vpx: add choice list for option

modules/codec/vpx.c

@@ -52,10 +52,12 @@ static void CloseEncoder(encoder_t *);
 static block_t *Encode(encoder_t *p_enc, picture_t *p_pict);
 
 #define QUALITY_MODE_TEXT N_("Quality mode")
-#define QUALITY_MODE_LONGTEXT N_("Quality setting which will determine max encoding time\n" \
-        " - 0: Good quality\n"\
-        " - 1: Realtime\n"\
-        " - 2: Best quality")
+#define QUALITY_MODE_LONGTEXT N_("Quality setting which will determine max encoding time.")
+
+static const int quality_values[] = { 0, 1, 2 };
+static const char* const quality_desc[] = {
+    N_("Good"), N_("Realtime"), N_("Best"),
+};
 #endif
 
 /*****************************************************************************
@@ -78,6 +80,7 @@ vlc_module_begin ()
     add_integer( ENC_CFG_PREFIX "quality-mode", VPX_DL_GOOD_QUALITY, QUALITY_MODE_TEXT,
                  QUALITY_MODE_LONGTEXT )
         change_integer_range( 0, 2 )
+        change_integer_list( quality_values, quality_desc );
 #endif
 vlc_module_end ()