Add support for Latin National Option Sub-Sets

Modified Otvos Attila's patch oattila at chello dot hu



git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24204 b3059339-0415-0410-9bf9-f77b7e298cf2

stream/tvi_vbi.c

@@ -229,6 +229,38 @@ static unsigned int lang_chars[LANGS][0x60]={
  }
 };
 
+/**
+ * Latin National Option Sub-Sets
+ * see Table 36 of ETS specification for details.
+ *
+ * 00:  £ $ @ « ½ » ¬ # ­ ¼ ¦ ¾ ÷  English
+ * 01:  é ï à ë ê ù î # è â ô û ç  French
+ * 02:  # ¤ É Ä Ö Å Ü _ é ä ö å ü  Swedish/Finnish/Hungarian
+ * 03:  # u c t z ý í r é á e ú s  Czech/Slovak
+ * 04:  # $ § Ä Ö Ü ^ _ ° ä ö ü ß  German
+ * 05:  ç $ ¡ á é í ó ú ¿ ü ñ è à  Portuguese/Spanish
+ * 06:  £ $ é ° ç » ¬ # ù à ò è ì  Italian
+ *
+ */
+static unsigned int latin_subchars[8][13]={
+  // English
+  {0xa3,0x24,0x40,0xab,0xbd,0xbb,0xac,0x23,0xad,0xbc,0xa6,0xbe,0xf7},
+  // French
+  {0xe9,0xef,0xe0,0xeb,0xea,0xf9,0xee,0x23,0xe8,0xe2,0xf4,0xfb,0xe7},
+  // Swedish/Finnish/Hungarian
+  {0x23,0xa4,0xc9,0xc4,0xd6,0xc5,0xdc,0x5f,0xe9,0xe4,0xf6,0xe5,0xfc},
+  // Czech/Slovak
+  {0x23,0x75,0x63,0x74,0x7a,0xfd,0xed,0x72,0xe9,0xe1,0x65,0xfa,0x73},
+  // German
+  {0x23,0x24,0xa7,0xc4,0xd6,0xdc,0x5e,0x5f,0xb0,0xe4,0xf6,0xfc,0xdf},
+  // Portuguese/Spanish
+  {0xe7,0x24,0xa1,0xe1,0xe9,0xed,0xf3,0xfa,0xbf,0xfc,0xf1,0xe8,0xe0},
+  // Italian
+  {0xa3,0x24,0xe9,0xb0,0xe7,0xbb,0xac,0x23,0xf9,0xe0,0xf2,0xe8,0xec},
+  // Reserved
+  {0x23,0x24,0x40,0x5b,0x5c,0x5d,0x5e,0x5f,0x60,0x7b,0x7c,0x7d,0x7e}
+};
+
 static int lang2id (int lang){
   switch(lang){
   case 0:
@@ -255,8 +287,20 @@ static int lang2id (int lang){
  */
 static unsigned int conv2uni(unsigned int p,int lang)
 {
+    int charset=lang2id(lang);
     if(p<0x80 && p>=0x20){
-        return lang_chars[lang][p-0x20];
+        if(charset==LAT_UNI){
+            if (p>=0x23 && p<=0x24){
+                return latin_subchars[lang][p-0x23];
+            }else if (p==0x40){
+                return latin_subchars[lang][2];
+            }else if (p>=0x5b && p<=0x60){
+                return latin_subchars[lang][p-0x5c+3];
+            }else if (p>=0x7b && p<=0x7e){
+                return latin_subchars[lang][p-0x7b+9];
+	    }
+	}
+        return lang_chars[charset][p-0x20];
     }else
         return 0x20;
 }
@@ -517,7 +561,7 @@ static void decode_page(tt_char* p,int lang,unsigned char* raw)
                 p[i].unicode=c-0x20;
                 if (p[i].unicode>0x3f) p[i].unicode-=0x20;
             }else
-                p[i].unicode=conv2uni(c,lang2id(p[i].lng));
+                p[i].unicode=conv2uni(c,p[i].lng);
 
             p[i].fg=fg_color;
             p[i].bg=bg_color;