diff --git a/eit_desc.c b/eit_desc.c
index 89193bf..844314d 100644
--- a/eit_desc.c
+++ b/eit_desc.c
@@ -22,9 +22,7 @@ static void ts_eit_regenerate_packet_data(struct ts_eit *eit) {
 	free(ts_packets);
 }
 
-struct ts_eit *ts_eit_alloc_init(uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t table_id, uint8_t sec_number, uint8_t last_sec_number) {
-	struct ts_eit *eit = ts_eit_alloc();
-
+struct ts_eit *ts_eit_init(struct ts_eit *eit, uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t table_id, uint8_t sec_number, uint8_t last_sec_number) {
 	eit->ts_header.pid            = 0x12;
 	eit->ts_header.pusi           = 1;
 	eit->ts_header.payload_field  = 1;
@@ -48,6 +46,8 @@ struct ts_eit *ts_eit_alloc_init(uint16_t service_id, uint16_t transport_stream_
 	eit->segment_last_section_number = 0;						// 8 bits
 	eit->last_table_id               = table_id;				// 8 bits
 
+	eit->streams_num = 0;
+
 	eit->initialized = 1;
 
 	ts_eit_regenerate_packet_data(eit);
@@ -55,6 +55,14 @@ struct ts_eit *ts_eit_alloc_init(uint16_t service_id, uint16_t transport_stream_
 	return eit;
 }
 
+struct ts_eit *ts_eit_alloc_init(uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t table_id, uint8_t sec_number, uint8_t last_sec_number) {
+	struct ts_eit *eit = ts_eit_alloc();
+	if (!eit)
+		return NULL;
+
+	return ts_eit_init(eit, service_id, transport_stream_id, org_network_id, table_id, sec_number, last_sec_number);
+}
+
 struct ts_eit *ts_eit_alloc_init_pf(uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t sec_number, uint8_t last_sec_number) {
 	return ts_eit_alloc_init(service_id, transport_stream_id, org_network_id, 0x4e, sec_number, last_sec_number);
 }
diff --git a/nit_desc.c b/nit_desc.c
index e61a83c..3cb6936 100644
--- a/nit_desc.c
+++ b/nit_desc.c
@@ -22,9 +22,7 @@ static void ts_nit_regenerate_packet_data(struct ts_nit *nit) {
 	free(ts_packets);
 }
 
-struct ts_nit *ts_nit_alloc_init(uint16_t network_id) {
-	struct ts_nit *nit = ts_nit_alloc();
-
+struct ts_nit *ts_nit_init(struct ts_nit *nit, uint16_t network_id) {
 	nit->ts_header.pid            = 0x10;
 	nit->ts_header.pusi           = 1;
 	nit->ts_header.payload_field  = 1;
@@ -45,6 +43,8 @@ struct ts_nit *ts_nit_alloc_init(uint16_t network_id) {
 	nit->reserved2           = 0xf;
 	nit->ts_loop_size        = 0;		// 16 bits
 
+	nit->streams_num = 0;
+
 	nit->initialized = 1;
 
 	ts_nit_regenerate_packet_data(nit);
@@ -52,6 +52,13 @@ struct ts_nit *ts_nit_alloc_init(uint16_t network_id) {
 	return nit;
 }
 
+struct ts_nit *ts_nit_alloc_init(uint16_t network_id) {
+	struct ts_nit *nit = ts_nit_alloc();
+	if (!nit)
+		return NULL;
+	return ts_nit_init(nit, network_id);
+}
+
 int ts_nit_add_network_name_descriptor(struct ts_nit *nit, char *network_name) {
 	if (!network_name || strlen(network_name) > 255)
 		return 0;
diff --git a/pat_desc.c b/pat_desc.c
index 2f25d02..49f525e 100644
--- a/pat_desc.c
+++ b/pat_desc.c
@@ -22,9 +22,7 @@ static void ts_pat_regenerate_packet_data(struct ts_pat *pat) {
 	free(ts_packets);
 }
 
-struct ts_pat *ts_pat_alloc_init(uint16_t transport_stream_id) {
-	struct ts_pat *pat = ts_pat_alloc();
-
+struct ts_pat *ts_pat_init(struct ts_pat *pat, uint16_t transport_stream_id) {
 	pat->ts_header.pid            = 0x00;
 	pat->ts_header.pusi           = 1;
 	pat->ts_header.payload_field  = 1;
@@ -41,6 +39,8 @@ struct ts_pat *ts_pat_alloc_init(uint16_t transport_stream_id) {
 
 	pat->section_header->ts_id_number             = transport_stream_id;
 
+	pat->programs_num = 0;
+
 	pat->initialized = 1;
 
 	ts_pat_regenerate_packet_data(pat);
@@ -48,6 +48,13 @@ struct ts_pat *ts_pat_alloc_init(uint16_t transport_stream_id) {
 	return pat;
 }
 
+struct ts_pat *ts_pat_alloc_init(uint16_t transport_stream_id) {
+	struct ts_pat *pat = ts_pat_alloc();
+	if (!pat)
+		return NULL;
+	return ts_pat_init(pat, transport_stream_id);
+}
+
 int ts_pat_add_program(struct ts_pat *pat, uint16_t program, uint16_t pat_pid) {
 	int i;
 	if (pat->programs_max == pat->programs_num)
diff --git a/sdt_desc.c b/sdt_desc.c
index 20e89db..bf444ca 100644
--- a/sdt_desc.c
+++ b/sdt_desc.c
@@ -22,9 +22,7 @@ static void ts_sdt_regenerate_packet_data(struct ts_sdt *sdt) {
 	free(ts_packets);
 }
 
-struct ts_sdt *ts_sdt_alloc_init(uint16_t org_network_id, uint16_t transport_stream_id) {
-	struct ts_sdt *sdt = ts_sdt_alloc();
-
+struct ts_sdt *ts_sdt_init(struct ts_sdt *sdt, uint16_t org_network_id, uint16_t transport_stream_id) {
 	sdt->ts_header.pid            = 0x11;
 	sdt->ts_header.pusi           = 1;
 	sdt->ts_header.payload_field  = 1;
@@ -43,6 +41,8 @@ struct ts_sdt *ts_sdt_alloc_init(uint16_t org_network_id, uint16_t transport_str
 	sdt->original_network_id = org_network_id;	// 16 bits
 	sdt->reserved            = 0xff;			// 8 bits
 
+	sdt->streams_num = 0;
+
 	sdt->initialized = 1;
 
 	ts_sdt_regenerate_packet_data(sdt);
@@ -50,6 +50,13 @@ struct ts_sdt *ts_sdt_alloc_init(uint16_t org_network_id, uint16_t transport_str
 	return sdt;
 }
 
+struct ts_sdt *ts_sdt_alloc_init(uint16_t org_network_id, uint16_t transport_stream_id) {
+	struct ts_sdt *sdt = ts_sdt_alloc();
+	if (!sdt)
+		return NULL;
+	return ts_sdt_init(sdt, org_network_id, transport_stream_id);
+}
+
 static int ts_sdt_add_stream(struct ts_sdt *sdt, uint16_t service_id, uint8_t *desc, uint8_t desc_size) {
 	if (sdt->streams_num == sdt->streams_max - 1 || desc_size == 0) {
 		FREE(desc);
diff --git a/tdt_desc.c b/tdt_desc.c
index f381553..35e7a19 100644
--- a/tdt_desc.c
+++ b/tdt_desc.c
@@ -51,6 +51,14 @@ static struct ts_tdt *ts_tdt_init_empty(struct ts_tdt *tdt, time_t ts, int tot)
 	return tdt;
 }
 
+struct ts_tdt *ts_tdt_init(struct ts_tdt *tdt, time_t ts) {
+	return ts_tdt_init_empty(tdt, ts, 0);
+}
+
+struct ts_tdt *ts_tot_init(struct ts_tdt *tot, time_t ts) {
+	return ts_tdt_init_empty(tot, ts, 1);
+}
+
 struct ts_tdt *ts_tdt_alloc_init(time_t ts) {
 	return ts_tdt_init_empty(ts_tdt_alloc(), ts, 0);
 }
diff --git a/tsfuncs.h b/tsfuncs.h
index f8e099e..025cd98 100644
--- a/tsfuncs.h
+++ b/tsfuncs.h
@@ -137,6 +137,7 @@ void						ts_section_data_gen_ts_packets	(struct ts_header *ts_header, uint8_t *
 
 // PAT
 struct ts_pat *	ts_pat_alloc		(void);
+struct ts_pat * ts_pat_init			(struct ts_pat *pat, uint16_t transport_stream_id);
 struct ts_pat * ts_pat_alloc_init	(uint16_t transport_stream_id);
 struct ts_pat *	ts_pat_push_packet	(struct ts_pat *pat, uint8_t *ts_packet);
 void            ts_pat_clear		(struct ts_pat *pat);
@@ -177,7 +178,6 @@ int				ts_get_ecm_info_by_pid	(struct ts_pmt *pmt, uint16_t *caid, uint16_t ca_p
 
 // PMT
 struct ts_pmt *	ts_pmt_alloc		(void);
-struct ts_pmt * ts_pmt_alloc_init	(uint16_t org_network_id, uint16_t transport_stream_id);
 struct ts_pmt *	ts_pmt_push_packet	(struct ts_pmt *pmt, uint8_t *ts_packet);
 void            ts_pmt_clear		(struct ts_pmt *pmt);
 void            ts_pmt_free			(struct ts_pmt **pmt);
@@ -192,6 +192,7 @@ int				ts_pmt_is_same		(struct ts_pmt *pmt1, struct ts_pmt *pmt2);
 
 // NIT
 struct ts_nit * ts_nit_alloc		(void);
+struct ts_nit * ts_nit_init			(struct ts_nit *nit, uint16_t network_id);
 struct ts_nit * ts_nit_alloc_init	(uint16_t network_id);
 struct ts_nit *	ts_nit_push_packet	(struct ts_nit *nit, uint8_t *ts_packet);
 void			ts_nit_clear		(struct ts_nit *nit);
@@ -210,6 +211,7 @@ int				ts_nit_is_same		(struct ts_nit *nit1, struct ts_nit *nit2);
 
 // SDT
 struct ts_sdt *	ts_sdt_alloc		(void);
+struct ts_sdt * ts_sdt_init			(struct ts_sdt *sdt, uint16_t org_network_id, uint16_t transport_stream_id);
 struct ts_sdt * ts_sdt_alloc_init	(uint16_t org_network_id, uint16_t transport_stream_id);
 struct ts_sdt *	ts_sdt_push_packet	(struct ts_sdt *sdt, uint8_t *ts_packet);
 void            ts_sdt_clear		(struct ts_sdt *sdt);
@@ -225,6 +227,7 @@ int				ts_sdt_is_same		(struct ts_sdt *sdt1, struct ts_sdt *sdt2);
 
 // EIT
 struct ts_eit * ts_eit_alloc				(void);
+struct ts_eit *	ts_eit_init					(struct ts_eit *eit, uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t table_id, uint8_t sec_number, uint8_t last_sec_number);
 struct ts_eit *	ts_eit_alloc_init			(uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t table_id, uint8_t sec_number, uint8_t last_sec_number);
 struct ts_eit *	ts_eit_alloc_init_pf		(uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t sec_number, uint8_t last_sec_number);	// Shortcut using table_id 0x4e
 struct ts_eit *	ts_eit_alloc_init_schedule	(uint16_t service_id, uint16_t transport_stream_id, uint16_t org_network_id, uint8_t sec_number, uint8_t last_sec_number);	// Shortcut using table_id 0x50
@@ -247,6 +250,8 @@ int				ts_eit_is_same		(struct ts_eit *eit1, struct ts_eit *eit2);
 
 // TDT
 struct ts_tdt *	ts_tdt_alloc(void);
+struct ts_tdt *	ts_tdt_init			(struct ts_tdt *tdt, time_t ts);
+struct ts_tdt *	ts_tot_init			(struct ts_tdt *tot, time_t ts);
 struct ts_tdt *	ts_tdt_alloc_init	(time_t ts);
 struct ts_tdt *	ts_tot_alloc_init	(time_t ts);
 void			ts_tdt_clear		(struct ts_tdt *tdt);