Specify MUX for .mp3
As noticed in: http://forum.videolan.org/viewtopic.php?f=14&t=79461 Currently (VLC 1.1.0) there isn't any MUX extension for .mp3 and because of that MP3 conversion/saving fails with QT4 GUI. So adding one would be good thing.
main debug: using sout chain=`transcode{acodec=mp3,ab=128,channels=2,samplerate=44100}:file{dst='C:\softa\vlc-1.1.0\aaa.mp3'}'
main debug: stream=`file'
main debug: looking for sout stream module: 1 candidate
main debug: set config option: sout-standard-dst to C:\softa\vlc-1.1.0\aaa.mp3
stream_out_standard debug: creating `file/(null)://C:\softa\vlc-1.1.0\aaa.mp3'
stream_out_standard debug: extension is mp3
stream_out_standard debug: extension -> mux=(null)
stream_out_standard error: no mux specified or found by extension
main debug: no sout stream module matching "file" could be loaded
main debug: TIMER module_need() : 1.000 ms - Total 1.000 ms / 1 intvls (Avg 1.000 ms)
main debug: destroying chain... (name=(null))
main debug: destroying chain done
main error: stream chain failed for `transcode{acodec=mp3,ab=128,channels=2,samplerate=44100}:file{dst='C:\softa\vlc-1.1.0\aaa.mp3'}'
main debug: finished input
main error: cannot start stream output instance, aborting