ai.djl.modality.cv.translator.wrapper.InputStreamImagePreProcessor Maven / Gradle / Ivy
The newest version!
/*
* Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 ai.djl.modality.cv.translator.wrapper;
import ai.djl.modality.cv.Image;
import ai.djl.modality.cv.ImageFactory;
import ai.djl.ndarray.NDList;
import ai.djl.translate.PreProcessor;
import ai.djl.translate.TranslatorContext;
import java.io.InputStream;
/** Built-in {@code PreProcessor} that provides image pre-processing from {@code InputStream}. */
public class InputStreamImagePreProcessor implements PreProcessor {
private PreProcessor preProcessor;
/**
* Creates a {@code InputStreamImagePreProcessor} instance.
*
* @param preProcessor a {@code PreProcessor} that can process image
*/
public InputStreamImagePreProcessor(PreProcessor preProcessor) {
this.preProcessor = preProcessor;
}
/** {@inheritDoc} */
@Override
public NDList processInput(TranslatorContext ctx, InputStream input) throws Exception {
Image image = ImageFactory.getInstance().fromInputStream(input);
return preProcessor.processInput(ctx, image);
}
}