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New sample for CUDA on Android added.

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This commit is contained in:
Alexander Smorkalov 2013-12-23 15:20:09 +04:00
parent 60906d9175
commit b3eee49451
14 changed files with 480 additions and 0 deletions
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4
samples/android/CMakeLists.txt
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@ -15,6 +15,10 @@ add_subdirectory(tutorial-1-camerapreview)
add_subdirectory(tutorial-2-mixedprocessing)
add_subdirectory(tutorial-3-cameracontrol)
if (HAVE_opencv_gpu)
add_subdirectory(tutorial-4-cuda)
endif()
add_subdirectory(native-activity)
# hello-android sample

8
samples/android/tutorial-4-cuda/.classpath Normal file
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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
<classpathentry kind="src" path="src"/>
<classpathentry kind="src" path="gen"/>
<classpathentry kind="output" path="bin/classes"/>
</classpath>

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samples/android/tutorial-4-cuda/.cproject Normal file
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<listOptionValue builtIn="false" value="&quot;${NDKROOT}/platforms/android-9/arch-arm/usr/include&quot;"/>
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<listOptionValue builtIn="false" value="&quot;${NDKROOT}/platforms/android-9/arch-arm/usr/include&quot;"/>
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</storageModule>
</cproject>

101
samples/android/tutorial-4-cuda/.project Normal file
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@ -0,0 +1,101 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>OpenCV Tutorial 4 - CUDA</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>auto,full,incremental,</triggers>
<arguments>
<dictionary>
<key>?name?</key>
<value></value>
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<key>org.eclipse.cdt.make.core.append_environment</key>
<value>true</value>
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<key>org.eclipse.cdt.make.core.autoBuildTarget</key>
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<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
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<natures>
<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
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4
samples/android/tutorial-4-cuda/.settings/org.eclipse.jdt.core.prefs Normal file
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@ -0,0 +1,4 @@
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
org.eclipse.jdt.core.compiler.compliance=1.6
org.eclipse.jdt.core.compiler.source=1.6

38
samples/android/tutorial-4-cuda/AndroidManifest.xml Normal file
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@ -0,0 +1,38 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.opencv.samples.tutorial4"
android:versionCode="21"
android:versionName="2.1">
<application
android:label="@string/app_name"
android:icon="@drawable/icon"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
<activity android:name="Tutorial4Activity"
android:label="@string/app_name"
android:screenOrientation="landscape"
android:configChanges="keyboardHidden|orientation">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<supports-screens android:resizeable="true"
android:smallScreens="true"
android:normalScreens="true"
android:largeScreens="true"
android:anyDensity="true" />
<uses-sdk android:minSdkVersion="8" />
<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature android:name="android.hardware.camera" android:required="false"/>
<uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
<uses-feature android:name="android.hardware.camera.front" android:required="false"/>
<uses-feature android:name="android.hardware.camera.front.autofocus" android:required="false"/>
</manifest>

16
samples/android/tutorial-4-cuda/CMakeLists.txt Normal file
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@ -0,0 +1,16 @@
set(sample example-tutorial-4-cuda)
ocv_check_dependencies(opencv_core opencv_java opencv_gpu)
if (OCV_DEPENDENCIES_FOUND)
if(BUILD_FAT_JAVA_LIB)
set(native_deps opencv_java opencv_gpu)
else()
set(native_deps opencv_gpu)
endif()
add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 11 ${ANDROID_SDK_TARGET} NATIVE_DEPS ${native_deps})
if(TARGET ${sample})
add_dependencies(opencv_android_examples ${sample})
endif()
endif()

13
samples/android/tutorial-4-cuda/jni/Android.mk Normal file
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@ -0,0 +1,13 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
CUDA_TOOLKIT_DIR=$(CUDA_TOOLKIT_ROOT)
include ../../sdk/native/jni/OpenCV.mk
LOCAL_MODULE := cuda_sample
LOCAL_SRC_FILES := jni_part.cpp
LOCAL_LDLIBS += -llog -ldl
LOCAL_LDFLAGS += -Os
include $(BUILD_SHARED_LIBRARY)

4
samples/android/tutorial-4-cuda/jni/Application.mk Normal file
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@ -0,0 +1,4 @@
APP_STL := gnustl_static
APP_CPPFLAGS := -frtti -fexceptions
APP_ABI := armeabi-v7a
APP_PLATFORM := android-8

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samples/android/tutorial-4-cuda/jni/jni_part.cpp Normal file
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@ -0,0 +1,35 @@
#include <jni.h>
#include <opencv2/core/core.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/features2d/features2d.hpp>
#include <opencv2/gpu/gpu.hpp>
#include <vector>
using namespace std;
using namespace cv;
using namespace cv::gpu;
#include <android/log.h>
#define LOG_TAG "Cuda"
#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
extern "C" {
JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Tutorial4Activity_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba);
JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Tutorial4Activity_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba)
{
Mat& mGr = *(Mat*)addrGray;
Mat& mRgb = *(Mat*)addrRgba;
vector<KeyPoint> keypoints;
GpuMat grGpu(mGr);
FAST_GPU fast(50);
fast(grGpu, GpuMat(), keypoints);
for( unsigned int i = 0; i < keypoints.size(); i++ )
{
const KeyPoint& kp = keypoints[i];
circle(mRgb, Point(kp.pt.x, kp.pt.y), 10, Scalar(255,0,0,255));
}
}
}

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samples/android/tutorial-4-cuda/res/layout/tutorial4_surface_view.xml Normal file
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@ -0,0 +1,11 @@
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<org.opencv.android.JavaCameraView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/tutorial4_activity_surface_view" />
</LinearLayout>

4
samples/android/tutorial-4-cuda/res/values/strings.xml Normal file
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@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">OCV T4 CUDA</string>
</resources>

166
samples/android/tutorial-4-cuda/src/org/opencv/samples/tutorial4/Tutorial4Activity.java Normal file
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@ -0,0 +1,166 @@
package org.opencv.samples.tutorial4;
import org.opencv.android.BaseLoaderCallback;
import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
import org.opencv.android.LoaderCallbackInterface;
import org.opencv.android.OpenCVLoader;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.android.CameraBridgeViewBase;
import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2;
import org.opencv.imgproc.Imgproc;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
public class Tutorial4Activity extends Activity implements CvCameraViewListener2 {
private static final String TAG = "OCVSample::Activity";
private static final int VIEW_MODE_RGBA = 0;
private static final int VIEW_MODE_GRAY = 1;
private static final int VIEW_MODE_CANNY = 2;
private static final int VIEW_MODE_FEATURES = 5;
private int mViewMode;
private Mat mRgba;
private Mat mIntermediateMat;
private Mat mGray;
private MenuItem mItemPreviewRGBA;
private MenuItem mItemPreviewGray;
private MenuItem mItemPreviewCanny;
private MenuItem mItemPreviewFeatures;
private CameraBridgeViewBase mOpenCvCameraView;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "OpenCV loaded successfully");
// Load native library after(!) OpenCV initialization
System.loadLibrary("cuda_sample");
mOpenCvCameraView.enableView();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
public Tutorial4Activity() {
Log.i(TAG, "Instantiated new " + this.getClass());
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "called onCreate");
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.tutorial4_surface_view);
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial4_activity_surface_view);
mOpenCvCameraView.setCvCameraViewListener(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Log.i(TAG, "called onCreateOptionsMenu");
mItemPreviewRGBA = menu.add("Preview RGBA");
mItemPreviewGray = menu.add("Preview GRAY");
mItemPreviewCanny = menu.add("Canny");
mItemPreviewFeatures = menu.add("Find features");
return true;
}
@Override
public void onPause()
{
super.onPause();
if (mOpenCvCameraView != null)
mOpenCvCameraView.disableView();
}
@Override
public void onResume()
{
super.onResume();
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_8, this, mLoaderCallback);
}
public void onDestroy() {
super.onDestroy();
if (mOpenCvCameraView != null)
mOpenCvCameraView.disableView();
}
public void onCameraViewStarted(int width, int height) {
mRgba = new Mat(height, width, CvType.CV_8UC4);
mIntermediateMat = new Mat(height, width, CvType.CV_8UC4);
mGray = new Mat(height, width, CvType.CV_8UC1);
}
public void onCameraViewStopped() {
mRgba.release();
mGray.release();
mIntermediateMat.release();
}
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
final int viewMode = mViewMode;
switch (viewMode) {
case VIEW_MODE_GRAY:
// input frame has gray scale format
Imgproc.cvtColor(inputFrame.gray(), mRgba, Imgproc.COLOR_GRAY2RGBA, 4);
break;
case VIEW_MODE_RGBA:
// input frame has RBGA format
mRgba = inputFrame.rgba();
break;
case VIEW_MODE_CANNY:
// input frame has gray scale format
mRgba = inputFrame.rgba();
Imgproc.Canny(inputFrame.gray(), mIntermediateMat, 80, 100);
Imgproc.cvtColor(mIntermediateMat, mRgba, Imgproc.COLOR_GRAY2RGBA, 4);
break;
case VIEW_MODE_FEATURES:
// input frame has RGBA format
mRgba = inputFrame.rgba();
mGray = inputFrame.gray();
FindFeatures(mGray.getNativeObjAddr(), mRgba.getNativeObjAddr());
break;
}
return mRgba;
}
public boolean onOptionsItemSelected(MenuItem item) {
Log.i(TAG, "called onOptionsItemSelected; selected item: " + item);
if (item == mItemPreviewRGBA) {
mViewMode = VIEW_MODE_RGBA;
} else if (item == mItemPreviewGray) {
mViewMode = VIEW_MODE_GRAY;
} else if (item == mItemPreviewCanny) {
mViewMode = VIEW_MODE_CANNY;
} else if (item == mItemPreviewFeatures) {
mViewMode = VIEW_MODE_FEATURES;
}
return true;
}
public native void FindFeatures(long matAddrGr, long matAddrRgba);
}