| /* |
| * Copyright 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.cts; |
| |
| import static android.hardware.camera2.cts.CameraTestUtils.*; |
| import static android.hardware.camera2.cts.RobustnessTest.MaxOutputSizes.*; |
| |
| import android.content.Context; |
| import android.graphics.ImageFormat; |
| import android.graphics.SurfaceTexture; |
| import android.hardware.camera2.CameraCaptureSession; |
| import android.hardware.camera2.CameraCharacteristics; |
| import android.hardware.camera2.CameraDevice; |
| import android.hardware.camera2.CameraManager; |
| import android.hardware.camera2.CaptureRequest; |
| import android.hardware.camera2.TotalCaptureResult; |
| import android.hardware.camera2.CaptureFailure; |
| import android.hardware.camera2.params.StreamConfigurationMap; |
| import android.hardware.camera2.cts.helpers.StaticMetadata; |
| import android.hardware.camera2.cts.testcases.Camera2AndroidTestCase; |
| import android.media.CamcorderProfile; |
| import android.media.Image; |
| import android.media.ImageReader; |
| import android.util.Log; |
| import android.util.Size; |
| import android.view.Display; |
| import android.view.Surface; |
| import android.view.WindowManager; |
| |
| import java.util.Arrays; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static junit.framework.Assert.assertTrue; |
| import static org.mockito.Mockito.*; |
| |
| /** |
| * Tests exercising edge cases in camera setup, configuration, and usage. |
| */ |
| public class RobustnessTest extends Camera2AndroidTestCase { |
| private static final String TAG = "RobustnessTest"; |
| |
| private static final int CONFIGURE_TIMEOUT = 5000; //ms |
| private static final int CAPTURE_TIMEOUT = 1000; //ms |
| |
| /** |
| * Test that a {@link CameraCaptureSession} can be configured with a {@link Surface} containing |
| * a dimension other than one of the supported output dimensions. The buffers produced into |
| * this surface are expected have the dimensions of the closest possible buffer size in the |
| * available stream configurations for a surface with this format. |
| */ |
| public void testBadSurfaceDimensions() throws Exception { |
| for (String id : mCameraIds) { |
| try { |
| Log.i(TAG, "Testing Camera " + id); |
| openDevice(id); |
| |
| // Find some size not supported by the camera |
| Size weirdSize = new Size(643, 577); |
| int count = 0; |
| while(mOrderedPreviewSizes.contains(weirdSize)) { |
| // Really, they can't all be supported... |
| weirdSize = new Size(weirdSize.getWidth() + 1, weirdSize.getHeight() + 1); |
| count++; |
| assertTrue("Too many exotic YUV_420_888 resolutions supported.", count < 100); |
| } |
| |
| // Setup imageReader with invalid dimension |
| ImageReader imageReader = ImageReader.newInstance(weirdSize.getWidth(), |
| weirdSize.getHeight(), ImageFormat.YUV_420_888, 3); |
| |
| // Setup ImageReaderListener |
| SimpleImageReaderListener imageListener = new SimpleImageReaderListener(); |
| imageReader.setOnImageAvailableListener(imageListener, mHandler); |
| |
| Surface surface = imageReader.getSurface(); |
| List<Surface> surfaces = new ArrayList<>(); |
| surfaces.add(surface); |
| |
| // Setup a capture request and listener |
| CaptureRequest.Builder request = |
| mCamera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); |
| request.addTarget(surface); |
| |
| // Check that correct session callback is hit. |
| CameraCaptureSession.StateCallback sessionListener = |
| mock(CameraCaptureSession.StateCallback.class); |
| CameraCaptureSession session = CameraTestUtils.configureCameraSession(mCamera, |
| surfaces, sessionListener, mHandler); |
| |
| verify(sessionListener, timeout(CONFIGURE_TIMEOUT).atLeastOnce()). |
| onConfigured(any(CameraCaptureSession.class)); |
| verify(sessionListener, timeout(CONFIGURE_TIMEOUT).atLeastOnce()). |
| onReady(any(CameraCaptureSession.class)); |
| verify(sessionListener, never()).onConfigureFailed(any(CameraCaptureSession.class)); |
| verify(sessionListener, never()).onActive(any(CameraCaptureSession.class)); |
| verify(sessionListener, never()).onClosed(any(CameraCaptureSession.class)); |
| |
| CameraCaptureSession.CaptureCallback captureListener = |
| mock(CameraCaptureSession.CaptureCallback.class); |
| session.capture(request.build(), captureListener, mHandler); |
| |
| verify(captureListener, timeout(CAPTURE_TIMEOUT).atLeastOnce()). |
| onCaptureCompleted(any(CameraCaptureSession.class), |
| any(CaptureRequest.class), any(TotalCaptureResult.class)); |
| verify(captureListener, never()).onCaptureFailed(any(CameraCaptureSession.class), |
| any(CaptureRequest.class), any(CaptureFailure.class)); |
| |
| Image image = imageListener.getImage(CAPTURE_TIMEOUT); |
| int imageWidth = image.getWidth(); |
| int imageHeight = image.getHeight(); |
| Size actualSize = new Size(imageWidth, imageHeight); |
| |
| assertTrue("Camera does not contain outputted image resolution " + actualSize, |
| mOrderedPreviewSizes.contains(actualSize)); |
| } finally { |
| closeDevice(id); |
| } |
| } |
| } |
| |
| /** |
| * Test for making sure the required output combinations for each hardware level and capability |
| * work as expected. |
| */ |
| public void testMandatoryOutputCombinations() throws Exception { |
| /** |
| * Tables for maximum sizes to try for each hardware level and capability. |
| * |
| * Keep in sync with the tables in |
| * frameworks/base/core/java/android/hardware/camera2/CameraDevice.java#createCaptureSession |
| * |
| * Each row of the table is a set of (format, max resolution) pairs, using the below consts |
| */ |
| |
| // Enum values are defined in MaxOutputSizes |
| final int[][] LEGACY_COMBINATIONS = { |
| {PRIV, MAXIMUM}, // Simple preview, GPU video processing, or no-preview video recording |
| {JPEG, MAXIMUM}, // No-viewfinder still image capture |
| {YUV, MAXIMUM}, // In-application video/image processing |
| {PRIV, PREVIEW, JPEG, MAXIMUM}, // Standard still imaging. |
| {YUV, PREVIEW, JPEG, MAXIMUM}, // In-app processing plus still capture. |
| {PRIV, PREVIEW, PRIV, PREVIEW}, // Standard recording. |
| {PRIV, PREVIEW, YUV, PREVIEW}, // Preview plus in-app processing. |
| {PRIV, PREVIEW, YUV, PREVIEW, JPEG, MAXIMUM} // Still capture plus in-app processing. |
| }; |
| |
| final int[][] LIMITED_COMBINATIONS = { |
| {PRIV, PREVIEW, PRIV, RECORD }, // High-resolution video recording with preview. |
| {PRIV, PREVIEW, YUV , RECORD }, // High-resolution in-app video processing with preview. |
| {YUV , PREVIEW, YUV , RECORD }, // Two-input in-app video processing. |
| {PRIV, PREVIEW, PRIV, RECORD, JPEG, RECORD }, // High-resolution recording with video snapshot. |
| {PRIV, PREVIEW, YUV, RECORD, JPEG, RECORD }, // High-resolution in-app processing with video snapshot. |
| {YUV , PREVIEW, YUV, PREVIEW, JPEG, MAXIMUM } // Two-input in-app processing with still capture. |
| }; |
| |
| final int[][] BURST_COMBINATIONS = { |
| {PRIV, PREVIEW, PRIV, MAXIMUM }, // Maximum-resolution GPU processing with preview. |
| {PRIV, PREVIEW, YUV, MAXIMUM }, // Maximum-resolution in-app processing with preview. |
| {YUV, PREVIEW, YUV, MAXIMUM }, // Maximum-resolution two-input in-app processsing. |
| }; |
| |
| final int[][] FULL_COMBINATIONS = { |
| {PRIV, PREVIEW, PRIV, PREVIEW, JPEG, MAXIMUM }, //Video recording with maximum-size video snapshot. |
| {YUV, VGA, PRIV, PREVIEW, YUV, MAXIMUM }, // Standard video recording plus maximum-resolution in-app processing. |
| {YUV, VGA, YUV, PREVIEW, YUV, MAXIMUM } // Preview plus two-input maximum-resolution in-app processing. |
| }; |
| |
| final int[][] RAW_COMBINATIONS = { |
| {RAW, MAXIMUM }, // No-preview DNG capture. |
| {PRIV, PREVIEW, RAW, MAXIMUM }, // Standard DNG capture. |
| {YUV, PREVIEW, RAW, MAXIMUM }, // In-app processing plus DNG capture. |
| {PRIV, PREVIEW, PRIV, PREVIEW, RAW, MAXIMUM}, // Video recording with DNG capture. |
| {PRIV, PREVIEW, YUV, PREVIEW, RAW, MAXIMUM}, // Preview with in-app processing and DNG capture. |
| {YUV, PREVIEW, YUV, PREVIEW, RAW, MAXIMUM}, // Two-input in-app processing plus DNG capture. |
| {PRIV, PREVIEW, JPEG, MAXIMUM, RAW, MAXIMUM}, // Still capture with simultaneous JPEG and DNG. |
| {YUV, PREVIEW, JPEG, MAXIMUM, RAW, MAXIMUM} // In-app processing with simultaneous JPEG and DNG. |
| }; |
| |
| final int[][][] TABLES = |
| { LEGACY_COMBINATIONS, LIMITED_COMBINATIONS, BURST_COMBINATIONS, FULL_COMBINATIONS, RAW_COMBINATIONS }; |
| |
| // Sanity check the tables |
| int tableIdx = 0; |
| for (int[][] table : TABLES) { |
| int rowIdx = 0; |
| for (int[] row : table) { |
| assertTrue(String.format("Odd number of entries for table %d row %d: %s ", |
| tableIdx, rowIdx, Arrays.toString(row)), |
| (row.length % 2) == 0); |
| for (int i = 0; i < row.length; i += 2) { |
| int format = row[i]; |
| int maxSize = row[i + 1]; |
| assertTrue(String.format("table %d row %d index %d format not valid: %d", |
| tableIdx, rowIdx, i, format), |
| format == PRIV || format == JPEG || format == YUV || format == RAW); |
| assertTrue(String.format("table %d row %d index %d max size not valid: %d", |
| tableIdx, rowIdx, i + 1, maxSize), |
| maxSize == PREVIEW || maxSize == RECORD || |
| maxSize == MAXIMUM || maxSize == VGA); |
| } |
| rowIdx++; |
| } |
| tableIdx++; |
| } |
| |
| for (String id : mCameraIds) { |
| |
| // Find the concrete max sizes for each format/resolution combination |
| |
| CameraCharacteristics cc = mCameraManager.getCameraCharacteristics(id); |
| |
| MaxOutputSizes maxSizes = new MaxOutputSizes(cc, id, getContext()); |
| |
| final StaticMetadata staticInfo = new StaticMetadata(cc); |
| |
| openDevice(id); |
| |
| // Always run legacy-level tests |
| |
| for (int[] config : LEGACY_COMBINATIONS) { |
| testOutputCombination(id, config, maxSizes); |
| } |
| |
| // Then run higher-level tests if applicable |
| |
| if (!staticInfo.isHardwareLevelLegacy()) { |
| |
| // If not legacy, at least limited, so run limited-level tests |
| |
| for (int[] config : LIMITED_COMBINATIONS) { |
| testOutputCombination(id, config, maxSizes); |
| } |
| |
| // Check for BURST_CAPTURE, FULL and RAW and run those if appropriate |
| |
| if (staticInfo.isCapabilitySupported( |
| CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE)) { |
| for (int[] config : BURST_COMBINATIONS) { |
| testOutputCombination(id, config, maxSizes); |
| } |
| } |
| |
| if (staticInfo.isHardwareLevelFull()) { |
| for (int[] config : FULL_COMBINATIONS) { |
| testOutputCombination(id, config, maxSizes); |
| } |
| } |
| |
| if (staticInfo.isCapabilitySupported( |
| CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES_RAW)) { |
| for (int[] config : RAW_COMBINATIONS) { |
| testOutputCombination(id, config, maxSizes); |
| } |
| } |
| } |
| |
| closeDevice(id); |
| } |
| } |
| |
| /** |
| * Simple holder for resolutions to use for different camera outputs and size limits. |
| */ |
| static class MaxOutputSizes { |
| // Format shorthands |
| static final int PRIV = -1; |
| static final int JPEG = ImageFormat.JPEG; |
| static final int YUV = ImageFormat.YUV_420_888; |
| static final int RAW = ImageFormat.RAW_SENSOR; |
| |
| // Max resolution indices |
| static final int PREVIEW = 0; |
| static final int RECORD = 1; |
| static final int MAXIMUM = 2; |
| static final int VGA = 3; |
| static final int RESOLUTION_COUNT = 4; |
| |
| public MaxOutputSizes(CameraCharacteristics cc, String cameraId, Context context) { |
| StreamConfigurationMap configs = |
| cc.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); |
| Size[] privSizes = configs.getOutputSizes(SurfaceTexture.class); |
| Size[] yuvSizes = configs.getOutputSizes(ImageFormat.YUV_420_888); |
| Size[] jpegSizes = configs.getOutputSizes(ImageFormat.JPEG); |
| Size[] rawSizes = configs.getOutputSizes(ImageFormat.RAW_SENSOR); |
| |
| Size maxPreviewSize = getMaxPreviewSize(context, cameraId); |
| |
| maxRawSize = (rawSizes != null) ? CameraTestUtils.getMaxSize(rawSizes) : null; |
| |
| maxPrivSizes[PREVIEW] = getMaxSize(privSizes, maxPreviewSize); |
| maxYuvSizes[PREVIEW] = getMaxSize(yuvSizes, maxPreviewSize); |
| maxJpegSizes[PREVIEW] = getMaxSize(jpegSizes, maxPreviewSize); |
| |
| maxPrivSizes[RECORD] = getMaxRecordingSize(cameraId); |
| maxYuvSizes[RECORD] = getMaxRecordingSize(cameraId); |
| maxJpegSizes[RECORD] = getMaxRecordingSize(cameraId); |
| |
| maxPrivSizes[MAXIMUM] = CameraTestUtils.getMaxSize(privSizes); |
| maxYuvSizes[MAXIMUM] = CameraTestUtils.getMaxSize(yuvSizes); |
| maxJpegSizes[MAXIMUM] = CameraTestUtils.getMaxSize(jpegSizes); |
| |
| // Must always be supported, add unconditionally |
| final Size vgaSize = new Size(640, 480); |
| maxPrivSizes[VGA] = vgaSize; |
| maxJpegSizes[VGA] = vgaSize; |
| maxYuvSizes[VGA] = vgaSize; |
| } |
| |
| public final Size[] maxPrivSizes = new Size[RESOLUTION_COUNT]; |
| public final Size[] maxJpegSizes = new Size[RESOLUTION_COUNT]; |
| public final Size[] maxYuvSizes = new Size[RESOLUTION_COUNT]; |
| public final Size maxRawSize; |
| |
| static public String configToString(int[] config) { |
| StringBuilder b = new StringBuilder("{ "); |
| for (int i = 0; i < config.length; i += 2) { |
| int format = config[i]; |
| int sizeLimit = config[i + 1]; |
| switch (format) { |
| case PRIV: |
| b.append("[PRIV, "); |
| break; |
| case JPEG: |
| b.append("[JPEG, "); |
| break; |
| case YUV: |
| b.append("[YUV, "); |
| break; |
| case RAW: |
| b.append("[RAW, "); |
| break; |
| default: |
| b.append("[UNK, "); |
| break; |
| } |
| switch (sizeLimit) { |
| case PREVIEW: |
| b.append("PREVIEW] "); |
| break; |
| case RECORD: |
| b.append("RECORD] "); |
| break; |
| case MAXIMUM: |
| b.append("MAXIMUM] "); |
| break; |
| case VGA: |
| b.append("VGA] "); |
| break; |
| default: |
| b.append("UNK] "); |
| break; |
| } |
| } |
| b.append("}"); |
| return b.toString(); |
| } |
| } |
| |
| private void testOutputCombination(String cameraId, int[] config, MaxOutputSizes maxSizes) |
| throws Exception { |
| |
| Log.i(TAG, String.format("Testing Camera %s, config %s", |
| cameraId, MaxOutputSizes.configToString(config))); |
| |
| // Timeout is relaxed by 1 second for LEGACY devices to reduce false positive rate in CTS |
| final int TIMEOUT_FOR_RESULT_MS = (mStaticInfo.isHardwareLevelLegacy()) ? 2000 : 1000; |
| final int MIN_RESULT_COUNT = 3; |
| |
| ImageDropperListener imageDropperListener = new ImageDropperListener(); |
| // Set up outputs |
| List<Object> outputTargets = new ArrayList<>(); |
| List<Surface> outputSurfaces = new ArrayList<>(); |
| List<SurfaceTexture> privTargets = new ArrayList<SurfaceTexture>(); |
| List<ImageReader> jpegTargets = new ArrayList<ImageReader>(); |
| List<ImageReader> yuvTargets = new ArrayList<ImageReader>(); |
| List<ImageReader> rawTargets = new ArrayList<ImageReader>(); |
| for (int i = 0; i < config.length; i += 2) { |
| int format = config[i]; |
| int sizeLimit = config[i + 1]; |
| |
| switch (format) { |
| case PRIV: { |
| Size targetSize = maxSizes.maxPrivSizes[sizeLimit]; |
| SurfaceTexture target = new SurfaceTexture(/*random int*/1); |
| target.setDefaultBufferSize(targetSize.getWidth(), targetSize.getHeight()); |
| outputTargets.add(target); |
| outputSurfaces.add(new Surface(target)); |
| privTargets.add(target); |
| break; |
| } |
| case JPEG: { |
| Size targetSize = maxSizes.maxJpegSizes[sizeLimit]; |
| ImageReader target = ImageReader.newInstance( |
| targetSize.getWidth(), targetSize.getHeight(), JPEG, MIN_RESULT_COUNT); |
| target.setOnImageAvailableListener(imageDropperListener, mHandler); |
| outputTargets.add(target); |
| outputSurfaces.add(target.getSurface()); |
| jpegTargets.add(target); |
| break; |
| } |
| case YUV: { |
| Size targetSize = maxSizes.maxYuvSizes[sizeLimit]; |
| ImageReader target = ImageReader.newInstance( |
| targetSize.getWidth(), targetSize.getHeight(), YUV, MIN_RESULT_COUNT); |
| target.setOnImageAvailableListener(imageDropperListener, mHandler); |
| outputTargets.add(target); |
| outputSurfaces.add(target.getSurface()); |
| yuvTargets.add(target); |
| break; |
| } |
| case RAW: { |
| Size targetSize = maxSizes.maxRawSize; |
| ImageReader target = ImageReader.newInstance( |
| targetSize.getWidth(), targetSize.getHeight(), RAW, MIN_RESULT_COUNT); |
| target.setOnImageAvailableListener(imageDropperListener, mHandler); |
| outputTargets.add(target); |
| outputSurfaces.add(target.getSurface()); |
| rawTargets.add(target); |
| break; |
| } |
| default: |
| fail("Unknown output format " + format); |
| } |
| } |
| |
| boolean haveSession = false; |
| try { |
| CaptureRequest.Builder requestBuilder = |
| mCamera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); |
| |
| for (Surface s : outputSurfaces) { |
| requestBuilder.addTarget(s); |
| } |
| |
| CameraCaptureSession.CaptureCallback mockCaptureCallback = |
| mock(CameraCaptureSession.CaptureCallback.class); |
| |
| createSession(outputSurfaces); |
| haveSession = true; |
| CaptureRequest request = requestBuilder.build(); |
| mCameraSession.setRepeatingRequest(request, mockCaptureCallback, mHandler); |
| |
| verify(mockCaptureCallback, |
| timeout(TIMEOUT_FOR_RESULT_MS * MIN_RESULT_COUNT).atLeast(MIN_RESULT_COUNT)) |
| .onCaptureCompleted( |
| eq(mCameraSession), |
| eq(request), |
| isA(TotalCaptureResult.class)); |
| verify(mockCaptureCallback, never()). |
| onCaptureFailed( |
| eq(mCameraSession), |
| eq(request), |
| isA(CaptureFailure.class)); |
| |
| } catch (Throwable e) { |
| mCollector.addMessage(String.format("Output combination %s failed due to: %s", |
| MaxOutputSizes.configToString(config), e.getMessage())); |
| } |
| if (haveSession) { |
| try { |
| Log.i(TAG, String.format("Done with camera %s, config %s, closing session", |
| cameraId, MaxOutputSizes.configToString(config))); |
| stopCapture(/*fast*/false); |
| } catch (Throwable e) { |
| mCollector.addMessage( |
| String.format("Closing down for output combination %s failed due to: %s", |
| MaxOutputSizes.configToString(config), e.getMessage())); |
| } |
| } |
| |
| for (SurfaceTexture target : privTargets) { |
| target.release(); |
| } |
| for (ImageReader target : jpegTargets) { |
| target.close(); |
| } |
| for (ImageReader target : yuvTargets) { |
| target.close(); |
| } |
| for (ImageReader target : rawTargets) { |
| target.close(); |
| } |
| } |
| |
| private static Size getMaxRecordingSize(String cameraId) { |
| int id = Integer.valueOf(cameraId); |
| |
| int quality = |
| CamcorderProfile.hasProfile(id, CamcorderProfile.QUALITY_2160P) ? |
| CamcorderProfile.QUALITY_2160P : |
| CamcorderProfile.hasProfile(id, CamcorderProfile.QUALITY_1080P) ? |
| CamcorderProfile.QUALITY_1080P : |
| CamcorderProfile.hasProfile(id, CamcorderProfile.QUALITY_720P) ? |
| CamcorderProfile.QUALITY_720P : |
| CamcorderProfile.hasProfile(id, CamcorderProfile.QUALITY_480P) ? |
| CamcorderProfile.QUALITY_480P : |
| CamcorderProfile.hasProfile(id, CamcorderProfile.QUALITY_QVGA) ? |
| CamcorderProfile.QUALITY_QVGA : |
| CamcorderProfile.hasProfile(id, CamcorderProfile.QUALITY_CIF) ? |
| CamcorderProfile.QUALITY_CIF : |
| CamcorderProfile.hasProfile(id, CamcorderProfile.QUALITY_QCIF) ? |
| CamcorderProfile.QUALITY_QCIF : |
| -1; |
| |
| assertTrue("No recording supported for camera id " + cameraId, quality != -1); |
| |
| CamcorderProfile maxProfile = CamcorderProfile.get(id, quality); |
| return new Size(maxProfile.videoFrameWidth, maxProfile.videoFrameHeight); |
| } |
| |
| /** |
| * Get maximum size in list that's equal or smaller to than the bound. |
| * Returns null if no size is smaller than or equal to the bound. |
| */ |
| private static Size getMaxSize(Size[] sizes, Size bound) { |
| if (sizes == null || sizes.length == 0) { |
| throw new IllegalArgumentException("sizes was empty"); |
| } |
| |
| Size sz = null; |
| for (Size size : sizes) { |
| if (size.getWidth() <= bound.getWidth() && size.getHeight() <= bound.getHeight()) { |
| |
| if (sz == null) { |
| sz = size; |
| } else { |
| long curArea = sz.getWidth() * (long) sz.getHeight(); |
| long newArea = size.getWidth() * (long) size.getHeight(); |
| if ( newArea > curArea ) { |
| sz = size; |
| } |
| } |
| } |
| } |
| |
| assertTrue("No size under bound found: " + Arrays.toString(sizes) + " bound " + bound, |
| sz != null); |
| |
| return sz; |
| } |
| |
| private static Size getMaxPreviewSize(Context context, String cameraId) { |
| try { |
| WindowManager windowManager = |
| (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); |
| Display display = windowManager.getDefaultDisplay(); |
| |
| int width = display.getWidth(); |
| int height = display.getHeight(); |
| |
| if (height > width) { |
| height = width; |
| width = display.getHeight(); |
| } |
| |
| CameraManager camMgr = |
| (CameraManager) context.getSystemService(Context.CAMERA_SERVICE); |
| List<Size> orderedPreviewSizes = CameraTestUtils.getSupportedPreviewSizes( |
| cameraId, camMgr, PREVIEW_SIZE_BOUND); |
| |
| if (orderedPreviewSizes != null) { |
| for (Size size : orderedPreviewSizes) { |
| if (width >= size.getWidth() && |
| height >= size.getHeight()) |
| return size; |
| } |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "getMaxPreviewSize Failed. "+e.toString()); |
| } |
| return PREVIEW_SIZE_BOUND; |
| } |
| } |