165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpackage android.filterfw.format; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.MutableFrameFormat; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeBuffer; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class ObjectFormat { 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public static MutableFrameFormat fromClass(Class clazz, int count, int target) { 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create frame format 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn MutableFrameFormat result = new MutableFrameFormat(FrameFormat.TYPE_OBJECT, target); 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn result.setObjectClass(getBoxedClass(clazz)); 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (count != FrameFormat.SIZE_UNSPECIFIED) { 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn result.setDimensions(count); 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn result.setBytesPerSample(bytesPerSampleForClass(clazz, target)); 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return result; 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public static MutableFrameFormat fromClass(Class clazz, int target) { 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return fromClass(clazz, FrameFormat.SIZE_UNSPECIFIED, target); 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public static MutableFrameFormat fromObject(Object object, int target) { 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return object == null 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ? new MutableFrameFormat(FrameFormat.TYPE_OBJECT, target) 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn : fromClass(object.getClass(), FrameFormat.SIZE_UNSPECIFIED, target); 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public static MutableFrameFormat fromObject(Object object, int count, int target) { 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return object == null 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ? new MutableFrameFormat(FrameFormat.TYPE_OBJECT, target) 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn : fromClass(object.getClass(), count, target); 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private static int bytesPerSampleForClass(Class clazz, int target) { 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Native targets have objects manifested in a byte buffer. Thus it is important to 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // correctly determine the size of single element here. 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (target == FrameFormat.TARGET_NATIVE) { 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (!NativeBuffer.class.isAssignableFrom(clazz)) { 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new IllegalArgumentException("Native object-based formats must be of a " + 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "NativeBuffer subclass! (Received class: " + clazz + ")."); 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn try { 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return ((NativeBuffer)clazz.newInstance()).getElementSize(); 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } catch (Exception e) { 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Could not determine the size of an element in a " 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn + "native object-based frame of type " + clazz + "! Perhaps it is missing a " 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn + "default constructor?"); 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return FrameFormat.BYTES_PER_SAMPLE_UNSPECIFIED; 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private static Class getBoxedClass(Class type) { 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Check if type is primitive 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (type.isPrimitive()) { 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Yes -> box it 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (type == boolean.class) { 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Boolean.class; 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (type == byte.class) { 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Byte.class; 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (type == char.class) { 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Character.class; 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (type == short.class) { 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Short.class; 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (type == int.class) { 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Integer.class; 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (type == long.class) { 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Long.class; 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (type == float.class) { 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Float.class; 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (type == double.class) { 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return java.lang.Double.class; 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new IllegalArgumentException( 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "Unknown primitive type: " + type.getSimpleName() + "!"); 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // No -> return it 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return type; 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 106