| /* |
| * Copyright 2019 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 androidx.camera.extensions.impl; |
| |
| import android.util.Size; |
| import android.view.Surface; |
| |
| import androidx.annotation.NonNull; |
| |
| /** |
| * Processes an input image stream and produces an output image stream. |
| * |
| * @since 1.0 |
| */ |
| public interface ProcessorImpl { |
| /** |
| * Updates where the ProcessorImpl should write the output to. |
| * |
| * @param surface The {@link Surface} that the ProcessorImpl should write data into. |
| * @param imageFormat The format of that the surface expects. |
| */ |
| void onOutputSurface(@NonNull Surface surface, int imageFormat); |
| |
| /** |
| * Invoked when CameraX changes the configured output resolution. |
| * |
| * <p>After this call, {@link CaptureProcessorImpl} should expect any |
| * {@link android.media.Image} received as input to be at the specified resolution. |
| * |
| * @param size for the surface. |
| */ |
| void onResolutionUpdate(@NonNull Size size); |
| |
| /** |
| * Invoked when CameraX changes the configured input image format. |
| * |
| * <p>After this call, {@link CaptureProcessorImpl} should expect any |
| * {@link android.media.Image} received as input to have the specified image format. |
| * |
| * @param imageFormat for the surface. |
| */ |
| void onImageFormatUpdate(int imageFormat); |
| } |