/usr/bin/ffmpeg -threads 12 -loglevel error -nostdin -progress pipe:1 -i /home/quantick/projects/effects/storage/app/public/video.mp4 -i /home/quantick/Videos/test2/vert.mp4 -i /home/quantick/Videos/test2/vert.mp4 -i /home/quantick/Videos/test2/vert.mp4 -filter_complex [0:v]null[video0];[0:a]anull[audio0];[1:v]null[video1];[1:a]anull[audio1];[2:v]null[video2];[2:a]anull[audio2];[3:v]null[video3];[3:a]anull[audio3];[video0]split[video0][video0-2];[video0]scale=w=1280:h=720,boxblur=luma_radius=min(h\,w)/20:luma_power=1:chroma_radius=min(cw\,ch)/20:chroma_power=1,setsar=1[video0];[video0-2]scale=w=min(iw*720/ih\,1280):h=min(720\,ih*1280/iw):force_original_aspect_ratio=increase,setsar=1[video0-2];[video0][video0-2]overlay=x=(W-w)/2:y=(H-h)/2[video0];[video1]split[video1][video1-2];[video1]scale=w=1280:h=720,boxblur=luma_radius=min(h\,w)/20:luma_power=1:chroma_radius=min(cw\,ch)/20:chroma_power=1,setsar=1[video1];[video1-2]scale=w=min(iw*720/ih\,1280):h=min(720\,ih*1280/iw):force_original_aspect_ratio=increase,setsar=1[video1-2];[video1][video1-2]overlay=x=(W-w)/2:y=(H-h)/2[video1];[video2]split[video2][video2-2];[video2]scale=w=1280:h=720,boxblur=luma_radius=min(h\,w)/20:luma_power=1:chroma_radius=min(cw\,ch)/20:chroma_power=1,setsar=1[video2];[video2-2]scale=w=min(iw*720/ih\,1280):h=min(720\,ih*1280/iw):force_original_aspect_ratio=increase,setsar=1[video2-2];[video2][video2-2]overlay=x=(W-w)/2:y=(H-h)/2[video2];[video3]split[video3][video3-2];[video3]scale=w=1280:h=720,boxblur=luma_radius=min(h\,w)/20:luma_power=1:chroma_radius=min(cw\,ch)/20:chroma_power=1,setsar=1[video3];[video3-2]scale=w=min(iw*720/ih\,1280):h=min(720\,ih*1280/iw):force_original_aspect_ratio=increase,setsar=1[video3-2];[video3][video3-2]overlay=x=(W-w)/2:y=(H-h)/2[video3];[video0][audio0][video1][audio1][video2][audio2][video3][audio3]concat=4:v=1:a=1[v][a] -map [v] -map [a] -c:v h264_nvenc -gpu 0 -pix_fmt yuv420p -movflags faststart -fflags +genpts -b:v 10000k -f mp4 -c:a aac -aspect 16:9 -y result264.mp4