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Diffstat (limited to 'src/com/android/messaging/ui/mediapicker/CameraManager.java')
| -rw-r--r-- | src/com/android/messaging/ui/mediapicker/CameraManager.java | 1200 |
1 files changed, 0 insertions, 1200 deletions
diff --git a/src/com/android/messaging/ui/mediapicker/CameraManager.java b/src/com/android/messaging/ui/mediapicker/CameraManager.java deleted file mode 100644 index 166ebd7..0000000 --- a/src/com/android/messaging/ui/mediapicker/CameraManager.java +++ /dev/null @@ -1,1200 +0,0 @@ -/* - * Copyright (C) 2015 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.messaging.ui.mediapicker; - -import android.Manifest; -import android.app.Activity; -import android.content.Context; -import android.content.pm.ActivityInfo; -import android.content.res.Configuration; -import android.content.res.Resources; -import android.hardware.Camera; -import android.hardware.Camera.CameraInfo; -import android.media.MediaRecorder; -import android.net.Uri; -import android.os.AsyncTask; -import android.os.Looper; -import android.support.annotation.NonNull; -import android.text.TextUtils; -import android.util.DisplayMetrics; -import android.view.MotionEvent; -import android.view.OrientationEventListener; -import android.view.Surface; -import android.view.View; -import android.view.WindowManager; - -import com.android.messaging.datamodel.data.DraftMessageData.DraftMessageSubscriptionDataProvider; -import com.android.messaging.Factory; -import com.android.messaging.datamodel.data.ParticipantData; -import com.android.messaging.datamodel.media.ImageRequest; -import com.android.messaging.sms.MmsConfig; -import com.android.messaging.ui.mediapicker.camerafocus.FocusOverlayManager; -import com.android.messaging.ui.mediapicker.camerafocus.RenderOverlay; -import com.android.messaging.util.Assert; -import com.android.messaging.util.BugleGservices; -import com.android.messaging.util.BugleGservicesKeys; -import com.android.messaging.util.LogUtil; -import com.android.messaging.util.OsUtil; -import com.android.messaging.util.UiUtils; -import com.google.common.annotations.VisibleForTesting; - -import java.io.FileNotFoundException; -import java.io.IOException; -import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; -import java.util.List; - -/** - * Class which manages interactions with the camera, but does not do any UI. This class is - * designed to be a singleton to ensure there is one component managing the camera and releasing - * the native resources. - * In order to acquire a camera, a caller must: - * <ul> - * <li>Call selectCamera to select front or back camera - * <li>Call setSurface to control where the preview is shown - * <li>Call openCamera to request the camera start preview - * </ul> - * Callers should call onPause and onResume to ensure that the camera is release while the activity - * is not active. - * This class is not thread safe. It should only be called from one thread (the UI thread or test - * thread) - */ -class CameraManager implements FocusOverlayManager.Listener { - /** - * Wrapper around the framework camera API to allow mocking different hardware scenarios while - * unit testing - */ - interface CameraWrapper { - int getNumberOfCameras(); - void getCameraInfo(int index, CameraInfo cameraInfo); - Camera open(int cameraId); - /** Add a wrapper for release because a final method cannot be mocked */ - void release(Camera camera); - } - - /** - * Callbacks for the camera manager listener - */ - interface CameraManagerListener { - void onCameraError(int errorCode, Exception e); - void onCameraChanged(); - } - - /** - * Callback when taking image or video - */ - interface MediaCallback { - static final int MEDIA_CAMERA_CHANGED = 1; - static final int MEDIA_NO_DATA = 2; - - void onMediaReady(Uri uriToMedia, String contentType, int width, int height); - void onMediaFailed(Exception exception); - void onMediaInfo(int what); - } - - // Error codes - static final int ERROR_OPENING_CAMERA = 1; - static final int ERROR_SHOWING_PREVIEW = 2; - static final int ERROR_INITIALIZING_VIDEO = 3; - static final int ERROR_STORAGE_FAILURE = 4; - static final int ERROR_RECORDING_VIDEO = 5; - static final int ERROR_HARDWARE_ACCELERATION_DISABLED = 6; - static final int ERROR_TAKING_PICTURE = 7; - - private static final String TAG = LogUtil.BUGLE_TAG; - private static final int NO_CAMERA_SELECTED = -1; - - private static CameraManager sInstance; - - /** Default camera wrapper which directs calls to the framework APIs */ - private static CameraWrapper sCameraWrapper = new CameraWrapper() { - @Override - public int getNumberOfCameras() { - return Camera.getNumberOfCameras(); - } - - @Override - public void getCameraInfo(final int index, final CameraInfo cameraInfo) { - Camera.getCameraInfo(index, cameraInfo); - } - - @Override - public Camera open(final int cameraId) { - return Camera.open(cameraId); - } - - @Override - public void release(final Camera camera) { - camera.release(); - } - }; - - /** The CameraInfo for the currently selected camera */ - private final CameraInfo mCameraInfo; - - /** - * The index of the selected camera or NO_CAMERA_SELECTED if a camera hasn't been selected yet - */ - private int mCameraIndex; - - /** True if the device has front and back cameras */ - private final boolean mHasFrontAndBackCamera; - - /** True if the camera should be open (may not yet be actually open) */ - private boolean mOpenRequested; - - /** True if the camera is requested to be in video mode */ - private boolean mVideoModeRequested; - - /** The media recorder for video mode */ - private MmsVideoRecorder mMediaRecorder; - - /** Callback to call with video recording updates */ - private MediaCallback mVideoCallback; - - /** The preview view to show the preview on */ - private CameraPreview mCameraPreview; - - /** The helper classs to handle orientation changes */ - private OrientationHandler mOrientationHandler; - - /** Tracks whether the preview has hardware acceleration */ - private boolean mIsHardwareAccelerationSupported; - - /** - * The task for opening the camera, so it doesn't block the UI thread - * Using AsyncTask rather than SafeAsyncTask because the tasks need to be serialized, but don't - * need to be on the UI thread - * TODO: If we have other AyncTasks (not SafeAsyncTasks) this may contend and we may - * need to create a dedicated thread, or synchronize the threads in the thread pool - */ - private AsyncTask<Integer, Void, Camera> mOpenCameraTask; - - /** - * The camera index that is queued to be opened, but not completed yet, or NO_CAMERA_SELECTED if - * no open task is pending - */ - private int mPendingOpenCameraIndex = NO_CAMERA_SELECTED; - - /** The instance of the currently opened camera */ - private Camera mCamera; - - /** The rotation of the screen relative to the camera's natural orientation */ - private int mRotation; - - /** The callback to notify when errors or other events occur */ - private CameraManagerListener mListener; - - /** True if the camera is currently in the process of taking an image */ - private boolean mTakingPicture; - - /** Provides subscription-related data to access per-subscription configurations. */ - private DraftMessageSubscriptionDataProvider mSubscriptionDataProvider; - - /** Manages auto focus visual and behavior */ - private final FocusOverlayManager mFocusOverlayManager; - - private CameraManager() { - mCameraInfo = new CameraInfo(); - mCameraIndex = NO_CAMERA_SELECTED; - - // Check to see if a front and back camera exist - boolean hasFrontCamera = false; - boolean hasBackCamera = false; - final CameraInfo cameraInfo = new CameraInfo(); - final int cameraCount = sCameraWrapper.getNumberOfCameras(); - try { - for (int i = 0; i < cameraCount; i++) { - sCameraWrapper.getCameraInfo(i, cameraInfo); - if (cameraInfo.facing == CameraInfo.CAMERA_FACING_FRONT) { - hasFrontCamera = true; - } else if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { - hasBackCamera = true; - } - if (hasFrontCamera && hasBackCamera) { - break; - } - } - } catch (final RuntimeException e) { - LogUtil.e(TAG, "Unable to load camera info", e); - } - mHasFrontAndBackCamera = hasFrontCamera && hasBackCamera; - mFocusOverlayManager = new FocusOverlayManager(this, Looper.getMainLooper()); - - // Assume the best until we are proven otherwise - mIsHardwareAccelerationSupported = true; - } - - /** Gets the singleton instance */ - static CameraManager get() { - if (sInstance == null) { - sInstance = new CameraManager(); - } - return sInstance; - } - - /** Allows tests to inject a custom camera wrapper */ - @VisibleForTesting - static void setCameraWrapper(final CameraWrapper cameraWrapper) { - sCameraWrapper = cameraWrapper; - sInstance = null; - } - - /** - * Sets the surface to use to display the preview - * This must only be called AFTER the CameraPreview has a texture ready - * @param preview The preview surface view - */ - void setSurface(final CameraPreview preview) { - if (preview == mCameraPreview) { - return; - } - - if (preview != null) { - Assert.isTrue(preview.isValid()); - preview.setOnTouchListener(new View.OnTouchListener() { - @Override - public boolean onTouch(final View view, final MotionEvent motionEvent) { - if ((motionEvent.getActionMasked() & MotionEvent.ACTION_UP) == - MotionEvent.ACTION_UP) { - mFocusOverlayManager.setPreviewSize(view.getWidth(), view.getHeight()); - mFocusOverlayManager.onSingleTapUp( - (int) motionEvent.getX() + view.getLeft(), - (int) motionEvent.getY() + view.getTop()); - } - return true; - } - }); - } - mCameraPreview = preview; - tryShowPreview(); - } - - void setRenderOverlay(final RenderOverlay renderOverlay) { - mFocusOverlayManager.setFocusRenderer(renderOverlay != null ? - renderOverlay.getPieRenderer() : null); - } - - /** Convenience function to swap between front and back facing cameras */ - void swapCamera() { - Assert.isTrue(mCameraIndex >= 0); - selectCamera(mCameraInfo.facing == CameraInfo.CAMERA_FACING_FRONT ? - CameraInfo.CAMERA_FACING_BACK : - CameraInfo.CAMERA_FACING_FRONT); - } - - /** - * Selects the first camera facing the desired direction, or the first camera if there is no - * camera in the desired direction - * @param desiredFacing One of the CameraInfo.CAMERA_FACING_* constants - * @return True if a camera was selected, or false if selecting a camera failed - */ - boolean selectCamera(final int desiredFacing) { - try { - // We already selected a camera facing that direction - if (mCameraIndex >= 0 && mCameraInfo.facing == desiredFacing) { - return true; - } - - final int cameraCount = sCameraWrapper.getNumberOfCameras(); - Assert.isTrue(cameraCount > 0); - - mCameraIndex = NO_CAMERA_SELECTED; - setCamera(null); - final CameraInfo cameraInfo = new CameraInfo(); - for (int i = 0; i < cameraCount; i++) { - sCameraWrapper.getCameraInfo(i, cameraInfo); - if (cameraInfo.facing == desiredFacing) { - mCameraIndex = i; - sCameraWrapper.getCameraInfo(i, mCameraInfo); - break; - } - } - - // There's no camera in the desired facing direction, just select the first camera - // regardless of direction - if (mCameraIndex < 0) { - mCameraIndex = 0; - sCameraWrapper.getCameraInfo(0, mCameraInfo); - } - - if (mOpenRequested) { - // The camera is open, so reopen with the newly selected camera - openCamera(); - } - return true; - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.selectCamera", e); - if (mListener != null) { - mListener.onCameraError(ERROR_OPENING_CAMERA, e); - } - return false; - } - } - - int getCameraIndex() { - return mCameraIndex; - } - - void selectCameraByIndex(final int cameraIndex) { - if (mCameraIndex == cameraIndex) { - return; - } - - try { - mCameraIndex = cameraIndex; - sCameraWrapper.getCameraInfo(mCameraIndex, mCameraInfo); - if (mOpenRequested) { - openCamera(); - } - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.selectCameraByIndex", e); - if (mListener != null) { - mListener.onCameraError(ERROR_OPENING_CAMERA, e); - } - } - } - - @VisibleForTesting - CameraInfo getCameraInfo() { - if (mCameraIndex == NO_CAMERA_SELECTED) { - return null; - } - return mCameraInfo; - } - - /** @return True if this device has camera capabilities */ - boolean hasAnyCamera() { - return sCameraWrapper.getNumberOfCameras() > 0; - } - - /** @return True if the device has both a front and back camera */ - boolean hasFrontAndBackCamera() { - return mHasFrontAndBackCamera; - } - - /** - * Opens the camera on a separate thread and initiates the preview if one is available - */ - void openCamera() { - if (mCameraIndex == NO_CAMERA_SELECTED) { - // Ensure a selected camera if none is currently selected. This may happen if the - // camera chooser is not the default media chooser. - selectCamera(CameraInfo.CAMERA_FACING_BACK); - } - mOpenRequested = true; - // We're already opening the camera or already have the camera handle, nothing more to do - if (mPendingOpenCameraIndex == mCameraIndex || mCamera != null) { - return; - } - - // True if the task to open the camera has to be delayed until the current one completes - boolean delayTask = false; - - // Cancel any previous open camera tasks - if (mOpenCameraTask != null) { - mPendingOpenCameraIndex = NO_CAMERA_SELECTED; - delayTask = true; - } - - mPendingOpenCameraIndex = mCameraIndex; - mOpenCameraTask = new AsyncTask<Integer, Void, Camera>() { - private Exception mException; - - @Override - protected Camera doInBackground(final Integer... params) { - try { - final int cameraIndex = params[0]; - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "Opening camera " + mCameraIndex); - } - return sCameraWrapper.open(cameraIndex); - } catch (final Exception e) { - LogUtil.e(TAG, "Exception while opening camera", e); - mException = e; - return null; - } - } - - @Override - protected void onPostExecute(final Camera camera) { - // If we completed, but no longer want this camera, then release the camera - if (mOpenCameraTask != this || !mOpenRequested) { - releaseCamera(camera); - cleanup(); - return; - } - - cleanup(); - - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "Opened camera " + mCameraIndex + " " + (camera != null)); - } - - setCamera(camera); - if (camera == null) { - if (mListener != null) { - mListener.onCameraError(ERROR_OPENING_CAMERA, mException); - } - LogUtil.e(TAG, "Error opening camera"); - } - } - - @Override - protected void onCancelled() { - super.onCancelled(); - cleanup(); - } - - private void cleanup() { - mPendingOpenCameraIndex = NO_CAMERA_SELECTED; - if (mOpenCameraTask != null && mOpenCameraTask.getStatus() == Status.PENDING) { - // If there's another task waiting on this one to complete, start it now - mOpenCameraTask.execute(mCameraIndex); - } else { - mOpenCameraTask = null; - } - - } - }; - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "Start opening camera " + mCameraIndex); - } - - if (!delayTask) { - mOpenCameraTask.execute(mCameraIndex); - } - } - - boolean isVideoMode() { - return mVideoModeRequested; - } - - boolean isRecording() { - return mVideoModeRequested && mVideoCallback != null; - } - - void setVideoMode(final boolean videoMode) { - if (mVideoModeRequested == videoMode) { - return; - } - mVideoModeRequested = videoMode; - tryInitOrCleanupVideoMode(); - } - - /** Closes the camera releasing the resources it uses */ - void closeCamera() { - mOpenRequested = false; - setCamera(null); - } - - /** Temporarily closes the camera if it is open */ - void onPause() { - setCamera(null); - } - - /** Reopens the camera if it was opened when onPause was called */ - void onResume() { - if (mOpenRequested) { - openCamera(); - } - } - - /** - * Sets the listener which will be notified of errors or other events in the camera - * @param listener The listener to notify - */ - void setListener(final CameraManagerListener listener) { - Assert.isMainThread(); - mListener = listener; - if (!mIsHardwareAccelerationSupported && mListener != null) { - mListener.onCameraError(ERROR_HARDWARE_ACCELERATION_DISABLED, null); - } - } - - void setSubscriptionDataProvider(final DraftMessageSubscriptionDataProvider provider) { - mSubscriptionDataProvider = provider; - } - - void takePicture(final float heightPercent, @NonNull final MediaCallback callback) { - Assert.isTrue(!mVideoModeRequested); - Assert.isTrue(!mTakingPicture); - Assert.notNull(callback); - if (mCamera == null) { - // The caller should have checked isCameraAvailable first, but just in case, protect - // against a null camera by notifying the callback that taking the picture didn't work - callback.onMediaFailed(null); - return; - } - final Camera.PictureCallback jpegCallback = new Camera.PictureCallback() { - @Override - public void onPictureTaken(final byte[] bytes, final Camera camera) { - mTakingPicture = false; - if (mCamera != camera) { - // This may happen if the camera was changed between front/back while the - // picture is being taken. - callback.onMediaInfo(MediaCallback.MEDIA_CAMERA_CHANGED); - return; - } - - if (bytes == null) { - callback.onMediaInfo(MediaCallback.MEDIA_NO_DATA); - return; - } - - final Camera.Size size = camera.getParameters().getPictureSize(); - int width; - int height; - if (mRotation == 90 || mRotation == 270) { - width = size.height; - height = size.width; - } else { - width = size.width; - height = size.height; - } - new ImagePersistTask( - width, height, heightPercent, bytes, mCameraPreview.getContext(), callback) - .executeOnThreadPool(); - } - }; - - mTakingPicture = true; - try { - mCamera.takePicture( - null /* shutter */, - null /* raw */, - null /* postView */, - jpegCallback); - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.takePicture", e); - mTakingPicture = false; - if (mListener != null) { - mListener.onCameraError(ERROR_TAKING_PICTURE, e); - } - } - } - - void startVideo(final MediaCallback callback) { - Assert.notNull(callback); - Assert.isTrue(!isRecording()); - mVideoCallback = callback; - tryStartVideoCapture(); - } - - /** - * Asynchronously releases a camera - * @param camera The camera to release - */ - private void releaseCamera(final Camera camera) { - if (camera == null) { - return; - } - - mFocusOverlayManager.onCameraReleased(); - - new AsyncTask<Void, Void, Void>() { - @Override - protected Void doInBackground(final Void... params) { - if (LogUtil.isLoggable(TAG, LogUtil.VERBOSE)) { - LogUtil.v(TAG, "Releasing camera " + mCameraIndex); - } - sCameraWrapper.release(camera); - return null; - } - }.execute(); - } - - private void releaseMediaRecorder(final boolean cleanupFile) { - if (mMediaRecorder == null) { - return; - } - mVideoModeRequested = false; - - if (cleanupFile) { - mMediaRecorder.cleanupTempFile(); - if (mVideoCallback != null) { - final MediaCallback callback = mVideoCallback; - mVideoCallback = null; - // Notify the callback that we've stopped recording - callback.onMediaReady(null /*uri*/, null /*contentType*/, 0 /*width*/, - 0 /*height*/); - } - } - - mMediaRecorder.release(); - mMediaRecorder = null; - - if (mCamera != null) { - try { - mCamera.reconnect(); - } catch (final IOException e) { - LogUtil.e(TAG, "IOException in CameraManager.releaseMediaRecorder", e); - if (mListener != null) { - mListener.onCameraError(ERROR_OPENING_CAMERA, e); - } - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.releaseMediaRecorder", e); - if (mListener != null) { - mListener.onCameraError(ERROR_OPENING_CAMERA, e); - } - } - } - restoreRequestedOrientation(); - } - - /** Updates the orientation of the camera to match the orientation of the device */ - private void updateCameraOrientation() { - if (mCamera == null || mCameraPreview == null || mTakingPicture) { - return; - } - - final WindowManager windowManager = - (WindowManager) mCameraPreview.getContext().getSystemService( - Context.WINDOW_SERVICE); - - int degrees = 0; - switch (windowManager.getDefaultDisplay().getRotation()) { - case Surface.ROTATION_0: degrees = 0; break; - case Surface.ROTATION_90: degrees = 90; break; - case Surface.ROTATION_180: degrees = 180; break; - case Surface.ROTATION_270: degrees = 270; break; - } - - // The display orientation of the camera (this controls the preview image). - int orientation; - - // The clockwise rotation angle relative to the orientation of the camera. This affects - // pictures returned by the camera in Camera.PictureCallback. - int rotation; - if (mCameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { - orientation = (mCameraInfo.orientation + degrees) % 360; - rotation = orientation; - // compensate the mirror but only for orientation - orientation = (360 - orientation) % 360; - } else { // back-facing - orientation = (mCameraInfo.orientation - degrees + 360) % 360; - rotation = orientation; - } - mRotation = rotation; - if (mMediaRecorder == null) { - try { - mCamera.setDisplayOrientation(orientation); - final Camera.Parameters params = mCamera.getParameters(); - params.setRotation(rotation); - mCamera.setParameters(params); - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.updateCameraOrientation", e); - if (mListener != null) { - mListener.onCameraError(ERROR_OPENING_CAMERA, e); - } - } - } - } - - /** Sets the current camera, releasing any previously opened camera */ - private void setCamera(final Camera camera) { - if (mCamera == camera) { - return; - } - - releaseMediaRecorder(true /* cleanupFile */); - releaseCamera(mCamera); - mCamera = camera; - tryShowPreview(); - if (mListener != null) { - mListener.onCameraChanged(); - } - } - - /** Shows the preview if the camera is open and the preview is loaded */ - private void tryShowPreview() { - if (mCameraPreview == null || mCamera == null) { - if (mOrientationHandler != null) { - mOrientationHandler.disable(); - mOrientationHandler = null; - } - releaseMediaRecorder(true /* cleanupFile */); - mFocusOverlayManager.onPreviewStopped(); - return; - } - try { - mCamera.stopPreview(); - updateCameraOrientation(); - - final Camera.Parameters params = mCamera.getParameters(); - final Camera.Size pictureSize = chooseBestPictureSize(); - final Camera.Size previewSize = chooseBestPreviewSize(pictureSize); - params.setPreviewSize(previewSize.width, previewSize.height); - params.setPictureSize(pictureSize.width, pictureSize.height); - logCameraSize("Setting preview size: ", previewSize); - logCameraSize("Setting picture size: ", pictureSize); - mCameraPreview.setSize(previewSize, mCameraInfo.orientation); - for (final String focusMode : params.getSupportedFocusModes()) { - if (TextUtils.equals(focusMode, Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) { - // Use continuous focus if available - params.setFocusMode(focusMode); - break; - } - } - - mCamera.setParameters(params); - mCameraPreview.startPreview(mCamera); - mCamera.startPreview(); - mCamera.setAutoFocusMoveCallback(new Camera.AutoFocusMoveCallback() { - @Override - public void onAutoFocusMoving(final boolean start, final Camera camera) { - mFocusOverlayManager.onAutoFocusMoving(start); - } - }); - mFocusOverlayManager.setParameters(mCamera.getParameters()); - mFocusOverlayManager.setMirror(mCameraInfo.facing == CameraInfo.CAMERA_FACING_BACK); - mFocusOverlayManager.onPreviewStarted(); - tryInitOrCleanupVideoMode(); - if (mOrientationHandler == null) { - mOrientationHandler = new OrientationHandler(mCameraPreview.getContext()); - mOrientationHandler.enable(); - } - } catch (final IOException e) { - LogUtil.e(TAG, "IOException in CameraManager.tryShowPreview", e); - if (mListener != null) { - mListener.onCameraError(ERROR_SHOWING_PREVIEW, e); - } - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.tryShowPreview", e); - if (mListener != null) { - mListener.onCameraError(ERROR_SHOWING_PREVIEW, e); - } - } - } - - private void tryInitOrCleanupVideoMode() { - if (!mVideoModeRequested || mCamera == null || mCameraPreview == null) { - releaseMediaRecorder(true /* cleanupFile */); - return; - } - - if (mMediaRecorder != null) { - return; - } - - try { - mCamera.unlock(); - final int maxMessageSize = getMmsConfig().getMaxMessageSize(); - mMediaRecorder = new MmsVideoRecorder(mCamera, mCameraIndex, mRotation, maxMessageSize); - mMediaRecorder.prepare(); - } catch (final FileNotFoundException e) { - LogUtil.e(TAG, "FileNotFoundException in CameraManager.tryInitOrCleanupVideoMode", e); - if (mListener != null) { - mListener.onCameraError(ERROR_STORAGE_FAILURE, e); - } - setVideoMode(false); - return; - } catch (final IOException e) { - LogUtil.e(TAG, "IOException in CameraManager.tryInitOrCleanupVideoMode", e); - if (mListener != null) { - mListener.onCameraError(ERROR_INITIALIZING_VIDEO, e); - } - setVideoMode(false); - return; - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.tryInitOrCleanupVideoMode", e); - if (mListener != null) { - mListener.onCameraError(ERROR_INITIALIZING_VIDEO, e); - } - setVideoMode(false); - return; - } - - tryStartVideoCapture(); - } - - private void tryStartVideoCapture() { - if (mMediaRecorder == null || mVideoCallback == null) { - return; - } - - mMediaRecorder.setOnErrorListener(new MediaRecorder.OnErrorListener() { - @Override - public void onError(final MediaRecorder mediaRecorder, final int what, - final int extra) { - if (mListener != null) { - mListener.onCameraError(ERROR_RECORDING_VIDEO, null); - } - restoreRequestedOrientation(); - } - }); - - mMediaRecorder.setOnInfoListener(new MediaRecorder.OnInfoListener() { - @Override - public void onInfo(final MediaRecorder mediaRecorder, final int what, final int extra) { - if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED || - what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) { - stopVideo(); - } - } - }); - - try { - mMediaRecorder.start(); - final Activity activity = UiUtils.getActivity(mCameraPreview.getContext()); - activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); - lockOrientation(); - } catch (final IllegalStateException e) { - LogUtil.e(TAG, "IllegalStateException in CameraManager.tryStartVideoCapture", e); - if (mListener != null) { - mListener.onCameraError(ERROR_RECORDING_VIDEO, e); - } - setVideoMode(false); - restoreRequestedOrientation(); - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.tryStartVideoCapture", e); - if (mListener != null) { - mListener.onCameraError(ERROR_RECORDING_VIDEO, e); - } - setVideoMode(false); - restoreRequestedOrientation(); - } - } - - void stopVideo() { - int width = ImageRequest.UNSPECIFIED_SIZE; - int height = ImageRequest.UNSPECIFIED_SIZE; - Uri uri = null; - String contentType = null; - try { - final Activity activity = UiUtils.getActivity(mCameraPreview.getContext()); - activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); - mMediaRecorder.stop(); - width = mMediaRecorder.getVideoWidth(); - height = mMediaRecorder.getVideoHeight(); - uri = mMediaRecorder.getVideoUri(); - contentType = mMediaRecorder.getContentType(); - } catch (final RuntimeException e) { - // MediaRecorder.stop will throw a RuntimeException if the video was too short, let the - // finally clause call the callback with null uri and handle cleanup - LogUtil.e(TAG, "RuntimeException in CameraManager.stopVideo", e); - } finally { - final MediaCallback videoCallback = mVideoCallback; - mVideoCallback = null; - releaseMediaRecorder(false /* cleanupFile */); - if (uri == null) { - tryInitOrCleanupVideoMode(); - } - videoCallback.onMediaReady(uri, contentType, width, height); - } - } - - boolean isCameraAvailable() { - return mCamera != null && !mTakingPicture && mIsHardwareAccelerationSupported; - } - - /** - * External components call into this to report if hardware acceleration is supported. When - * hardware acceleration isn't supported, we need to report an error through the listener - * interface - * @param isHardwareAccelerationSupported True if the preview is rendering in a hardware - * accelerated view. - */ - void reportHardwareAccelerationSupported(final boolean isHardwareAccelerationSupported) { - Assert.isMainThread(); - if (mIsHardwareAccelerationSupported == isHardwareAccelerationSupported) { - // If the value hasn't changed nothing more to do - return; - } - - mIsHardwareAccelerationSupported = isHardwareAccelerationSupported; - if (!isHardwareAccelerationSupported) { - LogUtil.e(TAG, "Software rendering - cannot open camera"); - if (mListener != null) { - mListener.onCameraError(ERROR_HARDWARE_ACCELERATION_DISABLED, null); - } - } - } - - /** Returns the scale factor to scale the width/height to max allowed in MmsConfig */ - private float getScaleFactorForMaxAllowedSize(final int width, final int height, - final int maxWidth, final int maxHeight) { - if (maxWidth <= 0 || maxHeight <= 0) { - // MmsConfig initialization runs asynchronously on application startup, so there's a - // chance (albeit a very slight one) that we don't have it yet. - LogUtil.w(LogUtil.BUGLE_TAG, "Max image size not loaded in MmsConfig"); - return 1.0f; - } - - if (width <= maxWidth && height <= maxHeight) { - // Already meeting requirements. - return 1.0f; - } - - return Math.min(maxWidth * 1.0f / width, maxHeight * 1.0f / height); - } - - private MmsConfig getMmsConfig() { - final int subId = mSubscriptionDataProvider != null ? - mSubscriptionDataProvider.getConversationSelfSubId() : - ParticipantData.DEFAULT_SELF_SUB_ID; - return MmsConfig.get(subId); - } - - /** - * Choose the best picture size by trying to find a size close to the MmsConfig's max size, - * which is closest to the screen aspect ratio - */ - private Camera.Size chooseBestPictureSize() { - final Context context = mCameraPreview.getContext(); - final Resources resources = context.getResources(); - final DisplayMetrics displayMetrics = resources.getDisplayMetrics(); - final int displayOrientation = resources.getConfiguration().orientation; - int cameraOrientation = mCameraInfo.orientation; - - int screenWidth; - int screenHeight; - if (displayOrientation == Configuration.ORIENTATION_LANDSCAPE) { - // Rotate the camera orientation 90 degrees to compensate for the rotated display - // metrics. Direction doesn't matter because we're just using it for width/height - cameraOrientation += 90; - } - - // Check the camera orientation relative to the display. - // For 0, 180, 360, the screen width/height are the display width/height - // For 90, 270, the screen width/height are inverted from the display - if (cameraOrientation % 180 == 0) { - screenWidth = displayMetrics.widthPixels; - screenHeight = displayMetrics.heightPixels; - } else { - screenWidth = displayMetrics.heightPixels; - screenHeight = displayMetrics.widthPixels; - } - - final MmsConfig mmsConfig = getMmsConfig(); - final int maxWidth = mmsConfig.getMaxImageWidth(); - final int maxHeight = mmsConfig.getMaxImageHeight(); - - // Constrain the size within the max width/height defined by MmsConfig. - final float scaleFactor = getScaleFactorForMaxAllowedSize(screenWidth, screenHeight, - maxWidth, maxHeight); - screenWidth *= scaleFactor; - screenHeight *= scaleFactor; - - final float aspectRatio = BugleGservices.get().getFloat( - BugleGservicesKeys.CAMERA_ASPECT_RATIO, - screenWidth / (float) screenHeight); - final List<Camera.Size> sizes = new ArrayList<Camera.Size>( - mCamera.getParameters().getSupportedPictureSizes()); - final int maxPixels = maxWidth * maxHeight; - - // Sort the sizes so the best size is first - Collections.sort(sizes, new SizeComparator(maxWidth, maxHeight, aspectRatio, maxPixels)); - - return sizes.get(0); - } - - /** - * Chose the best preview size based on the picture size. Try to find a size with the same - * aspect ratio and size as the picture if possible - */ - private Camera.Size chooseBestPreviewSize(final Camera.Size pictureSize) { - final List<Camera.Size> sizes = new ArrayList<Camera.Size>( - mCamera.getParameters().getSupportedPreviewSizes()); - final float aspectRatio = pictureSize.width / (float) pictureSize.height; - final int capturePixels = pictureSize.width * pictureSize.height; - - // Sort the sizes so the best size is first - Collections.sort(sizes, new SizeComparator(Integer.MAX_VALUE, Integer.MAX_VALUE, - aspectRatio, capturePixels)); - - return sizes.get(0); - } - - private class OrientationHandler extends OrientationEventListener { - OrientationHandler(final Context context) { - super(context); - } - - @Override - public void onOrientationChanged(final int orientation) { - updateCameraOrientation(); - } - } - - private static class SizeComparator implements Comparator<Camera.Size> { - private static final int PREFER_LEFT = -1; - private static final int PREFER_RIGHT = 1; - - // The max width/height for the preferred size. Integer.MAX_VALUE if no size limit - private final int mMaxWidth; - private final int mMaxHeight; - - // The desired aspect ratio - private final float mTargetAspectRatio; - - // The desired size (width x height) to try to match - private final int mTargetPixels; - - public SizeComparator(final int maxWidth, final int maxHeight, - final float targetAspectRatio, final int targetPixels) { - mMaxWidth = maxWidth; - mMaxHeight = maxHeight; - mTargetAspectRatio = targetAspectRatio; - mTargetPixels = targetPixels; - } - - /** - * Returns a negative value if left is a better choice than right, or a positive value if - * right is a better choice is better than left. 0 if they are equal - */ - @Override - public int compare(final Camera.Size left, final Camera.Size right) { - // If one size is less than the max size prefer it over the other - if ((left.width <= mMaxWidth && left.height <= mMaxHeight) != - (right.width <= mMaxWidth && right.height <= mMaxHeight)) { - return left.width <= mMaxWidth ? PREFER_LEFT : PREFER_RIGHT; - } - - // If one is closer to the target aspect ratio, prefer it. - final float leftAspectRatio = left.width / (float) left.height; - final float rightAspectRatio = right.width / (float) right.height; - final float leftAspectRatioDiff = Math.abs(leftAspectRatio - mTargetAspectRatio); - final float rightAspectRatioDiff = Math.abs(rightAspectRatio - mTargetAspectRatio); - if (leftAspectRatioDiff != rightAspectRatioDiff) { - return (leftAspectRatioDiff - rightAspectRatioDiff) < 0 ? - PREFER_LEFT : PREFER_RIGHT; - } - - // At this point they have the same aspect ratio diff and are either both bigger - // than the max size or both smaller than the max size, so prefer the one closest - // to target size - final int leftDiff = Math.abs((left.width * left.height) - mTargetPixels); - final int rightDiff = Math.abs((right.width * right.height) - mTargetPixels); - return leftDiff - rightDiff; - } - } - - @Override // From FocusOverlayManager.Listener - public void autoFocus() { - if (mCamera == null) { - return; - } - - try { - mCamera.autoFocus(new Camera.AutoFocusCallback() { - @Override - public void onAutoFocus(final boolean success, final Camera camera) { - mFocusOverlayManager.onAutoFocus(success, false /* shutterDown */); - } - }); - } catch (final RuntimeException e) { - LogUtil.e(TAG, "RuntimeException in CameraManager.autoFocus", e); - // If autofocus fails, the camera should have called the callback with success=false, - // but some throw an exception here - mFocusOverlayManager.onAutoFocus(false /*success*/, false /*shutterDown*/); - } - } - - @Override // From FocusOverlayManager.Listener - public void cancelAutoFocus() { - if (mCamera == null) { - return; - } - try { - mCamera.cancelAutoFocus(); - } catch (final RuntimeException e) { - // Ignore - LogUtil.e(TAG, "RuntimeException in CameraManager.cancelAutoFocus", e); - } - } - - @Override // From FocusOverlayManager.Listener - public boolean capture() { - return false; - } - - @Override // From FocusOverlayManager.Listener - public void setFocusParameters() { - if (mCamera == null) { - return; - } - try { - final Camera.Parameters parameters = mCamera.getParameters(); - parameters.setFocusMode(mFocusOverlayManager.getFocusMode()); - if (parameters.getMaxNumFocusAreas() > 0) { - // Don't set focus areas (even to null) if focus areas aren't supported, camera may - // crash - parameters.setFocusAreas(mFocusOverlayManager.getFocusAreas()); - } - parameters.setMeteringAreas(mFocusOverlayManager.getMeteringAreas()); - mCamera.setParameters(parameters); - } catch (final RuntimeException e) { - // This occurs when the device is out of space or when the camera is locked - LogUtil.e(TAG, "RuntimeException in CameraManager setFocusParameters"); - } - } - - private void logCameraSize(final String prefix, final Camera.Size size) { - // Log the camera size and aspect ratio for help when examining bug reports for camera - // failures - LogUtil.i(TAG, prefix + size.width + "x" + size.height + - " (" + (size.width / (float) size.height) + ")"); - } - - - private Integer mSavedOrientation = null; - - private void lockOrientation() { - // when we start recording, lock our orientation - final Activity a = UiUtils.getActivity(mCameraPreview.getContext()); - final WindowManager windowManager = - (WindowManager) a.getSystemService(Context.WINDOW_SERVICE); - final int rotation = windowManager.getDefaultDisplay().getRotation(); - - mSavedOrientation = a.getRequestedOrientation(); - switch (rotation) { - case Surface.ROTATION_0: - a.setRequestedOrientation( - ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); - break; - case Surface.ROTATION_90: - a.setRequestedOrientation( - ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); - break; - case Surface.ROTATION_180: - a.setRequestedOrientation( - ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT); - break; - case Surface.ROTATION_270: - a.setRequestedOrientation( - ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE); - break; - } - - } - - private void restoreRequestedOrientation() { - if (mSavedOrientation != null) { - final Activity a = UiUtils.getActivity(mCameraPreview.getContext()); - if (a != null) { - a.setRequestedOrientation(mSavedOrientation); - } - mSavedOrientation = null; - } - } - - static boolean hasCameraPermission() { - return OsUtil.hasPermission(Manifest.permission.CAMERA); - } -} |