--- /dev/null
+/*
+ * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#ifndef METADATA_BUCKET_H
+#define METADATA_BUCKET_H
+
+#include <common/consumer/consumer.h>
+
+struct metadata_bucket;
+
+typedef ssize_t (*metadata_bucket_flush_cb)(
+ const struct stream_subbuffer *buffer, void *data);
+
+enum metadata_bucket_status {
+ METADATA_BUCKET_STATUS_OK,
+ METADATA_BUCKET_STATUS_ERROR,
+};
+
+struct metadata_bucket *metadata_bucket_create(
+ metadata_bucket_flush_cb flush, void *data);
+
+void metadata_bucket_destroy(struct metadata_bucket *bucket);
+
+enum metadata_bucket_status metadata_bucket_fill(struct metadata_bucket *bucket,
+ const struct stream_subbuffer *buffer);
+
+void metadata_bucket_reset(struct metadata_bucket *bucket);
+
+#endif /* METADATA_BUCKET_H */
+