| /* |
| * 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.cts; |
| |
| import static android.hardware.camera2.cts.CameraTestUtils.*; |
| |
| import android.graphics.ImageFormat; |
| import android.graphics.SurfaceTexture; |
| import android.hardware.camera2.CameraDevice; |
| import android.hardware.camera2.cts.CameraTestUtils.ImageVerifierListener; |
| import android.hardware.camera2.cts.testcases.Camera2MultiViewTestCase; |
| import android.hardware.camera2.cts.testcases.Camera2MultiViewTestCase.CameraPreviewListener; |
| import android.media.ImageReader; |
| import android.os.SystemClock; |
| import android.util.Log; |
| import android.util.Size; |
| import android.view.Surface; |
| import android.view.TextureView; |
| |
| import com.android.ex.camera2.blocking.BlockingCameraManager.BlockingOpenException; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * CameraDevice test by using combination of SurfaceView, TextureView and ImageReader |
| */ |
| public class MultiViewTest extends Camera2MultiViewTestCase { |
| private static final String TAG = "MultiViewTest"; |
| private final static long WAIT_FOR_COMMAND_TO_COMPLETE = 2000; |
| private final static long PREVIEW_TIME_MS = 2000; |
| |
| public void testTextureViewPreview() throws Exception { |
| for (String cameraId : mCameraIds) { |
| openCamera(cameraId); |
| List<TextureView> views = Arrays.asList(mTextureView[0]); |
| textureViewPreview(cameraId, views, /*ImageReader*/null); |
| closeCamera(cameraId); |
| } |
| } |
| |
| public void testTextureViewPreviewWithImageReader() throws Exception { |
| for (String cameraId : mCameraIds) { |
| Exception prior = null; |
| |
| ImageVerifierListener yuvListener; |
| ImageReader yuvReader; |
| |
| try { |
| openCamera(cameraId); |
| Size previewSize = getOrderedPreviewSizes(cameraId).get(0); |
| yuvListener = |
| new ImageVerifierListener(previewSize, ImageFormat.YUV_420_888); |
| yuvReader = makeImageReader(previewSize, |
| ImageFormat.YUV_420_888, MAX_READER_IMAGES, yuvListener, mHandler); |
| int maxNumStreamsProc = |
| getStaticInfo(cameraId).getMaxNumOutputStreamsProcessedChecked(); |
| if (maxNumStreamsProc < 2) { |
| continue; |
| } |
| List<TextureView> views = Arrays.asList(mTextureView[0]); |
| textureViewPreview(cameraId, views, yuvReader); |
| } catch (Exception e) { |
| prior = e; |
| } finally { |
| try { |
| closeCamera(cameraId); |
| } catch (Exception e) { |
| if (prior != null) { |
| Log.e(TAG, "Prior exception received: " + prior); |
| } |
| prior = e; |
| } |
| if (prior != null) throw prior; // Rethrow last exception. |
| } |
| } |
| } |
| |
| public void testDualTextureViewPreview() throws Exception { |
| for (String cameraId : mCameraIds) { |
| Exception prior = null; |
| try { |
| openCamera(cameraId); |
| int maxNumStreamsProc = |
| getStaticInfo(cameraId).getMaxNumOutputStreamsProcessedChecked(); |
| if (maxNumStreamsProc < 2) { |
| continue; |
| } |
| List<TextureView> views = Arrays.asList(mTextureView[0], mTextureView[1]); |
| textureViewPreview(cameraId, views, /*ImageReader*/null); |
| } catch (Exception e) { |
| prior = e; |
| } finally { |
| try { |
| closeCamera(cameraId); |
| } catch (Exception e) { |
| if (prior != null) { |
| Log.e(TAG, "Prior exception received: " + prior); |
| } |
| prior = e; |
| } |
| if (prior != null) throw prior; // Rethrow last exception. |
| } |
| } |
| } |
| |
| public void testDualTextureViewAndImageReaderPreview() throws Exception { |
| for (String cameraId : mCameraIds) { |
| Exception prior = null; |
| |
| ImageVerifierListener yuvListener; |
| ImageReader yuvReader; |
| |
| try { |
| openCamera(cameraId); |
| Size previewSize = getOrderedPreviewSizes(cameraId).get(0); |
| yuvListener = |
| new ImageVerifierListener(previewSize, ImageFormat.YUV_420_888); |
| yuvReader = makeImageReader(previewSize, |
| ImageFormat.YUV_420_888, MAX_READER_IMAGES, yuvListener, mHandler); |
| int maxNumStreamsProc = |
| getStaticInfo(cameraId).getMaxNumOutputStreamsProcessedChecked(); |
| if (maxNumStreamsProc < 3) { |
| continue; |
| } |
| List<TextureView> views = Arrays.asList(mTextureView[0], mTextureView[1]); |
| textureViewPreview(cameraId, views, yuvReader); |
| } catch (Exception e) { |
| prior = e; |
| } finally { |
| try { |
| closeCamera(cameraId); |
| } catch (Exception e) { |
| if (prior != null) { |
| Log.e(TAG, "Prior exception received: " + prior); |
| } |
| prior = e; |
| } |
| if (prior != null) throw prior; // Rethrow last exception. |
| } |
| } |
| } |
| |
| public void testDualCameraPreview() throws Exception { |
| final int NUM_CAMERAS_TESTED = 2; |
| if (mCameraIds.length < NUM_CAMERAS_TESTED) { |
| return; |
| } |
| |
| try { |
| for (int i = 0; i < NUM_CAMERAS_TESTED; i++) { |
| openCamera(mCameraIds[i]); |
| List<TextureView> views = Arrays.asList(mTextureView[i]); |
| |
| startTextureViewPreview(mCameraIds[i], views, /*ImageReader*/null); |
| } |
| // TODO: check the framerate is correct |
| SystemClock.sleep(PREVIEW_TIME_MS); |
| for (int i = 0; i < NUM_CAMERAS_TESTED; i++) { |
| stopPreview(mCameraIds[i]); |
| } |
| } catch (BlockingOpenException e) { |
| // The only error accepted is ERROR_MAX_CAMERAS_IN_USE, which means HAL doesn't support |
| // concurrent camera streaming |
| assertEquals("Camera device open failed", |
| CameraDevice.StateCallback.ERROR_MAX_CAMERAS_IN_USE, e.getCode()); |
| Log.i(TAG, "Camera HAL does not support dual camera preview. Skip the test"); |
| } finally { |
| for (int i = 0; i < NUM_CAMERAS_TESTED; i++) { |
| closeCamera(mCameraIds[i]); |
| } |
| } |
| } |
| |
| /** |
| * Start camera preview using input texture views and/or one image reader |
| */ |
| private void startTextureViewPreview( |
| String cameraId, List<TextureView> views, ImageReader imageReader) |
| throws Exception { |
| int numPreview = views.size(); |
| Size previewSize = getOrderedPreviewSizes(cameraId).get(0); |
| CameraPreviewListener[] previewListener = |
| new CameraPreviewListener[numPreview]; |
| SurfaceTexture[] previewTexture = new SurfaceTexture[numPreview]; |
| List<Surface> surfaces = new ArrayList<Surface>(); |
| |
| // Prepare preview surface. |
| int i = 0; |
| for (TextureView view : views) { |
| previewListener[i] = new CameraPreviewListener(); |
| view.setSurfaceTextureListener(previewListener[i]); |
| previewTexture[i] = getAvailableSurfaceTexture(WAIT_FOR_COMMAND_TO_COMPLETE, view); |
| assertNotNull("Unable to get preview surface texture", previewTexture[i]); |
| previewTexture[i].setDefaultBufferSize(previewSize.getWidth(), previewSize.getHeight()); |
| // Correct the preview display rotation. |
| updatePreviewDisplayRotation(previewSize, view); |
| surfaces.add(new Surface(previewTexture[i])); |
| i++; |
| } |
| if (imageReader != null) { |
| surfaces.add(imageReader.getSurface()); |
| } |
| |
| startPreview(cameraId, surfaces, null); |
| |
| i = 0; |
| for (TextureView view : views) { |
| boolean previewDone = |
| previewListener[i].waitForPreviewDone(WAIT_FOR_COMMAND_TO_COMPLETE); |
| assertTrue("Unable to start preview " + i, previewDone); |
| view.setSurfaceTextureListener(null); |
| i++; |
| } |
| } |
| |
| /** |
| * Test camera preview using input texture views and/or one image reader |
| */ |
| private void textureViewPreview( |
| String cameraId, List<TextureView> views, ImageReader testImagerReader) |
| throws Exception { |
| startTextureViewPreview(cameraId, views, testImagerReader); |
| |
| // TODO: check the framerate is correct |
| SystemClock.sleep(PREVIEW_TIME_MS); |
| |
| stopPreview(cameraId); |
| } |
| } |