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C++ Parcel::readFloat方法代码示例

本文整理汇总了C++中Parcel::readFloat方法的典型用法代码示例。如果您正苦于以下问题：C++ Parcel::readFloat方法的具体用法？C++ Parcel::readFloat怎么用？C++ Parcel::readFloat使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Parcel的用法示例。


在下文中一共展示了Parcel::readFloat方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: read

status_t layer_state_t::read(const Parcel& input)
{
    surface = input.readStrongBinder();
    what = input.readUint32();
    x = input.readFloat();
    y = input.readFloat();
    z = input.readUint32();
    w = input.readUint32();
    h = input.readUint32();
    layerStack = input.readUint32();
    alpha = input.readFloat();
    flags = static_cast<uint8_t>(input.readUint32());
    mask = static_cast<uint8_t>(input.readUint32());
    const void* matrix_data = input.readInplace(sizeof(layer_state_t::matrix22_t));
    if (matrix_data) {
        matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(matrix_data);
    } else {
        return BAD_VALUE;
    }
    input.read(crop);
    input.read(finalCrop);
    handle = input.readStrongBinder();
    frameNumber = input.readUint64();
    overrideScalingMode = input.readInt32();
    input.read(transparentRegion);
    return NO_ERROR;
}
开发者ID:android-source，项目名称:platform_frameworks_native，代码行数:27，代码来源:LayerState.cpp

示例2: android_os_Parcel_readFloat

static jfloat android_os_Parcel_readFloat(JNIEnv* env, jclass clazz, jlong nativePtr)
{
    Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
    if (parcel != NULL) {
        return parcel->readFloat();
    }
    return 0;
}
开发者ID:7tiny，项目名称:platform_frameworks_base，代码行数:8，代码来源:android_os_Parcel.cpp

示例3: invoke

status_t AAH_RXPlayer::invoke(const Parcel& request, Parcel *reply) {
    if (!reply) {
        return BAD_VALUE;
    }

    int32_t magic;
    status_t err = request.readInt32(&magic);
    if (err != OK) {
        reply->writeInt32(err);
        return OK;
    }

    if (magic != 0x12345) {
        reply->writeInt32(BAD_VALUE);
        return OK;
    }

    int32_t methodID;
    err = request.readInt32(&methodID);
    if (err != OK) {
        reply->writeInt32(err);
        return OK;
    }

    switch (methodID) {
        // Get Volume
        case INVOKE_GET_MASTER_VOLUME: {
            if (audio_flinger_ != NULL) {
                reply->writeInt32(OK);
                reply->writeFloat(audio_flinger_->masterVolume());
            } else {
                reply->writeInt32(UNKNOWN_ERROR);
            }
        } break;

        // Set Volume
        case INVOKE_SET_MASTER_VOLUME: {
            float targetVol = request.readFloat();
            reply->writeInt32(audio_flinger_->setMasterVolume(targetVol));
        } break;

        default: return BAD_VALUE;
    }

    return OK;
}
开发者ID:0-t，项目名称:android_frameworks_av，代码行数:46，代码来源:aah_rx_player.cpp

示例4: onTransact

status_t BnMediaPlayer::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case DISCONNECT: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            disconnect();
            return NO_ERROR;
        } break;
        case SET_VIDEO_SURFACE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            sp<ISurface> surface = interface_cast<ISurface>(data.readStrongBinder());
            reply->writeInt32(setVideoSurface(surface));
            return NO_ERROR;
        } break;
        case PREPARE_ASYNC: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(prepareAsync());
            return NO_ERROR;
        } break;
        case START: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(start());
            return NO_ERROR;
        } break;
        case STOP: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(stop());
            return NO_ERROR;
        } break;
        case IS_PLAYING: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            bool state;
            status_t ret = isPlaying(&state);
            reply->writeInt32(state);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case PAUSE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(pause());
            return NO_ERROR;
        } break;
        case SEEK_TO: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(seekTo(data.readInt32()));
            return NO_ERROR;
        } break;
        case GET_CURRENT_POSITION: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int msec;
            status_t ret = getCurrentPosition(&msec);
            reply->writeInt32(msec);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case GET_DURATION: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int msec;
            status_t ret = getDuration(&msec);
            reply->writeInt32(msec);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case RESET: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(reset());
            return NO_ERROR;
        } break;
        case SET_AUDIO_STREAM_TYPE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setAudioStreamType(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_LOOPING: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setLooping(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_VOLUME: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setVolume(data.readFloat(), data.readFloat()));
            return NO_ERROR;
        } break;
        case INVOKE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            invoke(data, reply);
            return NO_ERROR;
        } break;
        case SET_METADATA_FILTER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setMetadataFilter(data));
            return NO_ERROR;
        } break;
        case SUSPEND: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(suspend());
            return NO_ERROR;
        } break;
        case RESUME: {
//.........这里部分代码省略.........
开发者ID:DongheonKim，项目名称:android_frameworks_base，代码行数:101，代码来源:IMediaPlayer.cpp

示例5: onTransact


//.........这里部分代码省略.........
        } break;
        case PAUSE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(pause());
            return NO_ERROR;
        } break;
        case SEEK_TO: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(seekTo(data.readInt32()));
            return NO_ERROR;
        } break;
        case GET_CURRENT_POSITION: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int msec;
            status_t ret = getCurrentPosition(&msec);
            reply->writeInt32(msec);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case GET_DURATION: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int msec;
            status_t ret = getDuration(&msec);
            reply->writeInt32(msec);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case RESET: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(reset());
            return NO_ERROR;
        } break;
        case SET_AUDIO_STREAM_TYPE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setAudioStreamType(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_LOOPING: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setLooping(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_VOLUME: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            float leftVolume = data.readFloat();
            float rightVolume = data.readFloat();
            reply->writeInt32(setVolume(leftVolume, rightVolume));
            return NO_ERROR;
        } break;
        case INVOKE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            status_t result = invoke(data, reply);
            return result;
        } break;
        case SET_METADATA_FILTER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setMetadataFilter(data));
            return NO_ERROR;
        } break;
        case GET_METADATA: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            bool update_only = static_cast<bool>(data.readInt32());
            bool apply_filter = static_cast<bool>(data.readInt32());
            const status_t retcode = getMetadata(update_only, apply_filter, reply);
            reply->setDataPosition(0);
            reply->writeInt32(retcode);
            reply->setDataPosition(0);
            return NO_ERROR;
        } break;
        case SET_AUX_EFFECT_SEND_LEVEL: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setAuxEffectSendLevel(data.readFloat()));
            return NO_ERROR;
        } break;
        case ATTACH_AUX_EFFECT: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(attachAuxEffect(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_PARAMETER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int key = data.readInt32();

            Parcel request;
            if (data.dataAvail() > 0) {
                request.appendFrom(
                        const_cast<Parcel *>(&data), data.dataPosition(), data.dataAvail());
            }
            request.setDataPosition(0);
            reply->writeInt32(setParameter(key, request));
            return NO_ERROR;
        } break;
        case GET_PARAMETER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            return getParameter(data.readInt32(), reply);
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}
开发者ID:28vicky，项目名称:platform_frameworks_base，代码行数:101，代码来源:IMediaPlayer.cpp

示例6: onTransact

status_t BnGraphicBufferProducer::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case REQUEST_BUFFER: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            int bufferIdx   = data.readInt32();
            sp<GraphicBuffer> buffer;
            int result = requestBuffer(bufferIdx, &buffer);
            reply->writeInt32(buffer != 0);
            if (buffer != 0) {
                reply->write(*buffer);
            }
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case SET_BUFFER_COUNT: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            int bufferCount = data.readInt32();
            int result = setBufferCount(bufferCount);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case DEQUEUE_BUFFER: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            bool async      = data.readInt32();
            uint32_t w      = data.readInt32();
            uint32_t h      = data.readInt32();
            uint32_t format = data.readInt32();
            uint32_t usage  = data.readInt32();
            int buf;
            sp<Fence> fence;
            int result = dequeueBuffer(&buf, &fence, async, w, h, format, usage);
            reply->writeInt32(buf);
            reply->writeInt32(fence != NULL);
            if (fence != NULL) {
                reply->write(*fence);
            }
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case QUEUE_BUFFER: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            int buf = data.readInt32();
            QueueBufferInput input(data);
            QueueBufferOutput* const output =
                    reinterpret_cast<QueueBufferOutput *>(
                            reply->writeInplace(sizeof(QueueBufferOutput)));
            status_t result = queueBuffer(buf, input, output);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case CANCEL_BUFFER: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            int buf = data.readInt32();
            sp<Fence> fence = new Fence();
            data.read(*fence.get());
            cancelBuffer(buf, fence);
            return NO_ERROR;
        } break;
        case QUERY: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            int value;
            int what = data.readInt32();
            int res = query(what, &value);
            reply->writeInt32(value);
            reply->writeInt32(res);
            return NO_ERROR;
        } break;
        case CONNECT: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            sp<IBinder> token = data.readStrongBinder();
            int api = data.readInt32();
            bool producerControlledByApp = data.readInt32();
            QueueBufferOutput* const output =
                    reinterpret_cast<QueueBufferOutput *>(
                            reply->writeInplace(sizeof(QueueBufferOutput)));
            status_t res = connect(token, api, producerControlledByApp, output);
            reply->writeInt32(res);
            return NO_ERROR;
        } break;
        case DISCONNECT: {
            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
            int api = data.readInt32();
            status_t res = disconnect(api);
            reply->writeInt32(res);
            return NO_ERROR;
        } break;
		case SET_CROP: {
            Rect reg;
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            reg.left = data.readFloat();
            reg.top = data.readFloat();
            reg.right = data.readFloat();
            reg.bottom = data.readFloat();
            status_t result = setCrop(reg);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case SET_TRANSFORM: {
//.........这里部分代码省略.........
开发者ID:tempbottle，项目名称:InDashNet.Open.UN2000，代码行数:101，代码来源:IGraphicBufferProducer.cpp

示例7: onTransact

status_t BnSurfaceTexture::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case REQUEST_BUFFER: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            int bufferIdx   = data.readInt32();
            sp<GraphicBuffer> buffer;
            int result = requestBuffer(bufferIdx, &buffer);
            reply->writeInt32(buffer != 0);
            if (buffer != 0) {
                reply->write(*buffer);
            }
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case SET_BUFFER_COUNT: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            int bufferCount = data.readInt32();
            int result = setBufferCount(bufferCount);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case DEQUEUE_BUFFER: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            uint32_t w      = data.readInt32();
            uint32_t h      = data.readInt32();
            uint32_t format = data.readInt32();
            uint32_t usage  = data.readInt32();
            int buf;
            int result = dequeueBuffer(&buf, w, h, format, usage);
            reply->writeInt32(buf);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case QUEUE_BUFFER: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            int buf = data.readInt32();
            int64_t timestamp = data.readInt64();
            uint32_t outWidth, outHeight, outTransform;
            status_t result = queueBuffer(buf, timestamp,
                    &outWidth, &outHeight, &outTransform);
            reply->writeInt32(outWidth);
            reply->writeInt32(outHeight);
            reply->writeInt32(outTransform);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case CANCEL_BUFFER: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            int buf = data.readInt32();
            cancelBuffer(buf);
            return NO_ERROR;
        } break;
        case SET_CROP: {
            Rect reg;
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            reg.left = data.readFloat();
            reg.top = data.readFloat();
            reg.right = data.readFloat();
            reg.bottom = data.readFloat();
            status_t result = setCrop(reg);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case SET_TRANSFORM: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            uint32_t transform = data.readInt32();
            status_t result = setTransform(transform);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case SET_SCALING_MODE: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            int mode = data.readInt32();
            status_t result = setScalingMode(mode);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case QUERY: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            int value;
            int what = data.readInt32();
            int res = query(what, &value);
            reply->writeInt32(value);
            reply->writeInt32(res);
            return NO_ERROR;
        } break;
        case SET_SYNCHRONOUS_MODE: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            bool enabled = data.readInt32();
            status_t res = setSynchronousMode(enabled);
            reply->writeInt32(res);
            return NO_ERROR;
        } break;
        case CONNECT: {
            CHECK_INTERFACE(ISurfaceTexture, data, reply);
            int api = data.readInt32();
            uint32_t outWidth, outHeight, outTransform;
            status_t res = connect(api,
//.........这里部分代码省略.........
开发者ID:AwaisKing，项目名称:mt6577_aosp_source，代码行数:101，代码来源:ISurfaceTexture.cpp


注：本文中的Parcel::readFloat方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。