Thread: [Redbutton-devel] SF.net SVN: redbutton: [275] redbutton-browser/trunk (Page 4)

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Revision: 275
          http://svn.sourceforge.net/redbutton/?rev=275&view=rev
Author:   skilvington
Date:     2007-04-03 07:14:42 -0700 (Tue, 03 Apr 2007)

Log Message:
-----------
SI_GetBasicSI resident programme

Modified Paths:
--------------
    redbutton-browser/trunk/ResidentProgramClass.c
    redbutton-browser/trunk/si.c
    redbutton-browser/trunk/si.h

Modified: redbutton-browser/trunk/ResidentProgramClass.c
===================================================================

--- redbutton-browser/trunk/ResidentProgramClass.c	2007-04-03 13:10:45 UTC (rev 274)
+++ redbutton-browser/trunk/ResidentProgramClass.c	2007-04-03 14:14:42 UTC (rev 275)
@@ -991,6 +991,17 @@
 bool
 prog_SI_GetBasicSI(LIST_OF(Parameter) *params, OctetString *caller_gid)
 {
+	GenericInteger *serviceIndex_par;
+	GenericInteger *networkId_par;
+	GenericInteger *origNetworkId_par;
+	GenericInteger *transportStreamId_par;
+	GenericInteger *serviceId_par;
+	int si;
+	OctetString *url;
+	unsigned int network_id;
+	unsigned int transport_id;
+	unsigned int service_id;
+
 	if(!check_parameters(params, 5, Parameter_new_generic_integer,	/* in: serviceIndex */
 					Parameter_new_generic_integer,	/* out: networkId */
 					Parameter_new_generic_integer,	/* out: origNetworkId */
@@ -1000,8 +1011,28 @@
 		error("ResidentProgram: SI_GetBasicSI (BSI): wrong number or type of parameters");
 		return false;
 	}
-/* TODO */
-printf("TODO: program BSI SI_GetBasicSI\n");
+
+	serviceIndex_par = &(get_parameter(params, 1)->u.new_generic_integer);
+	networkId_par = &(get_parameter(params, 2)->u.new_generic_integer);
+	origNetworkId_par = &(get_parameter(params, 3)->u.new_generic_integer);
+	transportStreamId_par = &(get_parameter(params, 4)->u.new_generic_integer);
+	serviceId_par = &(get_parameter(params, 5)->u.new_generic_integer);
+
+	si = GenericInteger_getInteger(serviceIndex_par, caller_gid);
+	url = si_get_url(si);
+
+	network_id = si_get_network_id(url);
+	transport_id = si_get_transport_id(url);
+	service_id = si_get_service_id(url);
+
+	/* not sure what the difference between the Network ID and the Original Network ID is */
+	GenericInteger_setInteger(networkId_par, caller_gid, network_id);
+	GenericInteger_setInteger(origNetworkId_par, caller_gid, network_id);
+	GenericInteger_setInteger(transportStreamId_par, caller_gid, transport_id);
+	GenericInteger_setInteger(serviceId_par, caller_gid, service_id);
+
+	verbose("ResidentProgram: SI_GetBasicSI(%u, %u, %u, %u, %u)", si, network_id, network_id, transport_id, service_id);
+
 	return true;
 }
 

Modified: redbutton-browser/trunk/si.c
===================================================================
--- redbutton-browser/trunk/si.c	2007-04-03 13:10:45 UTC (rev 274)
+++ redbutton-browser/trunk/si.c	2007-04-03 14:14:42 UTC (rev 275)
@@ -22,6 +22,12 @@
 		if(OctetString_cmp(ref, &si_channel[i]) == 0)
 			return i;
 
+/* TODO */
+/* convert rec://svc/{def,cur,lcn/X} to dvb://network.transport.service */
+/* even if we don't have a backend! */
+if(ref->size < 6 || strncmp(ref->data, "dvb://", 6) != 0)
+printf("TODO: si_get_index '%.*s' is not in 'dvb://' format\n", ref->size, ref->data);
+
 	/* add it to the list */
 	si_max_index ++;
 	si_channel = safe_realloc(si_channel, (si_max_index + 1) * sizeof(OctetString));
@@ -30,6 +36,18 @@
 	return si_max_index;
 }
 
+OctetString *
+si_get_url(int index)
+{
+	if(index > si_max_index)
+	{
+		error("SI_GetURL: invalid service index (%d); max is %d", index, si_max_index);
+		return NULL;
+	}
+
+	return &si_channel[index];
+}
+
 bool
 si_tune_index(int index)
 {
@@ -44,12 +62,72 @@
 	return true;
 }
 
+/*
+ * URL format is:
+ * dvb://original_network_id.[transport_id].service_id
+ * each id is a hex value without any preceeding 0x etc
+ */
+
 unsigned int
+si_get_network_id(OctetString *ref)
+{
+	unsigned int pos;
+	unsigned int id;
+
+	if(ref == NULL || ref->size < 6 || strncmp(ref->data, "dvb://", 6) != 0)
+		return 0;
+
+	/* read upto the first . or end of string */
+	id = 0;
+	pos = 6;
+	while(pos < ref->size && isxdigit(ref->data[pos]))
+	{
+		id <<= 4;
+		id += char2hex(ref->data[pos]);
+		pos ++;
+	}
+
+	return id;
+}
+
+unsigned int
+si_get_transport_id(OctetString *ref)
+{
+	unsigned int pos;
+	unsigned int id;
+
+	if(ref == NULL || ref->size < 6 || strncmp(ref->data, "dvb://", 6) != 0)
+		return 0;
+
+	/* find the first . or end of string */
+	pos = 6;
+	while(pos < ref->size && ref->data[pos] != '.')
+		pos ++;
+
+	/* skip the . */
+	pos ++;
+
+	/* read the value */
+	id = 0;
+	while(pos < ref->size && isxdigit(ref->data[pos]))
+	{
+		id <<= 4;
+		id += char2hex(ref->data[pos]);
+		pos ++;
+	}
+
+	return id;
+}
+
+unsigned int
 si_get_service_id(OctetString *ref)
 {
 	unsigned int len;
 	unsigned int id;
 
+	if(ref == NULL || ref->size < 6 || strncmp(ref->data, "dvb://", 6) != 0)
+		return 0;
+
 	len = ref->size;
 	while(len > 0 && isxdigit(ref->data[len - 1]))
 		len --;

Modified: redbutton-browser/trunk/si.h
===================================================================
--- redbutton-browser/trunk/si.h	2007-04-03 13:10:45 UTC (rev 274)
+++ redbutton-browser/trunk/si.h	2007-04-03 14:14:42 UTC (rev 275)
@@ -8,8 +8,12 @@
 #include "der_decode.h"
 
 int si_get_index(OctetString *);
+OctetString *si_get_url(int);
+
 bool si_tune_index(int);
 
+unsigned int si_get_network_id(OctetString *);
+unsigned int si_get_transport_id(OctetString *);
 unsigned int si_get_service_id(OctetString *);
 
 void si_free(void);


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Thread: [Redbutton-devel] SF.net SVN: redbutton: [275] redbutton-browser/trunk (Page 4)

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