List of usage examples for android.hardware.camera2 CaptureRequest CONTROL_AF_MODE
Key CONTROL_AF_MODE
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Whether auto-focus (AF) is currently enabled, and what mode it is set to.
Only effective if CaptureRequest#CONTROL_MODE android.control.mode = AUTO and the lens is not fixed focus (i.e.
From source file:com.android.camera2.its.ItsService.java
private void do3A(JSONObject params) throws ItsException { try {// w w w. j a v a2 s. c om // Start a 3A action, and wait for it to converge. // Get the converged values for each "A", and package into JSON result for caller. // 3A happens on full-res frames. Size sizes[] = ItsUtils.getYuvOutputSizes(mCameraCharacteristics); int widths[] = new int[1]; int heights[] = new int[1]; int formats[] = new int[1]; widths[0] = sizes[0].getWidth(); heights[0] = sizes[0].getHeight(); formats[0] = ImageFormat.YUV_420_888; int width = widths[0]; int height = heights[0]; prepareCaptureReader(widths, heights, formats, 1); List<Surface> outputSurfaces = new ArrayList<Surface>(1); outputSurfaces.add(mCaptureReaders[0].getSurface()); BlockingSessionCallback sessionListener = new BlockingSessionCallback(); mCamera.createCaptureSession(outputSurfaces, sessionListener, mCameraHandler); mSession = sessionListener.waitAndGetSession(TIMEOUT_IDLE_MS); // Add a listener that just recycles buffers; they aren't saved anywhere. ImageReader.OnImageAvailableListener readerListener = createAvailableListenerDropper(mCaptureCallback); mCaptureReaders[0].setOnImageAvailableListener(readerListener, mSaveHandlers[0]); // Get the user-specified regions for AE, AWB, AF. // Note that the user specifies normalized [x,y,w,h], which is converted below // to an [x0,y0,x1,y1] region in sensor coords. The capture request region // also has a fifth "weight" element: [x0,y0,x1,y1,w]. MeteringRectangle[] regionAE = new MeteringRectangle[] { new MeteringRectangle(0, 0, width, height, 1) }; MeteringRectangle[] regionAF = new MeteringRectangle[] { new MeteringRectangle(0, 0, width, height, 1) }; MeteringRectangle[] regionAWB = new MeteringRectangle[] { new MeteringRectangle(0, 0, width, height, 1) }; if (params.has(REGION_KEY)) { JSONObject regions = params.getJSONObject(REGION_KEY); if (regions.has(REGION_AE_KEY)) { regionAE = ItsUtils.getJsonWeightedRectsFromArray(regions.getJSONArray(REGION_AE_KEY), true, width, height); } if (regions.has(REGION_AF_KEY)) { regionAF = ItsUtils.getJsonWeightedRectsFromArray(regions.getJSONArray(REGION_AF_KEY), true, width, height); } if (regions.has(REGION_AWB_KEY)) { regionAWB = ItsUtils.getJsonWeightedRectsFromArray(regions.getJSONArray(REGION_AWB_KEY), true, width, height); } } // If AE or AWB lock is specified, then the 3A will converge first and then lock these // values, waiting until the HAL has reported that the lock was successful. mNeedsLockedAE = params.optBoolean(LOCK_AE_KEY, false); mNeedsLockedAWB = params.optBoolean(LOCK_AWB_KEY, false); // By default, AE and AF both get triggered, but the user can optionally override this. // Also, AF won't get triggered if the lens is fixed-focus. boolean doAE = true; boolean doAF = true; if (params.has(TRIGGER_KEY)) { JSONObject triggers = params.getJSONObject(TRIGGER_KEY); if (triggers.has(TRIGGER_AE_KEY)) { doAE = triggers.getBoolean(TRIGGER_AE_KEY); } if (triggers.has(TRIGGER_AF_KEY)) { doAF = triggers.getBoolean(TRIGGER_AF_KEY); } } if (doAF && mCameraCharacteristics.get(CameraCharacteristics.LENS_INFO_MINIMUM_FOCUS_DISTANCE) == 0) { // Send a dummy result back for the code that is waiting for this message to see // that AF has converged. Logt.i(TAG, "Ignoring request for AF on fixed-focus camera"); mSocketRunnableObj.sendResponse("afResult", "0.0"); doAF = false; } mInterlock3A.open(); mIssuedRequest3A = false; mConvergedAE = false; mConvergedAWB = false; mConvergedAF = false; mLockedAE = false; mLockedAWB = false; long tstart = System.currentTimeMillis(); boolean triggeredAE = false; boolean triggeredAF = false; Logt.i(TAG, String.format("Initiating 3A: AE:%d, AF:%d, AWB:1, AELOCK:%d, AWBLOCK:%d", doAE ? 1 : 0, doAF ? 1 : 0, mNeedsLockedAE ? 1 : 0, mNeedsLockedAWB ? 1 : 0)); // Keep issuing capture requests until 3A has converged. while (true) { // Block until can take the next 3A frame. Only want one outstanding frame // at a time, to simplify the logic here. if (!mInterlock3A.block(TIMEOUT_3A * 1000) || System.currentTimeMillis() - tstart > TIMEOUT_3A * 1000) { throw new ItsException("3A failed to converge (timeout)"); } mInterlock3A.close(); // If not converged yet, issue another capture request. if ((doAE && (!triggeredAE || !mConvergedAE)) || !mConvergedAWB || (doAF && (!triggeredAF || !mConvergedAF)) || (doAE && mNeedsLockedAE && !mLockedAE) || (mNeedsLockedAWB && !mLockedAWB)) { // Baseline capture request for 3A. CaptureRequest.Builder req = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); req.set(CaptureRequest.FLASH_MODE, CaptureRequest.FLASH_MODE_OFF); req.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO); req.set(CaptureRequest.CONTROL_CAPTURE_INTENT, CaptureRequest.CONTROL_CAPTURE_INTENT_PREVIEW); req.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON); req.set(CaptureRequest.CONTROL_AE_EXPOSURE_COMPENSATION, 0); req.set(CaptureRequest.CONTROL_AE_LOCK, false); req.set(CaptureRequest.CONTROL_AE_REGIONS, regionAE); req.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO); req.set(CaptureRequest.CONTROL_AF_REGIONS, regionAF); req.set(CaptureRequest.CONTROL_AWB_MODE, CaptureRequest.CONTROL_AWB_MODE_AUTO); req.set(CaptureRequest.CONTROL_AWB_LOCK, false); req.set(CaptureRequest.CONTROL_AWB_REGIONS, regionAWB); if (mConvergedAE && mNeedsLockedAE) { req.set(CaptureRequest.CONTROL_AE_LOCK, true); } if (mConvergedAWB && mNeedsLockedAWB) { req.set(CaptureRequest.CONTROL_AWB_LOCK, true); } // Trigger AE first. if (doAE && !triggeredAE) { Logt.i(TAG, "Triggering AE"); req.set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER, CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER_START); triggeredAE = true; } // After AE has converged, trigger AF. if (doAF && !triggeredAF && (!doAE || (triggeredAE && mConvergedAE))) { Logt.i(TAG, "Triggering AF"); req.set(CaptureRequest.CONTROL_AF_TRIGGER, CaptureRequest.CONTROL_AF_TRIGGER_START); triggeredAF = true; } req.addTarget(mCaptureReaders[0].getSurface()); mIssuedRequest3A = true; mSession.capture(req.build(), mCaptureResultListener, mResultHandler); } else { mSocketRunnableObj.sendResponse("3aConverged", ""); Logt.i(TAG, "3A converged"); break; } } } catch (android.hardware.camera2.CameraAccessException e) { throw new ItsException("Access error: ", e); } catch (org.json.JSONException e) { throw new ItsException("JSON error: ", e); } finally { mSocketRunnableObj.sendResponse("3aDone", ""); } }
From source file:research.dlsu.cacaoapp.Camera2BasicFragment.java
/** * Capture a still picture. This method should be called when we get a response in * {@link #mCaptureCallback} from both {@link #lockFocus()}. *//* www.j a va 2 s . c o m*/ private void captureStillPicture() { try { final Activity activity = getActivity(); if (null == activity || null == mCameraDevice) { return; } // This is the CaptureRequest.Builder that we use to take a picture. final CaptureRequest.Builder captureBuilder = mCameraDevice .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE); captureBuilder.addTarget(mImageReader.getSurface()); // Use the same AE and AF modes as the preview. captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); setAutoFlash(captureBuilder); // Orientation int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation)); CameraCaptureSession.CaptureCallback CaptureCallback = new CameraCaptureSession.CaptureCallback() { @Override public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) { showToast("Saved: " + mFile); Log.d(TAG, mFile.toString()); // saveEntryToDatabase(); // call match activity to save matched file Intent i = new Intent(getActivity(), MatchActivity27Jan.class); i.putExtra(ChoosePhotoActivity.EXTRA_PATH, mFile.getAbsolutePath()); // cacaoImagePath = getIntent().getStringExtra(ChoosePhotoActivity.EXTRA_PATH); startActivityForResult(i, REQUEST_MATCH); unlockFocus(); } }; mCaptureSession.stopRepeating(); mCaptureSession.capture(captureBuilder.build(), CaptureCallback, null); } catch (CameraAccessException e) { e.printStackTrace(); } }
From source file:com.example.camera2apidemo.Camera2BasicFragment.java
/** * Creates a new {@link CameraCaptureSession} for camera preview. *///from w w w . ja va 2 s . c o m private void createCameraPreviewSession() { try {// ?texture SurfaceTexture texture = mTextureView.getSurfaceTexture(); assert texture != null; // We configure the size of default buffer to be the size of camera preview we want. texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight()); // This is the output Surface we need to start preview. Surface surface = new Surface(texture); // We set up a CaptureRequest.Builder with the output Surface. // // CameraDeviceCameraCaptureSession?CameraCaptureSession?? mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); mPreviewRequestBuilder.addTarget(surface); // Here, we create a CameraCaptureSession for camera preview. /*??? ???CameraDeviceCameraCaptureSession? CameraCaptureSession?? CameraCaptureSession??? ?Surface? ??CameraCaptureSession ?Handler? */ mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()), new CameraCaptureSession.StateCallback() { @Override public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) { // The camera is already closed if (null == mCameraDevice) { return; } // When the session is ready, we start displaying the preview. // ??, ?field?? mCaptureSession mCaptureSession = cameraCaptureSession; try { // Auto focus should be continuous for camera preview. // mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); // Flash is automatically enabled when necessary. setAutoFlash(mPreviewRequestBuilder); // // Finally, we start displaying the camera preview. // mPreviewRequest = mPreviewRequestBuilder.build(); // ???, mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } } @Override public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) { showToast("Failed"); } }, null); } catch (CameraAccessException e) { e.printStackTrace(); } }
From source file:org.tensorflow.demo.Camera2BasicFragment.java
/** * Capture a still picture. This method should be called when we get a response in * {@link #mCaptureCallback} from both {@link #lockFocus()}. *//*from ww w . jav a2 s. c o m*/ private void captureStillPicture() { try { final Activity activity = getActivity(); if (null == activity || null == mCameraDevice) { return; } // This is the CaptureRequest.Builder that we use to take a picture. final CaptureRequest.Builder captureBuilder = mCameraDevice .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE); captureBuilder.addTarget(mImageReader.getSurface()); // Use the same AE and AF modes as the preview. captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); setAutoFlash(captureBuilder); // Orientation int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation)); sensorOrientation = rotation + getOrientation(rotation); frameToCropTransform = ImageUtils.getTransformationMatrix(previewWidth, previewHeight, INPUT_SIZE, INPUT_SIZE, sensorOrientation, MAINTAIN_ASPECT); cropToFrameTransform = new Matrix(); frameToCropTransform.invert(cropToFrameTransform); classifier = TensorFlowImageClassifier.create(getActivity().getAssets(), MODEL_FILE, LABEL_FILE, INPUT_SIZE, IMAGE_MEAN, IMAGE_STD, INPUT_NAME, OUTPUT_NAME); CameraCaptureSession.CaptureCallback CaptureCallback = new CameraCaptureSession.CaptureCallback() { @Override public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) { Log.d(TAG, mFile.toString()); unlockFocus(); } }; mCaptureSession.stopRepeating(); mCaptureSession.capture(captureBuilder.build(), CaptureCallback, null); } catch (CameraAccessException e) { e.printStackTrace(); } }
From source file:com.ape.camera2raw.Camera2RawFragment.java
/** * Configure the given {@link CaptureRequest.Builder} to use auto-focus, auto-exposure, and * auto-white-balance controls if available. * <p/>// ww w . j ava 2s.c om * Call this only with {@link #mCameraStateLock} held. * * @param builder the builder to configure. */ private void setup3AControlsLocked(CaptureRequest.Builder builder) { // Enable auto-magical 3A run by camera device builder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO); Float minFocusDist = mCharacteristics.get(CameraCharacteristics.LENS_INFO_MINIMUM_FOCUS_DISTANCE); // If MINIMUM_FOCUS_DISTANCE is 0, lens is fixed-focus and we need to skip the AF run. mNoAFRun = (minFocusDist == null || minFocusDist == 0); if (!mNoAFRun) { // If there is a "continuous picture" mode available, use it, otherwise default to AUTO. if (contains(mCharacteristics.get(CameraCharacteristics.CONTROL_AF_AVAILABLE_MODES), CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)) { builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); } else { builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO); } } // If there is an auto-magical flash control mode available, use it, otherwise default to // the "on" mode, which is guaranteed to always be available. if (contains(mCharacteristics.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_MODES), CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH)) { builder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH); } else { builder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON); } // If there is an auto-magical white balance control mode available, use it. if (contains(mCharacteristics.get(CameraCharacteristics.CONTROL_AWB_AVAILABLE_MODES), CaptureRequest.CONTROL_AWB_MODE_AUTO)) { // Allow AWB to run auto-magically if this device supports this builder.set(CaptureRequest.CONTROL_AWB_MODE, CaptureRequest.CONTROL_AWB_MODE_AUTO); } }
From source file:research.dlsu.crabapp.Camera2BasicFragment.java
/** * Capture a still picture. This method should be called when we get a response in * {@link #mCaptureCallback} from both {@link #lockFocus()}. *//*from w w w. j a v a2 s . c o m*/ private void captureStillPicture() { try { final Activity activity = getActivity(); if (null == activity || null == mCameraDevice) { return; } // This is the CaptureRequest.Builder that we use to take a picture. final CaptureRequest.Builder captureBuilder = mCameraDevice .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE); captureBuilder.addTarget(mImageReader.getSurface()); // Use the same AE and AF modes as the preview. captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); setAutoFlash(captureBuilder); // Orientation int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation)); CameraCaptureSession.CaptureCallback CaptureCallback = new CameraCaptureSession.CaptureCallback() { @Override public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) { showToast("Saved: " + mFile); Log.d(TAG, mFile.toString()); cu = saveEntryToDatabase(); unlockFocus(); } }; mCaptureSession.stopRepeating(); mCaptureSession.capture(captureBuilder.build(), CaptureCallback, null); } catch (CameraAccessException e) { e.printStackTrace(); } }
From source file:com.android.camera.one.v2.OneCameraZslImpl.java
/** *//*from www . j a va2 s . c o m*/ private boolean sendAutoFocusTriggerRequest() { Log.v(TAG, "sendAutoFocusTriggerRequest()"); try { CaptureRequest.Builder builder; if (ZSL_ENABLED) { builder = mDevice.createCaptureRequest(CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG); } else { builder = mDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); } builder.addTarget(mPreviewSurface); if (ZSL_ENABLED) { builder.addTarget(mCaptureImageReader.getSurface()); } builder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO); addRegionsToCaptureRequestBuilder(builder); builder.set(CaptureRequest.CONTROL_AF_MODE, CameraMetadata.CONTROL_AF_MODE_AUTO); builder.set(CaptureRequest.CONTROL_AF_TRIGGER, CaptureRequest.CONTROL_AF_TRIGGER_START); mCaptureSession.capture(builder.build(), mCaptureManager, mCameraHandler); return true; } catch (CameraAccessException e) { Log.v(TAG, "Could not execute auto focus trigger request.", e); return false; } }
From source file:research.dlsu.cacaoapp.Camera2BasicFragment1.java
/** * Capture a still picture. This method should be called when we get a response in * {@link #mCaptureCallback} from both {@link #lockFocus()}. *///from w w w .j av a 2 s .c om private void captureStillPicture() { try { final Activity activity = getActivity(); if (null == activity || null == mCameraDevice) { return; } // This is the CaptureRequest.Builder that we use to take a picture. final CaptureRequest.Builder captureBuilder = mCameraDevice .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE); captureBuilder.addTarget(mImageReader.getSurface()); // Use the same AE and AF modes as the preview. captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); setAutoFlash(captureBuilder); // Orientation int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation)); CameraCaptureSession.CaptureCallback CaptureCallback = new CameraCaptureSession.CaptureCallback() { @Override public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) { showToast("Saved: " + mFile); Log.d(TAG, mFile.toString()); saveEntryToDatabase(); unlockFocus(); } }; mCaptureSession.stopRepeating(); mCaptureSession.capture(captureBuilder.build(), CaptureCallback, null); } catch (CameraAccessException e) { e.printStackTrace(); } }
From source file:com.android.camera.one.v2.OneCameraZslImpl.java
/** * Like {@link #sendRepeatingCaptureRequest()}, but with the focus held * constant.// w ww .ja v a2s. c om * * @return true if successful, false if there was an error submitting the * capture request. */ private boolean sendAutoFocusHoldRequest() { Log.v(TAG, "sendAutoFocusHoldRequest()"); try { CaptureRequest.Builder builder; if (ZSL_ENABLED) { builder = mDevice.createCaptureRequest(CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG); } else { builder = mDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); } builder.addTarget(mPreviewSurface); if (ZSL_ENABLED) { builder.addTarget(mCaptureImageReader.getSurface()); } builder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO); builder.set(CaptureRequest.CONTROL_AF_MODE, CameraMetadata.CONTROL_AF_MODE_AUTO); builder.set(CaptureRequest.CONTROL_AF_TRIGGER, CaptureRequest.CONTROL_AF_TRIGGER_IDLE); addRegionsToCaptureRequestBuilder(builder); // TODO: This should fire the torch, if appropriate. mCaptureSession.setRepeatingRequest(builder.build(), mCaptureManager, mCameraHandler); return true; } catch (CameraAccessException e) { Log.v(TAG, "Could not execute auto focus hold request.", e); return false; } }
From source file:net.ddns.mlsoftlaberge.trycorder.TryviscamFragment.java
/** * Capture a still picture. This method should be called when we get a response in * {@link #mCaptureCallback} from both {@link #lockFocus()}. *///w w w . j av a2s. c o m private void captureStillPicture() { try { final Activity activity = getActivity(); if (null == activity || null == mCameraDevice) { return; } // This is the CaptureRequest.Builder that we use to take a picture. final CaptureRequest.Builder captureBuilder = mCameraDevice .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE); captureBuilder.addTarget(mImageReader.getSurface()); // Use the same AE and AF modes as the preview. captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); setAutoFlash(captureBuilder); setVisionMode(captureBuilder); // Orientation int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation)); CameraCaptureSession.CaptureCallback CaptureCallback = new CameraCaptureSession.CaptureCallback() { @Override public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) { showToast("Saved: " + mFile); Log.d(TAG, mFile.toString()); unlockFocus(); } }; mCaptureSession.stopRepeating(); mCaptureSession.capture(captureBuilder.build(), CaptureCallback, null); } catch (CameraAccessException e) { e.printStackTrace(); } }