adding cmake based android scripts and a reusable android library - samples to follow - haven't tested yet completely

android/android-jni/jni/image_pool.h

@@ -0,0 +1,62 @@
+#ifndef IMAGE_POOL_H
+#define IMAGE_POOL_H
+#include <opencv2/core/core.hpp>
+#include <jni.h>
+#include <map>
+using namespace cv;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+//
+//JNIEXPORT jobject JNICALL Java_com_opencv_jni_opencvJNI_getBitmapBuffer(
+//		JNIEnv *jenv, jclass jcls, jlong jarg1, jobject jarg1_);
+
+
+JNIEXPORT void JNICALL Java_com_opencv_jni_opencvJNI_addYUVtoPool
+  (JNIEnv *, jclass, jlong, jobject, jbyteArray, jint, jint, jint, jboolean);
+
+#ifdef __cplusplus
+}
+#endif
+
+//bool yuv2mat2(char *data, int size, int width, int height, bool grey, Mat& mat);
+
+
+class image_pool {
+	std::map<int, Ptr< Mat> > imagesmap;
+	std::map<int, Ptr< Mat> > yuvImagesMap;
+	//uchar * mbuffer;
+	//int length;
+public:
+	image_pool();
+	~image_pool();
+	cv::Ptr<Mat> getImage(int i);
+
+	void getGrey(int i, Mat & grey);
+	cv::Ptr<Mat> getYUV(int i);
+
+	int getCount(){
+		return imagesmap.size();
+	}
+
+	void addImage(int i, Ptr< Mat> mat);
+	/** this function stores the given matrix in the the yuvImagesMap. Also,
+	 * after this call getGrey will work, as the grey image is just the top
+	 * half of the YUV mat.
+	 *
+	 * \param i index to store yuv image at
+	 * \param mat the yuv matrix to store
+	 */
+	void addYUVMat(int i, Ptr< Mat> mat);
+
+
+	int addYUV(uchar* buffer, int size, int width, int height, bool grey,int idx);
+
+	void getBitmap(int * outintarray, int size, int idx);
+
+
+};
+#endif