2以上オーバーレイする場合

"C:\msys\mingw\i686-w64-mingw32\bin\ffmpeg.exe" -rtbufsize 100MB -r 30 -s 640x360 -f dshow -i video="NDC(XP)":audio="ステレオ ミキサー (Realtek High Definit" -rtbufsize 100MB -f dshow -i video="AmaRec Video Capture" -threads 0 -r 30 -s 640x360 -sws_flags lanczos -pix_fmt yuv420p -filter_complex "[1:v]scale=512:288 [logo],[0:v][logo]overlay=main_w-overlay_w-128:0,unsharp=5:5:0.1,mp=eq=5" -maxrate 432k -bufsize 1008k -crf 23.0 -vcodec libx264 -preset slower -profile:v high -x264opts "8x8dct=1:aq-mode=2:aq-strength=1.00:b-adapt=2:b-bias=0:b-pyramid=normal:bframes=2:chroma-qp-offset=0:deblock=0,-1:direct=auto:ipratio=1.41:pbratio=1.25:keyint=300:me=umh:merange=16:min-keyint=1:mixed-refs=1:no-mbtree=0:no-dct-decimate=0:partitions= i8x8,i4x4,p8x8,b8x8:psy=1:psy-rd=0.0,0.0:qcomp=0.6:qpmax=51:qpmin=10:qpstep=4:ratetol=10:rc-lookahead=40:ref=6:scenecut=40:subme=9:trellis=2:weightb=1:weightp=2" -acodec libaacplus -ar 48000 -ab 48k -ac 2 -vol 256 -f flv ${RTMPTONICO}