dvb/si: Add support for descriptor 0x57 (Telephone descriptor).

README

@@ -120,6 +120,7 @@ Supported DVB descriptors
  * Descriptor 0x54: Content descriptor
  * Descriptor 0x55: Parental rating descriptor
  * Descriptor 0x56: Teletext descriptor
+ * Descriptor 0x57: Telephone descriptor
  * Descriptor 0x58: Local time offset descriptor
  * Descriptor 0x59: Subtitling descriptor
  * Descriptor 0x5a: Terrestrial delivery system descriptor

TODO

@@ -14,7 +14,6 @@ so if you like something just do it and send a patch.
   - Descriptor 0x6a: AC-3 descriptor
 
 - Add support (parser, generator, example) for these DVB descriptors:
-  - Descriptor 0x57: telephone_descriptor
   - Descriptor 0x5b: multilingual_network_name_descriptor
   - Descriptor 0x5c: multilingual_bouquet_name_descriptor
   - Descriptor 0x5d: multilingual_service_name_descriptor

dvb/si/descs_list.h

@@ -57,6 +57,7 @@
 #include <bitstream/dvb/si/desc_54.h>
 #include <bitstream/dvb/si/desc_55.h>
 #include <bitstream/dvb/si/desc_56.h>
+#include <bitstream/dvb/si/desc_57.h>
 #include <bitstream/dvb/si/desc_58.h>
 #include <bitstream/dvb/si/desc_59.h>
 #include <bitstream/dvb/si/desc_5a.h>

examples/dvb_gen_si.c

@@ -790,7 +790,27 @@ static void build_desc56(uint8_t *desc) {
     build_desc46(desc);
     desc56_init(desc);
 }
-/* ---  Descriptor 0x57: telephone_descriptor */
+
+/* DVB  Descriptor 0x57: telephone_descriptor */
+static void build_desc57(uint8_t *desc) {
+    char *country_prefix = "+";
+    char *international_area_code = "359";
+    char *operator_code = "2";
+    char *national_area_code = "";
+    char *core_number = "9868620";
+
+    desc57_init(desc);
+
+    desc57_set_foreign_availability(desc, true);
+    desc57_set_connection_type(desc, 3);
+
+    desc57_set_country_prefix(desc, country_prefix, strlen(country_prefix));
+    desc57_set_international_area_code(desc, international_area_code, strlen(international_area_code));
+    desc57_set_operator_code(desc, operator_code, strlen(operator_code));
+    desc57_set_national_area_code(desc, national_area_code, strlen(national_area_code));
+    desc57_set_core_number(desc, core_number, strlen(core_number));
+    desc57_set_length(desc);
+}
 
 /* DVB  Descriptor 0x58: Local time offset descriptor */
 static void build_desc58(uint8_t *desc) {
@@ -1388,6 +1408,9 @@ static void generate_sdt(void) {
             desc = descs_get_desc(desc_loop, desc_counter++);
             build_desc51(desc);
 
+            desc = descs_get_desc(desc_loop, desc_counter++);
+            build_desc57(desc);
+
             desc = descs_get_desc(desc_loop, desc_counter++);
             build_desc5f(desc);
 

mpeg/psi/descs_print.h

@@ -152,6 +152,7 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length,
         CASE_DESC(54)
         CASE_DESC(55)
         CASE_DESC(56)
+        CASE_DESC(57)
         CASE_DESC(58)
         CASE_DESC(59)
         CASE_DESC(5a)