本文整理汇总了Java中android.hardware.Camera.Parameters.setPreviewFpsRange方法的典型用法代码示例。如果您正苦于以下问题：Java Parameters.setPreviewFpsRange方法的具体用法？Java Parameters.setPreviewFpsRange怎么用？Java Parameters.setPreviewFpsRange使用的例子？那么恭喜您, 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.setPreviewFpsRange方法的4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: 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;
}
}
示例2: 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;
}
}
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 {
// 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;
}
}
示例4: 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();
}