| /* |
| * Copyright (C) 2013 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 implements TextureView.SurfaceTextureListener |
| { |
| private int mHeight; |
| private int mWidth; |
| private RenderScript mRS; |
| private Allocation mAllocationOut; |
| private Allocation mAllocationIn; |
| private ScriptC_yuv mScript; |
| private ScriptIntrinsicYuvToRGB mYuv; |
| private boolean mHaveSurface; |
| private SurfaceTexture mSurface; |
| private ScriptGroup mGroup; |
| |
| RsYuv(RenderScript rs) { |
| mRS = rs; |
| mScript = new ScriptC_yuv(mRS); |
| mYuv = ScriptIntrinsicYuvToRGB.create(rs, Element.RGBA_8888(mRS)); |
| } |
| |
| void setupSurface() { |
| if (mAllocationOut != null) { |
| mAllocationOut.setSurfaceTexture(mSurface); |
| } |
| if (mSurface != null) { |
| mHaveSurface = true; |
| } else { |
| mHaveSurface = false; |
| } |
| } |
| |
| void reset(int width, int height) { |
| if (mAllocationOut != null) { |
| mAllocationOut.destroy(); |
| } |
| |
| android.util.Log.v("cpa", "reset " + width + ", " + height); |
| mHeight = height; |
| mWidth = width; |
| mScript.invoke_setSize(mWidth, mHeight); |
| |
| Type.Builder tb = new Type.Builder(mRS, Element.RGBA_8888(mRS)); |
| tb.setX(mWidth); |
| tb.setY(mHeight); |
| Type t = tb.create(); |
| mAllocationOut = Allocation.createTyped(mRS, t, Allocation.USAGE_SCRIPT | |
| Allocation.USAGE_IO_OUTPUT); |
| mAllocationIn = Allocation.createSized(mRS, Element.U8(mRS), (mHeight * mWidth) + |
| ((mHeight / 2) * (mWidth / 2) * 2)); |
| mYuv.setInput(mAllocationIn); |
| setupSurface(); |
| |
| |
| ScriptGroup.Builder b = new ScriptGroup.Builder(mRS); |
| b.addKernel(mScript.getKernelID_root()); |
| b.addKernel(mYuv.getKernelID()); |
| b.addConnection(t, mYuv.getKernelID(), mScript.getKernelID_root()); |
| mGroup = b.create(); |
| } |
| |
| public int getWidth() { |
| return mWidth; |
| } |
| public int getHeight() { |
| return mHeight; |
| } |
| |
| private long mTiming[] = new long[50]; |
| private int mTimingSlot = 0; |
| |
| void execute(byte[] yuv) { |
| mAllocationIn.copyFrom(yuv); |
| if (mHaveSurface) { |
| mGroup.setOutput(mScript.getKernelID_root(), mAllocationOut); |
| mGroup.execute(); |
| |
| //mYuv.forEach(mAllocationOut); |
| //mScript.forEach_root(mAllocationOut, mAllocationOut); |
| mAllocationOut.ioSendOutput(); |
| } |
| } |
| |
| |
| |
| @Override |
| public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { |
| android.util.Log.v("cpa", "onSurfaceTextureAvailable " + surface); |
| mSurface = surface; |
| setupSurface(); |
| } |
| |
| @Override |
| public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { |
| android.util.Log.v("cpa", "onSurfaceTextureSizeChanged " + surface); |
| mSurface = surface; |
| setupSurface(); |
| } |
| |
| @Override |
| public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { |
| android.util.Log.v("cpa", "onSurfaceTextureDestroyed " + surface); |
| mSurface = surface; |
| setupSurface(); |
| return true; |
| } |
| |
| @Override |
| public void onSurfaceTextureUpdated(SurfaceTexture surface) { |
| } |
| } |
| |