| /* |
| * Copyright (C) 2014 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 android.hardware.camera2.legacy; |
| |
| import android.graphics.SurfaceTexture; |
| import android.hardware.Camera; |
| import android.hardware.camera2.CameraCharacteristics; |
| import android.hardware.camera2.CaptureRequest; |
| import android.hardware.camera2.impl.CameraDeviceImpl; |
| import android.hardware.camera2.utils.SubmitInfo; |
| import android.hardware.camera2.utils.SizeAreaComparator; |
| import android.hardware.camera2.impl.CameraMetadataNative; |
| import android.os.ConditionVariable; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.SystemClock; |
| import android.util.Log; |
| import android.util.MutableLong; |
| import android.util.Pair; |
| import android.util.Size; |
| import android.view.Surface; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import static com.android.internal.util.Preconditions.*; |
| |
| /** |
| * This class executes requests to the {@link Camera}. |
| * |
| * <p> |
| * The main components of this class are: |
| * - A message queue of requests to the {@link Camera}. |
| * - A thread that consumes requests to the {@link Camera} and executes them. |
| * - A {@link GLThreadManager} that draws to the configured output {@link Surface}s. |
| * - An {@link CameraDeviceState} state machine that manages the callbacks for various operations. |
| * </p> |
| */ |
| @SuppressWarnings("deprecation") |
| public class RequestThreadManager { |
| private final String TAG; |
| private final int mCameraId; |
| private final RequestHandlerThread mRequestThread; |
| |
| private static final boolean DEBUG = false; |
| // For slightly more spammy messages that will get repeated every frame |
| private static final boolean VERBOSE = false; |
| private Camera mCamera; |
| private final CameraCharacteristics mCharacteristics; |
| |
| private final CameraDeviceState mDeviceState; |
| private final CaptureCollector mCaptureCollector; |
| private final LegacyFocusStateMapper mFocusStateMapper; |
| private final LegacyFaceDetectMapper mFaceDetectMapper; |
| |
| private static final int MSG_CONFIGURE_OUTPUTS = 1; |
| private static final int MSG_SUBMIT_CAPTURE_REQUEST = 2; |
| private static final int MSG_CLEANUP = 3; |
| |
| private static final int MAX_IN_FLIGHT_REQUESTS = 2; |
| |
| private static final int PREVIEW_FRAME_TIMEOUT = 1000; // ms |
| private static final int JPEG_FRAME_TIMEOUT = 4000; // ms (same as CTS for API2) |
| private static final int REQUEST_COMPLETE_TIMEOUT = JPEG_FRAME_TIMEOUT; |
| |
| private static final float ASPECT_RATIO_TOLERANCE = 0.01f; |
| private boolean mPreviewRunning = false; |
| |
| private final List<Surface> mPreviewOutputs = new ArrayList<>(); |
| private final List<Surface> mCallbackOutputs = new ArrayList<>(); |
| private GLThreadManager mGLThreadManager; |
| private SurfaceTexture mPreviewTexture; |
| private Camera.Parameters mParams; |
| |
| private final List<Long> mJpegSurfaceIds = new ArrayList<>(); |
| |
| private Size mIntermediateBufferSize; |
| |
| private final RequestQueue mRequestQueue = new RequestQueue(mJpegSurfaceIds); |
| private LegacyRequest mLastRequest = null; |
| private SurfaceTexture mDummyTexture; |
| private Surface mDummySurface; |
| |
| private final Object mIdleLock = new Object(); |
| private final FpsCounter mPrevCounter = new FpsCounter("Incoming Preview"); |
| private final FpsCounter mRequestCounter = new FpsCounter("Incoming Requests"); |
| |
| private final AtomicBoolean mQuit = new AtomicBoolean(false); |
| |
| // Stuff JPEGs into HAL_PIXEL_FORMAT_RGBA_8888 gralloc buffers to get around SW write |
| // limitations for (b/17379185). |
| private static final boolean USE_BLOB_FORMAT_OVERRIDE = true; |
| |
| /** |
| * Container object for Configure messages. |
| */ |
| private static class ConfigureHolder { |
| public final ConditionVariable condition; |
| public final Collection<Pair<Surface, Size>> surfaces; |
| |
| public ConfigureHolder(ConditionVariable condition, Collection<Pair<Surface, |
| Size>> surfaces) { |
| this.condition = condition; |
| this.surfaces = surfaces; |
| } |
| } |
| |
| /** |
| * Counter class used to calculate and log the current FPS of frame production. |
| */ |
| public static class FpsCounter { |
| //TODO: Hook this up to SystTrace? |
| private static final String TAG = "FpsCounter"; |
| private int mFrameCount = 0; |
| private long mLastTime = 0; |
| private long mLastPrintTime = 0; |
| private double mLastFps = 0; |
| private final String mStreamType; |
| private static final long NANO_PER_SECOND = 1000000000; //ns |
| |
| public FpsCounter(String streamType) { |
| mStreamType = streamType; |
| } |
| |
| public synchronized void countFrame() { |
| mFrameCount++; |
| long nextTime = SystemClock.elapsedRealtimeNanos(); |
| if (mLastTime == 0) { |
| mLastTime = nextTime; |
| } |
| if (nextTime > mLastTime + NANO_PER_SECOND) { |
| long elapsed = nextTime - mLastTime; |
| mLastFps = mFrameCount * (NANO_PER_SECOND / (double) elapsed); |
| mFrameCount = 0; |
| mLastTime = nextTime; |
| } |
| } |
| |
| public synchronized double checkFps() { |
| return mLastFps; |
| } |
| |
| public synchronized void staggeredLog() { |
| if (mLastTime > mLastPrintTime + 5 * NANO_PER_SECOND) { |
| mLastPrintTime = mLastTime; |
| Log.d(TAG, "FPS for " + mStreamType + " stream: " + mLastFps ); |
| } |
| } |
| |
| public synchronized void countAndLog() { |
| countFrame(); |
| staggeredLog(); |
| } |
| } |
| /** |
| * Fake preview for jpeg captures when there is no active preview |
| */ |
| private void createDummySurface() { |
| if (mDummyTexture == null || mDummySurface == null) { |
| mDummyTexture = new SurfaceTexture(/*ignored*/0); |
| // TODO: use smallest default sizes |
| mDummyTexture.setDefaultBufferSize(640, 480); |
| mDummySurface = new Surface(mDummyTexture); |
| } |
| } |
| |
| private final Camera.ErrorCallback mErrorCallback = new Camera.ErrorCallback() { |
| @Override |
| public void onError(int i, Camera camera) { |
| switch(i) { |
| case Camera.CAMERA_ERROR_EVICTED: { |
| flush(); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DISCONNECTED); |
| } break; |
| case Camera.CAMERA_ERROR_DISABLED: { |
| flush(); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DISABLED); |
| } break; |
| default: { |
| Log.e(TAG, "Received error " + i + " from the Camera1 ErrorCallback"); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| } break; |
| } |
| } |
| }; |
| |
| private final ConditionVariable mReceivedJpeg = new ConditionVariable(false); |
| |
| private final Camera.PictureCallback mJpegCallback = new Camera.PictureCallback() { |
| @Override |
| public void onPictureTaken(byte[] data, Camera camera) { |
| Log.i(TAG, "Received jpeg."); |
| Pair<RequestHolder, Long> captureInfo = mCaptureCollector.jpegProduced(); |
| if (captureInfo == null || captureInfo.first == null) { |
| Log.e(TAG, "Dropping jpeg frame."); |
| return; |
| } |
| RequestHolder holder = captureInfo.first; |
| long timestamp = captureInfo.second; |
| for (Surface s : holder.getHolderTargets()) { |
| try { |
| if (LegacyCameraDevice.containsSurfaceId(s, mJpegSurfaceIds)) { |
| Log.i(TAG, "Producing jpeg buffer..."); |
| |
| int totalSize = data.length + LegacyCameraDevice.nativeGetJpegFooterSize(); |
| totalSize = (totalSize + 3) & ~0x3; // round up to nearest octonibble |
| LegacyCameraDevice.setNextTimestamp(s, timestamp); |
| |
| if (USE_BLOB_FORMAT_OVERRIDE) { |
| // Override to RGBA_8888 format. |
| LegacyCameraDevice.setSurfaceFormat(s, |
| LegacyMetadataMapper.HAL_PIXEL_FORMAT_RGBA_8888); |
| |
| int dimen = (int) Math.ceil(Math.sqrt(totalSize)); |
| dimen = (dimen + 0xf) & ~0xf; // round up to nearest multiple of 16 |
| LegacyCameraDevice.setSurfaceDimens(s, dimen, dimen); |
| LegacyCameraDevice.produceFrame(s, data, dimen, dimen, |
| CameraMetadataNative.NATIVE_JPEG_FORMAT); |
| } else { |
| LegacyCameraDevice.setSurfaceDimens(s, totalSize, /*height*/1); |
| LegacyCameraDevice.produceFrame(s, data, totalSize, /*height*/1, |
| CameraMetadataNative.NATIVE_JPEG_FORMAT); |
| } |
| } |
| } catch (LegacyExceptionUtils.BufferQueueAbandonedException e) { |
| Log.w(TAG, "Surface abandoned, dropping frame. ", e); |
| } |
| } |
| |
| mReceivedJpeg.open(); |
| } |
| }; |
| |
| private final Camera.ShutterCallback mJpegShutterCallback = new Camera.ShutterCallback() { |
| @Override |
| public void onShutter() { |
| mCaptureCollector.jpegCaptured(SystemClock.elapsedRealtimeNanos()); |
| } |
| }; |
| |
| private final SurfaceTexture.OnFrameAvailableListener mPreviewCallback = |
| new SurfaceTexture.OnFrameAvailableListener() { |
| @Override |
| public void onFrameAvailable(SurfaceTexture surfaceTexture) { |
| if (DEBUG) { |
| mPrevCounter.countAndLog(); |
| } |
| mGLThreadManager.queueNewFrame(); |
| } |
| }; |
| |
| private void stopPreview() { |
| if (VERBOSE) { |
| Log.v(TAG, "stopPreview - preview running? " + mPreviewRunning); |
| } |
| if (mPreviewRunning) { |
| mCamera.stopPreview(); |
| mPreviewRunning = false; |
| } |
| } |
| |
| private void startPreview() { |
| if (VERBOSE) { |
| Log.v(TAG, "startPreview - preview running? " + mPreviewRunning); |
| } |
| if (!mPreviewRunning) { |
| // XX: CameraClient:;startPreview is not getting called after a stop |
| mCamera.startPreview(); |
| mPreviewRunning = true; |
| } |
| } |
| |
| private void doJpegCapturePrepare(RequestHolder request) throws IOException { |
| if (DEBUG) Log.d(TAG, "doJpegCapturePrepare - preview running? " + mPreviewRunning); |
| |
| if (!mPreviewRunning) { |
| if (DEBUG) Log.d(TAG, "doJpegCapture - create fake surface"); |
| |
| createDummySurface(); |
| mCamera.setPreviewTexture(mDummyTexture); |
| startPreview(); |
| } |
| } |
| |
| private void doJpegCapture(RequestHolder request) { |
| if (DEBUG) Log.d(TAG, "doJpegCapturePrepare"); |
| |
| mCamera.takePicture(mJpegShutterCallback, /*raw*/null, mJpegCallback); |
| mPreviewRunning = false; |
| } |
| |
| private void doPreviewCapture(RequestHolder request) throws IOException { |
| if (VERBOSE) { |
| Log.v(TAG, "doPreviewCapture - preview running? " + mPreviewRunning); |
| } |
| |
| if (mPreviewRunning) { |
| return; // Already running |
| } |
| |
| if (mPreviewTexture == null) { |
| throw new IllegalStateException( |
| "Preview capture called with no preview surfaces configured."); |
| } |
| |
| mPreviewTexture.setDefaultBufferSize(mIntermediateBufferSize.getWidth(), |
| mIntermediateBufferSize.getHeight()); |
| mCamera.setPreviewTexture(mPreviewTexture); |
| |
| startPreview(); |
| } |
| |
| private void disconnectCallbackSurfaces() { |
| for (Surface s : mCallbackOutputs) { |
| try { |
| LegacyCameraDevice.disconnectSurface(s); |
| } catch (LegacyExceptionUtils.BufferQueueAbandonedException e) { |
| Log.d(TAG, "Surface abandoned, skipping...", e); |
| } |
| } |
| } |
| |
| private void configureOutputs(Collection<Pair<Surface, Size>> outputs) { |
| if (DEBUG) { |
| String outputsStr = outputs == null ? "null" : (outputs.size() + " surfaces"); |
| Log.d(TAG, "configureOutputs with " + outputsStr); |
| } |
| |
| try { |
| stopPreview(); |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Received device exception in configure call: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| return; |
| } |
| |
| /* |
| * Try to release the previous preview's surface texture earlier if we end up |
| * using a different one; this also reduces the likelihood of getting into a deadlock |
| * when disconnecting from the old previous texture at a later time. |
| */ |
| try { |
| mCamera.setPreviewTexture(/*surfaceTexture*/null); |
| } catch (IOException e) { |
| Log.w(TAG, "Failed to clear prior SurfaceTexture, may cause GL deadlock: ", e); |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Received device exception in configure call: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| return; |
| } |
| |
| if (mGLThreadManager != null) { |
| mGLThreadManager.waitUntilStarted(); |
| mGLThreadManager.ignoreNewFrames(); |
| mGLThreadManager.waitUntilIdle(); |
| } |
| resetJpegSurfaceFormats(mCallbackOutputs); |
| disconnectCallbackSurfaces(); |
| |
| mPreviewOutputs.clear(); |
| mCallbackOutputs.clear(); |
| mJpegSurfaceIds.clear(); |
| mPreviewTexture = null; |
| |
| List<Size> previewOutputSizes = new ArrayList<>(); |
| List<Size> callbackOutputSizes = new ArrayList<>(); |
| |
| int facing = mCharacteristics.get(CameraCharacteristics.LENS_FACING); |
| int orientation = mCharacteristics.get(CameraCharacteristics.SENSOR_ORIENTATION); |
| if (outputs != null) { |
| for (Pair<Surface, Size> outPair : outputs) { |
| Surface s = outPair.first; |
| Size outSize = outPair.second; |
| try { |
| int format = LegacyCameraDevice.detectSurfaceType(s); |
| LegacyCameraDevice.setSurfaceOrientation(s, facing, orientation); |
| switch (format) { |
| case CameraMetadataNative.NATIVE_JPEG_FORMAT: |
| if (USE_BLOB_FORMAT_OVERRIDE) { |
| // Override to RGBA_8888 format. |
| LegacyCameraDevice.setSurfaceFormat(s, |
| LegacyMetadataMapper.HAL_PIXEL_FORMAT_RGBA_8888); |
| } |
| mJpegSurfaceIds.add(LegacyCameraDevice.getSurfaceId(s)); |
| mCallbackOutputs.add(s); |
| callbackOutputSizes.add(outSize); |
| |
| // LegacyCameraDevice is the producer of JPEG output surfaces |
| // so LegacyCameraDevice needs to connect to the surfaces. |
| LegacyCameraDevice.connectSurface(s); |
| break; |
| default: |
| LegacyCameraDevice.setScalingMode(s, LegacyCameraDevice. |
| NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); |
| mPreviewOutputs.add(s); |
| previewOutputSizes.add(outSize); |
| break; |
| } |
| } catch (LegacyExceptionUtils.BufferQueueAbandonedException e) { |
| Log.w(TAG, "Surface abandoned, skipping...", e); |
| } |
| } |
| } |
| try { |
| mParams = mCamera.getParameters(); |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Received device exception: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| return; |
| } |
| |
| List<int[]> supportedFpsRanges = mParams.getSupportedPreviewFpsRange(); |
| int[] bestRange = getPhotoPreviewFpsRange(supportedFpsRanges); |
| if (DEBUG) { |
| Log.d(TAG, "doPreviewCapture - Selected range [" + |
| bestRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX] + "," + |
| bestRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX] + "]"); |
| } |
| mParams.setPreviewFpsRange(bestRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX], |
| bestRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]); |
| |
| Size smallestSupportedJpegSize = calculatePictureSize(mCallbackOutputs, |
| callbackOutputSizes, mParams); |
| |
| if (previewOutputSizes.size() > 0) { |
| |
| Size largestOutput = SizeAreaComparator.findLargestByArea(previewOutputSizes); |
| |
| // Find largest jpeg dimension - assume to have the same aspect ratio as sensor. |
| Size largestJpegDimen = ParameterUtils.getLargestSupportedJpegSizeByArea(mParams); |
| |
| Size chosenJpegDimen = (smallestSupportedJpegSize != null) ? smallestSupportedJpegSize |
| : largestJpegDimen; |
| |
| List<Size> supportedPreviewSizes = ParameterUtils.convertSizeList( |
| mParams.getSupportedPreviewSizes()); |
| |
| // Use smallest preview dimension with same aspect ratio as sensor that is >= than all |
| // of the configured output dimensions. If none exists, fall back to using the largest |
| // supported preview size. |
| long largestOutputArea = largestOutput.getHeight() * (long) largestOutput.getWidth(); |
| Size bestPreviewDimen = SizeAreaComparator.findLargestByArea(supportedPreviewSizes); |
| for (Size s : supportedPreviewSizes) { |
| long currArea = s.getWidth() * s.getHeight(); |
| long bestArea = bestPreviewDimen.getWidth() * bestPreviewDimen.getHeight(); |
| if (checkAspectRatiosMatch(chosenJpegDimen, s) && (currArea < bestArea && |
| currArea >= largestOutputArea)) { |
| bestPreviewDimen = s; |
| } |
| } |
| |
| mIntermediateBufferSize = bestPreviewDimen; |
| mParams.setPreviewSize(mIntermediateBufferSize.getWidth(), |
| mIntermediateBufferSize.getHeight()); |
| |
| if (DEBUG) { |
| Log.d(TAG, "Intermediate buffer selected with dimens: " + |
| bestPreviewDimen.toString()); |
| } |
| } else { |
| mIntermediateBufferSize = null; |
| if (DEBUG) { |
| Log.d(TAG, "No Intermediate buffer selected, no preview outputs were configured"); |
| } |
| } |
| |
| if (smallestSupportedJpegSize != null) { |
| /* |
| * Set takePicture size to the smallest supported JPEG size large enough |
| * to scale/crop out of for the bounding rectangle of the configured JPEG sizes. |
| */ |
| |
| Log.i(TAG, "configureOutputs - set take picture size to " + smallestSupportedJpegSize); |
| mParams.setPictureSize( |
| smallestSupportedJpegSize.getWidth(), smallestSupportedJpegSize.getHeight()); |
| } |
| |
| // TODO: Detect and optimize single-output paths here to skip stream teeing. |
| if (mGLThreadManager == null) { |
| mGLThreadManager = new GLThreadManager(mCameraId, facing, mDeviceState); |
| mGLThreadManager.start(); |
| } |
| mGLThreadManager.waitUntilStarted(); |
| List<Pair<Surface, Size>> previews = new ArrayList<>(); |
| Iterator<Size> previewSizeIter = previewOutputSizes.iterator(); |
| for (Surface p : mPreviewOutputs) { |
| previews.add(new Pair<>(p, previewSizeIter.next())); |
| } |
| mGLThreadManager.setConfigurationAndWait(previews, mCaptureCollector); |
| |
| for (Surface p : mPreviewOutputs) { |
| try { |
| LegacyCameraDevice.setSurfaceOrientation(p, facing, orientation); |
| } catch (LegacyExceptionUtils.BufferQueueAbandonedException e) { |
| Log.e(TAG, "Surface abandoned, skipping setSurfaceOrientation()", e); |
| } |
| } |
| |
| mGLThreadManager.allowNewFrames(); |
| mPreviewTexture = mGLThreadManager.getCurrentSurfaceTexture(); |
| if (mPreviewTexture != null) { |
| mPreviewTexture.setOnFrameAvailableListener(mPreviewCallback); |
| } |
| |
| try { |
| mCamera.setParameters(mParams); |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Received device exception while configuring: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| |
| } |
| } |
| |
| private void resetJpegSurfaceFormats(Collection<Surface> surfaces) { |
| if (!USE_BLOB_FORMAT_OVERRIDE || surfaces == null) { |
| return; |
| } |
| for(Surface s : surfaces) { |
| if (s == null || !s.isValid()) { |
| Log.w(TAG, "Jpeg surface is invalid, skipping..."); |
| continue; |
| } |
| try { |
| LegacyCameraDevice.setSurfaceFormat(s, LegacyMetadataMapper.HAL_PIXEL_FORMAT_BLOB); |
| } catch (LegacyExceptionUtils.BufferQueueAbandonedException e) { |
| Log.w(TAG, "Surface abandoned, skipping...", e); |
| } |
| } |
| } |
| |
| /** |
| * Find a JPEG size (that is supported by the legacy camera device) which is equal to or larger |
| * than all of the configured {@code JPEG} outputs (by both width and height). |
| * |
| * <p>If multiple supported JPEG sizes are larger, select the smallest of them which |
| * still satisfies the above constraint.</p> |
| * |
| * <p>As a result, the returned size is guaranteed to be usable without needing |
| * to upscale any of the outputs. If only one {@code JPEG} surface is used, |
| * then no scaling/cropping is necessary between the taken picture and |
| * the {@code JPEG} output surface.</p> |
| * |
| * @param callbackOutputs a non-{@code null} list of {@code Surface}s with any image formats |
| * @param params api1 parameters (used for reading only) |
| * |
| * @return a size large enough to fit all of the configured {@code JPEG} outputs, or |
| * {@code null} if the {@code callbackOutputs} did not have any {@code JPEG} |
| * surfaces. |
| */ |
| private Size calculatePictureSize( List<Surface> callbackOutputs, |
| List<Size> callbackSizes, Camera.Parameters params) { |
| /* |
| * Find the largest JPEG size (if any), from the configured outputs: |
| * - the api1 picture size should be set to the smallest legal size that's at least as large |
| * as the largest configured JPEG size |
| */ |
| if (callbackOutputs.size() != callbackSizes.size()) { |
| throw new IllegalStateException("Input collections must be same length"); |
| } |
| List<Size> configuredJpegSizes = new ArrayList<>(); |
| Iterator<Size> sizeIterator = callbackSizes.iterator(); |
| for (Surface callbackSurface : callbackOutputs) { |
| Size jpegSize = sizeIterator.next(); |
| if (!LegacyCameraDevice.containsSurfaceId(callbackSurface, mJpegSurfaceIds)) { |
| continue; // Ignore non-JPEG callback formats |
| } |
| |
| configuredJpegSizes.add(jpegSize); |
| } |
| if (!configuredJpegSizes.isEmpty()) { |
| /* |
| * Find the largest configured JPEG width, and height, independently |
| * of the rest. |
| * |
| * The rest of the JPEG streams can be cropped out of this smallest bounding |
| * rectangle. |
| */ |
| int maxConfiguredJpegWidth = -1; |
| int maxConfiguredJpegHeight = -1; |
| for (Size jpegSize : configuredJpegSizes) { |
| maxConfiguredJpegWidth = jpegSize.getWidth() > maxConfiguredJpegWidth ? |
| jpegSize.getWidth() : maxConfiguredJpegWidth; |
| maxConfiguredJpegHeight = jpegSize.getHeight() > maxConfiguredJpegHeight ? |
| jpegSize.getHeight() : maxConfiguredJpegHeight; |
| } |
| Size smallestBoundJpegSize = new Size(maxConfiguredJpegWidth, maxConfiguredJpegHeight); |
| |
| List<Size> supportedJpegSizes = ParameterUtils.convertSizeList( |
| params.getSupportedPictureSizes()); |
| |
| /* |
| * Find the smallest supported JPEG size that can fit the smallest bounding |
| * rectangle for the configured JPEG sizes. |
| */ |
| List<Size> candidateSupportedJpegSizes = new ArrayList<>(); |
| for (Size supportedJpegSize : supportedJpegSizes) { |
| if (supportedJpegSize.getWidth() >= maxConfiguredJpegWidth && |
| supportedJpegSize.getHeight() >= maxConfiguredJpegHeight) { |
| candidateSupportedJpegSizes.add(supportedJpegSize); |
| } |
| } |
| |
| if (candidateSupportedJpegSizes.isEmpty()) { |
| throw new AssertionError( |
| "Could not find any supported JPEG sizes large enough to fit " + |
| smallestBoundJpegSize); |
| } |
| |
| Size smallestSupportedJpegSize = Collections.min(candidateSupportedJpegSizes, |
| new SizeAreaComparator()); |
| |
| if (!smallestSupportedJpegSize.equals(smallestBoundJpegSize)) { |
| Log.w(TAG, |
| String.format( |
| "configureOutputs - Will need to crop picture %s into " |
| + "smallest bound size %s", |
| smallestSupportedJpegSize, smallestBoundJpegSize)); |
| } |
| |
| return smallestSupportedJpegSize; |
| } |
| |
| return null; |
| } |
| |
| private static boolean checkAspectRatiosMatch(Size a, Size b) { |
| float aAspect = a.getWidth() / (float) a.getHeight(); |
| float bAspect = b.getWidth() / (float) b.getHeight(); |
| |
| return Math.abs(aAspect - bAspect) < ASPECT_RATIO_TOLERANCE; |
| } |
| |
| // Calculate the highest FPS range supported |
| private int[] getPhotoPreviewFpsRange(List<int[]> frameRates) { |
| if (frameRates.size() == 0) { |
| Log.e(TAG, "No supported frame rates returned!"); |
| return null; |
| } |
| |
| int bestMin = 0; |
| int bestMax = 0; |
| int bestIndex = 0; |
| int index = 0; |
| for (int[] rate : frameRates) { |
| int minFps = rate[Camera.Parameters.PREVIEW_FPS_MIN_INDEX]; |
| int maxFps = rate[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]; |
| if (maxFps > bestMax || (maxFps == bestMax && minFps > bestMin)) { |
| bestMin = minFps; |
| bestMax = maxFps; |
| bestIndex = index; |
| } |
| index++; |
| } |
| |
| return frameRates.get(bestIndex); |
| } |
| |
| private final Handler.Callback mRequestHandlerCb = new Handler.Callback() { |
| private boolean mCleanup = false; |
| private final LegacyResultMapper mMapper = new LegacyResultMapper(); |
| |
| @Override |
| public boolean handleMessage(Message msg) { |
| if (mCleanup) { |
| return true; |
| } |
| |
| if (DEBUG) { |
| Log.d(TAG, "Request thread handling message:" + msg.what); |
| } |
| long startTime = 0; |
| if (DEBUG) { |
| startTime = SystemClock.elapsedRealtimeNanos(); |
| } |
| switch (msg.what) { |
| case MSG_CONFIGURE_OUTPUTS: |
| ConfigureHolder config = (ConfigureHolder) msg.obj; |
| int sizes = config.surfaces != null ? config.surfaces.size() : 0; |
| Log.i(TAG, "Configure outputs: " + sizes + " surfaces configured."); |
| |
| try { |
| boolean success = mCaptureCollector.waitForEmpty(JPEG_FRAME_TIMEOUT, |
| TimeUnit.MILLISECONDS); |
| if (!success) { |
| Log.e(TAG, "Timed out while queueing configure request."); |
| mCaptureCollector.failAll(); |
| } |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Interrupted while waiting for requests to complete."); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| break; |
| } |
| |
| configureOutputs(config.surfaces); |
| config.condition.open(); |
| if (DEBUG) { |
| long totalTime = SystemClock.elapsedRealtimeNanos() - startTime; |
| Log.d(TAG, "Configure took " + totalTime + " ns"); |
| } |
| break; |
| case MSG_SUBMIT_CAPTURE_REQUEST: |
| Handler handler = RequestThreadManager.this.mRequestThread.getHandler(); |
| boolean anyRequestOutputAbandoned = false; |
| |
| // Get the next burst from the request queue. |
| RequestQueue.RequestQueueEntry nextBurst = mRequestQueue.getNext(); |
| |
| if (nextBurst == null) { |
| // If there are no further requests queued, wait for any currently executing |
| // requests to complete, then switch to idle state. |
| try { |
| boolean success = mCaptureCollector.waitForEmpty(JPEG_FRAME_TIMEOUT, |
| TimeUnit.MILLISECONDS); |
| if (!success) { |
| Log.e(TAG, |
| "Timed out while waiting for prior requests to complete."); |
| mCaptureCollector.failAll(); |
| } |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Interrupted while waiting for requests to complete: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| break; |
| } |
| |
| synchronized (mIdleLock) { |
| // Retry the the request queue. |
| nextBurst = mRequestQueue.getNext(); |
| |
| // If we still have no queued requests, go idle. |
| if (nextBurst == null) { |
| mDeviceState.setIdle(); |
| break; |
| } |
| } |
| } |
| |
| if (nextBurst != null) { |
| // Queue another capture if we did not get the last burst. |
| handler.sendEmptyMessage(MSG_SUBMIT_CAPTURE_REQUEST); |
| |
| // Check whether capture queue becomes empty |
| if (nextBurst.isQueueEmpty()) { |
| mDeviceState.setRequestQueueEmpty(); |
| } |
| } |
| |
| // Complete each request in the burst |
| BurstHolder burstHolder = nextBurst.getBurstHolder(); |
| List<RequestHolder> requests = |
| burstHolder.produceRequestHolders(nextBurst.getFrameNumber()); |
| for (RequestHolder holder : requests) { |
| CaptureRequest request = holder.getRequest(); |
| |
| boolean paramsChanged = false; |
| |
| // Only update parameters if the request has changed |
| if (mLastRequest == null || mLastRequest.captureRequest != request) { |
| |
| // The intermediate buffer is sometimes null, but we always need |
| // the Camera1 API configured preview size |
| Size previewSize = ParameterUtils.convertSize(mParams.getPreviewSize()); |
| |
| LegacyRequest legacyRequest = new LegacyRequest(mCharacteristics, |
| request, previewSize, mParams); // params are copied |
| |
| |
| // Parameters are mutated as a side-effect |
| LegacyMetadataMapper.convertRequestMetadata(/*inout*/legacyRequest); |
| |
| // If the parameters have changed, set them in the Camera1 API. |
| if (!mParams.same(legacyRequest.parameters)) { |
| try { |
| mCamera.setParameters(legacyRequest.parameters); |
| } catch (RuntimeException e) { |
| // If setting the parameters failed, report a request error to |
| // the camera client, and skip any further work for this request |
| Log.e(TAG, "Exception while setting camera parameters: ", e); |
| holder.failRequest(); |
| mDeviceState.setCaptureStart(holder, /*timestamp*/0, |
| CameraDeviceImpl.CameraDeviceCallbacks. |
| ERROR_CAMERA_REQUEST); |
| continue; |
| } |
| paramsChanged = true; |
| mParams = legacyRequest.parameters; |
| } |
| |
| mLastRequest = legacyRequest; |
| } |
| |
| try { |
| boolean success = mCaptureCollector.queueRequest(holder, |
| mLastRequest, JPEG_FRAME_TIMEOUT, TimeUnit.MILLISECONDS); |
| |
| if (!success) { |
| // Report a request error if we timed out while queuing this. |
| Log.e(TAG, "Timed out while queueing capture request."); |
| holder.failRequest(); |
| mDeviceState.setCaptureStart(holder, /*timestamp*/0, |
| CameraDeviceImpl.CameraDeviceCallbacks. |
| ERROR_CAMERA_REQUEST); |
| continue; |
| } |
| |
| // Starting the preview needs to happen before enabling |
| // face detection or auto focus |
| if (holder.hasPreviewTargets()) { |
| doPreviewCapture(holder); |
| } |
| if (holder.hasJpegTargets()) { |
| while(!mCaptureCollector.waitForPreviewsEmpty(PREVIEW_FRAME_TIMEOUT, |
| TimeUnit.MILLISECONDS)) { |
| // Fail preview requests until the queue is empty. |
| Log.e(TAG, "Timed out while waiting for preview requests to " + |
| "complete."); |
| mCaptureCollector.failNextPreview(); |
| } |
| mReceivedJpeg.close(); |
| doJpegCapturePrepare(holder); |
| } |
| |
| /* |
| * Do all the actions that require a preview to have been started |
| */ |
| |
| // Toggle face detection on/off |
| // - do this before AF to give AF a chance to use faces |
| mFaceDetectMapper.processFaceDetectMode(request, /*in*/mParams); |
| |
| // Unconditionally process AF triggers, since they're non-idempotent |
| // - must be done after setting the most-up-to-date AF mode |
| mFocusStateMapper.processRequestTriggers(request, mParams); |
| |
| if (holder.hasJpegTargets()) { |
| doJpegCapture(holder); |
| if (!mReceivedJpeg.block(JPEG_FRAME_TIMEOUT)) { |
| Log.e(TAG, "Hit timeout for jpeg callback!"); |
| mCaptureCollector.failNextJpeg(); |
| } |
| } |
| |
| } catch (IOException e) { |
| Log.e(TAG, "Received device exception during capture call: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| break; |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Interrupted during capture: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| break; |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Received device exception during capture call: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| break; |
| } |
| |
| if (paramsChanged) { |
| if (DEBUG) { |
| Log.d(TAG, "Params changed -- getting new Parameters from HAL."); |
| } |
| try { |
| mParams = mCamera.getParameters(); |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Received device exception: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| break; |
| } |
| |
| // Update parameters to the latest that we think the camera is using |
| mLastRequest.setParameters(mParams); |
| } |
| |
| MutableLong timestampMutable = new MutableLong(/*value*/0L); |
| try { |
| boolean success = mCaptureCollector.waitForRequestCompleted(holder, |
| REQUEST_COMPLETE_TIMEOUT, TimeUnit.MILLISECONDS, |
| /*out*/timestampMutable); |
| |
| if (!success) { |
| Log.e(TAG, "Timed out while waiting for request to complete."); |
| mCaptureCollector.failAll(); |
| } |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Interrupted waiting for request completion: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| break; |
| } |
| |
| CameraMetadataNative result = mMapper.cachedConvertResultMetadata( |
| mLastRequest, timestampMutable.value); |
| /* |
| * Order matters: The default result mapper is state-less; the |
| * other mappers carry state and may override keys set by the default |
| * mapper with their own values. |
| */ |
| |
| // Update AF state |
| mFocusStateMapper.mapResultTriggers(result); |
| // Update face-related results |
| mFaceDetectMapper.mapResultFaces(result, mLastRequest); |
| |
| if (!holder.requestFailed()) { |
| mDeviceState.setCaptureResult(holder, result); |
| } |
| |
| if (holder.isOutputAbandoned()) { |
| anyRequestOutputAbandoned = true; |
| } |
| } |
| |
| // Stop the repeating request if any of its output surfaces is abandoned. |
| if (anyRequestOutputAbandoned && burstHolder.isRepeating()) { |
| long lastFrameNumber = cancelRepeating(burstHolder.getRequestId()); |
| if (DEBUG) { |
| Log.d(TAG, "Stopped repeating request. Last frame number is " + |
| lastFrameNumber); |
| } |
| if (lastFrameNumber != RequestQueue.INVALID_FRAME) { |
| mDeviceState.setRepeatingRequestError(lastFrameNumber, |
| burstHolder.getRequestId()); |
| } else { |
| Log.e(TAG, "Repeating request id: " + burstHolder.getRequestId() + |
| " already canceled!"); |
| } |
| } |
| |
| if (DEBUG) { |
| long totalTime = SystemClock.elapsedRealtimeNanos() - startTime; |
| Log.d(TAG, "Capture request took " + totalTime + " ns"); |
| mRequestCounter.countAndLog(); |
| } |
| break; |
| case MSG_CLEANUP: |
| mCleanup = true; |
| try { |
| boolean success = mCaptureCollector.waitForEmpty(JPEG_FRAME_TIMEOUT, |
| TimeUnit.MILLISECONDS); |
| if (!success) { |
| Log.e(TAG, "Timed out while queueing cleanup request."); |
| mCaptureCollector.failAll(); |
| } |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Interrupted while waiting for requests to complete: ", e); |
| mDeviceState.setError( |
| CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DEVICE); |
| } |
| if (mGLThreadManager != null) { |
| mGLThreadManager.quit(); |
| mGLThreadManager = null; |
| } |
| disconnectCallbackSurfaces(); |
| if (mCamera != null) { |
| mCamera.release(); |
| mCamera = null; |
| } |
| break; |
| case RequestHandlerThread.MSG_POKE_IDLE_HANDLER: |
| // OK: Ignore message. |
| break; |
| default: |
| throw new AssertionError("Unhandled message " + msg.what + |
| " on RequestThread."); |
| } |
| return true; |
| } |
| }; |
| |
| /** |
| * Create a new RequestThreadManager. |
| * |
| * @param cameraId the id of the camera to use. |
| * @param camera an open camera object. The RequestThreadManager takes ownership of this camera |
| * object, and is responsible for closing it. |
| * @param characteristics the static camera characteristics corresponding to this camera device |
| * @param deviceState a {@link CameraDeviceState} state machine. |
| */ |
| public RequestThreadManager(int cameraId, Camera camera, CameraCharacteristics characteristics, |
| CameraDeviceState deviceState) { |
| mCamera = checkNotNull(camera, "camera must not be null"); |
| mCameraId = cameraId; |
| mCharacteristics = checkNotNull(characteristics, "characteristics must not be null"); |
| String name = String.format("RequestThread-%d", cameraId); |
| TAG = name; |
| mDeviceState = checkNotNull(deviceState, "deviceState must not be null"); |
| mFocusStateMapper = new LegacyFocusStateMapper(mCamera); |
| mFaceDetectMapper = new LegacyFaceDetectMapper(mCamera, mCharacteristics); |
| mCaptureCollector = new CaptureCollector(MAX_IN_FLIGHT_REQUESTS, mDeviceState); |
| mRequestThread = new RequestHandlerThread(name, mRequestHandlerCb); |
| mCamera.setDetailedErrorCallback(mErrorCallback); |
| } |
| |
| /** |
| * Start the request thread. |
| */ |
| public void start() { |
| mRequestThread.start(); |
| } |
| |
| /** |
| * Flush any pending requests. |
| * |
| * @return the last frame number. |
| */ |
| public long flush() { |
| Log.i(TAG, "Flushing all pending requests."); |
| long lastFrame = mRequestQueue.stopRepeating(); |
| mCaptureCollector.failAll(); |
| return lastFrame; |
| } |
| |
| /** |
| * Quit the request thread, and clean up everything. |
| */ |
| public void quit() { |
| if (!mQuit.getAndSet(true)) { // Avoid sending messages on dead thread's handler. |
| Handler handler = mRequestThread.waitAndGetHandler(); |
| handler.sendMessageAtFrontOfQueue(handler.obtainMessage(MSG_CLEANUP)); |
| mRequestThread.quitSafely(); |
| try { |
| mRequestThread.join(); |
| } catch (InterruptedException e) { |
| Log.e(TAG, String.format("Thread %s (%d) interrupted while quitting.", |
| mRequestThread.getName(), mRequestThread.getId())); |
| } |
| } |
| } |
| |
| /** |
| * Submit the given burst of requests to be captured. |
| * |
| * <p>If the burst is repeating, replace the current repeating burst.</p> |
| * |
| * @param requests the burst of requests to add to the queue. |
| * @param repeating true if the burst is repeating. |
| * @return the submission info, including the new request id, and the last frame number, which |
| * contains either the frame number of the last frame that will be returned for this request, |
| * or the frame number of the last frame that will be returned for the current repeating |
| * request if this burst is set to be repeating. |
| */ |
| public SubmitInfo submitCaptureRequests(CaptureRequest[] requests, boolean repeating) { |
| Handler handler = mRequestThread.waitAndGetHandler(); |
| SubmitInfo info; |
| synchronized (mIdleLock) { |
| info = mRequestQueue.submit(requests, repeating); |
| handler.sendEmptyMessage(MSG_SUBMIT_CAPTURE_REQUEST); |
| } |
| return info; |
| } |
| |
| /** |
| * Cancel a repeating request. |
| * |
| * @param requestId the id of the repeating request to cancel. |
| * @return the last frame to be returned from the HAL for the given repeating request, or |
| * {@code INVALID_FRAME} if none exists. |
| */ |
| public long cancelRepeating(int requestId) { |
| return mRequestQueue.stopRepeating(requestId); |
| } |
| |
| /** |
| * Configure with the current list of output Surfaces. |
| * |
| * <p> |
| * This operation blocks until the configuration is complete. |
| * </p> |
| * |
| * <p>Using a {@code null} or empty {@code outputs} list is the equivalent of unconfiguring.</p> |
| * |
| * @param outputs a {@link java.util.Collection} of outputs to configure. |
| */ |
| public void configure(Collection<Pair<Surface, Size>> outputs) { |
| Handler handler = mRequestThread.waitAndGetHandler(); |
| final ConditionVariable condition = new ConditionVariable(/*closed*/false); |
| ConfigureHolder holder = new ConfigureHolder(condition, outputs); |
| handler.sendMessage(handler.obtainMessage(MSG_CONFIGURE_OUTPUTS, 0, 0, holder)); |
| condition.block(); |
| } |
| |
| public void setAudioRestriction(int mode) { |
| if (mCamera != null) { |
| mCamera.setAudioRestriction(mode); |
| } |
| throw new IllegalStateException("Camera has been released!"); |
| } |
| |
| public int getAudioRestriction() { |
| if (mCamera != null) { |
| return mCamera.getAudioRestriction(); |
| } |
| throw new IllegalStateException("Camera has been released!"); |
| } |
| } |
