--- /dev/null
+#include <ogg/ogg.h>
+#include <regex.h>
+
+#include "para.h"
+#include "afh.h"
+#include "error.h"
+#include "portable_io.h"
+#include "string.h"
+#include "opus_common.h"
+#include "ogg_afh_common.h"
+/**
+ * The init function of the ogg/opus audio format handler.
+ *
+ * \param afh Pointer to the struct to initialize.
+ */
+void opus_afh_init(struct audio_format_handler *afh)
+{
+
+}