I am trying to convert asf format: ffmpeg -i test.avi -vcodec "msmpeg4" -b "1200k" -acodec "mp3" -ab "128k" -ar "48000" -ac "2 (stereo)" -y test.asfthe log :msmpeg4 @ 0x85afb34]warning, clipping 1 dct coefficients to -127..127 the output file test.asf cannot play with windows media,someone know the reason,help!