+ unsigned pi_new_size[XIPH_MAX_HEADER_COUNT];
+ void *pp_new_data[XIPH_MAX_HEADER_COUNT];
+ unsigned i_new_count;
+ if( xiph_SplitHeaders(pi_new_size, pp_new_data, &i_new_count, p_new->i_extra, p_new->p_extra ) )
+ i_new_count = 0;
+
+ unsigned pi_old_size[XIPH_MAX_HEADER_COUNT];
+ void *pp_old_data[XIPH_MAX_HEADER_COUNT];
+ unsigned i_old_count;
+ if( xiph_SplitHeaders(pi_old_size, pp_old_data, &i_old_count, p_old->i_extra, p_old->p_extra ) )
+ i_old_count = 0;
+
+ bool b_match = i_new_count == i_old_count;
+ for( unsigned i = 0; i < i_new_count && b_match; i++ )