static jobject wseemann_media_FFmpegMediaMetadataRetriever_extractMetadata(JNIEnv *env, jobject thiz, jstring jkey)
{
//__android_log_write(ANDROID_LOG_INFO, LOG_TAG, "extractMetadata");
MediaMetadataRetriever* retriever = getRetriever(env, thiz);
if (retriever == 0) {
jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
return NULL;
}
if (!jkey) {
jniThrowException(env, "java/lang/IllegalArgumentException", "Null pointer");
return NULL;
}
const char *key = env->GetStringUTFChars(jkey, NULL);
if (!key) { // OutOfMemoryError exception already thrown
return NULL;
}
const char* value = retriever->extractMetadata(key);
if (!value) {
//__android_log_write(ANDROID_LOG_INFO, LOG_TAG, "extractMetadata: Metadata is not found");
return NULL;
}
//__android_log_print(ANDROID_LOG_INFO, LOG_TAG, "extractMetadata: value (%s) for keyCode(%s)", value, key);
env->ReleaseStringUTFChars(jkey, key);
return NewStringUTF(env, value);
}
static jobject android_media_MediaMetadataRetriever_extractMetadata(JNIEnv *env, jobject thiz, jint keyCode)
{
ALOGV("extractMetadata");
MediaMetadataRetriever* retriever = getRetriever(env, thiz);
if (retriever == 0) {
jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
return NULL;
}
const char* value = retriever->extractMetadata(keyCode);
if (!value) {
ALOGV("extractMetadata: Metadata is not found");
return NULL;
}
ALOGV("extractMetadata: value (%s) for keyCode(%d)", value, keyCode);
return env->NewStringUTF(value);
}