1ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams/* 2ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Copyright (C) 2012 The Android Open Source Project 3ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 4ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Licensed under the Apache License, Version 2.0 (the "License"); 5ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * you may not use this file except in compliance with the License. 6ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * You may obtain a copy of the License at 7ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 8ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * http://www.apache.org/licenses/LICENSE-2.0 9ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 10ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Unless required by applicable law or agreed to in writing, software 11ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * distributed under the License is distributed on an "AS IS" BASIS, 12ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * See the License for the specific language governing permissions and 14ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * limitations under the License. 15ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 16ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 17ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Samspackage android.support.v8.renderscript; 18ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 19ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 20ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams/** 21ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Intrinsic for converting an Android YUV buffer to RGB. 22ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 23ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * The input allocation is supplied in NV21 format as a U8 24ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * element type. The output is RGBA, the alpha channel will be 25ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * set to 255. 26ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 27ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Samspublic final class ScriptIntrinsicYuvToRGB extends ScriptIntrinsic { 28ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams private Allocation mInput; 29ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 30ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams ScriptIntrinsicYuvToRGB(int id, RenderScript rs) { 31ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams super(id, rs); 32ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 33ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 34ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 35ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Create an intrinsic for converting YUV to RGB. 36ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 37ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Supported elements types are {@link Element#U8_4} 38ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 39ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @param rs The Renderscript context 40ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @param e Element type for output 41ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 42ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @return ScriptIntrinsicYuvToRGB 43ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 44ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public static ScriptIntrinsicYuvToRGB create(RenderScript rs, Element e) { 45ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams // 6 comes from RS_SCRIPT_INTRINSIC_YUV_TO_RGB in rsDefines.h 46ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams int id = rs.nScriptIntrinsicCreate(6, e.getID(rs)); 47ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams ScriptIntrinsicYuvToRGB si = new ScriptIntrinsicYuvToRGB(id, rs); 48ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams return si; 49ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 50ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 51ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 52ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 53ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Set the input yuv allocation, must be {@link Element#U8}. 54ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 55ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @param ain The input allocation. 56ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 57ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public void setInput(Allocation ain) { 58ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams mInput = ain; 59ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams bindAllocation(ain, 0); 60ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 61ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 62ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 63ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Convert the image to RGB. 64ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 65ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @param aout Output allocation. Must match creation element 66ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * type. 67ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 68ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public void forEach(Allocation aout) { 69ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams forEach(0, null, aout, null); 70ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 71ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 72ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 73ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Get a KernelID for this intrinsic kernel. 74ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 75ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @return Script.KernelID The KernelID object. 76ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 77ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public Script.KernelID getKernelID() { 78ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams return createKernelID(0, 2, null, null); 79ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 80ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 81ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 82ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Get a FieldID for the input field of this intrinsic. 83ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 84ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @return Script.FieldID The FieldID object. 85ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 86ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public Script.FieldID getFieldID_Input() { 87ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams return createFieldID(0, null); 88ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 89ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams} 90