JNI 返回 jbyteArray

//JNI 返回 jbyteArray

      JNIEXPORT jbyteArray JNICALL  Java_com_powervision_videolib_jni_JniNatives_native_1getFrame2
        (JNIEnv *env, jclass thiz, jint obj) {
         LOGI("Enter native_getFrame2");
      LOGI("1");
         size_t size = 0;
         Transfer *transfer = (Transfer *)obj;
         if(!transfer) {
            return NULL;
         }
         nalu_package *nal_pkg = transfer->getFrame();
         if(!nal_pkg) {
            return NULL;
         }
         LOGI("nalu_pkg: %p", nal_pkg);
         size = nal_pkg->size;
         uint8_t *buf = (uint8_t *)nal_pkg->nalu;
         if(size>0) {
            LOGI("Get frame 2: %d", size);
            jbyteArray array = env->NewByteArray(2);//size);
            LOGI("Sizeof buf: %d", sizeof(buf));
            env->SetByteArrayRegion(array, 0,  size, (jbyte *)buf);
            //if(nal_pkg->nalu)
            // free(nal_pkg->nalu);
      LOGI("7");
            //return array;
            return NULL;
         } else {
            LOGI("Get no frame");
            return NULL;
         }
        }
  
 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/61419602