JNIEXPORT jobject JNICALL Java_org_videolan_Libbluray_getBdjoN(JNIEnv * env,
jclass cls, jlong np, jstring name) {
BDJAVA* bdj = (BDJAVA*)(intptr_t)np;
const char *bdjo_name = (*env)->GetStringUTFChars(env, name, NULL);;
char* bdjo_path = str_printf("%s%s/%s.bdjo", bdj->path, BDJ_BDJO_PATH, bdjo_name);
(*env)->ReleaseStringUTFChars(env, name, bdjo_name);
jobject bdjo = bdjo_read(env, bdjo_path);
X_FREE(bdjo_path);
return bdjo;
}
BDJAVA* bdj_open(const char *path, const char* start, void* bd, void* registers)
{
// first load the jvm using dlopen
void* jvm_lib = load_jvm();
if (!jvm_lib) {
BD_DEBUG(DBG_BDJ | DBG_CRIT, "Wasn't able to load libjvm.so\n");
return NULL;
}
BDJAVA* bdjava = malloc(sizeof(BDJAVA));
bdjava->bd = bd;
bdjava->reg = registers;
JavaVMInitArgs args;
// check if overriding the classpath
const char* classpath = getenv("LIBBLURAY_CP");
if (classpath == NULL)
classpath = BDJ_CLASSPATH;
// determine classpath
char* classpath_opt = str_printf("-Djava.class.path=%s", classpath);
JavaVMOption* option = malloc(sizeof(JavaVMOption) * 1);
option[0].optionString = classpath_opt;
args.version = JNI_VERSION_1_6;
args.nOptions = 1;
args.options = option;
args.ignoreUnrecognized = JNI_FALSE; // don't ignore unrecognized options
fptr_JNI_CreateJavaVM JNI_CreateJavaVM_fp = (fptr_JNI_CreateJavaVM)dl_dlsym(jvm_lib,
"JNI_CreateJavaVM");
if (JNI_CreateJavaVM_fp == NULL) {
free(bdjava);
free(option);
free(classpath_opt);
BD_DEBUG(DBG_BDJ | DBG_CRIT, "Couldn't find symbol JNI_CreateJavaVM.\n");
return NULL;
}
int result = JNI_CreateJavaVM_fp(&bdjava->jvm, (void**) &bdjava->env, &args);
free(option);
free(classpath_opt);
if (result != JNI_OK || !bdjava->env) {
free(bdjava);
BD_DEBUG(DBG_BDJ | DBG_CRIT, "Failed to create new Java VM.\n");
return NULL;
}
// determine path of bdjo file to load
char* bdjo_path = str_printf("%s%s/%s.bdjo", path, BDJ_BDJO_PATH, start);
jobject bdjo = bdjo_read(bdjava->env, bdjo_path);
free(bdjo_path);
if (!bdjo) {
free(bdjava);
BD_DEBUG(DBG_BDJ | DBG_CRIT, "Failed to load BDJO file.\n");
return NULL;
}
if (start_xlet(bdjava->env, path, bdjo, bdjava) == BDJ_ERROR) {
free(bdjava);
BD_DEBUG(DBG_BDJ | DBG_CRIT, "Failed to start BDJ program.\n");
return NULL;
}
return bdjava;
}
