#! /bin/sh /usr/share/dpatch/dpatch-run
## 17_epg-conv-iso6937.dpatch by Thomas Günther <tom@toms-cafe.de>
## http://toms-cafe.de/vdr/download/vdr-epg-conv-iso6937-1.4.5.diff
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: Convert EPG of UPC Direct / HBO from iso6937 to iso8859-2.

@DPATCH@
--- vdr-1.4.5/epg.c
+++ vdr-1.4.5/epg.c
@@ -15,6 +15,28 @@
 #include <time.h>
 #include "libsi/si.h"
 #include "timers.h"
+#include <iconv.h>
+static void ConvertFromISO6937(char *text)
+{
+  // Convert text from iso6937 to iso8859-2 (only if text contains one of 0xC1..0xC8, 0xCA, 0xCB, 0xCD..0xCF)
+  if (!text || strcspn(text, "\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xCA\xCB\xCD\xCE\xCF") == strlen(text)) return;
+  char *buffer = strdup(text);
+  iconv_t ic = iconv_open("iso8859-2", "iso6937");
+  if (ic >= 0) {
+     char *in = text;
+     char *out = buffer;
+     size_t inbytesleft = strlen(text);
+     size_t outbytesleft = inbytesleft;
+     if (iconv(ic, &in, &inbytesleft, &out, &outbytesleft) != (size_t)(-1)) {
+        *out = 0;
+        strcpy(text, buffer);
+        }
+     else
+        dsyslog("Converting from iso6937 failed at: %s", in);
+     iconv_close(ic);
+     }
+  free(buffer);
+}
 
 #define RUNNINGSTATUSTIMEOUT 30 // seconds before the running status is considered unknown
 
@@ -641,6 +663,11 @@
   strreplace(shortText, '\x87', ' ');
   strreplace(description, '\x86', ' ');
   strreplace(description, '\x87', ' ');
+
+  // Check for iso6937 characters in EPG and convert them if possible
+  ConvertFromISO6937(title);
+  ConvertFromISO6937(shortText);
+  ConvertFromISO6937(description);
 }
 
 // --- cSchedule -------------------------------------------------------------