pa_tagstruct_put_boolean(t, has_volume);
pa_tagstruct_put_boolean(t, s->volume_writable);
pa_tagstruct_put_format_info(t, s->format);
pa_tagstruct_put_boolean(t, has_volume);
pa_tagstruct_put_boolean(t, s->volume_writable);
pa_tagstruct_put_format_info(t, s->format);