@Override
public synchronized void start() {
theCamera = Camera.open();
Camera.Parameters myParameters = theCamera.getParameters();
myParameters.setPreviewSize(theCamPreviewWidth, theCamPreviewHeight);
myParameters.setPreviewFpsRange(MIN_FPS, MAX_FPS);
myParameters.setSceneMode(SCENE_MODE_NIGHT);
myParameters.setFocusMode(FOCUS_MODE_AUTO);
myParameters.setWhiteBalance(WHITE_BALANCE_AUTO);
theCamera.setParameters(myParameters);
theCamera.setDisplayOrientation(DISPLAY_ORIENTATION);
}
public static void setBestPreviewFPS(Camera.Parameters parameters, int minFPS, int maxFPS) {
List<int[]> supportedPreviewFpsRanges = parameters.getSupportedPreviewFpsRange();
Log.i(TAG, "Supported FPS ranges: " + toString(supportedPreviewFpsRanges));
if (supportedPreviewFpsRanges != null && !supportedPreviewFpsRanges.isEmpty()) {
int[] suitableFPSRange = null;
for (int[] fpsRange : supportedPreviewFpsRanges) {
int thisMin = fpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX];
int thisMax = fpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX];
if (thisMin >= minFPS * 1000 && thisMax <= maxFPS * 1000) {
suitableFPSRange = fpsRange;
break;
}
}
if (suitableFPSRange == null) {
Log.i(TAG, "No suitable FPS range?");
} else {
int[] currentFpsRange = new int[2];
parameters.getPreviewFpsRange(currentFpsRange);
if (Arrays.equals(currentFpsRange, suitableFPSRange)) {
Log.i(TAG, "FPS range already set to " + Arrays.toString(suitableFPSRange));
} else {
Log.i(TAG, "Setting FPS range to " + Arrays.toString(suitableFPSRange));
parameters.setPreviewFpsRange(
suitableFPSRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
suitableFPSRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
}
}
}
}
/** 给摄像头设置好一系列相关参数，并开始预览 */
private void initCamera() {
azLog.log("isPreView", "" + isPreview);
if (mCamera != null && !isPreview) {
try {
Camera.Parameters parameters = mCamera.getParameters();
// 设置预览照片的大小
parameters.setPreviewSize(mPreviewWidth, mPreviewHeight);
// 设置预览照片时每秒显示多少帧的最小值和最大值
parameters.setPreviewFpsRange(mFrameMin, mFrameMax);
// 设置图片格式
parameters.setPictureFormat(mImageFormat);
// 设置JPG照片的质量
parameters.set("jpeg-quality", mImageQuality);
// 设置照片的大小
parameters.setPictureSize(mPictureWidth, mPictureHeight);
// 通过SurfaceView显示取景画面
mCamera.setPreviewDisplay(mSurfaceHolder);
// 开始预览
mCamera.startPreview();
azLog.log("AzCamera", "摄像头打开");
} catch (IOException e) {
e.printStackTrace();
}
isPreview = true;
}
}
private void initCamera() {
if (!isPreview) {
camera = Camera.open();
}
if (camera != null && !isPreview) {
streamIt = new StreamIt();
try {
Camera.Parameters parameters = camera.getParameters();
parameters.setPreviewSize(screenWidth, screenHeight); // 设置预览照片的大小
parameters.setPreviewFpsRange(20, 30); // 每秒显示20~30帧
parameters.setPictureFormat(ImageFormat.NV21); // 设置图片格式
parameters.setPictureSize(screenWidth, screenHeight); // 设置照片的大小
camera.setPreviewDisplay(surfaceHolder); // 通过SurfaceView显示取景画面
camera.setPreviewCallback(streamIt); // 设置回调的类
camera.startPreview(); // 开始预览
camera.autoFocus(null); // 自动对焦
} catch (Exception e) {
e.printStackTrace();
}
isPreview = true;
Thread postThread2 = new Thread(new postThread());
postThread2.start();
System.out.println("线程启动了@@@@@@@@@@@@@@@@@@@@@@@@@@");
}
}
// https://code.google.com/p/google-glass-api/issues/detail?id=232
public void googleGlassXE10WorkAround(Camera mCamera) {
Camera.Parameters params = mCamera.getParameters();
params.setPreviewFpsRange(30000, 30000);
params.setPreviewSize(640, 360);
mCamera.setParameters(params);
mCamera.setZoomChangeListener(this);
}
private void SetDesiredCameraParameter() {
if (mCamera == null) return;
Camera.Parameters parameters = mCamera.getParameters();
parameters.setPreviewFpsRange(30000, 30000);
mCamera.setParameters(parameters);
}
// Called by native code. Returns true if capturer is started.
//
// Note that this actually opens the camera, which can be a slow operation and
// thus might be done on a background thread, but ViE API needs a
// synchronous success return value so we can't do that.
private synchronized boolean startCapture(int width, int height, int min_mfps, int max_mfps) {
Log.d(TAG, "startCapture: " + width + "x" + height + "@" + min_mfps + ":" + max_mfps);
Throwable error = null;
try {
camera = Camera.open(id);
localPreview = ViERenderer.GetLocalRenderer();
if (localPreview != null) {
localPreview.addCallback(this);
if (localPreview.getSurface() != null && localPreview.getSurface().isValid()) {
camera.setPreviewDisplay(localPreview);
}
} else {
// No local renderer (we only care about onPreviewFrame() buffers, not a
// directly-displayed UI element). Camera won't capture without
// setPreview{Texture,Display}, so we create a dummy SurfaceTexture and
// hand it over to Camera, but never listen for frame-ready callbacks,
// and never call updateTexImage on it.
try {
// "42" because http://goo.gl/KaEn8
dummySurfaceTexture = new SurfaceTexture(42);
camera.setPreviewTexture(dummySurfaceTexture);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
Camera.Parameters parameters = camera.getParameters();
Log.d(TAG, "isVideoStabilizationSupported: " + parameters.isVideoStabilizationSupported());
if (parameters.isVideoStabilizationSupported()) {
parameters.setVideoStabilization(true);
}
parameters.setPreviewSize(width, height);
parameters.setPreviewFpsRange(min_mfps, max_mfps);
int format = ImageFormat.NV21;
parameters.setPreviewFormat(format);
camera.setParameters(parameters);
int bufSize = width * height * ImageFormat.getBitsPerPixel(format) / 8;
for (int i = 0; i < numCaptureBuffers; i++) {
camera.addCallbackBuffer(new byte[bufSize]);
}
camera.setPreviewCallbackWithBuffer(this);
camera.startPreview();
return true;
} catch (IOException e) {
error = e;
} catch (RuntimeException e) {
error = e;
}
Log.e(TAG, "startCapture failed", error);
if (camera != null) {
stopCapture();
}
return false;
}
/**
* Opens the camera and applies the user settings.
*
* @throws RuntimeException if the method fails
*/
@SuppressLint("InlinedApi")
private Camera createCamera() {
int requestedCameraId = getIdForRequestedCamera(mFacing);
if (requestedCameraId == -1) {
throw new RuntimeException(mContext.getString(R.string.no_requested_camera));
}
Camera camera = Camera.open(requestedCameraId);
SizePair sizePair =
selectSizePair(camera, mRequestedPreviewWidth, mRequestedPreviewHeight, mContext);
if (sizePair == null) {
throw new RuntimeException(mContext.getString(R.string.no_suitable_preview_size));
}
Size pictureSize = sizePair.pictureSize();
mPreviewSize = sizePair.previewSize();
int[] previewFpsRange = selectPreviewFpsRange(camera, mRequestedFps);
if (previewFpsRange == null) {
throw new RuntimeException(mContext.getString(R.string.no_suitable_frames_per_second));
}
Camera.Parameters parameters = camera.getParameters();
parameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
parameters.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
parameters.setPreviewFpsRange(
previewFpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
previewFpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
parameters.setPreviewFormat(ImageFormat.NV21);
setRotation(camera, parameters, requestedCameraId);
if (mFocusMode != null) {
if (parameters.getSupportedFocusModes().contains(mFocusMode)) {
parameters.setFocusMode(mFocusMode);
} else {
Log.i(
TAG,
mContext.getString(R.string.camera_focus_mode)
+ mFocusMode
+ mContext.getString(R.string.not_supported));
}
}
// setting mFocusMode to the one set in the params
mFocusMode = parameters.getFocusMode();
if (mFlashMode != null) {
if (parameters.getSupportedFlashModes().contains(mFlashMode)) {
parameters.setFlashMode(mFlashMode);
} else {
Log.i(
TAG,
mContext.getString(R.string.flash_mode)
+ mFlashMode
+ mContext.getString(R.string.not_supported));
}
}
// setting mFlashMode to the one set in the params
mFlashMode = parameters.getFlashMode();
camera.setParameters(parameters);
// Four frame buffers are needed for working with the camera:
//
// one for the frame that is currently being executed upon in doing detection
// one for the next pending frame to process immediately upon completing detection
// two for the frames that the camera uses to populate future preview images
camera.setPreviewCallbackWithBuffer(new CameraPreviewCallback());
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
return camera;
}
// (Re)start preview with the closest supported format to |width| x |height| @ |framerate|.
private void startPreviewOnCameraThread(int width, int height, int framerate) {
checkIsOnCameraThread();
Logging.d(
TAG, "startPreviewOnCameraThread requested: " + width + "x" + height + "@" + framerate);
if (camera == null) {
Logging.e(TAG, "Calling startPreviewOnCameraThread on stopped camera.");
return;
}
requestedWidth = width;
requestedHeight = height;
requestedFramerate = framerate;
// Find closest supported format for |width| x |height| @ |framerate|.
final Camera.Parameters parameters = camera.getParameters();
final int[] range = CameraEnumerationAndroid.getFramerateRange(parameters, framerate * 1000);
final Camera.Size previewSize =
CameraEnumerationAndroid.getClosestSupportedSize(
parameters.getSupportedPreviewSizes(), width, height);
final CaptureFormat captureFormat =
new CaptureFormat(
previewSize.width,
previewSize.height,
range[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
range[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
// Check if we are already using this capture format, then we don't need to do anything.
if (captureFormat.equals(this.captureFormat)) {
return;
}
// Update camera parameters.
Logging.d(TAG, "isVideoStabilizationSupported: " + parameters.isVideoStabilizationSupported());
if (parameters.isVideoStabilizationSupported()) {
parameters.setVideoStabilization(true);
}
// Note: setRecordingHint(true) actually decrease frame rate on N5.
// parameters.setRecordingHint(true);
if (captureFormat.maxFramerate > 0) {
parameters.setPreviewFpsRange(captureFormat.minFramerate, captureFormat.maxFramerate);
}
parameters.setPreviewSize(captureFormat.width, captureFormat.height);
parameters.setPreviewFormat(captureFormat.imageFormat);
// Picture size is for taking pictures and not for preview/video, but we need to set it anyway
// as a workaround for an aspect ratio problem on Nexus 7.
final Camera.Size pictureSize =
CameraEnumerationAndroid.getClosestSupportedSize(
parameters.getSupportedPictureSizes(), width, height);
parameters.setPictureSize(pictureSize.width, pictureSize.height);
// Temporarily stop preview if it's already running.
if (this.captureFormat != null) {
camera.stopPreview();
dropNextFrame = true;
// Calling |setPreviewCallbackWithBuffer| with null should clear the internal camera buffer
// queue, but sometimes we receive a frame with the old resolution after this call anyway.
camera.setPreviewCallbackWithBuffer(null);
}
// (Re)start preview.
Logging.d(TAG, "Start capturing: " + captureFormat);
this.captureFormat = captureFormat;
List<String> focusModes = parameters.getSupportedFocusModes();
if (focusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
camera.setParameters(parameters);
if (!isCapturingToTexture) {
videoBuffers.queueCameraBuffers(captureFormat.frameSize(), camera);
camera.setPreviewCallbackWithBuffer(this);
}
camera.startPreview();
}
public void openCamera() {
if (!isCreated || camera != null) {
return;
}
// Open camera
//
try {
camera = Camera.open(currentCameraId);
} catch (NoSuchMethodError noSuchMethodError) {
camera = Camera.open();
}
try {
camera.setPreviewDisplay(getHolder());
camera.setDisplayOrientation(90);
camera.setPreviewCallback(cameraPreviewCallback);
} catch (IOException ignore) {
ignore.printStackTrace();
} catch (NullPointerException ignore) {
ignore.printStackTrace();
}
// get camera parameters
//
final Camera.Parameters parameters = camera.getParameters();
// Get Preview Size and FPS
//
final List<Camera.Size> supportedPreviewSizes = parameters.getSupportedPreviewSizes();
final List<int[]> supportedPreviewFpsRange = parameters.getSupportedPreviewFpsRange();
// set FPS
//
int[] chosenFPSRange = supportedPreviewFpsRange.get(0);
for (int[] FPSRange : supportedPreviewFpsRange) {
if (FPS > FPSRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX]
&& FPS < FPSRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]) {
chosenFPSRange = FPSRange;
break;
}
}
parameters.setPreviewFpsRange(
chosenFPSRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
chosenFPSRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
// set Preview Size
//
if (frameSize != null) {
parameters.setPreviewSize(frameSize.width, frameSize.height);
} else {
int firstElementWidth = supportedPreviewSizes.get(0).width;
int lastElementWidth = supportedPreviewSizes.get(supportedPreviewSizes.size() - 1).width;
Camera.Size minPreviewSize =
(lastElementWidth > firstElementWidth)
? supportedPreviewSizes.get(0)
: supportedPreviewSizes.get(supportedPreviewSizes.size() - 1);
parameters.setPreviewSize(minPreviewSize.width, minPreviewSize.height);
}
// Set parameters and start preview
//
try {
camera.setParameters(parameters);
camera.startPreview();
} catch (RuntimeException ignore) {
ignore.printStackTrace();
}
}
// Returns true on success, false otherwise.
@CalledByNative
public boolean allocate(int width, int height, int frameRate) {
Log.d(TAG, "allocate: requested (" + width + "x" + height + ")@" + frameRate + "fps");
try {
mCamera = Camera.open(mId);
} catch (RuntimeException ex) {
Log.e(TAG, "allocate: Camera.open: " + ex);
return false;
}
Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
Camera.getCameraInfo(mId, cameraInfo);
mCameraOrientation = cameraInfo.orientation;
mCameraFacing = cameraInfo.facing;
mDeviceOrientation = getDeviceOrientation();
Log.d(
TAG,
"allocate: orientation dev="
+ mDeviceOrientation
+ ", cam="
+ mCameraOrientation
+ ", facing="
+ mCameraFacing);
Camera.Parameters parameters = mCamera.getParameters();
// getSupportedPreviewFpsRange() returns a List with at least one
// element, but when camera is in bad state, it can return null pointer.
List<int[]> listFpsRange = parameters.getSupportedPreviewFpsRange();
if (listFpsRange == null || listFpsRange.size() == 0) {
Log.e(TAG, "allocate: no fps range found");
return false;
}
int frameRateInMs = frameRate * 1000;
// Use the first range as default.
int[] fpsMinMax = listFpsRange.get(0);
int newFrameRate = (fpsMinMax[0] + 999) / 1000;
for (int[] fpsRange : listFpsRange) {
if (fpsRange[0] <= frameRateInMs && frameRateInMs <= fpsRange[1]) {
fpsMinMax = fpsRange;
newFrameRate = frameRate;
break;
}
}
frameRate = newFrameRate;
Log.d(TAG, "allocate: fps set to " + frameRate);
// Calculate size.
List<Camera.Size> listCameraSize = parameters.getSupportedPreviewSizes();
int minDiff = Integer.MAX_VALUE;
int matchedWidth = width;
int matchedHeight = height;
for (Camera.Size size : listCameraSize) {
int diff = Math.abs(size.width - width) + Math.abs(size.height - height);
Log.d(TAG, "allocate: supported (" + size.width + ", " + size.height + "), diff=" + diff);
// TODO(wjia): Remove this hack (forcing width to be multiple
// of 32) by supporting stride in video frame buffer.
// Right now, VideoCaptureController requires compact YV12
// (i.e., with no padding).
if (diff < minDiff && (size.width % 32 == 0)) {
minDiff = diff;
matchedWidth = size.width;
matchedHeight = size.height;
}
}
if (minDiff == Integer.MAX_VALUE) {
Log.e(TAG, "allocate: can not find a multiple-of-32 resolution");
return false;
}
mCaptureFormat =
new CaptureFormat(matchedWidth, matchedHeight, frameRate, BuggyDeviceHack.getImageFormat());
// Hack to avoid certain capture resolutions under a minimum one,
// see http://crbug.com/305294
BuggyDeviceHack.applyMinDimensions(mCaptureFormat);
Log.d(TAG, "allocate: matched (" + mCaptureFormat.mWidth + "x" + mCaptureFormat.mHeight + ")");
if (parameters.isVideoStabilizationSupported()) {
Log.d(
TAG,
"Image stabilization supported, currently: "
+ parameters.getVideoStabilization()
+ ", setting it.");
parameters.setVideoStabilization(true);
} else {
Log.d(TAG, "Image stabilization not supported.");
}
parameters.setPreviewSize(mCaptureFormat.mWidth, mCaptureFormat.mHeight);
parameters.setPreviewFormat(mCaptureFormat.mPixelFormat);
parameters.setPreviewFpsRange(fpsMinMax[0], fpsMinMax[1]);
mCamera.setParameters(parameters);
// Set SurfaceTexture. Android Capture needs a SurfaceTexture even if
// it is not going to be used.
mGlTextures = new int[1];
// Generate one texture pointer and bind it as an external texture.
GLES20.glGenTextures(1, mGlTextures, 0);
GLES20.glBindTexture(GL_TEXTURE_EXTERNAL_OES, mGlTextures[0]);
// No mip-mapping with camera source.
GLES20.glTexParameterf(GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
GLES20.glTexParameterf(GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
// Clamp to edge is only option.
GLES20.glTexParameteri(
GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glTexParameteri(
GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
mSurfaceTexture = new SurfaceTexture(mGlTextures[0]);
mSurfaceTexture.setOnFrameAvailableListener(null);
try {
mCamera.setPreviewTexture(mSurfaceTexture);
} catch (IOException ex) {
Log.e(TAG, "allocate: " + ex);
return false;
}
int bufSize =
mCaptureFormat.mWidth
* mCaptureFormat.mHeight
* ImageFormat.getBitsPerPixel(mCaptureFormat.mPixelFormat)
/ 8;
for (int i = 0; i < NUM_CAPTURE_BUFFERS; i++) {
byte[] buffer = new byte[bufSize];
mCamera.addCallbackBuffer(buffer);
}
mExpectedFrameSize = bufSize;
return true;
}
/**
* Set the legacy parameters using the {@link LegacyRequest legacy request}.
*
* <p>The legacy request's parameters are changed as a side effect of calling this method.
*
* @param legacyRequest a non-{@code null} legacy request
*/
public static void convertRequestMetadata(LegacyRequest legacyRequest) {
CameraCharacteristics characteristics = legacyRequest.characteristics;
CaptureRequest request = legacyRequest.captureRequest;
Size previewSize = legacyRequest.previewSize;
Camera.Parameters params = legacyRequest.parameters;
Rect activeArray = characteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);
/*
* scaler.cropRegion
*/
ParameterUtils.ZoomData zoomData;
{
zoomData =
ParameterUtils.convertScalerCropRegion(
activeArray, request.get(SCALER_CROP_REGION), previewSize, params);
if (params.isZoomSupported()) {
params.setZoom(zoomData.zoomIndex);
} else if (VERBOSE) {
Log.v(TAG, "convertRequestToMetadata - zoom is not supported");
}
}
/*
* colorCorrection.*
*/
// colorCorrection.aberrationMode
{
int aberrationMode =
ParamsUtils.getOrDefault(
request,
COLOR_CORRECTION_ABERRATION_MODE,
/*defaultValue*/ COLOR_CORRECTION_ABERRATION_MODE_FAST);
if (aberrationMode != COLOR_CORRECTION_ABERRATION_MODE_FAST) {
Log.w(
TAG,
"convertRequestToMetadata - Ignoring unsupported "
+ "colorCorrection.aberrationMode = "
+ aberrationMode);
}
}
/*
* control.ae*
*/
// control.aeAntibandingMode
{
String legacyMode;
Integer antiBandingMode = request.get(CONTROL_AE_ANTIBANDING_MODE);
if (antiBandingMode != null) {
legacyMode = convertAeAntiBandingModeToLegacy(antiBandingMode);
} else {
legacyMode =
ListUtils.listSelectFirstFrom(
params.getSupportedAntibanding(),
new String[] {
Parameters.ANTIBANDING_AUTO,
Parameters.ANTIBANDING_OFF,
Parameters.ANTIBANDING_50HZ,
Parameters.ANTIBANDING_60HZ,
});
}
if (legacyMode != null) {
params.setAntibanding(legacyMode);
}
}
/*
* control.aeRegions, afRegions
*/
{
// aeRegions
{
// Use aeRegions if available, fall back to using awbRegions if present
MeteringRectangle[] aeRegions = request.get(CONTROL_AE_REGIONS);
if (request.get(CONTROL_AWB_REGIONS) != null) {
Log.w(
TAG,
"convertRequestMetadata - control.awbRegions setting is not "
+ "supported, ignoring value");
}
int maxNumMeteringAreas = params.getMaxNumMeteringAreas();
List<Camera.Area> meteringAreaList =
convertMeteringRegionsToLegacy(
activeArray, zoomData, aeRegions, maxNumMeteringAreas, /*regionName*/ "AE");
// WAR: for b/17252693, some devices can't handle params.setFocusAreas(null).
if (maxNumMeteringAreas > 0) {
params.setMeteringAreas(meteringAreaList);
}
}
// afRegions
{
MeteringRectangle[] afRegions = request.get(CONTROL_AF_REGIONS);
int maxNumFocusAreas = params.getMaxNumFocusAreas();
List<Camera.Area> focusAreaList =
convertMeteringRegionsToLegacy(
activeArray, zoomData, afRegions, maxNumFocusAreas, /*regionName*/ "AF");
// WAR: for b/17252693, some devices can't handle params.setFocusAreas(null).
if (maxNumFocusAreas > 0) {
params.setFocusAreas(focusAreaList);
}
}
}
// control.aeTargetFpsRange
Range<Integer> aeFpsRange = request.get(CONTROL_AE_TARGET_FPS_RANGE);
if (aeFpsRange != null) {
int[] legacyFps = convertAeFpsRangeToLegacy(aeFpsRange);
// TODO - Should we enforce that all HAL1 devices must include (30, 30) FPS range?
boolean supported = false;
for (int[] range : params.getSupportedPreviewFpsRange()) {
if (legacyFps[0] == range[0] && legacyFps[1] == range[1]) {
supported = true;
break;
}
}
if (supported) {
params.setPreviewFpsRange(
legacyFps[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
legacyFps[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
} else {
Log.w(TAG, "Unsupported FPS range set [" + legacyFps[0] + "," + legacyFps[1] + "]");
}
}
/*
* control
*/
// control.aeExposureCompensation
{
Range<Integer> compensationRange =
characteristics.get(CameraCharacteristics.CONTROL_AE_COMPENSATION_RANGE);
int compensation =
ParamsUtils.getOrDefault(request, CONTROL_AE_EXPOSURE_COMPENSATION, /*defaultValue*/ 0);
if (!compensationRange.contains(compensation)) {
Log.w(
TAG,
"convertRequestMetadata - control.aeExposureCompensation "
+ "is out of range, ignoring value");
compensation = 0;
}
params.setExposureCompensation(compensation);
}
// control.aeLock
{
Boolean aeLock =
getIfSupported(
request,
CONTROL_AE_LOCK, /*defaultValue*/
false,
params.isAutoExposureLockSupported(),
/*allowedValue*/ false);
if (aeLock != null) {
params.setAutoExposureLock(aeLock);
}
if (VERBOSE) {
Log.v(TAG, "convertRequestToMetadata - control.aeLock set to " + aeLock);
}
// TODO: Don't add control.aeLock to availableRequestKeys if it's not supported
}
// control.aeMode, flash.mode
mapAeAndFlashMode(request, /*out*/ params);
// control.afMode
{
int afMode =
ParamsUtils.getOrDefault(request, CONTROL_AF_MODE, /*defaultValue*/ CONTROL_AF_MODE_OFF);
String focusMode =
LegacyMetadataMapper.convertAfModeToLegacy(afMode, params.getSupportedFocusModes());
if (focusMode != null) {
params.setFocusMode(focusMode);
}
if (VERBOSE) {
Log.v(
TAG, "convertRequestToMetadata - control.afMode " + afMode + " mapped to " + focusMode);
}
}
// control.awbMode
{
Integer awbMode =
getIfSupported(
request,
CONTROL_AWB_MODE,
/*defaultValue*/ CONTROL_AWB_MODE_AUTO,
params.getSupportedWhiteBalance() != null,
/*allowedValue*/ CONTROL_AWB_MODE_AUTO);
String whiteBalanceMode = null;
if (awbMode != null) { // null iff AWB is not supported by camera1 api
whiteBalanceMode = convertAwbModeToLegacy(awbMode);
params.setWhiteBalance(whiteBalanceMode);
}
if (VERBOSE) {
Log.v(
TAG,
"convertRequestToMetadata - control.awbMode "
+ awbMode
+ " mapped to "
+ whiteBalanceMode);
}
}
// control.awbLock
{
Boolean awbLock =
getIfSupported(
request,
CONTROL_AWB_LOCK, /*defaultValue*/
false,
params.isAutoWhiteBalanceLockSupported(),
/*allowedValue*/ false);
if (awbLock != null) {
params.setAutoWhiteBalanceLock(awbLock);
}
// TODO: Don't add control.awbLock to availableRequestKeys if it's not supported
}
// control.captureIntent
{
int captureIntent =
ParamsUtils.getOrDefault(
request, CONTROL_CAPTURE_INTENT, /*defaultValue*/ CONTROL_CAPTURE_INTENT_PREVIEW);
captureIntent = filterSupportedCaptureIntent(captureIntent);
params.setRecordingHint(
captureIntent == CONTROL_CAPTURE_INTENT_VIDEO_RECORD
|| captureIntent == CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT);
}
// control.videoStabilizationMode
{
Integer stabMode =
getIfSupported(
request,
CONTROL_VIDEO_STABILIZATION_MODE,
/*defaultValue*/ CONTROL_VIDEO_STABILIZATION_MODE_OFF,
params.isVideoStabilizationSupported(),
/*allowedValue*/ CONTROL_VIDEO_STABILIZATION_MODE_OFF);
if (stabMode != null) {
params.setVideoStabilization(stabMode == CONTROL_VIDEO_STABILIZATION_MODE_ON);
}
}
// lens.focusDistance
{
boolean infinityFocusSupported =
ListUtils.listContains(params.getSupportedFocusModes(), Parameters.FOCUS_MODE_INFINITY);
Float focusDistance =
getIfSupported(
request,
LENS_FOCUS_DISTANCE,
/*defaultValue*/ 0f,
infinityFocusSupported, /*allowedValue*/
0f);
if (focusDistance == null || focusDistance != 0f) {
Log.w(
TAG,
"convertRequestToMetadata - Ignoring android.lens.focusDistance "
+ infinityFocusSupported
+ ", only 0.0f is supported");
}
}
// control.sceneMode, control.mode
{
// TODO: Map FACE_PRIORITY scene mode to face detection.
if (params.getSupportedSceneModes() != null) {
int controlMode =
ParamsUtils.getOrDefault(request, CONTROL_MODE, /*defaultValue*/ CONTROL_MODE_AUTO);
String modeToSet;
switch (controlMode) {
case CONTROL_MODE_USE_SCENE_MODE:
{
int sceneMode =
ParamsUtils.getOrDefault(
request, CONTROL_SCENE_MODE, /*defaultValue*/ CONTROL_SCENE_MODE_DISABLED);
String legacySceneMode = LegacyMetadataMapper.convertSceneModeToLegacy(sceneMode);
if (legacySceneMode != null) {
modeToSet = legacySceneMode;
} else {
modeToSet = Parameters.SCENE_MODE_AUTO;
Log.w(TAG, "Skipping unknown requested scene mode: " + sceneMode);
}
break;
}
case CONTROL_MODE_AUTO:
{
modeToSet = Parameters.SCENE_MODE_AUTO;
break;
}
default:
{
Log.w(TAG, "Control mode " + controlMode + " is unsupported, defaulting to AUTO");
modeToSet = Parameters.SCENE_MODE_AUTO;
}
}
params.setSceneMode(modeToSet);
}
}
// control.effectMode
{
if (params.getSupportedColorEffects() != null) {
int effectMode =
ParamsUtils.getOrDefault(
request, CONTROL_EFFECT_MODE, /*defaultValue*/ CONTROL_EFFECT_MODE_OFF);
String legacyEffectMode = LegacyMetadataMapper.convertEffectModeToLegacy(effectMode);
if (legacyEffectMode != null) {
params.setColorEffect(legacyEffectMode);
} else {
params.setColorEffect(Parameters.EFFECT_NONE);
Log.w(TAG, "Skipping unknown requested effect mode: " + effectMode);
}
}
}
/*
* sensor
*/
// sensor.testPattern
{
int testPatternMode =
ParamsUtils.getOrDefault(
request, SENSOR_TEST_PATTERN_MODE, /*defaultValue*/ SENSOR_TEST_PATTERN_MODE_OFF);
if (testPatternMode != SENSOR_TEST_PATTERN_MODE_OFF) {
Log.w(
TAG,
"convertRequestToMetadata - ignoring sensor.testPatternMode "
+ testPatternMode
+ "; only OFF is supported");
}
}
/*
* jpeg.*
*/
// jpeg.gpsLocation
{
Location location = request.get(JPEG_GPS_LOCATION);
if (location != null) {
if (checkForCompleteGpsData(location)) {
params.setGpsAltitude(location.getAltitude());
params.setGpsLatitude(location.getLatitude());
params.setGpsLongitude(location.getLongitude());
params.setGpsProcessingMethod(location.getProvider().toUpperCase());
params.setGpsTimestamp(location.getTime());
} else {
Log.w(TAG, "Incomplete GPS parameters provided in location " + location);
}
} else {
params.removeGpsData();
}
}
// jpeg.orientation
{
Integer orientation = request.get(CaptureRequest.JPEG_ORIENTATION);
params.setRotation(
ParamsUtils.getOrDefault(
request, JPEG_ORIENTATION, (orientation == null) ? 0 : orientation));
}
// jpeg.quality
{
params.setJpegQuality(
0xFF & ParamsUtils.getOrDefault(request, JPEG_QUALITY, DEFAULT_JPEG_QUALITY));
}
// jpeg.thumbnailQuality
{
params.setJpegThumbnailQuality(
0xFF & ParamsUtils.getOrDefault(request, JPEG_THUMBNAIL_QUALITY, DEFAULT_JPEG_QUALITY));
}
// jpeg.thumbnailSize
{
List<Camera.Size> sizes = params.getSupportedJpegThumbnailSizes();
if (sizes != null && sizes.size() > 0) {
Size s = request.get(JPEG_THUMBNAIL_SIZE);
boolean invalidSize =
(s == null) ? false : !ParameterUtils.containsSize(sizes, s.getWidth(), s.getHeight());
if (invalidSize) {
Log.w(TAG, "Invalid JPEG thumbnail size set " + s + ", skipping thumbnail...");
}
if (s == null || invalidSize) {
// (0,0) = "no thumbnail" in Camera API 1
params.setJpegThumbnailSize(/*width*/ 0, /*height*/ 0);
} else {
params.setJpegThumbnailSize(s.getWidth(), s.getHeight());
}
}
}
/*
* noiseReduction.*
*/
// noiseReduction.mode
{
int mode =
ParamsUtils.getOrDefault(
request, NOISE_REDUCTION_MODE, /*defaultValue*/ NOISE_REDUCTION_MODE_FAST);
if (mode != NOISE_REDUCTION_MODE_FAST) {
Log.w(
TAG,
"convertRequestToMetadata - Ignoring unsupported " + "noiseReduction.mode = " + mode);
}
}
}
