Java Code Examples for android.hardware.Camera.Parameters#setPreviewFormat()
The following examples show how to use
android.hardware.Camera.Parameters#setPreviewFormat() .
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Example 1
| Source File: VideoStream.java From spydroid-ipcamera with GNU General Public License v3.0 | 6 votes |
|
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;
}
}
Example 2
| Source File: CameraWrapper.java From VideoCamera with Apache License 2.0 | 5 votes |
|
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());
}
Example 3
| Source File: CameraWrapper.java From LandscapeVideoCamera with Apache License 2.0 | 5 votes |
|
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());
}
Example 4
| Source File: VideoStream.java From libstreaming with Apache License 2.0 | 5 votes |
|
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;
}
}
Example 5
| Source File: AndroidCameraAgentImpl.java From Camera2 with Apache License 2.0 | 4 votes |
|
private void applySettingsToParameters(final CameraSettings settings,
final Parameters parameters) {
final CameraCapabilities.Stringifier stringifier = mCapabilities.getStringifier();
Size photoSize = settings.getCurrentPhotoSize();
parameters.setPictureSize(photoSize.width(), photoSize.height());
Size previewSize = settings.getCurrentPreviewSize();
parameters.setPreviewSize(previewSize.width(), previewSize.height());
if (settings.getPreviewFrameRate() == -1) {
parameters.setPreviewFpsRange(settings.getPreviewFpsRangeMin(),
settings.getPreviewFpsRangeMax());
} else {
parameters.setPreviewFrameRate(settings.getPreviewFrameRate());
}
parameters.setPreviewFormat(settings.getCurrentPreviewFormat());
parameters.setJpegQuality(settings.getPhotoJpegCompressionQuality());
if (mCapabilities.supports(CameraCapabilities.Feature.ZOOM)) {
parameters.setZoom(zoomRatioToIndex(settings.getCurrentZoomRatio(),
parameters.getZoomRatios()));
}
parameters.setExposureCompensation(settings.getExposureCompensationIndex());
if (mCapabilities.supports(CameraCapabilities.Feature.AUTO_EXPOSURE_LOCK)) {
parameters.setAutoExposureLock(settings.isAutoExposureLocked());
}
parameters.setFocusMode(stringifier.stringify(settings.getCurrentFocusMode()));
if (mCapabilities.supports(CameraCapabilities.Feature.AUTO_WHITE_BALANCE_LOCK)) {
parameters.setAutoWhiteBalanceLock(settings.isAutoWhiteBalanceLocked());
}
if (settings.getWhiteBalance() != null) {
parameters.setWhiteBalance(stringifier.stringify(settings.getWhiteBalance()));
}
if (mCapabilities.supports(CameraCapabilities.Feature.FOCUS_AREA)) {
if (settings.getFocusAreas().size() != 0) {
parameters.setFocusAreas(settings.getFocusAreas());
} else {
parameters.setFocusAreas(null);
}
}
if (mCapabilities.supports(CameraCapabilities.Feature.METERING_AREA)) {
if (settings.getMeteringAreas().size() != 0) {
parameters.setMeteringAreas(settings.getMeteringAreas());
} else {
parameters.setMeteringAreas(null);
}
}
if (settings.getCurrentFlashMode() != CameraCapabilities.FlashMode.NO_FLASH) {
parameters.setFlashMode(stringifier.stringify(settings.getCurrentFlashMode()));
}
if (settings.getCurrentSceneMode() != CameraCapabilities.SceneMode.NO_SCENE_MODE) {
if (settings.getCurrentSceneMode() != null) {
parameters
.setSceneMode(stringifier.stringify(settings.getCurrentSceneMode()));
}
}
parameters.setRecordingHint(settings.isRecordingHintEnabled());
Size jpegThumbSize = settings.getExifThumbnailSize();
if (jpegThumbSize != null) {
parameters.setJpegThumbnailSize(jpegThumbSize.width(), jpegThumbSize.height());
}
parameters.setPictureFormat(settings.getCurrentPhotoFormat());
CameraSettings.GpsData gpsData = settings.getGpsData();
if (gpsData == null) {
parameters.removeGpsData();
} else {
parameters.setGpsTimestamp(gpsData.timeStamp);
if (gpsData.processingMethod != null) {
// It's a hack since we always use GPS time stamp but does
// not use other fields sometimes. Setting processing
// method to null means the other fields should not be used.
parameters.setGpsAltitude(gpsData.altitude);
parameters.setGpsLatitude(gpsData.latitude);
parameters.setGpsLongitude(gpsData.longitude);
parameters.setGpsProcessingMethod(gpsData.processingMethod);
}
}
}
Example 6
| Source File: CodeScanner.java From code-scanner with MIT License | 4 votes |
|
private void initialize() {
Camera camera = null;
final CameraInfo cameraInfo = new CameraInfo();
final int cameraId = mCameraId;
if (cameraId == CAMERA_BACK || cameraId == CAMERA_FRONT) {
final int numberOfCameras = Camera.getNumberOfCameras();
final int facing = cameraId == CAMERA_BACK ? CameraInfo.CAMERA_FACING_BACK :
CameraInfo.CAMERA_FACING_FRONT;
for (int i = 0; i < numberOfCameras; i++) {
Camera.getCameraInfo(i, cameraInfo);
if (cameraInfo.facing == facing) {
camera = Camera.open(i);
mCameraId = i;
break;
}
}
} else {
camera = Camera.open(cameraId);
Camera.getCameraInfo(cameraId, cameraInfo);
}
if (camera == null) {
throw new CodeScannerException("Unable to access camera");
}
final Parameters parameters = camera.getParameters();
if (parameters == null) {
throw new CodeScannerException("Unable to configure camera");
}
final int orientation = Utils.getDisplayOrientation(mContext, cameraInfo);
final boolean portrait = Utils.isPortrait(orientation);
final Point imageSize =
Utils.findSuitableImageSize(parameters, portrait ? mHeight : mWidth,
portrait ? mWidth : mHeight);
final int imageWidth = imageSize.getX();
final int imageHeight = imageSize.getY();
parameters.setPreviewSize(imageWidth, imageHeight);
parameters.setPreviewFormat(ImageFormat.NV21);
final Point previewSize = Utils.getPreviewSize(portrait ? imageHeight : imageWidth,
portrait ? imageWidth : imageHeight, mWidth, mHeight);
final List<String> focusModes = parameters.getSupportedFocusModes();
final boolean autoFocusSupported = focusModes != null &&
(focusModes.contains(Parameters.FOCUS_MODE_AUTO) ||
focusModes.contains(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE));
if (!autoFocusSupported) {
mAutoFocusEnabled = false;
}
final Point viewSize = new Point(mWidth, mHeight);
if (autoFocusSupported && mAutoFocusEnabled) {
Utils.setAutoFocusMode(parameters, mAutoFocusMode);
final Rect frameRect = mScannerView.getFrameRect();
if (frameRect != null) {
Utils.configureDefaultFocusArea(parameters, frameRect, previewSize, viewSize,
imageWidth, imageHeight, orientation);
}
}
final List<String> flashModes = parameters.getSupportedFlashModes();
final boolean flashSupported =
flashModes != null && flashModes.contains(Parameters.FLASH_MODE_TORCH);
if (!flashSupported) {
mFlashEnabled = false;
}
final int zoom = mZoom;
if (zoom != 0) {
Utils.setZoom(parameters, zoom);
}
Utils.configureFpsRange(parameters);
Utils.configureSceneMode(parameters);
Utils.configureVideoStabilization(parameters);
camera.setParameters(parameters);
camera.setDisplayOrientation(orientation);
synchronized (mInitializeLock) {
final Decoder decoder =
new Decoder(mDecoderStateListener, mFormats, mDecodeCallback);
mDecoderWrapper =
new DecoderWrapper(camera, cameraInfo, decoder, imageSize, previewSize,
viewSize, orientation, autoFocusSupported, flashSupported);
decoder.start();
mInitialization = false;
mInitialized = true;
}
mMainThreadHandler.post(new FinishInitializationTask(previewSize));
}
Example 7
| Source File: AndroidCameraOutput.java From sensorhub with Mozilla Public License 2.0 | 4 votes |
|
@Override
public void init() throws SensorException
{
try
{
// TODO get closest values from camera characteristics
imgWidth = 800;
imgHeight = 600;
frameRate = 1;
// open camera and set parameters
camera = Camera.open(cameraId);
Parameters camParams = camera.getParameters();
camParams.setPreviewSize(imgWidth, imgHeight);
camParams.setPreviewFormat(ImageFormat.NV21);
camera.setParameters(camParams);
// setup buffers and callback
imgArea = new Rect(0, 0, imgWidth, imgHeight);
int bufSize = imgWidth*imgHeight*ImageFormat.getBitsPerPixel(ImageFormat.NV21)/8;
imgBuf1 = new byte[bufSize];
yuvImg1 = new YuvImage(imgBuf1, ImageFormat.NV21, imgWidth, imgHeight, null);
imgBuf2 = new byte[bufSize];
yuvImg2 = new YuvImage(imgBuf2, ImageFormat.NV21, imgWidth, imgHeight, null);
camera.addCallbackBuffer(imgBuf1);
camera.addCallbackBuffer(imgBuf2);
camera.setPreviewCallbackWithBuffer(this);
camera.setDisplayOrientation(90);
// create SWE Common data structure
SWEFactory fac = new SWEFactory();
dataStruct = fac.newDataRecord(2);
dataStruct.setName(getName());
Time time = fac.newTime();
time.getUom().setHref(Time.ISO_TIME_UNIT);
time.setDefinition(SWEConstants.DEF_SAMPLING_TIME);
time.setReferenceFrame(TIME_REF);
dataStruct.addComponent("time", time);
DataArray img = fac.newDataArray(imgHeight);
img.setDefinition("http://sensorml.com/ont/swe/property/VideoFrame");
dataStruct.addComponent("videoFrame", img);
DataArray imgRow = fac.newDataArray(imgWidth);
img.addComponent("row", imgRow);
DataRecord imgPixel = fac.newDataRecord(3);
imgPixel.addComponent("red", fac.newCount(DataType.BYTE));
imgPixel.addComponent("green", fac.newCount(DataType.BYTE));
imgPixel.addComponent("blue", fac.newCount(DataType.BYTE));
imgRow.addComponent("pixel", imgPixel);
// SWE Common encoding
dataEncoding = fac.newBinaryEncoding();
dataEncoding.setByteEncoding(ByteEncoding.RAW);
dataEncoding.setByteOrder(ByteOrder.BIG_ENDIAN);
BinaryComponent timeEnc = fac.newBinaryComponent();
timeEnc.setRef("/" + time.getName());
timeEnc.setCdmDataType(DataType.DOUBLE);
dataEncoding.addMemberAsComponent(timeEnc);
//BinaryBlock compressedBlock = fac.newBinaryBlock();
//compressedBlock.setRef("/" + img.getName());
//compressedBlock.setCompression("H264");
BinaryBlock compressedBlock = fac.newBinaryBlock();
compressedBlock.setRef("/" + img.getName());
compressedBlock.setCompression("JPEG");
dataEncoding.addMemberAsBlock(compressedBlock);
// resolve encoding so compressed blocks can be properly generated
SWEHelper.assignBinaryEncoding(dataStruct, dataEncoding);
// start streaming video
if (previewSurfaceHolder != null)
camera.setPreviewDisplay(previewSurfaceHolder);
camera.startPreview();
}
catch (Exception e)
{
throw new SensorException("Cannot access camera " + cameraId, e);
}
}
