macosx: fix a bunch of string memleaks in video effects panel code

modules/gui/macosx/StringUtility.h

@@ -32,6 +32,10 @@
  * the translated string. the translation should be '1:translatedstring' though */
 #define _ANS(s) [[[VLCStringUtility sharedInstance] localizedString: _(s)] substringFromIndex:2]
 
+#define B64DecNSStr(s) [[VLCStringUtility sharedInstance] b64Decode: s]
+#define B64EncAndFree(s) [[VLCStringUtility sharedInstance] b64EncodeAndFree: s]
+
+
 unsigned int CocoaKeyToVLC(unichar i_key);
 
 @interface VLCStringUtility : NSObject
@@ -46,4 +50,8 @@ unsigned int CocoaKeyToVLC(unichar i_key);
 - (NSString *)VLCKeyToString:(NSString *)theString;
 - (unsigned int)VLCModifiersToCocoa:(NSString *)theString;
 
+- (NSString *)b64Decode:(NSString *)string;
+
+- (NSString *)b64EncodeAndFree:(char *)psz_string;
+
 @end

modules/gui/macosx/StringUtility.m

@@ -26,6 +26,8 @@
 
 #import <vlc_input.h>
 #import <vlc_keys.h>
+#import <vlc_strings.h>
+
 #import "StringUtility.h"
 #import "intf.h"
 
@@ -322,4 +324,30 @@ unsigned int CocoaKeyToVLC(unichar i_key)
     return theString;
 }
 
+- (NSString *)b64Decode:(NSString *)string
+{
+    char *psz_decoded_string = vlc_b64_decode([string UTF8String]);
+    if(!psz_decoded_string)
+        return @"";
+
+    NSString *returnStr = [NSString stringWithFormat:@"%s", psz_decoded_string];
+    free(psz_decoded_string);
+
+    return returnStr;
+}
+
+- (NSString *)b64EncodeAndFree:(char *)psz_string
+{
+    char *psz_encoded_string = vlc_b64_encode(psz_string);
+    free(psz_string);
+    if(!psz_encoded_string)
+        return @"";
+
+    NSString *returnStr = [NSString stringWithFormat:@"%s", psz_encoded_string];
+    free(psz_encoded_string);
+
+    return returnStr;
+}
+
+
 @end

modules/gui/macosx/VideoEffects.h

@@ -154,7 +154,7 @@
 - (void)setVideoFilter: (char *)psz_name on:(BOOL)b_on;
 - (void)setVideoFilterProperty: (char *)psz_name forFilter: (char*)psz_filter integer: (int)i_value;
 - (void)setVideoFilterProperty: (char *)psz_name forFilter: (char*)psz_filter float: (float)f_value;
-- (void)setVideoFilterProperty: (char *)psz_name forFilter: (char *)psz_filter string: (char *)psz_value;
+- (void)setVideoFilterProperty: (char *)psz_name forFilter: (char *)psz_filter string: (const char *)psz_value;
 - (void)setVideoFilterProperty: (char *)psz_name forFilter: (char *)psz_filter boolean: (BOOL)b_value;
 
 - (void)saveCurrentProfile;