C++ KeyedVector::add方法代码示例

status_t NativeInputEventSender::sendMotionEvent(uint32_t seq, const MotionEvent* event) {
    if (kDebugDispatchCycle) {
        ALOGD("channel '%s' ~ Sending motion event, seq=%u.", getInputChannelName(), seq);
    }

    uint32_t publishedSeq;
    for (size_t i = 0; i <= event->getHistorySize(); i++) {
        publishedSeq = mNextPublishedSeq++;
        status_t status = mInputPublisher.publishMotionEvent(publishedSeq,
                event->getDeviceId(), event->getSource(),
                event->getAction(), event->getActionButton(), event->getFlags(),
                event->getEdgeFlags(), event->getMetaState(), event->getButtonState(),
                event->getXOffset(), event->getYOffset(),
                event->getXPrecision(), event->getYPrecision(),
                event->getDownTime(), event->getHistoricalEventTime(i),
                event->getPointerCount(), event->getPointerProperties(),
                event->getHistoricalRawPointerCoords(0, i));
        if (status) {
            ALOGW("Failed to send motion event sample on channel '%s'.  status=%d",
                    getInputChannelName(), status);
            return status;
        }
    }
    mPublishedSeqMap.add(publishedSeq, seq);
    return OK;
}

status_t MediaHTTP::connect(
        const char *uri,
        const KeyedVector<String8, String8> *headers,
        off64_t /* offset */) {
    if (mInitCheck != OK) {
        return mInitCheck;
    }

    KeyedVector<String8, String8> extHeaders;
    if (headers != NULL) {
        extHeaders = *headers;
    }

    if (extHeaders.indexOfKey(String8("User-Agent")) < 0) {
        extHeaders.add(String8("User-Agent"), String8(MakeUserAgent().c_str()));
    }

    bool success = mHTTPConnection->connect(uri, &extHeaders);

    mLastHeaders = extHeaders;
    mLastURI = uri;

    mCachedSizeValid = false;

    return success ? OK : UNKNOWN_ERROR;
}

status_t MuxOMX::allocateNode(
        const char *name, const sp<IOMXObserver> &observer,
        node_id *node) {
    Mutex::Autolock autoLock(mLock);

    sp<IOMX> omx;

    if (IsSoftwareComponent(name)) {
        if (mLocalOMX == NULL) {
            mLocalOMX = new OMX;
        }
        omx = mLocalOMX;
    } else {
        omx = mRemoteOMX;
    }

    status_t err = omx->allocateNode(name, observer, node);

    if (err != OK) {
        return err;
    }

    if (omx == mLocalOMX) {
        mIsLocalNode.add(*node, true);
    }

    return OK;
}

KeyedVector<uint16_t, const TagDefinition_t*> TiffWriter::buildTagMap(
            const TagDefinition_t* definitions, size_t length) {
    KeyedVector<uint16_t, const TagDefinition_t*> map;
    for(size_t i = 0; i < length; ++i) {
        map.add(definitions[i].tagId, definitions + i);
    }
    return map;
}

static KeyedVector<String8, String8> HashMapToKeyedVector(
    JNIEnv *env, jobject &hashMap, bool* pIsOK) {
    jclass clazz = gFields.stringClassId;
    KeyedVector<String8, String8> keyedVector;
    *pIsOK = true;

    jobject entrySet = env->CallObjectMethod(hashMap, gFields.hashmap.entrySet);
    if (entrySet) {
        jobject iterator = env->CallObjectMethod(entrySet, gFields.set.iterator);
        if (iterator) {
            jboolean hasNext = env->CallBooleanMethod(iterator, gFields.iterator.hasNext);
            while (hasNext) {
                jobject entry = env->CallObjectMethod(iterator, gFields.iterator.next);
                if (entry) {
                    jobject obj = env->CallObjectMethod(entry, gFields.entry.getKey);
                    if (obj == NULL || !env->IsInstanceOf(obj, clazz)) {
                        jniThrowException(env, "java/lang/IllegalArgumentException",
                                          "HashMap key is not a String");
                        env->DeleteLocalRef(entry);
                        *pIsOK = false;
                        break;
                    }
                    jstring jkey = static_cast<jstring>(obj);

                    obj = env->CallObjectMethod(entry, gFields.entry.getValue);
                    if (obj == NULL || !env->IsInstanceOf(obj, clazz)) {
                        jniThrowException(env, "java/lang/IllegalArgumentException",
                                          "HashMap value is not a String");
                        env->DeleteLocalRef(entry);
                        *pIsOK = false;
                        break;
                    }
                    jstring jvalue = static_cast<jstring>(obj);

                    String8 key = JStringToString8(env, jkey);
                    String8 value = JStringToString8(env, jvalue);
                    keyedVector.add(key, value);

                    env->DeleteLocalRef(jkey);
                    env->DeleteLocalRef(jvalue);
                    hasNext = env->CallBooleanMethod(iterator, gFields.iterator.hasNext);
                }
                env->DeleteLocalRef(entry);
            }
            env->DeleteLocalRef(iterator);
        }
        env->DeleteLocalRef(entrySet);
    }
    return keyedVector;
}

EXPORT
media_status_t AMediaDrm_getKeyRequest(AMediaDrm *mObj, const AMediaDrmScope *scope,
        const uint8_t *init, size_t initSize, const char *mimeType, AMediaDrmKeyType keyType,
        const AMediaDrmKeyValue *optionalParameters, size_t numOptionalParameters,
        const uint8_t **keyRequest, size_t *keyRequestSize) {

    if (!mObj || mObj->mDrm == NULL) {
        return AMEDIA_ERROR_INVALID_OBJECT;
    }
    if (!mimeType || !scope || !keyRequest || !keyRequestSize) {
        return AMEDIA_ERROR_INVALID_PARAMETER;
    }

    List<idvec_t>::iterator iter;
    if (!findId(mObj, *scope, iter)) {
        return AMEDIA_DRM_SESSION_NOT_OPENED;
    }

    Vector<uint8_t> mdInit;
    mdInit.appendArray(init, initSize);
    DrmPlugin::KeyType mdKeyType;
    switch (keyType) {
        case KEY_TYPE_STREAMING:
            mdKeyType = DrmPlugin::kKeyType_Streaming;
            break;
        case KEY_TYPE_OFFLINE:
            mdKeyType = DrmPlugin::kKeyType_Offline;
            break;
        case KEY_TYPE_RELEASE:
            mdKeyType = DrmPlugin::kKeyType_Release;
            break;
        default:
            return AMEDIA_ERROR_INVALID_PARAMETER;
    }
    KeyedVector<String8, String8> mdOptionalParameters;
    for (size_t i = 0; i < numOptionalParameters; i++) {
        mdOptionalParameters.add(String8(optionalParameters[i].mKey),
                String8(optionalParameters[i].mValue));
    }
    String8 defaultUrl;
    status_t status = mObj->mDrm->getKeyRequest(*iter, mdInit, String8(mimeType),
            mdKeyType, mdOptionalParameters, mObj->mKeyRequest, defaultUrl);
    if (status != OK) {
        return translateStatus(status);
    } else {
        *keyRequest = mObj->mKeyRequest.array();
        *keyRequestSize = mObj->mKeyRequest.size();
    }
    return AMEDIA_OK;
}

GPUHardware::Client& GPUHardware::getClientLocked(pid_t pid)
{
    ssize_t index = mClients.indexOfKey(pid);
    if (index < 0) {
        Client client;
        client.pid = pid;
        client.smi.heap = mSMIHeap;
        client.ebi.heap = mEBIHeap;
        client.reg.heap = mREGHeap;
        index = mClients.add(pid, client);
    }
    Client& client(mClients.editValueAt(index));
    client.createClientHeaps();
    return client;
}

KeyedVector<SplitDescription, sp<Rule> > SplitSelector::getRules() const {
    KeyedVector<SplitDescription, sp<Rule> > rules;

    const size_t groupCount = mGroups.size();
    for (size_t i = 0; i < groupCount; i++) {
        const SortedVector<SplitDescription>& splits = mGroups[i];
        const size_t splitCount = splits.size();
        for (size_t j = 0; j < splitCount; j++) {
            sp<Rule> rule = Rule::simplify(RuleGenerator::generate(splits, j));
            if (rule != NULL) {
                rules.add(splits[j], rule);
            }
        }
    }
    return rules;
}

status_t NativeInputEventSender::sendKeyEvent(uint32_t seq, const KeyEvent* event) {
    if (kDebugDispatchCycle) {
        ALOGD("channel '%s' ~ Sending key event, seq=%u.", getInputChannelName(), seq);
    }

    uint32_t publishedSeq = mNextPublishedSeq++;
    status_t status = mInputPublisher.publishKeyEvent(publishedSeq,
            event->getDeviceId(), event->getSource(), event->getAction(), event->getFlags(),
            event->getKeyCode(), event->getScanCode(), event->getMetaState(),
            event->getRepeatCount(), event->getDownTime(), event->getEventTime());
    if (status) {
        ALOGW("Failed to send key event on channel '%s'.  status=%d",
                getInputChannelName(), status);
        return status;
    }
    mPublishedSeqMap.add(publishedSeq, seq);
    return OK;
}

status_t MPEG2TSExtractor::feedMore() {
    Mutex::Autolock autoLock(mLock);

    uint8_t packet[kTSPacketSize];
    ssize_t n = mDataSource->readAt(mOffset, packet, kTSPacketSize);

    if (n < (ssize_t)kTSPacketSize) {
        if (n >= 0) {
            mParser->signalEOS(ERROR_END_OF_STREAM);
        }
        return (n < 0) ? (status_t)n : ERROR_END_OF_STREAM;
    }

    ATSParser::SyncEvent event(mOffset);
    mOffset += n;
    status_t err = mParser->feedTSPacket(packet, kTSPacketSize, &event);
    if (event.isInit()) {
        for (size_t i = 0; i < mSourceImpls.size(); ++i) {
            if (mSourceImpls[i].get() == event.getMediaSource().get()) {
                KeyedVector<int64_t, off64_t> *syncPoints = &mSyncPoints.editItemAt(i);
                syncPoints->add(event.getTimeUs(), event.getOffset());
                // We're keeping the size of the sync points at most 5mb per a track.
                size_t size = syncPoints->size();
                if (size >= 327680) {
                    int64_t firstTimeUs = syncPoints->keyAt(0);
                    int64_t lastTimeUs = syncPoints->keyAt(size - 1);
                    if (event.getTimeUs() - firstTimeUs > lastTimeUs - event.getTimeUs()) {
                        syncPoints->removeItemsAt(0, 4096);
                    } else {
                        syncPoints->removeItemsAt(size - 4096, 4096);
                    }
                }
                break;
            }
        }
    }
    return err;
}

void JTvInputHal::onDeviceAvailable(const tv_input_device_info_t& info) {
    {
        Mutex::Autolock autoLock(&mLock);
        mConnections.add(info.device_id, KeyedVector<int, Connection>());
    }
    JNIEnv* env = AndroidRuntime::getJNIEnv();

    jobject builder = env->NewObject(
                          gTvInputHardwareInfoBuilderClassInfo.clazz,
                          gTvInputHardwareInfoBuilderClassInfo.constructor);
    env->CallObjectMethod(
        builder, gTvInputHardwareInfoBuilderClassInfo.deviceId, info.device_id);
    env->CallObjectMethod(
        builder, gTvInputHardwareInfoBuilderClassInfo.type, info.type);
    if (info.type == TV_INPUT_TYPE_HDMI) {
        env->CallObjectMethod(
            builder, gTvInputHardwareInfoBuilderClassInfo.hdmiPortId, info.hdmi.port_id);
    }
    env->CallObjectMethod(
        builder, gTvInputHardwareInfoBuilderClassInfo.audioType, info.audio_type);
    if (info.audio_type != AUDIO_DEVICE_NONE) {
        jstring audioAddress = env->NewStringUTF(info.audio_address);
        env->CallObjectMethod(
            builder, gTvInputHardwareInfoBuilderClassInfo.audioAddress, audioAddress);
        env->DeleteLocalRef(audioAddress);
    }

    jobject infoObject = env->CallObjectMethod(builder, gTvInputHardwareInfoBuilderClassInfo.build);

    env->CallVoidMethod(
        mThiz,
        gTvInputHalClassInfo.deviceAvailable,
        infoObject);

    env->DeleteLocalRef(builder);
    env->DeleteLocalRef(infoObject);
}

sp<IMemoryHeap> HeapCache::find_heap(const sp<IBinder>& binder)
{
    Mutex::Autolock _l(mHeapCacheLock);
    ssize_t i = mHeapCache.indexOfKey(binder);
    if (i>=0) {
        heap_info_t& info = mHeapCache.editValueAt(i);
        ALOGD_IF(VERBOSE,
                "found binder=%p, heap=%p, size=%d, fd=%d, count=%d",
                binder.get(), info.heap.get(),
                static_cast<BpMemoryHeap*>(info.heap.get())->mSize,
                static_cast<BpMemoryHeap*>(info.heap.get())->mHeapId,
                info.count);
        android_atomic_inc(&info.count);
        return info.heap;
    } else {
        heap_info_t info;
        info.heap = interface_cast<IMemoryHeap>(binder);
        info.count = 1;
        //ALOGD("adding binder=%p, heap=%p, count=%d",
        //      binder.get(), info.heap.get(), info.count);
        mHeapCache.add(binder, info);
        return info.heap;
    }
}

static int decode(
        const android::sp<android::ALooper> &looper,
        const char *path,
        bool useAudio,
        bool useVideo,
        const android::sp<android::Surface> &surface) {
    using namespace android;

    static int64_t kTimeout = 500ll;

    sp<NuMediaExtractor> extractor = new NuMediaExtractor;
    if (extractor->setDataSource(path) != OK) {
        fprintf(stderr, "unable to instantiate extractor.\n");
        return 1;
    }

    KeyedVector<size_t, CodecState> stateByTrack;

    bool haveAudio = false;
    bool haveVideo = false;
    for (size_t i = 0; i < extractor->countTracks(); ++i) {
        sp<AMessage> format;
        status_t err = extractor->getTrackFormat(i, &format);
        CHECK_EQ(err, (status_t)OK);

        AString mime;
        CHECK(format->findString("mime", &mime));

        bool isAudio = !strncasecmp(mime.c_str(), "audio/", 6);
        bool isVideo = !strncasecmp(mime.c_str(), "video/", 6);

        if (useAudio && !haveAudio && isAudio) {
            haveAudio = true;
        } else if (useVideo && !haveVideo && isVideo) {
            haveVideo = true;
        } else {
            continue;
        }

        ALOGV("selecting track %d", i);

        err = extractor->selectTrack(i);
        CHECK_EQ(err, (status_t)OK);

        CodecState *state =
            &stateByTrack.editValueAt(stateByTrack.add(i, CodecState()));

        state->mNumBytesDecoded = 0;
        state->mNumBuffersDecoded = 0;
        state->mIsAudio = isAudio;

        state->mCodec = MediaCodec::CreateByType(
                looper, mime.c_str(), false /* encoder */);

        CHECK(state->mCodec != NULL);

        err = state->mCodec->configure(
                format, isVideo ? surface : NULL,
                NULL /* crypto */,
                0 /* flags */);

        CHECK_EQ(err, (status_t)OK);

        state->mSignalledInputEOS = false;
        state->mSawOutputEOS = false;
    }

    CHECK(!stateByTrack.isEmpty());

    int64_t startTimeUs = ALooper::GetNowUs();

    for (size_t i = 0; i < stateByTrack.size(); ++i) {
        CodecState *state = &stateByTrack.editValueAt(i);

        sp<MediaCodec> codec = state->mCodec;

        CHECK_EQ((status_t)OK, codec->start());

        CHECK_EQ((status_t)OK, codec->getInputBuffers(&state->mInBuffers));
        CHECK_EQ((status_t)OK, codec->getOutputBuffers(&state->mOutBuffers));

        ALOGV("got %d input and %d output buffers",
              state->mInBuffers.size(), state->mOutBuffers.size());
    }

    bool sawInputEOS = false;

    for (;;) {
        if (!sawInputEOS) {
            size_t trackIndex;
            status_t err = extractor->getSampleTrackIndex(&trackIndex);

            if (err != OK) {
                ALOGV("saw input eos");
                sawInputEOS = true;
            } else {
                CodecState *state = &stateByTrack.editValueFor(trackIndex);

                size_t index;
                err = state->mCodec->dequeueInputBuffer(&index, kTimeout);
//.........这里部分代码省略.........

status_t BnMediaPlayerService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case CREATE_URL: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            pid_t pid = data.readInt32();
            sp<IMediaPlayerClient> client =
                interface_cast<IMediaPlayerClient>(data.readStrongBinder());
            const char* url = data.readCString();

            KeyedVector<String8, String8> headers;
            int32_t numHeaders = data.readInt32();
            for (int i = 0; i < numHeaders; ++i) {
                String8 key = data.readString8();
                String8 value = data.readString8();
                headers.add(key, value);
            }

            sp<IMediaPlayer> player = create(
                    pid, client, url, numHeaders > 0 ? &headers : NULL);

            reply->writeStrongBinder(player->asBinder());
            return NO_ERROR;
        } break;
        case CREATE_FD: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            pid_t pid = data.readInt32();
            sp<IMediaPlayerClient> client = interface_cast<IMediaPlayerClient>(data.readStrongBinder());
            int fd = dup(data.readFileDescriptor());
            int64_t offset = data.readInt64();
            int64_t length = data.readInt64();
            sp<IMediaPlayer> player = create(pid, client, fd, offset, length);
            reply->writeStrongBinder(player->asBinder());
            return NO_ERROR;
        } break;
        case DECODE_URL: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            const char* url = data.readCString();
            uint32_t sampleRate;
            int numChannels;
            int format;
            sp<IMemory> player = decode(url, &sampleRate, &numChannels, &format);
            reply->writeInt32(sampleRate);
            reply->writeInt32(numChannels);
            reply->writeInt32(format);
            reply->writeStrongBinder(player->asBinder());
            return NO_ERROR;
        } break;
        case DECODE_FD: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            int fd = dup(data.readFileDescriptor());
            int64_t offset = data.readInt64();
            int64_t length = data.readInt64();
            uint32_t sampleRate;
            int numChannels;
            int format;
            sp<IMemory> player = decode(fd, offset, length, &sampleRate, &numChannels, &format);
            reply->writeInt32(sampleRate);
            reply->writeInt32(numChannels);
            reply->writeInt32(format);
            reply->writeStrongBinder(player->asBinder());
            return NO_ERROR;
        } break;
        case SNOOP: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IMemory> snooped_audio = snoop();
            reply->writeStrongBinder(snooped_audio->asBinder());
            return NO_ERROR;
        } break;
        case CREATE_MEDIA_RECORDER: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            pid_t pid = data.readInt32();
            sp<IMediaRecorder> recorder = createMediaRecorder(pid);
            reply->writeStrongBinder(recorder->asBinder());
            return NO_ERROR;
        } break;
        case CREATE_METADATA_RETRIEVER: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            pid_t pid = data.readInt32();
            sp<IMediaMetadataRetriever> retriever = createMetadataRetriever(pid);
            reply->writeStrongBinder(retriever->asBinder());
            return NO_ERROR;
        } break;
        case GET_OMX: {
            CHECK_INTERFACE(IMediaPlayerService, data, reply);
            sp<IOMX> omx = getOMX();
            reply->writeStrongBinder(omx->asBinder());
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

static int muxing(
        const char *path,
        bool useAudio,
        bool useVideo,
        const char *outputFileName,
        bool enableTrim,
        int trimStartTimeMs,
        int trimEndTimeMs,
        int rotationDegrees,
        MediaMuxer::OutputFormat container = MediaMuxer::OUTPUT_FORMAT_MPEG_4) {
    sp<NuMediaExtractor> extractor = new NuMediaExtractor;
    if (extractor->setDataSource(NULL /* httpService */, path) != OK) {
        fprintf(stderr, "unable to instantiate extractor. %s\n", path);
        return 1;
    }

    if (outputFileName == NULL) {
        outputFileName = "/sdcard/muxeroutput.mp4";
    }

    ALOGV("input file %s, output file %s", path, outputFileName);
    ALOGV("useAudio %d, useVideo %d", useAudio, useVideo);

    int fd = open(outputFileName, O_CREAT | O_LARGEFILE | O_TRUNC | O_RDWR, S_IRUSR | S_IWUSR);

    if (fd < 0) {
        ALOGE("couldn't open file");
        return fd;
    }
    sp<MediaMuxer> muxer = new MediaMuxer(fd, container);
    close(fd);

    size_t trackCount = extractor->countTracks();
    // Map the extractor's track index to the muxer's track index.
    KeyedVector<size_t, ssize_t> trackIndexMap;
    size_t bufferSize = 1 * 1024 * 1024;  // default buffer size is 1MB.

    bool haveAudio = false;
    bool haveVideo = false;

    int64_t trimStartTimeUs = trimStartTimeMs * 1000;
    int64_t trimEndTimeUs = trimEndTimeMs * 1000;
    bool trimStarted = false;
    int64_t trimOffsetTimeUs = 0;

    for (size_t i = 0; i < trackCount; ++i) {
        sp<AMessage> format;
        status_t err = extractor->getTrackFormat(i, &format);
        CHECK_EQ(err, (status_t)OK);
        ALOGV("extractor getTrackFormat: %s", format->debugString().c_str());

        AString mime;
        CHECK(format->findString("mime", &mime));

        bool isAudio = !strncasecmp(mime.c_str(), "audio/", 6);
        bool isVideo = !strncasecmp(mime.c_str(), "video/", 6);

        if (useAudio && !haveAudio && isAudio) {
            haveAudio = true;
        } else if (useVideo && !haveVideo && isVideo) {
            haveVideo = true;
        } else {
            continue;
        }

        if (isVideo) {
            int width , height;
            CHECK(format->findInt32("width", &width));
            CHECK(format->findInt32("height", &height));
            bufferSize = width * height * 4;  // Assuming it is maximally 4BPP
        }

        int64_t duration;
        CHECK(format->findInt64("durationUs", &duration));

        // Since we got the duration now, correct the start time.
        if (enableTrim) {
            if (trimStartTimeUs > duration) {
                fprintf(stderr, "Warning: trimStartTimeUs > duration,"
                                " reset to 0\n");
                trimStartTimeUs = 0;
            }
        }

        ALOGV("selecting track %zu", i);

        err = extractor->selectTrack(i);
        CHECK_EQ(err, (status_t)OK);

        ssize_t newTrackIndex = muxer->addTrack(format);
        if (newTrackIndex < 0) {
            fprintf(stderr, "%s track (%zu) unsupported by muxer\n",
                    isAudio ? "audio" : "video",
                    i);
        } else {
            trackIndexMap.add(i, newTrackIndex);
        }
    }

    int64_t muxerStartTimeUs = ALooper::GetNowUs();
//.........这里部分代码省略.........