From da315cfe9dcff36827dcf3cbaff53d823a4d228b Mon Sep 17 00:00:00 2001 From: Jack Yoo Date: Thu, 25 Aug 2016 11:17:57 -0700 Subject: SnapdragonCamera: Chromaflash Filter Adding Chromaflash Filter for Camera2 Change-Id: I04b399abe26a3fdcdc91240036a683711b21f8a8 CRs-Fixed: 1067848 --- .../imageprocessor/filter/ChromaflashFilter.java | 194 +++++++++++++++++++++ 1 file changed, 194 insertions(+) create mode 100644 src/com/android/camera/imageprocessor/filter/ChromaflashFilter.java (limited to 'src/com/android/camera/imageprocessor/filter') diff --git a/src/com/android/camera/imageprocessor/filter/ChromaflashFilter.java b/src/com/android/camera/imageprocessor/filter/ChromaflashFilter.java new file mode 100644 index 000000000..4f54eb108 --- /dev/null +++ b/src/com/android/camera/imageprocessor/filter/ChromaflashFilter.java @@ -0,0 +1,194 @@ +/* +Copyright (c) 2016, The Linux Foundation. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + * Neither the name of The Linux Foundation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package com.android.camera.imageprocessor.filter; + +import android.graphics.Rect; +import android.hardware.camera2.CameraAccessException; +import android.hardware.camera2.CameraCaptureSession; +import android.hardware.camera2.CameraCharacteristics; +import android.hardware.camera2.CaptureRequest; +import android.hardware.camera2.CaptureResult; +import android.os.Handler; +import android.util.Log; + +import com.android.camera.CaptureModule; + +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.List; + +public class ChromaflashFilter implements ImageFilter{ + public static final int NUM_REQUIRED_IMAGE = 3; + private int mWidth; + private int mHeight; + private int mStrideY; + private int mStrideVU; + private static String TAG = "ChromaflashFilter"; + private static final boolean DEBUG = false; + private static boolean mIsSupported = false; + private ByteBuffer mOutBuf; + private CaptureModule mModule; + private int mImageNum = -1; + + private static void Log(String msg) { + if(DEBUG) { + Log.d(TAG, msg); + } + } + public ChromaflashFilter(CaptureModule module) { + mModule = module; + } + + @Override + public List setRequiredImages(CaptureRequest.Builder builder) { + return null; + } + + @Override + public String getStringName() { + return TAG; + } + + @Override + public int getNumRequiredImage() { + return NUM_REQUIRED_IMAGE; + } + + @Override + public void init(int width, int height, int strideY, int strideVU) { + Log("init"); + mWidth = width/2*2; + mHeight = height/2*2; + mStrideY = strideY/2*2; + mStrideVU = strideVU/2*2; + mOutBuf = ByteBuffer.allocate(mStrideY*mHeight*3/2); + mImageNum = -1; + Log("width: "+mWidth+" height: "+mHeight+" strideY: "+mStrideY+" strideVU: "+mStrideVU); + nativeInit(mWidth, mHeight, mStrideY, mStrideVU, + 0, 0, mWidth, mHeight, NUM_REQUIRED_IMAGE); + } + + @Override + public void deinit() { + Log("deinit"); + mOutBuf = null; + mImageNum = -1; + nativeDeinit(); + } + + @Override + public void addImage(ByteBuffer bY, ByteBuffer bVU, int imageNum, Object param) { + Log("addImage"); + int yActualSize = bY.remaining(); + int vuActualSize = bVU.remaining(); + mImageNum = imageNum; + int status = nativeAddImage(bY, bVU, yActualSize, vuActualSize, imageNum); + if(status != 0) { + Log.e(TAG, "Fail to add image"); + } + } + + @Override + public ResultImage processImage() { + Log("processImage "); + int[] roi = new int[4]; + int status = nativeProcessImage(mOutBuf.array(), roi); + Log("processImage done"); + mImageNum = -1; + if(status < 0) { //In failure case, library will return the first image as it is. + Log.w(TAG, "Fail to process the image."); + } + return new ResultImage(mOutBuf, new Rect(roi[0], roi[1], roi[0]+roi[2], roi[1] + roi[3]), mWidth, mHeight, mStrideY); + } + + @Override + public boolean isSupported() { + return mIsSupported; + } + + @Override + public boolean isFrameListener() { + return false; + } + + @Override + public boolean isManualMode() { + return true; + } + + @Override + public void manualCapture(CaptureRequest.Builder builder, CameraCaptureSession captureSession, + CameraCaptureSession.CaptureCallback callback, Handler handler) throws CameraAccessException { + for(int i=0; i < NUM_REQUIRED_IMAGE; i++) { + if(i == 1) { + waitTillGetImage(0); + mModule.setFlashModeToPreview(mModule.getMainCameraId(), true); + builder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON); + builder.set(CaptureRequest.FLASH_MODE, CaptureRequest.FLASH_MODE_SINGLE); + } else { + if(i == 2) { + waitTillGetImage(1); + } + mModule.setFlashModeToPreview(mModule.getMainCameraId(), false); + builder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON); + builder.set(CaptureRequest.FLASH_MODE, CaptureRequest.FLASH_MODE_OFF); + } + captureSession.capture(builder.build(), callback, handler); + } + } + + private void waitTillGetImage(int imageNum) { + while(mImageNum < imageNum) { + try { + Thread.sleep(10); + } catch (InterruptedException e) { + } + } + } + + public static boolean isSupportedStatic() { + return mIsSupported; + } + + private native int nativeInit(int width, int height, int yStride, int vuStride, + int roiX, int roiY, int roiW, int roiH, int numImages); + private native int nativeDeinit(); + private native int nativeAddImage(ByteBuffer yB, ByteBuffer vuB, int ySize, int vuSize, int imageNum); + private native int nativeProcessImage(byte[] buffer, int[] roi); + + static { + try { + System.loadLibrary("jni_chromaflash"); + mIsSupported = true; + }catch(UnsatisfiedLinkError e) { + Log.d(TAG, e.toString()); + mIsSupported = false; + } + } +} -- cgit v1.2.3