result = p_sys->p_input->StartStreams();
if( result != S_OK )
{
- msg_Err( p_demux, "Failed to start streams" );
+ msg_Err( p_demux, "Could not start streaming from SDI card. This could be caused "
+ "by invalid video mode or flags, access denied, or card already in use." );
ret = VLC_EGENERIC;
goto finish;
}