1/* 2 * Copyright 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package androidx.media.filterfw.samples.simplecamera; 18 19import androidx.media.filterfw.Filter; 20import androidx.media.filterfw.FrameImage2D; 21import androidx.media.filterfw.FrameType; 22import androidx.media.filterfw.MffContext; 23import androidx.media.filterfw.MffFilterTestCase; 24import androidx.media.filterfw.samples.simplecamera.ContrastRatioFilter; 25 26import android.content.res.AssetManager; 27import android.graphics.Bitmap; 28import android.graphics.BitmapFactory; 29import android.net.Uri; 30import android.provider.MediaStore; 31 32import java.io.FileNotFoundException; 33import java.io.IOException; 34import java.util.concurrent.ExecutionException; 35import java.util.concurrent.TimeoutException; 36 37 38public class ContrastRatioFilterTest extends MffFilterTestCase { 39 private AssetManager assetMgr = null; 40 41 @Override 42 protected Filter createFilter(MffContext mffContext) { 43 assetMgr = mffContext.getApplicationContext().getAssets(); 44 return new ContrastRatioFilter(mffContext, "contrastFilter"); 45 } 46 47 public void testContrastFilter() throws Exception { 48 49 final int INPUT_WIDTH = 480; 50 final int INPUT_HEIGHT = 640; 51 FrameImage2D image = 52 createFrame(FrameType.image2D(FrameType.ELEMENT_RGBA8888, FrameType.READ_CPU), 53 new int[] {INPUT_WIDTH,INPUT_HEIGHT}).asFrameImage2D(); 54 55 Bitmap bitmap = BitmapFactory.decodeStream(assetMgr.open("0002_000390.jpg")); 56 image.setBitmap(bitmap); 57 58 injectInputFrame("image", image); 59 60 process(); 61 final float EXPECTED_RESULT = 0.29901487f; 62 assertEquals(EXPECTED_RESULT, ((Float) getOutputFrame("contrastRating"). 63 asFrameValue().getValue()).floatValue(), 0.001f); 64 65 66 } 67}