macosx: don't overwrite existing files on stream-output (close #7752)

modules/gui/macosx/ConvertAndSave.m

@@ -902,7 +902,7 @@ static VLCConvertAndSave *_o_sharedInstance = nil;
         [composedOptions appendFormat:@"}:standard{mux=%@", [self.currentProfile objectAtIndex:0]];
 
         // add output destination
-        [composedOptions appendFormat:@",dst=%@,access=file}", _outputDestination];
+        [composedOptions appendFormat:@",access=file{no-overwrite},dst=%@}", _outputDestination];
     } else {
         /* streaming */
         if ([[[_stream_type_pop selectedItem] title] isEqualToString:@"RTP"])

modules/gui/macosx/output.m

 /*****************************************************************************
  * output.m: MacOS X Output Dialog
  *****************************************************************************
- * Copyright (C) 2002-2007 VLC authors and VideoLAN
+ * Copyright (C) 2002-2013 VLC authors and VideoLAN
  * $Id$
  *
  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
  *          Christophe Massiot <massiot@via.ecp.fr>
  *          Derk-Jan Hartman <thedj@users.sourceforge.net>
  *          Benjamin Pracht <bigben AT videolan DOT org>
+ *          Felix Paul Kühne <fkuehne -at- videolan -dot- org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -349,7 +350,7 @@
             [self setSoutMRL:o_sout_options];
             return;
         } else
-                [o_mrl_string appendFormat: @"std{access=file,mux=%@,dst=\"%@\"}", o_mux_string, [o_file_field stringValue]];
+                [o_mrl_string appendFormat: @"std{access=file{no-overwrite},mux=%@,dst=\"%@\"}", o_mux_string, [o_file_field stringValue]];
     }
     else if ([o_mode isEqualToString: _NS("Stream")]) {
         o_mode = [o_stream_type titleOfSelectedItem];

modules/gui/macosx/wizard.m

 /*****************************************************************************
  * wizard.m: MacOS X Streaming Wizard
  *****************************************************************************
- * Copyright (C) 2005-2012 VLC authors and VideoLAN
+ * Copyright (C) 2005-2013 VLC authors and VideoLAN
  * $Id$
  *
  * Authors: Felix Paul Khne <fkuehne at videolan dot org>,
@@ -1460,7 +1460,7 @@ static VLCWizard *_o_sharedInstance = nil;
         {
             /* we are just transcoding and dumping the stuff to a file */
             [o_opts_string appendFormat:
-                @":sout=#%@%@standard{mux=%@,dst=%@,access=file}",
+                @":sout=#%@%@standard{mux=%@,access=file{no-overwrite},dst=%@}",
                 o_duplicateCmd,
                 o_trnscdCmd,
                 [[o_encapFormats objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0],