| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License 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 com.android.rs.livepreview; |
| |
| import android.app.Activity; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.os.Bundle; |
| import android.graphics.SurfaceTexture; |
| import android.renderscript.Allocation; |
| import android.renderscript.Matrix3f; |
| import android.renderscript.RenderScript; |
| import android.util.Log; |
| import android.view.TextureView; |
| import android.view.View; |
| |
| import android.content.res.Resources; |
| import android.renderscript.*; |
| |
| import android.graphics.Bitmap; |
| |
| public class RsYuv |
| { |
| private int mHeight; |
| private int mWidth; |
| private RenderScript mRS; |
| private Allocation mAllocationOut; |
| private Allocation mAllocationIn; |
| private ScriptC_yuv mScript; |
| private ScriptIntrinsicYuvToRGB mYuv; |
| |
| RsYuv(RenderScript rs, Resources res, int width, int height) { |
| mHeight = height; |
| mWidth = width; |
| mRS = rs; |
| mScript = new ScriptC_yuv(mRS, res, R.raw.yuv); |
| mScript.invoke_setSize(mWidth, mHeight); |
| |
| mYuv = ScriptIntrinsicYuvToRGB.create(rs, Element.RGBA_8888(mRS)); |
| |
| Type.Builder tb = new Type.Builder(mRS, Element.RGBA_8888(mRS)); |
| tb.setX(mWidth); |
| tb.setY(mHeight); |
| |
| mAllocationOut = Allocation.createTyped(rs, tb.create()); |
| mAllocationIn = Allocation.createSized(rs, Element.U8(mRS), (mHeight * mWidth) + |
| ((mHeight / 2) * (mWidth / 2) * 2)); |
| |
| mYuv.setInput(mAllocationIn); |
| } |
| |
| private long mTiming[] = new long[50]; |
| private int mTimingSlot = 0; |
| |
| void execute(byte[] yuv, Bitmap b) { |
| mAllocationIn.copyFrom(yuv); |
| mYuv.forEach(mAllocationOut); |
| mScript.forEach_root(mAllocationOut, mAllocationOut); |
| mAllocationOut.copyTo(b); |
| } |
| |
| } |
| |