Really helpful, it permit me to test all options in order to stream, indeed only CBR can do it properly without too many bitrate variation but at low bitrate (4Mb/s) the quality is not enough comparatively to x264 implementation. Especially with sharpen scene. Just for recording LA ICQ is the best (tested with Intel hd 4600 - i54670k) even at high bitrate (50Mb/s), no perdition and no freeze.