status_t err = setupRawAudioFormat(
1169            encoder ? kPortIndexInput : kPortIndexOutput,
1170            sampleRate,
1171            numChannels);
1172
1173    if (err != OK) {
1174        return err;
1175    }
1176
1177    if (encoder) {
1178        err = selectAudioPortFormat(kPortIndexOutput, OMX_AUDIO_CodingAAC);
1179
1180        if (err != OK) {
1181            return err;
1182        }
1183
1184        OMX_PARAM_PORTDEFINITIONTYPE def;
1185        InitOMXParams(&def);
1186        def.nPortIndex = kPortIndexOutput;
1187
1188        err = mOMX->getParameter(
1189                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1190
1191        if (err != OK) {
1192            return err;
1193        }
1194
1195        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
1196        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
1197
1198        err = mOMX->setParameter(
1199                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1200
1201        if (err != OK) {
1202            return err;
1203        }
1204
1205        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1206        InitOMXParams(&profile);
1207        profile.nPortIndex = kPortIndexOutput;
1208
1209        err = mOMX->getParameter(
1210                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1211
1212        if (err != OK) {
1213            return err;
1214        }
1215
1216        profile.nChannels = numChannels;
1217
1218        profile.eChannelMode =
1219            (numChannels == 1)
1220                ? OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo;
1221
1222        profile.nSampleRate = sampleRate;
1223        profile.nBitRate = bitRate;
1224        profile.nAudioBandWidth = 0;
1225        profile.nFrameLength = 0;
1226        profile.nAACtools = OMX_AUDIO_AACToolAll;
1227        profile.nAACERtools = OMX_AUDIO_AACERNone;
1228        profile.eAACProfile = (OMX_AUDIO_AACPROFILETYPE) aacProfile;
1229        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
1230
1231        err = mOMX->setParameter(
1232                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1233
1234        if (err != OK) {
1235            return err;
1236        }
1237
1238        return err;
1239    }
1240
1241    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
1242    InitOMXParams(&profile);
1243    profile.nPortIndex = kPortIndexInput;
1244
1245    err = mOMX->getParameter(
1246            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1247
1248    if (err != OK) {
1249        return err;
1250    }
1251
1252    profile.nChannels = numChannels;
1253    profile.nSampleRate = sampleRate;
1254
1255    profile.eAACStreamFormat =
1256        isADTS
1257            ? OMX_AUDIO_AACStreamFormatMP4ADTS
1258            : OMX_AUDIO_AACStreamFormatMP4FF;
1259
1260    return mOMX->setParameter(
1261            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
1262}
1263
1264static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(
1265        bool isAMRWB, int32_t bps) {
1266    if (isAMRWB) {
1267        if (bps <= 6600) {
1268            return OMX_AUDIO_AMRBandModeWB0;
1269        } else if (bps <= 8850) {
1270            return OMX_AUDIO_AMRBandModeWB1;
1271        } else if (bps <= 12650) {
1272            return OMX_AUDIO_AMRBandModeWB2;
1273        } else if (bps <= 14250) {
1274            return OMX_AUDIO_AMRBandModeWB3;
1275        } else if (bps <= 15850) {
1276            return OMX_AUDIO_AMRBandModeWB4;
1277        } else if (bps <= 18250) {
1278            return OMX_AUDIO_AMRBandModeWB5;
1279        } else if (bps <= 19850) {
1280            return OMX_AUDIO_AMRBandModeWB6;
1281        } else if (bps <= 23050) {
1282            return OMX_AUDIO_AMRBandModeWB7;
1283        }
1284
1285        // 23850 bps
1286        return OMX_AUDIO_AMRBandModeWB8;
1287    } else {  // AMRNB
1288        if (bps <= 4750) {
1289            return OMX_AUDIO_AMRBandModeNB0;
1290        } else if (bps <= 5150) {
1291            return OMX_AUDIO_AMRBandModeNB1;
1292        } else if (bps <= 5900) {
1293            return OMX_AUDIO_AMRBandModeNB2;
1294        } else if (bps <= 6700) {
1295            return OMX_AUDIO_AMRBandModeNB3;
1296        } else if (bps <= 7400) {
1297            return OMX_AUDIO_AMRBandModeNB4;
1298        } else if (bps <= 7950) {
1299            return OMX_AUDIO_AMRBandModeNB5;
1300        } else if (bps <= 10200) {
1301            return OMX_AUDIO_AMRBandModeNB6;
1302        }
1303
1304        // 12200 bps
1305        return OMX_AUDIO_AMRBandModeNB7;
1306    }
1307}
1308
1309status_t ACodec::setupAMRCodec(bool encoder, bool isWAMR, int32_t bitrate) {
1310    OMX_AUDIO_PARAM_AMRTYPE def;
1311    InitOMXParams(&def);
1312    def.nPortIndex = encoder ? kPortIndexOutput : kPortIndexInput;
1313
1314    status_t err =
1315        mOMX->getParameter(mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1316
1317    if (err != OK) {
1318        return err;
1319    }
1320
1321    def.eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;
1322    def.eAMRBandMode = pickModeFromBitRate(isWAMR, bitrate);
1323
1324    err = mOMX->setParameter(
1325            mNode, OMX_IndexParamAudioAmr, &def, sizeof(def));
1326
1327    if (err != OK) {
1328        return err;
1329    }
1330
1331    return setupRawAudioFormat(
1332            encoder ? kPortIndexInput : kPortIndexOutput,
1333            isWAMR ? 16000 : 8000 /* sampleRate */,
1334            1 /* numChannels */);
1335}
1336
1337status_t ACodec::setupG711Codec(bool encoder, int32_t numChannels) {
1338    CHECK(!encoder);  // XXX TODO
1339
1340    return setupRawAudioFormat(
1341            kPortIndexInput, 8000 /* sampleRate */, numChannels);
1342}
1343
1344status_t ACodec::setupFlacCodec(
1345        bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel) {
1346
1347    if (encoder) {
1348        OMX_AUDIO_PARAM_FLACTYPE def;
1349        InitOMXParams(&def);
1350        def.nPortIndex = kPortIndexOutput;
1351
1352        // configure compression level
1353        status_t err = mOMX->getParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1354        if (err != OK) {
1355            ALOGE("setupFlacCodec(): Error %d getting OMX_IndexParamAudioFlac parameter", err);
1356            return err;
1357        }
1358        def.nCompressionLevel = compressionLevel;
1359        err = mOMX->setParameter(mNode, OMX_IndexParamAudioFlac, &def, sizeof(def));
1360        if (err != OK) {
1361            ALOGE("setupFlacCodec(): Error %d setting OMX_IndexParamAudioFlac parameter", err);
1362            return err;
1363        }
1364    }
1365
1366    return setupRawAudioFormat(
1367            encoder ? kPortIndexInput : kPortIndexOutput,
1368            sampleRate,
1369            numChannels);
1370}
1371
1372status_t ACodec::setupRawAudioFormat(
1373        OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels) {
1374    OMX_PARAM_PORTDEFINITIONTYPE def;
1375    InitOMXParams(&def);
1376    def.nPortIndex = portIndex;
1377
1378    status_t err = mOMX->getParameter(
1379            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1380
1381    if (err != OK) {
1382        return err;
1383    }
1384
1385    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
1386
1387    err = mOMX->setParameter(
1388            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1389
1390    if (err != OK) {
1391        return err;
1392    }
1393
1394    OMX_AUDIO_PARAM_PCMMODETYPE pcmParams;
1395    InitOMXParams(&pcmParams);
1396    pcmParams.nPortIndex = portIndex;
1397
1398    err = mOMX->getParameter(
1399            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1400
1401    if (err != OK) {
1402        return err;
1403    }
1404
1405    pcmParams.nChannels = numChannels;
1406    pcmParams.eNumData = OMX_NumericalDataSigned;
1407    pcmParams.bInterleaved = OMX_TRUE;
1408    pcmParams.nBitPerSample = 16;
1409    pcmParams.nSamplingRate = sampleRate;
1410    pcmParams.ePCMMode = OMX_AUDIO_PCMModeLinear;
1411
1412    if (getOMXChannelMapping(numChannels, pcmParams.eChannelMapping) != OK) {
1413        return OMX_ErrorNone;
1414    }
1415
1416    return mOMX->setParameter(
1417            mNode, OMX_IndexParamAudioPcm, &pcmParams, sizeof(pcmParams));
1418}
1419
1420status_t ACodec::setVideoPortFormatType(
1421        OMX_U32 portIndex,
1422        OMX_VIDEO_CODINGTYPE compressionFormat,
1423        OMX_COLOR_FORMATTYPE colorFormat) {
1424    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1425    InitOMXParams(&format);
1426    format.nPortIndex = portIndex;
1427    format.nIndex = 0;
1428    bool found = false;
1429
1430    OMX_U32 index = 0;
1431    for (;;) {
1432        format.nIndex = index;
1433        status_t err = mOMX->getParameter(
1434                mNode, OMX_IndexParamVideoPortFormat,
1435                &format, sizeof(format));
1436
1437        if (err != OK) {
1438            return err;
1439        }
1440
1441        // The following assertion is violated by TI's video decoder.
1442        // CHECK_EQ(format.nIndex, index);
1443
1444        if (!strcmp("OMX.TI.Video.encoder", mComponentName.c_str())) {
1445            if (portIndex == kPortIndexInput
1446                    && colorFormat == format.eColorFormat) {
1447                // eCompressionFormat does not seem right.
1448                found = true;
1449                break;
1450            }
1451            if (portIndex == kPortIndexOutput
1452                    && compressionFormat == format.eCompressionFormat) {
1453                // eColorFormat does not seem right.
1454                found = true;
1455                break;
1456            }
1457        }
1458
1459        if (format.eCompressionFormat == compressionFormat
1460            && format.eColorFormat == colorFormat) {
1461            found = true;
1462            break;
1463        }
1464
1465        ++index;
1466    }
1467
1468    if (!found) {
1469        return UNKNOWN_ERROR;
1470    }
1471
1472    status_t err = mOMX->setParameter(
1473            mNode, OMX_IndexParamVideoPortFormat,
1474            &format, sizeof(format));
1475
1476    return err;
1477}
1478
1479status_t ACodec::setSupportedOutputFormat() {
1480    OMX_VIDEO_PARAM_PORTFORMATTYPE format;
1481    InitOMXParams(&format);
1482    format.nPortIndex = kPortIndexOutput;
1483    format.nIndex = 0;
1484
1485    status_t err = mOMX->getParameter(
1486            mNode, OMX_IndexParamVideoPortFormat,
1487            &format, sizeof(format));
1488    CHECK_EQ(err, (status_t)OK);
1489    CHECK_EQ((int)format.eCompressionFormat, (int)OMX_VIDEO_CodingUnused);
1490
1491    return mOMX->setParameter(
1492            mNode, OMX_IndexParamVideoPortFormat,
1493            &format, sizeof(format));
1494}
1495
1496static const struct VideoCodingMapEntry {
1497    const char *mMime;
1498    OMX_VIDEO_CODINGTYPE mVideoCodingType;
1499} kVideoCodingMapEntry[] = {
1500    { MEDIA_MIMETYPE_VIDEO_AVC, OMX_VIDEO_CodingAVC },
1501    { MEDIA_MIMETYPE_VIDEO_MPEG4, OMX_VIDEO_CodingMPEG4 },
1502    { MEDIA_MIMETYPE_VIDEO_H263, OMX_VIDEO_CodingH263 },
1503    { MEDIA_MIMETYPE_VIDEO_MPEG2, OMX_VIDEO_CodingMPEG2 },
1504    { MEDIA_MIMETYPE_VIDEO_VPX, OMX_VIDEO_CodingVPX },
1505};
1506
1507static status_t GetVideoCodingTypeFromMime(
1508        const char *mime, OMX_VIDEO_CODINGTYPE *codingType) {
1509    for (size_t i = 0;
1510         i < sizeof(kVideoCodingMapEntry) / sizeof(kVideoCodingMapEntry[0]);
1511         ++i) {
1512        if (!strcasecmp(mime, kVideoCodingMapEntry[i].mMime)) {
1513            *codingType = kVideoCodingMapEntry[i].mVideoCodingType;
1514            return OK;
1515        }
1516    }
1517
1518    *codingType = OMX_VIDEO_CodingUnused;
1519
1520    return ERROR_UNSUPPORTED;
1521}
1522
1523static status_t GetMimeTypeForVideoCoding(
1524        OMX_VIDEO_CODINGTYPE codingType, AString *mime) {
1525    for (size_t i = 0;
1526         i < sizeof(kVideoCodingMapEntry) / sizeof(kVideoCodingMapEntry[0]);
1527         ++i) {
1528        if (codingType == kVideoCodingMapEntry[i].mVideoCodingType) {
1529            *mime = kVideoCodingMapEntry[i].mMime;
1530            return OK;
1531        }
1532    }
1533
1534    mime->clear();
1535
1536    return ERROR_UNSUPPORTED;
1537}
1538
1539status_t ACodec::setupVideoDecoder(
1540        const char *mime, int32_t width, int32_t height) {
1541    OMX_VIDEO_CODINGTYPE compressionFormat;
1542    status_t err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1543
1544    if (err != OK) {
1545        return err;
1546    }
1547
1548    err = setVideoPortFormatType(
1549            kPortIndexInput, compressionFormat, OMX_COLOR_FormatUnused);
1550
1551    if (err != OK) {
1552        return err;
1553    }
1554
1555    err = setSupportedOutputFormat();
1556
1557    if (err != OK) {
1558        return err;
1559    }
1560
1561    err = setVideoFormatOnPort(
1562            kPortIndexInput, width, height, compressionFormat);
1563
1564    if (err != OK) {
1565        return err;
1566    }
1567
1568    err = setVideoFormatOnPort(
1569            kPortIndexOutput, width, height, OMX_VIDEO_CodingUnused);
1570
1571    if (err != OK) {
1572        return err;
1573    }
1574
1575    return OK;
1576}
1577
1578status_t ACodec::setupVideoEncoder(const char *mime, const sp<AMessage> &msg) {
1579    int32_t tmp;
1580    if (!msg->findInt32("color-format", &tmp)) {
1581        return INVALID_OPERATION;
1582    }
1583
1584    OMX_COLOR_FORMATTYPE colorFormat =
1585        static_cast<OMX_COLOR_FORMATTYPE>(tmp);
1586
1587    status_t err = setVideoPortFormatType(
1588            kPortIndexInput, OMX_VIDEO_CodingUnused, colorFormat);
1589
1590    if (err != OK) {
1591        ALOGE("[%s] does not support color format %d",
1592              mComponentName.c_str(), colorFormat);
1593
1594        return err;
1595    }
1596
1597    /* Input port configuration */
1598
1599    OMX_PARAM_PORTDEFINITIONTYPE def;
1600    InitOMXParams(&def);
1601
1602    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
1603
1604    def.nPortIndex = kPortIndexInput;
1605
1606    err = mOMX->getParameter(
1607            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1608
1609    if (err != OK) {
1610        return err;
1611    }
1612
1613    int32_t width, height, bitrate;
1614    if (!msg->findInt32("width", &width)
1615            || !msg->findInt32("height", &height)
1616            || !msg->findInt32("bitrate", &bitrate)) {
1617        return INVALID_OPERATION;
1618    }
1619
1620    video_def->nFrameWidth = width;
1621    video_def->nFrameHeight = height;
1622
1623    int32_t stride;
1624    if (!msg->findInt32("stride", &stride)) {
1625        stride = width;
1626    }
1627
1628    video_def->nStride = stride;
1629
1630    int32_t sliceHeight;
1631    if (!msg->findInt32("slice-height", &sliceHeight)) {
1632        sliceHeight = height;
1633    }
1634
1635    video_def->nSliceHeight = sliceHeight;
1636
1637    def.nBufferSize = (video_def->nStride * video_def->nSliceHeight * 3) / 2;
1638
1639    float frameRate;
1640    if (!msg->findFloat("frame-rate", &frameRate)) {
1641        int32_t tmp;
1642        if (!msg->findInt32("frame-rate", &tmp)) {
1643            return INVALID_OPERATION;
1644        }
1645        frameRate = (float)tmp;
1646    }
1647
1648    video_def->xFramerate = (OMX_U32)(frameRate * 65536.0f);
1649    video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
1650    video_def->eColorFormat = colorFormat;
1651
1652    err = mOMX->setParameter(
1653            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1654
1655    if (err != OK) {
1656        ALOGE("[%s] failed to set input port definition parameters.",
1657              mComponentName.c_str());
1658
1659        return err;
1660    }
1661
1662    /* Output port configuration */
1663
1664    OMX_VIDEO_CODINGTYPE compressionFormat;
1665    err = GetVideoCodingTypeFromMime(mime, &compressionFormat);
1666
1667    if (err != OK) {
1668        return err;
1669    }
1670
1671    err = setVideoPortFormatType(
1672            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
1673
1674    if (err != OK) {
1675        ALOGE("[%s] does not support compression format %d",
1676             mComponentName.c_str(), compressionFormat);
1677
1678        return err;
1679    }
1680
1681    def.nPortIndex = kPortIndexOutput;
1682
1683    err = mOMX->getParameter(
1684            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1685
1686    if (err != OK) {
1687        return err;
1688    }
1689
1690    video_def->nFrameWidth = width;
1691    video_def->nFrameHeight = height;
1692    video_def->xFramerate = 0;
1693    video_def->nBitrate = bitrate;
1694    video_def->eCompressionFormat = compressionFormat;
1695    video_def->eColorFormat = OMX_COLOR_FormatUnused;
1696
1697    err = mOMX->setParameter(
1698            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
1699
1700    if (err != OK) {
1701        ALOGE("[%s] failed to set output port definition parameters.",
1702              mComponentName.c_str());
1703
1704        return err;
1705    }
1706
1707    switch (compressionFormat) {
1708        case OMX_VIDEO_CodingMPEG4:
1709            err = setupMPEG4EncoderParameters(msg);
1710            break;
1711
1712        case OMX_VIDEO_CodingH263:
1713            err = setupH263EncoderParameters(msg);
1714            break;
1715
1716        case OMX_VIDEO_CodingAVC:
1717            err = setupAVCEncoderParameters(msg);
1718            break;
1719
1720        default:
1721            break;
1722    }
1723
1724    ALOGI("setupVideoEncoder succeeded");
1725
1726    return err;
1727}
1728
1729status_t ACodec::setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode) {
1730    OMX_VIDEO_PARAM_INTRAREFRESHTYPE params;
1731    InitOMXParams(&params);
1732    params.nPortIndex = kPortIndexOutput;
1733
1734    params.eRefreshMode = static_cast<OMX_VIDEO_INTRAREFRESHTYPE>(mode);
1735
1736    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshCyclic ||
1737            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
1738        int32_t mbs;
1739        if (!msg->findInt32("intra-refresh-CIR-mbs", &mbs)) {
1740            return INVALID_OPERATION;
1741        }
1742        params.nCirMBs = mbs;
1743    }
1744
1745    if (params.eRefreshMode == OMX_VIDEO_IntraRefreshAdaptive ||
1746            params.eRefreshMode == OMX_VIDEO_IntraRefreshBoth) {
1747        int32_t mbs;
1748        if (!msg->findInt32("intra-refresh-AIR-mbs", &mbs)) {
1749            return INVALID_OPERATION;
1750        }
1751        params.nAirMBs = mbs;
1752
1753        int32_t ref;
1754        if (!msg->findInt32("intra-refresh-AIR-ref", &ref)) {
1755            return INVALID_OPERATION;
1756        }
1757        params.nAirRef = ref;
1758    }
1759
1760    status_t err = mOMX->setParameter(
1761            mNode, OMX_IndexParamVideoIntraRefresh,
1762            &params, sizeof(params));
1763    return err;
1764}
1765
1766static OMX_U32 setPFramesSpacing(int32_t iFramesInterval, int32_t frameRate) {
1767    if (iFramesInterval < 0) {
1768        return 0xFFFFFFFF;
1769    } else if (iFramesInterval == 0) {
1770        return 0;
1771    }
1772    OMX_U32 ret = frameRate * iFramesInterval;
1773    CHECK(ret > 1);
1774    return ret;
1775}
1776
1777static OMX_VIDEO_CONTROLRATETYPE getBitrateMode(const sp<AMessage> &msg) {
1778    int32_t tmp;
1779    if (!msg->findInt32("bitrate-mode", &tmp)) {
1780        return OMX_Video_ControlRateVariable;
1781    }
1782
1783    return static_cast<OMX_VIDEO_CONTROLRATETYPE>(tmp);
1784}
1785
1786status_t ACodec::setupMPEG4EncoderParameters(const sp<AMessage> &msg) {
1787    int32_t bitrate, iFrameInterval;
1788    if (!msg->findInt32("bitrate", &bitrate)
1789            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1790        return INVALID_OPERATION;
1791    }
1792
1793    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1794
1795    float frameRate;
1796    if (!msg->findFloat("frame-rate", &frameRate)) {
1797        int32_t tmp;
1798        if (!msg->findInt32("frame-rate", &tmp)) {
1799            return INVALID_OPERATION;
1800        }
1801        frameRate = (float)tmp;
1802    }
1803
1804    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
1805    InitOMXParams(&mpeg4type);
1806    mpeg4type.nPortIndex = kPortIndexOutput;
1807
1808    status_t err = mOMX->getParameter(
1809            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1810
1811    if (err != OK) {
1812        return err;
1813    }
1814
1815    mpeg4type.nSliceHeaderSpacing = 0;
1816    mpeg4type.bSVH = OMX_FALSE;
1817    mpeg4type.bGov = OMX_FALSE;
1818
1819    mpeg4type.nAllowedPictureTypes =
1820        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1821
1822    mpeg4type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1823    if (mpeg4type.nPFrames == 0) {
1824        mpeg4type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1825    }
1826    mpeg4type.nBFrames = 0;
1827    mpeg4type.nIDCVLCThreshold = 0;
1828    mpeg4type.bACPred = OMX_TRUE;
1829    mpeg4type.nMaxPacketSize = 256;
1830    mpeg4type.nTimeIncRes = 1000;
1831    mpeg4type.nHeaderExtension = 0;
1832    mpeg4type.bReversibleVLC = OMX_FALSE;
1833
1834    int32_t profile;
1835    if (msg->findInt32("profile", &profile)) {
1836        int32_t level;
1837        if (!msg->findInt32("level", &level)) {
1838            return INVALID_OPERATION;
1839        }
1840
1841        err = verifySupportForProfileAndLevel(profile, level);
1842
1843        if (err != OK) {
1844            return err;
1845        }
1846
1847        mpeg4type.eProfile = static_cast<OMX_VIDEO_MPEG4PROFILETYPE>(profile);
1848        mpeg4type.eLevel = static_cast<OMX_VIDEO_MPEG4LEVELTYPE>(level);
1849    }
1850
1851    err = mOMX->setParameter(
1852            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
1853
1854    if (err != OK) {
1855        return err;
1856    }
1857
1858    err = configureBitrate(bitrate, bitrateMode);
1859
1860    if (err != OK) {
1861        return err;
1862    }
1863
1864    return setupErrorCorrectionParameters();
1865}
1866
1867status_t ACodec::setupH263EncoderParameters(const sp<AMessage> &msg) {
1868    int32_t bitrate, iFrameInterval;
1869    if (!msg->findInt32("bitrate", &bitrate)
1870            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1871        return INVALID_OPERATION;
1872    }
1873
1874    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1875
1876    float frameRate;
1877    if (!msg->findFloat("frame-rate", &frameRate)) {
1878        int32_t tmp;
1879        if (!msg->findInt32("frame-rate", &tmp)) {
1880            return INVALID_OPERATION;
1881        }
1882        frameRate = (float)tmp;
1883    }
1884
1885    OMX_VIDEO_PARAM_H263TYPE h263type;
1886    InitOMXParams(&h263type);
1887    h263type.nPortIndex = kPortIndexOutput;
1888
1889    status_t err = mOMX->getParameter(
1890            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1891
1892    if (err != OK) {
1893        return err;
1894    }
1895
1896    h263type.nAllowedPictureTypes =
1897        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1898
1899    h263type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
1900    if (h263type.nPFrames == 0) {
1901        h263type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
1902    }
1903    h263type.nBFrames = 0;
1904
1905    int32_t profile;
1906    if (msg->findInt32("profile", &profile)) {
1907        int32_t level;
1908        if (!msg->findInt32("level", &level)) {
1909            return INVALID_OPERATION;
1910        }
1911
1912        err = verifySupportForProfileAndLevel(profile, level);
1913
1914        if (err != OK) {
1915            return err;
1916        }
1917
1918        h263type.eProfile = static_cast<OMX_VIDEO_H263PROFILETYPE>(profile);
1919        h263type.eLevel = static_cast<OMX_VIDEO_H263LEVELTYPE>(level);
1920    }
1921
1922    h263type.bPLUSPTYPEAllowed = OMX_FALSE;
1923    h263type.bForceRoundingTypeToZero = OMX_FALSE;
1924    h263type.nPictureHeaderRepetition = 0;
1925    h263type.nGOBHeaderInterval = 0;
1926
1927    err = mOMX->setParameter(
1928            mNode, OMX_IndexParamVideoH263, &h263type, sizeof(h263type));
1929
1930    if (err != OK) {
1931        return err;
1932    }
1933
1934    err = configureBitrate(bitrate, bitrateMode);
1935
1936    if (err != OK) {
1937        return err;
1938    }
1939
1940    return setupErrorCorrectionParameters();
1941}
1942
1943status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
1944    int32_t bitrate, iFrameInterval;
1945    if (!msg->findInt32("bitrate", &bitrate)
1946            || !msg->findInt32("i-frame-interval", &iFrameInterval)) {
1947        return INVALID_OPERATION;
1948    }
1949
1950    OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg);
1951
1952    float frameRate;
1953    if (!msg->findFloat("frame-rate", &frameRate)) {
1954        int32_t tmp;
1955        if (!msg->findInt32("frame-rate", &tmp)) {
1956            return INVALID_OPERATION;
1957        }
1958        frameRate = (float)tmp;
1959    }
1960
1961    status_t err = OK;
1962    int32_t intraRefreshMode = 0;
1963    if (msg->findInt32("intra-refresh-mode", &intraRefreshMode)) {
1964        err = setCyclicIntraMacroblockRefresh(msg, intraRefreshMode);
1965        if (err != OK) {
1966            ALOGE("Setting intra macroblock refresh mode (%d) failed: 0x%x",
1967                    err, intraRefreshMode);
1968            return err;
1969        }
1970    }
1971
1972    OMX_VIDEO_PARAM_AVCTYPE h264type;
1973    InitOMXParams(&h264type);
1974    h264type.nPortIndex = kPortIndexOutput;
1975
1976    err = mOMX->getParameter(
1977            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
1978
1979    if (err != OK) {
1980        return err;
1981    }
1982
1983    h264type.nAllowedPictureTypes =
1984        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
1985
1986    int32_t profile;
1987    if (msg->findInt32("profile", &profile)) {
1988        int32_t level;
1989        if (!msg->findInt32("level", &level)) {
1990            return INVALID_OPERATION;
1991        }
1992
1993        err = verifySupportForProfileAndLevel(profile, level);
1994
1995        if (err != OK) {
1996            return err;
1997        }
1998
1999        h264type.eProfile = static_cast<OMX_VIDEO_AVCPROFILETYPE>(profile);
2000        h264type.eLevel = static_cast<OMX_VIDEO_AVCLEVELTYPE>(level);
2001    }
2002
2003    // XXX
2004    if (h264type.eProfile != OMX_VIDEO_AVCProfileBaseline) {
2005        ALOGW("Use baseline profile instead of %d for AVC recording",
2006            h264type.eProfile);
2007        h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
2008    }
2009
2010    if (h264type.eProfile == OMX_VIDEO_AVCProfileBaseline) {
2011        h264type.nSliceHeaderSpacing = 0;
2012        h264type.bUseHadamard = OMX_TRUE;
2013        h264type.nRefFrames = 1;
2014        h264type.nBFrames = 0;
2015        h264type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate);
2016        if (h264type.nPFrames == 0) {
2017            h264type.nAllowedPictureTypes = OMX_VIDEO_PictureTypeI;
2018        }
2019        h264type.nRefIdx10ActiveMinus1 = 0;
2020        h264type.nRefIdx11ActiveMinus1 = 0;
2021        h264type.bEntropyCodingCABAC = OMX_FALSE;
2022        h264type.bWeightedPPrediction = OMX_FALSE;
2023        h264type.bconstIpred = OMX_FALSE;
2024        h264type.bDirect8x8Inference = OMX_FALSE;
2025        h264type.bDirectSpatialTemporal = OMX_FALSE;
2026        h264type.nCabacInitIdc = 0;
2027    }
2028
2029    if (h264type.nBFrames != 0) {
2030        h264type.nAllowedPictureTypes |= OMX_VIDEO_PictureTypeB;
2031    }
2032
2033    h264type.bEnableUEP = OMX_FALSE;
2034    h264type.bEnableFMO = OMX_FALSE;
2035    h264type.bEnableASO = OMX_FALSE;
2036    h264type.bEnableRS = OMX_FALSE;
2037    h264type.bFrameMBsOnly = OMX_TRUE;
2038    h264type.bMBAFF = OMX_FALSE;
2039    h264type.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
2040
2041    err = mOMX->setParameter(
2042            mNode, OMX_IndexParamVideoAvc, &h264type, sizeof(h264type));
2043
2044    if (err != OK) {
2045        return err;
2046    }
2047
2048    return configureBitrate(bitrate, bitrateMode);
2049}
2050
2051status_t ACodec::verifySupportForProfileAndLevel(
2052        int32_t profile, int32_t level) {
2053    OMX_VIDEO_PARAM_PROFILELEVELTYPE params;
2054    InitOMXParams(&params);
2055    params.nPortIndex = kPortIndexOutput;
2056
2057    for (params.nProfileIndex = 0;; ++params.nProfileIndex) {
2058        status_t err = mOMX->getParameter(
2059                mNode,
2060                OMX_IndexParamVideoProfileLevelQuerySupported,
2061                &params,
2062                sizeof(params));
2063
2064        if (err != OK) {
2065            return err;
2066        }
2067
2068        int32_t supportedProfile = static_cast<int32_t>(params.eProfile);
2069        int32_t supportedLevel = static_cast<int32_t>(params.eLevel);
2070
2071        if (profile == supportedProfile && level <= supportedLevel) {
2072            return OK;
2073        }
2074    }
2075}
2076
2077status_t ACodec::configureBitrate(
2078        int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode) {
2079    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
2080    InitOMXParams(&bitrateType);
2081    bitrateType.nPortIndex = kPortIndexOutput;
2082
2083    status_t err = mOMX->getParameter(
2084            mNode, OMX_IndexParamVideoBitrate,
2085            &bitrateType, sizeof(bitrateType));
2086
2087    if (err != OK) {
2088        return err;
2089    }
2090
2091    bitrateType.eControlRate = bitrateMode;
2092    bitrateType.nTargetBitrate = bitrate;
2093
2094    return mOMX->setParameter(
2095            mNode, OMX_IndexParamVideoBitrate,
2096            &bitrateType, sizeof(bitrateType));
2097}
2098
2099status_t ACodec::setupErrorCorrectionParameters() {
2100    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
2101    InitOMXParams(&errorCorrectionType);
2102    errorCorrectionType.nPortIndex = kPortIndexOutput;
2103
2104    status_t err = mOMX->getParameter(
2105            mNode, OMX_IndexParamVideoErrorCorrection,
2106            &errorCorrectionType, sizeof(errorCorrectionType));
2107
2108    if (err != OK) {
2109        return OK;  // Optional feature. Ignore this failure
2110    }
2111
2112    errorCorrectionType.bEnableHEC = OMX_FALSE;
2113    errorCorrectionType.bEnableResync = OMX_TRUE;
2114    errorCorrectionType.nResynchMarkerSpacing = 256;
2115    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
2116    errorCorrectionType.bEnableRVLC = OMX_FALSE;
2117
2118    return mOMX->setParameter(
2119            mNode, OMX_IndexParamVideoErrorCorrection,
2120            &errorCorrectionType, sizeof(errorCorrectionType));
2121}
2122
2123status_t ACodec::setVideoFormatOnPort(
2124        OMX_U32 portIndex,
2125        int32_t width, int32_t height, OMX_VIDEO_CODINGTYPE compressionFormat) {
2126    OMX_PARAM_PORTDEFINITIONTYPE def;
2127    InitOMXParams(&def);
2128    def.nPortIndex = portIndex;
2129
2130    OMX_VIDEO_PORTDEFINITIONTYPE *video_def = &def.format.video;
2131
2132    status_t err = mOMX->getParameter(
2133            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2134
2135    CHECK_EQ(err, (status_t)OK);
2136
2137    if (portIndex == kPortIndexInput) {
2138        // XXX Need a (much) better heuristic to compute input buffer sizes.
2139        const size_t X = 64 * 1024;
2140        if (def.nBufferSize < X) {
2141            def.nBufferSize = X;
2142        }
2143    }
2144
2145    CHECK_EQ((int)def.eDomain, (int)OMX_PortDomainVideo);
2146
2147    video_def->nFrameWidth = width;
2148    video_def->nFrameHeight = height;
2149
2150    if (portIndex == kPortIndexInput) {
2151        video_def->eCompressionFormat = compressionFormat;
2152        video_def->eColorFormat = OMX_COLOR_FormatUnused;
2153    }
2154
2155    err = mOMX->setParameter(
2156            mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
2157
2158    return err;
2159}
2160
2161status_t ACodec::initNativeWindow() {
2162    if (mNativeWindow != NULL) {
2163        return mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_TRUE);
2164    }
2165
2166    mOMX->enableGraphicBuffers(mNode, kPortIndexOutput, OMX_FALSE);
2167    return OK;
2168}
2169
2170size_t ACodec::countBuffersOwnedByComponent(OMX_U32 portIndex) const {
2171    size_t n = 0;
2172
2173    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2174        const BufferInfo &info = mBuffers[portIndex].itemAt(i);
2175
2176        if (info.mStatus == BufferInfo::OWNED_BY_COMPONENT) {
2177            ++n;
2178        }
2179    }
2180
2181    return n;
2182}
2183
2184size_t ACodec::countBuffersOwnedByNativeWindow() const {
2185    size_t n = 0;
2186
2187    for (size_t i = 0; i < mBuffers[kPortIndexOutput].size(); ++i) {
2188        const BufferInfo &info = mBuffers[kPortIndexOutput].itemAt(i);
2189
2190        if (info.mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2191            ++n;
2192        }
2193    }
2194
2195    return n;
2196}
2197
2198void ACodec::waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs() {
2199    if (mNativeWindow == NULL) {
2200        return;
2201    }
2202
2203    int minUndequeuedBufs = 0;
2204    status_t err = mNativeWindow->query(
2205            mNativeWindow.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
2206            &minUndequeuedBufs);
2207
2208    if (err != OK) {
2209        ALOGE("[%s] NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS query failed: %s (%d)",
2210                mComponentName.c_str(), strerror(-err), -err);
2211
2212        minUndequeuedBufs = 0;
2213    }
2214
2215    while (countBuffersOwnedByNativeWindow() > (size_t)minUndequeuedBufs
2216            && dequeueBufferFromNativeWindow() != NULL) {
2217    }
2218}
2219
2220bool ACodec::allYourBuffersAreBelongToUs(
2221        OMX_U32 portIndex) {
2222    for (size_t i = 0; i < mBuffers[portIndex].size(); ++i) {
2223        BufferInfo *info = &mBuffers[portIndex].editItemAt(i);
2224
2225        if (info->mStatus != BufferInfo::OWNED_BY_US
2226                && info->mStatus != BufferInfo::OWNED_BY_NATIVE_WINDOW) {
2227            ALOGV("[%s] Buffer %p on port %ld still has status %d",
2228                    mComponentName.c_str(),
2229                    info->mBufferID, portIndex, info->mStatus);
2230            return false;
2231        }
2232    }
2233
2234    return true;
2235}
2236
2237bool ACodec::allYourBuffersAreBelongToUs() {
2238    return allYourBuffersAreBelongToUs(kPortIndexInput)
2239        && allYourBuffersAreBelongToUs(kPortIndexOutput);
2240}
2241
2242void ACodec::deferMessage(const sp<AMessage> &msg) {
2243    bool wasEmptyBefore = mDeferredQueue.empty();
2244    mDeferredQueue.push_back(msg);
2245}
2246
2247void ACodec::processDeferredMessages() {
2248    List<sp<AMessage> > queue = mDeferredQueue;
2249    mDeferredQueue.clear();
2250
2251    List<sp<AMessage> >::iterator it = queue.begin();
2252    while (it != queue.end()) {
2253        onMessageReceived(*it++);
2254    }
2255}
2256
2257void ACodec::sendFormatChange() {
2258    sp<AMessage> notify = mNotify->dup();
2259    notify->setInt32("what", kWhatOutputFormatChanged);
2260
2261    OMX_PARAM_PORTDEFINITIONTYPE def;
2262    InitOMXParams(&def);
2263    def.nPortIndex = kPortIndexOutput;
2264
2265    CHECK_EQ(mOMX->getParameter(
2266                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def)),
2267             (status_t)OK);
2268
2269    CHECK_EQ((int)def.eDir, (int)OMX_DirOutput);
2270
2271    switch (def.eDomain) {
2272        case OMX_PortDomainVideo:
2273        {
2274            OMX_VIDEO_PORTDEFINITIONTYPE *videoDef = &def.format.video;
2275
2276            AString mime;
2277            if (!mIsEncoder) {
2278                notify->setString("mime", MEDIA_MIMETYPE_VIDEO_RAW);
2279            } else if (GetMimeTypeForVideoCoding(
2280                        videoDef->eCompressionFormat, &mime) != OK) {
2281                notify->setString("mime", "application/octet-stream");
2282            } else {
2283                notify->setString("mime", mime.c_str());
2284            }
2285
2286            notify->setInt32("width", videoDef->nFrameWidth);
2287            notify->setInt32("height", videoDef->nFrameHeight);
2288
2289            if (!mIsEncoder) {
2290                notify->setInt32("stride", videoDef->nStride);
2291                notify->setInt32("slice-height", videoDef->nSliceHeight);
2292                notify->setInt32("color-format", videoDef->eColorFormat);
2293
2294                OMX_CONFIG_RECTTYPE rect;
2295                InitOMXParams(&rect);
2296                rect.nPortIndex = kPortIndexOutput;
2297
2298                if (mOMX->getConfig(
2299                            mNode, OMX_IndexConfigCommonOutputCrop,
2300                            &rect, sizeof(rect)) != OK) {
2301                    rect.nLeft = 0;
2302                    rect.nTop = 0;
2303                    rect.nWidth = videoDef->nFrameWidth;
2304                    rect.nHeight = videoDef->nFrameHeight;
2305                }
2306
2307                CHECK_GE(rect.nLeft, 0);
2308                CHECK_GE(rect.nTop, 0);
2309                CHECK_GE(rect.nWidth, 0u);
2310                CHECK_GE(rect.nHeight, 0u);
2311                CHECK_LE(rect.nLeft + rect.nWidth - 1, videoDef->nFrameWidth);
2312                CHECK_LE(rect.nTop + rect.nHeight - 1, videoDef->nFrameHeight);
2313
2314                notify->setRect(
2315                        "crop",
2316                        rect.nLeft,
2317                        rect.nTop,
2318                        rect.nLeft + rect.nWidth - 1,
2319                        rect.nTop + rect.nHeight - 1);
2320
2321                if (mNativeWindow != NULL) {
2322                    android_native_rect_t crop;
2323                    crop.left = rect.nLeft;
2324                    crop.top = rect.nTop;
2325                    crop.right = rect.nLeft + rect.nWidth;
2326                    crop.bottom = rect.nTop + rect.nHeight;
2327
2328                    CHECK_EQ(0, native_window_set_crop(
2329                                mNativeWindow.get(), &crop));
2330                }
2331            }
2332            break;
2333        }
2334
2335        case OMX_PortDomainAudio:
2336        {
2337            OMX_AUDIO_PORTDEFINITIONTYPE *audioDef = &def.format.audio;
2338
2339            switch (audioDef->eEncoding) {
2340                case OMX_AUDIO_CodingPCM:
2341                {
2342                    OMX_AUDIO_PARAM_PCMMODETYPE params;
2343                    InitOMXParams(&params);
2344                    params.nPortIndex = kPortIndexOutput;
2345
2346                    CHECK_EQ(mOMX->getParameter(
2347                                mNode, OMX_IndexParamAudioPcm,
2348                                &params, sizeof(params)),
2349                             (status_t)OK);
2350
2351                    CHECK(params.nChannels == 1 || params.bInterleaved);
2352                    CHECK_EQ(params.nBitPerSample, 16u);
2353                    CHECK_EQ((int)params.eNumData, (int)OMX_NumericalDataSigned);
2354                    CHECK_EQ((int)params.ePCMMode, (int)OMX_AUDIO_PCMModeLinear);
2355
2356                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_RAW);
2357                    notify->setInt32("channel-count", params.nChannels);
2358                    notify->setInt32("sample-rate", params.nSamplingRate);
2359                    if (mEncoderDelay + mEncoderPadding) {
2360                        size_t frameSize = params.nChannels * sizeof(int16_t);
2361                        if (mSkipCutBuffer != NULL) {
2362                            size_t prevbufsize = mSkipCutBuffer->size();
2363                            if (prevbufsize != 0) {
2364                                ALOGW("Replacing SkipCutBuffer holding %d bytes", prevbufsize);
2365                            }
2366                        }
2367                        mSkipCutBuffer = new SkipCutBuffer(mEncoderDelay * frameSize,
2368                                                           mEncoderPadding * frameSize);
2369                    }
2370
2371                    if (mChannelMaskPresent) {
2372                        notify->setInt32("channel-mask", mChannelMask);
2373                    }
2374                    break;
2375                }
2376
2377                case OMX_AUDIO_CodingAAC:
2378                {
2379                    OMX_AUDIO_PARAM_AACPROFILETYPE params;
2380                    InitOMXParams(&params);
2381                    params.nPortIndex = kPortIndexOutput;
2382
2383                    CHECK_EQ(mOMX->getParameter(
2384                                mNode, OMX_IndexParamAudioAac,
2385                                &params, sizeof(params)),
2386                             (status_t)OK);
2387
2388                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
2389                    notify->setInt32("channel-count", params.nChannels);
2390                    notify->setInt32("sample-rate", params.nSampleRate);
2391                    break;
2392                }
2393
2394                case OMX_AUDIO_CodingAMR:
2395                {
2396                    OMX_AUDIO_PARAM_AMRTYPE params;
2397                    InitOMXParams(&params);
2398                    params.nPortIndex = kPortIndexOutput;
2399
2400                    CHECK_EQ(mOMX->getParameter(
2401                                mNode, OMX_IndexParamAudioAmr,
2402                                &params, sizeof(params)),
2403                             (status_t)OK);
2404
2405                    notify->setInt32("channel-count", 1);
2406                    if (params.eAMRBandMode >= OMX_AUDIO_AMRBandModeWB0) {
2407                        notify->setString(
2408                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
2409
2410                        notify->setInt32("sample-rate", 16000);
2411                    } else {
2412                        notify->setString(
2413                                "mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
2414
2415                        notify->setInt32("sample-rate", 8000);
2416                    }
2417                    break;
2418                }
2419
2420                case OMX_AUDIO_CodingFLAC:
2421                {
2422                    OMX_AUDIO_PARAM_FLACTYPE params;
2423                    InitOMXParams(&params);
2424                    params.nPortIndex = kPortIndexOutput;
2425
2426                    CHECK_EQ(mOMX->getParameter(
2427                                mNode, OMX_IndexParamAudioFlac,
2428                                &params, sizeof(params)),
2429                             (status_t)OK);
2430
2431                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_FLAC);
2432                    notify->setInt32("channel-count", params.nChannels);
2433                    notify->setInt32("sample-rate", params.nSampleRate);
2434                    break;
2435                }
2436
2437                default:
2438                    TRESPASS();
2439            }
2440            break;
2441        }
2442
2443        default:
2444            TRESPASS();
2445    }
2446
2447    notify->post();
2448
2449    mSentFormat = true;
2450}
2451
2452void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
2453    sp<AMessage> notify = mNotify->dup();
2454    notify->setInt32("what", ACodec::kWhatError);
2455    notify->setInt32("omx-error", error);
2456    notify->setInt32("err", internalError);
2457    notify->post();
2458}
2459
2460status_t ACodec::pushBlankBuffersToNativeWindow() {
2461    status_t err = NO_ERROR;
2462    ANativeWindowBuffer* anb = NULL;
2463    int numBufs = 0;
2464    int minUndequeuedBufs = 0;
2465
2466    // We need to reconnect to the ANativeWindow as a CPU client to ensure that
2467    // no frames get dropped by SurfaceFlinger assuming that these are video
2468    // frames.
2469    err = native_window_api_disconnect(mNativeWindow.get(),
2470            NATIVE_WINDOW_API_MEDIA);
2471    if (err != NO_ERROR) {
2472        ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2473                strerror(-err), -err);
2474        return err;
2475    }
2476
2477    err = native_window_api_connect(mNativeWindow.get(),
2478            NATIVE_WINDOW_API_CPU);
2479    if (err != NO_ERROR) {
2480        ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2481                strerror(-err), -err);
2482        return err;
2483    }
2484
2485    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
2486            HAL_PIXEL_FORMAT_RGBX_8888);
2487    if (err != NO_ERROR) {
2488        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
2489                strerror(-err), -err);
2490        goto error;
2491    }
2492
2493    err = native_window_set_usage(mNativeWindow.get(),
2494            GRALLOC_USAGE_SW_WRITE_OFTEN);
2495    if (err != NO_ERROR) {
2496        ALOGE("error pushing blank frames: set_usage failed: %s (%d)",
2497                strerror(-err), -err);
2498        goto error;
2499    }
2500
2501    err = mNativeWindow->query(mNativeWindow.get(),
2502            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
2503    if (err != NO_ERROR) {
2504        ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
2505                "failed: %s (%d)", strerror(-err), -err);
2506        goto error;
2507    }
2508
2509    numBufs = minUndequeuedBufs + 1;
2510    err = native_window_set_buffer_count(mNativeWindow.get(), numBufs);
2511    if (err != NO_ERROR) {
2512        ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)",
2513                strerror(-err), -err);
2514        goto error;
2515    }
2516
2517    // We  push numBufs + 1 buffers to ensure that we've drawn into the same
2518    // buffer twice.  This should guarantee that the buffer has been displayed
2519    // on the screen and then been replaced, so an previous video frames are
2520    // guaranteed NOT to be currently displayed.
2521    for (int i = 0; i < numBufs + 1; i++) {
2522        int fenceFd = -1;
2523        err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), &anb);
2524        if (err != NO_ERROR) {
2525            ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
2526                    strerror(-err), -err);
2527            goto error;
2528        }
2529
2530        sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
2531
2532        // Fill the buffer with the a 1x1 checkerboard pattern ;)
2533        uint32_t* img = NULL;
2534        err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
2535        if (err != NO_ERROR) {
2536            ALOGE("error pushing blank frames: lock failed: %s (%d)",
2537                    strerror(-err), -err);
2538            goto error;
2539        }
2540
2541        *img = 0;
2542
2543        err = buf->unlock();
2544        if (err != NO_ERROR) {
2545            ALOGE("error pushing blank frames: unlock failed: %s (%d)",
2546                    strerror(-err), -err);
2547            goto error;
2548        }
2549
2550        err = mNativeWindow->queueBuffer(mNativeWindow.get(),
2551                buf->getNativeBuffer(), -1);
2552        if (err != NO_ERROR) {
2553            ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)",
2554                    strerror(-err), -err);
2555            goto error;
2556        }
2557
2558        anb = NULL;
2559    }
2560
2561error:
2562
2563    if (err != NO_ERROR) {
2564        // Clean up after an error.
2565        if (anb != NULL) {
2566            mNativeWindow->cancelBuffer(mNativeWindow.get(), anb, -1);
2567        }
2568
2569        native_window_api_disconnect(mNativeWindow.get(),
2570                NATIVE_WINDOW_API_CPU);
2571        native_window_api_connect(mNativeWindow.get(),
2572                NATIVE_WINDOW_API_MEDIA);
2573
2574        return err;
2575    } else {
2576        // Clean up after success.
2577        err = native_window_api_disconnect(mNativeWindow.get(),
2578                NATIVE_WINDOW_API_CPU);
2579        if (err != NO_ERROR) {
2580            ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)",
2581                    strerror(-err), -err);
2582            return err;
2583        }
2584
2585        err = native_window_api_connect(mNativeWindow.get(),
2586                NATIVE_WINDOW_API_MEDIA);
2587        if (err != NO_ERROR) {
2588            ALOGE("error pushing blank frames: api_connect failed: %s (%d)",
2589                    strerror(-err), -err);
2590            return err;
2591        }
2592
2593        return NO_ERROR;
2594    }
2595}
2596
2597////////////////////////////////////////////////////////////////////////////////
2598
2599ACodec::PortDescription::PortDescription() {
2600}
2601
2602status_t ACodec::requestIDRFrame() {
2603    if (!mIsEncoder) {
2604        return ERROR_UNSUPPORTED;
2605    }
2606
2607    OMX_CONFIG_INTRAREFRESHVOPTYPE params;
2608    InitOMXParams(&params);
2609
2610    params.nPortIndex = kPortIndexOutput;
2611    params.IntraRefreshVOP = OMX_TRUE;
2612
2613    return mOMX->setConfig(
2614            mNode,
2615            OMX_IndexConfigVideoIntraVOPRefresh,
2616            &params,
2617            sizeof(params));
2618}
2619
2620void ACodec::PortDescription::addBuffer(
2621        IOMX::buffer_id id, const sp<ABuffer> &buffer) {
2622    mBufferIDs.push_back(id);
2623    mBuffers.push_back(buffer);
2624}
2625
2626size_t ACodec::PortDescription::countBuffers() {
2627    return mBufferIDs.size();
2628}
2629
2630IOMX::buffer_id ACodec::PortDescription::bufferIDAt(size_t index) const {
2631    return mBufferIDs.itemAt(index);
2632}
2633
2634sp<ABuffer> ACodec::PortDescription::bufferAt(size_t index) const {
2635    return mBuffers.itemAt(index);
2636}
2637
2638////////////////////////////////////////////////////////////////////////////////
2639
2640ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
2641    : AState(parentState),
2642      mCodec(codec) {
2643}
2644
2645ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(OMX_U32 portIndex) {
2646    return KEEP_BUFFERS;
2647}
2648
2649bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
2650    switch (msg->what()) {
2651        case kWhatInputBufferFilled:
2652        {
2653            onInputBufferFilled(msg);
2654            break;
2655        }
2656
2657        case kWhatOutputBufferDrained:
2658        {
2659            onOutputBufferDrained(msg);
2660            break;
2661        }
2662
2663        case ACodec::kWhatOMXMessage:
2664        {
2665            return onOMXMessage(msg);
2666        }
2667
2668        case ACodec::kWhatCreateInputSurface:
2669        case ACodec::kWhatSignalEndOfInputStream:
2670        {
2671            ALOGE("Message 0x%x was not handled", msg->what());
2672            mCodec->signalError(OMX_ErrorUndefined, INVALID_OPERATION);
2673            return true;
2674        }
2675
2676        case ACodec::kWhatOMXDied:
2677        {
2678            ALOGE("OMX/mediaserver died, signalling error!");
2679            mCodec->signalError(OMX_ErrorResourcesLost, DEAD_OBJECT);
2680            break;
2681        }
2682
2683        default:
2684            return false;
2685    }
2686
2687    return true;
2688}
2689
2690bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
2691    int32_t type;
2692    CHECK(msg->findInt32("type", &type));
2693
2694    IOMX::node_id nodeID;
2695    CHECK(msg->findPointer("node", &nodeID));
2696    CHECK_EQ(nodeID, mCodec->mNode);
2697
2698    switch (type) {
2699        case omx_message::EVENT:
2700        {
2701            int32_t event, data1, data2;
2702            CHECK(msg->findInt32("event", &event));
2703            CHECK(msg->findInt32("data1", &data1));
2704            CHECK(msg->findInt32("data2", &data2));
2705
2706            if (event == OMX_EventCmdComplete
2707                    && data1 == OMX_CommandFlush
2708                    && data2 == (int32_t)OMX_ALL) {
2709                // Use of this notification is not consistent across
2710                // implementations. We'll drop this notification and rely
2711                // on flush-complete notifications on the individual port
2712                // indices instead.
2713
2714                return true;
2715            }
2716
2717            return onOMXEvent(
2718                    static_cast<OMX_EVENTTYPE>(event),
2719                    static_cast<OMX_U32>(data1),
2720                    static_cast<OMX_U32>(data2));
2721        }
2722
2723        case omx_message::EMPTY_BUFFER_DONE:
2724        {
2725            IOMX::buffer_id bufferID;
2726            CHECK(msg->findPointer("buffer", &bufferID));
2727
2728            return onOMXEmptyBufferDone(bufferID);
2729        }
2730
2731        case omx_message::FILL_BUFFER_DONE:
2732        {
2733            IOMX::buffer_id bufferID;
2734            CHECK(msg->findPointer("buffer", &bufferID));
2735
2736            int32_t rangeOffset, rangeLength, flags;
2737            int64_t timeUs;
2738            void *platformPrivate;
2739            void *dataPtr;
2740
2741            CHECK(msg->findInt32("range_offset", &rangeOffset));
2742            CHECK(msg->findInt32("range_length", &rangeLength));
2743            CHECK(msg->findInt32("flags", &flags));
2744            CHECK(msg->findInt64("timestamp", &timeUs));
2745            CHECK(msg->findPointer("platform_private", &platformPrivate));
2746            CHECK(msg->findPointer("data_ptr", &dataPtr));
2747
2748            return onOMXFillBufferDone(
2749                    bufferID,
2750                    (size_t)rangeOffset, (size_t)rangeLength,
2751                    (OMX_U32)flags,
2752                    timeUs,
2753                    platformPrivate,
2754                    dataPtr);
2755        }
2756
2757        default:
2758            TRESPASS();
2759            break;
2760    }
2761}
2762
2763bool ACodec::BaseState::onOMXEvent(
2764        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
2765    if (event != OMX_EventError) {
2766        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
2767             mCodec->mComponentName.c_str(), event, data1, data2);
2768
2769        return false;
2770    }
2771
2772    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
2773
2774    mCodec->signalError((OMX_ERRORTYPE)data1);
2775
2776    return true;
2777}
2778
2779bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
2780    ALOGV("[%s] onOMXEmptyBufferDone %p",
2781         mCodec->mComponentName.c_str(), bufferID);
2782
2783    BufferInfo *info =
2784        mCodec->findBufferByID(kPortIndexInput, bufferID);
2785
2786    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
2787    info->mStatus = BufferInfo::OWNED_BY_US;
2788
2789    const sp<AMessage> &bufferMeta = info->mData->meta();
2790    void *mediaBuffer;
2791    if (bufferMeta->findPointer("mediaBuffer", &mediaBuffer)
2792            && mediaBuffer != NULL) {
2793        // We're in "store-metadata-in-buffers" mode, the underlying
2794        // OMX component had access to data that's implicitly refcounted
2795        // by this "mediaBuffer" object. Now that the OMX component has
2796        // told us that it's done with the input buffer, we can decrement
2797        // the mediaBuffer's reference count.
2798
2799        ALOGV("releasing mbuf %p", mediaBuffer);
2800
2801        ((MediaBuffer *)mediaBuffer)->release();
2802        mediaBuffer = NULL;
2803
2804        bufferMeta->setPointer("mediaBuffer", NULL);
2805    }
2806
2807    PortMode mode = getPortMode(kPortIndexInput);
2808
2809    switch (mode) {
2810        case KEEP_BUFFERS:
2811            break;
2812
2813        case RESUBMIT_BUFFERS:
2814            postFillThisBuffer(info);
2815            break;
2816
2817        default:
2818        {
2819            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2820            TRESPASS();  // Not currently used
2821            break;
2822        }
2823    }
2824
2825    return true;
2826}
2827
2828void ACodec::BaseState::postFillThisBuffer(BufferInfo *info) {
2829    if (mCodec->mPortEOS[kPortIndexInput]) {
2830        return;
2831    }
2832
2833    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
2834
2835    sp<AMessage> notify = mCodec->mNotify->dup();
2836    notify->setInt32("what", ACodec::kWhatFillThisBuffer);
2837    notify->setPointer("buffer-id", info->mBufferID);
2838
2839    info->mData->meta()->clear();
2840    notify->setBuffer("buffer", info->mData);
2841
2842    sp<AMessage> reply = new AMessage(kWhatInputBufferFilled, mCodec->id());
2843    reply->setPointer("buffer-id", info->mBufferID);
2844
2845    notify->setMessage("reply", reply);
2846
2847    notify->post();
2848
2849    info->mStatus = BufferInfo::OWNED_BY_UPSTREAM;
2850}
2851
2852void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
2853    IOMX::buffer_id bufferID;
2854    CHECK(msg->findPointer("buffer-id", &bufferID));
2855
2856    sp<ABuffer> buffer;
2857    int32_t err = OK;
2858    bool eos = false;
2859
2860    if (!msg->findBuffer("buffer", &buffer)) {
2861        CHECK(msg->findInt32("err", &err));
2862
2863        ALOGV("[%s] saw error %d instead of an input buffer",
2864             mCodec->mComponentName.c_str(), err);
2865
2866        buffer.clear();
2867
2868        eos = true;
2869    }
2870
2871    int32_t tmp;
2872    if (buffer != NULL && buffer->meta()->findInt32("eos", &tmp) && tmp) {
2873        eos = true;
2874        err = ERROR_END_OF_STREAM;
2875    }
2876
2877    BufferInfo *info = mCodec->findBufferByID(kPortIndexInput, bufferID);
2878    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_UPSTREAM);
2879
2880    info->mStatus = BufferInfo::OWNED_BY_US;
2881
2882    PortMode mode = getPortMode(kPortIndexInput);
2883
2884    switch (mode) {
2885        case KEEP_BUFFERS:
2886        {
2887            if (eos) {
2888                if (!mCodec->mPortEOS[kPortIndexInput]) {
2889                    mCodec->mPortEOS[kPortIndexInput] = true;
2890                    mCodec->mInputEOSResult = err;
2891                }
2892            }
2893            break;
2894        }
2895
2896        case RESUBMIT_BUFFERS:
2897        {
2898            if (buffer != NULL && !mCodec->mPortEOS[kPortIndexInput]) {
2899                int64_t timeUs;
2900                CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
2901
2902                OMX_U32 flags = OMX_BUFFERFLAG_ENDOFFRAME;
2903
2904                int32_t isCSD;
2905                if (buffer->meta()->findInt32("csd", &isCSD) && isCSD != 0) {
2906                    flags |= OMX_BUFFERFLAG_CODECCONFIG;
2907                }
2908
2909                if (eos) {
2910                    flags |= OMX_BUFFERFLAG_EOS;
2911                }
2912
2913                if (buffer != info->mData) {
2914                    ALOGV("[%s] Needs to copy input data for buffer %p. (%p != %p)",
2915                         mCodec->mComponentName.c_str(),
2916                         bufferID,
2917                         buffer.get(), info->mData.get());
2918
2919                    CHECK_LE(buffer->size(), info->mData->capacity());
2920                    memcpy(info->mData->data(), buffer->data(), buffer->size());
2921                }
2922
2923                if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
2924                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
2925                         mCodec->mComponentName.c_str(), bufferID);
2926                } else if (flags & OMX_BUFFERFLAG_EOS) {
2927                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
2928                         mCodec->mComponentName.c_str(), bufferID);
2929                } else {
2930#if TRACK_BUFFER_TIMING
2931                    ALOGI("[%s] calling emptyBuffer %p w/ time %lld us",
2932                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2933#else
2934                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
2935                         mCodec->mComponentName.c_str(), bufferID, timeUs);
2936#endif
2937                }
2938
2939#if TRACK_BUFFER_TIMING
2940                ACodec::BufferStats stats;
2941                stats.mEmptyBufferTimeUs = ALooper::GetNowUs();
2942                stats.mFillBufferDoneTimeUs = -1ll;
2943                mCodec->mBufferStats.add(timeUs, stats);
2944#endif
2945
2946                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2947                            mCodec->mNode,
2948                            bufferID,
2949                            0,
2950                            buffer->size(),
2951                            flags,
2952                            timeUs),
2953                         (status_t)OK);
2954
2955                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2956
2957                if (!eos) {
2958                    getMoreInputDataIfPossible();
2959                } else {
2960                    ALOGV("[%s] Signalled EOS on the input port",
2961                         mCodec->mComponentName.c_str());
2962
2963                    mCodec->mPortEOS[kPortIndexInput] = true;
2964                    mCodec->mInputEOSResult = err;
2965                }
2966            } else if (!mCodec->mPortEOS[kPortIndexInput]) {
2967                if (err != ERROR_END_OF_STREAM) {
2968                    ALOGV("[%s] Signalling EOS on the input port "
2969                         "due to error %d",
2970                         mCodec->mComponentName.c_str(), err);
2971                } else {
2972                    ALOGV("[%s] Signalling EOS on the input port",
2973                         mCodec->mComponentName.c_str());
2974                }
2975
2976                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
2977                     mCodec->mComponentName.c_str(), bufferID);
2978
2979                CHECK_EQ(mCodec->mOMX->emptyBuffer(
2980                            mCodec->mNode,
2981                            bufferID,
2982                            0,
2983                            0,
2984                            OMX_BUFFERFLAG_EOS,
2985                            0),
2986                         (status_t)OK);
2987
2988                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
2989
2990                mCodec->mPortEOS[kPortIndexInput] = true;
2991                mCodec->mInputEOSResult = err;
2992            }
2993            break;
2994
2995            default:
2996                CHECK_EQ((int)mode, (int)FREE_BUFFERS);
2997                break;
2998        }
2999    }
3000}
3001
3002void ACodec::BaseState::getMoreInputDataIfPossible() {
3003    if (mCodec->mPortEOS[kPortIndexInput]) {
3004        return;
3005    }
3006
3007    BufferInfo *eligible = NULL;
3008
3009    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexInput].size(); ++i) {
3010        BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(i);
3011
3012#if 0
3013        if (info->mStatus == BufferInfo::OWNED_BY_UPSTREAM) {
3014            // There's already a "read" pending.
3015            return;
3016        }
3017#endif
3018
3019        if (info->mStatus == BufferInfo::OWNED_BY_US) {
3020            eligible = info;
3021        }
3022    }
3023
3024    if (eligible == NULL) {
3025        return;
3026    }
3027
3028    postFillThisBuffer(eligible);
3029}
3030
3031bool ACodec::BaseState::onOMXFillBufferDone(
3032        IOMX::buffer_id bufferID,
3033        size_t rangeOffset, size_t rangeLength,
3034        OMX_U32 flags,
3035        int64_t timeUs,
3036        void *platformPrivate,
3037        void *dataPtr) {
3038    ALOGV("[%s] onOMXFillBufferDone %p time %lld us, flags = 0x%08lx",
3039         mCodec->mComponentName.c_str(), bufferID, timeUs, flags);
3040
3041    ssize_t index;
3042
3043#if TRACK_BUFFER_TIMING
3044    index = mCodec->mBufferStats.indexOfKey(timeUs);
3045    if (index >= 0) {
3046        ACodec::BufferStats *stats = &mCodec->mBufferStats.editValueAt(index);
3047        stats->mFillBufferDoneTimeUs = ALooper::GetNowUs();
3048
3049        ALOGI("frame PTS %lld: %lld",
3050                timeUs,
3051                stats->mFillBufferDoneTimeUs - stats->mEmptyBufferTimeUs);
3052
3053        mCodec->mBufferStats.removeItemsAt(index);
3054        stats = NULL;
3055    }
3056#endif
3057
3058    BufferInfo *info =
3059        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3060
3061    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_COMPONENT);
3062
3063    info->mStatus = BufferInfo::OWNED_BY_US;
3064
3065    PortMode mode = getPortMode(kPortIndexOutput);
3066
3067    switch (mode) {
3068        case KEEP_BUFFERS:
3069            break;
3070
3071        case RESUBMIT_BUFFERS:
3072        {
3073            if (rangeLength == 0 && !(flags & OMX_BUFFERFLAG_EOS)) {
3074                ALOGV("[%s] calling fillBuffer %p",
3075                     mCodec->mComponentName.c_str(), info->mBufferID);
3076
3077                CHECK_EQ(mCodec->mOMX->fillBuffer(
3078                            mCodec->mNode, info->mBufferID),
3079                         (status_t)OK);
3080
3081                info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3082                break;
3083            }
3084
3085            if (!mCodec->mSentFormat) {
3086                mCodec->sendFormatChange();
3087            }
3088
3089            if (mCodec->mUseMetadataOnEncoderOutput) {
3090                native_handle_t* handle =
3091                        *(native_handle_t**)(info->mData->data() + 4);
3092                info->mData->meta()->setPointer("handle", handle);
3093                info->mData->meta()->setInt32("rangeOffset", rangeOffset);
3094                info->mData->meta()->setInt32("rangeLength", rangeLength);
3095            } else {
3096                info->mData->setRange(rangeOffset, rangeLength);
3097            }
3098#if 0
3099            if (mCodec->mNativeWindow == NULL) {
3100                if (IsIDR(info->mData)) {
3101                    ALOGI("IDR frame");
3102                }
3103            }
3104#endif
3105
3106            if (mCodec->mSkipCutBuffer != NULL) {
3107                mCodec->mSkipCutBuffer->submit(info->mData);
3108            }
3109            info->mData->meta()->setInt64("timeUs", timeUs);
3110
3111            sp<AMessage> notify = mCodec->mNotify->dup();
3112            notify->setInt32("what", ACodec::kWhatDrainThisBuffer);
3113            notify->setPointer("buffer-id", info->mBufferID);
3114            notify->setBuffer("buffer", info->mData);
3115            notify->setInt32("flags", flags);
3116
3117            sp<AMessage> reply =
3118                new AMessage(kWhatOutputBufferDrained, mCodec->id());
3119
3120            reply->setPointer("buffer-id", info->mBufferID);
3121
3122            notify->setMessage("reply", reply);
3123
3124            notify->post();
3125
3126            info->mStatus = BufferInfo::OWNED_BY_DOWNSTREAM;
3127
3128            if (flags & OMX_BUFFERFLAG_EOS) {
3129                ALOGV("[%s] saw output EOS", mCodec->mComponentName.c_str());
3130
3131                sp<AMessage> notify = mCodec->mNotify->dup();
3132                notify->setInt32("what", ACodec::kWhatEOS);
3133                notify->setInt32("err", mCodec->mInputEOSResult);
3134                notify->post();
3135
3136                mCodec->mPortEOS[kPortIndexOutput] = true;
3137            }
3138            break;
3139        }
3140
3141        default:
3142        {
3143            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3144
3145            CHECK_EQ((status_t)OK,
3146                     mCodec->freeBuffer(kPortIndexOutput, index));
3147            break;
3148        }
3149    }
3150
3151    return true;
3152}
3153
3154void ACodec::BaseState::onOutputBufferDrained(const sp<AMessage> &msg) {
3155    IOMX::buffer_id bufferID;
3156    CHECK(msg->findPointer("buffer-id", &bufferID));
3157
3158    ssize_t index;
3159    BufferInfo *info =
3160        mCodec->findBufferByID(kPortIndexOutput, bufferID, &index);
3161    CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_DOWNSTREAM);
3162
3163    int32_t render;
3164    if (mCodec->mNativeWindow != NULL
3165            && msg->findInt32("render", &render) && render != 0
3166            && (info->mData == NULL || info->mData->size() != 0)) {
3167        // The client wants this buffer to be rendered.
3168
3169        status_t err;
3170        if ((err = mCodec->mNativeWindow->queueBuffer(
3171                    mCodec->mNativeWindow.get(),
3172                    info->mGraphicBuffer.get(), -1)) == OK) {
3173            info->mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
3174        } else {
3175            mCodec->signalError(OMX_ErrorUndefined, err);
3176            info->mStatus = BufferInfo::OWNED_BY_US;
3177        }
3178    } else {
3179        info->mStatus = BufferInfo::OWNED_BY_US;
3180    }
3181
3182    PortMode mode = getPortMode(kPortIndexOutput);
3183
3184    switch (mode) {
3185        case KEEP_BUFFERS:
3186        {
3187            // XXX fishy, revisit!!! What about the FREE_BUFFERS case below?
3188
3189            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3190                // We cannot resubmit the buffer we just rendered, dequeue
3191                // the spare instead.
3192
3193                info = mCodec->dequeueBufferFromNativeWindow();
3194            }
3195            break;
3196        }
3197
3198        case RESUBMIT_BUFFERS:
3199        {
3200            if (!mCodec->mPortEOS[kPortIndexOutput]) {
3201                if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3202                    // We cannot resubmit the buffer we just rendered, dequeue
3203                    // the spare instead.
3204
3205                    info = mCodec->dequeueBufferFromNativeWindow();
3206                }
3207
3208                if (info != NULL) {
3209                    ALOGV("[%s] calling fillBuffer %p",
3210                         mCodec->mComponentName.c_str(), info->mBufferID);
3211
3212                    CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3213                             (status_t)OK);
3214
3215                    info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3216                }
3217            }
3218            break;
3219        }
3220
3221        default:
3222        {
3223            CHECK_EQ((int)mode, (int)FREE_BUFFERS);
3224
3225            CHECK_EQ((status_t)OK,
3226                     mCodec->freeBuffer(kPortIndexOutput, index));
3227            break;
3228        }
3229    }
3230}
3231
3232////////////////////////////////////////////////////////////////////////////////
3233
3234ACodec::UninitializedState::UninitializedState(ACodec *codec)
3235    : BaseState(codec) {
3236}
3237
3238void ACodec::UninitializedState::stateEntered() {
3239    ALOGV("Now uninitialized");
3240
3241    if (mDeathNotifier != NULL) {
3242        mCodec->mOMX->asBinder()->unlinkToDeath(mDeathNotifier);
3243        mDeathNotifier.clear();
3244    }
3245
3246    mCodec->mNativeWindow.clear();
3247    mCodec->mNode = NULL;
3248    mCodec->mOMX.clear();
3249    mCodec->mQuirks = 0;
3250    mCodec->mFlags = 0;
3251    mCodec->mUseMetadataOnEncoderOutput = 0;
3252    mCodec->mComponentName.clear();
3253}
3254
3255bool ACodec::UninitializedState::onMessageReceived(const sp<AMessage> &msg) {
3256    bool handled = false;
3257
3258    switch (msg->what()) {
3259        case ACodec::kWhatSetup:
3260        {
3261            onSetup(msg);
3262
3263            handled = true;
3264            break;
3265        }
3266
3267        case ACodec::kWhatAllocateComponent:
3268        {
3269            onAllocateComponent(msg);
3270            handled = true;
3271            break;
3272        }
3273
3274        case ACodec::kWhatShutdown:
3275        {
3276            int32_t keepComponentAllocated;
3277            CHECK(msg->findInt32(
3278                        "keepComponentAllocated", &keepComponentAllocated));
3279            CHECK(!keepComponentAllocated);
3280
3281            sp<AMessage> notify = mCodec->mNotify->dup();
3282            notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3283            notify->post();
3284
3285            handled = true;
3286            break;
3287        }
3288
3289        case ACodec::kWhatFlush:
3290        {
3291            sp<AMessage> notify = mCodec->mNotify->dup();
3292            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3293            notify->post();
3294
3295            handled = true;
3296            break;
3297        }
3298
3299        default:
3300            return BaseState::onMessageReceived(msg);
3301    }
3302
3303    return handled;
3304}
3305
3306void ACodec::UninitializedState::onSetup(
3307        const sp<AMessage> &msg) {
3308    if (onAllocateComponent(msg)
3309            && mCodec->mLoadedState->onConfigureComponent(msg)) {
3310        mCodec->mLoadedState->onStart();
3311    }
3312}
3313
3314bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
3315    ALOGV("onAllocateComponent");
3316
3317    CHECK(mCodec->mNode == NULL);
3318
3319    OMXClient client;
3320    CHECK_EQ(client.connect(), (status_t)OK);
3321
3322    sp<IOMX> omx = client.interface();
3323
3324    sp<AMessage> notify = new AMessage(kWhatOMXDied, mCodec->id());
3325
3326    mDeathNotifier = new DeathNotifier(notify);
3327    if (omx->asBinder()->linkToDeath(mDeathNotifier) != OK) {
3328        // This was a local binder, if it dies so do we, we won't care
3329        // about any notifications in the afterlife.
3330        mDeathNotifier.clear();
3331    }
3332
3333    Vector<OMXCodec::CodecNameAndQuirks> matchingCodecs;
3334
3335    AString mime;
3336
3337    AString componentName;
3338    uint32_t quirks = 0;
3339    if (msg->findString("componentName", &componentName)) {
3340        ssize_t index = matchingCodecs.add();
3341        OMXCodec::CodecNameAndQuirks *entry = &matchingCodecs.editItemAt(index);
3342        entry->mName = String8(componentName.c_str());
3343
3344        if (!OMXCodec::findCodecQuirks(
3345                    componentName.c_str(), &entry->mQuirks)) {
3346            entry->mQuirks = 0;
3347        }
3348    } else {
3349        CHECK(msg->findString("mime", &mime));
3350
3351        int32_t encoder;
3352        if (!msg->findInt32("encoder", &encoder)) {
3353            encoder = false;
3354        }
3355
3356        OMXCodec::findMatchingCodecs(
3357                mime.c_str(),
3358                encoder, // createEncoder
3359                NULL,  // matchComponentName
3360                0,     // flags
3361                &matchingCodecs);
3362    }
3363
3364    sp<CodecObserver> observer = new CodecObserver;
3365    IOMX::node_id node = NULL;
3366
3367    for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
3368            ++matchIndex) {
3369        componentName = matchingCodecs.itemAt(matchIndex).mName.string();
3370        quirks = matchingCodecs.itemAt(matchIndex).mQuirks;
3371
3372        pid_t tid = androidGetTid();
3373        int prevPriority = androidGetThreadPriority(tid);
3374        androidSetThreadPriority(tid, ANDROID_PRIORITY_FOREGROUND);
3375        status_t err = omx->allocateNode(componentName.c_str(), observer, &node);
3376        androidSetThreadPriority(tid, prevPriority);
3377
3378        if (err == OK) {
3379            break;
3380        }
3381
3382        node = NULL;
3383    }
3384
3385    if (node == NULL) {
3386        if (!mime.empty()) {
3387            ALOGE("Unable to instantiate a decoder for type '%s'.",
3388                 mime.c_str());
3389        } else {
3390            ALOGE("Unable to instantiate decoder '%s'.", componentName.c_str());
3391        }
3392
3393        mCodec->signalError(OMX_ErrorComponentNotFound);
3394        return false;
3395    }
3396
3397    notify = new AMessage(kWhatOMXMessage, mCodec->id());
3398    observer->setNotificationMessage(notify);
3399
3400    mCodec->mComponentName = componentName;
3401    mCodec->mFlags = 0;
3402
3403    if (componentName.endsWith(".secure")) {
3404        mCodec->mFlags |= kFlagIsSecure;
3405    }
3406
3407    mCodec->mQuirks = quirks;
3408    mCodec->mOMX = omx;
3409    mCodec->mNode = node;
3410
3411    {
3412        sp<AMessage> notify = mCodec->mNotify->dup();
3413        notify->setInt32("what", ACodec::kWhatComponentAllocated);
3414        notify->setString("componentName", mCodec->mComponentName.c_str());
3415        notify->post();
3416    }
3417
3418    mCodec->changeState(mCodec->mLoadedState);
3419
3420    return true;
3421}
3422
3423////////////////////////////////////////////////////////////////////////////////
3424
3425ACodec::LoadedState::LoadedState(ACodec *codec)
3426    : BaseState(codec) {
3427}
3428
3429void ACodec::LoadedState::stateEntered() {
3430    ALOGV("[%s] Now Loaded", mCodec->mComponentName.c_str());
3431
3432    mCodec->mPortEOS[kPortIndexInput] =
3433        mCodec->mPortEOS[kPortIndexOutput] = false;
3434
3435    mCodec->mInputEOSResult = OK;
3436
3437    if (mCodec->mShutdownInProgress) {
3438        bool keepComponentAllocated = mCodec->mKeepComponentAllocated;
3439
3440        mCodec->mShutdownInProgress = false;
3441        mCodec->mKeepComponentAllocated = false;
3442
3443        onShutdown(keepComponentAllocated);
3444    }
3445}
3446
3447void ACodec::LoadedState::onShutdown(bool keepComponentAllocated) {
3448    if (!keepComponentAllocated) {
3449        CHECK_EQ(mCodec->mOMX->freeNode(mCodec->mNode), (status_t)OK);
3450
3451        mCodec->changeState(mCodec->mUninitializedState);
3452    }
3453
3454    sp<AMessage> notify = mCodec->mNotify->dup();
3455    notify->setInt32("what", ACodec::kWhatShutdownCompleted);
3456    notify->post();
3457}
3458
3459bool ACodec::LoadedState::onMessageReceived(const sp<AMessage> &msg) {
3460    bool handled = false;
3461
3462    switch (msg->what()) {
3463        case ACodec::kWhatConfigureComponent:
3464        {
3465            onConfigureComponent(msg);
3466            handled = true;
3467            break;
3468        }
3469
3470        case ACodec::kWhatCreateInputSurface:
3471        {
3472            onCreateInputSurface(msg);
3473            handled = true;
3474            break;
3475        }
3476
3477        case ACodec::kWhatStart:
3478        {
3479            onStart();
3480            handled = true;
3481            break;
3482        }
3483
3484        case ACodec::kWhatShutdown:
3485        {
3486            int32_t keepComponentAllocated;
3487            CHECK(msg->findInt32(
3488                        "keepComponentAllocated", &keepComponentAllocated));
3489
3490            onShutdown(keepComponentAllocated);
3491
3492            handled = true;
3493            break;
3494        }
3495
3496        case ACodec::kWhatFlush:
3497        {
3498            sp<AMessage> notify = mCodec->mNotify->dup();
3499            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3500            notify->post();
3501
3502            handled = true;
3503            break;
3504        }
3505
3506        default:
3507            return BaseState::onMessageReceived(msg);
3508    }
3509
3510    return handled;
3511}
3512
3513bool ACodec::LoadedState::onConfigureComponent(
3514        const sp<AMessage> &msg) {
3515    ALOGV("onConfigureComponent");
3516
3517    CHECK(mCodec->mNode != NULL);
3518
3519    AString mime;
3520    CHECK(msg->findString("mime", &mime));
3521
3522    status_t err = mCodec->configureCodec(mime.c_str(), msg);
3523
3524    if (err != OK) {
3525        ALOGE("[%s] configureCodec returning error %d",
3526              mCodec->mComponentName.c_str(), err);
3527
3528        mCodec->signalError(OMX_ErrorUndefined, err);
3529        return false;
3530    }
3531
3532    sp<RefBase> obj;
3533    if (msg->findObject("native-window", &obj)
3534            && strncmp("OMX.google.", mCodec->mComponentName.c_str(), 11)) {
3535        sp<NativeWindowWrapper> nativeWindow(
3536                static_cast<NativeWindowWrapper *>(obj.get()));
3537        CHECK(nativeWindow != NULL);
3538        mCodec->mNativeWindow = nativeWindow->getNativeWindow();
3539
3540        native_window_set_scaling_mode(
3541                mCodec->mNativeWindow.get(),
3542                NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
3543    }
3544    CHECK_EQ((status_t)OK, mCodec->initNativeWindow());
3545
3546    {
3547        sp<AMessage> notify = mCodec->mNotify->dup();
3548        notify->setInt32("what", ACodec::kWhatComponentConfigured);
3549        notify->post();
3550    }
3551
3552    return true;
3553}
3554
3555void ACodec::LoadedState::onCreateInputSurface(
3556        const sp<AMessage> &msg) {
3557    ALOGV("onCreateInputSurface");
3558
3559    sp<AMessage> notify = mCodec->mNotify->dup();
3560    notify->setInt32("what", ACodec::kWhatInputSurfaceCreated);
3561
3562    sp<IGraphicBufferProducer> bufferProducer;
3563    status_t err;
3564
3565    err = mCodec->mOMX->createInputSurface(mCodec->mNode, kPortIndexInput,
3566            &bufferProducer);
3567    if (err == OK) {
3568        notify->setObject("input-surface",
3569                new BufferProducerWrapper(bufferProducer));
3570    } else {
3571        // Can't use mCodec->signalError() here -- MediaCodec won't forward
3572        // the error through because it's in the "configured" state.  We
3573        // send a kWhatInputSurfaceCreated with an error value instead.
3574        ALOGE("[%s] onCreateInputSurface returning error %d",
3575                mCodec->mComponentName.c_str(), err);
3576        notify->setInt32("err", err);
3577    }
3578    notify->post();
3579}
3580
3581void ACodec::LoadedState::onStart() {
3582    ALOGV("onStart");
3583
3584    CHECK_EQ(mCodec->mOMX->sendCommand(
3585                mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3586             (status_t)OK);
3587
3588    mCodec->changeState(mCodec->mLoadedToIdleState);
3589}
3590
3591////////////////////////////////////////////////////////////////////////////////
3592
3593ACodec::LoadedToIdleState::LoadedToIdleState(ACodec *codec)
3594    : BaseState(codec) {
3595}
3596
3597void ACodec::LoadedToIdleState::stateEntered() {
3598    ALOGV("[%s] Now Loaded->Idle", mCodec->mComponentName.c_str());
3599
3600    status_t err;
3601    if ((err = allocateBuffers()) != OK) {
3602        ALOGE("Failed to allocate buffers after transitioning to IDLE state "
3603             "(error 0x%08x)",
3604             err);
3605
3606        mCodec->signalError(OMX_ErrorUndefined, err);
3607
3608        mCodec->changeState(mCodec->mLoadedState);
3609    }
3610}
3611
3612status_t ACodec::LoadedToIdleState::allocateBuffers() {
3613    status_t err = mCodec->allocateBuffersOnPort(kPortIndexInput);
3614
3615    if (err != OK) {
3616        return err;
3617    }
3618
3619    return mCodec->allocateBuffersOnPort(kPortIndexOutput);
3620}
3621
3622bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
3623    switch (msg->what()) {
3624        case kWhatShutdown:
3625        {
3626            mCodec->deferMessage(msg);
3627            return true;
3628        }
3629
3630        case kWhatSignalEndOfInputStream:
3631        {
3632            mCodec->onSignalEndOfInputStream();
3633            return true;
3634        }
3635
3636        case kWhatResume:
3637        {
3638            // We'll be active soon enough.
3639            return true;
3640        }
3641
3642        case kWhatFlush:
3643        {
3644            // We haven't even started yet, so we're flushed alright...
3645            sp<AMessage> notify = mCodec->mNotify->dup();
3646            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3647            notify->post();
3648            return true;
3649        }
3650
3651        default:
3652            return BaseState::onMessageReceived(msg);
3653    }
3654}
3655
3656bool ACodec::LoadedToIdleState::onOMXEvent(
3657        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3658    switch (event) {
3659        case OMX_EventCmdComplete:
3660        {
3661            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3662            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
3663
3664            CHECK_EQ(mCodec->mOMX->sendCommand(
3665                        mCodec->mNode, OMX_CommandStateSet, OMX_StateExecuting),
3666                     (status_t)OK);
3667
3668            mCodec->changeState(mCodec->mIdleToExecutingState);
3669
3670            return true;
3671        }
3672
3673        default:
3674            return BaseState::onOMXEvent(event, data1, data2);
3675    }
3676}
3677
3678////////////////////////////////////////////////////////////////////////////////
3679
3680ACodec::IdleToExecutingState::IdleToExecutingState(ACodec *codec)
3681    : BaseState(codec) {
3682}
3683
3684void ACodec::IdleToExecutingState::stateEntered() {
3685    ALOGV("[%s] Now Idle->Executing", mCodec->mComponentName.c_str());
3686}
3687
3688bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3689    switch (msg->what()) {
3690        case kWhatShutdown:
3691        {
3692            mCodec->deferMessage(msg);
3693            return true;
3694        }
3695
3696        case kWhatResume:
3697        {
3698            // We'll be active soon enough.
3699            return true;
3700        }
3701
3702        case kWhatFlush:
3703        {
3704            // We haven't even started yet, so we're flushed alright...
3705            sp<AMessage> notify = mCodec->mNotify->dup();
3706            notify->setInt32("what", ACodec::kWhatFlushCompleted);
3707            notify->post();
3708
3709            return true;
3710        }
3711
3712        case kWhatSignalEndOfInputStream:
3713        {
3714            mCodec->onSignalEndOfInputStream();
3715            return true;
3716        }
3717
3718        default:
3719            return BaseState::onMessageReceived(msg);
3720    }
3721}
3722
3723bool ACodec::IdleToExecutingState::onOMXEvent(
3724        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3725    switch (event) {
3726        case OMX_EventCmdComplete:
3727        {
3728            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
3729            CHECK_EQ(data2, (OMX_U32)OMX_StateExecuting);
3730
3731            mCodec->mExecutingState->resume();
3732            mCodec->changeState(mCodec->mExecutingState);
3733
3734            return true;
3735        }
3736
3737        default:
3738            return BaseState::onOMXEvent(event, data1, data2);
3739    }
3740}
3741
3742////////////////////////////////////////////////////////////////////////////////
3743
3744ACodec::ExecutingState::ExecutingState(ACodec *codec)
3745    : BaseState(codec),
3746      mActive(false) {
3747}
3748
3749ACodec::BaseState::PortMode ACodec::ExecutingState::getPortMode(
3750        OMX_U32 portIndex) {
3751    return RESUBMIT_BUFFERS;
3752}
3753
3754void ACodec::ExecutingState::submitOutputBuffers() {
3755    for (size_t i = 0; i < mCodec->mBuffers[kPortIndexOutput].size(); ++i) {
3756        BufferInfo *info = &mCodec->mBuffers[kPortIndexOutput].editItemAt(i);
3757
3758        if (mCodec->mNativeWindow != NULL) {
3759            CHECK(info->mStatus == BufferInfo::OWNED_BY_US
3760                    || info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW);
3761
3762            if (info->mStatus == BufferInfo::OWNED_BY_NATIVE_WINDOW) {
3763                continue;
3764            }
3765        } else {
3766            CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
3767        }
3768
3769        ALOGV("[%s] calling fillBuffer %p",
3770             mCodec->mComponentName.c_str(), info->mBufferID);
3771
3772        CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
3773                 (status_t)OK);
3774
3775        info->mStatus = BufferInfo::OWNED_BY_COMPONENT;
3776    }
3777}
3778
3779void ACodec::ExecutingState::resume() {
3780    if (mActive) {
3781        ALOGV("[%s] We're already active, no need to resume.",
3782             mCodec->mComponentName.c_str());
3783
3784        return;
3785    }
3786
3787    submitOutputBuffers();
3788
3789    // Post the first input buffer.
3790    CHECK_GT(mCodec->mBuffers[kPortIndexInput].size(), 0u);
3791    BufferInfo *info = &mCodec->mBuffers[kPortIndexInput].editItemAt(0);
3792
3793    postFillThisBuffer(info);
3794
3795    mActive = true;
3796}
3797
3798void ACodec::ExecutingState::stateEntered() {
3799    ALOGV("[%s] Now Executing", mCodec->mComponentName.c_str());
3800
3801    mCodec->processDeferredMessages();
3802}
3803
3804bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
3805    bool handled = false;
3806
3807    switch (msg->what()) {
3808        case kWhatShutdown:
3809        {
3810            int32_t keepComponentAllocated;
3811            CHECK(msg->findInt32(
3812                        "keepComponentAllocated", &keepComponentAllocated));
3813
3814            mCodec->mShutdownInProgress = true;
3815            mCodec->mKeepComponentAllocated = keepComponentAllocated;
3816
3817            mActive = false;
3818
3819            CHECK_EQ(mCodec->mOMX->sendCommand(
3820                        mCodec->mNode, OMX_CommandStateSet, OMX_StateIdle),
3821                     (status_t)OK);
3822
3823            mCodec->changeState(mCodec->mExecutingToIdleState);
3824
3825            handled = true;
3826            break;
3827        }
3828
3829        case kWhatFlush:
3830        {
3831            ALOGV("[%s] ExecutingState flushing now "
3832                 "(codec owns %d/%d input, %d/%d output).",
3833                    mCodec->mComponentName.c_str(),
3834                    mCodec->countBuffersOwnedByComponent(kPortIndexInput),
3835                    mCodec->mBuffers[kPortIndexInput].size(),
3836                    mCodec->countBuffersOwnedByComponent(kPortIndexOutput),
3837                    mCodec->mBuffers[kPortIndexOutput].size());
3838
3839            mActive = false;
3840
3841            CHECK_EQ(mCodec->mOMX->sendCommand(
3842                        mCodec->mNode, OMX_CommandFlush, OMX_ALL),
3843                     (status_t)OK);
3844
3845            mCodec->changeState(mCodec->mFlushingState);
3846            handled = true;
3847            break;
3848        }
3849
3850        case kWhatResume:
3851        {
3852            resume();
3853
3854            handled = true;
3855            break;
3856        }
3857
3858        case kWhatRequestIDRFrame:
3859        {
3860            status_t err = mCodec->requestIDRFrame();
3861            if (err != OK) {
3862                ALOGW("Requesting an IDR frame failed.");
3863            }
3864
3865            handled = true;
3866            break;
3867        }
3868
3869        case kWhatSetParameters:
3870        {
3871            sp<AMessage> params;
3872            CHECK(msg->findMessage("params", &params));
3873
3874            status_t err = mCodec->setParameters(params);
3875
3876            sp<AMessage> reply;
3877            if (msg->findMessage("reply", &reply)) {
3878                reply->setInt32("err", err);
3879                reply->post();
3880            }
3881
3882            handled = true;
3883            break;
3884        }
3885
3886        case ACodec::kWhatSignalEndOfInputStream:
3887        {
3888            mCodec->onSignalEndOfInputStream();
3889            handled = true;
3890            break;
3891        }
3892
3893        default:
3894            handled = BaseState::onMessageReceived(msg);
3895            break;
3896    }
3897
3898    return handled;
3899}
3900
3901status_t ACodec::setParameters(const sp<AMessage> &params) {
3902    int32_t videoBitrate;
3903    if (params->findInt32("videoBitrate", &videoBitrate)) {
3904        OMX_VIDEO_CONFIG_BITRATETYPE configParams;
3905        InitOMXParams(&configParams);
3906        configParams.nPortIndex = kPortIndexOutput;
3907        configParams.nEncodeBitrate = videoBitrate;
3908
3909        status_t err = mOMX->setConfig(
3910                mNode,
3911                OMX_IndexConfigVideoBitrate,
3912                &configParams,
3913                sizeof(configParams));
3914
3915        if (err != OK) {
3916            ALOGE("setConfig(OMX_IndexConfigVideoBitrate, %d) failed w/ err %d",
3917                   videoBitrate, err);
3918
3919            return err;
3920        }
3921    }
3922
3923    return OK;
3924}
3925
3926void ACodec::onSignalEndOfInputStream() {
3927    sp<AMessage> notify = mNotify->dup();
3928    notify->setInt32("what", ACodec::kWhatSignaledInputEOS);
3929
3930    status_t err = mOMX->signalEndOfInputStream(mNode);
3931    if (err != OK) {
3932        notify->setInt32("err", err);
3933    }
3934    notify->post();
3935}
3936
3937bool ACodec::ExecutingState::onOMXEvent(
3938        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
3939    switch (event) {
3940        case OMX_EventPortSettingsChanged:
3941        {
3942            CHECK_EQ(data1, (OMX_U32)kPortIndexOutput);
3943
3944            if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
3945                CHECK_EQ(mCodec->mOMX->sendCommand(
3946                            mCodec->mNode,
3947                            OMX_CommandPortDisable, kPortIndexOutput),
3948                         (status_t)OK);
3949
3950                mCodec->freeOutputBuffersNotOwnedByComponent();
3951
3952                mCodec->changeState(mCodec->mOutputPortSettingsChangedState);
3953            } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
3954                mCodec->mSentFormat = false;
3955            } else {
3956                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
3957                     mCodec->mComponentName.c_str(), data2);
3958            }
3959
3960            return true;
3961        }
3962
3963        case OMX_EventBufferFlag:
3964        {
3965            return true;
3966        }
3967
3968        default:
3969            return BaseState::onOMXEvent(event, data1, data2);
3970    }
3971}
3972
3973////////////////////////////////////////////////////////////////////////////////
3974
3975ACodec::OutputPortSettingsChangedState::OutputPortSettingsChangedState(
3976        ACodec *codec)
3977    : BaseState(codec) {
3978}
3979
3980ACodec::BaseState::PortMode ACodec::OutputPortSettingsChangedState::getPortMode(
3981        OMX_U32 portIndex) {
3982    if (portIndex == kPortIndexOutput) {
3983        return FREE_BUFFERS;
3984    }
3985
3986    CHECK_EQ(portIndex, (OMX_U32)kPortIndexInput);
3987
3988    return RESUBMIT_BUFFERS;
3989}
3990
3991bool ACodec::OutputPortSettingsChangedState::onMessageReceived(
3992        const sp<AMessage> &msg) {
3993    bool handled = false;
3994
3995    switch (msg->what()) {
3996        case kWhatFlush:
3997        case kWhatShutdown:
3998        case kWhatResume:
3999        {
4000            if (msg->what() == kWhatResume) {
4001                ALOGV("[%s] Deferring resume", mCodec->mComponentName.c_str());
4002            }
4003
4004            mCodec->deferMessage(msg);
4005            handled = true;
4006            break;
4007        }
4008
4009        default:
4010            handled = BaseState::onMessageReceived(msg);
4011            break;
4012    }
4013
4014    return handled;
4015}
4016
4017void ACodec::OutputPortSettingsChangedState::stateEntered() {
4018    ALOGV("[%s] Now handling output port settings change",
4019         mCodec->mComponentName.c_str());
4020}
4021
4022bool ACodec::OutputPortSettingsChangedState::onOMXEvent(
4023        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4024    switch (event) {
4025        case OMX_EventCmdComplete:
4026        {
4027            if (data1 == (OMX_U32)OMX_CommandPortDisable) {
4028                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
4029
4030                ALOGV("[%s] Output port now disabled.",
4031                        mCodec->mComponentName.c_str());
4032
4033                CHECK(mCodec->mBuffers[kPortIndexOutput].isEmpty());
4034                mCodec->mDealer[kPortIndexOutput].clear();
4035
4036                CHECK_EQ(mCodec->mOMX->sendCommand(
4037                            mCodec->mNode, OMX_CommandPortEnable, kPortIndexOutput),
4038                         (status_t)OK);
4039
4040                status_t err;
4041                if ((err = mCodec->allocateBuffersOnPort(
4042                                kPortIndexOutput)) != OK) {
4043                    ALOGE("Failed to allocate output port buffers after "
4044                         "port reconfiguration (error 0x%08x)",
4045                         err);
4046
4047                    mCodec->signalError(OMX_ErrorUndefined, err);
4048
4049                    // This is technically not correct, but appears to be
4050                    // the only way to free the component instance.
4051                    // Controlled transitioning from excecuting->idle
4052                    // and idle->loaded seem impossible probably because
4053                    // the output port never finishes re-enabling.
4054                    mCodec->mShutdownInProgress = true;
4055                    mCodec->mKeepComponentAllocated = false;
4056                    mCodec->changeState(mCodec->mLoadedState);
4057                }
4058
4059                return true;
4060            } else if (data1 == (OMX_U32)OMX_CommandPortEnable) {
4061                CHECK_EQ(data2, (OMX_U32)kPortIndexOutput);
4062
4063                mCodec->mSentFormat = false;
4064
4065                ALOGV("[%s] Output port now reenabled.",
4066                        mCodec->mComponentName.c_str());
4067
4068                if (mCodec->mExecutingState->active()) {
4069                    mCodec->mExecutingState->submitOutputBuffers();
4070                }
4071
4072                mCodec->changeState(mCodec->mExecutingState);
4073
4074                return true;
4075            }
4076
4077            return false;
4078        }
4079
4080        default:
4081            return false;
4082    }
4083}
4084
4085////////////////////////////////////////////////////////////////////////////////
4086
4087ACodec::ExecutingToIdleState::ExecutingToIdleState(ACodec *codec)
4088    : BaseState(codec),
4089      mComponentNowIdle(false) {
4090}
4091
4092bool ACodec::ExecutingToIdleState::onMessageReceived(const sp<AMessage> &msg) {
4093    bool handled = false;
4094
4095    switch (msg->what()) {
4096        case kWhatFlush:
4097        {
4098            // Don't send me a flush request if you previously wanted me
4099            // to shutdown.
4100            TRESPASS();
4101            break;
4102        }
4103
4104        case kWhatShutdown:
4105        {
4106            // We're already doing that...
4107
4108            handled = true;
4109            break;
4110        }
4111
4112        default:
4113            handled = BaseState::onMessageReceived(msg);
4114            break;
4115    }
4116
4117    return handled;
4118}
4119
4120void ACodec::ExecutingToIdleState::stateEntered() {
4121    ALOGV("[%s] Now Executing->Idle", mCodec->mComponentName.c_str());
4122
4123    mComponentNowIdle = false;
4124    mCodec->mSentFormat = false;
4125}
4126
4127bool ACodec::ExecutingToIdleState::onOMXEvent(
4128        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4129    switch (event) {
4130        case OMX_EventCmdComplete:
4131        {
4132            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4133            CHECK_EQ(data2, (OMX_U32)OMX_StateIdle);
4134
4135            mComponentNowIdle = true;
4136
4137            changeStateIfWeOwnAllBuffers();
4138
4139            return true;
4140        }
4141
4142        case OMX_EventPortSettingsChanged:
4143        case OMX_EventBufferFlag:
4144        {
4145            // We're shutting down and don't care about this anymore.
4146            return true;
4147        }
4148
4149        default:
4150            return BaseState::onOMXEvent(event, data1, data2);
4151    }
4152}
4153
4154void ACodec::ExecutingToIdleState::changeStateIfWeOwnAllBuffers() {
4155    if (mComponentNowIdle && mCodec->allYourBuffersAreBelongToUs()) {
4156        CHECK_EQ(mCodec->mOMX->sendCommand(
4157                    mCodec->mNode, OMX_CommandStateSet, OMX_StateLoaded),
4158                 (status_t)OK);
4159
4160        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexInput), (status_t)OK);
4161        CHECK_EQ(mCodec->freeBuffersOnPort(kPortIndexOutput), (status_t)OK);
4162
4163        if (mCodec->mFlags & kFlagIsSecure && mCodec->mNativeWindow != NULL) {
4164            // We push enough 1x1 blank buffers to ensure that one of
4165            // them has made it to the display.  This allows the OMX
4166            // component teardown to zero out any protected buffers
4167            // without the risk of scanning out one of those buffers.
4168            mCodec->pushBlankBuffersToNativeWindow();
4169        }
4170
4171        mCodec->changeState(mCodec->mIdleToLoadedState);
4172    }
4173}
4174
4175void ACodec::ExecutingToIdleState::onInputBufferFilled(
4176        const sp<AMessage> &msg) {
4177    BaseState::onInputBufferFilled(msg);
4178
4179    changeStateIfWeOwnAllBuffers();
4180}
4181
4182void ACodec::ExecutingToIdleState::onOutputBufferDrained(
4183        const sp<AMessage> &msg) {
4184    BaseState::onOutputBufferDrained(msg);
4185
4186    changeStateIfWeOwnAllBuffers();
4187}
4188
4189////////////////////////////////////////////////////////////////////////////////
4190
4191ACodec::IdleToLoadedState::IdleToLoadedState(ACodec *codec)
4192    : BaseState(codec) {
4193}
4194
4195bool ACodec::IdleToLoadedState::onMessageReceived(const sp<AMessage> &msg) {
4196    bool handled = false;
4197
4198    switch (msg->what()) {
4199        case kWhatShutdown:
4200        {
4201            // We're already doing that...
4202
4203            handled = true;
4204            break;
4205        }
4206
4207        case kWhatFlush:
4208        {
4209            // Don't send me a flush request if you previously wanted me
4210            // to shutdown.
4211            TRESPASS();
4212            break;
4213        }
4214
4215        default:
4216            handled = BaseState::onMessageReceived(msg);
4217            break;
4218    }
4219
4220    return handled;
4221}
4222
4223void ACodec::IdleToLoadedState::stateEntered() {
4224    ALOGV("[%s] Now Idle->Loaded", mCodec->mComponentName.c_str());
4225}
4226
4227bool ACodec::IdleToLoadedState::onOMXEvent(
4228        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4229    switch (event) {
4230        case OMX_EventCmdComplete:
4231        {
4232            CHECK_EQ(data1, (OMX_U32)OMX_CommandStateSet);
4233            CHECK_EQ(data2, (OMX_U32)OMX_StateLoaded);
4234
4235            mCodec->changeState(mCodec->mLoadedState);
4236
4237            return true;
4238        }
4239
4240        default:
4241            return BaseState::onOMXEvent(event, data1, data2);
4242    }
4243}
4244
4245////////////////////////////////////////////////////////////////////////////////
4246
4247ACodec::FlushingState::FlushingState(ACodec *codec)
4248    : BaseState(codec) {
4249}
4250
4251void ACodec::FlushingState::stateEntered() {
4252    ALOGV("[%s] Now Flushing", mCodec->mComponentName.c_str());
4253
4254    mFlushComplete[kPortIndexInput] = mFlushComplete[kPortIndexOutput] = false;
4255}
4256
4257bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
4258    bool handled = false;
4259
4260    switch (msg->what()) {
4261        case kWhatShutdown:
4262        {
4263            mCodec->deferMessage(msg);
4264            break;
4265        }
4266
4267        case kWhatFlush:
4268        {
4269            // We're already doing this right now.
4270            handled = true;
4271            break;
4272        }
4273
4274        default:
4275            handled = BaseState::onMessageReceived(msg);
4276            break;
4277    }
4278
4279    return handled;
4280}
4281
4282bool ACodec::FlushingState::onOMXEvent(
4283        OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
4284    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
4285            mCodec->mComponentName.c_str(), event, data1);
4286
4287    switch (event) {
4288        case OMX_EventCmdComplete:
4289        {
4290            CHECK_EQ(data1, (OMX_U32)OMX_CommandFlush);
4291
4292            if (data2 == kPortIndexInput || data2 == kPortIndexOutput) {
4293                CHECK(!mFlushComplete[data2]);
4294                mFlushComplete[data2] = true;
4295
4296                if (mFlushComplete[kPortIndexInput]
4297                        && mFlushComplete[kPortIndexOutput]) {
4298                    changeStateIfWeOwnAllBuffers();
4299                }
4300            } else {
4301                CHECK_EQ(data2, OMX_ALL);
4302                CHECK(mFlushComplete[kPortIndexInput]);
4303                CHECK(mFlushComplete[kPortIndexOutput]);
4304
4305                changeStateIfWeOwnAllBuffers();
4306            }
4307
4308            return true;
4309        }
4310
4311        case OMX_EventPortSettingsChanged:
4312        {
4313            sp<AMessage> msg = new AMessage(kWhatOMXMessage, mCodec->id());
4314            msg->setInt32("type", omx_message::EVENT);
4315            msg->setPointer("node", mCodec->mNode);
4316            msg->setInt32("event", event);
4317            msg->setInt32("data1", data1);
4318            msg->setInt32("data2", data2);
4319
4320            ALOGV("[%s] Deferring OMX_EventPortSettingsChanged",
4321                 mCodec->mComponentName.c_str());
4322
4323            mCodec->deferMessage(msg);
4324
4325            return true;
4326        }
4327
4328        default:
4329            return BaseState::onOMXEvent(event, data1, data2);
4330    }
4331
4332    return true;
4333}
4334
4335void ACodec::FlushingState::onOutputBufferDrained(const sp<AMessage> &msg) {
4336    BaseState::onOutputBufferDrained(msg);
4337
4338    changeStateIfWeOwnAllBuffers();
4339}
4340
4341void ACodec::FlushingState::onInputBufferFilled(const sp<AMessage> &msg) {
4342    BaseState::onInputBufferFilled(msg);
4343
4344    changeStateIfWeOwnAllBuffers();
4345}
4346
4347void ACodec::FlushingState::changeStateIfWeOwnAllBuffers() {
4348    if (mFlushComplete[kPortIndexInput]
4349            && mFlushComplete[kPortIndexOutput]
4350            && mCodec->allYourBuffersAreBelongToUs()) {
4351        // We now own all buffers except possibly those still queued with
4352        // the native window for rendering. Let's get those back as well.
4353        mCodec->waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs();
4354
4355        sp<AMessage> notify = mCodec->mNotify->dup();
4356        notify->setInt32("what", ACodec::kWhatFlushCompleted);
4357        notify->post();
4358
4359        mCodec->mPortEOS[kPortIndexInput] =
4360            mCodec->mPortEOS[kPortIndexOutput] = false;
4361
4362        mCodec->mInputEOSResult = OK;
4363
4364        if (mCodec->mSkipCutBuffer != NULL) {
4365            mCodec->mSkipCutBuffer->clear();
4366        }
4367
4368        mCodec->changeState(mCodec->mExecutingState);
4369    }
4370}
4371
4372}  // namespace android
4373