| /* |
| * Copyright (C) 2021 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.impl; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.graphics.ImageFormat; |
| import android.graphics.PixelFormat; |
| import android.hardware.camera2.CameraExtensionCharacteristics; |
| import android.hardware.camera2.params.OutputConfiguration; |
| import android.hardware.camera2.params.StreamConfigurationMap; |
| import android.hardware.camera2.utils.SurfaceUtils; |
| import android.media.Image; |
| import android.media.ImageWriter; |
| import android.os.Handler; |
| import android.util.Log; |
| import android.util.Size; |
| import android.view.Surface; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.RejectedExecutionException; |
| |
| public final class CameraExtensionUtils { |
| private static final String TAG = "CameraExtensionUtils"; |
| |
| public final static int JPEG_DEFAULT_QUALITY = 100; |
| public final static int JPEG_DEFAULT_ROTATION = 0; |
| |
| public static final int[] SUPPORTED_CAPTURE_OUTPUT_FORMATS = { |
| CameraExtensionCharacteristics.PROCESSING_INPUT_FORMAT, |
| ImageFormat.JPEG |
| }; |
| |
| public static class SurfaceInfo { |
| public int mWidth = 0; |
| public int mHeight = 0; |
| public int mFormat = PixelFormat.RGBA_8888; |
| public long mUsage = 0; |
| } |
| |
| public static final class HandlerExecutor implements Executor { |
| private final Handler mHandler; |
| |
| public HandlerExecutor(Handler handler) { |
| mHandler = handler; |
| } |
| |
| @Override |
| public void execute(Runnable runCmd) { |
| try { |
| mHandler.post(runCmd); |
| } catch (RejectedExecutionException e) { |
| Log.w(TAG, "Handler thread unavailable, skipping message!"); |
| } |
| } |
| } |
| |
| public static @NonNull SurfaceInfo querySurface(@NonNull Surface s) { |
| ImageWriter writer = null; |
| Image img = null; |
| SurfaceInfo surfaceInfo = new SurfaceInfo(); |
| int nativeFormat = SurfaceUtils.detectSurfaceFormat(s); |
| int dataspace = SurfaceUtils.getSurfaceDataspace(s); |
| Size surfaceSize = SurfaceUtils.getSurfaceSize(s); |
| surfaceInfo.mFormat = nativeFormat; |
| surfaceInfo.mWidth = surfaceSize.getWidth(); |
| surfaceInfo.mHeight = surfaceSize.getHeight(); |
| surfaceInfo.mUsage = SurfaceUtils.getSurfaceUsage(s); |
| // Jpeg surfaces cannot be queried for their usage and other parameters |
| // in the usual way below. A buffer can only be de-queued after the |
| // producer overrides the surface dimensions to (width*height) x 1. |
| if ((nativeFormat == StreamConfigurationMap.HAL_PIXEL_FORMAT_BLOB) && |
| (dataspace == StreamConfigurationMap.HAL_DATASPACE_V0_JFIF)) { |
| surfaceInfo.mFormat = ImageFormat.JPEG; |
| return surfaceInfo; |
| } |
| |
| return surfaceInfo; |
| } |
| |
| public static Surface getBurstCaptureSurface( |
| @NonNull List<OutputConfiguration> outputConfigs, |
| @NonNull HashMap<Integer, List<Size>> supportedCaptureSizes) { |
| for (OutputConfiguration config : outputConfigs) { |
| SurfaceInfo surfaceInfo = querySurface(config.getSurface()); |
| for (int supportedFormat : SUPPORTED_CAPTURE_OUTPUT_FORMATS) { |
| if (surfaceInfo.mFormat == supportedFormat) { |
| Size captureSize = new Size(surfaceInfo.mWidth, surfaceInfo.mHeight); |
| if (supportedCaptureSizes.containsKey(supportedFormat)) { |
| if (supportedCaptureSizes.get(surfaceInfo.mFormat).contains(captureSize)) { |
| return config.getSurface(); |
| } else { |
| throw new IllegalArgumentException("Capture size not supported!"); |
| } |
| } |
| return config.getSurface(); |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| public static @Nullable Surface getRepeatingRequestSurface( |
| @NonNull List<OutputConfiguration> outputConfigs, |
| @Nullable List<Size> supportedPreviewSizes) { |
| for (OutputConfiguration config : outputConfigs) { |
| SurfaceInfo surfaceInfo = querySurface(config.getSurface()); |
| if ((surfaceInfo.mFormat == |
| CameraExtensionCharacteristics.NON_PROCESSING_INPUT_FORMAT) || |
| // The default RGBA_8888 is also implicitly supported because camera will |
| // internally override it to |
| // 'CameraExtensionCharacteristics.NON_PROCESSING_INPUT_FORMAT' |
| (surfaceInfo.mFormat == PixelFormat.RGBA_8888)) { |
| Size repeatingRequestSurfaceSize = new Size(surfaceInfo.mWidth, |
| surfaceInfo.mHeight); |
| if ((supportedPreviewSizes == null) || |
| (!supportedPreviewSizes.contains(repeatingRequestSurfaceSize))) { |
| throw new IllegalArgumentException("Repeating request surface size " + |
| repeatingRequestSurfaceSize + " not supported!"); |
| } |
| |
| return config.getSurface(); |
| } |
| } |
| |
| return null; |
| } |
| } |