The VideoLAN Forums

VLC 2.0.4 - streaming failed with message: VLC could not open the encoder.

:sout=#transcode{vcodec=mp2v,vb=2500,width=704,height=576,scale=1,fps=25,acodec=mp2a,ab=192,channels=2,soverlay,audio-sync}:std{access=http,mux=ts,dst=:9090/dboxstream}

where could be problem ?

change the Rate Control Buffer size in preferences.