GstStructure *gst_pulse_make_structure (pa_proplist *properties);
GstCaps * gst_pulse_format_info_to_caps (pa_format_info * format);
+
+#ifdef __TIZEN__
+void gst_pulse_set_volume_ratio (uint32_t stream_index, const char *direction, double ratio);
+#endif
GstCaps * gst_pulse_fix_pcm_caps (GstCaps * incaps);
#endif