diff --git a/include/tinycompress/tinycompress.h b/include/tinycompress/tinycompress.h
index 9f95b87..0ab7134 100644
--- a/include/tinycompress/tinycompress.h
+++ b/include/tinycompress/tinycompress.h
@@ -82,6 +82,10 @@
 struct compress;
 struct snd_compr_tstamp;
 
+#ifdef ENABLE_EXTENDED_COMPRESS_FORMAT
+union snd_codec_options;
+struct snd_compr_metadata;
+#endif
 /*
  * compress_open: open a new compress stream
  * returns the valid struct compress on success, NULL on failure
@@ -235,6 +239,20 @@
 int compress_set_gapless_metadata(struct compress *compress,
 			struct compr_gapless_mdata *mdata);
 
+#ifdef ENABLE_EXTENDED_COMPRESS_FORMAT
+/*
+ * compress_set_next_track_param: set params of next compress stream in gapless
+ *
+ * return 0 on success, negative on error
+ *
+ * @compress: compress stream for which codec options has to be set
+ * @codec_options: codec options of compress stream based on codec type
+ */
+
+int compress_set_next_track_param(struct compress *compress,
+			union snd_codec_options *codec_options);
+#endif
+
 /*
  * is_codec_supported:check if the given codec is supported
  * returns true when supported, false if not
@@ -291,6 +309,15 @@
 /* utility functions */
 unsigned int compress_get_alsa_rate(unsigned int rate);
 
+#ifdef ENABLE_EXTENDED_COMPRESS_FORMAT
+/* set metadata */
+int compress_set_metadata(struct compress *compress,
+	    struct snd_compr_metadata *mdata);
+
+/* get metadata */
+int compress_get_metadata(struct compress *compress,
+	    struct snd_compr_metadata *mdata);
+#endif
 
 #if defined(__cplusplus)
 }