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Java Parameters.setPreviewSize方法代码示例

本文整理汇总了Java中android.hardware.Camera.Parameters.setPreviewSize方法的典型用法代码示例。如果您正苦于以下问题：Java Parameters.setPreviewSize方法的具体用法？Java Parameters.setPreviewSize怎么用？Java Parameters.setPreviewSize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android.hardware.Camera.Parameters的用法示例。


在下文中一共展示了Parameters.setPreviewSize方法的15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Java代码示例。

示例1: configPreviewSize2

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
public BarcodeCameraConfig configPreviewSize2(int viewWidth, int viewHeight) {
    Parameters params = camera.getParameters();
    List<Size> sizes = params.getSupportedPreviewSizes();
    if (sizes == null || sizes.size() <= 0) {
        return this;
    }

    Size bestSize = null;
    int diff = Integer.MAX_VALUE;

    for (Size tmpSize : sizes) {
        int newDiff = Math.abs(tmpSize.width - viewWidth) + Math.abs(tmpSize.height - viewHeight);
        if (newDiff == 0) {
            bestSize = tmpSize;
            break;
        } else if (newDiff < diff) {
            bestSize = tmpSize;
            diff = newDiff;
        }
    }
    params.setPreviewSize(bestSize.width, bestSize.height);
    camera.setParameters(params);
    return this;
}
开发者ID:vitaviva，项目名称:QRCodeScanner，代码行数:25，代码来源:BarcodeCameraConfig.java

示例2: prepare

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
public boolean prepare() {
        try {
            f = new SurfaceTexture(0);

//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
//                f.setDefaultBufferSize(10000, 10000);
//            }
           // SurfaceHolder h = new SurfaceView(JCL_ApplicationContext.getContext()).getHolder();
            //mCamera.setPreviewDisplay(h);
            mCamera.setPreviewTexture(f);
        } catch (IOException e1) {
            Log.e("JCLCAMERA", e1.getMessage());
            return false;
        }

        Parameters params = mCamera.getParameters();
        params.setPreviewSize(width, height);
        params.setPictureSize(width, height);

        params.setJpegQuality(50);
        params.setFlashMode(Parameters.FLASH_MODE_OFF);
        params.setPictureFormat(ImageFormat.JPEG);
        mCamera.setParameters(params);
        return true;
    }
开发者ID:AndreJCL，项目名称:JCL，代码行数:26，代码来源:JCL_Camera.java

示例3: updateCamera

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
protected synchronized void updateCamera() throws RuntimeException {
	if (mPreviewStarted) {
		mPreviewStarted = false;
		mCamera.stopPreview();
	}

	Parameters parameters = mCamera.getParameters();
	mQuality = VideoQuality.determineClosestSupportedResolution(parameters, mQuality);
	int[] max = VideoQuality.determineMaximumSupportedFramerate(parameters);
	parameters.setPreviewFormat(mCameraImageFormat);
	parameters.setPreviewSize(mQuality.resX, mQuality.resY);
	parameters.setPreviewFpsRange(max[0], max[1]);

	try {
		mCamera.setParameters(parameters);
		mCamera.setDisplayOrientation(mOrientation);
		mCamera.startPreview();
		mPreviewStarted = true;
	} catch (RuntimeException e) {
		destroyCamera();
		throw e;
	}
}
开发者ID:ghazi94，项目名称:Android_CCTV，代码行数:24，代码来源:VideoStream.java

示例4: setupCameraAndStartPreview

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
public void setupCameraAndStartPreview(SurfaceHolder sf, Size sz, int displayRotation) {
	stopCameraPreview();
	
	cameraRotationDegree = CameraHelper.setCameraDisplayOrientation(defaultCameraID, camera, displayRotation);

	chooseCamcorderProfile(sz);

	// tweak profile
	profile.fileFormat = MediaRecorder.OutputFormat.THREE_GPP;
	profile.audioSampleRate = 16000;
	profile.audioChannels = 1;
	profile.audioBitRate = 96000;

	Parameters param = camera.getParameters();

	param.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
	param.setPreviewSize(profile.videoFrameWidth, profile.videoFrameHeight);
       if (Build.VERSION.SDK_INT >= 14)
           param.setRecordingHint(true);
	camera.setParameters(param);
	
	if (setDisplay(sf)) {
		startCameraPreview();
	}	
}
开发者ID:lukamarin，项目名称:Rocket.Chat-android，代码行数:26，代码来源:CameraManager.java

示例5: startPreview

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
private void startPreview(SurfaceHolder holder) {
	try {

		Parameters params = camera.getParameters();

		if (params.getSupportedFocusModes().contains(
				Camera.Parameters.FOCUS_MODE_AUTO)) {
			params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
		}

		List<Size> previewSizes = camera.getParameters().getSupportedPreviewSizes();
		List<Size> pictureSizes = camera.getParameters().getSupportedPictureSizes();

           params.setPreviewSize(previewSizes.get(previewSizes.size()-2).width,previewSizes.get(previewSizes.size()-2).height);
		params.setPictureSize(pictureSizes.get(pictureSizes.size()-2).width,pictureSizes.get(pictureSizes.size()-2).height);
		camera.setParameters(params);

		camera.setPreviewDisplay(holder);
		camera.startPreview();

		previewConsumer.start(camera);
	} catch(IOException e) {
		Log.e(TAG, "Error starting camera preview", e);
	}
}
开发者ID:zom，项目名称:Zom-Android，代码行数:26，代码来源:CameraView.java

示例6: setDefaultParameters

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
private static void setDefaultParameters(){
	Parameters parameters = mCamera.getParameters();
	if (parameters.getSupportedFocusModes().contains(
               Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
           parameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
       }
	Size previewSize = getLargePreviewSize();
	parameters.setPreviewSize(1280, 720);
	Size pictureSize = getLargePictureSize();
	parameters.setPictureSize(pictureSize.width, pictureSize.height);
	mCamera.setParameters(parameters);
}
开发者ID:smartbeng，项目名称:PaoMovie，代码行数:13，代码来源:CameraEngine.java

示例7: setupCameraParameters

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
public void setupCameraParameters() {
    Size optimalSize = getOptimalPreviewSize();
    Parameters parameters = this.mCamera.getParameters();
    parameters.setPreviewSize(optimalSize.width, optimalSize.height);
    this.mCamera.setParameters(parameters);
    adjustViewSize(optimalSize);
}
开发者ID:JackChan1999，项目名称:boohee_v5.6，代码行数:8，代码来源:CameraPreview.java

示例8: updateCamera

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
protected synchronized void updateCamera() throws RuntimeException {
	
	// The camera is already correctly configured
	if (mUpdated) return;
	
	if (mPreviewStarted) {
		mPreviewStarted = false;
		mCamera.stopPreview();
	}

	Parameters parameters = mCamera.getParameters();
	mQuality = VideoQuality.determineClosestSupportedResolution(parameters, mQuality);
	int[] max = VideoQuality.determineMaximumSupportedFramerate(parameters);
	
	double ratio = (double)mQuality.resX/(double)mQuality.resY;
	mSurfaceView.requestAspectRatio(ratio);
	
	parameters.setPreviewFormat(mCameraImageFormat);
	parameters.setPreviewSize(mQuality.resX, mQuality.resY);
	parameters.setPreviewFpsRange(max[0], max[1]);

	try {
		mCamera.setParameters(parameters);
		mCamera.setDisplayOrientation(mOrientation);
		mCamera.startPreview();
		mPreviewStarted = true;
		mUpdated = true;
	} catch (RuntimeException e) {
		destroyCamera();
		throw e;
	}
}
开发者ID:galme，项目名称:ROLF-EV3，代码行数:33，代码来源:VideoStream.java

示例9: configureForPreview

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
public void configureForPreview(int viewWidth, int viewHeight) {
    final Parameters params = mNativeCamera.getNativeCameraParameters();
    final CameraSize previewSize = getOptimalSize(params.getSupportedPreviewSizes(), viewWidth, viewHeight);

    params.setPreviewSize(previewSize.getWidth(), previewSize.getHeight());
    params.setPreviewFormat(ImageFormat.NV21);
    mNativeCamera.updateNativeCameraParameters(params);
    mNativeCamera.setDisplayOrientation(getRotationCorrection());
    CLog.d(CLog.CAMERA, "Preview size: " + previewSize.getWidth() + "x" + previewSize.getHeight());
}
开发者ID:linglongxin24，项目名称:VideoCamera，代码行数:11，代码来源:CameraWrapper.java

示例10: run

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
@Override
public void run() {
	if (mCamera == null) {
		return;
	}
	mCamera.stopPreview();

	Parameters params = mCamera.getParameters();

	zoomRatios = params.getZoomRatios();
	zoomIndex = minZoomIndex = 0;
	maxZoomIndex = params.getMaxZoom();

	List<Camera.Size> sizes = params.getSupportedPreviewSizes();
	List<Camera.Size> vSize = params.getSupportedVideoSizes();
	Camera.Size size = CameraHelper.getOptimalPreviewSize(sizes, vSize);
	if(size != null)
	{
		params.setPreviewSize(size.width, size.height);
		mCamera.setParameters(params);

		resolutionSize = size;
	}else {
		resolutionSize = null;
	}

	try {
		mCamera.setPreviewDisplay(mHolder);
		cameraDisplayOrientation = CameraHelper.getCameraDisplayOrientation(
				(Activity)mContext, currentCamera);
		mCamera.setDisplayOrientation(cameraDisplayOrientation);

		mCamera.startPreview();
	} catch (Exception e) {
		e.printStackTrace();
	}
}
开发者ID:orangecoder，项目名称:VideoRecord，代码行数:38，代码来源:MyCameraManager.java

示例11: setDefaultParameters

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
private static void setDefaultParameters(){
    Parameters parameters = camera.getParameters();
    if (parameters.getSupportedFocusModes().contains(
            Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
        parameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
    }
    Size previewSize = CameraUtils.getLargePreviewSize(camera);
    parameters.setPreviewSize(previewSize.width, previewSize.height);
    Size pictureSize = CameraUtils.getLargePictureSize(camera);
    parameters.setPictureSize(pictureSize.width, pictureSize.height);
    parameters.setRotation(90);
    camera.setParameters(parameters);
}
开发者ID:zpf527，项目名称:EffectCamera，代码行数:14，代码来源:CameraEngine.java

示例12: setupCameraAndStartPreview

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
public void setupCameraAndStartPreview(SurfaceHolder sf, Size sz, int displayRotation) {
    stopCameraPreview();

    cameraRotationDegree = CameraHelper.setCameraDisplayOrientation(defaultCameraID, camera, displayRotation);

    Parameters param = camera.getParameters();
    param.setPreviewSize(sz.width, sz.height);
    camera.setParameters(param);

    if (setDisplay(sf)) {
        startCameraPreview();
    }
}
开发者ID:AndroidKnife，项目名称:RecordHelper，代码行数:14，代码来源:CameraManager.java

示例13: updateCamera

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
protected synchronized void updateCamera() throws RuntimeException {
	
	// The camera is already correctly configured
	if (mUpdated) return;
	
	if (mPreviewStarted) {
		mPreviewStarted = false;
		mCamera.stopPreview();
	}

	Parameters parameters = mCamera.getParameters();
	mQuality = VideoQuality.determineClosestSupportedResolution(parameters, mQuality);
	int[] max = VideoQuality.determineMaximumSupportedFramerate(parameters);
	
	double ratio = (double)mQuality.resX/(double)mQuality.resY;
	mSurfaceView.requestAspectRatio(ratio);
	
	parameters.setPreviewFormat(mCameraImageFormat);
	parameters.setPreviewSize(mQuality.resX, mQuality.resY);
	//int cur_fr = mQuality.framerate * 1000;
	//if(max[0] < cur_fr && cur_fr < max[1])
	//	max[0] = max[1] = cur_fr;
	parameters.setPreviewFpsRange(max[0], max[1]);
       parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);   //focus

	try {
		mCamera.setParameters(parameters);
		mCamera.setDisplayOrientation(mOrientation);
		mCamera.startPreview();
		//mCamera.cancelAutoFocus();
		mPreviewStarted = true;
		mUpdated = true;
	} catch (RuntimeException e) {
		destroyCamera();
		throw e;
	}
}
开发者ID:xunboo，项目名称:JJCamera，代码行数:38，代码来源:VideoStream.java

示例14: setupCaptureParams

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
private void setupCaptureParams(Parameters parameters) {
    List<Size> supportedSizes = parameters.getSupportedPreviewSizes();
    if (!findBestPreviewSize(supportedSizes, true, true)) {
        Log.w(TAG, "No 4:3 ratio preview size supported.");
        if (!findBestPreviewSize(supportedSizes, false, true)) {
            Log.w(TAG, "Can't find a supported preview size smaller than 960x720.");
            findBestPreviewSize(supportedSizes, false, false);
        }
    }
    Log.d(TAG, "camera preview h = "
                + mCameraPreviewHeight + " , w = " + mCameraPreviewWidth);
    parameters.setPreviewSize(mCameraPreviewWidth, mCameraPreviewHeight);

    List<int[]> frameRates = parameters.getSupportedPreviewFpsRange();
    int last = frameRates.size() - 1;
    int minFps = (frameRates.get(last))[Parameters.PREVIEW_FPS_MIN_INDEX];
    int maxFps = (frameRates.get(last))[Parameters.PREVIEW_FPS_MAX_INDEX];
    parameters.setPreviewFpsRange(minFps, maxFps);
    Log.d(TAG, "preview fps: " + minFps + ", " + maxFps);

    List<String> supportedFocusModes = parameters.getSupportedFocusModes();
    if (supportedFocusModes.indexOf(mTargetFocusMode) >= 0) {
        parameters.setFocusMode(mTargetFocusMode);
    } else {
        // Use the default focus mode and log a message
        Log.w(TAG, "Cannot set the focus mode to " + mTargetFocusMode +
              " becuase the mode is not supported.");
    }

    parameters.set(CameraUtil.RECORDING_HINT, CameraUtil.FALSE);

    mHorizontalViewAngle = parameters.getHorizontalViewAngle();
    mVerticalViewAngle =  parameters.getVerticalViewAngle();
}
开发者ID:asm-products，项目名称:nexus-camera，代码行数:35，代码来源:WideAnglePanoramaModule.java

示例15: surfaceChanged

import android.hardware.Camera.Parameters; //导入方法依赖的package包/类
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
    // Now that the size is known, set up the camera parameters and begin
    // the preview.
    try {

        Parameters parameters = camera.getParameters();
        Display display = ((WindowManager)mcontext.getApplicationContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
        parameters.setPreviewSize(mPreviewSize.width,mPreviewSize.height);

        if(display.getRotation() == Surface.ROTATION_0)
        {
            camera.setDisplayOrientation(90);
        } else if(display.getRotation() == Surface.ROTATION_180)
        {
            camera.setDisplayOrientation(270);
        } else if(display.getRotation() == Surface.ROTATION_270)
        {
            camera.setDisplayOrientation(180);
        }

        camera.setParameters(parameters);
        camera.startPreview();
    } catch (Exception e) {
        try {

        } catch (Exception ee) {
        }

    }
}
开发者ID:IanEH，项目名称:YASFA1，代码行数:31，代码来源:CameraLayout.java


注：本文中的android.hardware.Camera.Parameters.setPreviewSize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。