static jbyteArray
android_media_MediaScanner_extractAlbumArt(JNIEnv *env, jobject thiz, jobject fileDescriptor)
{
MediaScanner *mp = (MediaScanner *)env->GetIntField(thiz, fields.context);
if (fileDescriptor == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return NULL;
}
int fd = getParcelFileDescriptorFD(env, fileDescriptor);
char* data = mp->extractAlbumArt(fd);
if (!data) {
return NULL;
}
long len = *((long*)data);
jbyteArray array = env->NewByteArray(len);
if (array != NULL) {
jbyte* bytes = env->GetByteArrayElements(array, NULL);
memcpy(bytes, data + 4, len);
env->ReleaseByteArrayElements(array, bytes, 0);
}
done:
free(data);
// if NewByteArray() returned NULL, an out-of-memory
// exception will have been raised. I just want to
// return null in that case.
env->ExceptionClear();
return array;
}
static jbyteArray
android_media_MediaScanner_extractAlbumArt(
JNIEnv *env, jobject thiz, jobject fileDescriptor)
{
LOGV("extractAlbumArt");
MediaScanner *mp = getNativeScanner_l(env, thiz);
if (mp == NULL) {
jniThrowException(env, kRunTimeException, "No scanner available");
return NULL;
}
if (fileDescriptor == NULL) {
jniThrowException(env, kIllegalArgumentException, NULL);
return NULL;
}
int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
char* data = mp->extractAlbumArt(fd);
if (!data) {
return NULL;
}
long len = *((long*)data);
jbyteArray array = env->NewByteArray(len);
if (array != NULL) {
jbyte* bytes = env->GetByteArrayElements(array, NULL);
memcpy(bytes, data + 4, len);
env->ReleaseByteArrayElements(array, bytes, 0);
}
done:
free(data);
// if NewByteArray() returned NULL, an out-of-memory
// exception will have been raised. I just want to
// return null in that case.
env->ExceptionClear();
return array;
}
