1 /* 2 * Copyright (C) 2012 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 17 package com.android.rs.livepreview; 18 19 import android.app.Activity; 20 import android.graphics.Bitmap; 21 import android.graphics.BitmapFactory; 22 import android.graphics.Canvas; 23 import android.os.Bundle; 24 import android.graphics.SurfaceTexture; 25 import android.renderscript.Allocation; 26 import android.renderscript.Matrix3f; 27 import android.renderscript.RenderScript; 28 import android.util.Log; 29 import android.view.TextureView; 30 import android.view.View; 31 32 import android.content.res.Resources; 33 import android.renderscript.*; 34 35 import android.graphics.Bitmap; 36 37 public class RsYuv 38 { 39 private int mHeight; 40 private int mWidth; 41 private RenderScript mRS; 42 private Allocation mAllocationOut; 43 private Allocation mAllocationIn; 44 private ScriptC_yuv mScript; 45 private ScriptIntrinsicYuvToRGB mYuv; 46 47 RsYuv(RenderScript rs, Resources res, int width, int height) { 48 mHeight = height; 49 mWidth = width; 50 mRS = rs; 51 mScript = new ScriptC_yuv(mRS, res, R.raw.yuv); 52 mScript.invoke_setSize(mWidth, mHeight); 53 54 mYuv = ScriptIntrinsicYuvToRGB.create(rs, Element.RGBA_8888(mRS)); 55 56 Type.Builder tb = new Type.Builder(mRS, Element.RGBA_8888(mRS)); 57 tb.setX(mWidth); 58 tb.setY(mHeight); 59 60 mAllocationOut = Allocation.createTyped(rs, tb.create()); 61 mAllocationIn = Allocation.createSized(rs, Element.U8(mRS), (mHeight * mWidth) + 62 ((mHeight / 2) * (mWidth / 2) * 2)); 63 64 mYuv.setInput(mAllocationIn); 65 } 66 67 private long mTiming[] = new long[50]; 68 private int mTimingSlot = 0; 69 70 void execute(byte[] yuv, Bitmap b) { 71 mAllocationIn.copyFrom(yuv); 72 mYuv.forEach(mAllocationOut); 73 mScript.forEach_root(mAllocationOut, mAllocationOut); 74 mAllocationOut.copyTo(b); 75 } 76 77 } 78 79
