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900 lines
34 KiB
900 lines
34 KiB
package com.otaliastudios.cameraview;
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import android.annotation.TargetApi;
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import android.graphics.ImageFormat;
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import android.graphics.PointF;
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import android.graphics.Rect;
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import android.graphics.SurfaceTexture;
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import android.graphics.YuvImage;
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import android.hardware.Camera;
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import android.location.Location;
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import android.media.CamcorderProfile;
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import android.media.MediaRecorder;
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import android.os.Build;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.annotation.WorkerThread;
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import android.view.SurfaceHolder;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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@SuppressWarnings("deprecation")
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class Camera1 extends CameraController implements Camera.PreviewCallback, Camera.ErrorCallback {
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private static final String TAG = Camera1.class.getSimpleName();
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private static final CameraLogger LOG = CameraLogger.create(TAG);
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private Camera mCamera;
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private boolean mIsBound = false;
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private final int mPostFocusResetDelay = 3000;
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private Runnable mPostFocusResetRunnable = new Runnable() {
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@Override
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public void run() {
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if (!isCameraAvailable()) return;
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mCamera.cancelAutoFocus();
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Camera.Parameters params = mCamera.getParameters();
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params.setFocusAreas(null);
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params.setMeteringAreas(null);
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applyDefaultFocus(params); // Revert to internal focus.
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mCamera.setParameters(params);
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}
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};
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Camera1(CameraView.CameraCallbacks callback) {
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super(callback);
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mMapper = new Mapper.Mapper1();
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}
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private void schedule(@Nullable final Task<Void> task, final boolean ensureAvailable, final Runnable action) {
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mHandler.post(new Runnable() {
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@Override
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public void run() {
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if (ensureAvailable && !isCameraAvailable()) {
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if (task != null) task.end(null);
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} else {
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action.run();
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if (task != null) task.end(null);
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}
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}
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});
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}
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// Preview surface is now available. If camera is open, set up.
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@Override
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public void onSurfaceAvailable() {
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LOG.i("onSurfaceAvailable:", "Size is", mPreview.getSurfaceSize());
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schedule(null, false, new Runnable() {
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@Override
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public void run() {
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if (shouldBindToSurface()) {
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LOG.i("onSurfaceAvailable:", "Inside handler. About to bind.");
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try {
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bindToSurface();
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} catch (Exception e) {
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LOG.e("onSurfaceAvailable:", "Exception while binding camera to preview.", e);
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throw new CameraException(e);
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}
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}
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}
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});
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}
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// Preview surface did change its size. Compute a new preview size.
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// This requires stopping and restarting the preview.
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@Override
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public void onSurfaceChanged() {
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LOG.i("onSurfaceChanged, size is", mPreview.getSurfaceSize());
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schedule(null, true, new Runnable() {
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@Override
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public void run() {
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if (!mIsBound) return;
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// Compute a new camera preview size.
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Size newSize = computePreviewSize(sizesFromList(mCamera.getParameters().getSupportedPreviewSizes()));
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if (newSize.equals(mPreviewSize)) return;
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// Apply.
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LOG.i("onSurfaceChanged:", "Computed a new preview size. Going on.");
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mPreviewSize = newSize;
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mCamera.stopPreview();
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applySizesAndStartPreview("onSurfaceChanged:");
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}
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});
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}
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private boolean shouldBindToSurface() {
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return isCameraAvailable() && mPreview != null && mPreview.isReady() && !mIsBound;
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}
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// The act of binding an "open" camera to a "ready" preview.
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// These can happen at different times but we want to end up here.
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@WorkerThread
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private void bindToSurface() {
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LOG.i("bindToSurface:", "Started");
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Object output = mPreview.getOutput();
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try {
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if (mPreview.getOutputClass() == SurfaceHolder.class) {
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mCamera.setPreviewDisplay((SurfaceHolder) output);
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} else {
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mCamera.setPreviewTexture((SurfaceTexture) output);
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}
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} catch (IOException e) {
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throw new CameraException(e);
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}
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mPictureSize = computePictureSize();
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mPreviewSize = computePreviewSize(sizesFromList(mCamera.getParameters().getSupportedPreviewSizes()));
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applySizesAndStartPreview("bindToSurface:");
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mIsBound = true;
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}
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// To be called when the preview size is setup or changed.
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private void applySizesAndStartPreview(String log) {
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LOG.i(log, "Dispatching onCameraPreviewSizeChanged.");
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mCameraCallbacks.onCameraPreviewSizeChanged();
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boolean invertPreviewSizes = shouldFlipSizes();
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mPreview.setDesiredSize(
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invertPreviewSizes ? mPreviewSize.getHeight() : mPreviewSize.getWidth(),
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invertPreviewSizes ? mPreviewSize.getWidth() : mPreviewSize.getHeight()
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);
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Camera.Parameters params = mCamera.getParameters();
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mPreviewFormat = params.getPreviewFormat();
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params.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight()); // <- not allowed during preview
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params.setPictureSize(mPictureSize.getWidth(), mPictureSize.getHeight()); // <- allowed
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mCamera.setParameters(params);
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mCamera.setPreviewCallbackWithBuffer(null); // Release anything left
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mCamera.setPreviewCallbackWithBuffer(this); // Add ourselves
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mFrameManager.allocate(ImageFormat.getBitsPerPixel(mPreviewFormat), mPreviewSize);
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LOG.i(log, "Starting preview with startPreview().");
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mCamera.startPreview();
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LOG.i(log, "Started preview.");
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}
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@WorkerThread
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@Override
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void onStart() {
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if (isCameraAvailable()) {
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LOG.w("onStart:", "Camera not available. Should not happen.");
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onStop(); // Should not happen.
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}
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if (collectCameraId()) {
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mCamera = Camera.open(mCameraId);
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mCamera.setErrorCallback(this);
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// Set parameters that might have been set before the camera was opened.
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LOG.i("onStart:", "Applying default parameters.");
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Camera.Parameters params = mCamera.getParameters();
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mExtraProperties = new ExtraProperties(params);
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mCameraOptions = new CameraOptions(params, shouldFlipSizes());
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applyDefaultFocus(params);
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mergeFlash(params, Flash.DEFAULT);
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mergeLocation(params, null);
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mergeWhiteBalance(params, WhiteBalance.DEFAULT);
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mergeHdr(params, Hdr.DEFAULT);
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mergePlaySound(mPlaySounds);
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params.setRecordingHint(mSessionType == SessionType.VIDEO);
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mCamera.setParameters(params);
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// Try starting preview.
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mCamera.setDisplayOrientation(computeSensorToViewOffset()); // <- not allowed during preview
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if (shouldBindToSurface()) bindToSurface();
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LOG.i("onStart:", "Ended");
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}
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}
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@WorkerThread
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@Override
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void onStop() {
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Exception error = null;
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LOG.i("onStop:", "About to clean up.");
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mHandler.get().removeCallbacks(mPostFocusResetRunnable);
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mFrameManager.release();
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if (mCamera != null) {
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LOG.i("onStop:", "Clean up.", "Ending video.");
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endVideoImmediately();
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try {
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LOG.i("onStop:", "Clean up.", "Stopping preview.");
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mCamera.setPreviewCallbackWithBuffer(null);
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mCamera.stopPreview();
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LOG.i("onStop:", "Clean up.", "Stopped preview.");
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} catch (Exception e) {
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LOG.w("onStop:", "Clean up.", "Exception while stopping preview.", e);
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error = e;
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}
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try {
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LOG.i("onStop:", "Clean up.", "Releasing camera.");
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mCamera.release();
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LOG.i("onStop:", "Clean up.", "Released camera.");
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} catch (Exception e) {
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LOG.w("onStop:", "Clean up.", "Exception while releasing camera.", e);
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error = e;
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}
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}
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mExtraProperties = null;
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mCameraOptions = null;
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mCamera = null;
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mPreviewSize = null;
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mPictureSize = null;
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mIsBound = false;
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LOG.w("onStop:", "Clean up.", "Returning.");
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if (error != null) throw new CameraException(error);
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}
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private boolean collectCameraId() {
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int internalFacing = mMapper.map(mFacing);
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Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
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for (int i = 0, count = Camera.getNumberOfCameras(); i < count; i++) {
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Camera.getCameraInfo(i, cameraInfo);
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if (cameraInfo.facing == internalFacing) {
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mSensorOffset = cameraInfo.orientation;
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mCameraId = i;
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return true;
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}
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}
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return false;
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}
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@Override
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public void onBufferAvailable(byte[] buffer) {
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// TODO: sync with handler?
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if (isCameraAvailable()) {
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mCamera.addCallbackBuffer(buffer);
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}
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}
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@Override
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public void onError(int error, Camera camera) {
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if (error == Camera.CAMERA_ERROR_SERVER_DIED) {
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// Looks like this is recoverable.
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LOG.w("Recoverable error inside the onError callback.", "CAMERA_ERROR_SERVER_DIED");
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stopImmediately();
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start();
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return;
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}
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LOG.e("Error inside the onError callback.", error);
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throw new CameraException(new RuntimeException(CameraLogger.lastMessage));
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}
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@Override
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void setSessionType(SessionType sessionType) {
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if (sessionType != mSessionType) {
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mSessionType = sessionType;
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schedule(null, true, new Runnable() {
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@Override
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public void run() {
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restart();
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}
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});
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}
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}
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@Override
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void setLocation(Location location) {
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final Location oldLocation = mLocation;
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mLocation = location;
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schedule(mLocationTask, true, new Runnable() {
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@Override
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public void run() {
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Camera.Parameters params = mCamera.getParameters();
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if (mergeLocation(params, oldLocation)) mCamera.setParameters(params);
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}
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});
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}
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private boolean mergeLocation(Camera.Parameters params, Location oldLocation) {
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if (mLocation != null) {
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params.setGpsLatitude(mLocation.getLatitude());
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params.setGpsLongitude(mLocation.getLongitude());
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params.setGpsAltitude(mLocation.getAltitude());
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params.setGpsTimestamp(mLocation.getTime());
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params.setGpsProcessingMethod(mLocation.getProvider());
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if (mIsCapturingVideo && mMediaRecorder != null) {
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mMediaRecorder.setLocation((float) mLocation.getLatitude(),
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(float) mLocation.getLongitude());
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}
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}
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return true;
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}
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@Override
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void setFacing(Facing facing) {
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if (facing != mFacing) {
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mFacing = facing;
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schedule(null, true, new Runnable() {
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@Override
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public void run() {
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if (collectCameraId()) {
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restart();
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}
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}
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});
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}
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}
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@Override
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void setWhiteBalance(WhiteBalance whiteBalance) {
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final WhiteBalance old = mWhiteBalance;
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mWhiteBalance = whiteBalance;
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schedule(mWhiteBalanceTask, true, new Runnable() {
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@Override
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public void run() {
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Camera.Parameters params = mCamera.getParameters();
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if (mergeWhiteBalance(params, old)) mCamera.setParameters(params);
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}
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});
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}
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private boolean mergeWhiteBalance(Camera.Parameters params, WhiteBalance oldWhiteBalance) {
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if (mCameraOptions.supports(mWhiteBalance)) {
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params.setWhiteBalance((String) mMapper.map(mWhiteBalance));
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return true;
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}
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mWhiteBalance = oldWhiteBalance;
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return false;
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}
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@Override
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void setHdr(Hdr hdr) {
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final Hdr old = mHdr;
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mHdr = hdr;
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schedule(mHdrTask, true, new Runnable() {
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@Override
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public void run() {
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Camera.Parameters params = mCamera.getParameters();
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if (mergeHdr(params, old)) mCamera.setParameters(params);
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}
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});
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}
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private boolean mergeHdr(Camera.Parameters params, Hdr oldHdr) {
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if (mCameraOptions.supports(mHdr)) {
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params.setSceneMode((String) mMapper.map(mHdr));
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return true;
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}
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mHdr = oldHdr;
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return false;
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}
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@TargetApi(17)
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private boolean mergePlaySound(boolean oldPlaySound) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
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Camera.CameraInfo info = new Camera.CameraInfo();
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Camera.getCameraInfo(mCameraId, info);
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if (info.canDisableShutterSound) {
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mCamera.enableShutterSound(mPlaySounds);
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return true;
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}
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}
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if (mPlaySounds) {
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return true;
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}
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mPlaySounds = oldPlaySound;
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return false;
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}
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@Override
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void setAudio(Audio audio) {
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if (mAudio != audio) {
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if (mIsCapturingVideo) {
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LOG.w("Audio setting was changed while recording. " +
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"Changes will take place starting from next video");
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}
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mAudio = audio;
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}
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}
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@Override
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void setFlash(Flash flash) {
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final Flash old = mFlash;
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mFlash = flash;
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schedule(mFlashTask, true, new Runnable() {
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@Override
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public void run() {
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Camera.Parameters params = mCamera.getParameters();
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if (mergeFlash(params, old)) mCamera.setParameters(params);
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}
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});
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}
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private boolean mergeFlash(Camera.Parameters params, Flash oldFlash) {
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if (mCameraOptions.supports(mFlash)) {
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params.setFlashMode((String) mMapper.map(mFlash));
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return true;
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}
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mFlash = oldFlash;
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return false;
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}
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// Choose the best default focus, based on session type.
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private void applyDefaultFocus(Camera.Parameters params) {
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List<String> modes = params.getSupportedFocusModes();
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if (mSessionType == SessionType.VIDEO &&
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modes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
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params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
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return;
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}
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if (modes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
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params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
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return;
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}
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if (modes.contains(Camera.Parameters.FOCUS_MODE_INFINITY)) {
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params.setFocusMode(Camera.Parameters.FOCUS_MODE_INFINITY);
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return;
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}
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if (modes.contains(Camera.Parameters.FOCUS_MODE_FIXED)) {
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params.setFocusMode(Camera.Parameters.FOCUS_MODE_FIXED);
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return;
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}
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}
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@Override
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void setVideoQuality(VideoQuality videoQuality) {
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final VideoQuality old = mVideoQuality;
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mVideoQuality = videoQuality;
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schedule(mVideoQualityTask, true, new Runnable() {
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@Override
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public void run() {
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if (mIsCapturingVideo) {
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// TODO: actually any call to getParameters() could fail while recording a video.
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// See. https://stackoverflow.com/questions/14941625/
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mVideoQuality = old;
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throw new IllegalStateException("Can't change video quality while recording a video.");
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}
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if (mSessionType == SessionType.VIDEO) {
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// Change capture size to a size that fits the video aspect ratio.
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Size oldSize = mPictureSize;
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mPictureSize = computePictureSize();
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if (!mPictureSize.equals(oldSize)) {
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// New video quality triggers a new aspect ratio.
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// Go on and see if preview size should change also.
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Camera.Parameters params = mCamera.getParameters();
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params.setPictureSize(mPictureSize.getWidth(), mPictureSize.getHeight());
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mCamera.setParameters(params);
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onSurfaceChanged();
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}
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LOG.i("setVideoQuality:", "captureSize:", mPictureSize);
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LOG.i("setVideoQuality:", "previewSize:", mPreviewSize);
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}
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}
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});
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}
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@Override
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void capturePicture() {
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LOG.v("capturePicture: scheduling");
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schedule(null, true, new Runnable() {
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@Override
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public void run() {
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LOG.v("capturePicture: performing.", mIsCapturingImage);
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if (mIsCapturingImage) return;
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if (mIsCapturingVideo && !mCameraOptions.isVideoSnapshotSupported()) return;
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mIsCapturingImage = true;
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final int sensorToOutput = computeSensorToOutputOffset();
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final int sensorToView = computeSensorToViewOffset();
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final boolean outputMatchesView = (sensorToOutput + sensorToView + 180) % 180 == 0;
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final boolean outputFlip = mFacing == Facing.FRONT;
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Camera.Parameters params = mCamera.getParameters();
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params.setRotation(sensorToOutput);
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mCamera.setParameters(params);
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mCamera.takePicture(
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new Camera.ShutterCallback() {
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@Override
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public void onShutter() {
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mCameraCallbacks.onShutter(false);
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}
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},
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null,
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null,
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new Camera.PictureCallback() {
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@Override
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public void onPictureTaken(byte[] data, final Camera camera) {
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mIsCapturingImage = false;
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mCameraCallbacks.processImage(data, outputMatchesView, outputFlip);
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camera.startPreview(); // This is needed, read somewhere in the docs.
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}
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}
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);
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}
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});
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}
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@Override
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void captureSnapshot() {
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LOG.v("captureSnapshot: scheduling");
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schedule(null, true, new Runnable() {
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@Override
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public void run() {
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LOG.v("captureSnapshot: performing.", mIsCapturingImage);
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if (mIsCapturingImage) return;
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// This won't work while capturing a video.
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// Switch to capturePicture.
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if (mIsCapturingVideo) {
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capturePicture();
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return;
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}
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mIsCapturingImage = true;
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mCamera.setOneShotPreviewCallback(new Camera.PreviewCallback() {
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@Override
|
|
public void onPreviewFrame(final byte[] data, Camera camera) {
|
|
mCameraCallbacks.onShutter(true);
|
|
|
|
// Got to rotate the preview frame, since byte[] data here does not include
|
|
// EXIF tags automatically set by camera. So either we add EXIF, or we rotate.
|
|
// Adding EXIF to a byte array, unfortunately, is hard.
|
|
final int sensorToOutput = computeSensorToOutputOffset();
|
|
final int sensorToView = computeSensorToViewOffset();
|
|
final boolean outputMatchesView = (sensorToOutput + sensorToView + 180) % 180 == 0;
|
|
final boolean outputFlip = mFacing == Facing.FRONT;
|
|
final boolean flip = sensorToOutput % 180 != 0;
|
|
final int preWidth = mPreviewSize.getWidth();
|
|
final int preHeight = mPreviewSize.getHeight();
|
|
final int postWidth = flip ? preHeight : preWidth;
|
|
final int postHeight = flip ? preWidth : preHeight;
|
|
final int format = mPreviewFormat;
|
|
WorkerHandler.run(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
|
|
LOG.v("captureSnapshot: rotating.");
|
|
byte[] rotatedData = RotationHelper.rotate(data, preWidth, preHeight, sensorToOutput);
|
|
LOG.v("captureSnapshot: rotated.");
|
|
YuvImage yuv = new YuvImage(rotatedData, format, postWidth, postHeight, null);
|
|
mCameraCallbacks.processSnapshot(yuv, outputMatchesView, outputFlip);
|
|
mIsCapturingImage = false;
|
|
}
|
|
});
|
|
|
|
// It seems that the buffers are already cleared here, so we need to allocate again.
|
|
mCamera.setPreviewCallbackWithBuffer(null); // Release anything left
|
|
mCamera.setPreviewCallbackWithBuffer(Camera1.this); // Add ourselves
|
|
mFrameManager.allocate(ImageFormat.getBitsPerPixel(mPreviewFormat), mPreviewSize);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
@Override
|
|
public void onPreviewFrame(byte[] data, Camera camera) {
|
|
Frame frame = mFrameManager.getFrame(data,
|
|
System.currentTimeMillis(),
|
|
computeSensorToOutputOffset(),
|
|
mPreviewSize,
|
|
mPreviewFormat);
|
|
mCameraCallbacks.dispatchFrame(frame);
|
|
}
|
|
|
|
private boolean isCameraAvailable() {
|
|
switch (mState) {
|
|
// If we are stopped, don't.
|
|
case STATE_STOPPED:
|
|
return false;
|
|
// If we are going to be closed, don't act on camera.
|
|
// Even if mCamera != null, it might have been released.
|
|
case STATE_STOPPING:
|
|
return false;
|
|
// If we are started, mCamera should never be null.
|
|
case STATE_STARTED:
|
|
return true;
|
|
// If we are starting, theoretically we could act.
|
|
// Just check that camera is available.
|
|
case STATE_STARTING:
|
|
return mCamera != null;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// -----------------
|
|
// Video recording stuff.
|
|
|
|
|
|
@Override
|
|
void startVideo(@NonNull final File videoFile) {
|
|
schedule(mStartVideoTask, true, new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (mIsCapturingVideo) return;
|
|
if (mSessionType == SessionType.VIDEO) {
|
|
mVideoFile = videoFile;
|
|
mIsCapturingVideo = true;
|
|
initMediaRecorder();
|
|
try {
|
|
mMediaRecorder.prepare();
|
|
mMediaRecorder.start();
|
|
} catch (Exception e) {
|
|
LOG.e("Error while starting MediaRecorder. Swallowing.", e);
|
|
mVideoFile = null;
|
|
mCamera.lock();
|
|
endVideoImmediately();
|
|
}
|
|
} else {
|
|
throw new IllegalStateException("Can't record video while session type is picture");
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
@Override
|
|
void endVideo() {
|
|
schedule(null, false, new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
endVideoImmediately();
|
|
}
|
|
});
|
|
}
|
|
|
|
@WorkerThread
|
|
private void endVideoImmediately() {
|
|
LOG.i("endVideoImmediately:", "is capturing:", mIsCapturingVideo);
|
|
mIsCapturingVideo = false;
|
|
if (mMediaRecorder != null) {
|
|
try {
|
|
mMediaRecorder.stop();
|
|
} catch (Exception e) {
|
|
// This can happen if endVideo() is called right after startVideo(). We don't care.
|
|
LOG.w("endVideoImmediately:", "Error while closing media recorder. Swallowing", e);
|
|
}
|
|
mMediaRecorder.release();
|
|
mMediaRecorder = null;
|
|
}
|
|
if (mVideoFile != null) {
|
|
mCameraCallbacks.dispatchOnVideoTaken(mVideoFile);
|
|
mVideoFile = null;
|
|
}
|
|
}
|
|
|
|
@WorkerThread
|
|
private void initMediaRecorder() {
|
|
mMediaRecorder = new MediaRecorder();
|
|
mCamera.unlock();
|
|
mMediaRecorder.setCamera(mCamera);
|
|
|
|
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
|
|
if (mAudio == Audio.ON) {
|
|
// Must be called before setOutputFormat.
|
|
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
|
|
}
|
|
CamcorderProfile profile = getCamcorderProfile();
|
|
mMediaRecorder.setOutputFormat(profile.fileFormat);
|
|
mMediaRecorder.setVideoFrameRate(profile.videoFrameRate);
|
|
mMediaRecorder.setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight);
|
|
mMediaRecorder.setVideoEncoder(profile.videoCodec);
|
|
mMediaRecorder.setVideoEncodingBitRate(profile.videoBitRate);
|
|
if (mAudio == Audio.ON) {
|
|
mMediaRecorder.setAudioChannels(profile.audioChannels);
|
|
mMediaRecorder.setAudioSamplingRate(profile.audioSampleRate);
|
|
mMediaRecorder.setAudioEncoder(profile.audioCodec);
|
|
mMediaRecorder.setAudioEncodingBitRate(profile.audioBitRate);
|
|
}
|
|
|
|
if (mLocation != null) {
|
|
mMediaRecorder.setLocation((float) mLocation.getLatitude(),
|
|
(float) mLocation.getLongitude());
|
|
}
|
|
|
|
mMediaRecorder.setOutputFile(mVideoFile.getAbsolutePath());
|
|
mMediaRecorder.setOrientationHint(computeSensorToOutputOffset());
|
|
|
|
//If the user sets a max file size, set it to the max file size
|
|
if (mVideoMaxSizeInBytes > 0) {
|
|
mMediaRecorder.setMaxFileSize(mVideoMaxSizeInBytes);
|
|
|
|
//Attach a listener to the media recorder to listen for file size notifications
|
|
mMediaRecorder.setOnInfoListener(new MediaRecorder.OnInfoListener() {
|
|
@Override
|
|
public void onInfo(MediaRecorder mediaRecorder, int i, int i1) {
|
|
switch (i) {
|
|
case MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED: {
|
|
endVideoImmediately();
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
});
|
|
}
|
|
// Not needed. mMediaRecorder.setPreviewDisplay(mPreview.getSurface());
|
|
}
|
|
|
|
// -----------------
|
|
// Zoom and simpler stuff.
|
|
|
|
|
|
@Override
|
|
void setZoom(final float zoom, final PointF[] points, final boolean notify) {
|
|
schedule(mZoomTask, true, new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (!mCameraOptions.isZoomSupported()) return;
|
|
|
|
mZoomValue = zoom;
|
|
Camera.Parameters params = mCamera.getParameters();
|
|
float max = params.getMaxZoom();
|
|
params.setZoom((int) (zoom * max));
|
|
mCamera.setParameters(params);
|
|
|
|
if (notify) {
|
|
mCameraCallbacks.dispatchOnZoomChanged(zoom, points);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
@Override
|
|
void setExposureCorrection(final float EVvalue, final float[] bounds,
|
|
final PointF[] points, final boolean notify) {
|
|
schedule(mExposureCorrectionTask, true, new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (!mCameraOptions.isExposureCorrectionSupported()) return;
|
|
|
|
float value = EVvalue;
|
|
float max = mCameraOptions.getExposureCorrectionMaxValue();
|
|
float min = mCameraOptions.getExposureCorrectionMinValue();
|
|
value = value < min ? min : value > max ? max : value; // cap
|
|
mExposureCorrectionValue = value;
|
|
Camera.Parameters params = mCamera.getParameters();
|
|
int indexValue = (int) (value / params.getExposureCompensationStep());
|
|
params.setExposureCompensation(indexValue);
|
|
mCamera.setParameters(params);
|
|
|
|
if (notify) {
|
|
mCameraCallbacks.dispatchOnExposureCorrectionChanged(value, bounds, points);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
// -----------------
|
|
// Tap to focus stuff.
|
|
|
|
|
|
@Override
|
|
void startAutoFocus(@Nullable final Gesture gesture, final PointF point) {
|
|
// Must get width and height from the UI thread.
|
|
int viewWidth = 0, viewHeight = 0;
|
|
if (mPreview != null && mPreview.isReady()) {
|
|
viewWidth = mPreview.getView().getWidth();
|
|
viewHeight = mPreview.getView().getHeight();
|
|
}
|
|
final int viewWidthF = viewWidth;
|
|
final int viewHeightF = viewHeight;
|
|
// Schedule.
|
|
schedule(null, true, new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (!mCameraOptions.isAutoFocusSupported()) return;
|
|
final PointF p = new PointF(point.x, point.y); // copy.
|
|
List<Camera.Area> meteringAreas2 = computeMeteringAreas(p.x, p.y,
|
|
viewWidthF, viewHeightF, computeSensorToViewOffset());
|
|
List<Camera.Area> meteringAreas1 = meteringAreas2.subList(0, 1);
|
|
|
|
// At this point we are sure that camera supports auto focus... right? Look at CameraView.onTouchEvent().
|
|
Camera.Parameters params = mCamera.getParameters();
|
|
int maxAF = params.getMaxNumFocusAreas();
|
|
int maxAE = params.getMaxNumMeteringAreas();
|
|
if (maxAF > 0) params.setFocusAreas(maxAF > 1 ? meteringAreas2 : meteringAreas1);
|
|
if (maxAE > 0) params.setMeteringAreas(maxAE > 1 ? meteringAreas2 : meteringAreas1);
|
|
params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
|
|
mCamera.setParameters(params);
|
|
mCameraCallbacks.dispatchOnFocusStart(gesture, p);
|
|
// TODO this is not guaranteed to be called... Fix.
|
|
mCamera.autoFocus(new Camera.AutoFocusCallback() {
|
|
@Override
|
|
public void onAutoFocus(boolean success, Camera camera) {
|
|
// TODO lock auto exposure and white balance for a while
|
|
mCameraCallbacks.dispatchOnFocusEnd(gesture, success, p);
|
|
mHandler.get().removeCallbacks(mPostFocusResetRunnable);
|
|
mHandler.get().postDelayed(mPostFocusResetRunnable, mPostFocusResetDelay);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
@WorkerThread
|
|
private static List<Camera.Area> computeMeteringAreas(double viewClickX, double viewClickY,
|
|
int viewWidth, int viewHeight,
|
|
int sensorToDisplay) {
|
|
// Event came in view coordinates. We must rotate to sensor coordinates.
|
|
// First, rescale to the -1000 ... 1000 range.
|
|
int displayToSensor = -sensorToDisplay;
|
|
viewClickX = -1000d + (viewClickX / (double) viewWidth) * 2000d;
|
|
viewClickY = -1000d + (viewClickY / (double) viewHeight) * 2000d;
|
|
|
|
// Apply rotation to this point.
|
|
// https://academo.org/demos/rotation-about-point/
|
|
double theta = ((double) displayToSensor) * Math.PI / 180;
|
|
double sensorClickX = viewClickX * Math.cos(theta) - viewClickY * Math.sin(theta);
|
|
double sensorClickY = viewClickX * Math.sin(theta) + viewClickY * Math.cos(theta);
|
|
LOG.i("focus:", "viewClickX:", viewClickX, "viewClickY:", viewClickY);
|
|
LOG.i("focus:", "sensorClickX:", sensorClickX, "sensorClickY:", sensorClickY);
|
|
|
|
// Compute the rect bounds.
|
|
Rect rect1 = computeMeteringArea(sensorClickX, sensorClickY, 150d);
|
|
int weight1 = 1000; // 150 * 150 * 1000 = more than 10.000.000
|
|
Rect rect2 = computeMeteringArea(sensorClickX, sensorClickY, 300d);
|
|
int weight2 = 100; // 300 * 300 * 100 = 9.000.000
|
|
|
|
List<Camera.Area> list = new ArrayList<>(2);
|
|
list.add(new Camera.Area(rect1, weight1));
|
|
list.add(new Camera.Area(rect2, weight2));
|
|
return list;
|
|
}
|
|
|
|
|
|
private static Rect computeMeteringArea(double centerX, double centerY, double size) {
|
|
double delta = size / 2d;
|
|
int top = (int) Math.max(centerY - delta, -1000);
|
|
int bottom = (int) Math.min(centerY + delta, 1000);
|
|
int left = (int) Math.max(centerX - delta, -1000);
|
|
int right = (int) Math.min(centerX + delta, 1000);
|
|
LOG.i("focus:", "computeMeteringArea:", "top:", top, "left:", left, "bottom:", bottom, "right:", right);
|
|
return new Rect(left, top, right, bottom);
|
|
}
|
|
|
|
|
|
// -----------------
|
|
// Size stuff.
|
|
|
|
|
|
@Nullable
|
|
private List<Size> sizesFromList(List<Camera.Size> sizes) {
|
|
if (sizes == null) return null;
|
|
List<Size> result = new ArrayList<>(sizes.size());
|
|
for (Camera.Size size : sizes) {
|
|
Size add = new Size(size.width, size.height);
|
|
if (!result.contains(add)) result.add(add);
|
|
}
|
|
LOG.i("size:", "sizesFromList:", result);
|
|
return result;
|
|
}
|
|
|
|
@Override
|
|
void setVideoMaxSize(long videoMaxSizeInBytes) {
|
|
mVideoMaxSizeInBytes = videoMaxSizeInBytes;
|
|
}
|
|
|
|
@Override
|
|
void setPlaySounds(boolean playSounds) {
|
|
final boolean old = mPlaySounds;
|
|
mPlaySounds = playSounds;
|
|
schedule(mPlaySoundsTask, true, new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
mergePlaySound(old);
|
|
}
|
|
});
|
|
}
|
|
|
|
// -----------------
|
|
// Additional helper info
|
|
}
|
|
|
|
|