97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
#include "image_pool.h"
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#include "yuv420sp2rgb.h"
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#include <android/log.h>
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#include <opencv2/imgproc/imgproc.hpp>
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#define LOG_TAG "libandroid-opencv"
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#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
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#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
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JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved)
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{
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JNIEnv *env;
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LOGI("JNI_OnLoad called for opencv");
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return JNI_VERSION_1_4;
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}
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JNIEXPORT void JNICALL Java_com_opencv_jni_opencvJNI_addYUVtoPool(JNIEnv * env,
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jclass thiz, jlong ppool, jobject _jpool, jbyteArray jbuffer,
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jint jidx, jint jwidth, jint jheight, jboolean jgrey) {
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image_pool *pool = (image_pool *) ppool;
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Ptr<Mat> mat = pool->getYUV(jidx);
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if (mat.empty() || mat->cols != jwidth || mat->rows != jheight * 2) {
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//pool->deleteGrey(jidx);
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mat = new Mat(jheight * 2, jwidth, CV_8UC1);
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}
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jsize sz = env->GetArrayLength(jbuffer);
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uchar* buff = mat->ptr<uchar> (0);
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env->GetByteArrayRegion(jbuffer, 0, sz, (jbyte*) buff);
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pool->addYUVMat(jidx, mat);
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Ptr<Mat> color = pool->getImage(jidx);
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if (color.empty() || color->cols != jwidth || color->rows != jheight) {
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//pool->deleteImage(jidx);
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color = new Mat(jheight, jwidth, CV_8UC3);
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}
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if (!jgrey) {
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//doesn't work unfortunately..
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//cvtColor(*mat,*color, CV_YCrCb2RGB);
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color_convert_common(buff, buff + jwidth * jheight, jwidth, jheight,
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color->ptr<uchar> (0), false);
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}
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if (jgrey) {
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Mat grey;
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pool->getGrey(jidx, grey);
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cvtColor(grey, *color, CV_GRAY2RGB);
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}
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pool->addImage(jidx, color);
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}
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image_pool::image_pool() {
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}
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image_pool::~image_pool() {
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__android_log_print(ANDROID_LOG_INFO, "image_pool", "destructor called");
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}
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cv::Ptr<Mat> image_pool::getImage(int i) {
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return imagesmap[i];
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}
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void image_pool::getGrey(int i, Mat & grey) {
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cv::Ptr<Mat> tm = yuvImagesMap[i];
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if (tm.empty())
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return;
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grey = (*tm)(Range(0, tm->rows / 2), Range::all());
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}
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cv::Ptr<Mat> image_pool::getYUV(int i) {
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return yuvImagesMap[i];
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}
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void image_pool::addYUVMat(int i, cv::Ptr<Mat> mat) {
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yuvImagesMap[i] = mat;
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}
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void image_pool::addImage(int i, cv::Ptr<Mat> mat) {
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imagesmap[i] = mat;
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}
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