lou <loushanguan2015@sina.com> writes: > i have 2 video files, they are of same format > > because they are both created by android's screen recorder > > and then resized with same ffmpeg command to reduce file size > > now i want to concatenate them with ffmpeg or mencoder > > how to specify options using either command? Thanks! ffmpeg -f concat -i mylist.txt -c copy output.mkv source: https://trac.ffmpeg.org/wiki/Concatenate